OSDN Git Service

PR driver/31694
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-05-07  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
2
3         PR driver/31694
4         * c-opts.c (lang_fortran): Make it non static.
5         * c-common.h (lang_fortran): New prototype.
6         * c-cppbuiltin.c (c_cpp_builtins): Create a __GFORTRAN__ if the
7         -lang-fortran option was passed by the driver.
8
9 2007-05-06  Eric Botcazou  <ebotcazou@adacore.com>
10
11         * timevar.c (timevar_print): Test ENABLE_ASSERT_CHECKING instead
12         of ASSERT_CHECKING.  Tweak message.
13
14 2007-05-06  Revital Eres  <eres@il.ibm.com>
15
16         PR 30957
17         * loop-unroll.c (insert_var_expansion_initialization):
18         Initialize the expansions with -zero instead of +zero.
19
20 2007-05-05  Aurelien Jarno  <aurelien@aurel32.net>
21
22         * config/pa/pa.md: Split tgd_load, tld_load and tie_load
23         into pic and non-pic versions. Mark r19 as used for 
24         tgd_load_pic, tld_load_pic and tie_load_pic. Mark r27 as used 
25         for tgd_load, tld_load and tie_load .
26         * config/pa/pa.c (legitimize_tls_address): Emit pic or non-pic
27         version of tgd_load, tld_load and tie_load depending on the 
28         value of flag_pic.
29
30 2007-05-04  Ulrich Drepper  <drepper@redhat.com>
31             Jakub Jelinek  <jakub@redhat.com>
32
33         * crtstuff.c (HIDDEN_DTOR_LIST_END): New macro.
34         (__do_global_dtors_aux): Use more paranoid loop to run
35         destructors if HIDDEN_DTOR_LIST_END.
36         (__DTOR_END__): Export as a hidden symbol when HIDDEN_DTOR_LIST_END.
37
38 2007-05-04  Jakub Jelinek  <jakub@redhat.com>
39
40         * varasm.c (align_variable): Don't increase alignment for
41         DECL_THREAD_LOCAL_P variables above BITS_PER_WORD through
42         DATA_ALIGNMENT or CONSTANT_ALIGNMENT.
43
44 2007-05-04  Josh Conner  <jconner@apple.com>
45
46         * basic-block.h (cdi_direction): Assign values to all enumeration
47         constants.
48         (dom_computed): Remove.
49         (dom_info_state): New.
50         (set_dom_info_availability): New.
51         * tree-ssa-loop-im.c (determine_invariantness): Initialize
52         walk_data.dom_direction.
53         * cfghooks.c (delete_basic_block): Use dom_info_available_p()
54         instead of dom_computed[].
55         (split_edge): Likewise.
56         (create_basic_block): Likewise.
57         (merge_blocks): Likewise.
58         * ifcvt.c (find_if_header): Likewise.
59         * tree-cfgcleanup.c (cleanup_tree_cfg): Likewise.
60         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
61         * tree-ssa.c (verify_ssa): Likewise.
62         * tree-cfg.c (tree_verify_flow_info): Likewise.
63         (remove_edge_and_dominated_blocks): Likewise.
64         * dominance.c (dom_computed): Make static.
65         (calc_dfs_tree_nonrec): Change third param to a bool.
66         (calc_dfs_tree): Change second param to a bool.
67         (calc_idioms): Change second param to a bool.  Use
68         dom_convert_dir_to_idx.
69         (init_dom_info): Validate dir before using.
70         (dom_convert_dir_to_idx): New.
71         (calculate_dominance_info): Use dom_convert_dir_to_idx.  New
72         variable 'reverse' used for calling calc_dfs_tree and calc_idoms.
73         (free_dominance_info): Use dom_convert_dir_to_idx.
74         (get_immediate_dominator): Likewise.
75         (set_immediate_dominator): Likewise.
76         (get_dominated_by): Likewise.
77         (redirect_immediate_dominators): Likewise.
78         (nearest_common_denominator): Likewise.
79         (dominated_by_p): Likewise.
80         (bb_dom_dfs_in): Likewise.
81         (bb_dom_dfs_out): Likewise.
82         (recount_dominator): Likewise.
83         (iterate_fix_dominators): Likewise.
84         (add_to_dominance_info): Likewise.
85         (delete_from_dominance_info): Likewise.
86         (first_dom_son): Likewise.
87         (next_dom_son): Likewise.
88         (dom_info_available_p): Likewise.
89         (dom_info_state): New.
90         (set_dom_info_availability): New.
91
92 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
93
94         * config/s390/s390.md ("fix_trunc<mode>di2", "fix_trunc<mode>si2"):
95         Expander removed.
96         ("fix_trunc<DSF:mode><GPR:mode>2"): Expander added.
97
98 2007-05-04  Bob Wilson  <bob.wilson@acm.org>
99         
100         * config/xtensa/xtensa.md (adddi3, adddi_carry): Delete.
101         (subdi3, subdi_carry): Delete.
102         
103 2007-05-04  Jan Hubicka  <jh@suse.cz>
104             Richard Guenther  <rguenther@suse.de>
105
106         * opts.c (decode_options): Do not fiddle with inlining
107         parameters in case of optimizing for size.
108         * ipa-inline.c (cgraph_decide_recursive_inlining): When optimizing
109         for size do nothing.
110         (cgraph_decide_inlining_of_small_function): When optimizing for
111         size never inline functions increasing caller size.
112         (cgraph_early_inlining): Inline for size when optimizing for size.
113
114 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
115
116         * config/bfin/bfin.md (<optab>di3): Now a define_expand which expands
117         logical operations piecewise.
118         (<optab>di_zesidi_di, <optab>di_sesidi_di, negdi2, one_cmpldi2,
119         zero_extendsidi2, subdi_di_zesidi, subdi_zesidi_di, subdi_di_sesidi,
120         subdi_sesidi_di): Delete.
121         (add_with_carry): Produce carry in CC instead of a DREG to shorten
122         the generated sequence.  Allow three-reg add in constraints.  Rewrite
123         the rtl expression for carry to avoid zero_extend of a constant.
124         (sub_with_carry): New pattern.
125         (adddi3, subdi3): Change into define_expand.  For subtract, generate a
126         different sequence not involving jumps.
127         (notbi): Now a named pattern.
128
129 2007-05-04  Bradley Lucier  <lucier@math.purdue.edu>
130
131         * doc/invoke.texi (i386 and x86-64 Options) [-mpc32, -mpc64, -mpc80]:
132         Add the note about a significant loss of accuracy of some
133         mathematical routines when these options are used.
134
135 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
136
137         * haifa-sched.c (rtx_vec_t): New typedef.
138         (contributes_to_priority_p): Extract piece of priority () into new
139         static function.
140         (priority): Use the function.  Add assertion.
141         (rank_for_schedule, set_priorities): Add assertion to check that
142         insn's priority is initialized.
143         (clear_priorities, calc_priorities): Change signature.  Make it update
144         all relevant insns.  Update all callers ('add_to_speculative_block ()'
145         and 'create_block_check_twin ()').
146         * sched-int.h (struct haifa_insn_data): Remove field 'priority_known'.
147         Add new field 'priority_status'.
148         (INSN_PRIORITY_STATUS): New macro.
149         (INSN_PRIORITY_KNOWN): Change to use INSN_PRIORITY_STATUS.
150
151 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
152
153         * sched-ebb.c (debug_ebb_dependencies): New static function.
154         (init_ready_list): Use it.
155
156         * sched-rgn.c (debug_dependencies): Split into 'debug_dependencies ()'
157         with changed signature and 'debug_rgn_dependencies ()'.
158         (debug_rgn_dependencies): New static function.
159         (init_ready_list): Use it.
160         
161         * sched-int.h (debug_dependencies): Declare.
162
163 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
164
165         * libgcc-std.ver (__ffssi2): Added to GCC_4.3.0 section.
166
167 2007-05-04  Dirk Mueller  <dmueller@suse.de>
168
169         * c.opt(Wmain,ffreestanding): Enable for C++,ObjC++.
170
171 2007-05-03  Jan Hubicka  <jh@suse.cz>
172
173         * fold-const.c (fold_unary): Convert (T1)(X op Y) into ((T1)X op (T1)Y),
174         for pointer type in more cases than before.
175
176         * gimplify.c (gimplify_expr): Fold (void *)&a + 4.
177
178         * tree-object-size.c (plus_expr_object_size): When operand size is
179         unknown, return unknown.
180
181 2007-05-03  Dirk Mueller  <dmueller@suse.de>
182
183         * doc/invoke.texi (-m386,-m486,-mpentium,-mpentiumpro): Remove.
184
185         * config/i386/i386.h (CC1_CPU_SPEC): Remove handling for deprecated
186         options.
187
188         * config/i386/i386.opt (m386,m486,mpentium,mpentiumpro): Remove.
189
190 2007-05-03  Janis Johnson  <janis187@us.ibm.com>
191
192         * doc/sourcebuild.texi (Test Directives) Clarify dg-excess-errors.
193
194 2007-05-03  Joseph Myers  <joseph@codesourcery.com>
195
196         * config/soft-fp/double.h, config/soft-fp/extended.h,
197         config/soft-fp/floatundidf.c, config/soft-fp/floatundisf.c,
198         config/soft-fp/floatunsidf.c, config/soft-fp/floatunsisf.c,
199         config/soft-fp/op-2.h, config/soft-fp/op-4.h,
200         config/soft-fp/op-common.h, config/soft-fp/quad.h: Update from
201         glibc CVS.
202
203 2007-05-03  Ian Lance Taylor  <iant@google.com>
204
205         * config/rs6000/rs6000.c (rs6000_override_options): Don't set
206         MASK_PPC_GFXOPT for 8540 or 8548.
207
208 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
209
210         * tree-vect-transform.c (vect_update_inits_of_drs): Use
211         vect_print_dump_info() to output debug information.
212
213 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
214
215         PR target/31768
216         * config/i386/i386.c (print_operand) ['z']: Output 'w' for
217         operands of size 2 when operand is not MEM_P.
218
219 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
220
221         PR tree-optimization/30565
222         * lambda-code.c (perfect_nestify): Fix updating of dominators.
223
224 2007-05-03  Bernd Schmidt  <bernd.schmidt@analog.com>
225
226         * config/bfin/bfin.md (addpdi3, us_truncpdisi2): New patterns.
227         (umulsi3_highpart): Use them.
228         * config/bfin/lib1funcs.asm (__umulsi3_highpart): Use unsigned move
229         for final accumulator to D regisster tranfser.
230
231 2007-05-03  Dorit Nuzman  <dorit@il.ibm.com>
232
233         PR tree-optimization/31699
234         * tree-vect-analyze.c (vect_update_misalignment_for_peel): Remove wrong
235         code.
236         (vect_enhance_data_refs_alignment): Compute peel amount using 
237         TYPE_VECTOR_SUBPARTS instead of vf.     
238         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Likewise.
239
240 2007-05-02  Brooks Moses  <brooks.moses@codesourcery.com>
241
242         PR bootstrap/31776
243         * system.h: Remove inclusion of double-int.h
244         * tree.h: Include double-int.h
245         * gengtype.c: Likewise
246         * cfgloop.h: Likewise
247         * Makefile.in: Adjust dependencies on double-int.h
248
249 2007-05-02  Eric Christopher  <echristo@apple.com>
250
251         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Translate
252         -shared to -Zdynamiclib.
253
254 2007-05-02  Seongbae Park  <seongbae.park@gmail.com>
255
256         PR c++/31663
257         * c-common.c (strip_pointer_or_array_types): New function.
258         * c-common.h (strip_pointer_or_array_types): New function declaration.
259
260 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
261
262         PR tree-optimization/31771
263         * tree-cfg.c (move_block_to_fn): Assign bb to the correct index.
264
265 2007-05-02  Paul Brook  <paul@codesourcery.com>
266
267         * config/arm/bpabi.S (aeabi_lcmp): Fix result on overflow.
268
269 2007-05-02  Andrew Pinski  <andrew_pinski@playstation.sony.com>
270
271         PR middle-end/29715
272         * fold-const.c (fold_comparision): Remove the "foo++ == CONST"
273         transformation.
274
275 2007-05-02  Nick Clifton  <nickc@redhat.com>
276
277         * config/frv/predicates.md (symbolic_operand): Accept CONSTs.
278
279 2007-05-02  Richard Guenther  <rguenther@suse.de>
280
281         PR tree-optimization/31146
282         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
283         argument, single_use_p.  If we have a single use that is
284         a conversion to the definition rhs type, propagate that rhs.
285         (forward_propagate_addr_expr): Pass single_use_p argument
286         to forward_propagate_addr_expr_1.
287
288 2007-05-01  H.J. Lu  <hongjiu.lu@intel.com>
289
290         * config/i386/i386.c (ix86_expand_sse_comi): Remove unused
291         variable.
292
293 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
294
295         * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of
296         'AMD Family 10 core'.
297
298 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
299
300         * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3
301         and athlon64-sse3 as improved versions of k8, opteron and athlon64
302         with SSE3 instruction set support.
303         * doc/invoke.texi: Likewise.
304
305 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
306
307         * config/i386/i386.c (override_options): Tuning 32-byte loop
308         alignment for amdfam10 architecture. Increasing the max loop
309         alignment to 24 bytes.
310
311 2007-05-01  Kazu Hirata  <kazu@codesourcery.com>
312
313         * config/m68k/constraints.md: New.
314         * config/m68k/m68k.h (REG_CLASS_FROM_LETTER,
315         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
316         EXTRA_CONSTRAINT): Remove.
317         * config/m68k/m68k.md: Include constraints.md.
318         * expr.c (expand_expr_real_1): Copy DECL_RTL before using it.
319
320 2007-05-01  Ian Lance Taylor  <iant@google.com>
321
322         PR tree-optimization/31739
323         * tree-vrp.c (vrp_val_is_max): New static function.
324         (vrp_val_is_min): New static function.
325         (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
326         copying the node.
327         (set_value_range): Use vrp_val_is_{max,min}.
328         (extract_range_from_assert): Likewise.
329         (extract_range_from_binary_expr): Likewise.
330         (extract_range_from_unary_expr): Likewise.
331         (dump_value_range, vrp_meet): Likewise.
332         (vrp_visit_phi_node): Likewise.
333         * tree.c (build_distinct_type_copy): Revert change of 2007-04-27.
334
335 2007-05-01  Mark Mitchell  <mark@codesourcery.com>
336
337         * config/i386/gmon-sol2.c (size_t): New type.
338         (intptr_t): Likewise.
339         (s_textsize): Declare as size_t.
340         (sbrk): Declare.
341         (monstartup): Use size_t for sizes.
342         (_mcount): Save and restore registers.
343         (internal_mcount): Pass 0 as the first argument to monstartup
344         in 64-bit mode.
345         (moncontrol): Convert pointer to appropriately sized integer
346         before passing to profil.
347
348 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
349
350         * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if
351         __NO_FPRS__, not just if _SOFT_DOUBLE.
352         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise.
353         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord
354         also for E500 double.
355         * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt,
356         suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT
357         && !TARGET_FPRS).
358
359 2007-05-01  Richard Guenther  <rguenther@suse.de>
360
361         * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt
362         is NULL.
363
364 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
365
366         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
367
368 2007-05-01  Jan Hubicka  <jh@suse.cz>
369
370         * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is
371         invariant.
372
373 2007-05-01  Jan Hubicka  <jh@suse.cz>
374
375         * tree.h (maybe_fold_offset_to_component_ref): Remove.
376         (maybe_fold_offset_to_reference): Declare.
377         * fold-const.c (fold_unary): Do not fold
378         (type *)&A into &A->field_of_type_and_offset_0
379         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type
380         size is unknown, give up.
381         (maybe_fold_offset_to_component_ref): Ignore firelds with unknown
382         offsets.
383         (maybe_fold_offset_to_reference): New.
384         (maybe_fold_stmt_indirect): Use it.
385         (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset.
386         * gimplify.c (gimplify_conversion): Canonicalize conversions to
387         field references.
388         (gimplify_expr): Likewise for plus_expr.
389
390 2007-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
391
392         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
393         bsi_after_labels.  Always insert statements before bsi.
394         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
395         * predict.c (apply_return_prediction): Check for empty blocks.
396         * cfgexpand.c (lab_rtx_for_bb): New variable.
397         (label_rtx_for_bb): Do not create new tree labels.
398         (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
399         (tree_expand_cfg): Initialize lab_rtx_for_bb.
400         * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
401         creating edges.
402         (label_for_bb): Add field used.
403         (update_eh_label, main_block_label): Mark the label used.
404         (cleanup_dead_labels): Remove unused labels.
405
406 2007-05-01  Richard Guenther  <rguenther@suse.de>
407
408         * tree-vrp.c (set_value_range): Do not allocate equiv bitmap
409         if it is not about to be set.
410         (get_value_range): Do not pre-allocate equiv bitmap.
411         (update_value_range): No need to clear equiv field.
412         (add_equivalence): Change prototype to get bitmap pointer.
413         Allocate bitmap here if it is not already.
414         (extract_range_from_assert): Do not allocate bitmap here.
415         Update callers to add_equivalence.
416         (extract_range_from_ssa_name): Likewise.
417         (get_vr_for_comparison): New static helper.
418         (compare_name_with_value): Handle NULL equiv bitmap by
419         peeling the first iteration of the comparison loop.
420         Use get_vr_for_comparison.
421         (compare_names): Handle NULL equiv bitmaps by using fake
422         ones.  Use get_vr_for_comparison.
423
424 2007-04-30  Brooks Moses  <brooks.moses@codesourcery.com>
425
426         * double-int.c (mpz_set_double_int): Moved from
427         tree-ssa-loop-niter.c.
428         (mpz_get_double_int): Likewise; also, add option to wrap
429         out-of-range integers.
430         * double-int.h: New prototypes for above.
431         * tree.c (get_static_type_bounds): Moved from
432         tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
433         TYPE_MAX_VALUE if they exist..
434         * tree.h: New prototype for above.
435         * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
436         get_type_bounds calls.
437         (mpz_set_double_int): Move to double-int.c.
438         (get_type_bounds): Move to tree.c, rename to
439         get_static_type_bounds.
440         (mpz_to_double_int): Move to double-int.c, rename to
441         mpz_get_double_int.
442
443 2007-04-30  Bob Wilson  <bob.wilson@acm.org>
444
445         * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
446         DIV0 exception can fall through to a normal return.
447
448 2007-04-30  Alexandre Oliva  <aoliva@redhat.com>
449
450         PR middle-end/22156
451         Temporarily revert:
452         2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
453         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
454         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
455         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
456         initialize align to silence bogus warning.
457         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
458         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
459         all_no_warning.
460         (struct sra_walk_fns): Remove use_all parameter from use.
461         (sra_hash_tree): Handle BIT_FIELD_REFs.
462         (sra_elt_hash): Don't hash bitfld blocks.
463         (sra_elt_eq): Skip them in parent compares as well.  Handle
464         BIT_FIELD_REFs.
465         (sra_walk_expr): Don't maintain or pass down use_all_p.
466         (scan_use): Remove use_all parameter.
467         (scalarize_use): Likewise.  Re-expand assignment to
468         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
469         output, and re-scalarize after output.  Don't mark anything
470         for no warning.
471         (scalarize_ldst): Adjust.
472         (scalarize_walk_gimple_modify_statement): Likewise.
473         (build_element_name_1): Handle BIT_FIELD_REFs.
474         (instantiate_element): Don't warn for any element whose parent
475         is used as a whole.
476         (instantiate_missing_elements_1): Return the sra_elt.
477         (canon_type_for_field): New.
478         (try_instantiate_multiple_fields): New.
479         (instantiate_missing_elemnts): Use them.
480         (mark_no_warning): Removed.
481         (generate_one_element_ref): Handle BIT_FIELD_REFs.
482         (REPLDUP, sra_build_elt_assignment): New.
483         (generate_copy_inout): Use them.
484         (generate_element_copy): Likewise.  Handle bitfld differences.
485         (generate_element_zero): Don't recurse for blocks.  Use
486         sra_build_elt_assignment.
487         (generate_one_element_int): Take elt instead of var.  Use
488         sra_build_elt_assignment.
489         (generate_element_init_1): Adjust.
490         (scalarize_use, scalarize_copy): Use REPLDUP.
491         (scalarize_ldst): Move assert before dereference.
492         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
493
494 2007-04-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
495
496         PR C++/31721
497         * tree.c (reconstruct_complex_type): Reconstruct a reference
498         correctly.
499         Also use the same mode for the pointer as the old pointer type.
500
501 2007-04-30  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
502
503         * doc/trouble.texi (Interoperation): Remove note about Ultrix
504         Fortran compiler.
505
506 2007-04-29  Zdenek Dvorak  <dvorakz@suse.cz>
507
508         PR rtl-optimization/31676
509         * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
510         (df_refs_record): Call it.
511
512 2007-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
513
514         * rtl.def (SS_ABS): New code.
515         * config/bfin/bfin.c (print_operand): New modifier 'v'.
516         (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
517         BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
518         BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
519         (bfin_init_builtins): Define them.
520         (bdesc_1arg, bdesc_2arg): Add some of them here, ...
521         (bfin_expand_builtin): ... and handle the others here.
522         * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
523         flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
524         (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
525         (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
526         operand is only HImode.
527
528 2007-04-29  Steven Bosscher  <steven@gcc.gnu.org>
529
530         * regclass.c (scan_one_insn): Remove splitting of
531         two address insns.
532
533 2007-04-28  Sandra Loosemore  <sandra@codesourcery.com>
534             Nigel Stephens  <nigel@mips.com>
535
536         * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
537
538 2007-04-28  Jan Hubicka  <jh@suse.cz>
539
540         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
541         insn_locators_alloc instead of insn_locators_initialize;
542         call reset_block_changes.
543         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
544         * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
545         * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
546         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
547         * config/score/score.c (th_output_mi_thunk): Likewise.
548         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
549         * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
550         tolerate uninitialized locator info.
551
552         Re-apply:
553         * function.c (init_function_start): Don't init line number info.
554         (expand_function_end): Update.
555         (reset_block_changes, record_block_change, finalize_block_changes,
556         check_block_change, free_block_changes): Kill.
557         * function.h (reset_block_changes, record_block_change,
558         finalize_block_changes, check_block_change, free_block_changes): Remove
559         prototypes.
560         (struct function): Remove ib_boundaries_block.
561         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
562         Use curr_insn_locator to initialize locator.
563         (emit_line_note): Remove.
564         * cfgexpand.c (expand_gimple_cond_expr): Update.
565         (construct_exit_block): Likewise.
566         (tree_expand_cfg): Initialize/finalize locators.
567         * expr.c (expand_expr_real): Update.
568         * cfglayout.c (line_locators_locs, line_locators_lines,
569         file_locators_locs, file_locators_files): Remove.
570         (set_block_levels): Move to cfgexpand.c.
571         (insn_locators_initialize): Remove.
572         (pass_insn_locators_initialize): Remove.
573         (locations_locators_locs, locations_locators_vals): New static vars.
574         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
575         Likewise.
576         (insn_locators_alloc, insn_locators_finalize,
577         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
578         New functions.
579         (locator_location): New.
580         (locator_line, locator_file): Rewrite.
581         * rtl.h (emit_line_note): Kill.
582         (insn_locators_alloc, insn_locators_finalize,
583         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
584         Declare.
585         * tree-inline.c (initialize_cfun): Do not initialize
586         ib_boundaries_block.
587         * passes.c (pass_insn_locators_initialize): Remove.
588
589 2007-04-28  Zdenek Dvorak  <dvorakz@suse.cz>
590
591         * tree-cfg.c (move_block_to_fn): Release bb from dominance
592         info.  Update last_basic_block correctly.
593
594 2007-04-27  Kaz Kojima  <kkojima@gcc.gnu.org>
595
596         PR target/31701
597         * config/sh/sh.c (output_stack_adjust): Avoid using the frame
598         register itself to hold the offset constant.  Tell flow the use
599         of r4 and r5 when they are used.
600
601 2007-04-27  Richard Guenther  <rguenther@suse.de>
602
603         * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
604         if we simplified anything.
605         (tree_ssa_forward_propagate_single_use_vars): Defer overflow
606         warnings until we did a simplification and the stmt was not
607         marked as TREE_NO_WARNING.
608
609 2007-04-27  Mike Stump  <mrs@apple.com>
610
611         * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
612
613 2007-04-27  Ian Lance Taylor  <iant@google.com>
614
615         PR middle-end/31710
616         * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
617         TYPE_MAX_VALUE exist, convert them to the new type.
618
619 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
620
621         * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
622         if it claims to be available.
623         * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
624         edge is redirected.
625         (perform_tree_ssa_dce): Always free postdominators.
626
627 2007-04-27  Richard Henderson  <rth@redhat.com>
628
629         * config/alpha/predicates.md (aligned_memory_operand): Mark
630         as define_special_predicate.
631         (unaligned_memory_operand, normal_memory_operand): Likewise.
632         (reg_or_unaligned_mem_operand): Remove.
633         (any_memory_operand): Match the documentation and check for
634         non-renumbered pseudos during reload.
635         * config/alpha/alpha.c (alpha_secondary_reload): Rename from
636         alpha_secondary_reload_class, update to new interface, make static.
637         Handle CQImode like HImode.  Remove FP subreg check.
638         (alpha_expand_mov): Use replace_equiv_address.
639         (alpha_expand_mov_nobwx): Use any_memory_operand.
640         (TARGET_SECONDARY_RELOAD): New.
641         * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
642         (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
643         * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
644         * config/alpha/alpha.md: ... here.
645         (RELOAD12, reloadmode): New.
646         (movcqi): New.
647         (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
648         Don't handle the aligned case here.
649         (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
650         (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
651         reload_inhi_help.  Don't expect a scratch register.
652         (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
653         reload_outhi_help.
654         * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
655
656 2007-04-27  Richard Guenther  <rguenther@suse.de>
657
658         * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
659
660 2007-04-27  Richard Guenther  <rguenther@suse.de>
661
662         PR tree-optimization/30965
663         PR tree-optimization/30978
664         * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
665         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
666         (find_equivalent_equality_comparison): Likewise.
667         (simplify_cond): Likewise.
668         (get_prop_source_stmt): New helper.
669         (get_prop_dest_stmt): Likewise.
670         (can_propagate_from): Likewise.
671         (remove_prop_source_from_use): Likewise.
672         (combine_cond_expr_cond): Likewise.
673         (forward_propagate_comparison): New function.
674         (forward_propagate_into_cond): Rewrite to use fold for
675         tree combining.
676         (tree_ssa_forward_propagate_single_use_vars): Call
677         forward_propagate_comparison to propagate comparisons.
678
679 2007-04-27  Richard Guenther  <rguenther@suse.de>
680
681         PR tree-optimization/31715
682         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
683         sure to do computation on the offset in an appropriate
684         signed type.
685
686 2007-04-27  Richard Sandiford  <richard@codesourcery.com>
687
688         * reload.h (elimination_target_reg_p): Declare.
689         * reload.c (find_reloads): Don't apply the reg_rtx move
690         optimization if the SET_DEST satisfies elimination_target_reg_p.
691         * reload1.c (elimination_target_reg_p): New function.
692         (gen_reload): In the move/add2 fallback, make sure that op0
693         does not overlap the destination register.
694
695 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
696
697         * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
698         transform only GIMPLE_MODIFY_STMTs.
699         * tree-complex.c (expand_complex_operations_1): Ditto.
700         (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
701         * tree-ssa-loop-manip.c (build_if_stmt): Removed.
702         (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
703         branches.
704         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
705         tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
706         * omp-low.c (expand_parallel_call, expand_omp_for_generic,
707         expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
708         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
709         slpeel_add_loop_guard): Ditto.
710         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
711         * lambda-code.c (perfect_nestify): Ditto.
712         * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
713         before the first statement.
714         * tree-optimize.c (execute_free_datastructures): Fix comments.
715         (execute_free_cfg_annotations): Do not call disband_implicit_edges.
716         * tree-flow.h (disband_implicit_edges): Declaration removed.
717         * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
718         branches.
719         (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
720         without gotos.
721         (disband_implicit_edges, has_label_p): Removed.
722         (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
723         (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
724         branches.
725         * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
726         side effects.
727         * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
728         also for COND_EXPRs.
729         * cfgexpand.c (label_rtx_for_bb): New function.
730         (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
731         Use label_rtx_for_bb to find the labels.
732         (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
733         last block.  Detect fallthru edges.
734
735 2007-04-26  Ian Lance Taylor  <iant@google.com>
736
737         PR target/28675
738         * reload.c (find_reloads_subreg_address): If the address was valid
739         in the original mode but not in the new mode, reload the whole
740         address.
741
742 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
743
744         * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
745         (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
746         (cleanup_control_expr_graph): Do not invalidate dominance info.
747         Record altered blocks.
748         (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
749         (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
750         cleanup_tree_cfg_bb): New functions.
751         (remove_forwarder_block): Do not maintain the worklist of blocks.
752         Record altered blocks.
753         (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
754         not over whole cfg.
755         (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1.  Only call
756         delete_unreachable_blocks if dominators are not available.
757         * tree-inline.c (optimize_inline_calls): Free dominance information
758         earlier.
759         * tree-flow.h (remove_edge_and_dominated_blocks,
760         cfgcleanup_altered_bbs): Altered.
761         * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
762         blocks.
763         (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
764         functions.
765         (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
766         do not invalidate dominators.
767
768 2007-04-26  Anatoly Sokolov <aesok@post.ru>
769
770         * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
771         ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
772         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
773         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
774
775 2007-04-26  Steve Ellcey  <sje@cup.hp.com>
776
777         * config/ia64/ia64.md (ip_value):  Fix itanium_class attribute.
778
779 2007-04-26  Richard Guenther  <rguenther@suse.de>
780
781         PR tree-optimization/31703
782         * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
783         the right type for the target of the bittest.
784
785 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
786
787         * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
788         ix86_sol10_return_in_memory.
789
790 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
791
792         * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
793         variables.
794
795 2007-04-26  Jakub Jelinek  <jakub@redhat.com>
796
797         PR c++/31598
798         * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
799
800         PR tree-optimization/30558
801         * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
802         clear this_state.prev_try.
803
804 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
805             Mark Mitchell  <mark@codesourcery.com>
806
807         * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
808         * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
809         * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
810
811 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
812
813         PR driver/31107
814         * doc/invoke.texi (%:print-asm-header): Document.
815         * gcc.c (asm_options): Use %:print-asm-header() for --target-help
816         and -ftarget-help.
817         (static_spec_functions): Add print-asm-header.
818         (main): Print a banner before the --target-help linker options.
819         (print_asm_header_spec_function): New function.
820
821 2007-04-25  Kaz Kojima  <kkojima@gcc.gnu.org>
822
823         PR target/31403
824         * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
825         (movsf_ie): Likewise.
826
827 2007-04-25  Paolo Carlini  <pcarlini@suse.de>
828
829         * doc/extend.texi ([Type Traits]): Adjust per N2255.
830
831 2007-04-25  Bob Wilson  <bob.wilson@acm.org>
832
833         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an exception
834         for divide-by-zero.
835         (__umodsi3, __modsi3): Likewise.
836
837 2007-04-25  Dirk Mueller  <dmueller@suse.de>
838
839         * c-typeck.c (build_compound_expr): Annotate warning()
840         call with OPT_Wunused_value.
841         * tree-ssa.c (warn_uninit): Annotate warning with
842         OPT_Wunintialized.
843         * c-common.c (handle_sentinel_attribute): Annotate warning
844         call with OPT_Wattributes.
845
846 2007-04-25  Thiemo Seufer  <ths@mips.com>
847
848         * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
849         (mips16): Fix typo.
850         * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
851         on to the assembler.  Improve handling of -mno-mips16.  Add handling
852         of -mno-mips3d, -mno-dsp, -mno-dspr2.
853         * doc/invoke.texi (MIPS Options): Whitespace cleanup.  Fix wrong use
854         of @itemx.  Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
855         -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
856
857 2007-04-25  Danny Smith  <dannysmith.users.sourceforge.net>
858
859         PR target/31680
860         * config/i386/winnt.c (i386_pe_file_end): Strip only
861         USER_LABEL_PREFIX when writing export name.
862
863 2007-04-25  Richard Sandiford  <richard@codesourcery.com>
864
865         * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h.  Include
866         sh/elf.h, vx-common.h and vxworks.h.
867         * config/sh/sh.h: Include config/vxworks-dummy.h.
868         (SUBTARGET_OVERRIDE_OPTIONS): Define.
869         (OVERRIDE_OPTIONS): Use it.
870         * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
871         (vxworks_picreg): New pattern.
872         * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
873         VXWORKS_OS_CPP_BUILTINS.
874         (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
875         to their VXWORKS_* equivalents.
876         (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
877         (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
878         * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
879         (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
880         * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
881         -mrtp/-fPIC multilibs.
882         (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
883         (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
884         (MULTILIB_OSDIRNAMES): Delete.
885
886 2007-04-25  Anatoly Sokolov <aesok@post.ru>
887
888         PR target/18989
889         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
890
891 2007-04-24  Brooks Moses  <brooks.moses@codesourcery.com>
892
893         * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
894         rounding mode to be specified by the caller.
895         (real_to_mpfr) Likewise.
896         * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
897         include new arguments.
898         * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
899
900 2007-04-24  Ian Lance Taylor  <iant@google.com>
901
902         PR tree-optimization/31605
903         * tree-vrp.c (set_value_range): Check that min and max are not
904         both overflow infinities.
905         (set_value_range_to_value): New static function.
906         (extract_range_from_binary_expr): Call set_value_range_to_value.
907         (extract_range_from_cond_expr): Likewise.
908         (extract_range_from_expr): Likewise.
909         (extract_range_from_unary_expr): Likewise.  Don't create a range
910         which overflows on both sides.
911         (vrp_meet): Check for a useless range.
912         (vrp_visit_phi_node): If we see a constant which looks like an
913         overflow infinity, turn off the TREE_OVERFLOW flag.
914
915 2007-04-24  Ian Lance Taylor  <iant@google.com>
916
917         * flow.c (elim_reg_cond): Handle a comparison of a subreg.
918
919 2007-04-24  Simon Martin  <simartin@users.sourceforge.net>
920
921         PR diagnostic/25923
922         * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
923         diagnostic message is being built.
924         * tree-pretty-print.c (dump_generic_node): Only write the
925         formatted text into BUFFER's stream if we are not building a
926         diagnostic message.
927         * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
928         dump_generic_node.
929         * Makefile.in (toplev.o): Depend on tree-pass.h.
930
931 2007-04-24  Ian Lance Taylor  <iant@google.com>
932
933         PR tree-optimization/31602
934         * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
935         conditionals in the copied loop header.
936         * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
937         warnings if TREE_NO_WARNING is set.
938         * doc/invoke.texi (Warning Options): Clarify that
939         -Wstrict-overflow does not warn about loops.
940
941 2007-04-24  Janis Johnson  <janis187@us.ibm.com>
942
943         * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
944         expand on the comment about _Decimal128 arguments and check the
945         integer result of the modulus operation; for 64-bit ELF ABI, ensure
946         that _Decimal128 argument uses even/odd register pair.
947         (function_arg): Ditto.
948
949 2007-04-24  Hui-May Chang <hm.chang@apple.com>
950
951         * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
952         instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
953
954 2007-04-24  Richard Guenther  <rguenther@suse.de>
955             Olga Golovanevsky  <olga@il.ibm.com>
956
957         * fold-const.c (multiple_of_p): Check for bottom
958         to be zero.
959
960 2007-04-24  Richard Henderson  <rth@redhat.com>
961
962         * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
963         IS_IBM_EXTENDED.  Also define in terms of WIDEST_HARDWARE_FP_SIZE.
964         * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
965         looking for non-zero bits shifted out.  Avoid a recursive call
966         when constructing the scalar.
967         (__floatundisf): Likewise.
968
969 2007-04-24  Nathan Froyd  <froydnj@codesourcery.com>
970
971         * dwarf2out.c (field_byte_offset): Move the existing logic
972         under the control of PCC_BITFIELD_TYPE_MATTERS and just use
973         the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
974
975 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
976
977         PR target/31641
978         * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length
979         argument of 0 for memset.
980         (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
981         unsigned shift instead of the signed variant.
982
983 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
984
985         * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
986         "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
987         "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
988         "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
989         "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
990         "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
991         "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
992         "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
993         "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
994         ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
995         "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
996         "mul<mode>3", "div<mode>3"): Insn definitions added.
997         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
998         "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
999         to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
1000         ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
1001         "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
1002         "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
1003         ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
1004         * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
1005         TARGET_FLOAT_FORMAT): Macro definitions removed.
1006         (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
1007         * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
1008         z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
1009         (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
1010         (s390_gen_rtx_const_DI): Function removed.
1011         * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
1012
1013 2007-04-24  Richard Sandiford  <richard@codesourcery.com>
1014
1015         * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
1016         over an external ffs function.
1017
1018 2007-04-24  Chao-ying Fu  <fu@mips.com>
1019             Richard Sandiford  <richard@nildram.co.uk>
1020
1021         * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
1022         * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
1023         (smadd_widen_optab, umadd_widen_optab): Define.
1024         * optabs.c (init_optabs): Initialize smadd_widen_optab and
1025         umadd_widen_optab.
1026         * genopinit.c (optabs): Fill in smadd_widen_optab and
1027         umadd_widen_optab.
1028         * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
1029         and umadd_widen_optab to implement multiply-add sequences.
1030         * config/mips/mips.md (*<su>mul_acc_di): Rename to...
1031         (<u>maddsidi4): ...this.  Extend condition to include
1032         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
1033         of operand 0 to "ka" and use the three-operand form of madd<u>
1034         for TARGET_DSPR2.
1035         * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
1036         to define_expands.
1037         * config/mips/constraints.md (ka): New register constraint.
1038
1039 2007-04-24  Jan Hubicka  <j@suse.cz>
1040
1041         Revert:
1042
1043         2007-04-23  Jan Hubicka  <jh@suse.cz>
1044         * function.c (init_function_start): Don't init line number info.
1045         (expand_function_end): Update.
1046         (reset_block_changes, record_block_change, finalize_block_changes,
1047         check_block_change, free_block_changes): Kill.
1048         * function.h (reset_block_changes, record_block_change,
1049         finalize_block_changes, check_block_change, free_block_changes): Remove
1050         prototypes.
1051         (struct function): Remove ib_boundaries_block.
1052         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
1053         Use curr_insn_locator to initialize locator.
1054         (emit_line_note): Remove.
1055         * cfgexpand.c (expand_gimple_cond_expr): Update.
1056         (construct_exit_block): Likewise.
1057         (tree_expand_cfg): Initialize/finalize locators.
1058         * expr.c (expand_expr_real): Update.
1059         * cfglayout.c (line_locators_locs, line_locators_lines,
1060         file_locators_locs, file_locators_files): Remove.
1061         (set_block_levels): Move to cfgexpand.c.
1062         (insn_locators_initialize): Remove.
1063         (pass_insn_locators_initialize): Remove.
1064         (locations_locators_locs, locations_locators_vals): New static vars.
1065         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
1066         Likewise.
1067         (insn_locators_alloc, insn_locators_finalize,
1068         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1069         New functions.
1070         (locator_location): New.
1071         (locator_line, locator_file): Rewrite.
1072         * rtl.h (emit_line_note): Kill.
1073         (insn_locators_alloc, insn_locators_finalize,
1074         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1075         Declare.
1076         * tree-inline.c (initialize_cfun): Do not initialize
1077         ib_boundaries_block.
1078         * passes.c (pass_insn_locators_initialize): Remove.
1079
1080 2007-04-24  Daniel Franke  <franke.daniel@gmail.com>
1081
1082         * doc/invoke.texi: Removed leading '-' from option index entries.
1083
1084 2007-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
1085
1086         * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
1087         Use phi_nodes_ptr.
1088         (create_phi_node): Use set_phi_nodes.
1089         * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
1090         * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
1091         (combine_blocks):  Use bb_stmt_list and set_bb_stmt_list.
1092         * tree-flow-inline.h (phi_nodes, set_phi_nodes,
1093         (bsi_start, bsi_last): Use bb_stmt_list.
1094         (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
1095         * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
1096         Traverse the statements using tsi iterator.
1097         * basic-block.h (struct basic_block_def): Fields stmt_list
1098         and phi_nodes moved to ...
1099         (struct tree_bb_info): ... new structure.
1100         * tree-cfg.c (create_bb): Allocate il.tree.  Use set_bb_stmt_list.
1101         (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
1102         (remove_bb): Handle blocks with NULL stmt list.  Clear il.tree field.
1103         (tree_verify_flow_info): Verify that il.tree is not set for
1104         entry and exit block.
1105         (tree_split_block): Use set_bb_stmt_list.
1106
1107 2007-04-23  Mike Stump  <mrs@apple.com>
1108
1109         * config/i386/i386.c (ix86_tune_features
1110         [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
1111         nocona and core2.
1112
1113 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
1114
1115         * config/i386/i386.md (prefix_extra): New attribute.
1116         (length): Add prefix_extra.
1117
1118         * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
1119         (sse2_movntv2di): Likewise.
1120         (sse2_cvtps2dq): Likewise.
1121         (sse2_cvtpd2pi): Likewise.
1122         (sse2_cvttpd2pi): Likewise.
1123         (*sse2_cvtpd2ps): Likewise.
1124         (*add<mode>3): Likewise.
1125         (sse2_ssadd<mode>3): Likewise.
1126         (sse2_usadd<mode>3): Likewise.
1127         (*sub<mode>3): Likewise.
1128         (sse2_sssub<mode>3): Likewise.
1129         (sse2_ussub<mode>3): Likewise.
1130         (*mulv8hi3): Likewise.
1131         (*smulv8hi3_highpart): Likewise.
1132         (*umulv8hi3_highpart): Likewise.
1133         (sse2_umulv2siv2di3): Likewise.
1134         (sse2_pmaddwd): Likewise.
1135         (ashr<mode>3): Likewise.
1136         (lshr<mode>3): Likewise.
1137         (ashl<mode>3): Likewise.
1138         (sse2_ashlti3): Likewise.
1139         (sse2_lshrti3): Likewise.
1140         (*umaxv16qi3): Likewise.
1141         (*smaxv8hi3): Likewise.
1142         (*uminv16qi3): Likewise.
1143         (*sminv8hi3): Likewise.
1144         (sse2_eq<mode>3): Likewise.
1145         (sse2_gt<mode>3): Likewise.
1146         (*and<mode>3): Likewise.
1147         (sse2_nand<mode>3): Likewise.
1148         (*ior<mode>3): Likewise.
1149         (*xor<mode>3): Likewise.
1150         (sse2_packsswb): Likewise.
1151         (sse2_packssdw): Likewise.
1152         (sse2_packuswb): Likewise.
1153         (sse2_punpckhbw): Likewise.
1154         (sse2_punpcklbw): Likewise.
1155         (sse2_punpckhwd): Likewise.
1156         (sse2_punpcklwd): Likewise.
1157         (sse2_punpckhdq): Likewise.
1158         (sse2_punpckldq): Likewise.
1159         (sse2_punpckhqdq): Likewise.
1160         (sse2_punpcklqdq): Likewise.
1161         (*sse2_pinsrw): Likewise.
1162         (*sse2_pextrw): Likewise.
1163         (sse2_pshufd_1): Likewise.
1164         (sse2_uavgv16qi3): Likewise.
1165         (sse2_uavgv8hi3): Likewise.
1166         (sse2_psadbw): Likewise.
1167         (sse2_pmovmskb): Likewise.
1168         (*sse2_maskmovdqu): Likewise.
1169         (*sse2_maskmovdqu_rex64): Likewise.
1170         (sse4a_extrqi): Likewise.
1171         (sse4a_extrq): Likewise.
1172         (sse3_lddqu): Set prefix_rep.
1173         (sse3_addsubv4sf3): Likewise.
1174         (sse3_haddv4sf3): Likewise.
1175         (sse3_hsubv4sf3): Likewise.
1176         (sse_cvtss2si): Likewise.
1177         (sse_cvtss2si_2): Likewise.
1178         (sse_cvtss2siq): Likewise.
1179         (sse_cvtss2siq_2): Likewise.
1180         (sse_cvttss2si): Likewise.
1181         (sse_cvttss2siq): Likewise.
1182         (sse2_cvttps2dq): Likewise.
1183         (sse3_movshdup): Likewise.
1184         (sse3_movsldup): Likewise.
1185         (sse2_cvtsd2si): Likewise.
1186         (sse2_cvtsd2si_2): Likewise.
1187         (sse2_cvtsd2siq): Likewise.
1188         (sse2_cvtsd2siq_2): Likewise.
1189         (sse2_cvttsd2si): Likewise.
1190         (sse2_cvttsd2siq): Likewise.
1191         (*sse2_cvtpd2dq): Likewise.
1192         (*sse2_cvttpd2dq): Likewise.
1193         (sse2_pshuflw_1): Likewise.
1194         (sse2_pshufhw_1): Likewise.
1195         (sse4a_insertqi): Likewise.
1196         (sse4a_insertq): Likewise.
1197         (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
1198         (ssse3_phadddv4si3): Likewise.
1199         (ssse3_phaddswv8hi3): Likewise.
1200         (ssse3_phsubwv8hi3): Likewise.
1201         (ssse3_phsubdv4si3): Likewise.
1202         (ssse3_phsubswv8hi3): Likewise.
1203         (ssse3_pmaddubswv8hi3): Likewise.
1204         (ssse3_pmulhrswv8hi3): Likewise.
1205         (ssse3_pshufbv16qi3): Likewise.
1206         (ssse3_psign<mode>3): Likewise.
1207         (ssse3_palignrti): Likewise.
1208         (abs<mode>2): Likewise.
1209         (ssse3_phaddwv4hi3): Set prefix_extra.
1210         (ssse3_phadddv2si3): Likewise.
1211         (ssse3_phaddswv4hi3): Likewise.
1212         (ssse3_phsubwv4hi3): Likewise.
1213         (ssse3_phsubdv2si3): Likewise.
1214         (ssse3_phsubswv4hi3): Likewise.
1215         (ssse3_pmaddubswv4hi3): Likewise.
1216         (ssse3_pmulhrswv4hi3): Likewise.
1217         (ssse3_pshufbv8qi3): Likewise.
1218         (ssse3_psign<mode>3): Likewise.
1219         (ssse3_palignrdi): Likewise.
1220         (abs<mode>2): Likewise.
1221         (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
1222         (*vec_dupv2df): Set mode to V2DF instead of V4SF.
1223         (sse2_pmovmskb): Set mode to SI instead of V2DF.
1224
1225 2007-04-23  Nick Clifton  <nickc@redhat.com>
1226
1227         * params.def: Fix formatting of emacs local variables.
1228
1229 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
1230
1231         * config/i386/sse.md (sse2_stored): Don't split to inter-unit
1232         move if inter-unit move isn't allowed.
1233         Don't split moving the first element of V2DI to DI to inter-unit
1234         move if inter-unit move isn't allowed.
1235
1236 2007-04-23  Richard Guenther  <rguenther@suse.de>
1237
1238         * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
1239         and CDI_POST_DOMINATORS separately.
1240
1241 2007-04-23  Nick Clifton  <nickc@redhat.com>
1242
1243         * c.opt (Wformat-contains-nul): Add warning attribute.
1244
1245 2007-04-23  Jan Hubicka  <jh@suse.cz>
1246
1247         * function.c (init_function_start): Don't init line number info.
1248         (expand_function_end): Update.
1249         (reset_block_changes, record_block_change, finalize_block_changes,
1250         check_block_change, free_block_changes): Kill.
1251         * function.h (reset_block_changes, record_block_change,
1252         finalize_block_changes, check_block_change, free_block_changes): Remove
1253         prototypes.
1254         (struct function): Remove ib_boundaries_block.
1255         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
1256         Use curr_insn_locator to initialize locator.
1257         (emit_line_note): Remove.
1258         * cfgexpand.c (expand_gimple_cond_expr): Update.
1259         (construct_exit_block): Likewise.
1260         (tree_expand_cfg): Initialize/finalize locators.
1261         * expr.c (expand_expr_real): Update.
1262         * cfglayout.c (line_locators_locs, line_locators_lines,
1263         file_locators_locs, file_locators_files): Remove.
1264         (set_block_levels): Move to cfgexpand.c.
1265         (insn_locators_initialize): Remove.
1266         (pass_insn_locators_initialize): Remove.
1267         (locations_locators_locs, locations_locators_vals): New static vars.
1268         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
1269         Likewise.
1270         (insn_locators_alloc, insn_locators_finalize,
1271         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1272         New functions.
1273         (locator_location): New.
1274         (locator_line, locator_file): Rewrite.
1275         * rtl.h (emit_line_note): Kill.
1276         (insn_locators_alloc, insn_locators_finalize,
1277         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1278         Declare.
1279         * tree-inline.c (initialize_cfun): Do not initialize
1280         ib_boundaries_block.
1281         * passes.c (pass_insn_locators_initialize): Remove.
1282
1283 2007-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1284
1285         PR middle-end/31448
1286         * expr.c (reduce_to_bit_field_precision): Handle
1287         CONST_INT rtx's.
1288
1289 2007-04-22  Uros Bizjak  <ubizjak@gmail.com>
1290
1291         PR tree-optimization/24659
1292         * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
1293         OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
1294         (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
1295         * genopinit.c (optabs): Rename vec_pack_mod_optab
1296         to vec_pack_trunc_optab.
1297         * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
1298         early for scalar floating point operands for NOP_EXPR.
1299         (vectorizable_type_promotion): Ditto.
1300         * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
1301         vec_pack_trunc_optab.
1302         (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
1303
1304         * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
1305         * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
1306         Rename from VEC_PACK_MOD_EXPR.
1307         (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
1308         * expr.c (expand_expr_real_1): Ditto.
1309         * tree-inline.c (estimate_num_insns_1): Ditto.
1310         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
1311
1312         * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
1313         (vec_unpacks_lo_v4sf): Ditto.
1314         (vec_pack_trunc_v2df): Ditto.
1315         (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
1316         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
1317         (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
1318
1319         * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
1320         vec_pack_mod_v8hi.
1321         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
1322
1323         * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
1324         Rename from VEC_PACK_MOD_EXPR.  This expression also represent
1325         packing of floating point operands.
1326         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
1327         represent unpacking of floating point operands.
1328         * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
1329         [vec_unpacks_hi]: Ditto.
1330         [vec_unpacks_lo]: Ditto.
1331
1332 2007-04-22  Jan Hubicka  <jh@suse.cz>
1333
1334         * final.c (rest_of_handle_final): Call
1335         targetm.asm_out.constructor/targetm.asm_out.destructor
1336         * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
1337         proper priority via decl_*_priority_insert.
1338         * c-common.c (c_expand_body): Likewise.
1339
1340 2007-04-22  Richard Guenther  <rguenther@suse.de>
1341
1342         PR tree-optimization/29789
1343         * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
1344         (rewrite_reciprocal): New helper split out from
1345         determine_invariantness_stmt.
1346         (rewrite_bittest): Likewise.
1347         (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
1348         A & (1 << B) if (1 << B) is loop invariant but (A >> B)
1349         is not.
1350
1351 2007-04-22  Revital Eres  <eres@il.ibm.com>
1352
1353         * loop-unroll.c (var_to_expand): New field to support also
1354         insns of the form x = something + x.
1355         (analyze_insn_to_expand_var): Use it.
1356         (expand_var_during_unrolling): Likewise.
1357
1358 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
1359
1360         * predict.c: Include pointer-set.h.
1361         (bb_predictions): New variable.
1362         (tree_predicted_by_p, tree_predict_edge,
1363         remove_predictions_associated_with_edge): Use bb_predictions map
1364         instead of bb->predictions.
1365         (clear_bb_predictions, assert_is_empty): New functions.
1366         (combine_predictions_for_bb): Use bb_predictions map.  Call
1367         clear_bb_predictions.
1368         (tree_estimate_probability): Create and free bb_predictions map.
1369         * Makefile.in (predict.o): Add pointer-set.h dependency.
1370         * basic-block.h (struct basic_block_def): Remove predictions
1371         field.
1372         * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
1373
1374 2007-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
1375
1376         PR target/31480
1377         * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
1378         is null.
1379
1380 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1381
1382         * timevar.c (timevar_print): Change reference of --disable-checking to
1383         --enable-checking=release.  Also warn if assert checking is disabled.
1384
1385 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1386
1387         PR C/30265
1388         * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
1389         decl as addressable if the compound literal was marked as
1390         addressable.
1391         Mark the decl as a gimple register if it is a complex or
1392         vector decl and does not live in memory.
1393
1394 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1395
1396         * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
1397         (GENERIC_NEXT): New function macro.
1398         (PHI_CHAIN): Use phi_node's new chain variable.
