OSDN Git Service

include/
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-05-07  Nathan Froyd  <froydnj@codesourcery.com>
2
3         * gcc.c (at_file_supplied): New variable.
4         (main): Set it if we expanded argv.
5         (do_spec_1): Pass an @-file to the linker if we were called with
6         an @-file argument and HAVE_GNU_LD.
7         * collect2.c (at_file_supplied): New variable.
8         (response_file): New variable.
9         (collect_exit): Unlink response_file if necessary.
10         (handler): Likewise.
11         (do_wait): Likewise.
12         (main): Set at_file_supplied if we expanded argv.
13         (collect_execute): Pass an @-file to subprocesses if we were called
14         with an @-file argument.
15         * configure.ac: Add define for HAVE_GNU_LD.
16         * configure: Regenerate.
17         * config.in: Regenerate.
18
19 2007-05-07   Naveen.H.S  <naveen.hs@kpitcummins.com>
20
21         * config/m32c/muldiv.md (mulhisi3_c): Limit the mode of the 2nd
22         operand to HI mode.
23         (mulsi3): New.
24         (divsi3): New.
25         (udivsi3): New.
26
27 2007-05-07  Jayant Sonar  <jayants@kpitcummins.com>
28
29         * config/m32c/m32c.c (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
30         (TARGET_ENCODE_SECTION_INFO): Re-define.
31         (m32c_encode_section_info): New
32         (function_vector_handler): New
33         (current_function_special_page_vector): New
34         (m32c_special_page_vector_p): New.
35         * config/m32c/m32c-protos.h (m32c_special_page_vector_p): 
36         Prototype.
37         * config/m32c/jump.md: Added instruction JSRS for functions 
38         with attribute "function_vector".
39         * doc/extend.texi (function_vector): Added description 
40         for M16C, M32C targets.
41
42 2007-05-07  DJ Delorie  <dj@redhat.com>
43
44         PR 31794
45         * config/m32c/shift.md (ashlpsi3_i, ashrpsi3_i, ashlpsi3,
46         ashrpsi3, lshrpsi3): Update shift count constraint.
47
48 2007-05-07  Danny Smith  <dannysmith@users.sourceforge.net>
49             Nathan Froyd  <froydnj@codesourcery.com>
50
51         PR 22133
52         * c-incpath.c (add_path): Strip trailing path separators.
53
54 2007-05-07  Eric Botcazou  <ebotcazou@adacore.com>
55
56         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Reset cfg_altered.
57         Free dominance info before purging EH edges.
58         (eliminate_degenerate_phis): Likewise.
59         (propagate_rhs_into_lhs): Set cfg_altered to true instead of 1.
60
61 2007-05-07  Jan Hubicka  <jh@suse.cz>
62
63         * gimplify.c (gimplify_expr): Do not crash when folding
64         (void *)(int)&a + 4.
65
66 2007-05-07  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
67
68         PR driver/31694
69         * c-opts.c (lang_fortran): Make it non static.
70         * c-common.h (lang_fortran): New prototype.
71         * c-cppbuiltin.c (c_cpp_builtins): Create a __GFORTRAN__ if the
72         -lang-fortran option was passed by the driver.
73
74 2007-05-06  Eric Botcazou  <ebotcazou@adacore.com>
75
76         * timevar.c (timevar_print): Test ENABLE_ASSERT_CHECKING instead
77         of ASSERT_CHECKING.  Tweak message.
78
79 2007-05-06  Revital Eres  <eres@il.ibm.com>
80
81         PR 30957
82         * loop-unroll.c (insert_var_expansion_initialization):
83         Initialize the expansions with -zero instead of +zero.
84
85 2007-05-05  Aurelien Jarno  <aurelien@aurel32.net>
86
87         * config/pa/pa.md: Split tgd_load, tld_load and tie_load
88         into pic and non-pic versions. Mark r19 as used for 
89         tgd_load_pic, tld_load_pic and tie_load_pic. Mark r27 as used 
90         for tgd_load, tld_load and tie_load .
91         * config/pa/pa.c (legitimize_tls_address): Emit pic or non-pic
92         version of tgd_load, tld_load and tie_load depending on the 
93         value of flag_pic.
94
95 2007-05-04  Ulrich Drepper  <drepper@redhat.com>
96             Jakub Jelinek  <jakub@redhat.com>
97
98         * crtstuff.c (HIDDEN_DTOR_LIST_END): New macro.
99         (__do_global_dtors_aux): Use more paranoid loop to run
100         destructors if HIDDEN_DTOR_LIST_END.
101         (__DTOR_END__): Export as a hidden symbol when HIDDEN_DTOR_LIST_END.
102
103 2007-05-04  Jakub Jelinek  <jakub@redhat.com>
104
105         * varasm.c (align_variable): Don't increase alignment for
106         DECL_THREAD_LOCAL_P variables above BITS_PER_WORD through
107         DATA_ALIGNMENT or CONSTANT_ALIGNMENT.
108
109 2007-05-04  Josh Conner  <jconner@apple.com>
110
111         * basic-block.h (cdi_direction): Assign values to all enumeration
112         constants.
113         (dom_computed): Remove.
114         (dom_info_state): New.
115         (set_dom_info_availability): New.
116         * tree-ssa-loop-im.c (determine_invariantness): Initialize
117         walk_data.dom_direction.
118         * cfghooks.c (delete_basic_block): Use dom_info_available_p()
119         instead of dom_computed[].
120         (split_edge): Likewise.
121         (create_basic_block): Likewise.
122         (merge_blocks): Likewise.
123         * ifcvt.c (find_if_header): Likewise.
124         * tree-cfgcleanup.c (cleanup_tree_cfg): Likewise.
125         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
126         * tree-ssa.c (verify_ssa): Likewise.
127         * tree-cfg.c (tree_verify_flow_info): Likewise.
128         (remove_edge_and_dominated_blocks): Likewise.
129         * dominance.c (dom_computed): Make static.
130         (calc_dfs_tree_nonrec): Change third param to a bool.
131         (calc_dfs_tree): Change second param to a bool.
132         (calc_idioms): Change second param to a bool.  Use
133         dom_convert_dir_to_idx.
134         (init_dom_info): Validate dir before using.
135         (dom_convert_dir_to_idx): New.
136         (calculate_dominance_info): Use dom_convert_dir_to_idx.  New
137         variable 'reverse' used for calling calc_dfs_tree and calc_idoms.
138         (free_dominance_info): Use dom_convert_dir_to_idx.
139         (get_immediate_dominator): Likewise.
140         (set_immediate_dominator): Likewise.
141         (get_dominated_by): Likewise.
142         (redirect_immediate_dominators): Likewise.
143         (nearest_common_denominator): Likewise.
144         (dominated_by_p): Likewise.
145         (bb_dom_dfs_in): Likewise.
146         (bb_dom_dfs_out): Likewise.
147         (recount_dominator): Likewise.
148         (iterate_fix_dominators): Likewise.
149         (add_to_dominance_info): Likewise.
150         (delete_from_dominance_info): Likewise.
151         (first_dom_son): Likewise.
152         (next_dom_son): Likewise.
153         (dom_info_available_p): Likewise.
154         (dom_info_state): New.
155         (set_dom_info_availability): New.
156
157 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
158
159         * config/s390/s390.md ("fix_trunc<mode>di2", "fix_trunc<mode>si2"):
160         Expander removed.
161         ("fix_trunc<DSF:mode><GPR:mode>2"): Expander added.
162
163 2007-05-04  Bob Wilson  <bob.wilson@acm.org>
164         
165         * config/xtensa/xtensa.md (adddi3, adddi_carry): Delete.
166         (subdi3, subdi_carry): Delete.
167         
168 2007-05-04  Jan Hubicka  <jh@suse.cz>
169             Richard Guenther  <rguenther@suse.de>
170
171         * opts.c (decode_options): Do not fiddle with inlining
172         parameters in case of optimizing for size.
173         * ipa-inline.c (cgraph_decide_recursive_inlining): When optimizing
174         for size do nothing.
175         (cgraph_decide_inlining_of_small_function): When optimizing for
176         size never inline functions increasing caller size.
177         (cgraph_early_inlining): Inline for size when optimizing for size.
178
179 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
180
181         * config/bfin/bfin.md (<optab>di3): Now a define_expand which expands
182         logical operations piecewise.
183         (<optab>di_zesidi_di, <optab>di_sesidi_di, negdi2, one_cmpldi2,
184         zero_extendsidi2, subdi_di_zesidi, subdi_zesidi_di, subdi_di_sesidi,
185         subdi_sesidi_di): Delete.
186         (add_with_carry): Produce carry in CC instead of a DREG to shorten
187         the generated sequence.  Allow three-reg add in constraints.  Rewrite
188         the rtl expression for carry to avoid zero_extend of a constant.
189         (sub_with_carry): New pattern.
190         (adddi3, subdi3): Change into define_expand.  For subtract, generate a
191         different sequence not involving jumps.
192         (notbi): Now a named pattern.
193
194 2007-05-04  Bradley Lucier  <lucier@math.purdue.edu>
195
196         * doc/invoke.texi (i386 and x86-64 Options) [-mpc32, -mpc64, -mpc80]:
197         Add the note about a significant loss of accuracy of some
198         mathematical routines when these options are used.
199
200 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
201
202         * haifa-sched.c (rtx_vec_t): New typedef.
203         (contributes_to_priority_p): Extract piece of priority () into new
204         static function.
205         (priority): Use the function.  Add assertion.
206         (rank_for_schedule, set_priorities): Add assertion to check that
207         insn's priority is initialized.
208         (clear_priorities, calc_priorities): Change signature.  Make it update
209         all relevant insns.  Update all callers ('add_to_speculative_block ()'
210         and 'create_block_check_twin ()').
211         * sched-int.h (struct haifa_insn_data): Remove field 'priority_known'.
212         Add new field 'priority_status'.
213         (INSN_PRIORITY_STATUS): New macro.
214         (INSN_PRIORITY_KNOWN): Change to use INSN_PRIORITY_STATUS.
215
216 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
217
218         * sched-ebb.c (debug_ebb_dependencies): New static function.
219         (init_ready_list): Use it.
220
221         * sched-rgn.c (debug_dependencies): Split into 'debug_dependencies ()'
222         with changed signature and 'debug_rgn_dependencies ()'.
223         (debug_rgn_dependencies): New static function.
224         (init_ready_list): Use it.
225         
226         * sched-int.h (debug_dependencies): Declare.
227
228 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
229
230         * libgcc-std.ver (__ffssi2): Added to GCC_4.3.0 section.
231
232 2007-05-04  Dirk Mueller  <dmueller@suse.de>
233
234         * c.opt(Wmain,ffreestanding): Enable for C++,ObjC++.
235
236 2007-05-03  Jan Hubicka  <jh@suse.cz>
237
238         * fold-const.c (fold_unary): Convert (T1)(X op Y) into ((T1)X op (T1)Y),
239         for pointer type in more cases than before.
240
241         * gimplify.c (gimplify_expr): Fold (void *)&a + 4.
242
243         * tree-object-size.c (plus_expr_object_size): When operand size is
244         unknown, return unknown.
245
246 2007-05-03  Dirk Mueller  <dmueller@suse.de>
247
248         * doc/invoke.texi (-m386,-m486,-mpentium,-mpentiumpro): Remove.
249
250         * config/i386/i386.h (CC1_CPU_SPEC): Remove handling for deprecated
251         options.
252
253         * config/i386/i386.opt (m386,m486,mpentium,mpentiumpro): Remove.
254
255 2007-05-03  Janis Johnson  <janis187@us.ibm.com>
256
257         * doc/sourcebuild.texi (Test Directives) Clarify dg-excess-errors.
258
259 2007-05-03  Joseph Myers  <joseph@codesourcery.com>
260
261         * config/soft-fp/double.h, config/soft-fp/extended.h,
262         config/soft-fp/floatundidf.c, config/soft-fp/floatundisf.c,
263         config/soft-fp/floatunsidf.c, config/soft-fp/floatunsisf.c,
264         config/soft-fp/op-2.h, config/soft-fp/op-4.h,
265         config/soft-fp/op-common.h, config/soft-fp/quad.h: Update from
266         glibc CVS.
267
268 2007-05-03  Ian Lance Taylor  <iant@google.com>
269
270         * config/rs6000/rs6000.c (rs6000_override_options): Don't set
271         MASK_PPC_GFXOPT for 8540 or 8548.
272
273 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
274
275         * tree-vect-transform.c (vect_update_inits_of_drs): Use
276         vect_print_dump_info() to output debug information.
277
278 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
279
280         PR target/31768
281         * config/i386/i386.c (print_operand) ['z']: Output 'w' for
282         operands of size 2 when operand is not MEM_P.
283
284 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
285
286         PR tree-optimization/30565
287         * lambda-code.c (perfect_nestify): Fix updating of dominators.
288
289 2007-05-03  Bernd Schmidt  <bernd.schmidt@analog.com>
290
291         * config/bfin/bfin.md (addpdi3, us_truncpdisi2): New patterns.
292         (umulsi3_highpart): Use them.
293         * config/bfin/lib1funcs.asm (__umulsi3_highpart): Use unsigned move
294         for final accumulator to D regisster tranfser.
295
296 2007-05-03  Dorit Nuzman  <dorit@il.ibm.com>
297
298         PR tree-optimization/31699
299         * tree-vect-analyze.c (vect_update_misalignment_for_peel): Remove wrong
300         code.
301         (vect_enhance_data_refs_alignment): Compute peel amount using 
302         TYPE_VECTOR_SUBPARTS instead of vf.     
303         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Likewise.
304
305 2007-05-02  Brooks Moses  <brooks.moses@codesourcery.com>
306
307         PR bootstrap/31776
308         * system.h: Remove inclusion of double-int.h
309         * tree.h: Include double-int.h
310         * gengtype.c: Likewise
311         * cfgloop.h: Likewise
312         * Makefile.in: Adjust dependencies on double-int.h
313
314 2007-05-02  Eric Christopher  <echristo@apple.com>
315
316         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Translate
317         -shared to -Zdynamiclib.
318
319 2007-05-02  Seongbae Park  <seongbae.park@gmail.com>
320
321         PR c++/31663
322         * c-common.c (strip_pointer_or_array_types): New function.
323         * c-common.h (strip_pointer_or_array_types): New function declaration.
324
325 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
326
327         PR tree-optimization/31771
328         * tree-cfg.c (move_block_to_fn): Assign bb to the correct index.
329
330 2007-05-02  Paul Brook  <paul@codesourcery.com>
331
332         * config/arm/bpabi.S (aeabi_lcmp): Fix result on overflow.
333
334 2007-05-02  Andrew Pinski  <andrew_pinski@playstation.sony.com>
335
336         PR middle-end/29715
337         * fold-const.c (fold_comparision): Remove the "foo++ == CONST"
338         transformation.
339
340 2007-05-02  Nick Clifton  <nickc@redhat.com>
341
342         * config/frv/predicates.md (symbolic_operand): Accept CONSTs.
343
344 2007-05-02  Richard Guenther  <rguenther@suse.de>
345
346         PR tree-optimization/31146
347         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
348         argument, single_use_p.  If we have a single use that is
349         a conversion to the definition rhs type, propagate that rhs.
350         (forward_propagate_addr_expr): Pass single_use_p argument
351         to forward_propagate_addr_expr_1.
352
353 2007-05-01  H.J. Lu  <hongjiu.lu@intel.com>
354
355         * config/i386/i386.c (ix86_expand_sse_comi): Remove unused
356         variable.
357
358 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
359
360         * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of
361         'AMD Family 10 core'.
362
363 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
364
365         * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3
366         and athlon64-sse3 as improved versions of k8, opteron and athlon64
367         with SSE3 instruction set support.
368         * doc/invoke.texi: Likewise.
369
370 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
371
372         * config/i386/i386.c (override_options): Tuning 32-byte loop
373         alignment for amdfam10 architecture. Increasing the max loop
374         alignment to 24 bytes.
375
376 2007-05-01  Kazu Hirata  <kazu@codesourcery.com>
377
378         * config/m68k/constraints.md: New.
379         * config/m68k/m68k.h (REG_CLASS_FROM_LETTER,
380         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
381         EXTRA_CONSTRAINT): Remove.
382         * config/m68k/m68k.md: Include constraints.md.
383         * expr.c (expand_expr_real_1): Copy DECL_RTL before using it.
384
385 2007-05-01  Ian Lance Taylor  <iant@google.com>
386
387         PR tree-optimization/31739
388         * tree-vrp.c (vrp_val_is_max): New static function.
389         (vrp_val_is_min): New static function.
390         (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
391         copying the node.
392         (set_value_range): Use vrp_val_is_{max,min}.
393         (extract_range_from_assert): Likewise.
394         (extract_range_from_binary_expr): Likewise.
395         (extract_range_from_unary_expr): Likewise.
396         (dump_value_range, vrp_meet): Likewise.
397         (vrp_visit_phi_node): Likewise.
398         * tree.c (build_distinct_type_copy): Revert change of 2007-04-27.
399
400 2007-05-01  Mark Mitchell  <mark@codesourcery.com>
401
402         * config/i386/gmon-sol2.c (size_t): New type.
403         (intptr_t): Likewise.
404         (s_textsize): Declare as size_t.
405         (sbrk): Declare.
406         (monstartup): Use size_t for sizes.
407         (_mcount): Save and restore registers.
408         (internal_mcount): Pass 0 as the first argument to monstartup
409         in 64-bit mode.
410         (moncontrol): Convert pointer to appropriately sized integer
411         before passing to profil.
412
413 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
414
415         * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if
416         __NO_FPRS__, not just if _SOFT_DOUBLE.
417         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise.
418         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord
419         also for E500 double.
420         * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt,
421         suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT
422         && !TARGET_FPRS).
423
424 2007-05-01  Richard Guenther  <rguenther@suse.de>
425
426         * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt
427         is NULL.
428
429 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
430
431         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
432
433 2007-05-01  Jan Hubicka  <jh@suse.cz>
434
435         * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is
436         invariant.
437
438 2007-05-01  Jan Hubicka  <jh@suse.cz>
439
440         * tree.h (maybe_fold_offset_to_component_ref): Remove.
441         (maybe_fold_offset_to_reference): Declare.
442         * fold-const.c (fold_unary): Do not fold
443         (type *)&A into &A->field_of_type_and_offset_0
444         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type
445         size is unknown, give up.
446         (maybe_fold_offset_to_component_ref): Ignore firelds with unknown
447         offsets.
448         (maybe_fold_offset_to_reference): New.
449         (maybe_fold_stmt_indirect): Use it.
450         (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset.
451         * gimplify.c (gimplify_conversion): Canonicalize conversions to
452         field references.
453         (gimplify_expr): Likewise for plus_expr.
454
455 2007-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
456
457         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
458         bsi_after_labels.  Always insert statements before bsi.
459         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
460         * predict.c (apply_return_prediction): Check for empty blocks.
461         * cfgexpand.c (lab_rtx_for_bb): New variable.
462         (label_rtx_for_bb): Do not create new tree labels.
463         (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
464         (tree_expand_cfg): Initialize lab_rtx_for_bb.
465         * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
466         creating edges.
467         (label_for_bb): Add field used.
468         (update_eh_label, main_block_label): Mark the label used.
469         (cleanup_dead_labels): Remove unused labels.
470
471 2007-05-01  Richard Guenther  <rguenther@suse.de>
472
473         * tree-vrp.c (set_value_range): Do not allocate equiv bitmap
474         if it is not about to be set.
475         (get_value_range): Do not pre-allocate equiv bitmap.
476         (update_value_range): No need to clear equiv field.
477         (add_equivalence): Change prototype to get bitmap pointer.
478         Allocate bitmap here if it is not already.
479         (extract_range_from_assert): Do not allocate bitmap here.
480         Update callers to add_equivalence.
481         (extract_range_from_ssa_name): Likewise.
482         (get_vr_for_comparison): New static helper.
483         (compare_name_with_value): Handle NULL equiv bitmap by
484         peeling the first iteration of the comparison loop.
485         Use get_vr_for_comparison.
486         (compare_names): Handle NULL equiv bitmaps by using fake
487         ones.  Use get_vr_for_comparison.
488
489 2007-04-30  Brooks Moses  <brooks.moses@codesourcery.com>
490
491         * double-int.c (mpz_set_double_int): Moved from
492         tree-ssa-loop-niter.c.
493         (mpz_get_double_int): Likewise; also, add option to wrap
494         out-of-range integers.
495         * double-int.h: New prototypes for above.
496         * tree.c (get_static_type_bounds): Moved from
497         tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
498         TYPE_MAX_VALUE if they exist..
499         * tree.h: New prototype for above.
500         * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
501         get_type_bounds calls.
502         (mpz_set_double_int): Move to double-int.c.
503         (get_type_bounds): Move to tree.c, rename to
504         get_static_type_bounds.
505         (mpz_to_double_int): Move to double-int.c, rename to
506         mpz_get_double_int.
507
508 2007-04-30  Bob Wilson  <bob.wilson@acm.org>
509
510         * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
511         DIV0 exception can fall through to a normal return.
512
513 2007-04-30  Alexandre Oliva  <aoliva@redhat.com>
514
515         PR middle-end/22156
516         Temporarily revert:
517         2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
518         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
519         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
520         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
521         initialize align to silence bogus warning.
522         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
523         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
524         all_no_warning.
525         (struct sra_walk_fns): Remove use_all parameter from use.
526         (sra_hash_tree): Handle BIT_FIELD_REFs.
527         (sra_elt_hash): Don't hash bitfld blocks.
528         (sra_elt_eq): Skip them in parent compares as well.  Handle
529         BIT_FIELD_REFs.
530         (sra_walk_expr): Don't maintain or pass down use_all_p.
531         (scan_use): Remove use_all parameter.
532         (scalarize_use): Likewise.  Re-expand assignment to
533         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
534         output, and re-scalarize after output.  Don't mark anything
535         for no warning.
536         (scalarize_ldst): Adjust.
537         (scalarize_walk_gimple_modify_statement): Likewise.
538         (build_element_name_1): Handle BIT_FIELD_REFs.
539         (instantiate_element): Don't warn for any element whose parent
540         is used as a whole.
541         (instantiate_missing_elements_1): Return the sra_elt.
542         (canon_type_for_field): New.
543         (try_instantiate_multiple_fields): New.
544         (instantiate_missing_elemnts): Use them.
545         (mark_no_warning): Removed.
546         (generate_one_element_ref): Handle BIT_FIELD_REFs.
547         (REPLDUP, sra_build_elt_assignment): New.
548         (generate_copy_inout): Use them.
549         (generate_element_copy): Likewise.  Handle bitfld differences.
550         (generate_element_zero): Don't recurse for blocks.  Use
551         sra_build_elt_assignment.
552         (generate_one_element_int): Take elt instead of var.  Use
553         sra_build_elt_assignment.
554         (generate_element_init_1): Adjust.
555         (scalarize_use, scalarize_copy): Use REPLDUP.
556         (scalarize_ldst): Move assert before dereference.
557         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
558
559 2007-04-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
560
561         PR C++/31721
562         * tree.c (reconstruct_complex_type): Reconstruct a reference
563         correctly.
564         Also use the same mode for the pointer as the old pointer type.
565
566 2007-04-30  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
567
568         * doc/trouble.texi (Interoperation): Remove note about Ultrix
569         Fortran compiler.
570
571 2007-04-29  Zdenek Dvorak  <dvorakz@suse.cz>
572
573         PR rtl-optimization/31676
574         * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
575         (df_refs_record): Call it.
576
577 2007-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
578
579         * rtl.def (SS_ABS): New code.
580         * config/bfin/bfin.c (print_operand): New modifier 'v'.
581         (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
582         BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
583         BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
584         (bfin_init_builtins): Define them.
585         (bdesc_1arg, bdesc_2arg): Add some of them here, ...
586         (bfin_expand_builtin): ... and handle the others here.
587         * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
588         flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
589         (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
590         (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
591         operand is only HImode.
592
593 2007-04-29  Steven Bosscher  <steven@gcc.gnu.org>
594
595         * regclass.c (scan_one_insn): Remove splitting of
596         two address insns.
597
598 2007-04-28  Sandra Loosemore  <sandra@codesourcery.com>
599             Nigel Stephens  <nigel@mips.com>
600
601         * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
602
603 2007-04-28  Jan Hubicka  <jh@suse.cz>
604
605         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
606         insn_locators_alloc instead of insn_locators_initialize;
607         call reset_block_changes.
608         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
609         * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
610         * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
611         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
612         * config/score/score.c (th_output_mi_thunk): Likewise.
613         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
614         * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
615         tolerate uninitialized locator info.
616
617         Re-apply:
618         * function.c (init_function_start): Don't init line number info.
619         (expand_function_end): Update.
620         (reset_block_changes, record_block_change, finalize_block_changes,
621         check_block_change, free_block_changes): Kill.
622         * function.h (reset_block_changes, record_block_change,
623         finalize_block_changes, check_block_change, free_block_changes): Remove
624         prototypes.
625         (struct function): Remove ib_boundaries_block.
626         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
627         Use curr_insn_locator to initialize locator.
628         (emit_line_note): Remove.
629         * cfgexpand.c (expand_gimple_cond_expr): Update.
630         (construct_exit_block): Likewise.
631         (tree_expand_cfg): Initialize/finalize locators.
632         * expr.c (expand_expr_real): Update.
633         * cfglayout.c (line_locators_locs, line_locators_lines,
634         file_locators_locs, file_locators_files): Remove.
635         (set_block_levels): Move to cfgexpand.c.
636         (insn_locators_initialize): Remove.
637         (pass_insn_locators_initialize): Remove.
638         (locations_locators_locs, locations_locators_vals): New static vars.
639         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
640         Likewise.
641         (insn_locators_alloc, insn_locators_finalize,
642         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
643         New functions.
644         (locator_location): New.
645         (locator_line, locator_file): Rewrite.
646         * rtl.h (emit_line_note): Kill.
647         (insn_locators_alloc, insn_locators_finalize,
648         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
649         Declare.
650         * tree-inline.c (initialize_cfun): Do not initialize
651         ib_boundaries_block.
652         * passes.c (pass_insn_locators_initialize): Remove.
653
654 2007-04-28  Zdenek Dvorak  <dvorakz@suse.cz>
655
656         * tree-cfg.c (move_block_to_fn): Release bb from dominance
657         info.  Update last_basic_block correctly.
658
659 2007-04-27  Kaz Kojima  <kkojima@gcc.gnu.org>
660
661         PR target/31701
662         * config/sh/sh.c (output_stack_adjust): Avoid using the frame
663         register itself to hold the offset constant.  Tell flow the use
664         of r4 and r5 when they are used.
665
666 2007-04-27  Richard Guenther  <rguenther@suse.de>
667
668         * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
669         if we simplified anything.
670         (tree_ssa_forward_propagate_single_use_vars): Defer overflow
671         warnings until we did a simplification and the stmt was not
672         marked as TREE_NO_WARNING.
673
674 2007-04-27  Mike Stump  <mrs@apple.com>
675
676         * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
677
678 2007-04-27  Ian Lance Taylor  <iant@google.com>
679
680         PR middle-end/31710
681         * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
682         TYPE_MAX_VALUE exist, convert them to the new type.
683
684 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
685
686         * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
687         if it claims to be available.
688         * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
689         edge is redirected.
690         (perform_tree_ssa_dce): Always free postdominators.
691
692 2007-04-27  Richard Henderson  <rth@redhat.com>
693
694         * config/alpha/predicates.md (aligned_memory_operand): Mark
695         as define_special_predicate.
696         (unaligned_memory_operand, normal_memory_operand): Likewise.
697         (reg_or_unaligned_mem_operand): Remove.
698         (any_memory_operand): Match the documentation and check for
699         non-renumbered pseudos during reload.
700         * config/alpha/alpha.c (alpha_secondary_reload): Rename from
701         alpha_secondary_reload_class, update to new interface, make static.
702         Handle CQImode like HImode.  Remove FP subreg check.
703         (alpha_expand_mov): Use replace_equiv_address.
704         (alpha_expand_mov_nobwx): Use any_memory_operand.
705         (TARGET_SECONDARY_RELOAD): New.
706         * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
707         (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
708         * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
709         * config/alpha/alpha.md: ... here.
710         (RELOAD12, reloadmode): New.
711         (movcqi): New.
712         (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
713         Don't handle the aligned case here.
714         (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
715         (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
716         reload_inhi_help.  Don't expect a scratch register.
717         (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
718         reload_outhi_help.
719         * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
720
721 2007-04-27  Richard Guenther  <rguenther@suse.de>
722
723         * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
724
725 2007-04-27  Richard Guenther  <rguenther@suse.de>
726
727         PR tree-optimization/30965
728         PR tree-optimization/30978
729         * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
730         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
731         (find_equivalent_equality_comparison): Likewise.
732         (simplify_cond): Likewise.
733         (get_prop_source_stmt): New helper.
734         (get_prop_dest_stmt): Likewise.
735         (can_propagate_from): Likewise.
736         (remove_prop_source_from_use): Likewise.
737         (combine_cond_expr_cond): Likewise.
738         (forward_propagate_comparison): New function.
739         (forward_propagate_into_cond): Rewrite to use fold for
740         tree combining.
741         (tree_ssa_forward_propagate_single_use_vars): Call
742         forward_propagate_comparison to propagate comparisons.
743
744 2007-04-27  Richard Guenther  <rguenther@suse.de>
745
746         PR tree-optimization/31715
747         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
748         sure to do computation on the offset in an appropriate
749         signed type.
750
751 2007-04-27  Richard Sandiford  <richard@codesourcery.com>
752
753         * reload.h (elimination_target_reg_p): Declare.
754         * reload.c (find_reloads): Don't apply the reg_rtx move
755         optimization if the SET_DEST satisfies elimination_target_reg_p.
756         * reload1.c (elimination_target_reg_p): New function.
757         (gen_reload): In the move/add2 fallback, make sure that op0
758         does not overlap the destination register.
759
760 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
761
762         * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
763         transform only GIMPLE_MODIFY_STMTs.
764         * tree-complex.c (expand_complex_operations_1): Ditto.
765         (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
766         * tree-ssa-loop-manip.c (build_if_stmt): Removed.
767         (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
768         branches.
769         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
770         tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
771         * omp-low.c (expand_parallel_call, expand_omp_for_generic,
772         expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
773         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
774         slpeel_add_loop_guard): Ditto.
775         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
776         * lambda-code.c (perfect_nestify): Ditto.
777         * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
778         before the first statement.
779         * tree-optimize.c (execute_free_datastructures): Fix comments.
780         (execute_free_cfg_annotations): Do not call disband_implicit_edges.
781         * tree-flow.h (disband_implicit_edges): Declaration removed.
782         * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
783         branches.
784         (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
785         without gotos.
786         (disband_implicit_edges, has_label_p): Removed.
787         (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
788         (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
789         branches.
790         * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
791         side effects.
792         * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
793         also for COND_EXPRs.
794         * cfgexpand.c (label_rtx_for_bb): New function.
795         (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
796         Use label_rtx_for_bb to find the labels.
797         (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
798         last block.  Detect fallthru edges.
799
800 2007-04-26  Ian Lance Taylor  <iant@google.com>
801
802         PR target/28675
803         * reload.c (find_reloads_subreg_address): If the address was valid
804         in the original mode but not in the new mode, reload the whole
805         address.
806
807 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
808
809         * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
810         (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
811         (cleanup_control_expr_graph): Do not invalidate dominance info.
812         Record altered blocks.
813         (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
814         (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
815         cleanup_tree_cfg_bb): New functions.
816         (remove_forwarder_block): Do not maintain the worklist of blocks.
817         Record altered blocks.
818         (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
819         not over whole cfg.
820         (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1.  Only call
821         delete_unreachable_blocks if dominators are not available.
822         * tree-inline.c (optimize_inline_calls): Free dominance information
823         earlier.
824         * tree-flow.h (remove_edge_and_dominated_blocks,
825         cfgcleanup_altered_bbs): Altered.
826         * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
827         blocks.
828         (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
829         functions.
830         (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
831         do not invalidate dominators.
832
833 2007-04-26  Anatoly Sokolov <aesok@post.ru>
834
835         * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
836         ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
837         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
838         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
839
840 2007-04-26  Steve Ellcey  <sje@cup.hp.com>
841
842         * config/ia64/ia64.md (ip_value):  Fix itanium_class attribute.
843
844 2007-04-26  Richard Guenther  <rguenther@suse.de>
845
846         PR tree-optimization/31703
847         * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
848         the right type for the target of the bittest.
849
850 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
851
852         * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
853         ix86_sol10_return_in_memory.
854
855 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
856
857         * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
858         variables.
859
860 2007-04-26  Jakub Jelinek  <jakub@redhat.com>
861
862         PR c++/31598
863         * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
864
865         PR tree-optimization/30558
866         * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
867         clear this_state.prev_try.
868
869 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
870             Mark Mitchell  <mark@codesourcery.com>
871
872         * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
873         * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
874         * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
875
876 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
877
878         PR driver/31107
879         * doc/invoke.texi (%:print-asm-header): Document.
880         * gcc.c (asm_options): Use %:print-asm-header() for --target-help
881         and -ftarget-help.
882         (static_spec_functions): Add print-asm-header.
883         (main): Print a banner before the --target-help linker options.
884         (print_asm_header_spec_function): New function.
885
886 2007-04-25  Kaz Kojima  <kkojima@gcc.gnu.org>
887
888         PR target/31403
889         * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
890         (movsf_ie): Likewise.
891
892 2007-04-25  Paolo Carlini  <pcarlini@suse.de>
893
894         * doc/extend.texi ([Type Traits]): Adjust per N2255.
895
896 2007-04-25  Bob Wilson  <bob.wilson@acm.org>
897
898         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an exception
899         for divide-by-zero.
900         (__umodsi3, __modsi3): Likewise.
901
902 2007-04-25  Dirk Mueller  <dmueller@suse.de>
903
904         * c-typeck.c (build_compound_expr): Annotate warning()
905         call with OPT_Wunused_value.
906         * tree-ssa.c (warn_uninit): Annotate warning with
907         OPT_Wunintialized.
908         * c-common.c (handle_sentinel_attribute): Annotate warning
909         call with OPT_Wattributes.
910
911 2007-04-25  Thiemo Seufer  <ths@mips.com>
912
913         * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
914         (mips16): Fix typo.
915         * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
916         on to the assembler.  Improve handling of -mno-mips16.  Add handling
917         of -mno-mips3d, -mno-dsp, -mno-dspr2.
918         * doc/invoke.texi (MIPS Options): Whitespace cleanup.  Fix wrong use
919         of @itemx.  Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
920         -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
921
922 2007-04-25  Danny Smith  <dannysmith.users.sourceforge.net>
923
924         PR target/31680
925         * config/i386/winnt.c (i386_pe_file_end): Strip only
926         USER_LABEL_PREFIX when writing export name.
927
928 2007-04-25  Richard Sandiford  <richard@codesourcery.com>
929
930         * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h.  Include
931         sh/elf.h, vx-common.h and vxworks.h.
932         * config/sh/sh.h: Include config/vxworks-dummy.h.
933         (SUBTARGET_OVERRIDE_OPTIONS): Define.
934         (OVERRIDE_OPTIONS): Use it.
935         * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
936         (vxworks_picreg): New pattern.
937         * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
938         VXWORKS_OS_CPP_BUILTINS.
939         (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
940         to their VXWORKS_* equivalents.
941         (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
942         (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
943         * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
944         (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
945         * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
946         -mrtp/-fPIC multilibs.
947         (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
948         (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
949         (MULTILIB_OSDIRNAMES): Delete.
950
951 2007-04-25  Anatoly Sokolov <aesok@post.ru>
952
953         PR target/18989
954         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
955
956 2007-04-24  Brooks Moses  <brooks.moses@codesourcery.com>
957
958         * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
959         rounding mode to be specified by the caller.
960         (real_to_mpfr) Likewise.
961         * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
962         include new arguments.
963         * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
964
965 2007-04-24  Ian Lance Taylor  <iant@google.com>
966
967         PR tree-optimization/31605
968         * tree-vrp.c (set_value_range): Check that min and max are not
969         both overflow infinities.
970         (set_value_range_to_value): New static function.
971         (extract_range_from_binary_expr): Call set_value_range_to_value.
972         (extract_range_from_cond_expr): Likewise.
973         (extract_range_from_expr): Likewise.
974         (extract_range_from_unary_expr): Likewise.  Don't create a range
975         which overflows on both sides.
976         (vrp_meet): Check for a useless range.
