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* tree-ssa-dom.c (tree_ssa_dominator_optimize): Do not free dominance
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-05-07  Eric Botcazou  <ebotcazou@adacore.com>
2
3         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Reset cfg_altered.
4         Free dominance info before purging EH edges.
5         (eliminate_degenerate_phis): Likewise.
6         (propagate_rhs_into_lhs): Set cfg_altered to true instead of 1.
7
8 2007-05-07  Jan Hubicka  <jh@suse.cz>
9
10         * gimplify.c (gimplify_expr): Do not crash when folding
11         (void *)(int)&a + 4.
12
13 2007-05-07  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
14
15         PR driver/31694
16         * c-opts.c (lang_fortran): Make it non static.
17         * c-common.h (lang_fortran): New prototype.
18         * c-cppbuiltin.c (c_cpp_builtins): Create a __GFORTRAN__ if the
19         -lang-fortran option was passed by the driver.
20
21 2007-05-06  Eric Botcazou  <ebotcazou@adacore.com>
22
23         * timevar.c (timevar_print): Test ENABLE_ASSERT_CHECKING instead
24         of ASSERT_CHECKING.  Tweak message.
25
26 2007-05-06  Revital Eres  <eres@il.ibm.com>
27
28         PR 30957
29         * loop-unroll.c (insert_var_expansion_initialization):
30         Initialize the expansions with -zero instead of +zero.
31
32 2007-05-05  Aurelien Jarno  <aurelien@aurel32.net>
33
34         * config/pa/pa.md: Split tgd_load, tld_load and tie_load
35         into pic and non-pic versions. Mark r19 as used for 
36         tgd_load_pic, tld_load_pic and tie_load_pic. Mark r27 as used 
37         for tgd_load, tld_load and tie_load .
38         * config/pa/pa.c (legitimize_tls_address): Emit pic or non-pic
39         version of tgd_load, tld_load and tie_load depending on the 
40         value of flag_pic.
41
42 2007-05-04  Ulrich Drepper  <drepper@redhat.com>
43             Jakub Jelinek  <jakub@redhat.com>
44
45         * crtstuff.c (HIDDEN_DTOR_LIST_END): New macro.
46         (__do_global_dtors_aux): Use more paranoid loop to run
47         destructors if HIDDEN_DTOR_LIST_END.
48         (__DTOR_END__): Export as a hidden symbol when HIDDEN_DTOR_LIST_END.
49
50 2007-05-04  Jakub Jelinek  <jakub@redhat.com>
51
52         * varasm.c (align_variable): Don't increase alignment for
53         DECL_THREAD_LOCAL_P variables above BITS_PER_WORD through
54         DATA_ALIGNMENT or CONSTANT_ALIGNMENT.
55
56 2007-05-04  Josh Conner  <jconner@apple.com>
57
58         * basic-block.h (cdi_direction): Assign values to all enumeration
59         constants.
60         (dom_computed): Remove.
61         (dom_info_state): New.
62         (set_dom_info_availability): New.
63         * tree-ssa-loop-im.c (determine_invariantness): Initialize
64         walk_data.dom_direction.
65         * cfghooks.c (delete_basic_block): Use dom_info_available_p()
66         instead of dom_computed[].
67         (split_edge): Likewise.
68         (create_basic_block): Likewise.
69         (merge_blocks): Likewise.
70         * ifcvt.c (find_if_header): Likewise.
71         * tree-cfgcleanup.c (cleanup_tree_cfg): Likewise.
72         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
73         * tree-ssa.c (verify_ssa): Likewise.
74         * tree-cfg.c (tree_verify_flow_info): Likewise.
75         (remove_edge_and_dominated_blocks): Likewise.
76         * dominance.c (dom_computed): Make static.
77         (calc_dfs_tree_nonrec): Change third param to a bool.
78         (calc_dfs_tree): Change second param to a bool.
79         (calc_idioms): Change second param to a bool.  Use
80         dom_convert_dir_to_idx.
81         (init_dom_info): Validate dir before using.
82         (dom_convert_dir_to_idx): New.
83         (calculate_dominance_info): Use dom_convert_dir_to_idx.  New
84         variable 'reverse' used for calling calc_dfs_tree and calc_idoms.
85         (free_dominance_info): Use dom_convert_dir_to_idx.
86         (get_immediate_dominator): Likewise.
87         (set_immediate_dominator): Likewise.
88         (get_dominated_by): Likewise.
89         (redirect_immediate_dominators): Likewise.
90         (nearest_common_denominator): Likewise.
91         (dominated_by_p): Likewise.
92         (bb_dom_dfs_in): Likewise.
93         (bb_dom_dfs_out): Likewise.
94         (recount_dominator): Likewise.
95         (iterate_fix_dominators): Likewise.
96         (add_to_dominance_info): Likewise.
97         (delete_from_dominance_info): Likewise.
98         (first_dom_son): Likewise.
99         (next_dom_son): Likewise.
100         (dom_info_available_p): Likewise.
101         (dom_info_state): New.
102         (set_dom_info_availability): New.
103
104 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
105
106         * config/s390/s390.md ("fix_trunc<mode>di2", "fix_trunc<mode>si2"):
107         Expander removed.
108         ("fix_trunc<DSF:mode><GPR:mode>2"): Expander added.
109
110 2007-05-04  Bob Wilson  <bob.wilson@acm.org>
111         
112         * config/xtensa/xtensa.md (adddi3, adddi_carry): Delete.
113         (subdi3, subdi_carry): Delete.
114         
115 2007-05-04  Jan Hubicka  <jh@suse.cz>
116             Richard Guenther  <rguenther@suse.de>
117
118         * opts.c (decode_options): Do not fiddle with inlining
119         parameters in case of optimizing for size.
120         * ipa-inline.c (cgraph_decide_recursive_inlining): When optimizing
121         for size do nothing.
122         (cgraph_decide_inlining_of_small_function): When optimizing for
123         size never inline functions increasing caller size.
124         (cgraph_early_inlining): Inline for size when optimizing for size.
125
126 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
127
128         * config/bfin/bfin.md (<optab>di3): Now a define_expand which expands
129         logical operations piecewise.
130         (<optab>di_zesidi_di, <optab>di_sesidi_di, negdi2, one_cmpldi2,
131         zero_extendsidi2, subdi_di_zesidi, subdi_zesidi_di, subdi_di_sesidi,
132         subdi_sesidi_di): Delete.
133         (add_with_carry): Produce carry in CC instead of a DREG to shorten
134         the generated sequence.  Allow three-reg add in constraints.  Rewrite
135         the rtl expression for carry to avoid zero_extend of a constant.
136         (sub_with_carry): New pattern.
137         (adddi3, subdi3): Change into define_expand.  For subtract, generate a
138         different sequence not involving jumps.
139         (notbi): Now a named pattern.
140
141 2007-05-04  Bradley Lucier  <lucier@math.purdue.edu>
142
143         * doc/invoke.texi (i386 and x86-64 Options) [-mpc32, -mpc64, -mpc80]:
144         Add the note about a significant loss of accuracy of some
145         mathematical routines when these options are used.
146
147 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
148
149         * haifa-sched.c (rtx_vec_t): New typedef.
150         (contributes_to_priority_p): Extract piece of priority () into new
151         static function.
152         (priority): Use the function.  Add assertion.
153         (rank_for_schedule, set_priorities): Add assertion to check that
154         insn's priority is initialized.
155         (clear_priorities, calc_priorities): Change signature.  Make it update
156         all relevant insns.  Update all callers ('add_to_speculative_block ()'
157         and 'create_block_check_twin ()').
158         * sched-int.h (struct haifa_insn_data): Remove field 'priority_known'.
159         Add new field 'priority_status'.
160         (INSN_PRIORITY_STATUS): New macro.
161         (INSN_PRIORITY_KNOWN): Change to use INSN_PRIORITY_STATUS.
162
163 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
164
165         * sched-ebb.c (debug_ebb_dependencies): New static function.
166         (init_ready_list): Use it.
167
168         * sched-rgn.c (debug_dependencies): Split into 'debug_dependencies ()'
169         with changed signature and 'debug_rgn_dependencies ()'.
170         (debug_rgn_dependencies): New static function.
171         (init_ready_list): Use it.
172         
173         * sched-int.h (debug_dependencies): Declare.
174
175 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
176
177         * libgcc-std.ver (__ffssi2): Added to GCC_4.3.0 section.
178
179 2007-05-04  Dirk Mueller  <dmueller@suse.de>
180
181         * c.opt(Wmain,ffreestanding): Enable for C++,ObjC++.
182
183 2007-05-03  Jan Hubicka  <jh@suse.cz>
184
185         * fold-const.c (fold_unary): Convert (T1)(X op Y) into ((T1)X op (T1)Y),
186         for pointer type in more cases than before.
187
188         * gimplify.c (gimplify_expr): Fold (void *)&a + 4.
189
190         * tree-object-size.c (plus_expr_object_size): When operand size is
191         unknown, return unknown.
192
193 2007-05-03  Dirk Mueller  <dmueller@suse.de>
194
195         * doc/invoke.texi (-m386,-m486,-mpentium,-mpentiumpro): Remove.
196
197         * config/i386/i386.h (CC1_CPU_SPEC): Remove handling for deprecated
198         options.
199
200         * config/i386/i386.opt (m386,m486,mpentium,mpentiumpro): Remove.
201
202 2007-05-03  Janis Johnson  <janis187@us.ibm.com>
203
204         * doc/sourcebuild.texi (Test Directives) Clarify dg-excess-errors.
205
206 2007-05-03  Joseph Myers  <joseph@codesourcery.com>
207
208         * config/soft-fp/double.h, config/soft-fp/extended.h,
209         config/soft-fp/floatundidf.c, config/soft-fp/floatundisf.c,
210         config/soft-fp/floatunsidf.c, config/soft-fp/floatunsisf.c,
211         config/soft-fp/op-2.h, config/soft-fp/op-4.h,
212         config/soft-fp/op-common.h, config/soft-fp/quad.h: Update from
213         glibc CVS.
214
215 2007-05-03  Ian Lance Taylor  <iant@google.com>
216
217         * config/rs6000/rs6000.c (rs6000_override_options): Don't set
218         MASK_PPC_GFXOPT for 8540 or 8548.
219
220 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
221
222         * tree-vect-transform.c (vect_update_inits_of_drs): Use
223         vect_print_dump_info() to output debug information.
224
225 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
226
227         PR target/31768
228         * config/i386/i386.c (print_operand) ['z']: Output 'w' for
229         operands of size 2 when operand is not MEM_P.
230
231 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
232
233         PR tree-optimization/30565
234         * lambda-code.c (perfect_nestify): Fix updating of dominators.
235
236 2007-05-03  Bernd Schmidt  <bernd.schmidt@analog.com>
237
238         * config/bfin/bfin.md (addpdi3, us_truncpdisi2): New patterns.
239         (umulsi3_highpart): Use them.
240         * config/bfin/lib1funcs.asm (__umulsi3_highpart): Use unsigned move
241         for final accumulator to D regisster tranfser.
242
243 2007-05-03  Dorit Nuzman  <dorit@il.ibm.com>
244
245         PR tree-optimization/31699
246         * tree-vect-analyze.c (vect_update_misalignment_for_peel): Remove wrong
247         code.
248         (vect_enhance_data_refs_alignment): Compute peel amount using 
249         TYPE_VECTOR_SUBPARTS instead of vf.     
250         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Likewise.
251
252 2007-05-02  Brooks Moses  <brooks.moses@codesourcery.com>
253
254         PR bootstrap/31776
255         * system.h: Remove inclusion of double-int.h
256         * tree.h: Include double-int.h
257         * gengtype.c: Likewise
258         * cfgloop.h: Likewise
259         * Makefile.in: Adjust dependencies on double-int.h
260
261 2007-05-02  Eric Christopher  <echristo@apple.com>
262
263         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Translate
264         -shared to -Zdynamiclib.
265
266 2007-05-02  Seongbae Park  <seongbae.park@gmail.com>
267
268         PR c++/31663
269         * c-common.c (strip_pointer_or_array_types): New function.
270         * c-common.h (strip_pointer_or_array_types): New function declaration.
271
272 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
273
274         PR tree-optimization/31771
275         * tree-cfg.c (move_block_to_fn): Assign bb to the correct index.
276
277 2007-05-02  Paul Brook  <paul@codesourcery.com>
278
279         * config/arm/bpabi.S (aeabi_lcmp): Fix result on overflow.
280
281 2007-05-02  Andrew Pinski  <andrew_pinski@playstation.sony.com>
282
283         PR middle-end/29715
284         * fold-const.c (fold_comparision): Remove the "foo++ == CONST"
285         transformation.
286
287 2007-05-02  Nick Clifton  <nickc@redhat.com>
288
289         * config/frv/predicates.md (symbolic_operand): Accept CONSTs.
290
291 2007-05-02  Richard Guenther  <rguenther@suse.de>
292
293         PR tree-optimization/31146
294         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
295         argument, single_use_p.  If we have a single use that is
296         a conversion to the definition rhs type, propagate that rhs.
297         (forward_propagate_addr_expr): Pass single_use_p argument
298         to forward_propagate_addr_expr_1.
299
300 2007-05-01  H.J. Lu  <hongjiu.lu@intel.com>
301
302         * config/i386/i386.c (ix86_expand_sse_comi): Remove unused
303         variable.
304
305 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
306
307         * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of
308         'AMD Family 10 core'.
309
310 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
311
312         * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3
313         and athlon64-sse3 as improved versions of k8, opteron and athlon64
314         with SSE3 instruction set support.
315         * doc/invoke.texi: Likewise.
316
317 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
318
319         * config/i386/i386.c (override_options): Tuning 32-byte loop
320         alignment for amdfam10 architecture. Increasing the max loop
321         alignment to 24 bytes.
322
323 2007-05-01  Kazu Hirata  <kazu@codesourcery.com>
324
325         * config/m68k/constraints.md: New.
326         * config/m68k/m68k.h (REG_CLASS_FROM_LETTER,
327         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
328         EXTRA_CONSTRAINT): Remove.
329         * config/m68k/m68k.md: Include constraints.md.
330         * expr.c (expand_expr_real_1): Copy DECL_RTL before using it.
331
332 2007-05-01  Ian Lance Taylor  <iant@google.com>
333
334         PR tree-optimization/31739
335         * tree-vrp.c (vrp_val_is_max): New static function.
336         (vrp_val_is_min): New static function.
337         (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
338         copying the node.
339         (set_value_range): Use vrp_val_is_{max,min}.
340         (extract_range_from_assert): Likewise.
341         (extract_range_from_binary_expr): Likewise.
342         (extract_range_from_unary_expr): Likewise.
343         (dump_value_range, vrp_meet): Likewise.
344         (vrp_visit_phi_node): Likewise.
345         * tree.c (build_distinct_type_copy): Revert change of 2007-04-27.
346
347 2007-05-01  Mark Mitchell  <mark@codesourcery.com>
348
349         * config/i386/gmon-sol2.c (size_t): New type.
350         (intptr_t): Likewise.
351         (s_textsize): Declare as size_t.
352         (sbrk): Declare.
353         (monstartup): Use size_t for sizes.
354         (_mcount): Save and restore registers.
355         (internal_mcount): Pass 0 as the first argument to monstartup
356         in 64-bit mode.
357         (moncontrol): Convert pointer to appropriately sized integer
358         before passing to profil.
359
360 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
361
362         * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if
363         __NO_FPRS__, not just if _SOFT_DOUBLE.
364         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise.
365         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord
366         also for E500 double.
367         * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt,
368         suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT
369         && !TARGET_FPRS).
370
371 2007-05-01  Richard Guenther  <rguenther@suse.de>
372
373         * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt
374         is NULL.
375
376 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
377
378         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
379
380 2007-05-01  Jan Hubicka  <jh@suse.cz>
381
382         * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is
383         invariant.
384
385 2007-05-01  Jan Hubicka  <jh@suse.cz>
386
387         * tree.h (maybe_fold_offset_to_component_ref): Remove.
388         (maybe_fold_offset_to_reference): Declare.
389         * fold-const.c (fold_unary): Do not fold
390         (type *)&A into &A->field_of_type_and_offset_0
391         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type
392         size is unknown, give up.
393         (maybe_fold_offset_to_component_ref): Ignore firelds with unknown
394         offsets.
395         (maybe_fold_offset_to_reference): New.
396         (maybe_fold_stmt_indirect): Use it.
397         (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset.
398         * gimplify.c (gimplify_conversion): Canonicalize conversions to
399         field references.
400         (gimplify_expr): Likewise for plus_expr.
401
402 2007-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
403
404         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
405         bsi_after_labels.  Always insert statements before bsi.
406         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
407         * predict.c (apply_return_prediction): Check for empty blocks.
408         * cfgexpand.c (lab_rtx_for_bb): New variable.
409         (label_rtx_for_bb): Do not create new tree labels.
410         (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
411         (tree_expand_cfg): Initialize lab_rtx_for_bb.
412         * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
413         creating edges.
414         (label_for_bb): Add field used.
415         (update_eh_label, main_block_label): Mark the label used.
416         (cleanup_dead_labels): Remove unused labels.
417
418 2007-05-01  Richard Guenther  <rguenther@suse.de>
419
420         * tree-vrp.c (set_value_range): Do not allocate equiv bitmap
421         if it is not about to be set.
422         (get_value_range): Do not pre-allocate equiv bitmap.
423         (update_value_range): No need to clear equiv field.
424         (add_equivalence): Change prototype to get bitmap pointer.
425         Allocate bitmap here if it is not already.
426         (extract_range_from_assert): Do not allocate bitmap here.
427         Update callers to add_equivalence.
428         (extract_range_from_ssa_name): Likewise.
429         (get_vr_for_comparison): New static helper.
430         (compare_name_with_value): Handle NULL equiv bitmap by
431         peeling the first iteration of the comparison loop.
432         Use get_vr_for_comparison.
433         (compare_names): Handle NULL equiv bitmaps by using fake
434         ones.  Use get_vr_for_comparison.
435
436 2007-04-30  Brooks Moses  <brooks.moses@codesourcery.com>
437
438         * double-int.c (mpz_set_double_int): Moved from
439         tree-ssa-loop-niter.c.
440         (mpz_get_double_int): Likewise; also, add option to wrap
441         out-of-range integers.
442         * double-int.h: New prototypes for above.
443         * tree.c (get_static_type_bounds): Moved from
444         tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
445         TYPE_MAX_VALUE if they exist..
446         * tree.h: New prototype for above.
447         * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
448         get_type_bounds calls.
449         (mpz_set_double_int): Move to double-int.c.
450         (get_type_bounds): Move to tree.c, rename to
451         get_static_type_bounds.
452         (mpz_to_double_int): Move to double-int.c, rename to
453         mpz_get_double_int.
454
455 2007-04-30  Bob Wilson  <bob.wilson@acm.org>
456
457         * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
458         DIV0 exception can fall through to a normal return.
459
460 2007-04-30  Alexandre Oliva  <aoliva@redhat.com>
461
462         PR middle-end/22156
463         Temporarily revert:
464         2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
465         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
466         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
467         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
468         initialize align to silence bogus warning.
469         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
470         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
471         all_no_warning.
472         (struct sra_walk_fns): Remove use_all parameter from use.
473         (sra_hash_tree): Handle BIT_FIELD_REFs.
474         (sra_elt_hash): Don't hash bitfld blocks.
475         (sra_elt_eq): Skip them in parent compares as well.  Handle
476         BIT_FIELD_REFs.
477         (sra_walk_expr): Don't maintain or pass down use_all_p.
478         (scan_use): Remove use_all parameter.
479         (scalarize_use): Likewise.  Re-expand assignment to
480         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
481         output, and re-scalarize after output.  Don't mark anything
482         for no warning.
483         (scalarize_ldst): Adjust.
484         (scalarize_walk_gimple_modify_statement): Likewise.
485         (build_element_name_1): Handle BIT_FIELD_REFs.
486         (instantiate_element): Don't warn for any element whose parent
487         is used as a whole.
488         (instantiate_missing_elements_1): Return the sra_elt.
489         (canon_type_for_field): New.
490         (try_instantiate_multiple_fields): New.
491         (instantiate_missing_elemnts): Use them.
492         (mark_no_warning): Removed.
493         (generate_one_element_ref): Handle BIT_FIELD_REFs.
494         (REPLDUP, sra_build_elt_assignment): New.
495         (generate_copy_inout): Use them.
496         (generate_element_copy): Likewise.  Handle bitfld differences.
497         (generate_element_zero): Don't recurse for blocks.  Use
498         sra_build_elt_assignment.
499         (generate_one_element_int): Take elt instead of var.  Use
500         sra_build_elt_assignment.
501         (generate_element_init_1): Adjust.
502         (scalarize_use, scalarize_copy): Use REPLDUP.
503         (scalarize_ldst): Move assert before dereference.
504         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
505
506 2007-04-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
507
508         PR C++/31721
509         * tree.c (reconstruct_complex_type): Reconstruct a reference
510         correctly.
511         Also use the same mode for the pointer as the old pointer type.
512
513 2007-04-30  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
514
515         * doc/trouble.texi (Interoperation): Remove note about Ultrix
516         Fortran compiler.
517
518 2007-04-29  Zdenek Dvorak  <dvorakz@suse.cz>
519
520         PR rtl-optimization/31676
521         * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
522         (df_refs_record): Call it.
523
524 2007-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
525
526         * rtl.def (SS_ABS): New code.
527         * config/bfin/bfin.c (print_operand): New modifier 'v'.
528         (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
529         BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
530         BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
531         (bfin_init_builtins): Define them.
532         (bdesc_1arg, bdesc_2arg): Add some of them here, ...
533         (bfin_expand_builtin): ... and handle the others here.
534         * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
535         flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
536         (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
537         (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
538         operand is only HImode.
539
540 2007-04-29  Steven Bosscher  <steven@gcc.gnu.org>
541
542         * regclass.c (scan_one_insn): Remove splitting of
543         two address insns.
544
545 2007-04-28  Sandra Loosemore  <sandra@codesourcery.com>
546             Nigel Stephens  <nigel@mips.com>
547
548         * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
549
550 2007-04-28  Jan Hubicka  <jh@suse.cz>
551
552         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
553         insn_locators_alloc instead of insn_locators_initialize;
554         call reset_block_changes.
555         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
556         * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
557         * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
558         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
559         * config/score/score.c (th_output_mi_thunk): Likewise.
560         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
561         * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
562         tolerate uninitialized locator info.
563
564         Re-apply:
565         * function.c (init_function_start): Don't init line number info.
566         (expand_function_end): Update.
567         (reset_block_changes, record_block_change, finalize_block_changes,
568         check_block_change, free_block_changes): Kill.
569         * function.h (reset_block_changes, record_block_change,
570         finalize_block_changes, check_block_change, free_block_changes): Remove
571         prototypes.
572         (struct function): Remove ib_boundaries_block.
573         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
574         Use curr_insn_locator to initialize locator.
575         (emit_line_note): Remove.
576         * cfgexpand.c (expand_gimple_cond_expr): Update.
577         (construct_exit_block): Likewise.
578         (tree_expand_cfg): Initialize/finalize locators.
579         * expr.c (expand_expr_real): Update.
580         * cfglayout.c (line_locators_locs, line_locators_lines,
581         file_locators_locs, file_locators_files): Remove.
582         (set_block_levels): Move to cfgexpand.c.
583         (insn_locators_initialize): Remove.
584         (pass_insn_locators_initialize): Remove.
585         (locations_locators_locs, locations_locators_vals): New static vars.
586         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
587         Likewise.
588         (insn_locators_alloc, insn_locators_finalize,
589         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
590         New functions.
591         (locator_location): New.
592         (locator_line, locator_file): Rewrite.
593         * rtl.h (emit_line_note): Kill.
594         (insn_locators_alloc, insn_locators_finalize,
595         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
596         Declare.
597         * tree-inline.c (initialize_cfun): Do not initialize
598         ib_boundaries_block.
599         * passes.c (pass_insn_locators_initialize): Remove.
600
601 2007-04-28  Zdenek Dvorak  <dvorakz@suse.cz>
602
603         * tree-cfg.c (move_block_to_fn): Release bb from dominance
604         info.  Update last_basic_block correctly.
605
606 2007-04-27  Kaz Kojima  <kkojima@gcc.gnu.org>
607
608         PR target/31701
609         * config/sh/sh.c (output_stack_adjust): Avoid using the frame
610         register itself to hold the offset constant.  Tell flow the use
611         of r4 and r5 when they are used.
612
613 2007-04-27  Richard Guenther  <rguenther@suse.de>
614
615         * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
616         if we simplified anything.
617         (tree_ssa_forward_propagate_single_use_vars): Defer overflow
618         warnings until we did a simplification and the stmt was not
619         marked as TREE_NO_WARNING.
620
621 2007-04-27  Mike Stump  <mrs@apple.com>
622
623         * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
624
625 2007-04-27  Ian Lance Taylor  <iant@google.com>
626
627         PR middle-end/31710
628         * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
629         TYPE_MAX_VALUE exist, convert them to the new type.
630
631 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
632
633         * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
634         if it claims to be available.
635         * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
636         edge is redirected.
637         (perform_tree_ssa_dce): Always free postdominators.
638
639 2007-04-27  Richard Henderson  <rth@redhat.com>
640
641         * config/alpha/predicates.md (aligned_memory_operand): Mark
642         as define_special_predicate.
643         (unaligned_memory_operand, normal_memory_operand): Likewise.
644         (reg_or_unaligned_mem_operand): Remove.
645         (any_memory_operand): Match the documentation and check for
646         non-renumbered pseudos during reload.
647         * config/alpha/alpha.c (alpha_secondary_reload): Rename from
648         alpha_secondary_reload_class, update to new interface, make static.
649         Handle CQImode like HImode.  Remove FP subreg check.
650         (alpha_expand_mov): Use replace_equiv_address.
651         (alpha_expand_mov_nobwx): Use any_memory_operand.
652         (TARGET_SECONDARY_RELOAD): New.
653         * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
654         (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
655         * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
656         * config/alpha/alpha.md: ... here.
657         (RELOAD12, reloadmode): New.
658         (movcqi): New.
659         (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
660         Don't handle the aligned case here.
661         (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
662         (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
663         reload_inhi_help.  Don't expect a scratch register.
664         (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
665         reload_outhi_help.
666         * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
667
668 2007-04-27  Richard Guenther  <rguenther@suse.de>
669
670         * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
671
672 2007-04-27  Richard Guenther  <rguenther@suse.de>
673
674         PR tree-optimization/30965
675         PR tree-optimization/30978
676         * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
677         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
678         (find_equivalent_equality_comparison): Likewise.
679         (simplify_cond): Likewise.
680         (get_prop_source_stmt): New helper.
681         (get_prop_dest_stmt): Likewise.
682         (can_propagate_from): Likewise.
683         (remove_prop_source_from_use): Likewise.
684         (combine_cond_expr_cond): Likewise.
685         (forward_propagate_comparison): New function.
686         (forward_propagate_into_cond): Rewrite to use fold for
687         tree combining.
688         (tree_ssa_forward_propagate_single_use_vars): Call
689         forward_propagate_comparison to propagate comparisons.
690
691 2007-04-27  Richard Guenther  <rguenther@suse.de>
692
693         PR tree-optimization/31715
694         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
695         sure to do computation on the offset in an appropriate
696         signed type.
697
698 2007-04-27  Richard Sandiford  <richard@codesourcery.com>
699
700         * reload.h (elimination_target_reg_p): Declare.
701         * reload.c (find_reloads): Don't apply the reg_rtx move
702         optimization if the SET_DEST satisfies elimination_target_reg_p.
703         * reload1.c (elimination_target_reg_p): New function.
704         (gen_reload): In the move/add2 fallback, make sure that op0
705         does not overlap the destination register.
706
707 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
708
709         * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
710         transform only GIMPLE_MODIFY_STMTs.
711         * tree-complex.c (expand_complex_operations_1): Ditto.
712         (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
713         * tree-ssa-loop-manip.c (build_if_stmt): Removed.
714         (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
715         branches.
716         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
717         tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
718         * omp-low.c (expand_parallel_call, expand_omp_for_generic,
719         expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
720         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
721         slpeel_add_loop_guard): Ditto.
722         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
723         * lambda-code.c (perfect_nestify): Ditto.
724         * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
725         before the first statement.
726         * tree-optimize.c (execute_free_datastructures): Fix comments.
727         (execute_free_cfg_annotations): Do not call disband_implicit_edges.
728         * tree-flow.h (disband_implicit_edges): Declaration removed.
729         * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
730         branches.
731         (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
732         without gotos.
733         (disband_implicit_edges, has_label_p): Removed.
734         (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
735         (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
736         branches.
737         * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
738         side effects.
739         * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
740         also for COND_EXPRs.
741         * cfgexpand.c (label_rtx_for_bb): New function.
742         (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
743         Use label_rtx_for_bb to find the labels.
744         (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
745         last block.  Detect fallthru edges.
746
747 2007-04-26  Ian Lance Taylor  <iant@google.com>
748
749         PR target/28675
750         * reload.c (find_reloads_subreg_address): If the address was valid
751         in the original mode but not in the new mode, reload the whole
752         address.
753
754 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
755
756         * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
757         (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
758         (cleanup_control_expr_graph): Do not invalidate dominance info.
759         Record altered blocks.
760         (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
761         (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
762         cleanup_tree_cfg_bb): New functions.
763         (remove_forwarder_block): Do not maintain the worklist of blocks.
764         Record altered blocks.
765         (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
766         not over whole cfg.
767         (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1.  Only call
768         delete_unreachable_blocks if dominators are not available.
769         * tree-inline.c (optimize_inline_calls): Free dominance information
770         earlier.
771         * tree-flow.h (remove_edge_and_dominated_blocks,
772         cfgcleanup_altered_bbs): Altered.
773         * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
774         blocks.
775         (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
776         functions.
777         (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
778         do not invalidate dominators.
779
780 2007-04-26  Anatoly Sokolov <aesok@post.ru>
781
782         * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
783         ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
784         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
785         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
786
787 2007-04-26  Steve Ellcey  <sje@cup.hp.com>
788
789         * config/ia64/ia64.md (ip_value):  Fix itanium_class attribute.
790
791 2007-04-26  Richard Guenther  <rguenther@suse.de>
792
793         PR tree-optimization/31703
794         * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
795         the right type for the target of the bittest.
796
797 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
798
799         * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
800         ix86_sol10_return_in_memory.
801
802 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
803
804         * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
805         variables.
806
807 2007-04-26  Jakub Jelinek  <jakub@redhat.com>
808
809         PR c++/31598
810         * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
811
812         PR tree-optimization/30558
813         * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
814         clear this_state.prev_try.
815
816 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
817             Mark Mitchell  <mark@codesourcery.com>
818
819         * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
820         * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
821         * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
822
823 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
824
825         PR driver/31107
826         * doc/invoke.texi (%:print-asm-header): Document.
827         * gcc.c (asm_options): Use %:print-asm-header() for --target-help
828         and -ftarget-help.
829         (static_spec_functions): Add print-asm-header.
830         (main): Print a banner before the --target-help linker options.
831         (print_asm_header_spec_function): New function.
832
833 2007-04-25  Kaz Kojima  <kkojima@gcc.gnu.org>
834
835         PR target/31403
836         * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
837         (movsf_ie): Likewise.
838
839 2007-04-25  Paolo Carlini  <pcarlini@suse.de>
840
841         * doc/extend.texi ([Type Traits]): Adjust per N2255.
842
843 2007-04-25  Bob Wilson  <bob.wilson@acm.org>
844
845         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an exception
846         for divide-by-zero.
847         (__umodsi3, __modsi3): Likewise.
848
849 2007-04-25  Dirk Mueller  <dmueller@suse.de>
850
851         * c-typeck.c (build_compound_expr): Annotate warning()
852         call with OPT_Wunused_value.
853         * tree-ssa.c (warn_uninit): Annotate warning with
854         OPT_Wunintialized.
855         * c-common.c (handle_sentinel_attribute): Annotate warning
856         call with OPT_Wattributes.
857
858 2007-04-25  Thiemo Seufer  <ths@mips.com>
859
860         * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
861         (mips16): Fix typo.
862         * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
863         on to the assembler.  Improve handling of -mno-mips16.  Add handling
864         of -mno-mips3d, -mno-dsp, -mno-dspr2.
865         * doc/invoke.texi (MIPS Options): Whitespace cleanup.  Fix wrong use
866         of @itemx.  Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
867         -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
868
869 2007-04-25  Danny Smith  <dannysmith.users.sourceforge.net>
870
871         PR target/31680
872         * config/i386/winnt.c (i386_pe_file_end): Strip only
873         USER_LABEL_PREFIX when writing export name.
874
875 2007-04-25  Richard Sandiford  <richard@codesourcery.com>
876
877         * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h.  Include
878         sh/elf.h, vx-common.h and vxworks.h.
879         * config/sh/sh.h: Include config/vxworks-dummy.h.
880         (SUBTARGET_OVERRIDE_OPTIONS): Define.
881         (OVERRIDE_OPTIONS): Use it.
882         * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
883         (vxworks_picreg): New pattern.
884         * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
885         VXWORKS_OS_CPP_BUILTINS.
886         (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
887         to their VXWORKS_* equivalents.
888         (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
889         (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
890         * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
891         (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
892         * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
893         -mrtp/-fPIC multilibs.
894         (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
895         (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
896         (MULTILIB_OSDIRNAMES): Delete.
897
898 2007-04-25  Anatoly Sokolov <aesok@post.ru>
899
900         PR target/18989
901         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
902
903 2007-04-24  Brooks Moses  <brooks.moses@codesourcery.com>
904
905         * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
906         rounding mode to be specified by the caller.
907         (real_to_mpfr) Likewise.
908         * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
909         include new arguments.
910         * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
911
912 2007-04-24  Ian Lance Taylor  <iant@google.com>
913
914         PR tree-optimization/31605
915         * tree-vrp.c (set_value_range): Check that min and max are not
916         both overflow infinities.
917         (set_value_range_to_value): New static function.
918         (extract_range_from_binary_expr): Call set_value_range_to_value.
919         (extract_range_from_cond_expr): Likewise.
920         (extract_range_from_expr): Likewise.
921         (extract_range_from_unary_expr): Likewise.  Don't create a range
922         which overflows on both sides.
923         (vrp_meet): Check for a useless range.
924         (vrp_visit_phi_node): If we see a constant which looks like an
925         overflow infinity, turn off the TREE_OVERFLOW flag.
926
927 2007-04-24  Ian Lance Taylor  <iant@google.com>
928
929         * flow.c (elim_reg_cond): Handle a comparison of a subreg.
930
931 2007-04-24  Simon Martin  <simartin@users.sourceforge.net>
932
933         PR diagnostic/25923
934         * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
935         diagnostic message is being built.
936         * tree-pretty-print.c (dump_generic_node): Only write the
937         formatted text into BUFFER's stream if we are not building a
938         diagnostic message.
939         * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
940         dump_generic_node.
941         * Makefile.in (toplev.o): Depend on tree-pass.h.
942
943 2007-04-24  Ian Lance Taylor  <iant@google.com>
944
945         PR tree-optimization/31602
946         * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
947         conditionals in the copied loop header.
948         * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
949         warnings if TREE_NO_WARNING is set.
950         * doc/invoke.texi (Warning Options): Clarify that
951         -Wstrict-overflow does not warn about loops.
952
953 2007-04-24  Janis Johnson  <janis187@us.ibm.com>
954
955         * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
956         expand on the comment about _Decimal128 arguments and check the
957         integer result of the modulus operation; for 64-bit ELF ABI, ensure
958         that _Decimal128 argument uses even/odd register pair.
959         (function_arg): Ditto.
960
961 2007-04-24  Hui-May Chang <hm.chang@apple.com>
962
963         * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
964         instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
965
966 2007-04-24  Richard Guenther  <rguenther@suse.de>
967             Olga Golovanevsky  <olga@il.ibm.com>
968
969         * fold-const.c (multiple_of_p): Check for bottom
970         to be zero.
971
972 2007-04-24  Richard Henderson  <rth@redhat.com>
973
974         * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
975         IS_IBM_EXTENDED.  Also define in terms of WIDEST_HARDWARE_FP_SIZE.
976         * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
977         looking for non-zero bits shifted out.  Avoid a recursive call
978         when constructing the scalar.
979         (__floatundisf): Likewise.
980
981 2007-04-24  Nathan Froyd  <froydnj@codesourcery.com>
982
983         * dwarf2out.c (field_byte_offset): Move the existing logic
984         under the control of PCC_BITFIELD_TYPE_MATTERS and just use
985         the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
986
987 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
988
989         PR target/31641
990         * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length
991         argument of 0 for memset.
992         (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
993         unsigned shift instead of the signed variant.
994
995 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
996
997         * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
998         "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
999         "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
1000         "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
1001         "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
1002         "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
1003         "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
1004         "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
1005         "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
1006         ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
1007         "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
1008         "mul<mode>3", "div<mode>3"): Insn definitions added.
1009         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
1010         "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
1011         to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
1012         ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
1013         "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
1014         "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
1015         ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
1016         * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
1017         TARGET_FLOAT_FORMAT): Macro definitions removed.
1018         (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
1019         * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
1020         z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
1021         (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
1022         (s390_gen_rtx_const_DI): Function removed.
1023         * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
1024
1025 2007-04-24  Richard Sandiford  <richard@codesourcery.com>
1026
1027         * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
1028         over an external ffs function.
1029
1030 2007-04-24  Chao-ying Fu  <fu@mips.com>
1031             Richard Sandiford  <richard@nildram.co.uk>
1032
1033         * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
1034         * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
1035         (smadd_widen_optab, umadd_widen_optab): Define.
1036         * optabs.c (init_optabs): Initialize smadd_widen_optab and
1037         umadd_widen_optab.
1038         * genopinit.c (optabs): Fill in smadd_widen_optab and
1039         umadd_widen_optab.
1040         * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
1041         and umadd_widen_optab to implement multiply-add sequences.
1042         * config/mips/mips.md (*<su>mul_acc_di): Rename to...
1043         (<u>maddsidi4): ...this.  Extend condition to include
1044         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
1045         of operand 0 to "ka" and use the three-operand form of madd<u>
1046         for TARGET_DSPR2.
1047         * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
1048         to define_expands.
1049         * config/mips/constraints.md (ka): New register constraint.
1050
1051 2007-04-24  Jan Hubicka  <j@suse.cz>
1052
1053         Revert:
1054
1055         2007-04-23  Jan Hubicka  <jh@suse.cz>
1056         * function.c (init_function_start): Don't init line number info.
1057         (expand_function_end): Update.
1058         (reset_block_changes, record_block_change, finalize_block_changes,
1059         check_block_change, free_block_changes): Kill.
1060         * function.h (reset_block_changes, record_block_change,
1061         finalize_block_changes, check_block_change, free_block_changes): Remove
1062         prototypes.
1063         (struct function): Remove ib_boundaries_block.
1064         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
1065         Use curr_insn_locator to initialize locator.
1066         (emit_line_note): Remove.
1067         * cfgexpand.c (expand_gimple_cond_expr): Update.
1068         (construct_exit_block): Likewise.
1069         (tree_expand_cfg): Initialize/finalize locators.
1070         * expr.c (expand_expr_real): Update.
1071         * cfglayout.c (line_locators_locs, line_locators_lines,
1072         file_locators_locs, file_locators_files): Remove.
1073         (set_block_levels): Move to cfgexpand.c.
1074         (insn_locators_initialize): Remove.
1075         (pass_insn_locators_initialize): Remove.
1076         (locations_locators_locs, locations_locators_vals): New static vars.
1077         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
1078         Likewise.
1079         (insn_locators_alloc, insn_locators_finalize,
1080         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1081         New functions.
1082         (locator_location): New.
1083         (locator_line, locator_file): Rewrite.
1084         * rtl.h (emit_line_note): Kill.
1085         (insn_locators_alloc, insn_locators_finalize,
1086         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1087         Declare.
1088         * tree-inline.c (initialize_cfun): Do not initialize
1089         ib_boundaries_block.
1090         * passes.c (pass_insn_locators_initialize): Remove.
1091
1092 2007-04-24  Daniel Franke  <franke.daniel@gmail.com>
1093
1094         * doc/invoke.texi: Removed leading '-' from option index entries.
1095
1096 2007-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
1097
1098         * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
1099         Use phi_nodes_ptr.
1100         (create_phi_node): Use set_phi_nodes.
1101         * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
1102         * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
1103         (combine_blocks):  Use bb_stmt_list and set_bb_stmt_list.
1104         * tree-flow-inline.h (phi_nodes, set_phi_nodes,
1105         (bsi_start, bsi_last): Use bb_stmt_list.
1106         (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
1107         * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
1108         Traverse the statements using tsi iterator.
1109         * basic-block.h (struct basic_block_def): Fields stmt_list
1110         and phi_nodes moved to ...
1111         (struct tree_bb_info): ... new structure.
1112         * tree-cfg.c (create_bb): Allocate il.tree.  Use set_bb_stmt_list.
1113         (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
1114         (remove_bb): Handle blocks with NULL stmt list.  Clear il.tree field.
1115         (tree_verify_flow_info): Verify that il.tree is not set for
1116         entry and exit block.
1117         (tree_split_block): Use set_bb_stmt_list.
1118
1119 2007-04-23  Mike Stump  <mrs@apple.com>
1120
1121         * config/i386/i386.c (ix86_tune_features
1122         [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
1123         nocona and core2.
1124
1125 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
1126
1127         * config/i386/i386.md (prefix_extra): New attribute.
1128         (length): Add prefix_extra.
1129
1130         * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
1131         (sse2_movntv2di): Likewise.
1132         (sse2_cvtps2dq): Likewise.
1133         (sse2_cvtpd2pi): Likewise.
1134         (sse2_cvttpd2pi): Likewise.
1135         (*sse2_cvtpd2ps): Likewise.
1136         (*add<mode>3): Likewise.
1137         (sse2_ssadd<mode>3): Likewise.
1138         (sse2_usadd<mode>3): Likewise.
1139         (*sub<mode>3): Likewise.
1140         (sse2_sssub<mode>3): Likewise.
1141         (sse2_ussub<mode>3): Likewise.
1142         (*mulv8hi3): Likewise.
1143         (*smulv8hi3_highpart): Likewise.
1144         (*umulv8hi3_highpart): Likewise.
1145         (sse2_umulv2siv2di3): Likewise.
1146         (sse2_pmaddwd): Likewise.
1147         (ashr<mode>3): Likewise.
1148         (lshr<mode>3): Likewise.
1149         (ashl<mode>3): Likewise.
1150         (sse2_ashlti3): Likewise.
1151         (sse2_lshrti3): Likewise.
1152         (*umaxv16qi3): Likewise.
1153         (*smaxv8hi3): Likewise.
1154         (*uminv16qi3): Likewise.
1155         (*sminv8hi3): Likewise.
1156         (sse2_eq<mode>3): Likewise.
1157         (sse2_gt<mode>3): Likewise.
1158         (*and<mode>3): Likewise.
1159         (sse2_nand<mode>3): Likewise.
1160         (*ior<mode>3): Likewise.
1161         (*xor<mode>3): Likewise.
1162         (sse2_packsswb): Likewise.
1163         (sse2_packssdw): Likewise.
1164         (sse2_packuswb): Likewise.
1165         (sse2_punpckhbw): Likewise.
1166         (sse2_punpcklbw): Likewise.
1167         (sse2_punpckhwd): Likewise.
1168         (sse2_punpcklwd): Likewise.
1169         (sse2_punpckhdq): Likewise.
1170         (sse2_punpckldq): Likewise.
1171         (sse2_punpckhqdq): Likewise.
1172         (sse2_punpcklqdq): Likewise.
1173         (*sse2_pinsrw): Likewise.
1174         (*sse2_pextrw): Likewise.
1175         (sse2_pshufd_1): Likewise.
1176         (sse2_uavgv16qi3): Likewise.
1177         (sse2_uavgv8hi3): Likewise.
1178         (sse2_psadbw): Likewise.
1179         (sse2_pmovmskb): Likewise.
1180         (*sse2_maskmovdqu): Likewise.
1181         (*sse2_maskmovdqu_rex64): Likewise.
1182         (sse4a_extrqi): Likewise.
1183         (sse4a_extrq): Likewise.
1184         (sse3_lddqu): Set prefix_rep.
1185         (sse3_addsubv4sf3): Likewise.
1186         (sse3_haddv4sf3): Likewise.
1187         (sse3_hsubv4sf3): Likewise.
1188         (sse_cvtss2si): Likewise.
1189         (sse_cvtss2si_2): Likewise.
1190         (sse_cvtss2siq): Likewise.
1191         (sse_cvtss2siq_2): Likewise.
1192         (sse_cvttss2si): Likewise.
1193         (sse_cvttss2siq): Likewise.
1194         (sse2_cvttps2dq): Likewise.
1195         (sse3_movshdup): Likewise.
1196         (sse3_movsldup): Likewise.
1197         (sse2_cvtsd2si): Likewise.
1198         (sse2_cvtsd2si_2): Likewise.
1199         (sse2_cvtsd2siq): Likewise.
1200         (sse2_cvtsd2siq_2): Likewise.
1201         (sse2_cvttsd2si): Likewise.
1202         (sse2_cvttsd2siq): Likewise.
1203         (*sse2_cvtpd2dq): Likewise.
1204         (*sse2_cvttpd2dq): Likewise.
1205         (sse2_pshuflw_1): Likewise.
1206         (sse2_pshufhw_1): Likewise.
1207         (sse4a_insertqi): Likewise.
1208         (sse4a_insertq): Likewise.
1209         (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
1210         (ssse3_phadddv4si3): Likewise.
1211         (ssse3_phaddswv8hi3): Likewise.
1212         (ssse3_phsubwv8hi3): Likewise.
1213         (ssse3_phsubdv4si3): Likewise.
1214         (ssse3_phsubswv8hi3): Likewise.
1215         (ssse3_pmaddubswv8hi3): Likewise.
1216         (ssse3_pmulhrswv8hi3): Likewise.
1217         (ssse3_pshufbv16qi3): Likewise.
1218         (ssse3_psign<mode>3): Likewise.
1219         (ssse3_palignrti): Likewise.
1220         (abs<mode>2): Likewise.
1221         (ssse3_phaddwv4hi3): Set prefix_extra.
1222         (ssse3_phadddv2si3): Likewise.
1223         (ssse3_phaddswv4hi3): Likewise.
1224         (ssse3_phsubwv4hi3): Likewise.
1225         (ssse3_phsubdv2si3): Likewise.
1226         (ssse3_phsubswv4hi3): Likewise.
1227         (ssse3_pmaddubswv4hi3): Likewise.
1228         (ssse3_pmulhrswv4hi3): Likewise.
1229         (ssse3_pshufbv8qi3): Likewise.
1230         (ssse3_psign<mode>3): Likewise.
1231         (ssse3_palignrdi): Likewise.
1232         (abs<mode>2): Likewise.
1233         (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
1234         (*vec_dupv2df): Set mode to V2DF instead of V4SF.
1235         (sse2_pmovmskb): Set mode to SI instead of V2DF.
1236
1237 2007-04-23  Nick Clifton  <nickc@redhat.com>
1238
1239         * params.def: Fix formatting of emacs local variables.
1240
1241 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
1242
1243         * config/i386/sse.md (sse2_stored): Don't split to inter-unit
1244         move if inter-unit move isn't allowed.
1245         Don't split moving the first element of V2DI to DI to inter-unit
1246         move if inter-unit move isn't allowed.
1247
1248 2007-04-23  Richard Guenther  <rguenther@suse.de>
1249
1250         * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
1251         and CDI_POST_DOMINATORS separately.
1252
1253 2007-04-23  Nick Clifton  <nickc@redhat.com>
1254
1255         * c.opt (Wformat-contains-nul): Add warning attribute.
1256
1257 2007-04-23  Jan Hubicka  <jh@suse.cz>
1258
1259         * function.c (init_function_start): Don't init line number info.
1260         (expand_function_end): Update.
1261         (reset_block_changes, record_block_change, finalize_block_changes,
1262         check_block_change, free_block_changes): Kill.
1263         * function.h (reset_block_changes, record_block_change,
1264         finalize_block_changes, check_block_change, free_block_changes): Remove
1265         prototypes.
1266         (struct function): Remove ib_boundaries_block.
1267         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
1268         Use curr_insn_locator to initialize locator.
1269         (emit_line_note): Remove.
1270         * cfgexpand.c (expand_gimple_cond_expr): Update.
1271         (construct_exit_block): Likewise.
1272         (tree_expand_cfg): Initialize/finalize locators.
1273         * expr.c (expand_expr_real): Update.
1274         * cfglayout.c (line_locators_locs, line_locators_lines,
1275         file_locators_locs, file_locators_files): Remove.
1276         (set_block_levels): Move to cfgexpand.c.
1277         (insn_locators_initialize): Remove.
1278         (pass_insn_locators_initialize): Remove.
1279         (locations_locators_locs, locations_locators_vals): New static vars.
1280         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
1281         Likewise.
1282         (insn_locators_alloc, insn_locators_finalize,
1283         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1284         New functions.
1285         (locator_location): New.
1286         (locator_line, locator_file): Rewrite.
1287         * rtl.h (emit_line_note): Kill.
1288         (insn_locators_alloc, insn_locators_finalize,
1289         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1290         Declare.
1291         * tree-inline.c (initialize_cfun): Do not initialize
1292         ib_boundaries_block.
1293         * passes.c (pass_insn_locators_initialize): Remove.
1294
1295 2007-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1296
1297         PR middle-end/31448
1298         * expr.c (reduce_to_bit_field_precision): Handle
1299         CONST_INT rtx's.
1300
1301 2007-04-22  Uros Bizjak  <ubizjak@gmail.com>
1302
1303         PR tree-optimization/24659
1304         * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
1305         OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
1306         (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
1307         * genopinit.c (optabs): Rename vec_pack_mod_optab
1308         to vec_pack_trunc_optab.
1309         * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
1310         early for scalar floating point operands for NOP_EXPR.
1311         (vectorizable_type_promotion): Ditto.
1312         * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
1313         vec_pack_trunc_optab.
1314         (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
1315
1316         * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
1317         * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
1318         Rename from VEC_PACK_MOD_EXPR.
1319         (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
1320         * expr.c (expand_expr_real_1): Ditto.
1321         * tree-inline.c (estimate_num_insns_1): Ditto.
1322         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
1323
1324         * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
1325         (vec_unpacks_lo_v4sf): Ditto.
1326         (vec_pack_trunc_v2df): Ditto.
1327         (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
1328         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
1329         (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
1330
1331         * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
1332         vec_pack_mod_v8hi.
1333         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
1334
1335         * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
1336         Rename from VEC_PACK_MOD_EXPR.  This expression also represent
1337         packing of floating point operands.
1338         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
1339         represent unpacking of floating point operands.
1340         * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
1341         [vec_unpacks_hi]: Ditto.
1342         [vec_unpacks_lo]: Ditto.
1343
1344 2007-04-22  Jan Hubicka  <jh@suse.cz>
1345
1346         * final.c (rest_of_handle_final): Call
1347         targetm.asm_out.constructor/targetm.asm_out.destructor
1348         * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
1349         proper priority via decl_*_priority_insert.
1350         * c-common.c (c_expand_body): Likewise.
1351
1352 2007-04-22  Richard Guenther  <rguenther@suse.de>
1353
1354         PR tree-optimization/29789
1355         * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
1356         (rewrite_reciprocal): New helper split out from
1357         determine_invariantness_stmt.
1358         (rewrite_bittest): Likewise.
1359         (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
1360         A & (1 << B) if (1 << B) is loop invariant but (A >> B)
1361         is not.
1362
1363 2007-04-22  Revital Eres  <eres@il.ibm.com>
1364
1365         * loop-unroll.c (var_to_expand): New field to support also
1366         insns of the form x = something + x.
1367         (analyze_insn_to_expand_var): Use it.
1368         (expand_var_during_unrolling): Likewise.
1369
1370 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
1371
1372         * predict.c: Include pointer-set.h.
1373         (bb_predictions): New variable.
1374         (tree_predicted_by_p, tree_predict_edge,
1375         remove_predictions_associated_with_edge): Use bb_predictions map
1376         instead of bb->predictions.
1377         (clear_bb_predictions, assert_is_empty): New functions.
1378         (combine_predictions_for_bb): Use bb_predictions map.  Call
1379         clear_bb_predictions.
1380         (tree_estimate_probability): Create and free bb_predictions map.
1381         * Makefile.in (predict.o): Add pointer-set.h dependency.
1382         * basic-block.h (struct basic_block_def): Remove predictions
1383         field.
1384         * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
1385
1386 2007-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
1387
1388         PR target/31480
1389         * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
1390         is null.
1391
1392 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1393
1394         * timevar.c (timevar_print): Change reference of --disable-checking to
1395         --enable-checking=release.  Also warn if assert checking is disabled.