1399         (tree_phi_node): Change tree_common to tree_base
1400         and add the chain field.
1401         * tree-phinodes.c (make_phi_node): Don't set
1402         TREE_TYPE on the new node.
1403         * c-decl.c (lang_tree_node): Use GENERIC_NEXT
1404         instead of checking GIMPLE_TUPLE_P in chain_next.
1405         * tree-vect-transform.c
1406         (get_initial_def_for_induction): Look at
1407         PHI_RESULT_TREE for the type of the phi node.
1408         (update_vuses_to_preheader): Use PHI_CHAIN
1409         instead of TREE_CHAIN on the phi node.
1410         * tree-ssa-structalias.c (compute_points_to_sets):
1411         Likewise.
1412         (ipa_pta_execute): Likewise.
1413
1414 2007-04-21  Richard Guenther  <rguenther@suse.de>
1415
1416         PR middle-end/31136
1417         * fold-const.c (fold_unary): Call fold_convert_const on the
1418         original tree.
1419
1420 2007-04-21  Alexandre Oliva  <aoliva@redhat.com>
1421
1422         * gcse.c (store_killed_in_insn): Handle PARALLELs.
1423         (store_killed_in_pat): New.
1424
1425 2007-04-20  Richard Henderson  <rth@redhat.com>
1426
1427         PR target/31628
1428         * config/i386/i386.c (type_has_variadic_args_p): Look for any
1429         TREE_LIST with a void_type_node value, not void_list_node exactly.
1430
1431 2007-04-21  Douglas Gregor  <doug.gregor@gmail.com>
1432
1433         * doc/standards.texi: Re-arrange into language-specific
1434         subsections. Add a C++ section, documenting which standards we
1435         support.
1436
1437 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
1438
1439         * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
1440         * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
1441
1442 2007-04-20  Daniel Jacobowitz  <dan@codesourcery.com>
1443
1444         * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
1445         ecrti.o and crtbegin.o.
1446         (LIB_DEFAULT_SPEC): Include -lc.
1447         (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
1448
1449 2007-04-20  Richard Henderson  <rth@redhat.com>
1450
1451         PR target/28623
1452         * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
1453         argument; update all callers.
1454         (get_unaligned_offset): New.
1455         * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
1456         get_unaligned_address, just pass on the address directly.
1457         (unaligned_extendqidi): Use gen_lowpart instead of open-coding
1458         the subreg in the helper patterns.
1459         (unaligned_extendqidi_le): Use get_unaligned_offset.
1460         (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
1461         (unaligned_extendhidi_be): Likewise.
1462         (unaligned_extendhidi): Tidy.
1463         * config/alpha/alpha-protos.h: Update.
1464
1465 2007-04-20  Richard Henderson  <rth@redhat.com>
1466
1467         * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
1468         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
1469         * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
1470         * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1471         * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1472         (CPP_SPEC): Don't include %(cpp_subtarget).
1473         * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
1474         (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1475         * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
1476
1477 2007-04-20  Jakub Jelinek  <jakub@redhat.com>
1478
1479         * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
1480         for __builtin_ia32_cmpordss.
1481
1482         PR tree-optimization/31632
1483         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
1484         and arg1 for optimizations of comparison against min/max values.
1485         Fold arg0 to arg1's type for optimizations of comparison against
1486         min+1 and max-1 values.
1487
1488 2007-04-19  Bernd Schmidt  <bernd.schmidt@analog.com>
1489
1490         * reload.c (combine_reloads): When trying to use a dying register,
1491         check whether it's uninitialized and don't use if so.
1492
1493 2007-04-19  Brooks Moses  <brooks.moses@codesourcery.com>
1494
1495         * fold-const.c: Remove prototypes for native_encode_expr and
1496         native_interpret_expr.
1497         (native_encode_expr): Make non-static.
1498         (native_interpret_expr): Likewise.
1499         * tree.h: Add prototypes for the above.
1500
1501 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
1502
1503         * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
1504         *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
1505         *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
1506         spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
1507         tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
1508         Add length attributes.
1509
1510 2007-04-19  Janis Johnson  <janis187@us.ibm.com>
1511
1512         * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
1513         not that it is 1.
1514
1515         * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
1516         __STDC_WANT_DEC_FP__.
1517
1518 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
1519
1520         * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
1521         for long double compatibility.
1522         * configure: Regenerate.
1523
1524 2007-04-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
1525
1526         PR rtl-optimization/29841
1527         * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
1528         trap instructions.
1529         * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
1530         that may cause control flow transfer from being moved.
1531
1532 2007-04-18  Jan Hubicka  <jh@suse.cz>
1533
1534         * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
1535         types.
1536
1537 2007-04-18  Eric Christopher  <echristo@apple.com>
1538
1539         * config/rs6000/darwin.md (load_macho_picbase): Use link register
1540         only. Update operands.
1541         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
1542         * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
1543         link register to pic register.
1544
1545 2007-04-18  Dirk Mueller  <dmueller@suse.de>
1546
1547         PR diagnostic/31227
1548         * tree-vrp.c (search_for_addr_array): New.
1549         (check_array_bounds): Suppress warning about
1550         address taken of array refs if its not de-referenced.
1551
1552 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1553
1554         * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
1555         * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
1556
1557         * tree-vectorizer.h (NITERS_KNOWN_P): New.
1558         * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
1559         instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
1560
1561         * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
1562         dump print.
1563         (vect_analyze_operations): Fix indenetation.  Fix a comment.  Fix a
1564         print message.
1565         (vect_analyze_scalar_cycles): Fix indentation.
1566         (vect_enhance_data_refs_alignment): Fix check in case of peeling.
1567         (vect_mark_relevant): Include phis in relevance analysis.
1568
1569         * tree-vect-transform.c (vect_transform_loop): Add an assert.
1570
1571 2007-04-18  Anatoly Sokolov <aesok@post.ru>
1572
1573         * config/avr/avr.c (ptrreg_to_str): Replace error() with
1574         output_operand_lossage().
1575
1576 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1577
1578         * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
1579         the unused code for reduction without adjust-in-epilog to simplify the
1580         function.
1581
1582 2007-04-18  Wolfgang Gellerich  <gellerich@de.ibm.com>
1583
1584         * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
1585         (S390_TDC_NEGATIVE_ZERO): New constant.
1586         (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
1587         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
1588         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
1589         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
1590         (S390_TDC_POSITIVE_INFINITY): New constant.
1591         (S390_TDC_NEGATIVE_INFINITY): New constant.
1592         (S390_TDC_POSITIVE_QUIET_NAN): New constant.
1593         (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
1594         (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
1595         (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
1596         (S390_TDC_INFINITY): New constant.
1597         * config/s390/s390.c (s390_canonicalize_comparison): Renamed
1598         UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
1599         optimization for UNSPEC_CCZ_TO_INT.
1600         * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
1601         ("*ccz_to_int"): New insn.
1602         ("isinf<mode>2"): New insn.
1603         (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
1604         (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
1605         (UNSPEC_CCZ_TO_INT): New constant.
1606
1607 2007-04-18  Richard Guenther  <rguenther@suse.de>
1608
1609         PR tree-optimization/19431
1610         PR tree-optimization/21463
1611         * tree-pass.h (pass_phiprop): Declare.
1612         * passes.c (init_optimization_passes): New phiprop pass.
1613         * tree-ssa-forwprop.c (struct phiprop_d): New structure.
1614         (phivn_valid_p): New helper function.
1615         (phiprop_insert_phi): Likewise.
1616         (propagate_with_phi): Likewise.
1617         (tree_ssa_phiprop): New propagator propagating loads
1618         through phi nodes if profitable.
1619
1620 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1621
1622         * tree-vect-analyze.c (process_use): New function.
1623         (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
1624         Check phis in all bbs.
1625         * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
1626         assert.
1627
1628 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
1629
1630         * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
1631         we use REG_EQUAL.
1632
1633 2007-04-17  Anatoly Sokolov <aesok@post.ru>
1634
1635         PR target/30483
1636         * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
1637         error().
1638
1639 2007-04-17  H.J. Lu  <hongjiu.lu@intel.com>
1640
1641         * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
1642         on "0".
1643         (sse_vmmulv4sf3): Likewise.
1644         (sse2_vmaddv2df3): Likewise.
1645         (sse2_vmmulv2df3): Likewise.
1646
1647 2007-04-17  Zdenek Dvorak  <dvorakz@suse.cz>
1648
1649         PR rtl-optimization/31360
1650         * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
1651         (target_reg_cost): New.
1652         (init_set_costs): Initialize target_reg_cost.  Add comments
1653         regarding the rationale of the costs.
1654         (global_cost_for_size): Renamed to...
1655         (estimate_reg_pressure_cost): ... and simplify.  Decrease importance
1656         of register pressure.
1657         * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
1658         estimate_reg_pressure_cost.  Add number of ivs.
1659         (determine_set_costs): Dump target_reg_cost.
1660         * loop-invariant.c (gain_for_invariant):  Use
1661         estimate_reg_pressure_cost.  Removed n_inv_uses argument.
1662         (best_gain_for_invariant, find_invariants_to_move): Remove
1663         n_inv_uses.
1664         * cfgloop.h (target_small_cost, target_pres_cost): Removed.
1665         (target_reg_cost): Declare.
1666         (global_cost_for_size): Declaration removed.
1667         (estimate_reg_pressure_cost): Declare.
1668
1669 2007-04-17  Peter Bergner  <bergner@vnet.ibm.com>
1670
1671         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
1672         regnos into even/odd register pairs.
1673         * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
1674         TDmode similar to the other floating point modes.
1675         [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
1676         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
1677         define_expand's.
1678         (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
1679         nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
1680         (movdd_hardfloat64): Use TARGET_MFPGPR.
1681
1682 2007-04-17  Bernd Schmidt  <bernd.schmidt@analog.com>
1683
1684         * reload1.c (delete_output_reload): Don't count output in n_inherited.
1685
1686         Revert
1687         2005-01-05  Richard Henderson  <rth@redhat.com>
1688         PR rtl-opt/10692
1689         * reload1.c (do_input_reload): Restrict the optimization deleteing
1690         a previous output reload to RELOAD_FOR_INPUT.
1691
1692 2007-04-17  Dorit Nuzman  <dorit@il.ibm.com>
1693
1694         * tree-vectorizer.h (stmt_vec_info_type): Add enum value
1695         induc_vec_info_type.
1696         (vectorizable_induction): New function declaration.
1697         * tree-vect-transform.c (get_initial_def_for_induction): No need to
1698         check if already vectorized.  Find first place in BB where new stmts
1699         can be inserted.  Takes only one argument.
1700         (vectorizable_induction): New function.
1701         (vect_transform_stmt): Add case for induc_vec_info_type to call
1702         vectorizable_induction.
1703         (vect_transform_loop): Consider phis for vectorization.
1704         * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
1705         condition.
1706         (analyze_operations): Call vectorizable_induction when analyzing phis.
1707         Fix comment.
1708         (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
1709         (vect_mark_relevant): Include phis in relevance analysis.
1710         (vect_mark_stmts_to_be_vectorize): Likewise.
1711         * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
1712
1713 2007-04-16  Lawrence Crowl  <crowl@google.com>
1714
1715         * doc/invoke.texi (Debugging Options): Add documentation for the
1716         -femit-struct-debug options -femit-struct-debug-baseonly,
1717         -femit-struct-debug-reduced, and
1718         -femit-struct-debug-detailed[=...].
1719
1720         * c-opts.c (c_common_handle_option): Add
1721         OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
1722         and OPT_femit_struct_debug_detailed_.
1723         * c.opt: Add specifications for
1724         -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
1725         and -femit-struct-debug-detailed[=...].
1726         * opts.c (set_struct_debug_option): Parse the
1727         -femit-struct-debug-... options.
1728         * opts.c (matches_main_base, main_input_basename,
1729         main_input_baselength, base_of_path, matches_main_base): Add
1730         variables and functions to compare header base name to compilation
1731         unit base name.
1732         * opts.c (should_emit_struct_debug): Add to determine to emit a
1733         structure based on the option.
1734         (dump_struct_debug) Also disabled function to debug this
1735         function.
1736         * opts.c (handle_options): Save the base name of the
1737         compilation unit.
1738
1739         * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
1740         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
1741         This hook indicates if a type is generic.  Set it by default
1742         to "never generic".
1743         * langhooks.h (struct lang_hooks_for_types): Add a new hook
1744         to determine if a struct type is generic or not.
1745         * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
1746         * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
1747         * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
1748         with live C++ hook.
1749
1750         * flags.h (enum debug_info_usage): Add an enumeration to describe
1751         a program's use of a structure type.
1752         * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
1753         to indicate the program's usage of the type.  Filter structs based
1754         on the -femit-struct-debug-... specification.
1755         (gen_type_die): Split into two routines, gen_type_die and
1756         gen_type_die_with_usage.  gen_type_die is now a wrapper
1757         that assumes direct usage.
1758         (gen_type_die_with_usage): Replace calls to gen_type_die
1759         with gen_type_die_with_usage adding the program usage of
1760         the referenced type.
1761         (dwarf2out_imported_module_or_decl): Suppress struct debug
1762         information using should_emit_struct_debug when appropriate.
1763
1764 2007-04-16  Ian Lance Taylor  <iant@google.com>
1765
1766         PR tree-optimization/31522
1767         * tree-vrp.c (vr_phi_edge_counts): New static variable.
1768         (vrp_initialize): Allocate vr_phi_edge_counts.
1769         (vrp_visit_phi_node): Don't push to infinity if we saw a new
1770         executable edge.  Drop test for all constants.
1771         (vrp_finalize): Free vrp_phi_edge_counts.
1772
1773         * doc/cpp.texi (Common Predefined Macros): Clarify description of
1774         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
1775
1776         * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
1777         predecessors at head rather than tail.
1778
1779 2007-04-16  Matthias Klose  <doko@debian.org>
1780
1781         * config/alpha/linux.h (CPP_SPEC): Define.
1782         * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
1783
1784 2007-04-16  Aldy Hernandez  <aldyh@redhat.com>
1785
1786         * function.h: Remove sequence_stack extern declaration.
1787
1788 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
1789
1790         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
1791         TARGET_FIDOA.
1792         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
1793         defined.
1794
1795 2007-04-16  Anatoly Sokolov <aesok@post.ru>
1796
1797         * config/avr/avr.c (avr_arch_types): Rearranging  array.
1798         (enum avr_arch): Add.
1799         (avr_mcu_types): Use avr_arch enumeration constants instead of
1800         numbers.
1801         * config/avr/avr.h (LINK_SPEC): Simplify.
1802
1803 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
1804
1805         * config/m68k/m68k.c (m68k_libcall_value,
1806         m68k_function_value): Use macros for register names more.
1807
1808         * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
1809         instead.
1810         (M68K_REGNAME): Use A6_REG.
1811         * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
1812
1813 2007-04-16  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
1814
1815         PR middle-end/28071
1816         * sched-int.h (struct deps): Split field 'pending_lists_length' into
1817         'pending_read_list_length' and 'pending_write_list_length'.  Update
1818         comment.
1819         * sched-deps.c (add_insn_mem_dependence): Change signature.  Update
1820         to handle two length counters instead of one.  Update all uses.
1821         (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
1822         two length counters instead of one.
1823         * sched-rgn.c (propagate_deps): Update to handle two length counters
1824         instead of one.
1825
1826 2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>
1827
1828         PR target/31582
1829         * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
1830         copy of source, pass it to ix86_expand_vector_set and return
1831         it as target.
1832
1833 2007-04-16  David Ung  <davidu@mips.com>
1834             Joseph Myers  <joseph@codesourcery.com>
1835
1836         * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
1837         PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
1838         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
1839         Add 74K processor information.
1840         * config/mips/mips.md: Include 74k.md.
1841         (cpu): Add 74kc,74kf,74kx.
1842         (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
1843         * config/mips/74k.md: New.
1844         * doc/invoke.texi (MIPS Options): Document 74K support.
1845
1846 2007-04-16  Dorit Nuzman  <dorit@il.ibm.com>
1847
1848         * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
1849         vectorizable_* functions.
1850         * tree-vect-transform.c (vectorizable_call): Add check for
1851         STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
1852         (vectorizable_store): likewise.
1853         (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
1854         Add comments.
1855         (vectorizable_operation, vectorizable_type_demotion): Likewise.
1856         (vectorizable_type_promotion, vectorizable_load): Likewise.
1857         (vectorizable_live_operation, vectorizable_condition): Likewise.
1858         (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
1859         STMT_VINFO_LIVE_P.
1860         (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
1861
1862 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1863
1864         * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
1865         register numbers more.
1866         * config/m68k/m68k.h (STACK_POINTER_REGNUM,
1867         FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
1868         M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
1869         FUNCTION_VALUE_REGNO_P): Likewise.
1870         * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
1871         STATIC_CHAIN_REGNUM): Likewise.
1872         * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
1873         * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
1874         STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
1875         * config/m68k/m68k.md (FP_REG): New.
1876
1877 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1878
1879         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
1880         alignment on fido.
1881
1882 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1883
1884         * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
1885         tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
1886         comment typos.
1887
1888 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
1889
1890         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
1891         cold loops.
1892
1893 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1894
1895         PR c/31520
1896         * c-decl.c (finish_decl): Grab the type of the decl after the call
1897         to store_init_value.
1898
1899 2007-04-14  Steven Bosscher  <steven@gcc.gnu.org>
1900
1901         * common.opt (fforward-propagate): Fix "Optimization" annotation.
1902
1903 2007-04-14  Jakub Jelinek  <jakub@redhat.com>
1904
1905         PR c++/25874
1906         * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
1907         post dominators and cleanup cfg before returning.
1908
1909 2007-04-14  Bernd Schmidt  <bernd.schmidt@analog.com>
1910
1911         * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
1912         * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
1913
1914 2007-04-14  Kazu Hirata  <kazu@codesourcery.com>
1915
1916         * config.gcc: Recognize fido.
1917         * config/m68k/m68k-devices.def (fidoa): New.
1918         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
1919         __mfido__.
1920         (FL_FIDOA, TARGET_FIDOA): New.
1921         * config/m68k/m68k.opt (mfidoa): New.
1922
1923 2007-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1924
1925         PR middle-end/31322
1926         * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
1927         when a personality function is used.
1928
1929 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
1930
1931         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
1932
1933 2007-04-13  Mike Stump  <mrs@apple.com>
1934
1935         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
1936         we can...
1937         * config/darwin.opt (fapple-kext): Make C++ only.
1938         * config/darwin.c (darwin_override_options): Remove code to ensure
1939         -fapple-kext is given for C++ only.
1940
1941 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
1942
1943         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
1944         * config/mips/mips.c (override_options): Call
1945         SUBTARGET_OVERRIDE_OPTIONS, if defined.
1946
1947 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1948
1949         * config/i386/i386.opt (msvr3-shlib): Removed.
1950
1951         * doc/invoke.texi: Remove -msvr3-shlib.
1952
1953 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1954
1955         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
1956         with "popcnt" instruction.
1957
1958 2007-04-13  Richard Guenther  <rguenther@suse.de>
1959
1960         PR tree-optimization/21258
1961         * tree-vrp.c (compare_case_labels): New helper.
1962         (find_switch_asserts): New function.
1963         (find_assert_locations): Call it for SWITCH_EXPRs.
1964
1965 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
1966
1967         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
1968         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
1969         check is now implied in X87_FLOAT_MODE_P.
1970         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
1971         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
1972         (fix_trunc<mode>_i386_fisttp): Ditto.
1973         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
1974         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
1975         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
1976         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
1977         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
1978         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
1979         (unnamed_splitters): Ditto.
1980         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
1981         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
1982         FIRST_SSE_REG for local functions when SSE math is enabled or
1983         for functions with sseregparm attribute.
1984         (standard_80387_constant_p): Return -1 if mode is not
1985         X87_FLOAT_MODE_P.
1986         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
1987         (ix86_expand_compare): Ditto.
1988         (ix86_expand_carry_flag_compare): Ditto.
1989         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
1990         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
1991         DECIMAL_FLOAT_MODE_P.
1992         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
1993         of SCALAR_FLOAT_MODE_P.
1994         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
1995         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
1996         checks before FLOAT_MODE_P.
1997         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
1998         before FLOAT_MODE_P.
1999         [DIV]: Ditto.
2000         [NEG]: Ditto.
2001         [ABS]: Ditto.
2002         [SQRT]: Ditto.
2003         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
2004
2005 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
2006             Charles Wilson  <libtool@cwilson.fastmail.fm>
2007
2008         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
2009         (libgcc.mvars): Don't depend on them.
2010         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
2011         * exec-tool.in: New.
2012
2013 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
2014
2015         * doc/invoke.text (--help): Document --help=common.
2016
2017 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
2018
2019         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
2020
2021 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2022
2023         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
2024         * genemit.c (main): Emit #include "integrate.h".
2025         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
2026         (LOADGP_RTP): New mips_loadgp_style.
2027         * config/mips/mips.h: Include config/vxworks-dummy.h.
2028         (TARGET_RTP_PIC): New macro.
2029         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
2030         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
2031         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
2032         for TARGET_RTP_PIC.
2033         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
2034         -mvxworks-pic when using -mrtp and a PIC option.
2035         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
2036         for RTP PIC.
2037         (mips_symbolic_constant_p, mips_symbolic_address_p)
2038         (mips_symbol_insns): Handle SYMBOL_HALF.
2039         (override_options): Warn about -G and -mrtp being used together.
2040         Initialize mips_lo_relocs[SYMBOL_HALF].
2041         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
2042         (mips_emit_loadgp): Handle LOADGP_RTP.
2043         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
2044         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
2045         (tablejump): Handle function-relative case table entries if
2046         TARGET_RTP_PIC.
2047         * config/mips/predicates.md (symbol_ref_operand): New predicate.
2048
2049 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2050
2051         * config/mips/mips.md (load_call<mode>): Allow any general register.
2052         destination.
2053         (sibcall_value_internal, sibcall_value_multiple_internal)
2054         (call_value_internal, call_value_split, call_value_multiple_internal)
2055         (call_value_multiple_split): Remove constraints from operand 0.
2056
2057 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2058
2059         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
2060         rather than loadgp_noshared.
2061         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
2062         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
2063         gen_loadgp.
2064         * config/mips/mips.md (loadgp): Rename to...
2065         (loadgp_newabi): ...this.
2066         (loadgp_noshared): Rename to...
2067         (loadgp_absolute): ...this.
2068
2069 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2070
2071         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
2072         false for locally-binding symbols.
2073         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
2074
2075 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2076
2077         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
2078         (SYMBOL_GOT_PAGE_OFST): ...this.
2079         (SYMBOL_GOT_GLOBAL): Rename to...
2080         (SYMBOL_GOT_DISP): ...this.
2081         (SYMBOL_GOTOFF_GLOBAL): Rename to...
2082         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
2083         * config/mips/mips.c (mips_global_symbol_p): New function.
2084         (mips_symbol_binds_local_p): Likewise.
2085         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
2086         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use mips_global_symbol_p
2087         and mips_symbol_binds_local_p.
2088         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
2089         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
2090         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
2091         SYMBOL_GOTOFF_DISP.
2092         (mips_ok_for_lazy_binding_p): New function.
2093         (mips_load_call_address, mips_expand_call): Use it.
2094         (mips_dangerous_for_la25_p): Likewise.
2095         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
2096         (*got_disp<mode>): Use got_disp_operand instead of
2097         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
2098         SYMBOL_GOTOFF_GLOBAL.
2099         (*got_page<mode>): Use got_page_ofst_operand instead of
2100         local_got_operand.
2101         * config/mips/predicates.md (const_call_insn_operand): Use
2102         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
2103         (global_got_operand): Rename to...
2104         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
2105         SYMBOL_GOT_GLOBAL.
2106         (local_got_operand): Rename to...
2107         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
2108         of SYMBOL_GOT_LOCAL.
2109
2110 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2111
2112         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
2113         TARGET_CALL_CLOBBERED_GP.
2114         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2115         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
2116         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
2117         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
2118         of TARGET_ABICALLS && !TARGET_NEWABI.
2119         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2120         * config/mips/mips.c (mips_load_call_address): Check
2121         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
2122         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2123         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
2124         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
2125         TARGET_ABICALLS && TARGET_NEWABI.
2126         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
2127         TARGET_ABICALLS.
2128         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
2129         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
2130         TARGET_ABICALLS && TARGET_NEWABI.
2131         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
2132         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
2133         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
2134         whether indirect calls must use $25.
2135         (mips_extra_live_on_entry): Check TARGET_GOT instead of
2136         TARGET_ABICALLS.
2137         * config/mips/mips.md (jal_macro): Check flag_pic and
2138         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
2139         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
2140         instead of TARGET_ABICALLS.
2141         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
2142         TARGET_ABICALLS && TARGET_OLDABI.
2143         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2144         (sibcall): In the comment above the define_insn, mention
2145         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
2146         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
2147         instead of TARGET_ABICALLS.
2148
2149 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
2150
2151         * doc/md.texi (Blackfin family constraints): Document PA and PB.
2152         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
2153         (MACFLAGS_MATCH_P): New macro.
2154         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
2155         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
2156         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
2157         the other MACFLAG constants.
2158         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
2159         (flag_machi): Tighten constraints.  Renumber some of the operands.
2160         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
2161         output template.
2162         (flag_machi_parts_acconly): New pattern.
2163         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
2164         used.
2165         (flag_macinit1hi): Tighten constraints.
2166         (flag_mul_macv2hi_parts_acconly): New pattern.
2167
2168         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
2169         Use a more efficient implementation.
2170         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
2171         inline sequences when not optimizing for size.
2172
2173         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
2174         movhi_high2low): Delete, merge functionality into...
2175         (packv2hi): ... this pattern.
2176
2177         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
2178         * config/bfin/bfin.opt (msim): New option.
2179         (mcpu=): New option.
2180         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
2181         (bfin_cpu_t): Typedef of enum bfin_cpu.
2182         (bfin_cpu_type): New declaration.
2183         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
2184         -msim and -mcpu= options.
2185         (LIB_SPEC): Likewise.
2186         * config/bfin/bfin.c (bfin_cpu_type): Define.
2187         (bfin_handle_option): Handle -mcpu= option.
2188         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
2189         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
2190         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
2191
2192 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2193
2194         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
2195         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
2196         (powerpc-wrs-vxworksae): Use ${tm_file}.
2197         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
2198         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
2199         * config/i386/vx-common.h: New file.
2200
2201 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2202
2203         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
2204         of crt0.o%s.
2205
2206 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2207
2208         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
2209         ldxtr.
2210
2211 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
2212
2213         PR c++/31078
2214         PR c++/31103
2215         * c-common.c (c_build_qualified_type): Set canonical type
2216         appropriately.
2217
2218 2007-04-12  Richard Guenther  <rguenther@suse.de>
2219
2220         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
2221         lower bound and element size if lower bound is not zero
2222         or either of the ARRAY_REF operands is set.
2223
2224 2007-04-12  Richard Guenther  <rguenther@suse.de>
2225
2226         PR tree-optimization/24689
2227         PR tree-optimization/31307
2228         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
2229         indices by value.
2230         * gimplify.c (canonicalize_addr_expr): To be consistent with
2231         gimplify_compound_lval only set operands two and three of
2232         ARRAY_REFs if they are not gimple_min_invariant.  This makes
2233         it never at this place.
2234         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
2235
2236 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2237
2238         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
2239         null before emitting a .nsubspa directive.
2240
2241 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
2242
2243         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
2244         need_to_partition_p if there are no memory statements in the
2245         function.
2246
2247 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
2248
2249         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
2250         (gcd_of_steps_may_divide_p): New function.
2251         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
2252
2253 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2254
2255         * reload.c (find_reloads_toplev, find_reloads_address,
2256         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
2257         not a pointer equality test, to decide if we need to call
2258         push_reg_equiv_alt_mem.
2259
2260 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
2261
2262         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
2263         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
2264         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
2265
2266 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
2267
2268         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
2269         vector to be positive.
2270
2271 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
2272
2273         PR 30735
2274         PR 31090
2275         * doc/invoke.texi: Document --params max-aliased-vops and
2276         avg-aliased-vops.
2277         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
2278         debug_memory_partitions): Move to tree-flow.h
2279         * params.h (AVG_ALIASED_VOPS): Define.
2280         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
2281         users.
2282         (mp_info_t): Likewise.
2283         (get_mem_sym_stats_for): New.
2284         (set_memory_partition): Move from tree-flow-inline.h.
2285         (mark_non_addressable): Only clear the set of symbols for the
2286         partition if it exists.
2287         (dump_memory_partitions): Move from tree-ssa-operands.c
2288         (debug_memory_partitions): Likewise.
2289         (need_to_partition_p): New.
2290         (dump_mem_ref_stats): New.
2291         (debug_mem_ref_stats): New.
2292         (dump_mem_sym_stats): New.
2293         (debug_mem_sym_stats): New.
2294         (update_mem_sym_stats_from_stmt): New.
2295         (compare_mp_info_entries): New.
2296         (mp_info_cmp): Call it.
2297         (sort_mp_info): Change argument to a list of mem_sym_stats_t
2298         objects.
2299         (get_mpt_for): Move from tree-ssa-operands.c.
2300         (find_partition_for): New.
2301         (create_partition_for): Remove.
2302         (estimate_vop_reduction): New.
2303         (update_reference_counts): New.
2304         (build_mp_info): New.
2305         (compute_memory_partitions): Refactor.
2306         Document new heuristic.
2307         Call build_mp_info, update_reference_counts,
2308         find_partition_for and estimate_vop_reduction.
2309         (compute_may_aliases): Populate virtual operands before
2310         calling debugging dumps.
2311         (delete_mem_sym_stats): New.
2312         (delete_mem_ref_stats): New.
2313         (init_mem_ref_stats): New.
2314         (init_alias_info): Call it.
2315         (maybe_create_global_var): Remove alias_info argument.
2316         Get number of call sites and number of pure/const call sites
2317         from gimple_mem_ref_stats().
2318         (dump_alias_info): Call dump_memory_partitions first.
2319         (dump_points_to_info_for): Show how many times a pointer has
2320         been dereferenced.
2321         * opts.c (decode_options): For -O2 set --param
2322         max-aliased-vops to 500.
2323         For -O3 set --param max-aliased-vops to 1000 and --param
2324         avg-aliased-vops to 3.
2325         * fortran/options.c (gfc_init_options): Remove assignment to
2326         MAX_ALIASED_VOPS.
2327         * tree-flow-inline.h (gimple_mem_ref_stats): New.
2328         * tree-dfa.c (dump_variable): Dump memory reference
2329         statistics.
2330         Dump NO_ALIAS* settings.
2331         (referenced_var_lookup): Tidy.
2332         (mem_sym_stats): New.
2333         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
2334         and ORIG are different SSA names for a memory partition.
2335         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
2336         * tree-flow.h (struct mem_sym_stats_d): Define.
2337         (mem_sym_stats_t): Define.
2338         (struct mem_ref_stats_d): Define.
2339         (struct gimple_df): Add field mem_ref_stats.
2340         (enum noalias_state): Define.
2341         (struct var_ann_d): Add bitfield noalias_state.
2342         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
2343         debug_mem_ref_stats, debug_memory_partitions,
2344         debug_mem_sym_stats): Declare.
2345         * tree-ssa-structalias.c (update_alias_info): Update call
2346         sites, pure/const call sites and asm sites in structure
2347         returned by gimple_mem_ref_stats.
2348         Remove local variable IS_POTENTIAL_DEREF.
2349         Increase NUM_DEREFS if the memory expression is a potential
2350         dereference.
2351         Call update_mem_sym_stats_from_stmt.
2352         If the memory references memory, call
2353         update_mem_sym_stats_from_stmt for all the direct memory
2354         symbol references found.
2355         (intra_create_variable_infos): Set noalias_state field for
2356         pointer arguments according to the value of
2357         flag_argument_noalias.
2358         * tree-ssa-structalias.h (struct alias_info): Remove fields
2359         num_calls_found and num_pure_const_calls_found.
2360         (update_mem_sym_stats_from_stmt): Declare.
2361         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
2362         Set default value to 100.
2363         (PARAM_AVG_ALIASED_VOPS): Define.
2364
2365 2007-04-11  Richard Guenther  <rguenther@suse.de>
2366
2367         PR middle-end/31530
2368         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
2369         a * -b + c as c - a * b if we honor sign dependent rounding.
2370
2371 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2372
2373         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
2374         bfin_expand_strmov.
2375         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
2376         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
2377         variables.
2378         (initialize_trampoline): Don't use old-style function definition.
2379         (bfin_secondary_reload): Mark IN_P argument as unused.
2380
2381 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
2382
2383         PR tree-optimization/31343
2384         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
2385         (build_polynomial_chrec): Return a scalar when the evolution is zero.
2386         * testsuite/gcc.dg/vect/pr31343.c: New.
2387
2388 2007-04-10  Eric Christopher  <echristo@apple.com>
2389
2390         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
2391         * config/i386/i386.md (*cmpfp0): Use.
2392         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
2393         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
2394         (fix_trunc<mode>_i386_fisttp): Ditto.
2395         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
2396         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
2397         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
2398         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
2399         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
2400         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
2401         (unnamed_splitters): Ditto.
2402         * config/i386/i386.c (output_fix_trunc): Assert that
2403         we're not being passed a TFmode operand.
2404
2405 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
2406
2407         PR tree-optimization/31526
2408         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
2409         n_basic_blocks to find newly added blocks.
2410
2411 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
2412
2413         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
2414         alternative.
2415         (fix_trunc<mode>si_sse): Ditto.
2416         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
2417         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
2418         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
2419         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
2420         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
2421         expander using SSEMODEF mode macro.
2422         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
2423         expander using SSEMODEF mode macro.
2424         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
2425         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
2426         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
2427         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
2428         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
2429         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
2430         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
2431         Macroize insn using X87MODEF mode macro.
2432
2433 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
2434
2435         * config/i386/sse.md (sse2_pinsrw): Removed.
2436         (sse2_pextrw): Renamed to ...
2437         (*sse2_pextrw): This.
2438
2439 2007-04-09  Jan Hubicka  <jh@suse.cz>
2440
2441         PR target/27869
2442         * config/i386/sse.md
2443         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
2444         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
2445         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
2446         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
2447
2448 2007-04-09  Jan Hubicka  <jh@suse.cz>
2449
2450         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
2451         multiple fields of union.
2452
2453 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
2454
2455         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
2456         (create_preheaders): Check that loops are available.
2457         (fix_loop_structure): Clean up, improve comments.
2458         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
2459         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
2460         state flags.
2461         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
2462         * predict.c (tree_estimate_probability): Do not call
2463         calculate_dominance_info.  Call create_preheaders.
2464         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
2465         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
2466         flags.
2467         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
2468         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
2469         * tree-cfg.c (tree_split_edge): Make an assert more precise.
2470         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
2471         arguments.
2472
2473 2007-04-08  Jan Hubicka  <jh@suse.cz>
2474
2475         * tree.h (maybe_fold_offset_to_component_ref): Declare.
2476         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
2477         * fold-const.c (fold_unary): Use it.
2478
2479 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2480
2481         * varasm.c (assemble_variable): Remove call to
2482         lang_hooks.decls.prepare_assemble_variable.
2483         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
2484         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
2485         * langhooks.h (lang_hooks_for_decls): Remove
2486         prepare_assemble_variable.
2487
2488 2007-04-08  Mike Stump  <mrs@apple.com>
2489
2490         * config/i386/i386.c: Use inc/dec on Core2.
2491
2492 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
2493
2494         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
2495         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
2496         lhd_tree_inlining_end_inlining): Remove.
2497         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
2498         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
2499         end_inlining hooks.
2500         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
2501         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
2502         lhd_tree_inlining_end_inlining): Remove prototypes.
2503         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
2504         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
2505         LANG_HOOKS_TREE_INLINING_START_INLINING,
2506         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
2507
2508         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
2509         not set it.
2510
2511 2007-04-08  Anatoly Sokolov <aesok@post.ru>
2512
2513         PR target/29932
2514         * config/avr/predicates.md (io_address_operand): Delete predicate.
2515         (low_io_address_operand): Don't use 'mode' argument.
2516         (higth_io_address_operand): Rename ...
2517         (high_io_address_operand): ... to this. Don't use 'mode' argument.
2518         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
2519         for above change.
2520
2521 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
2522
2523         Revert change removing staticp.
2524
2525 2007-04-07  Anatoly Sokolov <aesok@post.ru>
2526
2527         PR target/30289
2528         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
2529         earlyclobber.
2530
2531 2007-04-07  Bruce Korb  <bkorb@gnu.org>
2532
2533         * c.opt: Add -Wformat-contains-nul.
2534         * c-format.c (set_Wformat):  Set warn_format_contains_nul to the
2535           -Wformat setting.
2536         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
2537         the NUL byte warning.
2538
2539 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
2540
2541         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
2542
2543 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
2544
2545         * tree.c (staticp): No longer use staticp langhook.
2546         * langhooks.c (lhd_staticp): Removed.
2547         * langhooks.h (struct lang_hooks): Remove staticp.
2548         * c-common.c (c_staticp): Remove.
2549         * c-common.h (c_staticp): Ditto.
2550         * langhooks-defs.h (lhd_staticp): Ditto.
2551         (LHD_HOOKS_STATICP): Ditto
2552         * tree.h (gcc_assert_lowered): New macro.
2553
2554 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
2555
2556         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
2557         argument "reliable".
2558         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
2559         Add argument "reliable".  Propagate it through calls.
2560         (infer_loop_bounds_from_undefined):  Derive number of iterations
2561         estimates from references in blocks that do not dominate loop latch.
2562         (gcov_type_to_double_int): New function.
2563         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
2564         and expected_loop_iterations_unbounded.
2565         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
2566         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
2567         * tree-data-ref.c (estimated_loop_iterations): Export.
2568         (get_references_in_stmt): Fix -- do not return addresses of local
2569         objects.
2570         * cfgloop.h (expected_loop_iterations_unbounded,
2571         estimated_loop_iterations): Declare.
2572
2573 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
2574
2575         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
2576
2577 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
2578
2579         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
2580         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
2581         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
2582         Use output_387_reg_move().
2583         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
2584         expander using X87MODEF12 mode macro.
2585         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
2586         choosing register preferences.  Use output_387_reg_move().
2587         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
2588         instead of "x".  Use output_387_reg_move().
2589         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
2590         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
2591         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
2592         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
2593         Use output_387_reg_move().
2594         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
2595         mode macro.
2596         (*truncxf?f_i387 splitter): Ditto.
2597
2598 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
2599
2600         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
2601         LANG_HOOKS_SAFE_FROM_P.
2602         * expr.c (safe_from_p): Remove langhook call.
2603         * langhooks.h (lang_hooks): Remove safe_from_p.
2604         (lhd_safe_from_p): Remove prototype.
2605         * langhooks.c (lhd_safe_from_p): Remove.
2606
2607 2007-04-06  Jan Hubicka  <jh@suse.cz>
2608
2609         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
2610         functions.
2611
2612 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
2613
2614         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
2615         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
2616         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
2617         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
2618         alternative.
2619         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
2620         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
2621
2622 2007-04-05  Richard Henderson  <rth@redhat.com>
2623
2624         * config/alpha/alpha.c (print_operand) [+]: Remove.
2625         (alpha_end_function): Print nop if call at end of function.
2626         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
2627         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
2628         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
2629         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
2630         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
2631         the call pattern. Update peepholes to match.
2632
2633 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
2634
2635         * doc/extend.texi (Other Builtins): Add decimal float variants
2636         of signbit.
2637         * builtins.def: Ditto.
2638         * builtins.c (expand_builtin): Ditto.
2639
2640 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
2641             H.J. Lu  <hongjiu.lu@intel.com>
2642
2643         PR target/31478
2644         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
2645         of V8HImode when calling ix86_binary_operator_ok.
2646         (sse2_pmaddwd): Call ix86_binary_operator_ok.
2647         (sdot_prodv8hi): Operands 1 and 2 must be register.
2648
2649 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2650
2651         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
2652         initialize align to silence bogus warning.
2653
2654 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2655
2656         PR middle-end/22156
2657         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
2658         all_no_warning.
2659         (struct sra_walk_fns): Remove use_all parameter from use.
2660         (sra_hash_tree): Handle BIT_FIELD_REFs.
2661         (sra_elt_hash): Don't hash bitfld blocks.
2662         (sra_elt_eq): Skip them in parent compares as well.  Handle
2663         BIT_FIELD_REFs.
2664         (sra_walk_expr): Don't maintain or pass down use_all_p.
2665         (scan_use): Remove use_all parameter.
2666         (scalarize_use): Likewise.  Re-expand assignment to
2667         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
2668         output, and re-scalarize after output.  Don't mark anything
2669         for no warning.
2670         (scalarize_ldst): Adjust.
2671         (scalarize_walk_gimple_modify_statement): Likewise.
2672         (build_element_name_1): Handle BIT_FIELD_REFs.
2673         (instantiate_element): Don't warn for any element whose parent
2674         is used as a whole.
2675         (instantiate_missing_elements_1): Return the sra_elt.
2676         (canon_type_for_field): New.
2677         (try_instantiate_multiple_fields): New.
2678         (instantiate_missing_elemnts): Use them.
2679         (mark_no_warning): Removed.
2680         (generate_one_element_ref): Handle BIT_FIELD_REFs.
2681         (REPLDUP, sra_build_elt_assignment): New.
2682         (generate_copy_inout): Use them.
2683         (generate_element_copy): Likewise.  Handle bitfld differences.
2684         (generate_element_zero): Don't recurse for blocks.  Use
2685         sra_build_elt_assignment.
2686         (generate_one_element_int): Take elt instead of var.  Use
2687         sra_build_elt_assignment.
2688         (generate_element_init_1): Adjust.
2689         (scalarize_use, scalarize_copy): Use REPLDUP.
2690         (scalarize_ldst): Move assert before dereference.
2691         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
2692
2693 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
2694
2695         * regmove.c: Fix unused variable warnings due to previous commit.
2696
2697 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
2698
2699         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
2700         (regmove_bb_head): Remove.
2701         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
2702         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
2703         problems with fixup_match_1.
2704         Don't initialize/free regmove_bb_head.
2705
2706         (reg_is_remote_constant_p): If an insn is in the same basic block
2707         but not before INSN, consider it remote, too.
2708
2709 2007-04-05  Anatoly Sokolov <aesok@post.ru>
2710
2711         PR target/25448
2712         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
2713         DECL_ASSEMBLER_NAME, not the DECL_NAME.
2714
2715 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
2716
2717         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
2718         (CONDITIONAL_REGISTER_USAGE): Likewise.
2719
2720 2007-04-04  Richard Henderson  <rth@redhat.com>
2721
2722         * config/alpha/lib1funcs.asm: Remove unused file.
2723
2724 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2725
2726         PR other/31356
2727         * opts.c (print_specific_help): Fix --help=<language>
2728         header line.
2729         (common_handle_option): Support --help=common.
2730
2731 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2732
2733         PR other/31353
2734         * gcc.c (main): Do not run the linker if
2735         print_subprocess_help indicates that it shouldn't be
2736         run.
2737
2738 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2739
2740         PR doc/31355
2741         * doc/invoke.texi (--help=): Document <languages> value, fix
2742         formatting in tables of values.
2743
2744 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
2745
2746         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
2747         dllimport attribute of virtual methods.
2748
2749 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
2750
2751         * config/score/crti.asm: Change _bss_start to __bss_start.
2752         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
2753         (OUTGOING_REG_PARM_STACK_SPACE) update.
2754         * config/score/score.opt: add options to make backend support
2755         score5, score5u, score7 and score7d.
2756         * config/score/score.md: Likewise.
2757         * config/score/misc.md: Likewise.
2758         * config/score/mac.md: Likewise.
2759         * doc/invoke.texi: Likewise.
2760         * doc/md.texi: update constraints define.
2761
2762 2007-04-03  Richard Henderson  <rth@redhat.com>
2763
2764         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
2765         an appropriate type, use the mode instead.
2766
2767 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
2768
2769         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
2770         Set the default --with-arch setting to mips2.
2771         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
2772         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
2773         (MULTILIB_OSDIRNAMES): Delete.
2774         (MULTILIB_DIRNAMES): Define.
2775         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
2776         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
2777         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
2778         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
2779         VXWORKS_OS_CPP_BUILTINS.
2780         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
2781         (MIPS_DEBUGGING_INFO): Undefine.
2782         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
2783
2784 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
2785
2786         PR middle-end/30704
2787         * fold-const.c (native_encode_real): Encode real.c provided longs
2788         as a series of 32-bit native integers.
2789         (native_interpret_real): Interpret buffer as a series of 32-bit
2790         native integers.
2791
2792 2007-04-03  Richard Guenther  <rguenther@suse.de>
2793
2794         * genpreds.c (write_insn_constraint_len): Write function
2795         optimized for CONSTRAINT_LEN implementation.
2796         (write_tm_preds_h): Output insn_constraint_len inline and
2797         use it for CONSTRAINT_LEN.
2798         (write_insn_preds_c): Don't output insn_constraint_len.
2799         * doc/md.texi (define_register_constraint): Document multi-letter
2800         constraints shall have the same length if they start with the same
2801         letter.
2802
2803 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
2804
2805         PR target/31175
2806         * config/i386/i386.md (isinf<mode>2): Expand only when
2807         TARGET_C99_FUNCTIONS is set.
2808
2809 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
2810
2811         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
2812         (x86_64-*-linux*): Ditto.
2813         * config/i386/i386.opt (mpc): New option.
2814         * config/i386/i386.c (overrride_options): Handle
2815         ix87_precision_string.
2816         * config/i386/crtprec.c: New file.
2817         * config/i386/t-crtpc: Ditto.
2818         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
2819         and -mpc80 options.
2820         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
2821         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
2822         crtprec32.o, crtprec64.o and crtprec80.o.
2823
2824         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
2825         and -mpc80 options.
2826         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
2827
2828 2007-04-02  Eric Christopher  <echristo@apple.com>
2829
2830         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
2831         limitations on darwin.
2832
2833 2007-04-02  Anatoly Sokolov <aesok@post.ru>
2834
2835         PR target/31137
2836         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
2837
2838 2007-04-02  Dave Korn  <dave.korn@artimi.com>
2839
2840         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
2841
2842 2007-04-02  Dave Korn  <dave.korn@artimi.com>
2843
2844         * libgcc2.h (exception_descriptor): Don't forward-declare.
2845         (__get_eh_table_language, __get_eh_table_version): Delete
2846         prototypes of long-dead functions.
2847
2848 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
2849
2850         * ebitmap.h: New file
2851         * ebitmap.c: New file
2852         * Makefile.in (ebitmap.o): New target.
2853
2854 2007-04-01  Jan Hubicka  <jh@suse.cz>
2855
2856         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
2857         before very first instruction.
2858
2859 2007-04-01  Jan Hubicka  <jh@suse.cz>
2860
2861         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
2862         waring on 64bit hosts.
2863         * bitmap.h: Fix typo in bitmap_head_def.
2864
2865 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
2866
2867         PR rtl-optimization/31391
2868         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
2869         into a DELETED_LABEL note, and the label is in an empty basic
2870         block, update BB_END as well as BB_HEAD.
2871
2872 2007-04-01  Richard Henderson  <rth@redhat.com>
2873
2874         PR tree-optimization/31169
2875         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
2876         to varying if the range is outside [0,  prec-1].
2877
2878 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
2879
2880         PR target/31388
2881         * config/mips/mips.md (load_const_gp): New insn.
2882         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
2883         the MIPS16 GP pseudo register if no_new_pseudos.
2884         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
2885
2886 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2887
2888         PR target/31364
2889         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
2890         secureplt.
2891         (call_value): Likewise.
2892
2893 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
2894             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2895
2896         PR 14737
2897         * doc/invoke.texi: (optimization options): Reword description
2898         of -ffast-math. Document its primary purpose.
2899
2900 2007-03-31  Richard Guenther  <rguenther@suse.de>
2901
2902         * omp-low.c (splay-tree.h): Include.
2903         (lookup_decl): Replace splay-tree usage by pointer-map.
2904         (maybe_lookup_decl): Likewise.
2905         (new_omp_context): Likewise.
2906         (delete_omp_context): Likewise.
2907         * gimplify.c (splay-tree.h): Include.
2908         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
2909         pointer-map.
2910         (remap_ssa_name): Likewise.
2911         (remap_decl): Likewise.
2912         (remap_type_1): Likewise.
2913         (remap_type): Likewise.
2914         (copy_body_r): Likewise.
2915         (expand_call_inline): Likewise.
2916         (clone_body): Likewise.
2917         (copy_tree_r): Likewise.
2918         (remap_save_expr): Likewise.
2919         (unsave_r): Likewise.
2920         (unsave_expr_now): Likewise.
2921         (tree_function_versioning): Likewise.
2922         (build_duplicate_type): Likewise.
2923         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
2924         (struct copy_body_data): Replace splay-tree by pointer-map.
2925         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
2926         not $(SPLAY_TREE_H).
2927         (gimplify.o): Depend on $(SPLAY_TREE_H).
2928         (omp-low.p): Likewise.
2929
2930 2007-03-31  Anatoly Sokolov <aesok@post.ru>
2931
2932         * config/avr/predicates.md (even_register_operand,
2933         odd_register_operand): New predicates.
2934         * config/avr/avr.md (movw peephole2): New.
2935         (movw_r peephole2): New.
2936
2937 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
2938
2939         * tree.h (get_signed_or_unsigned_type): New.
2940         * fold-const.c (operand_equal_for_comparison_p): Use
2941         get_signed_or_unsigned_type instead of
2942         lang_hooks.types.signed_or_unsigned_type.
2943         * expr.c (store_expr): Ditto.
2944         * langhooks.c (get_signed_or_unsigned_type): New.
2945         (lhd_signed_or_unsigned_type): New.
2946         * langhooks.h (lhd_signed_or_unsigned_type): New.
2947         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
2948
2949 2007-03-30  Richard Henderson  <rth@redhat.com>
2950
2951         * tree-ssa-loop-ivopts.c: Include target.h.
2952         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
2953         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
2954         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
2955         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
2956
2957 2007-03-30  Richard Henderson  <rth@redhat.com>
2958             Kai Tietz  <kai.tietz@onevision.com>
2959
2960         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
2961         default for 64-bit.
2962         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
2963         (TARGET_64BIT_MS_ABI): New.
2964         (DBX_REGISTER_NUMBER): Handle 64-bit.
2965         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
2966         (LONG_TYPE_SIZE): Force to 32.
2967         (REG_PARM_STACK_SPACE): New.
2968         (OUTGOING_REG_PARM_STACK_SPACE): New.
2969         (REGPARM_MAX, SSE_REGPARM_MAX): New.
2970         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
2971         (STACK_BOUNDARY): Use 128 for 64-bit.
2972         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
2973         Add 64-bit implementation.
2974         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
2975         argument unused.
2976         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
2977         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
2978         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
2979         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
2980         (ix86_handle_cconv_attribute): Don't warn when ignoring if
2981         TARGET_64BIT_MS_ABI.
2982         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
2983         (ix86_pass_by_reference): Likewise.
2984         (ix86_function_value_regno_p): Likewise.
2985         (ix86_build_builtin_va_list): Likewise.
2986         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2987         (function_arg_advance_ms_64): New.
2988         (function_arg_advance): Call it.
2989         (function_arg_ms_64): New.
2990         (function_arg): Call it.
2991         (function_value_ms_64): New.
2992         (ix86_function_value_1): Call it.
2993         (return_in_memory_ms_64): New.
2994         (ix86_return_in_memory): Call it.
2995         (setup_incoming_varargs_ms_64): New.
2996         (ix86_setup_incoming_varargs): Call it.
2997         (ix86_expand_prologue): Handle 64-bit stack probing.
2998         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
2999         (output_pic_addr_const): Likewise.
3000         (x86_this_parameter): Likewise.
3001         (x86_output_mi_thunk): Likewise.
3002         (x86_function_profiler): Likewise.
3003         (TARGET_STRICT_ARGUMENT_NAMING): New.
3004         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
3005         (TARGET_64BIT_MS_ABI): New.
3006         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
3007         * config/i386/i386.md (allocate_stack_worker): Remove.
3008         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
3009         describe the clobber of eax without a match_scratch.
3010         (allocate_stack_worker_postreload): Remove.
3011         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
3012         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
3013         (allocate_stack_worker_rex64_postreload): Remove.
3014         (allocate_stack): Handle 64-bit.
3015         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
3016         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
3017         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
3018         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
3019         (STANDARD_STARTFILE_PREFIX_1): Likewise.
3020         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
3021         * config.build (x86_64-*-mingw*): New host.
3022         * config.host (x86_64-*-mingw*): New host.
3023         * config.gcc (x86_64-*-mingw*): New target.