977         (vrp_visit_phi_node): If we see a constant which looks like an
978         overflow infinity, turn off the TREE_OVERFLOW flag.
979
980 2007-04-24  Ian Lance Taylor  <iant@google.com>
981
982         * flow.c (elim_reg_cond): Handle a comparison of a subreg.
983
984 2007-04-24  Simon Martin  <simartin@users.sourceforge.net>
985
986         PR diagnostic/25923
987         * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
988         diagnostic message is being built.
989         * tree-pretty-print.c (dump_generic_node): Only write the
990         formatted text into BUFFER's stream if we are not building a
991         diagnostic message.
992         * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
993         dump_generic_node.
994         * Makefile.in (toplev.o): Depend on tree-pass.h.
995
996 2007-04-24  Ian Lance Taylor  <iant@google.com>
997
998         PR tree-optimization/31602
999         * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
1000         conditionals in the copied loop header.
1001         * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
1002         warnings if TREE_NO_WARNING is set.
1003         * doc/invoke.texi (Warning Options): Clarify that
1004         -Wstrict-overflow does not warn about loops.
1005
1006 2007-04-24  Janis Johnson  <janis187@us.ibm.com>
1007
1008         * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
1009         expand on the comment about _Decimal128 arguments and check the
1010         integer result of the modulus operation; for 64-bit ELF ABI, ensure
1011         that _Decimal128 argument uses even/odd register pair.
1012         (function_arg): Ditto.
1013
1014 2007-04-24  Hui-May Chang <hm.chang@apple.com>
1015
1016         * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
1017         instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
1018
1019 2007-04-24  Richard Guenther  <rguenther@suse.de>
1020             Olga Golovanevsky  <olga@il.ibm.com>
1021
1022         * fold-const.c (multiple_of_p): Check for bottom
1023         to be zero.
1024
1025 2007-04-24  Richard Henderson  <rth@redhat.com>
1026
1027         * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
1028         IS_IBM_EXTENDED.  Also define in terms of WIDEST_HARDWARE_FP_SIZE.
1029         * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
1030         looking for non-zero bits shifted out.  Avoid a recursive call
1031         when constructing the scalar.
1032         (__floatundisf): Likewise.
1033
1034 2007-04-24  Nathan Froyd  <froydnj@codesourcery.com>
1035
1036         * dwarf2out.c (field_byte_offset): Move the existing logic
1037         under the control of PCC_BITFIELD_TYPE_MATTERS and just use
1038         the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
1039
1040 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
1041
1042         PR target/31641
1043         * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length
1044         argument of 0 for memset.
1045         (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
1046         unsigned shift instead of the signed variant.
1047
1048 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
1049
1050         * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
1051         "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
1052         "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
1053         "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
1054         "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
1055         "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
1056         "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
1057         "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
1058         "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
1059         ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
1060         "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
1061         "mul<mode>3", "div<mode>3"): Insn definitions added.
1062         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
1063         "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
1064         to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
1065         ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
1066         "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
1067         "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
1068         ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
1069         * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
1070         TARGET_FLOAT_FORMAT): Macro definitions removed.
1071         (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
1072         * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
1073         z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
1074         (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
1075         (s390_gen_rtx_const_DI): Function removed.
1076         * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
1077
1078 2007-04-24  Richard Sandiford  <richard@codesourcery.com>
1079
1080         * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
1081         over an external ffs function.
1082
1083 2007-04-24  Chao-ying Fu  <fu@mips.com>
1084             Richard Sandiford  <richard@nildram.co.uk>
1085
1086         * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
1087         * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
1088         (smadd_widen_optab, umadd_widen_optab): Define.
1089         * optabs.c (init_optabs): Initialize smadd_widen_optab and
1090         umadd_widen_optab.
1091         * genopinit.c (optabs): Fill in smadd_widen_optab and
1092         umadd_widen_optab.
1093         * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
1094         and umadd_widen_optab to implement multiply-add sequences.
1095         * config/mips/mips.md (*<su>mul_acc_di): Rename to...
1096         (<u>maddsidi4): ...this.  Extend condition to include
1097         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
1098         of operand 0 to "ka" and use the three-operand form of madd<u>
1099         for TARGET_DSPR2.
1100         * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
1101         to define_expands.
1102         * config/mips/constraints.md (ka): New register constraint.
1103
1104 2007-04-24  Jan Hubicka  <j@suse.cz>
1105
1106         Revert:
1107
1108         2007-04-23  Jan Hubicka  <jh@suse.cz>
1109         * function.c (init_function_start): Don't init line number info.
1110         (expand_function_end): Update.
1111         (reset_block_changes, record_block_change, finalize_block_changes,
1112         check_block_change, free_block_changes): Kill.
1113         * function.h (reset_block_changes, record_block_change,
1114         finalize_block_changes, check_block_change, free_block_changes): Remove
1115         prototypes.
1116         (struct function): Remove ib_boundaries_block.
1117         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
1118         Use curr_insn_locator to initialize locator.
1119         (emit_line_note): Remove.
1120         * cfgexpand.c (expand_gimple_cond_expr): Update.
1121         (construct_exit_block): Likewise.
1122         (tree_expand_cfg): Initialize/finalize locators.
1123         * expr.c (expand_expr_real): Update.
1124         * cfglayout.c (line_locators_locs, line_locators_lines,
1125         file_locators_locs, file_locators_files): Remove.
1126         (set_block_levels): Move to cfgexpand.c.
1127         (insn_locators_initialize): Remove.
1128         (pass_insn_locators_initialize): Remove.
1129         (locations_locators_locs, locations_locators_vals): New static vars.
1130         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
1131         Likewise.
1132         (insn_locators_alloc, insn_locators_finalize,
1133         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1134         New functions.
1135         (locator_location): New.
1136         (locator_line, locator_file): Rewrite.
1137         * rtl.h (emit_line_note): Kill.
1138         (insn_locators_alloc, insn_locators_finalize,
1139         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1140         Declare.
1141         * tree-inline.c (initialize_cfun): Do not initialize
1142         ib_boundaries_block.
1143         * passes.c (pass_insn_locators_initialize): Remove.
1144
1145 2007-04-24  Daniel Franke  <franke.daniel@gmail.com>
1146
1147         * doc/invoke.texi: Removed leading '-' from option index entries.
1148
1149 2007-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
1150
1151         * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
1152         Use phi_nodes_ptr.
1153         (create_phi_node): Use set_phi_nodes.
1154         * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
1155         * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
1156         (combine_blocks):  Use bb_stmt_list and set_bb_stmt_list.
1157         * tree-flow-inline.h (phi_nodes, set_phi_nodes,
1158         (bsi_start, bsi_last): Use bb_stmt_list.
1159         (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
1160         * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
1161         Traverse the statements using tsi iterator.
1162         * basic-block.h (struct basic_block_def): Fields stmt_list
1163         and phi_nodes moved to ...
1164         (struct tree_bb_info): ... new structure.
1165         * tree-cfg.c (create_bb): Allocate il.tree.  Use set_bb_stmt_list.
1166         (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
1167         (remove_bb): Handle blocks with NULL stmt list.  Clear il.tree field.
1168         (tree_verify_flow_info): Verify that il.tree is not set for
1169         entry and exit block.
1170         (tree_split_block): Use set_bb_stmt_list.
1171
1172 2007-04-23  Mike Stump  <mrs@apple.com>
1173
1174         * config/i386/i386.c (ix86_tune_features
1175         [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
1176         nocona and core2.
1177
1178 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
1179
1180         * config/i386/i386.md (prefix_extra): New attribute.
1181         (length): Add prefix_extra.
1182
1183         * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
1184         (sse2_movntv2di): Likewise.
1185         (sse2_cvtps2dq): Likewise.
1186         (sse2_cvtpd2pi): Likewise.
1187         (sse2_cvttpd2pi): Likewise.
1188         (*sse2_cvtpd2ps): Likewise.
1189         (*add<mode>3): Likewise.
1190         (sse2_ssadd<mode>3): Likewise.
1191         (sse2_usadd<mode>3): Likewise.
1192         (*sub<mode>3): Likewise.
1193         (sse2_sssub<mode>3): Likewise.
1194         (sse2_ussub<mode>3): Likewise.
1195         (*mulv8hi3): Likewise.
1196         (*smulv8hi3_highpart): Likewise.
1197         (*umulv8hi3_highpart): Likewise.
1198         (sse2_umulv2siv2di3): Likewise.
1199         (sse2_pmaddwd): Likewise.
1200         (ashr<mode>3): Likewise.
1201         (lshr<mode>3): Likewise.
1202         (ashl<mode>3): Likewise.
1203         (sse2_ashlti3): Likewise.
1204         (sse2_lshrti3): Likewise.
1205         (*umaxv16qi3): Likewise.
1206         (*smaxv8hi3): Likewise.
1207         (*uminv16qi3): Likewise.
1208         (*sminv8hi3): Likewise.
1209         (sse2_eq<mode>3): Likewise.
1210         (sse2_gt<mode>3): Likewise.
1211         (*and<mode>3): Likewise.
1212         (sse2_nand<mode>3): Likewise.
1213         (*ior<mode>3): Likewise.
1214         (*xor<mode>3): Likewise.
1215         (sse2_packsswb): Likewise.
1216         (sse2_packssdw): Likewise.
1217         (sse2_packuswb): Likewise.
1218         (sse2_punpckhbw): Likewise.
1219         (sse2_punpcklbw): Likewise.
1220         (sse2_punpckhwd): Likewise.
1221         (sse2_punpcklwd): Likewise.
1222         (sse2_punpckhdq): Likewise.
1223         (sse2_punpckldq): Likewise.
1224         (sse2_punpckhqdq): Likewise.
1225         (sse2_punpcklqdq): Likewise.
1226         (*sse2_pinsrw): Likewise.
1227         (*sse2_pextrw): Likewise.
1228         (sse2_pshufd_1): Likewise.
1229         (sse2_uavgv16qi3): Likewise.
1230         (sse2_uavgv8hi3): Likewise.
1231         (sse2_psadbw): Likewise.
1232         (sse2_pmovmskb): Likewise.
1233         (*sse2_maskmovdqu): Likewise.
1234         (*sse2_maskmovdqu_rex64): Likewise.
1235         (sse4a_extrqi): Likewise.
1236         (sse4a_extrq): Likewise.
1237         (sse3_lddqu): Set prefix_rep.
1238         (sse3_addsubv4sf3): Likewise.
1239         (sse3_haddv4sf3): Likewise.
1240         (sse3_hsubv4sf3): Likewise.
1241         (sse_cvtss2si): Likewise.
1242         (sse_cvtss2si_2): Likewise.
1243         (sse_cvtss2siq): Likewise.
1244         (sse_cvtss2siq_2): Likewise.
1245         (sse_cvttss2si): Likewise.
1246         (sse_cvttss2siq): Likewise.
1247         (sse2_cvttps2dq): Likewise.
1248         (sse3_movshdup): Likewise.
1249         (sse3_movsldup): Likewise.
1250         (sse2_cvtsd2si): Likewise.
1251         (sse2_cvtsd2si_2): Likewise.
1252         (sse2_cvtsd2siq): Likewise.
1253         (sse2_cvtsd2siq_2): Likewise.
1254         (sse2_cvttsd2si): Likewise.
1255         (sse2_cvttsd2siq): Likewise.
1256         (*sse2_cvtpd2dq): Likewise.
1257         (*sse2_cvttpd2dq): Likewise.
1258         (sse2_pshuflw_1): Likewise.
1259         (sse2_pshufhw_1): Likewise.
1260         (sse4a_insertqi): Likewise.
1261         (sse4a_insertq): Likewise.
1262         (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
1263         (ssse3_phadddv4si3): Likewise.
1264         (ssse3_phaddswv8hi3): Likewise.
1265         (ssse3_phsubwv8hi3): Likewise.
1266         (ssse3_phsubdv4si3): Likewise.
1267         (ssse3_phsubswv8hi3): Likewise.
1268         (ssse3_pmaddubswv8hi3): Likewise.
1269         (ssse3_pmulhrswv8hi3): Likewise.
1270         (ssse3_pshufbv16qi3): Likewise.
1271         (ssse3_psign<mode>3): Likewise.
1272         (ssse3_palignrti): Likewise.
1273         (abs<mode>2): Likewise.
1274         (ssse3_phaddwv4hi3): Set prefix_extra.
1275         (ssse3_phadddv2si3): Likewise.
1276         (ssse3_phaddswv4hi3): Likewise.
1277         (ssse3_phsubwv4hi3): Likewise.
1278         (ssse3_phsubdv2si3): Likewise.
1279         (ssse3_phsubswv4hi3): Likewise.
1280         (ssse3_pmaddubswv4hi3): Likewise.
1281         (ssse3_pmulhrswv4hi3): Likewise.
1282         (ssse3_pshufbv8qi3): Likewise.
1283         (ssse3_psign<mode>3): Likewise.
1284         (ssse3_palignrdi): Likewise.
1285         (abs<mode>2): Likewise.
1286         (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
1287         (*vec_dupv2df): Set mode to V2DF instead of V4SF.
1288         (sse2_pmovmskb): Set mode to SI instead of V2DF.
1289
1290 2007-04-23  Nick Clifton  <nickc@redhat.com>
1291
1292         * params.def: Fix formatting of emacs local variables.
1293
1294 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
1295
1296         * config/i386/sse.md (sse2_stored): Don't split to inter-unit
1297         move if inter-unit move isn't allowed.
1298         Don't split moving the first element of V2DI to DI to inter-unit
1299         move if inter-unit move isn't allowed.
1300
1301 2007-04-23  Richard Guenther  <rguenther@suse.de>
1302
1303         * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
1304         and CDI_POST_DOMINATORS separately.
1305
1306 2007-04-23  Nick Clifton  <nickc@redhat.com>
1307
1308         * c.opt (Wformat-contains-nul): Add warning attribute.
1309
1310 2007-04-23  Jan Hubicka  <jh@suse.cz>
1311
1312         * function.c (init_function_start): Don't init line number info.
1313         (expand_function_end): Update.
1314         (reset_block_changes, record_block_change, finalize_block_changes,
1315         check_block_change, free_block_changes): Kill.
1316         * function.h (reset_block_changes, record_block_change,
1317         finalize_block_changes, check_block_change, free_block_changes): Remove
1318         prototypes.
1319         (struct function): Remove ib_boundaries_block.
1320         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
1321         Use curr_insn_locator to initialize locator.
1322         (emit_line_note): Remove.
1323         * cfgexpand.c (expand_gimple_cond_expr): Update.
1324         (construct_exit_block): Likewise.
1325         (tree_expand_cfg): Initialize/finalize locators.
1326         * expr.c (expand_expr_real): Update.
1327         * cfglayout.c (line_locators_locs, line_locators_lines,
1328         file_locators_locs, file_locators_files): Remove.
1329         (set_block_levels): Move to cfgexpand.c.
1330         (insn_locators_initialize): Remove.
1331         (pass_insn_locators_initialize): Remove.
1332         (locations_locators_locs, locations_locators_vals): New static vars.
1333         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
1334         Likewise.
1335         (insn_locators_alloc, insn_locators_finalize,
1336         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1337         New functions.
1338         (locator_location): New.
1339         (locator_line, locator_file): Rewrite.
1340         * rtl.h (emit_line_note): Kill.
1341         (insn_locators_alloc, insn_locators_finalize,
1342         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1343         Declare.
1344         * tree-inline.c (initialize_cfun): Do not initialize
1345         ib_boundaries_block.
1346         * passes.c (pass_insn_locators_initialize): Remove.
1347
1348 2007-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1349
1350         PR middle-end/31448
1351         * expr.c (reduce_to_bit_field_precision): Handle
1352         CONST_INT rtx's.
1353
1354 2007-04-22  Uros Bizjak  <ubizjak@gmail.com>
1355
1356         PR tree-optimization/24659
1357         * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
1358         OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
1359         (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
1360         * genopinit.c (optabs): Rename vec_pack_mod_optab
1361         to vec_pack_trunc_optab.
1362         * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
1363         early for scalar floating point operands for NOP_EXPR.
1364         (vectorizable_type_promotion): Ditto.
1365         * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
1366         vec_pack_trunc_optab.
1367         (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
1368
1369         * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
1370         * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
1371         Rename from VEC_PACK_MOD_EXPR.
1372         (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
1373         * expr.c (expand_expr_real_1): Ditto.
1374         * tree-inline.c (estimate_num_insns_1): Ditto.
1375         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
1376
1377         * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
1378         (vec_unpacks_lo_v4sf): Ditto.
1379         (vec_pack_trunc_v2df): Ditto.
1380         (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
1381         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
1382         (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
1383
1384         * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
1385         vec_pack_mod_v8hi.
1386         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
1387
1388         * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
1389         Rename from VEC_PACK_MOD_EXPR.  This expression also represent
1390         packing of floating point operands.
1391         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
1392         represent unpacking of floating point operands.
1393         * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
1394         [vec_unpacks_hi]: Ditto.
1395         [vec_unpacks_lo]: Ditto.
1396
1397 2007-04-22  Jan Hubicka  <jh@suse.cz>
1398
1399         * final.c (rest_of_handle_final): Call
1400         targetm.asm_out.constructor/targetm.asm_out.destructor
1401         * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
1402         proper priority via decl_*_priority_insert.
1403         * c-common.c (c_expand_body): Likewise.
1404
1405 2007-04-22  Richard Guenther  <rguenther@suse.de>
1406
1407         PR tree-optimization/29789
1408         * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
1409         (rewrite_reciprocal): New helper split out from
1410         determine_invariantness_stmt.
1411         (rewrite_bittest): Likewise.
1412         (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
1413         A & (1 << B) if (1 << B) is loop invariant but (A >> B)
1414         is not.
1415
1416 2007-04-22  Revital Eres  <eres@il.ibm.com>
1417
1418         * loop-unroll.c (var_to_expand): New field to support also
1419         insns of the form x = something + x.
1420         (analyze_insn_to_expand_var): Use it.
1421         (expand_var_during_unrolling): Likewise.
1422
1423 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
1424
1425         * predict.c: Include pointer-set.h.
1426         (bb_predictions): New variable.
1427         (tree_predicted_by_p, tree_predict_edge,
1428         remove_predictions_associated_with_edge): Use bb_predictions map
1429         instead of bb->predictions.
1430         (clear_bb_predictions, assert_is_empty): New functions.
1431         (combine_predictions_for_bb): Use bb_predictions map.  Call
1432         clear_bb_predictions.
1433         (tree_estimate_probability): Create and free bb_predictions map.
1434         * Makefile.in (predict.o): Add pointer-set.h dependency.
1435         * basic-block.h (struct basic_block_def): Remove predictions
1436         field.
1437         * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
1438
1439 2007-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
1440
1441         PR target/31480
1442         * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
1443         is null.
1444
1445 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1446
1447         * timevar.c (timevar_print): Change reference of --disable-checking to
1448         --enable-checking=release.  Also warn if assert checking is disabled.
1449
1450 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1451
1452         PR C/30265
1453         * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
1454         decl as addressable if the compound literal was marked as
1455         addressable.
1456         Mark the decl as a gimple register if it is a complex or
1457         vector decl and does not live in memory.
1458
1459 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1460
1461         * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
1462         (GENERIC_NEXT): New function macro.
1463         (PHI_CHAIN): Use phi_node's new chain variable.
1464         (tree_phi_node): Change tree_common to tree_base
1465         and add the chain field.
1466         * tree-phinodes.c (make_phi_node): Don't set
1467         TREE_TYPE on the new node.
1468         * c-decl.c (lang_tree_node): Use GENERIC_NEXT
1469         instead of checking GIMPLE_TUPLE_P in chain_next.
1470         * tree-vect-transform.c
1471         (get_initial_def_for_induction): Look at
1472         PHI_RESULT_TREE for the type of the phi node.
1473         (update_vuses_to_preheader): Use PHI_CHAIN
1474         instead of TREE_CHAIN on the phi node.
1475         * tree-ssa-structalias.c (compute_points_to_sets):
1476         Likewise.
1477         (ipa_pta_execute): Likewise.
1478
1479 2007-04-21  Richard Guenther  <rguenther@suse.de>
1480
1481         PR middle-end/31136
1482         * fold-const.c (fold_unary): Call fold_convert_const on the
1483         original tree.
1484
1485 2007-04-21  Alexandre Oliva  <aoliva@redhat.com>
1486
1487         * gcse.c (store_killed_in_insn): Handle PARALLELs.
1488         (store_killed_in_pat): New.
1489
1490 2007-04-20  Richard Henderson  <rth@redhat.com>
1491
1492         PR target/31628
1493         * config/i386/i386.c (type_has_variadic_args_p): Look for any
1494         TREE_LIST with a void_type_node value, not void_list_node exactly.
1495
1496 2007-04-21  Douglas Gregor  <doug.gregor@gmail.com>
1497
1498         * doc/standards.texi: Re-arrange into language-specific
1499         subsections. Add a C++ section, documenting which standards we
1500         support.
1501
1502 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
1503
1504         * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
1505         * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
1506
1507 2007-04-20  Daniel Jacobowitz  <dan@codesourcery.com>
1508
1509         * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
1510         ecrti.o and crtbegin.o.
1511         (LIB_DEFAULT_SPEC): Include -lc.
1512         (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
1513
1514 2007-04-20  Richard Henderson  <rth@redhat.com>
1515
1516         PR target/28623
1517         * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
1518         argument; update all callers.
1519         (get_unaligned_offset): New.
1520         * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
1521         get_unaligned_address, just pass on the address directly.
1522         (unaligned_extendqidi): Use gen_lowpart instead of open-coding
1523         the subreg in the helper patterns.
1524         (unaligned_extendqidi_le): Use get_unaligned_offset.
1525         (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
1526         (unaligned_extendhidi_be): Likewise.
1527         (unaligned_extendhidi): Tidy.
1528         * config/alpha/alpha-protos.h: Update.
1529
1530 2007-04-20  Richard Henderson  <rth@redhat.com>
1531
1532         * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
1533         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
1534         * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
1535         * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1536         * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1537         (CPP_SPEC): Don't include %(cpp_subtarget).
1538         * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
1539         (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1540         * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
1541
1542 2007-04-20  Jakub Jelinek  <jakub@redhat.com>
1543
1544         * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
1545         for __builtin_ia32_cmpordss.
1546
1547         PR tree-optimization/31632
1548         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
1549         and arg1 for optimizations of comparison against min/max values.
1550         Fold arg0 to arg1's type for optimizations of comparison against
1551         min+1 and max-1 values.
1552
1553 2007-04-19  Bernd Schmidt  <bernd.schmidt@analog.com>
1554
1555         * reload.c (combine_reloads): When trying to use a dying register,
1556         check whether it's uninitialized and don't use if so.
1557
1558 2007-04-19  Brooks Moses  <brooks.moses@codesourcery.com>
1559
1560         * fold-const.c: Remove prototypes for native_encode_expr and
1561         native_interpret_expr.
1562         (native_encode_expr): Make non-static.
1563         (native_interpret_expr): Likewise.
1564         * tree.h: Add prototypes for the above.
1565
1566 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
1567
1568         * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
1569         *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
1570         *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
1571         spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
1572         tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
1573         Add length attributes.
1574
1575 2007-04-19  Janis Johnson  <janis187@us.ibm.com>
1576
1577         * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
1578         not that it is 1.
1579
1580         * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
1581         __STDC_WANT_DEC_FP__.
1582
1583 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
1584
1585         * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
1586         for long double compatibility.
1587         * configure: Regenerate.
1588
1589 2007-04-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
1590
1591         PR rtl-optimization/29841
1592         * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
1593         trap instructions.
1594         * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
1595         that may cause control flow transfer from being moved.
1596
1597 2007-04-18  Jan Hubicka  <jh@suse.cz>
1598
1599         * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
1600         types.
1601
1602 2007-04-18  Eric Christopher  <echristo@apple.com>
1603
1604         * config/rs6000/darwin.md (load_macho_picbase): Use link register
1605         only. Update operands.
1606         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
1607         * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
1608         link register to pic register.
1609
1610 2007-04-18  Dirk Mueller  <dmueller@suse.de>
1611
1612         PR diagnostic/31227
1613         * tree-vrp.c (search_for_addr_array): New.
1614         (check_array_bounds): Suppress warning about
1615         address taken of array refs if its not de-referenced.
1616
1617 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1618
1619         * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
1620         * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
1621
1622         * tree-vectorizer.h (NITERS_KNOWN_P): New.
1623         * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
1624         instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
1625
1626         * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
1627         dump print.
1628         (vect_analyze_operations): Fix indenetation.  Fix a comment.  Fix a
1629         print message.
1630         (vect_analyze_scalar_cycles): Fix indentation.
1631         (vect_enhance_data_refs_alignment): Fix check in case of peeling.
1632         (vect_mark_relevant): Include phis in relevance analysis.
1633
1634         * tree-vect-transform.c (vect_transform_loop): Add an assert.
1635
1636 2007-04-18  Anatoly Sokolov <aesok@post.ru>
1637
1638         * config/avr/avr.c (ptrreg_to_str): Replace error() with
1639         output_operand_lossage().
1640
1641 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1642
1643         * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
1644         the unused code for reduction without adjust-in-epilog to simplify the
1645         function.
1646
1647 2007-04-18  Wolfgang Gellerich  <gellerich@de.ibm.com>
1648
1649         * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
1650         (S390_TDC_NEGATIVE_ZERO): New constant.
1651         (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
1652         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
1653         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
1654         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
1655         (S390_TDC_POSITIVE_INFINITY): New constant.
1656         (S390_TDC_NEGATIVE_INFINITY): New constant.
1657         (S390_TDC_POSITIVE_QUIET_NAN): New constant.
1658         (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
1659         (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
1660         (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
1661         (S390_TDC_INFINITY): New constant.
1662         * config/s390/s390.c (s390_canonicalize_comparison): Renamed
1663         UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
1664         optimization for UNSPEC_CCZ_TO_INT.
1665         * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
1666         ("*ccz_to_int"): New insn.
1667         ("isinf<mode>2"): New insn.
1668         (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
1669         (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
1670         (UNSPEC_CCZ_TO_INT): New constant.
1671
1672 2007-04-18  Richard Guenther  <rguenther@suse.de>
1673
1674         PR tree-optimization/19431
1675         PR tree-optimization/21463
1676         * tree-pass.h (pass_phiprop): Declare.
1677         * passes.c (init_optimization_passes): New phiprop pass.
1678         * tree-ssa-forwprop.c (struct phiprop_d): New structure.
1679         (phivn_valid_p): New helper function.
1680         (phiprop_insert_phi): Likewise.
1681         (propagate_with_phi): Likewise.
1682         (tree_ssa_phiprop): New propagator propagating loads
1683         through phi nodes if profitable.
1684
1685 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1686
1687         * tree-vect-analyze.c (process_use): New function.
1688         (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
1689         Check phis in all bbs.
1690         * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
1691         assert.
1692
1693 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
1694
1695         * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
1696         we use REG_EQUAL.
1697
1698 2007-04-17  Anatoly Sokolov <aesok@post.ru>
1699
1700         PR target/30483
1701         * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
1702         error().
1703
1704 2007-04-17  H.J. Lu  <hongjiu.lu@intel.com>
1705
1706         * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
1707         on "0".
1708         (sse_vmmulv4sf3): Likewise.
1709         (sse2_vmaddv2df3): Likewise.
1710         (sse2_vmmulv2df3): Likewise.
1711
1712 2007-04-17  Zdenek Dvorak  <dvorakz@suse.cz>
1713
1714         PR rtl-optimization/31360
1715         * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
1716         (target_reg_cost): New.
1717         (init_set_costs): Initialize target_reg_cost.  Add comments
1718         regarding the rationale of the costs.
1719         (global_cost_for_size): Renamed to...
1720         (estimate_reg_pressure_cost): ... and simplify.  Decrease importance
1721         of register pressure.
1722         * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
1723         estimate_reg_pressure_cost.  Add number of ivs.
1724         (determine_set_costs): Dump target_reg_cost.
1725         * loop-invariant.c (gain_for_invariant):  Use
1726         estimate_reg_pressure_cost.  Removed n_inv_uses argument.
1727         (best_gain_for_invariant, find_invariants_to_move): Remove
1728         n_inv_uses.
1729         * cfgloop.h (target_small_cost, target_pres_cost): Removed.
1730         (target_reg_cost): Declare.
1731         (global_cost_for_size): Declaration removed.
1732         (estimate_reg_pressure_cost): Declare.
1733
1734 2007-04-17  Peter Bergner  <bergner@vnet.ibm.com>
1735
1736         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
1737         regnos into even/odd register pairs.
1738         * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
1739         TDmode similar to the other floating point modes.
1740         [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
1741         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
1742         define_expand's.
1743         (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
1744         nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
1745         (movdd_hardfloat64): Use TARGET_MFPGPR.
1746
1747 2007-04-17  Bernd Schmidt  <bernd.schmidt@analog.com>
1748
1749         * reload1.c (delete_output_reload): Don't count output in n_inherited.
1750
1751         Revert
1752         2005-01-05  Richard Henderson  <rth@redhat.com>
1753         PR rtl-opt/10692
1754         * reload1.c (do_input_reload): Restrict the optimization deleteing
1755         a previous output reload to RELOAD_FOR_INPUT.
1756
1757 2007-04-17  Dorit Nuzman  <dorit@il.ibm.com>
1758
1759         * tree-vectorizer.h (stmt_vec_info_type): Add enum value
1760         induc_vec_info_type.
1761         (vectorizable_induction): New function declaration.
1762         * tree-vect-transform.c (get_initial_def_for_induction): No need to
1763         check if already vectorized.  Find first place in BB where new stmts
1764         can be inserted.  Takes only one argument.
1765         (vectorizable_induction): New function.
1766         (vect_transform_stmt): Add case for induc_vec_info_type to call
1767         vectorizable_induction.
1768         (vect_transform_loop): Consider phis for vectorization.
1769         * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
1770         condition.
1771         (analyze_operations): Call vectorizable_induction when analyzing phis.
1772         Fix comment.
1773         (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
1774         (vect_mark_relevant): Include phis in relevance analysis.
1775         (vect_mark_stmts_to_be_vectorize): Likewise.
1776         * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
1777
1778 2007-04-16  Lawrence Crowl  <crowl@google.com>
1779
1780         * doc/invoke.texi (Debugging Options): Add documentation for the
1781         -femit-struct-debug options -femit-struct-debug-baseonly,
1782         -femit-struct-debug-reduced, and
1783         -femit-struct-debug-detailed[=...].
1784
1785         * c-opts.c (c_common_handle_option): Add
1786         OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
1787         and OPT_femit_struct_debug_detailed_.
1788         * c.opt: Add specifications for
1789         -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
1790         and -femit-struct-debug-detailed[=...].
1791         * opts.c (set_struct_debug_option): Parse the
1792         -femit-struct-debug-... options.
1793         * opts.c (matches_main_base, main_input_basename,
1794         main_input_baselength, base_of_path, matches_main_base): Add
1795         variables and functions to compare header base name to compilation
1796         unit base name.
1797         * opts.c (should_emit_struct_debug): Add to determine to emit a
1798         structure based on the option.
1799         (dump_struct_debug) Also disabled function to debug this
1800         function.
1801         * opts.c (handle_options): Save the base name of the
1802         compilation unit.
1803
1804         * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
1805         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
1806         This hook indicates if a type is generic.  Set it by default
1807         to "never generic".
1808         * langhooks.h (struct lang_hooks_for_types): Add a new hook
1809         to determine if a struct type is generic or not.
1810         * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
1811         * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
1812         * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
1813         with live C++ hook.
1814
1815         * flags.h (enum debug_info_usage): Add an enumeration to describe
1816         a program's use of a structure type.
1817         * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
1818         to indicate the program's usage of the type.  Filter structs based
1819         on the -femit-struct-debug-... specification.
1820         (gen_type_die): Split into two routines, gen_type_die and
1821         gen_type_die_with_usage.  gen_type_die is now a wrapper
1822         that assumes direct usage.
1823         (gen_type_die_with_usage): Replace calls to gen_type_die
1824         with gen_type_die_with_usage adding the program usage of
1825         the referenced type.
1826         (dwarf2out_imported_module_or_decl): Suppress struct debug
1827         information using should_emit_struct_debug when appropriate.
1828
1829 2007-04-16  Ian Lance Taylor  <iant@google.com>
1830
1831         PR tree-optimization/31522
1832         * tree-vrp.c (vr_phi_edge_counts): New static variable.
1833         (vrp_initialize): Allocate vr_phi_edge_counts.
1834         (vrp_visit_phi_node): Don't push to infinity if we saw a new
1835         executable edge.  Drop test for all constants.
1836         (vrp_finalize): Free vrp_phi_edge_counts.
1837
1838         * doc/cpp.texi (Common Predefined Macros): Clarify description of
1839         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
1840
1841         * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
1842         predecessors at head rather than tail.
1843
1844 2007-04-16  Matthias Klose  <doko@debian.org>
1845
1846         * config/alpha/linux.h (CPP_SPEC): Define.
1847         * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
1848
1849 2007-04-16  Aldy Hernandez  <aldyh@redhat.com>
1850
1851         * function.h: Remove sequence_stack extern declaration.
1852
1853 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
1854
1855         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
1856         TARGET_FIDOA.
1857         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
1858         defined.
1859
1860 2007-04-16  Anatoly Sokolov <aesok@post.ru>
1861
1862         * config/avr/avr.c (avr_arch_types): Rearranging  array.
1863         (enum avr_arch): Add.
1864         (avr_mcu_types): Use avr_arch enumeration constants instead of
1865         numbers.
1866         * config/avr/avr.h (LINK_SPEC): Simplify.
1867
1868 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
1869
1870         * config/m68k/m68k.c (m68k_libcall_value,
1871         m68k_function_value): Use macros for register names more.
1872
1873         * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
1874         instead.
1875         (M68K_REGNAME): Use A6_REG.
1876         * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
1877
1878 2007-04-16  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
1879
1880         PR middle-end/28071
1881         * sched-int.h (struct deps): Split field 'pending_lists_length' into
1882         'pending_read_list_length' and 'pending_write_list_length'.  Update
1883         comment.
1884         * sched-deps.c (add_insn_mem_dependence): Change signature.  Update
1885         to handle two length counters instead of one.  Update all uses.
1886         (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
1887         two length counters instead of one.
1888         * sched-rgn.c (propagate_deps): Update to handle two length counters
1889         instead of one.
1890
1891 2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>
1892
1893         PR target/31582
1894         * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
1895         copy of source, pass it to ix86_expand_vector_set and return
1896         it as target.
1897
1898 2007-04-16  David Ung  <davidu@mips.com>
1899             Joseph Myers  <joseph@codesourcery.com>
1900
1901         * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
1902         PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
1903         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
1904         Add 74K processor information.
1905         * config/mips/mips.md: Include 74k.md.
1906         (cpu): Add 74kc,74kf,74kx.
1907         (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
1908         * config/mips/74k.md: New.
1909         * doc/invoke.texi (MIPS Options): Document 74K support.
1910
1911 2007-04-16  Dorit Nuzman  <dorit@il.ibm.com>
1912
1913         * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
1914         vectorizable_* functions.
1915         * tree-vect-transform.c (vectorizable_call): Add check for
1916         STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
1917         (vectorizable_store): likewise.
1918         (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
1919         Add comments.
1920         (vectorizable_operation, vectorizable_type_demotion): Likewise.
1921         (vectorizable_type_promotion, vectorizable_load): Likewise.
1922         (vectorizable_live_operation, vectorizable_condition): Likewise.
1923         (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
1924         STMT_VINFO_LIVE_P.
1925         (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
1926
1927 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1928
1929         * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
1930         register numbers more.
1931         * config/m68k/m68k.h (STACK_POINTER_REGNUM,
1932         FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
1933         M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
1934         FUNCTION_VALUE_REGNO_P): Likewise.
1935         * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
1936         STATIC_CHAIN_REGNUM): Likewise.
1937         * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
1938         * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
1939         STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
1940         * config/m68k/m68k.md (FP_REG): New.
1941
1942 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1943
1944         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
1945         alignment on fido.
1946
1947 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1948
1949         * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
1950         tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
1951         comment typos.
1952
1953 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
1954
1955         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
1956         cold loops.
1957
1958 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1959
1960         PR c/31520
1961         * c-decl.c (finish_decl): Grab the type of the decl after the call
1962         to store_init_value.
1963
1964 2007-04-14  Steven Bosscher  <steven@gcc.gnu.org>
1965
1966         * common.opt (fforward-propagate): Fix "Optimization" annotation.