1396
1397 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1398
1399         PR C/30265
1400         * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
1401         decl as addressable if the compound literal was marked as
1402         addressable.
1403         Mark the decl as a gimple register if it is a complex or
1404         vector decl and does not live in memory.
1405
1406 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1407
1408         * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
1409         (GENERIC_NEXT): New function macro.
1410         (PHI_CHAIN): Use phi_node's new chain variable.
1411         (tree_phi_node): Change tree_common to tree_base
1412         and add the chain field.
1413         * tree-phinodes.c (make_phi_node): Don't set
1414         TREE_TYPE on the new node.
1415         * c-decl.c (lang_tree_node): Use GENERIC_NEXT
1416         instead of checking GIMPLE_TUPLE_P in chain_next.
1417         * tree-vect-transform.c
1418         (get_initial_def_for_induction): Look at
1419         PHI_RESULT_TREE for the type of the phi node.
1420         (update_vuses_to_preheader): Use PHI_CHAIN
1421         instead of TREE_CHAIN on the phi node.
1422         * tree-ssa-structalias.c (compute_points_to_sets):
1423         Likewise.
1424         (ipa_pta_execute): Likewise.
1425
1426 2007-04-21  Richard Guenther  <rguenther@suse.de>
1427
1428         PR middle-end/31136
1429         * fold-const.c (fold_unary): Call fold_convert_const on the
1430         original tree.
1431
1432 2007-04-21  Alexandre Oliva  <aoliva@redhat.com>
1433
1434         * gcse.c (store_killed_in_insn): Handle PARALLELs.
1435         (store_killed_in_pat): New.
1436
1437 2007-04-20  Richard Henderson  <rth@redhat.com>
1438
1439         PR target/31628
1440         * config/i386/i386.c (type_has_variadic_args_p): Look for any
1441         TREE_LIST with a void_type_node value, not void_list_node exactly.
1442
1443 2007-04-21  Douglas Gregor  <doug.gregor@gmail.com>
1444
1445         * doc/standards.texi: Re-arrange into language-specific
1446         subsections. Add a C++ section, documenting which standards we
1447         support.
1448
1449 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
1450
1451         * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
1452         * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
1453
1454 2007-04-20  Daniel Jacobowitz  <dan@codesourcery.com>
1455
1456         * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
1457         ecrti.o and crtbegin.o.
1458         (LIB_DEFAULT_SPEC): Include -lc.
1459         (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
1460
1461 2007-04-20  Richard Henderson  <rth@redhat.com>
1462
1463         PR target/28623
1464         * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
1465         argument; update all callers.
1466         (get_unaligned_offset): New.
1467         * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
1468         get_unaligned_address, just pass on the address directly.
1469         (unaligned_extendqidi): Use gen_lowpart instead of open-coding
1470         the subreg in the helper patterns.
1471         (unaligned_extendqidi_le): Use get_unaligned_offset.
1472         (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
1473         (unaligned_extendhidi_be): Likewise.
1474         (unaligned_extendhidi): Tidy.
1475         * config/alpha/alpha-protos.h: Update.
1476
1477 2007-04-20  Richard Henderson  <rth@redhat.com>
1478
1479         * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
1480         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
1481         * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
1482         * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1483         * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1484         (CPP_SPEC): Don't include %(cpp_subtarget).
1485         * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
1486         (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1487         * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
1488
1489 2007-04-20  Jakub Jelinek  <jakub@redhat.com>
1490
1491         * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
1492         for __builtin_ia32_cmpordss.
1493
1494         PR tree-optimization/31632
1495         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
1496         and arg1 for optimizations of comparison against min/max values.
1497         Fold arg0 to arg1's type for optimizations of comparison against
1498         min+1 and max-1 values.
1499
1500 2007-04-19  Bernd Schmidt  <bernd.schmidt@analog.com>
1501
1502         * reload.c (combine_reloads): When trying to use a dying register,
1503         check whether it's uninitialized and don't use if so.
1504
1505 2007-04-19  Brooks Moses  <brooks.moses@codesourcery.com>
1506
1507         * fold-const.c: Remove prototypes for native_encode_expr and
1508         native_interpret_expr.
1509         (native_encode_expr): Make non-static.
1510         (native_interpret_expr): Likewise.
1511         * tree.h: Add prototypes for the above.
1512
1513 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
1514
1515         * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
1516         *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
1517         *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
1518         spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
1519         tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
1520         Add length attributes.
1521
1522 2007-04-19  Janis Johnson  <janis187@us.ibm.com>
1523
1524         * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
1525         not that it is 1.
1526
1527         * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
1528         __STDC_WANT_DEC_FP__.
1529
1530 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
1531
1532         * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
1533         for long double compatibility.
1534         * configure: Regenerate.
1535
1536 2007-04-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
1537
1538         PR rtl-optimization/29841
1539         * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
1540         trap instructions.
1541         * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
1542         that may cause control flow transfer from being moved.
1543
1544 2007-04-18  Jan Hubicka  <jh@suse.cz>
1545
1546         * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
1547         types.
1548
1549 2007-04-18  Eric Christopher  <echristo@apple.com>
1550
1551         * config/rs6000/darwin.md (load_macho_picbase): Use link register
1552         only. Update operands.
1553         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
1554         * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
1555         link register to pic register.
1556
1557 2007-04-18  Dirk Mueller  <dmueller@suse.de>
1558
1559         PR diagnostic/31227
1560         * tree-vrp.c (search_for_addr_array): New.
1561         (check_array_bounds): Suppress warning about
1562         address taken of array refs if its not de-referenced.
1563
1564 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1565
1566         * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
1567         * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
1568
1569         * tree-vectorizer.h (NITERS_KNOWN_P): New.
1570         * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
1571         instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
1572
1573         * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
1574         dump print.
1575         (vect_analyze_operations): Fix indenetation.  Fix a comment.  Fix a
1576         print message.
1577         (vect_analyze_scalar_cycles): Fix indentation.
1578         (vect_enhance_data_refs_alignment): Fix check in case of peeling.
1579         (vect_mark_relevant): Include phis in relevance analysis.
1580
1581         * tree-vect-transform.c (vect_transform_loop): Add an assert.
1582
1583 2007-04-18  Anatoly Sokolov <aesok@post.ru>
1584
1585         * config/avr/avr.c (ptrreg_to_str): Replace error() with
1586         output_operand_lossage().
1587
1588 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1589
1590         * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
1591         the unused code for reduction without adjust-in-epilog to simplify the
1592         function.
1593
1594 2007-04-18  Wolfgang Gellerich  <gellerich@de.ibm.com>
1595
1596         * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
1597         (S390_TDC_NEGATIVE_ZERO): New constant.
1598         (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
1599         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
1600         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
1601         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
1602         (S390_TDC_POSITIVE_INFINITY): New constant.
1603         (S390_TDC_NEGATIVE_INFINITY): New constant.
1604         (S390_TDC_POSITIVE_QUIET_NAN): New constant.
1605         (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
1606         (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
1607         (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
1608         (S390_TDC_INFINITY): New constant.
1609         * config/s390/s390.c (s390_canonicalize_comparison): Renamed
1610         UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
1611         optimization for UNSPEC_CCZ_TO_INT.
1612         * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
1613         ("*ccz_to_int"): New insn.
1614         ("isinf<mode>2"): New insn.
1615         (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
1616         (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
1617         (UNSPEC_CCZ_TO_INT): New constant.
1618
1619 2007-04-18  Richard Guenther  <rguenther@suse.de>
1620
1621         PR tree-optimization/19431
1622         PR tree-optimization/21463
1623         * tree-pass.h (pass_phiprop): Declare.
1624         * passes.c (init_optimization_passes): New phiprop pass.
1625         * tree-ssa-forwprop.c (struct phiprop_d): New structure.
1626         (phivn_valid_p): New helper function.
1627         (phiprop_insert_phi): Likewise.
1628         (propagate_with_phi): Likewise.
1629         (tree_ssa_phiprop): New propagator propagating loads
1630         through phi nodes if profitable.
1631
1632 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1633
1634         * tree-vect-analyze.c (process_use): New function.
1635         (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
1636         Check phis in all bbs.
1637         * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
1638         assert.
1639
1640 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
1641
1642         * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
1643         we use REG_EQUAL.
1644
1645 2007-04-17  Anatoly Sokolov <aesok@post.ru>
1646
1647         PR target/30483
1648         * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
1649         error().
1650
1651 2007-04-17  H.J. Lu  <hongjiu.lu@intel.com>
1652
1653         * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
1654         on "0".
1655         (sse_vmmulv4sf3): Likewise.
1656         (sse2_vmaddv2df3): Likewise.
1657         (sse2_vmmulv2df3): Likewise.
1658
1659 2007-04-17  Zdenek Dvorak  <dvorakz@suse.cz>
1660
1661         PR rtl-optimization/31360
1662         * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
1663         (target_reg_cost): New.
1664         (init_set_costs): Initialize target_reg_cost.  Add comments
1665         regarding the rationale of the costs.
1666         (global_cost_for_size): Renamed to...
1667         (estimate_reg_pressure_cost): ... and simplify.  Decrease importance
1668         of register pressure.
1669         * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
1670         estimate_reg_pressure_cost.  Add number of ivs.
1671         (determine_set_costs): Dump target_reg_cost.
1672         * loop-invariant.c (gain_for_invariant):  Use
1673         estimate_reg_pressure_cost.  Removed n_inv_uses argument.
1674         (best_gain_for_invariant, find_invariants_to_move): Remove
1675         n_inv_uses.
1676         * cfgloop.h (target_small_cost, target_pres_cost): Removed.
1677         (target_reg_cost): Declare.
1678         (global_cost_for_size): Declaration removed.
1679         (estimate_reg_pressure_cost): Declare.
1680
1681 2007-04-17  Peter Bergner  <bergner@vnet.ibm.com>
1682
1683         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
1684         regnos into even/odd register pairs.
1685         * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
1686         TDmode similar to the other floating point modes.
1687         [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
1688         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
1689         define_expand's.
1690         (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
1691         nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
1692         (movdd_hardfloat64): Use TARGET_MFPGPR.
1693
1694 2007-04-17  Bernd Schmidt  <bernd.schmidt@analog.com>
1695
1696         * reload1.c (delete_output_reload): Don't count output in n_inherited.
1697
1698         Revert
1699         2005-01-05  Richard Henderson  <rth@redhat.com>
1700         PR rtl-opt/10692
1701         * reload1.c (do_input_reload): Restrict the optimization deleteing
1702         a previous output reload to RELOAD_FOR_INPUT.
1703
1704 2007-04-17  Dorit Nuzman  <dorit@il.ibm.com>
1705
1706         * tree-vectorizer.h (stmt_vec_info_type): Add enum value
1707         induc_vec_info_type.
1708         (vectorizable_induction): New function declaration.
1709         * tree-vect-transform.c (get_initial_def_for_induction): No need to
1710         check if already vectorized.  Find first place in BB where new stmts
1711         can be inserted.  Takes only one argument.
1712         (vectorizable_induction): New function.
1713         (vect_transform_stmt): Add case for induc_vec_info_type to call
1714         vectorizable_induction.
1715         (vect_transform_loop): Consider phis for vectorization.
1716         * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
1717         condition.
1718         (analyze_operations): Call vectorizable_induction when analyzing phis.
1719         Fix comment.
1720         (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
1721         (vect_mark_relevant): Include phis in relevance analysis.
1722         (vect_mark_stmts_to_be_vectorize): Likewise.
1723         * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
1724
1725 2007-04-16  Lawrence Crowl  <crowl@google.com>
1726
1727         * doc/invoke.texi (Debugging Options): Add documentation for the
1728         -femit-struct-debug options -femit-struct-debug-baseonly,
1729         -femit-struct-debug-reduced, and
1730         -femit-struct-debug-detailed[=...].
1731
1732         * c-opts.c (c_common_handle_option): Add
1733         OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
1734         and OPT_femit_struct_debug_detailed_.
1735         * c.opt: Add specifications for
1736         -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
1737         and -femit-struct-debug-detailed[=...].
1738         * opts.c (set_struct_debug_option): Parse the
1739         -femit-struct-debug-... options.
1740         * opts.c (matches_main_base, main_input_basename,
1741         main_input_baselength, base_of_path, matches_main_base): Add
1742         variables and functions to compare header base name to compilation
1743         unit base name.
1744         * opts.c (should_emit_struct_debug): Add to determine to emit a
1745         structure based on the option.
1746         (dump_struct_debug) Also disabled function to debug this
1747         function.
1748         * opts.c (handle_options): Save the base name of the
1749         compilation unit.
1750
1751         * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
1752         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
1753         This hook indicates if a type is generic.  Set it by default
1754         to "never generic".
1755         * langhooks.h (struct lang_hooks_for_types): Add a new hook
1756         to determine if a struct type is generic or not.
1757         * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
1758         * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
1759         * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
1760         with live C++ hook.
1761
1762         * flags.h (enum debug_info_usage): Add an enumeration to describe
1763         a program's use of a structure type.
1764         * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
1765         to indicate the program's usage of the type.  Filter structs based
1766         on the -femit-struct-debug-... specification.
1767         (gen_type_die): Split into two routines, gen_type_die and
1768         gen_type_die_with_usage.  gen_type_die is now a wrapper
1769         that assumes direct usage.
1770         (gen_type_die_with_usage): Replace calls to gen_type_die
1771         with gen_type_die_with_usage adding the program usage of
1772         the referenced type.
1773         (dwarf2out_imported_module_or_decl): Suppress struct debug
1774         information using should_emit_struct_debug when appropriate.
1775
1776 2007-04-16  Ian Lance Taylor  <iant@google.com>
1777
1778         PR tree-optimization/31522
1779         * tree-vrp.c (vr_phi_edge_counts): New static variable.
1780         (vrp_initialize): Allocate vr_phi_edge_counts.
1781         (vrp_visit_phi_node): Don't push to infinity if we saw a new
1782         executable edge.  Drop test for all constants.
1783         (vrp_finalize): Free vrp_phi_edge_counts.
1784
1785         * doc/cpp.texi (Common Predefined Macros): Clarify description of
1786         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
1787
1788         * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
1789         predecessors at head rather than tail.
1790
1791 2007-04-16  Matthias Klose  <doko@debian.org>
1792
1793         * config/alpha/linux.h (CPP_SPEC): Define.
1794         * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
1795
1796 2007-04-16  Aldy Hernandez  <aldyh@redhat.com>
1797
1798         * function.h: Remove sequence_stack extern declaration.
1799
1800 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
1801
1802         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
1803         TARGET_FIDOA.
1804         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
1805         defined.
1806
1807 2007-04-16  Anatoly Sokolov <aesok@post.ru>
1808
1809         * config/avr/avr.c (avr_arch_types): Rearranging  array.
1810         (enum avr_arch): Add.
1811         (avr_mcu_types): Use avr_arch enumeration constants instead of
1812         numbers.
1813         * config/avr/avr.h (LINK_SPEC): Simplify.
1814
1815 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
1816
1817         * config/m68k/m68k.c (m68k_libcall_value,
1818         m68k_function_value): Use macros for register names more.
1819
1820         * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
1821         instead.
1822         (M68K_REGNAME): Use A6_REG.
1823         * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
1824
1825 2007-04-16  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
1826
1827         PR middle-end/28071
1828         * sched-int.h (struct deps): Split field 'pending_lists_length' into
1829         'pending_read_list_length' and 'pending_write_list_length'.  Update
1830         comment.
1831         * sched-deps.c (add_insn_mem_dependence): Change signature.  Update
1832         to handle two length counters instead of one.  Update all uses.
1833         (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
1834         two length counters instead of one.
1835         * sched-rgn.c (propagate_deps): Update to handle two length counters
1836         instead of one.
1837
1838 2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>
1839
1840         PR target/31582
1841         * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
1842         copy of source, pass it to ix86_expand_vector_set and return
1843         it as target.
1844
1845 2007-04-16  David Ung  <davidu@mips.com>
1846             Joseph Myers  <joseph@codesourcery.com>
1847
1848         * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
1849         PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
1850         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
1851         Add 74K processor information.
1852         * config/mips/mips.md: Include 74k.md.
1853         (cpu): Add 74kc,74kf,74kx.
1854         (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
1855         * config/mips/74k.md: New.
1856         * doc/invoke.texi (MIPS Options): Document 74K support.
1857
1858 2007-04-16  Dorit Nuzman  <dorit@il.ibm.com>
1859
1860         * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
1861         vectorizable_* functions.
1862         * tree-vect-transform.c (vectorizable_call): Add check for
1863         STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
1864         (vectorizable_store): likewise.
1865         (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
1866         Add comments.
1867         (vectorizable_operation, vectorizable_type_demotion): Likewise.
1868         (vectorizable_type_promotion, vectorizable_load): Likewise.
1869         (vectorizable_live_operation, vectorizable_condition): Likewise.
1870         (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
1871         STMT_VINFO_LIVE_P.
1872         (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
1873
1874 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1875
1876         * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
1877         register numbers more.
1878         * config/m68k/m68k.h (STACK_POINTER_REGNUM,
1879         FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
1880         M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
1881         FUNCTION_VALUE_REGNO_P): Likewise.
1882         * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
1883         STATIC_CHAIN_REGNUM): Likewise.
1884         * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
1885         * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
1886         STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
1887         * config/m68k/m68k.md (FP_REG): New.
1888
1889 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1890
1891         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
1892         alignment on fido.
1893
1894 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1895
1896         * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
1897         tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
1898         comment typos.
1899
1900 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
1901
1902         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
1903         cold loops.
1904
1905 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1906
1907         PR c/31520
1908         * c-decl.c (finish_decl): Grab the type of the decl after the call
1909         to store_init_value.
1910
1911 2007-04-14  Steven Bosscher  <steven@gcc.gnu.org>
1912
1913         * common.opt (fforward-propagate): Fix "Optimization" annotation.
1914
1915 2007-04-14  Jakub Jelinek  <jakub@redhat.com>
1916
1917         PR c++/25874
1918         * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
1919         post dominators and cleanup cfg before returning.
1920
1921 2007-04-14  Bernd Schmidt  <bernd.schmidt@analog.com>
1922
1923         * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
1924         * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
1925
1926 2007-04-14  Kazu Hirata  <kazu@codesourcery.com>
1927
1928         * config.gcc: Recognize fido.
1929         * config/m68k/m68k-devices.def (fidoa): New.
1930         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
1931         __mfido__.
1932         (FL_FIDOA, TARGET_FIDOA): New.
1933         * config/m68k/m68k.opt (mfidoa): New.
1934
1935 2007-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1936
1937         PR middle-end/31322
1938         * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
1939         when a personality function is used.
1940
1941 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
1942
1943         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
1944
1945 2007-04-13  Mike Stump  <mrs@apple.com>
1946
1947         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
1948         we can...
1949         * config/darwin.opt (fapple-kext): Make C++ only.
1950         * config/darwin.c (darwin_override_options): Remove code to ensure
1951         -fapple-kext is given for C++ only.
1952
1953 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
1954
1955         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
1956         * config/mips/mips.c (override_options): Call
1957         SUBTARGET_OVERRIDE_OPTIONS, if defined.
1958
1959 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1960
1961         * config/i386/i386.opt (msvr3-shlib): Removed.
1962
1963         * doc/invoke.texi: Remove -msvr3-shlib.
1964
1965 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1966
1967         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
1968         with "popcnt" instruction.
1969
1970 2007-04-13  Richard Guenther  <rguenther@suse.de>
1971
1972         PR tree-optimization/21258
1973         * tree-vrp.c (compare_case_labels): New helper.
1974         (find_switch_asserts): New function.
1975         (find_assert_locations): Call it for SWITCH_EXPRs.
1976
1977 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
1978
1979         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
1980         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
1981         check is now implied in X87_FLOAT_MODE_P.
1982         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
1983         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
1984         (fix_trunc<mode>_i386_fisttp): Ditto.
1985         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
1986         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
1987         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
1988         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
1989         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
1990         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
1991         (unnamed_splitters): Ditto.
1992         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
1993         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
1994         FIRST_SSE_REG for local functions when SSE math is enabled or
1995         for functions with sseregparm attribute.
1996         (standard_80387_constant_p): Return -1 if mode is not
1997         X87_FLOAT_MODE_P.
1998         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
1999         (ix86_expand_compare): Ditto.
2000         (ix86_expand_carry_flag_compare): Ditto.
2001         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
2002         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
2003         DECIMAL_FLOAT_MODE_P.
2004         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
2005         of SCALAR_FLOAT_MODE_P.
2006         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
2007         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
2008         checks before FLOAT_MODE_P.
2009         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
2010         before FLOAT_MODE_P.
2011         [DIV]: Ditto.
2012         [NEG]: Ditto.
2013         [ABS]: Ditto.
2014         [SQRT]: Ditto.
2015         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
2016
2017 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
2018             Charles Wilson  <libtool@cwilson.fastmail.fm>
2019
2020         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
2021         (libgcc.mvars): Don't depend on them.
2022         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
2023         * exec-tool.in: New.
2024
2025 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
2026
2027         * doc/invoke.text (--help): Document --help=common.
2028
2029 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
2030
2031         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
2032
2033 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2034
2035         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
2036         * genemit.c (main): Emit #include "integrate.h".
2037         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
2038         (LOADGP_RTP): New mips_loadgp_style.
2039         * config/mips/mips.h: Include config/vxworks-dummy.h.
2040         (TARGET_RTP_PIC): New macro.
2041         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
2042         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
2043         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
2044         for TARGET_RTP_PIC.
2045         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
2046         -mvxworks-pic when using -mrtp and a PIC option.
2047         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
2048         for RTP PIC.
2049         (mips_symbolic_constant_p, mips_symbolic_address_p)
2050         (mips_symbol_insns): Handle SYMBOL_HALF.
2051         (override_options): Warn about -G and -mrtp being used together.
2052         Initialize mips_lo_relocs[SYMBOL_HALF].
2053         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
2054         (mips_emit_loadgp): Handle LOADGP_RTP.
2055         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
2056         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
2057         (tablejump): Handle function-relative case table entries if
2058         TARGET_RTP_PIC.
2059         * config/mips/predicates.md (symbol_ref_operand): New predicate.
2060
2061 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2062
2063         * config/mips/mips.md (load_call<mode>): Allow any general register.
2064         destination.
2065         (sibcall_value_internal, sibcall_value_multiple_internal)
2066         (call_value_internal, call_value_split, call_value_multiple_internal)
2067         (call_value_multiple_split): Remove constraints from operand 0.
2068
2069 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2070
2071         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
2072         rather than loadgp_noshared.
2073         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
2074         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
2075         gen_loadgp.
2076         * config/mips/mips.md (loadgp): Rename to...
2077         (loadgp_newabi): ...this.
2078         (loadgp_noshared): Rename to...
2079         (loadgp_absolute): ...this.
2080
2081 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2082
2083         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
2084         false for locally-binding symbols.
2085         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
2086
2087 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2088
2089         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
2090         (SYMBOL_GOT_PAGE_OFST): ...this.
2091         (SYMBOL_GOT_GLOBAL): Rename to...
2092         (SYMBOL_GOT_DISP): ...this.
2093         (SYMBOL_GOTOFF_GLOBAL): Rename to...
2094         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
2095         * config/mips/mips.c (mips_global_symbol_p): New function.
2096         (mips_symbol_binds_local_p): Likewise.
2097         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
2098         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use mips_global_symbol_p
2099         and mips_symbol_binds_local_p.
2100         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
2101         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
2102         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
2103         SYMBOL_GOTOFF_DISP.
2104         (mips_ok_for_lazy_binding_p): New function.
2105         (mips_load_call_address, mips_expand_call): Use it.
2106         (mips_dangerous_for_la25_p): Likewise.
2107         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
2108         (*got_disp<mode>): Use got_disp_operand instead of
2109         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
2110         SYMBOL_GOTOFF_GLOBAL.
2111         (*got_page<mode>): Use got_page_ofst_operand instead of
2112         local_got_operand.
2113         * config/mips/predicates.md (const_call_insn_operand): Use
2114         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
2115         (global_got_operand): Rename to...
2116         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
2117         SYMBOL_GOT_GLOBAL.
2118         (local_got_operand): Rename to...
2119         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
2120         of SYMBOL_GOT_LOCAL.
2121
2122 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2123
2124         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
2125         TARGET_CALL_CLOBBERED_GP.
2126         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2127         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
2128         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
2129         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
2130         of TARGET_ABICALLS && !TARGET_NEWABI.
2131         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2132         * config/mips/mips.c (mips_load_call_address): Check
2133         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
2134         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2135         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
2136         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
2137         TARGET_ABICALLS && TARGET_NEWABI.
2138         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
2139         TARGET_ABICALLS.
2140         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
2141         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
2142         TARGET_ABICALLS && TARGET_NEWABI.
2143         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
2144         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
2145         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
2146         whether indirect calls must use $25.
2147         (mips_extra_live_on_entry): Check TARGET_GOT instead of
2148         TARGET_ABICALLS.
2149         * config/mips/mips.md (jal_macro): Check flag_pic and
2150         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
2151         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
2152         instead of TARGET_ABICALLS.
2153         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
2154         TARGET_ABICALLS && TARGET_OLDABI.
2155         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2156         (sibcall): In the comment above the define_insn, mention
2157         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
2158         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
2159         instead of TARGET_ABICALLS.
2160
2161 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
2162
2163         * doc/md.texi (Blackfin family constraints): Document PA and PB.
2164         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
2165         (MACFLAGS_MATCH_P): New macro.
2166         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
2167         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
2168         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
2169         the other MACFLAG constants.
2170         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
2171         (flag_machi): Tighten constraints.  Renumber some of the operands.
2172         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
2173         output template.
2174         (flag_machi_parts_acconly): New pattern.
2175         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
2176         used.
2177         (flag_macinit1hi): Tighten constraints.
2178         (flag_mul_macv2hi_parts_acconly): New pattern.
2179
2180         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
2181         Use a more efficient implementation.
2182         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
2183         inline sequences when not optimizing for size.
2184
2185         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
2186         movhi_high2low): Delete, merge functionality into...
2187         (packv2hi): ... this pattern.
2188
2189         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
2190         * config/bfin/bfin.opt (msim): New option.
2191         (mcpu=): New option.
2192         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
2193         (bfin_cpu_t): Typedef of enum bfin_cpu.
2194         (bfin_cpu_type): New declaration.
2195         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
2196         -msim and -mcpu= options.
2197         (LIB_SPEC): Likewise.
2198         * config/bfin/bfin.c (bfin_cpu_type): Define.
2199         (bfin_handle_option): Handle -mcpu= option.
2200         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
2201         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
2202         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
2203
2204 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2205
2206         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
2207         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
2208         (powerpc-wrs-vxworksae): Use ${tm_file}.
2209         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
2210         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
2211         * config/i386/vx-common.h: New file.
2212
2213 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2214
2215         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
2216         of crt0.o%s.
2217
2218 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2219
2220         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
2221         ldxtr.
2222
2223 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
2224
2225         PR c++/31078
2226         PR c++/31103
2227         * c-common.c (c_build_qualified_type): Set canonical type
2228         appropriately.
2229
2230 2007-04-12  Richard Guenther  <rguenther@suse.de>
2231
2232         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
2233         lower bound and element size if lower bound is not zero
2234         or either of the ARRAY_REF operands is set.
2235
2236 2007-04-12  Richard Guenther  <rguenther@suse.de>
2237
2238         PR tree-optimization/24689
2239         PR tree-optimization/31307
2240         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
2241         indices by value.
2242         * gimplify.c (canonicalize_addr_expr): To be consistent with
2243         gimplify_compound_lval only set operands two and three of
2244         ARRAY_REFs if they are not gimple_min_invariant.  This makes
2245         it never at this place.
2246         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
2247
2248 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2249
2250         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
2251         null before emitting a .nsubspa directive.
2252
2253 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
2254
2255         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
2256         need_to_partition_p if there are no memory statements in the
2257         function.
2258
2259 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
2260
2261         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
2262         (gcd_of_steps_may_divide_p): New function.
2263         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
2264
2265 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2266
2267         * reload.c (find_reloads_toplev, find_reloads_address,
2268         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
2269         not a pointer equality test, to decide if we need to call
2270         push_reg_equiv_alt_mem.
2271
2272 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
2273
2274         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
2275         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
2276         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
2277
2278 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
2279
2280         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
2281         vector to be positive.
2282
2283 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
2284
2285         PR 30735
2286         PR 31090
2287         * doc/invoke.texi: Document --params max-aliased-vops and
2288         avg-aliased-vops.
2289         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
2290         debug_memory_partitions): Move to tree-flow.h
2291         * params.h (AVG_ALIASED_VOPS): Define.
2292         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
2293         users.
2294         (mp_info_t): Likewise.
2295         (get_mem_sym_stats_for): New.
2296         (set_memory_partition): Move from tree-flow-inline.h.
2297         (mark_non_addressable): Only clear the set of symbols for the
2298         partition if it exists.
2299         (dump_memory_partitions): Move from tree-ssa-operands.c
2300         (debug_memory_partitions): Likewise.
2301         (need_to_partition_p): New.
2302         (dump_mem_ref_stats): New.
2303         (debug_mem_ref_stats): New.
2304         (dump_mem_sym_stats): New.
2305         (debug_mem_sym_stats): New.
2306         (update_mem_sym_stats_from_stmt): New.
2307         (compare_mp_info_entries): New.
2308         (mp_info_cmp): Call it.
2309         (sort_mp_info): Change argument to a list of mem_sym_stats_t
2310         objects.
2311         (get_mpt_for): Move from tree-ssa-operands.c.
2312         (find_partition_for): New.
2313         (create_partition_for): Remove.
2314         (estimate_vop_reduction): New.
2315         (update_reference_counts): New.
2316         (build_mp_info): New.
2317         (compute_memory_partitions): Refactor.
2318         Document new heuristic.
2319         Call build_mp_info, update_reference_counts,
2320         find_partition_for and estimate_vop_reduction.
2321         (compute_may_aliases): Populate virtual operands before
2322         calling debugging dumps.
2323         (delete_mem_sym_stats): New.
2324         (delete_mem_ref_stats): New.
2325         (init_mem_ref_stats): New.
2326         (init_alias_info): Call it.
2327         (maybe_create_global_var): Remove alias_info argument.
2328         Get number of call sites and number of pure/const call sites
2329         from gimple_mem_ref_stats().
2330         (dump_alias_info): Call dump_memory_partitions first.
2331         (dump_points_to_info_for): Show how many times a pointer has
2332         been dereferenced.
2333         * opts.c (decode_options): For -O2 set --param
2334         max-aliased-vops to 500.
2335         For -O3 set --param max-aliased-vops to 1000 and --param
2336         avg-aliased-vops to 3.
2337         * fortran/options.c (gfc_init_options): Remove assignment to
2338         MAX_ALIASED_VOPS.
2339         * tree-flow-inline.h (gimple_mem_ref_stats): New.
2340         * tree-dfa.c (dump_variable): Dump memory reference
2341         statistics.
2342         Dump NO_ALIAS* settings.
2343         (referenced_var_lookup): Tidy.
2344         (mem_sym_stats): New.
2345         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
2346         and ORIG are different SSA names for a memory partition.
2347         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
2348         * tree-flow.h (struct mem_sym_stats_d): Define.
2349         (mem_sym_stats_t): Define.
2350         (struct mem_ref_stats_d): Define.
2351         (struct gimple_df): Add field mem_ref_stats.
2352         (enum noalias_state): Define.
2353         (struct var_ann_d): Add bitfield noalias_state.
2354         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
2355         debug_mem_ref_stats, debug_memory_partitions,
2356         debug_mem_sym_stats): Declare.
2357         * tree-ssa-structalias.c (update_alias_info): Update call
2358         sites, pure/const call sites and asm sites in structure
2359         returned by gimple_mem_ref_stats.
2360         Remove local variable IS_POTENTIAL_DEREF.
2361         Increase NUM_DEREFS if the memory expression is a potential
2362         dereference.
2363         Call update_mem_sym_stats_from_stmt.
2364         If the memory references memory, call
2365         update_mem_sym_stats_from_stmt for all the direct memory
2366         symbol references found.
2367         (intra_create_variable_infos): Set noalias_state field for
2368         pointer arguments according to the value of
2369         flag_argument_noalias.
2370         * tree-ssa-structalias.h (struct alias_info): Remove fields
2371         num_calls_found and num_pure_const_calls_found.
2372         (update_mem_sym_stats_from_stmt): Declare.
2373         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
2374         Set default value to 100.
2375         (PARAM_AVG_ALIASED_VOPS): Define.
2376
2377 2007-04-11  Richard Guenther  <rguenther@suse.de>
2378
2379         PR middle-end/31530
2380         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
2381         a * -b + c as c - a * b if we honor sign dependent rounding.
2382
2383 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2384
2385         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
2386         bfin_expand_strmov.
2387         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
2388         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
2389         variables.
2390         (initialize_trampoline): Don't use old-style function definition.
2391         (bfin_secondary_reload): Mark IN_P argument as unused.
2392
2393 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
2394
2395         PR tree-optimization/31343
2396         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
2397         (build_polynomial_chrec): Return a scalar when the evolution is zero.
2398         * testsuite/gcc.dg/vect/pr31343.c: New.
2399
2400 2007-04-10  Eric Christopher  <echristo@apple.com>
2401
2402         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
2403         * config/i386/i386.md (*cmpfp0): Use.
2404         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
2405         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
2406         (fix_trunc<mode>_i386_fisttp): Ditto.
2407         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
2408         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
2409         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
2410         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
2411         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
2412         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
2413         (unnamed_splitters): Ditto.
2414         * config/i386/i386.c (output_fix_trunc): Assert that
2415         we're not being passed a TFmode operand.
2416
2417 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
2418
2419         PR tree-optimization/31526
2420         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
2421         n_basic_blocks to find newly added blocks.
2422
2423 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
2424
2425         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
2426         alternative.
2427         (fix_trunc<mode>si_sse): Ditto.
2428         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
2429         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
2430         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
2431         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
2432         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
2433         expander using SSEMODEF mode macro.
2434         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
2435         expander using SSEMODEF mode macro.
2436         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
2437         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
2438         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
2439         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
2440         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
2441         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
2442         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
2443         Macroize insn using X87MODEF mode macro.
2444
2445 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
2446
2447         * config/i386/sse.md (sse2_pinsrw): Removed.
2448         (sse2_pextrw): Renamed to ...
2449         (*sse2_pextrw): This.
2450
2451 2007-04-09  Jan Hubicka  <jh@suse.cz>
2452
2453         PR target/27869
2454         * config/i386/sse.md
2455         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
2456         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
2457         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
2458         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
2459
2460 2007-04-09  Jan Hubicka  <jh@suse.cz>
2461
2462         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
2463         multiple fields of union.
2464
2465 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
2466
2467         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
2468         (create_preheaders): Check that loops are available.
2469         (fix_loop_structure): Clean up, improve comments.
2470         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
2471         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
2472         state flags.
2473         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
2474         * predict.c (tree_estimate_probability): Do not call
2475         calculate_dominance_info.  Call create_preheaders.
2476         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
2477         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
2478         flags.
2479         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
2480         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
2481         * tree-cfg.c (tree_split_edge): Make an assert more precise.
2482         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
2483         arguments.
2484
2485 2007-04-08  Jan Hubicka  <jh@suse.cz>
2486
2487         * tree.h (maybe_fold_offset_to_component_ref): Declare.
2488         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
2489         * fold-const.c (fold_unary): Use it.
2490
2491 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2492
2493         * varasm.c (assemble_variable): Remove call to
2494         lang_hooks.decls.prepare_assemble_variable.
2495         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
2496         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
2497         * langhooks.h (lang_hooks_for_decls): Remove
2498         prepare_assemble_variable.
2499
2500 2007-04-08  Mike Stump  <mrs@apple.com>
2501
2502         * config/i386/i386.c: Use inc/dec on Core2.
2503
2504 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
2505
2506         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
2507         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
2508         lhd_tree_inlining_end_inlining): Remove.
2509         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
2510         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
2511         end_inlining hooks.
2512         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
2513         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
2514         lhd_tree_inlining_end_inlining): Remove prototypes.
2515         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
2516         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
2517         LANG_HOOKS_TREE_INLINING_START_INLINING,
2518         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
2519
2520         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
2521         not set it.
2522
2523 2007-04-08  Anatoly Sokolov <aesok@post.ru>
2524
2525         PR target/29932
2526         * config/avr/predicates.md (io_address_operand): Delete predicate.
2527         (low_io_address_operand): Don't use 'mode' argument.
2528         (higth_io_address_operand): Rename ...
2529         (high_io_address_operand): ... to this. Don't use 'mode' argument.
2530         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
2531         for above change.
2532
2533 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
2534
2535         Revert change removing staticp.
2536
2537 2007-04-07  Anatoly Sokolov <aesok@post.ru>
2538
2539         PR target/30289
2540         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
2541         earlyclobber.
2542
2543 2007-04-07  Bruce Korb  <bkorb@gnu.org>
2544
2545         * c.opt: Add -Wformat-contains-nul.
2546         * c-format.c (set_Wformat):  Set warn_format_contains_nul to the
2547           -Wformat setting.
2548         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
2549         the NUL byte warning.
2550
2551 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
2552
2553         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
2554
2555 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
2556
2557         * tree.c (staticp): No longer use staticp langhook.
2558         * langhooks.c (lhd_staticp): Removed.
2559         * langhooks.h (struct lang_hooks): Remove staticp.
2560         * c-common.c (c_staticp): Remove.
2561         * c-common.h (c_staticp): Ditto.
2562         * langhooks-defs.h (lhd_staticp): Ditto.
2563         (LHD_HOOKS_STATICP): Ditto
2564         * tree.h (gcc_assert_lowered): New macro.
2565
2566 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
2567
2568         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
2569         argument "reliable".
2570         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
2571         Add argument "reliable".  Propagate it through calls.
2572         (infer_loop_bounds_from_undefined):  Derive number of iterations
2573         estimates from references in blocks that do not dominate loop latch.
2574         (gcov_type_to_double_int): New function.
2575         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
2576         and expected_loop_iterations_unbounded.
2577         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
2578         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
2579         * tree-data-ref.c (estimated_loop_iterations): Export.
2580         (get_references_in_stmt): Fix -- do not return addresses of local
2581         objects.
2582         * cfgloop.h (expected_loop_iterations_unbounded,
2583         estimated_loop_iterations): Declare.
2584
2585 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
2586
2587         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
2588
2589 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
2590
2591         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
2592         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
2593         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
2594         Use output_387_reg_move().
2595         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
2596         expander using X87MODEF12 mode macro.
2597         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
2598         choosing register preferences.  Use output_387_reg_move().
2599         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
2600         instead of "x".  Use output_387_reg_move().
2601         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
2602         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
2603         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
2604         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
2605         Use output_387_reg_move().
2606         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
2607         mode macro.
2608         (*truncxf?f_i387 splitter): Ditto.
2609
2610 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
2611
2612         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
2613         LANG_HOOKS_SAFE_FROM_P.
2614         * expr.c (safe_from_p): Remove langhook call.
2615         * langhooks.h (lang_hooks): Remove safe_from_p.
2616         (lhd_safe_from_p): Remove prototype.
2617         * langhooks.c (lhd_safe_from_p): Remove.
2618
2619 2007-04-06  Jan Hubicka  <jh@suse.cz>
2620
2621         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
2622         functions.
2623
2624 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
2625
2626         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
2627         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
2628         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
2629         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
2630         alternative.
2631         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
2632         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
2633
2634 2007-04-05  Richard Henderson  <rth@redhat.com>
2635
2636         * config/alpha/alpha.c (print_operand) [+]: Remove.
2637         (alpha_end_function): Print nop if call at end of function.
2638         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
2639         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
2640         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
2641         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
2642         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
2643         the call pattern. Update peepholes to match.
2644
2645 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
2646
2647         * doc/extend.texi (Other Builtins): Add decimal float variants
2648         of signbit.
2649         * builtins.def: Ditto.
2650         * builtins.c (expand_builtin): Ditto.
2651
2652 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
2653             H.J. Lu  <hongjiu.lu@intel.com>
2654
2655         PR target/31478
2656         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
2657         of V8HImode when calling ix86_binary_operator_ok.
2658         (sse2_pmaddwd): Call ix86_binary_operator_ok.
2659         (sdot_prodv8hi): Operands 1 and 2 must be register.
2660
2661 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2662
2663         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
2664         initialize align to silence bogus warning.
2665
2666 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2667
2668         PR middle-end/22156
2669         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
2670         all_no_warning.
2671         (struct sra_walk_fns): Remove use_all parameter from use.
2672         (sra_hash_tree): Handle BIT_FIELD_REFs.
2673         (sra_elt_hash): Don't hash bitfld blocks.
2674         (sra_elt_eq): Skip them in parent compares as well.  Handle
2675         BIT_FIELD_REFs.
2676         (sra_walk_expr): Don't maintain or pass down use_all_p.
2677         (scan_use): Remove use_all parameter.
2678         (scalarize_use): Likewise.  Re-expand assignment to
2679         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
2680         output, and re-scalarize after output.  Don't mark anything
2681         for no warning.
2682         (scalarize_ldst): Adjust.
2683         (scalarize_walk_gimple_modify_statement): Likewise.
2684         (build_element_name_1): Handle BIT_FIELD_REFs.
2685         (instantiate_element): Don't warn for any element whose parent
2686         is used as a whole.
2687         (instantiate_missing_elements_1): Return the sra_elt.
2688         (canon_type_for_field): New.
2689         (try_instantiate_multiple_fields): New.
2690         (instantiate_missing_elemnts): Use them.
2691         (mark_no_warning): Removed.
2692         (generate_one_element_ref): Handle BIT_FIELD_REFs.
2693         (REPLDUP, sra_build_elt_assignment): New.
2694         (generate_copy_inout): Use them.
2695         (generate_element_copy): Likewise.  Handle bitfld differences.
2696         (generate_element_zero): Don't recurse for blocks.  Use
2697         sra_build_elt_assignment.
2698         (generate_one_element_int): Take elt instead of var.  Use
2699         sra_build_elt_assignment.
2700         (generate_element_init_1): Adjust.
2701         (scalarize_use, scalarize_copy): Use REPLDUP.
2702         (scalarize_ldst): Move assert before dereference.
2703         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
2704
2705 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
2706
2707         * regmove.c: Fix unused variable warnings due to previous commit.
2708
2709 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
2710
2711         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
2712         (regmove_bb_head): Remove.
2713         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
2714         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
2715         problems with fixup_match_1.
2716         Don't initialize/free regmove_bb_head.
2717
2718         (reg_is_remote_constant_p): If an insn is in the same basic block
2719         but not before INSN, consider it remote, too.
2720
2721 2007-04-05  Anatoly Sokolov <aesok@post.ru>
2722
2723         PR target/25448
2724         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
2725         DECL_ASSEMBLER_NAME, not the DECL_NAME.
2726
2727 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
2728
2729         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
2730         (CONDITIONAL_REGISTER_USAGE): Likewise.
2731
2732 2007-04-04  Richard Henderson  <rth@redhat.com>
2733
2734         * config/alpha/lib1funcs.asm: Remove unused file.
2735
2736 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2737
2738         PR other/31356
2739         * opts.c (print_specific_help): Fix --help=<language>
2740         header line.
2741         (common_handle_option): Support --help=common.
2742
2743 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2744
2745         PR other/31353
2746         * gcc.c (main): Do not run the linker if
2747         print_subprocess_help indicates that it shouldn't be
2748         run.
2749
2750 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2751
2752         PR doc/31355
2753         * doc/invoke.texi (--help=): Document <languages> value, fix
2754         formatting in tables of values.
2755
2756 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
2757
2758         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
2759         dllimport attribute of virtual methods.
2760
2761 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
2762
2763         * config/score/crti.asm: Change _bss_start to __bss_start.
2764         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
2765         (OUTGOING_REG_PARM_STACK_SPACE) update.
2766         * config/score/score.opt: add options to make backend support
2767         score5, score5u, score7 and score7d.
2768         * config/score/score.md: Likewise.
2769         * config/score/misc.md: Likewise.
2770         * config/score/mac.md: Likewise.
2771         * doc/invoke.texi: Likewise.
2772         * doc/md.texi: update constraints define.
2773
2774 2007-04-03  Richard Henderson  <rth@redhat.com>
2775
2776         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
2777         an appropriate type, use the mode instead.
2778
2779 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
2780
2781         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
2782         Set the default --with-arch setting to mips2.
2783         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
2784         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
2785         (MULTILIB_OSDIRNAMES): Delete.
2786         (MULTILIB_DIRNAMES): Define.
2787         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
2788         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
2789         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
2790         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
2791         VXWORKS_OS_CPP_BUILTINS.
2792         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
2793         (MIPS_DEBUGGING_INFO): Undefine.
2794         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
2795
2796 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
2797
2798         PR middle-end/30704
2799         * fold-const.c (native_encode_real): Encode real.c provided longs
2800         as a series of 32-bit native integers.
2801         (native_interpret_real): Interpret buffer as a series of 32-bit
2802         native integers.
2803
2804 2007-04-03  Richard Guenther  <rguenther@suse.de>
2805
2806         * genpreds.c (write_insn_constraint_len): Write function
2807         optimized for CONSTRAINT_LEN implementation.
2808         (write_tm_preds_h): Output insn_constraint_len inline and
2809         use it for CONSTRAINT_LEN.
2810         (write_insn_preds_c): Don't output insn_constraint_len.
2811         * doc/md.texi (define_register_constraint): Document multi-letter
2812         constraints shall have the same length if they start with the same
2813         letter.
2814
2815 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
2816
2817         PR target/31175
2818         * config/i386/i386.md (isinf<mode>2): Expand only when
2819         TARGET_C99_FUNCTIONS is set.
2820
2821 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
2822
2823         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
2824         (x86_64-*-linux*): Ditto.
2825         * config/i386/i386.opt (mpc): New option.
2826         * config/i386/i386.c (overrride_options): Handle
2827         ix87_precision_string.
2828         * config/i386/crtprec.c: New file.
2829         * config/i386/t-crtpc: Ditto.
2830         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
2831         and -mpc80 options.
2832         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
2833         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
2834         crtprec32.o, crtprec64.o and crtprec80.o.
2835
2836         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
2837         and -mpc80 options.
2838         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
2839
2840 2007-04-02  Eric Christopher  <echristo@apple.com>
2841
2842         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
2843         limitations on darwin.
2844
2845 2007-04-02  Anatoly Sokolov <aesok@post.ru>
2846
2847         PR target/31137
2848         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
2849
2850 2007-04-02  Dave Korn  <dave.korn@artimi.com>
2851
2852         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
2853
2854 2007-04-02  Dave Korn  <dave.korn@artimi.com>
2855
2856         * libgcc2.h (exception_descriptor): Don't forward-declare.
2857         (__get_eh_table_language, __get_eh_table_version): Delete
2858         prototypes of long-dead functions.
2859
2860 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
2861
2862         * ebitmap.h: New file
2863         * ebitmap.c: New file
2864         * Makefile.in (ebitmap.o): New target.
2865
2866 2007-04-01  Jan Hubicka  <jh@suse.cz>
2867
2868         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
2869         before very first instruction.
2870
2871 2007-04-01  Jan Hubicka  <jh@suse.cz>
2872
2873         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
2874         waring on 64bit hosts.
2875         * bitmap.h: Fix typo in bitmap_head_def.
2876
2877 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
2878
2879         PR rtl-optimization/31391
2880         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
2881         into a DELETED_LABEL note, and the label is in an empty basic
2882         block, update BB_END as well as BB_HEAD.
2883
2884 2007-04-01  Richard Henderson  <rth@redhat.com>
2885
2886         PR tree-optimization/31169
2887         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
2888         to varying if the range is outside [0,  prec-1].
2889
2890 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
2891
2892         PR target/31388
2893         * config/mips/mips.md (load_const_gp): New insn.
2894         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
2895         the MIPS16 GP pseudo register if no_new_pseudos.
2896         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
2897
2898 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2899
2900         PR target/31364
2901         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
2902         secureplt.
2903         (call_value): Likewise.
2904
2905 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
2906             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2907
2908         PR 14737
2909         * doc/invoke.texi: (optimization options): Reword description
2910         of -ffast-math. Document its primary purpose.
2911
2912 2007-03-31  Richard Guenther  <rguenther@suse.de>
2913
2914         * omp-low.c (splay-tree.h): Include.
2915         (lookup_decl): Replace splay-tree usage by pointer-map.
2916         (maybe_lookup_decl): Likewise.
2917         (new_omp_context): Likewise.
2918         (delete_omp_context): Likewise.
2919         * gimplify.c (splay-tree.h): Include.
2920         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
2921         pointer-map.
2922         (remap_ssa_name): Likewise.
2923         (remap_decl): Likewise.
2924         (remap_type_1): Likewise.
2925         (remap_type): Likewise.
2926         (copy_body_r): Likewise.
2927         (expand_call_inline): Likewise.
2928         (clone_body): Likewise.
2929         (copy_tree_r): Likewise.
2930         (remap_save_expr): Likewise.
2931         (unsave_r): Likewise.
2932         (unsave_expr_now): Likewise.
2933         (tree_function_versioning): Likewise.
2934         (build_duplicate_type): Likewise.
2935         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
2936         (struct copy_body_data): Replace splay-tree by pointer-map.
2937         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
2938         not $(SPLAY_TREE_H).
2939         (gimplify.o): Depend on $(SPLAY_TREE_H).
2940         (omp-low.p): Likewise.
2941
2942 2007-03-31  Anatoly Sokolov <aesok@post.ru>
2943
2944         * config/avr/predicates.md (even_register_operand,
2945         odd_register_operand): New predicates.
2946         * config/avr/avr.md (movw peephole2): New.
2947         (movw_r peephole2): New.
2948
2949 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
2950
2951         * tree.h (get_signed_or_unsigned_type): New.
2952         * fold-const.c (operand_equal_for_comparison_p): Use
2953         get_signed_or_unsigned_type instead of
2954         lang_hooks.types.signed_or_unsigned_type.
2955         * expr.c (store_expr): Ditto.
2956         * langhooks.c (get_signed_or_unsigned_type): New.
2957         (lhd_signed_or_unsigned_type): New.
2958         * langhooks.h (lhd_signed_or_unsigned_type): New.
2959         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
2960
2961 2007-03-30  Richard Henderson  <rth@redhat.com>
2962
2963         * tree-ssa-loop-ivopts.c: Include target.h.
2964         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
2965         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
2966         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
2967         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
2968
2969 2007-03-30  Richard Henderson  <rth@redhat.com>
2970             Kai Tietz  <kai.tietz@onevision.com>
2971
2972         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
2973         default for 64-bit.
2974         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
2975         (TARGET_64BIT_MS_ABI): New.
2976         (DBX_REGISTER_NUMBER): Handle 64-bit.
2977         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
2978         (LONG_TYPE_SIZE): Force to 32.
2979         (REG_PARM_STACK_SPACE): New.
2980         (OUTGOING_REG_PARM_STACK_SPACE): New.
2981         (REGPARM_MAX, SSE_REGPARM_MAX): New.
2982         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
2983         (STACK_BOUNDARY): Use 128 for 64-bit.
2984         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
2985         Add 64-bit implementation.
2986         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
2987         argument unused.
2988         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
2989         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
2990         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
2991         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
2992         (ix86_handle_cconv_attribute): Don't warn when ignoring if
2993         TARGET_64BIT_MS_ABI.
2994         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
2995         (ix86_pass_by_reference): Likewise.
2996         (ix86_function_value_regno_p): Likewise.
2997         (ix86_build_builtin_va_list): Likewise.
2998         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2999         (function_arg_advance_ms_64): New.
3000         (function_arg_advance): Call it.
3001         (function_arg_ms_64): New.
3002         (function_arg): Call it.
3003         (function_value_ms_64): New.
3004         (ix86_function_value_1): Call it.
3005         (return_in_memory_ms_64): New.
3006         (ix86_return_in_memory): Call it.
3007         (setup_incoming_varargs_ms_64): New.
3008         (ix86_setup_incoming_varargs): Call it.
3009         (ix86_expand_prologue): Handle 64-bit stack probing.
3010         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
3011         (output_pic_addr_const): Likewise.
3012         (x86_this_parameter): Likewise.
3013         (x86_output_mi_thunk): Likewise.
3014         (x86_function_profiler): Likewise.
3015         (TARGET_STRICT_ARGUMENT_NAMING): New.
3016         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
3017         (TARGET_64BIT_MS_ABI): New.
3018         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
3019         * config/i386/i386.md (allocate_stack_worker): Remove.
3020         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
3021         describe the clobber of eax without a match_scratch.
3022         (allocate_stack_worker_postreload): Remove.
3023         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
3024         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
3025         (allocate_stack_worker_rex64_postreload): Remove.