3024         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
3025
3026 2007-03-30  Richard Henderson  <rth@redhat.com>
3027             Kai Tietz  <kai.tietz@onevision.com>
3028
3029         * c-pragma.c (struct def_pragma_macro_value): New.
3030         (struct def_pragma_macro): New.
3031         (pushed_macro_table): New.
3032         (dpm_hash, dpm_eq): New.
3033         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
3034         (init_pragma): Install them.
3035         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
3036
3037 2007-03-30  Anatoly Sokolov <aesok@post.ru>
3038
3039         * config/avr/avr.c (avr_override_options): Clear
3040         'flag_delete_null_pointer_checks'.
3041
3042 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
3043
3044         PR c++/26099
3045         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
3046         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
3047         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
3048         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
3049         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
3050         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
3051         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
3052         C++ extensions.
3053         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
3054
3055 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
3056
3057         * regmove.c: Move all of pass_stack_adjustments from here...
3058         * combine-stack-adj.c: ...to this new file.
3059         * Makefile.in: Add rules for combine-stack-adj.o.
3060
3061 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
3062
3063         PR tree-optimization/31383
3064         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
3065         to have the same length.
3066
3067 2007-03-30  Jan Hubicka  <jh@suse.cz>
3068
3069         PR middle-end/30700
3070         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
3071         availablility; add more sanity checking; ask varpool only about
3072         VAR_DECL.
3073
3074 2007-03-29  Richard Henderson  <rth@redhat.com>
3075
3076         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
3077         to decide, but __SIZEOF_LONG_LONG__.
3078
3079 2007-03-29  Richard Henderson  <rth@redhat.com>
3080
3081         * emutls.c (struct __emutls_array): New.
3082         (emutls_destroy): Use it instead of casting element 0 from void*.
3083         (__emutls_get_address): Likewise.
3084
3085 2007-03-29  Richard Henderson  <rth@redhat.com>
3086
3087         * varasm.c (initializer_constant_valid_p): Don't deny
3088         DECL_DLLIMPORT_P on functions.
3089
3090         * config/i386/cygming.h: Remove function declarations.
3091         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
3092         (ASM_OUTPUT_LABELREF): Remove.
3093         (COMMON_ASM_OP): Remove.
3094         (ASM_OUTPUT_COMMON): Remove.
3095         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
3096         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
3097         (ASM_DECLARE_FUNCTION_NAME): Likewise.
3098         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
3099         Rename from TARGET_ENCODE_SECTION_INFO.
3100         * config/i386/netware.h: Likewise.
3101         * config/i386/i386-protos.h: Update.
3102         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
3103         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
3104         (legitimate_constant_p): Reject dllimports.
3105         (dllimport_map, get_dllimport_decl): New.
3106         (legitimize_dllimport_symbol): New.
3107         (legitimize_address, ix86_expand_move): Use it.
3108         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
3109         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
3110         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
3111         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
3112         * config/i386/predicates.md (constant_call_address_operand): Only
3113         accept symbols; reject dllimport_p symbols.
3114         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
3115         i386_pe_maybe_record_exported_symbol.
3116         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
3117         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
3118         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
3119         trust the setting of DECL_DLLIMPORT_P.
3120         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
3121         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
3122         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
3123         tidy the argument scanning loop.
3124         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
3125         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
3126         (i386_pe_strip_name_encoding): Remove.
3127         (i386_pe_binds_local_p): New.
3128         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
3129         (i386_pe_output_labelref): Remove.
3130         (i386_pe_asm_output_aligned_decl_common): New.
3131         (i386_pe_maybe_record_exported_symbol): Rename from
3132         i386_pe_record_exported_symbol; check for dllexported symbols.
3133
3134 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
3135
3136         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
3137         add comment explaining why vsnprintf cannot be used.
3138
3139 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
3140
3141         PR tree-optimization/30666
3142         * tree.c (build_complex_type): When creating type names for DWARF2
3143         debug info, create TYPE_DECLs for TYPE_NAME instead of
3144         IDENTIFIER_NODEs.
3145         (build_common_tree_nodes_2): Use build_complex_type when building
3146         predefined complex types, to preserve canonical types.
3147
3148 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
3149
3150         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
3151         (noce_get_alt_condition): Look at it to determine whether to
3152         reverse the condition or not.
3153         (noce_get_condition): Substitute the truth for lies.
3154         (noce_find_if_block): Set the then_else_reversed field.
3155
3156 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
3157
3158         * config/fr30/fr30.md (movdi): Do not accept immediates as the
3159         destination of this insn.
3160         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
3161         than calling gen_rtx_SET directly.  Use r0 to hold the value of
3162         'address + 4' rather than a stack based temporary which can be
3163         mis-optimized away.
3164
3165 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
3166
3167         * config/s390/s390.c (s390_secondary_input_reload_class,
3168         s390_secondary_output_reload_class): Functions removed.
3169         (s390_secondary_reload): New function.
3170         (TARGET_SECONDARY_RELOAD): Target macro defined.
3171         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
3172         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
3173         * config/s390/s390.md ("reload_outti", "reload_outdi",
3174         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
3175         "reload_out<mode>"): Expanders removed.
3176         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
3177         "reload<mode>_nonoffmem_out"): Expanders added.
3178
3179 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
3180
3181         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
3182         SRC->DEST replacement failed anyway.
3183
3184 2007-03-28  Mike Stump  <mrs@apple.com>
3185
3186         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
3187         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
3188         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
3189
3190 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3191
3192         * config.gcc: Accept barcelona as a variant of amdfam10.
3193         * config/i386/i386.c (override_options): Likewise.
3194         * doc/invoke.texi: Likewise.
3195
3196 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
3197
3198         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
3199         offsets for BIT_FIELD_REF and COMPONENT_REF.
3200
3201 2007-03-28  Richard Guenther  <rguenther@suse.de>
3202
3203         * tree.c (is_global_var): Move ...
3204         * tree-flow-inline.h (is_global_var): ... here.
3205         * tree.h (is_global_var): Remove declaration.
3206
3207 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
3208
3209         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
3210         option.
3211         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
3212         * config/i386/i386.c (ix86_tune_features): Initialize new
3213         tuning option.
3214         * config/i386/predicates.md (promotable_binary_operator): Use
3215         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
3216
3217 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
3218
3219         PR target/31380
3220         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
3221
3222 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
3223
3224         * config/fr30/fr30.md (movsi_internal): Change destination
3225         constraint from m to V and add m to the end.
3226
3227 2007-03-28  Christian Bruel  <christian.bruel@st.com>
3228
3229         * config/sh/sh.md (movsi_i): Fix type attribute.
3230
3231 2007-03-28  Christian Bruel  <christian.bruel@st.com>
3232
3233         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
3234         (movsf_ie): Likewise.
3235
3236 2007-03-28  Christian Bruel  <christian.bruel@st.com>
3237
3238         * config.gcc: Add sh4-300 to multilib.
3239         * config/sh/t-mlib-sh4-300: New file.
3240
3241 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
3242
3243         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
3244         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
3245         fix_trunc<mode>di2.
3246         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
3247         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
3248         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
3249         "fixuns_trunctddi2"): Whitespace fix.
3250
3251 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
3252
3253         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
3254         the definition of struct sh_args.
3255         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
3256         CALL_COOKIE_INT_REG_GET): Likewise.
3257
3258 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
3259
3260         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
3261         transformations are applied successfully.
3262
3263 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
3264
3265         * tree.c (tree_contains_struct): Permit 512 tree codes.
3266         * tree.h (tree_contains_struct): Ditto.
3267         (MAX_TREE_CODES): Ditto.
3268         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
3269         SPARE member to store remaining padding bits.
3270
3271 2007-03-27  Anatoly Sokolov <aesok@post.ru>
3272
3273         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
3274         architecture.
3275
3276 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
3277
3278         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
3279         * configure: Regenerate.
3280
3281         * configure: Regenerate using the correct version of autoconf.
3282
3283 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
3284
3285         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
3286         pointer regs.
3287         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
3288         regs to "__SP_L__" and "__SP_H__".
3289
3290 2007-03-27  Richard Guenther  <rguenther@suse.de>
3291
3292         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
3293         computations with it with a HOST_WIDE_INT variable.
3294
3295 2007-03-26  Mike Stump  <mrs@apple.com>
3296
3297         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
3298         objective-c-header, objective-c++-header and objc++-cpp-output
3299         support.
3300         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
3301
3302 2007-03-26  Richard Henderson  <rth@redhat.com>
3303
3304         PR target/31361
3305         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
3306         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
3307         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
3308         IX86_BUILTIN_PSRLQ128): New.
3309         (ix86_init_mmx_sse_builtins): Add them.
3310         (ix86_expand_builtin): Expand them.
3311         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
3312         operand 2 be TImode.
3313         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
3314         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
3315         _mm_srli_epi64): Mark __B const.
3316         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
3317         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
3318         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
3319         new two-vector shift builtins.
3320
3321 2007-03-26  Ian Lance Taylor  <iant@google.com>
3322
3323         PR tree-optimization/31345
3324         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
3325         [+INF, +INF(OVF)] into VARYING.
3326
3327 2007-03-26  Zack Weinberg  <zackw@panix.com>
3328
3329         * gengtype-parse.c: New file.
3330         * gengtype-yacc.y: Delete.
3331         * gengtype-lex.l: Don't include gengtype-yacc.h.
3332         Define YY_DECL and yyterminate appropriately for recursive
3333         descent parser.  yylval is now a string out-parameter to yylex.
3334         (HWS, EOID): New shorthand.
3335         (IWORD): Add a couple more types.
3336         (yylex): Add a setup stanza.  Remove the complex rules for
3337         detecting GTY'ed types and typedefs; replace with simple
3338         keyword detectors.  Adjust everything for the changed
3339         definition of yylval.  Ignore all pp-directives, not just #define.
3340         (yyerror): Delete.
3341         (parse_file): Rename yybegin; do not call yyparse.
3342         (yyend): New.
3343         * gengtype.c (xasprintf): Export again.
3344         (this_file): New.  Use everywhere __FILE__ was being used.
3345         (get_lang_bitmap): Special case types defined in gengtype.c.
3346         (do_typedef, new_structure): Suppress definition of certain types.
3347         (new_structure): Improve diagnostics of duplicate definitions.
3348         Make sure location_s is associated with input.h.
3349         (nreverse_pairs, define_location_structures): New functions.
3350         (main): Improve tagging of kludge types.  Remove old kludges
3351         for input.h types; use define_location_structures.
3352         * gengtype.h: Update prototypes.  Define token codes here.
3353         * Makefile.in: Remove all references to gengtype-yacc.
3354         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
3355         and gengtype.
3356         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
3357         add GTY((skip)) to the field that's only conditionally there.
3358         * doc/install.texi: Document that Bison is no longer required
3359         unless building treelang.
3360
3361         * gengtype.c: Don't include gtyp-gen.h.
3362         (srcdir): Declare here.
3363         (base_files, lang_dir_names): Allocate dynamically.
3364         (gt_files, num_gt_files, num_lang_dirs): New globals.
3365         (measure_input_list, read_input_line, read_input_list)
3366         (set_lang_bitmap): New functions.
3367         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
3368         simplify, relying on read_input_list to set up the bitmaps.
3369         (main): Arguments are no longer unused.  Check for correct number
3370         of command line arguments, set srcdir and srcdir_len, then call
3371         read_input_list, before doing anything else.  No need to worry
3372         about duplicates in main loop.
3373         * configure.ac: Simplify the calculation of all_gtfiles.
3374         Put language tags in there.  Don't set or substitute
3375         all_gtfiles_files_langs or all_gtfiles_files_frags.
3376         * Makefile.in: Revamp the way gengtype is invoked, now that it
3377         takes a file on its command line with a much simpler format.
3378         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
3379         (GTFILES): Remove duplicates and C source files.
3380         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
3381         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
3382         * configure: Regenerate.
3383
3384         * gengtype.h: Remove all type definitions to gengtype.c; leave
3385         only definitions of options_p, type_p, and pair_p as opaque
3386         pointers.  Update prototypes.
3387         * gengtype.c: Many type definitions moved here from gengtype.h.
3388         Consolidate type definitions at the top of the file.
3389         (xvasprintf): Delete.
3390         (xasprintf): Make static.
3391         (create_nested_pointer_option): Add 'next' parameter.
3392         (create_field_all, create_field_at): New functions.
3393         (create_field): Now a thin wrapper around create_field_all.
3394         (create_optional_field): Rename create_optional_field_ and add
3395         line argument.  Original name is now a macro which supplies
3396         __LINE__.
3397         (oprintf): Use vsnprintf directly.
3398         (close_output_files): Use fatal rather than perror/exit.
3399         (note_def_vec, note_def_vec_alloc): Use create_field_at.
3400         (main): Set progname.  Don't use exit.
3401         * gengtype-yacc.y (struct_fields): Use create_field_at.
3402         (option, optionseqopt): Delete.
3403         (optionseq): Consolidate productions from option here so we
3404         can use the first argument to create_option.
3405
3406         * gengtype-lex.l: Distinguish unions from structures in the
3407         token type.  Don't call find_structure; return the tag as a string.
3408         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
3409         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
3410         Reorganize typedef_struct production accordingly.
3411         Use create_nested_ptr_option.
3412         * gengtype.c (create_nested_ptr_option): New function.
3413         * gengtype.h: Declare it.
3414
3415         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
3416         (string_type): Don't declare.
3417         (do_scalar_typedef): Declare.
3418         (create_scalar_type): Update prototype.
3419         * gengtype.c (string_type): Make static.
3420         (scalar_nonchar, scalar_char): New.
3421         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
3422         (resolve_typedef): Use scalar_nonchar for error recovery.
3423         (create_scalar_type): Remove name_len field.  Return scalar_char
3424         or scalar_nonchar as appropriate.
3425         (adjust_field_type): Look at scalar_is_char boolean to decide whether
3426         to use string_type.
3427         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
3428         whenever possible.
3429         (main): Initialize scalar_char and scalar_nonchar before calling
3430         gen_rtx_next.
3431         * gengtype-lex.l: Adjust for removal of second argument to
3432         create_scalar_type.  Use yylval.s instead of yylval.t when
3433         returning SCALAR.
3434         * gengtype-yacc.y: Type of SCALAR is string.  Call
3435         create_scalar_type from type:SCALAR rule.  Adjust for removal of
3436         second argument to create_scalar_type.
3437
3438         * vec.h: Remove all #if IN_GENGTYPE blocks.
3439         Add comment saying that changes may require adjustments to gengtype.
3440         * gengtype.c: Don't include coretypes.h or tm.h.
3441         Add comment to inclusion of errors.h.
3442         (note_def_vec, note_def_vec_alloc): New functions.
3443         * gengtype.h: Declare new functions.
3444         * gengtype-lex.l: Don't include coretypes.h.
3445         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
3446         Delete.
3447         (update_lineno): Remove unnecessary prototype.
3448         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
3449         (VEC rule): Just return VEC_TOKEN.
3450         * gengtype-yacc.y (VEC_TOKEN): New token type.
3451         (type): Add a production for VEC(a,b).
3452         * Makefile.in: Update dependencies.
3453
3454         * gengtype-lex.l: Remove rules for parsing pointer-to-function
3455         typedefs that use the old PARAMS macro.
3456
3457         * gengtype-lex.l: Remove all rules and states relating to yacc
3458         input files.
3459         * gengtype-yacc.y: Similarly.
3460         * gengtype.c (note_yacc_type): Delete function.
3461         * gengtype.h: Update prototypes.
3462
3463 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
3464
3465         * tree-pretty-print.c (dump_generic_node): Report precision of
3466         unnamed integer types.
3467
3468 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
3469
3470         * ifcvt.c (noce_try_store_flag_constants): Don't check
3471         no_new_pseudos here.
3472         (noce_try_store_flag_constants): Don't check no_new_pseudos.
3473         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
3474         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
3475         noce_try_sign_mask): Likewise.
3476         (if_convert): Check no_new_pseudos here.
3477
3478         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
3479         Remove prototypes.
3480         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
3481         (noce_get_condition): Handle new then_else_reversed argument.
3482         (noce_init_if_info): Remove, fold into noce_find_if_block.
3483         (noce_process_if_block): Take a struct noce_if_info as the
3484         argument.  Don't set up one based on ce_if_info.  Update pointer
3485         references accordingly.
3486         (cond_move_process_if_block): Likewise.
3487         (process_if_block): Removed.
3488         (find_if_block): Removed.  Move functionality two new functions,
3489         noce_find_if_block and cond_exec_find_if_block.
3490         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
3491         blocks and the symmetric IF-ELSE-JOIN case.
3492         (cond_exec_find_if_block): Also new function mostly based on old
3493         find_if_block and process_if_block.
3494         (find_if_header): Replace find_if_block call with separately
3495         guarded calls to noce_find_if_block and cond_exec_find_if_block.
3496         (find_cond_trap): Update noce_get_condition call.
3497         (dead_or_predicable): Likewise.
3498
3499 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
3500
3501         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
3502         Remove.
3503         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
3504         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
3505         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
3506         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
3507         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
3508         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
3509         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
3510         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
3511         __builtin_ia32_psrad128 builtins.
3512
3513 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
3514
3515         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
3516         * config/i386/constraints.md
3517         (define_constraint "I"): Use IN_RANGE macro.
3518         (define_constraint "J"): Ditto.
3519         (define_constraint "K"): Ditto.
3520         (define_constraint "M"): Ditto.
3521         (define_constraint "N"): Ditto.
3522         (define_constraint "O"): Ditto.
3523         * config/i386/predicates.md
3524         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
3525         (define_predicate "const_0_to_3_operand"): Ditto.
3526         (define_predicate "const_0_to_7_operand"): Ditto.
3527         (define_predicate "const_0_to_15_operand"): Ditto.
3528         (define_predicate "const_0_to_63_operand"): Ditto.
3529         (define_predicate "const_0_to_255_operand"): Ditto.
3530         (define_predicate "const_1_to_31_operand"): Ditto.
3531         (define_predicate "const_2_to_3_operand"): Ditto.
3532         (define_predicate "const_4_to_7_operand"): Ditto.
3533
3534 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
3535
3536         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
3537         in SImode for save_world.
3538         * config/rs6000/altivec.md (save_world, restore_world): Convert to
3539         LR hard reg.
3540
3541 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
3542
3543         PR tree-optimization/30784
3544         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
3545         BIT_FIELD_REF.
3546
3547 2007-03-25  Revital Eres  <eres@il.ibm.com>
3548
3549         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
3550           Fold movement_possibility function into it.
3551
3552 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
3553
3554         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
3555         (load_macho_picbase_{si,di}): Convert to LR hard reg.
3556         (call_indirect_nonlocal_darwin64): Same.
3557         (call_nonlocal_darwin64): Same.
3558         (call_value_indirect_nonlocal_darwin64): Same.
3559         (call_value_nonlocal_darwin64): Same.
3560         (sibcall_nonlocal_darwin64): Same.
3561         (sibcall_value_nonlocal_darwin64): Same.
3562         (sibcall_symbolic_64): Same.
3563         (sibcall_value_symbolic_64): Same.
3564         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
3565         LR pseudo.
3566         (rs6000_emit_load_toc_table): Same.
3567         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
3568         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
3569         (mull_call): Same.
3570         (divss_call): Same.
3571         (divus_call): Same.
3572         (quoss_call): Same.
3573         (quous_call): Same.
3574         (load_toc_v4_pic_si): Same
3575         (load_toc_v4_PIC_1): Same.
3576         (load_toc_v4_PIC_1b): Same.
3577         (call_indirect_aix{32,64}): Same.
3578         (call_value_indirect_aix{32,64}): Same.
3579         (call): Same.
3580         (call_value): Same.
3581         (call_local{32,64}): Same.
3582         (call_value_local{32,64}): Same.
3583         (call_indirect_nonlocal_aix{32,64}): Same.
3584         (call_nonlocal_aix{32,64}): Same.
3585         (call_value_indirect_nonlocal_aix{32,64}): Same.
3586         (call_value_nonlocal_aix{32,64}): Same.
3587         (call_indirect_nonlocal_sysv<mode>): Same.
3588         (call_nonlocal_sysv<mode>): Same.
3589         (call_value_indirect_nonlocal_sysv<mode>): Same.
3590         (call_value_nonlocal_sysv<mode>): Same.
3591         (sibcall): Same.
3592         (sibcall_local{32,64}): Same.
3593         (sibcall_value_local{32,64}): Same.
3594         (sibcall_nonlocal_aix{32,64}): Same.
3595         (sibcall_value_nonlocal_aix{32,64}): Same.
3596         (sibcall_nonlocal_sysv<mode>): Same.
3597         (sibcall_value): Same.
3598         (sibcall_value_nonlocal_sysv<mode>): Same.
3599
3600 2007-03-24  Paul Brook  <paul@codesourcery.com>
3601
3602         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
3603         * config/arm/linux-eabi.h: Remove legacy syscall hack.
3604
3605 2007-03-24  Richard Henderson  <rth@redhat.com>
3606
3607         * config/ia64/constraints.md: New file.
3608         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
3609         satisfies_constraint_?.
3610         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
3611         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
3612         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
3613         ia64_output_mi_thunk): Likewise.
3614         (ia64_const_ok_for_letter_p): Remove.
3615         (ia64_const_double_ok_for_letter_p): Remove.
3616         (ia64_extra_constraint): Remove.
3617         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
3618         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
3619         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
3620         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
3621         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
3622         EXTRA_MEMORY_CONSTRAINT): Remove.
3623         * config/ia64/ia64.md: Include constriants.md.  Replace
3624         CONST_OK_FOR_? with satisfies_constraint_?.
3625
3626 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
3627             H.J. Lu  <hongjiu.lu@intel.com>
3628
3629         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
3630         DPD or BID name.
3631         (name macros): Use DPD_BID_NAME to convert names properly.
3632
3633         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
3634         decimal floating point format.
3635         (init_floating_libfuncs): Change decimal functions so that they
3636         have a "bid_" prefix if the decimal system uses the BID format,
3637         and "dpd_" prefix if the decimal system uses the DPD format.
3638         (init_interclass_conv_libfuncs): Ditto.
3639         (init_intraclass_conv_libfuncs): Ditto.
3640
3641         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
3642         using the BID format.
3643
3644         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
3645         whether we are using the BID decimal format.
3646         * configure: Regenerate.
3647
3648         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
3649         the compiler has decimal floating point enabled.  Define
3650         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
3651         instead of DPD.
3652
3653         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
3654         using the BID format.
3655
3656         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
3657         whether we are using the BID decimal format.
3658         * configure: Regenerate.
3659
3660         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
3661         the compiler has decimal floating point enabled.  Define
3662         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
3663         instead of DPD.
3664
3665         * doc/install.texi (--enable-decimal-float): Document BID and DPD
3666         options, and that it is enabled for i386/x86_64 systems.
3667
3668         * Makefile.in (enable_decimal_float): New.
3669         (DECNUMFMT): New.
3670         (DECNUMINC): Add  -I$(DECNUMFMT).
3671         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
3672         to $(DECNUMFMT) from $(DECNUM).
3673
3674         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
3675         Substitute enable_decimal_float.
3676         * configure: Regenerated.
3677
3678         PR other/30529
3679         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
3680         unsigned long.
3681
3682         * configure.ac: Enable decimal float for x86_64-*-linux*.
3683         * configure: Regenerated.
3684
3685         PR other/30530
3686         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
3687         decimal128ClearSign to flip and clear the sign bit in decimal128.
3688         (decimal_real_maxval): Set decimal128SetSign to set the sign
3689         bit in decimal128.
3690
3691 2007-03-23  Ian Lance Taylor  <iant@google.com>
3692
3693         * fold-const.c (fold_binary): Correct warning for X - c >= X.
3694
3695 2007-03-23  Ian Lance Taylor  <iant@google.com>
3696
3697         * tree-dump.c (dump_files): Correct comment.
3698
3699 2007-03-23  Ian Lance Taylor  <iant@google.com>
3700
3701         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
3702
3703 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
3704
3705         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
3706         in cfglayout mode.  Don't go into and out of cfglayout mode.
3707         Link the blocks in the order of the constructed traces.
3708         (rest_of_handle_tracer): Adjust call to tracer.
3709         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
3710         Don't go into cfglayout mode.
3711         (rtl_loop_done): Don't go out of cfglayout mode.
3712         * cfglayout.c (relink_block_chain): New function, split out from...
3713         (fixup_reorder_chain): ...here.  Remove redundant checking.
3714         (cfg_layout_finalize): Don't clear the header, footer, and aux
3715         fields here, move the code to do so to relink_block_chain.  Likewise
3716         for free_original_copy_tables.
3717         * rtl.h (tracer): Update prototype.
3718         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
3719         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
3720         mode.  Use relink_block_chain to serialize the CFG according to the
3721         new basic block order.  Move targetm.cannot_modify_jumps_p check from
3722         here...
3723         (gate_handle_reorder_blocks): ...to here.
3724         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
3725         from here...
3726         (gate_duplicate_computed_gotos): ...to here.
3727         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
3728         something always changes when going into and out of cfglayout mode.
3729         Perform an expensive cfg cleanup while going into cfglayout mode.
3730         Always update liveness information on HAVE_conditional_execution
3731         targets.  Reserialize the basic blocks and go out of cfglayout mode.
3732         * reg-stack.c: Include cfglayout.h.
3733         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
3734         the call to reorder_basic_blocks.
3735         * basic-block.h (reorder_basic_blocks): Update prototype.
3736         (relink_block_chain): New prototype.
3737         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
3738
3739 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
3740
3741         * config/mips/mips.md (type, hazard, *movdi_32bit,
3742         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
3743         *movhi_internal, *movqi_internal, *movsf_hardfloat,
3744         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
3745         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
3746         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
3747         applicable.
3748         (movcc): Change first xfer to multi.
3749         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
3750         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
3751         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
3752         config/mips/generic.md: Change reservations using "xfer" to use
3753         "mfc,mtc".
3754         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
3755         using match_operand.
3756         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
3757         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
3758         examining mode.
3759         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
3760
3761 2007-03-22  Richard Henderson  <rth@redhat.com>
3762
3763         * config/i386/i386.c: Remove unnecessary function declarations.
3764         Move targetm definition, and all related macros, to the end of
3765         the file.  Resort some functions to put definitions before uses.
3766         (ix86_attribute_table): Make static.  Move to end of file.
3767         (ix86_gimplify_va_arg): Make static.
3768
3769 2007-03-22  Richard Henderson  <rth@redhat.com>
3770
3771         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
3772         don't increase local_regparm with force_align_arg_pointer check.
3773         (ix86_function_sseregparm): Assert 32-bit.
3774         (type_has_variadic_args_p): New.
3775         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
3776         type_has_variadic_args_p.
3777         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
3778         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
3779         use memset instead.  Do maybe_vaarg check first; skip attribute
3780         tests if true; skip attribute tests for 64-bit.
3781         (construct_container): Remove TARGET_DEBUG_ARG.
3782         (function_arg_advance_32, function_arg_advance_64): Split out ...
3783         (function_arg_advance): ... from here.
3784         (function_arg_32, function_arg_64): Split out ...
3785         (function_arg): ... from here.
3786         (ix86_pass_by_reference): Tidy.
3787         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
3788         (function_value_32): New, from parts of ix86_function_value
3789         and ix86_value_regno.
3790         (function_value_64): New, from parts of ix86_function_value
3791         and ix86_libcall_value.
3792         (ix86_function_value_1): New.
3793         (ix86_function_value, ix86_libcall_value): Use it.
3794         (return_in_memory_32, return_in_memory_64): Split out ...
3795         (ix86_return_in_memory): ... from here.
3796         (ix86_struct_value_rtx): Skip for 64-bit.
3797         (ix86_libcall_value, ix86_value_regno): Remove.
3798         (setup_incoming_varargs_64): Split out ...
3799         (ix86_setup_incoming_varargs): ... from here.
3800         (ix86_va_start): Remove TARGET_DEBUG_ARG.
3801         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
3802         * config/i386/i386-protos.h (ix86_function_value): Remove.
3803         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
3804
3805 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3806
3807         PR other/23572
3808         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
3809         infinities not supported, otherwise emit warning if -Woverflow. On
3810         underflow, emit warning if -Woverflow.
3811         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
3812         and 0 otherwise.
3813         * real.h (real_from_string): Update declaration
3814
3815 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
3816             Richard Henderson  <rth@redhat.com>
3817
3818         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
3819         * calls.c (compute_argument_block_size, expand_call,
3820         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
3821         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
3822         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
3823         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
3824         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
3825         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
3826         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
3827         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
3828         Set to 1.
3829
3830 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
3831
3832         * c-incpath.c (add_sysroot_to_chain): New.
3833         (merge_include_chains): Add sysroot argument.  Call
3834         add_sysroot_to_chain if sysrooted.
3835         (register_include_chains): Update call to merge_include_chains.
3836         * doc/cppopts.texi: Document use of '=' in include directory
3837         arguments.
3838
3839 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
3840
3841         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
3842         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
3843         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
3844         insn pattern using X87MODEF12 mode macro.
3845
3846 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
3847
3848         * regmove.c (regmove_optimize): Use reg_mentioned_p
3849         instead of reg_overlap_mentioned_p for DST.
3850
3851 2007-03-21  Mike Stump  <mrs@apple.com>
3852
3853         * c.opt: Fixup for Objective-C/C++.
3854
3855 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
3856
3857         * explow.c (convert_memory_address): Fold memory reference when
3858         POINTERS_EXTEND_UNSIGNED < 0
3859
3860 2007-03-21  Richard Henderson  <rth@redhat.com>
3861
3862         PR target/31245
3863         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
3864         * config/i386/mmintrin.h (__m64): Likewise.
3865         * config/i386/xmmintrin.h (__m128): Likewise.
3866
3867 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3868
3869         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
3870         (VXWORKS_OS_CPP_BUILTINS): Define.
3871         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
3872         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
3873
3874 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3875
3876         * rtl.h (constant_pool_reference_p): Delete.
3877         (find_constant_src): Declare.
3878         * rtlanal.c (find_constant_src): New function.
3879         * simplify-rtx.c (constant_pool_reference_p): Delete.
3880         * config/i386/i386.md: Use find_constant_src instead of
3881         constant_pool_reference_p/avoid_constant_pool_reference pairs.
3882
3883 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3884
3885         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
3886         * c-cppbuiltin.c (c_cpp_builtins): Define them.
3887
3888 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
3889
3890         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
3891         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
3892         (arm_elf_asm_constructor): Use it.
3893         (arm_elf_asm_destructor): New function.
3894
3895 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
3896
3897         * jump.c (mark_jump_label): Treat SEQUENCE specially.
3898
3899 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
3900
3901         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
3902
3903 2007-03-19  Andrew Haley  <aph@redhat.com>
3904
3905         PR tree-optimization/31264
3906         * tree-vrp.c (register_edge_assert_for_1): Don't look though
3907         VIEW_CONVERT_EXPRs.
3908
3909 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
3910
3911         PR rtl-optimization/30907
3912         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
3913         (fwprop_init): Always call loop_optimizer_initialize.
3914         (fwprop_done): Always call loop_optimizer_finalize.
3915         (fwprop): We always have loop info now.
3916         (gate_fwprop_addr): Remove.
3917         (pass_fwprop_addr): Use gate_fwprop as gate.
3918
3919         PR rtl-optimization/30841
3920         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
3921         df_chain_alloc): Call df_reorganize_refs unconditionally.
3922         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
3923         refs_organized to refs_organized_size.
3924         (df_ref_create_structure): Use refs_organized_size instead of
3925         bitmap_size if refs had been organized, and keep refs_organized_size
3926         up-to-date.
3927         * df.h (struct df_ref_info): Change refs_organized to
3928         refs_organized_size.
3929         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
3930         bitmap_size.
3931
3932 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
3933
3934         * except.c (output_function_exception_table): Do not reference the
3935         EH personality routine for functions that do not require an
3936         exception table.
3937
3938 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
3939
3940         PR c/30762
3941         * c-typeck.c (convert_for_assignment): Call comptypes for
3942         RECORD_TYPE or UNION_TYPE.
3943
3944         PR inline-asm/30505
3945         * reload1.c (reload): Do invalid ASM checking after
3946         cleanup_subreg_operands.
3947
3948 2007-03-19  Jeff Law  <law@redhat.com>
3949
3950         * tree-cfg.c (find_taken_edge): Tighten conditions for
3951         optimizing computed gotos.
3952
3953 2007-03-19  Michael Matz  <matz@suse.de>
3954
3955         * builtins.c (expand_builtin_sync_operation,
3956         expand_builtin_compare_and_swap,
3957         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
3958         correctly.
3959
3960         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
3961         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
3962         for operand 3.
3963
3964 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3965
3966         * doc/tm.texi: Add brackets around the return type of
3967         TARGET_SECONDARY_RELOAD.
3968
3969 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3970         Richard Guenther  <rguenther@suse.de>
3971
3972         PR tree-optimization/31254
3973         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
3974         Use handled_component_p () where appropriate.  Continue
3975         propagating into the rhs if we propagated into an INDIRECT_REF
3976         on the lhs.
3977
3978 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3979
3980         * config/s390/s390.md (op_type attribute): RRR instruction type added.
3981         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
3982         (xde, xdee): Mode attributes adjusted to support DFP modes.
3983         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
3984         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
3985         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
3986         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
3987         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
3988         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
3989         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
3990         numbers.
3991         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
3992         "movsf"): Insn definitions removed.
3993         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
3994         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
3995         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
3996         definitions added.
3997         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
3998         "reload_in<mode>", "reload_out<mode>"): Expander added.
3999         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
4000         Expander removed.
4001
4002 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4003
4004         * config/s390/s390.md: Only non-functional changes.  Renamed
4005         FPR mode macro to BFP all over the file.
4006
4007 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4008
4009         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
4010         (op_type attribute): RRF instruction type added.
4011         (fT0): New mode attribute.
4012         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
4013         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
4014         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
4015         no secondary memory is needed when moving DFmode values between GPRs
4016         and FPRs.
4017
4018 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4019
4020         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
4021         inverted and documentation adjusted.
4022         ("mhard-dfp", "msoft-dfp"): New options.
4023         * config/s390/s390.c (s390_handle_arch_option): New architecture
4024         switch: z9-ec.
4025         (override_options): Sanity checks for the new options added.
4026         * config.gcc: New architecture switch: z9-ec.
4027         * config/s390/s390.h (processor_flags): PF_DFP added.
4028         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
4029         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
4030         when the bit is NOT set so remove it from the defaults.
4031
4032 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4033
4034         * genemit.c (main): Print include statement for dfp.h.
4035         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
4036         is not available.
4037
4038 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
4039
4040         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
4041
4042 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
4043
4044         PR target/31022
4045         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
4046         instead of PATTERN.
4047
4048 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4049
4050         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
4051         attr_length_call, output_call, output_indirect_call): Cleanup
4052         formatting of targetm calls.
4053
4054 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
4055
4056         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
4057
4058 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4059
4060         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
4061         reservation, bypass and anti-bypass descriptions for these instructions.
4062         Update move patterns.
4063         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
4064         TYPE_FPSTORE.
4065
4066 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
4067
4068         * tree-vect-transform.c (get_initial_def_for_induction): Replace
4069         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
4070         (get_initial_def_for_reduction): Likewise.
4071
4072 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
4073
4074         Fix PR tree-optimization/29922
4075         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
4076         (get_representative): Removed.
4077         (value_dies_in_block_x): Update for rvuse removal.
4078         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
4079         (compute_antic_aux): Handle when PHI nodes appear in
4080         non-single-successors.
4081         (dump_bitmap_of_names): Removed.
4082         (compute_antic_safe): Renamed and removed rvuse calculation.
4083         Calculate only antic safe.
4084         (insert_into_preds_of_block): Remove assert.
4085         (execute_pre): Update for renamed functions.
4086         (defer_or_phi_translate_block): New function.
4087
4088 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
4089
4090         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
4091         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
4092         typos.
4093         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
4094         Follow spelling conventions.
4095
4096         * tree-data-ref.h: Remove the prototype for analyze_array.
4097
4098 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
4099
4100         PR tree-optimization/31041
4101         * tree-vect-transform.c (get_initial_def_for_induction): Call
4102         force_gimple_operand.
4103
4104 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
4105
4106         * ipa-type-escape.c (look_for_casts) : Revert code to use
4107         handled_component_p due to ada test a-numaux.adb.
4108
4109 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
4110
4111         * final.c (final_scan_insn): Alter the condition of a
4112         conditional trap if we have nonstandard CC.
4113
4114 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
4115
4116         * configure.ac: Remove excess quoting from asm line 0 test.
4117         * configure: Rebuilt.
4118
4119 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4120
4121         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
4122         * c-common.c (convert_and_check): Move warning logic to...
4123         (warnings_for_convert_and_check): ...here. Define.
4124         * c-common.h (warnings_for_convert_and_check): Declare.
4125
4126 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4127
4128         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
4129         (output_call): Likewise.
4130
4131 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
4132
4133         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
4134
4135 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
4136
4137         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
4138
4139 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
4140
4141         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
4142         opteron, athlon-64 and athlon-fx processor_alias_table entries.
4143
4144 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
4145
4146         PR tree-optimization/31183
4147         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
4148         Use double_int instead of unsigned int for representing access_strides.
4149         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
4150
4151 2007-03-16  Richard Guenther  <rguenther@suse.de>
4152
4153         PR tree-optimization/31146
4154         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
4155         to allow recursion of forward_propagate_addr_expr.
4156         (forward_propagate_addr_into_variable_array_index): Likewise.
4157         (forward_propagate_addr_expr): Likewise.
4158         (tree_ssa_forward_propagate_single_use_vars): Likewise.
4159         (forward_propagate_addr_expr_1): Recurse on simple copies
4160         instead of propagating into them.  Do so for useless conversions
4161         as well.
4162         (forward_propagate_addr_expr): Clean up unused statements after
4163         recursion.
4164
4165 2007-03-16  Richard Guenther  <rguenther@suse.de>
4166
4167         * builtins.c (expand_builtin_cexpi): Use the right argument
4168         for the expansion via cexp.
4169
4170 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
4171
4172         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
4173         * configure: Rebuilt.
4174
4175 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
4176
4177         PR debug/29906
4178         * dwarf2out.c (force_type_die): Adjust comment.
4179         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
4180
4181 2007-03-15  DJ Delorie  <dj@redhat.com>
4182
4183         * config/frv/predicates.md (minmax_operator): Don't check operands
4184         here.
4185
4186 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
4187
4188         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
4189         Update constant estimates of number of iterations.
4190         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
4191         argument renamed to "realistic".
4192         (compute_estimated_nb_iterations): Removed.
4193         (record_niter_bound): New function.
4194         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
4195         call record_nonwrapping_iv with upper = false.
4196         (infer_loop_bounds_from_signedness): Pass upper argument to
4197         record_nonwrapping_iv.
4198         (estimate_numbers_of_iterations_loop): Do not call
4199         compute_estimated_nb_iterations.  Record estimate based on profile
4200         information.  Initialize the constant estimates of number of
4201         iterations.
4202         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
4203         estimates.
4204         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
4205         number of iterations is too small.
4206         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
4207         (EST_NOT_AVAILABLE): Removed.
4208         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
4209         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
4210         fields.
4211
4212 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
4213
4214         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
4215         Handle NE_EXPR guards.
4216
4217 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4218
4219         PR c++/24924
4220         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
4221         Set also -pedantic-errors by default for the  preprocessor unless
4222         -fpermissive is given.
4223
4224 2007-03-15  Richard Guenther  <rguenther@suse.de>
4225
4226         PR middle-end/29719
4227         PR middle-end/31161
4228         * builtins.c (expand_builtin_cexpi): As a fallback if we
4229         don't have builtins for sincos or cexp create a function
4230         declaration for cexp and expand to a call to that.
4231         (expand_builtin_int_roundingfn): Always fall
4232         back to floor/ceil and its variants even if they may be
4233         not available.
4234
4235 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
4236
4237         PR middle-end/31159
4238         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
4239         jump tables, move the call to delete_dead_jumptables from here...
4240         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
4241         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
4242         don't allow merging of blocks that try_redirect_by_replacing_jump
4243         also does not handle when not optimizing.
4244
4245 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
4246             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
4247
4248         * config/i386/i386.md (x86_sahf_1): Correctly handle
4249         HAVE_AS_IX86_SAHF.
4250
4251 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
4252
4253         PR target/31167
4254         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
4255         x86_64_general_operand as operand[2] predicate.  Remove "iF"
4256         from operand constraints and use "e" constraint instead.
4257         (*subti3_1, *subti3_1 splitter): Ditto.
4258         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
4259         operand[1] predicate.
4260
4261 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
4262
4263         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
4264         arrays, multiply the access strides by the size of the sub-array.
4265         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
4266
4267 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
4268
4269         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
4270         the configured assembler supports the sahf mnemonic.
4271         * configure: Regenerate.
4272         * config.in: Regenerate.
4273
4274         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
4275         emit "sahf" or ".byte\t0x9e" as asm template.
4276
4277 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
4278
4279         PR 31018
4280         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
4281         option to replace hard coded TARGET_xxx in md file.
4282         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
4283         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
4284         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
4285         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
4286         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
4287         (X86_TUNE_NOT_VECTORMODE): Ditto.
4288         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
4289         (TUNE_AVOID_VECTOR_DECODE): Ditto.
4290         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
4291         (TUNE_SLOW_IMUL_IMM8): Ditto.
4292         (TUNE_MOVE_M1_VIA_OR): Ditto.
4293         (TUNE_NOT_UNPAIRABLE): Ditto.
4294         (TUNE_NOT_VECTORMODE): Ditto.
4295
4296         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
4297         options.
4298
4299         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
4300         tuning options instead of hard coded TARGET_xxx.
4301         (fix ssemode peephole2's): Ditto.
4302         (imul peephole2's): Ditto.
4303         (movsi_or): Ditto.
4304         (movdi_or_rex64): Ditto.
4305         (move peephole2): Ditto.
4306         (not peephole2's): Ditto.
4307
4308 2007-03-14  Dirk Mueller  <dmueller@suse.de>
4309
4310         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
4311         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
4312         * c-parser.c (c_parser_if_body): Always add an empty statement in case
4313         of empty body.
4314         * c-parser.c (c_parser_do_statement): Warn about empty body in
4315         do/while statement.
4316         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
4317         * doc/invoke.texi (-Wempty-body): Update documentation.
4318
4319 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4320
4321         PR c/21438
4322         * c-common.h (warn_for_div_by_zero): Declare.
4323         * c-common.c (warn_for_div_by_zero): Define.
4324         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
4325         warning.
4326
4327 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4328
4329         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
4330         to PREFIX and STANDARD_PREFIX.
4331
4332 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4333             Phil Edwards  <phil@codesourcery.com>
4334
4335         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
4336         (__gthread_once_t): Remove busy field for RTPs.
4337         (__GTHREAD_ONCE_INIT): Update accordingly.
4338
4339 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4340
4341         * doc/invoke.texi: Document VxWorks options.
4342
4343 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
4344
4345         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
4346
4347 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
4348
4349         PR tree-optimization/30590
4350         * tree-nrv.c (tree_nrv): Check for the partial update of the
4351         return value.
4352
4353 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
4354
4355         * flags.h (flag_random_seed): Remove declaration, in favor of...
4356         * toplev.h (get_random_seed, set_random_seed): ... these.
4357         * tree.c (get_file_function_name): Use the former.
4358         * opts.c (common_handle_option): Use the latter.
4359         * toplev.c
4360
4361 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
4362
4363         PR middle-end/31127
4364         * cse.c (cse_find_path): Do not bail out if a basic block that
4365         we already visited now becomes part of a path that starts at a
4366         different basic block.  Just disallow this, to make sure we
4367         visit each basic block at most once.
4368
4369 2007-03-13  Jan Hubicka  <jh@suse.cz>
4370
4371         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
4372         when profile esitmate is present, calls with very low frequency are
4373         cold.
4374
4375 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
4376
4377         PR tree-optimization/30730
4378         PR tree-optimization/26900
4379         * tree-ssa-loop-niter.c: Include gmp.h.
4380         (bounds): New type.
4381         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
4382         split_to_var_and_offset, determine_value_range,
4383         bound_difference_of_offsetted_base, refine_bounds_using_guard,
4384         bound_difference, bounds_add, bounds_negate,
4385         number_of_iterations_ne_max, dump_affine_iv): New functions.
4386         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
4387         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
4388         difference of initial and final value of control iv to validate
4389         results.
4390         (number_of_iterations_cond): Add loop parameter.  Determine bounds
4391         on the difference of the extremes of the control iv.  Add dumps.
4392         (expand_simple_operations): Handle phi nodes.
4393         (simplify_using_initial_conditions): Do not record used conditions.
4394         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
4395         Do not set additional_info.
4396         (implies_nonnegative_p, implies_ge_p): Removed.
4397         (derive_constant_upper_bound): Do not use parameter `additional'.
4398         (record_estimate): Parameter `additional' removed.  Parameter
4399         `i_bound' added.  Do not call derive_constant_upper_bound.
4400         (record_nonwrapping_iv): Use derive_constant_upper_bound to
4401         bound the number of iterations estimate.
4402         (estimate_numbers_of_iterations_loop): Pass the estimate from
4403         the number of iterations analysis to record_estimate.
4404         * tree.h (multiple_of_p): Declare.
4405         * tree-scalar-evolution.c (expression_expensive_p): Removed.
4406         (scev_const_prop): Do not check expression_expensive_p.
4407         * fold-const.c (multiple_of_p): Exported.
4408         * double-int.c (double_int_mask): Exported.
4409         * double-int.h (double_int_mask): Declare.
4410         * tree-flow.h (struct tree_niter_desc): Removed additional_info
4411         field.  Added max field.
4412
4413 2007-03-13  David Taylor  <taylor@candd.org>
4414
4415         PR driver/12448:
4416         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
4417         default -MQ.
4418
4419 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4420
4421         PR target/31123
4422         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
4423         two unamed patterns.
4424
4425 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
4426
4427         * config/i386/i386.opt (mcx16, msahf): New options.
4428         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
4429         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
4430
4431         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
4432         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
4433         Output -mcx16 and -msahf options when corresponding bit is set.
4434
4435         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
4436         and -msahf options.
4437
4438 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
4439
4440         * configure.ac: Test for assembler tolerance to # 0 "".
4441         * configure, config.in: Rebuilt.
4442         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
4443
4444 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
4445
4446         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
4447
4448         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
4449         (handle_syscall): Handle direct system calls.
4450         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
4451
4452 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
4453
4454         * doc/invoke.texi: Fix cpp.info cross-reference.
4455         * doc/passes.texi: Fix gcc.info cross-reference.
4456
4457 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
4458
4459         PR tree-optimization/30835
4460         * lambda-code.c (can_convert_to_perfect_nest): Check whether
4461         bb_for_stmt is not NULL before accessing it.
4462
4463 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
4464
4465         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
4466         some multilibs.
4467
4468 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
4469
4470         PR 30635
4471         * doc/install.texi: Document --enable-stage1-languages
4472
4473 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
4474
4475         * tree-pass.h (pass_into_cfg_layout_mode,
4476         pass_outof_cfg_layout_mode): Declare.
4477         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
4478         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
4479         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
4480         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
4481
4482 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
4483
4484         * c-decl.c (warn_variable_length_array): New function.
4485         Refactored from grokdeclarator to handle warn_vla
4486         and handle unnamed array case.
4487         (grokdeclarator): Refactored VLA warning case.
4488         * c.opt (Wvla): New flag.
4489         * doc/invoke.texi (Wvla): New warning.
4490
4491 2007-03-12  Richard Henderson  <rth@redhat.com>
4492
4493         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
4494         (TARGET_SECTION_TYPE_FLAGS): New.
4495
4496 2007-03-12  Richard Henderson  <rth@redhat.com>
4497
4498         * config/darwin.c (machopic_reloc_rw_mask): New.
4499         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
4500         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
4501
4502 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
4503
4504         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
4505         * cppdefault.h (cpp_PREFIX): Document.
4506         (cpp_PREFIX_len): Likewise.
4507         (cpp_EXEC_PREFIX): New variable.
4508         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
4509         * c-incpath.c (add_standard_paths): Correct logic for relocating
4510         paths within prefix.
4511
4512 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
4513
4514         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
4515         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
4516         mode macro.
4517         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
4518         fix_truncdfdi_sse using SSEMODEF mode macro.
4519         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
4520         fix_truncdfsi_sse using SSEMODEF mode macro.
4521         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
4522         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
4523
4524 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
4525
4526         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
4527         elfos.h to tm_file.
4528
4529 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
4530
4531         * tree.h : Add multiple_of_p declaration.
4532         * fold-const.c (multiple_of_p): Make multiple_of_p public.
4533         * ipa-type-escape.c (results_of_malloc): Redundant.
4534         (visited_stmts): New. Visited stmt for walk_use_def_chains.
4535         (cast_type): Extended with new members.
4536         (check_cast): Returns cast_type.
4537         (cast): New structure for data of walk_use_def_chains.
4538         (is_malloc_result, is_cast_from_non_pointer_1,
4539         is_cast_from_non_pointer,
4540         is_array_access_through_pointer_and_index): New functions.
4541         (look_for_casts): Returns cast types.
4542         (check_call): Returns void.
4543         (okay_pointer_operation): Use support of pointer plus index,
4544         pointer plus constant and allow all multiplications.
4545
4546 2007-03-11  Richard Guenther  <rguenther@suse.de>
4547
4548         PR tree-optimization/31115
4549         * tree-vrp.c (extract_range_from_binary_expr): Make sure
4550         the shift count is positive and non-anti-range for RSHIFT_EXPR.
4551         A shift count of zero is not special as with *_DIV_EXPR.
4552         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
4553         direction.
4554
4555 2007-03-11  Ian Lance Taylor  <iant@google.com>
4556
4557         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
4558         the *_DIV_EXPR codes correctly with overflow infinities.
4559
4560 2007-03-11  Ira Rosen  <irar@il.ibm.com>
4561
4562         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
4563         indicate success/failure of the analysis. Add negation to subtrahend
4564         in case of subtraction. Fail if both operands contain constants.
4565         (create_data_ref): Fail if analyze_offset fails.
4566
4567 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
4568
4569         * config/i386/i386.md (frndintxf2): Rename to ...
4570         (rintxf2): ... this. Remove expander having same name.
4571         (rintsf2, rintdf2): Implement using SSEMODEF macro.
4572         (roundsf2, rounddf2): Ditto.
4573         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
4574         (lround<mode>di2, lround<mode>si2): Ditto.
4575
4576 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
4577
4578         * lower-subreg.c: Include except.h.
4579         (decompose_multiword_subregs): Verify that the only control flow
4580         insns we can split are loads to multi-words pseudos.
4581         Handle breaking such blocks after splitting, instead of calling
4582         find_many_sub_basic_blocks.
4583
4584         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
4585         on the new basic block.  Add a lengthy comment explaining why we
4586         thought this was necessary.
4587         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
4588
4589 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
4590
4591         PR c++/30924
4592         * tree.c (walk_type_fields): Recurse into the element type of
4593         ARRAY_TYPEs if there is a pointer set.
4594
4595 2007-03-10  Dirk Mueller  <dmueller@suse.de>
4596
4597         * c-common.c (warn_logical_operator): Fix condition.
4598
4599 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
4600
4601         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
4602         quotation mark.
4603         * config/darwin.c (machopic_select_section): Remove superfluous
4604         argument in call to categorize_decl_for_section.  Remove unused
4605         variable shlib.
4606
4607 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
4608
4609         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
4610         defined.
4611         * configure: Regenerate.
4612
4613 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
4614
4615         PR target/31101
4616         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
4617         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
4618         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
4619         Add LABEL_NUSES to emitted label.
4620         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
4621         branch probability value to emitted jump insn.
4622         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
4623         Do not check life information and do not re-arrange input operands
4624         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
4625
4626 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4627
4628         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
4629         the change of decode_asm_operands.
4630
4631 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4632
4633         * mode-switching.c (create_pre_exit): Skip blockage insn.
4634
4635 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
4636
4637         * tree-pass.h (TODO_update_smt_usage): Remove.
4638         Update all users.
4639         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
4640         argument SOME.
4641         Update all users.
4642
4643 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4644
4645         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
4646         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
4647         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
4648         SOM target.
4649
4650 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
4651
4652         * gcc.c: Document %{, in big comment at top.
4653         (input_suffix_matches): Remove special handling for .s and
4654         .S.
4655         (input_spec_matches): New.
4656         (handle_braces): Handle %{,.
4657         (validate_switches): ',' indicates a value which is not a switch.
4658         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
4659         to detect assembler input.
4660         * config/i386/sol2.h (CPP_SPEC): Likewise.
4661         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
4662         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
4663         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
4664         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
4665         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
4666         -m64 causes deployment target to default to 10.5.