1967
1968 2007-04-14  Jakub Jelinek  <jakub@redhat.com>
1969
1970         PR c++/25874
1971         * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
1972         post dominators and cleanup cfg before returning.
1973
1974 2007-04-14  Bernd Schmidt  <bernd.schmidt@analog.com>
1975
1976         * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
1977         * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
1978
1979 2007-04-14  Kazu Hirata  <kazu@codesourcery.com>
1980
1981         * config.gcc: Recognize fido.
1982         * config/m68k/m68k-devices.def (fidoa): New.
1983         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
1984         __mfido__.
1985         (FL_FIDOA, TARGET_FIDOA): New.
1986         * config/m68k/m68k.opt (mfidoa): New.
1987
1988 2007-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1989
1990         PR middle-end/31322
1991         * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
1992         when a personality function is used.
1993
1994 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
1995
1996         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
1997
1998 2007-04-13  Mike Stump  <mrs@apple.com>
1999
2000         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
2001         we can...
2002         * config/darwin.opt (fapple-kext): Make C++ only.
2003         * config/darwin.c (darwin_override_options): Remove code to ensure
2004         -fapple-kext is given for C++ only.
2005
2006 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
2007
2008         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
2009         * config/mips/mips.c (override_options): Call
2010         SUBTARGET_OVERRIDE_OPTIONS, if defined.
2011
2012 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
2013
2014         * config/i386/i386.opt (msvr3-shlib): Removed.
2015
2016         * doc/invoke.texi: Remove -msvr3-shlib.
2017
2018 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
2019
2020         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
2021         with "popcnt" instruction.
2022
2023 2007-04-13  Richard Guenther  <rguenther@suse.de>
2024
2025         PR tree-optimization/21258
2026         * tree-vrp.c (compare_case_labels): New helper.
2027         (find_switch_asserts): New function.
2028         (find_assert_locations): Call it for SWITCH_EXPRs.
2029
2030 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
2031
2032         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
2033         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
2034         check is now implied in X87_FLOAT_MODE_P.
2035         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
2036         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
2037         (fix_trunc<mode>_i386_fisttp): Ditto.
2038         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
2039         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
2040         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
2041         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
2042         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
2043         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
2044         (unnamed_splitters): Ditto.
2045         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
2046         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
2047         FIRST_SSE_REG for local functions when SSE math is enabled or
2048         for functions with sseregparm attribute.
2049         (standard_80387_constant_p): Return -1 if mode is not
2050         X87_FLOAT_MODE_P.
2051         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
2052         (ix86_expand_compare): Ditto.
2053         (ix86_expand_carry_flag_compare): Ditto.
2054         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
2055         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
2056         DECIMAL_FLOAT_MODE_P.
2057         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
2058         of SCALAR_FLOAT_MODE_P.
2059         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
2060         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
2061         checks before FLOAT_MODE_P.
2062         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
2063         before FLOAT_MODE_P.
2064         [DIV]: Ditto.
2065         [NEG]: Ditto.
2066         [ABS]: Ditto.
2067         [SQRT]: Ditto.
2068         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
2069
2070 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
2071             Charles Wilson  <libtool@cwilson.fastmail.fm>
2072
2073         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
2074         (libgcc.mvars): Don't depend on them.
2075         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
2076         * exec-tool.in: New.
2077
2078 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
2079
2080         * doc/invoke.text (--help): Document --help=common.
2081
2082 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
2083
2084         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
2085
2086 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2087
2088         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
2089         * genemit.c (main): Emit #include "integrate.h".
2090         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
2091         (LOADGP_RTP): New mips_loadgp_style.
2092         * config/mips/mips.h: Include config/vxworks-dummy.h.
2093         (TARGET_RTP_PIC): New macro.
2094         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
2095         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
2096         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
2097         for TARGET_RTP_PIC.
2098         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
2099         -mvxworks-pic when using -mrtp and a PIC option.
2100         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
2101         for RTP PIC.
2102         (mips_symbolic_constant_p, mips_symbolic_address_p)
2103         (mips_symbol_insns): Handle SYMBOL_HALF.
2104         (override_options): Warn about -G and -mrtp being used together.
2105         Initialize mips_lo_relocs[SYMBOL_HALF].
2106         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
2107         (mips_emit_loadgp): Handle LOADGP_RTP.
2108         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
2109         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
2110         (tablejump): Handle function-relative case table entries if
2111         TARGET_RTP_PIC.
2112         * config/mips/predicates.md (symbol_ref_operand): New predicate.
2113
2114 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2115
2116         * config/mips/mips.md (load_call<mode>): Allow any general register.
2117         destination.
2118         (sibcall_value_internal, sibcall_value_multiple_internal)
2119         (call_value_internal, call_value_split, call_value_multiple_internal)
2120         (call_value_multiple_split): Remove constraints from operand 0.
2121
2122 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2123
2124         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
2125         rather than loadgp_noshared.
2126         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
2127         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
2128         gen_loadgp.
2129         * config/mips/mips.md (loadgp): Rename to...
2130         (loadgp_newabi): ...this.
2131         (loadgp_noshared): Rename to...
2132         (loadgp_absolute): ...this.
2133
2134 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2135
2136         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
2137         false for locally-binding symbols.
2138         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
2139
2140 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2141
2142         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
2143         (SYMBOL_GOT_PAGE_OFST): ...this.
2144         (SYMBOL_GOT_GLOBAL): Rename to...
2145         (SYMBOL_GOT_DISP): ...this.
2146         (SYMBOL_GOTOFF_GLOBAL): Rename to...
2147         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
2148         * config/mips/mips.c (mips_global_symbol_p): New function.
2149         (mips_symbol_binds_local_p): Likewise.
2150         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
2151         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use mips_global_symbol_p
2152         and mips_symbol_binds_local_p.
2153         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
2154         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
2155         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
2156         SYMBOL_GOTOFF_DISP.
2157         (mips_ok_for_lazy_binding_p): New function.
2158         (mips_load_call_address, mips_expand_call): Use it.
2159         (mips_dangerous_for_la25_p): Likewise.
2160         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
2161         (*got_disp<mode>): Use got_disp_operand instead of
2162         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
2163         SYMBOL_GOTOFF_GLOBAL.
2164         (*got_page<mode>): Use got_page_ofst_operand instead of
2165         local_got_operand.
2166         * config/mips/predicates.md (const_call_insn_operand): Use
2167         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
2168         (global_got_operand): Rename to...
2169         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
2170         SYMBOL_GOT_GLOBAL.
2171         (local_got_operand): Rename to...
2172         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
2173         of SYMBOL_GOT_LOCAL.
2174
2175 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2176
2177         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
2178         TARGET_CALL_CLOBBERED_GP.
2179         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2180         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
2181         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
2182         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
2183         of TARGET_ABICALLS && !TARGET_NEWABI.
2184         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2185         * config/mips/mips.c (mips_load_call_address): Check
2186         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
2187         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2188         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
2189         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
2190         TARGET_ABICALLS && TARGET_NEWABI.
2191         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
2192         TARGET_ABICALLS.
2193         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
2194         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
2195         TARGET_ABICALLS && TARGET_NEWABI.
2196         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
2197         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
2198         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
2199         whether indirect calls must use $25.
2200         (mips_extra_live_on_entry): Check TARGET_GOT instead of
2201         TARGET_ABICALLS.
2202         * config/mips/mips.md (jal_macro): Check flag_pic and
2203         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
2204         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
2205         instead of TARGET_ABICALLS.
2206         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
2207         TARGET_ABICALLS && TARGET_OLDABI.
2208         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2209         (sibcall): In the comment above the define_insn, mention
2210         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
2211         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
2212         instead of TARGET_ABICALLS.
2213
2214 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
2215
2216         * doc/md.texi (Blackfin family constraints): Document PA and PB.
2217         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
2218         (MACFLAGS_MATCH_P): New macro.
2219         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
2220         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
2221         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
2222         the other MACFLAG constants.
2223         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
2224         (flag_machi): Tighten constraints.  Renumber some of the operands.
2225         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
2226         output template.
2227         (flag_machi_parts_acconly): New pattern.
2228         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
2229         used.
2230         (flag_macinit1hi): Tighten constraints.
2231         (flag_mul_macv2hi_parts_acconly): New pattern.
2232
2233         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
2234         Use a more efficient implementation.
2235         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
2236         inline sequences when not optimizing for size.
2237
2238         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
2239         movhi_high2low): Delete, merge functionality into...
2240         (packv2hi): ... this pattern.
2241
2242         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
2243         * config/bfin/bfin.opt (msim): New option.
2244         (mcpu=): New option.
2245         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
2246         (bfin_cpu_t): Typedef of enum bfin_cpu.
2247         (bfin_cpu_type): New declaration.
2248         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
2249         -msim and -mcpu= options.
2250         (LIB_SPEC): Likewise.
2251         * config/bfin/bfin.c (bfin_cpu_type): Define.
2252         (bfin_handle_option): Handle -mcpu= option.
2253         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
2254         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
2255         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
2256
2257 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2258
2259         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
2260         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
2261         (powerpc-wrs-vxworksae): Use ${tm_file}.
2262         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
2263         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
2264         * config/i386/vx-common.h: New file.
2265
2266 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2267
2268         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
2269         of crt0.o%s.
2270
2271 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2272
2273         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
2274         ldxtr.
2275
2276 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
2277
2278         PR c++/31078
2279         PR c++/31103
2280         * c-common.c (c_build_qualified_type): Set canonical type
2281         appropriately.
2282
2283 2007-04-12  Richard Guenther  <rguenther@suse.de>
2284
2285         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
2286         lower bound and element size if lower bound is not zero
2287         or either of the ARRAY_REF operands is set.
2288
2289 2007-04-12  Richard Guenther  <rguenther@suse.de>
2290
2291         PR tree-optimization/24689
2292         PR tree-optimization/31307
2293         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
2294         indices by value.
2295         * gimplify.c (canonicalize_addr_expr): To be consistent with
2296         gimplify_compound_lval only set operands two and three of
2297         ARRAY_REFs if they are not gimple_min_invariant.  This makes
2298         it never at this place.
2299         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
2300
2301 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2302
2303         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
2304         null before emitting a .nsubspa directive.
2305
2306 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
2307
2308         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
2309         need_to_partition_p if there are no memory statements in the
2310         function.
2311
2312 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
2313
2314         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
2315         (gcd_of_steps_may_divide_p): New function.
2316         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
2317
2318 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2319
2320         * reload.c (find_reloads_toplev, find_reloads_address,
2321         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
2322         not a pointer equality test, to decide if we need to call
2323         push_reg_equiv_alt_mem.
2324
2325 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
2326
2327         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
2328         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
2329         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
2330
2331 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
2332
2333         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
2334         vector to be positive.
2335
2336 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
2337
2338         PR 30735
2339         PR 31090
2340         * doc/invoke.texi: Document --params max-aliased-vops and
2341         avg-aliased-vops.
2342         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
2343         debug_memory_partitions): Move to tree-flow.h
2344         * params.h (AVG_ALIASED_VOPS): Define.
2345         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
2346         users.
2347         (mp_info_t): Likewise.
2348         (get_mem_sym_stats_for): New.
2349         (set_memory_partition): Move from tree-flow-inline.h.
2350         (mark_non_addressable): Only clear the set of symbols for the
2351         partition if it exists.
2352         (dump_memory_partitions): Move from tree-ssa-operands.c
2353         (debug_memory_partitions): Likewise.
2354         (need_to_partition_p): New.
2355         (dump_mem_ref_stats): New.
2356         (debug_mem_ref_stats): New.
2357         (dump_mem_sym_stats): New.
2358         (debug_mem_sym_stats): New.
2359         (update_mem_sym_stats_from_stmt): New.
2360         (compare_mp_info_entries): New.
2361         (mp_info_cmp): Call it.
2362         (sort_mp_info): Change argument to a list of mem_sym_stats_t
2363         objects.
2364         (get_mpt_for): Move from tree-ssa-operands.c.
2365         (find_partition_for): New.
2366         (create_partition_for): Remove.
2367         (estimate_vop_reduction): New.
2368         (update_reference_counts): New.
2369         (build_mp_info): New.
2370         (compute_memory_partitions): Refactor.
2371         Document new heuristic.
2372         Call build_mp_info, update_reference_counts,
2373         find_partition_for and estimate_vop_reduction.
2374         (compute_may_aliases): Populate virtual operands before
2375         calling debugging dumps.
2376         (delete_mem_sym_stats): New.
2377         (delete_mem_ref_stats): New.
2378         (init_mem_ref_stats): New.
2379         (init_alias_info): Call it.
2380         (maybe_create_global_var): Remove alias_info argument.
2381         Get number of call sites and number of pure/const call sites
2382         from gimple_mem_ref_stats().
2383         (dump_alias_info): Call dump_memory_partitions first.
2384         (dump_points_to_info_for): Show how many times a pointer has
2385         been dereferenced.
2386         * opts.c (decode_options): For -O2 set --param
2387         max-aliased-vops to 500.
2388         For -O3 set --param max-aliased-vops to 1000 and --param
2389         avg-aliased-vops to 3.
2390         * fortran/options.c (gfc_init_options): Remove assignment to
2391         MAX_ALIASED_VOPS.
2392         * tree-flow-inline.h (gimple_mem_ref_stats): New.
2393         * tree-dfa.c (dump_variable): Dump memory reference
2394         statistics.
2395         Dump NO_ALIAS* settings.
2396         (referenced_var_lookup): Tidy.
2397         (mem_sym_stats): New.
2398         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
2399         and ORIG are different SSA names for a memory partition.
2400         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
2401         * tree-flow.h (struct mem_sym_stats_d): Define.
2402         (mem_sym_stats_t): Define.
2403         (struct mem_ref_stats_d): Define.
2404         (struct gimple_df): Add field mem_ref_stats.
2405         (enum noalias_state): Define.
2406         (struct var_ann_d): Add bitfield noalias_state.
2407         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
2408         debug_mem_ref_stats, debug_memory_partitions,
2409         debug_mem_sym_stats): Declare.
2410         * tree-ssa-structalias.c (update_alias_info): Update call
2411         sites, pure/const call sites and asm sites in structure
2412         returned by gimple_mem_ref_stats.
2413         Remove local variable IS_POTENTIAL_DEREF.
2414         Increase NUM_DEREFS if the memory expression is a potential
2415         dereference.
2416         Call update_mem_sym_stats_from_stmt.
2417         If the memory references memory, call
2418         update_mem_sym_stats_from_stmt for all the direct memory
2419         symbol references found.
2420         (intra_create_variable_infos): Set noalias_state field for
2421         pointer arguments according to the value of
2422         flag_argument_noalias.
2423         * tree-ssa-structalias.h (struct alias_info): Remove fields
2424         num_calls_found and num_pure_const_calls_found.
2425         (update_mem_sym_stats_from_stmt): Declare.
2426         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
2427         Set default value to 100.
2428         (PARAM_AVG_ALIASED_VOPS): Define.
2429
2430 2007-04-11  Richard Guenther  <rguenther@suse.de>
2431
2432         PR middle-end/31530
2433         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
2434         a * -b + c as c - a * b if we honor sign dependent rounding.
2435
2436 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2437
2438         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
2439         bfin_expand_strmov.
2440         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
2441         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
2442         variables.
2443         (initialize_trampoline): Don't use old-style function definition.
2444         (bfin_secondary_reload): Mark IN_P argument as unused.
2445
2446 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
2447
2448         PR tree-optimization/31343
2449         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
2450         (build_polynomial_chrec): Return a scalar when the evolution is zero.
2451         * testsuite/gcc.dg/vect/pr31343.c: New.
2452
2453 2007-04-10  Eric Christopher  <echristo@apple.com>
2454
2455         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
2456         * config/i386/i386.md (*cmpfp0): Use.
2457         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
2458         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
2459         (fix_trunc<mode>_i386_fisttp): Ditto.
2460         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
2461         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
2462         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
2463         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
2464         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
2465         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
2466         (unnamed_splitters): Ditto.
2467         * config/i386/i386.c (output_fix_trunc): Assert that
2468         we're not being passed a TFmode operand.
2469
2470 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
2471
2472         PR tree-optimization/31526
2473         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
2474         n_basic_blocks to find newly added blocks.
2475
2476 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
2477
2478         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
2479         alternative.
2480         (fix_trunc<mode>si_sse): Ditto.
2481         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
2482         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
2483         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
2484         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
2485         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
2486         expander using SSEMODEF mode macro.
2487         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
2488         expander using SSEMODEF mode macro.
2489         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
2490         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
2491         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
2492         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
2493         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
2494         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
2495         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
2496         Macroize insn using X87MODEF mode macro.
2497
2498 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
2499
2500         * config/i386/sse.md (sse2_pinsrw): Removed.
2501         (sse2_pextrw): Renamed to ...
2502         (*sse2_pextrw): This.
2503
2504 2007-04-09  Jan Hubicka  <jh@suse.cz>
2505
2506         PR target/27869
2507         * config/i386/sse.md
2508         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
2509         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
2510         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
2511         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
2512
2513 2007-04-09  Jan Hubicka  <jh@suse.cz>
2514
2515         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
2516         multiple fields of union.
2517
2518 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
2519
2520         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
2521         (create_preheaders): Check that loops are available.
2522         (fix_loop_structure): Clean up, improve comments.
2523         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
2524         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
2525         state flags.
2526         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
2527         * predict.c (tree_estimate_probability): Do not call
2528         calculate_dominance_info.  Call create_preheaders.
2529         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
2530         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
2531         flags.
2532         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
2533         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
2534         * tree-cfg.c (tree_split_edge): Make an assert more precise.
2535         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
2536         arguments.
2537
2538 2007-04-08  Jan Hubicka  <jh@suse.cz>
2539
2540         * tree.h (maybe_fold_offset_to_component_ref): Declare.
2541         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
2542         * fold-const.c (fold_unary): Use it.
2543
2544 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2545
2546         * varasm.c (assemble_variable): Remove call to
2547         lang_hooks.decls.prepare_assemble_variable.
2548         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
2549         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
2550         * langhooks.h (lang_hooks_for_decls): Remove
2551         prepare_assemble_variable.
2552
2553 2007-04-08  Mike Stump  <mrs@apple.com>
2554
2555         * config/i386/i386.c: Use inc/dec on Core2.
2556
2557 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
2558
2559         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
2560         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
2561         lhd_tree_inlining_end_inlining): Remove.
2562         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
2563         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
2564         end_inlining hooks.
2565         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
2566         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
2567         lhd_tree_inlining_end_inlining): Remove prototypes.
2568         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
2569         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
2570         LANG_HOOKS_TREE_INLINING_START_INLINING,
2571         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
2572
2573         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
2574         not set it.
2575
2576 2007-04-08  Anatoly Sokolov <aesok@post.ru>
2577
2578         PR target/29932
2579         * config/avr/predicates.md (io_address_operand): Delete predicate.
2580         (low_io_address_operand): Don't use 'mode' argument.
2581         (higth_io_address_operand): Rename ...
2582         (high_io_address_operand): ... to this. Don't use 'mode' argument.
2583         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
2584         for above change.
2585
2586 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
2587
2588         Revert change removing staticp.
2589
2590 2007-04-07  Anatoly Sokolov <aesok@post.ru>
2591
2592         PR target/30289
2593         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
2594         earlyclobber.
2595
2596 2007-04-07  Bruce Korb  <bkorb@gnu.org>
2597
2598         * c.opt: Add -Wformat-contains-nul.
2599         * c-format.c (set_Wformat):  Set warn_format_contains_nul to the
2600           -Wformat setting.
2601         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
2602         the NUL byte warning.
2603
2604 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
2605
2606         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
2607
2608 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
2609
2610         * tree.c (staticp): No longer use staticp langhook.
2611         * langhooks.c (lhd_staticp): Removed.
2612         * langhooks.h (struct lang_hooks): Remove staticp.
2613         * c-common.c (c_staticp): Remove.
2614         * c-common.h (c_staticp): Ditto.
2615         * langhooks-defs.h (lhd_staticp): Ditto.
2616         (LHD_HOOKS_STATICP): Ditto
2617         * tree.h (gcc_assert_lowered): New macro.
2618
2619 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
2620
2621         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
2622         argument "reliable".
2623         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
2624         Add argument "reliable".  Propagate it through calls.
2625         (infer_loop_bounds_from_undefined):  Derive number of iterations
2626         estimates from references in blocks that do not dominate loop latch.
2627         (gcov_type_to_double_int): New function.
2628         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
2629         and expected_loop_iterations_unbounded.
2630         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
2631         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
2632         * tree-data-ref.c (estimated_loop_iterations): Export.
2633         (get_references_in_stmt): Fix -- do not return addresses of local
2634         objects.
2635         * cfgloop.h (expected_loop_iterations_unbounded,
2636         estimated_loop_iterations): Declare.
2637
2638 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
2639
2640         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
2641
2642 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
2643
2644         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
2645         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
2646         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
2647         Use output_387_reg_move().
2648         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
2649         expander using X87MODEF12 mode macro.
2650         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
2651         choosing register preferences.  Use output_387_reg_move().
2652         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
2653         instead of "x".  Use output_387_reg_move().
2654         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
2655         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
2656         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
2657         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
2658         Use output_387_reg_move().
2659         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
2660         mode macro.
2661         (*truncxf?f_i387 splitter): Ditto.
2662
2663 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
2664
2665         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
2666         LANG_HOOKS_SAFE_FROM_P.
2667         * expr.c (safe_from_p): Remove langhook call.
2668         * langhooks.h (lang_hooks): Remove safe_from_p.
2669         (lhd_safe_from_p): Remove prototype.
2670         * langhooks.c (lhd_safe_from_p): Remove.
2671
2672 2007-04-06  Jan Hubicka  <jh@suse.cz>
2673
2674         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
2675         functions.
2676
2677 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
2678
2679         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
2680         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
2681         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
2682         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
2683         alternative.
2684         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
2685         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
2686
2687 2007-04-05  Richard Henderson  <rth@redhat.com>
2688
2689         * config/alpha/alpha.c (print_operand) [+]: Remove.
2690         (alpha_end_function): Print nop if call at end of function.
2691         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
2692         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
2693         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
2694         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
2695         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
2696         the call pattern. Update peepholes to match.
2697
2698 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
2699
2700         * doc/extend.texi (Other Builtins): Add decimal float variants
2701         of signbit.
2702         * builtins.def: Ditto.
2703         * builtins.c (expand_builtin): Ditto.
2704
2705 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
2706             H.J. Lu  <hongjiu.lu@intel.com>
2707
2708         PR target/31478
2709         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
2710         of V8HImode when calling ix86_binary_operator_ok.
2711         (sse2_pmaddwd): Call ix86_binary_operator_ok.
2712         (sdot_prodv8hi): Operands 1 and 2 must be register.
2713
2714 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2715
2716         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
2717         initialize align to silence bogus warning.
2718
2719 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2720
2721         PR middle-end/22156
2722         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
2723         all_no_warning.
2724         (struct sra_walk_fns): Remove use_all parameter from use.
2725         (sra_hash_tree): Handle BIT_FIELD_REFs.
2726         (sra_elt_hash): Don't hash bitfld blocks.
2727         (sra_elt_eq): Skip them in parent compares as well.  Handle
2728         BIT_FIELD_REFs.
2729         (sra_walk_expr): Don't maintain or pass down use_all_p.
2730         (scan_use): Remove use_all parameter.
2731         (scalarize_use): Likewise.  Re-expand assignment to
2732         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
2733         output, and re-scalarize after output.  Don't mark anything
2734         for no warning.
2735         (scalarize_ldst): Adjust.
2736         (scalarize_walk_gimple_modify_statement): Likewise.
2737         (build_element_name_1): Handle BIT_FIELD_REFs.
2738         (instantiate_element): Don't warn for any element whose parent
2739         is used as a whole.
2740         (instantiate_missing_elements_1): Return the sra_elt.
2741         (canon_type_for_field): New.
2742         (try_instantiate_multiple_fields): New.
2743         (instantiate_missing_elemnts): Use them.
2744         (mark_no_warning): Removed.
2745         (generate_one_element_ref): Handle BIT_FIELD_REFs.
2746         (REPLDUP, sra_build_elt_assignment): New.
2747         (generate_copy_inout): Use them.
2748         (generate_element_copy): Likewise.  Handle bitfld differences.
2749         (generate_element_zero): Don't recurse for blocks.  Use
2750         sra_build_elt_assignment.
2751         (generate_one_element_int): Take elt instead of var.  Use
2752         sra_build_elt_assignment.
2753         (generate_element_init_1): Adjust.
2754         (scalarize_use, scalarize_copy): Use REPLDUP.
2755         (scalarize_ldst): Move assert before dereference.
2756         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
2757
2758 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
2759
2760         * regmove.c: Fix unused variable warnings due to previous commit.
2761
2762 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
2763
2764         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
2765         (regmove_bb_head): Remove.
2766         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
2767         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
2768         problems with fixup_match_1.
2769         Don't initialize/free regmove_bb_head.
2770
2771         (reg_is_remote_constant_p): If an insn is in the same basic block
2772         but not before INSN, consider it remote, too.
2773
2774 2007-04-05  Anatoly Sokolov <aesok@post.ru>
2775
2776         PR target/25448
2777         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
2778         DECL_ASSEMBLER_NAME, not the DECL_NAME.
2779
2780 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
2781
2782         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
2783         (CONDITIONAL_REGISTER_USAGE): Likewise.
2784
2785 2007-04-04  Richard Henderson  <rth@redhat.com>
2786
2787         * config/alpha/lib1funcs.asm: Remove unused file.
2788
2789 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2790
2791         PR other/31356
2792         * opts.c (print_specific_help): Fix --help=<language>
2793         header line.
2794         (common_handle_option): Support --help=common.
2795
2796 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2797
2798         PR other/31353
2799         * gcc.c (main): Do not run the linker if
2800         print_subprocess_help indicates that it shouldn't be
2801         run.
2802
2803 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2804
2805         PR doc/31355
2806         * doc/invoke.texi (--help=): Document <languages> value, fix
2807         formatting in tables of values.
2808
2809 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
2810
2811         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
2812         dllimport attribute of virtual methods.
2813
2814 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
2815
2816         * config/score/crti.asm: Change _bss_start to __bss_start.
2817         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
2818         (OUTGOING_REG_PARM_STACK_SPACE) update.
2819         * config/score/score.opt: add options to make backend support
2820         score5, score5u, score7 and score7d.
2821         * config/score/score.md: Likewise.
2822         * config/score/misc.md: Likewise.
2823         * config/score/mac.md: Likewise.
2824         * doc/invoke.texi: Likewise.
2825         * doc/md.texi: update constraints define.
2826
2827 2007-04-03  Richard Henderson  <rth@redhat.com>
2828
2829         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
2830         an appropriate type, use the mode instead.
2831
2832 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
2833
2834         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
2835         Set the default --with-arch setting to mips2.
2836         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
2837         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
2838         (MULTILIB_OSDIRNAMES): Delete.
2839         (MULTILIB_DIRNAMES): Define.
2840         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
2841         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
2842         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
2843         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
2844         VXWORKS_OS_CPP_BUILTINS.
2845         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
2846         (MIPS_DEBUGGING_INFO): Undefine.
2847         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
2848
2849 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
2850
2851         PR middle-end/30704
2852         * fold-const.c (native_encode_real): Encode real.c provided longs
2853         as a series of 32-bit native integers.
2854         (native_interpret_real): Interpret buffer as a series of 32-bit
2855         native integers.
2856
2857 2007-04-03  Richard Guenther  <rguenther@suse.de>
2858
2859         * genpreds.c (write_insn_constraint_len): Write function
2860         optimized for CONSTRAINT_LEN implementation.
2861         (write_tm_preds_h): Output insn_constraint_len inline and
2862         use it for CONSTRAINT_LEN.
2863         (write_insn_preds_c): Don't output insn_constraint_len.
2864         * doc/md.texi (define_register_constraint): Document multi-letter
2865         constraints shall have the same length if they start with the same
2866         letter.
2867
2868 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
2869
2870         PR target/31175
2871         * config/i386/i386.md (isinf<mode>2): Expand only when
2872         TARGET_C99_FUNCTIONS is set.
2873
2874 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
2875
2876         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
2877         (x86_64-*-linux*): Ditto.
2878         * config/i386/i386.opt (mpc): New option.
2879         * config/i386/i386.c (overrride_options): Handle
2880         ix87_precision_string.
2881         * config/i386/crtprec.c: New file.
2882         * config/i386/t-crtpc: Ditto.
2883         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
2884         and -mpc80 options.
2885         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
2886         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
2887         crtprec32.o, crtprec64.o and crtprec80.o.
2888
2889         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
2890         and -mpc80 options.
2891         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
2892
2893 2007-04-02  Eric Christopher  <echristo@apple.com>
2894
2895         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
2896         limitations on darwin.
2897
2898 2007-04-02  Anatoly Sokolov <aesok@post.ru>
2899
2900         PR target/31137
2901         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
2902
2903 2007-04-02  Dave Korn  <dave.korn@artimi.com>
2904
2905         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
2906
2907 2007-04-02  Dave Korn  <dave.korn@artimi.com>
2908
2909         * libgcc2.h (exception_descriptor): Don't forward-declare.
2910         (__get_eh_table_language, __get_eh_table_version): Delete
2911         prototypes of long-dead functions.
2912
2913 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
2914
2915         * ebitmap.h: New file
2916         * ebitmap.c: New file
2917         * Makefile.in (ebitmap.o): New target.
2918
2919 2007-04-01  Jan Hubicka  <jh@suse.cz>
2920
2921         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
2922         before very first instruction.
2923
2924 2007-04-01  Jan Hubicka  <jh@suse.cz>
2925
2926         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
2927         waring on 64bit hosts.
2928         * bitmap.h: Fix typo in bitmap_head_def.
2929
2930 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
2931
2932         PR rtl-optimization/31391
2933         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
2934         into a DELETED_LABEL note, and the label is in an empty basic
2935         block, update BB_END as well as BB_HEAD.
2936
2937 2007-04-01  Richard Henderson  <rth@redhat.com>
2938
2939         PR tree-optimization/31169
2940         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
2941         to varying if the range is outside [0,  prec-1].
2942
2943 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
2944
2945         PR target/31388
2946         * config/mips/mips.md (load_const_gp): New insn.
2947         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
2948         the MIPS16 GP pseudo register if no_new_pseudos.
2949         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
2950
2951 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2952
2953         PR target/31364
2954         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
2955         secureplt.
2956         (call_value): Likewise.
2957
2958 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
2959             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2960
2961         PR 14737
2962         * doc/invoke.texi: (optimization options): Reword description
2963         of -ffast-math. Document its primary purpose.
2964
2965 2007-03-31  Richard Guenther  <rguenther@suse.de>
2966
2967         * omp-low.c (splay-tree.h): Include.
2968         (lookup_decl): Replace splay-tree usage by pointer-map.
2969         (maybe_lookup_decl): Likewise.
2970         (new_omp_context): Likewise.
2971         (delete_omp_context): Likewise.
2972         * gimplify.c (splay-tree.h): Include.
2973         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
2974         pointer-map.
2975         (remap_ssa_name): Likewise.
2976         (remap_decl): Likewise.
2977         (remap_type_1): Likewise.
2978         (remap_type): Likewise.
2979         (copy_body_r): Likewise.
2980         (expand_call_inline): Likewise.
2981         (clone_body): Likewise.
2982         (copy_tree_r): Likewise.
2983         (remap_save_expr): Likewise.
2984         (unsave_r): Likewise.
2985         (unsave_expr_now): Likewise.
2986         (tree_function_versioning): Likewise.
2987         (build_duplicate_type): Likewise.
2988         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
2989         (struct copy_body_data): Replace splay-tree by pointer-map.
2990         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
2991         not $(SPLAY_TREE_H).
2992         (gimplify.o): Depend on $(SPLAY_TREE_H).
2993         (omp-low.p): Likewise.
2994
2995 2007-03-31  Anatoly Sokolov <aesok@post.ru>
2996
2997         * config/avr/predicates.md (even_register_operand,
2998         odd_register_operand): New predicates.
2999         * config/avr/avr.md (movw peephole2): New.
3000         (movw_r peephole2): New.
3001
3002 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
3003
3004         * tree.h (get_signed_or_unsigned_type): New.
3005         * fold-const.c (operand_equal_for_comparison_p): Use
3006         get_signed_or_unsigned_type instead of
3007         lang_hooks.types.signed_or_unsigned_type.
3008         * expr.c (store_expr): Ditto.
3009         * langhooks.c (get_signed_or_unsigned_type): New.
3010         (lhd_signed_or_unsigned_type): New.
3011         * langhooks.h (lhd_signed_or_unsigned_type): New.
3012         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
3013
3014 2007-03-30  Richard Henderson  <rth@redhat.com>
3015
3016         * tree-ssa-loop-ivopts.c: Include target.h.
3017         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
3018         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
3019         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
3020         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
3021
3022 2007-03-30  Richard Henderson  <rth@redhat.com>
3023             Kai Tietz  <kai.tietz@onevision.com>
3024
3025         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
3026         default for 64-bit.
3027         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
3028         (TARGET_64BIT_MS_ABI): New.
3029         (DBX_REGISTER_NUMBER): Handle 64-bit.
3030         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
3031         (LONG_TYPE_SIZE): Force to 32.
3032         (REG_PARM_STACK_SPACE): New.
3033         (OUTGOING_REG_PARM_STACK_SPACE): New.
3034         (REGPARM_MAX, SSE_REGPARM_MAX): New.
3035         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
3036         (STACK_BOUNDARY): Use 128 for 64-bit.
3037         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
3038         Add 64-bit implementation.
3039         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
3040         argument unused.
3041         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
3042         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
3043         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
3044         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
3045         (ix86_handle_cconv_attribute): Don't warn when ignoring if
3046         TARGET_64BIT_MS_ABI.
3047         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
3048         (ix86_pass_by_reference): Likewise.
3049         (ix86_function_value_regno_p): Likewise.
3050         (ix86_build_builtin_va_list): Likewise.
3051         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
3052         (function_arg_advance_ms_64): New.
3053         (function_arg_advance): Call it.
3054         (function_arg_ms_64): New.
3055         (function_arg): Call it.
3056         (function_value_ms_64): New.
3057         (ix86_function_value_1): Call it.
3058         (return_in_memory_ms_64): New.
3059         (ix86_return_in_memory): Call it.
3060         (setup_incoming_varargs_ms_64): New.
3061         (ix86_setup_incoming_varargs): Call it.
3062         (ix86_expand_prologue): Handle 64-bit stack probing.
3063         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
3064         (output_pic_addr_const): Likewise.
3065         (x86_this_parameter): Likewise.
3066         (x86_output_mi_thunk): Likewise.
3067         (x86_function_profiler): Likewise.
3068         (TARGET_STRICT_ARGUMENT_NAMING): New.
3069         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
3070         (TARGET_64BIT_MS_ABI): New.
3071         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
3072         * config/i386/i386.md (allocate_stack_worker): Remove.
3073         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
3074         describe the clobber of eax without a match_scratch.
3075         (allocate_stack_worker_postreload): Remove.
3076         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
3077         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
3078         (allocate_stack_worker_rex64_postreload): Remove.
3079         (allocate_stack): Handle 64-bit.
3080         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
3081         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
3082         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
3083         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
3084         (STANDARD_STARTFILE_PREFIX_1): Likewise.
3085         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
3086         * config.build (x86_64-*-mingw*): New host.
3087         * config.host (x86_64-*-mingw*): New host.
3088         * config.gcc (x86_64-*-mingw*): New target.
3089         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
3090
3091 2007-03-30  Richard Henderson  <rth@redhat.com>
3092             Kai Tietz  <kai.tietz@onevision.com>
3093
3094         * c-pragma.c (struct def_pragma_macro_value): New.
3095         (struct def_pragma_macro): New.
3096         (pushed_macro_table): New.
3097         (dpm_hash, dpm_eq): New.
3098         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
3099         (init_pragma): Install them.
3100         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
3101
3102 2007-03-30  Anatoly Sokolov <aesok@post.ru>
3103
3104         * config/avr/avr.c (avr_override_options): Clear
3105         'flag_delete_null_pointer_checks'.
3106
3107 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
3108
3109         PR c++/26099
3110         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
3111         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
3112         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
3113         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
3114         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
3115         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
3116         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
3117         C++ extensions.
3118         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
3119
3120 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
3121
3122         * regmove.c: Move all of pass_stack_adjustments from here...