3026         (allocate_stack): Handle 64-bit.
3027         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
3028         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
3029         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
3030         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
3031         (STANDARD_STARTFILE_PREFIX_1): Likewise.
3032         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
3033         * config.build (x86_64-*-mingw*): New host.
3034         * config.host (x86_64-*-mingw*): New host.
3035         * config.gcc (x86_64-*-mingw*): New target.
3036         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
3037
3038 2007-03-30  Richard Henderson  <rth@redhat.com>
3039             Kai Tietz  <kai.tietz@onevision.com>
3040
3041         * c-pragma.c (struct def_pragma_macro_value): New.
3042         (struct def_pragma_macro): New.
3043         (pushed_macro_table): New.
3044         (dpm_hash, dpm_eq): New.
3045         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
3046         (init_pragma): Install them.
3047         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
3048
3049 2007-03-30  Anatoly Sokolov <aesok@post.ru>
3050
3051         * config/avr/avr.c (avr_override_options): Clear
3052         'flag_delete_null_pointer_checks'.
3053
3054 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
3055
3056         PR c++/26099
3057         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
3058         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
3059         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
3060         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
3061         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
3062         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
3063         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
3064         C++ extensions.
3065         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
3066
3067 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
3068
3069         * regmove.c: Move all of pass_stack_adjustments from here...
3070         * combine-stack-adj.c: ...to this new file.
3071         * Makefile.in: Add rules for combine-stack-adj.o.
3072
3073 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
3074
3075         PR tree-optimization/31383
3076         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
3077         to have the same length.
3078
3079 2007-03-30  Jan Hubicka  <jh@suse.cz>
3080
3081         PR middle-end/30700
3082         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
3083         availablility; add more sanity checking; ask varpool only about
3084         VAR_DECL.
3085
3086 2007-03-29  Richard Henderson  <rth@redhat.com>
3087
3088         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
3089         to decide, but __SIZEOF_LONG_LONG__.
3090
3091 2007-03-29  Richard Henderson  <rth@redhat.com>
3092
3093         * emutls.c (struct __emutls_array): New.
3094         (emutls_destroy): Use it instead of casting element 0 from void*.
3095         (__emutls_get_address): Likewise.
3096
3097 2007-03-29  Richard Henderson  <rth@redhat.com>
3098
3099         * varasm.c (initializer_constant_valid_p): Don't deny
3100         DECL_DLLIMPORT_P on functions.
3101
3102         * config/i386/cygming.h: Remove function declarations.
3103         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
3104         (ASM_OUTPUT_LABELREF): Remove.
3105         (COMMON_ASM_OP): Remove.
3106         (ASM_OUTPUT_COMMON): Remove.
3107         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
3108         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
3109         (ASM_DECLARE_FUNCTION_NAME): Likewise.
3110         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
3111         Rename from TARGET_ENCODE_SECTION_INFO.
3112         * config/i386/netware.h: Likewise.
3113         * config/i386/i386-protos.h: Update.
3114         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
3115         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
3116         (legitimate_constant_p): Reject dllimports.
3117         (dllimport_map, get_dllimport_decl): New.
3118         (legitimize_dllimport_symbol): New.
3119         (legitimize_address, ix86_expand_move): Use it.
3120         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
3121         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
3122         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
3123         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
3124         * config/i386/predicates.md (constant_call_address_operand): Only
3125         accept symbols; reject dllimport_p symbols.
3126         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
3127         i386_pe_maybe_record_exported_symbol.
3128         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
3129         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
3130         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
3131         trust the setting of DECL_DLLIMPORT_P.
3132         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
3133         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
3134         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
3135         tidy the argument scanning loop.
3136         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
3137         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
3138         (i386_pe_strip_name_encoding): Remove.
3139         (i386_pe_binds_local_p): New.
3140         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
3141         (i386_pe_output_labelref): Remove.
3142         (i386_pe_asm_output_aligned_decl_common): New.
3143         (i386_pe_maybe_record_exported_symbol): Rename from
3144         i386_pe_record_exported_symbol; check for dllexported symbols.
3145
3146 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
3147
3148         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
3149         add comment explaining why vsnprintf cannot be used.
3150
3151 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
3152
3153         PR tree-optimization/30666
3154         * tree.c (build_complex_type): When creating type names for DWARF2
3155         debug info, create TYPE_DECLs for TYPE_NAME instead of
3156         IDENTIFIER_NODEs.
3157         (build_common_tree_nodes_2): Use build_complex_type when building
3158         predefined complex types, to preserve canonical types.
3159
3160 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
3161
3162         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
3163         (noce_get_alt_condition): Look at it to determine whether to
3164         reverse the condition or not.
3165         (noce_get_condition): Substitute the truth for lies.
3166         (noce_find_if_block): Set the then_else_reversed field.
3167
3168 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
3169
3170         * config/fr30/fr30.md (movdi): Do not accept immediates as the
3171         destination of this insn.
3172         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
3173         than calling gen_rtx_SET directly.  Use r0 to hold the value of
3174         'address + 4' rather than a stack based temporary which can be
3175         mis-optimized away.
3176
3177 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
3178
3179         * config/s390/s390.c (s390_secondary_input_reload_class,
3180         s390_secondary_output_reload_class): Functions removed.
3181         (s390_secondary_reload): New function.
3182         (TARGET_SECONDARY_RELOAD): Target macro defined.
3183         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
3184         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
3185         * config/s390/s390.md ("reload_outti", "reload_outdi",
3186         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
3187         "reload_out<mode>"): Expanders removed.
3188         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
3189         "reload<mode>_nonoffmem_out"): Expanders added.
3190
3191 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
3192
3193         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
3194         SRC->DEST replacement failed anyway.
3195
3196 2007-03-28  Mike Stump  <mrs@apple.com>
3197
3198         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
3199         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
3200         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
3201
3202 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3203
3204         * config.gcc: Accept barcelona as a variant of amdfam10.
3205         * config/i386/i386.c (override_options): Likewise.
3206         * doc/invoke.texi: Likewise.
3207
3208 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
3209
3210         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
3211         offsets for BIT_FIELD_REF and COMPONENT_REF.
3212
3213 2007-03-28  Richard Guenther  <rguenther@suse.de>
3214
3215         * tree.c (is_global_var): Move ...
3216         * tree-flow-inline.h (is_global_var): ... here.
3217         * tree.h (is_global_var): Remove declaration.
3218
3219 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
3220
3221         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
3222         option.
3223         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
3224         * config/i386/i386.c (ix86_tune_features): Initialize new
3225         tuning option.
3226         * config/i386/predicates.md (promotable_binary_operator): Use
3227         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
3228
3229 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
3230
3231         PR target/31380
3232         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
3233
3234 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
3235
3236         * config/fr30/fr30.md (movsi_internal): Change destination
3237         constraint from m to V and add m to the end.
3238
3239 2007-03-28  Christian Bruel  <christian.bruel@st.com>
3240
3241         * config/sh/sh.md (movsi_i): Fix type attribute.
3242
3243 2007-03-28  Christian Bruel  <christian.bruel@st.com>
3244
3245         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
3246         (movsf_ie): Likewise.
3247
3248 2007-03-28  Christian Bruel  <christian.bruel@st.com>
3249
3250         * config.gcc: Add sh4-300 to multilib.
3251         * config/sh/t-mlib-sh4-300: New file.
3252
3253 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
3254
3255         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
3256         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
3257         fix_trunc<mode>di2.
3258         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
3259         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
3260         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
3261         "fixuns_trunctddi2"): Whitespace fix.
3262
3263 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
3264
3265         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
3266         the definition of struct sh_args.
3267         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
3268         CALL_COOKIE_INT_REG_GET): Likewise.
3269
3270 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
3271
3272         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
3273         transformations are applied successfully.
3274
3275 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
3276
3277         * tree.c (tree_contains_struct): Permit 512 tree codes.
3278         * tree.h (tree_contains_struct): Ditto.
3279         (MAX_TREE_CODES): Ditto.
3280         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
3281         SPARE member to store remaining padding bits.
3282
3283 2007-03-27  Anatoly Sokolov <aesok@post.ru>
3284
3285         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
3286         architecture.
3287
3288 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
3289
3290         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
3291         * configure: Regenerate.
3292
3293         * configure: Regenerate using the correct version of autoconf.
3294
3295 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
3296
3297         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
3298         pointer regs.
3299         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
3300         regs to "__SP_L__" and "__SP_H__".
3301
3302 2007-03-27  Richard Guenther  <rguenther@suse.de>
3303
3304         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
3305         computations with it with a HOST_WIDE_INT variable.
3306
3307 2007-03-26  Mike Stump  <mrs@apple.com>
3308
3309         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
3310         objective-c-header, objective-c++-header and objc++-cpp-output
3311         support.
3312         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
3313
3314 2007-03-26  Richard Henderson  <rth@redhat.com>
3315
3316         PR target/31361
3317         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
3318         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
3319         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
3320         IX86_BUILTIN_PSRLQ128): New.
3321         (ix86_init_mmx_sse_builtins): Add them.
3322         (ix86_expand_builtin): Expand them.
3323         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
3324         operand 2 be TImode.
3325         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
3326         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
3327         _mm_srli_epi64): Mark __B const.
3328         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
3329         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
3330         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
3331         new two-vector shift builtins.
3332
3333 2007-03-26  Ian Lance Taylor  <iant@google.com>
3334
3335         PR tree-optimization/31345
3336         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
3337         [+INF, +INF(OVF)] into VARYING.
3338
3339 2007-03-26  Zack Weinberg  <zackw@panix.com>
3340
3341         * gengtype-parse.c: New file.
3342         * gengtype-yacc.y: Delete.
3343         * gengtype-lex.l: Don't include gengtype-yacc.h.
3344         Define YY_DECL and yyterminate appropriately for recursive
3345         descent parser.  yylval is now a string out-parameter to yylex.
3346         (HWS, EOID): New shorthand.
3347         (IWORD): Add a couple more types.
3348         (yylex): Add a setup stanza.  Remove the complex rules for
3349         detecting GTY'ed types and typedefs; replace with simple
3350         keyword detectors.  Adjust everything for the changed
3351         definition of yylval.  Ignore all pp-directives, not just #define.
3352         (yyerror): Delete.
3353         (parse_file): Rename yybegin; do not call yyparse.
3354         (yyend): New.
3355         * gengtype.c (xasprintf): Export again.
3356         (this_file): New.  Use everywhere __FILE__ was being used.
3357         (get_lang_bitmap): Special case types defined in gengtype.c.
3358         (do_typedef, new_structure): Suppress definition of certain types.
3359         (new_structure): Improve diagnostics of duplicate definitions.
3360         Make sure location_s is associated with input.h.
3361         (nreverse_pairs, define_location_structures): New functions.
3362         (main): Improve tagging of kludge types.  Remove old kludges
3363         for input.h types; use define_location_structures.
3364         * gengtype.h: Update prototypes.  Define token codes here.
3365         * Makefile.in: Remove all references to gengtype-yacc.
3366         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
3367         and gengtype.
3368         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
3369         add GTY((skip)) to the field that's only conditionally there.
3370         * doc/install.texi: Document that Bison is no longer required
3371         unless building treelang.
3372
3373         * gengtype.c: Don't include gtyp-gen.h.
3374         (srcdir): Declare here.
3375         (base_files, lang_dir_names): Allocate dynamically.
3376         (gt_files, num_gt_files, num_lang_dirs): New globals.
3377         (measure_input_list, read_input_line, read_input_list)
3378         (set_lang_bitmap): New functions.
3379         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
3380         simplify, relying on read_input_list to set up the bitmaps.
3381         (main): Arguments are no longer unused.  Check for correct number
3382         of command line arguments, set srcdir and srcdir_len, then call
3383         read_input_list, before doing anything else.  No need to worry
3384         about duplicates in main loop.
3385         * configure.ac: Simplify the calculation of all_gtfiles.
3386         Put language tags in there.  Don't set or substitute
3387         all_gtfiles_files_langs or all_gtfiles_files_frags.
3388         * Makefile.in: Revamp the way gengtype is invoked, now that it
3389         takes a file on its command line with a much simpler format.
3390         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
3391         (GTFILES): Remove duplicates and C source files.
3392         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
3393         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
3394         * configure: Regenerate.
3395
3396         * gengtype.h: Remove all type definitions to gengtype.c; leave
3397         only definitions of options_p, type_p, and pair_p as opaque
3398         pointers.  Update prototypes.
3399         * gengtype.c: Many type definitions moved here from gengtype.h.
3400         Consolidate type definitions at the top of the file.
3401         (xvasprintf): Delete.
3402         (xasprintf): Make static.
3403         (create_nested_pointer_option): Add 'next' parameter.
3404         (create_field_all, create_field_at): New functions.
3405         (create_field): Now a thin wrapper around create_field_all.
3406         (create_optional_field): Rename create_optional_field_ and add
3407         line argument.  Original name is now a macro which supplies
3408         __LINE__.
3409         (oprintf): Use vsnprintf directly.
3410         (close_output_files): Use fatal rather than perror/exit.
3411         (note_def_vec, note_def_vec_alloc): Use create_field_at.
3412         (main): Set progname.  Don't use exit.
3413         * gengtype-yacc.y (struct_fields): Use create_field_at.
3414         (option, optionseqopt): Delete.
3415         (optionseq): Consolidate productions from option here so we
3416         can use the first argument to create_option.
3417
3418         * gengtype-lex.l: Distinguish unions from structures in the
3419         token type.  Don't call find_structure; return the tag as a string.
3420         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
3421         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
3422         Reorganize typedef_struct production accordingly.
3423         Use create_nested_ptr_option.
3424         * gengtype.c (create_nested_ptr_option): New function.
3425         * gengtype.h: Declare it.
3426
3427         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
3428         (string_type): Don't declare.
3429         (do_scalar_typedef): Declare.
3430         (create_scalar_type): Update prototype.
3431         * gengtype.c (string_type): Make static.
3432         (scalar_nonchar, scalar_char): New.
3433         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
3434         (resolve_typedef): Use scalar_nonchar for error recovery.
3435         (create_scalar_type): Remove name_len field.  Return scalar_char
3436         or scalar_nonchar as appropriate.
3437         (adjust_field_type): Look at scalar_is_char boolean to decide whether
3438         to use string_type.
3439         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
3440         whenever possible.
3441         (main): Initialize scalar_char and scalar_nonchar before calling
3442         gen_rtx_next.
3443         * gengtype-lex.l: Adjust for removal of second argument to
3444         create_scalar_type.  Use yylval.s instead of yylval.t when
3445         returning SCALAR.
3446         * gengtype-yacc.y: Type of SCALAR is string.  Call
3447         create_scalar_type from type:SCALAR rule.  Adjust for removal of
3448         second argument to create_scalar_type.
3449
3450         * vec.h: Remove all #if IN_GENGTYPE blocks.
3451         Add comment saying that changes may require adjustments to gengtype.
3452         * gengtype.c: Don't include coretypes.h or tm.h.
3453         Add comment to inclusion of errors.h.
3454         (note_def_vec, note_def_vec_alloc): New functions.
3455         * gengtype.h: Declare new functions.
3456         * gengtype-lex.l: Don't include coretypes.h.
3457         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
3458         Delete.
3459         (update_lineno): Remove unnecessary prototype.
3460         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
3461         (VEC rule): Just return VEC_TOKEN.
3462         * gengtype-yacc.y (VEC_TOKEN): New token type.
3463         (type): Add a production for VEC(a,b).
3464         * Makefile.in: Update dependencies.
3465
3466         * gengtype-lex.l: Remove rules for parsing pointer-to-function
3467         typedefs that use the old PARAMS macro.
3468
3469         * gengtype-lex.l: Remove all rules and states relating to yacc
3470         input files.
3471         * gengtype-yacc.y: Similarly.
3472         * gengtype.c (note_yacc_type): Delete function.
3473         * gengtype.h: Update prototypes.
3474
3475 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
3476
3477         * tree-pretty-print.c (dump_generic_node): Report precision of
3478         unnamed integer types.
3479
3480 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
3481
3482         * ifcvt.c (noce_try_store_flag_constants): Don't check
3483         no_new_pseudos here.
3484         (noce_try_store_flag_constants): Don't check no_new_pseudos.
3485         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
3486         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
3487         noce_try_sign_mask): Likewise.
3488         (if_convert): Check no_new_pseudos here.
3489
3490         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
3491         Remove prototypes.
3492         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
3493         (noce_get_condition): Handle new then_else_reversed argument.
3494         (noce_init_if_info): Remove, fold into noce_find_if_block.
3495         (noce_process_if_block): Take a struct noce_if_info as the
3496         argument.  Don't set up one based on ce_if_info.  Update pointer
3497         references accordingly.
3498         (cond_move_process_if_block): Likewise.
3499         (process_if_block): Removed.
3500         (find_if_block): Removed.  Move functionality two new functions,
3501         noce_find_if_block and cond_exec_find_if_block.
3502         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
3503         blocks and the symmetric IF-ELSE-JOIN case.
3504         (cond_exec_find_if_block): Also new function mostly based on old
3505         find_if_block and process_if_block.
3506         (find_if_header): Replace find_if_block call with separately
3507         guarded calls to noce_find_if_block and cond_exec_find_if_block.
3508         (find_cond_trap): Update noce_get_condition call.
3509         (dead_or_predicable): Likewise.
3510
3511 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
3512
3513         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
3514         Remove.
3515         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
3516         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
3517         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
3518         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
3519         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
3520         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
3521         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
3522         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
3523         __builtin_ia32_psrad128 builtins.
3524
3525 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
3526
3527         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
3528         * config/i386/constraints.md
3529         (define_constraint "I"): Use IN_RANGE macro.
3530         (define_constraint "J"): Ditto.
3531         (define_constraint "K"): Ditto.
3532         (define_constraint "M"): Ditto.
3533         (define_constraint "N"): Ditto.
3534         (define_constraint "O"): Ditto.
3535         * config/i386/predicates.md
3536         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
3537         (define_predicate "const_0_to_3_operand"): Ditto.
3538         (define_predicate "const_0_to_7_operand"): Ditto.
3539         (define_predicate "const_0_to_15_operand"): Ditto.
3540         (define_predicate "const_0_to_63_operand"): Ditto.
3541         (define_predicate "const_0_to_255_operand"): Ditto.
3542         (define_predicate "const_1_to_31_operand"): Ditto.
3543         (define_predicate "const_2_to_3_operand"): Ditto.
3544         (define_predicate "const_4_to_7_operand"): Ditto.
3545
3546 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
3547
3548         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
3549         in SImode for save_world.
3550         * config/rs6000/altivec.md (save_world, restore_world): Convert to
3551         LR hard reg.
3552
3553 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
3554
3555         PR tree-optimization/30784
3556         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
3557         BIT_FIELD_REF.
3558
3559 2007-03-25  Revital Eres  <eres@il.ibm.com>
3560
3561         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
3562           Fold movement_possibility function into it.
3563
3564 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
3565
3566         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
3567         (load_macho_picbase_{si,di}): Convert to LR hard reg.
3568         (call_indirect_nonlocal_darwin64): Same.
3569         (call_nonlocal_darwin64): Same.
3570         (call_value_indirect_nonlocal_darwin64): Same.
3571         (call_value_nonlocal_darwin64): Same.
3572         (sibcall_nonlocal_darwin64): Same.
3573         (sibcall_value_nonlocal_darwin64): Same.
3574         (sibcall_symbolic_64): Same.
3575         (sibcall_value_symbolic_64): Same.
3576         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
3577         LR pseudo.
3578         (rs6000_emit_load_toc_table): Same.
3579         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
3580         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
3581         (mull_call): Same.
3582         (divss_call): Same.
3583         (divus_call): Same.
3584         (quoss_call): Same.
3585         (quous_call): Same.
3586         (load_toc_v4_pic_si): Same
3587         (load_toc_v4_PIC_1): Same.
3588         (load_toc_v4_PIC_1b): Same.
3589         (call_indirect_aix{32,64}): Same.
3590         (call_value_indirect_aix{32,64}): Same.
3591         (call): Same.
3592         (call_value): Same.
3593         (call_local{32,64}): Same.
3594         (call_value_local{32,64}): Same.
3595         (call_indirect_nonlocal_aix{32,64}): Same.
3596         (call_nonlocal_aix{32,64}): Same.
3597         (call_value_indirect_nonlocal_aix{32,64}): Same.
3598         (call_value_nonlocal_aix{32,64}): Same.
3599         (call_indirect_nonlocal_sysv<mode>): Same.
3600         (call_nonlocal_sysv<mode>): Same.
3601         (call_value_indirect_nonlocal_sysv<mode>): Same.
3602         (call_value_nonlocal_sysv<mode>): Same.
3603         (sibcall): Same.
3604         (sibcall_local{32,64}): Same.
3605         (sibcall_value_local{32,64}): Same.
3606         (sibcall_nonlocal_aix{32,64}): Same.
3607         (sibcall_value_nonlocal_aix{32,64}): Same.
3608         (sibcall_nonlocal_sysv<mode>): Same.
3609         (sibcall_value): Same.
3610         (sibcall_value_nonlocal_sysv<mode>): Same.
3611
3612 2007-03-24  Paul Brook  <paul@codesourcery.com>
3613
3614         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
3615         * config/arm/linux-eabi.h: Remove legacy syscall hack.
3616
3617 2007-03-24  Richard Henderson  <rth@redhat.com>
3618
3619         * config/ia64/constraints.md: New file.
3620         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
3621         satisfies_constraint_?.
3622         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
3623         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
3624         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
3625         ia64_output_mi_thunk): Likewise.
3626         (ia64_const_ok_for_letter_p): Remove.
3627         (ia64_const_double_ok_for_letter_p): Remove.
3628         (ia64_extra_constraint): Remove.
3629         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
3630         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
3631         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
3632         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
3633         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
3634         EXTRA_MEMORY_CONSTRAINT): Remove.
3635         * config/ia64/ia64.md: Include constriants.md.  Replace
3636         CONST_OK_FOR_? with satisfies_constraint_?.
3637
3638 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
3639             H.J. Lu  <hongjiu.lu@intel.com>
3640
3641         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
3642         DPD or BID name.
3643         (name macros): Use DPD_BID_NAME to convert names properly.
3644
3645         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
3646         decimal floating point format.
3647         (init_floating_libfuncs): Change decimal functions so that they
3648         have a "bid_" prefix if the decimal system uses the BID format,
3649         and "dpd_" prefix if the decimal system uses the DPD format.
3650         (init_interclass_conv_libfuncs): Ditto.
3651         (init_intraclass_conv_libfuncs): Ditto.
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         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
3666         using the BID format.
3667
3668         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
3669         whether we are using the BID decimal format.
3670         * configure: Regenerate.
3671
3672         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
3673         the compiler has decimal floating point enabled.  Define
3674         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
3675         instead of DPD.
3676
3677         * doc/install.texi (--enable-decimal-float): Document BID and DPD
3678         options, and that it is enabled for i386/x86_64 systems.
3679
3680         * Makefile.in (enable_decimal_float): New.
3681         (DECNUMFMT): New.
3682         (DECNUMINC): Add  -I$(DECNUMFMT).
3683         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
3684         to $(DECNUMFMT) from $(DECNUM).
3685
3686         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
3687         Substitute enable_decimal_float.
3688         * configure: Regenerated.
3689
3690         PR other/30529
3691         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
3692         unsigned long.
3693
3694         * configure.ac: Enable decimal float for x86_64-*-linux*.
3695         * configure: Regenerated.
3696
3697         PR other/30530
3698         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
3699         decimal128ClearSign to flip and clear the sign bit in decimal128.
3700         (decimal_real_maxval): Set decimal128SetSign to set the sign
3701         bit in decimal128.
3702
3703 2007-03-23  Ian Lance Taylor  <iant@google.com>
3704
3705         * fold-const.c (fold_binary): Correct warning for X - c >= X.
3706
3707 2007-03-23  Ian Lance Taylor  <iant@google.com>
3708
3709         * tree-dump.c (dump_files): Correct comment.
3710
3711 2007-03-23  Ian Lance Taylor  <iant@google.com>
3712
3713         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
3714
3715 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
3716
3717         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
3718         in cfglayout mode.  Don't go into and out of cfglayout mode.
3719         Link the blocks in the order of the constructed traces.
3720         (rest_of_handle_tracer): Adjust call to tracer.
3721         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
3722         Don't go into cfglayout mode.
3723         (rtl_loop_done): Don't go out of cfglayout mode.
3724         * cfglayout.c (relink_block_chain): New function, split out from...
3725         (fixup_reorder_chain): ...here.  Remove redundant checking.
3726         (cfg_layout_finalize): Don't clear the header, footer, and aux
3727         fields here, move the code to do so to relink_block_chain.  Likewise
3728         for free_original_copy_tables.
3729         * rtl.h (tracer): Update prototype.
3730         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
3731         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
3732         mode.  Use relink_block_chain to serialize the CFG according to the
3733         new basic block order.  Move targetm.cannot_modify_jumps_p check from
3734         here...
3735         (gate_handle_reorder_blocks): ...to here.
3736         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
3737         from here...
3738         (gate_duplicate_computed_gotos): ...to here.
3739         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
3740         something always changes when going into and out of cfglayout mode.
3741         Perform an expensive cfg cleanup while going into cfglayout mode.
3742         Always update liveness information on HAVE_conditional_execution
3743         targets.  Reserialize the basic blocks and go out of cfglayout mode.
3744         * reg-stack.c: Include cfglayout.h.
3745         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
3746         the call to reorder_basic_blocks.
3747         * basic-block.h (reorder_basic_blocks): Update prototype.
3748         (relink_block_chain): New prototype.
3749         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
3750
3751 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
3752
3753         * config/mips/mips.md (type, hazard, *movdi_32bit,
3754         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
3755         *movhi_internal, *movqi_internal, *movsf_hardfloat,
3756         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
3757         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
3758         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
3759         applicable.
3760         (movcc): Change first xfer to multi.
3761         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
3762         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
3763         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
3764         config/mips/generic.md: Change reservations using "xfer" to use
3765         "mfc,mtc".
3766         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
3767         using match_operand.
3768         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
3769         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
3770         examining mode.
3771         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
3772
3773 2007-03-22  Richard Henderson  <rth@redhat.com>
3774
3775         * config/i386/i386.c: Remove unnecessary function declarations.
3776         Move targetm definition, and all related macros, to the end of
3777         the file.  Resort some functions to put definitions before uses.
3778         (ix86_attribute_table): Make static.  Move to end of file.
3779         (ix86_gimplify_va_arg): Make static.
3780
3781 2007-03-22  Richard Henderson  <rth@redhat.com>
3782
3783         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
3784         don't increase local_regparm with force_align_arg_pointer check.
3785         (ix86_function_sseregparm): Assert 32-bit.
3786         (type_has_variadic_args_p): New.
3787         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
3788         type_has_variadic_args_p.
3789         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
3790         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
3791         use memset instead.  Do maybe_vaarg check first; skip attribute
3792         tests if true; skip attribute tests for 64-bit.
3793         (construct_container): Remove TARGET_DEBUG_ARG.
3794         (function_arg_advance_32, function_arg_advance_64): Split out ...
3795         (function_arg_advance): ... from here.
3796         (function_arg_32, function_arg_64): Split out ...
3797         (function_arg): ... from here.
3798         (ix86_pass_by_reference): Tidy.
3799         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
3800         (function_value_32): New, from parts of ix86_function_value
3801         and ix86_value_regno.
3802         (function_value_64): New, from parts of ix86_function_value
3803         and ix86_libcall_value.
3804         (ix86_function_value_1): New.
3805         (ix86_function_value, ix86_libcall_value): Use it.
3806         (return_in_memory_32, return_in_memory_64): Split out ...
3807         (ix86_return_in_memory): ... from here.
3808         (ix86_struct_value_rtx): Skip for 64-bit.
3809         (ix86_libcall_value, ix86_value_regno): Remove.
3810         (setup_incoming_varargs_64): Split out ...
3811         (ix86_setup_incoming_varargs): ... from here.
3812         (ix86_va_start): Remove TARGET_DEBUG_ARG.
3813         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
3814         * config/i386/i386-protos.h (ix86_function_value): Remove.
3815         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
3816
3817 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3818
3819         PR other/23572
3820         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
3821         infinities not supported, otherwise emit warning if -Woverflow. On
3822         underflow, emit warning if -Woverflow.
3823         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
3824         and 0 otherwise.
3825         * real.h (real_from_string): Update declaration
3826
3827 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
3828             Richard Henderson  <rth@redhat.com>
3829
3830         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
3831         * calls.c (compute_argument_block_size, expand_call,
3832         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
3833         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
3834         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
3835         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
3836         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
3837         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
3838         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
3839         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
3840         Set to 1.
3841
3842 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
3843
3844         * c-incpath.c (add_sysroot_to_chain): New.
3845         (merge_include_chains): Add sysroot argument.  Call
3846         add_sysroot_to_chain if sysrooted.
3847         (register_include_chains): Update call to merge_include_chains.
3848         * doc/cppopts.texi: Document use of '=' in include directory
3849         arguments.
3850
3851 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
3852
3853         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
3854         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
3855         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
3856         insn pattern using X87MODEF12 mode macro.
3857
3858 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
3859
3860         * regmove.c (regmove_optimize): Use reg_mentioned_p
3861         instead of reg_overlap_mentioned_p for DST.
3862
3863 2007-03-21  Mike Stump  <mrs@apple.com>
3864
3865         * c.opt: Fixup for Objective-C/C++.
3866
3867 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
3868
3869         * explow.c (convert_memory_address): Fold memory reference when
3870         POINTERS_EXTEND_UNSIGNED < 0
3871
3872 2007-03-21  Richard Henderson  <rth@redhat.com>
3873
3874         PR target/31245
3875         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
3876         * config/i386/mmintrin.h (__m64): Likewise.
3877         * config/i386/xmmintrin.h (__m128): Likewise.
3878
3879 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3880
3881         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
3882         (VXWORKS_OS_CPP_BUILTINS): Define.
3883         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
3884         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
3885
3886 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3887
3888         * rtl.h (constant_pool_reference_p): Delete.
3889         (find_constant_src): Declare.
3890         * rtlanal.c (find_constant_src): New function.
3891         * simplify-rtx.c (constant_pool_reference_p): Delete.
3892         * config/i386/i386.md: Use find_constant_src instead of
3893         constant_pool_reference_p/avoid_constant_pool_reference pairs.
3894
3895 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3896
3897         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
3898         * c-cppbuiltin.c (c_cpp_builtins): Define them.
3899
3900 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
3901
3902         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
3903         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
3904         (arm_elf_asm_constructor): Use it.
3905         (arm_elf_asm_destructor): New function.
3906
3907 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
3908
3909         * jump.c (mark_jump_label): Treat SEQUENCE specially.
3910
3911 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
3912
3913         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
3914
3915 2007-03-19  Andrew Haley  <aph@redhat.com>
3916
3917         PR tree-optimization/31264
3918         * tree-vrp.c (register_edge_assert_for_1): Don't look though
3919         VIEW_CONVERT_EXPRs.
3920
3921 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
3922
3923         PR rtl-optimization/30907
3924         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
3925         (fwprop_init): Always call loop_optimizer_initialize.
3926         (fwprop_done): Always call loop_optimizer_finalize.
3927         (fwprop): We always have loop info now.
3928         (gate_fwprop_addr): Remove.
3929         (pass_fwprop_addr): Use gate_fwprop as gate.
3930
3931         PR rtl-optimization/30841
3932         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
3933         df_chain_alloc): Call df_reorganize_refs unconditionally.
3934         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
3935         refs_organized to refs_organized_size.
3936         (df_ref_create_structure): Use refs_organized_size instead of
3937         bitmap_size if refs had been organized, and keep refs_organized_size
3938         up-to-date.
3939         * df.h (struct df_ref_info): Change refs_organized to
3940         refs_organized_size.
3941         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
3942         bitmap_size.
3943
3944 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
3945
3946         * except.c (output_function_exception_table): Do not reference the
3947         EH personality routine for functions that do not require an
3948         exception table.
3949
3950 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
3951
3952         PR c/30762
3953         * c-typeck.c (convert_for_assignment): Call comptypes for
3954         RECORD_TYPE or UNION_TYPE.
3955
3956         PR inline-asm/30505
3957         * reload1.c (reload): Do invalid ASM checking after
3958         cleanup_subreg_operands.
3959
3960 2007-03-19  Jeff Law  <law@redhat.com>
3961
3962         * tree-cfg.c (find_taken_edge): Tighten conditions for
3963         optimizing computed gotos.
3964
3965 2007-03-19  Michael Matz  <matz@suse.de>
3966
3967         * builtins.c (expand_builtin_sync_operation,
3968         expand_builtin_compare_and_swap,
3969         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
3970         correctly.
3971
3972         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
3973         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
3974         for operand 3.
3975
3976 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3977
3978         * doc/tm.texi: Add brackets around the return type of
3979         TARGET_SECONDARY_RELOAD.
3980
3981 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3982         Richard Guenther  <rguenther@suse.de>
3983
3984         PR tree-optimization/31254
3985         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
3986         Use handled_component_p () where appropriate.  Continue
3987         propagating into the rhs if we propagated into an INDIRECT_REF
3988         on the lhs.
3989
3990 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3991
3992         * config/s390/s390.md (op_type attribute): RRR instruction type added.
3993         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
3994         (xde, xdee): Mode attributes adjusted to support DFP modes.
3995         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
3996         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
3997         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
3998         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
3999         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
4000         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
4001         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
4002         numbers.
4003         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
4004         "movsf"): Insn definitions removed.
4005         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
4006         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
4007         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
4008         definitions added.
4009         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
4010         "reload_in<mode>", "reload_out<mode>"): Expander added.
4011         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
4012         Expander removed.
4013
4014 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4015
4016         * config/s390/s390.md: Only non-functional changes.  Renamed
4017         FPR mode macro to BFP all over the file.
4018
4019 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4020
4021         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
4022         (op_type attribute): RRF instruction type added.
4023         (fT0): New mode attribute.
4024         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
4025         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
4026         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
4027         no secondary memory is needed when moving DFmode values between GPRs
4028         and FPRs.
4029
4030 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4031
4032         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
4033         inverted and documentation adjusted.
4034         ("mhard-dfp", "msoft-dfp"): New options.
4035         * config/s390/s390.c (s390_handle_arch_option): New architecture
4036         switch: z9-ec.
4037         (override_options): Sanity checks for the new options added.
4038         * config.gcc: New architecture switch: z9-ec.
4039         * config/s390/s390.h (processor_flags): PF_DFP added.
4040         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
4041         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
4042         when the bit is NOT set so remove it from the defaults.
4043
4044 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4045
4046         * genemit.c (main): Print include statement for dfp.h.
4047         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
4048         is not available.
4049
4050 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
4051
4052         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
4053
4054 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
4055
4056         PR target/31022
4057         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
4058         instead of PATTERN.
4059
4060 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4061
4062         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
4063         attr_length_call, output_call, output_indirect_call): Cleanup
4064         formatting of targetm calls.
4065
4066 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
4067
4068         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
4069
4070 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4071
4072         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
4073         reservation, bypass and anti-bypass descriptions for these instructions.
4074         Update move patterns.
4075         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
4076         TYPE_FPSTORE.
4077
4078 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
4079
4080         * tree-vect-transform.c (get_initial_def_for_induction): Replace
4081         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
4082         (get_initial_def_for_reduction): Likewise.
4083
4084 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
4085
4086         Fix PR tree-optimization/29922
4087         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
4088         (get_representative): Removed.
4089         (value_dies_in_block_x): Update for rvuse removal.
4090         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
4091         (compute_antic_aux): Handle when PHI nodes appear in
4092         non-single-successors.
4093         (dump_bitmap_of_names): Removed.
4094         (compute_antic_safe): Renamed and removed rvuse calculation.
4095         Calculate only antic safe.
4096         (insert_into_preds_of_block): Remove assert.
4097         (execute_pre): Update for renamed functions.
4098         (defer_or_phi_translate_block): New function.
4099
4100 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
4101
4102         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
4103         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
4104         typos.
4105         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
4106         Follow spelling conventions.
4107
4108         * tree-data-ref.h: Remove the prototype for analyze_array.
4109
4110 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
4111
4112         PR tree-optimization/31041
4113         * tree-vect-transform.c (get_initial_def_for_induction): Call
4114         force_gimple_operand.
4115
4116 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
4117
4118         * ipa-type-escape.c (look_for_casts) : Revert code to use
4119         handled_component_p due to ada test a-numaux.adb.
4120
4121 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
4122
4123         * final.c (final_scan_insn): Alter the condition of a
4124         conditional trap if we have nonstandard CC.
4125
4126 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
4127
4128         * configure.ac: Remove excess quoting from asm line 0 test.
4129         * configure: Rebuilt.
4130
4131 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4132
4133         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
4134         * c-common.c (convert_and_check): Move warning logic to...
4135         (warnings_for_convert_and_check): ...here. Define.
4136         * c-common.h (warnings_for_convert_and_check): Declare.
4137
4138 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4139
4140         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
4141         (output_call): Likewise.
4142
4143 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
4144
4145         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
4146
4147 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
4148
4149         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
4150
4151 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
4152
4153         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
4154         opteron, athlon-64 and athlon-fx processor_alias_table entries.
4155
4156 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
4157
4158         PR tree-optimization/31183
4159         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
4160         Use double_int instead of unsigned int for representing access_strides.
4161         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
4162
4163 2007-03-16  Richard Guenther  <rguenther@suse.de>
4164
4165         PR tree-optimization/31146
4166         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
4167         to allow recursion of forward_propagate_addr_expr.
4168         (forward_propagate_addr_into_variable_array_index): Likewise.
4169         (forward_propagate_addr_expr): Likewise.
4170         (tree_ssa_forward_propagate_single_use_vars): Likewise.
4171         (forward_propagate_addr_expr_1): Recurse on simple copies
4172         instead of propagating into them.  Do so for useless conversions
4173         as well.
4174         (forward_propagate_addr_expr): Clean up unused statements after
4175         recursion.
4176
4177 2007-03-16  Richard Guenther  <rguenther@suse.de>
4178
4179         * builtins.c (expand_builtin_cexpi): Use the right argument
4180         for the expansion via cexp.
4181
4182 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
4183
4184         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
4185         * configure: Rebuilt.
4186
4187 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
4188
4189         PR debug/29906
4190         * dwarf2out.c (force_type_die): Adjust comment.
4191         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
4192
4193 2007-03-15  DJ Delorie  <dj@redhat.com>
4194
4195         * config/frv/predicates.md (minmax_operator): Don't check operands
4196         here.
4197
4198 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
4199
4200         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
4201         Update constant estimates of number of iterations.
4202         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
4203         argument renamed to "realistic".
4204         (compute_estimated_nb_iterations): Removed.
4205         (record_niter_bound): New function.
4206         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
4207         call record_nonwrapping_iv with upper = false.
4208         (infer_loop_bounds_from_signedness): Pass upper argument to
4209         record_nonwrapping_iv.
4210         (estimate_numbers_of_iterations_loop): Do not call
4211         compute_estimated_nb_iterations.  Record estimate based on profile
4212         information.  Initialize the constant estimates of number of
4213         iterations.
4214         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
4215         estimates.
4216         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
4217         number of iterations is too small.
4218         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
4219         (EST_NOT_AVAILABLE): Removed.
4220         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
4221         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
4222         fields.
4223
4224 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
4225
4226         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
4227         Handle NE_EXPR guards.
4228
4229 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4230
4231         PR c++/24924
4232         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
4233         Set also -pedantic-errors by default for the  preprocessor unless
4234         -fpermissive is given.
4235
4236 2007-03-15  Richard Guenther  <rguenther@suse.de>
4237
4238         PR middle-end/29719
4239         PR middle-end/31161
4240         * builtins.c (expand_builtin_cexpi): As a fallback if we
4241         don't have builtins for sincos or cexp create a function
4242         declaration for cexp and expand to a call to that.
4243         (expand_builtin_int_roundingfn): Always fall
4244         back to floor/ceil and its variants even if they may be
4245         not available.
4246
4247 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
4248
4249         PR middle-end/31159
4250         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
4251         jump tables, move the call to delete_dead_jumptables from here...
4252         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
4253         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
4254         don't allow merging of blocks that try_redirect_by_replacing_jump
4255         also does not handle when not optimizing.
4256
4257 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
4258             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
4259
4260         * config/i386/i386.md (x86_sahf_1): Correctly handle
4261         HAVE_AS_IX86_SAHF.
4262
4263 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
4264
4265         PR target/31167
4266         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
4267         x86_64_general_operand as operand[2] predicate.  Remove "iF"
4268         from operand constraints and use "e" constraint instead.
4269         (*subti3_1, *subti3_1 splitter): Ditto.
4270         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
4271         operand[1] predicate.
4272
4273 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
4274
4275         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
4276         arrays, multiply the access strides by the size of the sub-array.
4277         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
4278
4279 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
4280
4281         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
4282         the configured assembler supports the sahf mnemonic.
4283         * configure: Regenerate.
4284         * config.in: Regenerate.
4285
4286         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
4287         emit "sahf" or ".byte\t0x9e" as asm template.
4288
4289 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
4290
4291         PR 31018
4292         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
4293         option to replace hard coded TARGET_xxx in md file.
4294         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
4295         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
4296         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
4297         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
4298         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
4299         (X86_TUNE_NOT_VECTORMODE): Ditto.
4300         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
4301         (TUNE_AVOID_VECTOR_DECODE): Ditto.
4302         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
4303         (TUNE_SLOW_IMUL_IMM8): Ditto.
4304         (TUNE_MOVE_M1_VIA_OR): Ditto.
4305         (TUNE_NOT_UNPAIRABLE): Ditto.
4306         (TUNE_NOT_VECTORMODE): Ditto.
4307
4308         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
4309         options.
4310
4311         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
4312         tuning options instead of hard coded TARGET_xxx.
4313         (fix ssemode peephole2's): Ditto.
4314         (imul peephole2's): Ditto.
4315         (movsi_or): Ditto.
4316         (movdi_or_rex64): Ditto.
4317         (move peephole2): Ditto.
4318         (not peephole2's): Ditto.
4319
4320 2007-03-14  Dirk Mueller  <dmueller@suse.de>
4321
4322         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
4323         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
4324         * c-parser.c (c_parser_if_body): Always add an empty statement in case
4325         of empty body.
4326         * c-parser.c (c_parser_do_statement): Warn about empty body in
4327         do/while statement.
4328         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
4329         * doc/invoke.texi (-Wempty-body): Update documentation.
4330
4331 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4332
4333         PR c/21438
4334         * c-common.h (warn_for_div_by_zero): Declare.
4335         * c-common.c (warn_for_div_by_zero): Define.
4336         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
4337         warning.
4338
4339 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4340
4341         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
4342         to PREFIX and STANDARD_PREFIX.
4343
4344 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4345             Phil Edwards  <phil@codesourcery.com>
4346
4347         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
4348         (__gthread_once_t): Remove busy field for RTPs.
4349         (__GTHREAD_ONCE_INIT): Update accordingly.
4350
4351 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4352
4353         * doc/invoke.texi: Document VxWorks options.
4354
4355 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
4356
4357         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
4358
4359 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
4360
4361         PR tree-optimization/30590
4362         * tree-nrv.c (tree_nrv): Check for the partial update of the
4363         return value.
4364
4365 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
4366
4367         * flags.h (flag_random_seed): Remove declaration, in favor of...
4368         * toplev.h (get_random_seed, set_random_seed): ... these.
4369         * tree.c (get_file_function_name): Use the former.
4370         * opts.c (common_handle_option): Use the latter.
4371         * toplev.c
4372
4373 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
4374
4375         PR middle-end/31127
4376         * cse.c (cse_find_path): Do not bail out if a basic block that
4377         we already visited now becomes part of a path that starts at a
4378         different basic block.  Just disallow this, to make sure we
4379         visit each basic block at most once.
4380
4381 2007-03-13  Jan Hubicka  <jh@suse.cz>
4382
4383         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
4384         when profile esitmate is present, calls with very low frequency are
4385         cold.
4386
4387 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
4388
4389         PR tree-optimization/30730
4390         PR tree-optimization/26900
4391         * tree-ssa-loop-niter.c: Include gmp.h.
4392         (bounds): New type.
4393         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
4394         split_to_var_and_offset, determine_value_range,
4395         bound_difference_of_offsetted_base, refine_bounds_using_guard,
4396         bound_difference, bounds_add, bounds_negate,
4397         number_of_iterations_ne_max, dump_affine_iv): New functions.
4398         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
4399         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
4400         difference of initial and final value of control iv to validate
4401         results.
4402         (number_of_iterations_cond): Add loop parameter.  Determine bounds
4403         on the difference of the extremes of the control iv.  Add dumps.
4404         (expand_simple_operations): Handle phi nodes.
4405         (simplify_using_initial_conditions): Do not record used conditions.
4406         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
4407         Do not set additional_info.
4408         (implies_nonnegative_p, implies_ge_p): Removed.
4409         (derive_constant_upper_bound): Do not use parameter `additional'.
4410         (record_estimate): Parameter `additional' removed.  Parameter
4411         `i_bound' added.  Do not call derive_constant_upper_bound.
4412         (record_nonwrapping_iv): Use derive_constant_upper_bound to
4413         bound the number of iterations estimate.
4414         (estimate_numbers_of_iterations_loop): Pass the estimate from
4415         the number of iterations analysis to record_estimate.
4416         * tree.h (multiple_of_p): Declare.
4417         * tree-scalar-evolution.c (expression_expensive_p): Removed.
4418         (scev_const_prop): Do not check expression_expensive_p.
4419         * fold-const.c (multiple_of_p): Exported.
4420         * double-int.c (double_int_mask): Exported.
4421         * double-int.h (double_int_mask): Declare.
4422         * tree-flow.h (struct tree_niter_desc): Removed additional_info
4423         field.  Added max field.
4424
4425 2007-03-13  David Taylor  <taylor@candd.org>
4426
4427         PR driver/12448:
4428         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
4429         default -MQ.
4430
4431 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4432
4433         PR target/31123
4434         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
4435         two unamed patterns.
4436
4437 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
4438
4439         * config/i386/i386.opt (mcx16, msahf): New options.
4440         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
4441         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
4442
4443         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
4444         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
4445         Output -mcx16 and -msahf options when corresponding bit is set.
4446
4447         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
4448         and -msahf options.
4449
4450 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
4451
4452         * configure.ac: Test for assembler tolerance to # 0 "".
4453         * configure, config.in: Rebuilt.
4454         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
4455
4456 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
4457
4458         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
4459
4460         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
4461         (handle_syscall): Handle direct system calls.
4462         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
4463
4464 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
4465
4466         * doc/invoke.texi: Fix cpp.info cross-reference.
4467         * doc/passes.texi: Fix gcc.info cross-reference.
4468
4469 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
4470
4471         PR tree-optimization/30835
4472         * lambda-code.c (can_convert_to_perfect_nest): Check whether
4473         bb_for_stmt is not NULL before accessing it.
4474
4475 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
4476
4477         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
4478         some multilibs.
4479
4480 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
4481
4482         PR 30635
4483         * doc/install.texi: Document --enable-stage1-languages
4484
4485 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
4486
4487         * tree-pass.h (pass_into_cfg_layout_mode,
4488         pass_outof_cfg_layout_mode): Declare.
4489         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
4490         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
4491         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
4492         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
4493
4494 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
4495
4496         * c-decl.c (warn_variable_length_array): New function.
4497         Refactored from grokdeclarator to handle warn_vla
4498         and handle unnamed array case.
4499         (grokdeclarator): Refactored VLA warning case.
4500         * c.opt (Wvla): New flag.
4501         * doc/invoke.texi (Wvla): New warning.
4502
4503 2007-03-12  Richard Henderson  <rth@redhat.com>
4504
4505         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
4506         (TARGET_SECTION_TYPE_FLAGS): New.
4507
4508 2007-03-12  Richard Henderson  <rth@redhat.com>
4509
4510         * config/darwin.c (machopic_reloc_rw_mask): New.
4511         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
4512         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
4513
4514 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
4515
4516         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
4517         * cppdefault.h (cpp_PREFIX): Document.
4518         (cpp_PREFIX_len): Likewise.
4519         (cpp_EXEC_PREFIX): New variable.
4520         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
4521         * c-incpath.c (add_standard_paths): Correct logic for relocating
4522         paths within prefix.
4523
4524 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
4525
4526         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
4527         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
4528         mode macro.
4529         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
4530         fix_truncdfdi_sse using SSEMODEF mode macro.
4531         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
4532         fix_truncdfsi_sse using SSEMODEF mode macro.
4533         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
4534         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
4535
4536 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
4537
4538         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
4539         elfos.h to tm_file.
4540
4541 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
4542
4543         * tree.h : Add multiple_of_p declaration.
4544         * fold-const.c (multiple_of_p): Make multiple_of_p public.
4545         * ipa-type-escape.c (results_of_malloc): Redundant.
4546         (visited_stmts): New. Visited stmt for walk_use_def_chains.
4547         (cast_type): Extended with new members.
4548         (check_cast): Returns cast_type.
4549         (cast): New structure for data of walk_use_def_chains.
4550         (is_malloc_result, is_cast_from_non_pointer_1,
4551         is_cast_from_non_pointer,
4552         is_array_access_through_pointer_and_index): New functions.
4553         (look_for_casts): Returns cast types.
4554         (check_call): Returns void.
4555         (okay_pointer_operation): Use support of pointer plus index,
4556         pointer plus constant and allow all multiplications.
4557
4558 2007-03-11  Richard Guenther  <rguenther@suse.de>
4559
4560         PR tree-optimization/31115
4561         * tree-vrp.c (extract_range_from_binary_expr): Make sure
4562         the shift count is positive and non-anti-range for RSHIFT_EXPR.
4563         A shift count of zero is not special as with *_DIV_EXPR.
4564         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
4565         direction.
4566
4567 2007-03-11  Ian Lance Taylor  <iant@google.com>
4568
4569         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
4570         the *_DIV_EXPR codes correctly with overflow infinities.
4571
4572 2007-03-11  Ira Rosen  <irar@il.ibm.com>
4573
4574         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
4575         indicate success/failure of the analysis. Add negation to subtrahend
4576         in case of subtraction. Fail if both operands contain constants.
4577         (create_data_ref): Fail if analyze_offset fails.
4578
4579 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
4580
4581         * config/i386/i386.md (frndintxf2): Rename to ...
4582         (rintxf2): ... this. Remove expander having same name.
4583         (rintsf2, rintdf2): Implement using SSEMODEF macro.
4584         (roundsf2, rounddf2): Ditto.
4585         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
4586         (lround<mode>di2, lround<mode>si2): Ditto.
4587
4588 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
4589
4590         * lower-subreg.c: Include except.h.
4591         (decompose_multiword_subregs): Verify that the only control flow
4592         insns we can split are loads to multi-words pseudos.
4593         Handle breaking such blocks after splitting, instead of calling
4594         find_many_sub_basic_blocks.
4595
4596         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
4597         on the new basic block.  Add a lengthy comment explaining why we
4598         thought this was necessary.
4599         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
4600
4601 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
4602
4603         PR c++/30924
4604         * tree.c (walk_type_fields): Recurse into the element type of
4605         ARRAY_TYPEs if there is a pointer set.
4606
4607 2007-03-10  Dirk Mueller  <dmueller@suse.de>
4608
4609         * c-common.c (warn_logical_operator): Fix condition.
4610
4611 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
4612
4613         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
4614         quotation mark.
4615         * config/darwin.c (machopic_select_section): Remove superfluous
4616         argument in call to categorize_decl_for_section.  Remove unused
4617         variable shlib.
4618
4619 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
4620
4621         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
4622         defined.
4623         * configure: Regenerate.
4624
4625 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
4626
4627         PR target/31101
4628         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
4629         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
4630         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
4631         Add LABEL_NUSES to emitted label.
4632         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
4633         branch probability value to emitted jump insn.
4634         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
4635         Do not check life information and do not re-arrange input operands
4636         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
4637
4638 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4639
4640         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
4641         the change of decode_asm_operands.
4642
4643 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4644
4645         * mode-switching.c (create_pre_exit): Skip blockage insn.
4646
4647 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
4648
4649         * tree-pass.h (TODO_update_smt_usage): Remove.
4650         Update all users.
4651         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
4652         argument SOME.
4653         Update all users.
4654
4655 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4656
4657         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
4658         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
4659         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
4660         SOM target.
4661
4662 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
4663
4664         * gcc.c: Document %{, in big comment at top.
4665         (input_suffix_matches): Remove special handling for .s and
4666         .S.
4667         (input_spec_matches): New.
4668         (handle_braces): Handle %{,.
4669         (validate_switches): ',' indicates a value which is not a switch.
4670         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
4671         to detect assembler input.
4672         * config/i386/sol2.h (CPP_SPEC): Likewise.