4667         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
4668
4669 2007-03-09  Richard Henderson  <rth@redhat.com>
4670
4671         PR target/26090
4672         * target.h (targetm.asm.out.reloc_rw_mask): New.
4673         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
4674         (TARGET_ASM_OUT): Use it.
4675         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
4676         * varasm.c (categorize_decl_for_section): Remove shlib argument;
4677         use the new reloc_rw_mask target hook instead.
4678         (default_section_type_flags_1): Merge into...
4679         (default_section_type_flags): ... here.
4680         (decl_readonly_section_1): Merge into...
4681         (decl_readonly_section): ... here.
4682         (default_elf_select_section_1): Merge into...
4683         (default_elf_select_section): ... here.
4684         (default_unique_section_1): Merge into...
4685         (default_unique_section): ... here.
4686         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
4687         (default_select_rtx_section): Use it.
4688         (default_elf_select_rtx_section): Likewise.
4689         * output.h: Update to match.
4690         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
4691         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
4692         (TARGET_ASM_RELOC_RW_MASK): New.
4693         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
4694         to categorize_decl_for_section.
4695         (x86_64_elf_unique_section): Likewise.
4696         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
4697         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
4698         (TARGET_ASM_RELOC_RW_MASK): New.
4699         * config/ia64/ia64.c (ia64_rwreloc_select_section,
4700         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
4701         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
4702         (TARGET_RWRELOC): Remove.
4703         (ia64_section_type_flags): Adjust call to default_section_type_flags.
4704         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
4705         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
4706         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
4707         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
4708         (rs6000_xcoff_select_section): Use decl_readonly_section.
4709         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
4710         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
4711         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
4712         (TARGET_SECTION_TYPE_FLAGS): Remove.
4713         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
4714
4715 2007-03-09  Roger Sayle  <roger@eyesopen.com>
4716
4717         * fold-const.c (fold_comparison): Remove compile-time evaluation of
4718         complex constant equality/inequality comparisons for here.
4719         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
4720         known at compile-time or can be simplified to a scalar comparison.
4721         (fold_relational_const): Move compile-time evaluation of complex
4722         constant equality/inequality comparisons to here.
4723
4724 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4725
4726         PR rtl-optimization/30643
4727         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
4728         dest_addr_elt.
4729         (fold_rtx): Recurse, like before 2006-11-03.
4730
4731 2007-03-09  DJ Delorie  <dj@redhat.com>
4732
4733         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
4734         m32c-pragma.o.
4735
4736 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
4737
4738         PR tree-optimization/30375
4739         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
4740         LHS of statements is not the same.
4741         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
4742
4743 2007-03-09  Chao-ying Fu  <fu@mips.com>
4744
4745         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
4746         REV 2.
4747         * doc/invoke.texi (-mdspr2): Document new option.
4748         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
4749         New unspec for DSP REV 2.
4750         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
4751         these instructions are extended in DSP REV 2.
4752         (mips-dspr2.md): Include.
4753         * config/mips/mips.opt (mdspr2): New option.
4754         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
4755         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
4756         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
4757         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
4758         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
4759         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
4760         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
4761         and 2 builtins.
4762         (bdesc_map): Add one field of unsupported_target_flags.
4763         (bdesc_arrays):  Update entries to have extra fields.  Add
4764         dsp_32only_bdesc.
4765         (mips_init_builtins): Initialize new function types.
4766         Check unsupported_target_fileds to filter out builtins.
4767         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
4768         TARGET_DSPR2.
4769         (ASM_SPEC): Pass mdspr2 to the assembler.
4770         * config/mips/mips-dspr2.md: New file.
4771
4772 2007-03-09  Sa Liu  <saliu@de.ibm.com>
4773
4774         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
4775
4776 2007-03-09  Ian Lance Taylor  <iant@google.com>
4777
4778         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
4779         argument) like -Wstrict-overflow=2.
4780         * doc/invoke.texi (Warning Options): Update documentation.
4781
4782 2007-03-09  Dirk Mueller  <dmueller@suse.de>
4783
4784         PR c++/17946
4785         * doc/invoke.texi (-Wlogical-op): Document.
4786         * common.opt (-Wlogical-op): New.
4787         * c-common.h (warn_logical_operator): Declare.
4788         * c-common.c (warn_logical_operator): Define.
4789         * c-typeck.c (parser_build_binary_op): Call
4790         warn_logical_operator.
4791
4792 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4793
4794         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
4795         * final.c (final_scan_insn): Test for non-"" file name.
4796
4797 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
4798
4799         * doc/loop.texi: Document the Omega linear constraints solver.
4800         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
4801         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
4802         omega-hash-table-size, omega-max-keys, and
4803         omega-eliminate-redundant-constraints.
4804         * tree-pass.h (pass_check_data_deps): Declared.
4805         * omega.c: New.
4806         * omega.h: New.
4807         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
4808         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
4809         pass_check_data_deps): New.
4810         * tree-data-ref.c (init_data_ref): Remove declaration.
4811         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
4812         (analyze_array): Renamed init_array_ref, move up initializations.
4813         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
4814         Removed arguments that are set to NULL.
4815         (analyze_indirect_ref): Correct indentation, correct call to
4816         init_pointer_ref.
4817         (object_analysis): Call init_array_ref instead of analyze_array.
4818         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
4819         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
4820         of DR_ACCESS_FNS_ADDR.
4821         (init_omega_eq_with_af, omega_extract_distance_vectors,
4822         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
4823         ddr_consistent_p): New.
4824         (compute_affine_dependence): Check consistency of ddrs when
4825         flag_check_data_deps is passed.
4826         (analyze_all_data_dependences): Uncomment.
4827         (tree_check_data_deps): New.
4828         * tree-data-ref.h: Include omega.h.
4829         (DR_ACCESS_FNS_ADDR): Removed.
4830         (data_dependence_relation): Add inner_loop.
4831         (DDR_INNER_LOOP): New.
4832         * common.opt (fcheck-data-deps): New.
4833         * tree-flow.h (tree_check_data_deps): Declare.
4834         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
4835         (OBJS-common): Depend on omega.o.
4836         (omega.o): Define.
4837         * passes.c (pass_check_data_deps): Scheduled.
4838         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
4839         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
4840         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
4841         PARAM_VECT_MAX_VERSION_CHECKS,
4842         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
4843
4844 2007-03-09  Richard Guenther  <rguenther@suse.de>
4845
4846         PR tree-optimization/30904
4847         PR middle-end/31058
4848         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
4849         the same way as *_DIV_EXPR.
4850
4851 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4852
4853         * recog.c (decode_asm_operands): No mixed declarations and code.
4854
4855 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4856
4857         * rtl.def (ASM_INPUT): Add location.
4858         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
4859         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
4860         (decode_asm_operands): Add loc operand.
4861         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
4862         * stmt.c (expand_asm): Rename to...
4863         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
4864         gen_rtx_ASM_INPUT_loc.
4865         (expand_asm_expr): Adjust.
4866         * recog.c (decode_asm_operands): Add loc operand.
4867         (check_asm_operands, extract_insn): Adjust.
4868         * reload1.c (maybe_fix_stack_asms): Likewise.
4869         * final.c (asm_insn_count): Likewise.
4870         (final_scan_insn): Output # line before and after asm.
4871
4872 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
4873
4874         * tree-ssa-structalias.c (variable_info): Remove
4875         finished_solution.
4876         (new_var_info): Ditto.
4877         (shared_bitmap_info_t): New structure.
4878         (shared_bitmap_table): New variable.
4879         (shared_bitmap_hash): New function.
4880         (shared_bitmap_eq): Ditto
4881         (shared_bitmap_lookup): Ditto.
4882         (shared_bitmap_add): Ditto.
4883         (merge_smts_into): Change to take bitmap directly.
4884         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
4885         (init_alias_vars): Init shared bitmap hashtable.
4886         (delete_points_to_sets): Delete shared bitmap hashtable.
4887         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
4888         is_aliased removal as a change that was still necessary was
4889         deleted.
4890
4891 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
4892
4893         * config/i386/i386.h (override_options): Conditionally disable
4894         x86_sahf for 64bit targets only.
4895
4896 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4897
4898         PR C/31072
4899         * c-decl.c (merge_decls): Don't call make_var_volatile.
4900         * varasm.c (make_var_volatile): Remove.
4901         * output.h (make_var_volatile): Remove.
4902
4903 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
4904
4905         PR tree-optimization/31085
4906         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
4907
4908 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4909
4910         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
4911         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
4912         ATTR_CONST_NOTHROW_LIST.
4913
4914         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
4915         FIX_TRUNC_EXPR.
4916
4917 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
4918
4919         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
4920
4921 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
4922
4923         PR 31013
4924         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
4925         is declared.
4926         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
4927         passed, use shared libgcc.
4928
4929 2007-03-08  Roger Sayle  <roger@eyesopen.com>
4930
4931         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
4932         instead of calling build2 with a GIMPLE_MODIFY_STMT.
4933         (honor_protect_cleanup_actions, lower_try_finally_switch):
4934         Likewise.
4935         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
4936         ifc_temp_var): Likewise.
4937         * tree-inline.c (setup_one_parameter): Likewise.
4938         * tree-mudflap.c (mf_decl_cache_locals,
4939         mf_build_check_statement_for): Likewise.
4940         * tree-nested.c (init_tmp_var, save_tmp_var,
4941         finalize_nesting_tree_1): Likewise.
4942         * tree-outof-ssa.c (insert_copy_on_edge,
4943         insert_backedge_copies): Likewise.
4944         * tree-profile.c (tree_gen_edge_profiler,
4945         tree_gen_ic_profiler): Likewise.
4946         * tree-scalar-evolution.c (scev_const_prop): Likewise.
4947         * tree-sra.c (sra_build_assignment): Likewise.
4948         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
4949         * tree-ssa-math-opts.c (insert_reciprocals,
4950         execute_cse_sincos_1): Likewise.
4951         * tree-tailcall.c (adjust_accumulator_values,
4952         adjust_return_value): Likewise.
4953         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
4954         * tree-vect-transform.c (vect_create_data_ref_ptr,
4955         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
4956         vect_create_epilog_for_reduction, vectorizable_reduction,
4957         vectorizable_call, vectorizable_conversion,
4958         vectorizable_assignment, vectorizable_operation,
4959         vectorizable_type_demotion, vect_gen_widened_results_half,
4960         vect_permute_store_chain, vectorizable_store,
4961         vect_setup_realignment, vect_permute_load_chain,
4962         vectorizable_load, vectorizable_condition,
4963         vect_create_cond_for_align_checks): Likewise.
4964         * tree-vrp.c (build_assert_expr_for): Likewise.
4965
4966 2007-03-08  Ian Lance Taylor  <iant@google.com>
4967
4968         * tree-vrp.c: Include "intl.h".
4969         (usable_range_p): New static function.
4970         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
4971         overflowed values, juts set *strict_overflow_p.
4972         (compare_values): Only return -2 if one of the operands is not a
4973         constant.
4974         (compare_ranges): Call usable_range_p.
4975         (compare_range_with_value): Likewise.
4976         (vrp_evaluate_conditional_warnv): Rename from
4977         vrp_evaluate_conditional.  Make static.  Change all callers.
4978         (vrp_evaluate_conditional): New function.
4979         (simplify_div_or_mod_using_ranges): Issue warning about reliance
4980         on signed overflow.
4981         (simplify_abs_using_ranges): Likewise.
4982         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
4983         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
4984         within_stmt parameter.
4985         * tree-ssa-propagate.c (fold_predicate_in): Update call to
4986         vrp_evaluate_conditional.
4987         * tree-ssa-threadedge.c
4988         (record_temporary_equivalences_from_stmts_at_dest): Change
4989         simplify parameter to take a second tree parameter.
4990         (simplify_control_stmt_condition): Likewise.
4991         (thread_across_edge): Likewise.
4992         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
4993         (thread_across_edge): Likewise.
4994         * Makefile.in (tree-vrp.o): Depend upon intl.h.
4995
4996 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
4997
4998         * config/i386/i386.h (TARGET_SAHF): New define.
4999         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
5000         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
5001         (x86_sahf): New global variable.
5002         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
5003         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
5004         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
5005         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
5006         for 64-bit.
5007         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
5008         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
5009         when expanding fcomi/sahf based tests.
5010         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
5011         expanding sahf based alternative. Emit sahf based sequence when
5012         optimizing for code size.
5013         * config/i386/i386.md (x86_sahf_1): Do not disable for
5014         TARGET_64BIT, enable for TARGET_SAHF.
5015
5016 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
5017
5018         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
5019         spurious whitespace from error message.
5020
5021 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
5022
5023         PR c++/30852
5024         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
5025
5026 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
5027
5028         * c-decl.c (grokdeclarator): Disable warnings for anonymous
5029         bitfields.
5030         * tree-sra.c (instantiate_element): Propagate disabled warnings
5031         from the element itself to the created variable.
5032
5033 2007-03-07  Richard Henderson  <rth@redhat.com>
5034
5035         PR target/30848
5036         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
5037         silently fix up the stack in the case of a missing register.
5038
5039 2007-03-07  Paul Brook  <paul@codesourcery.com>
5040
5041         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
5042
5043 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
5044
5045         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
5046         New.
5047         (phase1_vrs): Use them.
5048         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
5049         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
5050         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
5051         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
5052         __gnu_Unwind_Restore_WMMXC if required.
5053         (_Unwind_VRS_Pop): Implement iWMMXt support.
5054         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
5055         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
5056         gnu_Unwind_Save_WMMXC): Define.
5057
5058 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
5059
5060         * config/vxworks.h (vxworks_override_options): Declare.
5061         (VXWORKS_OVERRIDE_OPTIONS): Use it.
5062         * config/vxworks.c: Include target.h and toplev.h.
5063         (vxworks_override_options): New function.
5064         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
5065
5066 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
5067
5068         * config/s390/s390.c (override_options): Don't emit an error when
5069         -mstack-size is used without providing -mstack-guard.
5070         (s390_emit_prologue): Choose stack_guard value automatically if not
5071         provided via command line.
5072         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
5073
5074 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
5075
5076         * config/i386/i386.c (output_set_got): Add a GOT initialization
5077         sequence for VxWorks PIC.
5078         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
5079         around labels as well as symbols.  Use gotoff_operand instead
5080         of local_symbolic_operand.
5081         (legitimize_pic_address): Use gotoff_operand instead of
5082         local_symbolic_operand.  Use @GOT accesses for labels as
5083         well as symbols.
5084         (ix86_output_addr_diff_elt): Use PC-relative rather than
5085         GP-relative offsets for VxWorks PIC.
5086         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
5087         no_new_pseudos.  Check whether the returned register is op0.
5088         * config/i386/i386.md (tablejump): Use PC-relative rather than
5089         GP-relative offsets for VxWorks PIC.
5090         * config/i386/predicates.md (gotoff_operand): New predicate.
5091
5092 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5093
5094         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
5095         before defining.
5096         * config/vxworks-dummy.h: New file.
5097         * config/i386/i386.h: Include it.
5098
5099 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
5100
5101         * dwarf2out.c (is_inlined_entry_point): New
5102         (add_high_low_attributes): Emit DW_AT_entry_pc along with
5103         DW_AT_ranges if the first subblock is the entry point.
5104
5105 2007-03-06  David Daney  <ddaney@avtrex.com>
5106
5107         * doc/install.texi (mips-*-*): Change recommended binutils
5108         version.
5109
5110 2007-03-06  Anatoly Sokolov <aesok@post.ru>
5111
5112         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
5113         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
5114         devices.
5115         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5116         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5117
5118 2007-03-06  Jan Hubicka  <jh@suse.cz>
5119
5120         * errors.h (warning, error, fatal, internal_error): Mark as cold.
5121         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
5122         are hot.
5123         (probably_cold_bb_p): Cold functions are cold.
5124         (probably_never_executed_bb_p): Cold functions are cold.
5125         (tree_bb_level_predictions): Predict calls to cold functions as not
5126         taken.
5127         (compute_function_frequency): Check hot/cold attributes.
5128         * function.h (function_frequency): Update comments.
5129         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
5130         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
5131         (c_common_att): Add cold and hot.
5132
5133         * doc/extend.texi (hot,cold attributes): Document.
5134
5135 2007-03-06  Andrew Haley  <aph@redhat.com>
5136
5137         * function.c (expand_function_end): Move blockage to just after we
5138         emit the label for the naked return from the function.
5139
5140 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5141
5142         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
5143         before redefining.
5144
5145 2007-03-06  Jan Hubicka  <jh@suse.cz>
5146
5147         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
5148         loaded for constant large models.  Non-large 64bit PIC can do.
5149         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
5150         * cmodel.h: Add LARGE PIC.
5151         * i386.md (UNSPEC_PLTOFF): New.
5152         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
5153         needed.
5154         (*call_1_rex64): Disable for large models.
5155         (*call_1_rex64_large): New.
5156         (*call_value_1_rex64): Disable for large models.
5157         (*call_value_1_rex64_large): New.
5158         (set_rip_rex4): New.
5159         (set_got_offset_rex64): New.
5160         * predicates.md (constant_call_address_operand): For large model
5161         constant calls are not possible.
5162         * i386-protos.h (construct_plt_address): Declare.
5163         * i386.c (override_options): Accept large models.
5164         (ix86_expand_prologue): Expand large PIC GOT pointer load.
5165         (legitimate_constant_p): Add new UNSPECs.
5166         (legitimate_pic_operand_p): Likewise.
5167         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
5168         (legitimize_pic_address): Do easy RIP relative way for TLS only for
5169         non-large model.
5170         (output_pic_addr_const): Add PLTOFF.
5171         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
5172         (ix86_expand_move): Legitimize pic address when in PIC mode.
5173         (construct_plt_address): New function.
5174         (ix86_expand_call): Offload the address to register and use GOT pointer
5175         for large model.
5176         * invoke.texi (mcmodel=large): Update documentation.
5177
5178 2007-03-06  Richard Henderson  <rth@redhat.com>
5179
5180         * config/i386/i386.c (x86_use_leave, x86_push_memory,
5181         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
5182         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
5183         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
5184         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
5185         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
5186         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
5187         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
5188         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
5189         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
5190         x86_partial_reg_dependency, x86_memory_mismatch_stall,
5191         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
5192         x86_sse_partial_reg_dependency, x86_sse_split_regs,
5193         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
5194         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
5195         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
5196         x86_schedule, x86_use_bt, x86_pad_returns,
5197         x86_use_xchgb): Merge into ...
5198         (ix86_tune_features): ... here.  New array.
5199         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
5200         x86_bswap): Merge into ...
5201         (ix86_arch_features): ... here.  New array.
5202         (x86_3dnow_a): Remove.
5203         (x86_accumulate_outgoing_args): Make static.
5204         (x86_arch_always_fancy_math_387): Make static.
5205         (ix86_tune_mask, ix86_arch_mask): Move ...
5206         (override_options): ... to local variables here.  Apply the
5207         appropriate mask to each element of ix86_arch_features and
5208         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
5209         as were done in the old macros.
5210         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
5211         * config/i386/i386.h (x86_use_leave, x86_push_memory,
5212         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
5213         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
5214         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
5215         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
5216         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
5217         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
5218         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
5219         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
5220         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
5221         x86_partial_reg_dependency, x86_memory_mismatch_stall,
5222         x86_accumulate_outgoing_args, x86_prologue_using_move,
5223         x86_epilogue_using_move, x86_decompose_lea,
5224         x86_arch_always_fancy_math_387, x86_shift1,
5225         x86_sse_partial_reg_dependency, x86_sse_split_regs,
5226         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
5227         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
5228         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
5229         x86_use_incdec, x86_pad_returns, x86_bswap,
5230         x86_partial_flag_reg_stall): Remove.
5231         (enum ix86_tune_indices): New.
5232         (ix86_tune_features): New.
5233         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
5234         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
5235         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
5236         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
5237         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
5238         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
5239         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
5240         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
5241         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
5242         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
5243         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
5244         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
5245         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
5246         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
5247         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
5248         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
5249         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
5250         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
5251         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
5252         TARGET_EXT_80387_CONSTANTS): Use it.
5253         (enum ix86_arch_indices): New.
5254         (ix86_arch_features): New.
5255         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
5256         TARGET_BSWAP): Use it.
5257         (ix86_tune_mask, ix86_arch_mask): Remove.
5258
5259 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
5260
5261         PR bootstrap/31020
5262         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
5263         Define using $${sysroot_headers_suffix}.
5264         * configure: Regenerate.
5265         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
5266         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
5267         defined.
5268         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
5269         * gcc.c (print_sysroot_headers_suffix): New.
5270         (option_map): Include --print-sysroot-headers-suffix.
5271         (display_help): Mention -print-sysroot-headers-suffix.
5272         (process_command): Handle -print-sysroot-headers-suffix.
5273         (do_spec_1): Append multilib directory to include-fixed path if
5274         sysroot suffixes in use.
5275         (main): Handle -print-sysroot-headers-suffix.
5276         * Makefile.in (start.encap): Don't depend on xlimits.h
5277         (xlimits.h): Remove.
5278         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
5279         limits.h for each multilib in fixinc_list.
5280         (fixinc_list, s-fixinc_list): New.
5281         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
5282         generate them for each multilib in fixinc_list.
5283         (stmp-fixproto): Use include-fixed.  Run fixproto for each
5284         multilib in fixinc_list.
5285         (mostlyclean): Don't remove xlimits.h.
5286         (clean): Remove include-fixed.
5287         (real-install-headers-tar, real-install-headers-cpio,
5288         real-install-headers-cp): Don't copy include, only include-fixed.
5289         (install-mkheaders): Depend on fixinc_list.  Don't depend on
5290         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
5291         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
5292         SYSTEM_HEADER_DIR setting in mkheaders.conf.
5293
5294 2007-03-06  Jan Hubicka  <jh@suse.cz>
5295
5296         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
5297         NANs easilly.
5298
5299 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5300
5301         * configure.ac: Allow tm_file to contain build-directory files.
5302         * configure: Regenerate.
5303         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
5304         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
5305         * config/m68k/print-sysroot-suffix.sh: New file.
5306
5307 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5308
5309         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
5310         of pic_offset_table_rtx if reload_completed.
5311         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
5312         PIC_OFFSET_TABLE_REGNUM.
5313         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
5314         return true.
5315         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
5316         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
5317
5318 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5319
5320         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
5321         functions that call eh_return.
5322
5323 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5324
5325         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
5326         functions that need a constant pool.
5327
5328 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5329
5330         PR target/28181
5331         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
5332         (m68k_preferred_reload_class): Likewise.
5333         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
5334         (SECONDARY_RELOAD_CLASS): Define.
5335         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
5336         (LIMIT_RELOAD_CLASS): Delete.
5337         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
5338         registers from storing bytes.
5339         (m68k_secondary_reload_class): New function.
5340         (m68k_preferred_reload_class): Likewise.
5341
5342 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5343
5344         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
5345         leaf functions.
5346         (m68k_expand_prologue): Likewise.
5347
5348 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5349
5350         * config/m68k/m68k-protos.h (output_sibcall): Declare.
5351         (mips_expand_epilogue): Add a bool parameter.
5352         (m68k_legitimize_sibcall_address): Declare.
5353         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
5354         (m68k_expand_epilogue): Add a parameter to select between sibling
5355         and normal epilogues.  Only generate a return for the latter.
5356         (m68k_ok_for_sibcall_p): New function.
5357         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
5358         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
5359         (sibcall_value, *sibcall_value): Likewise.
5360         (*call, *call_value): Require !SIBLING_CALL_P.
5361         (epilogue): Update call to m68k_expand_epilogue.
5362         (sibcall_epilogue): New pattern.
5363         * config/m68k/predicates.md (const_call_operand): Say that this
5364         predicate applies to sibling calls too.
5365         (sibcall_operand): New predicate.
5366
5367 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5368
5369         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
5370         alternatives as movsi_cf.
5371         (movsf_cf_hard): Add commentary.
5372
5373 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
5374             Richard Sandiford  <richard@codesourcery.com>
5375
5376         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
5377         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
5378         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
5379         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
5380         as being live on exit from an interrupt function.
5381         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
5382         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
5383         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
5384         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
5385         (m68k_interrupt_function_p): Globalize.
5386         (m68k_compute_frame_layout): Remove reverse mask code.
5387         (m68k_emit_movem, m68k_set_frame_related): New functions.
5388         (m68k_output_function_prologue): Delete in favor of...
5389         (m68k_expand_prologue): ...this new function.
5390         (m68k_output_function_epilogue): Delete in favor of...
5391         (m68k_expand_epilogue): ...this new function.
5392         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
5393         functions.
5394         (print_operand): Handle %?.
5395         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
5396         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
5397         (prologue, epilogue): New patterns.
5398         (return): Turn into a define_expand.
5399         (*return): New pattern, derived from old "return" pattern.  Use rte
5400         rather than rts for interrupt functions.  Only use rtd if the pop
5401         count is nonzero.
5402         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
5403         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
5404         (link, *link, unlink, *unlink, load_got): Likewise.
5405
5406 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5407
5408         PR target/23482
5409         PR target/17114
5410         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
5411         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
5412         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
5413         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
5414         and m68k_matches_u_p.
5415         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
5416         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
5417         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
5418         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
5419         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
5420         (REG_STRICT_P): New macro.
5421         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
5422         PCREL_GENERAL_OPERAND_OK.
5423         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
5424         m68k_legitimate_base_reg_p.
5425         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
5426         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
5427         (PIC_CASE_VECTOR_ADDRESS): Update comment.
5428         * config/m68k/m68k.c (m68k_address): New structure.
5429         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
5430         (m68k_decompose_index, m68k_legitimate_constant_address_p)
5431         (m68k_jump_table_ref_p, m68k_decompose_address)
5432         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
5433         (m68k_matches_u_p): New functions.
5434         (print_operand_address): Rewrite to use m68k_decompose_index.
5435
5436 2007-03-05  David Taylor  <dtaylor@emc.com>
5437
5438         * gcc.c: Correct copyright date in --version output.
5439
5440 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5441
5442         * pa.md: In unamed move patterns, disparge copies between general
5443         and floating point registers using '?' modifier.  Don't include 'f'
5444         constraint for register preferences in DImode, SImode, HImode and
5445         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
5446         Remove constraints for copies between general and floating registers
5447         in soft-float DFmode pattern.
5448         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
5449         floating register.
5450         (movsf): Likewise.
5451
5452 2007-03-05  Mike Stump  <mrs@apple.com>
5453
5454         * c-common.c (targetcm): Add.
5455         * c-opts.c (c_common_handle_option): Handle language specific
5456         target options.
5457         * opts.c (handle_option): Verify language for target options, if
5458         any are given.
5459         * opth-gen.awk: Add CL_LANG_ALL.
5460         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
5461         (TARGETCM_INITIALIZER): Add.
5462         * target.h (struct gcc_targetcm): Add.
5463         (targetcm): Add.
5464         * targhooks.c (default_handle_c_option): Add.
5465         * targhooks.h (default_handle_c_option): Add.
5466         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
5467
5468         * config/darwin.opt (iframework): Add.
5469         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
5470         * config/darwin-c.c (handle_c_option): Add.
5471         (TARGET_HANDLE_C_OPTION): Add.
5472         (targetcm): Add.
5473         * doc/invoke.texi (Darwin Options): Add -iframework.
5474
5475 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5476
5477         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
5478         conversion.
5479
5480 2007-03-05  Ian Lance Taylor  <iant@google.com>
5481
5482         * c.opt (fgnu89-inline): New option.
5483         * c-opts.c (c_common_post_options): Set default value for
5484         flag_gnu89_inline.
5485         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
5486         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
5487         inline functions.
5488         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
5489         (grokdeclarator, start_function): Likewise.
5490         * c-cppbuiltin.c (c_cpp_builtins): Define either
5491         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
5492         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
5493         (C Dialect Options): Document -fgnu89-inline.
5494         * doc/extend.texi (Function Attributes): Explain what the
5495         gnu_inline attribute does.
5496         * doc/cpp.texi (Common Predefined Macros): Document
5497         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
5498
5499 2007-03-05  Ian Lance Taylor  <iant@google.com>
5500
5501         PR tree-optimization/31034
5502         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
5503         half-range if the other side is an overflow infinity.
5504
5505 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
5506
5507         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
5508         (bfin*-linux-uclibc*): New configuration.
5509         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
5510         defining.
5511         * config/bfin/linux.h: New file.
5512         * config/bfin/libgcc-bfin.ver: New file.
5513         * config/bfin/t-bfin-uclinux: New file.
5514         * config/bfin/t-bfin-linux: New file.
5515         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
5516         (TARGET_OS_CPP_BUILTINS): New macro.
5517
5518 2007-03-05  Richard Guenther  <rguenther@suse.de>
5519
5520         * fold-const.c (fold_binary): Remove duplicate folding
5521         of comparison of non-null ADDR_EXPR against null.
5522
5523 2007-03-05  Richard Guenther  <rguenther@suse.de>
5524             Dorit Nuzman  <dorit@il.ibm.com>
5525
5526         PR tree-optimization/26420
5527         * tree-vectorizer.c (vectorize_loops): Bail out early if there
5528         are no loops in the function.  Only print the number of
5529         vectorized loops if it is greater than zero or we are supposed
5530         to print information about unvectorized loops.
5531
5532 2007-03-05  Revital Eres  <eres@il.ibm.com>
5533
5534         * gcc.dg/var-expand1.c: New test.
5535         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
5536         when an accumulator is expanded.
5537
5538 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5539
5540         PR other/30465
5541         * c-common.c (convert_and_check): Don't give warnings for
5542         conversion if 'expr' already overflowed.
5543
5544 2007-03-04  Roger Sayle  <roger@eyesopen.com>
5545
5546         PR middle-end/30744
5547         * fold-const.c (fold_comparison): Enforce type consistency when
5548         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
5549
5550 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
5551
5552         * tree-ssa-address.c (create_mem_ref): Do not put an expression
5553         containing a cast to the base of TARGET_MEM_REF.
5554
5555 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
5556
5557         * tree.c (tree_contains_struct_check_failed): Remove spurious
5558         whitespace from error message.
5559
5560 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
5561
5562         PR target/30406
5563         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
5564         instead of precision.
5565
5566 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
5567             Nathan Sidwell  <nathan@codesourcery.com>
5568
5569         * emit-rtl.c (find_auto_inc): New.
5570         (try_split): recreate REG_INC notes,
5571         Use regular for loops rather than whiles.
5572
5573 2007-03-03  Andreas Schwab  <schwab@suse.de>
5574
5575         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
5576         * configure: Regenerate.
5577
5578 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5579
5580         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
5581         flag_rounding_math, not flag_unsafe_math_optimizations.
5582
5583         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
5584         fold_build2.
5585         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
5586         alpha_fold_vector_minmax): Likewise.
5587         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
5588         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
5589
5590 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
5591
5592         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
5593         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
5594         if the lhs has side-effects.
5595         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
5596
5597 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5598
5599         * config/i386/i386.h (TUNEMASK): Remove define.
5600         (ARCHMASK): Remove define.
5601         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
5602          Use ix86_arch_mask variable instead of ARCHMASK.
5603         * config/i386/i386.c (override_options): Ditto.
5604         (standard_80387_constant_p): Ditto.
5605
5606 2007-03-02  Ian Lance Taylor  <iant@google.com>
5607
5608         Used signed infinities in VRP.
5609         * tree-vrp.c (uses_overflow_infinity): New static function.
5610         (supports_overflow_infinity): New static function.
5611         (make_overflow_infinity): New static function.
5612         (negative_overflow_infinity): New static function.
5613         (positive_overflow_infinity): New static function.
5614         (is_negative_overflow_infinity): New static function.
5615         (is_positive_overflow_infinity): New static function.
5616         (is_overflow_infinity): New static function.
5617         (overflow_infinity_range_p): New static function.
5618         (compare_values_warnv): New function split out of compare_values.
5619         (compare_value): Call it.
5620         (set_value_range_to_nonnegative): Add overflow_infinity
5621         parameter.  Change caller.
5622         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
5623         Change callers.
5624         (vrp_expr_computes_nonzero): Likewise.
5625         (compare_ranges, compare_range_with_value): Likewise.
5626         (compare_name_with_value, compare_names): Likewise.
5627         (vrp_evaluate_conditional): Likewise.
5628         (set_value_range): Handle infinity
5629         (vrp_operand_equal_p, operand_less_p): Likewise.
5630         (extract_range_from_assert): Likewise.
5631         (vrp_int_const_binop): Likewise.
5632         (extract_range_from_binary_expr): Likewise.
5633         (extract_range_from_unary_expr): Likewise.
5634         (extract_range_from_comparison): Likewise.
5635         (extract_range_from_expr): Likewise.
5636         (dump_value_range): Likewise.
5637         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
5638         (test_for_singularity): Likewise.
5639         (vrp_int_const_binop): Remove inline qualifier.
5640         (adjust_range_with_scev): Add comment.
5641         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
5642
5643 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
5644
5645         * tree-ssa-structalias.c (could_have_pointers): Tidy.
5646         (get_constraint_for): Likewise.
5647         (do_structure_copy): Likewise.
5648         (find_func_aliases): Fix references to MODIFY_EXPR.
5649         (intra_create_variable_infos): Tidy.
5650         * tree-ssa-operands.c (add_virtual_operand): Add argument
5651         IS_CALL_SITE.
5652         When adding members of alias sets, if IS_CALL_SITE is true and
5653         the symbol is not call-clobbered, skip it.
5654         Adjust all callers.
5655
5656 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
5657
5658         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
5659         entry by means of emit_insn_at_entry.
5660
5661 2007-03-02  Richard Henderson  <rth@redhat.com>
5662
5663         * expr.h (promoted_input_arg): Remove decl.
5664         * function.c (promoted_input_arg): Merge into ...
5665         * combine.c (setup_incoming_promotions): ... only caller.
5666         Rearrange to avoid double loop.
5667
5668 2007-03-02  Ben Elliston  <bje@au.ibm.com>
5669             Peter Bergner  <bergner@vnet.ibm.com>
5670             Janis Johnson  <janis187@us.ibm.com>
5671
5672         * config/rs6000/dfp.md: New file.
5673         * config/rs6000/rs6000.md: Include dfp.md.
5674         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
5675         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
5676         and TDmode decimal float modes in FP registers.
5677         (num_insns_constant): Likewise.
5678         (rs6000_legitimate_offset_address_p): Likewise.
5679         (rs6000_legitimize_address): Likewise.
5680         (rs6000_legitimize_reload_address): Likewise.
5681         (rs6000_legitimate_address): Likewise.
5682         (rs6000_emit_move): Likewise.
5683         (function_arg_boundary): Likewise.
5684         (function_arg_advance): Likewise.
5685         (rs6000_darwin64_record_arg_recurse): Likewise.
5686         (function_arg): Likewise.
5687         (rs6000_gimplify_va_arg): Likewise.
5688         (rs6000_split_multireg_move): Likewise.
5689         (rs6000_output_function_epilogue): Likewise.
5690         (rs6000_output_function_epilogue): Likewise.
5691         (rs6000_register_move_cost): Likewise.
5692         (rs6000_function_value): Likewise.
5693         (rs6000_libcall_value): Likewise.
5694
5695 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
5696
5697         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
5698
5699 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
5700
5701         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
5702         Use $MULTIDIR to choose between the kernel and RTP headers,
5703         and use $WIND_BASE and $WIND_USR to locate them.
5704
5705 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5706
5707         * config/i386/i386.c (override_options): Put initialization of
5708         ix86_tune_mask and ix86_arch_mask to the correct place.
5709
5710 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5711             Michael Meissner  <michael.meissner@amd.com>
5712
5713         PR target/31019
5714         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
5715         (ARCHMASK): Define.
5716         (TARGET_CMOVE): Use ARCHMASK.
5717         (TARGET_CMPXCHG): Ditto.
5718         (TARGET_CMPXCHG8B): Ditto.
5719         (TARGET_XADD): Ditto.
5720         (TARGET_BSWAP): Ditto.
5721         * config/i386/i386.c (ix86_tune_mask): New global variable.
5722         (ix86_arch_mask): Ditto.
5723         (override_options): Initialize ix86_tune_mask and
5724         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
5725         target_flags.
5726
5727 2007-03-02  Ben Elliston  <bje@au.ibm.com>
5728
5729         PR 30992
5730         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
5731
5732 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
5733
5734         * target.h (init_dwarf_reg_sizes_extra): New target hook.
5735         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
5736         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
5737         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
5738         hook.
5739         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
5740         rs6000_init_dwarf_reg_sizes_extra): New.
5741         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
5742         SPE register high parts.
5743
5744 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
5745
5746         * Makefile.in: Add install-pdf target as
5747         copied from automake v1.10 rules.
5748         * configure.ac: Add install-pdf to target list.
5749         * configure: Regenerate.
5750
5751 2007-03-01  Paul Brook  <paul@codesourcery.com>
5752
5753         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
5754         modes to LDRD for DImode.
5755         (output_move_double): Fixup out of range ldrd/strd.
5756         (vfp_secondary_reload_class): Rename...
5757         (coproc_secondary_reload_class): ... to this.  Add wb argument.
5758         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
5759         coproc_secondary_reload_class for CLASS_IWMMXT.
5760         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
5761         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
5762
5763 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
5764
5765         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
5766         factor by the estimated number of iterations.
5767         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
5768         prefetch latency.
5769
5770         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
5771         decode_caches_intel, detect_caches_intel): New functions.
5772         (host_detect_local_cpu): Use detect_caches_amd and
5773         detect_caches_intel.
5774
5775 2007-03-01  Richard Henderson  <rth@redhat.com>
5776
5777         * expr.c (emit_move_complex_push): Export.
5778         (emit_move_complex_parts): Split out from ...
5779         (emit_move_complex): ... here.
5780         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
5781         * config/i386/i386.md (movcdi): New.
5782
5783 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
5784
5785         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
5786         size of mode1 to check for tieable modes in MMX case.
5787
5788 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
5789
5790         * Makefile.in (rtlanal.o): Depend on tree.h.
5791         * rtl.h (offset_within_section_p, split_const): Declare.
5792         * rtlanal.c: Include tree.h.
5793         (offset_within_block_p): New function, taken from
5794         mips_offset_within_object_p.
5795         (split_const): New function, taken from mips_split_const.
5796         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
5797         Declare.
5798         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
5799         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
5800         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
5801         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
5802         (m68k_illegitimate_symbolic_constant_p): New function.
5803         * config/m68k/m68k.md (movsi): Remove misleading predicates.
5804         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
5805         symbolic constant that might be outside the symbol's section,
5806         move the symbol first and then add the offset.
5807         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
5808         Override.
5809         * config/mips/mips.c (mips_split_const): Delete.
5810         (mips_offset_within_object_p): Delete.
5811         (mips_symbolic_constant_p): Use offset_within_section_p and
5812         split_const instead of mips_offset_within_object_p and
5813         mips_split_const.
5814         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
5815         (mips_legitimize_const_move, print_operand_reloc)
5816         (mips_dangerous_for_la25_p): Use split_const instead of
5817         mips_split_const.
5818
5819 2007-02-28  Eric Christopher  <echristo@apple.com>
5820
5821         * Makefile.in (install-include-dir): Don't rm -rf include.
5822
5823 2007-02-28  Richard Guenther  <rguenther@suse.de>
5824
5825         PR middle-end/30364
5826         * fold-const.c (fold_binary): Do not associate expressions
5827         with more than one variable for integer types that do not wrap.
5828
5829 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
5830
5831         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
5832         Delete, and replace with...
5833         (fold_builtin_call_array): This.  Update callers to use it.
5834         * fold-const.c (fold_build_call_list): Delete, and replace with...
5835         (fold_build_call_array): This.
5836         (fold_build_call_list_initializer): Delete, and replace with...
5837         (fold_build_call_array_initializer): This.
5838         * tree.h: Update declarations to reflect above changes.
5839
5840         * c-typeck.c (build_function_call): Store converted arguments
5841         in a stack-allocated array instead of building a list.
5842         (convert_arguments): Store arguments in the array passed in as an
5843         argument, and return the actual number of arguments.
5844         * c-format.c: (check_function_format): Pass arguments in an
5845         array instead of a list.
5846         * c-common.c (check_function_nonnull): Likewise.
5847         (check_function_sentinel): Likewise.
5848         (check_function_arguments): Likewise.
5849         * c-common.h: Update declarations to reflect above changes.
5850
5851 2007-02-28  Jan Hubicka  <jh@suse.cz>
5852
5853         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
5854         PRED_NEGATIVE_RETURN): Update outcomes.
5855
5856 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
5857
5858         * calls.c (emit_library_call_value_1): Handle partial registers
5859         correctly when building up CALL_INSN_FUNCTION_USAGE.
5860
5861 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5862
5863         * pa/predicates.md (move_src_operand): Allow zero for mode.
5864         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
5865         move pattern.
5866
5867 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
5868
5869         PR target/30970
5870         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
5871         *movv2df_internal): Enable pattern only for valid operand
5872         combinations.
5873         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
5874         tie only 128bit modes. For MMX registers, tie only 64bit modes.
5875
5876 2007-02-27  Mike Stump  <mrs@apple.com>
5877
5878         * config/darwin-crt3.c: Avoid compilation when compiling for a
5879         kext multilib.
5880
5881 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
5882
5883         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
5884         FIXED_INCLUDE_DIR.
5885         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
5886         for fixed headers and limits.h.
5887         (install-include-dir, install-headers-tar, install-headers-cpio,
5888         install-headers-cp, real-install-headers-tar,
5889         real-install-headers-cpio, real-install-headers-cp): Handle
5890         include-fixed as well as include.
5891         (install-mkheaders): Don't install files that go only in include
5892         not include-fixed.
5893         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
5894         from GCC_INCLUDE_DIR.
5895         * gcc.c (process_command): Remove special -BstageN/ handling.
5896         (do_spec_1): Add include-fixed directories.
5897
5898 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5899
5900         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
5901         _smulsi3_highpart.
5902         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
5903         New functions.
5904         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
5905         patterns.
5906
5907 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
5908
5909         * c-common.c (get_priority): Add check for
5910         SUPPORTS_INIT_PRIORITY.
5911
5912 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5913
5914         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
5915
5916         * config/bfin/bfin.c: Include "cfglayout.h".
5917         (MAX_LSETUP_DISTANCE): New macro.
5918         (struct loop_info): New members incoming, incoming_src and
5919         incoming_dest.  Delete member predecessor.
5920         (length_for_loop): New function.
5921         (bfin_optimize_loop): Handle more different loop structures.
5922         (bfin_discover_loop): Rework detection of predecessor blocks by
5923         examining incoming edges.
5924         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
5925         bfin_reorg_loops.
5926         (bfin_reorder_loops): New function.
5927         (bfin_reorg_loops): Use these three new functions.
5928
5929         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
5930         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
5931         (CONSTRAINT_LEN): Add entry for 'q'.
5932         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
5933         Add 'q' constraints.
5934         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
5935         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
5936
5937         * config/bfin/bfin.md (add_with_carry): New pattern.
5938         (s_or_u, su_optab, su_modifier): New code macros/attrs.
5939         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
5940         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
5941         support unsigned multiplies too.  Removed incorrect commutativity from
5942         operand 1 constraint where appropriate.
5943         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
5944         patterns.
5945         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
5946         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
5947         New patterns.
5948         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
5949         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
5950         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
5951         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
5952         usmulhisi_hh_huh): New patterns.
5953
5954         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
5955         lshifthi3): Fix output template to use half reg for operand 2.
5956
5957         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
5958         instead of R2.
5959
5960         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
5961
5962 2007-02-27  Andreas Schwab  <schwab@suse.de>
5963
5964         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
5965
5966 2007-02-27  Jan Hubicka  <jh@suse.cz>
5967
5968         * predict.c (last_basic_block_p): Remove.
5969         (tree_estimate_probability): Update return heuristic for commonized
5970         return blocks.
5971
5972 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
5973
5974         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
5975
5976 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
5977
5978         * doc/include/gcc-common.texi (versionsubtitle): New macro.
5979         * doc/cpp.texi: Standardize title page.
5980         * doc/cppinternals.texi: Likewise.
5981         * doc/gcc.texi: Standardize title page, remove version number
5982         from copyright page.
5983         * doc/gccint.texi: Likewise.
5984         * doc/install.texi: Standardize title page, add table of
5985         contents.
5986
5987 2007-02-26  Jan Hubicka  <jh@suse.cz>
5988
5989         * predict.def: Set outcomes according to more recent results.
5990         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
5991         Remove dead predictors.
5992         * predict.c (return_prediction): Fix pasto.
5993
5994 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5995
5996         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
5997         change; avoid a memory leak when returning early.
5998
5999 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
6000
6001         * c-decl.c (static_ctors): Move to c-common.c.
6002         (static_dtors): Likewise.
6003         (finish_function): Use c_record_cdtor_fn.
6004         (build_cdtor): Move to c-common.c.
6005         (c_write_global_declarations): Use c_build_cdtor_fns.
6006         * c-common.h (static_ctors): Declare.
6007         (static_dtors): Likewise.
6008         (c_record_cdtor_fn): Likewise.
6009         (c_build_cdtor_fns): Likewise.
6010         * c-common.c (static_ctors): New variable.
6011         (static_dtors): Likewise.
6012         (c_record_cdtor_fn): New function.
6013         (build_cdtor): Move from c-decl.c
6014         (c_build_cdtor_fns): New function.
6015
6016         * output.h (assemble_addr_to_section): Declare.
6017         (get_cdtor_priority_section): Likewise.
6018         * varasm.c (assemble_addr_to_section): New function.
6019         (get_cdtor_priority_section): Likewise.
6020         (default_named_section_asm_out_destructor): Use them.
6021         (destor_dtor_section_asm_out_destructor): Likewise.
6022         (default_named_section_asm_out_constructor): Likewise.
6023         (default_ctor_section_asm_out_constructor): Likewise.
6024         * config.gcc (*-*-vxworks*): Include vxworks.o.
6025         * config/t-vxworks (vxworks.o): New target.
6026         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
6027         (TARGET_ASM_CONSTRUCTOR): Define.
6028         (TARGET_ASM_DESTRUCTOR): Likewise.
6029         (vxworks_asm_out_constructor): Declare.
6030         (vxworks_asm_out_destructor): Likewise.
6031
6032         * c-common.c (get_priority): Check that we have not just an
6033         INTEGER_CST, but an integer constant with integeral type.
6034
6035 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
6036
6037         PR tree-optimization/30938
6038         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
6039         use &dt[nargs-1] instead of &dt[nargs] in the call to
6040         vect_is_simple_use().
6041
6042 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
6043
6044         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
6045         from register elimination as PRE_MODIFY / POST_MODIFY increments.
6046         Do not attempt to handle MEM inside auto-inc expressions.
6047         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
6048         of a register modified by an auto-inc expression.  However, do handle
6049         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
6050         (elimination_effects): Prohibit elimination of a register modified
6051         by an auto-inc expression.  Disable register elimination rules whose
6052         target register is modified by an auto-inc expression with variable
6053         increment.
6054
6055 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
6056
6057         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
6058         off-by-one error.
6059         (array_at_struct_end_p): New function.
6060         (idx_infer_loop_bounds): Use it.
6061         (estimate_numbers_of_iterations_loop): Export.
6062         * predict.c (predict_loops): Use estimated_loop_iterations_int.
6063         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
6064         (tree_estimate_probability): Call record_loop_exits.
6065         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
6066         (estimated_loop_iterations, estimated_loop_iterations_int,
6067         estimated_loop_iterations_tree): New functions.
6068         (analyze_siv_subscript_cst_affine,
6069         compute_overlap_steps_for_affine_1_2,
6070         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
6071         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
6072         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
6073         (PRED_LOOP_ITERATIONS_GUESSED): New.
6074         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
6075         * cfgloop.h (estimate_numbers_of_iterations_loop,
6076         estimated_loop_iterations_int): Declare.
6077
6078 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
6079
6080         * doc/extend.texi: Document optional priority argument to
6081         constructors and destructors.
6082         * tree.c (init_priority_for_decl): Adjust GTY markers.
6083         (init_ttree): Use priority-info hash functions for
6084         init_priority_for_decl.
6085         (tree_map_eq): Rename to ...
6086         (tree_map_base_eq): ... this.
6087         (tree_map_marked_p): Rename to ...
6088         (tree_map_base_marked_p): ... this.
6089         (tree_map_base_hash): New function.
6090         (decl_init_priority_lookup): Rework.
6091         (decl_fini_priority_lookup): New function.
6092         (decl_priority_info): New function.
6093         (decl_init_priority_insert): Use it.
6094         (decl_fini_priority_insert): Likewise.
6095         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
6096         hierarchy.
6097         (decl_restrict_base_insert): Likewise.
6098         (decl_debug_expr_insert): Likewise.
6099         (decl_value_expr_lookup): Likewise.
6100         (decl_value_expr_insert): Likewise.
6101         * tree.h (priority_type): New type.
6102         (decl_init_priority_lookup): Use priority_type.
6103         (decl_fini_priority_lookup): New function.
6104         (decl_init_priority_insert): Use priority_type.
6105         (decl_fini_priority_insert): New function.
6106         (DECL_HAS_INIT_PRIORITY): Tweak comments.
6107         (DECL_INIT_PRIORITY): Likewise.
6108         (SET_DECL_INIT_PRIORITY): Add comment.
6109         (DECL_FINI_PRIORITY): New macro.
6110         (SET_DECL_FINI_PRIORITY): Likewise.
6111         (DEFAULT_INIT_PRIORITY): Document.
6112         (MAX_INIT_PRIORITY): Likewise.
6113         (MAX_RESERVED_INIT_PRIORITY): Likewise.
6114         (tree_map_base): New type.
6115         (tree_map_base_eq): New function.
6116         (tree_map_base_hash): Likewise.
6117         (tree_map_base_marked_p): Likewise.
6118         (tree_map): Inherit from tree_map_base.
6119         (tree_map_eq): Make it a macro.
6120         (tree_map_marked_p): Likewise.
6121         (tree_int_map): Inherit from tree_map_base.
6122         (tree_int_map_eq): Make it a macro.
6123         (tree_int_map_hash): Likewise.
6124         (tree_int_map_marked_p): Likewise.
6125         (tree_priority_map): New type.
6126         (tree_priority_map_eq): New macro.
6127         (tree_priority_map_hash): Likewise.
6128         (tree_priority_map_marked_p): Likewise.
6129         * varasm.c (emults_decl): Adjust for refactoring of tree_map
6130         hierarchy.
6131         (emutls_common_1): Likewise.
6132         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
6133         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
6134         of tree_map hierarchy.
6135         * tree-cfg.c (move_stmt_r): Likewise.
6136         (new_label_mapper): Likewise.
6137         * c-tree.h (c_expand_body): Move to ...
6138         * c-common.h (c_expand_body): ... here.
6139         * c-decl.c (c_expand_body): Move to ...
6140         * c-common.c (c_expand_body): ... here.
6141         (c_common_attribute_table): Allow 1 argument for the constructor
6142         and destructor attributes.
6143         (get_priority): New function.
6144         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
6145         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
6146
6147 2007-02-24  Jan Hubicka  <jh@suse.cz>
6148
6149         PR middle-end/30509
6150         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
6151
6152 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
6153             Jan Hubicka  <jh@suse.cz>
6154
6155         PR target/30778
6156         * i386.c (counter_mode): New function.
6157         (expand_set_or_movmem_via_loop): Use it.
6158         (expand_movmem_epilogue): Likewise; fix pasto.
6159         (ix86_expand_movmem): Do emit guard even for constant counts.
6160         (ix86_expand_setmem): Likewise.
6161
6162 2007-02-25  Nick Clifton  <nickc@redhat.com>
6163
6164         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
6165         (JUMP_TABLES_IN_TEXT_SECTION): Define.
6166
6167 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
6168
6169         PR target/30770
6170         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
6171         count argument with 0x10, not with 0x16.
6172         (expand_setmem_epilogue): Ditto.
6173
6174 2007-02-24  Mike Stump  <mrs@apple.com>
6175
6176         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
6177         symbols.
6178
6179 2007-02-24  Richard Guenther  <rguenther@suse.de>
6180
6181         PR middle-end/30951
6182         * fold-const.c (fold_binary): Fold x +- CST op x for
6183         EQ_EXPR and NE_EXPR.
6184
6185 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6186
6187         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
6188
6189 2007-02-24  Jan Hubicka  <jh@suse.cz>
6190
6191         * cgraphunit.c (decide_is_function_needed): Honor
6192         -fkeep-inline-functions.
6193
6194 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6195
6196         * builtins.c (fold_builtin_modf): New.
6197         (fold_builtin_2): Use it.
6198
6199 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
6200
6201         * loop-iv.c (implies_p): Detect additional cases where A implies B.
6202         (determine_max_iter): Take additional LOOP arg; all callers changed.
6203         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
6204         one using simplifications.