3123         * combine-stack-adj.c: ...to this new file.
3124         * Makefile.in: Add rules for combine-stack-adj.o.
3125
3126 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
3127
3128         PR tree-optimization/31383
3129         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
3130         to have the same length.
3131
3132 2007-03-30  Jan Hubicka  <jh@suse.cz>
3133
3134         PR middle-end/30700
3135         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
3136         availablility; add more sanity checking; ask varpool only about
3137         VAR_DECL.
3138
3139 2007-03-29  Richard Henderson  <rth@redhat.com>
3140
3141         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
3142         to decide, but __SIZEOF_LONG_LONG__.
3143
3144 2007-03-29  Richard Henderson  <rth@redhat.com>
3145
3146         * emutls.c (struct __emutls_array): New.
3147         (emutls_destroy): Use it instead of casting element 0 from void*.
3148         (__emutls_get_address): Likewise.
3149
3150 2007-03-29  Richard Henderson  <rth@redhat.com>
3151
3152         * varasm.c (initializer_constant_valid_p): Don't deny
3153         DECL_DLLIMPORT_P on functions.
3154
3155         * config/i386/cygming.h: Remove function declarations.
3156         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
3157         (ASM_OUTPUT_LABELREF): Remove.
3158         (COMMON_ASM_OP): Remove.
3159         (ASM_OUTPUT_COMMON): Remove.
3160         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
3161         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
3162         (ASM_DECLARE_FUNCTION_NAME): Likewise.
3163         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
3164         Rename from TARGET_ENCODE_SECTION_INFO.
3165         * config/i386/netware.h: Likewise.
3166         * config/i386/i386-protos.h: Update.
3167         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
3168         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
3169         (legitimate_constant_p): Reject dllimports.
3170         (dllimport_map, get_dllimport_decl): New.
3171         (legitimize_dllimport_symbol): New.
3172         (legitimize_address, ix86_expand_move): Use it.
3173         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
3174         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
3175         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
3176         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
3177         * config/i386/predicates.md (constant_call_address_operand): Only
3178         accept symbols; reject dllimport_p symbols.
3179         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
3180         i386_pe_maybe_record_exported_symbol.
3181         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
3182         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
3183         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
3184         trust the setting of DECL_DLLIMPORT_P.
3185         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
3186         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
3187         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
3188         tidy the argument scanning loop.
3189         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
3190         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
3191         (i386_pe_strip_name_encoding): Remove.
3192         (i386_pe_binds_local_p): New.
3193         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
3194         (i386_pe_output_labelref): Remove.
3195         (i386_pe_asm_output_aligned_decl_common): New.
3196         (i386_pe_maybe_record_exported_symbol): Rename from
3197         i386_pe_record_exported_symbol; check for dllexported symbols.
3198
3199 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
3200
3201         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
3202         add comment explaining why vsnprintf cannot be used.
3203
3204 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
3205
3206         PR tree-optimization/30666
3207         * tree.c (build_complex_type): When creating type names for DWARF2
3208         debug info, create TYPE_DECLs for TYPE_NAME instead of
3209         IDENTIFIER_NODEs.
3210         (build_common_tree_nodes_2): Use build_complex_type when building
3211         predefined complex types, to preserve canonical types.
3212
3213 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
3214
3215         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
3216         (noce_get_alt_condition): Look at it to determine whether to
3217         reverse the condition or not.
3218         (noce_get_condition): Substitute the truth for lies.
3219         (noce_find_if_block): Set the then_else_reversed field.
3220
3221 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
3222
3223         * config/fr30/fr30.md (movdi): Do not accept immediates as the
3224         destination of this insn.
3225         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
3226         than calling gen_rtx_SET directly.  Use r0 to hold the value of
3227         'address + 4' rather than a stack based temporary which can be
3228         mis-optimized away.
3229
3230 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
3231
3232         * config/s390/s390.c (s390_secondary_input_reload_class,
3233         s390_secondary_output_reload_class): Functions removed.
3234         (s390_secondary_reload): New function.
3235         (TARGET_SECONDARY_RELOAD): Target macro defined.
3236         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
3237         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
3238         * config/s390/s390.md ("reload_outti", "reload_outdi",
3239         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
3240         "reload_out<mode>"): Expanders removed.
3241         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
3242         "reload<mode>_nonoffmem_out"): Expanders added.
3243
3244 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
3245
3246         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
3247         SRC->DEST replacement failed anyway.
3248
3249 2007-03-28  Mike Stump  <mrs@apple.com>
3250
3251         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
3252         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
3253         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
3254
3255 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3256
3257         * config.gcc: Accept barcelona as a variant of amdfam10.
3258         * config/i386/i386.c (override_options): Likewise.
3259         * doc/invoke.texi: Likewise.
3260
3261 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
3262
3263         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
3264         offsets for BIT_FIELD_REF and COMPONENT_REF.
3265
3266 2007-03-28  Richard Guenther  <rguenther@suse.de>
3267
3268         * tree.c (is_global_var): Move ...
3269         * tree-flow-inline.h (is_global_var): ... here.
3270         * tree.h (is_global_var): Remove declaration.
3271
3272 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
3273
3274         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
3275         option.
3276         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
3277         * config/i386/i386.c (ix86_tune_features): Initialize new
3278         tuning option.
3279         * config/i386/predicates.md (promotable_binary_operator): Use
3280         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
3281
3282 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
3283
3284         PR target/31380
3285         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
3286
3287 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
3288
3289         * config/fr30/fr30.md (movsi_internal): Change destination
3290         constraint from m to V and add m to the end.
3291
3292 2007-03-28  Christian Bruel  <christian.bruel@st.com>
3293
3294         * config/sh/sh.md (movsi_i): Fix type attribute.
3295
3296 2007-03-28  Christian Bruel  <christian.bruel@st.com>
3297
3298         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
3299         (movsf_ie): Likewise.
3300
3301 2007-03-28  Christian Bruel  <christian.bruel@st.com>
3302
3303         * config.gcc: Add sh4-300 to multilib.
3304         * config/sh/t-mlib-sh4-300: New file.
3305
3306 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
3307
3308         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
3309         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
3310         fix_trunc<mode>di2.
3311         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
3312         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
3313         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
3314         "fixuns_trunctddi2"): Whitespace fix.
3315
3316 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
3317
3318         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
3319         the definition of struct sh_args.
3320         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
3321         CALL_COOKIE_INT_REG_GET): Likewise.
3322
3323 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
3324
3325         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
3326         transformations are applied successfully.
3327
3328 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
3329
3330         * tree.c (tree_contains_struct): Permit 512 tree codes.
3331         * tree.h (tree_contains_struct): Ditto.
3332         (MAX_TREE_CODES): Ditto.
3333         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
3334         SPARE member to store remaining padding bits.
3335
3336 2007-03-27  Anatoly Sokolov <aesok@post.ru>
3337
3338         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
3339         architecture.
3340
3341 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
3342
3343         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
3344         * configure: Regenerate.
3345
3346         * configure: Regenerate using the correct version of autoconf.
3347
3348 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
3349
3350         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
3351         pointer regs.
3352         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
3353         regs to "__SP_L__" and "__SP_H__".
3354
3355 2007-03-27  Richard Guenther  <rguenther@suse.de>
3356
3357         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
3358         computations with it with a HOST_WIDE_INT variable.
3359
3360 2007-03-26  Mike Stump  <mrs@apple.com>
3361
3362         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
3363         objective-c-header, objective-c++-header and objc++-cpp-output
3364         support.
3365         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
3366
3367 2007-03-26  Richard Henderson  <rth@redhat.com>
3368
3369         PR target/31361
3370         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
3371         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
3372         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
3373         IX86_BUILTIN_PSRLQ128): New.
3374         (ix86_init_mmx_sse_builtins): Add them.
3375         (ix86_expand_builtin): Expand them.
3376         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
3377         operand 2 be TImode.
3378         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
3379         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
3380         _mm_srli_epi64): Mark __B const.
3381         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
3382         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
3383         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
3384         new two-vector shift builtins.
3385
3386 2007-03-26  Ian Lance Taylor  <iant@google.com>
3387
3388         PR tree-optimization/31345
3389         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
3390         [+INF, +INF(OVF)] into VARYING.
3391
3392 2007-03-26  Zack Weinberg  <zackw@panix.com>
3393
3394         * gengtype-parse.c: New file.
3395         * gengtype-yacc.y: Delete.
3396         * gengtype-lex.l: Don't include gengtype-yacc.h.
3397         Define YY_DECL and yyterminate appropriately for recursive
3398         descent parser.  yylval is now a string out-parameter to yylex.
3399         (HWS, EOID): New shorthand.
3400         (IWORD): Add a couple more types.
3401         (yylex): Add a setup stanza.  Remove the complex rules for
3402         detecting GTY'ed types and typedefs; replace with simple
3403         keyword detectors.  Adjust everything for the changed
3404         definition of yylval.  Ignore all pp-directives, not just #define.
3405         (yyerror): Delete.
3406         (parse_file): Rename yybegin; do not call yyparse.
3407         (yyend): New.
3408         * gengtype.c (xasprintf): Export again.
3409         (this_file): New.  Use everywhere __FILE__ was being used.
3410         (get_lang_bitmap): Special case types defined in gengtype.c.
3411         (do_typedef, new_structure): Suppress definition of certain types.
3412         (new_structure): Improve diagnostics of duplicate definitions.
3413         Make sure location_s is associated with input.h.
3414         (nreverse_pairs, define_location_structures): New functions.
3415         (main): Improve tagging of kludge types.  Remove old kludges
3416         for input.h types; use define_location_structures.
3417         * gengtype.h: Update prototypes.  Define token codes here.
3418         * Makefile.in: Remove all references to gengtype-yacc.
3419         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
3420         and gengtype.
3421         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
3422         add GTY((skip)) to the field that's only conditionally there.
3423         * doc/install.texi: Document that Bison is no longer required
3424         unless building treelang.
3425
3426         * gengtype.c: Don't include gtyp-gen.h.
3427         (srcdir): Declare here.
3428         (base_files, lang_dir_names): Allocate dynamically.
3429         (gt_files, num_gt_files, num_lang_dirs): New globals.
3430         (measure_input_list, read_input_line, read_input_list)
3431         (set_lang_bitmap): New functions.
3432         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
3433         simplify, relying on read_input_list to set up the bitmaps.
3434         (main): Arguments are no longer unused.  Check for correct number
3435         of command line arguments, set srcdir and srcdir_len, then call
3436         read_input_list, before doing anything else.  No need to worry
3437         about duplicates in main loop.
3438         * configure.ac: Simplify the calculation of all_gtfiles.
3439         Put language tags in there.  Don't set or substitute
3440         all_gtfiles_files_langs or all_gtfiles_files_frags.
3441         * Makefile.in: Revamp the way gengtype is invoked, now that it
3442         takes a file on its command line with a much simpler format.
3443         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
3444         (GTFILES): Remove duplicates and C source files.
3445         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
3446         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
3447         * configure: Regenerate.
3448
3449         * gengtype.h: Remove all type definitions to gengtype.c; leave
3450         only definitions of options_p, type_p, and pair_p as opaque
3451         pointers.  Update prototypes.
3452         * gengtype.c: Many type definitions moved here from gengtype.h.
3453         Consolidate type definitions at the top of the file.
3454         (xvasprintf): Delete.
3455         (xasprintf): Make static.
3456         (create_nested_pointer_option): Add 'next' parameter.
3457         (create_field_all, create_field_at): New functions.
3458         (create_field): Now a thin wrapper around create_field_all.
3459         (create_optional_field): Rename create_optional_field_ and add
3460         line argument.  Original name is now a macro which supplies
3461         __LINE__.
3462         (oprintf): Use vsnprintf directly.
3463         (close_output_files): Use fatal rather than perror/exit.
3464         (note_def_vec, note_def_vec_alloc): Use create_field_at.
3465         (main): Set progname.  Don't use exit.
3466         * gengtype-yacc.y (struct_fields): Use create_field_at.
3467         (option, optionseqopt): Delete.
3468         (optionseq): Consolidate productions from option here so we
3469         can use the first argument to create_option.
3470
3471         * gengtype-lex.l: Distinguish unions from structures in the
3472         token type.  Don't call find_structure; return the tag as a string.
3473         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
3474         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
3475         Reorganize typedef_struct production accordingly.
3476         Use create_nested_ptr_option.
3477         * gengtype.c (create_nested_ptr_option): New function.
3478         * gengtype.h: Declare it.
3479
3480         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
3481         (string_type): Don't declare.
3482         (do_scalar_typedef): Declare.
3483         (create_scalar_type): Update prototype.
3484         * gengtype.c (string_type): Make static.
3485         (scalar_nonchar, scalar_char): New.
3486         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
3487         (resolve_typedef): Use scalar_nonchar for error recovery.
3488         (create_scalar_type): Remove name_len field.  Return scalar_char
3489         or scalar_nonchar as appropriate.
3490         (adjust_field_type): Look at scalar_is_char boolean to decide whether
3491         to use string_type.
3492         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
3493         whenever possible.
3494         (main): Initialize scalar_char and scalar_nonchar before calling
3495         gen_rtx_next.
3496         * gengtype-lex.l: Adjust for removal of second argument to
3497         create_scalar_type.  Use yylval.s instead of yylval.t when
3498         returning SCALAR.
3499         * gengtype-yacc.y: Type of SCALAR is string.  Call
3500         create_scalar_type from type:SCALAR rule.  Adjust for removal of
3501         second argument to create_scalar_type.
3502
3503         * vec.h: Remove all #if IN_GENGTYPE blocks.
3504         Add comment saying that changes may require adjustments to gengtype.
3505         * gengtype.c: Don't include coretypes.h or tm.h.
3506         Add comment to inclusion of errors.h.
3507         (note_def_vec, note_def_vec_alloc): New functions.
3508         * gengtype.h: Declare new functions.
3509         * gengtype-lex.l: Don't include coretypes.h.
3510         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
3511         Delete.
3512         (update_lineno): Remove unnecessary prototype.
3513         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
3514         (VEC rule): Just return VEC_TOKEN.
3515         * gengtype-yacc.y (VEC_TOKEN): New token type.
3516         (type): Add a production for VEC(a,b).
3517         * Makefile.in: Update dependencies.
3518
3519         * gengtype-lex.l: Remove rules for parsing pointer-to-function
3520         typedefs that use the old PARAMS macro.
3521
3522         * gengtype-lex.l: Remove all rules and states relating to yacc
3523         input files.
3524         * gengtype-yacc.y: Similarly.
3525         * gengtype.c (note_yacc_type): Delete function.
3526         * gengtype.h: Update prototypes.
3527
3528 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
3529
3530         * tree-pretty-print.c (dump_generic_node): Report precision of
3531         unnamed integer types.
3532
3533 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
3534
3535         * ifcvt.c (noce_try_store_flag_constants): Don't check
3536         no_new_pseudos here.
3537         (noce_try_store_flag_constants): Don't check no_new_pseudos.
3538         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
3539         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
3540         noce_try_sign_mask): Likewise.
3541         (if_convert): Check no_new_pseudos here.
3542
3543         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
3544         Remove prototypes.
3545         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
3546         (noce_get_condition): Handle new then_else_reversed argument.
3547         (noce_init_if_info): Remove, fold into noce_find_if_block.
3548         (noce_process_if_block): Take a struct noce_if_info as the
3549         argument.  Don't set up one based on ce_if_info.  Update pointer
3550         references accordingly.
3551         (cond_move_process_if_block): Likewise.
3552         (process_if_block): Removed.
3553         (find_if_block): Removed.  Move functionality two new functions,
3554         noce_find_if_block and cond_exec_find_if_block.
3555         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
3556         blocks and the symmetric IF-ELSE-JOIN case.
3557         (cond_exec_find_if_block): Also new function mostly based on old
3558         find_if_block and process_if_block.
3559         (find_if_header): Replace find_if_block call with separately
3560         guarded calls to noce_find_if_block and cond_exec_find_if_block.
3561         (find_cond_trap): Update noce_get_condition call.
3562         (dead_or_predicable): Likewise.
3563
3564 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
3565
3566         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
3567         Remove.
3568         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
3569         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
3570         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
3571         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
3572         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
3573         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
3574         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
3575         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
3576         __builtin_ia32_psrad128 builtins.
3577
3578 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
3579
3580         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
3581         * config/i386/constraints.md
3582         (define_constraint "I"): Use IN_RANGE macro.
3583         (define_constraint "J"): Ditto.
3584         (define_constraint "K"): Ditto.
3585         (define_constraint "M"): Ditto.
3586         (define_constraint "N"): Ditto.
3587         (define_constraint "O"): Ditto.
3588         * config/i386/predicates.md
3589         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
3590         (define_predicate "const_0_to_3_operand"): Ditto.
3591         (define_predicate "const_0_to_7_operand"): Ditto.
3592         (define_predicate "const_0_to_15_operand"): Ditto.
3593         (define_predicate "const_0_to_63_operand"): Ditto.
3594         (define_predicate "const_0_to_255_operand"): Ditto.
3595         (define_predicate "const_1_to_31_operand"): Ditto.
3596         (define_predicate "const_2_to_3_operand"): Ditto.
3597         (define_predicate "const_4_to_7_operand"): Ditto.
3598
3599 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
3600
3601         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
3602         in SImode for save_world.
3603         * config/rs6000/altivec.md (save_world, restore_world): Convert to
3604         LR hard reg.
3605
3606 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
3607
3608         PR tree-optimization/30784
3609         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
3610         BIT_FIELD_REF.
3611
3612 2007-03-25  Revital Eres  <eres@il.ibm.com>
3613
3614         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
3615           Fold movement_possibility function into it.
3616
3617 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
3618
3619         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
3620         (load_macho_picbase_{si,di}): Convert to LR hard reg.
3621         (call_indirect_nonlocal_darwin64): Same.
3622         (call_nonlocal_darwin64): Same.
3623         (call_value_indirect_nonlocal_darwin64): Same.
3624         (call_value_nonlocal_darwin64): Same.
3625         (sibcall_nonlocal_darwin64): Same.
3626         (sibcall_value_nonlocal_darwin64): Same.
3627         (sibcall_symbolic_64): Same.
3628         (sibcall_value_symbolic_64): Same.
3629         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
3630         LR pseudo.
3631         (rs6000_emit_load_toc_table): Same.
3632         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
3633         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
3634         (mull_call): Same.
3635         (divss_call): Same.
3636         (divus_call): Same.
3637         (quoss_call): Same.
3638         (quous_call): Same.
3639         (load_toc_v4_pic_si): Same
3640         (load_toc_v4_PIC_1): Same.
3641         (load_toc_v4_PIC_1b): Same.
3642         (call_indirect_aix{32,64}): Same.
3643         (call_value_indirect_aix{32,64}): Same.
3644         (call): Same.
3645         (call_value): Same.
3646         (call_local{32,64}): Same.
3647         (call_value_local{32,64}): Same.
3648         (call_indirect_nonlocal_aix{32,64}): Same.
3649         (call_nonlocal_aix{32,64}): Same.
3650         (call_value_indirect_nonlocal_aix{32,64}): Same.
3651         (call_value_nonlocal_aix{32,64}): Same.
3652         (call_indirect_nonlocal_sysv<mode>): Same.
3653         (call_nonlocal_sysv<mode>): Same.
3654         (call_value_indirect_nonlocal_sysv<mode>): Same.
3655         (call_value_nonlocal_sysv<mode>): Same.
3656         (sibcall): Same.
3657         (sibcall_local{32,64}): Same.
3658         (sibcall_value_local{32,64}): Same.
3659         (sibcall_nonlocal_aix{32,64}): Same.
3660         (sibcall_value_nonlocal_aix{32,64}): Same.
3661         (sibcall_nonlocal_sysv<mode>): Same.
3662         (sibcall_value): Same.
3663         (sibcall_value_nonlocal_sysv<mode>): Same.
3664
3665 2007-03-24  Paul Brook  <paul@codesourcery.com>
3666
3667         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
3668         * config/arm/linux-eabi.h: Remove legacy syscall hack.
3669
3670 2007-03-24  Richard Henderson  <rth@redhat.com>
3671
3672         * config/ia64/constraints.md: New file.
3673         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
3674         satisfies_constraint_?.
3675         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
3676         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
3677         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
3678         ia64_output_mi_thunk): Likewise.
3679         (ia64_const_ok_for_letter_p): Remove.
3680         (ia64_const_double_ok_for_letter_p): Remove.
3681         (ia64_extra_constraint): Remove.
3682         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
3683         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
3684         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
3685         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
3686         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
3687         EXTRA_MEMORY_CONSTRAINT): Remove.
3688         * config/ia64/ia64.md: Include constriants.md.  Replace
3689         CONST_OK_FOR_? with satisfies_constraint_?.
3690
3691 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
3692             H.J. Lu  <hongjiu.lu@intel.com>
3693
3694         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
3695         DPD or BID name.
3696         (name macros): Use DPD_BID_NAME to convert names properly.
3697
3698         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
3699         decimal floating point format.
3700         (init_floating_libfuncs): Change decimal functions so that they
3701         have a "bid_" prefix if the decimal system uses the BID format,
3702         and "dpd_" prefix if the decimal system uses the DPD format.
3703         (init_interclass_conv_libfuncs): Ditto.
3704         (init_intraclass_conv_libfuncs): Ditto.
3705
3706         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
3707         using the BID format.
3708
3709         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
3710         whether we are using the BID decimal format.
3711         * configure: Regenerate.
3712
3713         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
3714         the compiler has decimal floating point enabled.  Define
3715         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
3716         instead of DPD.
3717
3718         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
3719         using the BID format.
3720
3721         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
3722         whether we are using the BID decimal format.
3723         * configure: Regenerate.
3724
3725         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
3726         the compiler has decimal floating point enabled.  Define
3727         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
3728         instead of DPD.
3729
3730         * doc/install.texi (--enable-decimal-float): Document BID and DPD
3731         options, and that it is enabled for i386/x86_64 systems.
3732
3733         * Makefile.in (enable_decimal_float): New.
3734         (DECNUMFMT): New.
3735         (DECNUMINC): Add  -I$(DECNUMFMT).
3736         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
3737         to $(DECNUMFMT) from $(DECNUM).
3738
3739         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
3740         Substitute enable_decimal_float.
3741         * configure: Regenerated.
3742
3743         PR other/30529
3744         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
3745         unsigned long.
3746
3747         * configure.ac: Enable decimal float for x86_64-*-linux*.
3748         * configure: Regenerated.
3749
3750         PR other/30530
3751         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
3752         decimal128ClearSign to flip and clear the sign bit in decimal128.
3753         (decimal_real_maxval): Set decimal128SetSign to set the sign
3754         bit in decimal128.
3755
3756 2007-03-23  Ian Lance Taylor  <iant@google.com>
3757
3758         * fold-const.c (fold_binary): Correct warning for X - c >= X.
3759
3760 2007-03-23  Ian Lance Taylor  <iant@google.com>
3761
3762         * tree-dump.c (dump_files): Correct comment.
3763
3764 2007-03-23  Ian Lance Taylor  <iant@google.com>
3765
3766         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
3767
3768 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
3769
3770         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
3771         in cfglayout mode.  Don't go into and out of cfglayout mode.
3772         Link the blocks in the order of the constructed traces.
3773         (rest_of_handle_tracer): Adjust call to tracer.
3774         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
3775         Don't go into cfglayout mode.
3776         (rtl_loop_done): Don't go out of cfglayout mode.
3777         * cfglayout.c (relink_block_chain): New function, split out from...
3778         (fixup_reorder_chain): ...here.  Remove redundant checking.
3779         (cfg_layout_finalize): Don't clear the header, footer, and aux
3780         fields here, move the code to do so to relink_block_chain.  Likewise
3781         for free_original_copy_tables.
3782         * rtl.h (tracer): Update prototype.
3783         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
3784         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
3785         mode.  Use relink_block_chain to serialize the CFG according to the
3786         new basic block order.  Move targetm.cannot_modify_jumps_p check from
3787         here...
3788         (gate_handle_reorder_blocks): ...to here.
3789         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
3790         from here...
3791         (gate_duplicate_computed_gotos): ...to here.
3792         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
3793         something always changes when going into and out of cfglayout mode.
3794         Perform an expensive cfg cleanup while going into cfglayout mode.
3795         Always update liveness information on HAVE_conditional_execution
3796         targets.  Reserialize the basic blocks and go out of cfglayout mode.
3797         * reg-stack.c: Include cfglayout.h.
3798         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
3799         the call to reorder_basic_blocks.
3800         * basic-block.h (reorder_basic_blocks): Update prototype.
3801         (relink_block_chain): New prototype.
3802         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
3803
3804 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
3805
3806         * config/mips/mips.md (type, hazard, *movdi_32bit,
3807         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
3808         *movhi_internal, *movqi_internal, *movsf_hardfloat,
3809         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
3810         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
3811         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
3812         applicable.
3813         (movcc): Change first xfer to multi.
3814         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
3815         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
3816         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
3817         config/mips/generic.md: Change reservations using "xfer" to use
3818         "mfc,mtc".
3819         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
3820         using match_operand.
3821         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
3822         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
3823         examining mode.
3824         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
3825
3826 2007-03-22  Richard Henderson  <rth@redhat.com>
3827
3828         * config/i386/i386.c: Remove unnecessary function declarations.
3829         Move targetm definition, and all related macros, to the end of
3830         the file.  Resort some functions to put definitions before uses.
3831         (ix86_attribute_table): Make static.  Move to end of file.
3832         (ix86_gimplify_va_arg): Make static.
3833
3834 2007-03-22  Richard Henderson  <rth@redhat.com>
3835
3836         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
3837         don't increase local_regparm with force_align_arg_pointer check.
3838         (ix86_function_sseregparm): Assert 32-bit.
3839         (type_has_variadic_args_p): New.
3840         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
3841         type_has_variadic_args_p.
3842         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
3843         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
3844         use memset instead.  Do maybe_vaarg check first; skip attribute
3845         tests if true; skip attribute tests for 64-bit.
3846         (construct_container): Remove TARGET_DEBUG_ARG.
3847         (function_arg_advance_32, function_arg_advance_64): Split out ...
3848         (function_arg_advance): ... from here.
3849         (function_arg_32, function_arg_64): Split out ...
3850         (function_arg): ... from here.
3851         (ix86_pass_by_reference): Tidy.
3852         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
3853         (function_value_32): New, from parts of ix86_function_value
3854         and ix86_value_regno.
3855         (function_value_64): New, from parts of ix86_function_value
3856         and ix86_libcall_value.
3857         (ix86_function_value_1): New.
3858         (ix86_function_value, ix86_libcall_value): Use it.
3859         (return_in_memory_32, return_in_memory_64): Split out ...
3860         (ix86_return_in_memory): ... from here.
3861         (ix86_struct_value_rtx): Skip for 64-bit.
3862         (ix86_libcall_value, ix86_value_regno): Remove.
3863         (setup_incoming_varargs_64): Split out ...
3864         (ix86_setup_incoming_varargs): ... from here.
3865         (ix86_va_start): Remove TARGET_DEBUG_ARG.
3866         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
3867         * config/i386/i386-protos.h (ix86_function_value): Remove.
3868         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
3869
3870 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3871
3872         PR other/23572
3873         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
3874         infinities not supported, otherwise emit warning if -Woverflow. On
3875         underflow, emit warning if -Woverflow.
3876         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
3877         and 0 otherwise.
3878         * real.h (real_from_string): Update declaration
3879
3880 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
3881             Richard Henderson  <rth@redhat.com>
3882
3883         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
3884         * calls.c (compute_argument_block_size, expand_call,
3885         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
3886         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
3887         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
3888         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
3889         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
3890         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
3891         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
3892         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
3893         Set to 1.
3894
3895 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
3896
3897         * c-incpath.c (add_sysroot_to_chain): New.
3898         (merge_include_chains): Add sysroot argument.  Call
3899         add_sysroot_to_chain if sysrooted.
3900         (register_include_chains): Update call to merge_include_chains.
3901         * doc/cppopts.texi: Document use of '=' in include directory
3902         arguments.
3903
3904 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
3905
3906         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
3907         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
3908         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
3909         insn pattern using X87MODEF12 mode macro.
3910
3911 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
3912
3913         * regmove.c (regmove_optimize): Use reg_mentioned_p
3914         instead of reg_overlap_mentioned_p for DST.
3915
3916 2007-03-21  Mike Stump  <mrs@apple.com>
3917
3918         * c.opt: Fixup for Objective-C/C++.
3919
3920 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
3921
3922         * explow.c (convert_memory_address): Fold memory reference when
3923         POINTERS_EXTEND_UNSIGNED < 0
3924
3925 2007-03-21  Richard Henderson  <rth@redhat.com>
3926
3927         PR target/31245
3928         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
3929         * config/i386/mmintrin.h (__m64): Likewise.
3930         * config/i386/xmmintrin.h (__m128): Likewise.
3931
3932 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3933
3934         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
3935         (VXWORKS_OS_CPP_BUILTINS): Define.
3936         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
3937         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
3938
3939 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3940
3941         * rtl.h (constant_pool_reference_p): Delete.
3942         (find_constant_src): Declare.
3943         * rtlanal.c (find_constant_src): New function.
3944         * simplify-rtx.c (constant_pool_reference_p): Delete.
3945         * config/i386/i386.md: Use find_constant_src instead of
3946         constant_pool_reference_p/avoid_constant_pool_reference pairs.
3947
3948 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3949
3950         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
3951         * c-cppbuiltin.c (c_cpp_builtins): Define them.
3952
3953 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
3954
3955         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
3956         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
3957         (arm_elf_asm_constructor): Use it.
3958         (arm_elf_asm_destructor): New function.
3959
3960 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
3961
3962         * jump.c (mark_jump_label): Treat SEQUENCE specially.
3963
3964 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
3965
3966         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
3967
3968 2007-03-19  Andrew Haley  <aph@redhat.com>
3969
3970         PR tree-optimization/31264
3971         * tree-vrp.c (register_edge_assert_for_1): Don't look though
3972         VIEW_CONVERT_EXPRs.
3973
3974 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
3975
3976         PR rtl-optimization/30907
3977         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
3978         (fwprop_init): Always call loop_optimizer_initialize.
3979         (fwprop_done): Always call loop_optimizer_finalize.
3980         (fwprop): We always have loop info now.
3981         (gate_fwprop_addr): Remove.
3982         (pass_fwprop_addr): Use gate_fwprop as gate.
3983
3984         PR rtl-optimization/30841
3985         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
3986         df_chain_alloc): Call df_reorganize_refs unconditionally.
3987         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
3988         refs_organized to refs_organized_size.
3989         (df_ref_create_structure): Use refs_organized_size instead of
3990         bitmap_size if refs had been organized, and keep refs_organized_size
3991         up-to-date.
3992         * df.h (struct df_ref_info): Change refs_organized to
3993         refs_organized_size.
3994         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
3995         bitmap_size.
3996
3997 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
3998
3999         * except.c (output_function_exception_table): Do not reference the
4000         EH personality routine for functions that do not require an
4001         exception table.
4002
4003 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
4004
4005         PR c/30762
4006         * c-typeck.c (convert_for_assignment): Call comptypes for
4007         RECORD_TYPE or UNION_TYPE.
4008
4009         PR inline-asm/30505
4010         * reload1.c (reload): Do invalid ASM checking after
4011         cleanup_subreg_operands.
4012
4013 2007-03-19  Jeff Law  <law@redhat.com>
4014
4015         * tree-cfg.c (find_taken_edge): Tighten conditions for
4016         optimizing computed gotos.
4017
4018 2007-03-19  Michael Matz  <matz@suse.de>
4019
4020         * builtins.c (expand_builtin_sync_operation,
4021         expand_builtin_compare_and_swap,
4022         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
4023         correctly.
4024
4025         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
4026         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
4027         for operand 3.
4028
4029 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4030
4031         * doc/tm.texi: Add brackets around the return type of
4032         TARGET_SECONDARY_RELOAD.
4033
4034 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4035         Richard Guenther  <rguenther@suse.de>
4036
4037         PR tree-optimization/31254
4038         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
4039         Use handled_component_p () where appropriate.  Continue
4040         propagating into the rhs if we propagated into an INDIRECT_REF
4041         on the lhs.
4042
4043 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4044
4045         * config/s390/s390.md (op_type attribute): RRR instruction type added.
4046         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
4047         (xde, xdee): Mode attributes adjusted to support DFP modes.
4048         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
4049         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
4050         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
4051         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
4052         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
4053         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
4054         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
4055         numbers.
4056         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
4057         "movsf"): Insn definitions removed.
4058         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
4059         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
4060         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
4061         definitions added.
4062         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
4063         "reload_in<mode>", "reload_out<mode>"): Expander added.
4064         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
4065         Expander removed.
4066
4067 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4068
4069         * config/s390/s390.md: Only non-functional changes.  Renamed
4070         FPR mode macro to BFP all over the file.
4071
4072 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4073
4074         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
4075         (op_type attribute): RRF instruction type added.
4076         (fT0): New mode attribute.
4077         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
4078         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
4079         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
4080         no secondary memory is needed when moving DFmode values between GPRs
4081         and FPRs.
4082
4083 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4084
4085         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
4086         inverted and documentation adjusted.
4087         ("mhard-dfp", "msoft-dfp"): New options.
4088         * config/s390/s390.c (s390_handle_arch_option): New architecture
4089         switch: z9-ec.
4090         (override_options): Sanity checks for the new options added.
4091         * config.gcc: New architecture switch: z9-ec.
4092         * config/s390/s390.h (processor_flags): PF_DFP added.
4093         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
4094         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
4095         when the bit is NOT set so remove it from the defaults.
4096
4097 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4098
4099         * genemit.c (main): Print include statement for dfp.h.
4100         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
4101         is not available.
4102
4103 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
4104
4105         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
4106
4107 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
4108
4109         PR target/31022
4110         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
4111         instead of PATTERN.
4112
4113 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4114
4115         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
4116         attr_length_call, output_call, output_indirect_call): Cleanup
4117         formatting of targetm calls.
4118
4119 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
4120
4121         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
4122
4123 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4124
4125         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
4126         reservation, bypass and anti-bypass descriptions for these instructions.
4127         Update move patterns.
4128         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
4129         TYPE_FPSTORE.
4130
4131 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
4132
4133         * tree-vect-transform.c (get_initial_def_for_induction): Replace
4134         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
4135         (get_initial_def_for_reduction): Likewise.
4136
4137 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
4138
4139         Fix PR tree-optimization/29922
4140         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
4141         (get_representative): Removed.
4142         (value_dies_in_block_x): Update for rvuse removal.
4143         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
4144         (compute_antic_aux): Handle when PHI nodes appear in
4145         non-single-successors.
4146         (dump_bitmap_of_names): Removed.
4147         (compute_antic_safe): Renamed and removed rvuse calculation.
4148         Calculate only antic safe.
4149         (insert_into_preds_of_block): Remove assert.
4150         (execute_pre): Update for renamed functions.
4151         (defer_or_phi_translate_block): New function.
4152
4153 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
4154
4155         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
4156         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
4157         typos.
4158         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
4159         Follow spelling conventions.
4160
4161         * tree-data-ref.h: Remove the prototype for analyze_array.
4162
4163 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
4164
4165         PR tree-optimization/31041
4166         * tree-vect-transform.c (get_initial_def_for_induction): Call
4167         force_gimple_operand.
4168
4169 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
4170
4171         * ipa-type-escape.c (look_for_casts) : Revert code to use
4172         handled_component_p due to ada test a-numaux.adb.
4173
4174 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
4175
4176         * final.c (final_scan_insn): Alter the condition of a
4177         conditional trap if we have nonstandard CC.
4178
4179 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
4180
4181         * configure.ac: Remove excess quoting from asm line 0 test.
4182         * configure: Rebuilt.
4183
4184 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4185
4186         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
4187         * c-common.c (convert_and_check): Move warning logic to...
4188         (warnings_for_convert_and_check): ...here. Define.
4189         * c-common.h (warnings_for_convert_and_check): Declare.
4190
4191 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4192
4193         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
4194         (output_call): Likewise.
4195
4196 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
4197
4198         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
4199
4200 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
4201
4202         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
4203
4204 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
4205
4206         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
4207         opteron, athlon-64 and athlon-fx processor_alias_table entries.
4208
4209 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
4210
4211         PR tree-optimization/31183
4212         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
4213         Use double_int instead of unsigned int for representing access_strides.
4214         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
4215
4216 2007-03-16  Richard Guenther  <rguenther@suse.de>
4217
4218         PR tree-optimization/31146
4219         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
4220         to allow recursion of forward_propagate_addr_expr.