4673         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
4674         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
4675         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
4676         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
4677         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
4678         -m64 causes deployment target to default to 10.5.
4679         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
4680
4681 2007-03-09  Richard Henderson  <rth@redhat.com>
4682
4683         PR target/26090
4684         * target.h (targetm.asm.out.reloc_rw_mask): New.
4685         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
4686         (TARGET_ASM_OUT): Use it.
4687         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
4688         * varasm.c (categorize_decl_for_section): Remove shlib argument;
4689         use the new reloc_rw_mask target hook instead.
4690         (default_section_type_flags_1): Merge into...
4691         (default_section_type_flags): ... here.
4692         (decl_readonly_section_1): Merge into...
4693         (decl_readonly_section): ... here.
4694         (default_elf_select_section_1): Merge into...
4695         (default_elf_select_section): ... here.
4696         (default_unique_section_1): Merge into...
4697         (default_unique_section): ... here.
4698         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
4699         (default_select_rtx_section): Use it.
4700         (default_elf_select_rtx_section): Likewise.
4701         * output.h: Update to match.
4702         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
4703         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
4704         (TARGET_ASM_RELOC_RW_MASK): New.
4705         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
4706         to categorize_decl_for_section.
4707         (x86_64_elf_unique_section): Likewise.
4708         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
4709         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
4710         (TARGET_ASM_RELOC_RW_MASK): New.
4711         * config/ia64/ia64.c (ia64_rwreloc_select_section,
4712         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
4713         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
4714         (TARGET_RWRELOC): Remove.
4715         (ia64_section_type_flags): Adjust call to default_section_type_flags.
4716         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
4717         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
4718         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
4719         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
4720         (rs6000_xcoff_select_section): Use decl_readonly_section.
4721         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
4722         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
4723         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
4724         (TARGET_SECTION_TYPE_FLAGS): Remove.
4725         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
4726
4727 2007-03-09  Roger Sayle  <roger@eyesopen.com>
4728
4729         * fold-const.c (fold_comparison): Remove compile-time evaluation of
4730         complex constant equality/inequality comparisons for here.
4731         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
4732         known at compile-time or can be simplified to a scalar comparison.
4733         (fold_relational_const): Move compile-time evaluation of complex
4734         constant equality/inequality comparisons to here.
4735
4736 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4737
4738         PR rtl-optimization/30643
4739         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
4740         dest_addr_elt.
4741         (fold_rtx): Recurse, like before 2006-11-03.
4742
4743 2007-03-09  DJ Delorie  <dj@redhat.com>
4744
4745         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
4746         m32c-pragma.o.
4747
4748 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
4749
4750         PR tree-optimization/30375
4751         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
4752         LHS of statements is not the same.
4753         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
4754
4755 2007-03-09  Chao-ying Fu  <fu@mips.com>
4756
4757         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
4758         REV 2.
4759         * doc/invoke.texi (-mdspr2): Document new option.
4760         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
4761         New unspec for DSP REV 2.
4762         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
4763         these instructions are extended in DSP REV 2.
4764         (mips-dspr2.md): Include.
4765         * config/mips/mips.opt (mdspr2): New option.
4766         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
4767         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
4768         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
4769         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
4770         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
4771         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
4772         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
4773         and 2 builtins.
4774         (bdesc_map): Add one field of unsupported_target_flags.
4775         (bdesc_arrays):  Update entries to have extra fields.  Add
4776         dsp_32only_bdesc.
4777         (mips_init_builtins): Initialize new function types.
4778         Check unsupported_target_fileds to filter out builtins.
4779         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
4780         TARGET_DSPR2.
4781         (ASM_SPEC): Pass mdspr2 to the assembler.
4782         * config/mips/mips-dspr2.md: New file.
4783
4784 2007-03-09  Sa Liu  <saliu@de.ibm.com>
4785
4786         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
4787
4788 2007-03-09  Ian Lance Taylor  <iant@google.com>
4789
4790         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
4791         argument) like -Wstrict-overflow=2.
4792         * doc/invoke.texi (Warning Options): Update documentation.
4793
4794 2007-03-09  Dirk Mueller  <dmueller@suse.de>
4795
4796         PR c++/17946
4797         * doc/invoke.texi (-Wlogical-op): Document.
4798         * common.opt (-Wlogical-op): New.
4799         * c-common.h (warn_logical_operator): Declare.
4800         * c-common.c (warn_logical_operator): Define.
4801         * c-typeck.c (parser_build_binary_op): Call
4802         warn_logical_operator.
4803
4804 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4805
4806         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
4807         * final.c (final_scan_insn): Test for non-"" file name.
4808
4809 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
4810
4811         * doc/loop.texi: Document the Omega linear constraints solver.
4812         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
4813         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
4814         omega-hash-table-size, omega-max-keys, and
4815         omega-eliminate-redundant-constraints.
4816         * tree-pass.h (pass_check_data_deps): Declared.
4817         * omega.c: New.
4818         * omega.h: New.
4819         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
4820         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
4821         pass_check_data_deps): New.
4822         * tree-data-ref.c (init_data_ref): Remove declaration.
4823         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
4824         (analyze_array): Renamed init_array_ref, move up initializations.
4825         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
4826         Removed arguments that are set to NULL.
4827         (analyze_indirect_ref): Correct indentation, correct call to
4828         init_pointer_ref.
4829         (object_analysis): Call init_array_ref instead of analyze_array.
4830         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
4831         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
4832         of DR_ACCESS_FNS_ADDR.
4833         (init_omega_eq_with_af, omega_extract_distance_vectors,
4834         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
4835         ddr_consistent_p): New.
4836         (compute_affine_dependence): Check consistency of ddrs when
4837         flag_check_data_deps is passed.
4838         (analyze_all_data_dependences): Uncomment.
4839         (tree_check_data_deps): New.
4840         * tree-data-ref.h: Include omega.h.
4841         (DR_ACCESS_FNS_ADDR): Removed.
4842         (data_dependence_relation): Add inner_loop.
4843         (DDR_INNER_LOOP): New.
4844         * common.opt (fcheck-data-deps): New.
4845         * tree-flow.h (tree_check_data_deps): Declare.
4846         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
4847         (OBJS-common): Depend on omega.o.
4848         (omega.o): Define.
4849         * passes.c (pass_check_data_deps): Scheduled.
4850         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
4851         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
4852         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
4853         PARAM_VECT_MAX_VERSION_CHECKS,
4854         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
4855
4856 2007-03-09  Richard Guenther  <rguenther@suse.de>
4857
4858         PR tree-optimization/30904
4859         PR middle-end/31058
4860         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
4861         the same way as *_DIV_EXPR.
4862
4863 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4864
4865         * recog.c (decode_asm_operands): No mixed declarations and code.
4866
4867 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4868
4869         * rtl.def (ASM_INPUT): Add location.
4870         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
4871         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
4872         (decode_asm_operands): Add loc operand.
4873         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
4874         * stmt.c (expand_asm): Rename to...
4875         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
4876         gen_rtx_ASM_INPUT_loc.
4877         (expand_asm_expr): Adjust.
4878         * recog.c (decode_asm_operands): Add loc operand.
4879         (check_asm_operands, extract_insn): Adjust.
4880         * reload1.c (maybe_fix_stack_asms): Likewise.
4881         * final.c (asm_insn_count): Likewise.
4882         (final_scan_insn): Output # line before and after asm.
4883
4884 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
4885
4886         * tree-ssa-structalias.c (variable_info): Remove
4887         finished_solution.
4888         (new_var_info): Ditto.
4889         (shared_bitmap_info_t): New structure.
4890         (shared_bitmap_table): New variable.
4891         (shared_bitmap_hash): New function.
4892         (shared_bitmap_eq): Ditto
4893         (shared_bitmap_lookup): Ditto.
4894         (shared_bitmap_add): Ditto.
4895         (merge_smts_into): Change to take bitmap directly.
4896         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
4897         (init_alias_vars): Init shared bitmap hashtable.
4898         (delete_points_to_sets): Delete shared bitmap hashtable.
4899         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
4900         is_aliased removal as a change that was still necessary was
4901         deleted.
4902
4903 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
4904
4905         * config/i386/i386.h (override_options): Conditionally disable
4906         x86_sahf for 64bit targets only.
4907
4908 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4909
4910         PR C/31072
4911         * c-decl.c (merge_decls): Don't call make_var_volatile.
4912         * varasm.c (make_var_volatile): Remove.
4913         * output.h (make_var_volatile): Remove.
4914
4915 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
4916
4917         PR tree-optimization/31085
4918         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
4919
4920 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4921
4922         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
4923         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
4924         ATTR_CONST_NOTHROW_LIST.
4925
4926         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
4927         FIX_TRUNC_EXPR.
4928
4929 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
4930
4931         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
4932
4933 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
4934
4935         PR 31013
4936         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
4937         is declared.
4938         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
4939         passed, use shared libgcc.
4940
4941 2007-03-08  Roger Sayle  <roger@eyesopen.com>
4942
4943         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
4944         instead of calling build2 with a GIMPLE_MODIFY_STMT.
4945         (honor_protect_cleanup_actions, lower_try_finally_switch):
4946         Likewise.
4947         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
4948         ifc_temp_var): Likewise.
4949         * tree-inline.c (setup_one_parameter): Likewise.
4950         * tree-mudflap.c (mf_decl_cache_locals,
4951         mf_build_check_statement_for): Likewise.
4952         * tree-nested.c (init_tmp_var, save_tmp_var,
4953         finalize_nesting_tree_1): Likewise.
4954         * tree-outof-ssa.c (insert_copy_on_edge,
4955         insert_backedge_copies): Likewise.
4956         * tree-profile.c (tree_gen_edge_profiler,
4957         tree_gen_ic_profiler): Likewise.
4958         * tree-scalar-evolution.c (scev_const_prop): Likewise.
4959         * tree-sra.c (sra_build_assignment): Likewise.
4960         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
4961         * tree-ssa-math-opts.c (insert_reciprocals,
4962         execute_cse_sincos_1): Likewise.
4963         * tree-tailcall.c (adjust_accumulator_values,
4964         adjust_return_value): Likewise.
4965         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
4966         * tree-vect-transform.c (vect_create_data_ref_ptr,
4967         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
4968         vect_create_epilog_for_reduction, vectorizable_reduction,
4969         vectorizable_call, vectorizable_conversion,
4970         vectorizable_assignment, vectorizable_operation,
4971         vectorizable_type_demotion, vect_gen_widened_results_half,
4972         vect_permute_store_chain, vectorizable_store,
4973         vect_setup_realignment, vect_permute_load_chain,
4974         vectorizable_load, vectorizable_condition,
4975         vect_create_cond_for_align_checks): Likewise.
4976         * tree-vrp.c (build_assert_expr_for): Likewise.
4977
4978 2007-03-08  Ian Lance Taylor  <iant@google.com>
4979
4980         * tree-vrp.c: Include "intl.h".
4981         (usable_range_p): New static function.
4982         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
4983         overflowed values, juts set *strict_overflow_p.
4984         (compare_values): Only return -2 if one of the operands is not a
4985         constant.
4986         (compare_ranges): Call usable_range_p.
4987         (compare_range_with_value): Likewise.
4988         (vrp_evaluate_conditional_warnv): Rename from
4989         vrp_evaluate_conditional.  Make static.  Change all callers.
4990         (vrp_evaluate_conditional): New function.
4991         (simplify_div_or_mod_using_ranges): Issue warning about reliance
4992         on signed overflow.
4993         (simplify_abs_using_ranges): Likewise.
4994         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
4995         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
4996         within_stmt parameter.
4997         * tree-ssa-propagate.c (fold_predicate_in): Update call to
4998         vrp_evaluate_conditional.
4999         * tree-ssa-threadedge.c
5000         (record_temporary_equivalences_from_stmts_at_dest): Change
5001         simplify parameter to take a second tree parameter.
5002         (simplify_control_stmt_condition): Likewise.
5003         (thread_across_edge): Likewise.
5004         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
5005         (thread_across_edge): Likewise.
5006         * Makefile.in (tree-vrp.o): Depend upon intl.h.
5007
5008 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
5009
5010         * config/i386/i386.h (TARGET_SAHF): New define.
5011         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
5012         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
5013         (x86_sahf): New global variable.
5014         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
5015         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
5016         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
5017         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
5018         for 64-bit.
5019         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
5020         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
5021         when expanding fcomi/sahf based tests.
5022         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
5023         expanding sahf based alternative. Emit sahf based sequence when
5024         optimizing for code size.
5025         * config/i386/i386.md (x86_sahf_1): Do not disable for
5026         TARGET_64BIT, enable for TARGET_SAHF.
5027
5028 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
5029
5030         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
5031         spurious whitespace from error message.
5032
5033 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
5034
5035         PR c++/30852
5036         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
5037
5038 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
5039
5040         * c-decl.c (grokdeclarator): Disable warnings for anonymous
5041         bitfields.
5042         * tree-sra.c (instantiate_element): Propagate disabled warnings
5043         from the element itself to the created variable.
5044
5045 2007-03-07  Richard Henderson  <rth@redhat.com>
5046
5047         PR target/30848
5048         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
5049         silently fix up the stack in the case of a missing register.
5050
5051 2007-03-07  Paul Brook  <paul@codesourcery.com>
5052
5053         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
5054
5055 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
5056
5057         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
5058         New.
5059         (phase1_vrs): Use them.
5060         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
5061         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
5062         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
5063         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
5064         __gnu_Unwind_Restore_WMMXC if required.
5065         (_Unwind_VRS_Pop): Implement iWMMXt support.
5066         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
5067         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
5068         gnu_Unwind_Save_WMMXC): Define.
5069
5070 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
5071
5072         * config/vxworks.h (vxworks_override_options): Declare.
5073         (VXWORKS_OVERRIDE_OPTIONS): Use it.
5074         * config/vxworks.c: Include target.h and toplev.h.
5075         (vxworks_override_options): New function.
5076         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
5077
5078 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
5079
5080         * config/s390/s390.c (override_options): Don't emit an error when
5081         -mstack-size is used without providing -mstack-guard.
5082         (s390_emit_prologue): Choose stack_guard value automatically if not
5083         provided via command line.
5084         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
5085
5086 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
5087
5088         * config/i386/i386.c (output_set_got): Add a GOT initialization
5089         sequence for VxWorks PIC.
5090         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
5091         around labels as well as symbols.  Use gotoff_operand instead
5092         of local_symbolic_operand.
5093         (legitimize_pic_address): Use gotoff_operand instead of
5094         local_symbolic_operand.  Use @GOT accesses for labels as
5095         well as symbols.
5096         (ix86_output_addr_diff_elt): Use PC-relative rather than
5097         GP-relative offsets for VxWorks PIC.
5098         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
5099         no_new_pseudos.  Check whether the returned register is op0.
5100         * config/i386/i386.md (tablejump): Use PC-relative rather than
5101         GP-relative offsets for VxWorks PIC.
5102         * config/i386/predicates.md (gotoff_operand): New predicate.
5103
5104 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5105
5106         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
5107         before defining.
5108         * config/vxworks-dummy.h: New file.
5109         * config/i386/i386.h: Include it.
5110
5111 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
5112
5113         * dwarf2out.c (is_inlined_entry_point): New
5114         (add_high_low_attributes): Emit DW_AT_entry_pc along with
5115         DW_AT_ranges if the first subblock is the entry point.
5116
5117 2007-03-06  David Daney  <ddaney@avtrex.com>
5118
5119         * doc/install.texi (mips-*-*): Change recommended binutils
5120         version.
5121
5122 2007-03-06  Anatoly Sokolov <aesok@post.ru>
5123
5124         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
5125         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
5126         devices.
5127         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5128         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5129
5130 2007-03-06  Jan Hubicka  <jh@suse.cz>
5131
5132         * errors.h (warning, error, fatal, internal_error): Mark as cold.
5133         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
5134         are hot.
5135         (probably_cold_bb_p): Cold functions are cold.
5136         (probably_never_executed_bb_p): Cold functions are cold.
5137         (tree_bb_level_predictions): Predict calls to cold functions as not
5138         taken.
5139         (compute_function_frequency): Check hot/cold attributes.
5140         * function.h (function_frequency): Update comments.
5141         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
5142         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
5143         (c_common_att): Add cold and hot.
5144
5145         * doc/extend.texi (hot,cold attributes): Document.
5146
5147 2007-03-06  Andrew Haley  <aph@redhat.com>
5148
5149         * function.c (expand_function_end): Move blockage to just after we
5150         emit the label for the naked return from the function.
5151
5152 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5153
5154         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
5155         before redefining.
5156
5157 2007-03-06  Jan Hubicka  <jh@suse.cz>
5158
5159         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
5160         loaded for constant large models.  Non-large 64bit PIC can do.
5161         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
5162         * cmodel.h: Add LARGE PIC.
5163         * i386.md (UNSPEC_PLTOFF): New.
5164         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
5165         needed.
5166         (*call_1_rex64): Disable for large models.
5167         (*call_1_rex64_large): New.
5168         (*call_value_1_rex64): Disable for large models.
5169         (*call_value_1_rex64_large): New.
5170         (set_rip_rex4): New.
5171         (set_got_offset_rex64): New.
5172         * predicates.md (constant_call_address_operand): For large model
5173         constant calls are not possible.
5174         * i386-protos.h (construct_plt_address): Declare.
5175         * i386.c (override_options): Accept large models.
5176         (ix86_expand_prologue): Expand large PIC GOT pointer load.
5177         (legitimate_constant_p): Add new UNSPECs.
5178         (legitimate_pic_operand_p): Likewise.
5179         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
5180         (legitimize_pic_address): Do easy RIP relative way for TLS only for
5181         non-large model.
5182         (output_pic_addr_const): Add PLTOFF.
5183         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
5184         (ix86_expand_move): Legitimize pic address when in PIC mode.
5185         (construct_plt_address): New function.
5186         (ix86_expand_call): Offload the address to register and use GOT pointer
5187         for large model.
5188         * invoke.texi (mcmodel=large): Update documentation.
5189
5190 2007-03-06  Richard Henderson  <rth@redhat.com>
5191
5192         * config/i386/i386.c (x86_use_leave, x86_push_memory,
5193         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
5194         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
5195         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
5196         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
5197         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
5198         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
5199         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
5200         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
5201         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
5202         x86_partial_reg_dependency, x86_memory_mismatch_stall,
5203         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
5204         x86_sse_partial_reg_dependency, x86_sse_split_regs,
5205         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
5206         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
5207         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
5208         x86_schedule, x86_use_bt, x86_pad_returns,
5209         x86_use_xchgb): Merge into ...
5210         (ix86_tune_features): ... here.  New array.
5211         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
5212         x86_bswap): Merge into ...
5213         (ix86_arch_features): ... here.  New array.
5214         (x86_3dnow_a): Remove.
5215         (x86_accumulate_outgoing_args): Make static.
5216         (x86_arch_always_fancy_math_387): Make static.
5217         (ix86_tune_mask, ix86_arch_mask): Move ...
5218         (override_options): ... to local variables here.  Apply the
5219         appropriate mask to each element of ix86_arch_features and
5220         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
5221         as were done in the old macros.
5222         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
5223         * config/i386/i386.h (x86_use_leave, x86_push_memory,
5224         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
5225         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
5226         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
5227         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
5228         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
5229         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
5230         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
5231         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
5232         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
5233         x86_partial_reg_dependency, x86_memory_mismatch_stall,
5234         x86_accumulate_outgoing_args, x86_prologue_using_move,
5235         x86_epilogue_using_move, x86_decompose_lea,
5236         x86_arch_always_fancy_math_387, x86_shift1,
5237         x86_sse_partial_reg_dependency, x86_sse_split_regs,
5238         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
5239         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
5240         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
5241         x86_use_incdec, x86_pad_returns, x86_bswap,
5242         x86_partial_flag_reg_stall): Remove.
5243         (enum ix86_tune_indices): New.
5244         (ix86_tune_features): New.
5245         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
5246         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
5247         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
5248         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
5249         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
5250         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
5251         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
5252         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
5253         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
5254         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
5255         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
5256         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
5257         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
5258         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
5259         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
5260         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
5261         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
5262         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
5263         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
5264         TARGET_EXT_80387_CONSTANTS): Use it.
5265         (enum ix86_arch_indices): New.
5266         (ix86_arch_features): New.
5267         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
5268         TARGET_BSWAP): Use it.
5269         (ix86_tune_mask, ix86_arch_mask): Remove.
5270
5271 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
5272
5273         PR bootstrap/31020
5274         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
5275         Define using $${sysroot_headers_suffix}.
5276         * configure: Regenerate.
5277         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
5278         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
5279         defined.
5280         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
5281         * gcc.c (print_sysroot_headers_suffix): New.
5282         (option_map): Include --print-sysroot-headers-suffix.
5283         (display_help): Mention -print-sysroot-headers-suffix.
5284         (process_command): Handle -print-sysroot-headers-suffix.
5285         (do_spec_1): Append multilib directory to include-fixed path if
5286         sysroot suffixes in use.
5287         (main): Handle -print-sysroot-headers-suffix.
5288         * Makefile.in (start.encap): Don't depend on xlimits.h
5289         (xlimits.h): Remove.
5290         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
5291         limits.h for each multilib in fixinc_list.
5292         (fixinc_list, s-fixinc_list): New.
5293         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
5294         generate them for each multilib in fixinc_list.
5295         (stmp-fixproto): Use include-fixed.  Run fixproto for each
5296         multilib in fixinc_list.
5297         (mostlyclean): Don't remove xlimits.h.
5298         (clean): Remove include-fixed.
5299         (real-install-headers-tar, real-install-headers-cpio,
5300         real-install-headers-cp): Don't copy include, only include-fixed.
5301         (install-mkheaders): Depend on fixinc_list.  Don't depend on
5302         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
5303         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
5304         SYSTEM_HEADER_DIR setting in mkheaders.conf.
5305
5306 2007-03-06  Jan Hubicka  <jh@suse.cz>
5307
5308         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
5309         NANs easilly.
5310
5311 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5312
5313         * configure.ac: Allow tm_file to contain build-directory files.
5314         * configure: Regenerate.
5315         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
5316         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
5317         * config/m68k/print-sysroot-suffix.sh: New file.
5318
5319 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5320
5321         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
5322         of pic_offset_table_rtx if reload_completed.
5323         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
5324         PIC_OFFSET_TABLE_REGNUM.
5325         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
5326         return true.
5327         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
5328         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
5329
5330 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5331
5332         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
5333         functions that call eh_return.
5334
5335 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5336
5337         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
5338         functions that need a constant pool.
5339
5340 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5341
5342         PR target/28181
5343         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
5344         (m68k_preferred_reload_class): Likewise.
5345         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
5346         (SECONDARY_RELOAD_CLASS): Define.
5347         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
5348         (LIMIT_RELOAD_CLASS): Delete.
5349         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
5350         registers from storing bytes.
5351         (m68k_secondary_reload_class): New function.
5352         (m68k_preferred_reload_class): Likewise.
5353
5354 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5355
5356         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
5357         leaf functions.
5358         (m68k_expand_prologue): Likewise.
5359
5360 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5361
5362         * config/m68k/m68k-protos.h (output_sibcall): Declare.
5363         (mips_expand_epilogue): Add a bool parameter.
5364         (m68k_legitimize_sibcall_address): Declare.
5365         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
5366         (m68k_expand_epilogue): Add a parameter to select between sibling
5367         and normal epilogues.  Only generate a return for the latter.
5368         (m68k_ok_for_sibcall_p): New function.
5369         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
5370         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
5371         (sibcall_value, *sibcall_value): Likewise.
5372         (*call, *call_value): Require !SIBLING_CALL_P.
5373         (epilogue): Update call to m68k_expand_epilogue.
5374         (sibcall_epilogue): New pattern.
5375         * config/m68k/predicates.md (const_call_operand): Say that this
5376         predicate applies to sibling calls too.
5377         (sibcall_operand): New predicate.
5378
5379 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5380
5381         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
5382         alternatives as movsi_cf.
5383         (movsf_cf_hard): Add commentary.
5384
5385 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
5386             Richard Sandiford  <richard@codesourcery.com>
5387
5388         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
5389         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
5390         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
5391         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
5392         as being live on exit from an interrupt function.
5393         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
5394         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
5395         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
5396         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
5397         (m68k_interrupt_function_p): Globalize.
5398         (m68k_compute_frame_layout): Remove reverse mask code.
5399         (m68k_emit_movem, m68k_set_frame_related): New functions.
5400         (m68k_output_function_prologue): Delete in favor of...
5401         (m68k_expand_prologue): ...this new function.
5402         (m68k_output_function_epilogue): Delete in favor of...
5403         (m68k_expand_epilogue): ...this new function.
5404         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
5405         functions.
5406         (print_operand): Handle %?.
5407         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
5408         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
5409         (prologue, epilogue): New patterns.
5410         (return): Turn into a define_expand.
5411         (*return): New pattern, derived from old "return" pattern.  Use rte
5412         rather than rts for interrupt functions.  Only use rtd if the pop
5413         count is nonzero.
5414         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
5415         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
5416         (link, *link, unlink, *unlink, load_got): Likewise.
5417
5418 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5419
5420         PR target/23482
5421         PR target/17114
5422         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
5423         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
5424         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
5425         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
5426         and m68k_matches_u_p.
5427         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
5428         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
5429         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
5430         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
5431         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
5432         (REG_STRICT_P): New macro.
5433         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
5434         PCREL_GENERAL_OPERAND_OK.
5435         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
5436         m68k_legitimate_base_reg_p.
5437         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
5438         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
5439         (PIC_CASE_VECTOR_ADDRESS): Update comment.
5440         * config/m68k/m68k.c (m68k_address): New structure.
5441         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
5442         (m68k_decompose_index, m68k_legitimate_constant_address_p)
5443         (m68k_jump_table_ref_p, m68k_decompose_address)
5444         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
5445         (m68k_matches_u_p): New functions.
5446         (print_operand_address): Rewrite to use m68k_decompose_index.
5447
5448 2007-03-05  David Taylor  <dtaylor@emc.com>
5449
5450         * gcc.c: Correct copyright date in --version output.
5451
5452 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5453
5454         * pa.md: In unamed move patterns, disparge copies between general
5455         and floating point registers using '?' modifier.  Don't include 'f'
5456         constraint for register preferences in DImode, SImode, HImode and
5457         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
5458         Remove constraints for copies between general and floating registers
5459         in soft-float DFmode pattern.
5460         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
5461         floating register.
5462         (movsf): Likewise.
5463
5464 2007-03-05  Mike Stump  <mrs@apple.com>
5465
5466         * c-common.c (targetcm): Add.
5467         * c-opts.c (c_common_handle_option): Handle language specific
5468         target options.
5469         * opts.c (handle_option): Verify language for target options, if
5470         any are given.
5471         * opth-gen.awk: Add CL_LANG_ALL.
5472         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
5473         (TARGETCM_INITIALIZER): Add.
5474         * target.h (struct gcc_targetcm): Add.
5475         (targetcm): Add.
5476         * targhooks.c (default_handle_c_option): Add.
5477         * targhooks.h (default_handle_c_option): Add.
5478         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
5479
5480         * config/darwin.opt (iframework): Add.
5481         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
5482         * config/darwin-c.c (handle_c_option): Add.
5483         (TARGET_HANDLE_C_OPTION): Add.
5484         (targetcm): Add.
5485         * doc/invoke.texi (Darwin Options): Add -iframework.
5486
5487 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5488
5489         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
5490         conversion.
5491
5492 2007-03-05  Ian Lance Taylor  <iant@google.com>
5493
5494         * c.opt (fgnu89-inline): New option.
5495         * c-opts.c (c_common_post_options): Set default value for
5496         flag_gnu89_inline.
5497         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
5498         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
5499         inline functions.
5500         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
5501         (grokdeclarator, start_function): Likewise.
5502         * c-cppbuiltin.c (c_cpp_builtins): Define either
5503         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
5504         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
5505         (C Dialect Options): Document -fgnu89-inline.
5506         * doc/extend.texi (Function Attributes): Explain what the
5507         gnu_inline attribute does.
5508         * doc/cpp.texi (Common Predefined Macros): Document
5509         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
5510
5511 2007-03-05  Ian Lance Taylor  <iant@google.com>
5512
5513         PR tree-optimization/31034
5514         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
5515         half-range if the other side is an overflow infinity.
5516
5517 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
5518
5519         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
5520         (bfin*-linux-uclibc*): New configuration.
5521         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
5522         defining.
5523         * config/bfin/linux.h: New file.
5524         * config/bfin/libgcc-bfin.ver: New file.
5525         * config/bfin/t-bfin-uclinux: New file.
5526         * config/bfin/t-bfin-linux: New file.
5527         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
5528         (TARGET_OS_CPP_BUILTINS): New macro.
5529
5530 2007-03-05  Richard Guenther  <rguenther@suse.de>
5531
5532         * fold-const.c (fold_binary): Remove duplicate folding
5533         of comparison of non-null ADDR_EXPR against null.
5534
5535 2007-03-05  Richard Guenther  <rguenther@suse.de>
5536             Dorit Nuzman  <dorit@il.ibm.com>
5537
5538         PR tree-optimization/26420
5539         * tree-vectorizer.c (vectorize_loops): Bail out early if there
5540         are no loops in the function.  Only print the number of
5541         vectorized loops if it is greater than zero or we are supposed
5542         to print information about unvectorized loops.
5543
5544 2007-03-05  Revital Eres  <eres@il.ibm.com>
5545
5546         * gcc.dg/var-expand1.c: New test.
5547         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
5548         when an accumulator is expanded.
5549
5550 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5551
5552         PR other/30465
5553         * c-common.c (convert_and_check): Don't give warnings for
5554         conversion if 'expr' already overflowed.
5555
5556 2007-03-04  Roger Sayle  <roger@eyesopen.com>
5557
5558         PR middle-end/30744
5559         * fold-const.c (fold_comparison): Enforce type consistency when
5560         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
5561
5562 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
5563
5564         * tree-ssa-address.c (create_mem_ref): Do not put an expression
5565         containing a cast to the base of TARGET_MEM_REF.
5566
5567 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
5568
5569         * tree.c (tree_contains_struct_check_failed): Remove spurious
5570         whitespace from error message.
5571
5572 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
5573
5574         PR target/30406
5575         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
5576         instead of precision.
5577
5578 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
5579             Nathan Sidwell  <nathan@codesourcery.com>
5580
5581         * emit-rtl.c (find_auto_inc): New.
5582         (try_split): recreate REG_INC notes,
5583         Use regular for loops rather than whiles.
5584
5585 2007-03-03  Andreas Schwab  <schwab@suse.de>
5586
5587         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
5588         * configure: Regenerate.
5589
5590 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5591
5592         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
5593         flag_rounding_math, not flag_unsafe_math_optimizations.
5594
5595         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
5596         fold_build2.
5597         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
5598         alpha_fold_vector_minmax): Likewise.
5599         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
5600         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
5601
5602 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
5603
5604         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
5605         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
5606         if the lhs has side-effects.
5607         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
5608
5609 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5610
5611         * config/i386/i386.h (TUNEMASK): Remove define.
5612         (ARCHMASK): Remove define.
5613         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
5614          Use ix86_arch_mask variable instead of ARCHMASK.
5615         * config/i386/i386.c (override_options): Ditto.
5616         (standard_80387_constant_p): Ditto.
5617
5618 2007-03-02  Ian Lance Taylor  <iant@google.com>
5619
5620         Used signed infinities in VRP.
5621         * tree-vrp.c (uses_overflow_infinity): New static function.
5622         (supports_overflow_infinity): New static function.
5623         (make_overflow_infinity): New static function.
5624         (negative_overflow_infinity): New static function.
5625         (positive_overflow_infinity): New static function.
5626         (is_negative_overflow_infinity): New static function.
5627         (is_positive_overflow_infinity): New static function.
5628         (is_overflow_infinity): New static function.
5629         (overflow_infinity_range_p): New static function.
5630         (compare_values_warnv): New function split out of compare_values.
5631         (compare_value): Call it.
5632         (set_value_range_to_nonnegative): Add overflow_infinity
5633         parameter.  Change caller.
5634         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
5635         Change callers.
5636         (vrp_expr_computes_nonzero): Likewise.
5637         (compare_ranges, compare_range_with_value): Likewise.
5638         (compare_name_with_value, compare_names): Likewise.
5639         (vrp_evaluate_conditional): Likewise.
5640         (set_value_range): Handle infinity
5641         (vrp_operand_equal_p, operand_less_p): Likewise.
5642         (extract_range_from_assert): Likewise.
5643         (vrp_int_const_binop): Likewise.
5644         (extract_range_from_binary_expr): Likewise.
5645         (extract_range_from_unary_expr): Likewise.
5646         (extract_range_from_comparison): Likewise.
5647         (extract_range_from_expr): Likewise.
5648         (dump_value_range): Likewise.
5649         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
5650         (test_for_singularity): Likewise.
5651         (vrp_int_const_binop): Remove inline qualifier.
5652         (adjust_range_with_scev): Add comment.
5653         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
5654
5655 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
5656
5657         * tree-ssa-structalias.c (could_have_pointers): Tidy.
5658         (get_constraint_for): Likewise.
5659         (do_structure_copy): Likewise.
5660         (find_func_aliases): Fix references to MODIFY_EXPR.
5661         (intra_create_variable_infos): Tidy.
5662         * tree-ssa-operands.c (add_virtual_operand): Add argument
5663         IS_CALL_SITE.
5664         When adding members of alias sets, if IS_CALL_SITE is true and
5665         the symbol is not call-clobbered, skip it.
5666         Adjust all callers.
5667
5668 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
5669
5670         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
5671         entry by means of emit_insn_at_entry.
5672
5673 2007-03-02  Richard Henderson  <rth@redhat.com>
5674
5675         * expr.h (promoted_input_arg): Remove decl.
5676         * function.c (promoted_input_arg): Merge into ...
5677         * combine.c (setup_incoming_promotions): ... only caller.
5678         Rearrange to avoid double loop.
5679
5680 2007-03-02  Ben Elliston  <bje@au.ibm.com>
5681             Peter Bergner  <bergner@vnet.ibm.com>
5682             Janis Johnson  <janis187@us.ibm.com>
5683
5684         * config/rs6000/dfp.md: New file.
5685         * config/rs6000/rs6000.md: Include dfp.md.
5686         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
5687         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
5688         and TDmode decimal float modes in FP registers.
5689         (num_insns_constant): Likewise.
5690         (rs6000_legitimate_offset_address_p): Likewise.
5691         (rs6000_legitimize_address): Likewise.
5692         (rs6000_legitimize_reload_address): Likewise.
5693         (rs6000_legitimate_address): Likewise.
5694         (rs6000_emit_move): Likewise.
5695         (function_arg_boundary): Likewise.
5696         (function_arg_advance): Likewise.
5697         (rs6000_darwin64_record_arg_recurse): Likewise.
5698         (function_arg): Likewise.
5699         (rs6000_gimplify_va_arg): Likewise.
5700         (rs6000_split_multireg_move): Likewise.
5701         (rs6000_output_function_epilogue): Likewise.
5702         (rs6000_output_function_epilogue): Likewise.
5703         (rs6000_register_move_cost): Likewise.
5704         (rs6000_function_value): Likewise.
5705         (rs6000_libcall_value): Likewise.
5706
5707 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
5708
5709         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
5710
5711 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
5712
5713         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
5714         Use $MULTIDIR to choose between the kernel and RTP headers,
5715         and use $WIND_BASE and $WIND_USR to locate them.
5716
5717 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5718
5719         * config/i386/i386.c (override_options): Put initialization of
5720         ix86_tune_mask and ix86_arch_mask to the correct place.
5721
5722 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5723             Michael Meissner  <michael.meissner@amd.com>
5724
5725         PR target/31019
5726         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
5727         (ARCHMASK): Define.
5728         (TARGET_CMOVE): Use ARCHMASK.
5729         (TARGET_CMPXCHG): Ditto.
5730         (TARGET_CMPXCHG8B): Ditto.
5731         (TARGET_XADD): Ditto.
5732         (TARGET_BSWAP): Ditto.
5733         * config/i386/i386.c (ix86_tune_mask): New global variable.
5734         (ix86_arch_mask): Ditto.
5735         (override_options): Initialize ix86_tune_mask and
5736         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
5737         target_flags.
5738
5739 2007-03-02  Ben Elliston  <bje@au.ibm.com>
5740
5741         PR 30992
5742         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
5743
5744 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
5745
5746         * target.h (init_dwarf_reg_sizes_extra): New target hook.
5747         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
5748         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
5749         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
5750         hook.
5751         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
5752         rs6000_init_dwarf_reg_sizes_extra): New.
5753         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
5754         SPE register high parts.
5755
5756 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
5757
5758         * Makefile.in: Add install-pdf target as
5759         copied from automake v1.10 rules.
5760         * configure.ac: Add install-pdf to target list.
5761         * configure: Regenerate.
5762
5763 2007-03-01  Paul Brook  <paul@codesourcery.com>
5764
5765         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
5766         modes to LDRD for DImode.
5767         (output_move_double): Fixup out of range ldrd/strd.
5768         (vfp_secondary_reload_class): Rename...
5769         (coproc_secondary_reload_class): ... to this.  Add wb argument.
5770         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
5771         coproc_secondary_reload_class for CLASS_IWMMXT.
5772         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
5773         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
5774
5775 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
5776
5777         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
5778         factor by the estimated number of iterations.
5779         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
5780         prefetch latency.
5781
5782         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
5783         decode_caches_intel, detect_caches_intel): New functions.
5784         (host_detect_local_cpu): Use detect_caches_amd and
5785         detect_caches_intel.
5786
5787 2007-03-01  Richard Henderson  <rth@redhat.com>
5788
5789         * expr.c (emit_move_complex_push): Export.
5790         (emit_move_complex_parts): Split out from ...
5791         (emit_move_complex): ... here.
5792         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
5793         * config/i386/i386.md (movcdi): New.
5794
5795 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
5796
5797         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
5798         size of mode1 to check for tieable modes in MMX case.
5799
5800 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
5801
5802         * Makefile.in (rtlanal.o): Depend on tree.h.
5803         * rtl.h (offset_within_section_p, split_const): Declare.
5804         * rtlanal.c: Include tree.h.
5805         (offset_within_block_p): New function, taken from
5806         mips_offset_within_object_p.
5807         (split_const): New function, taken from mips_split_const.
5808         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
5809         Declare.
5810         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
5811         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
5812         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
5813         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
5814         (m68k_illegitimate_symbolic_constant_p): New function.
5815         * config/m68k/m68k.md (movsi): Remove misleading predicates.
5816         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
5817         symbolic constant that might be outside the symbol's section,
5818         move the symbol first and then add the offset.
5819         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
5820         Override.
5821         * config/mips/mips.c (mips_split_const): Delete.
5822         (mips_offset_within_object_p): Delete.
5823         (mips_symbolic_constant_p): Use offset_within_section_p and
5824         split_const instead of mips_offset_within_object_p and
5825         mips_split_const.
5826         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
5827         (mips_legitimize_const_move, print_operand_reloc)
5828         (mips_dangerous_for_la25_p): Use split_const instead of
5829         mips_split_const.
5830
5831 2007-02-28  Eric Christopher  <echristo@apple.com>
5832
5833         * Makefile.in (install-include-dir): Don't rm -rf include.
5834
5835 2007-02-28  Richard Guenther  <rguenther@suse.de>
5836
5837         PR middle-end/30364
5838         * fold-const.c (fold_binary): Do not associate expressions
5839         with more than one variable for integer types that do not wrap.
5840
5841 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
5842
5843         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
5844         Delete, and replace with...
5845         (fold_builtin_call_array): This.  Update callers to use it.
5846         * fold-const.c (fold_build_call_list): Delete, and replace with...
5847         (fold_build_call_array): This.
5848         (fold_build_call_list_initializer): Delete, and replace with...
5849         (fold_build_call_array_initializer): This.
5850         * tree.h: Update declarations to reflect above changes.
5851
5852         * c-typeck.c (build_function_call): Store converted arguments
5853         in a stack-allocated array instead of building a list.
5854         (convert_arguments): Store arguments in the array passed in as an
5855         argument, and return the actual number of arguments.
5856         * c-format.c: (check_function_format): Pass arguments in an
5857         array instead of a list.
5858         * c-common.c (check_function_nonnull): Likewise.
5859         (check_function_sentinel): Likewise.
5860         (check_function_arguments): Likewise.
5861         * c-common.h: Update declarations to reflect above changes.
5862
5863 2007-02-28  Jan Hubicka  <jh@suse.cz>
5864
5865         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
5866         PRED_NEGATIVE_RETURN): Update outcomes.
5867
5868 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
5869
5870         * calls.c (emit_library_call_value_1): Handle partial registers
5871         correctly when building up CALL_INSN_FUNCTION_USAGE.
5872
5873 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5874
5875         * pa/predicates.md (move_src_operand): Allow zero for mode.
5876         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
5877         move pattern.
5878
5879 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
5880
5881         PR target/30970
5882         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
5883         *movv2df_internal): Enable pattern only for valid operand
5884         combinations.
5885         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
5886         tie only 128bit modes. For MMX registers, tie only 64bit modes.
5887
5888 2007-02-27  Mike Stump  <mrs@apple.com>
5889
5890         * config/darwin-crt3.c: Avoid compilation when compiling for a
5891         kext multilib.
5892
5893 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
5894
5895         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
5896         FIXED_INCLUDE_DIR.
5897         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
5898         for fixed headers and limits.h.
5899         (install-include-dir, install-headers-tar, install-headers-cpio,
5900         install-headers-cp, real-install-headers-tar,
5901         real-install-headers-cpio, real-install-headers-cp): Handle
5902         include-fixed as well as include.
5903         (install-mkheaders): Don't install files that go only in include
5904         not include-fixed.
5905         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
5906         from GCC_INCLUDE_DIR.
5907         * gcc.c (process_command): Remove special -BstageN/ handling.
5908         (do_spec_1): Add include-fixed directories.
5909
5910 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5911
5912         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
5913         _smulsi3_highpart.
5914         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
5915         New functions.
5916         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
5917         patterns.
5918
5919 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
5920
5921         * c-common.c (get_priority): Add check for
5922         SUPPORTS_INIT_PRIORITY.
5923
5924 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5925
5926         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
5927
5928         * config/bfin/bfin.c: Include "cfglayout.h".
5929         (MAX_LSETUP_DISTANCE): New macro.
5930         (struct loop_info): New members incoming, incoming_src and
5931         incoming_dest.  Delete member predecessor.
5932         (length_for_loop): New function.
5933         (bfin_optimize_loop): Handle more different loop structures.
5934         (bfin_discover_loop): Rework detection of predecessor blocks by
5935         examining incoming edges.
5936         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
5937         bfin_reorg_loops.
5938         (bfin_reorder_loops): New function.
5939         (bfin_reorg_loops): Use these three new functions.
5940
5941         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
5942         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
5943         (CONSTRAINT_LEN): Add entry for 'q'.
5944         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
5945         Add 'q' constraints.
5946         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
5947         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
5948
5949         * config/bfin/bfin.md (add_with_carry): New pattern.
5950         (s_or_u, su_optab, su_modifier): New code macros/attrs.
5951         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
5952         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
5953         support unsigned multiplies too.  Removed incorrect commutativity from
5954         operand 1 constraint where appropriate.
5955         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
5956         patterns.
5957         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
5958         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
5959         New patterns.
5960         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
5961         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
5962         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
5963         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
5964         usmulhisi_hh_huh): New patterns.
5965
5966         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
5967         lshifthi3): Fix output template to use half reg for operand 2.
5968
5969         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
5970         instead of R2.
5971
5972         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
5973
5974 2007-02-27  Andreas Schwab  <schwab@suse.de>
5975
5976         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
5977
5978 2007-02-27  Jan Hubicka  <jh@suse.cz>
5979
5980         * predict.c (last_basic_block_p): Remove.
5981         (tree_estimate_probability): Update return heuristic for commonized
5982         return blocks.
5983
5984 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
5985
5986         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
5987
5988 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
5989
5990         * doc/include/gcc-common.texi (versionsubtitle): New macro.
5991         * doc/cpp.texi: Standardize title page.
5992         * doc/cppinternals.texi: Likewise.
5993         * doc/gcc.texi: Standardize title page, remove version number
5994         from copyright page.
5995         * doc/gccint.texi: Likewise.
5996         * doc/install.texi: Standardize title page, add table of
5997         contents.
5998
5999 2007-02-26  Jan Hubicka  <jh@suse.cz>
6000
6001         * predict.def: Set outcomes according to more recent results.
6002         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
6003         Remove dead predictors.
6004         * predict.c (return_prediction): Fix pasto.
6005
6006 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
6007
6008         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
6009         change; avoid a memory leak when returning early.
6010
6011 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
6012
6013         * c-decl.c (static_ctors): Move to c-common.c.
6014         (static_dtors): Likewise.
6015         (finish_function): Use c_record_cdtor_fn.
6016         (build_cdtor): Move to c-common.c.
6017         (c_write_global_declarations): Use c_build_cdtor_fns.
6018         * c-common.h (static_ctors): Declare.
6019         (static_dtors): Likewise.
6020         (c_record_cdtor_fn): Likewise.
6021         (c_build_cdtor_fns): Likewise.
6022         * c-common.c (static_ctors): New variable.
6023         (static_dtors): Likewise.
6024         (c_record_cdtor_fn): New function.
6025         (build_cdtor): Move from c-decl.c
6026         (c_build_cdtor_fns): New function.
6027
6028         * output.h (assemble_addr_to_section): Declare.
6029         (get_cdtor_priority_section): Likewise.
6030         * varasm.c (assemble_addr_to_section): New function.
6031         (get_cdtor_priority_section): Likewise.
6032         (default_named_section_asm_out_destructor): Use them.
6033         (destor_dtor_section_asm_out_destructor): Likewise.
6034         (default_named_section_asm_out_constructor): Likewise.
6035         (default_ctor_section_asm_out_constructor): Likewise.
6036         * config.gcc (*-*-vxworks*): Include vxworks.o.
6037         * config/t-vxworks (vxworks.o): New target.
6038         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
6039         (TARGET_ASM_CONSTRUCTOR): Define.
6040         (TARGET_ASM_DESTRUCTOR): Likewise.
6041         (vxworks_asm_out_constructor): Declare.
6042         (vxworks_asm_out_destructor): Likewise.
6043
6044         * c-common.c (get_priority): Check that we have not just an
6045         INTEGER_CST, but an integer constant with integeral type.
6046
6047 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
6048
6049         PR tree-optimization/30938
6050         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
6051         use &dt[nargs-1] instead of &dt[nargs] in the call to
6052         vect_is_simple_use().
6053
6054 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
6055
6056         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
6057         from register elimination as PRE_MODIFY / POST_MODIFY increments.
6058         Do not attempt to handle MEM inside auto-inc expressions.
6059         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
6060         of a register modified by an auto-inc expression.  However, do handle
6061         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
6062         (elimination_effects): Prohibit elimination of a register modified
6063         by an auto-inc expression.  Disable register elimination rules whose
6064         target register is modified by an auto-inc expression with variable
6065         increment.
6066
6067 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
6068
6069         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
6070         off-by-one error.
6071         (array_at_struct_end_p): New function.
6072         (idx_infer_loop_bounds): Use it.
6073         (estimate_numbers_of_iterations_loop): Export.
6074         * predict.c (predict_loops): Use estimated_loop_iterations_int.
6075         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
6076         (tree_estimate_probability): Call record_loop_exits.
6077         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
6078         (estimated_loop_iterations, estimated_loop_iterations_int,
6079         estimated_loop_iterations_tree): New functions.
6080         (analyze_siv_subscript_cst_affine,
6081         compute_overlap_steps_for_affine_1_2,
6082         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
6083         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
6084         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
6085         (PRED_LOOP_ITERATIONS_GUESSED): New.
6086         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
6087         * cfgloop.h (estimate_numbers_of_iterations_loop,
6088         estimated_loop_iterations_int): Declare.
6089
6090 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
6091
6092         * doc/extend.texi: Document optional priority argument to
6093         constructors and destructors.
6094         * tree.c (init_priority_for_decl): Adjust GTY markers.
6095         (init_ttree): Use priority-info hash functions for
6096         init_priority_for_decl.
6097         (tree_map_eq): Rename to ...
6098         (tree_map_base_eq): ... this.
6099         (tree_map_marked_p): Rename to ...
6100         (tree_map_base_marked_p): ... this.
6101         (tree_map_base_hash): New function.
6102         (decl_init_priority_lookup): Rework.
6103         (decl_fini_priority_lookup): New function.
6104         (decl_priority_info): New function.
6105         (decl_init_priority_insert): Use it.
6106         (decl_fini_priority_insert): Likewise.
6107         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
6108         hierarchy.
6109         (decl_restrict_base_insert): Likewise.
6110         (decl_debug_expr_insert): Likewise.
6111         (decl_value_expr_lookup): Likewise.
6112         (decl_value_expr_insert): Likewise.
6113         * tree.h (priority_type): New type.
6114         (decl_init_priority_lookup): Use priority_type.
6115         (decl_fini_priority_lookup): New function.
6116         (decl_init_priority_insert): Use priority_type.
6117         (decl_fini_priority_insert): New function.
6118         (DECL_HAS_INIT_PRIORITY): Tweak comments.
6119         (DECL_INIT_PRIORITY): Likewise.
6120         (SET_DECL_INIT_PRIORITY): Add comment.
6121         (DECL_FINI_PRIORITY): New macro.
6122         (SET_DECL_FINI_PRIORITY): Likewise.
6123         (DEFAULT_INIT_PRIORITY): Document.
6124         (MAX_INIT_PRIORITY): Likewise.
6125         (MAX_RESERVED_INIT_PRIORITY): Likewise.
6126         (tree_map_base): New type.
6127         (tree_map_base_eq): New function.
6128         (tree_map_base_hash): Likewise.
6129         (tree_map_base_marked_p): Likewise.
6130         (tree_map): Inherit from tree_map_base.
6131         (tree_map_eq): Make it a macro.
6132         (tree_map_marked_p): Likewise.
6133         (tree_int_map): Inherit from tree_map_base.
6134         (tree_int_map_eq): Make it a macro.
6135         (tree_int_map_hash): Likewise.
6136         (tree_int_map_marked_p): Likewise.
6137         (tree_priority_map): New type.
6138         (tree_priority_map_eq): New macro.
6139         (tree_priority_map_hash): Likewise.
6140         (tree_priority_map_marked_p): Likewise.
6141         * varasm.c (emults_decl): Adjust for refactoring of tree_map
6142         hierarchy.
6143         (emutls_common_1): Likewise.
6144         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
6145         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
6146         of tree_map hierarchy.
6147         * tree-cfg.c (move_stmt_r): Likewise.
6148         (new_label_mapper): Likewise.
6149         * c-tree.h (c_expand_body): Move to ...
6150         * c-common.h (c_expand_body): ... here.
6151         * c-decl.c (c_expand_body): Move to ...
6152         * c-common.c (c_expand_body): ... here.
6153         (c_common_attribute_table): Allow 1 argument for the constructor
6154         and destructor attributes.
6155         (get_priority): New function.
6156         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
6157         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
6158
6159 2007-02-24  Jan Hubicka  <jh@suse.cz>
6160
6161         PR middle-end/30509
6162         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
6163
6164 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
6165             Jan Hubicka  <jh@suse.cz>
6166
6167         PR target/30778
6168         * i386.c (counter_mode): New function.
6169         (expand_set_or_movmem_via_loop): Use it.
6170         (expand_movmem_epilogue): Likewise; fix pasto.
6171         (ix86_expand_movmem): Do emit guard even for constant counts.
6172         (ix86_expand_setmem): Likewise.
6173
6174 2007-02-25  Nick Clifton  <nickc@redhat.com>
6175
6176         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
6177         (JUMP_TABLES_IN_TEXT_SECTION): Define.
6178
6179 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
6180
6181         PR target/30770
6182         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
6183         count argument with 0x10, not with 0x16.
6184         (expand_setmem_epilogue): Ditto.
6185
6186 2007-02-24  Mike Stump  <mrs@apple.com>
6187
6188         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
6189         symbols.
6190
6191 2007-02-24  Richard Guenther  <rguenther@suse.de>
6192
6193         PR middle-end/30951
6194         * fold-const.c (fold_binary): Fold x +- CST op x for
6195         EQ_EXPR and NE_EXPR.
6196
6197 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6198
6199         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
6200
6201 2007-02-24  Jan Hubicka  <jh@suse.cz>
6202
6203         * cgraphunit.c (decide_is_function_needed): Honor
6204         -fkeep-inline-functions.
6205
6206 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6207
6208         * builtins.c (fold_builtin_modf): New.
6209         (fold_builtin_2): Use it.
6210
6211 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
6212
6213         * loop-iv.c (implies_p): Detect additional cases where A implies B.
6214         (determine_max_iter): Take additional LOOP arg; all callers changed.