6205         (simplify_using_initial_values): Return if the expression becomes
6206         invalid due to altered regs.
6207
6208 2007-02-23  DJ Delorie  <dj@redhat.com>
6209
6210         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
6211
6212 2007-02-23  Mike Stump  <mrs@apple.com>
6213
6214         * tlink.c (scan_linker_output): Parse linker messages from
6215         darwin9's linker better.
6216
6217 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
6218
6219         PR debug/29614
6220         * varpool.c (varpool_assemble_pending_decls):  Set
6221         varpool_last_needed_node to null.
6222
6223 2007-02-23  DJ Delorie  <dj@redhat.com>
6224
6225         * config/i386/i386.c (ix86_data_alignment): Don't specify an
6226         alignment bigger than the object file can handle.
6227
6228 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
6229
6230         PR target/30825
6231         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
6232         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
6233         (*movsf_1): Penalize MMX moves.
6234
6235 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
6236
6237         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
6238         2^32-1 or more times unless flag_unsafe_loop_optimizations.
6239
6240         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
6241
6242 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6243
6244         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
6245         (fold_builtin_1): Use them.
6246         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
6247         BUILT_IN_SIGNIFICAND.
6248
6249 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
6250
6251         * config/i386/i386.c (bdesc_1arg): Initialize
6252         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
6253         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
6254         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
6255         and IX86_BUILTIN_MOVSLDUP.
6256
6257 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
6258
6259         PR rtl-optimization/30841
6260         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
6261
6262 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6263
6264         * builtins.c (fold_builtin_frexp): New.
6265         (fold_builtin_2): Use it.
6266
6267 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
6268
6269         * doc/invoke.texi (Spec Files): Document getenv spec function.
6270
6271         * gcc.c (getenv_spec_function): New function.
6272         (static_spec_functions): Add it.
6273         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
6274         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
6275         header files.
6276
6277 2007-02-22  Michael Matz  <matz@suse.de
6278
6279         PR c++/29433
6280         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
6281         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
6282
6283 2007-02-22  Ian Lance Taylor  <iant@google.com>
6284
6285         PR debug/30898
6286         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
6287         (mem_loc_descriptor): Call it.
6288
6289 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
6290             Ira Rosen  <irar@il.ibm.com>
6291
6292         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
6293
6294 2007-02-22  Ira Rosen  <irar@il.ibm.com>
6295
6296         PR tree-optimization/30843
6297         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
6298         stores only after all the group is vectorized.
6299
6300 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
6301
6302         PR tree-optimization/30858
6303         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
6304         in the reduction cycle have a single use in the loop.
6305         * tree-vectorizer.h (relevant): Add documentation.
6306
6307 2007-02-20  Mike Stump  <mrs@apple.com>
6308
6309         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
6310         * configure: Regenerate.
6311
6312 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
6313
6314         Change the defaults of some parameters and options.
6315         * config/spu/spu-protos.h (spu_optimization_options): Declare.
6316         * config/spu/spu.c (spu_optimization_options): Add.
6317         (spu_override_options): Change params in spu_optimization_options.
6318         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
6319
6320         Register 127 is only 16 byte aligned when used as a frame pointer.
6321         * config/spu/spu-protos.h (spu_init_expanders): Declare.
6322         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
6323         HARD_FRAME_POINTER_REGNUM.
6324         (spu_legitimate_address):  Use regno_aligned_for_reload.
6325         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
6326         aligned when frame_pointer_needed is true.
6327         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
6328         to 8 bits.
6329         * config/spu/spu.h (INIT_EXPANDERS): Define.
6330
6331         Make sure shift and rotate instructions have valid immediate operands.
6332         * config/spu/predicates.md (spu_shift_operand): Remove.
6333         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
6334         * config/spu/constraints.md (W, O): Extend range.
6335         * config/spu/spu.md (umask, nmask): Define.
6336         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
6337         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
6338         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
6339         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
6340         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
6341         (lshr<mode>3_reg):  Fix rtl description.
6342
6343         Make sure mulhisi immediate operands are valid.
6344         * config/spu/predicates.md (imm_K_operand): Add.
6345         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
6346
6347         Generate constants using fsmbi and andi.
6348         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
6349         (print_operand, spu_split_immediate, classify_immediate,
6350         fsmbi_const_p): Handle IC_FSMBI2.
6351
6352         Correctly handle a CONST_VECTOR containing symbols.
6353         * config/spu/spu.c (print_operand): Handle HIGH correctly.
6354         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
6355         (immediate_load_p): Allow symbols that use 2 instructions to create.
6356         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
6357         with symbols when flag_pic is set.
6358         (const_vector_immediate_p): New.
6359         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
6360         accept a CONST_VECTOR with symbols.
6361         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
6362         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
6363         correctly.
6364         * config/spu/spu.md (high, low): Delete.
6365         (low_<mode>): Define.
6366
6367         Remove INTRmode and INTR_REGNUM, which didn't work.
6368         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
6369         of INTR_REGNUM.
6370         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
6371         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
6372         peephole2 pattern): Don't use INTR or 131.
6373         (movintrcc): Delete.
6374         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
6375         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
6376         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
6377         (UNSPEC_SET_INTR): Add.
6378         * config/spu/spu-modes.def (INTR): Remove.
6379
6380         More accurate warnings about run-time relocations.
6381         * config/spu/spu.c (reloc_diagnostic): Test in_section.
6382
6383         Correctly warn about immediate arguments to specific intrinsics.
6384         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
6385         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
6386         the instruction predicate.
6387
6388         Fix tree check errors with latest update.
6389         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
6390         CALL_EXPR_ARG.
6391         (spu_expand_builtin): Use CALL_EXPR_FN.
6392
6393         Add missing specific intrinsics.
6394         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
6395         si_bislede.
6396         * config/spu/spu_internals.h: Ditto.
6397
6398         Fix incorrect operand modifiers.
6399         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
6400         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
6401
6402         Optimize one case of zero_extend of a vec_select.
6403         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
6404
6405         Accept any immediate for hbr.
6406         * config/spu/spu.md (hbr):  Change s constraints to i.
6407
6408 2007-02-21  Paul Brook  <paul@codesourcery.com>
6409
6410         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
6411         condexec_count when skipping USE and CLOBBER.
6412
6413 2007-02-21  Nick Clifton  <nickc@redhat.com>
6414
6415         * common.opt (Warray-bounds): Add Warning attribute.
6416         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
6417         Likewise.
6418         (fsized-zeroes): Add Optimization attribute.
6419         (fsplit-wide-types, ftree-scev-cprop): Likewise.
6420         * c.opt (Wc++0x-compat): Add Warning attribute.
6421
6422 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
6423
6424         PR middle-end/30761
6425         * reload1.c (eliminate_regs_in_insn): In the single_set special
6426         case, attempt to re-recognize the insn before falling back to
6427         having reload fix it up.
6428
6429 2007-02-20  Eric Christopher  <echristo@gmail.com>
6430
6431         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
6432         Rewrite accordingly.
6433         (frv_read_iacc_argument): Ditto.
6434         (frv_expand_set_builtin): Take a call instead of arglist, update for
6435         above changes.
6436         (frv_expand_unop_builtin): Ditto.
6437         (frv_expand_binop_builtin): Ditto.
6438         (frv_expand_cut_builtin): Ditto.
6439         (frv_expand_binopimm_builtin): Ditto.
6440         (frv_expand_voidbinop_builtin): Ditto.
6441         (frv_expand_int_void2arg): Ditto.
6442         (frv_expand_prefetches): Ditto.
6443         (frv_expand_voidtriop_builtin): Ditto.
6444         (frv_expand_voidaccop_builtin): Ditto.
6445         (frv_expand_load_builtin): Ditto.
6446         (frv_expand_store_builtin): Ditto.
6447         (frv_expand_mdpackh_builtin): Ditto.
6448         (frv_expand_mclracc_builtin): Ditto.
6449         (frv_expand_mrdacc_builtin): Ditto.
6450         (frv_expand_mwtacc_builtin): Ditto.
6451         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
6452         calls for above.
6453
6454 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
6455
6456         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
6457         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
6458         cmpb instruction.
6459         (HAVE_GAS_DFP): Check for assembler support of decimal floating
6460         point instructions.
6461         * configure: Regenerate.
6462         * config.in: Regenerate.
6463         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
6464         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
6465         masks to power6 and power6x and to POWERPC_MASKS.
6466         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6467         _ARCH_PWR6.
6468         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
6469         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
6470         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
6471         Access PROTOTYPE as variable, not mask.
6472
6473 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
6474
6475         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
6476         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
6477         * combine.c (adjust_for_new_dest): Use it.
6478         * postreload.c (reload_combine): Likewise.
6479
6480 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
6481
6482         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
6483         notes on an insn with multiple sets, even if single_set returns
6484         non-NULL for that insn.
6485
6486 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6487
6488         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
6489         scalbn and scalbln.
6490
6491 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
6492
6493         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
6494         if user didn't pass it.
6495         * config/i386/darwin.h (CC1_SPEC): Likewise.
6496         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
6497         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
6498         -mmacosx-version-min.
6499
6500 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6501             Uros Bizjak  <ubizjak@gmail.com>
6502
6503         * optabs.h (enum optab_index): Add new OTI_scalb.
6504         (scalb_optab): Define corresponding macro.
6505         * optabs.c (init_optabs): Initialize scalb_optab.
6506         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
6507         patterns.
6508         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
6509         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
6510         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
6511         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
6512         flag_unsafe_math_optimizations is set.
6513
6514         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
6515         to implement scalbf, scalb and scalbl built-ins as inline x87
6516         intrinsics.
6517
6518 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6519             DJ Delorie <dj@redhat.com>
6520
6521         PR other/30824
6522         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
6523         (diagnostic_report_diagnostic): ... here, and turn them into real
6524         errors. If warnings are inhibited, no need to do anything.
6525
6526 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
6527
6528         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
6529         better code generation.
6530
6531 2007-02-20  Ben Elliston  <bje@au.ibm.com>
6532
6533         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
6534
6535 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
6536
6537         * config/alpha/alpha.c, config/alpha/alpha.md,
6538         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
6539         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
6540         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
6541         config/arm/lib1funcs.asm: Follow spelling conventions.
6542
6543         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
6544         config/fr30/fr30.md, config/i386/i386.h,
6545         config/iq2000/iq2000.h, config/iq2000/predicates.md,
6546         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
6547         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
6548         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
6549         config/rs6000/altivec.md, config/rs6000/rs6000.c,
6550         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
6551         config/sparc/sparc.c, config/sparc/sparc.h,
6552         config/sparc/sparc.md, config/spu/constraints.md,
6553         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
6554         conventions.
6555
6556 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
6557
6558         PR target/29943
6559         * varasm.c (use_blocks_for_decl_p): Return false for decls with
6560         alias attribute.
6561
6562 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
6563
6564         * doc/invoke.texi (-ftree-lrs): Remove.
6565
6566 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
6567
6568         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
6569         NULL.
6570
6571 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
6572
6573         * config/ia64/ia64.c (ia64_expand_builtin): Use the
6574         new CALL_EXPR_FN macro for retrieving the function
6575         declaration of the input expression.
6576
6577 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6578
6579         * c.opt (Waddress): New.
6580         * common.opt (Walways-true): Delete.
6581         (Wstring-literal-comparison): Delete.
6582         * doc/invoke.texi (Warning Options): Delete -Walways-true and
6583         -Wstring-literal-comparison. Add -Waddress.
6584         (Waddress): New.
6585         (Walways-true): Delete.
6586         (Wstring-literal-comparison): Delete.
6587         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
6588         consistently instead of -Walways-true in example.
6589         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
6590         * c-typeck.c (parser_build_binary_op): Replace
6591         -Wstring-literal-comparison and -Walways-true with -Waddress.
6592         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
6593         with -Waddress.
6594
6595 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
6596
6597         * tree-cfg.c (dump_function_to_file): Be prepared for functions
6598         without DECL_STRUCT_FUNCTION initialized.
6599
6600 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
6601
6602         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
6603         due to calls to functions taking pointers as parameters.
6604
6605 2007-02-19  Richard Henderson  <rth@redhat.com>
6606
6607         PR debug/29558
6608         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
6609         in memory.
6610
6611 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
6612
6613         * config/s390/s390.c (s390_call_saved_register_used,
6614         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
6615         accessed to the new scheme.
6616
6617 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
6618
6619         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
6620         (cris_print_index, cris_print_operand, cris_print_operand_address)
6621         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
6622         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
6623         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
6624         GET_CODE () == xxx.
6625         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
6626         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
6627         GO_IF_LEGITIMATE_ADDRESS): Ditto.
6628         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
6629         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
6630         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
6631         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
6632         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
6633         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
6634         (uminsi3, call, call_value): Ditto.
6635         (define_split: indir_to_reg_split, unnamed): Ditto.
6636
6637 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
6638
6639         PR tree-optimization/30975
6640         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
6641         wrong assert.
6642
6643 2007-02-18  Eric Christopher  <echristo@gmail.com>
6644
6645         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
6646         Remove use of arglist.
6647         (mips_expand_builtin): Remove use of arglist, pass in expr.
6648         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
6649         (mips_expand_builtin_movtf): Ditto.
6650         (mips_expand_builtin_compare): Ditto.
6651
6652 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
6653
6654         * tree-sra.c (sra_build_assignment): Replace assertion
6655         checking with a comment explaining why it can't be done.
6656
6657 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
6658
6659         PR middle-end/30833
6660         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
6661         during CALL_EXPR representation conversion.
6662         * tree-ssa-propagate.c (set_rhs): Likewise.
6663
6664 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
6665
6666         * tree-sra.c (sra_build_assignment): Disable assertion checking
6667         for now.
6668
6669 2007-02-18  Roger Sayle  <roger@eyesopen.com>
6670
6671         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
6672         instead of calling build2 with a GIMPLE_MODIFY_STMT.
6673         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
6674         Likewise.
6675         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
6676         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
6677         gimplify_init_ctor_eval_range, gimple_push_cleanup,
6678         gimplify_omp_for, gimplify_omp_atomic_pipeline,
6679         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
6680         force_gimple_operand): Likewise.
6681         * ipa-cp.c (constant_val_insert): Likewise.
6682         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6683         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
6684         perfect_nestify): Likewise.
6685         * langhooks.c (lhd_omp_assignment): Likewise.
6686         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
6687         lower_copyprivate_clauses, lower_send_clauses,
6688         lower_send_shared_vars, expand_parallel_call,
6689         expand_omp_for_generic, expand_omp_for_static_nochunk,
6690         expand_omp_for_static_chunk, expand_omp_sections,
6691         lower_omp_single_copy, lower_omp_for_lastprivate,
6692         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
6693         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
6694         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
6695         Likewise.
6696
6697 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
6698
6699         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
6700         config/sh/sh.md: Follow spelling conventions.
6701
6702         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
6703         config/frv/predicates.md: Follow spelling conventions.
6704
6705         * config/m68k/linux-unwind.h: Fix a comment typo.
6706         * target.h: Follow spelling conventions.
6707
6708 2007-02-18  Roger Sayle  <roger@eyesopen.com>
6709
6710         PR rtl-optimization/28173
6711         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
6712         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
6713         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
6714         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
6715         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
6716
6717 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6718
6719         * builtins.c (fold_builtin_load_exponent): New.
6720         (fold_builtin_2): Use it.
6721
6722 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
6723
6724         PR rtl-optimization/30773
6725         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
6726         if we fail to attach a REG_EQUIV note.
6727
6728 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
6729             Roger Sayle  <roger@eyesopen.com>
6730
6731         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
6732
6733 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
6734
6735         * calls.c (initialize_argument_information): Pass original EXP
6736         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
6737         code to split complex arguments here, as part of initializing the
6738         ARGS array.
6739         (expand_call): Remove code that builds a list of arguments and
6740         inserts implicit arguments into it.  Instead, just count how many
6741         implicit arguments there will be so we can determine the size of
6742         the ARGS array, and let initialize_argument_information do the work.
6743         (split_complex_values): Delete unused function.
6744
6745 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
6746
6747         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
6748
6749 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
6750
6751         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
6752         for arg pointer based indexed addressing.
6753
6754 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
6755
6756         * config/ia64/ia64.h, config/ia64/ia64.md,
6757         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
6758         spelling conventions.
6759
6760 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6761
6762         * config/m68k/m68k.c (split_di): New.
6763         * config/m68k/m68k-protos.h: Declare split_di.
6764         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
6765           Improve predicate handling and split constant shifts.
6766
6767 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6768
6769         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
6770         parameter for register bitfield operations, general predicates
6771         cleanup
6772
6773 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6774
6775         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
6776         * config/m68k/linux-unwind.h: New file.
6777
6778 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
6779
6780         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
6781         config/i386/athlon.md, config/ia64/ia64.md,
6782         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
6783         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
6784         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
6785         tree-ssa-loop-niter.c, tree-vect-analyze.c,
6786         tree-vect-transform.c: Fix comment typos.
6787
6788 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
6789
6790         * sched-deps.c (find_insn_list): Remove.
6791         * sched-int.h: Remove the prototype for find_insn_list.
6792
6793 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
6794
6795         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
6796         to linker.
6797         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
6798         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
6799         darwin_rs6000_override_options.
6800         (C_COMMON_OVERRIDE_OPTIONS): Expect
6801         darwin_macosx_version_min to be non-NULL always.
6802         (TARGET_C99_FUNCTIONS): Likewise.
6803         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
6804         (DARWIN_MINVERSION_SPEC): New.
6805         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
6806         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
6807         to cc1*.
6808         (DARWIN_MINVERSION_SPEC): New.
6809         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
6810         value.
6811         * config/darwin-c.c (darwin_cpp_builtins): Expect
6812         darwin_macosx_version_min to be non-NULL always.
6813
6814         * config/rs6000/rs6000.c: Clean up trailing whitespace.
6815
6816 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
6817
6818         * config/i386/i386.h (x86_use_xchgb): New.
6819         (TARGET_USE_XCHGB): New macro.
6820         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
6821         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
6822         Split after reload into bswaphi for shifts of 8.
6823         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
6824         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
6825         or when optimizing for size.
6826
6827 2007-02-16  Richard Guenther  <rguenther@suse.de>
6828             Christian Bruel  <christian.bruel@st.com>
6829
6830         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
6831         DECLs but prefer SSA_NAMEs over DECLs.
6832
6833 2007-02-16  Richard Guenther  <rguenther@suse.de>
6834
6835         * tree-flow-inline.h (single_imm_use_p): Remove.
6836         (zero_imm_uses_p): Likewise.
6837         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
6838         instead of single_imm_use_p.
6839         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
6840         zero_imm_uses_p.
6841
6842 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6843
6844         PR other/27843
6845         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
6846         nested double- and backquotes.
6847
6848 2007-02-15  Roger Sayle  <roger@eyesopen.com>
6849
6850         PR middle-end/30391
6851         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
6852         should be unreachable.
6853         (build2_stat): Allow construction of MODIFY_EXPR at any time.
6854         For the time being redirect GIMPLE_MODIFY_STMT to the new
6855         (renamed) build_gimple_modify_stmt_stat.
6856         (build2_gimple_stat): Rename to...
6857         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
6858         Always build a GIMPLE_MODIFY_STMT node.
6859         * tree.h (build2_gimple, build2_gimple_stat): Delete.
6860         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
6861         declarations.
6862
6863         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
6864         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
6865         * tree-complex.c (set_component_ssa_name, expand_complex_move,
6866         expand_complex_div_wide): Likewise.
6867         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
6868         * tree-ssa-loop-im.c (schedule_sm): Likewise.
6869         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
6870         * tree-ssa-loop-manip.c (create_iv): Likewise.
6871         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
6872         abs_replacement): Likewise.
6873         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
6874         realify_fake_stores): Likewise.
6875
6876         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
6877         node rather than a GIMPLE_MODIFY_STMT node.
6878         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
6879         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
6880         Likewise.
6881         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
6882         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
6883         GIMPLE_MODIFY_STMT.
6884
6885 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6886
6887         PR middle-end/30433
6888         * fold-const.c (fold_comparison): Add back the
6889         folding of constant complex comparisions.
6890
6891 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6892
6893         PR middle-end/30729
6894         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
6895         effects unknown to this function, return early.
6896
6897 2007-02-15  Ian Lance Taylor  <iant@google.com>
6898
6899         * lower-subreg.c (move_eh_region_note): New static function.
6900         (resolve_simple_move): Call it.
6901         (decompose_multiword_subregs): Track blocks for which we resolve a
6902         simple move which is also a control flow insn.  Pass them to
6903         find_many_sub_basic_blocks.
6904         (pass_lower_subreg): Add TODO_verify_flow.
6905         (pass_lower_subreg2): Likewise.
6906
6907 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6908             Brooks Moses  <brooks.moses@codesourcery.com>
6909             Lee Millward  <lee.millward@codesourcery.com>
6910
6911         * tree.h (enum tree_code_class): Add tcc_vl_exp.
6912         (VL_EXP_CLASS_P): New.
6913         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
6914         TREE_CODE_LENGTH.
6915         (TREE_OPERAND_CHECK_CODE): Likewise.
6916         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
6917         (TREE_RTL_OPERAND_CHECK): Likewise.
6918         (tree_operand_check_failed): Make second parameter the whole tree
6919         instead of its code.  Fixed callers.
6920         (VL_EXP_CHECK): New.
6921         (TREE_OPERAND_LENGTH): New.
6922         (VL_EXP_OPERAND_LENGTH): New.
6923         (CALL_EXPR_FN): New.
6924         (CALL_EXPR_STATIC_CHAIN): New.
6925         (CALL_EXPR_ARGS): New.
6926         (CALL_EXPR_ARG): New.
6927         (call_expr_nargs): New.
6928         (CALL_EXPR_ARGP): New.
6929         (build_nt_call_list): Declare.
6930         (build_vl_exp_stat): Declare.
6931         (build_vl_exp): New.
6932         (build_call_list): Declare.
6933         (build_call_nary): Declare.
6934         (build_call_valist): Declare.
6935         (build_call_array): Declare.
6936         (call_expr_arg): Declare.
6937         (call_expr_argp): Declare.
6938         (call_expr_arglist): Declare.
6939         (fold_build_call_list): Declare.
6940         (fold_build_call_list_initializer): Declare.
6941         (fold_call_expr): Declare to replace fold_builtin.
6942         (fold_builtin_fputs): Update to agree with modified definition.
6943         (fold_builtin_strcpy): Likewise.
6944         (fold_builtin_strncpy): Likewise.
6945         (fold_builtin_memory_chk): Likewise.
6946         (fold_builtin_stxcpy_chk): Likewise.
6947         (fold_builtin_strncpy_chk): Likewise.
6948         (fold_builtin_next_arg): Likewise.
6949         (fold_build_call_expr): Declare.
6950         (fold_builtin_call_list): Declare.
6951         (fold_builtin_call_valist): Declare.
6952         (build_call_expr): Declare.
6953         (validate_arglist): Update to agree with modified definition.
6954         (tree_operand_length): New.
6955         (call_expr_arg_iterator): New.
6956         (init_call_expr_arg_iterator): New.
6957         (next_call_expr_arg): New.
6958         (first_call_expr_arg): New.
6959         (more_call_expr_args_p): New.
6960         (FOR_EACH_CALL_EXPR_ARG): New.
6961
6962         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
6963         and tcc_gimple_stmt.
6964         (tree_code_size): Update documentation.  Use sizeof (tree) rather
6965         than sizeof (char *).
6966         (tree_size): Likewise.  Add case for tcc_vl_exp.
6967         (tree_node_structure): Add case for tcc_vl_exp.
6968         (contains_placeholder_p): Likewise.
6969         (substitute_in_expr): Likewise.
6970         (substitute_placeholder_in_expr): Likewise.
6971         (stabilize_reference_1): Likewise.
6972         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
6973         to diagnose breakage of this interface for constructing CALL_EXPRs.
6974         (build_nt): Add similar assertion here.
6975         (build_nt_call_list): New.
6976         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
6977         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
6978         TREE_CODE_LENGTH.
6979         (get_callee_fndecl): Use new CALL_EXPR accessors.
6980         (tree_operand_check_failed): Change parameters to pass entire node
6981         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
6982         (process_call_operands): New.
6983         (build_vl_exp_stat): New.
6984         (build_call_list): New.
6985         (build_call_nary): New.
6986         (build_call_valist): New.
6987         (build_call_array): New.
6988         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6989         (call_expr_arglist): New.
6990
6991         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
6992         tcc_vl_exp instead of a fixed-size tcc_expression.
6993
6994         * doc/c-tree.texi (CALL_EXPR): Document new representation and
6995         accessors for CALL_EXPRs.
6996         (AGGR_INIT_EXPR): Likewise.
6997
6998 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6999             Brooks Moses  <brooks.moses@codesourcery.com>
7000             Lee Millward  <lee.millward@codesourcery.com>
7001
7002         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
7003         (expand_builtin_nonlocal_goto): Change parameter to be entire
7004         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
7005         (expand_builtin_prefetch): Likewise.
7006         (expand_builtin_classify_type): Likewise.
7007         (mathfn_built_in): Return NULL_TREE instead of 0.
7008         (expand_errno_check): Use new CALL_EXPR accessors.
7009         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
7010         Return NULL_RTX instead of 0.
7011         (expand_builtin_mathfn_2): Likewise.
7012         (expand_builtin_mathfn_3): Likewise.
7013         (expand_builtin_interclass_mathfn): Likewise.
7014         (expand_builtin_sincos): Likewise.
7015         (expand_builtin_cexpi): Likewise.
7016         (expand_builtin_int_roundingfn): Likewise.
7017         (expand_builtin_int_roundingfn_2): Likewise.
7018         (expand_builtin_pow): Likewise.
7019         (expand_builtin_powi): Likewise.
7020         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
7021         of arglist, fixing callers appropriately.  Use new CALL_EXPR
7022         accessors and constructors.  Return NULL_RTX instead of 0.
7023         (expand_builtin_strstr): Likewise.
7024         (expand_builtin_strchr): Likewise.
7025         (expand_builtin_strrchr): Likewise.
7026         (expand_builtin_strpbrk): Likewise.
7027         (expand_builtin_memcpy): Likewise.
7028         (expand_builtin_mempcpy): Likewise.
7029         (expand_builtin_mempcpy_args): New.
7030         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
7031         (expand_builtin_memmove_args): New.
7032         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
7033         (expand_movstr): Likewise.
7034         (expand_builtin_strcpy): Likewise.
7035         (expand_builtin_strcpy_args): New.
7036         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
7037         (expand_builtin_strncpy): Likewise.
7038         (expand_builtin_memset): Likewise.
7039         (expand_builtin_memset_args): New.
7040         (expand_builtin_bzero): Similarly to expand_builtin_memset.
7041         (expand_builtin_memcmp): Likewise.
7042         (expand_builtin_strcmp): Likewise.
7043         (expand_builtin_strncmp): Likewise.
7044         (expand_builtin_strcat): Likewise.
7045         (expand_builtin_strncat): Likewise.
7046         (expand_builtin_strspn): Likewise.
7047         (expand_builtin_strcspn): Likewise.
7048         (expand_builtin_args_info): Likewise.
7049         (expand_builtin_va_start): Likewise.
7050         (gimplify_va_arg_expr): Likewise.
7051         (expand_builtin_va_end): Likewise.
7052         (expand_builtin_va_copy): Likewise.
7053         (expand_builtin_frame_address): Likewise.
7054         (expand_builtin_alloca): Likewise.
7055         (expand_builtin_bswap): Likewise.
7056         (expand_builtin_unop): Likewise.
7057         (expand_builtin_fputs): Likewise.
7058         (expand_builtin_expect): Likewise.
7059         (expand_builtin_fabs): Likewise.
7060         (expand_builtin_copysign): Likewise.
7061         (expand_builtin_printf): Likewise.
7062         (expand_builtin_fprintf): Likewise.
7063         (expand_builtin_sprintf): Likewise.
7064         (expand_builtin_init_trampoline): Likewise.
7065         (expand_builtin_signbit): Likewise.
7066         (expand_builtin_fork_or_exec): Likewise.
7067         (expand_builtin_sync_operation): Likewise.
7068         (expand_builtin_compare_and_swap): Likewise.
7069         (expand_builtin_lock_test_and_set): Likewise.
7070         (expand_builtin_lock_release): Likewise.
7071         (expand_builtin): Likewise.
7072         (builtin_mathfn_code): Likewise.
7073
7074         (fold_builtin_constant_p): Pass call arguments individually instead
7075         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
7076         accessors and constructors.  Return NULL_TREE instead of 0.
7077         (fold_builtin_expect): Likewise.
7078         (fold_builtin_classify_type): Likewise.
7079         (fold_builtin_strlen): Likewise.
7080         (fold_builtin_nan): Likewise.
7081         (integer_valued_real_p): Likewise.
7082         (fold_trunc_transparent_mathfn): Likewise.
7083         (fold_fixed_mathfn): Likewise.
7084         (fold_builtin_cabs): Likewise.
7085         (fold_builtin_sqrt): Likewise.
7086         (fold_builtin_cbrt): Likewise.
7087         (fold_builtin_cos): Likewise.
7088         (fold_builtin_cosh): Likewise.
7089         (fold_builtin_tan): Likewise.
7090         (fold_builtin_sincos): Likewise.
7091         (fold_builtin_cexp): Likewise.
7092         (fold_builtin_trunc): Likewise.
7093         (fold_builtin_floor): Likewise.
7094         (fold_builtin_ceil): Likewise.
7095         (fold_builtin_round): Likewise.
7096         (fold_builtin_int_roundingfn): Likewise.
7097         (fold_builtin_bitop): Likewise.
7098         (fold_builtin_bswap): Likewise.
7099         (fold_builtin_logarithm): Likewise.
7100         (fold_builtin_hypot): Likewise.
7101         (fold_builtin_pow): Likewise.
7102         (fold_builtin_powi): Likewise.
7103         (fold_builtin_exponent): Likewise.
7104         (fold_builtin_memset): Likewise.
7105         (fold_builtin_bzero): Likewise.
7106         (fold_builtin_memory_op): Likewise.
7107         (fold_builtin_bcopy): Deleted; call site changed to invoke
7108         fold_builtin_memory_op directly.
7109         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
7110         (fold_builtin_strncpy): Likewise.
7111         (fold_builtin_memcmp): Likewise.
7112         (fold_builtin_strcmp): Likewise.
7113         (fold_builtin_strncmp): Likewise.
7114         (fold_builtin_signbit): Likewise.
7115         (fold_builtin_copysign): Likewise.
7116         (fold_builtin_isascii): Likewise.
7117         (fold_builtin_toascii): Likewise.
7118         (fold_builtin_isdigit): Likewise.
7119         (fold_builtin_fabs): Likewise.
7120         (fold_builtin_abs): Likewise.
7121         (fold_builtin_fmin_fmax): Likewise.
7122         (fold_builtin_carg): Likewise.
7123         (fold_builtin_classify): Likewise.
7124         (fold_builtin_unordered_cmp): Likewise.
7125
7126         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
7127         New functions split out from fold_builtin_1.
7128         (fold_builtin_n): New.
7129         (fold_builtin_varargs): New.
7130         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
7131         instead.
7132         (fold_call_expr): New.
7133         (build_function_call_expr): Rewrite to use new helper function.
7134         (fold_builtin_call_list): New.
7135         (build_call_expr): New.
7136         (fold_builtin_call_valist): New.
7137         (rewrite_call_expr): New.
7138         (validate_arg): New.
7139         (validate_arglist): Change parameter to be entire CALL_EXPR instead
7140         of an arglist.  Change return type to bool.  Use new CALL_EXPR
7141         accessors.
7142
7143         (fold_builtin_strstr):  Pass call arguments individually instead
7144         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
7145         accessors and constructors.  Return NULL_TREE instead of 0.
7146         (fold_builtin_strchr): Likewise.
7147         (fold_builtin_strrchr): Likewise.
7148         (fold_builtin_strpbrk): Likewise.
7149         (fold_builtin_strcat): Likewise.
7150         (fold_builtin_strncat): Likewise.
7151         (fold_builtin_strspn): Likewise.
7152         (fold_builtin_strcspn): Likewise.
7153         (fold_builtin_fputs): Likewise.
7154         (fold_builtin_next_arg): Likewise.
7155         (fold_builtin_sprintf): Likewise.
7156
7157         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
7158         NULL_RTX instead of 0.
7159         (expand_builtin_memory_chk): Likewise.
7160         (maybe_emit_chk_warning): Likewise.
7161         (maybe_emit_sprintf_chk_warning): Likewise.
7162
7163         (fold_builtin_object_size): Pass call arguments individually instead
7164         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
7165         accessors and constructors.  Return NULL_TREE instead of 0.
7166         (fold_builtin_memory_chk): Likewise.
7167         (fold_builtin_stxcpy_chk): Likewise.
7168         (fold_builtin_strncpy_chk): Likewise.
7169         (fold_builtin_strcat_chk): Likewise.
7170         (fold_builtin_strcat_chk): Likewise.
7171         (fold_builtin_strncat_chk): Likewise.
7172         (fold_builtin_sprintf_chk): Likewise.
7173         (fold_builtin_snprintf_chk): Likewise.
7174         (fold_builtin_printf): Likewise.
7175         (fold_builtin_vprintf): Likewise.
7176
7177         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
7178         constructors.
7179         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
7180         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7181         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
7182         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
7183         (fold_unary): Likewise.
7184         (fold_binary): Likewise.
7185         (fold_ternary): Remove CALL_EXPR case, since they are no longer
7186         ternary expressions.
7187         (fold): Add logic for tcc_vl_exp.
7188         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
7189         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7190         (fold_build3_stat): Add assertion to flag broken interface for
7191         constructing CALL_EXPRs.
7192         (fold_build_call_list): New.
7193         (fold_build_call_list_initializer): New.
7194         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
7195         constructors.
7196         (fold_strip_sign_ops): Likewise.
7197
7198 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7199             Brooks Moses  <brooks.moses@codesourcery.com>
7200             Lee Millward  <lee.millward@codesourcery.com>
7201
7202         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
7203         accessors and dump arguments explicitly.
7204
7205         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
7206         TREE_CODE_LENGTH.
7207         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
7208         explicitly.
7209         (print_call_name): Use new CALL_EXPR accessors.
7210
7211         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
7212         CALL_EXPR arguments explicitly instead of as a list.  Use
7213         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7214
7215         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
7216         (vrp_visit_stmt): Likewise.
7217
7218         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
7219         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
7220         TREE_CODE_LENGTH.
7221         (force_move_till_expr): Likewise.
7222
7223         * targhooks.c (default_external_stack_protect_fail): Use
7224         build_call_expr instead of build_function_call_expr.
7225         (default_hidden_stack_protect_fail): Likewise.
7226
7227         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
7228         build the call.
7229
7230         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
7231         and walk arguments explicitly.
7232
7233         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
7234         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7235         (expand_simple_operations): Likewise.
7236         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
7237
7238         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
7239         of TREE_CODE_LENGTH.
7240         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
7241
7242         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
7243         instead of TREE_CODE_LENGTH.
7244
7245         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
7246         (tree_ic_transform): Likewise.
7247         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
7248         parameter instead of arglist.  Fix callers.
7249         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
7250         (tree_stringops_transform): Likewise.
7251         (tree_indirect_call_to_profile): Likewise.
7252         (tree_stringops_values_to_profile): Likewise.
7253
7254         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
7255         (eliminate_tail_call): Likewise.
7256
7257         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
7258
7259         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
7260         Use TREE_OPERAND_LENGTH and generalize to handle any number of
7261         operands.
7262         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
7263
7264         * omp-low.c (build_omp_barrier): Use build_call_expr.
7265         (lower_rec_input_clauses): Likewise.
7266         (lower_reduction_clauses): Likewise.
7267         (expand_parallel_call): Likewise.
7268         (maybe_catch_exception): Likewise.
7269         (expand_omp_for_generic): Likewise.
7270         (expand_omp_for_static_nochunk): Likewise.
7271         (expand_omp_sections): Likewise.
7272         (lower_omp_single_simple): Likewise.
7273         (lower_omp_single_copy): Likewise.
7274         (lower_omp_master): Likewise.
7275         (lower_omp_ordered): Likewise.
7276         (lower_omp_critical): Likewise.
7277
7278         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
7279         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
7280
7281         * tree-gimple.c (is_gimple_call_addr): Fix doc.
7282         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
7283         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
7284
7285         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
7286         and generalize to handle any number of operands.
7287         (chrec_contains_undetermined): Likewise.
7288         (tree_contains_chrecs): Likewise.
7289         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
7290
7291         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
7292
7293         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
7294         fold_call_expr instead of fold_builtin.
7295         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
7296         match declarations there.
7297         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
7298         updates.
7299
7300         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
7301         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7302
7303         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
7304         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
7305
7306         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
7307         accessors.
7308
7309         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
7310         (execute_cse_sincos): Use new CALL_EXPR accessors.
7311
7312         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
7313
7314         * gimple-low.c (lower_function_body): Use build_call_expr.
7315         (lower_builtin_setjmp): Likewise.
7316
7317         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
7318         (set_storage_via_libcall): Likewise.
7319         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
7320         instead of TREE_CODE_LENGTH.
7321         (expand_expr_real_1): Use new CALL_EXPR accessors.
7322
7323         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
7324         generalize to handle any number of operands.
7325         (TB_parent_eq): Likewise.
7326
7327         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
7328         (strip_builtin_expect): Likewise.
7329
7330         * function.c (gimplify_parameters): Use build_call_expr.
7331
7332         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
7333         instead of TREE_CODE_LENGTH.
7334
7335         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
7336         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
7337
7338         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
7339         iterators.
7340
7341         * gimplify.c (build_stack_save_restore): Use build_call_expr.
7342         (gimplify_decl_expr): Likewise.
7343         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
7344         Use new CALL_EXPR iterators.
7345         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
7346         (gimplify_modify_expr_to_memset): Likewise.
7347         (gimplify_variable_sized_compare): Likewise.
7348         (gimplify_omp_atomic_fetch_op): Likewise.
7349         (gimplify_omp_atomic_pipeline): Likewise.
7350         (gimplify_omp_atomic_mutex): Likewise.
7351         (gimplify_function_tree): Likewise.
7352
7353         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
7354         (call_expr_flags): Likewise.
7355         (expand_call): Likewise.
7356
7357         * except.c (expand_builtin_eh_return_data_regno): Pass entire
7358         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
7359         accessors.
7360
7361         * coverage.c (create_coverage): Use build_call_expr.
7362
7363         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
7364         (temp_call_expr_obstack): New.
7365         (pool_copy_list): Delete.
7366         (temp_copy_call_expr): New.
7367         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
7368         CALL_EXPR accessors.  Get rid of special goo for copying argument
7369         lists and use temp_copy_call_expr instead.
7370         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
7371         CALL_EXPR accessors.
7372         (create_expression_by_pieces): Likewise.  Use build_call_array
7373         to construct the result instead of fold_build3.
7374         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
7375         dealing with argument lists.
7376         (init_pre): Remove references to expression_node_pool and
7377         list_node_pool.  Init temp_call_expr_obstack instead.
7378         (fini_pre): Remove references to expression_node_pool and
7379         list_node_pool.
7380
7381         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
7382         and walk arguments explicitly instead of as a list.
7383
7384         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
7385         (mx_register_decls): Likewise.
7386         (mudflap_register_call): Likewise.
7387         (mudflap_finish_file): Likewise.
7388
7389         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
7390         (ipa_callsite_compute_param): Likewise.
7391
7392         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
7393         accessors and constructor.
7394
7395         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
7396         accessors and constructor.
7397         (convert_tramp_reference): Likewise.
7398         (convert_call_expr): Likewise.
7399         (finalize_nesting_tree_1): Likewise.
7400
7401         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
7402         accessors.
7403
7404         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
7405
7406         * tree-inline.c (initialize_inlined_parameters): Pass entire
7407         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
7408         accessors.
7409         (estimate_num_insns_1): Use new CALL_EXPR accessors.
7410         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
7411
7412         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
7413         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7414         (vectorizable_reduction): Likewise.
7415         (vectorizable_call): Use new CALL_EXPR iterators.
7416         (vectorizable_conversion): Use build_call_expr.
7417         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
7418         (vect_gen_widened_results_half): Use build_call_expr.
7419         (vect_setup_realignment): Likewise.
7420         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
7421
7422         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
7423         (pass_through_call): Likewise.
7424         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
7425         fold_builtin.
7426
7427         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
7428         (tree_gen_pow2_profiler): Likewise.
7429         (tree_gen_one_value_profiler): Likewise.
7430         (tree_gen_ic_func_profiler): Likewise.
7431         (tree_gen_average_profiler): Likewise.
7432         (tree_gen_ior_profiler): Likewise.
7433
7434         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
7435         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
7436         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7437
7438         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
7439         of TREE_CODE_LENGTH.
7440
7441         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
7442         of TREE_CODE_LENGTH.
7443
7444         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
7445         constructor.
7446         (convert_to_integer): Likewise.
7447
7448         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
7449         accessors.
7450
7451 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7452             Brooks Moses  <brooks.moses@codesourcery.com>
7453             Lee Millward  <lee.millward@codesourcery.com>
7454
7455         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
7456         accessors.
7457         * config/frv/frv.c (frv_expand_builtin): Likewise.
7458         * config/s390/s390.c (s390_expand_builtin): Likewise.
7459
7460         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
7461         (sparc_expand_builtin): Use new CALL_EXPR accessors.
7462
7463         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
7464         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
7465         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
7466         (ix86_expand_store_builtin): Likewise.
7467         (ix86_expand_unop_builtin): Likewise.
7468         (ix86_expand_unop1_builtin): Likewise.
7469         (ix86_expand_sse_compare): Likewise.
7470         (ix86_expand_sse_comi): Likewise.
7471         (ix86_expand_vec_init_builtin): Likewise.
7472         (ix86_expand_vec_ext_builtin): Likewise.
7473         (ix86_expand_vec_set_builtin): Likewise.
7474         (ix86_expand_builtin): Use new CALL_EXPR accessors.
7475
7476         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
7477         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
7478
7479         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
7480         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7481         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
7482
7483         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
7484         build_call_expr.
7485         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
7486         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
7487         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7488         (altivec_expand_abs_builtin): Likewise.
7489         (rs6000_expand_binop_builtin): Likewise.
7490         (altivec_expand_predicate_builtin): Likewise.
7491         (altivec_expand_lv_builtin): Likewise.
7492         (spe_expand_stv_builtin): Likewise.
7493         (altivec_expand_stv_builtin): Likewise.
7494         (rs6000_expand_ternop_builtin): Likewise.
7495         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
7496         (altivec_expand_st_builtin): Likewise.
7497         (altivec_expand_dst_builtin): Likewise.
7498         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
7499         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7500         (altivec_expand_vec_set_builtin): Likewise.
7501         (altivec_expand_vec_ext_builtin): Likewise.
7502         (altivec_expand_builtin): Use new CALL_EXPR accessors.
7503         (spe_expand_builtin): Likewise.
7504         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
7505         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7506         (spe_expand_evsel_builtin): Likewise.
7507         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
7508         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
7509
7510         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
7511         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7512         (arm_expand_unop_builtin): Likewise.
7513         (arm_expand_builtin): Use new CALL_EXPR accessors.
7514
7515         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
7516         accessors.
7517
7518         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
7519         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7520         (bfin_expand_unop_builtin): Likewise.
7521         (bfin_expand_builtin): Use new CALL_EXPR accessors.
7522
7523 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7524             Brooks Moses  <brooks.moses@codesourcery.com>
7525             Lee Millward  <lee.millward@codesourcery.com>
7526
7527         * c-semantics.c (build_stmt): Add internal diagnostic check.
7528
7529         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
7530         accessors.  Print arguments explicitly instead of as a list.
7531
7532         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
7533
7534         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
7535         (c_finish_omp_flish): Likewise.
7536
7537         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
7538         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
7539         instead of TREE_CODE_LENGTH.
7540         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
7541         (c_warn_unused_result): Likewise.
7542
7543 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7544
7545         PR c/26494
7546         * doc/invoke.texi (Warning Options): Remove
7547         -Werror-implicit-function-declaration.
7548         (Wimplicit-function-declaration): Update description.
7549         * opts.c (common_handle_option): Move handling of -Werror=* to...
7550         (enable_warning_as_error): ...here.
7551         * opts.h (enable_warning_as_error): Declare.
7552         * c-decl.c (implicit_decl_warning): Unless
7553         -Wno-implicit-function-declaration is given, emit a pedwarn if
7554         -std=c99 or emit a warning if -Wimplicit-function-declaration.
7555         * c.opt (Wimplicit-function-declaration): Replace
7556         mesg_implicit_function_declaration with
7557         warn_implicit_function_declaration.
7558         * c-opts.c (c_common_handle_option):
7559         -Werror-implicit-function-declaration is exactly equal as
7560         -Werror=implicit-function-declaration.
7561         (set_Wimplicit): Replace mesg_implicit_function_declaration with
7562         warn_implicit_function_declaration.
7563         (c_common_post_options): -Wimplict-function-declaration is enabled
7564         by default by -std=c99, otherwise is disabled by default.
7565         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
7566
7567 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7568
7569         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
7570         DECL on the rhs to a DECL on the lhs for debug info purposes if the
7571         former is ignored but not the latter.
7572
7573 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7574
7575         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
7576         is made and the reference doesn't use the alias set of its type,
7577         do not create the temporary using that type.
7578
7579 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
7580
7581         * jump.c: Remove prototypes for delete_computation and
7582         delete_prior_computation.
7583
7584 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
7585
7586         * jump.c (get_label_after): Delete.
7587         (get_label_before, delete_computation, delete_jump,
7588         delete_prior_computation, follow_jumps): Move...
7589         * reorg.c (delete_computation, delete_prior_computation): ... here...
7590         (get_label_before, delete_jump): ... making these static ...
7591         (follow_jumps): ... and simplifying this since it only runs after
7592         reload.
7593         * rtl.h (get_label_after, get_label_before, delete_jump,
7594         follow_jumps): Delete prototypes.
7595
7596 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
7597
7598         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
7599
7600 2007-02-15  Nick Clifton  <nickc@redhat.com>
7601
7602         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
7603         order to prevent it from being munged by the target.
7604
7605 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
7606
7607         * config/i386/i386.md: Remove misleading comment.
7608
7609 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7610
7611         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
7612         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
7613         invalid patterns.
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         * tree-sra.c (instantiate_missing_elements): Canonicalize
7626         bit-field types.
7627         (sra_build_assignment): New.
7628         (generate_copy_inout, generate_element_copy,
7629         generate_element_zero, generate_one_element_init): Use it.
7630
7631 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7632
7633         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
7634         limbo die nodes.
7635
7636 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
7637
7638         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
7639         types as aggregates not scalars.
7640         * function.c (assign_stack_temp_for_type): Likewise.
7641
7642 2007-02-14  Roger Sayle  <roger@eyesopen.com>
7643             Zdenek Dvorak  <dvorakz@suse.cz>
7644
7645         * tree-dump.c (dump_switch_p_1): Require exact match of the option
7646         name.
7647
7648 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
7649
7650         * passes.c (next_pass_1): Clear the next field of the copied
7651         pass structure.
7652
7653 2007-02-14  Richard Henderson  <rth@redhat.com>
7654
7655         * tree-sra.c (early_sra): New.
7656         (decl_can_be_decomposed_p): Deny va_list if early_sra.
7657         (tree_sra_early, pass_sra_early): New.
7658         * tree-pass.h (pass_sra_early): Declare.
7659         * passes.c (init_optimization_passes): Use it.
7660
7661 2007-02-14  Richard Guenther  <rguenther@suse.de>
7662
7663         * flags.h (issue_strict_overflow_warning): Convert to a macro.
7664
7665 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
7666
7667          PR tree-optimization/30771
7668         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
7669         also phi nodes.
7670         (vect_analyze_operations): Induction phis can now be marked as
7671         used_in_loop.
7672         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
7673         Update documentation accordingly.
7674
7675 2007-02-14  Nick Clifton  <nickc@redhat.com>
7676
7677         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
7678         most 3 arguments are supported.
7679         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
7680
7681 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
7682
7683         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
7684         Ensure dst->current is valid.
7685
7686 2007-02-13  Paul Brook  <paul@codesourcery.com>
7687
7688         * config.gcc: Add arm*-*-uclinux-*eabi.
7689         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
7690         (SUBTARGET_EXTRA_LINK_SPEC): Define.
7691         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
7692         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
7693         (LINK_SPEC): Define.
7694         (LIB_SPEC): Define.
7695         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
7696         register.
7697         * config/arm/uclinux-eabi.h: New file.
7698         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
7699         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
7700         based targets.
7701
7702 2007-02-13  Ian Lance Taylor  <iant@google.com>
7703
7704         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
7705         * flags.h (warn_strict_overflow): Declare.
7706         (enum warn_strict_overflow_code): Define.
7707         (issue_strict_overflow_warning): New static inline function.
7708         * opts.c (warn_strict_overflow): New variable.
7709         (common_handle_option): Handle OPT_Wstrict_overflow and
7710         OPT_Wstrict_overflow_.
7711         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
7712         OPT_Wall.
7713         * fold-const.c: Include intl.h.
7714         (fold_deferring_overflow_warnings): New static variable.
7715         (fold_deferred_overflow_warning): New static variable.
7716         (fold_deferred_overflow_code): New static variable.
7717         (fold_defer_overflow_warnings): New function.
7718         (fold_undefer_overflow_warnings): New function.
7719         (fold_undefer_and_ignore_overflow_warnings): New function.
7720         (fold_deferring_overflow_warnings_p): New function.
7721         (fold_overflow_warning): New static function.
7722         (make_range): Add strict_overflow_p parameter.  Change all
7723         callers.
7724         (extract_muldiv, extract_muldiv_1): Likewise.
7725         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
7726         tree_expr_nonnegative_p.
7727         (fold_negate_expr): Call fold_overflow_warning.
7728         (fold_range_test): Likewise.
7729         (fold_comparison): Likewise.
7730         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
7731         instead of tree_expr_nonnegative_p.
7732         (tree_expr_nonnegative_warnv_p): Rename from
7733         tree_expr_nonnegative_p, add strict_overflow_p parameter.
7734         (tree_expr_nonnegative_p): New function.
7735         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
7736         strict_overflow_p parameter.
7737         (tree_expr_nonzero_p): New function.
7738         * passes.c (verify_interpass_invariants): New static function.
7739         (execute_one_pass): Call it.
7740         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
7741         warnings.
7742         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
7743         (estimate_numbers_of_iterations): Likewise.
7744         (scev_probably_wraps_p): Likewise.
7745         * tree-ssa-ccp.c: Include "toplev.h".
7746         (evaluate_stmt): Defer fold overflow warnings until we know we are
7747         going to optimize.
7748         (struct fold_stmt_r_data): Add stmt field.
7749         (fold_stmt_r): Defer fold overflow warnings until we know we
7750         optimized.
7751         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
7752         (fold_stmt_inplace): Likewise.
7753         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
7754         (cleanup_control_expr_graph): Defer fold overflow warnings until
7755         we know we are going to optimize.
7756         * tree-cfg.c (fold_cond_expr_cond): Likewise.
7757         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
7758         Likewise.
7759         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
7760         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
7761         * tree-ssa-loop-manip.c (create_iv): Likewise.
7762         * c-typeck.c (build_conditional_expr): Likewise.
7763         (build_binary_op): Likewise.
7764         * tree-vrp.c (vrp_expr_computes_nonzero): Call
7765         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
7766         (extract_range_from_unary_expr): Likewise.
7767         * simplify-rtx.c (simplify_const_relational_operation): Warn when
7768         assuming that signed overflow does not occur.
7769         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
7770         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
7771         (fold_defer_overflow_warnings): Declare.
7772         (fold_undefer_overflow_warnings): Declare.
7773         (fold_undefer_and_ignore_overflow_warnings): Declare.
7774         (fold_deferring_overflow_warnings_p): Declare.
7775         (tree_expr_nonzero_warnv_p): Declare.
7776         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
7777         of warning options.
7778         (Warning Options): Document -Wstrict-overflow.
7779         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
7780         (tree-ssa-ccp.o): Likewise.
7781         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
7782         (fold-const.o): Depend on intl.h.
7783
7784 2007-02-13  Ian Lance Taylor  <iant@google.com>
7785
7786         PR middle-end/30751
7787         * lower-subreg.c (resolve_simple_move): Decompose subregs in
7788         addresses.
7789
7790 2007-02-13  Stuart Hastings  <stuart@apple.com>
7791
7792         * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
7793
7794 2007-02-13  Richard Henderson  <rth@redhat.com>
7795
7796         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
7797         handled_component_p before looking for the indirect_ref.
7798
7799 2007-02-13  Richard Henderson  <rth@redhat.com>
7800
7801         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
7802         remove flags clobber.