4221         (forward_propagate_addr_into_variable_array_index): Likewise.
4222         (forward_propagate_addr_expr): Likewise.
4223         (tree_ssa_forward_propagate_single_use_vars): Likewise.
4224         (forward_propagate_addr_expr_1): Recurse on simple copies
4225         instead of propagating into them.  Do so for useless conversions
4226         as well.
4227         (forward_propagate_addr_expr): Clean up unused statements after
4228         recursion.
4229
4230 2007-03-16  Richard Guenther  <rguenther@suse.de>
4231
4232         * builtins.c (expand_builtin_cexpi): Use the right argument
4233         for the expansion via cexp.
4234
4235 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
4236
4237         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
4238         * configure: Rebuilt.
4239
4240 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
4241
4242         PR debug/29906
4243         * dwarf2out.c (force_type_die): Adjust comment.
4244         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
4245
4246 2007-03-15  DJ Delorie  <dj@redhat.com>
4247
4248         * config/frv/predicates.md (minmax_operator): Don't check operands
4249         here.
4250
4251 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
4252
4253         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
4254         Update constant estimates of number of iterations.
4255         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
4256         argument renamed to "realistic".
4257         (compute_estimated_nb_iterations): Removed.
4258         (record_niter_bound): New function.
4259         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
4260         call record_nonwrapping_iv with upper = false.
4261         (infer_loop_bounds_from_signedness): Pass upper argument to
4262         record_nonwrapping_iv.
4263         (estimate_numbers_of_iterations_loop): Do not call
4264         compute_estimated_nb_iterations.  Record estimate based on profile
4265         information.  Initialize the constant estimates of number of
4266         iterations.
4267         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
4268         estimates.
4269         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
4270         number of iterations is too small.
4271         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
4272         (EST_NOT_AVAILABLE): Removed.
4273         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
4274         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
4275         fields.
4276
4277 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
4278
4279         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
4280         Handle NE_EXPR guards.
4281
4282 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4283
4284         PR c++/24924
4285         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
4286         Set also -pedantic-errors by default for the  preprocessor unless
4287         -fpermissive is given.
4288
4289 2007-03-15  Richard Guenther  <rguenther@suse.de>
4290
4291         PR middle-end/29719
4292         PR middle-end/31161
4293         * builtins.c (expand_builtin_cexpi): As a fallback if we
4294         don't have builtins for sincos or cexp create a function
4295         declaration for cexp and expand to a call to that.
4296         (expand_builtin_int_roundingfn): Always fall
4297         back to floor/ceil and its variants even if they may be
4298         not available.
4299
4300 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
4301
4302         PR middle-end/31159
4303         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
4304         jump tables, move the call to delete_dead_jumptables from here...
4305         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
4306         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
4307         don't allow merging of blocks that try_redirect_by_replacing_jump
4308         also does not handle when not optimizing.
4309
4310 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
4311             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
4312
4313         * config/i386/i386.md (x86_sahf_1): Correctly handle
4314         HAVE_AS_IX86_SAHF.
4315
4316 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
4317
4318         PR target/31167
4319         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
4320         x86_64_general_operand as operand[2] predicate.  Remove "iF"
4321         from operand constraints and use "e" constraint instead.
4322         (*subti3_1, *subti3_1 splitter): Ditto.
4323         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
4324         operand[1] predicate.
4325
4326 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
4327
4328         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
4329         arrays, multiply the access strides by the size of the sub-array.
4330         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
4331
4332 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
4333
4334         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
4335         the configured assembler supports the sahf mnemonic.
4336         * configure: Regenerate.
4337         * config.in: Regenerate.
4338
4339         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
4340         emit "sahf" or ".byte\t0x9e" as asm template.
4341
4342 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
4343
4344         PR 31018
4345         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
4346         option to replace hard coded TARGET_xxx in md file.
4347         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
4348         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
4349         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
4350         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
4351         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
4352         (X86_TUNE_NOT_VECTORMODE): Ditto.
4353         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
4354         (TUNE_AVOID_VECTOR_DECODE): Ditto.
4355         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
4356         (TUNE_SLOW_IMUL_IMM8): Ditto.
4357         (TUNE_MOVE_M1_VIA_OR): Ditto.
4358         (TUNE_NOT_UNPAIRABLE): Ditto.
4359         (TUNE_NOT_VECTORMODE): Ditto.
4360
4361         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
4362         options.
4363
4364         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
4365         tuning options instead of hard coded TARGET_xxx.
4366         (fix ssemode peephole2's): Ditto.
4367         (imul peephole2's): Ditto.
4368         (movsi_or): Ditto.
4369         (movdi_or_rex64): Ditto.
4370         (move peephole2): Ditto.
4371         (not peephole2's): Ditto.
4372
4373 2007-03-14  Dirk Mueller  <dmueller@suse.de>
4374
4375         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
4376         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
4377         * c-parser.c (c_parser_if_body): Always add an empty statement in case
4378         of empty body.
4379         * c-parser.c (c_parser_do_statement): Warn about empty body in
4380         do/while statement.
4381         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
4382         * doc/invoke.texi (-Wempty-body): Update documentation.
4383
4384 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4385
4386         PR c/21438
4387         * c-common.h (warn_for_div_by_zero): Declare.
4388         * c-common.c (warn_for_div_by_zero): Define.
4389         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
4390         warning.
4391
4392 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4393
4394         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
4395         to PREFIX and STANDARD_PREFIX.
4396
4397 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4398             Phil Edwards  <phil@codesourcery.com>
4399
4400         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
4401         (__gthread_once_t): Remove busy field for RTPs.
4402         (__GTHREAD_ONCE_INIT): Update accordingly.
4403
4404 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4405
4406         * doc/invoke.texi: Document VxWorks options.
4407
4408 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
4409
4410         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
4411
4412 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
4413
4414         PR tree-optimization/30590
4415         * tree-nrv.c (tree_nrv): Check for the partial update of the
4416         return value.
4417
4418 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
4419
4420         * flags.h (flag_random_seed): Remove declaration, in favor of...
4421         * toplev.h (get_random_seed, set_random_seed): ... these.
4422         * tree.c (get_file_function_name): Use the former.
4423         * opts.c (common_handle_option): Use the latter.
4424         * toplev.c
4425
4426 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
4427
4428         PR middle-end/31127
4429         * cse.c (cse_find_path): Do not bail out if a basic block that
4430         we already visited now becomes part of a path that starts at a
4431         different basic block.  Just disallow this, to make sure we
4432         visit each basic block at most once.
4433
4434 2007-03-13  Jan Hubicka  <jh@suse.cz>
4435
4436         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
4437         when profile esitmate is present, calls with very low frequency are
4438         cold.
4439
4440 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
4441
4442         PR tree-optimization/30730
4443         PR tree-optimization/26900
4444         * tree-ssa-loop-niter.c: Include gmp.h.
4445         (bounds): New type.
4446         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
4447         split_to_var_and_offset, determine_value_range,
4448         bound_difference_of_offsetted_base, refine_bounds_using_guard,
4449         bound_difference, bounds_add, bounds_negate,
4450         number_of_iterations_ne_max, dump_affine_iv): New functions.
4451         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
4452         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
4453         difference of initial and final value of control iv to validate
4454         results.
4455         (number_of_iterations_cond): Add loop parameter.  Determine bounds
4456         on the difference of the extremes of the control iv.  Add dumps.
4457         (expand_simple_operations): Handle phi nodes.
4458         (simplify_using_initial_conditions): Do not record used conditions.
4459         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
4460         Do not set additional_info.
4461         (implies_nonnegative_p, implies_ge_p): Removed.
4462         (derive_constant_upper_bound): Do not use parameter `additional'.
4463         (record_estimate): Parameter `additional' removed.  Parameter
4464         `i_bound' added.  Do not call derive_constant_upper_bound.
4465         (record_nonwrapping_iv): Use derive_constant_upper_bound to
4466         bound the number of iterations estimate.
4467         (estimate_numbers_of_iterations_loop): Pass the estimate from
4468         the number of iterations analysis to record_estimate.
4469         * tree.h (multiple_of_p): Declare.
4470         * tree-scalar-evolution.c (expression_expensive_p): Removed.
4471         (scev_const_prop): Do not check expression_expensive_p.
4472         * fold-const.c (multiple_of_p): Exported.
4473         * double-int.c (double_int_mask): Exported.
4474         * double-int.h (double_int_mask): Declare.
4475         * tree-flow.h (struct tree_niter_desc): Removed additional_info
4476         field.  Added max field.
4477
4478 2007-03-13  David Taylor  <taylor@candd.org>
4479
4480         PR driver/12448:
4481         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
4482         default -MQ.
4483
4484 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4485
4486         PR target/31123
4487         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
4488         two unamed patterns.
4489
4490 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
4491
4492         * config/i386/i386.opt (mcx16, msahf): New options.
4493         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
4494         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
4495
4496         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
4497         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
4498         Output -mcx16 and -msahf options when corresponding bit is set.
4499
4500         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
4501         and -msahf options.
4502
4503 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
4504
4505         * configure.ac: Test for assembler tolerance to # 0 "".
4506         * configure, config.in: Rebuilt.
4507         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
4508
4509 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
4510
4511         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
4512
4513         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
4514         (handle_syscall): Handle direct system calls.
4515         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
4516
4517 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
4518
4519         * doc/invoke.texi: Fix cpp.info cross-reference.
4520         * doc/passes.texi: Fix gcc.info cross-reference.
4521
4522 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
4523
4524         PR tree-optimization/30835
4525         * lambda-code.c (can_convert_to_perfect_nest): Check whether
4526         bb_for_stmt is not NULL before accessing it.
4527
4528 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
4529
4530         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
4531         some multilibs.
4532
4533 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
4534
4535         PR 30635
4536         * doc/install.texi: Document --enable-stage1-languages
4537
4538 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
4539
4540         * tree-pass.h (pass_into_cfg_layout_mode,
4541         pass_outof_cfg_layout_mode): Declare.
4542         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
4543         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
4544         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
4545         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
4546
4547 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
4548
4549         * c-decl.c (warn_variable_length_array): New function.
4550         Refactored from grokdeclarator to handle warn_vla
4551         and handle unnamed array case.
4552         (grokdeclarator): Refactored VLA warning case.
4553         * c.opt (Wvla): New flag.
4554         * doc/invoke.texi (Wvla): New warning.
4555
4556 2007-03-12  Richard Henderson  <rth@redhat.com>
4557
4558         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
4559         (TARGET_SECTION_TYPE_FLAGS): New.
4560
4561 2007-03-12  Richard Henderson  <rth@redhat.com>
4562
4563         * config/darwin.c (machopic_reloc_rw_mask): New.
4564         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
4565         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
4566
4567 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
4568
4569         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
4570         * cppdefault.h (cpp_PREFIX): Document.
4571         (cpp_PREFIX_len): Likewise.
4572         (cpp_EXEC_PREFIX): New variable.
4573         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
4574         * c-incpath.c (add_standard_paths): Correct logic for relocating
4575         paths within prefix.
4576
4577 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
4578
4579         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
4580         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
4581         mode macro.
4582         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
4583         fix_truncdfdi_sse using SSEMODEF mode macro.
4584         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
4585         fix_truncdfsi_sse using SSEMODEF mode macro.
4586         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
4587         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
4588
4589 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
4590
4591         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
4592         elfos.h to tm_file.
4593
4594 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
4595
4596         * tree.h : Add multiple_of_p declaration.
4597         * fold-const.c (multiple_of_p): Make multiple_of_p public.
4598         * ipa-type-escape.c (results_of_malloc): Redundant.
4599         (visited_stmts): New. Visited stmt for walk_use_def_chains.
4600         (cast_type): Extended with new members.
4601         (check_cast): Returns cast_type.
4602         (cast): New structure for data of walk_use_def_chains.
4603         (is_malloc_result, is_cast_from_non_pointer_1,
4604         is_cast_from_non_pointer,
4605         is_array_access_through_pointer_and_index): New functions.
4606         (look_for_casts): Returns cast types.
4607         (check_call): Returns void.
4608         (okay_pointer_operation): Use support of pointer plus index,
4609         pointer plus constant and allow all multiplications.
4610
4611 2007-03-11  Richard Guenther  <rguenther@suse.de>
4612
4613         PR tree-optimization/31115
4614         * tree-vrp.c (extract_range_from_binary_expr): Make sure
4615         the shift count is positive and non-anti-range for RSHIFT_EXPR.
4616         A shift count of zero is not special as with *_DIV_EXPR.
4617         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
4618         direction.
4619
4620 2007-03-11  Ian Lance Taylor  <iant@google.com>
4621
4622         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
4623         the *_DIV_EXPR codes correctly with overflow infinities.
4624
4625 2007-03-11  Ira Rosen  <irar@il.ibm.com>
4626
4627         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
4628         indicate success/failure of the analysis. Add negation to subtrahend
4629         in case of subtraction. Fail if both operands contain constants.
4630         (create_data_ref): Fail if analyze_offset fails.
4631
4632 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
4633
4634         * config/i386/i386.md (frndintxf2): Rename to ...
4635         (rintxf2): ... this. Remove expander having same name.
4636         (rintsf2, rintdf2): Implement using SSEMODEF macro.
4637         (roundsf2, rounddf2): Ditto.
4638         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
4639         (lround<mode>di2, lround<mode>si2): Ditto.
4640
4641 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
4642
4643         * lower-subreg.c: Include except.h.
4644         (decompose_multiword_subregs): Verify that the only control flow
4645         insns we can split are loads to multi-words pseudos.
4646         Handle breaking such blocks after splitting, instead of calling
4647         find_many_sub_basic_blocks.
4648
4649         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
4650         on the new basic block.  Add a lengthy comment explaining why we
4651         thought this was necessary.
4652         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
4653
4654 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
4655
4656         PR c++/30924
4657         * tree.c (walk_type_fields): Recurse into the element type of
4658         ARRAY_TYPEs if there is a pointer set.
4659
4660 2007-03-10  Dirk Mueller  <dmueller@suse.de>
4661
4662         * c-common.c (warn_logical_operator): Fix condition.
4663
4664 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
4665
4666         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
4667         quotation mark.
4668         * config/darwin.c (machopic_select_section): Remove superfluous
4669         argument in call to categorize_decl_for_section.  Remove unused
4670         variable shlib.
4671
4672 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
4673
4674         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
4675         defined.
4676         * configure: Regenerate.
4677
4678 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
4679
4680         PR target/31101
4681         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
4682         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
4683         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
4684         Add LABEL_NUSES to emitted label.
4685         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
4686         branch probability value to emitted jump insn.
4687         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
4688         Do not check life information and do not re-arrange input operands
4689         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
4690
4691 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4692
4693         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
4694         the change of decode_asm_operands.
4695
4696 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4697
4698         * mode-switching.c (create_pre_exit): Skip blockage insn.
4699
4700 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
4701
4702         * tree-pass.h (TODO_update_smt_usage): Remove.
4703         Update all users.
4704         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
4705         argument SOME.
4706         Update all users.
4707
4708 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4709
4710         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
4711         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
4712         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
4713         SOM target.
4714
4715 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
4716
4717         * gcc.c: Document %{, in big comment at top.
4718         (input_suffix_matches): Remove special handling for .s and
4719         .S.
4720         (input_spec_matches): New.
4721         (handle_braces): Handle %{,.
4722         (validate_switches): ',' indicates a value which is not a switch.
4723         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
4724         to detect assembler input.
4725         * config/i386/sol2.h (CPP_SPEC): Likewise.
4726         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
4727         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
4728         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
4729         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
4730         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
4731         -m64 causes deployment target to default to 10.5.
4732         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
4733
4734 2007-03-09  Richard Henderson  <rth@redhat.com>
4735
4736         PR target/26090
4737         * target.h (targetm.asm.out.reloc_rw_mask): New.
4738         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
4739         (TARGET_ASM_OUT): Use it.
4740         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
4741         * varasm.c (categorize_decl_for_section): Remove shlib argument;
4742         use the new reloc_rw_mask target hook instead.
4743         (default_section_type_flags_1): Merge into...
4744         (default_section_type_flags): ... here.
4745         (decl_readonly_section_1): Merge into...
4746         (decl_readonly_section): ... here.
4747         (default_elf_select_section_1): Merge into...
4748         (default_elf_select_section): ... here.
4749         (default_unique_section_1): Merge into...
4750         (default_unique_section): ... here.
4751         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
4752         (default_select_rtx_section): Use it.
4753         (default_elf_select_rtx_section): Likewise.
4754         * output.h: Update to match.
4755         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
4756         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
4757         (TARGET_ASM_RELOC_RW_MASK): New.
4758         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
4759         to categorize_decl_for_section.
4760         (x86_64_elf_unique_section): Likewise.
4761         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
4762         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
4763         (TARGET_ASM_RELOC_RW_MASK): New.
4764         * config/ia64/ia64.c (ia64_rwreloc_select_section,
4765         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
4766         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
4767         (TARGET_RWRELOC): Remove.
4768         (ia64_section_type_flags): Adjust call to default_section_type_flags.
4769         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
4770         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
4771         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
4772         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
4773         (rs6000_xcoff_select_section): Use decl_readonly_section.
4774         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
4775         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
4776         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
4777         (TARGET_SECTION_TYPE_FLAGS): Remove.
4778         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
4779
4780 2007-03-09  Roger Sayle  <roger@eyesopen.com>
4781
4782         * fold-const.c (fold_comparison): Remove compile-time evaluation of
4783         complex constant equality/inequality comparisons for here.
4784         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
4785         known at compile-time or can be simplified to a scalar comparison.
4786         (fold_relational_const): Move compile-time evaluation of complex
4787         constant equality/inequality comparisons to here.
4788
4789 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4790
4791         PR rtl-optimization/30643
4792         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
4793         dest_addr_elt.
4794         (fold_rtx): Recurse, like before 2006-11-03.
4795
4796 2007-03-09  DJ Delorie  <dj@redhat.com>
4797
4798         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
4799         m32c-pragma.o.
4800
4801 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
4802
4803         PR tree-optimization/30375
4804         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
4805         LHS of statements is not the same.
4806         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
4807
4808 2007-03-09  Chao-ying Fu  <fu@mips.com>
4809
4810         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
4811         REV 2.
4812         * doc/invoke.texi (-mdspr2): Document new option.
4813         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
4814         New unspec for DSP REV 2.
4815         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
4816         these instructions are extended in DSP REV 2.
4817         (mips-dspr2.md): Include.
4818         * config/mips/mips.opt (mdspr2): New option.
4819         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
4820         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
4821         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
4822         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
4823         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
4824         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
4825         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
4826         and 2 builtins.
4827         (bdesc_map): Add one field of unsupported_target_flags.
4828         (bdesc_arrays):  Update entries to have extra fields.  Add
4829         dsp_32only_bdesc.
4830         (mips_init_builtins): Initialize new function types.
4831         Check unsupported_target_fileds to filter out builtins.
4832         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
4833         TARGET_DSPR2.
4834         (ASM_SPEC): Pass mdspr2 to the assembler.
4835         * config/mips/mips-dspr2.md: New file.
4836
4837 2007-03-09  Sa Liu  <saliu@de.ibm.com>
4838
4839         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
4840
4841 2007-03-09  Ian Lance Taylor  <iant@google.com>
4842
4843         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
4844         argument) like -Wstrict-overflow=2.
4845         * doc/invoke.texi (Warning Options): Update documentation.
4846
4847 2007-03-09  Dirk Mueller  <dmueller@suse.de>
4848
4849         PR c++/17946
4850         * doc/invoke.texi (-Wlogical-op): Document.
4851         * common.opt (-Wlogical-op): New.
4852         * c-common.h (warn_logical_operator): Declare.
4853         * c-common.c (warn_logical_operator): Define.
4854         * c-typeck.c (parser_build_binary_op): Call
4855         warn_logical_operator.
4856
4857 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4858
4859         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
4860         * final.c (final_scan_insn): Test for non-"" file name.
4861
4862 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
4863
4864         * doc/loop.texi: Document the Omega linear constraints solver.
4865         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
4866         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
4867         omega-hash-table-size, omega-max-keys, and
4868         omega-eliminate-redundant-constraints.
4869         * tree-pass.h (pass_check_data_deps): Declared.
4870         * omega.c: New.
4871         * omega.h: New.
4872         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
4873         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
4874         pass_check_data_deps): New.
4875         * tree-data-ref.c (init_data_ref): Remove declaration.
4876         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
4877         (analyze_array): Renamed init_array_ref, move up initializations.
4878         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
4879         Removed arguments that are set to NULL.
4880         (analyze_indirect_ref): Correct indentation, correct call to
4881         init_pointer_ref.
4882         (object_analysis): Call init_array_ref instead of analyze_array.
4883         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
4884         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
4885         of DR_ACCESS_FNS_ADDR.
4886         (init_omega_eq_with_af, omega_extract_distance_vectors,
4887         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
4888         ddr_consistent_p): New.
4889         (compute_affine_dependence): Check consistency of ddrs when
4890         flag_check_data_deps is passed.
4891         (analyze_all_data_dependences): Uncomment.
4892         (tree_check_data_deps): New.
4893         * tree-data-ref.h: Include omega.h.
4894         (DR_ACCESS_FNS_ADDR): Removed.
4895         (data_dependence_relation): Add inner_loop.
4896         (DDR_INNER_LOOP): New.
4897         * common.opt (fcheck-data-deps): New.
4898         * tree-flow.h (tree_check_data_deps): Declare.
4899         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
4900         (OBJS-common): Depend on omega.o.
4901         (omega.o): Define.
4902         * passes.c (pass_check_data_deps): Scheduled.
4903         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
4904         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
4905         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
4906         PARAM_VECT_MAX_VERSION_CHECKS,
4907         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
4908
4909 2007-03-09  Richard Guenther  <rguenther@suse.de>
4910
4911         PR tree-optimization/30904
4912         PR middle-end/31058
4913         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
4914         the same way as *_DIV_EXPR.
4915
4916 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4917
4918         * recog.c (decode_asm_operands): No mixed declarations and code.
4919
4920 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4921
4922         * rtl.def (ASM_INPUT): Add location.
4923         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
4924         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
4925         (decode_asm_operands): Add loc operand.
4926         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
4927         * stmt.c (expand_asm): Rename to...
4928         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
4929         gen_rtx_ASM_INPUT_loc.
4930         (expand_asm_expr): Adjust.
4931         * recog.c (decode_asm_operands): Add loc operand.
4932         (check_asm_operands, extract_insn): Adjust.
4933         * reload1.c (maybe_fix_stack_asms): Likewise.
4934         * final.c (asm_insn_count): Likewise.
4935         (final_scan_insn): Output # line before and after asm.
4936
4937 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
4938
4939         * tree-ssa-structalias.c (variable_info): Remove
4940         finished_solution.
4941         (new_var_info): Ditto.
4942         (shared_bitmap_info_t): New structure.
4943         (shared_bitmap_table): New variable.
4944         (shared_bitmap_hash): New function.
4945         (shared_bitmap_eq): Ditto
4946         (shared_bitmap_lookup): Ditto.
4947         (shared_bitmap_add): Ditto.
4948         (merge_smts_into): Change to take bitmap directly.
4949         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
4950         (init_alias_vars): Init shared bitmap hashtable.
4951         (delete_points_to_sets): Delete shared bitmap hashtable.
4952         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
4953         is_aliased removal as a change that was still necessary was
4954         deleted.
4955
4956 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
4957
4958         * config/i386/i386.h (override_options): Conditionally disable
4959         x86_sahf for 64bit targets only.
4960
4961 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4962
4963         PR C/31072
4964         * c-decl.c (merge_decls): Don't call make_var_volatile.
4965         * varasm.c (make_var_volatile): Remove.
4966         * output.h (make_var_volatile): Remove.
4967
4968 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
4969
4970         PR tree-optimization/31085
4971         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
4972
4973 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4974
4975         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
4976         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
4977         ATTR_CONST_NOTHROW_LIST.
4978
4979         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
4980         FIX_TRUNC_EXPR.
4981
4982 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
4983
4984         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
4985
4986 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
4987
4988         PR 31013
4989         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
4990         is declared.
4991         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
4992         passed, use shared libgcc.
4993
4994 2007-03-08  Roger Sayle  <roger@eyesopen.com>
4995
4996         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
4997         instead of calling build2 with a GIMPLE_MODIFY_STMT.
4998         (honor_protect_cleanup_actions, lower_try_finally_switch):
4999         Likewise.
5000         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
5001         ifc_temp_var): Likewise.
5002         * tree-inline.c (setup_one_parameter): Likewise.
5003         * tree-mudflap.c (mf_decl_cache_locals,
5004         mf_build_check_statement_for): Likewise.
5005         * tree-nested.c (init_tmp_var, save_tmp_var,
5006         finalize_nesting_tree_1): Likewise.
5007         * tree-outof-ssa.c (insert_copy_on_edge,
5008         insert_backedge_copies): Likewise.
5009         * tree-profile.c (tree_gen_edge_profiler,
5010         tree_gen_ic_profiler): Likewise.
5011         * tree-scalar-evolution.c (scev_const_prop): Likewise.
5012         * tree-sra.c (sra_build_assignment): Likewise.
5013         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
5014         * tree-ssa-math-opts.c (insert_reciprocals,
5015         execute_cse_sincos_1): Likewise.
5016         * tree-tailcall.c (adjust_accumulator_values,
5017         adjust_return_value): Likewise.
5018         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
5019         * tree-vect-transform.c (vect_create_data_ref_ptr,
5020         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
5021         vect_create_epilog_for_reduction, vectorizable_reduction,
5022         vectorizable_call, vectorizable_conversion,
5023         vectorizable_assignment, vectorizable_operation,
5024         vectorizable_type_demotion, vect_gen_widened_results_half,
5025         vect_permute_store_chain, vectorizable_store,
5026         vect_setup_realignment, vect_permute_load_chain,
5027         vectorizable_load, vectorizable_condition,
5028         vect_create_cond_for_align_checks): Likewise.
5029         * tree-vrp.c (build_assert_expr_for): Likewise.
5030
5031 2007-03-08  Ian Lance Taylor  <iant@google.com>
5032
5033         * tree-vrp.c: Include "intl.h".
5034         (usable_range_p): New static function.
5035         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
5036         overflowed values, juts set *strict_overflow_p.
5037         (compare_values): Only return -2 if one of the operands is not a
5038         constant.
5039         (compare_ranges): Call usable_range_p.
5040         (compare_range_with_value): Likewise.
5041         (vrp_evaluate_conditional_warnv): Rename from
5042         vrp_evaluate_conditional.  Make static.  Change all callers.
5043         (vrp_evaluate_conditional): New function.
5044         (simplify_div_or_mod_using_ranges): Issue warning about reliance
5045         on signed overflow.
5046         (simplify_abs_using_ranges): Likewise.
5047         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
5048         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
5049         within_stmt parameter.
5050         * tree-ssa-propagate.c (fold_predicate_in): Update call to
5051         vrp_evaluate_conditional.
5052         * tree-ssa-threadedge.c
5053         (record_temporary_equivalences_from_stmts_at_dest): Change
5054         simplify parameter to take a second tree parameter.
5055         (simplify_control_stmt_condition): Likewise.
5056         (thread_across_edge): Likewise.
5057         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
5058         (thread_across_edge): Likewise.
5059         * Makefile.in (tree-vrp.o): Depend upon intl.h.
5060
5061 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
5062
5063         * config/i386/i386.h (TARGET_SAHF): New define.
5064         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
5065         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
5066         (x86_sahf): New global variable.
5067         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
5068         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
5069         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
5070         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
5071         for 64-bit.
5072         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
5073         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
5074         when expanding fcomi/sahf based tests.
5075         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
5076         expanding sahf based alternative. Emit sahf based sequence when
5077         optimizing for code size.
5078         * config/i386/i386.md (x86_sahf_1): Do not disable for
5079         TARGET_64BIT, enable for TARGET_SAHF.
5080
5081 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
5082
5083         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
5084         spurious whitespace from error message.
5085
5086 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
5087
5088         PR c++/30852
5089         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
5090
5091 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
5092
5093         * c-decl.c (grokdeclarator): Disable warnings for anonymous
5094         bitfields.
5095         * tree-sra.c (instantiate_element): Propagate disabled warnings
5096         from the element itself to the created variable.
5097
5098 2007-03-07  Richard Henderson  <rth@redhat.com>
5099
5100         PR target/30848
5101         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
5102         silently fix up the stack in the case of a missing register.
5103
5104 2007-03-07  Paul Brook  <paul@codesourcery.com>
5105
5106         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
5107
5108 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
5109
5110         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
5111         New.
5112         (phase1_vrs): Use them.
5113         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
5114         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
5115         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
5116         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
5117         __gnu_Unwind_Restore_WMMXC if required.
5118         (_Unwind_VRS_Pop): Implement iWMMXt support.
5119         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
5120         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
5121         gnu_Unwind_Save_WMMXC): Define.
5122
5123 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
5124
5125         * config/vxworks.h (vxworks_override_options): Declare.
5126         (VXWORKS_OVERRIDE_OPTIONS): Use it.
5127         * config/vxworks.c: Include target.h and toplev.h.
5128         (vxworks_override_options): New function.
5129         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
5130
5131 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
5132
5133         * config/s390/s390.c (override_options): Don't emit an error when
5134         -mstack-size is used without providing -mstack-guard.
5135         (s390_emit_prologue): Choose stack_guard value automatically if not
5136         provided via command line.
5137         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
5138
5139 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
5140
5141         * config/i386/i386.c (output_set_got): Add a GOT initialization
5142         sequence for VxWorks PIC.
5143         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
5144         around labels as well as symbols.  Use gotoff_operand instead
5145         of local_symbolic_operand.
5146         (legitimize_pic_address): Use gotoff_operand instead of
5147         local_symbolic_operand.  Use @GOT accesses for labels as
5148         well as symbols.
5149         (ix86_output_addr_diff_elt): Use PC-relative rather than
5150         GP-relative offsets for VxWorks PIC.
5151         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
5152         no_new_pseudos.  Check whether the returned register is op0.
5153         * config/i386/i386.md (tablejump): Use PC-relative rather than
5154         GP-relative offsets for VxWorks PIC.
5155         * config/i386/predicates.md (gotoff_operand): New predicate.
5156
5157 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5158
5159         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
5160         before defining.
5161         * config/vxworks-dummy.h: New file.
5162         * config/i386/i386.h: Include it.
5163
5164 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
5165
5166         * dwarf2out.c (is_inlined_entry_point): New
5167         (add_high_low_attributes): Emit DW_AT_entry_pc along with
5168         DW_AT_ranges if the first subblock is the entry point.
5169
5170 2007-03-06  David Daney  <ddaney@avtrex.com>
5171
5172         * doc/install.texi (mips-*-*): Change recommended binutils
5173         version.
5174
5175 2007-03-06  Anatoly Sokolov <aesok@post.ru>
5176
5177         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
5178         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
5179         devices.
5180         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5181         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5182
5183 2007-03-06  Jan Hubicka  <jh@suse.cz>
5184
5185         * errors.h (warning, error, fatal, internal_error): Mark as cold.
5186         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
5187         are hot.
5188         (probably_cold_bb_p): Cold functions are cold.
5189         (probably_never_executed_bb_p): Cold functions are cold.
5190         (tree_bb_level_predictions): Predict calls to cold functions as not
5191         taken.
5192         (compute_function_frequency): Check hot/cold attributes.
5193         * function.h (function_frequency): Update comments.
5194         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
5195         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
5196         (c_common_att): Add cold and hot.
5197
5198         * doc/extend.texi (hot,cold attributes): Document.
5199
5200 2007-03-06  Andrew Haley  <aph@redhat.com>
5201
5202         * function.c (expand_function_end): Move blockage to just after we
5203         emit the label for the naked return from the function.
5204
5205 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5206
5207         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
5208         before redefining.
5209
5210 2007-03-06  Jan Hubicka  <jh@suse.cz>
5211
5212         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
5213         loaded for constant large models.  Non-large 64bit PIC can do.
5214         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
5215         * cmodel.h: Add LARGE PIC.
5216         * i386.md (UNSPEC_PLTOFF): New.
5217         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
5218         needed.
5219         (*call_1_rex64): Disable for large models.
5220         (*call_1_rex64_large): New.
5221         (*call_value_1_rex64): Disable for large models.
5222         (*call_value_1_rex64_large): New.
5223         (set_rip_rex4): New.
5224         (set_got_offset_rex64): New.
5225         * predicates.md (constant_call_address_operand): For large model
5226         constant calls are not possible.
5227         * i386-protos.h (construct_plt_address): Declare.
5228         * i386.c (override_options): Accept large models.
5229         (ix86_expand_prologue): Expand large PIC GOT pointer load.
5230         (legitimate_constant_p): Add new UNSPECs.
5231         (legitimate_pic_operand_p): Likewise.
5232         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
5233         (legitimize_pic_address): Do easy RIP relative way for TLS only for
5234         non-large model.
5235         (output_pic_addr_const): Add PLTOFF.
5236         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
5237         (ix86_expand_move): Legitimize pic address when in PIC mode.
5238         (construct_plt_address): New function.
5239         (ix86_expand_call): Offload the address to register and use GOT pointer
5240         for large model.
5241         * invoke.texi (mcmodel=large): Update documentation.
5242
5243 2007-03-06  Richard Henderson  <rth@redhat.com>
5244
5245         * config/i386/i386.c (x86_use_leave, x86_push_memory,
5246         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
5247         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
5248         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
5249         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
5250         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
5251         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
5252         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
5253         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
5254         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
5255         x86_partial_reg_dependency, x86_memory_mismatch_stall,
5256         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
5257         x86_sse_partial_reg_dependency, x86_sse_split_regs,
5258         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
5259         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
5260         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
5261         x86_schedule, x86_use_bt, x86_pad_returns,
5262         x86_use_xchgb): Merge into ...
5263         (ix86_tune_features): ... here.  New array.
5264         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
5265         x86_bswap): Merge into ...
5266         (ix86_arch_features): ... here.  New array.
5267         (x86_3dnow_a): Remove.
5268         (x86_accumulate_outgoing_args): Make static.
5269         (x86_arch_always_fancy_math_387): Make static.
5270         (ix86_tune_mask, ix86_arch_mask): Move ...
5271         (override_options): ... to local variables here.  Apply the
5272         appropriate mask to each element of ix86_arch_features and
5273         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
5274         as were done in the old macros.
5275         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
5276         * config/i386/i386.h (x86_use_leave, x86_push_memory,
5277         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
5278         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
5279         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
5280         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
5281         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
5282         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
5283         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
5284         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
5285         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
5286         x86_partial_reg_dependency, x86_memory_mismatch_stall,
5287         x86_accumulate_outgoing_args, x86_prologue_using_move,
5288         x86_epilogue_using_move, x86_decompose_lea,
5289         x86_arch_always_fancy_math_387, x86_shift1,
5290         x86_sse_partial_reg_dependency, x86_sse_split_regs,
5291         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
5292         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
5293         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
5294         x86_use_incdec, x86_pad_returns, x86_bswap,
5295         x86_partial_flag_reg_stall): Remove.
5296         (enum ix86_tune_indices): New.
5297         (ix86_tune_features): New.
5298         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
5299         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
5300         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
5301         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
5302         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
5303         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
5304         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
5305         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
5306         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
5307         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
5308         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
5309         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
5310         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
5311         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
5312         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
5313         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
5314         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
5315         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
5316         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
5317         TARGET_EXT_80387_CONSTANTS): Use it.
5318         (enum ix86_arch_indices): New.
5319         (ix86_arch_features): New.
5320         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
5321         TARGET_BSWAP): Use it.
5322         (ix86_tune_mask, ix86_arch_mask): Remove.
5323
5324 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
5325
5326         PR bootstrap/31020
5327         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
5328         Define using $${sysroot_headers_suffix}.
5329         * configure: Regenerate.
5330         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
5331         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
5332         defined.
5333         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
5334         * gcc.c (print_sysroot_headers_suffix): New.
5335         (option_map): Include --print-sysroot-headers-suffix.
5336         (display_help): Mention -print-sysroot-headers-suffix.
5337         (process_command): Handle -print-sysroot-headers-suffix.
5338         (do_spec_1): Append multilib directory to include-fixed path if
5339         sysroot suffixes in use.
5340         (main): Handle -print-sysroot-headers-suffix.
5341         * Makefile.in (start.encap): Don't depend on xlimits.h
5342         (xlimits.h): Remove.
5343         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
5344         limits.h for each multilib in fixinc_list.