6215         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
6216         one using simplifications.
6217         (simplify_using_initial_values): Return if the expression becomes
6218         invalid due to altered regs.
6219
6220 2007-02-23  DJ Delorie  <dj@redhat.com>
6221
6222         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
6223
6224 2007-02-23  Mike Stump  <mrs@apple.com>
6225
6226         * tlink.c (scan_linker_output): Parse linker messages from
6227         darwin9's linker better.
6228
6229 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
6230
6231         PR debug/29614
6232         * varpool.c (varpool_assemble_pending_decls):  Set
6233         varpool_last_needed_node to null.
6234
6235 2007-02-23  DJ Delorie  <dj@redhat.com>
6236
6237         * config/i386/i386.c (ix86_data_alignment): Don't specify an
6238         alignment bigger than the object file can handle.
6239
6240 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
6241
6242         PR target/30825
6243         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
6244         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
6245         (*movsf_1): Penalize MMX moves.
6246
6247 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
6248
6249         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
6250         2^32-1 or more times unless flag_unsafe_loop_optimizations.
6251
6252         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
6253
6254 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6255
6256         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
6257         (fold_builtin_1): Use them.
6258         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
6259         BUILT_IN_SIGNIFICAND.
6260
6261 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
6262
6263         * config/i386/i386.c (bdesc_1arg): Initialize
6264         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
6265         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
6266         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
6267         and IX86_BUILTIN_MOVSLDUP.
6268
6269 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
6270
6271         PR rtl-optimization/30841
6272         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
6273
6274 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6275
6276         * builtins.c (fold_builtin_frexp): New.
6277         (fold_builtin_2): Use it.
6278
6279 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
6280
6281         * doc/invoke.texi (Spec Files): Document getenv spec function.
6282
6283         * gcc.c (getenv_spec_function): New function.
6284         (static_spec_functions): Add it.
6285         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
6286         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
6287         header files.
6288
6289 2007-02-22  Michael Matz  <matz@suse.de
6290
6291         PR c++/29433
6292         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
6293         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
6294
6295 2007-02-22  Ian Lance Taylor  <iant@google.com>
6296
6297         PR debug/30898
6298         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
6299         (mem_loc_descriptor): Call it.
6300
6301 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
6302             Ira Rosen  <irar@il.ibm.com>
6303
6304         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
6305
6306 2007-02-22  Ira Rosen  <irar@il.ibm.com>
6307
6308         PR tree-optimization/30843
6309         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
6310         stores only after all the group is vectorized.
6311
6312 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
6313
6314         PR tree-optimization/30858
6315         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
6316         in the reduction cycle have a single use in the loop.
6317         * tree-vectorizer.h (relevant): Add documentation.
6318
6319 2007-02-20  Mike Stump  <mrs@apple.com>
6320
6321         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
6322         * configure: Regenerate.
6323
6324 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
6325
6326         Change the defaults of some parameters and options.
6327         * config/spu/spu-protos.h (spu_optimization_options): Declare.
6328         * config/spu/spu.c (spu_optimization_options): Add.
6329         (spu_override_options): Change params in spu_optimization_options.
6330         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
6331
6332         Register 127 is only 16 byte aligned when used as a frame pointer.
6333         * config/spu/spu-protos.h (spu_init_expanders): Declare.
6334         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
6335         HARD_FRAME_POINTER_REGNUM.
6336         (spu_legitimate_address):  Use regno_aligned_for_reload.
6337         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
6338         aligned when frame_pointer_needed is true.
6339         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
6340         to 8 bits.
6341         * config/spu/spu.h (INIT_EXPANDERS): Define.
6342
6343         Make sure shift and rotate instructions have valid immediate operands.
6344         * config/spu/predicates.md (spu_shift_operand): Remove.
6345         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
6346         * config/spu/constraints.md (W, O): Extend range.
6347         * config/spu/spu.md (umask, nmask): Define.
6348         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
6349         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
6350         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
6351         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
6352         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
6353         (lshr<mode>3_reg):  Fix rtl description.
6354
6355         Make sure mulhisi immediate operands are valid.
6356         * config/spu/predicates.md (imm_K_operand): Add.
6357         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
6358
6359         Generate constants using fsmbi and andi.
6360         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
6361         (print_operand, spu_split_immediate, classify_immediate,
6362         fsmbi_const_p): Handle IC_FSMBI2.
6363
6364         Correctly handle a CONST_VECTOR containing symbols.
6365         * config/spu/spu.c (print_operand): Handle HIGH correctly.
6366         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
6367         (immediate_load_p): Allow symbols that use 2 instructions to create.
6368         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
6369         with symbols when flag_pic is set.
6370         (const_vector_immediate_p): New.
6371         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
6372         accept a CONST_VECTOR with symbols.
6373         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
6374         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
6375         correctly.
6376         * config/spu/spu.md (high, low): Delete.
6377         (low_<mode>): Define.
6378
6379         Remove INTRmode and INTR_REGNUM, which didn't work.
6380         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
6381         of INTR_REGNUM.
6382         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
6383         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
6384         peephole2 pattern): Don't use INTR or 131.
6385         (movintrcc): Delete.
6386         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
6387         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
6388         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
6389         (UNSPEC_SET_INTR): Add.
6390         * config/spu/spu-modes.def (INTR): Remove.
6391
6392         More accurate warnings about run-time relocations.
6393         * config/spu/spu.c (reloc_diagnostic): Test in_section.
6394
6395         Correctly warn about immediate arguments to specific intrinsics.
6396         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
6397         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
6398         the instruction predicate.
6399
6400         Fix tree check errors with latest update.
6401         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
6402         CALL_EXPR_ARG.
6403         (spu_expand_builtin): Use CALL_EXPR_FN.
6404
6405         Add missing specific intrinsics.
6406         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
6407         si_bislede.
6408         * config/spu/spu_internals.h: Ditto.
6409
6410         Fix incorrect operand modifiers.
6411         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
6412         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
6413
6414         Optimize one case of zero_extend of a vec_select.
6415         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
6416
6417         Accept any immediate for hbr.
6418         * config/spu/spu.md (hbr):  Change s constraints to i.
6419
6420 2007-02-21  Paul Brook  <paul@codesourcery.com>
6421
6422         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
6423         condexec_count when skipping USE and CLOBBER.
6424
6425 2007-02-21  Nick Clifton  <nickc@redhat.com>
6426
6427         * common.opt (Warray-bounds): Add Warning attribute.
6428         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
6429         Likewise.
6430         (fsized-zeroes): Add Optimization attribute.
6431         (fsplit-wide-types, ftree-scev-cprop): Likewise.
6432         * c.opt (Wc++0x-compat): Add Warning attribute.
6433
6434 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
6435
6436         PR middle-end/30761
6437         * reload1.c (eliminate_regs_in_insn): In the single_set special
6438         case, attempt to re-recognize the insn before falling back to
6439         having reload fix it up.
6440
6441 2007-02-20  Eric Christopher  <echristo@gmail.com>
6442
6443         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
6444         Rewrite accordingly.
6445         (frv_read_iacc_argument): Ditto.
6446         (frv_expand_set_builtin): Take a call instead of arglist, update for
6447         above changes.
6448         (frv_expand_unop_builtin): Ditto.
6449         (frv_expand_binop_builtin): Ditto.
6450         (frv_expand_cut_builtin): Ditto.
6451         (frv_expand_binopimm_builtin): Ditto.
6452         (frv_expand_voidbinop_builtin): Ditto.
6453         (frv_expand_int_void2arg): Ditto.
6454         (frv_expand_prefetches): Ditto.
6455         (frv_expand_voidtriop_builtin): Ditto.
6456         (frv_expand_voidaccop_builtin): Ditto.
6457         (frv_expand_load_builtin): Ditto.
6458         (frv_expand_store_builtin): Ditto.
6459         (frv_expand_mdpackh_builtin): Ditto.
6460         (frv_expand_mclracc_builtin): Ditto.
6461         (frv_expand_mrdacc_builtin): Ditto.
6462         (frv_expand_mwtacc_builtin): Ditto.
6463         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
6464         calls for above.
6465
6466 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
6467
6468         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
6469         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
6470         cmpb instruction.
6471         (HAVE_GAS_DFP): Check for assembler support of decimal floating
6472         point instructions.
6473         * configure: Regenerate.
6474         * config.in: Regenerate.
6475         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
6476         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
6477         masks to power6 and power6x and to POWERPC_MASKS.
6478         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6479         _ARCH_PWR6.
6480         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
6481         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
6482         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
6483         Access PROTOTYPE as variable, not mask.
6484
6485 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
6486
6487         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
6488         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
6489         * combine.c (adjust_for_new_dest): Use it.
6490         * postreload.c (reload_combine): Likewise.
6491
6492 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
6493
6494         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
6495         notes on an insn with multiple sets, even if single_set returns
6496         non-NULL for that insn.
6497
6498 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6499
6500         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
6501         scalbn and scalbln.
6502
6503 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
6504
6505         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
6506         if user didn't pass it.
6507         * config/i386/darwin.h (CC1_SPEC): Likewise.
6508         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
6509         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
6510         -mmacosx-version-min.
6511
6512 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6513             Uros Bizjak  <ubizjak@gmail.com>
6514
6515         * optabs.h (enum optab_index): Add new OTI_scalb.
6516         (scalb_optab): Define corresponding macro.
6517         * optabs.c (init_optabs): Initialize scalb_optab.
6518         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
6519         patterns.
6520         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
6521         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
6522         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
6523         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
6524         flag_unsafe_math_optimizations is set.
6525
6526         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
6527         to implement scalbf, scalb and scalbl built-ins as inline x87
6528         intrinsics.
6529
6530 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6531             DJ Delorie <dj@redhat.com>
6532
6533         PR other/30824
6534         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
6535         (diagnostic_report_diagnostic): ... here, and turn them into real
6536         errors. If warnings are inhibited, no need to do anything.
6537
6538 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
6539
6540         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
6541         better code generation.
6542
6543 2007-02-20  Ben Elliston  <bje@au.ibm.com>
6544
6545         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
6546
6547 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
6548
6549         * config/alpha/alpha.c, config/alpha/alpha.md,
6550         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
6551         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
6552         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
6553         config/arm/lib1funcs.asm: Follow spelling conventions.
6554
6555         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
6556         config/fr30/fr30.md, config/i386/i386.h,
6557         config/iq2000/iq2000.h, config/iq2000/predicates.md,
6558         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
6559         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
6560         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
6561         config/rs6000/altivec.md, config/rs6000/rs6000.c,
6562         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
6563         config/sparc/sparc.c, config/sparc/sparc.h,
6564         config/sparc/sparc.md, config/spu/constraints.md,
6565         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
6566         conventions.
6567
6568 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
6569
6570         PR target/29943
6571         * varasm.c (use_blocks_for_decl_p): Return false for decls with
6572         alias attribute.
6573
6574 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
6575
6576         * doc/invoke.texi (-ftree-lrs): Remove.
6577
6578 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
6579
6580         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
6581         NULL.
6582
6583 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
6584
6585         * config/ia64/ia64.c (ia64_expand_builtin): Use the
6586         new CALL_EXPR_FN macro for retrieving the function
6587         declaration of the input expression.
6588
6589 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6590
6591         * c.opt (Waddress): New.
6592         * common.opt (Walways-true): Delete.
6593         (Wstring-literal-comparison): Delete.
6594         * doc/invoke.texi (Warning Options): Delete -Walways-true and
6595         -Wstring-literal-comparison. Add -Waddress.
6596         (Waddress): New.
6597         (Walways-true): Delete.
6598         (Wstring-literal-comparison): Delete.
6599         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
6600         consistently instead of -Walways-true in example.
6601         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
6602         * c-typeck.c (parser_build_binary_op): Replace
6603         -Wstring-literal-comparison and -Walways-true with -Waddress.
6604         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
6605         with -Waddress.
6606
6607 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
6608
6609         * tree-cfg.c (dump_function_to_file): Be prepared for functions
6610         without DECL_STRUCT_FUNCTION initialized.
6611
6612 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
6613
6614         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
6615         due to calls to functions taking pointers as parameters.
6616
6617 2007-02-19  Richard Henderson  <rth@redhat.com>
6618
6619         PR debug/29558
6620         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
6621         in memory.
6622
6623 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
6624
6625         * config/s390/s390.c (s390_call_saved_register_used,
6626         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
6627         accessed to the new scheme.
6628
6629 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
6630
6631         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
6632         (cris_print_index, cris_print_operand, cris_print_operand_address)
6633         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
6634         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
6635         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
6636         GET_CODE () == xxx.
6637         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
6638         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
6639         GO_IF_LEGITIMATE_ADDRESS): Ditto.
6640         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
6641         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
6642         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
6643         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
6644         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
6645         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
6646         (uminsi3, call, call_value): Ditto.
6647         (define_split: indir_to_reg_split, unnamed): Ditto.
6648
6649 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
6650
6651         PR tree-optimization/30975
6652         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
6653         wrong assert.
6654
6655 2007-02-18  Eric Christopher  <echristo@gmail.com>
6656
6657         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
6658         Remove use of arglist.
6659         (mips_expand_builtin): Remove use of arglist, pass in expr.
6660         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
6661         (mips_expand_builtin_movtf): Ditto.
6662         (mips_expand_builtin_compare): Ditto.
6663
6664 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
6665
6666         * tree-sra.c (sra_build_assignment): Replace assertion
6667         checking with a comment explaining why it can't be done.
6668
6669 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
6670
6671         PR middle-end/30833
6672         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
6673         during CALL_EXPR representation conversion.
6674         * tree-ssa-propagate.c (set_rhs): Likewise.
6675
6676 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
6677
6678         * tree-sra.c (sra_build_assignment): Disable assertion checking
6679         for now.
6680
6681 2007-02-18  Roger Sayle  <roger@eyesopen.com>
6682
6683         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
6684         instead of calling build2 with a GIMPLE_MODIFY_STMT.
6685         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
6686         Likewise.
6687         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
6688         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
6689         gimplify_init_ctor_eval_range, gimple_push_cleanup,
6690         gimplify_omp_for, gimplify_omp_atomic_pipeline,
6691         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
6692         force_gimple_operand): Likewise.
6693         * ipa-cp.c (constant_val_insert): Likewise.
6694         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6695         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
6696         perfect_nestify): Likewise.
6697         * langhooks.c (lhd_omp_assignment): Likewise.
6698         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
6699         lower_copyprivate_clauses, lower_send_clauses,
6700         lower_send_shared_vars, expand_parallel_call,
6701         expand_omp_for_generic, expand_omp_for_static_nochunk,
6702         expand_omp_for_static_chunk, expand_omp_sections,
6703         lower_omp_single_copy, lower_omp_for_lastprivate,
6704         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
6705         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
6706         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
6707         Likewise.
6708
6709 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
6710
6711         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
6712         config/sh/sh.md: Follow spelling conventions.
6713
6714         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
6715         config/frv/predicates.md: Follow spelling conventions.
6716
6717         * config/m68k/linux-unwind.h: Fix a comment typo.
6718         * target.h: Follow spelling conventions.
6719
6720 2007-02-18  Roger Sayle  <roger@eyesopen.com>
6721
6722         PR rtl-optimization/28173
6723         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
6724         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
6725         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
6726         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
6727         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
6728
6729 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6730
6731         * builtins.c (fold_builtin_load_exponent): New.
6732         (fold_builtin_2): Use it.
6733
6734 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
6735
6736         PR rtl-optimization/30773
6737         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
6738         if we fail to attach a REG_EQUIV note.
6739
6740 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
6741             Roger Sayle  <roger@eyesopen.com>
6742
6743         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
6744
6745 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
6746
6747         * calls.c (initialize_argument_information): Pass original EXP
6748         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
6749         code to split complex arguments here, as part of initializing the
6750         ARGS array.
6751         (expand_call): Remove code that builds a list of arguments and
6752         inserts implicit arguments into it.  Instead, just count how many
6753         implicit arguments there will be so we can determine the size of
6754         the ARGS array, and let initialize_argument_information do the work.
6755         (split_complex_values): Delete unused function.
6756
6757 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
6758
6759         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
6760
6761 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
6762
6763         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
6764         for arg pointer based indexed addressing.
6765
6766 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
6767
6768         * config/ia64/ia64.h, config/ia64/ia64.md,
6769         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
6770         spelling conventions.
6771
6772 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6773
6774         * config/m68k/m68k.c (split_di): New.
6775         * config/m68k/m68k-protos.h: Declare split_di.
6776         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
6777           Improve predicate handling and split constant shifts.
6778
6779 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6780
6781         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
6782         parameter for register bitfield operations, general predicates
6783         cleanup
6784
6785 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6786
6787         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
6788         * config/m68k/linux-unwind.h: New file.
6789
6790 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
6791
6792         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
6793         config/i386/athlon.md, config/ia64/ia64.md,
6794         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
6795         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
6796         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
6797         tree-ssa-loop-niter.c, tree-vect-analyze.c,
6798         tree-vect-transform.c: Fix comment typos.
6799
6800 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
6801
6802         * sched-deps.c (find_insn_list): Remove.
6803         * sched-int.h: Remove the prototype for find_insn_list.
6804
6805 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
6806
6807         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
6808         to linker.
6809         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
6810         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
6811         darwin_rs6000_override_options.
6812         (C_COMMON_OVERRIDE_OPTIONS): Expect
6813         darwin_macosx_version_min to be non-NULL always.
6814         (TARGET_C99_FUNCTIONS): Likewise.
6815         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
6816         (DARWIN_MINVERSION_SPEC): New.
6817         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
6818         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
6819         to cc1*.
6820         (DARWIN_MINVERSION_SPEC): New.
6821         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
6822         value.
6823         * config/darwin-c.c (darwin_cpp_builtins): Expect
6824         darwin_macosx_version_min to be non-NULL always.
6825
6826         * config/rs6000/rs6000.c: Clean up trailing whitespace.
6827
6828 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
6829
6830         * config/i386/i386.h (x86_use_xchgb): New.
6831         (TARGET_USE_XCHGB): New macro.
6832         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
6833         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
6834         Split after reload into bswaphi for shifts of 8.
6835         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
6836         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
6837         or when optimizing for size.
6838
6839 2007-02-16  Richard Guenther  <rguenther@suse.de>
6840             Christian Bruel  <christian.bruel@st.com>
6841
6842         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
6843         DECLs but prefer SSA_NAMEs over DECLs.
6844
6845 2007-02-16  Richard Guenther  <rguenther@suse.de>
6846
6847         * tree-flow-inline.h (single_imm_use_p): Remove.
6848         (zero_imm_uses_p): Likewise.
6849         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
6850         instead of single_imm_use_p.
6851         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
6852         zero_imm_uses_p.
6853
6854 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6855
6856         PR other/27843
6857         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
6858         nested double- and backquotes.
6859
6860 2007-02-15  Roger Sayle  <roger@eyesopen.com>
6861
6862         PR middle-end/30391
6863         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
6864         should be unreachable.
6865         (build2_stat): Allow construction of MODIFY_EXPR at any time.
6866         For the time being redirect GIMPLE_MODIFY_STMT to the new
6867         (renamed) build_gimple_modify_stmt_stat.
6868         (build2_gimple_stat): Rename to...
6869         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
6870         Always build a GIMPLE_MODIFY_STMT node.
6871         * tree.h (build2_gimple, build2_gimple_stat): Delete.
6872         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
6873         declarations.
6874
6875         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
6876         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
6877         * tree-complex.c (set_component_ssa_name, expand_complex_move,
6878         expand_complex_div_wide): Likewise.
6879         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
6880         * tree-ssa-loop-im.c (schedule_sm): Likewise.
6881         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
6882         * tree-ssa-loop-manip.c (create_iv): Likewise.
6883         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
6884         abs_replacement): Likewise.
6885         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
6886         realify_fake_stores): Likewise.
6887
6888         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
6889         node rather than a GIMPLE_MODIFY_STMT node.
6890         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
6891         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
6892         Likewise.
6893         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
6894         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
6895         GIMPLE_MODIFY_STMT.
6896
6897 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6898
6899         PR middle-end/30433
6900         * fold-const.c (fold_comparison): Add back the
6901         folding of constant complex comparisions.
6902
6903 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6904
6905         PR middle-end/30729
6906         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
6907         effects unknown to this function, return early.
6908
6909 2007-02-15  Ian Lance Taylor  <iant@google.com>
6910
6911         * lower-subreg.c (move_eh_region_note): New static function.
6912         (resolve_simple_move): Call it.
6913         (decompose_multiword_subregs): Track blocks for which we resolve a
6914         simple move which is also a control flow insn.  Pass them to
6915         find_many_sub_basic_blocks.
6916         (pass_lower_subreg): Add TODO_verify_flow.
6917         (pass_lower_subreg2): Likewise.
6918
6919 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6920             Brooks Moses  <brooks.moses@codesourcery.com>
6921             Lee Millward  <lee.millward@codesourcery.com>
6922
6923         * tree.h (enum tree_code_class): Add tcc_vl_exp.
6924         (VL_EXP_CLASS_P): New.
6925         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
6926         TREE_CODE_LENGTH.
6927         (TREE_OPERAND_CHECK_CODE): Likewise.
6928         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
6929         (TREE_RTL_OPERAND_CHECK): Likewise.
6930         (tree_operand_check_failed): Make second parameter the whole tree
6931         instead of its code.  Fixed callers.
6932         (VL_EXP_CHECK): New.
6933         (TREE_OPERAND_LENGTH): New.
6934         (VL_EXP_OPERAND_LENGTH): New.
6935         (CALL_EXPR_FN): New.
6936         (CALL_EXPR_STATIC_CHAIN): New.
6937         (CALL_EXPR_ARGS): New.
6938         (CALL_EXPR_ARG): New.
6939         (call_expr_nargs): New.
6940         (CALL_EXPR_ARGP): New.
6941         (build_nt_call_list): Declare.
6942         (build_vl_exp_stat): Declare.
6943         (build_vl_exp): New.
6944         (build_call_list): Declare.
6945         (build_call_nary): Declare.
6946         (build_call_valist): Declare.
6947         (build_call_array): Declare.
6948         (call_expr_arg): Declare.
6949         (call_expr_argp): Declare.
6950         (call_expr_arglist): Declare.
6951         (fold_build_call_list): Declare.
6952         (fold_build_call_list_initializer): Declare.
6953         (fold_call_expr): Declare to replace fold_builtin.
6954         (fold_builtin_fputs): Update to agree with modified definition.
6955         (fold_builtin_strcpy): Likewise.
6956         (fold_builtin_strncpy): Likewise.
6957         (fold_builtin_memory_chk): Likewise.
6958         (fold_builtin_stxcpy_chk): Likewise.
6959         (fold_builtin_strncpy_chk): Likewise.
6960         (fold_builtin_next_arg): Likewise.
6961         (fold_build_call_expr): Declare.
6962         (fold_builtin_call_list): Declare.
6963         (fold_builtin_call_valist): Declare.
6964         (build_call_expr): Declare.
6965         (validate_arglist): Update to agree with modified definition.
6966         (tree_operand_length): New.
6967         (call_expr_arg_iterator): New.
6968         (init_call_expr_arg_iterator): New.
6969         (next_call_expr_arg): New.
6970         (first_call_expr_arg): New.
6971         (more_call_expr_args_p): New.
6972         (FOR_EACH_CALL_EXPR_ARG): New.
6973
6974         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
6975         and tcc_gimple_stmt.
6976         (tree_code_size): Update documentation.  Use sizeof (tree) rather
6977         than sizeof (char *).
6978         (tree_size): Likewise.  Add case for tcc_vl_exp.
6979         (tree_node_structure): Add case for tcc_vl_exp.
6980         (contains_placeholder_p): Likewise.
6981         (substitute_in_expr): Likewise.
6982         (substitute_placeholder_in_expr): Likewise.
6983         (stabilize_reference_1): Likewise.
6984         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
6985         to diagnose breakage of this interface for constructing CALL_EXPRs.
6986         (build_nt): Add similar assertion here.
6987         (build_nt_call_list): New.
6988         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
6989         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
6990         TREE_CODE_LENGTH.
6991         (get_callee_fndecl): Use new CALL_EXPR accessors.
6992         (tree_operand_check_failed): Change parameters to pass entire node
6993         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
6994         (process_call_operands): New.
6995         (build_vl_exp_stat): New.
6996         (build_call_list): New.
6997         (build_call_nary): New.
6998         (build_call_valist): New.
6999         (build_call_array): New.
7000         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7001         (call_expr_arglist): New.
7002
7003         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
7004         tcc_vl_exp instead of a fixed-size tcc_expression.
7005
7006         * doc/c-tree.texi (CALL_EXPR): Document new representation and
7007         accessors for CALL_EXPRs.
7008         (AGGR_INIT_EXPR): Likewise.
7009
7010 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7011             Brooks Moses  <brooks.moses@codesourcery.com>
7012             Lee Millward  <lee.millward@codesourcery.com>
7013
7014         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
7015         (expand_builtin_nonlocal_goto): Change parameter to be entire
7016         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
7017         (expand_builtin_prefetch): Likewise.
7018         (expand_builtin_classify_type): Likewise.
7019         (mathfn_built_in): Return NULL_TREE instead of 0.
7020         (expand_errno_check): Use new CALL_EXPR accessors.
7021         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
7022         Return NULL_RTX instead of 0.
7023         (expand_builtin_mathfn_2): Likewise.
7024         (expand_builtin_mathfn_3): Likewise.
7025         (expand_builtin_interclass_mathfn): Likewise.
7026         (expand_builtin_sincos): Likewise.
7027         (expand_builtin_cexpi): Likewise.
7028         (expand_builtin_int_roundingfn): Likewise.
7029         (expand_builtin_int_roundingfn_2): Likewise.
7030         (expand_builtin_pow): Likewise.
7031         (expand_builtin_powi): Likewise.
7032         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
7033         of arglist, fixing callers appropriately.  Use new CALL_EXPR
7034         accessors and constructors.  Return NULL_RTX instead of 0.
7035         (expand_builtin_strstr): Likewise.
7036         (expand_builtin_strchr): Likewise.
7037         (expand_builtin_strrchr): Likewise.
7038         (expand_builtin_strpbrk): Likewise.
7039         (expand_builtin_memcpy): Likewise.
7040         (expand_builtin_mempcpy): Likewise.
7041         (expand_builtin_mempcpy_args): New.
7042         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
7043         (expand_builtin_memmove_args): New.
7044         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
7045         (expand_movstr): Likewise.
7046         (expand_builtin_strcpy): Likewise.
7047         (expand_builtin_strcpy_args): New.
7048         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
7049         (expand_builtin_strncpy): Likewise.
7050         (expand_builtin_memset): Likewise.
7051         (expand_builtin_memset_args): New.
7052         (expand_builtin_bzero): Similarly to expand_builtin_memset.
7053         (expand_builtin_memcmp): Likewise.
7054         (expand_builtin_strcmp): Likewise.
7055         (expand_builtin_strncmp): Likewise.
7056         (expand_builtin_strcat): Likewise.
7057         (expand_builtin_strncat): Likewise.
7058         (expand_builtin_strspn): Likewise.
7059         (expand_builtin_strcspn): Likewise.
7060         (expand_builtin_args_info): Likewise.
7061         (expand_builtin_va_start): Likewise.
7062         (gimplify_va_arg_expr): Likewise.
7063         (expand_builtin_va_end): Likewise.
7064         (expand_builtin_va_copy): Likewise.
7065         (expand_builtin_frame_address): Likewise.
7066         (expand_builtin_alloca): Likewise.
7067         (expand_builtin_bswap): Likewise.
7068         (expand_builtin_unop): Likewise.
7069         (expand_builtin_fputs): Likewise.
7070         (expand_builtin_expect): Likewise.
7071         (expand_builtin_fabs): Likewise.
7072         (expand_builtin_copysign): Likewise.
7073         (expand_builtin_printf): Likewise.
7074         (expand_builtin_fprintf): Likewise.
7075         (expand_builtin_sprintf): Likewise.
7076         (expand_builtin_init_trampoline): Likewise.
7077         (expand_builtin_signbit): Likewise.
7078         (expand_builtin_fork_or_exec): Likewise.
7079         (expand_builtin_sync_operation): Likewise.
7080         (expand_builtin_compare_and_swap): Likewise.
7081         (expand_builtin_lock_test_and_set): Likewise.
7082         (expand_builtin_lock_release): Likewise.
7083         (expand_builtin): Likewise.
7084         (builtin_mathfn_code): Likewise.
7085
7086         (fold_builtin_constant_p): Pass call arguments individually instead
7087         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
7088         accessors and constructors.  Return NULL_TREE instead of 0.
7089         (fold_builtin_expect): Likewise.
7090         (fold_builtin_classify_type): Likewise.
7091         (fold_builtin_strlen): Likewise.
7092         (fold_builtin_nan): Likewise.
7093         (integer_valued_real_p): Likewise.
7094         (fold_trunc_transparent_mathfn): Likewise.
7095         (fold_fixed_mathfn): Likewise.
7096         (fold_builtin_cabs): Likewise.
7097         (fold_builtin_sqrt): Likewise.
7098         (fold_builtin_cbrt): Likewise.
7099         (fold_builtin_cos): Likewise.
7100         (fold_builtin_cosh): Likewise.
7101         (fold_builtin_tan): Likewise.
7102         (fold_builtin_sincos): Likewise.
7103         (fold_builtin_cexp): Likewise.
7104         (fold_builtin_trunc): Likewise.
7105         (fold_builtin_floor): Likewise.
7106         (fold_builtin_ceil): Likewise.
7107         (fold_builtin_round): Likewise.
7108         (fold_builtin_int_roundingfn): Likewise.
7109         (fold_builtin_bitop): Likewise.
7110         (fold_builtin_bswap): Likewise.
7111         (fold_builtin_logarithm): Likewise.
7112         (fold_builtin_hypot): Likewise.
7113         (fold_builtin_pow): Likewise.
7114         (fold_builtin_powi): Likewise.
7115         (fold_builtin_exponent): Likewise.
7116         (fold_builtin_memset): Likewise.
7117         (fold_builtin_bzero): Likewise.
7118         (fold_builtin_memory_op): Likewise.
7119         (fold_builtin_bcopy): Deleted; call site changed to invoke
7120         fold_builtin_memory_op directly.
7121         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
7122         (fold_builtin_strncpy): Likewise.
7123         (fold_builtin_memcmp): Likewise.
7124         (fold_builtin_strcmp): Likewise.
7125         (fold_builtin_strncmp): Likewise.
7126         (fold_builtin_signbit): Likewise.
7127         (fold_builtin_copysign): Likewise.
7128         (fold_builtin_isascii): Likewise.
7129         (fold_builtin_toascii): Likewise.
7130         (fold_builtin_isdigit): Likewise.
7131         (fold_builtin_fabs): Likewise.
7132         (fold_builtin_abs): Likewise.
7133         (fold_builtin_fmin_fmax): Likewise.
7134         (fold_builtin_carg): Likewise.
7135         (fold_builtin_classify): Likewise.
7136         (fold_builtin_unordered_cmp): Likewise.
7137
7138         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
7139         New functions split out from fold_builtin_1.
7140         (fold_builtin_n): New.
7141         (fold_builtin_varargs): New.
7142         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
7143         instead.
7144         (fold_call_expr): New.
7145         (build_function_call_expr): Rewrite to use new helper function.
7146         (fold_builtin_call_list): New.
7147         (build_call_expr): New.
7148         (fold_builtin_call_valist): New.
7149         (rewrite_call_expr): New.
7150         (validate_arg): New.
7151         (validate_arglist): Change parameter to be entire CALL_EXPR instead
7152         of an arglist.  Change return type to bool.  Use new CALL_EXPR
7153         accessors.
7154
7155         (fold_builtin_strstr):  Pass call arguments individually instead
7156         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
7157         accessors and constructors.  Return NULL_TREE instead of 0.
7158         (fold_builtin_strchr): Likewise.
7159         (fold_builtin_strrchr): Likewise.
7160         (fold_builtin_strpbrk): Likewise.
7161         (fold_builtin_strcat): Likewise.
7162         (fold_builtin_strncat): Likewise.
7163         (fold_builtin_strspn): Likewise.
7164         (fold_builtin_strcspn): Likewise.
7165         (fold_builtin_fputs): Likewise.
7166         (fold_builtin_next_arg): Likewise.
7167         (fold_builtin_sprintf): Likewise.
7168
7169         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
7170         NULL_RTX instead of 0.
7171         (expand_builtin_memory_chk): Likewise.
7172         (maybe_emit_chk_warning): Likewise.
7173         (maybe_emit_sprintf_chk_warning): Likewise.
7174
7175         (fold_builtin_object_size): Pass call arguments individually instead
7176         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
7177         accessors and constructors.  Return NULL_TREE instead of 0.
7178         (fold_builtin_memory_chk): Likewise.
7179         (fold_builtin_stxcpy_chk): Likewise.
7180         (fold_builtin_strncpy_chk): Likewise.
7181         (fold_builtin_strcat_chk): Likewise.
7182         (fold_builtin_strcat_chk): Likewise.
7183         (fold_builtin_strncat_chk): Likewise.
7184         (fold_builtin_sprintf_chk): Likewise.
7185         (fold_builtin_snprintf_chk): Likewise.
7186         (fold_builtin_printf): Likewise.
7187         (fold_builtin_vprintf): Likewise.
7188
7189         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
7190         constructors.
7191         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
7192         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7193         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
7194         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
7195         (fold_unary): Likewise.
7196         (fold_binary): Likewise.
7197         (fold_ternary): Remove CALL_EXPR case, since they are no longer
7198         ternary expressions.
7199         (fold): Add logic for tcc_vl_exp.
7200         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
7201         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7202         (fold_build3_stat): Add assertion to flag broken interface for
7203         constructing CALL_EXPRs.
7204         (fold_build_call_list): New.
7205         (fold_build_call_list_initializer): New.
7206         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
7207         constructors.
7208         (fold_strip_sign_ops): Likewise.
7209
7210 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7211             Brooks Moses  <brooks.moses@codesourcery.com>
7212             Lee Millward  <lee.millward@codesourcery.com>
7213
7214         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
7215         accessors and dump arguments explicitly.
7216
7217         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
7218         TREE_CODE_LENGTH.
7219         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
7220         explicitly.
7221         (print_call_name): Use new CALL_EXPR accessors.
7222
7223         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
7224         CALL_EXPR arguments explicitly instead of as a list.  Use
7225         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7226
7227         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
7228         (vrp_visit_stmt): Likewise.
7229
7230         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
7231         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
7232         TREE_CODE_LENGTH.
7233         (force_move_till_expr): Likewise.
7234
7235         * targhooks.c (default_external_stack_protect_fail): Use
7236         build_call_expr instead of build_function_call_expr.
7237         (default_hidden_stack_protect_fail): Likewise.
7238
7239         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
7240         build the call.
7241
7242         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
7243         and walk arguments explicitly.
7244
7245         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
7246         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7247         (expand_simple_operations): Likewise.
7248         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
7249
7250         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
7251         of TREE_CODE_LENGTH.
7252         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
7253
7254         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
7255         instead of TREE_CODE_LENGTH.
7256
7257         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
7258         (tree_ic_transform): Likewise.
7259         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
7260         parameter instead of arglist.  Fix callers.
7261         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
7262         (tree_stringops_transform): Likewise.
7263         (tree_indirect_call_to_profile): Likewise.
7264         (tree_stringops_values_to_profile): Likewise.
7265
7266         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
7267         (eliminate_tail_call): Likewise.
7268
7269         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
7270
7271         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
7272         Use TREE_OPERAND_LENGTH and generalize to handle any number of
7273         operands.
7274         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
7275
7276         * omp-low.c (build_omp_barrier): Use build_call_expr.
7277         (lower_rec_input_clauses): Likewise.
7278         (lower_reduction_clauses): Likewise.
7279         (expand_parallel_call): Likewise.
7280         (maybe_catch_exception): Likewise.
7281         (expand_omp_for_generic): Likewise.
7282         (expand_omp_for_static_nochunk): Likewise.
7283         (expand_omp_sections): Likewise.
7284         (lower_omp_single_simple): Likewise.
7285         (lower_omp_single_copy): Likewise.
7286         (lower_omp_master): Likewise.
7287         (lower_omp_ordered): Likewise.
7288         (lower_omp_critical): Likewise.
7289
7290         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
7291         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
7292
7293         * tree-gimple.c (is_gimple_call_addr): Fix doc.
7294         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
7295         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
7296
7297         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
7298         and generalize to handle any number of operands.
7299         (chrec_contains_undetermined): Likewise.
7300         (tree_contains_chrecs): Likewise.
7301         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
7302
7303         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
7304
7305         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
7306         fold_call_expr instead of fold_builtin.
7307         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
7308         match declarations there.
7309         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
7310         updates.
7311
7312         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
7313         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7314
7315         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
7316         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
7317
7318         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
7319         accessors.
7320
7321         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
7322         (execute_cse_sincos): Use new CALL_EXPR accessors.
7323
7324         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
7325
7326         * gimple-low.c (lower_function_body): Use build_call_expr.
7327         (lower_builtin_setjmp): Likewise.
7328
7329         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
7330         (set_storage_via_libcall): Likewise.
7331         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
7332         instead of TREE_CODE_LENGTH.
7333         (expand_expr_real_1): Use new CALL_EXPR accessors.
7334
7335         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
7336         generalize to handle any number of operands.
7337         (TB_parent_eq): Likewise.
7338
7339         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
7340         (strip_builtin_expect): Likewise.
7341
7342         * function.c (gimplify_parameters): Use build_call_expr.
7343
7344         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
7345         instead of TREE_CODE_LENGTH.
7346
7347         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
7348         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
7349
7350         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
7351         iterators.
7352
7353         * gimplify.c (build_stack_save_restore): Use build_call_expr.
7354         (gimplify_decl_expr): Likewise.
7355         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
7356         Use new CALL_EXPR iterators.
7357         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
7358         (gimplify_modify_expr_to_memset): Likewise.
7359         (gimplify_variable_sized_compare): Likewise.
7360         (gimplify_omp_atomic_fetch_op): Likewise.
7361         (gimplify_omp_atomic_pipeline): Likewise.
7362         (gimplify_omp_atomic_mutex): Likewise.
7363         (gimplify_function_tree): Likewise.
7364
7365         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
7366         (call_expr_flags): Likewise.
7367         (expand_call): Likewise.
7368
7369         * except.c (expand_builtin_eh_return_data_regno): Pass entire
7370         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
7371         accessors.
7372
7373         * coverage.c (create_coverage): Use build_call_expr.
7374
7375         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
7376         (temp_call_expr_obstack): New.
7377         (pool_copy_list): Delete.
7378         (temp_copy_call_expr): New.
7379         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
7380         CALL_EXPR accessors.  Get rid of special goo for copying argument
7381         lists and use temp_copy_call_expr instead.
7382         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
7383         CALL_EXPR accessors.
7384         (create_expression_by_pieces): Likewise.  Use build_call_array
7385         to construct the result instead of fold_build3.
7386         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
7387         dealing with argument lists.
7388         (init_pre): Remove references to expression_node_pool and
7389         list_node_pool.  Init temp_call_expr_obstack instead.
7390         (fini_pre): Remove references to expression_node_pool and
7391         list_node_pool.
7392
7393         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
7394         and walk arguments explicitly instead of as a list.
7395
7396         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
7397         (mx_register_decls): Likewise.
7398         (mudflap_register_call): Likewise.
7399         (mudflap_finish_file): Likewise.
7400
7401         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
7402         (ipa_callsite_compute_param): Likewise.
7403
7404         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
7405         accessors and constructor.
7406
7407         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
7408         accessors and constructor.
7409         (convert_tramp_reference): Likewise.
7410         (convert_call_expr): Likewise.
7411         (finalize_nesting_tree_1): Likewise.
7412
7413         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
7414         accessors.
7415
7416         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
7417
7418         * tree-inline.c (initialize_inlined_parameters): Pass entire
7419         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
7420         accessors.
7421         (estimate_num_insns_1): Use new CALL_EXPR accessors.
7422         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
7423
7424         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
7425         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7426         (vectorizable_reduction): Likewise.
7427         (vectorizable_call): Use new CALL_EXPR iterators.
7428         (vectorizable_conversion): Use build_call_expr.
7429         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
7430         (vect_gen_widened_results_half): Use build_call_expr.
7431         (vect_setup_realignment): Likewise.
7432         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
7433
7434         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
7435         (pass_through_call): Likewise.
7436         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
7437         fold_builtin.
7438
7439         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
7440         (tree_gen_pow2_profiler): Likewise.
7441         (tree_gen_one_value_profiler): Likewise.
7442         (tree_gen_ic_func_profiler): Likewise.
7443         (tree_gen_average_profiler): Likewise.
7444         (tree_gen_ior_profiler): Likewise.
7445
7446         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
7447         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
7448         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7449
7450         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
7451         of TREE_CODE_LENGTH.
7452
7453         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
7454         of TREE_CODE_LENGTH.
7455
7456         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
7457         constructor.
7458         (convert_to_integer): Likewise.
7459
7460         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
7461         accessors.
7462
7463 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7464             Brooks Moses  <brooks.moses@codesourcery.com>
7465             Lee Millward  <lee.millward@codesourcery.com>
7466
7467         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
7468         accessors.
7469         * config/frv/frv.c (frv_expand_builtin): Likewise.
7470         * config/s390/s390.c (s390_expand_builtin): Likewise.
7471
7472         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
7473         (sparc_expand_builtin): Use new CALL_EXPR accessors.
7474
7475         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
7476         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
7477         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
7478         (ix86_expand_store_builtin): Likewise.
7479         (ix86_expand_unop_builtin): Likewise.
7480         (ix86_expand_unop1_builtin): Likewise.
7481         (ix86_expand_sse_compare): Likewise.
7482         (ix86_expand_sse_comi): Likewise.
7483         (ix86_expand_vec_init_builtin): Likewise.
7484         (ix86_expand_vec_ext_builtin): Likewise.
7485         (ix86_expand_vec_set_builtin): Likewise.
7486         (ix86_expand_builtin): Use new CALL_EXPR accessors.
7487
7488         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
7489         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
7490
7491         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
7492         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7493         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
7494
7495         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
7496         build_call_expr.
7497         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
7498         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
7499         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7500         (altivec_expand_abs_builtin): Likewise.
7501         (rs6000_expand_binop_builtin): Likewise.
7502         (altivec_expand_predicate_builtin): Likewise.
7503         (altivec_expand_lv_builtin): Likewise.
7504         (spe_expand_stv_builtin): Likewise.
7505         (altivec_expand_stv_builtin): Likewise.
7506         (rs6000_expand_ternop_builtin): Likewise.
7507         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
7508         (altivec_expand_st_builtin): Likewise.
7509         (altivec_expand_dst_builtin): Likewise.
7510         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
7511         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7512         (altivec_expand_vec_set_builtin): Likewise.
7513         (altivec_expand_vec_ext_builtin): Likewise.
7514         (altivec_expand_builtin): Use new CALL_EXPR accessors.
7515         (spe_expand_builtin): Likewise.
7516         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
7517         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7518         (spe_expand_evsel_builtin): Likewise.
7519         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
7520         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
7521
7522         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
7523         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7524         (arm_expand_unop_builtin): Likewise.
7525         (arm_expand_builtin): Use new CALL_EXPR accessors.
7526
7527         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
7528         accessors.
7529
7530         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
7531         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7532         (bfin_expand_unop_builtin): Likewise.
7533         (bfin_expand_builtin): Use new CALL_EXPR accessors.
7534
7535 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7536             Brooks Moses  <brooks.moses@codesourcery.com>
7537             Lee Millward  <lee.millward@codesourcery.com>
7538
7539         * c-semantics.c (build_stmt): Add internal diagnostic check.
7540
7541         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
7542         accessors.  Print arguments explicitly instead of as a list.
7543
7544         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
7545
7546         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
7547         (c_finish_omp_flish): Likewise.
7548
7549         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
7550         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
7551         instead of TREE_CODE_LENGTH.
7552         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
7553         (c_warn_unused_result): Likewise.
7554
7555 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7556
7557         PR c/26494
7558         * doc/invoke.texi (Warning Options): Remove
7559         -Werror-implicit-function-declaration.
7560         (Wimplicit-function-declaration): Update description.
7561         * opts.c (common_handle_option): Move handling of -Werror=* to...
7562         (enable_warning_as_error): ...here.
7563         * opts.h (enable_warning_as_error): Declare.
7564         * c-decl.c (implicit_decl_warning): Unless
7565         -Wno-implicit-function-declaration is given, emit a pedwarn if
7566         -std=c99 or emit a warning if -Wimplicit-function-declaration.
7567         * c.opt (Wimplicit-function-declaration): Replace
7568         mesg_implicit_function_declaration with
7569         warn_implicit_function_declaration.
7570         * c-opts.c (c_common_handle_option):
7571         -Werror-implicit-function-declaration is exactly equal as
7572         -Werror=implicit-function-declaration.
7573         (set_Wimplicit): Replace mesg_implicit_function_declaration with
7574         warn_implicit_function_declaration.
7575         (c_common_post_options): -Wimplict-function-declaration is enabled
7576         by default by -std=c99, otherwise is disabled by default.
7577         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
7578
7579 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7580
7581         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
7582         DECL on the rhs to a DECL on the lhs for debug info purposes if the
7583         former is ignored but not the latter.
7584
7585 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7586
7587         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
7588         is made and the reference doesn't use the alias set of its type,
7589         do not create the temporary using that type.
7590
7591 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
7592
7593         * jump.c: Remove prototypes for delete_computation and
7594         delete_prior_computation.
7595
7596 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
7597
7598         * jump.c (get_label_after): Delete.
7599         (get_label_before, delete_computation, delete_jump,
7600         delete_prior_computation, follow_jumps): Move...
7601         * reorg.c (delete_computation, delete_prior_computation): ... here...
7602         (get_label_before, delete_jump): ... making these static ...
7603         (follow_jumps): ... and simplifying this since it only runs after
7604         reload.
7605         * rtl.h (get_label_after, get_label_before, delete_jump,
7606         follow_jumps): Delete prototypes.
7607
7608 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
7609
7610         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
7611
7612 2007-02-15  Nick Clifton  <nickc@redhat.com>
7613
7614         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
7615         order to prevent it from being munged by the target.
7616
7617 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
7618
7619         * config/i386/i386.md: Remove misleading comment.
7620
7621 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7622
7623         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
7624         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
7625         invalid patterns.
7626
7627 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7628
7629         * tree-sra.c (instantiate_missing_elements): Canonicalize
7630         bit-field types.
7631         (sra_build_assignment): New.
7632         (generate_copy_inout, generate_element_copy,
7633         generate_element_zero, generate_one_element_init): Use it.
7634
7635 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7636
7637         * tree-sra.c (instantiate_missing_elements): Canonicalize
7638         bit-field types.
7639         (sra_build_assignment): New.
7640         (generate_copy_inout, generate_element_copy,
7641         generate_element_zero, generate_one_element_init): Use it.
7642
7643 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7644
7645         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
7646         limbo die nodes.
7647
7648 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
7649
7650         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
7651         types as aggregates not scalars.
7652         * function.c (assign_stack_temp_for_type): Likewise.
7653
7654 2007-02-14  Roger Sayle  <roger@eyesopen.com>
7655             Zdenek Dvorak  <dvorakz@suse.cz>
7656
7657         * tree-dump.c (dump_switch_p_1): Require exact match of the option
7658         name.
7659
7660 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
7661
7662         * passes.c (next_pass_1): Clear the next field of the copied
7663         pass structure.
7664
7665 2007-02-14  Richard Henderson  <rth@redhat.com>
7666
7667         * tree-sra.c (early_sra): New.
7668         (decl_can_be_decomposed_p): Deny va_list if early_sra.
7669         (tree_sra_early, pass_sra_early): New.
7670         * tree-pass.h (pass_sra_early): Declare.
7671         * passes.c (init_optimization_passes): Use it.
7672
7673 2007-02-14  Richard Guenther  <rguenther@suse.de>
7674
7675         * flags.h (issue_strict_overflow_warning): Convert to a macro.
7676
7677 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
7678
7679          PR tree-optimization/30771
7680         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
7681         also phi nodes.
7682         (vect_analyze_operations): Induction phis can now be marked as
7683         used_in_loop.
7684         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
7685         Update documentation accordingly.
7686
7687 2007-02-14  Nick Clifton  <nickc@redhat.com>
7688
7689         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
7690         most 3 arguments are supported.
7691         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
7692
7693 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
7694
7695         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
7696         Ensure dst->current is valid.
7697
7698 2007-02-13  Paul Brook  <paul@codesourcery.com>
7699
7700         * config.gcc: Add arm*-*-uclinux-*eabi.
7701         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
7702         (SUBTARGET_EXTRA_LINK_SPEC): Define.
7703         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
7704         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
7705         (LINK_SPEC): Define.
7706         (LIB_SPEC): Define.
7707         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
7708         register.
7709         * config/arm/uclinux-eabi.h: New file.
7710         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
7711         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
7712         based targets.
7713
7714 2007-02-13  Ian Lance Taylor  <iant@google.com>
7715
7716         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
7717         * flags.h (warn_strict_overflow): Declare.
7718         (enum warn_strict_overflow_code): Define.
7719         (issue_strict_overflow_warning): New static inline function.
7720         * opts.c (warn_strict_overflow): New variable.
7721         (common_handle_option): Handle OPT_Wstrict_overflow and
7722         OPT_Wstrict_overflow_.
7723         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
7724         OPT_Wall.
7725         * fold-const.c: Include intl.h.
7726         (fold_deferring_overflow_warnings): New static variable.
7727         (fold_deferred_overflow_warning): New static variable.
7728         (fold_deferred_overflow_code): New static variable.
7729         (fold_defer_overflow_warnings): New function.
7730         (fold_undefer_overflow_warnings): New function.
7731         (fold_undefer_and_ignore_overflow_warnings): New function.
7732         (fold_deferring_overflow_warnings_p): New function.
7733         (fold_overflow_warning): New static function.
7734         (make_range): Add strict_overflow_p parameter.  Change all
7735         callers.
7736         (extract_muldiv, extract_muldiv_1): Likewise.
7737         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
7738         tree_expr_nonnegative_p.
7739         (fold_negate_expr): Call fold_overflow_warning.
7740         (fold_range_test): Likewise.
7741         (fold_comparison): Likewise.
7742         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
7743         instead of tree_expr_nonnegative_p.
7744         (tree_expr_nonnegative_warnv_p): Rename from
7745         tree_expr_nonnegative_p, add strict_overflow_p parameter.
7746         (tree_expr_nonnegative_p): New function.
7747         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
7748         strict_overflow_p parameter.
7749         (tree_expr_nonzero_p): New function.
7750         * passes.c (verify_interpass_invariants): New static function.
7751         (execute_one_pass): Call it.
7752         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
7753         warnings.
7754         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
7755         (estimate_numbers_of_iterations): Likewise.
7756         (scev_probably_wraps_p): Likewise.
7757         * tree-ssa-ccp.c: Include "toplev.h".
7758         (evaluate_stmt): Defer fold overflow warnings until we know we are
7759         going to optimize.
7760         (struct fold_stmt_r_data): Add stmt field.
7761         (fold_stmt_r): Defer fold overflow warnings until we know we
7762         optimized.
7763         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
7764         (fold_stmt_inplace): Likewise.
7765         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
7766         (cleanup_control_expr_graph): Defer fold overflow warnings until
7767         we know we are going to optimize.
7768         * tree-cfg.c (fold_cond_expr_cond): Likewise.
7769         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
7770         Likewise.
7771         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
7772         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
7773         * tree-ssa-loop-manip.c (create_iv): Likewise.
7774         * c-typeck.c (build_conditional_expr): Likewise.
7775         (build_binary_op): Likewise.
7776         * tree-vrp.c (vrp_expr_computes_nonzero): Call
7777         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
7778         (extract_range_from_unary_expr): Likewise.
7779         * simplify-rtx.c (simplify_const_relational_operation): Warn when
7780         assuming that signed overflow does not occur.
7781         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
7782         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
7783         (fold_defer_overflow_warnings): Declare.
7784         (fold_undefer_overflow_warnings): Declare.
7785         (fold_undefer_and_ignore_overflow_warnings): Declare.
7786         (fold_deferring_overflow_warnings_p): Declare.
7787         (tree_expr_nonzero_warnv_p): Declare.
7788         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
7789         of warning options.
7790         (Warning Options): Document -Wstrict-overflow.
7791         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
7792         (tree-ssa-ccp.o): Likewise.
7793         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
7794         (fold-const.o): Depend on intl.h.
7795
7796 2007-02-13  Ian Lance Taylor  <iant@google.com>
7797
7798         PR middle-end/30751
7799         * lower-subreg.c (resolve_simple_move): Decompose subregs in
7800         addresses.