7803         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
7804         (bswaphi_lowpart): New.
7805         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
7806         remove TARGET_BSWAP test.  Delete expander of the same name.
7807
7808         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
7809         (expand_unop): Use them.
7810
7811 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
7812
7813         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
7814         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
7815         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
7816         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
7817         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
7818         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
7819         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
7820         assembler dialect choice from asm templates.
7821
7822 2007-02-12  Richard Henderson  <rth@redhat.com>
7823
7824         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
7825         (fixuns_trunc<SSEMODEF>si2): Use it.
7826         * config/i386/sse.md (vec_setv4sf_0): Export.
7827         * config/i386/i386.c (ix86_build_const_vector): Export.
7828         (ix86_split_convert_uns_si_sse): Rename from
7829         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
7830         * config/i386/i386-protos.h: Update.
7831
7832 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7833
7834         PR c/29521
7835         * c-typeck.c (c_finish_return): Improve warning message.
7836
7837 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7838
7839         * alias.c (find_symbolic_term): Delete unused function.
7840
7841 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
7842
7843         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
7844         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
7845         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
7846
7847 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
7848
7849         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
7850         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
7851         the function, temporarily point the debug interface to the null one.
7852
7853 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
7854
7855         * dwarf2out.c (round_up_to_align): New static function.
7856         (field_byte_offset): Use it to round the offset.
7857
7858 2007-02-12  Richard Henderson  <rth@redhat.com>
7859
7860         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
7861         (inswl_const): Export.
7862
7863 2007-02-12  Richard Henderson  <rth@redhat.com>
7864
7865         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
7866         result mode of the libcall, convert back to outmode.
7867
7868 2007-02-12  Roger Sayle  <roger@eyesopen.com>
7869
7870         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
7871         (bswapdi2): New define_expand to implement 32-bit implementation.
7872
7873 2007-02-12  Nick Clifton  <nickc@redhat.com>
7874
7875         * doc/invoke.texi (Overall Options): Document --help=.
7876         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
7877         (cc1_options): Pass --help= on to cc1.
7878         (display_help): Add description of --help=.
7879         (process_command): Add code to handle --help=.  Allow translated
7880         --help and --target-help switches to be passed on to compiler
7881         sub-process.
7882         (main): Remove unused if statement.
7883         * opts.c (columns): Remove.
7884         (LEFT_COLUMN): Define.
7885         (wrap_help): Add columns argument.
7886         (print_filtered_help): Change parameters to be an include bitmask,
7887         an exclude bitmask, an any bitmask and the column width.  Move the
7888         code to display the params list here.  Add code to display the
7889         status of options rather than their descriptions if the quiet flag
7890         is not active.
7891         (print_specific_help): Change parameters to be an include bitmask,
7892         an exclude bitmask and an any bitmask.  Move code to look up the
7893         column width here.  Decide upon the title for an options listing.
7894         (common_handle_options): Add code to handle --help=.  Adapt code
7895         for --help and --target-help to use the revised form of the
7896         print_specific_help function.
7897         (print_help): Delete.
7898         (print_param_help): Delete.
7899         (print_switch): Delete.
7900         * opts.h (cl_lang_count): Add prototype.
7901         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
7902         CL_MAX_OPTION_CLASS): New defines.
7903         * optc-gen.awk: Add construction of cl_lang_count.
7904         * c.opt: Add Warning attribute to warning options and Optimization
7905         attribute to optimization options.
7906         * common.opt: Likewise.
7907         Add --help=.
7908         Add -fhelp and -ftarget-help as aliases for the transformed --help
7909         and --target-help options.
7910         * opt-functions.awk: Add code to handle Warning and Optimization
7911         attributes.
7912
7913 2007-02-12  Richard Henderson  <rth@redhat.com>
7914
7915         * config/alpha/constraints.md: New file.
7916         * config/alpha/alpha.c: Include tm-constrs.h.
7917         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
7918         alpha_extra_constraint): Remove.
7919         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
7920         * config/alpha/alpha-protos.h: Update.
7921         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
7922         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
7923         (EXTRA_CONSTRAINT): Remove.
7924         * config/alpha/alpha.md: Include constraints.md.
7925         (adddi splitter): Use satisfies_constraint_*.
7926         * config/alpha/predicates.md (add_operand): Likewise.
7927         (sext_add_operand, addition_operation): Likewise.
7928
7929 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
7930
7931         PR tree-optimization/29145
7932         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
7933         in our handling of restrict qualified pointers.
7934
7935 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7936
7937         PR middle-end/7651
7938         * doc/invoke.texi (Wunused-value): Update description.
7939         (Wextra): Delete item.
7940         * opts.c (set_Wextra): Don't use the value of Wextra to set the
7941         value of Wunused-value.
7942         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
7943         (c_finish_stmt_expr): Don't check extra_warnings.
7944         (emit_side_effect_warnings): The caller is responsible to check
7945         warn_unused_value.
7946
7947 2007-02-11  Roger Sayle  <roger@eyesopen.com>
7948             Matt Thomas  <matt@3am-software.com>
7949
7950         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
7951
7952 2007-02-11  Roger Sayle  <roger@eyesopen.com>
7953
7954         * simplify-rtx.c (simplify_relational_operation_1): Optimize
7955         comparisons of POPCOUNT against zero.
7956         (simplify_const_relational_operation): Likewise.
7957
7958 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7959
7960         * doc/invoke.texi (Wextra): Delete outdated paragraph.
7961
7962 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7963
7964         * dwarf2out.c (root_type): Delete unused function.
7965
7966 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7967
7968         * genattrtab.c (contained_in_p): Delete unused function.
7969         (write_expr_attr_cache): Likewise.
7970
7971 2007-02-11  Jan Hubicka  <jh@suse.cz>
7972
7973         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
7974         previous patch.
7975
7976 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
7977
7978         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
7979         to add the REG_EQ* note.
7980         * see.c (see_merge_one_use_extension): Likewise.
7981         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
7982         turn REG_EQUAL notes into REG_EQUIV notes if the target
7983         register may have more than one set.
7984         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
7985         * gcse.c (try_replace_reg): Likewise.
7986         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
7987         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
7988         more than one REG_EQUIV note.
7989         * reload1.c (gen_reload): Use set_unique_reg_note.
7990
7991 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
7992
7993         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
7994         (ix86_builtin_conversion): New function.
7995
7996 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
7997
7998         PR target/29487
7999         * tree.h (DECL_REPLACEABLE_P): New macro.
8000         * except.c (set_nothrow_function_flags): Likewise.
8001
8002 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
8003             Ira Rosen  <irar@il.ibm.com>
8004             Dorit Nuzman  <dorit@il.ibm.com>
8005
8006         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
8007         * targhooks.c (default_builtin_vectorized_conversion): New.
8008         * targhooks.h (default_builtin_vectorized_function): New declaration.
8009         * target.h (struct vectorize): Add builtin_conversion field.
8010         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
8011         stmt_vec_info_type value.
8012         (vectorizable_conversion): New declaration.
8013         * tree-vect-analyze.c (vect_analyze_operations): Add
8014         vectorizable_conversion call.
8015         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
8016         * tree-vect-transform.c (vectorizable_conversion): New function.
8017         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
8018         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
8019         mode.
8020         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
8021         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
8022         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
8023         or ALTIVEC_BUILTIN_VCFSX.
8024
8025 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8026
8027         PR target/30634
8028         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
8029         CONST_DOUBLE and operand 0 is a hard register.
8030         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
8031         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
8032         is a hard floating-point register.
8033
8034 2007-02-10  Richard Henderson  <rth@redhat.com>
8035             Jakub Jelinek  <jakub@redhat.com>
8036             Alexandre Oliva  <aoliva@redhat.com>
8037
8038         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
8039         * builtin-types.def (BT_WORD): Make unsigned.
8040         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
8041         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
8042         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
8043         * c-decl.c (grokdeclarator): Don't error if !have_tls.
8044         * c-parser.c (c_parser_omp_threadprivate): Likewise.
8045         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
8046         emulated tls.
8047         * expr.c (emutls_var_address): New.
8048         (expand_expr_real_1): Expand emulated tls.
8049         (expand_expr_addr_expr_1): Likewise.
8050         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
8051         * output.h (emutls_finish): Declare.
8052         * toplev.c (compile_file): Call it.
8053         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
8054         address before wrapping in CONST.
8055         * varasm.c (emutls_htab, emutls_object_type): New.
8056         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
8057         (get_emutls_object_name, get_emutls_object_type): New.
8058         (get_emutls_init_templ_addr, emutls_decl): New.
8059         (emutls_common_1, emutls_finish): New.
8060         (assemble_variable): When emulating tls, swap decls; generate
8061         constructor for the emutls objects.
8062         (do_assemble_alias): When emulating tls, swap decl and target name.
8063         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
8064         for emulated tls.
8065         * varpool.c (decide_is_variable_needed): Look at force_output.
8066         Recurse for emulated tls.
8067         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
8068         with decide_is_variable_needed.
8069         * emutls.c: New file.
8070         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
8071         tls_object for real tls.
8072
8073 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
8074
8075         PR rtl-optimization/29599
8076         * reload1.c (eliminate_regs_in_insn): Take the destination
8077         mode into account when computing the offset.
8078
8079 2007-02-09  Stuart Hastings  <stuart@apple.com>
8080             Richard Henderson  <rth@redhat.com>
8081
8082         * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
8083         * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
8084         * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
8085         fixuns_truncdfhi2): New.
8086         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
8087         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
8088         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
8089         (floatunssidf2): Allow nonimmediate source.
8090         * config/i386/sse.md (movdi_to_sse): New.
8091         (vec_concatv2di): Drop '*'.
8092         * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
8093         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
8094         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
8095         New.
8096         * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
8097         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
8098         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
8099         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
8100         (ix86_build_signbit_mask): Fix decl of v, refactor to call
8101         ix86_build_const_vector.
8102         (x86_emit_floatuns): Rewrite.
8103
8104 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8105
8106         * genautomata.c (longest_path_length): Delete unused function.
8107         (struct state): Delete unused longest_path_length.
8108         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
8109         (get_free_state): Delete unused.
8110
8111 2007-02-09  Jan Hubicka  <jh@suse.cz>
8112
8113         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
8114         * doc/invoke.texi (inline-unit-growth): Update default value.
8115
8116         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
8117         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
8118         (rebuild_cgraph_edges): Likewise.
8119         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
8120         (dump_cgraph_node): Dump frequencies.
8121         (cgraph_clone_edge): Add frequency scales.
8122         (cgraph_clone_node): Add freuqnecy.
8123         * cgraph.h (cgraph_edge): Add freuqnecy argument.
8124         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
8125         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
8126         * tree-pass.h (TODO_rebuild_frequencies): New constant.
8127         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
8128         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
8129         (save_inline_function_body): Likewise.
8130         * ipa-inline.c: inluce rtl.h
8131         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
8132         (cgraph_edge_badness): Use frequencies.
8133         (cgraph_decide_recursive_inlining): Update clonning.
8134         (cgraph_decide_inlining_of_small_function): Dump frequency.
8135         * predict.c (estimate_bb_frequencies): Export.
8136         * predict.h (estimate_bb_frequencies): Declare.
8137         * tree-inline.c (copy_bb): Watch overflows.
8138         (expand_call_inline): Update call of cgraph_create_edge.
8139         (optimize_inline_calls): Use TODO flags to update frequnecies.
8140         * passes.h: Include predict.h
8141         (init_optimization_passes): Move profile ahead.
8142         (execute_function_todo): Handle TODO_rebuild_frequencies.
8143
8144 2007-02-09  Roger Sayle  <roger@eyesopen.com>
8145
8146         * config/alpha/alpha.c (emit_insxl): Force the first operand of
8147         the insbl or inswl pattern into a register.
8148
8149 2007-02-09  Roger Sayle  <roger@eyesopen.com>
8150
8151         * config/ia64/ia64.md (bswapdi2): New define_insn.
8152
8153 2007-02-09  Richard Henderson  <rth@redhat.com>
8154
8155         * config/i386/constraints.md (Ym): New constraint.
8156         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
8157         (movdi_1_rex64): Split sse and xmm general register moves from
8158         memory move alternatives.  Use conditional register constraints.
8159         (movsf_1, movdf_integer): Likewise.
8160         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
8161         (movdf_integer_rex64): New.
8162         (pushsf_rex64): Fix output constraints.
8163         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
8164         (sse2_stored): Likewise.
8165         (sse2_storeq_rex64): New.
8166         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
8167         amd and not generic.
8168         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
8169         for optimize_size.  Remove SF/DFmode hack.
8170
8171 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
8172
8173         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
8174         (bit_SSE4a): New.
8175
8176 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
8177             Richard Sandiford  <richard@codesourcery.com>
8178
8179         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
8180         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
8181         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
8182         m68k/t-mlib to tmake_file.
8183         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
8184         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
8185         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
8186         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
8187         variable is not empty, add t-$m68k_arch_family to tmake_file.
8188         Add t-mlibs to tmake_file.
8189         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
8190         * config/m68k/t-cf: New file.
8191         * config/m68k/t-m68k: Likewise.
8192         * config/m68k/t-mlibs: Likewise.
8193         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8194         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8195         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
8196         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8197         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
8198         Delete.
8199         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
8200         (INSTALL_LIBGCC): Delete.
8201         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
8202         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8203         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8204         (M68K_MLIB_CPU): Define.
8205         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8206         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8207         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
8208
8209 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
8210             Richard Guenther  <rguenther@suse.de>
8211
8212         PR middle-end/23361
8213         * fold-const.c (fold_comparison): Handle obfuscated comparisons
8214         against INT_MIN/INT_MAX.
8215         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
8216         file if a loop is removed.
8217
8218 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
8219
8220         * calls.c (store_one_arg): Pass correct alignment to
8221         emit_push_insn for non-BLKmode values.
8222         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
8223         unaligned stack slot via a suitably aligned slot.
8224
8225 2007-02-08  DJ Delorie  <dj@redhat.com>
8226
8227         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
8228         warnings.
8229         (legal_subregs): Use unsigned char, make const.
8230         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
8231
8232 2007-02-08  Paul Brook  <paul@codesourcery.com>
8233
8234         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
8235         special interworking needed.
8236
8237 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
8238
8239         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
8240         conditional to __SSE2__.
8241         (Entries below should have been added to first ChangeLog
8242         entry for amdfam10 dated 2007-02-05)
8243         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
8244         defined.
8245         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
8246         defined.
8247         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
8248         defined.
8249
8250 2007-02-08  DJ Delorie  <dj@redhat.com>
8251
8252         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
8253         * config/m32c/m32c.c (legal_subregs): New.
8254         (m32c_illegal_subreg_p): New.
8255         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
8256         unsupported subregs of hard regs.
8257
8258 2007-02-08  Jan Hubicka  <jh@suse.cz>
8259
8260         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
8261         the same one; always update histograms.
8262
8263 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
8264
8265         * passes.c (init_optimization_passes): Tidy comment.
8266
8267 2007-02-08  Roger Sayle  <roger@eyesopen.com>
8268
8269         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
8270         strip zero_extend, bswap and rotates from POCOUNT's argument.
8271         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
8272         zero_extend and rotates from PARITY's argument.
8273         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
8274         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
8275         of an integer constant at compile-time.
8276
8277 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
8278
8279         PR 30562
8280         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
8281         Update all users.
8282         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
8283         users.
8284         (init_alias_info):
8285         * tree-ssa-live.c (remove_unused_locals): Do not remove
8286         TREE_ADDRESSABLE variables.
8287         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
8288         * tree-ssa-operands.c (add_virtual_operand): Remove argument
8289         FOR_CLOBBER.  Update all users.
8290         If VAR has an associated alias set, add a virtual operand for
8291         it if no alias is found to conflict with the memory reference.
8292
8293 2007-02-07  Jan Hubicka  <jh@suse.cz>
8294             Robert Kidd <rkidd@crhc.uiuc.edu>
8295
8296         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
8297
8298 2007-02-07  Ian Lance Taylor  <iant@google.com>
8299
8300         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
8301
8302 2007-02-07  Roger Sayle  <roger@eyesopen.com>
8303
8304         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
8305         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
8306         tablejumpdi, movsi_to_cr_one): Remove constraints from
8307         define_expand's match_operands.
8308
8309 2007-02-07  Roger Sayle  <roger@eyesopen.com>
8310
8311         * global.c (compute_regsets): Move declatation of "i" inside of
8312         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
8313
8314 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
8315
8316         PR c++/30703
8317         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
8318         of INDIRECT_REF <RESULT_DECL>.
8319
8320         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
8321
8322 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
8323             Kaz Kojima  <kkojima@gcc.gnu.org>
8324
8325         PR target/29746
8326         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
8327         properly.
8328         (sh_initialize_trampoline): Add parentheses to avoid a warning.
8329
8330 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
8331
8332         * doc/loop.texi: Document possibility not to perform disambiguation
8333         of loops with multiple latches.
8334         * cfgloopmanip.c (alp_enum_p): Removed.
8335         (add_loop): Handle subloops.  Use get_loop_body_with_size.
8336         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
8337         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
8338         the new forwarder block.
8339         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
8340         Handle the case latch is NULL.
8341         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
8342         when marking loop exits.
8343         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
8344         be modified.
8345         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
8346         disambiguate_loops_with_multiple_latches.
8347         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
8348         before fix_loop_structure.
8349         * cfgloop.c: Include pointer-set.h and output.h.
8350         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
8351         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
8352         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
8353         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
8354         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
8355         disambiguate_multiple_latches, get_loop_body_with_size,
8356         disambiguate_loops_with_multiple_latches): New functions.
8357         (flow_loop_dump): Dump multiple latch edges.
8358         (flow_loop_nodes_find): Handle loops with multiple latches.
8359         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
8360         (glb_enum_p): Modified.
8361         (get_loop_body): Use get_loop_body_with_size.
8362         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
8363         (AVOID_CFG_MODIFICATIONS): New constant.
8364         (disambiguate_loops_with_multiple_latches, add_loop,
8365         get_loop_body_with_size): Declare.
8366         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
8367
8368 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
8369
8370         PR inline-asm/28686
8371         * global.c (compute_regsets): New function.
8372         (global_alloc): Refactored ELIMINABLE_REGSET
8373         and NO_GLOBAL_ALLOC_REGS computation out.
8374         (rest_of_handle_global_alloc): Call compute_regsets()
8375         for non-optimizing case.
8376
8377 2007-02-06  Richard Henderson  <rth@redhat.com>
8378
8379         * config/i386/constraints.md (Y2): Rename from Y.
8380         (Yi): New constraint.
8381         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
8382         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
8383         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
8384         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
8385         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
8386         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
8387         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
8388         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
8389         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
8390         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
8391         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
8392         vec_extractv2si_1): Change Y constraints to Y2.
8393         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
8394         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
8395         Change Y constraints to Y2.
8396         (sse2_loadld): Change Y constraints to x.
8397
8398 2007-02-06  Roger Sayle  <roger@eyesopen.com>
8399
8400         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
8401         (parity<mode>2): New define_expand using rs6000_emit_parity.
8402         * config/rs6000/rs6000.c (rs6000_emit_popcount,
8403         rs6000_emit_parity): New functions.
8404         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
8405         rs6000_emit_parity): Prototype here.
8406
8407 2007-02-06  Ian Lance Taylor  <iant@google.com>
8408
8409         * lower-subreg.c (simple_move_operand): Reject CONST.
8410         (resolve_clobber): Call validate_change rather than directly
8411         assigning to XEXP (pat, 0).
8412
8413 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
8414
8415         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
8416         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
8417         (tree-cfg.o): Remove hashtab.h dependency.
8418
8419         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
8420         (struct ivopts_data): Change niters to pointer_map_t.
8421         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
8422         (niter_for_exit): Create pointer_map on demand.  Change for
8423         pointer_map API.
8424         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
8425         (free_loop_data): Destroy data->niters if created and reset field.
8426         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
8427         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
8428
8429         * tree-ssa-reassoc.c: Include pointer-set.h.
8430         (bb_rank): Change to long *.
8431         (operand_rank): Change to pointer_map_t.
8432         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
8433         (insert_operand_rank): Accept long.
8434         (operand_entry_hash, operand_entry_eq): Remove.
8435         (get_rank): Return long.  Adjust for changes above.
8436         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
8437         and operand_rank.
8438         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
8439
8440         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
8441         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
8442         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
8443         is not NULL.
8444         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
8445         directly since it cannot be NULL.
8446         (get_vi_for_tree): Rewrite for pointer_map API.
8447         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
8448         (init_alias_vars): Create vi_for_tree as pointer_map.
8449         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
8450
8451         * tree-cfg.c: Don't include hashtab.h.
8452         (edge_to_cases): Declare as pointer_map.
8453         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
8454         Delete.
8455         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
8456         (start_recording_case_labels): Create edge_to_cases as pointer_map.
8457         (end_recoding_case_labels): Cleanup edge_to_cases manually before
8458         destroying it.
8459         (record_switch_edge): Delete.
8460         (get_cases_for_edge): Adjust for pointer_map API, inline
8461         record_switch_edge (rewritten for new API), remove goto.
8462
8463 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
8464
8465         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
8466         * tree-nested.c: Include pointer-set.h.
8467         (var_map_elt, var_map_eq, var_map_hash): Delete.
8468         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
8469         to pointer_map_t's.
8470         (nesting_info_bitmap_obstack): New.
8471         (lookup_field_for_decl): Adjust for pointer_map API.
8472         (lookup_tramp_for_decl): Adjust for pointer_map API.
8473         (get_nonlocal_debug_decl): Adjust for pointer_map API.
8474         (get_local_debug_decl): Adjust for pointer_map API.
8475         (convert_nl_goto_reference): Adjust for pointer_map API.
8476         (convert_nl_goto_receiver): Adjust for pointer_map API.
8477         (create_nesting_tree): Create outside GGC space.  Create bitmap on
8478         the new obstack.  Create field_map and var_map as pointer_maps.
8479         (free_nesting_tree): Adjust for changes to create_nesting_tree.
8480         (root): Delete.
8481         (lower_nested_functions): Move root here, no need to NULL it.
8482         Initialize and release the obstack.
8483
8484 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
8485
8486         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
8487         Remove prototypes and make them non-static.
8488         (struct tree_int_map): Remove.
8489         * tree.h (struct tree_int_map): Move here, turning TO into an
8490         unsigned int.
8491         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
8492
8493         * tree.h (TREE_COMPLEXITY): Remove.
8494         (struct tree_exp): Remove complexity field.
8495         * tree.c (build1_stat): Don't set it.
8496
8497 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
8498             Victor Kaplansky  <victork@il.ibm.com>
8499
8500         * tree-vectorizer.c (vect_is_simple_use): Support induction.
8501         (vect_is_simple_reduction): Support reduction with induction as
8502         one of the operands.
8503         (vect_is_simple_iv_evolution): Fix formatting.
8504         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
8505         formatting.  Don't mark induction phis for vectorization.
8506         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
8507         * tree-vect-transform.c (get_initial_def_for_induction): New function.
8508         (vect_get_vec_def_for_operand): Support induction.
8509         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
8510         induction case.
8511         (vectorizable_reduction): Support reduction with induction as one of
8512         the operands.
8513         (vectorizable_type_demotion): Use def-type of stmt argument rather
8514         than dummy def-type.
8515
8516         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
8517         flag_tree_scev_cprop.
8518         * common.opt (tree-scev-cprop): New flag.
8519
8520         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
8521         call to vect_get_new_vect_var.
8522
8523 2007-02-06  Ira Rosen  <irar@il.ibm.com>
8524
8525         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
8526         vectype is not NULL.
8527         (vect_pattern_recog_1): Likewise.
8528
8529 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8530
8531         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
8532         (fold_negate_expr): Likewise.
8533
8534 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
8535
8536         PR debug/30189
8537         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
8538         even if cv-qualification is the same.
8539
8540 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
8541
8542         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
8543         __enable_execute_stack on completion.
8544
8545 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8546
8547         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
8548         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
8549         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
8550         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
8551         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
8552         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
8553         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
8554         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
8555
8556 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8557
8558         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
8559         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
8560         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
8561         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
8562         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
8563         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
8564         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
8565         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
8566         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
8567         umuldi3_highpart_rex64, umulsi3_highpart_insn,
8568         umulsi3_highpart_zext, smuldi3_highpart_rex64,
8569         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
8570         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
8571         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
8572         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
8573         sqrtextenddfxf2_i387): Added amdfam10_decode.
8574
8575         * config/i386/athlon.md (athlon_idirect_amdfam10,
8576         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
8577         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
8578         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
8579         athlon_ivector_store_amdfam10): New define_insn_reservation.
8580         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
8581         amdfam10.
8582
8583 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8584
8585         * config/i386/athlon.md (athlon_call_amdfam10,
8586         athlon_pop_amdfam10, athlon_lea_amdfam10): New
8587         define_insn_reservation.
8588         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
8589         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
8590         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
8591
8592 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8593
8594         * config/i386/athlon.md (athlon_sseld_amdfam10,
8595         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
8596         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
8597
8598 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8599
8600         * config/i386/athlon.md (athlon_sseins_amdfam10): New
8601         define_insn_reservation.
8602         * config/i386/i386.md (sseins): Added sseins to define_attr type
8603         and define_attr unit.
8604         * config/i386/sse.md: Set type attribute to sseins for insertq
8605         and insertqi.
8606
8607 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8608
8609         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
8610         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
8611         ssecomi_load_amdfam10, ssecomi_amdfam10,
8612         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
8613         define_insn_reservation.
8614         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
8615
8616 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8617
8618         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
8619         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
8620         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
8621         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
8622         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
8623         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
8624         define_insn_reservation.
8625
8626         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
8627         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
8628         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
8629         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
8630         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
8631
8632 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8633
8634         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
8635         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
8636         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
8637         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
8638         athlon_ssemul_load_k8): Added amdfam10.
8639
8640 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8641
8642         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
8643         (x86_sse_unaligned_move_optimal): New variable.
8644
8645         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
8646         m_AMDFAM10.
8647         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
8648         for unaligned vector SSE double/single precision loads for AMDFAM10.
8649
8650 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8651
8652         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
8653         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
8654         Define TARGET_CPU_DEFAULT_amdfam10.
8655         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
8656         (processor_type): Add PROCESSOR_AMDFAM10.
8657
8658         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
8659         processor_type in config/i386/i386.h.
8660         Enable imul peepholes for TARGET_AMDFAM10.
8661
8662         * config.gcc: Add support for --with-cpu option for amdfam10.
8663
8664         * config/i386/i386.c (amdfam10_cost): New variable.
8665         (m_AMDFAM10): New macro.
8666         (m_ATHLON_K8_AMDFAM10): New macro.
8667         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
8668         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
8669         x86_promote_QImode, x86_integer_DFmode_moves,
8670         x86_partial_reg_dependency, x86_memory_mismatch_stall,
8671         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
8672         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
8673         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
8674         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
8675         Enable/disable for amdfam10.
8676         (override_options): Add amdfam10_cost to processor_target_table.
8677         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
8678         processor_alias_table.
8679         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
8680         (ix86_adjust_cost): Add code for amdfam10.
8681
8682 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8683
8684         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
8685         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
8686         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
8687         * config/i386/i386.h: Add builtin definition for SSE4A.
8688         * config/i386/i386.md: Add support for ABM instructions
8689         (popcnt and lzcnt).
8690         * config/i386/sse.md: Add support for SSE4A instructions
8691         (movntss, movntsd, extrq, insertq).
8692         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
8693         Add -march=amdfam10 flag.
8694         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
8695         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
8696         and amdfam10.
8697         * doc/extend.texi: Add documentation for SSE4A builtins.
8698
8699 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
8700
8701         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
8702
8703 2007-02-05  Richard Guenther  <rguenther@suse.de>
8704
8705         * tree-vectorizer.h (vectorizable_function): Add argument type
8706         argument, change return type.
8707         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
8708         * tree-vect-transform.c (vectorizable_function): Handle extra
8709         argument, return vectorized function decl.
8710         (build_vectorized_function_call): Remove.
8711         (vectorizable_call): Handle calls with result and argument types
8712         differing.  Handle loop vectorization factor correctly.
8713         * targhooks.c (default_builtin_vectorized_function): Adjust for
8714         extra argument.
8715         * targhooks.h (default_builtin_vectorized_function): Likewise.
8716         * target.h (builtin_vectorized_function): Add argument type
8717         argument.
8718         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
8719         extra argument, allow vectorizing of lrintf.
8720         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
8721         documentation of target hook.
8722
8723 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
8724
8725         PR target/30665
8726         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
8727         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
8728         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
8729
8730 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8731
8732         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
8733         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
8734         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
8735         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
8736         before canonicalizing sincos to cexpi.
8737         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
8738
8739 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8740
8741         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
8742         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
8743         (alpha_init_builtins): Use alpha_add_builtins to process tables.
8744
8745 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8746
8747         * mips-tfile.c (initialize_init_file): Correct endianness test.
8748
8749 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
8750
8751         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
8752         the 'y' constraint.
8753
8754 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
8755
8756         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
8757         saves in a PARALLEL before the register assignments.
8758
8759 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
8760
8761         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
8762         DWARF_FRAME_RETURN_COLUMN to be a general register.
8763         * dwarf2out.c (init_return_column_size): New function, split from...
8764         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
8765         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
8766         to be nongeneral registers.
8767         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
8768         integer registers.
8769         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
8770         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
8771
8772 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
8773
8774         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
8775
8776 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
8777
8778         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
8779         (remove_path): Use can_remove_branch_p and remove_branch instead
8780         of loop_delete_branch_edge.
8781         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
8782         (tree_transform_and_unroll_loop): Remove dead branches immediately.
8783         Update profile using scale_dominated_blocks_in_loop.
8784         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
8785         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
8786         (can_remove_branch_p, remove_branch): Declare.
8787         * tree-cfg.c (tree_can_remove_branch_p): New function.
8788         (tree_cfg_hooks): Add tree_can_remove_branch_p.
8789         * cfgrtl.c (rtl_can_remove_branch_p): New function.
8790         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
8791
8792 2007-02-05  Jan Hubicka  <jh@suse.cz>
8793
8794         PR middle-end/30696
8795         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
8796         nodes in cgraph, don't remove offline copy of the function.
8797
8798 2007-02-04  Jan Hubicka  <jh@suse.cz>
8799
8800         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
8801         vectors might cause maybe_lookup_element_for_expr to be called
8802         on non-sra-candidate.
8803
8804 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8805
8806         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
8807         config/bfin/bfin.md, config/bfin/predicates.md: Follow
8808         spelling conventions.
8809
8810 2007-02-04  Richard Guenther  <rguenther@suse.de>
8811
8812         PR middle-end/30636
8813         * fold-const.c (try_move_mult_to_index): Make sure to not
8814         overflow one dimension of a multi-dimensional array access.
8815
8816 2007-02-04  Jan Hubicka  <jh@suse.cz>
8817
8818         * passes.c (init_optimization_passes): Reindent.
8819
8820 2007-02-04  Jan Hubicka  <jh@suse.cz>
8821             Eric Botcazou  <ebotcazou@adacore.com>
8822
8823         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
8824         (execute_fixup_cfg): Break out the abnormal goto code.
8825         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
8826         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
8827         (optimize_inline_calls): Call make_nonlocal_label_edges.
8828
8829 2007-02-04  Jan Hubicka  <jh@suse.cz>
8830
8831         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
8832         true when something was changed.
8833         (rename_ssa_copies): When something was changed, do
8834         TODO_remove_unused_locals.
8835         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
8836         add TODO_remove_unused_locals when instruction was removed.
8837
8838 2007-02-04  Jan Hubicka  <jh@suse.cz>
8839
8840         * ipa-inline.c (try_inline): Improve debug output; work on already
8841         inline edges too.
8842         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
8843         call try_inline for already inlined edges too when flattening;
8844         inline also functions that make callee growth but overall unit size
8845         reduce.
8846
8847 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8848
8849         * config/m32c/bitops.md, config/m32c/jump.md,
8850         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
8851         config/m32r/m32r.h, config/m32r/m32r.md,
8852         config/m32r/predicates.md, config/m68hc11/larith.asm,
8853         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
8854         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
8855         config/mips/mips-protos.h, config/mips/mips.c,
8856         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
8857         config/mn10300/mn10300.h, config/mn10300/predicates.md,
8858         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
8859         spelling conventions.
8860
8861         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
8862         Follow spelling conventions.
8863
8864 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
8865
8866         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
8867         warn about C++0x compatibility.
8868
8869 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8870
8871         * config/h8300/h8300.c, config/h8300/h8300.h,
8872         config/h8300/h8300.md: Follow spelling conventions.
8873
8874 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
8875
8876         PR middle-end/30667
8877         * combine.c (try_combine): Do not substitute source operand
8878         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
8879
8880 2007-02-03  Jan Hubicka  <jh@suse.cz>
8881
8882         PR gcov-profile/30650
8883         * value-prof.c (stringop_block_profile): Fix handling of size counter;
8884         do not divide by zero for never executed counters.
8885         (tree_find_values_to_profile): Fix counters.
8886         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
8887
8888 2007-02-03  Ian Lance Taylor  <iant@google.com>
8889
8890         * lower-subreg.c (simple_move_operand): New static function,
8891         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
8892         operands.
8893         (simple_move): Call simple_move_operand.
8894         (find_decomposable_subregs): Add special handling of MEMs.
8895         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
8896         meaning of return value.  If we see a hard register, test whether
8897         it can store a word_mode value.  Change all callers.
8898
8899 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8900
8901         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
8902         ftrapv insns and expanders.
8903         (subdi3): Change define_expand operand 1 to arith11_operand, and
8904         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
8905         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
8906         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
8907         respectively.
8908
8909         PR middle-end/30174
8910         * varasm.c (notice_global_symbol): Treat global objects as weak when
8911         flag_shlib is true.
8912
8913 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8914
8915         * emit-rtl.c (dconstpi): Delete.
8916         (dconstsqrt2): New.
8917         (init_emit_once): Delete dconstpi and init dconstsqrt2.
8918         * real.h (dconstpi): Delete.
8919         (dconstsqrt2): New.
8920         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
8921         (fold_builtin_hypot): Likewise.
8922
8923 2007-02-03  Tom Tromey  <tromey@redhat.com>
8924
8925         PR driver/30246
8926         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
8927         -gcoff3, -gxcoff3, -gvms3 implies -dD.
8928
8929 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
8930
8931         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
8932         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
8933         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
8934         config/rs6000/cell.md, config/rs6000/darwin.h,
8935         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
8936         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
8937         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
8938         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
8939         typos.  Follow spelling conventions.
8940         * doc/invoke.texi: Follow spelling conventions.
8941
8942 2007-02-03  Roger Sayle  <roger@eyesopen.com>
8943
8944         * simplify-rtx.c (simplify_relational_operation_1): Implement some
8945         canonicalization transformations that attempt to simplify integer
8946         constant comparisons to become comparisons against zero.
8947
8948 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8949
8950         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
8951         fabs(x)*sqrt(2).
8952         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
8953         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
8954
8955 2007-02-02  Mike Stump  <mrs@apple.com>
8956
8957         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
8958         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
8959         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
8960         generate a branch island.
8961
8962 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
8963
8964         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
8965         (xtensa_legitimate_address_p): New.
8966         (xtensa_legitimize_address): New.
8967         (xtensa_output_addr_const_extra): New.
8968         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
8969         (BASE_REG_P): New.
8970         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
8971         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
8972         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
8973         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
8974         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
8975         (xtensa_legitimize_address): New.
8976         (xtensa_output_addr_const_extra): New.
8977
8978 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
8979
8980         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
8981
8982 2007-02-02  Ian Lance Taylor  <iant@google.com>
8983
8984         * expmed.c (expand_divmod): Add comment.
8985
8986 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
8987
8988         * emit-rtl.c (renumber_insns): Remove.
8989         * flags.h: Remove the extern for flag_renumber_insns.
8990         * rtl.h: Remove the prototype for renumber_insns.
8991         * toplev.c (flag_renumber_insns): Remove.
8992
8993 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
8994
8995         Revert for x86 darwin:
8996         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
8997
8998         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
8999         code before the following patch under TARGET_MACHO.
9000         (ix86_function_value_regno_p): Likewise.
9001
9002 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9003
9004         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
9005         COMPLEX_EXPR.
9006
9007 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
9008
9009         PR target/29682
9010         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
9011         general or fp registers.  Add comments.
9012         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
9013
9014 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
9015
9016         * pointer-set.c (insert_aux): Only return insertion slot.
9017         (pointer_set_insert): Adjust.
9018         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
9019         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
9020         pointer_map_traverse): New.
9021         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
9022         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
9023         pointer_map_contains, pointer_map_traverse): Declare.
9024
9025 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
9026
9027         PR middle-end/30473
9028         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
9029         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
9030
9031 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
9032
9033         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
9034
9035         (struct _dep): New type.
9036         (dep_t): New typedef.
9037         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
9038         (DEP_STATUS): New access macro.  The macro with the same name was
9039         renamed to DEP_LINK_STATUS.
9040         (dep_init): Declare function
9041
9042         (struct _dep_link): New type.
9043         (dep_link_t): New typedef.
9044         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
9045         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
9046         (DEP_LINK_STATUS): New macro.
9047         (debug_dep_links): New debug function.
9048
9049         (struct _deps_list): New type.
9050         (deps_list_t): New typedef.
9051         (DEPS_LIST_FIRST): New access macro.
9052         (FOR_EACH_DEP_LINK): New cycle macro.
9053         (create_deps_list, free_deps_list, delete_deps_list): Declare
9054         functions.
9055         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
9056         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
9057         (copy_deps_list_change_con): Ditto.
9058
9059         (move_dep_link): Declare function.
9060
9061         (struct _dep_node): New type.
9062         (dep_node_t): New typedef.
9063         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
9064
9065         (struct haifa_insn_data.back_deps): New field to hold backward
9066         dependencies of the insn.
9067         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
9068         to deps_list_t.
9069         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
9070         Change its type to deps_list_t.
9071         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
9072         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
9073         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
9074
9075         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
9076
9077         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
9078
9079         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
9080         all callers.
9081         (dep_cost): Declare.
9082
9083         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
9084         (ds_to_dk, dk_to_ds): New functions.
9085
9086         (init_dep_1): New static function.
9087         (init_dep): New function.
9088         (copy_dep): New static function.
9089
9090         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
9091         functions.
9092         (detach_dep_link): New static function.
9093         (move_dep_link): New function.
9094
9095         (dep_links_consistent_p, dump_dep_links): New static functions.
9096         (debug_dep_links): New debugging function.
9097
9098         (deps_obstack, dl_obstack, dn_obstack): New static variables.
9099
9100         (alloc_deps_list, init_deps_list): New static functions.
9101         (create_deps_list): New function.
9102         (clear_deps_list): New static function.
9103         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
9104         (deps_list_consistent_p, dump_deps_list): New static functions.
9105         (debug_deps_list): New function.
9106         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
9107         functions.
9108         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
9109
9110         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
9111         use new scheduler dependencies lists.
9112         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
9113         (sched_analyze): Ditto.  Initialize dependencies lists.
9114         (add_forw_dep, compute_forward_dependences): Update to use new
9115         scheduler dependencies lists.
9116
9117         (init_dependency_caches): Init deps_obstack.
9118         (free_dependency_caches): Free deps_obstack.
9119
9120         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
9121         new scheduler dependencies lists.
9122         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
9123         (add_back_forw_dep, delete_back_forw_dep): Ditto.
9124
9125         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
9126         Update to use new scheduler dependencies lists.
9127         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
9128         (debug_dependencies): Ditto.
9129         (schedule_region): Update comments.
9130
9131         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
9132         scheduler dependencies lists.
9133         (schedule_ebb): Update comments.
9134
9135         * rtl.def (DEPS_LIST): Remove.
9136
9137         * lists.c (unused_deps_list): Remove.
9138         (free_list): Update assertions.
9139
9140         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
9141         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
9142
9143         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
9144         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
9145
9146         * haifa-sched.c (comments): Update.
9147         (insn_cost1): Remove.  Inline the code into insn_cost ().
9148         (insn_cost): Update to use new scheduler dependencies lists.  Move
9149         processing of the dependency cost to dep_cost ().
9150         (dep_cost): New function.  Use it instead of insn_cost () when
9151         evaluating cost of the dependency.  Use compatible interface to
9152         interact with the target.
9153         (priority): Update to use new scheduler dependencies lists.
9154         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
9155         with greater number of insns that depend on the insn.
9156         (schedule_insn): Update to use new scheduler dependencies lists.  Add
9157         code to free backward dependencies lists.  Inline and optimize code
9158         from resolve_dep () - see PR28071.
9159         (ok_for_early_queue_removal): Update to use new scheduler dependencies
9160         lists.  Update call to targetm.sched.is_costly_dependence hook.
9161
9162         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
9163         scheduler dependencies lists.
9164
9165         (resolve_dep): Remove.  Move the logic to schedule_insn ().
9166         (init_h_i_d): Initialize dependencies lists.
9167
9168         (process_insn_depend_be_in_spec): Rename to
9169         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
9170         dependencies lists.
9171         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
9172         Update to use new scheduler dependencies lists.
9173         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
9174
9175         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
9176         new scheduler dependencies lists.
9177         (build_intra_loop_deps): Ditto.
9178
9179         * target.h (struct _dep): Declare to use in
9180         gcc_target.sched.is_costly_dependence.
9181         (struct gcc_target.sched.adjust_cost): Fix typo.
9182         (struct gcc_target.sched.is_costly_dependence): Change signature to use
9183         single dep_t parameter instead of an equivalent triad.
9184         (struct gcc_target.sched.adjust_cost_2): Remove.
9185
9186         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
9187
9188         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
9189
9190         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
9191         documentation.
9192         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
9193
9194         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
9195         (REG_DEP_TRUE): Document.
9196
9197         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
9198         Change signature to correspond to the targetm.sched.adjust_cost hook.
9199         Update use in TARGET_SCHED_ADJUST_COST_2.
9200         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
9201         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
9202         new scheduler dependencies lists.
9203         (ia64_gen_check): Ditto.
9204
9205         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
9206         dependencies lists.
9207
9208         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
9209         signature to correspond to the targetm.sched.is_costly_dependence hook.
9210         (is_costly_group): Update to use new scheduler dependencies lists.
9211
9212         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
9213         instead of INSN_COST () macro.
9214
9215 2007-02-01  Ian Lance Taylor  <iant@google.com>
9216
9217         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
9218
9219 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
9220
9221         * pa.md (tp_load): Correct mfctl instruction syntax.
9222
9223 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
9224
9225         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
9226         altivec_padding_size calculation on AIX.  Improve comment, add
9227         assert to verify that it's right.
9228
9229         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
9230         64-bit.
9231
9232 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
9233
9234         PR inline-asm/28686
9235         * global.c (global_alloc): Add mising initialization of
9236         ELIMINABLE_REGSET.
9237
9238 2007-02-01  Roger Sayle  <roger@eyesopen.com>
9239
9240         * alias.c (init_alias_analysis): Correct whitespace.
9241         * bb-reorder.c (fix_edges_for_rarely_executed_code,
9242         partition_hot_cold_basic_blocks): Likewise.
9243         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
9244         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
9245         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
9246         fold_builtin_snprintf_chk, fold_builtin_printf,
9247         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
9248         do_mpfr_arg3, do_mpfr_sincos): Likewise.
9249         * cfgcleanup.c (cleanup_cfg): Likewise.
9250         * cfgexpand.c (tree_expand_cfg): Likewise.
9251         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
9252         * function.c (get_next_funcdef_no): Likewise.
9253         * gengtype.c (main): Likewise.
9254         * genmodes.c (main): Likewise.
9255         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
9256         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
9257         * ifcvt.c (noce_emit_move_insn): Likewise.
9258         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
9259         Likewise.
9260         * stor-layout.c (get_best_mode): Likewise.
9261         * tree-ssa-loop-niter.c (get_val_for): Likewise.
9262         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
9263         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
9264         perform_var_substitution, solve_graph): Likewise.
9265         * tree-vrp.c (vrp_finalize): Likewise.
9266
9267 2007-02-01  Ian Lance Taylor  <iant@google.com>
9268
9269         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
9270         high part of a paradoxical subreg, return a constant zero.
9271
9272 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
9273
9274         * toplev.c (lang_dependent_init): Call init_set_costs.
9275         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
9276
9277 2007-02-01  Richard Guenther  <rguenther@suse.de>
9278
9279         PR middle-end/30656
9280         * fold-const.c (fold_negate_expr): Allow negating a
9281         constant if overflow does not change.
9282
9283 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9284
9285         * doc/c-tree.texi (Expression trees): Improve markup.
9286         * doc/tm.texi (Register Classes, Addressing Modes)
9287         (Floating Point): Fix spacing after abbreviations.  Fix some
9288         typos.
9289
9290 2007-02-01  Ben Elliston  <bje@au.ibm.com>
9291
9292         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
9293         * doc/contrib.texi: Likewise.
9294         * doc/install.texi: Likewise.
9295
9296 2007-01-31  Richard Henderson  <rth@redhat.com>
9297             Ian Lance Taylor  <iant@google.com>
9298
9299         * lower-subreg.c: New file.
9300         * rtl.def (CONCATN): Define.
9301         * passes.c (init_optimization_passes): Add pass_lower_subreg and
9302         pass_lower_subreg2.
9303         * emit-rtl.c (update_reg_offset): New static function, broken out
9304         of gen_rtx_REG_offset.
9305         (gen_rtx_REG_offset): Call update_reg_offset.
9306         (gen_reg_rtx_offset): New function.
9307         * regclass.c: Revert patch of 2006-03-05, restoring
9308         reg_scan_update.
9309         (clear_reg_info_regno): New function.
9310         * dwarf2out.c (concatn_loc_descriptor): New static function.
9311         (loc_descriptor): Handle CONCATN.
9312         * common.opt (fsplit_wide_types): New option.
9313         * opts.c (decode_options): Set flag_split_wide_types when
9314         optimizing.
9315         * timevar.def (TV_LOWER_SUBREG): Define.
9316         * rtl.h (gen_reg_rtx_offset): Declare.
9317         (reg_scan_update): Declare.
9318         * regs.h (clear_reg_info_regno): Declare.
9319         * tree-pass.h (pass_lower_subreg): Declare.
9320         (pass_lower_subreg2): Declare.
9321         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
9322         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
9323         -fsplit-wide-types.
9324         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
9325         * Makefile.in (OBJS-common): Add lower-subreg.o.
9326         (lower-subreg.o): New target.
9327
9328 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9329
9330         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
9331
9332 2007-01-31  Anatoly Sokolov <aesok@post.ru>
9333
9334         PR target/19087
9335         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
9336
9337 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9338
9339         PR middle-end/29335
9340         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
9341
9342 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
9343
9344         * cfgloop.h: Include vec-prim.h.
9345         (enum li_flags): Remove LI_ONLY_OLD.
9346         (loop_iterator): Changed.
9347         (fel_next, fel_init): Iterate over loop tree.
9348         (FOR_EACH_LOOP_BREAK): New macro.
9349         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
9350         FOR_EACH_LOOP.
9351         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
9352         * modulo-sched.c (sms_schedule): Ditto.
9353         * tree-vectorizer.c (vectorize_loops): Ditto.
9354         * doc/loop.texi: Update information on loop numbering and behavior of
9355         FOR_EACH_LOOP wrto new loops.
9356         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9357         add_to_evolution_1): Test nestedness of loops instead of comparing
9358         their numbers.
9359         * tree-chrec.c (chrec_fold_plus_poly_poly,
9360         chrec_fold_multiply_poly_poly, chrec_evaluate,
9361         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
9362         reset_evolution_in_loop): Ditto.
9363         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
9364
9365 2007-01-31  Dirk Mueller  <dmueller@suse.de>
9366
9367         * c-common.c (warn_about_parentheses): Separate warning about
9368         un-parenthized sequence of comparison operators from the one
9369         which is supposed to warn about x <= y <= z.
9370
9371 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
9372
9373         * optabs.h (enum optab_index): Add new OTI_isinf.
9374         (isinf_optab): Define corresponding macro.
9375         * optabs.c (init_optabs): Initialize isinf_optab.
9376         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
9377         patterns.
9378         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
9379         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
9380         using isinf_optab.
9381         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
9382         expand_builtin_interclass_mathfn.
9383         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
9384         * config/i386/i386.md (UNSPEC_FXAM): New constant.
9385         (fxam<mode>2_i387): New insn pattern.
9386         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
9387         built-in functions as x87 inline asm.
9388
9389 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9390
9391         * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
9392
9393 2007-01-30  Eric Christopher  <echristo@apple.com>
9394
9395         * config.gcc: Add geode.
9396
9397 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9398
9399         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
9400         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
9401         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
9402         value-prof.c: Fix comment typos.
9403
9404 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9405
9406         PR c++/24745
9407         * doc/invoke.texi (Wpointer-arith): Document warning.
9408
9409 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
9410
9411         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
9412         the list of discrepancies from the draft TR.
9413
9414 2007-01-30  Dirk Mueller  <dmueller@suse.de>
9415
9416         PR c++/30601
9417         * doc/invoke.texi (-Wreturn-type): Update description to
9418         match new behavior.
9419
9420 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
9421
9422         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
9423
9424 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
9425
9426         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
9427         to handle optabs that operate on floating point input argument and
9428         output to integer output.
9429         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
9430         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
9431         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
9432         expand_builtin_interclass_mathfn ().
9433         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
9434         (ilogbsi2): Remove.
9435         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
9436         ilogbl built-in functions as x87 intrinsics.
9437
9438 2007-01-30  Richard Guenther  <rguenther@suse.de>
9439
9440         PR middle-end/27657
9441         * dwarf2out.c (reference_to_unused): Query varpool if the
9442         variable was output.
9443
9444 2007-01-30  Richard Guenther  <rguenther@suse.de>
9445
9446         PR middle-end/30313
9447         * passes.c (execute_one_pass): Reset in_gimple_form to not
9448         confuse non-unit-at-a-time mode.
9449
9450 2007-01-29  Roger Sayle  <roger@eyesopen.com>
9451             Richard Guenther  <rguenther@suse.de>
9452
9453         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
9454         avoid undefined behaviour on overflow.  Use force_fit_type_double
9455         to construct the constant with the specified TREE_OVERFLOW.
9456
9457 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
9458
9459         * config/dfp-bit.c: Add parameterized support for fp exceptions.
9460         * config/dfp-bit.h: Ditto.
9461
9462 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9463
9464         * c-decl.c (pop_scope): Replace warnings with call to
9465         warn_for_unused_label.
9466         * c-common.h (warn_for_unused_label): Declare.
9467         * c-common.c (warn_for_unused_label): Define.
9468
9469 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9470
9471         * tree-optimize.c (update_inlined_to_pointers): Delete unused
9472         function.
9473
9474 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
9475
9476         * Makefile.in (USER_H): Remove decfloat.h.
9477         * ginclude/decfloat.h: Delete, moving contents to ...
9478         * ginclude/float.h: Add support for decimal floating point,
9479         guarded by __STDC_WANT_DEC_FP__.
9480
9481 2007-01-29  Mike Stump  <mrs@apple.com>
9482
9483         * doc/gccint.texi (Top): Rename Loop Representation to Loop
9484         Analysis and Representation to resolve case insensitive conflict.
9485         * doc/loop.texi (Loop Analysis and Representation): Likewise.
9486
9487 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
9488
9489         * tree.h (struct tree_memory_tag): Add aliases member.
9490         (MTAG_ALIASES): New macro.
9491         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
9492         (add_may_alias): Remove pointer-set. Update for may_aliases being
9493         a bitmap.
9494         (mark_aliases_call_clobbered): Update for may_aliases being a
9495         bitmap.
9496         (compute_tag_properties): Ditto.
9497         (create_partition_for): Ditto.
9498         (compute_memory_partitions): Ditto.
9499         (dump_may_aliases_for): Ditto.
9500         (is_aliased_with): Ditto.
9501         (add_may_alias_for_new_tag): Ditto.
9502         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
9503         (compute_is_aliased): New function.
9504         (compute_may_aliases): Call compute_is_aliased).
9505         (init_alias_info): Initialize alias_bitmap_obstack.
9506         (union_alias_set_into): New function.
9507         (compute_flow_sensitive_aliasing): Use union_aliases_into.
9508         (have_common_aliases_p): Rewrite to take two bitmaps and use
9509         intersection.
9510         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
9511         Update for bitmaps.
9512         (finalize_ref_all_pointers): Update for add_may_alias changes.
9513         (new_type_alias): Ditto.
9514         * tree-flow-inline.h (may_aliases): Return a bitmap.
9515         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
9516         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
9517         may_aliases being a bitmap.
9518         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
9519         may_aliases now returns a bitmap.
9520         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
9521         being a bitmap.