5345         (fixinc_list, s-fixinc_list): New.
5346         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
5347         generate them for each multilib in fixinc_list.
5348         (stmp-fixproto): Use include-fixed.  Run fixproto for each
5349         multilib in fixinc_list.
5350         (mostlyclean): Don't remove xlimits.h.
5351         (clean): Remove include-fixed.
5352         (real-install-headers-tar, real-install-headers-cpio,
5353         real-install-headers-cp): Don't copy include, only include-fixed.
5354         (install-mkheaders): Depend on fixinc_list.  Don't depend on
5355         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
5356         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
5357         SYSTEM_HEADER_DIR setting in mkheaders.conf.
5358
5359 2007-03-06  Jan Hubicka  <jh@suse.cz>
5360
5361         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
5362         NANs easilly.
5363
5364 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5365
5366         * configure.ac: Allow tm_file to contain build-directory files.
5367         * configure: Regenerate.
5368         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
5369         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
5370         * config/m68k/print-sysroot-suffix.sh: New file.
5371
5372 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5373
5374         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
5375         of pic_offset_table_rtx if reload_completed.
5376         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
5377         PIC_OFFSET_TABLE_REGNUM.
5378         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
5379         return true.
5380         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
5381         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
5382
5383 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5384
5385         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
5386         functions that call eh_return.
5387
5388 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5389
5390         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
5391         functions that need a constant pool.
5392
5393 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5394
5395         PR target/28181
5396         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
5397         (m68k_preferred_reload_class): Likewise.
5398         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
5399         (SECONDARY_RELOAD_CLASS): Define.
5400         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
5401         (LIMIT_RELOAD_CLASS): Delete.
5402         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
5403         registers from storing bytes.
5404         (m68k_secondary_reload_class): New function.
5405         (m68k_preferred_reload_class): Likewise.
5406
5407 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5408
5409         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
5410         leaf functions.
5411         (m68k_expand_prologue): Likewise.
5412
5413 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5414
5415         * config/m68k/m68k-protos.h (output_sibcall): Declare.
5416         (mips_expand_epilogue): Add a bool parameter.
5417         (m68k_legitimize_sibcall_address): Declare.
5418         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
5419         (m68k_expand_epilogue): Add a parameter to select between sibling
5420         and normal epilogues.  Only generate a return for the latter.
5421         (m68k_ok_for_sibcall_p): New function.
5422         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
5423         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
5424         (sibcall_value, *sibcall_value): Likewise.
5425         (*call, *call_value): Require !SIBLING_CALL_P.
5426         (epilogue): Update call to m68k_expand_epilogue.
5427         (sibcall_epilogue): New pattern.
5428         * config/m68k/predicates.md (const_call_operand): Say that this
5429         predicate applies to sibling calls too.
5430         (sibcall_operand): New predicate.
5431
5432 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5433
5434         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
5435         alternatives as movsi_cf.
5436         (movsf_cf_hard): Add commentary.
5437
5438 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
5439             Richard Sandiford  <richard@codesourcery.com>
5440
5441         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
5442         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
5443         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
5444         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
5445         as being live on exit from an interrupt function.
5446         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
5447         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
5448         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
5449         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
5450         (m68k_interrupt_function_p): Globalize.
5451         (m68k_compute_frame_layout): Remove reverse mask code.
5452         (m68k_emit_movem, m68k_set_frame_related): New functions.
5453         (m68k_output_function_prologue): Delete in favor of...
5454         (m68k_expand_prologue): ...this new function.
5455         (m68k_output_function_epilogue): Delete in favor of...
5456         (m68k_expand_epilogue): ...this new function.
5457         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
5458         functions.
5459         (print_operand): Handle %?.
5460         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
5461         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
5462         (prologue, epilogue): New patterns.
5463         (return): Turn into a define_expand.
5464         (*return): New pattern, derived from old "return" pattern.  Use rte
5465         rather than rts for interrupt functions.  Only use rtd if the pop
5466         count is nonzero.
5467         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
5468         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
5469         (link, *link, unlink, *unlink, load_got): Likewise.
5470
5471 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5472
5473         PR target/23482
5474         PR target/17114
5475         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
5476         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
5477         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
5478         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
5479         and m68k_matches_u_p.
5480         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
5481         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
5482         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
5483         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
5484         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
5485         (REG_STRICT_P): New macro.
5486         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
5487         PCREL_GENERAL_OPERAND_OK.
5488         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
5489         m68k_legitimate_base_reg_p.
5490         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
5491         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
5492         (PIC_CASE_VECTOR_ADDRESS): Update comment.
5493         * config/m68k/m68k.c (m68k_address): New structure.
5494         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
5495         (m68k_decompose_index, m68k_legitimate_constant_address_p)
5496         (m68k_jump_table_ref_p, m68k_decompose_address)
5497         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
5498         (m68k_matches_u_p): New functions.
5499         (print_operand_address): Rewrite to use m68k_decompose_index.
5500
5501 2007-03-05  David Taylor  <dtaylor@emc.com>
5502
5503         * gcc.c: Correct copyright date in --version output.
5504
5505 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5506
5507         * pa.md: In unamed move patterns, disparge copies between general
5508         and floating point registers using '?' modifier.  Don't include 'f'
5509         constraint for register preferences in DImode, SImode, HImode and
5510         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
5511         Remove constraints for copies between general and floating registers
5512         in soft-float DFmode pattern.
5513         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
5514         floating register.
5515         (movsf): Likewise.
5516
5517 2007-03-05  Mike Stump  <mrs@apple.com>
5518
5519         * c-common.c (targetcm): Add.
5520         * c-opts.c (c_common_handle_option): Handle language specific
5521         target options.
5522         * opts.c (handle_option): Verify language for target options, if
5523         any are given.
5524         * opth-gen.awk: Add CL_LANG_ALL.
5525         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
5526         (TARGETCM_INITIALIZER): Add.
5527         * target.h (struct gcc_targetcm): Add.
5528         (targetcm): Add.
5529         * targhooks.c (default_handle_c_option): Add.
5530         * targhooks.h (default_handle_c_option): Add.
5531         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
5532
5533         * config/darwin.opt (iframework): Add.
5534         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
5535         * config/darwin-c.c (handle_c_option): Add.
5536         (TARGET_HANDLE_C_OPTION): Add.
5537         (targetcm): Add.
5538         * doc/invoke.texi (Darwin Options): Add -iframework.
5539
5540 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5541
5542         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
5543         conversion.
5544
5545 2007-03-05  Ian Lance Taylor  <iant@google.com>
5546
5547         * c.opt (fgnu89-inline): New option.
5548         * c-opts.c (c_common_post_options): Set default value for
5549         flag_gnu89_inline.
5550         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
5551         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
5552         inline functions.
5553         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
5554         (grokdeclarator, start_function): Likewise.
5555         * c-cppbuiltin.c (c_cpp_builtins): Define either
5556         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
5557         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
5558         (C Dialect Options): Document -fgnu89-inline.
5559         * doc/extend.texi (Function Attributes): Explain what the
5560         gnu_inline attribute does.
5561         * doc/cpp.texi (Common Predefined Macros): Document
5562         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
5563
5564 2007-03-05  Ian Lance Taylor  <iant@google.com>
5565
5566         PR tree-optimization/31034
5567         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
5568         half-range if the other side is an overflow infinity.
5569
5570 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
5571
5572         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
5573         (bfin*-linux-uclibc*): New configuration.
5574         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
5575         defining.
5576         * config/bfin/linux.h: New file.
5577         * config/bfin/libgcc-bfin.ver: New file.
5578         * config/bfin/t-bfin-uclinux: New file.
5579         * config/bfin/t-bfin-linux: New file.
5580         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
5581         (TARGET_OS_CPP_BUILTINS): New macro.
5582
5583 2007-03-05  Richard Guenther  <rguenther@suse.de>
5584
5585         * fold-const.c (fold_binary): Remove duplicate folding
5586         of comparison of non-null ADDR_EXPR against null.
5587
5588 2007-03-05  Richard Guenther  <rguenther@suse.de>
5589             Dorit Nuzman  <dorit@il.ibm.com>
5590
5591         PR tree-optimization/26420
5592         * tree-vectorizer.c (vectorize_loops): Bail out early if there
5593         are no loops in the function.  Only print the number of
5594         vectorized loops if it is greater than zero or we are supposed
5595         to print information about unvectorized loops.
5596
5597 2007-03-05  Revital Eres  <eres@il.ibm.com>
5598
5599         * gcc.dg/var-expand1.c: New test.
5600         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
5601         when an accumulator is expanded.
5602
5603 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5604
5605         PR other/30465
5606         * c-common.c (convert_and_check): Don't give warnings for
5607         conversion if 'expr' already overflowed.
5608
5609 2007-03-04  Roger Sayle  <roger@eyesopen.com>
5610
5611         PR middle-end/30744
5612         * fold-const.c (fold_comparison): Enforce type consistency when
5613         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
5614
5615 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
5616
5617         * tree-ssa-address.c (create_mem_ref): Do not put an expression
5618         containing a cast to the base of TARGET_MEM_REF.
5619
5620 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
5621
5622         * tree.c (tree_contains_struct_check_failed): Remove spurious
5623         whitespace from error message.
5624
5625 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
5626
5627         PR target/30406
5628         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
5629         instead of precision.
5630
5631 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
5632             Nathan Sidwell  <nathan@codesourcery.com>
5633
5634         * emit-rtl.c (find_auto_inc): New.
5635         (try_split): recreate REG_INC notes,
5636         Use regular for loops rather than whiles.
5637
5638 2007-03-03  Andreas Schwab  <schwab@suse.de>
5639
5640         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
5641         * configure: Regenerate.
5642
5643 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5644
5645         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
5646         flag_rounding_math, not flag_unsafe_math_optimizations.
5647
5648         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
5649         fold_build2.
5650         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
5651         alpha_fold_vector_minmax): Likewise.
5652         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
5653         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
5654
5655 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
5656
5657         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
5658         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
5659         if the lhs has side-effects.
5660         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
5661
5662 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5663
5664         * config/i386/i386.h (TUNEMASK): Remove define.
5665         (ARCHMASK): Remove define.
5666         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
5667          Use ix86_arch_mask variable instead of ARCHMASK.
5668         * config/i386/i386.c (override_options): Ditto.
5669         (standard_80387_constant_p): Ditto.
5670
5671 2007-03-02  Ian Lance Taylor  <iant@google.com>
5672
5673         Used signed infinities in VRP.
5674         * tree-vrp.c (uses_overflow_infinity): New static function.
5675         (supports_overflow_infinity): New static function.
5676         (make_overflow_infinity): New static function.
5677         (negative_overflow_infinity): New static function.
5678         (positive_overflow_infinity): New static function.
5679         (is_negative_overflow_infinity): New static function.
5680         (is_positive_overflow_infinity): New static function.
5681         (is_overflow_infinity): New static function.
5682         (overflow_infinity_range_p): New static function.
5683         (compare_values_warnv): New function split out of compare_values.
5684         (compare_value): Call it.
5685         (set_value_range_to_nonnegative): Add overflow_infinity
5686         parameter.  Change caller.
5687         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
5688         Change callers.
5689         (vrp_expr_computes_nonzero): Likewise.
5690         (compare_ranges, compare_range_with_value): Likewise.
5691         (compare_name_with_value, compare_names): Likewise.
5692         (vrp_evaluate_conditional): Likewise.
5693         (set_value_range): Handle infinity
5694         (vrp_operand_equal_p, operand_less_p): Likewise.
5695         (extract_range_from_assert): Likewise.
5696         (vrp_int_const_binop): Likewise.
5697         (extract_range_from_binary_expr): Likewise.
5698         (extract_range_from_unary_expr): Likewise.
5699         (extract_range_from_comparison): Likewise.
5700         (extract_range_from_expr): Likewise.
5701         (dump_value_range): Likewise.
5702         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
5703         (test_for_singularity): Likewise.
5704         (vrp_int_const_binop): Remove inline qualifier.
5705         (adjust_range_with_scev): Add comment.
5706         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
5707
5708 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
5709
5710         * tree-ssa-structalias.c (could_have_pointers): Tidy.
5711         (get_constraint_for): Likewise.
5712         (do_structure_copy): Likewise.
5713         (find_func_aliases): Fix references to MODIFY_EXPR.
5714         (intra_create_variable_infos): Tidy.
5715         * tree-ssa-operands.c (add_virtual_operand): Add argument
5716         IS_CALL_SITE.
5717         When adding members of alias sets, if IS_CALL_SITE is true and
5718         the symbol is not call-clobbered, skip it.
5719         Adjust all callers.
5720
5721 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
5722
5723         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
5724         entry by means of emit_insn_at_entry.
5725
5726 2007-03-02  Richard Henderson  <rth@redhat.com>
5727
5728         * expr.h (promoted_input_arg): Remove decl.
5729         * function.c (promoted_input_arg): Merge into ...
5730         * combine.c (setup_incoming_promotions): ... only caller.
5731         Rearrange to avoid double loop.
5732
5733 2007-03-02  Ben Elliston  <bje@au.ibm.com>
5734             Peter Bergner  <bergner@vnet.ibm.com>
5735             Janis Johnson  <janis187@us.ibm.com>
5736
5737         * config/rs6000/dfp.md: New file.
5738         * config/rs6000/rs6000.md: Include dfp.md.
5739         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
5740         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
5741         and TDmode decimal float modes in FP registers.
5742         (num_insns_constant): Likewise.
5743         (rs6000_legitimate_offset_address_p): Likewise.
5744         (rs6000_legitimize_address): Likewise.
5745         (rs6000_legitimize_reload_address): Likewise.
5746         (rs6000_legitimate_address): Likewise.
5747         (rs6000_emit_move): Likewise.
5748         (function_arg_boundary): Likewise.
5749         (function_arg_advance): Likewise.
5750         (rs6000_darwin64_record_arg_recurse): Likewise.
5751         (function_arg): Likewise.
5752         (rs6000_gimplify_va_arg): Likewise.
5753         (rs6000_split_multireg_move): Likewise.
5754         (rs6000_output_function_epilogue): Likewise.
5755         (rs6000_output_function_epilogue): Likewise.
5756         (rs6000_register_move_cost): Likewise.
5757         (rs6000_function_value): Likewise.
5758         (rs6000_libcall_value): Likewise.
5759
5760 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
5761
5762         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
5763
5764 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
5765
5766         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
5767         Use $MULTIDIR to choose between the kernel and RTP headers,
5768         and use $WIND_BASE and $WIND_USR to locate them.
5769
5770 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5771
5772         * config/i386/i386.c (override_options): Put initialization of
5773         ix86_tune_mask and ix86_arch_mask to the correct place.
5774
5775 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5776             Michael Meissner  <michael.meissner@amd.com>
5777
5778         PR target/31019
5779         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
5780         (ARCHMASK): Define.
5781         (TARGET_CMOVE): Use ARCHMASK.
5782         (TARGET_CMPXCHG): Ditto.
5783         (TARGET_CMPXCHG8B): Ditto.
5784         (TARGET_XADD): Ditto.
5785         (TARGET_BSWAP): Ditto.
5786         * config/i386/i386.c (ix86_tune_mask): New global variable.
5787         (ix86_arch_mask): Ditto.
5788         (override_options): Initialize ix86_tune_mask and
5789         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
5790         target_flags.
5791
5792 2007-03-02  Ben Elliston  <bje@au.ibm.com>
5793
5794         PR 30992
5795         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
5796
5797 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
5798
5799         * target.h (init_dwarf_reg_sizes_extra): New target hook.
5800         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
5801         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
5802         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
5803         hook.
5804         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
5805         rs6000_init_dwarf_reg_sizes_extra): New.
5806         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
5807         SPE register high parts.
5808
5809 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
5810
5811         * Makefile.in: Add install-pdf target as
5812         copied from automake v1.10 rules.
5813         * configure.ac: Add install-pdf to target list.
5814         * configure: Regenerate.
5815
5816 2007-03-01  Paul Brook  <paul@codesourcery.com>
5817
5818         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
5819         modes to LDRD for DImode.
5820         (output_move_double): Fixup out of range ldrd/strd.
5821         (vfp_secondary_reload_class): Rename...
5822         (coproc_secondary_reload_class): ... to this.  Add wb argument.
5823         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
5824         coproc_secondary_reload_class for CLASS_IWMMXT.
5825         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
5826         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
5827
5828 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
5829
5830         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
5831         factor by the estimated number of iterations.
5832         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
5833         prefetch latency.
5834
5835         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
5836         decode_caches_intel, detect_caches_intel): New functions.
5837         (host_detect_local_cpu): Use detect_caches_amd and
5838         detect_caches_intel.
5839
5840 2007-03-01  Richard Henderson  <rth@redhat.com>
5841
5842         * expr.c (emit_move_complex_push): Export.
5843         (emit_move_complex_parts): Split out from ...
5844         (emit_move_complex): ... here.
5845         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
5846         * config/i386/i386.md (movcdi): New.
5847
5848 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
5849
5850         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
5851         size of mode1 to check for tieable modes in MMX case.
5852
5853 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
5854
5855         * Makefile.in (rtlanal.o): Depend on tree.h.
5856         * rtl.h (offset_within_section_p, split_const): Declare.
5857         * rtlanal.c: Include tree.h.
5858         (offset_within_block_p): New function, taken from
5859         mips_offset_within_object_p.
5860         (split_const): New function, taken from mips_split_const.
5861         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
5862         Declare.
5863         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
5864         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
5865         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
5866         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
5867         (m68k_illegitimate_symbolic_constant_p): New function.
5868         * config/m68k/m68k.md (movsi): Remove misleading predicates.
5869         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
5870         symbolic constant that might be outside the symbol's section,
5871         move the symbol first and then add the offset.
5872         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
5873         Override.
5874         * config/mips/mips.c (mips_split_const): Delete.
5875         (mips_offset_within_object_p): Delete.
5876         (mips_symbolic_constant_p): Use offset_within_section_p and
5877         split_const instead of mips_offset_within_object_p and
5878         mips_split_const.
5879         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
5880         (mips_legitimize_const_move, print_operand_reloc)
5881         (mips_dangerous_for_la25_p): Use split_const instead of
5882         mips_split_const.
5883
5884 2007-02-28  Eric Christopher  <echristo@apple.com>
5885
5886         * Makefile.in (install-include-dir): Don't rm -rf include.
5887
5888 2007-02-28  Richard Guenther  <rguenther@suse.de>
5889
5890         PR middle-end/30364
5891         * fold-const.c (fold_binary): Do not associate expressions
5892         with more than one variable for integer types that do not wrap.
5893
5894 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
5895
5896         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
5897         Delete, and replace with...
5898         (fold_builtin_call_array): This.  Update callers to use it.
5899         * fold-const.c (fold_build_call_list): Delete, and replace with...
5900         (fold_build_call_array): This.
5901         (fold_build_call_list_initializer): Delete, and replace with...
5902         (fold_build_call_array_initializer): This.
5903         * tree.h: Update declarations to reflect above changes.
5904
5905         * c-typeck.c (build_function_call): Store converted arguments
5906         in a stack-allocated array instead of building a list.
5907         (convert_arguments): Store arguments in the array passed in as an
5908         argument, and return the actual number of arguments.
5909         * c-format.c: (check_function_format): Pass arguments in an
5910         array instead of a list.
5911         * c-common.c (check_function_nonnull): Likewise.
5912         (check_function_sentinel): Likewise.
5913         (check_function_arguments): Likewise.
5914         * c-common.h: Update declarations to reflect above changes.
5915
5916 2007-02-28  Jan Hubicka  <jh@suse.cz>
5917
5918         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
5919         PRED_NEGATIVE_RETURN): Update outcomes.
5920
5921 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
5922
5923         * calls.c (emit_library_call_value_1): Handle partial registers
5924         correctly when building up CALL_INSN_FUNCTION_USAGE.
5925
5926 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5927
5928         * pa/predicates.md (move_src_operand): Allow zero for mode.
5929         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
5930         move pattern.
5931
5932 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
5933
5934         PR target/30970
5935         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
5936         *movv2df_internal): Enable pattern only for valid operand
5937         combinations.
5938         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
5939         tie only 128bit modes. For MMX registers, tie only 64bit modes.
5940
5941 2007-02-27  Mike Stump  <mrs@apple.com>
5942
5943         * config/darwin-crt3.c: Avoid compilation when compiling for a
5944         kext multilib.
5945
5946 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
5947
5948         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
5949         FIXED_INCLUDE_DIR.
5950         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
5951         for fixed headers and limits.h.
5952         (install-include-dir, install-headers-tar, install-headers-cpio,
5953         install-headers-cp, real-install-headers-tar,
5954         real-install-headers-cpio, real-install-headers-cp): Handle
5955         include-fixed as well as include.
5956         (install-mkheaders): Don't install files that go only in include
5957         not include-fixed.
5958         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
5959         from GCC_INCLUDE_DIR.
5960         * gcc.c (process_command): Remove special -BstageN/ handling.
5961         (do_spec_1): Add include-fixed directories.
5962
5963 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5964
5965         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
5966         _smulsi3_highpart.
5967         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
5968         New functions.
5969         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
5970         patterns.
5971
5972 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
5973
5974         * c-common.c (get_priority): Add check for
5975         SUPPORTS_INIT_PRIORITY.
5976
5977 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5978
5979         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
5980
5981         * config/bfin/bfin.c: Include "cfglayout.h".
5982         (MAX_LSETUP_DISTANCE): New macro.
5983         (struct loop_info): New members incoming, incoming_src and
5984         incoming_dest.  Delete member predecessor.
5985         (length_for_loop): New function.
5986         (bfin_optimize_loop): Handle more different loop structures.
5987         (bfin_discover_loop): Rework detection of predecessor blocks by
5988         examining incoming edges.
5989         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
5990         bfin_reorg_loops.
5991         (bfin_reorder_loops): New function.
5992         (bfin_reorg_loops): Use these three new functions.
5993
5994         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
5995         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
5996         (CONSTRAINT_LEN): Add entry for 'q'.
5997         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
5998         Add 'q' constraints.
5999         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
6000         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
6001
6002         * config/bfin/bfin.md (add_with_carry): New pattern.
6003         (s_or_u, su_optab, su_modifier): New code macros/attrs.
6004         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
6005         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
6006         support unsigned multiplies too.  Removed incorrect commutativity from
6007         operand 1 constraint where appropriate.
6008         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
6009         patterns.
6010         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
6011         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
6012         New patterns.
6013         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
6014         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
6015         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
6016         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
6017         usmulhisi_hh_huh): New patterns.
6018
6019         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
6020         lshifthi3): Fix output template to use half reg for operand 2.
6021
6022         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
6023         instead of R2.
6024
6025         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
6026
6027 2007-02-27  Andreas Schwab  <schwab@suse.de>
6028
6029         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
6030
6031 2007-02-27  Jan Hubicka  <jh@suse.cz>
6032
6033         * predict.c (last_basic_block_p): Remove.
6034         (tree_estimate_probability): Update return heuristic for commonized
6035         return blocks.
6036
6037 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
6038
6039         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
6040
6041 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
6042
6043         * doc/include/gcc-common.texi (versionsubtitle): New macro.
6044         * doc/cpp.texi: Standardize title page.
6045         * doc/cppinternals.texi: Likewise.
6046         * doc/gcc.texi: Standardize title page, remove version number
6047         from copyright page.
6048         * doc/gccint.texi: Likewise.
6049         * doc/install.texi: Standardize title page, add table of
6050         contents.
6051
6052 2007-02-26  Jan Hubicka  <jh@suse.cz>
6053
6054         * predict.def: Set outcomes according to more recent results.
6055         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
6056         Remove dead predictors.
6057         * predict.c (return_prediction): Fix pasto.
6058
6059 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
6060
6061         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
6062         change; avoid a memory leak when returning early.
6063
6064 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
6065
6066         * c-decl.c (static_ctors): Move to c-common.c.
6067         (static_dtors): Likewise.
6068         (finish_function): Use c_record_cdtor_fn.
6069         (build_cdtor): Move to c-common.c.
6070         (c_write_global_declarations): Use c_build_cdtor_fns.
6071         * c-common.h (static_ctors): Declare.
6072         (static_dtors): Likewise.
6073         (c_record_cdtor_fn): Likewise.
6074         (c_build_cdtor_fns): Likewise.
6075         * c-common.c (static_ctors): New variable.
6076         (static_dtors): Likewise.
6077         (c_record_cdtor_fn): New function.
6078         (build_cdtor): Move from c-decl.c
6079         (c_build_cdtor_fns): New function.
6080
6081         * output.h (assemble_addr_to_section): Declare.
6082         (get_cdtor_priority_section): Likewise.
6083         * varasm.c (assemble_addr_to_section): New function.
6084         (get_cdtor_priority_section): Likewise.
6085         (default_named_section_asm_out_destructor): Use them.
6086         (destor_dtor_section_asm_out_destructor): Likewise.
6087         (default_named_section_asm_out_constructor): Likewise.
6088         (default_ctor_section_asm_out_constructor): Likewise.
6089         * config.gcc (*-*-vxworks*): Include vxworks.o.
6090         * config/t-vxworks (vxworks.o): New target.
6091         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
6092         (TARGET_ASM_CONSTRUCTOR): Define.
6093         (TARGET_ASM_DESTRUCTOR): Likewise.
6094         (vxworks_asm_out_constructor): Declare.
6095         (vxworks_asm_out_destructor): Likewise.
6096
6097         * c-common.c (get_priority): Check that we have not just an
6098         INTEGER_CST, but an integer constant with integeral type.
6099
6100 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
6101
6102         PR tree-optimization/30938
6103         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
6104         use &dt[nargs-1] instead of &dt[nargs] in the call to
6105         vect_is_simple_use().
6106
6107 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
6108
6109         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
6110         from register elimination as PRE_MODIFY / POST_MODIFY increments.
6111         Do not attempt to handle MEM inside auto-inc expressions.
6112         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
6113         of a register modified by an auto-inc expression.  However, do handle
6114         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
6115         (elimination_effects): Prohibit elimination of a register modified
6116         by an auto-inc expression.  Disable register elimination rules whose
6117         target register is modified by an auto-inc expression with variable
6118         increment.
6119
6120 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
6121
6122         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
6123         off-by-one error.
6124         (array_at_struct_end_p): New function.
6125         (idx_infer_loop_bounds): Use it.
6126         (estimate_numbers_of_iterations_loop): Export.
6127         * predict.c (predict_loops): Use estimated_loop_iterations_int.
6128         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
6129         (tree_estimate_probability): Call record_loop_exits.
6130         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
6131         (estimated_loop_iterations, estimated_loop_iterations_int,
6132         estimated_loop_iterations_tree): New functions.
6133         (analyze_siv_subscript_cst_affine,
6134         compute_overlap_steps_for_affine_1_2,
6135         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
6136         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
6137         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
6138         (PRED_LOOP_ITERATIONS_GUESSED): New.
6139         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
6140         * cfgloop.h (estimate_numbers_of_iterations_loop,
6141         estimated_loop_iterations_int): Declare.
6142
6143 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
6144
6145         * doc/extend.texi: Document optional priority argument to
6146         constructors and destructors.
6147         * tree.c (init_priority_for_decl): Adjust GTY markers.
6148         (init_ttree): Use priority-info hash functions for
6149         init_priority_for_decl.
6150         (tree_map_eq): Rename to ...
6151         (tree_map_base_eq): ... this.
6152         (tree_map_marked_p): Rename to ...
6153         (tree_map_base_marked_p): ... this.
6154         (tree_map_base_hash): New function.
6155         (decl_init_priority_lookup): Rework.
6156         (decl_fini_priority_lookup): New function.
6157         (decl_priority_info): New function.
6158         (decl_init_priority_insert): Use it.
6159         (decl_fini_priority_insert): Likewise.
6160         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
6161         hierarchy.
6162         (decl_restrict_base_insert): Likewise.
6163         (decl_debug_expr_insert): Likewise.
6164         (decl_value_expr_lookup): Likewise.
6165         (decl_value_expr_insert): Likewise.
6166         * tree.h (priority_type): New type.
6167         (decl_init_priority_lookup): Use priority_type.
6168         (decl_fini_priority_lookup): New function.
6169         (decl_init_priority_insert): Use priority_type.
6170         (decl_fini_priority_insert): New function.
6171         (DECL_HAS_INIT_PRIORITY): Tweak comments.
6172         (DECL_INIT_PRIORITY): Likewise.
6173         (SET_DECL_INIT_PRIORITY): Add comment.
6174         (DECL_FINI_PRIORITY): New macro.
6175         (SET_DECL_FINI_PRIORITY): Likewise.
6176         (DEFAULT_INIT_PRIORITY): Document.
6177         (MAX_INIT_PRIORITY): Likewise.
6178         (MAX_RESERVED_INIT_PRIORITY): Likewise.
6179         (tree_map_base): New type.
6180         (tree_map_base_eq): New function.
6181         (tree_map_base_hash): Likewise.
6182         (tree_map_base_marked_p): Likewise.
6183         (tree_map): Inherit from tree_map_base.
6184         (tree_map_eq): Make it a macro.
6185         (tree_map_marked_p): Likewise.
6186         (tree_int_map): Inherit from tree_map_base.
6187         (tree_int_map_eq): Make it a macro.
6188         (tree_int_map_hash): Likewise.
6189         (tree_int_map_marked_p): Likewise.
6190         (tree_priority_map): New type.
6191         (tree_priority_map_eq): New macro.
6192         (tree_priority_map_hash): Likewise.
6193         (tree_priority_map_marked_p): Likewise.
6194         * varasm.c (emults_decl): Adjust for refactoring of tree_map
6195         hierarchy.
6196         (emutls_common_1): Likewise.
6197         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
6198         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
6199         of tree_map hierarchy.
6200         * tree-cfg.c (move_stmt_r): Likewise.
6201         (new_label_mapper): Likewise.
6202         * c-tree.h (c_expand_body): Move to ...
6203         * c-common.h (c_expand_body): ... here.
6204         * c-decl.c (c_expand_body): Move to ...
6205         * c-common.c (c_expand_body): ... here.
6206         (c_common_attribute_table): Allow 1 argument for the constructor
6207         and destructor attributes.
6208         (get_priority): New function.
6209         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
6210         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
6211
6212 2007-02-24  Jan Hubicka  <jh@suse.cz>
6213
6214         PR middle-end/30509
6215         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
6216
6217 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
6218             Jan Hubicka  <jh@suse.cz>
6219
6220         PR target/30778
6221         * i386.c (counter_mode): New function.
6222         (expand_set_or_movmem_via_loop): Use it.
6223         (expand_movmem_epilogue): Likewise; fix pasto.
6224         (ix86_expand_movmem): Do emit guard even for constant counts.
6225         (ix86_expand_setmem): Likewise.
6226
6227 2007-02-25  Nick Clifton  <nickc@redhat.com>
6228
6229         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
6230         (JUMP_TABLES_IN_TEXT_SECTION): Define.
6231
6232 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
6233
6234         PR target/30770
6235         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
6236         count argument with 0x10, not with 0x16.
6237         (expand_setmem_epilogue): Ditto.
6238
6239 2007-02-24  Mike Stump  <mrs@apple.com>
6240
6241         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
6242         symbols.
6243
6244 2007-02-24  Richard Guenther  <rguenther@suse.de>
6245
6246         PR middle-end/30951
6247         * fold-const.c (fold_binary): Fold x +- CST op x for
6248         EQ_EXPR and NE_EXPR.
6249
6250 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6251
6252         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
6253
6254 2007-02-24  Jan Hubicka  <jh@suse.cz>
6255
6256         * cgraphunit.c (decide_is_function_needed): Honor
6257         -fkeep-inline-functions.
6258
6259 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6260
6261         * builtins.c (fold_builtin_modf): New.
6262         (fold_builtin_2): Use it.
6263
6264 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
6265
6266         * loop-iv.c (implies_p): Detect additional cases where A implies B.
6267         (determine_max_iter): Take additional LOOP arg; all callers changed.
6268         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
6269         one using simplifications.
6270         (simplify_using_initial_values): Return if the expression becomes
6271         invalid due to altered regs.
6272
6273 2007-02-23  DJ Delorie  <dj@redhat.com>
6274
6275         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
6276
6277 2007-02-23  Mike Stump  <mrs@apple.com>
6278
6279         * tlink.c (scan_linker_output): Parse linker messages from
6280         darwin9's linker better.
6281
6282 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
6283
6284         PR debug/29614
6285         * varpool.c (varpool_assemble_pending_decls):  Set
6286         varpool_last_needed_node to null.
6287
6288 2007-02-23  DJ Delorie  <dj@redhat.com>
6289
6290         * config/i386/i386.c (ix86_data_alignment): Don't specify an
6291         alignment bigger than the object file can handle.
6292
6293 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
6294
6295         PR target/30825
6296         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
6297         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
6298         (*movsf_1): Penalize MMX moves.
6299
6300 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
6301
6302         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
6303         2^32-1 or more times unless flag_unsafe_loop_optimizations.
6304
6305         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
6306
6307 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6308
6309         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
6310         (fold_builtin_1): Use them.
6311         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
6312         BUILT_IN_SIGNIFICAND.
6313
6314 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
6315
6316         * config/i386/i386.c (bdesc_1arg): Initialize
6317         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
6318         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
6319         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
6320         and IX86_BUILTIN_MOVSLDUP.
6321
6322 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
6323
6324         PR rtl-optimization/30841
6325         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
6326
6327 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6328
6329         * builtins.c (fold_builtin_frexp): New.
6330         (fold_builtin_2): Use it.
6331
6332 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
6333
6334         * doc/invoke.texi (Spec Files): Document getenv spec function.
6335
6336         * gcc.c (getenv_spec_function): New function.
6337         (static_spec_functions): Add it.
6338         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
6339         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
6340         header files.
6341
6342 2007-02-22  Michael Matz  <matz@suse.de
6343
6344         PR c++/29433
6345         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
6346         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
6347
6348 2007-02-22  Ian Lance Taylor  <iant@google.com>
6349
6350         PR debug/30898
6351         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
6352         (mem_loc_descriptor): Call it.
6353
6354 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
6355             Ira Rosen  <irar@il.ibm.com>
6356
6357         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
6358
6359 2007-02-22  Ira Rosen  <irar@il.ibm.com>
6360
6361         PR tree-optimization/30843
6362         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
6363         stores only after all the group is vectorized.
6364
6365 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
6366
6367         PR tree-optimization/30858
6368         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
6369         in the reduction cycle have a single use in the loop.
6370         * tree-vectorizer.h (relevant): Add documentation.
6371
6372 2007-02-20  Mike Stump  <mrs@apple.com>
6373
6374         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
6375         * configure: Regenerate.
6376
6377 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
6378
6379         Change the defaults of some parameters and options.
6380         * config/spu/spu-protos.h (spu_optimization_options): Declare.
6381         * config/spu/spu.c (spu_optimization_options): Add.
6382         (spu_override_options): Change params in spu_optimization_options.
6383         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
6384
6385         Register 127 is only 16 byte aligned when used as a frame pointer.
6386         * config/spu/spu-protos.h (spu_init_expanders): Declare.
6387         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
6388         HARD_FRAME_POINTER_REGNUM.
6389         (spu_legitimate_address):  Use regno_aligned_for_reload.
6390         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
6391         aligned when frame_pointer_needed is true.
6392         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
6393         to 8 bits.
6394         * config/spu/spu.h (INIT_EXPANDERS): Define.
6395
6396         Make sure shift and rotate instructions have valid immediate operands.
6397         * config/spu/predicates.md (spu_shift_operand): Remove.
6398         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
6399         * config/spu/constraints.md (W, O): Extend range.
6400         * config/spu/spu.md (umask, nmask): Define.
6401         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
6402         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
6403         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
6404         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
6405         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
6406         (lshr<mode>3_reg):  Fix rtl description.
6407
6408         Make sure mulhisi immediate operands are valid.
6409         * config/spu/predicates.md (imm_K_operand): Add.
6410         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
6411
6412         Generate constants using fsmbi and andi.
6413         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
6414         (print_operand, spu_split_immediate, classify_immediate,
6415         fsmbi_const_p): Handle IC_FSMBI2.
6416
6417         Correctly handle a CONST_VECTOR containing symbols.
6418         * config/spu/spu.c (print_operand): Handle HIGH correctly.
6419         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
6420         (immediate_load_p): Allow symbols that use 2 instructions to create.
6421         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
6422         with symbols when flag_pic is set.
6423         (const_vector_immediate_p): New.
6424         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
6425         accept a CONST_VECTOR with symbols.