7801
7802 2007-02-13  Stuart Hastings  <stuart@apple.com>
7803
7804         * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
7805
7806 2007-02-13  Richard Henderson  <rth@redhat.com>
7807
7808         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
7809         handled_component_p before looking for the indirect_ref.
7810
7811 2007-02-13  Richard Henderson  <rth@redhat.com>
7812
7813         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
7814         remove flags clobber.
7815         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
7816         (bswaphi_lowpart): New.
7817         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
7818         remove TARGET_BSWAP test.  Delete expander of the same name.
7819
7820         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
7821         (expand_unop): Use them.
7822
7823 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
7824
7825         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
7826         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
7827         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
7828         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
7829         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
7830         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
7831         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
7832         assembler dialect choice from asm templates.
7833
7834 2007-02-12  Richard Henderson  <rth@redhat.com>
7835
7836         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
7837         (fixuns_trunc<SSEMODEF>si2): Use it.
7838         * config/i386/sse.md (vec_setv4sf_0): Export.
7839         * config/i386/i386.c (ix86_build_const_vector): Export.
7840         (ix86_split_convert_uns_si_sse): Rename from
7841         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
7842         * config/i386/i386-protos.h: Update.
7843
7844 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7845
7846         PR c/29521
7847         * c-typeck.c (c_finish_return): Improve warning message.
7848
7849 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7850
7851         * alias.c (find_symbolic_term): Delete unused function.
7852
7853 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
7854
7855         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
7856         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
7857         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
7858
7859 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
7860
7861         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
7862         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
7863         the function, temporarily point the debug interface to the null one.
7864
7865 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
7866
7867         * dwarf2out.c (round_up_to_align): New static function.
7868         (field_byte_offset): Use it to round the offset.
7869
7870 2007-02-12  Richard Henderson  <rth@redhat.com>
7871
7872         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
7873         (inswl_const): Export.
7874
7875 2007-02-12  Richard Henderson  <rth@redhat.com>
7876
7877         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
7878         result mode of the libcall, convert back to outmode.
7879
7880 2007-02-12  Roger Sayle  <roger@eyesopen.com>
7881
7882         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
7883         (bswapdi2): New define_expand to implement 32-bit implementation.
7884
7885 2007-02-12  Nick Clifton  <nickc@redhat.com>
7886
7887         * doc/invoke.texi (Overall Options): Document --help=.
7888         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
7889         (cc1_options): Pass --help= on to cc1.
7890         (display_help): Add description of --help=.
7891         (process_command): Add code to handle --help=.  Allow translated
7892         --help and --target-help switches to be passed on to compiler
7893         sub-process.
7894         (main): Remove unused if statement.
7895         * opts.c (columns): Remove.
7896         (LEFT_COLUMN): Define.
7897         (wrap_help): Add columns argument.
7898         (print_filtered_help): Change parameters to be an include bitmask,
7899         an exclude bitmask, an any bitmask and the column width.  Move the
7900         code to display the params list here.  Add code to display the
7901         status of options rather than their descriptions if the quiet flag
7902         is not active.
7903         (print_specific_help): Change parameters to be an include bitmask,
7904         an exclude bitmask and an any bitmask.  Move code to look up the
7905         column width here.  Decide upon the title for an options listing.
7906         (common_handle_options): Add code to handle --help=.  Adapt code
7907         for --help and --target-help to use the revised form of the
7908         print_specific_help function.
7909         (print_help): Delete.
7910         (print_param_help): Delete.
7911         (print_switch): Delete.
7912         * opts.h (cl_lang_count): Add prototype.
7913         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
7914         CL_MAX_OPTION_CLASS): New defines.
7915         * optc-gen.awk: Add construction of cl_lang_count.
7916         * c.opt: Add Warning attribute to warning options and Optimization
7917         attribute to optimization options.
7918         * common.opt: Likewise.
7919         Add --help=.
7920         Add -fhelp and -ftarget-help as aliases for the transformed --help
7921         and --target-help options.
7922         * opt-functions.awk: Add code to handle Warning and Optimization
7923         attributes.
7924
7925 2007-02-12  Richard Henderson  <rth@redhat.com>
7926
7927         * config/alpha/constraints.md: New file.
7928         * config/alpha/alpha.c: Include tm-constrs.h.
7929         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
7930         alpha_extra_constraint): Remove.
7931         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
7932         * config/alpha/alpha-protos.h: Update.
7933         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
7934         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
7935         (EXTRA_CONSTRAINT): Remove.
7936         * config/alpha/alpha.md: Include constraints.md.
7937         (adddi splitter): Use satisfies_constraint_*.
7938         * config/alpha/predicates.md (add_operand): Likewise.
7939         (sext_add_operand, addition_operation): Likewise.
7940
7941 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
7942
7943         PR tree-optimization/29145
7944         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
7945         in our handling of restrict qualified pointers.
7946
7947 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7948
7949         PR middle-end/7651
7950         * doc/invoke.texi (Wunused-value): Update description.
7951         (Wextra): Delete item.
7952         * opts.c (set_Wextra): Don't use the value of Wextra to set the
7953         value of Wunused-value.
7954         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
7955         (c_finish_stmt_expr): Don't check extra_warnings.
7956         (emit_side_effect_warnings): The caller is responsible to check
7957         warn_unused_value.
7958
7959 2007-02-11  Roger Sayle  <roger@eyesopen.com>
7960             Matt Thomas  <matt@3am-software.com>
7961
7962         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
7963
7964 2007-02-11  Roger Sayle  <roger@eyesopen.com>
7965
7966         * simplify-rtx.c (simplify_relational_operation_1): Optimize
7967         comparisons of POPCOUNT against zero.
7968         (simplify_const_relational_operation): Likewise.
7969
7970 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7971
7972         * doc/invoke.texi (Wextra): Delete outdated paragraph.
7973
7974 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7975
7976         * dwarf2out.c (root_type): Delete unused function.
7977
7978 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7979
7980         * genattrtab.c (contained_in_p): Delete unused function.
7981         (write_expr_attr_cache): Likewise.
7982
7983 2007-02-11  Jan Hubicka  <jh@suse.cz>
7984
7985         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
7986         previous patch.
7987
7988 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
7989
7990         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
7991         to add the REG_EQ* note.
7992         * see.c (see_merge_one_use_extension): Likewise.
7993         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
7994         turn REG_EQUAL notes into REG_EQUIV notes if the target
7995         register may have more than one set.
7996         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
7997         * gcse.c (try_replace_reg): Likewise.
7998         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
7999         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
8000         more than one REG_EQUIV note.
8001         * reload1.c (gen_reload): Use set_unique_reg_note.
8002
8003 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
8004
8005         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
8006         (ix86_builtin_conversion): New function.
8007
8008 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
8009
8010         PR target/29487
8011         * tree.h (DECL_REPLACEABLE_P): New macro.
8012         * except.c (set_nothrow_function_flags): Likewise.
8013
8014 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
8015             Ira Rosen  <irar@il.ibm.com>
8016             Dorit Nuzman  <dorit@il.ibm.com>
8017
8018         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
8019         * targhooks.c (default_builtin_vectorized_conversion): New.
8020         * targhooks.h (default_builtin_vectorized_function): New declaration.
8021         * target.h (struct vectorize): Add builtin_conversion field.
8022         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
8023         stmt_vec_info_type value.
8024         (vectorizable_conversion): New declaration.
8025         * tree-vect-analyze.c (vect_analyze_operations): Add
8026         vectorizable_conversion call.
8027         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
8028         * tree-vect-transform.c (vectorizable_conversion): New function.
8029         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
8030         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
8031         mode.
8032         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
8033         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
8034         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
8035         or ALTIVEC_BUILTIN_VCFSX.
8036
8037 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8038
8039         PR target/30634
8040         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
8041         CONST_DOUBLE and operand 0 is a hard register.
8042         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
8043         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
8044         is a hard floating-point register.
8045
8046 2007-02-10  Richard Henderson  <rth@redhat.com>
8047             Jakub Jelinek  <jakub@redhat.com>
8048             Alexandre Oliva  <aoliva@redhat.com>
8049
8050         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
8051         * builtin-types.def (BT_WORD): Make unsigned.
8052         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
8053         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
8054         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
8055         * c-decl.c (grokdeclarator): Don't error if !have_tls.
8056         * c-parser.c (c_parser_omp_threadprivate): Likewise.
8057         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
8058         emulated tls.
8059         * expr.c (emutls_var_address): New.
8060         (expand_expr_real_1): Expand emulated tls.
8061         (expand_expr_addr_expr_1): Likewise.
8062         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
8063         * output.h (emutls_finish): Declare.
8064         * toplev.c (compile_file): Call it.
8065         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
8066         address before wrapping in CONST.
8067         * varasm.c (emutls_htab, emutls_object_type): New.
8068         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
8069         (get_emutls_object_name, get_emutls_object_type): New.
8070         (get_emutls_init_templ_addr, emutls_decl): New.
8071         (emutls_common_1, emutls_finish): New.
8072         (assemble_variable): When emulating tls, swap decls; generate
8073         constructor for the emutls objects.
8074         (do_assemble_alias): When emulating tls, swap decl and target name.
8075         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
8076         for emulated tls.
8077         * varpool.c (decide_is_variable_needed): Look at force_output.
8078         Recurse for emulated tls.
8079         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
8080         with decide_is_variable_needed.
8081         * emutls.c: New file.
8082         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
8083         tls_object for real tls.
8084
8085 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
8086
8087         PR rtl-optimization/29599
8088         * reload1.c (eliminate_regs_in_insn): Take the destination
8089         mode into account when computing the offset.
8090
8091 2007-02-09  Stuart Hastings  <stuart@apple.com>
8092             Richard Henderson  <rth@redhat.com>
8093
8094         * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
8095         * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
8096         * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
8097         fixuns_truncdfhi2): New.
8098         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
8099         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
8100         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
8101         (floatunssidf2): Allow nonimmediate source.
8102         * config/i386/sse.md (movdi_to_sse): New.
8103         (vec_concatv2di): Drop '*'.
8104         * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
8105         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
8106         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
8107         New.
8108         * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
8109         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
8110         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
8111         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
8112         (ix86_build_signbit_mask): Fix decl of v, refactor to call
8113         ix86_build_const_vector.
8114         (x86_emit_floatuns): Rewrite.
8115
8116 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8117
8118         * genautomata.c (longest_path_length): Delete unused function.
8119         (struct state): Delete unused longest_path_length.
8120         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
8121         (get_free_state): Delete unused.
8122
8123 2007-02-09  Jan Hubicka  <jh@suse.cz>
8124
8125         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
8126         * doc/invoke.texi (inline-unit-growth): Update default value.
8127
8128         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
8129         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
8130         (rebuild_cgraph_edges): Likewise.
8131         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
8132         (dump_cgraph_node): Dump frequencies.
8133         (cgraph_clone_edge): Add frequency scales.
8134         (cgraph_clone_node): Add freuqnecy.
8135         * cgraph.h (cgraph_edge): Add freuqnecy argument.
8136         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
8137         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
8138         * tree-pass.h (TODO_rebuild_frequencies): New constant.
8139         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
8140         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
8141         (save_inline_function_body): Likewise.
8142         * ipa-inline.c: inluce rtl.h
8143         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
8144         (cgraph_edge_badness): Use frequencies.
8145         (cgraph_decide_recursive_inlining): Update clonning.
8146         (cgraph_decide_inlining_of_small_function): Dump frequency.
8147         * predict.c (estimate_bb_frequencies): Export.
8148         * predict.h (estimate_bb_frequencies): Declare.
8149         * tree-inline.c (copy_bb): Watch overflows.
8150         (expand_call_inline): Update call of cgraph_create_edge.
8151         (optimize_inline_calls): Use TODO flags to update frequnecies.
8152         * passes.h: Include predict.h
8153         (init_optimization_passes): Move profile ahead.
8154         (execute_function_todo): Handle TODO_rebuild_frequencies.
8155
8156 2007-02-09  Roger Sayle  <roger@eyesopen.com>
8157
8158         * config/alpha/alpha.c (emit_insxl): Force the first operand of
8159         the insbl or inswl pattern into a register.
8160
8161 2007-02-09  Roger Sayle  <roger@eyesopen.com>
8162
8163         * config/ia64/ia64.md (bswapdi2): New define_insn.
8164
8165 2007-02-09  Richard Henderson  <rth@redhat.com>
8166
8167         * config/i386/constraints.md (Ym): New constraint.
8168         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
8169         (movdi_1_rex64): Split sse and xmm general register moves from
8170         memory move alternatives.  Use conditional register constraints.
8171         (movsf_1, movdf_integer): Likewise.
8172         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
8173         (movdf_integer_rex64): New.
8174         (pushsf_rex64): Fix output constraints.
8175         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
8176         (sse2_stored): Likewise.
8177         (sse2_storeq_rex64): New.
8178         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
8179         amd and not generic.
8180         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
8181         for optimize_size.  Remove SF/DFmode hack.
8182
8183 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
8184
8185         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
8186         (bit_SSE4a): New.
8187
8188 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
8189             Richard Sandiford  <richard@codesourcery.com>
8190
8191         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
8192         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
8193         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
8194         m68k/t-mlib to tmake_file.
8195         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
8196         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
8197         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
8198         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
8199         variable is not empty, add t-$m68k_arch_family to tmake_file.
8200         Add t-mlibs to tmake_file.
8201         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
8202         * config/m68k/t-cf: New file.
8203         * config/m68k/t-m68k: Likewise.
8204         * config/m68k/t-mlibs: Likewise.
8205         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8206         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8207         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
8208         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8209         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
8210         Delete.
8211         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
8212         (INSTALL_LIBGCC): Delete.
8213         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
8214         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8215         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8216         (M68K_MLIB_CPU): Define.
8217         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8218         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8219         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
8220
8221 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
8222             Richard Guenther  <rguenther@suse.de>
8223
8224         PR middle-end/23361
8225         * fold-const.c (fold_comparison): Handle obfuscated comparisons
8226         against INT_MIN/INT_MAX.
8227         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
8228         file if a loop is removed.
8229
8230 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
8231
8232         * calls.c (store_one_arg): Pass correct alignment to
8233         emit_push_insn for non-BLKmode values.
8234         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
8235         unaligned stack slot via a suitably aligned slot.
8236
8237 2007-02-08  DJ Delorie  <dj@redhat.com>
8238
8239         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
8240         warnings.
8241         (legal_subregs): Use unsigned char, make const.
8242         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
8243
8244 2007-02-08  Paul Brook  <paul@codesourcery.com>
8245
8246         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
8247         special interworking needed.
8248
8249 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
8250
8251         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
8252         conditional to __SSE2__.
8253         (Entries below should have been added to first ChangeLog
8254         entry for amdfam10 dated 2007-02-05)
8255         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
8256         defined.
8257         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
8258         defined.
8259         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
8260         defined.
8261
8262 2007-02-08  DJ Delorie  <dj@redhat.com>
8263
8264         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
8265         * config/m32c/m32c.c (legal_subregs): New.
8266         (m32c_illegal_subreg_p): New.
8267         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
8268         unsupported subregs of hard regs.
8269
8270 2007-02-08  Jan Hubicka  <jh@suse.cz>
8271
8272         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
8273         the same one; always update histograms.
8274
8275 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
8276
8277         * passes.c (init_optimization_passes): Tidy comment.
8278
8279 2007-02-08  Roger Sayle  <roger@eyesopen.com>
8280
8281         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
8282         strip zero_extend, bswap and rotates from POCOUNT's argument.
8283         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
8284         zero_extend and rotates from PARITY's argument.
8285         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
8286         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
8287         of an integer constant at compile-time.
8288
8289 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
8290
8291         PR 30562
8292         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
8293         Update all users.
8294         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
8295         users.
8296         (init_alias_info):
8297         * tree-ssa-live.c (remove_unused_locals): Do not remove
8298         TREE_ADDRESSABLE variables.
8299         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
8300         * tree-ssa-operands.c (add_virtual_operand): Remove argument
8301         FOR_CLOBBER.  Update all users.
8302         If VAR has an associated alias set, add a virtual operand for
8303         it if no alias is found to conflict with the memory reference.
8304
8305 2007-02-07  Jan Hubicka  <jh@suse.cz>
8306             Robert Kidd <rkidd@crhc.uiuc.edu>
8307
8308         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
8309
8310 2007-02-07  Ian Lance Taylor  <iant@google.com>
8311
8312         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
8313
8314 2007-02-07  Roger Sayle  <roger@eyesopen.com>
8315
8316         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
8317         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
8318         tablejumpdi, movsi_to_cr_one): Remove constraints from
8319         define_expand's match_operands.
8320
8321 2007-02-07  Roger Sayle  <roger@eyesopen.com>
8322
8323         * global.c (compute_regsets): Move declatation of "i" inside of
8324         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
8325
8326 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
8327
8328         PR c++/30703
8329         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
8330         of INDIRECT_REF <RESULT_DECL>.
8331
8332         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
8333
8334 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
8335             Kaz Kojima  <kkojima@gcc.gnu.org>
8336
8337         PR target/29746
8338         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
8339         properly.
8340         (sh_initialize_trampoline): Add parentheses to avoid a warning.
8341
8342 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
8343
8344         * doc/loop.texi: Document possibility not to perform disambiguation
8345         of loops with multiple latches.
8346         * cfgloopmanip.c (alp_enum_p): Removed.
8347         (add_loop): Handle subloops.  Use get_loop_body_with_size.
8348         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
8349         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
8350         the new forwarder block.
8351         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
8352         Handle the case latch is NULL.
8353         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
8354         when marking loop exits.
8355         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
8356         be modified.
8357         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
8358         disambiguate_loops_with_multiple_latches.
8359         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
8360         before fix_loop_structure.
8361         * cfgloop.c: Include pointer-set.h and output.h.
8362         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
8363         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
8364         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
8365         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
8366         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
8367         disambiguate_multiple_latches, get_loop_body_with_size,
8368         disambiguate_loops_with_multiple_latches): New functions.
8369         (flow_loop_dump): Dump multiple latch edges.
8370         (flow_loop_nodes_find): Handle loops with multiple latches.
8371         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
8372         (glb_enum_p): Modified.
8373         (get_loop_body): Use get_loop_body_with_size.
8374         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
8375         (AVOID_CFG_MODIFICATIONS): New constant.
8376         (disambiguate_loops_with_multiple_latches, add_loop,
8377         get_loop_body_with_size): Declare.
8378         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
8379
8380 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
8381
8382         PR inline-asm/28686
8383         * global.c (compute_regsets): New function.
8384         (global_alloc): Refactored ELIMINABLE_REGSET
8385         and NO_GLOBAL_ALLOC_REGS computation out.
8386         (rest_of_handle_global_alloc): Call compute_regsets()
8387         for non-optimizing case.
8388
8389 2007-02-06  Richard Henderson  <rth@redhat.com>
8390
8391         * config/i386/constraints.md (Y2): Rename from Y.
8392         (Yi): New constraint.
8393         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
8394         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
8395         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
8396         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
8397         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
8398         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
8399         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
8400         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
8401         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
8402         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
8403         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
8404         vec_extractv2si_1): Change Y constraints to Y2.
8405         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
8406         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
8407         Change Y constraints to Y2.
8408         (sse2_loadld): Change Y constraints to x.
8409
8410 2007-02-06  Roger Sayle  <roger@eyesopen.com>
8411
8412         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
8413         (parity<mode>2): New define_expand using rs6000_emit_parity.
8414         * config/rs6000/rs6000.c (rs6000_emit_popcount,
8415         rs6000_emit_parity): New functions.
8416         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
8417         rs6000_emit_parity): Prototype here.
8418
8419 2007-02-06  Ian Lance Taylor  <iant@google.com>
8420
8421         * lower-subreg.c (simple_move_operand): Reject CONST.
8422         (resolve_clobber): Call validate_change rather than directly
8423         assigning to XEXP (pat, 0).
8424
8425 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
8426
8427         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
8428         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
8429         (tree-cfg.o): Remove hashtab.h dependency.
8430
8431         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
8432         (struct ivopts_data): Change niters to pointer_map_t.
8433         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
8434         (niter_for_exit): Create pointer_map on demand.  Change for
8435         pointer_map API.
8436         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
8437         (free_loop_data): Destroy data->niters if created and reset field.
8438         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
8439         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
8440
8441         * tree-ssa-reassoc.c: Include pointer-set.h.
8442         (bb_rank): Change to long *.
8443         (operand_rank): Change to pointer_map_t.
8444         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
8445         (insert_operand_rank): Accept long.
8446         (operand_entry_hash, operand_entry_eq): Remove.
8447         (get_rank): Return long.  Adjust for changes above.
8448         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
8449         and operand_rank.
8450         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
8451
8452         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
8453         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
8454         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
8455         is not NULL.
8456         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
8457         directly since it cannot be NULL.
8458         (get_vi_for_tree): Rewrite for pointer_map API.
8459         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
8460         (init_alias_vars): Create vi_for_tree as pointer_map.
8461         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
8462
8463         * tree-cfg.c: Don't include hashtab.h.
8464         (edge_to_cases): Declare as pointer_map.
8465         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
8466         Delete.
8467         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
8468         (start_recording_case_labels): Create edge_to_cases as pointer_map.
8469         (end_recoding_case_labels): Cleanup edge_to_cases manually before
8470         destroying it.
8471         (record_switch_edge): Delete.
8472         (get_cases_for_edge): Adjust for pointer_map API, inline
8473         record_switch_edge (rewritten for new API), remove goto.
8474
8475 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
8476
8477         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
8478         * tree-nested.c: Include pointer-set.h.
8479         (var_map_elt, var_map_eq, var_map_hash): Delete.
8480         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
8481         to pointer_map_t's.
8482         (nesting_info_bitmap_obstack): New.
8483         (lookup_field_for_decl): Adjust for pointer_map API.
8484         (lookup_tramp_for_decl): Adjust for pointer_map API.
8485         (get_nonlocal_debug_decl): Adjust for pointer_map API.
8486         (get_local_debug_decl): Adjust for pointer_map API.
8487         (convert_nl_goto_reference): Adjust for pointer_map API.
8488         (convert_nl_goto_receiver): Adjust for pointer_map API.
8489         (create_nesting_tree): Create outside GGC space.  Create bitmap on
8490         the new obstack.  Create field_map and var_map as pointer_maps.
8491         (free_nesting_tree): Adjust for changes to create_nesting_tree.
8492         (root): Delete.
8493         (lower_nested_functions): Move root here, no need to NULL it.
8494         Initialize and release the obstack.
8495
8496 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
8497
8498         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
8499         Remove prototypes and make them non-static.
8500         (struct tree_int_map): Remove.
8501         * tree.h (struct tree_int_map): Move here, turning TO into an
8502         unsigned int.
8503         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
8504
8505         * tree.h (TREE_COMPLEXITY): Remove.
8506         (struct tree_exp): Remove complexity field.
8507         * tree.c (build1_stat): Don't set it.
8508
8509 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
8510             Victor Kaplansky  <victork@il.ibm.com>
8511
8512         * tree-vectorizer.c (vect_is_simple_use): Support induction.
8513         (vect_is_simple_reduction): Support reduction with induction as
8514         one of the operands.
8515         (vect_is_simple_iv_evolution): Fix formatting.
8516         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
8517         formatting.  Don't mark induction phis for vectorization.
8518         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
8519         * tree-vect-transform.c (get_initial_def_for_induction): New function.
8520         (vect_get_vec_def_for_operand): Support induction.
8521         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
8522         induction case.
8523         (vectorizable_reduction): Support reduction with induction as one of
8524         the operands.
8525         (vectorizable_type_demotion): Use def-type of stmt argument rather
8526         than dummy def-type.
8527
8528         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
8529         flag_tree_scev_cprop.
8530         * common.opt (tree-scev-cprop): New flag.
8531
8532         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
8533         call to vect_get_new_vect_var.
8534
8535 2007-02-06  Ira Rosen  <irar@il.ibm.com>
8536
8537         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
8538         vectype is not NULL.
8539         (vect_pattern_recog_1): Likewise.
8540
8541 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8542
8543         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
8544         (fold_negate_expr): Likewise.
8545
8546 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
8547
8548         PR debug/30189
8549         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
8550         even if cv-qualification is the same.
8551
8552 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
8553
8554         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
8555         __enable_execute_stack on completion.
8556
8557 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8558
8559         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
8560         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
8561         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
8562         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
8563         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
8564         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
8565         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
8566         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
8567
8568 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8569
8570         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
8571         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
8572         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
8573         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
8574         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
8575         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
8576         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
8577         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
8578         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
8579         umuldi3_highpart_rex64, umulsi3_highpart_insn,
8580         umulsi3_highpart_zext, smuldi3_highpart_rex64,
8581         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
8582         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
8583         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
8584         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
8585         sqrtextenddfxf2_i387): Added amdfam10_decode.
8586
8587         * config/i386/athlon.md (athlon_idirect_amdfam10,
8588         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
8589         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
8590         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
8591         athlon_ivector_store_amdfam10): New define_insn_reservation.
8592         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
8593         amdfam10.
8594
8595 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8596
8597         * config/i386/athlon.md (athlon_call_amdfam10,
8598         athlon_pop_amdfam10, athlon_lea_amdfam10): New
8599         define_insn_reservation.
8600         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
8601         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
8602         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
8603
8604 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8605
8606         * config/i386/athlon.md (athlon_sseld_amdfam10,
8607         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
8608         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
8609
8610 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8611
8612         * config/i386/athlon.md (athlon_sseins_amdfam10): New
8613         define_insn_reservation.
8614         * config/i386/i386.md (sseins): Added sseins to define_attr type
8615         and define_attr unit.
8616         * config/i386/sse.md: Set type attribute to sseins for insertq
8617         and insertqi.
8618
8619 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8620
8621         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
8622         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
8623         ssecomi_load_amdfam10, ssecomi_amdfam10,
8624         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
8625         define_insn_reservation.
8626         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
8627
8628 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8629
8630         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
8631         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
8632         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
8633         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
8634         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
8635         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
8636         define_insn_reservation.
8637
8638         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
8639         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
8640         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
8641         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
8642         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
8643
8644 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8645
8646         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
8647         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
8648         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
8649         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
8650         athlon_ssemul_load_k8): Added amdfam10.
8651
8652 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8653
8654         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
8655         (x86_sse_unaligned_move_optimal): New variable.
8656
8657         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
8658         m_AMDFAM10.
8659         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
8660         for unaligned vector SSE double/single precision loads for AMDFAM10.
8661
8662 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8663
8664         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
8665         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
8666         Define TARGET_CPU_DEFAULT_amdfam10.
8667         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
8668         (processor_type): Add PROCESSOR_AMDFAM10.
8669
8670         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
8671         processor_type in config/i386/i386.h.
8672         Enable imul peepholes for TARGET_AMDFAM10.
8673
8674         * config.gcc: Add support for --with-cpu option for amdfam10.
8675
8676         * config/i386/i386.c (amdfam10_cost): New variable.
8677         (m_AMDFAM10): New macro.
8678         (m_ATHLON_K8_AMDFAM10): New macro.
8679         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
8680         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
8681         x86_promote_QImode, x86_integer_DFmode_moves,
8682         x86_partial_reg_dependency, x86_memory_mismatch_stall,
8683         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
8684         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
8685         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
8686         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
8687         Enable/disable for amdfam10.
8688         (override_options): Add amdfam10_cost to processor_target_table.
8689         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
8690         processor_alias_table.
8691         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
8692         (ix86_adjust_cost): Add code for amdfam10.
8693
8694 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8695
8696         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
8697         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
8698         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
8699         * config/i386/i386.h: Add builtin definition for SSE4A.
8700         * config/i386/i386.md: Add support for ABM instructions
8701         (popcnt and lzcnt).
8702         * config/i386/sse.md: Add support for SSE4A instructions
8703         (movntss, movntsd, extrq, insertq).
8704         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
8705         Add -march=amdfam10 flag.
8706         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
8707         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
8708         and amdfam10.
8709         * doc/extend.texi: Add documentation for SSE4A builtins.
8710
8711 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
8712
8713         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
8714
8715 2007-02-05  Richard Guenther  <rguenther@suse.de>
8716
8717         * tree-vectorizer.h (vectorizable_function): Add argument type
8718         argument, change return type.
8719         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
8720         * tree-vect-transform.c (vectorizable_function): Handle extra
8721         argument, return vectorized function decl.
8722         (build_vectorized_function_call): Remove.
8723         (vectorizable_call): Handle calls with result and argument types
8724         differing.  Handle loop vectorization factor correctly.
8725         * targhooks.c (default_builtin_vectorized_function): Adjust for
8726         extra argument.
8727         * targhooks.h (default_builtin_vectorized_function): Likewise.
8728         * target.h (builtin_vectorized_function): Add argument type
8729         argument.
8730         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
8731         extra argument, allow vectorizing of lrintf.
8732         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
8733         documentation of target hook.
8734
8735 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
8736
8737         PR target/30665
8738         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
8739         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
8740         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
8741
8742 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8743
8744         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
8745         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
8746         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
8747         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
8748         before canonicalizing sincos to cexpi.
8749         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
8750
8751 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8752
8753         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
8754         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
8755         (alpha_init_builtins): Use alpha_add_builtins to process tables.
8756
8757 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8758
8759         * mips-tfile.c (initialize_init_file): Correct endianness test.
8760
8761 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
8762
8763         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
8764         the 'y' constraint.
8765
8766 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
8767
8768         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
8769         saves in a PARALLEL before the register assignments.
8770
8771 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
8772
8773         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
8774         DWARF_FRAME_RETURN_COLUMN to be a general register.
8775         * dwarf2out.c (init_return_column_size): New function, split from...
8776         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
8777         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
8778         to be nongeneral registers.
8779         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
8780         integer registers.
8781         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
8782         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
8783
8784 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
8785
8786         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
8787
8788 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
8789
8790         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
8791         (remove_path): Use can_remove_branch_p and remove_branch instead
8792         of loop_delete_branch_edge.
8793         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
8794         (tree_transform_and_unroll_loop): Remove dead branches immediately.
8795         Update profile using scale_dominated_blocks_in_loop.
8796         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
8797         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
8798         (can_remove_branch_p, remove_branch): Declare.
8799         * tree-cfg.c (tree_can_remove_branch_p): New function.
8800         (tree_cfg_hooks): Add tree_can_remove_branch_p.
8801         * cfgrtl.c (rtl_can_remove_branch_p): New function.
8802         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
8803
8804 2007-02-05  Jan Hubicka  <jh@suse.cz>
8805
8806         PR middle-end/30696
8807         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
8808         nodes in cgraph, don't remove offline copy of the function.
8809
8810 2007-02-04  Jan Hubicka  <jh@suse.cz>
8811
8812         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
8813         vectors might cause maybe_lookup_element_for_expr to be called
8814         on non-sra-candidate.
8815
8816 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8817
8818         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
8819         config/bfin/bfin.md, config/bfin/predicates.md: Follow
8820         spelling conventions.
8821
8822 2007-02-04  Richard Guenther  <rguenther@suse.de>
8823
8824         PR middle-end/30636
8825         * fold-const.c (try_move_mult_to_index): Make sure to not
8826         overflow one dimension of a multi-dimensional array access.
8827
8828 2007-02-04  Jan Hubicka  <jh@suse.cz>
8829
8830         * passes.c (init_optimization_passes): Reindent.
8831
8832 2007-02-04  Jan Hubicka  <jh@suse.cz>
8833             Eric Botcazou  <ebotcazou@adacore.com>
8834
8835         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
8836         (execute_fixup_cfg): Break out the abnormal goto code.
8837         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
8838         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
8839         (optimize_inline_calls): Call make_nonlocal_label_edges.
8840
8841 2007-02-04  Jan Hubicka  <jh@suse.cz>
8842
8843         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
8844         true when something was changed.
8845         (rename_ssa_copies): When something was changed, do
8846         TODO_remove_unused_locals.
8847         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
8848         add TODO_remove_unused_locals when instruction was removed.
8849
8850 2007-02-04  Jan Hubicka  <jh@suse.cz>
8851
8852         * ipa-inline.c (try_inline): Improve debug output; work on already
8853         inline edges too.
8854         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
8855         call try_inline for already inlined edges too when flattening;
8856         inline also functions that make callee growth but overall unit size
8857         reduce.
8858
8859 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8860
8861         * config/m32c/bitops.md, config/m32c/jump.md,
8862         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
8863         config/m32r/m32r.h, config/m32r/m32r.md,
8864         config/m32r/predicates.md, config/m68hc11/larith.asm,
8865         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
8866         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
8867         config/mips/mips-protos.h, config/mips/mips.c,
8868         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
8869         config/mn10300/mn10300.h, config/mn10300/predicates.md,
8870         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
8871         spelling conventions.
8872
8873         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
8874         Follow spelling conventions.
8875
8876 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
8877
8878         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
8879         warn about C++0x compatibility.
8880
8881 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8882
8883         * config/h8300/h8300.c, config/h8300/h8300.h,
8884         config/h8300/h8300.md: Follow spelling conventions.
8885
8886 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
8887
8888         PR middle-end/30667
8889         * combine.c (try_combine): Do not substitute source operand
8890         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
8891
8892 2007-02-03  Jan Hubicka  <jh@suse.cz>
8893
8894         PR gcov-profile/30650
8895         * value-prof.c (stringop_block_profile): Fix handling of size counter;
8896         do not divide by zero for never executed counters.
8897         (tree_find_values_to_profile): Fix counters.
8898         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
8899
8900 2007-02-03  Ian Lance Taylor  <iant@google.com>
8901
8902         * lower-subreg.c (simple_move_operand): New static function,
8903         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
8904         operands.
8905         (simple_move): Call simple_move_operand.
8906         (find_decomposable_subregs): Add special handling of MEMs.
8907         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
8908         meaning of return value.  If we see a hard register, test whether
8909         it can store a word_mode value.  Change all callers.
8910
8911 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8912
8913         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
8914         ftrapv insns and expanders.
8915         (subdi3): Change define_expand operand 1 to arith11_operand, and
8916         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
8917         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
8918         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
8919         respectively.
8920
8921         PR middle-end/30174
8922         * varasm.c (notice_global_symbol): Treat global objects as weak when
8923         flag_shlib is true.
8924
8925 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8926
8927         * emit-rtl.c (dconstpi): Delete.
8928         (dconstsqrt2): New.
8929         (init_emit_once): Delete dconstpi and init dconstsqrt2.
8930         * real.h (dconstpi): Delete.
8931         (dconstsqrt2): New.
8932         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
8933         (fold_builtin_hypot): Likewise.
8934
8935 2007-02-03  Tom Tromey  <tromey@redhat.com>
8936
8937         PR driver/30246
8938         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
8939         -gcoff3, -gxcoff3, -gvms3 implies -dD.
8940
8941 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
8942
8943         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
8944         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
8945         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
8946         config/rs6000/cell.md, config/rs6000/darwin.h,
8947         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
8948         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
8949         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
8950         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
8951         typos.  Follow spelling conventions.
8952         * doc/invoke.texi: Follow spelling conventions.
8953
8954 2007-02-03  Roger Sayle  <roger@eyesopen.com>
8955
8956         * simplify-rtx.c (simplify_relational_operation_1): Implement some
8957         canonicalization transformations that attempt to simplify integer
8958         constant comparisons to become comparisons against zero.
8959
8960 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8961
8962         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
8963         fabs(x)*sqrt(2).
8964         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
8965         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
8966
8967 2007-02-02  Mike Stump  <mrs@apple.com>
8968
8969         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
8970         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
8971         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
8972         generate a branch island.
8973
8974 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
8975
8976         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
8977         (xtensa_legitimate_address_p): New.
8978         (xtensa_legitimize_address): New.
8979         (xtensa_output_addr_const_extra): New.
8980         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
8981         (BASE_REG_P): New.
8982         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
8983         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
8984         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
8985         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
8986         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
8987         (xtensa_legitimize_address): New.
8988         (xtensa_output_addr_const_extra): New.
8989
8990 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
8991
8992         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
8993
8994 2007-02-02  Ian Lance Taylor  <iant@google.com>
8995
8996         * expmed.c (expand_divmod): Add comment.
8997
8998 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
8999
9000         * emit-rtl.c (renumber_insns): Remove.
9001         * flags.h: Remove the extern for flag_renumber_insns.
9002         * rtl.h: Remove the prototype for renumber_insns.
9003         * toplev.c (flag_renumber_insns): Remove.
9004
9005 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
9006
9007         Revert for x86 darwin:
9008         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
9009
9010         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
9011         code before the following patch under TARGET_MACHO.
9012         (ix86_function_value_regno_p): Likewise.
9013
9014 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9015
9016         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
9017         COMPLEX_EXPR.
9018
9019 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
9020
9021         PR target/29682
9022         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
9023         general or fp registers.  Add comments.
9024         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
9025
9026 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
9027
9028         * pointer-set.c (insert_aux): Only return insertion slot.
9029         (pointer_set_insert): Adjust.
9030         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
9031         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
9032         pointer_map_traverse): New.
9033         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
9034         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
9035         pointer_map_contains, pointer_map_traverse): Declare.
9036
9037 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
9038
9039         PR middle-end/30473
9040         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
9041         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
9042
9043 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
9044
9045         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
9046
9047         (struct _dep): New type.
9048         (dep_t): New typedef.
9049         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
9050         (DEP_STATUS): New access macro.  The macro with the same name was
9051         renamed to DEP_LINK_STATUS.
9052         (dep_init): Declare function
9053
9054         (struct _dep_link): New type.
9055         (dep_link_t): New typedef.
9056         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
9057         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
9058         (DEP_LINK_STATUS): New macro.
9059         (debug_dep_links): New debug function.
9060
9061         (struct _deps_list): New type.
9062         (deps_list_t): New typedef.
9063         (DEPS_LIST_FIRST): New access macro.
9064         (FOR_EACH_DEP_LINK): New cycle macro.
9065         (create_deps_list, free_deps_list, delete_deps_list): Declare
9066         functions.
9067         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
9068         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
9069         (copy_deps_list_change_con): Ditto.
9070
9071         (move_dep_link): Declare function.
9072
9073         (struct _dep_node): New type.
9074         (dep_node_t): New typedef.
9075         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
9076
9077         (struct haifa_insn_data.back_deps): New field to hold backward
9078         dependencies of the insn.
9079         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
9080         to deps_list_t.
9081         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
9082         Change its type to deps_list_t.
9083         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
9084         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
9085         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
9086
9087         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
9088
9089         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
9090
9091         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
9092         all callers.
9093         (dep_cost): Declare.
9094
9095         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
9096         (ds_to_dk, dk_to_ds): New functions.
9097
9098         (init_dep_1): New static function.
9099         (init_dep): New function.
9100         (copy_dep): New static function.
9101
9102         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
9103         functions.
9104         (detach_dep_link): New static function.
9105         (move_dep_link): New function.
9106
9107         (dep_links_consistent_p, dump_dep_links): New static functions.
9108         (debug_dep_links): New debugging function.
9109
9110         (deps_obstack, dl_obstack, dn_obstack): New static variables.
9111
9112         (alloc_deps_list, init_deps_list): New static functions.
9113         (create_deps_list): New function.
9114         (clear_deps_list): New static function.
9115         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
9116         (deps_list_consistent_p, dump_deps_list): New static functions.
9117         (debug_deps_list): New function.
9118         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
9119         functions.
9120         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
9121
9122         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
9123         use new scheduler dependencies lists.
9124         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
9125         (sched_analyze): Ditto.  Initialize dependencies lists.
9126         (add_forw_dep, compute_forward_dependences): Update to use new
9127         scheduler dependencies lists.
9128
9129         (init_dependency_caches): Init deps_obstack.
9130         (free_dependency_caches): Free deps_obstack.
9131
9132         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
9133         new scheduler dependencies lists.
9134         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
9135         (add_back_forw_dep, delete_back_forw_dep): Ditto.
9136
9137         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
9138         Update to use new scheduler dependencies lists.
9139         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
9140         (debug_dependencies): Ditto.
9141         (schedule_region): Update comments.
9142
9143         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
9144         scheduler dependencies lists.
9145         (schedule_ebb): Update comments.
9146
9147         * rtl.def (DEPS_LIST): Remove.
9148
9149         * lists.c (unused_deps_list): Remove.
9150         (free_list): Update assertions.
9151
9152         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
9153         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
9154
9155         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
9156         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
9157
9158         * haifa-sched.c (comments): Update.
9159         (insn_cost1): Remove.  Inline the code into insn_cost ().
9160         (insn_cost): Update to use new scheduler dependencies lists.  Move
9161         processing of the dependency cost to dep_cost ().
9162         (dep_cost): New function.  Use it instead of insn_cost () when
9163         evaluating cost of the dependency.  Use compatible interface to
9164         interact with the target.
9165         (priority): Update to use new scheduler dependencies lists.
9166         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
9167         with greater number of insns that depend on the insn.
9168         (schedule_insn): Update to use new scheduler dependencies lists.  Add
9169         code to free backward dependencies lists.  Inline and optimize code
9170         from resolve_dep () - see PR28071.
9171         (ok_for_early_queue_removal): Update to use new scheduler dependencies
9172         lists.  Update call to targetm.sched.is_costly_dependence hook.
9173
9174         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
9175         scheduler dependencies lists.
9176
9177         (resolve_dep): Remove.  Move the logic to schedule_insn ().
9178         (init_h_i_d): Initialize dependencies lists.
9179
9180         (process_insn_depend_be_in_spec): Rename to
9181         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
9182         dependencies lists.
9183         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
9184         Update to use new scheduler dependencies lists.
9185         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
9186
9187         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
9188         new scheduler dependencies lists.
9189         (build_intra_loop_deps): Ditto.
9190
9191         * target.h (struct _dep): Declare to use in
9192         gcc_target.sched.is_costly_dependence.
9193         (struct gcc_target.sched.adjust_cost): Fix typo.
9194         (struct gcc_target.sched.is_costly_dependence): Change signature to use
9195         single dep_t parameter instead of an equivalent triad.
9196         (struct gcc_target.sched.adjust_cost_2): Remove.
9197
9198         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
9199
9200         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
9201
9202         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
9203         documentation.
9204         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
9205
9206         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
9207         (REG_DEP_TRUE): Document.
9208
9209         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
9210         Change signature to correspond to the targetm.sched.adjust_cost hook.
9211         Update use in TARGET_SCHED_ADJUST_COST_2.
9212         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
9213         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
9214         new scheduler dependencies lists.
9215         (ia64_gen_check): Ditto.
9216
9217         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
9218         dependencies lists.
9219
9220         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
9221         signature to correspond to the targetm.sched.is_costly_dependence hook.
9222         (is_costly_group): Update to use new scheduler dependencies lists.
9223
9224         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
9225         instead of INSN_COST () macro.
9226
9227 2007-02-01  Ian Lance Taylor  <iant@google.com>
9228
9229         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
9230
9231 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
9232
9233         * pa.md (tp_load): Correct mfctl instruction syntax.
9234
9235 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
9236
9237         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
9238         altivec_padding_size calculation on AIX.  Improve comment, add
9239         assert to verify that it's right.
9240
9241         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
9242         64-bit.
9243
9244 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
9245
9246         PR inline-asm/28686
9247         * global.c (global_alloc): Add mising initialization of
9248         ELIMINABLE_REGSET.
9249
9250 2007-02-01  Roger Sayle  <roger@eyesopen.com>
9251
9252         * alias.c (init_alias_analysis): Correct whitespace.
9253         * bb-reorder.c (fix_edges_for_rarely_executed_code,
9254         partition_hot_cold_basic_blocks): Likewise.
9255         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
9256         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
9257         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
9258         fold_builtin_snprintf_chk, fold_builtin_printf,
9259         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
9260         do_mpfr_arg3, do_mpfr_sincos): Likewise.
9261         * cfgcleanup.c (cleanup_cfg): Likewise.
9262         * cfgexpand.c (tree_expand_cfg): Likewise.
9263         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
9264         * function.c (get_next_funcdef_no): Likewise.
9265         * gengtype.c (main): Likewise.
9266         * genmodes.c (main): Likewise.
9267         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
9268         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
9269         * ifcvt.c (noce_emit_move_insn): Likewise.
9270         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
9271         Likewise.
9272         * stor-layout.c (get_best_mode): Likewise.
9273         * tree-ssa-loop-niter.c (get_val_for): Likewise.
9274         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
9275         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
9276         perform_var_substitution, solve_graph): Likewise.
9277         * tree-vrp.c (vrp_finalize): Likewise.
9278
9279 2007-02-01  Ian Lance Taylor  <iant@google.com>
9280
9281         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
9282         high part of a paradoxical subreg, return a constant zero.
9283
9284 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
9285
9286         * toplev.c (lang_dependent_init): Call init_set_costs.
9287         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
9288
9289 2007-02-01  Richard Guenther  <rguenther@suse.de>
9290
9291         PR middle-end/30656
9292         * fold-const.c (fold_negate_expr): Allow negating a
9293         constant if overflow does not change.
9294
9295 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9296
9297         * doc/c-tree.texi (Expression trees): Improve markup.
9298         * doc/tm.texi (Register Classes, Addressing Modes)
9299         (Floating Point): Fix spacing after abbreviations.  Fix some
9300         typos.
9301
9302 2007-02-01  Ben Elliston  <bje@au.ibm.com>
9303
9304         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
9305         * doc/contrib.texi: Likewise.
9306         * doc/install.texi: Likewise.
9307
9308 2007-01-31  Richard Henderson  <rth@redhat.com>
9309             Ian Lance Taylor  <iant@google.com>
9310
9311         * lower-subreg.c: New file.
9312         * rtl.def (CONCATN): Define.
9313         * passes.c (init_optimization_passes): Add pass_lower_subreg and
9314         pass_lower_subreg2.
9315         * emit-rtl.c (update_reg_offset): New static function, broken out
9316         of gen_rtx_REG_offset.
9317         (gen_rtx_REG_offset): Call update_reg_offset.
9318         (gen_reg_rtx_offset): New function.
9319         * regclass.c: Revert patch of 2006-03-05, restoring
9320         reg_scan_update.
9321         (clear_reg_info_regno): New function.
9322         * dwarf2out.c (concatn_loc_descriptor): New static function.
9323         (loc_descriptor): Handle CONCATN.
9324         * common.opt (fsplit_wide_types): New option.
9325         * opts.c (decode_options): Set flag_split_wide_types when
9326         optimizing.
9327         * timevar.def (TV_LOWER_SUBREG): Define.
9328         * rtl.h (gen_reg_rtx_offset): Declare.
9329         (reg_scan_update): Declare.
9330         * regs.h (clear_reg_info_regno): Declare.
9331         * tree-pass.h (pass_lower_subreg): Declare.
9332         (pass_lower_subreg2): Declare.
9333         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
9334         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
9335         -fsplit-wide-types.
9336         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
9337         * Makefile.in (OBJS-common): Add lower-subreg.o.
9338         (lower-subreg.o): New target.
9339
9340 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9341
9342         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
9343
9344 2007-01-31  Anatoly Sokolov <aesok@post.ru>
9345
9346         PR target/19087
9347         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
9348
9349 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9350
9351         PR middle-end/29335
9352         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
9353
9354 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
9355
9356         * cfgloop.h: Include vec-prim.h.
9357         (enum li_flags): Remove LI_ONLY_OLD.
9358         (loop_iterator): Changed.
9359         (fel_next, fel_init): Iterate over loop tree.
9360         (FOR_EACH_LOOP_BREAK): New macro.
9361         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
9362         FOR_EACH_LOOP.
9363         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
9364         * modulo-sched.c (sms_schedule): Ditto.
9365         * tree-vectorizer.c (vectorize_loops): Ditto.
9366         * doc/loop.texi: Update information on loop numbering and behavior of
9367         FOR_EACH_LOOP wrto new loops.
9368         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9369         add_to_evolution_1): Test nestedness of loops instead of comparing
9370         their numbers.
9371         * tree-chrec.c (chrec_fold_plus_poly_poly,
9372         chrec_fold_multiply_poly_poly, chrec_evaluate,
9373         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
9374         reset_evolution_in_loop): Ditto.
9375         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
9376
9377 2007-01-31  Dirk Mueller  <dmueller@suse.de>
9378
9379         * c-common.c (warn_about_parentheses): Separate warning about
9380         un-parenthized sequence of comparison operators from the one
9381         which is supposed to warn about x <= y <= z.
9382
9383 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
9384
9385         * optabs.h (enum optab_index): Add new OTI_isinf.
9386         (isinf_optab): Define corresponding macro.
9387         * optabs.c (init_optabs): Initialize isinf_optab.
9388         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
9389         patterns.
9390         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
9391         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
9392         using isinf_optab.
9393         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
9394         expand_builtin_interclass_mathfn.
9395         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
9396         * config/i386/i386.md (UNSPEC_FXAM): New constant.
9397         (fxam<mode>2_i387): New insn pattern.
9398         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
9399         built-in functions as x87 inline asm.
9400
9401 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9402
9403         * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
9404
9405 2007-01-30  Eric Christopher  <echristo@apple.com>
9406
9407         * config.gcc: Add geode.
9408
9409 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9410
9411         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
9412         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
9413         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
9414         value-prof.c: Fix comment typos.
9415
9416 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9417
9418         PR c++/24745
9419         * doc/invoke.texi (Wpointer-arith): Document warning.
9420
9421 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
9422
9423         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
9424         the list of discrepancies from the draft TR.
9425
9426 2007-01-30  Dirk Mueller  <dmueller@suse.de>
9427
9428         PR c++/30601
9429         * doc/invoke.texi (-Wreturn-type): Update description to
9430         match new behavior.
9431
9432 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
9433
9434         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
9435
9436 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
9437
9438         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
9439         to handle optabs that operate on floating point input argument and
9440         output to integer output.
9441         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
9442         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
9443         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
9444         expand_builtin_interclass_mathfn ().
9445         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
9446         (ilogbsi2): Remove.
9447         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
9448         ilogbl built-in functions as x87 intrinsics.
9449
9450 2007-01-30  Richard Guenther  <rguenther@suse.de>
9451
9452         PR middle-end/27657
9453         * dwarf2out.c (reference_to_unused): Query varpool if the
9454         variable was output.
9455
9456 2007-01-30  Richard Guenther  <rguenther@suse.de>
9457
9458         PR middle-end/30313
9459         * passes.c (execute_one_pass): Reset in_gimple_form to not
9460         confuse non-unit-at-a-time mode.
9461
9462 2007-01-29  Roger Sayle  <roger@eyesopen.com>
9463             Richard Guenther  <rguenther@suse.de>
9464
9465         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
9466         avoid undefined behaviour on overflow.  Use force_fit_type_double
9467         to construct the constant with the specified TREE_OVERFLOW.
9468
9469 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
9470
9471         * config/dfp-bit.c: Add parameterized support for fp exceptions.
9472         * config/dfp-bit.h: Ditto.
9473
9474 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9475
9476         * c-decl.c (pop_scope): Replace warnings with call to
9477         warn_for_unused_label.
9478         * c-common.h (warn_for_unused_label): Declare.
9479         * c-common.c (warn_for_unused_label): Define.
9480
9481 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9482
9483         * tree-optimize.c (update_inlined_to_pointers): Delete unused
9484         function.
9485
9486 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
9487
9488         * Makefile.in (USER_H): Remove decfloat.h.
9489         * ginclude/decfloat.h: Delete, moving contents to ...
9490         * ginclude/float.h: Add support for decimal floating point,
9491         guarded by __STDC_WANT_DEC_FP__.
9492
9493 2007-01-29  Mike Stump  <mrs@apple.com>
9494
9495         * doc/gccint.texi (Top): Rename Loop Representation to Loop
9496         Analysis and Representation to resolve case insensitive conflict.
9497         * doc/loop.texi (Loop Analysis and Representation): Likewise.
9498
9499 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
9500
9501         * tree.h (struct tree_memory_tag): Add aliases member.
9502         (MTAG_ALIASES): New macro.
9503         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
9504         (add_may_alias): Remove pointer-set. Update for may_aliases being
9505         a bitmap.
9506         (mark_aliases_call_clobbered): Update for may_aliases being a
9507         bitmap.
9508         (compute_tag_properties): Ditto.
9509         (create_partition_for): Ditto.
9510         (compute_memory_partitions): Ditto.
9511         (dump_may_aliases_for): Ditto.
9512         (is_aliased_with): Ditto.
9513         (add_may_alias_for_new_tag): Ditto.
9514         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
9515         (compute_is_aliased): New function.
9516         (compute_may_aliases): Call compute_is_aliased).
9517         (init_alias_info): Initialize alias_bitmap_obstack.
9518         (union_alias_set_into): New function.
9519         (compute_flow_sensitive_aliasing): Use union_aliases_into.
9520         (have_common_aliases_p): Rewrite to take two bitmaps and use
9521         intersection.
9522         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
9523         Update for bitmaps.
9524         (finalize_ref_all_pointers): Update for add_may_alias changes.
9525         (new_type_alias): Ditto.
9526         * tree-flow-inline.h (may_aliases): Return a bitmap.