9522         * tree-ssa-operands.c (add_virtual_operand): Update for
9523         may_aliases being a bitmap.
9524
9525 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
9526
9527         PR tree-optimization/30630
9528         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
9529         variable as changed.
9530
9531 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
9532
9533         PR c++/28266
9534         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
9535         expanded only once even if an error occurs.
9536
9537 2007-01-29  Ben Elliston  <bje@au.ibm.com>
9538
9539         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
9540         (__gcov_average_profiler): Likewise.
9541         (__gcov_ior_profiler): Likewise.
9542         (__gcov_merge_ior): Likewise.
9543
9544 2007-01-28  Jan Hubicka  <jh@suse.cz>
9545
9546         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
9547         * value-prof.c (stringop_block_profile): Likewise.
9548
9549 2007-01-28  Jan Hubicka  <jh@suse.cz>
9550
9551         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
9552         variant handling histograms; add wrapper.
9553         (clear_storage_via_libcall): Export.
9554         (emit_block_move_hints): Break out from ...; add histograms.
9555         (emit_block_move): ... this one.
9556         (clear_storage_hints): Break out from ...; add histograms.
9557         (clear_storage): ... this one.
9558         (set_storage_via_memset): Handle histogram.
9559         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
9560         (clear_storage_hints, clear_storage_via_libcall): Declare.
9561         (set_storage_via_setmem): Update prototype.
9562         * doc/md.texi (movmem, setmem): Document new arguments.
9563
9564         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
9565         new histograms.
9566         (stringop_block_profile): New global function.
9567         (tree_stringops_values_to_profile): Profile block size and alignment.
9568         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
9569         HIST_TYPE_IOR.
9570         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
9571         (stringop_block_profile): Declare.
9572         * builtins.c: Include value-prof.h.
9573         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
9574         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
9575         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
9576         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
9577         * profile.c (instrument_values): Add new counters.
9578         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
9579         calls.
9580         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
9581         (tree_init_edge_profiler): Build new profilers.
9582         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
9583         (pass_tree_profile): Add dump.
9584         (tree_profile_hooks): Update.
9585         * Makefile.in (LIBGCOV): Add new constants.
9586         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
9587         __gcov_ior_profiler): New.
9588         * i386.md (movmem/setmem expanders): Add new optional arguments.
9589
9590 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
9591
9592         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
9593
9594 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
9595
9596         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
9597         (tree_unswitch_single_loop): Pass eni_size_weights to
9598         tree_num_loop_insns.
9599         * tree-ssa-loop-manip.c: Include tree-inline.h.
9600         (can_unroll_loop_p): Pass eni_size_weights to
9601         tree_num_loop_insns.
9602         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
9603         Pass eni_size_weights to estimate_num_insns.
9604         * tree.h (init_inline_once): Export.
9605         * toplev.c (backend_init): Call init_inline_once.
9606         * cgraphunit.c (cgraph_process_new_functions,
9607         cgraph_analyze_function): Pass eni_inlining_weights to
9608         estimate_num_insns.
9609         * ipa-inline.c (compute_inline_parameters): Ditto.
9610         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
9611         to estimate_num_insns.
9612         (try_unroll_loop_completely): Pass eni_size_weights to
9613         tree_num_loop_insns.
9614         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
9615         ot estimate_num_insns.
9616         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
9617         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
9618         * tree-inline.c (eni_inlining_weights, eni_size_weights,
9619         eni_time_weights): New variables.
9620         (init_inline_once): Initialize them.
9621         (struct eni_data): Mew.
9622         (estimate_num_insns_1, estimate_num_insns): Use weights.
9623         * tree-inline.h (struct eni_weights_d): New.
9624         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
9625         (estimate_num_insns): Declaration changed.
9626         * cfgloop.h (tree_num_loop_insns): Declaration changed.
9627         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
9628         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
9629
9630 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
9631
9632         * tree-data-ref.c (conflict_fn): Assert that the number of affine
9633         relations in the conflict function is valid.
9634
9635 2007-01-27  Ian Lance Taylor  <iant@google.com>
9636
9637         * common.opt: Add fstrict-overflow.
9638         * opts.c (decode_options): Set flag_strict_overflow if -O2.
9639         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
9640         (TYPE_OVERFLOW_UNDEFINED): Define.
9641         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
9642         Replace all uses.
9643         * tree.h (TYPE_TRAP_SIGNED): Don't define.
9644         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
9645         (fold_negate_expr): Likewise.
9646         (make_range): Likewise.
9647         (extract_muldiv_1): Likewise.
9648         (maybe_canonicalize_comparison): Likewise.
9649         (fold_comparison): Likewise.
9650         (fold_binary): Likewise.
9651         (tree_expr_nonnegative_p): Likewise.
9652         (tree_expr_nonzero_p): Likewise.
9653         * tree-vrp.c (compare_values): Likewise.
9654         (extract_range_from_binary_expr): Likewise.
9655         (extract_range_from_unary_expr): Likewise.
9656         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
9657         Likewise.
9658         (nowrap_type_p): Likewise.
9659         * tree-scalar-evolution.c (simple_iv): Likewise.
9660         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
9661         (build_range_check): Likewise.
9662         (extract_muldiv_1): Likewise.
9663         (fold_comparison): Likewise.
9664         * tree-vrp.c (vrp_int_const_binop): Likewise.
9665         (extract_range_from_unary_expr): Likewise.
9666         * convert.c (convert_to_integer): Likewise.
9667         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
9668         (fold_comparison): Likewise.
9669         (fold_binary): Likewise.
9670         * optabs.c (optab_for_tree_code): Likewise.
9671         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
9672         * simplify-rtx.c (simplify_const_relational_operation): Check
9673         flag_strict_overflow and flag_trapv.
9674         (simplify_const_relational_operation): Likewise.
9675         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
9676         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
9677         -fstrict-overflow.
9678
9679 2007-01-27  Roger Sayle  <roger@eyesopen.com>
9680
9681         * tree.c (tree_fold_gcd): Delete.
9682         * tree.h (tree_fold_gcd): Remove prototype.
9683         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
9684         test whether one constant integer is a multiple of another.  Instead
9685         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
9686         * fold-const.c (multiple_of_p):  We've determined both TOP and
9687         BOTTOM are integer constants so we can call int_const_binop directly
9688         instead of the more generic const_binop.
9689
9690 2007-01-27  Roger Sayle  <roger@eyesopen.com>
9691
9692         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
9693         1*X check that the constant hasn't overflowed, to preserve the
9694         TREE_OVERFLOW bit.
9695         (round_up): Provide an efficient implementation when rouding-up an
9696         INTEGER_CST to a power-of-two.
9697
9698 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9699
9700         * doc/sourcebuild.texi: Add comma for clarity.
9701         * doc/extend.texi: Fix some typos.
9702         * doc/passes.texi: Likewise.
9703         * doc/cppinternals.texi: Likewise.
9704         * doc/c-tree.texi: Likewise.
9705         * doc/tree-ssa.texi: Likewise.
9706         * doc/install.texi: Likewise.
9707
9708 2007-01-27  Jan Hubicka  <jh@suse.cz>
9709
9710         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
9711         (pass_sra): Do not require alias information.
9712         * passes.c (init_optimization_passes): Add SRA
9713
9714 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
9715
9716         * tracer.c (rest_of_handle_tracer): We already cleaned
9717         up the CFG in tracer() so don't do it here again.
9718         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
9719         cleanup_cfg here, either.  And don't call renumber_insns.
9720
9721         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
9722         and BB_HEAD are in the insn stream here.  Instead make sure
9723         that BB_INSN is valid on all insns.  Also, do check here that
9724         there are no pending branch predictions...
9725         (rtl_verify_flow_info): ...instead of doing it here.  Checks
9726         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
9727         here.
9728
9729 2007-01-26  Roger Sayle  <roger@eyesopen.com>
9730
9731         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
9732         function to simplify/factorize operand order canonicalization.
9733         (ix86_fixup_binary_operands): Reorganize using the above function.
9734         (ix86_binary_operator_ok): Likewise.
9735
9736 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
9737
9738         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
9739         file scope from optimize_attrs.
9740         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
9741         up search.
9742         (optimize_attrs): Clear insn_code_values after freeing it.
9743
9744 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
9745
9746         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
9747         a parts.base assignment.
9748
9749 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
9750
9751         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
9752         (compute_subscript_distance, initialize_data_dependence_relation,
9753         finalize_ddr_dependent, analyze_ziv_subscript,
9754         analyze_siv_subscript_cst_affine,
9755         compute_overlap_steps_for_affine_univar,
9756         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
9757         analyze_siv_subscript, analyze_miv_subscript,
9758         analyze_overlapping_iterations, subscript_dependence_tester_1,
9759         compute_self_dependence, free_dependence_relation): Work
9760         with affine_fn instead of chrecs.
9761         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
9762         common_affine_function, affine_function_base,
9763         affine_function_constant_p, affine_fn_op, affine_fn_plus,
9764         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
9765         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
9766         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
9767         (all_chrecs_equal_p): Removed.
9768         * tree-data-ref.h (affine_fn, conflict_function): New types.
9769         (struct subscript): Change type of conflicting_iterations_in_a
9770         and conflicting_iterations_in_b.
9771
9772 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
9773
9774         PR other/30182
9775         * config/pa/pa.h (TARGET_HPUX_11): New.
9776         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
9777         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
9778
9779 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
9780         Richard Guenther  <rguenther@suse.de>
9781
9782         * tree-ssa-structalias.c (solve_graph): Handle case
9783         we merged the variable to another.
9784
9785 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9786
9787         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
9788         functions.
9789
9790         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
9791         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
9792
9793 2007-01-25  DJ Delorie  <dj@redhat.com>
9794
9795         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
9796         allow changes to modes which don't fit in those registers.
9797
9798         * reload1.c (choose_reload_regs): Check for invalid subregs before
9799         computing their locations, not after.
9800
9801 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
9802
9803         PR 25127
9804         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
9805         save Altivec registers in an eh_return function.
9806         (compute_vrsave_mask): Likewise.
9807         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
9808         for saving Altivec registers.
9809         (rs6000_emit_prologue): Don't allocate stack twice in
9810         eh_return function.  Correct expected value of altivec_save_offset
9811         when using save_world.  Describe save of R0 to stack when using
9812         save_world.  Describe stack pointer adjustment when using
9813         save_world.  Remove duplicated eh_return parameter register saving.
9814         Update sp_offset variable after save_world.
9815         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
9816         darwin-world.asm.
9817         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
9818         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
9819         implies Altivec.
9820
9821 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
9822
9823         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
9824
9825 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
9826
9827         PR other/30182
9828         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
9829         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
9830
9831 2007-01-25  Richard Guenther  <rguenther@suse.de>
9832
9833         * doc/invoke.texi (-Wcoverage-mismatch): Document.
9834         * common.opt (-Wcoverage-mismatch): New warning option.
9835         * coverage.c (get_coverage_counts): Ignore coverage mismatch
9836         if -Wcoverage-mismatch is given.
9837
9838 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
9839
9840         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
9841         (ipcp_driver): Change to static definition.
9842         Add dumping of the ifunctions.
9843         (constant_val_insert): Remove unused parameter. Support for SSA.
9844         (ipcp_propagate_const): Support for SSA.
9845         (ipcp_profile_bb_print): Print only analyzed nodes.
9846         (ipcp_replace_map_create): Remove support for Fortran constant
9847         for now.
9848         * ipa-prop.c (ipa_method_modify_stmt,
9849         ipa_callsite_compute_param): Support for SSA.
9850         * ipa-prop.h (ipcp_driver): Remove declaration.
9851         (IS_VALID_TREE_MAP_INDEX): Add define.
9852
9853 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
9854
9855         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
9856
9857 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9858
9859         PR middle-end/30447
9860         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
9861         constant argument to cabs and do it without checking for
9862         -funsafe-math-optimizations.
9863
9864 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
9865
9866         * c-common.h (RID_FIRST_CXX0X): New.
9867         (RID_LAST_CXX0X): New.
9868         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
9869         by -Wall.
9870         * c.opt (Wc++0x-compat): New.
9871         * doc/invoke.texi (-Wc++0x-compat): Document.
9872
9873 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9874
9875         * builtins.c (fold_builtin_carg): New.
9876         (fold_builtin_1): Use it.
9877
9878 2007-01-24  Jan Hubicka  <jh@suse.cz>
9879
9880         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
9881
9882         * ipa-inline.c (initial_insns, max_insns): Delete.
9883         (compute_max_insns): New function.
9884         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
9885         of insns as base for code growth.
9886         (cgraph_decide_inlining): Make initial_insns local; do not compute
9887         max_insns.
9888         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
9889         * doc/invoke.texi (inline-unit-growth): Update docs.
9890
9891 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
9892
9893         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
9894         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
9895         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
9896         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
9897         for CPUs that have PTA_CX16 set.
9898
9899         PR middle-end/27416
9900         * gimplify.c (omp_check_private): New function.
9901         (gimplify_scan_omp_clauses): Use it for
9902         firstprivate/lastprivate/reduction.
9903
9904         PR middle-end/30494
9905         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
9906         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
9907
9908         PR middle-end/30421
9909         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
9910         If lower_lastprivate_clauses emits some statements, append them
9911         to dlist rather than body_p and to body_p append an initializer.
9912         (lower_omp_for): Adjust caller.
9913
9914 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
9915
9916         * target.h (globalize_decl_name): New.
9917         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
9918         * output.h (default_globalize_decl_name): New.
9919         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
9920         globalize_label.
9921         (globalize_decl): Ditto.
9922         (default_globalize_decl_name): New.
9923         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
9924         (ia64_handle_version_id_attribute): New.
9925         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
9926         (ia64_asm_output_external): Use globalize_decl_name instead
9927         of globalize_label.
9928         * doc/extend.texi (version_id): New pragma.
9929         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
9930
9931 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9932
9933         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
9934         _uleb128_t and _Unwind_SWord with _sleb128_t.
9935         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
9936         uw_frame_state_for, uw_update_context_1): Likewise.
9937         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
9938         * unwind-pe.h (read_uleb128, read_sleb128,
9939         read_encoded_value_with_base): Likewise.
9940         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
9941
9942 2007-01-24  Richard Guenther  <rguenther@suse.de>
9943
9944         * builtins.c (expand_builtin_cexpi): Get the fndecl
9945         for cexp in the correct way.
9946
9947 2007-01-24  Jan Hubicka  <jh@suse.cz>
9948
9949         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
9950
9951 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9952
9953         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
9954         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
9955         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
9956         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
9957         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
9958         __SIZEOF_PTRDIFF_T__.
9959         * doc/cpp.texi: Documentation for the new builtin macros added.
9960
9961 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
9962
9963         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
9964         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
9965         instead of operands[2] to avoid access past the end of array.
9966
9967 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
9968
9969         * reload1.c (emit_reload_insns): Pass the reload register
9970         for a non-spill output reload through forget_old_reloads_1.
9971
9972 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
9973
9974         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
9975         _SOFT_DOUBLE if doubles use software floating-point.
9976         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
9977         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
9978         * config/rs6000/darwin-ldouble.c: Also compile functions for
9979         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
9980         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
9981         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
9982         commented-out long double override.
9983         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
9984         * config/rs6000/eabispe.h: Likewise.
9985         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
9986         long double for non-SPE.
9987         (rs6000_handle_option): Likewise.
9988         (invalid_e500_subreg): Disallow more subregs involding DImode,
9989         DFmode, TImode or TFmode.
9990         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
9991         E500 double.
9992         (legitimate_lo_sum_address_p): Also check for TFmode for E500
9993         double.
9994         (rs6000_legitimize_address): Also handle TFmode for E500 double.
9995         (rs6000_legitimize_reload_address): Also handle TFmode for E500
9996         double.
9997         (rs6000_legitimate_address): Also check for TFmode for E500
9998         double.
9999         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
10000         (spe_build_register_parallel): Handle TFmode and TCmode.
10001         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
10002         double.
10003         (function_arg): Handle TFmode and TCmode for E500 double.
10004         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
10005         in general.
10006         (print_operand): Handle TFmode and TImode for %y.
10007         (rs6000_generate_compare): Handle TFmode comparisons for E500
10008         double.
10009         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
10010         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
10011         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
10012         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
10013         TFmode for E500 double.
10014         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
10015         (floatsidf2): Enable for E500 double.
10016         (movtf_softfloat): Use rs6000_nonimmediate_operand.
10017         (extenddftf2): Change to extenddftf2_fprs.
10018         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
10019         depending on TARGET_E500_DOUBLE.
10020         (extendsftf2): Enable for E500 double.
10021         (trunctfdf2): Enable for E500 double.
10022         (trunctfsf2): Change to trunctfsf2_fprs.
10023         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
10024         depending on TARGET_E500_DOUBLE.
10025         (floatsitf2): Enable for E500 double.
10026         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
10027         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
10028         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
10029         (negtf2): Change to negtf2_internal.
10030         (negtf2): New expander.
10031         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
10032         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
10033         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
10034         (movdi_internal32): Use rs6000_nonimmediate_operand.
10035         (unnamed splitter): Likewise.
10036         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
10037         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
10038         (SPE64TF, DITI): New mode macros.
10039         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
10040         modes.
10041         (frob_tf_ti): New.
10042         (frob_<mode>_di_2): New.
10043         (frob_tf_di_8_2): New.
10044         (frob_di_df): Change to frob_di_<mode>; allow more modes.
10045         (frob_ti_tf): New.
10046         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
10047         more modes.
10048         (frob_ti_<mode>_8_2): New.
10049         (frob_ti_tf_2): New.
10050         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
10051         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
10052         TFmode.
10053         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
10054         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
10055         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
10056         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
10057         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
10058         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
10059         tsttflt_gp): New.
10060
10061 2007-01-23  Ian Lance Taylor  <iant@google.com>
10062
10063         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
10064         insn-*.o first.
10065         (OBJS-archive): Reformat, alphabetize.
10066         (OBJS): Change out_object_file to OBJS-md.
10067
10068 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
10069
10070         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
10071         JUMP_P and CALL_P predicates where applicable.
10072         * config/i386/i386.c: Ditto.
10073         * config/i386/i386.md: Ditto.
10074         * config/i386/mmx.md: Ditto.
10075         * config/i386/predicates.md: Ditto.
10076
10077 2007-01-22  Andreas Schwab  <schwab@suse.de>
10078
10079         * config/m68k/m68k.h: Fix comment.
10080
10081 2007-01-22  Jan Hubicka  <jh@suse.cz>
10082
10083         * passes.c (init_optimization_passes): Do not rerun
10084         pass_early_warn_uninitialized.
10085
10086 2007-01-22  Richard Guenther  <rguenther@suse.de>
10087
10088         PR tree-optimization/30038
10089         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
10090         function.
10091         (execute_cse_sincos_1): Likewise.
10092         (execute_cse_sincos): Likewise.
10093         (gate_cse_sincos): Likewise.
10094         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
10095         the cexpi() canonicalization of sincos().
10096         * tree-pass.h (pass_cse_sincos): Declare.
10097         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
10098
10099 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
10100
10101         PR rtl-optimization/29329
10102         * combine.c (replaced_rhs_insn): Rename to i2mod.
10103         (replaced_rhs_value): Rename to i2mod_new_rhs.
10104         (i2mod_old_rhs): New global variable.
10105         (combine_instructions): Adjust for above change.  Save a copy of
10106         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
10107         note are substituted in the second instruction.
10108         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
10109         ditch the note if it pertains to the second eliminated register
10110         and this register is mentioned in i2mod_old_rhs.
10111
10112         Revert:
10113         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
10114
10115         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
10116         the insn to which the note was originally attached.
10117
10118 2007-01-21  Jan Hubicka  <jh@suse.cz>
10119
10120         * ipa-inline.c (inlining_mode): Comment, move up.
10121         (cgraph_decide_inlining_incrementally): Do not perform inlining
10122         itself; fix handling of flattening of self recursive functions.
10123         (cgraph_find_cycles): Remove.
10124         (cgraph_flatten_node): Remove.
10125         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
10126         (try_inline): New function.
10127         (cgraph_early_inlining): Update call of
10128         cgraph_decide_inlining_incrementally.  Apply inlining here.
10129         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
10130
10131 2007-01-21  Dirk Mueller  <dmueller@suse.de>
10132
10133         PR bootstrap/30511
10134         * tree-vrp.c (check_array_bounds): do not warn
10135         about ADDR_EXPR's of ARRAY_REF's which are immediately
10136         used in binary expressions.
10137
10138 2007-01-21  Ira Rosen  <irar@il.ibm.com>
10139
10140         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
10141         read_write_dep and macros for its access.
10142         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
10143         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
10144         argument, call vect_check_interleaving for every independent pair of
10145         data-refs. Mark loads that access the same memory location as a store
10146         in the loop.
10147         (vect_check_dependences): Remove.
10148         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
10149         call, fix the call to vect_analyze_data_ref_dependence.
10150         (vect_analyze_data_ref_access): For statements that access the same
10151         data-ref, check that they are not stores; for loads, check that there
10152         is no store that access the same location.
10153
10154 2007-01-20  Roger Sayle  <roger@eyesopen.com>
10155             Joseph Myers  <joseph@codesourcery.com>
10156
10157         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
10158         (-fdump-rtl-stack): Likewise.
10159         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
10160         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
10161         (-mpt-fixed): Use @minus{} for minus sign.
10162         (Using Precompiled Headers): Fix under/overfull hbox.
10163
10164 2007-01-20  Jan Hubicka  <jh@suse.cz>
10165
10166         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
10167         place within annotation.
10168
10169 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10170
10171         * pa.c (output_move_double): Change array size of xoperands to 4.
10172
10173 2007-01-20  Jan Hubicka  <jh@suse.cz>
10174
10175         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
10176         as temporary.
10177
10178 2007-01-19  Ian Lance Taylor  <iant@google.com>
10179
10180         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
10181         constant to unsigned HOST_WIDE_INT before negating.
10182
10183 2007-01-19  Ian Lance Taylor  <iant@google.com>
10184
10185         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
10186         to unsigned.
10187         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
10188         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
10189         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
10190         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
10191         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
10192         (realloc_vdef, realloc_vuse): Change second parameter to
10193         unsigned.
10194         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
10195         fields to unsigned.
10196         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
10197         unsigned. Change x and lim locals to unsigned.
10198         (realloc_vdef, realloc_vuse): Change num_elem parameter to
10199         unsigned.
10200         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
10201         (copy_virtual_operands): Change i and n locals to unsigned.
10202
10203 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10204
10205         PR middle-end/29335
10206         * builtins.c (fold_builtin_1): Handle builtin fdim.
10207
10208 2007-01-20  Jan Hubicka  <jh@suse.cz>
10209
10210         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
10211         * tree-ssa-structalias.c (compute_points_to_sets): Do call
10212         init_alias_heapvars.
10213         (init_alias_heapvars): Initialize only when not already initialized.
10214         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
10215
10216 2007-01-19  Roger Sayle  <roger@eyesopen.com>
10217
10218         * common.opt (fsigned-zeros): New command line option.
10219         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
10220         of flag_unsafe_math_optimizations.
10221         * opts.c (set_fast_math_flags): The -ffast-math command line option
10222         implies -fno-signed-zeros.
10223         (fast_math_flags_set_p): Likewise.
10224
10225         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
10226         the documentation of -ffast-math appropriately.  Wrap long lines.
10227
10228 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
10229
10230         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
10231         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
10232
10233 2007-01-19  Tomas Bily  <tbily@suse.cz>
10234
10235         * cgraphunit.c (cgraph_finalize_function): Updating of pid
10236         * tree-profile.c:
10237         (tree_init_ic_make_global_vars): New function
10238         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
10239         (tree_gen_ic_profiler): New function
10240         (tree_gen_ic_func_profiler): New function
10241         (tree_profiling): Added calling of tree_gen_ic_func_profiler
10242         (tree_profile_hooks): Added hook for indirec/virtual calls
10243         * value-prof.c (tree_find_values_to_profile): New case for
10244         indirect calls
10245         (tree_values_to_profile): Call for determining indirect/virtual
10246         counters
10247         (tree_indirect_call_to_profile): New function
10248         (tree_ic_transform): New function
10249         (tree_ic): New function
10250         (find_func_by_pid): New function
10251         (init_pid_map): New function
10252         (tree_value_profile_transformations): Added check for
10253         indirect/virtual call transformation
10254         * value-prof.h (enum hist_type): New counter type for
10255         indirect/virtual calls
10256         (profile_hooks): Added new hook for profiling indirect/virtual
10257         calls
10258         * profile.c (instrument_values): New case for indirect/virtual
10259         call added
10260         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
10261         (GCOV_COUNTER_V_INDIR): New counter type
10262         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
10263         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
10264         call added
10265         * cgraph.c: Definition of cgraph_max_pid
10266         (cgraph_create_node): Default init of pid attribute
10267         * cgraph.h: Declaration of cgraph_max_pid
10268         (struct cgraph_node): Added pid attribute
10269         * libgcov.c (__gcov_indirect_call_profiler): New function
10270         (__gcov_one_value_profiler_body): New function
10271         (__gcov_one_value_profiler): Body was moved to
10272         __gcov_one_value_profiler_body and calls it
10273
10274 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
10275
10276         * doc/gty.texi (Options): Document the mark_hook option to GTY.
10277         * gengtype.c (write_types_data, write_func_for_structure,
10278         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
10279         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
10280         (walk_type, write_func_for_structure): Generate the mark_hook if
10281         needed.
10282
10283 2007-01-19  Jan Hubicka  <jh@suse.cz>
10284
10285         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
10286         'early' argument take inlining mode argument specifying whether to
10287         inline for size/speeed or all functions; add support for flattening;
10288         improve dumpting.
10289         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
10290
10291 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10292
10293         PR c++/17947
10294         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
10295         the name of the declared identifier.
10296
10297 2007-01-19  Dirk Mueller  <dmueller@suse.de>
10298
10299         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
10300         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
10301         duplicate evaluation.
10302
10303 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
10304
10305         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
10306         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
10307         to XFMode, use acosxf2 and truncate result to requested mode.
10308         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
10309         (asin<mode>2): Similarly, with asin expanders.
10310         (*fscalexf4_i387): Rename from *fscalexf4.
10311         (expNcorexf3): New expander.
10312         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
10313         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
10314         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
10315         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
10316         patterns for SSE math.
10317         (exp10<mode>2): Similarly, with exp10 expanders.
10318         (exp2<mode>2): Similarly, with exp2 expanders.
10319         (expm1<mode>2): Similarly, with expm1 expanders.
10320         (ldexp<mode>3): Similarly, with ldexp expanders.
10321         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
10322         Use gen_truncxf<mode>2_i387_noop to truncate result.
10323
10324 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10325
10326         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
10327         for ColdFire targets.
10328
10329 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
10330             Richard Sandiford  <richard@codesourcery.com>
10331
10332         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
10333         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
10334         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
10335         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
10336         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
10337         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
10338
10339 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10340
10341         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
10342         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
10343         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
10344         (*adddi_dilshr32_cf): New pattern.
10345         (adddi3, subdi3): Remove first alternatives.
10346
10347 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10348
10349         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
10350         implemented using move.l, do not use its cc result for floating-point
10351         comparisons.
10352
10353 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10354
10355         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
10356         from accepting 's' constraints if flag_pic.
10357
10358 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10359
10360         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
10361         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
10362         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
10363         condition from TARGET_68881 to TARGET_HARD_FLOAT.
10364
10365 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
10366
10367         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
10368         ColdFire alternatives.
10369         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
10370         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
10371         architectures that support ff1 instruction.
10372
10373 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10374             Julian Brown  <julian@codesourcery.com>
10375
10376         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
10377         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
10378         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
10379         Add commentary.
10380
10381 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10382
10383         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
10384         and return a bool.
10385         (output_move_const_into_data_reg, output_move_simode_const): Delete.
10386         * config/m68k/m68k.c (const_method, const_int_cost): Take a
10387         HOST_WIDE_INT instead of an rtx.
10388         (m68k_rtx_costs): Update call accordingly.
10389         (output_move_const_into_data_reg): Likewise.  Fix formatting.
10390         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
10391         Return a bool.
10392         (output_move_simode_const): Update calls after above changes.
10393         Rework to use automatic variables and predicates like MEM_P.
10394         * config/m68k/m68k.md (pushexthisi_const): Update call to
10395         valid_mov3q_const.
10396
10397 2007-01-19  Dirk Mueller  <dmueller@suse.de>
10398
10399         * tree-ssa-alias.c (perform_var_substitution): Fix typo
10400         in dump_flags test.
10401
10402 2007-01-19  Richard Guenther  <rguenther@suse.de>
10403
10404         * builtins.c (expand_builtin_cexpi): Fall back to expanding
10405         via cexp in case sincos is not available.
10406
10407 2007-01-19  Richard Guenther  <rguenther@suse.de>
10408
10409         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
10410         * defaults.h (TARGET_HAS_SINCOS): Default to off.
10411         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
10412         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
10413         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
10414         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
10415         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
10416         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
10417
10418 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
10419
10420         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
10421         New insn patterns.
10422         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
10423         (atan2xf3): Directly generate RTL pattern.
10424         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
10425         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
10426         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10427         disable patterns for SSE math.
10428         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
10429         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
10430         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10431         disable patterns for SSE math.
10432
10433 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
10434
10435         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
10436
10437 2007-01-18  Roger Sayle  <roger@eyesopen.com>
10438
10439         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
10440         VIEW_CONVERT_EXPR to the same type as it's operand.
10441
10442 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
10443
10444         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
10445         configured for long double 128.
10446
10447 2007-01-18  Mike Stump  <mrs@apple.com>
10448
10449         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
10450         error.
10451
10452 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
10453
10454         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
10455         type correct.
10456
10457 2007-01-18  Jan Hubicka  <jh@suse.cz>
10458
10459         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
10460         greater than NUM_VOP_FREE_BUCKETS.
10461
10462 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
10463
10464         * tree-ssa-structalias.c: Update comments.
10465         (ptabitmap_obstack): Removed.
10466         (pta_obstack): New.
10467         (oldpta_obstack): Ditto.
10468         (stats): Add a few members.
10469         (struct variable_info): Remove node, complex, address_taken, and
10470         indirect_target members. Add oldsolution member.
10471         (new_var_info): Do not initialize removed members.
10472         (constraint_expr_type): Remove INCLUDES.
10473         (constraint_graph): Add size, implicit_preds, rep,
10474         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
10475         (FIRST_REF_NODE): New macro.
10476         (LAST_REF_NODE): Ditto.
10477         (FIRST_ADDR_NODE): Ditto.
10478         (find): New function.
10479         (unite): Ditto.
10480         (dump_constraint): Do not handle INCLUDES.
10481         (insert_into_complex): Do not insert duplicate constraints.
10482         (condense_varmap_nodes): Renamed and rewritten into ...
10483         (merge_node_constraints): This. Also fix bug in handling of
10484         offseted copy constraints.
10485         (clear_edges_for_node): No longer need to deal with preds at all,
10486         or removing associated preds/succs.
10487         (merge_graph_nodes): Deal with indirect_cycles.
10488         Don't deal with predecessors.
10489         (add_implicit_graph_edge): New function.
10490         (add_pred_graph_edge): Ditto.
10491         (add_graph_edge): Don't deal with predecessors.
10492         (build_constraint_graph): Removed.
10493         (build_pred_graph): New function.
10494         (build_succ_graph): Ditto.
10495         (struct scc_info): Removed in_component. Added roots, dfs, and
10496         node_mapping. Remove visited_index, unification_queue.
10497         (scc_visit): Deal with union-find we do now.
10498         Deal with cycles with REF nodes.
10499         (collapse_nodes): Renamed and rewritten to ...
10500         (unify_nodes): This.
10501         (process_unification_queue): Removed.
10502         (topo_visit): Cleanup
10503         (do_da_constraint): Use find.
10504         (do_sd_constraint): Ditto.
10505         (do_ds_constraint): Ditto.
10506         (do_complex_constraint): Ditto.
10507         (init_scc_info): Update for removed and added members.
10508         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
10509         (find_indirect_cycles): This.
10510         (equivalence_class): New variable.
10511         (label_visit): New function.
10512         (perform_variable_substitution): Rewritten.
10513         (free_var_substitution_info): New function.
10514         (find_equivalent_node): Ditto.
10515         (move_complex_constraints): Ditto.
10516         (eliminate_indirect_cycles): Ditto.
10517         (solve_graph): Only propagate changed bits.
10518         Use indirect cycle elimination.
10519         Use find.
10520         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
10521         (tree_id_eq): Renamed to ...
10522         (tree_vi_eq): This. Update for member change
10523         (insert_id_for_tree): Renamed and rewritten to ...
10524         (insert_vi_for_tree): This.
10525         (lookup_id_for_tree): Renamed and rewritten to ...
10526         (lookup_vi_for_tree): This.
10527         (get_id_for_tree): Renamed and rewritten to ...
10528         (get_vi_for_tree): Ditto.
10529         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
10530         (process_constraint): Don't handle INCLUDES.
10531         Remove special ADDRESSOF case.
10532         (find_func_aliases): Rewrite to use vi functions instead of id
10533         ones.
10534         (create_function_info_for): Ditto.
10535         (create_variable_info_for): Ditto.
10536         (intra_create_variable_infos): Ditto.
10537         (merge_smts_into): Ditto.
10538         (find_what_p_points_to): Ditto.
10539         (init_base_vars): Ditto.
10540         (init_alias_vars): Ditto.
10541         (remove_preds_and_fake_succs): New function.
10542         (dump_sa_points_to_info): Dump new stats.
10543         (dump_solution_for_var): Use find.
10544         (set_used_smts): Fix formatting.
10545         (compute_points_to_sets): Updated for new functions.
10546         (ipa_pta_execute): Ditto.
10547
10548 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10549             Richard Sandiford  <richard@codesourcery.com>
10550
10551         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
10552         parallels.
10553         * calls.c (expand_call): If the return value is a PARALLEL,
10554         extract its first member.
10555         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
10556         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
10557         use FUNCTION_EXTRA_EPILOGUE.
10558         (m68k_function_value): Return a PARALLEL if the return value
10559         is of a pointer type.
10560         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
10561         (FUNCTION_EXTRA_EPILOGUE): Remove.
10562         * config/m68k/m68k.md (D0_REG): New constant.
10563
10564 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10565
10566         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
10567         output a NOP for empty epilogues.
10568
10569 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10570
10571         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
10572         before function.  Extend register save check to include all
10573         registers, not just integer ones.
10574
10575 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10576
10577         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
10578         (m68k_use_return_insn): ...this.
10579         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
10580         * config/m68k/m68k.c (use_return_insn): Rename to...
10581         (m68k_use_return_insn): ...this.
10582         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
10583         of USE_RETURN_INSN.
10584
10585 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10586
10587         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
10588         nearest even, fix denormal rounding overflow.
10589
10590 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10591
10592         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
10593         f%$smove and f%$move.
10594         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
10595         (extendsfdf2_cf): Use fdmove instead of f%&move.
10596         (truncdfsf2_cf): Use fsmove instead of f%$smove.
10597         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
10598
10599 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10600
10601         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
10602         GPR<-GPR moves.
10603
10604 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10605
10606         * real.h (real_format): Add a canonical_nan_lsbs_set field.
10607         (coldfire_single_format): Declare.
10608         (coldfire_double_format): Likewise.
10609         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
10610         of qnan_msb_set to determine the lower bits of a canonical
10611         NaN significand.
10612         (encode_ieee_double): Likewise.
10613         (encode_ieee_quad): Likewise.
10614         (ieee_single_format): Initialize canonical_nan_lsbs_set.
10615         (mips_single_format): Likewise.
10616         (ieee_double_format): Likewise.
10617         (mips_double_format): Likewise.
10618         (ieee_extended_motorola_format): Likewise.
10619         (ieee_extended_intel_96_format): Likewise.
10620         (ieee_extended_intel_128_format): Likewise.
10621         (ieee_extended_intel_96_round_53_format): Likewise.
10622         (ibm_extended_format): Likewise.
10623         (mips_extended_format): Likewise.
10624         (ieee_quad_format): Likewise.
10625         (mips_quad_format): Likewise.
10626         (vax_f_format): Likewise.
10627         (vax_d_format): Likewise.
10628         (vax_g_format): Likewise.
10629         (i370_single_format): Likewise.
10630         (i370_double_format): Likewise.
10631         (decimal_single_format): Likewise.
10632         (decimal_double_format): Likewise.
10633         (decimal_quad_format): Likewise.
10634         (c4x_single_format): Likewise.
10635         (c4x_extended_format): Likewise.
10636         (real_internal_format): Likewise.
10637         (coldfire_single_format): New real_format.
10638         (coldfire_double_format): Likewise.
10639         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
10640         canonical_nan_lsbs_set.
10641         (pdp11_d_format): Likewise.
10642         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
10643         if TARGET_COLDFIRE_CPU.
10644
10645 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10646
10647         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
10648         (output_call, m68k_legitimize_call_address): Declare.
10649         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
10650         parenthesees.  Add support for a 'W' constraint.
10651         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
10652         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
10653         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
10654         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
10655         variables.
10656         (override_options): Initialize them.  Do not set flag_no_function_cse
10657         for TARGET_ID_SHARED_LIBRARY.
10658         (m68k_output_pic_call): Delete.
10659         (m68k_legitimize_call_address): New function.
10660         (print_operand): Remove the %o prefix.  Handle the %p prefix.
10661         (output_call): New function.
10662         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
10663         target address from the GOT if symbolic jumps are not allowed.
10664         * config/m68k/m68k.md (call, general_operand): Do not set
10665         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
10666         Merge separate flag_pic and !flag_pic define_insns into...
10667         (*call, *call_value): ...these new patterns.  Match the address
10668         rather than the containing MEM and require it to be a call_operand.
10669         Use output_call to generate the asm template.
10670         * config/m68k/predicates.md (const_call_operand): New predicate.
10671         (call_operand): Likewise.
10672
10673 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10674
10675         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
10676         (STACK_GROWS_DOWNWARD): Define to 1.
10677         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
10678         comments, emphasizing that these values are only defaults.
10679         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
10680         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
10681
10682 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10683
10684         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
10685
10686 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10687             Richard Sandiford  <richard@codesourcery.com>
10688
10689         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
10690         (FP_REGNO_P): New macros.
10691         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
10692         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
10693         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
10694         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
10695
10696 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10697
10698         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10699         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
10700         to $tmake_file.
10701         * config/m68k/t-floatlib: New file, extracting common code from...
10702         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
10703         * config/m68k/t-uclinux: Here.
10704         * config/m68k/fpgnulib.c: Do not compile extendeed precision
10705         routines on ColdFire targets.
10706
10707 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10708
10709         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10710         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
10711         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
10712         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
10713         explicitly set MOTOROLA to 1.
10714         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
10715
10716 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10717             Nathan Sidwell  <nathan@codesourcery.com>
10718
10719         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
10720         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
10721         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
10722         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
10723         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
10724         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
10725         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
10726         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
10727         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
10728         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
10729         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
10730         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
10731         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
10732         (DBX_REGISTER_NUMBER): Delete.
10733         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
10734         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
10735         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
10736
10737 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10738
10739         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
10740         * config/flat.h: New file.
10741         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
10742         OBJECT_FORMAT_FLAT.
10743         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
10744         indirect references for -msep-data or -mid-shared-library.
10745         Do not use PC-relative code addresses either.
10746         * config/m68k/m68k.c (override_options): Restrict -fPIC error
10747         to -mpcrel.
10748         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
10749         for shared libraries and crt1.o for executables.  Use crti.o and
10750         crtbegin.o.
10751         (ENDFILE_SPEC): Use crtend.o and crtn.o.
10752         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
10753         Do not add -elf2flt or -shared-lib-id options here.
10754         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
10755         Pass -shared-lib-id if -mid-shared-library, taking the library
10756         identifier from -mshared-library-id if given, otherwise
10757         defaulting to 0.
10758         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
10759         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
10760         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
10761         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
10762         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
10763         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
10764         and crtend.o.
10765         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
10766         jump sequence for ISA A and ISA A+.
10767         (PICJUMP): Likewise.
10768
10769 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10770
10771         * config.gcc (m68k-*-uclinux*): Base the port on the common
10772         and m68k GNU/Linux files rather than on the generic ELF ones.
10773         * config/m68k/uclinux.h (TARGET_VERSION): Override.
10774         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
10775
10776 2007-01-18  Julian Brown  <julian@codesourcery.com>
10777             Richard Sandiford  <richard@codesourcery.com>
10778
10779         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
10780         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
10781         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
10782         before redefining.
10783         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
10784         80 unconditionally.
10785         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
10786
10787 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10788
10789         * doc/install.texi: Document m68k-uclinuxoldabi.
10790         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
10791         * config/m68k/uclinux-oldabi.h: New file, copied from
10792         config/m68k/uclinux.h.
10793
10794 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
10795
10796         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
10797         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
10798         (m32r_compute_frame_size): Use unsigned for regno.
10799         (m32r_reload_lr): Use gen_frame_mem.
10800         (pop): New.
10801         (m32r_output_function_epilogue): Don't output the function epilogue
10802         textually here.
10803         (m32r_expand_epilogue): New.
10804         (direct_return): Return false if the function has the interrupt
10805         attribute.
10806         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
10807         * config/m32r/m32r.md (epilogue): New expander.
10808         (return_lr, return_rte): New insns.
10809         (return): Make it expander.
10810         (return_normal): New expander.
10811
10812 2007-01-18  Josh Conner  <jconner@apple.com>
10813
10814         PR target/30485
10815         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
10816         support for UNLE, UNLT, UNGE, and UNGT.
10817
10818 2007-01-18  Jan Hubicka  <jh@suse.cz>
10819
10820         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
10821         * tree-tailcall (add_virtual_phis): Likewise.
10822         (optimize_tail_call): Return TODOs.
10823         (execute_tail_calls): Return TODOs.
10824         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
10825         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
10826         changed.
10827         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
10828         Cleanup cfg using TODO.
10829         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
10830         * passes.c (execute_function_todo): When cleanup did something, remove
10831         unused locals.
10832         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
10833         (make_edges): Don't cleanup_cfg.
10834
10835 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
10836
10837         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
10838         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
10839         operate on the top of stack.
10840         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
10841         register handling of instructions that output to the second
10842         stack slot.
10843         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
10844         (move_for_stack_reg): Special-case check for dead destination
10845         stack slot for constant load of 1.0 inside UNSPEC_TAN.
10846
10847         * config/i386/i386.md (UNSPEC_TAN): New constant.
10848         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
10849         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
10850         to correctly model move of constant 1.0 to top stack slot.
10851         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
10852         (unnamed peephole2 pattern): Remove corresponding peephole2
10853         pattern that optimizes tan insn and loading of constant 1.0.
10854         (tanxf2): Use fptanxf4_i387.
10855         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
10856         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
10857         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10858         disable patterns for SSE math.
10859         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
10860         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
10861
10862 2007-01-18  Dirk Mueller  <dmueller@suse.de>
10863             Richard Guenther <rguenther@suse.de>
10864
10865         PR diagnostic/8268
10866         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
10867         * common.opt (Warray-bounds): Add new warning option.
10868         * c-opts.c (c_common_handle_option): Define -Warray-bounds
10869         if -Wall is given.
10870         * Makefile.in: make tree-vrp.o depend on toplev.h
10871         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
10872         is enabled.
10873         (check_array_refs, check_array_bounds, check_array_ref): New.
10874
10875 2007-01-18  Jan Hubicka  <jh@suse.cz>
10876
10877         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
10878         (execute_ssa_ccp): Return flags conditionally.
10879         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
10880         changed.
10881         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
10882
10883 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
10884
10885         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
10886         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
10887
10888         * Makefile.c (GTFILES): Add cfglayout.h.
10889         * gengtype.c (open_base_files): Likewise.
10890         * cfglayout.c (cfg_layout_function_footer,
10891         cfg_layout_function_header) Reindent to make gengtype happy.
10892         * cfglayout.h (cfg_layout_function_footer,
10893         cfg_layout_function_header): Add GTY(()) marker.
10894
10895         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
10896
10897 2007-01-18  Ben Elliston  <bje@au.ibm.com>
10898
10899         * genautomata.c (write_automata): Include xstrerror output in the
10900         error message if writing the DFA description file fails.
10901
10902 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
10903
10904         * config/mips/mips-protos.h (mips_output_external): Make it
10905         return void.
10906         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
10907         * config/mips/mips.c (irix_output_external_libcall): Likewise.
10908         (extern_list): Likewise.
10909         (extern_head): Likewise.
10910         (TARGET_ASM_FILE_END): Likewise.
10911         (mips_file_end): Likewise.
10912         (mips_output_external): Rewritten.
10913
10914 2007-01-18  Ben Elliston  <bje@au.ibm.com>
10915
10916         * genpreds.c (write_insn_preds_c): Only write out the function
10917         body for regclass_for_constraint if we have register constraints.
10918
10919 2007-01-17  Tom Tromey  <tromey@redhat.com>
10920
10921         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
10922         * doc/install.texi (Testing): Use sourceware.org.
10923         (Binaries): Likewise.
10924         (Specific): Likewise.
10925         * doc/contrib.texi (Contributors): Use sourceware.org.
10926
10927 2007-01-17  Anatoly Sokolov <aesok@post.ru>
10928
10929         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
10930         (AVR_ENHANCED): Rename to ...
10931         (AVR_HAVE_MUL): ... new.
10932         (avr_enhanced_p): Rename to ...
10933         (avr_have_mul_p): ... new.
10934         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
10935         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
10936         * config/avr/avr.c (avr_enhanced_p): Rename to ...
10937         (avr_have_mul_p): ... new.
10938         (base_arch_s): Rename 'enhanced' to 'have_mul'.
10939         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
10940         'avr_enhanced_p' and 'enhanced'.
10941         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
10942         AVR_HAVE_MUL instead of AVR_ENHANCED.
10943         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
10944         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
10945         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
10946         instead of AVR_ENHANCED.
10947         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
10948         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
10949         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
10950
10951 2007-01-17  Ian Lance Taylor  <iant@google.com>
10952
10953         * vec.h (VEC_reserve_exact): Define.
10954         (vec_gc_p_reserve_exact): Declare.
10955         (vec_gc_o_reserve_exact): Declare.
10956         (vec_heap_p_reserve_exact): Declare.
10957         (vec_heap_o_reserve_exact): Declare.
10958         (VEC_OP (T,A,reserve_exact)): New static inline function, three
10959         versions.
10960         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
10961         negative parameter.
10962         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
10963         (VEC_OP (T,A,copy)) [all versions]: Likewise.
10964         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
10965         * vec.c (calculate_allocation): Add exact parameter.  Change all
10966         callers.
10967         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
10968         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
10969         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
10970         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
10971         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
10972         (vec_heap_p_reserve_exact): New function.
10973         (vec_heap_o_reserve_exact): New function.
10974
10975 2007-01-17  Jan Hubicka  <jh@suse.cz>
10976
10977         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
10978
10979 2007-01-17  Eric Christopher  <echristo@apple.com>
10980
10981         * config.gcc: Support core2 processor.
10982
10983 2007-01-16  Jan Hubicka  <jh@suse.cz>
10984
10985         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
10986         the names, just unlink the chain so we don't crash on dangling pointers
10987         to dead SSA names.
10988
10989 2007-01-16  Jan Hubicka  <jh@suse.cz>
10990
10991         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
10992         * tree-pass.h: Reorder to make IPA passes appear toegher.
10993         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
10994         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
10995         parameters, do not call early inliner.
10996         * ipa-inline.c: Update comments.  Include tree-flow.h
10997         (cgraph_decide_inlining): Do not compute inlining parameters.
10998         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
10999         be called with function context set up.
11000         (pass_ipa_inline): Remove unreachable functions before pass.
11001         (cgraph_early_inlining): Simplify assuming to be called from the
11002         PM as local pass.
11003         (pass_early_inline): New pass.
11004         (cgraph_gate_ipa_early_inlining): New gate.
11005         (pass_ipa_early_inline): Turn into simple wrapper.
11006         (compute_inline_parameters): New function.
11007         (gate_inline_passes): New gate.
11008         (pass_inline_parameters): New pass.
11009         (apply_inline): Move here from tree-optimize.c
11010         (pass_apply_inline): New pass.
11011         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
11012         transforming.
11013         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
11014         doing them by hand.
11015         (tree_function_versioning): Do not allocate dummy struct function.
11016         * tree-inline.h (optimize_inline_calls): Update prototype.
11017         * tree-optimize.c (execute_fixup_cfg): Export.
11018         (pass_fixup_cfg): Remove
11019         (tree_rest_of_compilation): Do not apply inlines.
11020         * tree-flow.h (execute_fixup_cfg): Declare.
11021         * Makefile.in (gt-passes.c): New.
11022         * passes.c: Include gt-passes.h
11023         (init_optimization_passes): New passes.
11024         (nnodes, order): New static vars.
11025         (do_per_function_toporder): New function.
11026         (execute_one_pass): Dump current pass here.
11027         (execute_ipa_pass_list): Don't dump current pass here.
11028
11029 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
11030
11031         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
11032         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
11033
11034 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
11035
11036         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
11037         (strong_alias): Define.
11038         (__gcc_qmul): Provide non-FMA for soft-float.
11039         (__gcc_qdiv): Same.
11040         (__gcc_qneg): New.
11041         (__gcc_qeq): New.
11042         (__gcc_qle): New.
11043         (__gcc_qge): New.
11044         (__gcc_qunord): New.
11045         (__gcc_stoq): New.
11046         (__gcc_dtoq): New.
11047         (__gcc_qtos): New.
11048         (__gcc_qtod): New.
11049         (__gcc_qtoi): New.
11050         (__gcc_qtou): New.
11051         (__gcc_itoq): New.
11052         (__gcc_utoq): New.
11053         (fmsub): New.
11054         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
11055         soft-float functions.
11056         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
11057         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
11058         about long double soft float.
11059
11060 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
11061             Tehila Meyzels  <tehila@il.ibm.com>
11062
11063         * tree-vectorizer.h (is_pattern_stmt_p): New.
11064         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
11065         formatting (tabs instead of spaces). Cleanup and clarify setting
11066         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
11067         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
11068         (vectorizable_type_demotion): Check that types are integral.
11069         (vectorizable_type_promotion): Likewise.
11070         (vectorizable_store): Fix typo.  Eliminate new-line at end of
11071         comments.
11072
11073 2007-01-16  Jan Hubicka  <jh@suse.cz>
11074
11075         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
11076         cgraph edges too.
11077
11078 2007-01-15  Eric Christopher  <echristo@apple.com>
11079
11080         * ifcvt.c: Include vec.h, vecprim.h.
11081         (check_cond_move_block): New argument regs.
11082         Reorganize. Add registers used to regs.
11083         (cond_move_process_if_block): Use regs set above as
11084         loop bounds.
11085
11086 2007-01-15  Eric Christopher  <echristo@apple.com>
11087
11088         * config/darwin.h: Update copyright.
11089         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
11090         (LINK_COMMAND_SPEC): Add -u.
11091         (LINK_SPEC): Fix umbrella for above.
11092
11093 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
11094
11095         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
11096         glibc CVS.
11097
11098 2007-01-15  Tom Tromey  <tromey@redhat.com>
11099
11100         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
11101         * doc/install.texi (Testing): Don't mention jacks.
11102         (Configuration): Document --enable-java-maintainer-mode.  Move
11103         --with-java-home to libgcj-specific section.  Document
11104         --with-ecj-jar.
11105         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
11106
11107 2007-01-15  Jan Hubicka  <jh@suse.cz>
11108
11109         * tree-ssa-dce.c (DCE_TODOs): New.
11110         (propagate_necessity): Return if something changed.
11111         (eliminate_unnecessary_stmts): Likewise.
11112         (perform_tree_ssa_dce): Return TODO flags when needed.
11113         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
11114
11115 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
11116
11117         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
11118         (fyl2x_extend<mode>xf3_i387): New insn pattern.
11119         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
11120         patterns using X87MODEF12 mode macro.  Extend operand 1
11121         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
11122         (log10<mode>2): Ditto.
11123         (log2<mode>2): Ditto.
11124         (log1p<mode>2): Ditto.
11125         (logb<mode>2): Ditto.
11126         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
11127         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
11128         (*fxtractxf3_i387): Rename from *fxtractxf3.
11129         (fxtract_extend<mode>xf3_i387): New insn pattern.
11130         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
11131         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
11132         and gen_fyl2xxf3_i387().
11133
11134 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
11135
11136         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
11137         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
11138         get_loop_exit_edges.  Changed return type to bool.
11139         * cfgloop.h (fix_loop_placement): Declaration removed.
11140
11141 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
11142
11143         * param.h (MIN_VECT_LOOP_BOUND): New.
11144         * params.def (MIN_VECT_LOOP_BOUND): New.