6426         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
6427         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
6428         correctly.
6429         * config/spu/spu.md (high, low): Delete.
6430         (low_<mode>): Define.
6431
6432         Remove INTRmode and INTR_REGNUM, which didn't work.
6433         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
6434         of INTR_REGNUM.
6435         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
6436         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
6437         peephole2 pattern): Don't use INTR or 131.
6438         (movintrcc): Delete.
6439         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
6440         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
6441         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
6442         (UNSPEC_SET_INTR): Add.
6443         * config/spu/spu-modes.def (INTR): Remove.
6444
6445         More accurate warnings about run-time relocations.
6446         * config/spu/spu.c (reloc_diagnostic): Test in_section.
6447
6448         Correctly warn about immediate arguments to specific intrinsics.
6449         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
6450         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
6451         the instruction predicate.
6452
6453         Fix tree check errors with latest update.
6454         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
6455         CALL_EXPR_ARG.
6456         (spu_expand_builtin): Use CALL_EXPR_FN.
6457
6458         Add missing specific intrinsics.
6459         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
6460         si_bislede.
6461         * config/spu/spu_internals.h: Ditto.
6462
6463         Fix incorrect operand modifiers.
6464         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
6465         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
6466
6467         Optimize one case of zero_extend of a vec_select.
6468         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
6469
6470         Accept any immediate for hbr.
6471         * config/spu/spu.md (hbr):  Change s constraints to i.
6472
6473 2007-02-21  Paul Brook  <paul@codesourcery.com>
6474
6475         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
6476         condexec_count when skipping USE and CLOBBER.
6477
6478 2007-02-21  Nick Clifton  <nickc@redhat.com>
6479
6480         * common.opt (Warray-bounds): Add Warning attribute.
6481         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
6482         Likewise.
6483         (fsized-zeroes): Add Optimization attribute.
6484         (fsplit-wide-types, ftree-scev-cprop): Likewise.
6485         * c.opt (Wc++0x-compat): Add Warning attribute.
6486
6487 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
6488
6489         PR middle-end/30761
6490         * reload1.c (eliminate_regs_in_insn): In the single_set special
6491         case, attempt to re-recognize the insn before falling back to
6492         having reload fix it up.
6493
6494 2007-02-20  Eric Christopher  <echristo@gmail.com>
6495
6496         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
6497         Rewrite accordingly.
6498         (frv_read_iacc_argument): Ditto.
6499         (frv_expand_set_builtin): Take a call instead of arglist, update for
6500         above changes.
6501         (frv_expand_unop_builtin): Ditto.
6502         (frv_expand_binop_builtin): Ditto.
6503         (frv_expand_cut_builtin): Ditto.
6504         (frv_expand_binopimm_builtin): Ditto.
6505         (frv_expand_voidbinop_builtin): Ditto.
6506         (frv_expand_int_void2arg): Ditto.
6507         (frv_expand_prefetches): Ditto.
6508         (frv_expand_voidtriop_builtin): Ditto.
6509         (frv_expand_voidaccop_builtin): Ditto.
6510         (frv_expand_load_builtin): Ditto.
6511         (frv_expand_store_builtin): Ditto.
6512         (frv_expand_mdpackh_builtin): Ditto.
6513         (frv_expand_mclracc_builtin): Ditto.
6514         (frv_expand_mrdacc_builtin): Ditto.
6515         (frv_expand_mwtacc_builtin): Ditto.
6516         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
6517         calls for above.
6518
6519 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
6520
6521         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
6522         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
6523         cmpb instruction.
6524         (HAVE_GAS_DFP): Check for assembler support of decimal floating
6525         point instructions.
6526         * configure: Regenerate.
6527         * config.in: Regenerate.
6528         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
6529         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
6530         masks to power6 and power6x and to POWERPC_MASKS.
6531         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6532         _ARCH_PWR6.
6533         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
6534         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
6535         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
6536         Access PROTOTYPE as variable, not mask.
6537
6538 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
6539
6540         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
6541         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
6542         * combine.c (adjust_for_new_dest): Use it.
6543         * postreload.c (reload_combine): Likewise.
6544
6545 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
6546
6547         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
6548         notes on an insn with multiple sets, even if single_set returns
6549         non-NULL for that insn.
6550
6551 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6552
6553         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
6554         scalbn and scalbln.
6555
6556 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
6557
6558         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
6559         if user didn't pass it.
6560         * config/i386/darwin.h (CC1_SPEC): Likewise.
6561         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
6562         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
6563         -mmacosx-version-min.
6564
6565 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6566             Uros Bizjak  <ubizjak@gmail.com>
6567
6568         * optabs.h (enum optab_index): Add new OTI_scalb.
6569         (scalb_optab): Define corresponding macro.
6570         * optabs.c (init_optabs): Initialize scalb_optab.
6571         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
6572         patterns.
6573         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
6574         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
6575         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
6576         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
6577         flag_unsafe_math_optimizations is set.
6578
6579         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
6580         to implement scalbf, scalb and scalbl built-ins as inline x87
6581         intrinsics.
6582
6583 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6584             DJ Delorie <dj@redhat.com>
6585
6586         PR other/30824
6587         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
6588         (diagnostic_report_diagnostic): ... here, and turn them into real
6589         errors. If warnings are inhibited, no need to do anything.
6590
6591 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
6592
6593         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
6594         better code generation.
6595
6596 2007-02-20  Ben Elliston  <bje@au.ibm.com>
6597
6598         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
6599
6600 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
6601
6602         * config/alpha/alpha.c, config/alpha/alpha.md,
6603         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
6604         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
6605         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
6606         config/arm/lib1funcs.asm: Follow spelling conventions.
6607
6608         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
6609         config/fr30/fr30.md, config/i386/i386.h,
6610         config/iq2000/iq2000.h, config/iq2000/predicates.md,
6611         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
6612         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
6613         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
6614         config/rs6000/altivec.md, config/rs6000/rs6000.c,
6615         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
6616         config/sparc/sparc.c, config/sparc/sparc.h,
6617         config/sparc/sparc.md, config/spu/constraints.md,
6618         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
6619         conventions.
6620
6621 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
6622
6623         PR target/29943
6624         * varasm.c (use_blocks_for_decl_p): Return false for decls with
6625         alias attribute.
6626
6627 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
6628
6629         * doc/invoke.texi (-ftree-lrs): Remove.
6630
6631 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
6632
6633         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
6634         NULL.
6635
6636 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
6637
6638         * config/ia64/ia64.c (ia64_expand_builtin): Use the
6639         new CALL_EXPR_FN macro for retrieving the function
6640         declaration of the input expression.
6641
6642 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6643
6644         * c.opt (Waddress): New.
6645         * common.opt (Walways-true): Delete.
6646         (Wstring-literal-comparison): Delete.
6647         * doc/invoke.texi (Warning Options): Delete -Walways-true and
6648         -Wstring-literal-comparison. Add -Waddress.
6649         (Waddress): New.
6650         (Walways-true): Delete.
6651         (Wstring-literal-comparison): Delete.
6652         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
6653         consistently instead of -Walways-true in example.
6654         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
6655         * c-typeck.c (parser_build_binary_op): Replace
6656         -Wstring-literal-comparison and -Walways-true with -Waddress.
6657         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
6658         with -Waddress.
6659
6660 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
6661
6662         * tree-cfg.c (dump_function_to_file): Be prepared for functions
6663         without DECL_STRUCT_FUNCTION initialized.
6664
6665 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
6666
6667         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
6668         due to calls to functions taking pointers as parameters.
6669
6670 2007-02-19  Richard Henderson  <rth@redhat.com>
6671
6672         PR debug/29558
6673         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
6674         in memory.
6675
6676 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
6677
6678         * config/s390/s390.c (s390_call_saved_register_used,
6679         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
6680         accessed to the new scheme.
6681
6682 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
6683
6684         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
6685         (cris_print_index, cris_print_operand, cris_print_operand_address)
6686         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
6687         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
6688         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
6689         GET_CODE () == xxx.
6690         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
6691         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
6692         GO_IF_LEGITIMATE_ADDRESS): Ditto.
6693         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
6694         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
6695         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
6696         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
6697         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
6698         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
6699         (uminsi3, call, call_value): Ditto.
6700         (define_split: indir_to_reg_split, unnamed): Ditto.
6701
6702 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
6703
6704         PR tree-optimization/30975
6705         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
6706         wrong assert.
6707
6708 2007-02-18  Eric Christopher  <echristo@gmail.com>
6709
6710         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
6711         Remove use of arglist.
6712         (mips_expand_builtin): Remove use of arglist, pass in expr.
6713         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
6714         (mips_expand_builtin_movtf): Ditto.
6715         (mips_expand_builtin_compare): Ditto.
6716
6717 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
6718
6719         * tree-sra.c (sra_build_assignment): Replace assertion
6720         checking with a comment explaining why it can't be done.
6721
6722 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
6723
6724         PR middle-end/30833
6725         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
6726         during CALL_EXPR representation conversion.
6727         * tree-ssa-propagate.c (set_rhs): Likewise.
6728
6729 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
6730
6731         * tree-sra.c (sra_build_assignment): Disable assertion checking
6732         for now.
6733
6734 2007-02-18  Roger Sayle  <roger@eyesopen.com>
6735
6736         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
6737         instead of calling build2 with a GIMPLE_MODIFY_STMT.
6738         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
6739         Likewise.
6740         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
6741         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
6742         gimplify_init_ctor_eval_range, gimple_push_cleanup,
6743         gimplify_omp_for, gimplify_omp_atomic_pipeline,
6744         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
6745         force_gimple_operand): Likewise.
6746         * ipa-cp.c (constant_val_insert): Likewise.
6747         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6748         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
6749         perfect_nestify): Likewise.
6750         * langhooks.c (lhd_omp_assignment): Likewise.
6751         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
6752         lower_copyprivate_clauses, lower_send_clauses,
6753         lower_send_shared_vars, expand_parallel_call,
6754         expand_omp_for_generic, expand_omp_for_static_nochunk,
6755         expand_omp_for_static_chunk, expand_omp_sections,
6756         lower_omp_single_copy, lower_omp_for_lastprivate,
6757         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
6758         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
6759         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
6760         Likewise.
6761
6762 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
6763
6764         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
6765         config/sh/sh.md: Follow spelling conventions.
6766
6767         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
6768         config/frv/predicates.md: Follow spelling conventions.
6769
6770         * config/m68k/linux-unwind.h: Fix a comment typo.
6771         * target.h: Follow spelling conventions.
6772
6773 2007-02-18  Roger Sayle  <roger@eyesopen.com>
6774
6775         PR rtl-optimization/28173
6776         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
6777         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
6778         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
6779         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
6780         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
6781
6782 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6783
6784         * builtins.c (fold_builtin_load_exponent): New.
6785         (fold_builtin_2): Use it.
6786
6787 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
6788
6789         PR rtl-optimization/30773
6790         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
6791         if we fail to attach a REG_EQUIV note.
6792
6793 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
6794             Roger Sayle  <roger@eyesopen.com>
6795
6796         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
6797
6798 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
6799
6800         * calls.c (initialize_argument_information): Pass original EXP
6801         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
6802         code to split complex arguments here, as part of initializing the
6803         ARGS array.
6804         (expand_call): Remove code that builds a list of arguments and
6805         inserts implicit arguments into it.  Instead, just count how many
6806         implicit arguments there will be so we can determine the size of
6807         the ARGS array, and let initialize_argument_information do the work.
6808         (split_complex_values): Delete unused function.
6809
6810 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
6811
6812         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
6813
6814 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
6815
6816         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
6817         for arg pointer based indexed addressing.
6818
6819 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
6820
6821         * config/ia64/ia64.h, config/ia64/ia64.md,
6822         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
6823         spelling conventions.
6824
6825 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6826
6827         * config/m68k/m68k.c (split_di): New.
6828         * config/m68k/m68k-protos.h: Declare split_di.
6829         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
6830           Improve predicate handling and split constant shifts.
6831
6832 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6833
6834         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
6835         parameter for register bitfield operations, general predicates
6836         cleanup
6837
6838 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6839
6840         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
6841         * config/m68k/linux-unwind.h: New file.
6842
6843 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
6844
6845         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
6846         config/i386/athlon.md, config/ia64/ia64.md,
6847         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
6848         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
6849         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
6850         tree-ssa-loop-niter.c, tree-vect-analyze.c,
6851         tree-vect-transform.c: Fix comment typos.
6852
6853 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
6854
6855         * sched-deps.c (find_insn_list): Remove.
6856         * sched-int.h: Remove the prototype for find_insn_list.
6857
6858 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
6859
6860         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
6861         to linker.
6862         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
6863         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
6864         darwin_rs6000_override_options.
6865         (C_COMMON_OVERRIDE_OPTIONS): Expect
6866         darwin_macosx_version_min to be non-NULL always.
6867         (TARGET_C99_FUNCTIONS): Likewise.
6868         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
6869         (DARWIN_MINVERSION_SPEC): New.
6870         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
6871         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
6872         to cc1*.
6873         (DARWIN_MINVERSION_SPEC): New.
6874         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
6875         value.
6876         * config/darwin-c.c (darwin_cpp_builtins): Expect
6877         darwin_macosx_version_min to be non-NULL always.
6878
6879         * config/rs6000/rs6000.c: Clean up trailing whitespace.
6880
6881 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
6882
6883         * config/i386/i386.h (x86_use_xchgb): New.
6884         (TARGET_USE_XCHGB): New macro.
6885         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
6886         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
6887         Split after reload into bswaphi for shifts of 8.
6888         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
6889         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
6890         or when optimizing for size.
6891
6892 2007-02-16  Richard Guenther  <rguenther@suse.de>
6893             Christian Bruel  <christian.bruel@st.com>
6894
6895         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
6896         DECLs but prefer SSA_NAMEs over DECLs.
6897
6898 2007-02-16  Richard Guenther  <rguenther@suse.de>
6899
6900         * tree-flow-inline.h (single_imm_use_p): Remove.
6901         (zero_imm_uses_p): Likewise.
6902         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
6903         instead of single_imm_use_p.
6904         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
6905         zero_imm_uses_p.
6906
6907 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6908
6909         PR other/27843
6910         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
6911         nested double- and backquotes.
6912
6913 2007-02-15  Roger Sayle  <roger@eyesopen.com>
6914
6915         PR middle-end/30391
6916         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
6917         should be unreachable.
6918         (build2_stat): Allow construction of MODIFY_EXPR at any time.
6919         For the time being redirect GIMPLE_MODIFY_STMT to the new
6920         (renamed) build_gimple_modify_stmt_stat.
6921         (build2_gimple_stat): Rename to...
6922         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
6923         Always build a GIMPLE_MODIFY_STMT node.
6924         * tree.h (build2_gimple, build2_gimple_stat): Delete.
6925         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
6926         declarations.
6927
6928         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
6929         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
6930         * tree-complex.c (set_component_ssa_name, expand_complex_move,
6931         expand_complex_div_wide): Likewise.
6932         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
6933         * tree-ssa-loop-im.c (schedule_sm): Likewise.
6934         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
6935         * tree-ssa-loop-manip.c (create_iv): Likewise.
6936         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
6937         abs_replacement): Likewise.
6938         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
6939         realify_fake_stores): Likewise.
6940
6941         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
6942         node rather than a GIMPLE_MODIFY_STMT node.
6943         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
6944         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
6945         Likewise.
6946         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
6947         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
6948         GIMPLE_MODIFY_STMT.
6949
6950 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6951
6952         PR middle-end/30433
6953         * fold-const.c (fold_comparison): Add back the
6954         folding of constant complex comparisions.
6955
6956 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6957
6958         PR middle-end/30729
6959         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
6960         effects unknown to this function, return early.
6961
6962 2007-02-15  Ian Lance Taylor  <iant@google.com>
6963
6964         * lower-subreg.c (move_eh_region_note): New static function.
6965         (resolve_simple_move): Call it.
6966         (decompose_multiword_subregs): Track blocks for which we resolve a
6967         simple move which is also a control flow insn.  Pass them to
6968         find_many_sub_basic_blocks.
6969         (pass_lower_subreg): Add TODO_verify_flow.
6970         (pass_lower_subreg2): Likewise.
6971
6972 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6973             Brooks Moses  <brooks.moses@codesourcery.com>
6974             Lee Millward  <lee.millward@codesourcery.com>
6975
6976         * tree.h (enum tree_code_class): Add tcc_vl_exp.
6977         (VL_EXP_CLASS_P): New.
6978         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
6979         TREE_CODE_LENGTH.
6980         (TREE_OPERAND_CHECK_CODE): Likewise.
6981         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
6982         (TREE_RTL_OPERAND_CHECK): Likewise.
6983         (tree_operand_check_failed): Make second parameter the whole tree
6984         instead of its code.  Fixed callers.
6985         (VL_EXP_CHECK): New.
6986         (TREE_OPERAND_LENGTH): New.
6987         (VL_EXP_OPERAND_LENGTH): New.
6988         (CALL_EXPR_FN): New.
6989         (CALL_EXPR_STATIC_CHAIN): New.
6990         (CALL_EXPR_ARGS): New.
6991         (CALL_EXPR_ARG): New.
6992         (call_expr_nargs): New.
6993         (CALL_EXPR_ARGP): New.
6994         (build_nt_call_list): Declare.
6995         (build_vl_exp_stat): Declare.
6996         (build_vl_exp): New.
6997         (build_call_list): Declare.
6998         (build_call_nary): Declare.
6999         (build_call_valist): Declare.
7000         (build_call_array): Declare.
7001         (call_expr_arg): Declare.
7002         (call_expr_argp): Declare.
7003         (call_expr_arglist): Declare.
7004         (fold_build_call_list): Declare.
7005         (fold_build_call_list_initializer): Declare.
7006         (fold_call_expr): Declare to replace fold_builtin.
7007         (fold_builtin_fputs): Update to agree with modified definition.
7008         (fold_builtin_strcpy): Likewise.
7009         (fold_builtin_strncpy): Likewise.
7010         (fold_builtin_memory_chk): Likewise.
7011         (fold_builtin_stxcpy_chk): Likewise.
7012         (fold_builtin_strncpy_chk): Likewise.
7013         (fold_builtin_next_arg): Likewise.
7014         (fold_build_call_expr): Declare.
7015         (fold_builtin_call_list): Declare.
7016         (fold_builtin_call_valist): Declare.
7017         (build_call_expr): Declare.
7018         (validate_arglist): Update to agree with modified definition.
7019         (tree_operand_length): New.
7020         (call_expr_arg_iterator): New.
7021         (init_call_expr_arg_iterator): New.
7022         (next_call_expr_arg): New.
7023         (first_call_expr_arg): New.
7024         (more_call_expr_args_p): New.
7025         (FOR_EACH_CALL_EXPR_ARG): New.
7026
7027         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
7028         and tcc_gimple_stmt.
7029         (tree_code_size): Update documentation.  Use sizeof (tree) rather
7030         than sizeof (char *).
7031         (tree_size): Likewise.  Add case for tcc_vl_exp.
7032         (tree_node_structure): Add case for tcc_vl_exp.
7033         (contains_placeholder_p): Likewise.
7034         (substitute_in_expr): Likewise.
7035         (substitute_placeholder_in_expr): Likewise.
7036         (stabilize_reference_1): Likewise.
7037         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
7038         to diagnose breakage of this interface for constructing CALL_EXPRs.
7039         (build_nt): Add similar assertion here.
7040         (build_nt_call_list): New.
7041         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
7042         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
7043         TREE_CODE_LENGTH.
7044         (get_callee_fndecl): Use new CALL_EXPR accessors.
7045         (tree_operand_check_failed): Change parameters to pass entire node
7046         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
7047         (process_call_operands): New.
7048         (build_vl_exp_stat): New.
7049         (build_call_list): New.
7050         (build_call_nary): New.
7051         (build_call_valist): New.
7052         (build_call_array): New.
7053         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7054         (call_expr_arglist): New.
7055
7056         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
7057         tcc_vl_exp instead of a fixed-size tcc_expression.
7058
7059         * doc/c-tree.texi (CALL_EXPR): Document new representation and
7060         accessors for CALL_EXPRs.
7061         (AGGR_INIT_EXPR): Likewise.
7062
7063 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7064             Brooks Moses  <brooks.moses@codesourcery.com>
7065             Lee Millward  <lee.millward@codesourcery.com>
7066
7067         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
7068         (expand_builtin_nonlocal_goto): Change parameter to be entire
7069         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
7070         (expand_builtin_prefetch): Likewise.
7071         (expand_builtin_classify_type): Likewise.
7072         (mathfn_built_in): Return NULL_TREE instead of 0.
7073         (expand_errno_check): Use new CALL_EXPR accessors.
7074         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
7075         Return NULL_RTX instead of 0.
7076         (expand_builtin_mathfn_2): Likewise.
7077         (expand_builtin_mathfn_3): Likewise.
7078         (expand_builtin_interclass_mathfn): Likewise.
7079         (expand_builtin_sincos): Likewise.
7080         (expand_builtin_cexpi): Likewise.
7081         (expand_builtin_int_roundingfn): Likewise.
7082         (expand_builtin_int_roundingfn_2): Likewise.
7083         (expand_builtin_pow): Likewise.
7084         (expand_builtin_powi): Likewise.
7085         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
7086         of arglist, fixing callers appropriately.  Use new CALL_EXPR
7087         accessors and constructors.  Return NULL_RTX instead of 0.
7088         (expand_builtin_strstr): Likewise.
7089         (expand_builtin_strchr): Likewise.
7090         (expand_builtin_strrchr): Likewise.
7091         (expand_builtin_strpbrk): Likewise.
7092         (expand_builtin_memcpy): Likewise.
7093         (expand_builtin_mempcpy): Likewise.
7094         (expand_builtin_mempcpy_args): New.
7095         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
7096         (expand_builtin_memmove_args): New.
7097         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
7098         (expand_movstr): Likewise.
7099         (expand_builtin_strcpy): Likewise.
7100         (expand_builtin_strcpy_args): New.
7101         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
7102         (expand_builtin_strncpy): Likewise.
7103         (expand_builtin_memset): Likewise.
7104         (expand_builtin_memset_args): New.
7105         (expand_builtin_bzero): Similarly to expand_builtin_memset.
7106         (expand_builtin_memcmp): Likewise.
7107         (expand_builtin_strcmp): Likewise.
7108         (expand_builtin_strncmp): Likewise.
7109         (expand_builtin_strcat): Likewise.
7110         (expand_builtin_strncat): Likewise.
7111         (expand_builtin_strspn): Likewise.
7112         (expand_builtin_strcspn): Likewise.
7113         (expand_builtin_args_info): Likewise.
7114         (expand_builtin_va_start): Likewise.
7115         (gimplify_va_arg_expr): Likewise.
7116         (expand_builtin_va_end): Likewise.
7117         (expand_builtin_va_copy): Likewise.
7118         (expand_builtin_frame_address): Likewise.
7119         (expand_builtin_alloca): Likewise.
7120         (expand_builtin_bswap): Likewise.
7121         (expand_builtin_unop): Likewise.
7122         (expand_builtin_fputs): Likewise.
7123         (expand_builtin_expect): Likewise.
7124         (expand_builtin_fabs): Likewise.
7125         (expand_builtin_copysign): Likewise.
7126         (expand_builtin_printf): Likewise.
7127         (expand_builtin_fprintf): Likewise.
7128         (expand_builtin_sprintf): Likewise.
7129         (expand_builtin_init_trampoline): Likewise.
7130         (expand_builtin_signbit): Likewise.
7131         (expand_builtin_fork_or_exec): Likewise.
7132         (expand_builtin_sync_operation): Likewise.
7133         (expand_builtin_compare_and_swap): Likewise.
7134         (expand_builtin_lock_test_and_set): Likewise.
7135         (expand_builtin_lock_release): Likewise.
7136         (expand_builtin): Likewise.
7137         (builtin_mathfn_code): Likewise.
7138
7139         (fold_builtin_constant_p): Pass call arguments individually instead
7140         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
7141         accessors and constructors.  Return NULL_TREE instead of 0.
7142         (fold_builtin_expect): Likewise.
7143         (fold_builtin_classify_type): Likewise.
7144         (fold_builtin_strlen): Likewise.
7145         (fold_builtin_nan): Likewise.
7146         (integer_valued_real_p): Likewise.
7147         (fold_trunc_transparent_mathfn): Likewise.
7148         (fold_fixed_mathfn): Likewise.
7149         (fold_builtin_cabs): Likewise.
7150         (fold_builtin_sqrt): Likewise.
7151         (fold_builtin_cbrt): Likewise.
7152         (fold_builtin_cos): Likewise.
7153         (fold_builtin_cosh): Likewise.
7154         (fold_builtin_tan): Likewise.
7155         (fold_builtin_sincos): Likewise.
7156         (fold_builtin_cexp): Likewise.
7157         (fold_builtin_trunc): Likewise.
7158         (fold_builtin_floor): Likewise.
7159         (fold_builtin_ceil): Likewise.
7160         (fold_builtin_round): Likewise.
7161         (fold_builtin_int_roundingfn): Likewise.
7162         (fold_builtin_bitop): Likewise.
7163         (fold_builtin_bswap): Likewise.
7164         (fold_builtin_logarithm): Likewise.
7165         (fold_builtin_hypot): Likewise.
7166         (fold_builtin_pow): Likewise.
7167         (fold_builtin_powi): Likewise.
7168         (fold_builtin_exponent): Likewise.
7169         (fold_builtin_memset): Likewise.
7170         (fold_builtin_bzero): Likewise.
7171         (fold_builtin_memory_op): Likewise.
7172         (fold_builtin_bcopy): Deleted; call site changed to invoke
7173         fold_builtin_memory_op directly.
7174         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
7175         (fold_builtin_strncpy): Likewise.
7176         (fold_builtin_memcmp): Likewise.
7177         (fold_builtin_strcmp): Likewise.
7178         (fold_builtin_strncmp): Likewise.
7179         (fold_builtin_signbit): Likewise.
7180         (fold_builtin_copysign): Likewise.
7181         (fold_builtin_isascii): Likewise.
7182         (fold_builtin_toascii): Likewise.
7183         (fold_builtin_isdigit): Likewise.
7184         (fold_builtin_fabs): Likewise.
7185         (fold_builtin_abs): Likewise.
7186         (fold_builtin_fmin_fmax): Likewise.
7187         (fold_builtin_carg): Likewise.
7188         (fold_builtin_classify): Likewise.
7189         (fold_builtin_unordered_cmp): Likewise.
7190
7191         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
7192         New functions split out from fold_builtin_1.
7193         (fold_builtin_n): New.
7194         (fold_builtin_varargs): New.
7195         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
7196         instead.
7197         (fold_call_expr): New.
7198         (build_function_call_expr): Rewrite to use new helper function.
7199         (fold_builtin_call_list): New.
7200         (build_call_expr): New.
7201         (fold_builtin_call_valist): New.
7202         (rewrite_call_expr): New.
7203         (validate_arg): New.
7204         (validate_arglist): Change parameter to be entire CALL_EXPR instead
7205         of an arglist.  Change return type to bool.  Use new CALL_EXPR
7206         accessors.
7207
7208         (fold_builtin_strstr):  Pass call arguments individually instead
7209         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
7210         accessors and constructors.  Return NULL_TREE instead of 0.
7211         (fold_builtin_strchr): Likewise.
7212         (fold_builtin_strrchr): Likewise.
7213         (fold_builtin_strpbrk): Likewise.
7214         (fold_builtin_strcat): Likewise.
7215         (fold_builtin_strncat): Likewise.
7216         (fold_builtin_strspn): Likewise.
7217         (fold_builtin_strcspn): Likewise.
7218         (fold_builtin_fputs): Likewise.
7219         (fold_builtin_next_arg): Likewise.
7220         (fold_builtin_sprintf): Likewise.
7221
7222         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
7223         NULL_RTX instead of 0.
7224         (expand_builtin_memory_chk): Likewise.
7225         (maybe_emit_chk_warning): Likewise.
7226         (maybe_emit_sprintf_chk_warning): Likewise.
7227
7228         (fold_builtin_object_size): Pass call arguments individually instead
7229         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
7230         accessors and constructors.  Return NULL_TREE instead of 0.
7231         (fold_builtin_memory_chk): Likewise.
7232         (fold_builtin_stxcpy_chk): Likewise.
7233         (fold_builtin_strncpy_chk): Likewise.
7234         (fold_builtin_strcat_chk): Likewise.
7235         (fold_builtin_strcat_chk): Likewise.
7236         (fold_builtin_strncat_chk): Likewise.
7237         (fold_builtin_sprintf_chk): Likewise.
7238         (fold_builtin_snprintf_chk): Likewise.
7239         (fold_builtin_printf): Likewise.
7240         (fold_builtin_vprintf): Likewise.
7241
7242         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
7243         constructors.
7244         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
7245         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7246         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
7247         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
7248         (fold_unary): Likewise.
7249         (fold_binary): Likewise.
7250         (fold_ternary): Remove CALL_EXPR case, since they are no longer
7251         ternary expressions.
7252         (fold): Add logic for tcc_vl_exp.
7253         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
7254         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7255         (fold_build3_stat): Add assertion to flag broken interface for
7256         constructing CALL_EXPRs.
7257         (fold_build_call_list): New.
7258         (fold_build_call_list_initializer): New.
7259         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
7260         constructors.
7261         (fold_strip_sign_ops): Likewise.
7262
7263 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7264             Brooks Moses  <brooks.moses@codesourcery.com>
7265             Lee Millward  <lee.millward@codesourcery.com>
7266
7267         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
7268         accessors and dump arguments explicitly.
7269
7270         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
7271         TREE_CODE_LENGTH.
7272         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
7273         explicitly.
7274         (print_call_name): Use new CALL_EXPR accessors.
7275
7276         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
7277         CALL_EXPR arguments explicitly instead of as a list.  Use
7278         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7279
7280         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
7281         (vrp_visit_stmt): Likewise.
7282
7283         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
7284         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
7285         TREE_CODE_LENGTH.
7286         (force_move_till_expr): Likewise.
7287
7288         * targhooks.c (default_external_stack_protect_fail): Use
7289         build_call_expr instead of build_function_call_expr.
7290         (default_hidden_stack_protect_fail): Likewise.
7291
7292         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
7293         build the call.
7294
7295         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
7296         and walk arguments explicitly.
7297
7298         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
7299         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7300         (expand_simple_operations): Likewise.
7301         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
7302
7303         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
7304         of TREE_CODE_LENGTH.
7305         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
7306
7307         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
7308         instead of TREE_CODE_LENGTH.
7309
7310         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
7311         (tree_ic_transform): Likewise.
7312         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
7313         parameter instead of arglist.  Fix callers.
7314         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
7315         (tree_stringops_transform): Likewise.
7316         (tree_indirect_call_to_profile): Likewise.
7317         (tree_stringops_values_to_profile): Likewise.
7318
7319         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
7320         (eliminate_tail_call): Likewise.
7321
7322         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
7323
7324         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
7325         Use TREE_OPERAND_LENGTH and generalize to handle any number of
7326         operands.
7327         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
7328
7329         * omp-low.c (build_omp_barrier): Use build_call_expr.
7330         (lower_rec_input_clauses): Likewise.
7331         (lower_reduction_clauses): Likewise.
7332         (expand_parallel_call): Likewise.
7333         (maybe_catch_exception): Likewise.
7334         (expand_omp_for_generic): Likewise.
7335         (expand_omp_for_static_nochunk): Likewise.
7336         (expand_omp_sections): Likewise.
7337         (lower_omp_single_simple): Likewise.
7338         (lower_omp_single_copy): Likewise.
7339         (lower_omp_master): Likewise.
7340         (lower_omp_ordered): Likewise.
7341         (lower_omp_critical): Likewise.
7342
7343         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
7344         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
7345
7346         * tree-gimple.c (is_gimple_call_addr): Fix doc.
7347         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
7348         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
7349
7350         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
7351         and generalize to handle any number of operands.
7352         (chrec_contains_undetermined): Likewise.
7353         (tree_contains_chrecs): Likewise.
7354         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
7355
7356         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
7357
7358         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
7359         fold_call_expr instead of fold_builtin.
7360         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
7361         match declarations there.
7362         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
7363         updates.
7364
7365         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
7366         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7367
7368         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
7369         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
7370
7371         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
7372         accessors.
7373
7374         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
7375         (execute_cse_sincos): Use new CALL_EXPR accessors.
7376
7377         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
7378
7379         * gimple-low.c (lower_function_body): Use build_call_expr.
7380         (lower_builtin_setjmp): Likewise.
7381
7382         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
7383         (set_storage_via_libcall): Likewise.
7384         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
7385         instead of TREE_CODE_LENGTH.
7386         (expand_expr_real_1): Use new CALL_EXPR accessors.
7387
7388         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
7389         generalize to handle any number of operands.
7390         (TB_parent_eq): Likewise.
7391
7392         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
7393         (strip_builtin_expect): Likewise.
7394
7395         * function.c (gimplify_parameters): Use build_call_expr.
7396
7397         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
7398         instead of TREE_CODE_LENGTH.
7399
7400         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
7401         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
7402
7403         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
7404         iterators.
7405
7406         * gimplify.c (build_stack_save_restore): Use build_call_expr.
7407         (gimplify_decl_expr): Likewise.
7408         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
7409         Use new CALL_EXPR iterators.
7410         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
7411         (gimplify_modify_expr_to_memset): Likewise.
7412         (gimplify_variable_sized_compare): Likewise.
7413         (gimplify_omp_atomic_fetch_op): Likewise.
7414         (gimplify_omp_atomic_pipeline): Likewise.
7415         (gimplify_omp_atomic_mutex): Likewise.
7416         (gimplify_function_tree): Likewise.
7417
7418         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
7419         (call_expr_flags): Likewise.
7420         (expand_call): Likewise.
7421
7422         * except.c (expand_builtin_eh_return_data_regno): Pass entire
7423         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
7424         accessors.
7425
7426         * coverage.c (create_coverage): Use build_call_expr.
7427
7428         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
7429         (temp_call_expr_obstack): New.
7430         (pool_copy_list): Delete.
7431         (temp_copy_call_expr): New.
7432         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
7433         CALL_EXPR accessors.  Get rid of special goo for copying argument
7434         lists and use temp_copy_call_expr instead.
7435         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
7436         CALL_EXPR accessors.
7437         (create_expression_by_pieces): Likewise.  Use build_call_array
7438         to construct the result instead of fold_build3.
7439         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
7440         dealing with argument lists.
7441         (init_pre): Remove references to expression_node_pool and
7442         list_node_pool.  Init temp_call_expr_obstack instead.
7443         (fini_pre): Remove references to expression_node_pool and
7444         list_node_pool.
7445
7446         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
7447         and walk arguments explicitly instead of as a list.
7448
7449         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
7450         (mx_register_decls): Likewise.
7451         (mudflap_register_call): Likewise.
7452         (mudflap_finish_file): Likewise.
7453
7454         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
7455         (ipa_callsite_compute_param): Likewise.
7456
7457         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
7458         accessors and constructor.
7459
7460         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
7461         accessors and constructor.
7462         (convert_tramp_reference): Likewise.
7463         (convert_call_expr): Likewise.
7464         (finalize_nesting_tree_1): Likewise.
7465
7466         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
7467         accessors.
7468
7469         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
7470
7471         * tree-inline.c (initialize_inlined_parameters): Pass entire
7472         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
7473         accessors.
7474         (estimate_num_insns_1): Use new CALL_EXPR accessors.
7475         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
7476
7477         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
7478         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7479         (vectorizable_reduction): Likewise.
7480         (vectorizable_call): Use new CALL_EXPR iterators.
7481         (vectorizable_conversion): Use build_call_expr.
7482         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
7483         (vect_gen_widened_results_half): Use build_call_expr.
7484         (vect_setup_realignment): Likewise.
7485         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
7486
7487         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
7488         (pass_through_call): Likewise.
7489         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
7490         fold_builtin.
7491
7492         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
7493         (tree_gen_pow2_profiler): Likewise.
7494         (tree_gen_one_value_profiler): Likewise.
7495         (tree_gen_ic_func_profiler): Likewise.
7496         (tree_gen_average_profiler): Likewise.
7497         (tree_gen_ior_profiler): Likewise.
7498
7499         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
7500         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
7501         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7502
7503         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
7504         of TREE_CODE_LENGTH.
7505
7506         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
7507         of TREE_CODE_LENGTH.
7508
7509         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
7510         constructor.
7511         (convert_to_integer): Likewise.
7512
7513         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
7514         accessors.