9527         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
9528         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
9529         may_aliases being a bitmap.
9530         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
9531         may_aliases now returns a bitmap.
9532         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
9533         being a bitmap.
9534         * tree-ssa-operands.c (add_virtual_operand): Update for
9535         may_aliases being a bitmap.
9536
9537 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
9538
9539         PR tree-optimization/30630
9540         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
9541         variable as changed.
9542
9543 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
9544
9545         PR c++/28266
9546         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
9547         expanded only once even if an error occurs.
9548
9549 2007-01-29  Ben Elliston  <bje@au.ibm.com>
9550
9551         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
9552         (__gcov_average_profiler): Likewise.
9553         (__gcov_ior_profiler): Likewise.
9554         (__gcov_merge_ior): Likewise.
9555
9556 2007-01-28  Jan Hubicka  <jh@suse.cz>
9557
9558         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
9559         * value-prof.c (stringop_block_profile): Likewise.
9560
9561 2007-01-28  Jan Hubicka  <jh@suse.cz>
9562
9563         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
9564         variant handling histograms; add wrapper.
9565         (clear_storage_via_libcall): Export.
9566         (emit_block_move_hints): Break out from ...; add histograms.
9567         (emit_block_move): ... this one.
9568         (clear_storage_hints): Break out from ...; add histograms.
9569         (clear_storage): ... this one.
9570         (set_storage_via_memset): Handle histogram.
9571         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
9572         (clear_storage_hints, clear_storage_via_libcall): Declare.
9573         (set_storage_via_setmem): Update prototype.
9574         * doc/md.texi (movmem, setmem): Document new arguments.
9575
9576         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
9577         new histograms.
9578         (stringop_block_profile): New global function.
9579         (tree_stringops_values_to_profile): Profile block size and alignment.
9580         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
9581         HIST_TYPE_IOR.
9582         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
9583         (stringop_block_profile): Declare.
9584         * builtins.c: Include value-prof.h.
9585         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
9586         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
9587         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
9588         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
9589         * profile.c (instrument_values): Add new counters.
9590         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
9591         calls.
9592         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
9593         (tree_init_edge_profiler): Build new profilers.
9594         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
9595         (pass_tree_profile): Add dump.
9596         (tree_profile_hooks): Update.
9597         * Makefile.in (LIBGCOV): Add new constants.
9598         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
9599         __gcov_ior_profiler): New.
9600         * i386.md (movmem/setmem expanders): Add new optional arguments.
9601
9602 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
9603
9604         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
9605
9606 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
9607
9608         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
9609         (tree_unswitch_single_loop): Pass eni_size_weights to
9610         tree_num_loop_insns.
9611         * tree-ssa-loop-manip.c: Include tree-inline.h.
9612         (can_unroll_loop_p): Pass eni_size_weights to
9613         tree_num_loop_insns.
9614         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
9615         Pass eni_size_weights to estimate_num_insns.
9616         * tree.h (init_inline_once): Export.
9617         * toplev.c (backend_init): Call init_inline_once.
9618         * cgraphunit.c (cgraph_process_new_functions,
9619         cgraph_analyze_function): Pass eni_inlining_weights to
9620         estimate_num_insns.
9621         * ipa-inline.c (compute_inline_parameters): Ditto.
9622         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
9623         to estimate_num_insns.
9624         (try_unroll_loop_completely): Pass eni_size_weights to
9625         tree_num_loop_insns.
9626         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
9627         ot estimate_num_insns.
9628         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
9629         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
9630         * tree-inline.c (eni_inlining_weights, eni_size_weights,
9631         eni_time_weights): New variables.
9632         (init_inline_once): Initialize them.
9633         (struct eni_data): Mew.
9634         (estimate_num_insns_1, estimate_num_insns): Use weights.
9635         * tree-inline.h (struct eni_weights_d): New.
9636         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
9637         (estimate_num_insns): Declaration changed.
9638         * cfgloop.h (tree_num_loop_insns): Declaration changed.
9639         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
9640         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
9641
9642 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
9643
9644         * tree-data-ref.c (conflict_fn): Assert that the number of affine
9645         relations in the conflict function is valid.
9646
9647 2007-01-27  Ian Lance Taylor  <iant@google.com>
9648
9649         * common.opt: Add fstrict-overflow.
9650         * opts.c (decode_options): Set flag_strict_overflow if -O2.
9651         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
9652         (TYPE_OVERFLOW_UNDEFINED): Define.
9653         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
9654         Replace all uses.
9655         * tree.h (TYPE_TRAP_SIGNED): Don't define.
9656         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
9657         (fold_negate_expr): Likewise.
9658         (make_range): Likewise.
9659         (extract_muldiv_1): Likewise.
9660         (maybe_canonicalize_comparison): Likewise.
9661         (fold_comparison): Likewise.
9662         (fold_binary): Likewise.
9663         (tree_expr_nonnegative_p): Likewise.
9664         (tree_expr_nonzero_p): Likewise.
9665         * tree-vrp.c (compare_values): Likewise.
9666         (extract_range_from_binary_expr): Likewise.
9667         (extract_range_from_unary_expr): Likewise.
9668         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
9669         Likewise.
9670         (nowrap_type_p): Likewise.
9671         * tree-scalar-evolution.c (simple_iv): Likewise.
9672         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
9673         (build_range_check): Likewise.
9674         (extract_muldiv_1): Likewise.
9675         (fold_comparison): Likewise.
9676         * tree-vrp.c (vrp_int_const_binop): Likewise.
9677         (extract_range_from_unary_expr): Likewise.
9678         * convert.c (convert_to_integer): Likewise.
9679         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
9680         (fold_comparison): Likewise.
9681         (fold_binary): Likewise.
9682         * optabs.c (optab_for_tree_code): Likewise.
9683         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
9684         * simplify-rtx.c (simplify_const_relational_operation): Check
9685         flag_strict_overflow and flag_trapv.
9686         (simplify_const_relational_operation): Likewise.
9687         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
9688         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
9689         -fstrict-overflow.
9690
9691 2007-01-27  Roger Sayle  <roger@eyesopen.com>
9692
9693         * tree.c (tree_fold_gcd): Delete.
9694         * tree.h (tree_fold_gcd): Remove prototype.
9695         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
9696         test whether one constant integer is a multiple of another.  Instead
9697         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
9698         * fold-const.c (multiple_of_p):  We've determined both TOP and
9699         BOTTOM are integer constants so we can call int_const_binop directly
9700         instead of the more generic const_binop.
9701
9702 2007-01-27  Roger Sayle  <roger@eyesopen.com>
9703
9704         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
9705         1*X check that the constant hasn't overflowed, to preserve the
9706         TREE_OVERFLOW bit.
9707         (round_up): Provide an efficient implementation when rouding-up an
9708         INTEGER_CST to a power-of-two.
9709
9710 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9711
9712         * doc/sourcebuild.texi: Add comma for clarity.
9713         * doc/extend.texi: Fix some typos.
9714         * doc/passes.texi: Likewise.
9715         * doc/cppinternals.texi: Likewise.
9716         * doc/c-tree.texi: Likewise.
9717         * doc/tree-ssa.texi: Likewise.
9718         * doc/install.texi: Likewise.
9719
9720 2007-01-27  Jan Hubicka  <jh@suse.cz>
9721
9722         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
9723         (pass_sra): Do not require alias information.
9724         * passes.c (init_optimization_passes): Add SRA
9725
9726 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
9727
9728         * tracer.c (rest_of_handle_tracer): We already cleaned
9729         up the CFG in tracer() so don't do it here again.
9730         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
9731         cleanup_cfg here, either.  And don't call renumber_insns.
9732
9733         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
9734         and BB_HEAD are in the insn stream here.  Instead make sure
9735         that BB_INSN is valid on all insns.  Also, do check here that
9736         there are no pending branch predictions...
9737         (rtl_verify_flow_info): ...instead of doing it here.  Checks
9738         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
9739         here.
9740
9741 2007-01-26  Roger Sayle  <roger@eyesopen.com>
9742
9743         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
9744         function to simplify/factorize operand order canonicalization.
9745         (ix86_fixup_binary_operands): Reorganize using the above function.
9746         (ix86_binary_operator_ok): Likewise.
9747
9748 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
9749
9750         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
9751         file scope from optimize_attrs.
9752         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
9753         up search.
9754         (optimize_attrs): Clear insn_code_values after freeing it.
9755
9756 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
9757
9758         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
9759         a parts.base assignment.
9760
9761 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
9762
9763         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
9764         (compute_subscript_distance, initialize_data_dependence_relation,
9765         finalize_ddr_dependent, analyze_ziv_subscript,
9766         analyze_siv_subscript_cst_affine,
9767         compute_overlap_steps_for_affine_univar,
9768         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
9769         analyze_siv_subscript, analyze_miv_subscript,
9770         analyze_overlapping_iterations, subscript_dependence_tester_1,
9771         compute_self_dependence, free_dependence_relation): Work
9772         with affine_fn instead of chrecs.
9773         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
9774         common_affine_function, affine_function_base,
9775         affine_function_constant_p, affine_fn_op, affine_fn_plus,
9776         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
9777         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
9778         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
9779         (all_chrecs_equal_p): Removed.
9780         * tree-data-ref.h (affine_fn, conflict_function): New types.
9781         (struct subscript): Change type of conflicting_iterations_in_a
9782         and conflicting_iterations_in_b.
9783
9784 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
9785
9786         PR other/30182
9787         * config/pa/pa.h (TARGET_HPUX_11): New.
9788         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
9789         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
9790
9791 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
9792         Richard Guenther  <rguenther@suse.de>
9793
9794         * tree-ssa-structalias.c (solve_graph): Handle case
9795         we merged the variable to another.
9796
9797 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9798
9799         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
9800         functions.
9801
9802         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
9803         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
9804
9805 2007-01-25  DJ Delorie  <dj@redhat.com>
9806
9807         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
9808         allow changes to modes which don't fit in those registers.
9809
9810         * reload1.c (choose_reload_regs): Check for invalid subregs before
9811         computing their locations, not after.
9812
9813 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
9814
9815         PR 25127
9816         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
9817         save Altivec registers in an eh_return function.
9818         (compute_vrsave_mask): Likewise.
9819         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
9820         for saving Altivec registers.
9821         (rs6000_emit_prologue): Don't allocate stack twice in
9822         eh_return function.  Correct expected value of altivec_save_offset
9823         when using save_world.  Describe save of R0 to stack when using
9824         save_world.  Describe stack pointer adjustment when using
9825         save_world.  Remove duplicated eh_return parameter register saving.
9826         Update sp_offset variable after save_world.
9827         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
9828         darwin-world.asm.
9829         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
9830         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
9831         implies Altivec.
9832
9833 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
9834
9835         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
9836
9837 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
9838
9839         PR other/30182
9840         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
9841         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
9842
9843 2007-01-25  Richard Guenther  <rguenther@suse.de>
9844
9845         * doc/invoke.texi (-Wcoverage-mismatch): Document.
9846         * common.opt (-Wcoverage-mismatch): New warning option.
9847         * coverage.c (get_coverage_counts): Ignore coverage mismatch
9848         if -Wcoverage-mismatch is given.
9849
9850 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
9851
9852         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
9853         (ipcp_driver): Change to static definition.
9854         Add dumping of the ifunctions.
9855         (constant_val_insert): Remove unused parameter. Support for SSA.
9856         (ipcp_propagate_const): Support for SSA.
9857         (ipcp_profile_bb_print): Print only analyzed nodes.
9858         (ipcp_replace_map_create): Remove support for Fortran constant
9859         for now.
9860         * ipa-prop.c (ipa_method_modify_stmt,
9861         ipa_callsite_compute_param): Support for SSA.
9862         * ipa-prop.h (ipcp_driver): Remove declaration.
9863         (IS_VALID_TREE_MAP_INDEX): Add define.
9864
9865 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
9866
9867         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
9868
9869 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9870
9871         PR middle-end/30447
9872         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
9873         constant argument to cabs and do it without checking for
9874         -funsafe-math-optimizations.
9875
9876 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
9877
9878         * c-common.h (RID_FIRST_CXX0X): New.
9879         (RID_LAST_CXX0X): New.
9880         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
9881         by -Wall.
9882         * c.opt (Wc++0x-compat): New.
9883         * doc/invoke.texi (-Wc++0x-compat): Document.
9884
9885 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9886
9887         * builtins.c (fold_builtin_carg): New.
9888         (fold_builtin_1): Use it.
9889
9890 2007-01-24  Jan Hubicka  <jh@suse.cz>
9891
9892         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
9893
9894         * ipa-inline.c (initial_insns, max_insns): Delete.
9895         (compute_max_insns): New function.
9896         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
9897         of insns as base for code growth.
9898         (cgraph_decide_inlining): Make initial_insns local; do not compute
9899         max_insns.
9900         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
9901         * doc/invoke.texi (inline-unit-growth): Update docs.
9902
9903 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
9904
9905         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
9906         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
9907         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
9908         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
9909         for CPUs that have PTA_CX16 set.
9910
9911         PR middle-end/27416
9912         * gimplify.c (omp_check_private): New function.
9913         (gimplify_scan_omp_clauses): Use it for
9914         firstprivate/lastprivate/reduction.
9915
9916         PR middle-end/30494
9917         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
9918         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
9919
9920         PR middle-end/30421
9921         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
9922         If lower_lastprivate_clauses emits some statements, append them
9923         to dlist rather than body_p and to body_p append an initializer.
9924         (lower_omp_for): Adjust caller.
9925
9926 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
9927
9928         * target.h (globalize_decl_name): New.
9929         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
9930         * output.h (default_globalize_decl_name): New.
9931         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
9932         globalize_label.
9933         (globalize_decl): Ditto.
9934         (default_globalize_decl_name): New.
9935         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
9936         (ia64_handle_version_id_attribute): New.
9937         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
9938         (ia64_asm_output_external): Use globalize_decl_name instead
9939         of globalize_label.
9940         * doc/extend.texi (version_id): New pragma.
9941         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
9942
9943 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9944
9945         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
9946         _uleb128_t and _Unwind_SWord with _sleb128_t.
9947         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
9948         uw_frame_state_for, uw_update_context_1): Likewise.
9949         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
9950         * unwind-pe.h (read_uleb128, read_sleb128,
9951         read_encoded_value_with_base): Likewise.
9952         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
9953
9954 2007-01-24  Richard Guenther  <rguenther@suse.de>
9955
9956         * builtins.c (expand_builtin_cexpi): Get the fndecl
9957         for cexp in the correct way.
9958
9959 2007-01-24  Jan Hubicka  <jh@suse.cz>
9960
9961         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
9962
9963 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9964
9965         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
9966         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
9967         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
9968         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
9969         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
9970         __SIZEOF_PTRDIFF_T__.
9971         * doc/cpp.texi: Documentation for the new builtin macros added.
9972
9973 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
9974
9975         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
9976         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
9977         instead of operands[2] to avoid access past the end of array.
9978
9979 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
9980
9981         * reload1.c (emit_reload_insns): Pass the reload register
9982         for a non-spill output reload through forget_old_reloads_1.
9983
9984 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
9985
9986         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
9987         _SOFT_DOUBLE if doubles use software floating-point.
9988         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
9989         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
9990         * config/rs6000/darwin-ldouble.c: Also compile functions for
9991         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
9992         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
9993         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
9994         commented-out long double override.
9995         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
9996         * config/rs6000/eabispe.h: Likewise.
9997         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
9998         long double for non-SPE.
9999         (rs6000_handle_option): Likewise.
10000         (invalid_e500_subreg): Disallow more subregs involding DImode,
10001         DFmode, TImode or TFmode.
10002         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
10003         E500 double.
10004         (legitimate_lo_sum_address_p): Also check for TFmode for E500
10005         double.
10006         (rs6000_legitimize_address): Also handle TFmode for E500 double.
10007         (rs6000_legitimize_reload_address): Also handle TFmode for E500
10008         double.
10009         (rs6000_legitimate_address): Also check for TFmode for E500
10010         double.
10011         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
10012         (spe_build_register_parallel): Handle TFmode and TCmode.
10013         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
10014         double.
10015         (function_arg): Handle TFmode and TCmode for E500 double.
10016         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
10017         in general.
10018         (print_operand): Handle TFmode and TImode for %y.
10019         (rs6000_generate_compare): Handle TFmode comparisons for E500
10020         double.
10021         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
10022         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
10023         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
10024         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
10025         TFmode for E500 double.
10026         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
10027         (floatsidf2): Enable for E500 double.
10028         (movtf_softfloat): Use rs6000_nonimmediate_operand.
10029         (extenddftf2): Change to extenddftf2_fprs.
10030         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
10031         depending on TARGET_E500_DOUBLE.
10032         (extendsftf2): Enable for E500 double.
10033         (trunctfdf2): Enable for E500 double.
10034         (trunctfsf2): Change to trunctfsf2_fprs.
10035         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
10036         depending on TARGET_E500_DOUBLE.
10037         (floatsitf2): Enable for E500 double.
10038         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
10039         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
10040         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
10041         (negtf2): Change to negtf2_internal.
10042         (negtf2): New expander.
10043         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
10044         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
10045         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
10046         (movdi_internal32): Use rs6000_nonimmediate_operand.
10047         (unnamed splitter): Likewise.
10048         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
10049         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
10050         (SPE64TF, DITI): New mode macros.
10051         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
10052         modes.
10053         (frob_tf_ti): New.
10054         (frob_<mode>_di_2): New.
10055         (frob_tf_di_8_2): New.
10056         (frob_di_df): Change to frob_di_<mode>; allow more modes.
10057         (frob_ti_tf): New.
10058         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
10059         more modes.
10060         (frob_ti_<mode>_8_2): New.
10061         (frob_ti_tf_2): New.
10062         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
10063         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
10064         TFmode.
10065         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
10066         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
10067         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
10068         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
10069         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
10070         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
10071         tsttflt_gp): New.
10072
10073 2007-01-23  Ian Lance Taylor  <iant@google.com>
10074
10075         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
10076         insn-*.o first.
10077         (OBJS-archive): Reformat, alphabetize.
10078         (OBJS): Change out_object_file to OBJS-md.
10079
10080 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
10081
10082         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
10083         JUMP_P and CALL_P predicates where applicable.
10084         * config/i386/i386.c: Ditto.
10085         * config/i386/i386.md: Ditto.
10086         * config/i386/mmx.md: Ditto.
10087         * config/i386/predicates.md: Ditto.
10088
10089 2007-01-22  Andreas Schwab  <schwab@suse.de>
10090
10091         * config/m68k/m68k.h: Fix comment.
10092
10093 2007-01-22  Jan Hubicka  <jh@suse.cz>
10094
10095         * passes.c (init_optimization_passes): Do not rerun
10096         pass_early_warn_uninitialized.
10097
10098 2007-01-22  Richard Guenther  <rguenther@suse.de>
10099
10100         PR tree-optimization/30038
10101         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
10102         function.
10103         (execute_cse_sincos_1): Likewise.
10104         (execute_cse_sincos): Likewise.
10105         (gate_cse_sincos): Likewise.
10106         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
10107         the cexpi() canonicalization of sincos().
10108         * tree-pass.h (pass_cse_sincos): Declare.
10109         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
10110
10111 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
10112
10113         PR rtl-optimization/29329
10114         * combine.c (replaced_rhs_insn): Rename to i2mod.
10115         (replaced_rhs_value): Rename to i2mod_new_rhs.
10116         (i2mod_old_rhs): New global variable.
10117         (combine_instructions): Adjust for above change.  Save a copy of
10118         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
10119         note are substituted in the second instruction.
10120         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
10121         ditch the note if it pertains to the second eliminated register
10122         and this register is mentioned in i2mod_old_rhs.
10123
10124         Revert:
10125         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
10126
10127         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
10128         the insn to which the note was originally attached.
10129
10130 2007-01-21  Jan Hubicka  <jh@suse.cz>
10131
10132         * ipa-inline.c (inlining_mode): Comment, move up.
10133         (cgraph_decide_inlining_incrementally): Do not perform inlining
10134         itself; fix handling of flattening of self recursive functions.
10135         (cgraph_find_cycles): Remove.
10136         (cgraph_flatten_node): Remove.
10137         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
10138         (try_inline): New function.
10139         (cgraph_early_inlining): Update call of
10140         cgraph_decide_inlining_incrementally.  Apply inlining here.
10141         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
10142
10143 2007-01-21  Dirk Mueller  <dmueller@suse.de>
10144
10145         PR bootstrap/30511
10146         * tree-vrp.c (check_array_bounds): do not warn
10147         about ADDR_EXPR's of ARRAY_REF's which are immediately
10148         used in binary expressions.
10149
10150 2007-01-21  Ira Rosen  <irar@il.ibm.com>
10151
10152         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
10153         read_write_dep and macros for its access.
10154         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
10155         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
10156         argument, call vect_check_interleaving for every independent pair of
10157         data-refs. Mark loads that access the same memory location as a store
10158         in the loop.
10159         (vect_check_dependences): Remove.
10160         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
10161         call, fix the call to vect_analyze_data_ref_dependence.
10162         (vect_analyze_data_ref_access): For statements that access the same
10163         data-ref, check that they are not stores; for loads, check that there
10164         is no store that access the same location.
10165
10166 2007-01-20  Roger Sayle  <roger@eyesopen.com>
10167             Joseph Myers  <joseph@codesourcery.com>
10168
10169         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
10170         (-fdump-rtl-stack): Likewise.
10171         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
10172         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
10173         (-mpt-fixed): Use @minus{} for minus sign.
10174         (Using Precompiled Headers): Fix under/overfull hbox.
10175
10176 2007-01-20  Jan Hubicka  <jh@suse.cz>
10177
10178         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
10179         place within annotation.
10180
10181 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10182
10183         * pa.c (output_move_double): Change array size of xoperands to 4.
10184
10185 2007-01-20  Jan Hubicka  <jh@suse.cz>
10186
10187         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
10188         as temporary.
10189
10190 2007-01-19  Ian Lance Taylor  <iant@google.com>
10191
10192         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
10193         constant to unsigned HOST_WIDE_INT before negating.
10194
10195 2007-01-19  Ian Lance Taylor  <iant@google.com>
10196
10197         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
10198         to unsigned.
10199         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
10200         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
10201         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
10202         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
10203         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
10204         (realloc_vdef, realloc_vuse): Change second parameter to
10205         unsigned.
10206         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
10207         fields to unsigned.
10208         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
10209         unsigned. Change x and lim locals to unsigned.
10210         (realloc_vdef, realloc_vuse): Change num_elem parameter to
10211         unsigned.
10212         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
10213         (copy_virtual_operands): Change i and n locals to unsigned.
10214
10215 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10216
10217         PR middle-end/29335
10218         * builtins.c (fold_builtin_1): Handle builtin fdim.
10219
10220 2007-01-20  Jan Hubicka  <jh@suse.cz>
10221
10222         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
10223         * tree-ssa-structalias.c (compute_points_to_sets): Do call
10224         init_alias_heapvars.
10225         (init_alias_heapvars): Initialize only when not already initialized.
10226         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
10227
10228 2007-01-19  Roger Sayle  <roger@eyesopen.com>
10229
10230         * common.opt (fsigned-zeros): New command line option.
10231         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
10232         of flag_unsafe_math_optimizations.
10233         * opts.c (set_fast_math_flags): The -ffast-math command line option
10234         implies -fno-signed-zeros.
10235         (fast_math_flags_set_p): Likewise.
10236
10237         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
10238         the documentation of -ffast-math appropriately.  Wrap long lines.
10239
10240 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
10241
10242         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
10243         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
10244
10245 2007-01-19  Tomas Bily  <tbily@suse.cz>
10246
10247         * cgraphunit.c (cgraph_finalize_function): Updating of pid
10248         * tree-profile.c:
10249         (tree_init_ic_make_global_vars): New function
10250         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
10251         (tree_gen_ic_profiler): New function
10252         (tree_gen_ic_func_profiler): New function
10253         (tree_profiling): Added calling of tree_gen_ic_func_profiler
10254         (tree_profile_hooks): Added hook for indirec/virtual calls
10255         * value-prof.c (tree_find_values_to_profile): New case for
10256         indirect calls
10257         (tree_values_to_profile): Call for determining indirect/virtual
10258         counters
10259         (tree_indirect_call_to_profile): New function
10260         (tree_ic_transform): New function
10261         (tree_ic): New function
10262         (find_func_by_pid): New function
10263         (init_pid_map): New function
10264         (tree_value_profile_transformations): Added check for
10265         indirect/virtual call transformation
10266         * value-prof.h (enum hist_type): New counter type for
10267         indirect/virtual calls
10268         (profile_hooks): Added new hook for profiling indirect/virtual
10269         calls
10270         * profile.c (instrument_values): New case for indirect/virtual
10271         call added
10272         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
10273         (GCOV_COUNTER_V_INDIR): New counter type
10274         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
10275         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
10276         call added
10277         * cgraph.c: Definition of cgraph_max_pid
10278         (cgraph_create_node): Default init of pid attribute
10279         * cgraph.h: Declaration of cgraph_max_pid
10280         (struct cgraph_node): Added pid attribute
10281         * libgcov.c (__gcov_indirect_call_profiler): New function
10282         (__gcov_one_value_profiler_body): New function
10283         (__gcov_one_value_profiler): Body was moved to
10284         __gcov_one_value_profiler_body and calls it
10285
10286 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
10287
10288         * doc/gty.texi (Options): Document the mark_hook option to GTY.
10289         * gengtype.c (write_types_data, write_func_for_structure,
10290         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
10291         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
10292         (walk_type, write_func_for_structure): Generate the mark_hook if
10293         needed.
10294
10295 2007-01-19  Jan Hubicka  <jh@suse.cz>
10296
10297         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
10298         'early' argument take inlining mode argument specifying whether to
10299         inline for size/speeed or all functions; add support for flattening;
10300         improve dumpting.
10301         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
10302
10303 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10304
10305         PR c++/17947
10306         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
10307         the name of the declared identifier.
10308
10309 2007-01-19  Dirk Mueller  <dmueller@suse.de>
10310
10311         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
10312         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
10313         duplicate evaluation.
10314
10315 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
10316
10317         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
10318         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
10319         to XFMode, use acosxf2 and truncate result to requested mode.
10320         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
10321         (asin<mode>2): Similarly, with asin expanders.
10322         (*fscalexf4_i387): Rename from *fscalexf4.
10323         (expNcorexf3): New expander.
10324         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
10325         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
10326         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
10327         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
10328         patterns for SSE math.
10329         (exp10<mode>2): Similarly, with exp10 expanders.
10330         (exp2<mode>2): Similarly, with exp2 expanders.
10331         (expm1<mode>2): Similarly, with expm1 expanders.
10332         (ldexp<mode>3): Similarly, with ldexp expanders.
10333         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
10334         Use gen_truncxf<mode>2_i387_noop to truncate result.
10335
10336 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10337
10338         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
10339         for ColdFire targets.
10340
10341 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
10342             Richard Sandiford  <richard@codesourcery.com>
10343
10344         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
10345         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
10346         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
10347         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
10348         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
10349         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
10350
10351 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10352
10353         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
10354         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
10355         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
10356         (*adddi_dilshr32_cf): New pattern.
10357         (adddi3, subdi3): Remove first alternatives.
10358
10359 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10360
10361         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
10362         implemented using move.l, do not use its cc result for floating-point
10363         comparisons.
10364
10365 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10366
10367         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
10368         from accepting 's' constraints if flag_pic.
10369
10370 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10371
10372         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
10373         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
10374         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
10375         condition from TARGET_68881 to TARGET_HARD_FLOAT.
10376
10377 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
10378
10379         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
10380         ColdFire alternatives.
10381         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
10382         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
10383         architectures that support ff1 instruction.
10384
10385 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10386             Julian Brown  <julian@codesourcery.com>
10387
10388         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
10389         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
10390         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
10391         Add commentary.
10392
10393 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10394
10395         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
10396         and return a bool.
10397         (output_move_const_into_data_reg, output_move_simode_const): Delete.
10398         * config/m68k/m68k.c (const_method, const_int_cost): Take a
10399         HOST_WIDE_INT instead of an rtx.
10400         (m68k_rtx_costs): Update call accordingly.
10401         (output_move_const_into_data_reg): Likewise.  Fix formatting.
10402         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
10403         Return a bool.
10404         (output_move_simode_const): Update calls after above changes.
10405         Rework to use automatic variables and predicates like MEM_P.
10406         * config/m68k/m68k.md (pushexthisi_const): Update call to
10407         valid_mov3q_const.
10408
10409 2007-01-19  Dirk Mueller  <dmueller@suse.de>
10410
10411         * tree-ssa-alias.c (perform_var_substitution): Fix typo
10412         in dump_flags test.
10413
10414 2007-01-19  Richard Guenther  <rguenther@suse.de>
10415
10416         * builtins.c (expand_builtin_cexpi): Fall back to expanding
10417         via cexp in case sincos is not available.
10418
10419 2007-01-19  Richard Guenther  <rguenther@suse.de>
10420
10421         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
10422         * defaults.h (TARGET_HAS_SINCOS): Default to off.
10423         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
10424         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
10425         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
10426         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
10427         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
10428         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
10429
10430 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
10431
10432         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
10433         New insn patterns.
10434         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
10435         (atan2xf3): Directly generate RTL pattern.
10436         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
10437         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
10438         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10439         disable patterns for SSE math.
10440         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
10441         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
10442         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10443         disable patterns for SSE math.
10444
10445 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
10446
10447         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
10448
10449 2007-01-18  Roger Sayle  <roger@eyesopen.com>
10450
10451         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
10452         VIEW_CONVERT_EXPR to the same type as it's operand.
10453
10454 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
10455
10456         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
10457         configured for long double 128.
10458
10459 2007-01-18  Mike Stump  <mrs@apple.com>
10460
10461         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
10462         error.
10463
10464 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
10465
10466         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
10467         type correct.
10468
10469 2007-01-18  Jan Hubicka  <jh@suse.cz>
10470
10471         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
10472         greater than NUM_VOP_FREE_BUCKETS.
10473
10474 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
10475
10476         * tree-ssa-structalias.c: Update comments.
10477         (ptabitmap_obstack): Removed.
10478         (pta_obstack): New.
10479         (oldpta_obstack): Ditto.
10480         (stats): Add a few members.
10481         (struct variable_info): Remove node, complex, address_taken, and
10482         indirect_target members. Add oldsolution member.
10483         (new_var_info): Do not initialize removed members.
10484         (constraint_expr_type): Remove INCLUDES.
10485         (constraint_graph): Add size, implicit_preds, rep,
10486         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
10487         (FIRST_REF_NODE): New macro.
10488         (LAST_REF_NODE): Ditto.
10489         (FIRST_ADDR_NODE): Ditto.
10490         (find): New function.
10491         (unite): Ditto.
10492         (dump_constraint): Do not handle INCLUDES.
10493         (insert_into_complex): Do not insert duplicate constraints.
10494         (condense_varmap_nodes): Renamed and rewritten into ...
10495         (merge_node_constraints): This. Also fix bug in handling of
10496         offseted copy constraints.
10497         (clear_edges_for_node): No longer need to deal with preds at all,
10498         or removing associated preds/succs.
10499         (merge_graph_nodes): Deal with indirect_cycles.
10500         Don't deal with predecessors.
10501         (add_implicit_graph_edge): New function.
10502         (add_pred_graph_edge): Ditto.
10503         (add_graph_edge): Don't deal with predecessors.
10504         (build_constraint_graph): Removed.
10505         (build_pred_graph): New function.
10506         (build_succ_graph): Ditto.
10507         (struct scc_info): Removed in_component. Added roots, dfs, and
10508         node_mapping. Remove visited_index, unification_queue.
10509         (scc_visit): Deal with union-find we do now.
10510         Deal with cycles with REF nodes.
10511         (collapse_nodes): Renamed and rewritten to ...
10512         (unify_nodes): This.
10513         (process_unification_queue): Removed.
10514         (topo_visit): Cleanup
10515         (do_da_constraint): Use find.
10516         (do_sd_constraint): Ditto.
10517         (do_ds_constraint): Ditto.
10518         (do_complex_constraint): Ditto.
10519         (init_scc_info): Update for removed and added members.
10520         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
10521         (find_indirect_cycles): This.
10522         (equivalence_class): New variable.
10523         (label_visit): New function.
10524         (perform_variable_substitution): Rewritten.
10525         (free_var_substitution_info): New function.
10526         (find_equivalent_node): Ditto.
10527         (move_complex_constraints): Ditto.
10528         (eliminate_indirect_cycles): Ditto.
10529         (solve_graph): Only propagate changed bits.
10530         Use indirect cycle elimination.
10531         Use find.
10532         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
10533         (tree_id_eq): Renamed to ...
10534         (tree_vi_eq): This. Update for member change
10535         (insert_id_for_tree): Renamed and rewritten to ...
10536         (insert_vi_for_tree): This.
10537         (lookup_id_for_tree): Renamed and rewritten to ...
10538         (lookup_vi_for_tree): This.
10539         (get_id_for_tree): Renamed and rewritten to ...
10540         (get_vi_for_tree): Ditto.
10541         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
10542         (process_constraint): Don't handle INCLUDES.
10543         Remove special ADDRESSOF case.
10544         (find_func_aliases): Rewrite to use vi functions instead of id
10545         ones.
10546         (create_function_info_for): Ditto.
10547         (create_variable_info_for): Ditto.
10548         (intra_create_variable_infos): Ditto.
10549         (merge_smts_into): Ditto.
10550         (find_what_p_points_to): Ditto.
10551         (init_base_vars): Ditto.
10552         (init_alias_vars): Ditto.
10553         (remove_preds_and_fake_succs): New function.
10554         (dump_sa_points_to_info): Dump new stats.
10555         (dump_solution_for_var): Use find.
10556         (set_used_smts): Fix formatting.
10557         (compute_points_to_sets): Updated for new functions.
10558         (ipa_pta_execute): Ditto.
10559
10560 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10561             Richard Sandiford  <richard@codesourcery.com>
10562
10563         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
10564         parallels.
10565         * calls.c (expand_call): If the return value is a PARALLEL,
10566         extract its first member.
10567         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
10568         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
10569         use FUNCTION_EXTRA_EPILOGUE.
10570         (m68k_function_value): Return a PARALLEL if the return value
10571         is of a pointer type.
10572         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
10573         (FUNCTION_EXTRA_EPILOGUE): Remove.
10574         * config/m68k/m68k.md (D0_REG): New constant.
10575
10576 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10577
10578         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
10579         output a NOP for empty epilogues.
10580
10581 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10582
10583         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
10584         before function.  Extend register save check to include all
10585         registers, not just integer ones.
10586
10587 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10588
10589         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
10590         (m68k_use_return_insn): ...this.
10591         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
10592         * config/m68k/m68k.c (use_return_insn): Rename to...
10593         (m68k_use_return_insn): ...this.
10594         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
10595         of USE_RETURN_INSN.
10596
10597 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10598
10599         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
10600         nearest even, fix denormal rounding overflow.
10601
10602 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10603
10604         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
10605         f%$smove and f%$move.
10606         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
10607         (extendsfdf2_cf): Use fdmove instead of f%&move.
10608         (truncdfsf2_cf): Use fsmove instead of f%$smove.
10609         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
10610
10611 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10612
10613         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
10614         GPR<-GPR moves.
10615
10616 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10617
10618         * real.h (real_format): Add a canonical_nan_lsbs_set field.
10619         (coldfire_single_format): Declare.
10620         (coldfire_double_format): Likewise.
10621         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
10622         of qnan_msb_set to determine the lower bits of a canonical
10623         NaN significand.
10624         (encode_ieee_double): Likewise.
10625         (encode_ieee_quad): Likewise.
10626         (ieee_single_format): Initialize canonical_nan_lsbs_set.
10627         (mips_single_format): Likewise.
10628         (ieee_double_format): Likewise.
10629         (mips_double_format): Likewise.
10630         (ieee_extended_motorola_format): Likewise.
10631         (ieee_extended_intel_96_format): Likewise.
10632         (ieee_extended_intel_128_format): Likewise.
10633         (ieee_extended_intel_96_round_53_format): Likewise.
10634         (ibm_extended_format): Likewise.
10635         (mips_extended_format): Likewise.
10636         (ieee_quad_format): Likewise.
10637         (mips_quad_format): Likewise.
10638         (vax_f_format): Likewise.
10639         (vax_d_format): Likewise.
10640         (vax_g_format): Likewise.
10641         (i370_single_format): Likewise.
10642         (i370_double_format): Likewise.
10643         (decimal_single_format): Likewise.
10644         (decimal_double_format): Likewise.
10645         (decimal_quad_format): Likewise.
10646         (c4x_single_format): Likewise.
10647         (c4x_extended_format): Likewise.
10648         (real_internal_format): Likewise.
10649         (coldfire_single_format): New real_format.
10650         (coldfire_double_format): Likewise.
10651         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
10652         canonical_nan_lsbs_set.
10653         (pdp11_d_format): Likewise.
10654         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
10655         if TARGET_COLDFIRE_CPU.
10656
10657 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10658
10659         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
10660         (output_call, m68k_legitimize_call_address): Declare.
10661         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
10662         parenthesees.  Add support for a 'W' constraint.
10663         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
10664         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
10665         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
10666         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
10667         variables.
10668         (override_options): Initialize them.  Do not set flag_no_function_cse
10669         for TARGET_ID_SHARED_LIBRARY.
10670         (m68k_output_pic_call): Delete.
10671         (m68k_legitimize_call_address): New function.
10672         (print_operand): Remove the %o prefix.  Handle the %p prefix.
10673         (output_call): New function.
10674         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
10675         target address from the GOT if symbolic jumps are not allowed.
10676         * config/m68k/m68k.md (call, general_operand): Do not set
10677         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
10678         Merge separate flag_pic and !flag_pic define_insns into...
10679         (*call, *call_value): ...these new patterns.  Match the address
10680         rather than the containing MEM and require it to be a call_operand.
10681         Use output_call to generate the asm template.
10682         * config/m68k/predicates.md (const_call_operand): New predicate.
10683         (call_operand): Likewise.
10684
10685 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10686
10687         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
10688         (STACK_GROWS_DOWNWARD): Define to 1.
10689         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
10690         comments, emphasizing that these values are only defaults.
10691         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
10692         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
10693
10694 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10695
10696         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
10697
10698 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10699             Richard Sandiford  <richard@codesourcery.com>
10700
10701         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
10702         (FP_REGNO_P): New macros.
10703         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
10704         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
10705         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
10706         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
10707
10708 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10709
10710         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10711         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
10712         to $tmake_file.
10713         * config/m68k/t-floatlib: New file, extracting common code from...
10714         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
10715         * config/m68k/t-uclinux: Here.
10716         * config/m68k/fpgnulib.c: Do not compile extendeed precision
10717         routines on ColdFire targets.
10718
10719 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10720
10721         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10722         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
10723         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
10724         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
10725         explicitly set MOTOROLA to 1.
10726         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
10727
10728 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10729             Nathan Sidwell  <nathan@codesourcery.com>
10730
10731         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
10732         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
10733         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
10734         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
10735         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
10736         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
10737         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
10738         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
10739         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
10740         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
10741         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
10742         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
10743         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
10744         (DBX_REGISTER_NUMBER): Delete.
10745         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
10746         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
10747         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
10748
10749 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10750
10751         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
10752         * config/flat.h: New file.
10753         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
10754         OBJECT_FORMAT_FLAT.
10755         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
10756         indirect references for -msep-data or -mid-shared-library.
10757         Do not use PC-relative code addresses either.
10758         * config/m68k/m68k.c (override_options): Restrict -fPIC error
10759         to -mpcrel.
10760         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
10761         for shared libraries and crt1.o for executables.  Use crti.o and
10762         crtbegin.o.
10763         (ENDFILE_SPEC): Use crtend.o and crtn.o.
10764         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
10765         Do not add -elf2flt or -shared-lib-id options here.
10766         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
10767         Pass -shared-lib-id if -mid-shared-library, taking the library
10768         identifier from -mshared-library-id if given, otherwise
10769         defaulting to 0.
10770         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
10771         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
10772         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
10773         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
10774         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
10775         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
10776         and crtend.o.
10777         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
10778         jump sequence for ISA A and ISA A+.
10779         (PICJUMP): Likewise.
10780
10781 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10782
10783         * config.gcc (m68k-*-uclinux*): Base the port on the common
10784         and m68k GNU/Linux files rather than on the generic ELF ones.
10785         * config/m68k/uclinux.h (TARGET_VERSION): Override.
10786         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
10787
10788 2007-01-18  Julian Brown  <julian@codesourcery.com>
10789             Richard Sandiford  <richard@codesourcery.com>
10790
10791         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
10792         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
10793         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
10794         before redefining.
10795         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
10796         80 unconditionally.
10797         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
10798
10799 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10800
10801         * doc/install.texi: Document m68k-uclinuxoldabi.
10802         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
10803         * config/m68k/uclinux-oldabi.h: New file, copied from
10804         config/m68k/uclinux.h.
10805
10806 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
10807
10808         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
10809         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
10810         (m32r_compute_frame_size): Use unsigned for regno.
10811         (m32r_reload_lr): Use gen_frame_mem.
10812         (pop): New.
10813         (m32r_output_function_epilogue): Don't output the function epilogue
10814         textually here.
10815         (m32r_expand_epilogue): New.
10816         (direct_return): Return false if the function has the interrupt
10817         attribute.
10818         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
10819         * config/m32r/m32r.md (epilogue): New expander.
10820         (return_lr, return_rte): New insns.
10821         (return): Make it expander.
10822         (return_normal): New expander.
10823
10824 2007-01-18  Josh Conner  <jconner@apple.com>
10825
10826         PR target/30485
10827         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
10828         support for UNLE, UNLT, UNGE, and UNGT.
10829
10830 2007-01-18  Jan Hubicka  <jh@suse.cz>
10831
10832         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
10833         * tree-tailcall (add_virtual_phis): Likewise.
10834         (optimize_tail_call): Return TODOs.
10835         (execute_tail_calls): Return TODOs.
10836         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
10837         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
10838         changed.
10839         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
10840         Cleanup cfg using TODO.
10841         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
10842         * passes.c (execute_function_todo): When cleanup did something, remove
10843         unused locals.
10844         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
10845         (make_edges): Don't cleanup_cfg.
10846
10847 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
10848
10849         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
10850         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
10851         operate on the top of stack.
10852         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
10853         register handling of instructions that output to the second
10854         stack slot.
10855         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
10856         (move_for_stack_reg): Special-case check for dead destination
10857         stack slot for constant load of 1.0 inside UNSPEC_TAN.
10858
10859         * config/i386/i386.md (UNSPEC_TAN): New constant.
10860         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
10861         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
10862         to correctly model move of constant 1.0 to top stack slot.
10863         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
10864         (unnamed peephole2 pattern): Remove corresponding peephole2
10865         pattern that optimizes tan insn and loading of constant 1.0.
10866         (tanxf2): Use fptanxf4_i387.
10867         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
10868         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
10869         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10870         disable patterns for SSE math.
10871         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
10872         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
10873
10874 2007-01-18  Dirk Mueller  <dmueller@suse.de>
10875             Richard Guenther <rguenther@suse.de>
10876
10877         PR diagnostic/8268
10878         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
10879         * common.opt (Warray-bounds): Add new warning option.
10880         * c-opts.c (c_common_handle_option): Define -Warray-bounds
10881         if -Wall is given.
10882         * Makefile.in: make tree-vrp.o depend on toplev.h
10883         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
10884         is enabled.
10885         (check_array_refs, check_array_bounds, check_array_ref): New.
10886
10887 2007-01-18  Jan Hubicka  <jh@suse.cz>
10888
10889         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
10890         (execute_ssa_ccp): Return flags conditionally.
10891         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
10892         changed.
10893         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
10894
10895 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
10896
10897         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
10898         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
10899
10900         * Makefile.c (GTFILES): Add cfglayout.h.
10901         * gengtype.c (open_base_files): Likewise.
10902         * cfglayout.c (cfg_layout_function_footer,
10903         cfg_layout_function_header) Reindent to make gengtype happy.
10904         * cfglayout.h (cfg_layout_function_footer,
10905         cfg_layout_function_header): Add GTY(()) marker.
10906
10907         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
10908
10909 2007-01-18  Ben Elliston  <bje@au.ibm.com>
10910
10911         * genautomata.c (write_automata): Include xstrerror output in the
10912         error message if writing the DFA description file fails.
10913
10914 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
10915
10916         * config/mips/mips-protos.h (mips_output_external): Make it
10917         return void.
10918         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
10919         * config/mips/mips.c (irix_output_external_libcall): Likewise.
10920         (extern_list): Likewise.
10921         (extern_head): Likewise.
10922         (TARGET_ASM_FILE_END): Likewise.
10923         (mips_file_end): Likewise.
10924         (mips_output_external): Rewritten.
10925
10926 2007-01-18  Ben Elliston  <bje@au.ibm.com>
10927
10928         * genpreds.c (write_insn_preds_c): Only write out the function
10929         body for regclass_for_constraint if we have register constraints.
10930
10931 2007-01-17  Tom Tromey  <tromey@redhat.com>
10932
10933         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
10934         * doc/install.texi (Testing): Use sourceware.org.
10935         (Binaries): Likewise.
10936         (Specific): Likewise.
10937         * doc/contrib.texi (Contributors): Use sourceware.org.
10938
10939 2007-01-17  Anatoly Sokolov <aesok@post.ru>
10940
10941         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
10942         (AVR_ENHANCED): Rename to ...
10943         (AVR_HAVE_MUL): ... new.
10944         (avr_enhanced_p): Rename to ...
10945         (avr_have_mul_p): ... new.
10946         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
10947         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
10948         * config/avr/avr.c (avr_enhanced_p): Rename to ...
10949         (avr_have_mul_p): ... new.
10950         (base_arch_s): Rename 'enhanced' to 'have_mul'.
10951         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
10952         'avr_enhanced_p' and 'enhanced'.
10953         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
10954         AVR_HAVE_MUL instead of AVR_ENHANCED.
10955         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
10956         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
10957         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
10958         instead of AVR_ENHANCED.
10959         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
10960         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
10961         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
10962
10963 2007-01-17  Ian Lance Taylor  <iant@google.com>
10964
10965         * vec.h (VEC_reserve_exact): Define.
10966         (vec_gc_p_reserve_exact): Declare.
10967         (vec_gc_o_reserve_exact): Declare.
10968         (vec_heap_p_reserve_exact): Declare.
10969         (vec_heap_o_reserve_exact): Declare.
10970         (VEC_OP (T,A,reserve_exact)): New static inline function, three
10971         versions.
10972         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
10973         negative parameter.
10974         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
10975         (VEC_OP (T,A,copy)) [all versions]: Likewise.
10976         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
10977         * vec.c (calculate_allocation): Add exact parameter.  Change all
10978         callers.
10979         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
10980         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
10981         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
10982         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
10983         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
10984         (vec_heap_p_reserve_exact): New function.
10985         (vec_heap_o_reserve_exact): New function.
10986
10987 2007-01-17  Jan Hubicka  <jh@suse.cz>
10988
10989         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
10990
10991 2007-01-17  Eric Christopher  <echristo@apple.com>
10992
10993         * config.gcc: Support core2 processor.
10994
10995 2007-01-16  Jan Hubicka  <jh@suse.cz>
10996
10997         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
10998         the names, just unlink the chain so we don't crash on dangling pointers
10999         to dead SSA names.
11000
11001 2007-01-16  Jan Hubicka  <jh@suse.cz>
11002
11003         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
11004         * tree-pass.h: Reorder to make IPA passes appear toegher.
11005         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
11006         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
11007         parameters, do not call early inliner.
11008         * ipa-inline.c: Update comments.  Include tree-flow.h
11009         (cgraph_decide_inlining): Do not compute inlining parameters.
11010         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
11011         be called with function context set up.
11012         (pass_ipa_inline): Remove unreachable functions before pass.
11013         (cgraph_early_inlining): Simplify assuming to be called from the
11014         PM as local pass.
11015         (pass_early_inline): New pass.
11016         (cgraph_gate_ipa_early_inlining): New gate.
11017         (pass_ipa_early_inline): Turn into simple wrapper.
11018         (compute_inline_parameters): New function.
11019         (gate_inline_passes): New gate.
11020         (pass_inline_parameters): New pass.
11021         (apply_inline): Move here from tree-optimize.c
11022         (pass_apply_inline): New pass.
11023         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
11024         transforming.
11025         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
11026         doing them by hand.
11027         (tree_function_versioning): Do not allocate dummy struct function.
11028         * tree-inline.h (optimize_inline_calls): Update prototype.
11029         * tree-optimize.c (execute_fixup_cfg): Export.
11030         (pass_fixup_cfg): Remove
11031         (tree_rest_of_compilation): Do not apply inlines.
11032         * tree-flow.h (execute_fixup_cfg): Declare.
11033         * Makefile.in (gt-passes.c): New.
11034         * passes.c: Include gt-passes.h
11035         (init_optimization_passes): New passes.
11036         (nnodes, order): New static vars.
11037         (do_per_function_toporder): New function.
11038         (execute_one_pass): Dump current pass here.
11039         (execute_ipa_pass_list): Don't dump current pass here.
11040
11041 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
11042
11043         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
11044         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
11045
11046 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
11047
11048         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
11049         (strong_alias): Define.
11050         (__gcc_qmul): Provide non-FMA for soft-float.
11051         (__gcc_qdiv): Same.
11052         (__gcc_qneg): New.
11053         (__gcc_qeq): New.
11054         (__gcc_qle): New.
11055         (__gcc_qge): New.
11056         (__gcc_qunord): New.
11057         (__gcc_stoq): New.
11058         (__gcc_dtoq): New.
11059         (__gcc_qtos): New.
11060         (__gcc_qtod): New.
11061         (__gcc_qtoi): New.
11062         (__gcc_qtou): New.
11063         (__gcc_itoq): New.
11064         (__gcc_utoq): New.
11065         (fmsub): New.
11066         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
11067         soft-float functions.
11068         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
11069         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
11070         about long double soft float.
11071
11072 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
11073             Tehila Meyzels  <tehila@il.ibm.com>
11074
11075         * tree-vectorizer.h (is_pattern_stmt_p): New.
11076         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
11077         formatting (tabs instead of spaces). Cleanup and clarify setting
11078         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
11079         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
11080         (vectorizable_type_demotion): Check that types are integral.
11081         (vectorizable_type_promotion): Likewise.
11082         (vectorizable_store): Fix typo.  Eliminate new-line at end of
11083         comments.
11084
11085 2007-01-16  Jan Hubicka  <jh@suse.cz>
11086
11087         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
11088         cgraph edges too.
11089
11090 2007-01-15  Eric Christopher  <echristo@apple.com>
11091
11092         * ifcvt.c: Include vec.h, vecprim.h.
11093         (check_cond_move_block): New argument regs.
11094         Reorganize. Add registers used to regs.
11095         (cond_move_process_if_block): Use regs set above as
11096         loop bounds.
11097
11098 2007-01-15  Eric Christopher  <echristo@apple.com>
11099
11100         * config/darwin.h: Update copyright.
11101         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
11102         (LINK_COMMAND_SPEC): Add -u.
11103         (LINK_SPEC): Fix umbrella for above.
11104
11105 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
11106
11107         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
11108         glibc CVS.
11109
11110 2007-01-15  Tom Tromey  <tromey@redhat.com>
11111
11112         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
11113         * doc/install.texi (Testing): Don't mention jacks.
11114         (Configuration): Document --enable-java-maintainer-mode.  Move
11115         --with-java-home to libgcj-specific section.  Document
11116         --with-ecj-jar.
11117         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
11118
11119 2007-01-15  Jan Hubicka  <jh@suse.cz>
11120
11121         * tree-ssa-dce.c (DCE_TODOs): New.
11122         (propagate_necessity): Return if something changed.
11123         (eliminate_unnecessary_stmts): Likewise.
11124         (perform_tree_ssa_dce): Return TODO flags when needed.
11125         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
11126
11127 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
11128
11129         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
11130         (fyl2x_extend<mode>xf3_i387): New insn pattern.
11131         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
11132         patterns using X87MODEF12 mode macro.  Extend operand 1
11133         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
11134         (log10<mode>2): Ditto.
11135         (log2<mode>2): Ditto.
11136         (log1p<mode>2): Ditto.
11137         (logb<mode>2): Ditto.
11138         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
11139         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
11140         (*fxtractxf3_i387): Rename from *fxtractxf3.
11141         (fxtract_extend<mode>xf3_i387): New insn pattern.
11142         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
11143         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
11144         and gen_fyl2xxf3_i387().
11145
11146 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
11147
11148         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
11149         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
11150         get_loop_exit_edges.  Changed return type to bool.
11151         * cfgloop.h (fix_loop_placement): Declaration removed.
11152
11153 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
11154
11155         * param.h (MIN_VECT_LOOP_BOUND): New.