11145         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
11146         argument - minimum threshold for number of iterations.
11147         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
11148         argument to declaration.
11149         * tree-vect-analyze.c (vect_analyze_operations): Check value of
11150         MIN_VECT_LOOP_BOUND.
11151         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
11152         slpeel_tree_peel_loop_to_edge with additional argument.
11153         (vect_do_peeling_for_alignment): Likewise.
11154         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
11155
11156 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
11157
11158         PR target/30413
11159         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
11160         operands of size 1.
11161
11162 2007-01-14  Jan Hubicka  <jh@suse.cz>
11163
11164         * tree-dfa.c (remove_referenced_var): New function.
11165         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
11166         prune referenced vars list too.
11167         * tree-flow.h (remove_referenced_var): Declare.
11168
11169 2007-01-14  Jan Hubicka  <jh@suse.cz>
11170
11171         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
11172         separately.
11173         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
11174         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
11175         * except.h (verify_eh_throw_table_statements): Kill prototype.
11176         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
11177         into call exrepssions.
11178         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
11179         eh trhow verifier.
11180         * tree-cfg.c: Include pointer-set.h.
11181         (verify_node_sharing): Work on pointer set.
11182         (verify_eh_throw_stmt_node): New.
11183         (verify_stmts): Use pointers sets, verify throw_stmt.
11184
11185 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
11186
11187         * ipa-reference.c (analyze_function): Consider also addresses taken
11188         in phi nodes.
11189
11190 2007-01-12  Roger Sayle  <roger@eyesopen.com>
11191
11192         * c-typeck.c (null_pointer_constant_p): Replace use of
11193         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11194         (build_c_cast): Likewise.
11195
11196 2007-01-12  Roger Sayle  <roger@eyesopen.com>
11197
11198         * tree.h (force_fit_type_double): Remove unused final argument.
11199         * c-common.c (constant_expression_warning): Replace use of
11200         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11201         (convert_and_check): Likewise.
11202         (shorten_compare): Update call to force_fit_type_double.
11203         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
11204         * convert.c (convert_to_pointer): Update call to
11205         force_fit_type_double.
11206         * fold-const.c (force_fit_type_double): Remove overflowed_const
11207         argument.
11208         (int_const_binop, fold_convert_const_int_from_int,
11209         fold_convert_const_int_from_real, fold_div_compare,
11210         fold_sign_changed_comparison, fold_unary, fold_negate_const,
11211         fold_abs_const, fold_not_const): Remove the final argument from
11212         calls to force_fit_type_double.
11213
11214 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11215
11216         * configure.ac: Set insn to "nop" for spu-*-* also.
11217         * configure: Regenerate.
11218
11219 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
11220
11221         * builtins.def : Add BUILT_IN_FREE.
11222
11223 2007-01-12  Jan Hubicka  <jh@suse.cz>
11224
11225         PR tree-optimization/30443
11226         * tree-inline.c (tree_function_versioning): Do not optimize when
11227         cloning for inlining.
11228
11229 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
11230
11231         * doc/loop.texi: Document recording of loop exits.
11232         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
11233         (update_single_exits_after_duplication,
11234         update_single_exit_for_duplicated_loop,
11235         update_single_exit_for_duplicated_loops): Removed.
11236         (duplicate_loop_to_header_edge): Do not call
11237         update_single_exits_after_duplication and
11238         update_single_exit_for_duplicated_loops.
11239         (loop_version): Do not update single_exit information.
11240         (fix_loop_structure): Use record_loop_exits instead of
11241         mark_single_exit_loops.
11242         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
11243         the lists of loop exits.
11244         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
11245         split_edge, merge_blocks): Update the lists of loop exits.
11246         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
11247         loop_optimizer_init.
11248         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
11249         of mark_single_exit_loops.
11250         (loop_optimizer_finalize): Call release_recorded_exits.
11251         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
11252         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
11253         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
11254         update single exit information.
11255         * lambda-code.c (perfect_nestify): Ditto.
11256         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
11257         (mark_single_exit_loops): Removed.
11258         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
11259         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
11260         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
11261         functions.
11262         (get_loop_exit_edges, single_exit): Use recorded exit lists.
11263         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
11264         (verify_loop_structure): Verify consistency of the exit lists.
11265         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
11266         (set_single_exit): Removed.
11267         * cfgloop.h (struct loop_exit): New function.
11268         (struct loop): single_exit_ field replaced by exits field.
11269         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
11270         (struct loops): Added exits hash.
11271         (mark_single_exit_loops, set_single_exit): Declaration removed.
11272         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
11273
11274 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11275
11276         * doc/invoke.texi: Avoid use of @headitem.
11277
11278 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11279
11280         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
11281
11282 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11283
11284         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
11285         list of targets.
11286
11287 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11288             Richard Sandiford  <richard@codesourcery.com>
11289
11290         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
11291         * config/m68k/m68k.opt: Resort options.
11292         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
11293
11294 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11295             Richard Sandiford  <richard@codesourcery.com>
11296
11297         * doc/invoke.texi: Document the macros that are defined by
11298         m68k's -mtune and -mhard-float options.
11299         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
11300         (m68k_cpp_cpu_family): Likewise.
11301         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
11302         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
11303         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
11304         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
11305         (m68k_cpp_cpu_family): Likewise.
11306
11307 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11308
11309         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
11310         macros besides mc68000 as tuning macros.  Use a switch statement
11311         to set them and mcpu32.
11312
11313 2007-01-12  Julian Brown  <julian@codesourcery.com>
11314
11315         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
11316         (TARGET_68040_ONLY): Rename to...
11317         (TARGET_68040): ...this.
11318         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
11319         * config/m68k/m68k.md: Likewise.
11320
11321 2007-01-12  Julian Brown  <julian@codesourcery.com>
11322             Nathan Sidwell  <nathan@codesourcery.com>
11323             Richard Sandiford  <richard@codesourcery.com>
11324
11325         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
11326         the -mcpu= argument associated with the --with-cpu setting.
11327         Define M68K_DEFAULT_TUNE to the default -mtune= option,
11328         if different from the one implied by the -mcpu setting.
11329         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
11330         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
11331         * doc/invoke.texi: Mention ColdFire in the introduction to the
11332         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
11333         -mno-div and -mhard-float options.  Make -m68881 a synonym for
11334         -mhard-float.  Document the previously-undocumented -m5206e,
11335         -m528x, -m5307 and -m5407 options.  Tweak the existing option
11336         documentation for consistency.
11337         * doc/install.texi: Mention new --with-cpu arguments.
11338         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
11339         default CPU if neither -mcpu nor -march are specified.
11340         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
11341         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
11342         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
11343         using m68k_tune to decide between families that implement the
11344         same ISA.  Use m68k_tune to set __mcfv4e__.
11345         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
11346         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
11347         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
11348         (FL_ISA_C, FL_ISA_MMU): New macros.
11349         (MASK_COLDFIRE): Delete.
11350         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
11351         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
11352         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
11353         (TARGET_HARD_FLOAT): Do not define here.
11354         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
11355         (TUNE_68000): New macro.
11356         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
11357         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
11358         (TUNE_CFV2): Redefine in terms of m68k_tune.
11359         (uarch_type, target_device, fpu_type): New enums.
11360         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
11361         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
11362         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
11363         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
11364         (FL_FOR_isa_c): New macros.
11365         (m68k_isa): New enum.
11366         (m68k_target_selection): New structure.
11367         (all_devices, all_isas, all_microarchs): New tables.
11368         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
11369         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
11370         (MASK_ALL_CPU_BITS): Delete.
11371         (m68k_find_selection): New function.
11372         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
11373         Map the legacy target options to a combination of the new ones.
11374         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
11375         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
11376         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
11377         settings.
11378         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
11379         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
11380         properties.
11381         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
11382         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
11383         * config/m68k/m68k-devices.def: New file.
11384
11385 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11386             Nathan Sidwell  <nathan@codesourcery.com>
11387
11388         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
11389         (SUBTARGET_EXTRA_SPECS): New macros.
11390         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
11391         use %(asm_cpu_spec) instead.
11392         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
11393         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
11394         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
11395         (EXTRA_SPECS): Rename to...
11396         (SUBTARGET_EXTRA_SPECS): ...this.
11397
11398 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11399             Richard Sandiford  <richard@codesourcery.com>
11400             Julian Brown  <julian@codesourcery.com>
11401
11402         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
11403         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
11404         to the configuration's default CPU.
11405         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
11406         Remove default masks.
11407         (m680[012]0-*-*): Set the default with_cpu to the first part of
11408         the target name.
11409         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
11410         (m68k*-*-linux): Extend the --with-cpu handling to...
11411         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
11412         and m68010.  Don't set target_cpu_default2.
11413         * doc/install.texi: Document --with-cpu for m68k.
11414         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
11415         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
11416         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
11417         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
11418         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
11419         (ASM_SPEC): Remove use of %(asm_cpu_default).
11420         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
11421         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
11422         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
11423         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
11424         __HAVE_FPU__ if TARGET_HARD_FLOAT.
11425         (TARGET_DEFAULT): Delete.
11426         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
11427         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
11428         (CPP_CPU_SPEC): Delete.
11429         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
11430         the appropriate string.
11431         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
11432         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
11433         (ASM_SPEC): Don't use %(asm_default_spec).
11434         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11435         TARGET_DEFAULT and add MASK_68881.
11436         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
11437
11438 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11439
11440         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
11441         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
11442         MASK_68010 alongside MASK_68020.
11443         * doc/invoke.texi: Document -m68010.
11444         * config/m68k/m68k.opt (m68010): New.
11445         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
11446         if TUNE_68010.
11447         (TUNE_68010): New macro.
11448         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
11449         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
11450         (M68K_CPU_m68332): Add MASK_68010.
11451         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
11452         fallback definition.
11453         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
11454         defines.
11455         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
11456         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
11457         to all entries that use MASK_68020.
11458         (output_move_simode_const, output_move_himode, output_move_qimode)
11459         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
11460         instead of TARGET_68020 to select clr behavior.  Remove comment
11461         about there being no TARGET_68010.
11462         * config/m68k/m68k.md: Likewise throughout.
11463
11464 2007-01-12  Julian Brown  <julian@codesourcery.com>
11465
11466         * config/m68k/m68k.h (TARGET_ISAB): New macro.
11467         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
11468         * config/m68k/m68k.md: Likewise.
11469
11470 2007-01-12  Julian Brown  <julian@codesourcery.com>
11471
11472         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
11473         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
11474
11475 2007-01-12  Julian Brown  <julian@codesourcery.com>
11476
11477         * config/m68k/m68k.h (TUNE_68040_60): New macro.
11478         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
11479         * config/m68k/m68k.md: Likewise.
11480
11481 2007-01-12  Julian Brown  <julian@codesourcery.com>
11482             Richard Sandiford  <richard@codesourcery.com>
11483
11484         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
11485         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
11486         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
11487         TARGET_CPU32.
11488         (TARGET_CPU32): Rename to...
11489         (TUNE_CPU32): ...this.
11490         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
11491         (TUNE_CFV2): New macros.
11492         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
11493         remove conditions that are implied by TARGET_68020.
11494         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
11495         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
11496         (m68k_output_function_epilogue): Likewise.
11497         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
11498         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
11499         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
11500         non-68000 timings.  Refactor multiplication and division costs.
11501         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
11502         TUNE_CPU32 instead of TARGET_CPU32.
11503         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
11504         and TUNE_68060 instead of TARGET_68060.
11505         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
11506         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
11507         TARGET_CPU32.
11508         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
11509         && !TARGET_COLDFIRE" to choose between moveq and clr.
11510         Likewise in the unnamed movsf pattern.
11511         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
11512         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
11513         ashiftrt pattern.
11514
11515 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11516
11517         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
11518         of tabbing before backslashes.
11519
11520 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11521
11522         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
11523         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
11524         (ASM_OUTPUT_INTERNAL_LABEL): Define.
11525
11526 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
11527
11528         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
11529         find_interesting_uses_cond.
11530         (find_interesting_uses_cond): Use extract_cond_operands.
11531         (rewrite_use_compare): Use extract_cond_operands and
11532         force_gimple_operand_bsi.  Do not call update_stmt.
11533         (determine_use_iv_cost_condition): Use extract_cond_operands.
11534         Return cheaper of using original bound and changing the exit bound.
11535
11536 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
11537
11538         PR tree-optimization/29516
11539         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
11540         most_expensive_mult_to_index, addr_to_parts,
11541         create_mem_ref, maybe_fold_tmr): Make the type of
11542         fields of TARGET_MEM_REF sizetype.
11543         (move_fixed_address_to_symbol, move_pointer_to_base):
11544         New functions.
11545         * tree.def (TARGET_MEM_REF): Add comment on types of
11546         the operands.
11547
11548 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
11549
11550         * c-common.c (vector_types_convertible_p): Treat opaque types as
11551         always convertible if they have the same size, but not otherwise.
11552
11553 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
11554
11555         * ifcvt.c (struct noce_if_info): Add comments to the fields.
11556         Remove the b_unconditional field.
11557         (noce_try_sign_mask): Do not look at b_unconditional.
11558         (noce_process_if_block): Do not use merge_if_blocks.  Update
11559         the CFG here.  Do not set b_unconditional.
11560         (cond_move_process_if_block): Likewise.
11561         (find_cond_trap): Likewise.
11562         (check_cond_move_block): Require simple jump insns at the end
11563         of the basic block.
11564
11565 2007-01-11  Jan Hubicka  <jh@suse.cz>
11566
11567         PR tree-optimization/1046
11568         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
11569         when alias info is not ready.
11570         (pass_tail_recursion): Do not require aliasing.
11571         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
11572         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
11573         * tree-ssa-copy.c (pass_copy_prop): Likewise.
11574         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
11575         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
11576         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
11577         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
11578         before inlining.
11579         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
11580         When aliasing is not build, mark statement as volatile.
11581
11582 2007-01-11  Tom Tromey  <tromey@redhat.com>
11583
11584         PR preprocessor/15185, PR preprocessor/20989:
11585         * doc/cppopts.texi <-MT>: Update description of algorithm for
11586         computing default target.
11587         <-M, -MD>: Reword "basename" text.
11588
11589 2007-01-11  Roger Sayle  <roger@eyesopen.com>
11590
11591         * builtins.c (expand_builtin_pow, expand_builtin_powi,
11592         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
11593         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
11594         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
11595         fold_builtin_bswap, real_constp, fold_builtin_pow,
11596         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
11597         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
11598         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11599         * convert.c (convert_to_pointer): Likewise.
11600         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
11601         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
11602         const_binop, fold_convert_const_int_from_int,
11603         fold_convert_const_int_from_real,
11604         fold_convert_const_real_from_real, sign_bit_p,
11605         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
11606         fold_sign_changed_comparison, fold_unary, fold_comparison,
11607         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
11608         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
11609         * print-tree.c (print_node_brief, print_node): Likewise.
11610         * stor-layout.c (place_field, layout_type): Likewise.
11611         * tree-chrec.c (keep_cast): Likewise.
11612         * tree.c (build_vector, build_real, build_real_from_int_cst,
11613         build_complex): Likewise.
11614
11615 2007-01-11  Roger Sayle  <roger@eyesopen.com>
11616
11617         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
11618         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
11619
11620 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
11621
11622         * configure.ac (strict1_warn): Rename to strict_warn.
11623         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
11624         cc_set_by_configure, quoted_cc_set_by_configure,
11625         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
11626         all_boot_languages, all_stagestuff): Remove.
11627         (target_list): Remove bootstrap targets.
11628         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
11629         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
11630         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
11631         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
11632         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
11633         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
11634         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
11635         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
11636         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
11637         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
11638         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
11639         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
11640         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
11641         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
11642         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
11643         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
11644         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
11645         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
11646         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
11647         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
11648         (mostlyclean): Adjust.
11649         (clean, distclean): Don't mention bootstrap stuff.
11650         * configure: Regenerate.
11651         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
11652         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
11653         treelang/config-lang.in (stagestuff): Remove.
11654         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
11655         stageprofile, stagefeedback, stagestuff): Remove mention.
11656
11657 2007-01-11  Nick Clifton  <nickc@redhat.com>
11658
11659         * config/mcore/predicates.md (mcore_general_movesrc_operand):
11660         Accept CONSTs.
11661         (mcore_general_movdst_operand): Do not accept CONST_INTs.
11662         (mcore_arith_K_S_operand): Run the test for the S constraint not
11663         the test for the M constraint.
11664         (mcore_addsub_operand): Do not accept integer values that are
11665         larger than 32 bits.
11666         * config/mcore/mcore.md: Remove unused constraints from split.
11667         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
11668         (addsi3): Likewise.
11669         (allocate_stack): Likewise.
11670         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
11671         operands to 32 bits.
11672         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
11673         INTVAL.
11674         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
11675         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
11676         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
11677         mcore_output_bclri, mcore_output_andn, output_inline_const,
11678         mcore_output_move, mcore_output_movedouble): Likewise.
11679         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
11680         (output_inline_const): Likewise.
11681         (output_inline_const): Fix format strings used in sprintf
11682         statements.
11683         * config/mcore/mcore-protos.h: Update prototypes for changed
11684         functions in mcore.c.
11685         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
11686         HOST_WIDE_INT and not int.
11687         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
11688         CONST_OK_FOR_N): Likewise.
11689         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
11690         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
11691         an INTVAL.
11692
11693 2007-01-10  Jan Hubicka  <jh@suse.cz>
11694
11695         * tree-vrp.c (remove_range_assertions): Release defs.
11696         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
11697         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
11698
11699 2007-01-10  Paul Brook  <paul@codesourcery.com>
11700
11701         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
11702         * config/arm/arm.md (mulsi3subsi): New insn.
11703
11704 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
11705
11706         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
11707         (tree_transform_and_unroll_loop): New.
11708         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
11709         Declare.
11710
11711 2007-01-10  Robert Kennedy <jimbob@google.com>
11712
11713         * fold-const.c (fold_comparison): Fold comparisons like (x *
11714         1000 < 0) to (x < 0).
11715
11716 2007-01-10  Ian Lance Taylor  <iant@google.com>
11717
11718         * tree-pretty-print.c (dump_generic_node): Print parentheses when
11719         operands have the same priority.
11720
11721 2007-01-10  Tom Tromey  <tromey@redhat.com>
11722
11723         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
11724         (fold_binary): Likewise.
11725         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
11726         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
11727         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
11728         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
11729         * langhooks.h (struct lang_hooks): Removed field
11730         'can_use_bit_fields_p'.
11731
11732 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
11733
11734         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
11735
11736 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
11737
11738         * function.c (get_last_funcdef_no): New function.
11739         * function.h (get_last_funcdef_no): Declare.
11740         * tree-inline.c (initialize_cfun): Add initialization.
11741         (tree_function_versioning): Cleanup.
11742
11743 2007-01-10  Jan Hubicka  <jh@suse.cz>
11744
11745         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
11746         PHIs.
11747
11748 2007-01-10  Sa Liu  <saliu@de.ibm.com>
11749             Ben Elliston  <bje@au.ibm.com>
11750
11751         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
11752         for SAVE_NONLOCAL and Pmode for any other save level.
11753         * spu-protos.h (spu_restore_stack_block): Declare.
11754         * spu.md (save_stack_block): Remove.
11755         (restore_stack_block): Call spu_restore_stack_block.
11756         * spu.c (spu_restore_stack_block): New function.
11757         (spu_expand_epilogue): Remove old comment.
11758
11759 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
11760
11761         PR tree-optimization/30322
11762         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
11763         (cand_value_at): Return the value as aff_tree.
11764         (may_eliminate_iv): Convert the bound from aff_tree to tree.
11765         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
11766         aff_combination_mult): New functions.
11767         (aff_combination_add): Use aff_combination_add_cst.
11768         (aff_combination_convert): Allow conversions to a wider type.
11769         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
11770         * tree-affine.h (aff_combination_mult): Declare.
11771
11772 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
11773
11774         * doc/tm.texi: Update documentation to reflect reality of exec
11775         and start file search behaviours. Update copyright year.
11776         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
11777         header file directories.
11778
11779 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
11780
11781         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
11782         (*cosxf2): Rename to cosxf2_i387.
11783         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
11784         using X87MODEF12 mode macro. Rename patterns to
11785         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
11786         for SSE math.
11787         (*cosdf2, *cossf2): Ditto.
11788         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
11789         to match extended input operands.
11790         (sincos<mode>3): New expander.
11791         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
11792         insn patterns and corresponding splitters.
11793
11794 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
11795
11796         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
11797         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
11798
11799 2007-01-09  Nicolas Pitre  <nico@cam.org>
11800
11801         PR target/30173
11802         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
11803
11804 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
11805
11806         * target.h (struct gcc_target): New field library_rtti_comdat.
11807         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
11808         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
11809         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
11810         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
11811
11812 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
11813
11814         * doc/invoke.texi (Optimize Options): Correct description of -O0.
11815
11816 2007-01-08  Richard Guenther  <rguenther@suse.de>
11817
11818         * tree.h (force_fit_type_double): Export.
11819         (force_fit_type): Remove.
11820         * fold-const.c (force_fit_type_double): New function.
11821         (force_fit_type): Remove.
11822         (int_const_binop): Use it.
11823         (fold_convert_const_int_from_int): Likewise.
11824         (fold_convert_const_int_from_real): Likewise.
11825         (fold_div_compare): Likewise.
11826         (fold_sign_changed_comparison): Likewise.
11827         (fold_unary): Likewise.
11828         (fold_negate_const): Likewise.
11829         (fold_abs_const): Likewise.
11830         (fold_not_const): Likewise.
11831         * c-common.c (shorten_compare): Use force_fit_type_double.
11832         * convert.c (convert_to_pointer): Likewise.
11833
11834 2007-01-08  Richard Guenther  <rguenther@suse.de>
11835
11836         * tree.h (build_int_cst_wide_type): Export.
11837         * tree.c (build_int_cst_wide_type): New function.
11838         (build_int_cst_wide): Fix comment.
11839         * builtins.c (fold_builtin_object_size): Use build_int_cst
11840         to build -1 or 0 of the correct type.  Use fit_double_type
11841         to check for overflow.
11842         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
11843         to build the mask.
11844         (decode_field_reference): Likewise.
11845         (all_ones_mask_p): Likewise.
11846         (native_interpret_int): Use build_int_cst_wide_type.
11847         (fold_binary): Use build_int_cst_type to build an all-ones
11848         value.
11849         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
11850
11851 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
11852
11853         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
11854
11855 2007-01-09  Ben Elliston  <bje@au.ibm.com>
11856
11857         * genautomata.c (STATS_OPTION): New option.
11858         (stats_flag): New flag.
11859         (gen_automata_option): Handle it.
11860         (initiate_automaton_gen): Ditto.
11861         (write_automata): Output statistics only if stats_flag is
11862         set. Likewise, output time statistics only if time_flag is set.
11863         * doc/md.texi (Processor pipeline description): Document new flag.
11864
11865 2007-01-08  Richard Guenther  <rguenther@suse.de>
11866
11867         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
11868         * tree.c (build_int_cst_type): Likewise.
11869         (size_in_bytes): Don't call force_fit_type on the result.
11870         (int_fits_type_p): Use fit_double_type.
11871         * fold-const.c (fit_double_type): New function.
11872         (force_fit_type): Use it.
11873         * tree.h (fit_double_type): Export.
11874
11875 2007-01-08  Jan Hubicka  <jh@suse.cz>
11876
11877         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
11878         * ipa.c (function_and_variable_visibility): Fix return type.
11879
11880 2007-01-08  Richard Guenther  <rguenther@suse.de>
11881
11882         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
11883         of offset to build the index.
11884         * tree-pretty-print.c (dump_generic_node): Don't build negated
11885         const just for printing.
11886         * c-pretty-print.c (pp_c_integer_constant): Likewise.
11887         * builtins.c (fold_builtin_int_roundingfn): Check if result
11888         fits the type by using force_fit_type and comparing the result.
11889         * predict.c (predict_loops): Use compare_tree_int for comparison.
11890         * tree.c (build_int_cst): Fall back to integer_type_node for
11891         NULL_TREE type.
11892         (build_int_cst_wide): Assert type is non-null.
11893
11894 2007-01-08  Roberto Costa  <roberto.costa@st.com>
11895
11896         * tree-vrp.c (extract_range_from_cond_expr): New.
11897         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
11898         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
11899         as expressions.
11900         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
11901         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
11902         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
11903         used as expressions.
11904         * tree-object-size.c (cond_expr_object_size): New.
11905         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
11906
11907 2007-01-08  Jan Hubicka  <jh@suse.cz>
11908
11909         * tree-ssa-forwprop.c (forward_propagate_into_cond,
11910         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
11911         statement.
11912
11913 2007-01-08  Richard Guenther  <rguenther@suse.de>
11914
11915         PR tree-optimization/23603
11916         * tree-vrp.c (set_value_range_to_truthvalue): New function.
11917         (extract_range_from_binary): Fall back to truthvalue instead of
11918         varying for TRUTH_*_EXPR.
11919         (extract_range_from_comparison): Fall back to truthvalue instead of
11920         varying.
11921         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
11922         if all visited PHI values were constant.
11923
11924 2007-01-08  Jan Hubicka  <jh@suse.cz>
11925
11926         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
11927         (cgraph_analyze_function): break out from ...
11928         (cgraph_finalize_compilation_unit): ... here.
11929         (cgraph_expand_function): Remove forgoten commented out line.
11930         (cgraph_optimize): Analyze functions.
11931
11932 2007-01-08  Jan Hubicka  <jh@suse.cz>
11933
11934         * tree-pas.h (TODO_remove_function): New flag.
11935         (TODO_update*): Renumber.
11936         (pass_ipa_increase_alignment,
11937         pass_ipa_function_and_variable_visibility): New passes.
11938         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
11939         (cgraph_function_and_variable_visibility): Move to ipa.c
11940         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
11941         cgraph_increase_alignment.
11942         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
11943         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
11944         calling tree-inline.
11945         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
11946         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
11947         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
11948         (gate_increase_alignment): New function.
11949         (pass_ipa_increase_alignment): New pass.
11950         * ipa.c: Inline tree-pass.h and timevar.h
11951         (function_and_variable_visibility): Move here from cgraphunit.c
11952         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
11953         * passes.c (init_optimization_passes): Add the two new passes.
11954         (execute_todo): Handle cgraph_remove_functions.
11955
11956 2007-01-08  Nick Clifton  <nickc@redhat.com>
11957
11958         * config/frv/predicates.md (reg_or_0_operand): Accept
11959         CONST_DOUBLEs.
11960
11961 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
11962
11963         * config/bfin/rtems.h, config/bfin/t-rtems: New.
11964         * config.gcc: Add bfin*-rtems*.
11965
11966 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
11967
11968         * c.opt: Add -flax-vector-conversions.
11969         * c-typeck.c (convert_for_assignment): Pass flag to
11970         vector_types_convertible_p to allow emission of note.
11971         (digest_init): Likewise.
11972         * c-opts.c: Handle -flax-vector-conversions.
11973         * c-common.c (flag_lax_vector_conversions): New.
11974         (vector_types_convertible_p): Unless -flax-vector conversions
11975         has been passed, disallow conversions between vectors with
11976         differing numbers of subparts and/or element types.  If such
11977         a conversion is disallowed, possibly emit a note on the first
11978         occasion only to inform the user of -flax-vector-conversions.
11979         The new last argument specifies this.
11980         * c-common.h (flag_lax_vector_conversions): New.
11981         (vector_types_convertible_p): Add extra argument.
11982         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
11983         char_type_node for V*QI type vectors.
11984         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
11985         Update to satisfy new typechecking rules.
11986         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
11987         C and C++ variants.
11988         * doc/invoke.texi (C Dialect Options): Document
11989         -flax-vector-conversions.
11990
11991 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
11992
11993         PR tree-optimization/29877
11994         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
11995         a register variable on the RHS to not be replaceable.
11996
11997 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
11998         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
11999         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
12000         const_simm15, const_pow2, const_npow2): Added.
12001         * config/score/misc.md (insv, extv, extzv, movmemsi,
12002         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
12003         * config/score/score.c (score_address_cost, score_select_cc_mode):
12004         Added.
12005         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
12006         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
12007         Update score_print_operand.
12008         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
12009         Adjust register allocate order and update some macro define.
12010         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
12011         mdx_block_move_straight, mdx_block_move_loop_head,
12012         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
12013         mdx_block_move): Added.
12014         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
12015         mdp_limm): Updated and fix some bug and typo.
12016         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
12017         (movsf, movdf, doloop_end): Added.
12018
12019 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
12020
12021         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
12022         config/arm/thumb2.md: Fix comment typos.
12023         * doc/extend.texi: Fix a typo.
12024
12025 2007-01-07  Eric Christopher  <echristo@apple.com>
12026
12027         * configure.ac: Check for __stack_chk_fail for darwin.
12028         * configure: Regenerate.
12029
12030 2007-01-07  Richard Guenther  <rguenther@suse.de>
12031
12032         * tree-vrp.c (extract_range_from_assert): CSE calls to
12033         compare_values where possible.
12034         (extract_range_from_unary_expr): Likewise.
12035
12036 2007-01-07  Anatoly Sokolov <aesok@post.ru>
12037
12038         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
12039         * config/avr/avr.c (call_insn_operand): Delete function.
12040         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
12041         instead of register number. Use predicates.
12042         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
12043         call_insn_operand): Add.
12044
12045 2007-01-06  Jan Hubicka  <jh@suse.cz>
12046
12047         * tree-pass.h (pass_build_cgraph_edges): Declare.
12048         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
12049         (visited_nodes): Remove.
12050         (cgraph_create_edges): Move to cgraphbuild.c; rename to
12051         build_cgrpah_edges; make visited_nodes local.
12052         (cgraph_process_new_functions): DO not call initialize_inline_failed.
12053         (record_references_in_initializer): Move to cgraphbuild.c
12054         (initialize_inline_failed, rebuild_cgraph_edges,
12055         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
12056         (verify_cgraph_node): Make visited_nodes local.
12057         (cgraph_analyze_function): Do not call cgraph_create_edges and
12058         initialize_inline_failed.
12059         (cgraph_expand_function): Do not call cgraph_lower_function;
12060         assert that function is already lowered.
12061         * Makefile.in (cgraphbuild.o): New.
12062         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
12063         at the end of lowering passes.
12064
12065 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
12066
12067         * ifcvt.c (cond_move_convert_if_block): New function, code
12068         factored out from...
12069         (cond_move_process_if_block): ...here.  Call the new function
12070         on the THEN and ELSE blocks.
12071         (merge_if_block): Do not copy global_live_at_end, merge_blocks
12072         already takes care of this.
12073
12074 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12075
12076         PR c/19978
12077         * tree.h (TREE_OVERFLOW_P): New.
12078         * c-typeck.c (parser_build_unary_op): Warn only if result
12079         overflowed and operands did not.
12080         (parser_build_binary_op): Likewise.
12081         (convert_for_assignment): Remove redundant overflow_warning.
12082         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
12083
12084 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12085
12086         * c-typeck.c (store_init_value): Split over two lines to follow
12087         the GNU coding style.
12088
12089 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
12090
12091         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
12092         __GXX_EXPERIMENTAL_CXX0X__.
12093         * doc/cpp.texi: Same.
12094
12095 2007-01-05  Richard Guenther  <rguenther@suse.de>
12096
12097         PR middle-end/27826
12098         * tree.c (get_narrower): Do not construct COMPONENT_REFs
12099         with mismatched types.  Instead explicitly build a
12100         conversion NOP_EXPR.
12101
12102 2007-01-05  Ian Lance Taylor  <iant@google.com>
12103
12104         * c-common.c (decl_with_nonnull_addr_p): New function.
12105         (c_common_truthvalue_conversion): Call it.
12106         * c-typeck.c (build_binary_op): Likewise.
12107         * c-common.h (decl_with_nonnull_addr_p): Declare.
12108
12109 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
12110
12111         PR c/30360
12112         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
12113         denom against 0.0.
12114
12115 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
12116
12117         * doc/install.texi (Final install): Document the fact that
12118         the GNAT runtime should not be stripped.
12119
12120 2007-01-04  Jan Hubicka  <jh@suse.cz>
12121
12122         * tree-inline.c (fold_marked_statements): Update operand caches
12123         and EH after folding
12124
12125 2007-01-04  Ian Lance Taylor  <iant@google.com>
12126
12127         * c-common.c (check_function_nonnull): Whitespace fix.
12128
12129 2007-01-04  Jan Hubicka  <jh@suse.cz>
12130
12131         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
12132         comitted older version of patch.
12133         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
12134         function, celanup cfg and collect garbage.
12135
12136 2007-01-04  Mike Stump  <mrs@apple.com>
12137
12138         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
12139         (clean): Likewise.
12140
12141 2007-01-04  Eric Christopher  <echristo@apple.com>
12142
12143         * libgcc2.c (__bswapsi2): Use SItype.
12144         (__bswapdi2): Use DItype.
12145         * libgcc2.h: Update for above.
12146
12147 2007-01-04  Paul Brook  <paul@codesourcery.com>
12148
12149         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
12150         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
12151         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
12152         umulsidi3, umulsidi3adddi, smulsi3_highpart,
12153         umulsi3_highpart): Make conditional on !arm_arch6.
12154         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
12155         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
12156         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
12157         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
12158         umulsi3_highpart_v6): New insns.
12159
12160 2007-01-04  Roger Sayle  <roger@eyesopen.com>
12161
12162         * fold-const.c (fold_convert): When casting an expression to void,
12163         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
12164         have a type.  Instead of attempting to build a NOP_EXPR, return
12165         these "special" trees directly.
12166
12167 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
12168
12169         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
12170         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
12171         rs6000_cost->fp not 0 as adjustment for outer NEG.
12172
12173 2007-01-04  Jan Hubicka  <jh@suse.cz>
12174
12175         * cgraph.c (cgraph_release_function_body): New function.
12176         (cgraph_remove_node): Use it.
12177         * cgraph.h (cgraph_release_function_body): Declare.
12178         * cgraphunit.c (cgraph_expand_function): Use it.
12179         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
12180         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
12181         is initialized and while compilation of other function is running.
12182         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
12183         statement CFG annotations from here to ...
12184         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
12185
12186 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
12187
12188         * cfgloop.h (enum li_flags): Make the constants powers of two.
12189
12190 2007-01-04  Jan Hubicka  <jh@suse.cz>
12191
12192         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
12193         set.
12194         (fold_marked_statements): New function.
12195         (optimize_inline_calls, tree_function_versioning): Fold new statements.
12196         * tree-inline.h (copy_body_data): Add statements_to_fold.
12197
12198 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
12199
12200         * config.gcc: Mention libgcc/config.host.
12201         * Makefile.in: Update comments mentioning libgcc.
12202         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
12203         (all.cross, start.encap, rest.encap, rest.cross): Update
12204         dependencies for libgcc move.
12205         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
12206         (clean-target, clean-target-libgcc): Delete.
12207         (srcdirify, GCC_EXTRA_PARTS): New macros.
12208         (libgcc-support, libgcc.mvars): New rules.
12209         (distclean): Remove mention of mklibgcc.
12210         (install): Don't reference INSTALL_LIBGCC.
12211         (install-common): Don't reference EXTRA_PARTS.
12212         (install-libgcc, install-multilib): Delete rules.
12213         * mklibgcc.in: Delete file.
12214         * doc/configfiles.texi: Don't mention mklibgcc.
12215
12216         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
12217         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
12218         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
12219         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
12220         (mklibgcc, ldblspecs): Likewise.
12221
12222         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
12223         (posixpre.def): Use $(T).
12224         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
12225         (SHLIB_SRC, SHLIB_INSTALL): Delete.
12226         (SHLIB_LINK): Make dummy.
12227         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
12228
12229         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
12230
12231         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
12232         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
12233         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
12234         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
12235
12236         * configure.ac (all_outputs): Remove mklibgcc.
12237         * configure: Regenerated.
12238
12239 2007-01-03  Josh Conner  <jconner@apple.com>
12240
12241         PR middle-end/29683
12242         * calls.c (compute_argument_addresses): Set stack and stack_slot
12243         for partial args, too.
12244         (store_one_arg): Use locate.size.constant for the size when
12245         generating a save_area.
12246
12247 2007-01-03  Robert Kennedy <jimbob@google.com>
12248
12249         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
12250         whose definitions are deleted due to basic block merging.
12251
12252 2007-01-03  Paul Brook  <paul@codesourcery.com>
12253
12254         PR target/16634
12255         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
12256         functions.
12257         (use_return_insn): Return 0 for Thumb interrupt functions.
12258         (print_multi_reg): Add rfe argument for IRQ returns.
12259         (arm_output_epilogue): Pop interrupt return address directly into PC.
12260         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
12261
12262 2007-01-03  Paul Brook  <paul@codesourcery.com>
12263
12264         Merge from sourcerygxx-4_1.
12265         * config/arm/thumb2.md: New file.
12266         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
12267         Thumb-2.
12268         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
12269         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
12270         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
12271         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
12272         tables.
12273         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
12274         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
12275         comptibility.
12276         * config/arm/ieee754-sf.S: Ditto.
12277         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
12278         (thumb1_base_register_rtx_p): ... to this.
12279         (thumb_index_register_rtx_p): Rename...
12280         (thumb1_index_register_rtx_p): ... to this.
12281         (thumb_output_function_prologue): Rename...
12282         (thumb1_output_function_prologue): ... to this.
12283         (thumb_legitimate_address_p): Rename...
12284         (thumb1_legitimate_address_p): ... to this.
12285         (thumb_rtx_costs): Rename...
12286         (thumb1_rtx_costs): ... to this.
12287         (thumb_compute_save_reg_mask): Rename...
12288         (thumb1_compute_save_reg_mask): ... to this.
12289         (thumb_final_prescan_insn): Rename...
12290         (thumb1_final_prescan_insn): ... to this.
12291         (thumb_expand_epilogue): Rename...
12292         (thumb1_expand_epilogue): ... to this.
12293         (arm_unwind_emit_stm): Rename...
12294         (arm_unwind_emit_sequence): ... to this.
12295         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
12296         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
12297         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
12298         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
12299         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
12300         thumb2_output_casesi): New functions.
12301         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
12302         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
12303         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
12304         THUMB2_WORK_REGS): Define.
12305         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
12306         arm_condexec_mask, arm_condexec_masklen)): New variables.
12307         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
12308         (arm_override_options): Check new CPU capabilities.
12309         Set new architecture flag variables.
12310         (arm_isr_value): Handle v7m interrupt functions.
12311         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
12312         Thumb-2.
12313         (const_ok_for_arm): Handle Thumb-2 constants.
12314         (arm_gen_constant): Ditto.  Use movw when available.
12315         (arm_function_ok_for_sibcall): Return false for v7m interrupt
12316         functions.
12317         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
12318         (thumb_find_work_register, arm_load_pic_register,
12319         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
12320         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
12321         print_multi_reg, output_mov_long_double_fpa_from_arm,
12322         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
12323         output_mov_double_fpa_from_arm, output_move_double,
12324         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
12325         output_return_instruction, arm_output_function_prologue,
12326         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
12327         arm_output_mi_thunk, thumb_set_return_address): Ditto.
12328         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
12329         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
12330         (arithmetic_instr, shift_op): Use arm_shift_nmem.
12331         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
12332         '!' and 'L'.
12333         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
12334         (thumb_expand_prologue): Use thumb_set_frame_pointer.
12335         (arm_file_start): Output directive for unified syntax.
12336         (arm_unwind_emit_set): Handle stack alignment instruction.
12337         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
12338         Add v6t2, v7, v7a, v7r and v7m.
12339         (RETLDM): Add Thumb-2 code.
12340         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
12341         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
12342         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
12343         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
12344         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
12345         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
12346         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
12347         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
12348         ADJUST_INSN_LENGTH): Define.
12349         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
12350         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
12351         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
12352         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
12353         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
12354         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
12355         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
12356         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
12357         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
12358         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
12359         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
12360         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
12361         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
12362         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
12363         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
12364         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
12365         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
12366         cortex-m3.
12367         * config/arm/arm-tune.md: Regenerate.
12368         * config/arm/arm-protos.h: Update prototypes.
12369         * config/arm/vfp.md: Enable patterns for Thumb-2.
12370         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
12371         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
12372         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
12373         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
12374         * config/arm/libunwind.S: Add Thumb-2 code.
12375         * config/arm/constraints.md: Update include Thumb-2.
12376         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
12377         * config/arm/ieee754-df.S: Ditto.
12378         * config/arm/bpabi.S: Ditto.
12379         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
12380         * config/arm/predicates.md (low_register_operand,
12381         low_reg_or_int_operand, thumb_16bit_operator): New.
12382         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
12383         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
12384         * config/arm/t-arm-elf: Add armv7 multilib.
12385         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
12386         Include thumb2.md.
12387         (UNSPEC_STACK_ALIGN, ce_count): New.
12388         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
12389         arm_zero_extendsidi2, arm_zero_extendqidi2): New
12390         insns/expanders.
12391         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
12392         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
12393         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
12394         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
12395         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
12396         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
12397         insns.
12398         * doc/extend.texi: Document ARMv7-M interrupt functions.
12399         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
12400
12401 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
12402
12403         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
12404         (struct _Unwind_Context): Rename args_size to flags, remove
12405         signal_frame field, add a new args_size field and version field.
12406         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
12407         _Unwind_IsExtendedContext): New inline functions.
12408         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12409         Assume by_value array is only present if _Unwind_IsExtendedContext.
12410         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
12411         _Unwind_IsSignalFrame.
12412         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
12413         (uw_update_context_1): Use _Unwind_SetSignalFrame.
12414         (uw_init_context_1): Initialize context->flags to
12415         EXTENDED_CONTEXT_BIT.
12416         * config/rs6000/linux-unwind.h (frob_update_context): Use
12417         _Unwind_SetSignalFrame.
12418
12419 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12420
12421         PR middle-end/30353
12422         * gimplify.c (gimplify_modify_expr_complex_part): Move below
12423         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
12424         the value.
12425
12426 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
12427
12428         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
12429         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
12430         RET, AT_SP): Remove.
12431         * config/i386/i386.md (*sse_prologue_save_insn): Use return
12432         instead of RET.
12433
12434         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12435         * cfgbuild.c (find_basic_blocks): Likewise.
12436         * cfgrtl.c (rtl_create_basic_block): Likewise.
12437         * function.c (temp_slots_at_level): Likewise.
12438         * reg-stack.c (stack_regs_mentioned): Likewise.
12439         * regclass.c (allocate_reg_info): Likewise.
12440         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12441         set_bb_for_stmt, move_block_to_fn): Likewise.
12442         * tree-complex.c (tree_lower_complex): Likewise.
12443         * vec.h (VEC_safe_grow_cleared): New.
12444
12445         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
12446
12447 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
12448
12449         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
12450         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
12451         to loop_version.
12452         * cfgloopmanip.c (scale_loop_frequencies): Export.
12453         (loopify): Scale the frequencies by prescribed coefficients.
12454         (set_zero_probability): New function.
12455         (duplicate_loop_to_header_edge): Improve updating of frequencies.
12456         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
12457         and frequencies according to arguments.
12458         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
12459         correctly.
12460         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
12461         * modulo-sched.c (sms_schedule): Set probabilities for entering
12462         versioned loop correctly.
12463         * tree-vect-transform.c (vect_transform_loop): Ditto.
12464         * cfgloop.h (loopify, loop_version): Declaration changed.
12465         (scale_loop_frequencies): Declared.
12466
12467 2007-01-02  Jan Hubicka  <jh@suse.cz>
12468
12469         * cgraph.c: Include tree-flow.h
12470         (cgraph_add_new-function): Handle IPA_SSA mode; execute
12471         early_local_passes.
12472         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
12473         * tree-pass.h (pass_all_early_optimizations): Declare.
12474         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
12475         early_local_passes.
12476         (cgraph_analyze_function): Do early_local_passes.
12477         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
12478         Do not add referenced vars.
12479         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
12480         SSA form.
12481         (gate_all_early_local_passes): New gate.
12482         (pass_early_local_passes): Use new gate.
12483         (execute_early_local_optimizations): New functions.
12484         (gate_all_early_optimizations): New gate.
12485         (pass_all_early_optimizations): New pass.
12486         (execute_free_datastructures): Free SSA only when initialized.
12487         (gate_init_datastructures): Init only when optimizing.
12488         (tree_lowering_passes): Do early local passes when called late.
12489         * tree-profile.c (do_tree_profiling): Don't profile functions added
12490         late.
12491         (do_early_tree_profiling, pass_early_tree_profile): Kill.
12492         * tree-cfg.c (update_modified_stmts): Do not update when operands are
12493         not active.
12494         * passes.c (init_optimizations_passes): Reorder so we go into SSA
12495         during early_local_passes.
12496         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
12497
12498
12499 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
12500
12501         * Makefile.in: Update copyright year.
12502
12503 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
12504
12505         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
12506         in $(lang_checks) and check-consistency targets.
12507
12508 2007-01-02  Jan Hubicka  <jh@suse.cz>
12509
12510         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
12511         Do not add referenced vars.
12512         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
12513         are not active.
12514         * passes.c (init_optimization_passes): Put mudflap_2 after
12515         free_datastructures.
12516
12517 2007-01-02  Jan Hubicka  <jh@suse.cz>
12518
12519         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
12520         Set NOTHROW flag on call statements proved to be nothrow.
12521         Update statement of local calls so new pure/const functions are
12522         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
12523         goto receivers.
12524         (tree_rest_of_compilation): Register hooks and initialize bitmap
12525         early. Do not set after_inlining flag.
12526
12527 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
12528
12529         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
12530         HOST_BITS_PER_LONGLONG
12531
12532 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12533
12534         PR c/19977
12535         * c-typeck.c (store_init_value): Don't emit pedantic overflow
12536         warning for non-static initializers.
12537
12538 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
12539
12540         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
12541         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
12542         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
12543         Always use set_unique_reg_note to add REG_EQUAL notes.
12544
12545 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12546
12547         Revert:
12548         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12549
12550         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12551         * cfgbuild.c (find_basic_blocks): Likewise.
12552         * cfgrtl.c (rtl_create_basic_block): Likewise.
12553         * function.c (temp_slots_at_level): Likewise.
12554         * reg-stack.c (stack_regs_mentioned): Likewise.
12555         * regclass.c (allocate_reg_info): Likewise.
12556         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12557         set_bb_for_stmt, move_block_to_fn): Likewise.
12558         * tree-complex.c (tree_lower_complex): Likewise.
12559         * vec.h (VEC_safe_grow_cleared): New.
12560
12561 2007-01-02  Ian Lance Taylor  <iant@google.com>
12562
12563         * c-common.c (c_common_truthvalue_conversion): When warning about
12564         using an assignment as a truth value, set TREE_NO_WARNING.
12565
12566 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12567
12568         PR middle-end/7651
12569         * c.opt (Wold-style-declaration): New.
12570         * doc/invoke.texi (C-only Warning Options): New.
12571         (Wold-style-declaration): Document it.
12572         (Wextra): Enabled by -Wextra.
12573         * c-opts.c (c_common_post_options): Enabled by -Wextra.
12574         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
12575         -Wold-style-declaration.
12576
12577 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12578
12579         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12580         * cfgbuild.c (find_basic_blocks): Likewise.
12581         * cfgrtl.c (rtl_create_basic_block): Likewise.
12582         * function.c (temp_slots_at_level): Likewise.
12583         * reg-stack.c (stack_regs_mentioned): Likewise.
12584         * regclass.c (allocate_reg_info): Likewise.
12585         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12586         set_bb_for_stmt, move_block_to_fn): Likewise.
12587         * tree-complex.c (tree_lower_complex): Likewise.
12588         * vec.h (VEC_safe_grow_cleared): New.
12589
12590 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
12591
12592         * c-common.c (c_common_nodes_and_builtins): Since variants of
12593         void_type_node get built before it is given a name, we need to
12594         give those variants the name, too.
12595         (complete_array_type): We need to work with the canonical main
12596         type of the array, from which we will build the qualified version.
12597         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
12598         * print-tree.c (print_node): Display canonical type information
12599         for each type.
12600         * stor-layout.c (layout_type): When we don't know the
12601         alignment of a type for which we're building an array, we end up
12602         guessing wrong, so make the type require structural equality.
12603         * tree.c (make_node_stat): When we build a new type, it is its
12604         own canonical type.
12605         (build_type_attribute_qual_variant): When building an attribute
12606         variant, its canonical type is the non-attribute variant. However,
12607         if the attributes are target-dependent and they differ, we need to
12608         use structural equality checks for this type.
12609         (build_qualified_type): A qualified type is not equivalent to its
12610         unqualified variant; set the canonical type appropriately.
12611         (build_distinct_type_copy): When building a distinct type from
12612         another type, the new type is its own canonical type.
12613         (build_variant_type_copy): When building a new type variant, we
12614         assume that it is equivalent to the original type.
12615         (build_pointer_type_for_mode): When building a pointer type, also
12616         build a canonical type pointer.
12617         (build_reference_type_for_mode): When building a reference type,
12618         also build a canonical type reference.
12619         (build_index_type): When we can't hash an index type (e.g.,
12620         because its maximum value is negative), the index type requires
12621         structural equality tests.
12622         (build_array_type): Build the canonical form of an array type.
12623         (build_function_type): Function types require structural equality,
12624         because they contain default arguments, attributes, etc.
12625         (build_method_type_directly): Ditto for method types.
12626         (build_offset_type): Build the canonical offset type.
12627         (build_complex_type): Build the canonical vector type.
12628         (make_vector_type): Build the canonical vector type.
12629         * tree.h (TYPE_CANONICAL): New.
12630         (TYPE_STRUCTURAL_EQUALITY_P): New.
12631         (SET_TYPE_STRUCTURAL_EQUALITY): New.
12632         (struct tree_type): Added "canonical" field.
12633         * params.h (VERIFY_CANONICAL_TYPES): New.
12634         * doc/c-tree.texi (TYPE_CANONICAL): Document.
12635         (TYPE_STRUCTURAL_EQUALITY_P): Document.
12636         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
12637         * doc/invoke.texi (verify-canonical-types): Document --param
12638         parameter for verifying canonical types.
12639
12640 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12641
12642         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
12643         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
12644         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
12645         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
12646         tm_file.
12647         * config/rs6000/e500.h: New.
12648         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
12649         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
12650         Remove.
12651         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
12652         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
12653         TARGET_E500_DOUBLE): Remove.
12654         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
12655         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
12656         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
12657         * config/rs6000/rs6000.c (rs6000_override_options): Use
12658         CHECK_E500_OPTIONS.
12659
12660 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12661
12662         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
12663         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
12664         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
12665         rs6000_emit_cmove): Don't check TARGET_E500.
12666         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
12667         sordered): Don't check TARGET_E500.
12668
12669 2007-01-01  Eric Christopher  <echristo@apple.com>
12670
12671         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
12672         HARD_REGISTER_NUM_P.
12673
12674 2007-01-01  Roger Sayle  <roger@eyesopen.com>
12675
12676         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
12677         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
12678         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
12679         eq/ne Y".
12680
12681 2007-01-01  Mike Stump  <mrs@apple.com>
12682
12683         * configure.ac: Remove support for building with Apple's gcc-3.1.
12684
12685 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12686
12687         PR middle-end/30311
12688         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
12689         REG is a hard register.  Do not modify REG before calling
12690         subreg_nregs.
12691         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
12692         multiple of the size of YMODE for certain lowpart cases.
12693
12694 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12695
12696         PR middle-end/30253
12697         * gimplify (voidify_wrapper_expr): Update for
12698         GIMPLE_MODIFY_STMT.
12699
12700 2007-01-01  Andreas Schwab  <schwab@suse.de>
12701
12702         PR target/29166
12703         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
12704         save of BR0 in extra_spill_size instead of spill_size.
12705         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
12706         area.
12707         (ia64_expand_epilogue): Restore BR0 from its new location.
12708
12709 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12710
12711         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
12712         Use a temporary variable if the left hand side is not a gimple
12713         register.
12714
12715 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12716
12717         * gimplify.c (gimplify_return_expr): Make the temporary variable
12718         for the return expression, a gimple register variable.
12719
12720 2007-01-01  Jan Hubicka  <jh@suse.cz>
12721
12722         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
12723         INSN_LIST.
12724
12725 2007-01-01  Mike Stump  <mrs@apple.com>
12726
12727         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
12728         .literal16.
12729         * config/darwin.c (machopic_select_rtx_section): Use
12730         HAVE_GAS_LITERAL16.
12731         (darwin_mergeable_constant_section): Likewise.
12732         * configure: Regenerate.
12733         * config.in: Regenerate.
12734
12735 2007-01-01  Jan Hubicka  <jh@suse.cz>
12736             Andrew Pinski  <pinskia@gmail.com>
12737
12738         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
12739         before starting IPA passes.