11156         * params.def (MIN_VECT_LOOP_BOUND): New.
11157         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
11158         argument - minimum threshold for number of iterations.
11159         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
11160         argument to declaration.
11161         * tree-vect-analyze.c (vect_analyze_operations): Check value of
11162         MIN_VECT_LOOP_BOUND.
11163         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
11164         slpeel_tree_peel_loop_to_edge with additional argument.
11165         (vect_do_peeling_for_alignment): Likewise.
11166         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
11167
11168 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
11169
11170         PR target/30413
11171         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
11172         operands of size 1.
11173
11174 2007-01-14  Jan Hubicka  <jh@suse.cz>
11175
11176         * tree-dfa.c (remove_referenced_var): New function.
11177         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
11178         prune referenced vars list too.
11179         * tree-flow.h (remove_referenced_var): Declare.
11180
11181 2007-01-14  Jan Hubicka  <jh@suse.cz>
11182
11183         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
11184         separately.
11185         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
11186         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
11187         * except.h (verify_eh_throw_table_statements): Kill prototype.
11188         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
11189         into call exrepssions.
11190         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
11191         eh trhow verifier.
11192         * tree-cfg.c: Include pointer-set.h.
11193         (verify_node_sharing): Work on pointer set.
11194         (verify_eh_throw_stmt_node): New.
11195         (verify_stmts): Use pointers sets, verify throw_stmt.
11196
11197 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
11198
11199         * ipa-reference.c (analyze_function): Consider also addresses taken
11200         in phi nodes.
11201
11202 2007-01-12  Roger Sayle  <roger@eyesopen.com>
11203
11204         * c-typeck.c (null_pointer_constant_p): Replace use of
11205         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11206         (build_c_cast): Likewise.
11207
11208 2007-01-12  Roger Sayle  <roger@eyesopen.com>
11209
11210         * tree.h (force_fit_type_double): Remove unused final argument.
11211         * c-common.c (constant_expression_warning): Replace use of
11212         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11213         (convert_and_check): Likewise.
11214         (shorten_compare): Update call to force_fit_type_double.
11215         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
11216         * convert.c (convert_to_pointer): Update call to
11217         force_fit_type_double.
11218         * fold-const.c (force_fit_type_double): Remove overflowed_const
11219         argument.
11220         (int_const_binop, fold_convert_const_int_from_int,
11221         fold_convert_const_int_from_real, fold_div_compare,
11222         fold_sign_changed_comparison, fold_unary, fold_negate_const,
11223         fold_abs_const, fold_not_const): Remove the final argument from
11224         calls to force_fit_type_double.
11225
11226 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11227
11228         * configure.ac: Set insn to "nop" for spu-*-* also.
11229         * configure: Regenerate.
11230
11231 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
11232
11233         * builtins.def : Add BUILT_IN_FREE.
11234
11235 2007-01-12  Jan Hubicka  <jh@suse.cz>
11236
11237         PR tree-optimization/30443
11238         * tree-inline.c (tree_function_versioning): Do not optimize when
11239         cloning for inlining.
11240
11241 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
11242
11243         * doc/loop.texi: Document recording of loop exits.
11244         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
11245         (update_single_exits_after_duplication,
11246         update_single_exit_for_duplicated_loop,
11247         update_single_exit_for_duplicated_loops): Removed.
11248         (duplicate_loop_to_header_edge): Do not call
11249         update_single_exits_after_duplication and
11250         update_single_exit_for_duplicated_loops.
11251         (loop_version): Do not update single_exit information.
11252         (fix_loop_structure): Use record_loop_exits instead of
11253         mark_single_exit_loops.
11254         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
11255         the lists of loop exits.
11256         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
11257         split_edge, merge_blocks): Update the lists of loop exits.
11258         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
11259         loop_optimizer_init.
11260         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
11261         of mark_single_exit_loops.
11262         (loop_optimizer_finalize): Call release_recorded_exits.
11263         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
11264         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
11265         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
11266         update single exit information.
11267         * lambda-code.c (perfect_nestify): Ditto.
11268         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
11269         (mark_single_exit_loops): Removed.
11270         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
11271         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
11272         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
11273         functions.
11274         (get_loop_exit_edges, single_exit): Use recorded exit lists.
11275         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
11276         (verify_loop_structure): Verify consistency of the exit lists.
11277         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
11278         (set_single_exit): Removed.
11279         * cfgloop.h (struct loop_exit): New function.
11280         (struct loop): single_exit_ field replaced by exits field.
11281         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
11282         (struct loops): Added exits hash.
11283         (mark_single_exit_loops, set_single_exit): Declaration removed.
11284         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
11285
11286 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11287
11288         * doc/invoke.texi: Avoid use of @headitem.
11289
11290 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11291
11292         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
11293
11294 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11295
11296         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
11297         list of targets.
11298
11299 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11300             Richard Sandiford  <richard@codesourcery.com>
11301
11302         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
11303         * config/m68k/m68k.opt: Resort options.
11304         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
11305
11306 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11307             Richard Sandiford  <richard@codesourcery.com>
11308
11309         * doc/invoke.texi: Document the macros that are defined by
11310         m68k's -mtune and -mhard-float options.
11311         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
11312         (m68k_cpp_cpu_family): Likewise.
11313         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
11314         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
11315         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
11316         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
11317         (m68k_cpp_cpu_family): Likewise.
11318
11319 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11320
11321         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
11322         macros besides mc68000 as tuning macros.  Use a switch statement
11323         to set them and mcpu32.
11324
11325 2007-01-12  Julian Brown  <julian@codesourcery.com>
11326
11327         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
11328         (TARGET_68040_ONLY): Rename to...
11329         (TARGET_68040): ...this.
11330         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
11331         * config/m68k/m68k.md: Likewise.
11332
11333 2007-01-12  Julian Brown  <julian@codesourcery.com>
11334             Nathan Sidwell  <nathan@codesourcery.com>
11335             Richard Sandiford  <richard@codesourcery.com>
11336
11337         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
11338         the -mcpu= argument associated with the --with-cpu setting.
11339         Define M68K_DEFAULT_TUNE to the default -mtune= option,
11340         if different from the one implied by the -mcpu setting.
11341         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
11342         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
11343         * doc/invoke.texi: Mention ColdFire in the introduction to the
11344         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
11345         -mno-div and -mhard-float options.  Make -m68881 a synonym for
11346         -mhard-float.  Document the previously-undocumented -m5206e,
11347         -m528x, -m5307 and -m5407 options.  Tweak the existing option
11348         documentation for consistency.
11349         * doc/install.texi: Mention new --with-cpu arguments.
11350         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
11351         default CPU if neither -mcpu nor -march are specified.
11352         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
11353         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
11354         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
11355         using m68k_tune to decide between families that implement the
11356         same ISA.  Use m68k_tune to set __mcfv4e__.
11357         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
11358         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
11359         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
11360         (FL_ISA_C, FL_ISA_MMU): New macros.
11361         (MASK_COLDFIRE): Delete.
11362         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
11363         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
11364         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
11365         (TARGET_HARD_FLOAT): Do not define here.
11366         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
11367         (TUNE_68000): New macro.
11368         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
11369         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
11370         (TUNE_CFV2): Redefine in terms of m68k_tune.
11371         (uarch_type, target_device, fpu_type): New enums.
11372         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
11373         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
11374         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
11375         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
11376         (FL_FOR_isa_c): New macros.
11377         (m68k_isa): New enum.
11378         (m68k_target_selection): New structure.
11379         (all_devices, all_isas, all_microarchs): New tables.
11380         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
11381         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
11382         (MASK_ALL_CPU_BITS): Delete.
11383         (m68k_find_selection): New function.
11384         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
11385         Map the legacy target options to a combination of the new ones.
11386         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
11387         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
11388         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
11389         settings.
11390         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
11391         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
11392         properties.
11393         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
11394         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
11395         * config/m68k/m68k-devices.def: New file.
11396
11397 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11398             Nathan Sidwell  <nathan@codesourcery.com>
11399
11400         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
11401         (SUBTARGET_EXTRA_SPECS): New macros.
11402         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
11403         use %(asm_cpu_spec) instead.
11404         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
11405         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
11406         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
11407         (EXTRA_SPECS): Rename to...
11408         (SUBTARGET_EXTRA_SPECS): ...this.
11409
11410 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11411             Richard Sandiford  <richard@codesourcery.com>
11412             Julian Brown  <julian@codesourcery.com>
11413
11414         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
11415         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
11416         to the configuration's default CPU.
11417         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
11418         Remove default masks.
11419         (m680[012]0-*-*): Set the default with_cpu to the first part of
11420         the target name.
11421         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
11422         (m68k*-*-linux): Extend the --with-cpu handling to...
11423         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
11424         and m68010.  Don't set target_cpu_default2.
11425         * doc/install.texi: Document --with-cpu for m68k.
11426         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
11427         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
11428         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
11429         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
11430         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
11431         (ASM_SPEC): Remove use of %(asm_cpu_default).
11432         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
11433         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
11434         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
11435         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
11436         __HAVE_FPU__ if TARGET_HARD_FLOAT.
11437         (TARGET_DEFAULT): Delete.
11438         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
11439         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
11440         (CPP_CPU_SPEC): Delete.
11441         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
11442         the appropriate string.
11443         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
11444         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
11445         (ASM_SPEC): Don't use %(asm_default_spec).
11446         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11447         TARGET_DEFAULT and add MASK_68881.
11448         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
11449
11450 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11451
11452         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
11453         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
11454         MASK_68010 alongside MASK_68020.
11455         * doc/invoke.texi: Document -m68010.
11456         * config/m68k/m68k.opt (m68010): New.
11457         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
11458         if TUNE_68010.
11459         (TUNE_68010): New macro.
11460         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
11461         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
11462         (M68K_CPU_m68332): Add MASK_68010.
11463         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
11464         fallback definition.
11465         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
11466         defines.
11467         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
11468         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
11469         to all entries that use MASK_68020.
11470         (output_move_simode_const, output_move_himode, output_move_qimode)
11471         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
11472         instead of TARGET_68020 to select clr behavior.  Remove comment
11473         about there being no TARGET_68010.
11474         * config/m68k/m68k.md: Likewise throughout.
11475
11476 2007-01-12  Julian Brown  <julian@codesourcery.com>
11477
11478         * config/m68k/m68k.h (TARGET_ISAB): New macro.
11479         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
11480         * config/m68k/m68k.md: Likewise.
11481
11482 2007-01-12  Julian Brown  <julian@codesourcery.com>
11483
11484         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
11485         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
11486
11487 2007-01-12  Julian Brown  <julian@codesourcery.com>
11488
11489         * config/m68k/m68k.h (TUNE_68040_60): New macro.
11490         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
11491         * config/m68k/m68k.md: Likewise.
11492
11493 2007-01-12  Julian Brown  <julian@codesourcery.com>
11494             Richard Sandiford  <richard@codesourcery.com>
11495
11496         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
11497         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
11498         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
11499         TARGET_CPU32.
11500         (TARGET_CPU32): Rename to...
11501         (TUNE_CPU32): ...this.
11502         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
11503         (TUNE_CFV2): New macros.
11504         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
11505         remove conditions that are implied by TARGET_68020.
11506         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
11507         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
11508         (m68k_output_function_epilogue): Likewise.
11509         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
11510         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
11511         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
11512         non-68000 timings.  Refactor multiplication and division costs.
11513         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
11514         TUNE_CPU32 instead of TARGET_CPU32.
11515         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
11516         and TUNE_68060 instead of TARGET_68060.
11517         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
11518         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
11519         TARGET_CPU32.
11520         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
11521         && !TARGET_COLDFIRE" to choose between moveq and clr.
11522         Likewise in the unnamed movsf pattern.
11523         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
11524         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
11525         ashiftrt pattern.
11526
11527 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11528
11529         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
11530         of tabbing before backslashes.
11531
11532 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11533
11534         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
11535         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
11536         (ASM_OUTPUT_INTERNAL_LABEL): Define.
11537
11538 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
11539
11540         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
11541         find_interesting_uses_cond.
11542         (find_interesting_uses_cond): Use extract_cond_operands.
11543         (rewrite_use_compare): Use extract_cond_operands and
11544         force_gimple_operand_bsi.  Do not call update_stmt.
11545         (determine_use_iv_cost_condition): Use extract_cond_operands.
11546         Return cheaper of using original bound and changing the exit bound.
11547
11548 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
11549
11550         PR tree-optimization/29516
11551         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
11552         most_expensive_mult_to_index, addr_to_parts,
11553         create_mem_ref, maybe_fold_tmr): Make the type of
11554         fields of TARGET_MEM_REF sizetype.
11555         (move_fixed_address_to_symbol, move_pointer_to_base):
11556         New functions.
11557         * tree.def (TARGET_MEM_REF): Add comment on types of
11558         the operands.
11559
11560 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
11561
11562         * c-common.c (vector_types_convertible_p): Treat opaque types as
11563         always convertible if they have the same size, but not otherwise.
11564
11565 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
11566
11567         * ifcvt.c (struct noce_if_info): Add comments to the fields.
11568         Remove the b_unconditional field.
11569         (noce_try_sign_mask): Do not look at b_unconditional.
11570         (noce_process_if_block): Do not use merge_if_blocks.  Update
11571         the CFG here.  Do not set b_unconditional.
11572         (cond_move_process_if_block): Likewise.
11573         (find_cond_trap): Likewise.
11574         (check_cond_move_block): Require simple jump insns at the end
11575         of the basic block.
11576
11577 2007-01-11  Jan Hubicka  <jh@suse.cz>
11578
11579         PR tree-optimization/1046
11580         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
11581         when alias info is not ready.
11582         (pass_tail_recursion): Do not require aliasing.
11583         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
11584         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
11585         * tree-ssa-copy.c (pass_copy_prop): Likewise.
11586         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
11587         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
11588         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
11589         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
11590         before inlining.
11591         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
11592         When aliasing is not build, mark statement as volatile.
11593
11594 2007-01-11  Tom Tromey  <tromey@redhat.com>
11595
11596         PR preprocessor/15185, PR preprocessor/20989:
11597         * doc/cppopts.texi <-MT>: Update description of algorithm for
11598         computing default target.
11599         <-M, -MD>: Reword "basename" text.
11600
11601 2007-01-11  Roger Sayle  <roger@eyesopen.com>
11602
11603         * builtins.c (expand_builtin_pow, expand_builtin_powi,
11604         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
11605         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
11606         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
11607         fold_builtin_bswap, real_constp, fold_builtin_pow,
11608         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
11609         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
11610         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11611         * convert.c (convert_to_pointer): Likewise.
11612         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
11613         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
11614         const_binop, fold_convert_const_int_from_int,
11615         fold_convert_const_int_from_real,
11616         fold_convert_const_real_from_real, sign_bit_p,
11617         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
11618         fold_sign_changed_comparison, fold_unary, fold_comparison,
11619         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
11620         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
11621         * print-tree.c (print_node_brief, print_node): Likewise.
11622         * stor-layout.c (place_field, layout_type): Likewise.
11623         * tree-chrec.c (keep_cast): Likewise.
11624         * tree.c (build_vector, build_real, build_real_from_int_cst,
11625         build_complex): Likewise.
11626
11627 2007-01-11  Roger Sayle  <roger@eyesopen.com>
11628
11629         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
11630         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
11631
11632 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
11633
11634         * configure.ac (strict1_warn): Rename to strict_warn.
11635         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
11636         cc_set_by_configure, quoted_cc_set_by_configure,
11637         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
11638         all_boot_languages, all_stagestuff): Remove.
11639         (target_list): Remove bootstrap targets.
11640         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
11641         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
11642         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
11643         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
11644         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
11645         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
11646         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
11647         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
11648         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
11649         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
11650         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
11651         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
11652         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
11653         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
11654         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
11655         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
11656         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
11657         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
11658         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
11659         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
11660         (mostlyclean): Adjust.
11661         (clean, distclean): Don't mention bootstrap stuff.
11662         * configure: Regenerate.
11663         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
11664         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
11665         treelang/config-lang.in (stagestuff): Remove.
11666         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
11667         stageprofile, stagefeedback, stagestuff): Remove mention.
11668
11669 2007-01-11  Nick Clifton  <nickc@redhat.com>
11670
11671         * config/mcore/predicates.md (mcore_general_movesrc_operand):
11672         Accept CONSTs.
11673         (mcore_general_movdst_operand): Do not accept CONST_INTs.
11674         (mcore_arith_K_S_operand): Run the test for the S constraint not
11675         the test for the M constraint.
11676         (mcore_addsub_operand): Do not accept integer values that are
11677         larger than 32 bits.
11678         * config/mcore/mcore.md: Remove unused constraints from split.
11679         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
11680         (addsi3): Likewise.
11681         (allocate_stack): Likewise.
11682         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
11683         operands to 32 bits.
11684         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
11685         INTVAL.
11686         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
11687         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
11688         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
11689         mcore_output_bclri, mcore_output_andn, output_inline_const,
11690         mcore_output_move, mcore_output_movedouble): Likewise.
11691         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
11692         (output_inline_const): Likewise.
11693         (output_inline_const): Fix format strings used in sprintf
11694         statements.
11695         * config/mcore/mcore-protos.h: Update prototypes for changed
11696         functions in mcore.c.
11697         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
11698         HOST_WIDE_INT and not int.
11699         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
11700         CONST_OK_FOR_N): Likewise.
11701         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
11702         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
11703         an INTVAL.
11704
11705 2007-01-10  Jan Hubicka  <jh@suse.cz>
11706
11707         * tree-vrp.c (remove_range_assertions): Release defs.
11708         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
11709         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
11710
11711 2007-01-10  Paul Brook  <paul@codesourcery.com>
11712
11713         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
11714         * config/arm/arm.md (mulsi3subsi): New insn.
11715
11716 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
11717
11718         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
11719         (tree_transform_and_unroll_loop): New.
11720         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
11721         Declare.
11722
11723 2007-01-10  Robert Kennedy <jimbob@google.com>
11724
11725         * fold-const.c (fold_comparison): Fold comparisons like (x *
11726         1000 < 0) to (x < 0).
11727
11728 2007-01-10  Ian Lance Taylor  <iant@google.com>
11729
11730         * tree-pretty-print.c (dump_generic_node): Print parentheses when
11731         operands have the same priority.
11732
11733 2007-01-10  Tom Tromey  <tromey@redhat.com>
11734
11735         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
11736         (fold_binary): Likewise.
11737         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
11738         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
11739         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
11740         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
11741         * langhooks.h (struct lang_hooks): Removed field
11742         'can_use_bit_fields_p'.
11743
11744 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
11745
11746         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
11747
11748 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
11749
11750         * function.c (get_last_funcdef_no): New function.
11751         * function.h (get_last_funcdef_no): Declare.
11752         * tree-inline.c (initialize_cfun): Add initialization.
11753         (tree_function_versioning): Cleanup.
11754
11755 2007-01-10  Jan Hubicka  <jh@suse.cz>
11756
11757         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
11758         PHIs.
11759
11760 2007-01-10  Sa Liu  <saliu@de.ibm.com>
11761             Ben Elliston  <bje@au.ibm.com>
11762
11763         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
11764         for SAVE_NONLOCAL and Pmode for any other save level.
11765         * spu-protos.h (spu_restore_stack_block): Declare.
11766         * spu.md (save_stack_block): Remove.
11767         (restore_stack_block): Call spu_restore_stack_block.
11768         * spu.c (spu_restore_stack_block): New function.
11769         (spu_expand_epilogue): Remove old comment.
11770
11771 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
11772
11773         PR tree-optimization/30322
11774         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
11775         (cand_value_at): Return the value as aff_tree.
11776         (may_eliminate_iv): Convert the bound from aff_tree to tree.
11777         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
11778         aff_combination_mult): New functions.
11779         (aff_combination_add): Use aff_combination_add_cst.
11780         (aff_combination_convert): Allow conversions to a wider type.
11781         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
11782         * tree-affine.h (aff_combination_mult): Declare.
11783
11784 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
11785
11786         * doc/tm.texi: Update documentation to reflect reality of exec
11787         and start file search behaviours. Update copyright year.
11788         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
11789         header file directories.
11790
11791 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
11792
11793         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
11794         (*cosxf2): Rename to cosxf2_i387.
11795         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
11796         using X87MODEF12 mode macro. Rename patterns to
11797         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
11798         for SSE math.
11799         (*cosdf2, *cossf2): Ditto.
11800         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
11801         to match extended input operands.
11802         (sincos<mode>3): New expander.
11803         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
11804         insn patterns and corresponding splitters.
11805
11806 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
11807
11808         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
11809         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
11810
11811 2007-01-09  Nicolas Pitre  <nico@cam.org>
11812
11813         PR target/30173
11814         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
11815
11816 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
11817
11818         * target.h (struct gcc_target): New field library_rtti_comdat.
11819         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
11820         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
11821         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
11822         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
11823
11824 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
11825
11826         * doc/invoke.texi (Optimize Options): Correct description of -O0.
11827
11828 2007-01-08  Richard Guenther  <rguenther@suse.de>
11829
11830         * tree.h (force_fit_type_double): Export.
11831         (force_fit_type): Remove.
11832         * fold-const.c (force_fit_type_double): New function.
11833         (force_fit_type): Remove.
11834         (int_const_binop): Use it.
11835         (fold_convert_const_int_from_int): Likewise.
11836         (fold_convert_const_int_from_real): Likewise.
11837         (fold_div_compare): Likewise.
11838         (fold_sign_changed_comparison): Likewise.
11839         (fold_unary): Likewise.
11840         (fold_negate_const): Likewise.
11841         (fold_abs_const): Likewise.
11842         (fold_not_const): Likewise.
11843         * c-common.c (shorten_compare): Use force_fit_type_double.
11844         * convert.c (convert_to_pointer): Likewise.
11845
11846 2007-01-08  Richard Guenther  <rguenther@suse.de>
11847
11848         * tree.h (build_int_cst_wide_type): Export.
11849         * tree.c (build_int_cst_wide_type): New function.
11850         (build_int_cst_wide): Fix comment.
11851         * builtins.c (fold_builtin_object_size): Use build_int_cst
11852         to build -1 or 0 of the correct type.  Use fit_double_type
11853         to check for overflow.
11854         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
11855         to build the mask.
11856         (decode_field_reference): Likewise.
11857         (all_ones_mask_p): Likewise.
11858         (native_interpret_int): Use build_int_cst_wide_type.
11859         (fold_binary): Use build_int_cst_type to build an all-ones
11860         value.
11861         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
11862
11863 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
11864
11865         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
11866
11867 2007-01-09  Ben Elliston  <bje@au.ibm.com>
11868
11869         * genautomata.c (STATS_OPTION): New option.
11870         (stats_flag): New flag.
11871         (gen_automata_option): Handle it.
11872         (initiate_automaton_gen): Ditto.
11873         (write_automata): Output statistics only if stats_flag is
11874         set. Likewise, output time statistics only if time_flag is set.
11875         * doc/md.texi (Processor pipeline description): Document new flag.
11876
11877 2007-01-08  Richard Guenther  <rguenther@suse.de>
11878
11879         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
11880         * tree.c (build_int_cst_type): Likewise.
11881         (size_in_bytes): Don't call force_fit_type on the result.
11882         (int_fits_type_p): Use fit_double_type.
11883         * fold-const.c (fit_double_type): New function.
11884         (force_fit_type): Use it.
11885         * tree.h (fit_double_type): Export.
11886
11887 2007-01-08  Jan Hubicka  <jh@suse.cz>
11888
11889         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
11890         * ipa.c (function_and_variable_visibility): Fix return type.
11891
11892 2007-01-08  Richard Guenther  <rguenther@suse.de>
11893
11894         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
11895         of offset to build the index.
11896         * tree-pretty-print.c (dump_generic_node): Don't build negated
11897         const just for printing.
11898         * c-pretty-print.c (pp_c_integer_constant): Likewise.
11899         * builtins.c (fold_builtin_int_roundingfn): Check if result
11900         fits the type by using force_fit_type and comparing the result.
11901         * predict.c (predict_loops): Use compare_tree_int for comparison.
11902         * tree.c (build_int_cst): Fall back to integer_type_node for
11903         NULL_TREE type.
11904         (build_int_cst_wide): Assert type is non-null.
11905
11906 2007-01-08  Roberto Costa  <roberto.costa@st.com>
11907
11908         * tree-vrp.c (extract_range_from_cond_expr): New.
11909         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
11910         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
11911         as expressions.
11912         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
11913         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
11914         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
11915         used as expressions.
11916         * tree-object-size.c (cond_expr_object_size): New.
11917         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
11918
11919 2007-01-08  Jan Hubicka  <jh@suse.cz>
11920
11921         * tree-ssa-forwprop.c (forward_propagate_into_cond,
11922         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
11923         statement.
11924
11925 2007-01-08  Richard Guenther  <rguenther@suse.de>
11926
11927         PR tree-optimization/23603
11928         * tree-vrp.c (set_value_range_to_truthvalue): New function.
11929         (extract_range_from_binary): Fall back to truthvalue instead of
11930         varying for TRUTH_*_EXPR.
11931         (extract_range_from_comparison): Fall back to truthvalue instead of
11932         varying.
11933         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
11934         if all visited PHI values were constant.
11935
11936 2007-01-08  Jan Hubicka  <jh@suse.cz>
11937
11938         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
11939         (cgraph_analyze_function): break out from ...
11940         (cgraph_finalize_compilation_unit): ... here.
11941         (cgraph_expand_function): Remove forgoten commented out line.
11942         (cgraph_optimize): Analyze functions.
11943
11944 2007-01-08  Jan Hubicka  <jh@suse.cz>
11945
11946         * tree-pas.h (TODO_remove_function): New flag.
11947         (TODO_update*): Renumber.
11948         (pass_ipa_increase_alignment,
11949         pass_ipa_function_and_variable_visibility): New passes.
11950         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
11951         (cgraph_function_and_variable_visibility): Move to ipa.c
11952         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
11953         cgraph_increase_alignment.
11954         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
11955         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
11956         calling tree-inline.
11957         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
11958         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
11959         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
11960         (gate_increase_alignment): New function.
11961         (pass_ipa_increase_alignment): New pass.
11962         * ipa.c: Inline tree-pass.h and timevar.h
11963         (function_and_variable_visibility): Move here from cgraphunit.c
11964         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
11965         * passes.c (init_optimization_passes): Add the two new passes.
11966         (execute_todo): Handle cgraph_remove_functions.
11967
11968 2007-01-08  Nick Clifton  <nickc@redhat.com>
11969
11970         * config/frv/predicates.md (reg_or_0_operand): Accept
11971         CONST_DOUBLEs.
11972
11973 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
11974
11975         * config/bfin/rtems.h, config/bfin/t-rtems: New.
11976         * config.gcc: Add bfin*-rtems*.
11977
11978 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
11979
11980         * c.opt: Add -flax-vector-conversions.
11981         * c-typeck.c (convert_for_assignment): Pass flag to
11982         vector_types_convertible_p to allow emission of note.
11983         (digest_init): Likewise.
11984         * c-opts.c: Handle -flax-vector-conversions.
11985         * c-common.c (flag_lax_vector_conversions): New.
11986         (vector_types_convertible_p): Unless -flax-vector conversions
11987         has been passed, disallow conversions between vectors with
11988         differing numbers of subparts and/or element types.  If such
11989         a conversion is disallowed, possibly emit a note on the first
11990         occasion only to inform the user of -flax-vector-conversions.
11991         The new last argument specifies this.
11992         * c-common.h (flag_lax_vector_conversions): New.
11993         (vector_types_convertible_p): Add extra argument.
11994         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
11995         char_type_node for V*QI type vectors.
11996         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
11997         Update to satisfy new typechecking rules.
11998         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
11999         C and C++ variants.
12000         * doc/invoke.texi (C Dialect Options): Document
12001         -flax-vector-conversions.
12002
12003 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
12004
12005         PR tree-optimization/29877
12006         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
12007         a register variable on the RHS to not be replaceable.
12008
12009 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
12010         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
12011         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
12012         const_simm15, const_pow2, const_npow2): Added.
12013         * config/score/misc.md (insv, extv, extzv, movmemsi,
12014         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
12015         * config/score/score.c (score_address_cost, score_select_cc_mode):
12016         Added.
12017         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
12018         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
12019         Update score_print_operand.
12020         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
12021         Adjust register allocate order and update some macro define.
12022         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
12023         mdx_block_move_straight, mdx_block_move_loop_head,
12024         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
12025         mdx_block_move): Added.
12026         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
12027         mdp_limm): Updated and fix some bug and typo.
12028         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
12029         (movsf, movdf, doloop_end): Added.
12030
12031 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
12032
12033         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
12034         config/arm/thumb2.md: Fix comment typos.
12035         * doc/extend.texi: Fix a typo.
12036
12037 2007-01-07  Eric Christopher  <echristo@apple.com>
12038
12039         * configure.ac: Check for __stack_chk_fail for darwin.
12040         * configure: Regenerate.
12041
12042 2007-01-07  Richard Guenther  <rguenther@suse.de>
12043
12044         * tree-vrp.c (extract_range_from_assert): CSE calls to
12045         compare_values where possible.
12046         (extract_range_from_unary_expr): Likewise.
12047
12048 2007-01-07  Anatoly Sokolov <aesok@post.ru>
12049
12050         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
12051         * config/avr/avr.c (call_insn_operand): Delete function.
12052         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
12053         instead of register number. Use predicates.
12054         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
12055         call_insn_operand): Add.
12056
12057 2007-01-06  Jan Hubicka  <jh@suse.cz>
12058
12059         * tree-pass.h (pass_build_cgraph_edges): Declare.
12060         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
12061         (visited_nodes): Remove.
12062         (cgraph_create_edges): Move to cgraphbuild.c; rename to
12063         build_cgrpah_edges; make visited_nodes local.
12064         (cgraph_process_new_functions): DO not call initialize_inline_failed.
12065         (record_references_in_initializer): Move to cgraphbuild.c
12066         (initialize_inline_failed, rebuild_cgraph_edges,
12067         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
12068         (verify_cgraph_node): Make visited_nodes local.
12069         (cgraph_analyze_function): Do not call cgraph_create_edges and
12070         initialize_inline_failed.
12071         (cgraph_expand_function): Do not call cgraph_lower_function;
12072         assert that function is already lowered.
12073         * Makefile.in (cgraphbuild.o): New.
12074         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
12075         at the end of lowering passes.
12076
12077 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
12078
12079         * ifcvt.c (cond_move_convert_if_block): New function, code
12080         factored out from...
12081         (cond_move_process_if_block): ...here.  Call the new function
12082         on the THEN and ELSE blocks.
12083         (merge_if_block): Do not copy global_live_at_end, merge_blocks
12084         already takes care of this.
12085
12086 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12087
12088         PR c/19978
12089         * tree.h (TREE_OVERFLOW_P): New.
12090         * c-typeck.c (parser_build_unary_op): Warn only if result
12091         overflowed and operands did not.
12092         (parser_build_binary_op): Likewise.
12093         (convert_for_assignment): Remove redundant overflow_warning.
12094         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
12095
12096 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12097
12098         * c-typeck.c (store_init_value): Split over two lines to follow
12099         the GNU coding style.
12100
12101 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
12102
12103         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
12104         __GXX_EXPERIMENTAL_CXX0X__.
12105         * doc/cpp.texi: Same.
12106
12107 2007-01-05  Richard Guenther  <rguenther@suse.de>
12108
12109         PR middle-end/27826
12110         * tree.c (get_narrower): Do not construct COMPONENT_REFs
12111         with mismatched types.  Instead explicitly build a
12112         conversion NOP_EXPR.
12113
12114 2007-01-05  Ian Lance Taylor  <iant@google.com>
12115
12116         * c-common.c (decl_with_nonnull_addr_p): New function.
12117         (c_common_truthvalue_conversion): Call it.
12118         * c-typeck.c (build_binary_op): Likewise.
12119         * c-common.h (decl_with_nonnull_addr_p): Declare.
12120
12121 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
12122
12123         PR c/30360
12124         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
12125         denom against 0.0.
12126
12127 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
12128
12129         * doc/install.texi (Final install): Document the fact that
12130         the GNAT runtime should not be stripped.
12131
12132 2007-01-04  Jan Hubicka  <jh@suse.cz>
12133
12134         * tree-inline.c (fold_marked_statements): Update operand caches
12135         and EH after folding
12136
12137 2007-01-04  Ian Lance Taylor  <iant@google.com>
12138
12139         * c-common.c (check_function_nonnull): Whitespace fix.
12140
12141 2007-01-04  Jan Hubicka  <jh@suse.cz>
12142
12143         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
12144         comitted older version of patch.
12145         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
12146         function, celanup cfg and collect garbage.
12147
12148 2007-01-04  Mike Stump  <mrs@apple.com>
12149
12150         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
12151         (clean): Likewise.
12152
12153 2007-01-04  Eric Christopher  <echristo@apple.com>
12154
12155         * libgcc2.c (__bswapsi2): Use SItype.
12156         (__bswapdi2): Use DItype.
12157         * libgcc2.h: Update for above.
12158
12159 2007-01-04  Paul Brook  <paul@codesourcery.com>
12160
12161         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
12162         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
12163         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
12164         umulsidi3, umulsidi3adddi, smulsi3_highpart,
12165         umulsi3_highpart): Make conditional on !arm_arch6.
12166         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
12167         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
12168         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
12169         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
12170         umulsi3_highpart_v6): New insns.
12171
12172 2007-01-04  Roger Sayle  <roger@eyesopen.com>
12173
12174         * fold-const.c (fold_convert): When casting an expression to void,
12175         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
12176         have a type.  Instead of attempting to build a NOP_EXPR, return
12177         these "special" trees directly.
12178
12179 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
12180
12181         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
12182         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
12183         rs6000_cost->fp not 0 as adjustment for outer NEG.
12184
12185 2007-01-04  Jan Hubicka  <jh@suse.cz>
12186
12187         * cgraph.c (cgraph_release_function_body): New function.
12188         (cgraph_remove_node): Use it.
12189         * cgraph.h (cgraph_release_function_body): Declare.
12190         * cgraphunit.c (cgraph_expand_function): Use it.
12191         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
12192         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
12193         is initialized and while compilation of other function is running.
12194         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
12195         statement CFG annotations from here to ...
12196         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
12197
12198 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
12199
12200         * cfgloop.h (enum li_flags): Make the constants powers of two.
12201
12202 2007-01-04  Jan Hubicka  <jh@suse.cz>
12203
12204         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
12205         set.
12206         (fold_marked_statements): New function.
12207         (optimize_inline_calls, tree_function_versioning): Fold new statements.
12208         * tree-inline.h (copy_body_data): Add statements_to_fold.
12209
12210 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
12211
12212         * config.gcc: Mention libgcc/config.host.
12213         * Makefile.in: Update comments mentioning libgcc.
12214         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
12215         (all.cross, start.encap, rest.encap, rest.cross): Update
12216         dependencies for libgcc move.
12217         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
12218         (clean-target, clean-target-libgcc): Delete.
12219         (srcdirify, GCC_EXTRA_PARTS): New macros.
12220         (libgcc-support, libgcc.mvars): New rules.
12221         (distclean): Remove mention of mklibgcc.
12222         (install): Don't reference INSTALL_LIBGCC.
12223         (install-common): Don't reference EXTRA_PARTS.
12224         (install-libgcc, install-multilib): Delete rules.
12225         * mklibgcc.in: Delete file.
12226         * doc/configfiles.texi: Don't mention mklibgcc.
12227
12228         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
12229         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
12230         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
12231         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
12232         (mklibgcc, ldblspecs): Likewise.
12233
12234         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
12235         (posixpre.def): Use $(T).
12236         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
12237         (SHLIB_SRC, SHLIB_INSTALL): Delete.
12238         (SHLIB_LINK): Make dummy.
12239         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
12240
12241         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
12242
12243         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
12244         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
12245         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
12246         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
12247
12248         * configure.ac (all_outputs): Remove mklibgcc.
12249         * configure: Regenerated.
12250
12251 2007-01-03  Josh Conner  <jconner@apple.com>
12252
12253         PR middle-end/29683
12254         * calls.c (compute_argument_addresses): Set stack and stack_slot
12255         for partial args, too.
12256         (store_one_arg): Use locate.size.constant for the size when
12257         generating a save_area.
12258
12259 2007-01-03  Robert Kennedy <jimbob@google.com>
12260
12261         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
12262         whose definitions are deleted due to basic block merging.
12263
12264 2007-01-03  Paul Brook  <paul@codesourcery.com>
12265
12266         PR target/16634
12267         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
12268         functions.
12269         (use_return_insn): Return 0 for Thumb interrupt functions.
12270         (print_multi_reg): Add rfe argument for IRQ returns.
12271         (arm_output_epilogue): Pop interrupt return address directly into PC.
12272         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
12273
12274 2007-01-03  Paul Brook  <paul@codesourcery.com>
12275
12276         Merge from sourcerygxx-4_1.
12277         * config/arm/thumb2.md: New file.
12278         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
12279         Thumb-2.
12280         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
12281         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
12282         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
12283         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
12284         tables.
12285         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
12286         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
12287         comptibility.
12288         * config/arm/ieee754-sf.S: Ditto.
12289         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
12290         (thumb1_base_register_rtx_p): ... to this.
12291         (thumb_index_register_rtx_p): Rename...
12292         (thumb1_index_register_rtx_p): ... to this.
12293         (thumb_output_function_prologue): Rename...
12294         (thumb1_output_function_prologue): ... to this.
12295         (thumb_legitimate_address_p): Rename...
12296         (thumb1_legitimate_address_p): ... to this.
12297         (thumb_rtx_costs): Rename...
12298         (thumb1_rtx_costs): ... to this.
12299         (thumb_compute_save_reg_mask): Rename...
12300         (thumb1_compute_save_reg_mask): ... to this.
12301         (thumb_final_prescan_insn): Rename...
12302         (thumb1_final_prescan_insn): ... to this.
12303         (thumb_expand_epilogue): Rename...
12304         (thumb1_expand_epilogue): ... to this.
12305         (arm_unwind_emit_stm): Rename...
12306         (arm_unwind_emit_sequence): ... to this.
12307         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
12308         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
12309         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
12310         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
12311         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
12312         thumb2_output_casesi): New functions.
12313         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
12314         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
12315         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
12316         THUMB2_WORK_REGS): Define.
12317         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
12318         arm_condexec_mask, arm_condexec_masklen)): New variables.
12319         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
12320         (arm_override_options): Check new CPU capabilities.
12321         Set new architecture flag variables.
12322         (arm_isr_value): Handle v7m interrupt functions.
12323         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
12324         Thumb-2.
12325         (const_ok_for_arm): Handle Thumb-2 constants.
12326         (arm_gen_constant): Ditto.  Use movw when available.
12327         (arm_function_ok_for_sibcall): Return false for v7m interrupt
12328         functions.
12329         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
12330         (thumb_find_work_register, arm_load_pic_register,
12331         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
12332         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
12333         print_multi_reg, output_mov_long_double_fpa_from_arm,
12334         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
12335         output_mov_double_fpa_from_arm, output_move_double,
12336         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
12337         output_return_instruction, arm_output_function_prologue,
12338         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
12339         arm_output_mi_thunk, thumb_set_return_address): Ditto.
12340         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
12341         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
12342         (arithmetic_instr, shift_op): Use arm_shift_nmem.
12343         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
12344         '!' and 'L'.
12345         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
12346         (thumb_expand_prologue): Use thumb_set_frame_pointer.
12347         (arm_file_start): Output directive for unified syntax.
12348         (arm_unwind_emit_set): Handle stack alignment instruction.
12349         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
12350         Add v6t2, v7, v7a, v7r and v7m.
12351         (RETLDM): Add Thumb-2 code.
12352         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
12353         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
12354         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
12355         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
12356         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
12357         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
12358         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
12359         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
12360         ADJUST_INSN_LENGTH): Define.
12361         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
12362         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
12363         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
12364         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
12365         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
12366         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
12367         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
12368         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
12369         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
12370         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
12371         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
12372         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
12373         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
12374         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
12375         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
12376         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
12377         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
12378         cortex-m3.
12379         * config/arm/arm-tune.md: Regenerate.
12380         * config/arm/arm-protos.h: Update prototypes.
12381         * config/arm/vfp.md: Enable patterns for Thumb-2.
12382         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
12383         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
12384         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
12385         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
12386         * config/arm/libunwind.S: Add Thumb-2 code.
12387         * config/arm/constraints.md: Update include Thumb-2.
12388         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
12389         * config/arm/ieee754-df.S: Ditto.
12390         * config/arm/bpabi.S: Ditto.
12391         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
12392         * config/arm/predicates.md (low_register_operand,
12393         low_reg_or_int_operand, thumb_16bit_operator): New.
12394         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
12395         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
12396         * config/arm/t-arm-elf: Add armv7 multilib.
12397         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
12398         Include thumb2.md.
12399         (UNSPEC_STACK_ALIGN, ce_count): New.
12400         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
12401         arm_zero_extendsidi2, arm_zero_extendqidi2): New
12402         insns/expanders.
12403         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
12404         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
12405         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
12406         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
12407         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
12408         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
12409         insns.
12410         * doc/extend.texi: Document ARMv7-M interrupt functions.
12411         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
12412
12413 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
12414
12415         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
12416         (struct _Unwind_Context): Rename args_size to flags, remove
12417         signal_frame field, add a new args_size field and version field.
12418         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
12419         _Unwind_IsExtendedContext): New inline functions.
12420         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12421         Assume by_value array is only present if _Unwind_IsExtendedContext.
12422         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
12423         _Unwind_IsSignalFrame.
12424         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
12425         (uw_update_context_1): Use _Unwind_SetSignalFrame.
12426         (uw_init_context_1): Initialize context->flags to
12427         EXTENDED_CONTEXT_BIT.
12428         * config/rs6000/linux-unwind.h (frob_update_context): Use
12429         _Unwind_SetSignalFrame.
12430
12431 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12432
12433         PR middle-end/30353
12434         * gimplify.c (gimplify_modify_expr_complex_part): Move below
12435         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
12436         the value.
12437
12438 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
12439
12440         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
12441         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
12442         RET, AT_SP): Remove.
12443         * config/i386/i386.md (*sse_prologue_save_insn): Use return
12444         instead of RET.
12445
12446         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12447         * cfgbuild.c (find_basic_blocks): Likewise.
12448         * cfgrtl.c (rtl_create_basic_block): Likewise.
12449         * function.c (temp_slots_at_level): Likewise.
12450         * reg-stack.c (stack_regs_mentioned): Likewise.
12451         * regclass.c (allocate_reg_info): Likewise.
12452         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12453         set_bb_for_stmt, move_block_to_fn): Likewise.
12454         * tree-complex.c (tree_lower_complex): Likewise.
12455         * vec.h (VEC_safe_grow_cleared): New.
12456
12457         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
12458
12459 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
12460
12461         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
12462         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
12463         to loop_version.
12464         * cfgloopmanip.c (scale_loop_frequencies): Export.
12465         (loopify): Scale the frequencies by prescribed coefficients.
12466         (set_zero_probability): New function.
12467         (duplicate_loop_to_header_edge): Improve updating of frequencies.
12468         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
12469         and frequencies according to arguments.
12470         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
12471         correctly.
12472         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
12473         * modulo-sched.c (sms_schedule): Set probabilities for entering
12474         versioned loop correctly.
12475         * tree-vect-transform.c (vect_transform_loop): Ditto.
12476         * cfgloop.h (loopify, loop_version): Declaration changed.
12477         (scale_loop_frequencies): Declared.
12478
12479 2007-01-02  Jan Hubicka  <jh@suse.cz>
12480
12481         * cgraph.c: Include tree-flow.h
12482         (cgraph_add_new-function): Handle IPA_SSA mode; execute
12483         early_local_passes.
12484         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
12485         * tree-pass.h (pass_all_early_optimizations): Declare.
12486         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
12487         early_local_passes.
12488         (cgraph_analyze_function): Do early_local_passes.
12489         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
12490         Do not add referenced vars.
12491         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
12492         SSA form.
12493         (gate_all_early_local_passes): New gate.
12494         (pass_early_local_passes): Use new gate.
12495         (execute_early_local_optimizations): New functions.
12496         (gate_all_early_optimizations): New gate.
12497         (pass_all_early_optimizations): New pass.
12498         (execute_free_datastructures): Free SSA only when initialized.
12499         (gate_init_datastructures): Init only when optimizing.
12500         (tree_lowering_passes): Do early local passes when called late.
12501         * tree-profile.c (do_tree_profiling): Don't profile functions added
12502         late.
12503         (do_early_tree_profiling, pass_early_tree_profile): Kill.
12504         * tree-cfg.c (update_modified_stmts): Do not update when operands are
12505         not active.
12506         * passes.c (init_optimizations_passes): Reorder so we go into SSA
12507         during early_local_passes.
12508         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
12509
12510
12511 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
12512
12513         * Makefile.in: Update copyright year.
12514
12515 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
12516
12517         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
12518         in $(lang_checks) and check-consistency targets.
12519
12520 2007-01-02  Jan Hubicka  <jh@suse.cz>
12521
12522         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
12523         Do not add referenced vars.
12524         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
12525         are not active.
12526         * passes.c (init_optimization_passes): Put mudflap_2 after
12527         free_datastructures.
12528
12529 2007-01-02  Jan Hubicka  <jh@suse.cz>
12530
12531         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
12532         Set NOTHROW flag on call statements proved to be nothrow.
12533         Update statement of local calls so new pure/const functions are
12534         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
12535         goto receivers.
12536         (tree_rest_of_compilation): Register hooks and initialize bitmap
12537         early. Do not set after_inlining flag.
12538
12539 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
12540
12541         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
12542         HOST_BITS_PER_LONGLONG
12543
12544 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12545
12546         PR c/19977
12547         * c-typeck.c (store_init_value): Don't emit pedantic overflow
12548         warning for non-static initializers.
12549
12550 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
12551
12552         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
12553         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
12554         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
12555         Always use set_unique_reg_note to add REG_EQUAL notes.
12556
12557 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12558
12559         Revert:
12560         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12561
12562         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12563         * cfgbuild.c (find_basic_blocks): Likewise.
12564         * cfgrtl.c (rtl_create_basic_block): Likewise.
12565         * function.c (temp_slots_at_level): Likewise.
12566         * reg-stack.c (stack_regs_mentioned): Likewise.
12567         * regclass.c (allocate_reg_info): Likewise.
12568         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12569         set_bb_for_stmt, move_block_to_fn): Likewise.
12570         * tree-complex.c (tree_lower_complex): Likewise.
12571         * vec.h (VEC_safe_grow_cleared): New.
12572
12573 2007-01-02  Ian Lance Taylor  <iant@google.com>
12574
12575         * c-common.c (c_common_truthvalue_conversion): When warning about
12576         using an assignment as a truth value, set TREE_NO_WARNING.
12577
12578 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12579
12580         PR middle-end/7651
12581         * c.opt (Wold-style-declaration): New.
12582         * doc/invoke.texi (C-only Warning Options): New.
12583         (Wold-style-declaration): Document it.
12584         (Wextra): Enabled by -Wextra.
12585         * c-opts.c (c_common_post_options): Enabled by -Wextra.
12586         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
12587         -Wold-style-declaration.
12588
12589 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12590
12591         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12592         * cfgbuild.c (find_basic_blocks): Likewise.
12593         * cfgrtl.c (rtl_create_basic_block): Likewise.
12594         * function.c (temp_slots_at_level): Likewise.
12595         * reg-stack.c (stack_regs_mentioned): Likewise.
12596         * regclass.c (allocate_reg_info): Likewise.
12597         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12598         set_bb_for_stmt, move_block_to_fn): Likewise.
12599         * tree-complex.c (tree_lower_complex): Likewise.
12600         * vec.h (VEC_safe_grow_cleared): New.
12601
12602 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
12603
12604         * c-common.c (c_common_nodes_and_builtins): Since variants of
12605         void_type_node get built before it is given a name, we need to
12606         give those variants the name, too.
12607         (complete_array_type): We need to work with the canonical main
12608         type of the array, from which we will build the qualified version.
12609         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
12610         * print-tree.c (print_node): Display canonical type information
12611         for each type.
12612         * stor-layout.c (layout_type): When we don't know the
12613         alignment of a type for which we're building an array, we end up
12614         guessing wrong, so make the type require structural equality.
12615         * tree.c (make_node_stat): When we build a new type, it is its
12616         own canonical type.
12617         (build_type_attribute_qual_variant): When building an attribute
12618         variant, its canonical type is the non-attribute variant. However,
12619         if the attributes are target-dependent and they differ, we need to
12620         use structural equality checks for this type.
12621         (build_qualified_type): A qualified type is not equivalent to its
12622         unqualified variant; set the canonical type appropriately.
12623         (build_distinct_type_copy): When building a distinct type from
12624         another type, the new type is its own canonical type.
12625         (build_variant_type_copy): When building a new type variant, we
12626         assume that it is equivalent to the original type.
12627         (build_pointer_type_for_mode): When building a pointer type, also
12628         build a canonical type pointer.
12629         (build_reference_type_for_mode): When building a reference type,
12630         also build a canonical type reference.
12631         (build_index_type): When we can't hash an index type (e.g.,
12632         because its maximum value is negative), the index type requires
12633         structural equality tests.
12634         (build_array_type): Build the canonical form of an array type.
12635         (build_function_type): Function types require structural equality,
12636         because they contain default arguments, attributes, etc.
12637         (build_method_type_directly): Ditto for method types.
12638         (build_offset_type): Build the canonical offset type.
12639         (build_complex_type): Build the canonical vector type.
12640         (make_vector_type): Build the canonical vector type.
12641         * tree.h (TYPE_CANONICAL): New.
12642         (TYPE_STRUCTURAL_EQUALITY_P): New.
12643         (SET_TYPE_STRUCTURAL_EQUALITY): New.
12644         (struct tree_type): Added "canonical" field.
12645         * params.h (VERIFY_CANONICAL_TYPES): New.
12646         * doc/c-tree.texi (TYPE_CANONICAL): Document.
12647         (TYPE_STRUCTURAL_EQUALITY_P): Document.
12648         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
12649         * doc/invoke.texi (verify-canonical-types): Document --param
12650         parameter for verifying canonical types.
12651
12652 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12653
12654         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
12655         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
12656         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
12657         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
12658         tm_file.
12659         * config/rs6000/e500.h: New.
12660         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
12661         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
12662         Remove.
12663         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
12664         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
12665         TARGET_E500_DOUBLE): Remove.
12666         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
12667         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
12668         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
12669         * config/rs6000/rs6000.c (rs6000_override_options): Use
12670         CHECK_E500_OPTIONS.
12671
12672 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12673
12674         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
12675         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
12676         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
12677         rs6000_emit_cmove): Don't check TARGET_E500.
12678         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
12679         sordered): Don't check TARGET_E500.
12680
12681 2007-01-01  Eric Christopher  <echristo@apple.com>
12682
12683         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
12684         HARD_REGISTER_NUM_P.
12685
12686 2007-01-01  Roger Sayle  <roger@eyesopen.com>
12687
12688         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
12689         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
12690         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
12691         eq/ne Y".
12692
12693 2007-01-01  Mike Stump  <mrs@apple.com>
12694
12695         * configure.ac: Remove support for building with Apple's gcc-3.1.
12696
12697 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12698
12699         PR middle-end/30311
12700         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
12701         REG is a hard register.  Do not modify REG before calling
12702         subreg_nregs.
12703         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
12704         multiple of the size of YMODE for certain lowpart cases.
12705
12706 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12707
12708         PR middle-end/30253
12709         * gimplify (voidify_wrapper_expr): Update for
12710         GIMPLE_MODIFY_STMT.
12711
12712 2007-01-01  Andreas Schwab  <schwab@suse.de>
12713
12714         PR target/29166
12715         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
12716         save of BR0 in extra_spill_size instead of spill_size.
12717         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
12718         area.
12719         (ia64_expand_epilogue): Restore BR0 from its new location.
12720
12721 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12722
12723         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
12724         Use a temporary variable if the left hand side is not a gimple
12725         register.
12726
12727 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12728
12729         * gimplify.c (gimplify_return_expr): Make the temporary variable
12730         for the return expression, a gimple register variable.
12731
12732 2007-01-01  Jan Hubicka  <jh@suse.cz>
12733
12734         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
12735         INSN_LIST.
12736
12737 2007-01-01  Mike Stump  <mrs@apple.com>
12738
12739         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
12740         .literal16.
12741         * config/darwin.c (machopic_select_rtx_section): Use
12742         HAVE_GAS_LITERAL16.
12743         (darwin_mergeable_constant_section): Likewise.
12744         * configure: Regenerate.
12745         * config.in: Regenerate.
12746
12747 2007-01-01  Jan Hubicka  <jh@suse.cz>
12748             Andrew Pinski  <pinskia@gmail.com>
12749
12750         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
12751         before starting IPA passes.