7515
7516 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7517             Brooks Moses  <brooks.moses@codesourcery.com>
7518             Lee Millward  <lee.millward@codesourcery.com>
7519
7520         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
7521         accessors.
7522         * config/frv/frv.c (frv_expand_builtin): Likewise.
7523         * config/s390/s390.c (s390_expand_builtin): Likewise.
7524
7525         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
7526         (sparc_expand_builtin): Use new CALL_EXPR accessors.
7527
7528         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
7529         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
7530         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
7531         (ix86_expand_store_builtin): Likewise.
7532         (ix86_expand_unop_builtin): Likewise.
7533         (ix86_expand_unop1_builtin): Likewise.
7534         (ix86_expand_sse_compare): Likewise.
7535         (ix86_expand_sse_comi): Likewise.
7536         (ix86_expand_vec_init_builtin): Likewise.
7537         (ix86_expand_vec_ext_builtin): Likewise.
7538         (ix86_expand_vec_set_builtin): Likewise.
7539         (ix86_expand_builtin): Use new CALL_EXPR accessors.
7540
7541         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
7542         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
7543
7544         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
7545         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7546         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
7547
7548         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
7549         build_call_expr.
7550         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
7551         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
7552         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7553         (altivec_expand_abs_builtin): Likewise.
7554         (rs6000_expand_binop_builtin): Likewise.
7555         (altivec_expand_predicate_builtin): Likewise.
7556         (altivec_expand_lv_builtin): Likewise.
7557         (spe_expand_stv_builtin): Likewise.
7558         (altivec_expand_stv_builtin): Likewise.
7559         (rs6000_expand_ternop_builtin): Likewise.
7560         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
7561         (altivec_expand_st_builtin): Likewise.
7562         (altivec_expand_dst_builtin): Likewise.
7563         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
7564         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7565         (altivec_expand_vec_set_builtin): Likewise.
7566         (altivec_expand_vec_ext_builtin): Likewise.
7567         (altivec_expand_builtin): Use new CALL_EXPR accessors.
7568         (spe_expand_builtin): Likewise.
7569         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
7570         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7571         (spe_expand_evsel_builtin): Likewise.
7572         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
7573         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
7574
7575         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
7576         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7577         (arm_expand_unop_builtin): Likewise.
7578         (arm_expand_builtin): Use new CALL_EXPR accessors.
7579
7580         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
7581         accessors.
7582
7583         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
7584         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7585         (bfin_expand_unop_builtin): Likewise.
7586         (bfin_expand_builtin): Use new CALL_EXPR accessors.
7587
7588 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7589             Brooks Moses  <brooks.moses@codesourcery.com>
7590             Lee Millward  <lee.millward@codesourcery.com>
7591
7592         * c-semantics.c (build_stmt): Add internal diagnostic check.
7593
7594         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
7595         accessors.  Print arguments explicitly instead of as a list.
7596
7597         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
7598
7599         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
7600         (c_finish_omp_flish): Likewise.
7601
7602         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
7603         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
7604         instead of TREE_CODE_LENGTH.
7605         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
7606         (c_warn_unused_result): Likewise.
7607
7608 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7609
7610         PR c/26494
7611         * doc/invoke.texi (Warning Options): Remove
7612         -Werror-implicit-function-declaration.
7613         (Wimplicit-function-declaration): Update description.
7614         * opts.c (common_handle_option): Move handling of -Werror=* to...
7615         (enable_warning_as_error): ...here.
7616         * opts.h (enable_warning_as_error): Declare.
7617         * c-decl.c (implicit_decl_warning): Unless
7618         -Wno-implicit-function-declaration is given, emit a pedwarn if
7619         -std=c99 or emit a warning if -Wimplicit-function-declaration.
7620         * c.opt (Wimplicit-function-declaration): Replace
7621         mesg_implicit_function_declaration with
7622         warn_implicit_function_declaration.
7623         * c-opts.c (c_common_handle_option):
7624         -Werror-implicit-function-declaration is exactly equal as
7625         -Werror=implicit-function-declaration.
7626         (set_Wimplicit): Replace mesg_implicit_function_declaration with
7627         warn_implicit_function_declaration.
7628         (c_common_post_options): -Wimplict-function-declaration is enabled
7629         by default by -std=c99, otherwise is disabled by default.
7630         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
7631
7632 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7633
7634         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
7635         DECL on the rhs to a DECL on the lhs for debug info purposes if the
7636         former is ignored but not the latter.
7637
7638 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7639
7640         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
7641         is made and the reference doesn't use the alias set of its type,
7642         do not create the temporary using that type.
7643
7644 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
7645
7646         * jump.c: Remove prototypes for delete_computation and
7647         delete_prior_computation.
7648
7649 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
7650
7651         * jump.c (get_label_after): Delete.
7652         (get_label_before, delete_computation, delete_jump,
7653         delete_prior_computation, follow_jumps): Move...
7654         * reorg.c (delete_computation, delete_prior_computation): ... here...
7655         (get_label_before, delete_jump): ... making these static ...
7656         (follow_jumps): ... and simplifying this since it only runs after
7657         reload.
7658         * rtl.h (get_label_after, get_label_before, delete_jump,
7659         follow_jumps): Delete prototypes.
7660
7661 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
7662
7663         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
7664
7665 2007-02-15  Nick Clifton  <nickc@redhat.com>
7666
7667         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
7668         order to prevent it from being munged by the target.
7669
7670 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
7671
7672         * config/i386/i386.md: Remove misleading comment.
7673
7674 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7675
7676         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
7677         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
7678         invalid patterns.
7679
7680 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7681
7682         * tree-sra.c (instantiate_missing_elements): Canonicalize
7683         bit-field types.
7684         (sra_build_assignment): New.
7685         (generate_copy_inout, generate_element_copy,
7686         generate_element_zero, generate_one_element_init): Use it.
7687
7688 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7689
7690         * tree-sra.c (instantiate_missing_elements): Canonicalize
7691         bit-field types.
7692         (sra_build_assignment): New.
7693         (generate_copy_inout, generate_element_copy,
7694         generate_element_zero, generate_one_element_init): Use it.
7695
7696 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7697
7698         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
7699         limbo die nodes.
7700
7701 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
7702
7703         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
7704         types as aggregates not scalars.
7705         * function.c (assign_stack_temp_for_type): Likewise.
7706
7707 2007-02-14  Roger Sayle  <roger@eyesopen.com>
7708             Zdenek Dvorak  <dvorakz@suse.cz>
7709
7710         * tree-dump.c (dump_switch_p_1): Require exact match of the option
7711         name.
7712
7713 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
7714
7715         * passes.c (next_pass_1): Clear the next field of the copied
7716         pass structure.
7717
7718 2007-02-14  Richard Henderson  <rth@redhat.com>
7719
7720         * tree-sra.c (early_sra): New.
7721         (decl_can_be_decomposed_p): Deny va_list if early_sra.
7722         (tree_sra_early, pass_sra_early): New.
7723         * tree-pass.h (pass_sra_early): Declare.
7724         * passes.c (init_optimization_passes): Use it.
7725
7726 2007-02-14  Richard Guenther  <rguenther@suse.de>
7727
7728         * flags.h (issue_strict_overflow_warning): Convert to a macro.
7729
7730 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
7731
7732          PR tree-optimization/30771
7733         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
7734         also phi nodes.
7735         (vect_analyze_operations): Induction phis can now be marked as
7736         used_in_loop.
7737         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
7738         Update documentation accordingly.
7739
7740 2007-02-14  Nick Clifton  <nickc@redhat.com>
7741
7742         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
7743         most 3 arguments are supported.
7744         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
7745
7746 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
7747
7748         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
7749         Ensure dst->current is valid.
7750
7751 2007-02-13  Paul Brook  <paul@codesourcery.com>
7752
7753         * config.gcc: Add arm*-*-uclinux-*eabi.
7754         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
7755         (SUBTARGET_EXTRA_LINK_SPEC): Define.
7756         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
7757         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
7758         (LINK_SPEC): Define.
7759         (LIB_SPEC): Define.
7760         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
7761         register.
7762         * config/arm/uclinux-eabi.h: New file.
7763         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
7764         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
7765         based targets.
7766
7767 2007-02-13  Ian Lance Taylor  <iant@google.com>
7768
7769         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
7770         * flags.h (warn_strict_overflow): Declare.
7771         (enum warn_strict_overflow_code): Define.
7772         (issue_strict_overflow_warning): New static inline function.
7773         * opts.c (warn_strict_overflow): New variable.
7774         (common_handle_option): Handle OPT_Wstrict_overflow and
7775         OPT_Wstrict_overflow_.
7776         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
7777         OPT_Wall.
7778         * fold-const.c: Include intl.h.
7779         (fold_deferring_overflow_warnings): New static variable.
7780         (fold_deferred_overflow_warning): New static variable.
7781         (fold_deferred_overflow_code): New static variable.
7782         (fold_defer_overflow_warnings): New function.
7783         (fold_undefer_overflow_warnings): New function.
7784         (fold_undefer_and_ignore_overflow_warnings): New function.
7785         (fold_deferring_overflow_warnings_p): New function.
7786         (fold_overflow_warning): New static function.
7787         (make_range): Add strict_overflow_p parameter.  Change all
7788         callers.
7789         (extract_muldiv, extract_muldiv_1): Likewise.
7790         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
7791         tree_expr_nonnegative_p.
7792         (fold_negate_expr): Call fold_overflow_warning.
7793         (fold_range_test): Likewise.
7794         (fold_comparison): Likewise.
7795         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
7796         instead of tree_expr_nonnegative_p.
7797         (tree_expr_nonnegative_warnv_p): Rename from
7798         tree_expr_nonnegative_p, add strict_overflow_p parameter.
7799         (tree_expr_nonnegative_p): New function.
7800         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
7801         strict_overflow_p parameter.
7802         (tree_expr_nonzero_p): New function.
7803         * passes.c (verify_interpass_invariants): New static function.
7804         (execute_one_pass): Call it.
7805         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
7806         warnings.
7807         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
7808         (estimate_numbers_of_iterations): Likewise.
7809         (scev_probably_wraps_p): Likewise.
7810         * tree-ssa-ccp.c: Include "toplev.h".
7811         (evaluate_stmt): Defer fold overflow warnings until we know we are
7812         going to optimize.
7813         (struct fold_stmt_r_data): Add stmt field.
7814         (fold_stmt_r): Defer fold overflow warnings until we know we
7815         optimized.
7816         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
7817         (fold_stmt_inplace): Likewise.
7818         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
7819         (cleanup_control_expr_graph): Defer fold overflow warnings until
7820         we know we are going to optimize.
7821         * tree-cfg.c (fold_cond_expr_cond): Likewise.
7822         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
7823         Likewise.
7824         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
7825         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
7826         * tree-ssa-loop-manip.c (create_iv): Likewise.
7827         * c-typeck.c (build_conditional_expr): Likewise.
7828         (build_binary_op): Likewise.
7829         * tree-vrp.c (vrp_expr_computes_nonzero): Call
7830         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
7831         (extract_range_from_unary_expr): Likewise.
7832         * simplify-rtx.c (simplify_const_relational_operation): Warn when
7833         assuming that signed overflow does not occur.
7834         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
7835         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
7836         (fold_defer_overflow_warnings): Declare.
7837         (fold_undefer_overflow_warnings): Declare.
7838         (fold_undefer_and_ignore_overflow_warnings): Declare.
7839         (fold_deferring_overflow_warnings_p): Declare.
7840         (tree_expr_nonzero_warnv_p): Declare.
7841         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
7842         of warning options.
7843         (Warning Options): Document -Wstrict-overflow.
7844         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
7845         (tree-ssa-ccp.o): Likewise.
7846         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
7847         (fold-const.o): Depend on intl.h.
7848
7849 2007-02-13  Ian Lance Taylor  <iant@google.com>
7850
7851         PR middle-end/30751
7852         * lower-subreg.c (resolve_simple_move): Decompose subregs in
7853         addresses.
7854
7855 2007-02-13  Stuart Hastings  <stuart@apple.com>
7856
7857         * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
7858
7859 2007-02-13  Richard Henderson  <rth@redhat.com>
7860
7861         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
7862         handled_component_p before looking for the indirect_ref.
7863
7864 2007-02-13  Richard Henderson  <rth@redhat.com>
7865
7866         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
7867         remove flags clobber.
7868         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
7869         (bswaphi_lowpart): New.
7870         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
7871         remove TARGET_BSWAP test.  Delete expander of the same name.
7872
7873         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
7874         (expand_unop): Use them.
7875
7876 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
7877
7878         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
7879         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
7880         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
7881         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
7882         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
7883         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
7884         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
7885         assembler dialect choice from asm templates.
7886
7887 2007-02-12  Richard Henderson  <rth@redhat.com>
7888
7889         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
7890         (fixuns_trunc<SSEMODEF>si2): Use it.
7891         * config/i386/sse.md (vec_setv4sf_0): Export.
7892         * config/i386/i386.c (ix86_build_const_vector): Export.
7893         (ix86_split_convert_uns_si_sse): Rename from
7894         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
7895         * config/i386/i386-protos.h: Update.
7896
7897 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7898
7899         PR c/29521
7900         * c-typeck.c (c_finish_return): Improve warning message.
7901
7902 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7903
7904         * alias.c (find_symbolic_term): Delete unused function.
7905
7906 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
7907
7908         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
7909         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
7910         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
7911
7912 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
7913
7914         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
7915         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
7916         the function, temporarily point the debug interface to the null one.
7917
7918 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
7919
7920         * dwarf2out.c (round_up_to_align): New static function.
7921         (field_byte_offset): Use it to round the offset.
7922
7923 2007-02-12  Richard Henderson  <rth@redhat.com>
7924
7925         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
7926         (inswl_const): Export.
7927
7928 2007-02-12  Richard Henderson  <rth@redhat.com>
7929
7930         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
7931         result mode of the libcall, convert back to outmode.
7932
7933 2007-02-12  Roger Sayle  <roger@eyesopen.com>
7934
7935         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
7936         (bswapdi2): New define_expand to implement 32-bit implementation.
7937
7938 2007-02-12  Nick Clifton  <nickc@redhat.com>
7939
7940         * doc/invoke.texi (Overall Options): Document --help=.
7941         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
7942         (cc1_options): Pass --help= on to cc1.
7943         (display_help): Add description of --help=.
7944         (process_command): Add code to handle --help=.  Allow translated
7945         --help and --target-help switches to be passed on to compiler
7946         sub-process.
7947         (main): Remove unused if statement.
7948         * opts.c (columns): Remove.
7949         (LEFT_COLUMN): Define.
7950         (wrap_help): Add columns argument.
7951         (print_filtered_help): Change parameters to be an include bitmask,
7952         an exclude bitmask, an any bitmask and the column width.  Move the
7953         code to display the params list here.  Add code to display the
7954         status of options rather than their descriptions if the quiet flag
7955         is not active.
7956         (print_specific_help): Change parameters to be an include bitmask,
7957         an exclude bitmask and an any bitmask.  Move code to look up the
7958         column width here.  Decide upon the title for an options listing.
7959         (common_handle_options): Add code to handle --help=.  Adapt code
7960         for --help and --target-help to use the revised form of the
7961         print_specific_help function.
7962         (print_help): Delete.
7963         (print_param_help): Delete.
7964         (print_switch): Delete.
7965         * opts.h (cl_lang_count): Add prototype.
7966         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
7967         CL_MAX_OPTION_CLASS): New defines.
7968         * optc-gen.awk: Add construction of cl_lang_count.
7969         * c.opt: Add Warning attribute to warning options and Optimization
7970         attribute to optimization options.
7971         * common.opt: Likewise.
7972         Add --help=.
7973         Add -fhelp and -ftarget-help as aliases for the transformed --help
7974         and --target-help options.
7975         * opt-functions.awk: Add code to handle Warning and Optimization
7976         attributes.
7977
7978 2007-02-12  Richard Henderson  <rth@redhat.com>
7979
7980         * config/alpha/constraints.md: New file.
7981         * config/alpha/alpha.c: Include tm-constrs.h.
7982         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
7983         alpha_extra_constraint): Remove.
7984         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
7985         * config/alpha/alpha-protos.h: Update.
7986         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
7987         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
7988         (EXTRA_CONSTRAINT): Remove.
7989         * config/alpha/alpha.md: Include constraints.md.
7990         (adddi splitter): Use satisfies_constraint_*.
7991         * config/alpha/predicates.md (add_operand): Likewise.
7992         (sext_add_operand, addition_operation): Likewise.
7993
7994 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
7995
7996         PR tree-optimization/29145
7997         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
7998         in our handling of restrict qualified pointers.
7999
8000 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8001
8002         PR middle-end/7651
8003         * doc/invoke.texi (Wunused-value): Update description.
8004         (Wextra): Delete item.
8005         * opts.c (set_Wextra): Don't use the value of Wextra to set the
8006         value of Wunused-value.
8007         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
8008         (c_finish_stmt_expr): Don't check extra_warnings.
8009         (emit_side_effect_warnings): The caller is responsible to check
8010         warn_unused_value.
8011
8012 2007-02-11  Roger Sayle  <roger@eyesopen.com>
8013             Matt Thomas  <matt@3am-software.com>
8014
8015         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
8016
8017 2007-02-11  Roger Sayle  <roger@eyesopen.com>
8018
8019         * simplify-rtx.c (simplify_relational_operation_1): Optimize
8020         comparisons of POPCOUNT against zero.
8021         (simplify_const_relational_operation): Likewise.
8022
8023 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8024
8025         * doc/invoke.texi (Wextra): Delete outdated paragraph.
8026
8027 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8028
8029         * dwarf2out.c (root_type): Delete unused function.
8030
8031 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8032
8033         * genattrtab.c (contained_in_p): Delete unused function.
8034         (write_expr_attr_cache): Likewise.
8035
8036 2007-02-11  Jan Hubicka  <jh@suse.cz>
8037
8038         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
8039         previous patch.
8040
8041 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
8042
8043         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
8044         to add the REG_EQ* note.
8045         * see.c (see_merge_one_use_extension): Likewise.
8046         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
8047         turn REG_EQUAL notes into REG_EQUIV notes if the target
8048         register may have more than one set.
8049         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
8050         * gcse.c (try_replace_reg): Likewise.
8051         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
8052         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
8053         more than one REG_EQUIV note.
8054         * reload1.c (gen_reload): Use set_unique_reg_note.
8055
8056 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
8057
8058         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
8059         (ix86_builtin_conversion): New function.
8060
8061 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
8062
8063         PR target/29487
8064         * tree.h (DECL_REPLACEABLE_P): New macro.
8065         * except.c (set_nothrow_function_flags): Likewise.
8066
8067 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
8068             Ira Rosen  <irar@il.ibm.com>
8069             Dorit Nuzman  <dorit@il.ibm.com>
8070
8071         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
8072         * targhooks.c (default_builtin_vectorized_conversion): New.
8073         * targhooks.h (default_builtin_vectorized_function): New declaration.
8074         * target.h (struct vectorize): Add builtin_conversion field.
8075         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
8076         stmt_vec_info_type value.
8077         (vectorizable_conversion): New declaration.
8078         * tree-vect-analyze.c (vect_analyze_operations): Add
8079         vectorizable_conversion call.
8080         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
8081         * tree-vect-transform.c (vectorizable_conversion): New function.
8082         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
8083         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
8084         mode.
8085         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
8086         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
8087         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
8088         or ALTIVEC_BUILTIN_VCFSX.
8089
8090 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8091
8092         PR target/30634
8093         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
8094         CONST_DOUBLE and operand 0 is a hard register.
8095         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
8096         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
8097         is a hard floating-point register.
8098
8099 2007-02-10  Richard Henderson  <rth@redhat.com>
8100             Jakub Jelinek  <jakub@redhat.com>
8101             Alexandre Oliva  <aoliva@redhat.com>
8102
8103         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
8104         * builtin-types.def (BT_WORD): Make unsigned.
8105         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
8106         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
8107         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
8108         * c-decl.c (grokdeclarator): Don't error if !have_tls.
8109         * c-parser.c (c_parser_omp_threadprivate): Likewise.
8110         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
8111         emulated tls.
8112         * expr.c (emutls_var_address): New.
8113         (expand_expr_real_1): Expand emulated tls.
8114         (expand_expr_addr_expr_1): Likewise.
8115         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
8116         * output.h (emutls_finish): Declare.
8117         * toplev.c (compile_file): Call it.
8118         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
8119         address before wrapping in CONST.
8120         * varasm.c (emutls_htab, emutls_object_type): New.
8121         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
8122         (get_emutls_object_name, get_emutls_object_type): New.
8123         (get_emutls_init_templ_addr, emutls_decl): New.
8124         (emutls_common_1, emutls_finish): New.
8125         (assemble_variable): When emulating tls, swap decls; generate
8126         constructor for the emutls objects.
8127         (do_assemble_alias): When emulating tls, swap decl and target name.
8128         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
8129         for emulated tls.
8130         * varpool.c (decide_is_variable_needed): Look at force_output.
8131         Recurse for emulated tls.
8132         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
8133         with decide_is_variable_needed.
8134         * emutls.c: New file.
8135         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
8136         tls_object for real tls.
8137
8138 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
8139
8140         PR rtl-optimization/29599
8141         * reload1.c (eliminate_regs_in_insn): Take the destination
8142         mode into account when computing the offset.
8143
8144 2007-02-09  Stuart Hastings  <stuart@apple.com>
8145             Richard Henderson  <rth@redhat.com>
8146
8147         * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
8148         * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
8149         * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
8150         fixuns_truncdfhi2): New.
8151         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
8152         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
8153         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
8154         (floatunssidf2): Allow nonimmediate source.
8155         * config/i386/sse.md (movdi_to_sse): New.
8156         (vec_concatv2di): Drop '*'.
8157         * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
8158         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
8159         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
8160         New.
8161         * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
8162         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
8163         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
8164         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
8165         (ix86_build_signbit_mask): Fix decl of v, refactor to call
8166         ix86_build_const_vector.
8167         (x86_emit_floatuns): Rewrite.
8168
8169 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8170
8171         * genautomata.c (longest_path_length): Delete unused function.
8172         (struct state): Delete unused longest_path_length.
8173         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
8174         (get_free_state): Delete unused.
8175
8176 2007-02-09  Jan Hubicka  <jh@suse.cz>
8177
8178         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
8179         * doc/invoke.texi (inline-unit-growth): Update default value.
8180
8181         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
8182         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
8183         (rebuild_cgraph_edges): Likewise.
8184         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
8185         (dump_cgraph_node): Dump frequencies.
8186         (cgraph_clone_edge): Add frequency scales.
8187         (cgraph_clone_node): Add freuqnecy.
8188         * cgraph.h (cgraph_edge): Add freuqnecy argument.
8189         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
8190         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
8191         * tree-pass.h (TODO_rebuild_frequencies): New constant.
8192         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
8193         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
8194         (save_inline_function_body): Likewise.
8195         * ipa-inline.c: inluce rtl.h
8196         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
8197         (cgraph_edge_badness): Use frequencies.
8198         (cgraph_decide_recursive_inlining): Update clonning.
8199         (cgraph_decide_inlining_of_small_function): Dump frequency.
8200         * predict.c (estimate_bb_frequencies): Export.
8201         * predict.h (estimate_bb_frequencies): Declare.
8202         * tree-inline.c (copy_bb): Watch overflows.
8203         (expand_call_inline): Update call of cgraph_create_edge.
8204         (optimize_inline_calls): Use TODO flags to update frequnecies.
8205         * passes.h: Include predict.h
8206         (init_optimization_passes): Move profile ahead.
8207         (execute_function_todo): Handle TODO_rebuild_frequencies.
8208
8209 2007-02-09  Roger Sayle  <roger@eyesopen.com>
8210
8211         * config/alpha/alpha.c (emit_insxl): Force the first operand of
8212         the insbl or inswl pattern into a register.
8213
8214 2007-02-09  Roger Sayle  <roger@eyesopen.com>
8215
8216         * config/ia64/ia64.md (bswapdi2): New define_insn.
8217
8218 2007-02-09  Richard Henderson  <rth@redhat.com>
8219
8220         * config/i386/constraints.md (Ym): New constraint.
8221         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
8222         (movdi_1_rex64): Split sse and xmm general register moves from
8223         memory move alternatives.  Use conditional register constraints.
8224         (movsf_1, movdf_integer): Likewise.
8225         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
8226         (movdf_integer_rex64): New.
8227         (pushsf_rex64): Fix output constraints.
8228         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
8229         (sse2_stored): Likewise.
8230         (sse2_storeq_rex64): New.
8231         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
8232         amd and not generic.
8233         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
8234         for optimize_size.  Remove SF/DFmode hack.
8235
8236 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
8237
8238         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
8239         (bit_SSE4a): New.
8240
8241 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
8242             Richard Sandiford  <richard@codesourcery.com>
8243
8244         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
8245         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
8246         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
8247         m68k/t-mlib to tmake_file.
8248         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
8249         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
8250         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
8251         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
8252         variable is not empty, add t-$m68k_arch_family to tmake_file.
8253         Add t-mlibs to tmake_file.
8254         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
8255         * config/m68k/t-cf: New file.
8256         * config/m68k/t-m68k: Likewise.
8257         * config/m68k/t-mlibs: Likewise.
8258         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8259         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8260         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
8261         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8262         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
8263         Delete.
8264         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
8265         (INSTALL_LIBGCC): Delete.
8266         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
8267         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8268         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8269         (M68K_MLIB_CPU): Define.
8270         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8271         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8272         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
8273
8274 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
8275             Richard Guenther  <rguenther@suse.de>
8276
8277         PR middle-end/23361
8278         * fold-const.c (fold_comparison): Handle obfuscated comparisons
8279         against INT_MIN/INT_MAX.
8280         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
8281         file if a loop is removed.
8282
8283 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
8284
8285         * calls.c (store_one_arg): Pass correct alignment to
8286         emit_push_insn for non-BLKmode values.
8287         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
8288         unaligned stack slot via a suitably aligned slot.
8289
8290 2007-02-08  DJ Delorie  <dj@redhat.com>
8291
8292         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
8293         warnings.
8294         (legal_subregs): Use unsigned char, make const.
8295         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
8296
8297 2007-02-08  Paul Brook  <paul@codesourcery.com>
8298
8299         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
8300         special interworking needed.
8301
8302 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
8303
8304         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
8305         conditional to __SSE2__.
8306         (Entries below should have been added to first ChangeLog
8307         entry for amdfam10 dated 2007-02-05)
8308         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
8309         defined.
8310         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
8311         defined.
8312         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
8313         defined.
8314
8315 2007-02-08  DJ Delorie  <dj@redhat.com>
8316
8317         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
8318         * config/m32c/m32c.c (legal_subregs): New.
8319         (m32c_illegal_subreg_p): New.
8320         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
8321         unsupported subregs of hard regs.
8322
8323 2007-02-08  Jan Hubicka  <jh@suse.cz>
8324
8325         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
8326         the same one; always update histograms.
8327
8328 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
8329
8330         * passes.c (init_optimization_passes): Tidy comment.
8331
8332 2007-02-08  Roger Sayle  <roger@eyesopen.com>
8333
8334         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
8335         strip zero_extend, bswap and rotates from POCOUNT's argument.
8336         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
8337         zero_extend and rotates from PARITY's argument.
8338         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
8339         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
8340         of an integer constant at compile-time.
8341
8342 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
8343
8344         PR 30562
8345         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
8346         Update all users.
8347         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
8348         users.
8349         (init_alias_info):
8350         * tree-ssa-live.c (remove_unused_locals): Do not remove
8351         TREE_ADDRESSABLE variables.
8352         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
8353         * tree-ssa-operands.c (add_virtual_operand): Remove argument
8354         FOR_CLOBBER.  Update all users.
8355         If VAR has an associated alias set, add a virtual operand for
8356         it if no alias is found to conflict with the memory reference.
8357
8358 2007-02-07  Jan Hubicka  <jh@suse.cz>
8359             Robert Kidd <rkidd@crhc.uiuc.edu>
8360
8361         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
8362
8363 2007-02-07  Ian Lance Taylor  <iant@google.com>
8364
8365         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
8366
8367 2007-02-07  Roger Sayle  <roger@eyesopen.com>
8368
8369         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
8370         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
8371         tablejumpdi, movsi_to_cr_one): Remove constraints from
8372         define_expand's match_operands.
8373
8374 2007-02-07  Roger Sayle  <roger@eyesopen.com>
8375
8376         * global.c (compute_regsets): Move declatation of "i" inside of
8377         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
8378
8379 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
8380
8381         PR c++/30703
8382         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
8383         of INDIRECT_REF <RESULT_DECL>.
8384
8385         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
8386
8387 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
8388             Kaz Kojima  <kkojima@gcc.gnu.org>
8389
8390         PR target/29746
8391         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
8392         properly.
8393         (sh_initialize_trampoline): Add parentheses to avoid a warning.
8394
8395 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
8396
8397         * doc/loop.texi: Document possibility not to perform disambiguation
8398         of loops with multiple latches.
8399         * cfgloopmanip.c (alp_enum_p): Removed.
8400         (add_loop): Handle subloops.  Use get_loop_body_with_size.
8401         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
8402         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
8403         the new forwarder block.
8404         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
8405         Handle the case latch is NULL.
8406         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
8407         when marking loop exits.
8408         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
8409         be modified.
8410         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
8411         disambiguate_loops_with_multiple_latches.
8412         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
8413         before fix_loop_structure.
8414         * cfgloop.c: Include pointer-set.h and output.h.
8415         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
8416         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
8417         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
8418         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
8419         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
8420         disambiguate_multiple_latches, get_loop_body_with_size,
8421         disambiguate_loops_with_multiple_latches): New functions.
8422         (flow_loop_dump): Dump multiple latch edges.
8423         (flow_loop_nodes_find): Handle loops with multiple latches.
8424         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
8425         (glb_enum_p): Modified.
8426         (get_loop_body): Use get_loop_body_with_size.
8427         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
8428         (AVOID_CFG_MODIFICATIONS): New constant.
8429         (disambiguate_loops_with_multiple_latches, add_loop,
8430         get_loop_body_with_size): Declare.
8431         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
8432
8433 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
8434
8435         PR inline-asm/28686
8436         * global.c (compute_regsets): New function.
8437         (global_alloc): Refactored ELIMINABLE_REGSET
8438         and NO_GLOBAL_ALLOC_REGS computation out.
8439         (rest_of_handle_global_alloc): Call compute_regsets()
8440         for non-optimizing case.
8441
8442 2007-02-06  Richard Henderson  <rth@redhat.com>
8443
8444         * config/i386/constraints.md (Y2): Rename from Y.
8445         (Yi): New constraint.
8446         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
8447         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
8448         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
8449         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
8450         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
8451         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
8452         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
8453         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
8454         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
8455         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
8456         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
8457         vec_extractv2si_1): Change Y constraints to Y2.
8458         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
8459         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
8460         Change Y constraints to Y2.
8461         (sse2_loadld): Change Y constraints to x.
8462
8463 2007-02-06  Roger Sayle  <roger@eyesopen.com>
8464
8465         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
8466         (parity<mode>2): New define_expand using rs6000_emit_parity.
8467         * config/rs6000/rs6000.c (rs6000_emit_popcount,
8468         rs6000_emit_parity): New functions.
8469         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
8470         rs6000_emit_parity): Prototype here.
8471
8472 2007-02-06  Ian Lance Taylor  <iant@google.com>
8473
8474         * lower-subreg.c (simple_move_operand): Reject CONST.
8475         (resolve_clobber): Call validate_change rather than directly
8476         assigning to XEXP (pat, 0).
8477
8478 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
8479
8480         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
8481         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
8482         (tree-cfg.o): Remove hashtab.h dependency.
8483
8484         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
8485         (struct ivopts_data): Change niters to pointer_map_t.
8486         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
8487         (niter_for_exit): Create pointer_map on demand.  Change for
8488         pointer_map API.
8489         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
8490         (free_loop_data): Destroy data->niters if created and reset field.
8491         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
8492         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
8493
8494         * tree-ssa-reassoc.c: Include pointer-set.h.
8495         (bb_rank): Change to long *.
8496         (operand_rank): Change to pointer_map_t.
8497         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
8498         (insert_operand_rank): Accept long.
8499         (operand_entry_hash, operand_entry_eq): Remove.
8500         (get_rank): Return long.  Adjust for changes above.
8501         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
8502         and operand_rank.
8503         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
8504
8505         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
8506         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
8507         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
8508         is not NULL.
8509         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
8510         directly since it cannot be NULL.
8511         (get_vi_for_tree): Rewrite for pointer_map API.
8512         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
8513         (init_alias_vars): Create vi_for_tree as pointer_map.
8514         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
8515
8516         * tree-cfg.c: Don't include hashtab.h.
8517         (edge_to_cases): Declare as pointer_map.
8518         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
8519         Delete.
8520         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
8521         (start_recording_case_labels): Create edge_to_cases as pointer_map.
8522         (end_recoding_case_labels): Cleanup edge_to_cases manually before
8523         destroying it.
8524         (record_switch_edge): Delete.
8525         (get_cases_for_edge): Adjust for pointer_map API, inline
8526         record_switch_edge (rewritten for new API), remove goto.
8527
8528 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
8529
8530         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
8531         * tree-nested.c: Include pointer-set.h.
8532         (var_map_elt, var_map_eq, var_map_hash): Delete.
8533         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
8534         to pointer_map_t's.
8535         (nesting_info_bitmap_obstack): New.
8536         (lookup_field_for_decl): Adjust for pointer_map API.
8537         (lookup_tramp_for_decl): Adjust for pointer_map API.
8538         (get_nonlocal_debug_decl): Adjust for pointer_map API.
8539         (get_local_debug_decl): Adjust for pointer_map API.
8540         (convert_nl_goto_reference): Adjust for pointer_map API.
8541         (convert_nl_goto_receiver): Adjust for pointer_map API.
8542         (create_nesting_tree): Create outside GGC space.  Create bitmap on
8543         the new obstack.  Create field_map and var_map as pointer_maps.
8544         (free_nesting_tree): Adjust for changes to create_nesting_tree.
8545         (root): Delete.
8546         (lower_nested_functions): Move root here, no need to NULL it.
8547         Initialize and release the obstack.
8548
8549 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
8550
8551         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
8552         Remove prototypes and make them non-static.
8553         (struct tree_int_map): Remove.
8554         * tree.h (struct tree_int_map): Move here, turning TO into an
8555         unsigned int.
8556         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
8557
8558         * tree.h (TREE_COMPLEXITY): Remove.
8559         (struct tree_exp): Remove complexity field.
8560         * tree.c (build1_stat): Don't set it.
8561
8562 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
8563             Victor Kaplansky  <victork@il.ibm.com>
8564
8565         * tree-vectorizer.c (vect_is_simple_use): Support induction.
8566         (vect_is_simple_reduction): Support reduction with induction as
8567         one of the operands.
8568         (vect_is_simple_iv_evolution): Fix formatting.
8569         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
8570         formatting.  Don't mark induction phis for vectorization.
8571         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
8572         * tree-vect-transform.c (get_initial_def_for_induction): New function.
8573         (vect_get_vec_def_for_operand): Support induction.
8574         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
8575         induction case.
8576         (vectorizable_reduction): Support reduction with induction as one of
8577         the operands.
8578         (vectorizable_type_demotion): Use def-type of stmt argument rather
8579         than dummy def-type.
8580
8581         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
8582         flag_tree_scev_cprop.
8583         * common.opt (tree-scev-cprop): New flag.
8584
8585         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
8586         call to vect_get_new_vect_var.
8587
8588 2007-02-06  Ira Rosen  <irar@il.ibm.com>
8589
8590         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
8591         vectype is not NULL.
8592         (vect_pattern_recog_1): Likewise.
8593
8594 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8595
8596         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
8597         (fold_negate_expr): Likewise.
8598
8599 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
8600
8601         PR debug/30189
8602         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
8603         even if cv-qualification is the same.
8604
8605 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
8606
8607         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
8608         __enable_execute_stack on completion.
8609
8610 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8611
8612         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
8613         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
8614         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
8615         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
8616         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
8617         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
8618         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
8619         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
8620
8621 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8622
8623         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
8624         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
8625         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
8626         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
8627         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
8628         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
8629         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
8630         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
8631         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
8632         umuldi3_highpart_rex64, umulsi3_highpart_insn,
8633         umulsi3_highpart_zext, smuldi3_highpart_rex64,
8634         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
8635         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
8636         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
8637         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
8638         sqrtextenddfxf2_i387): Added amdfam10_decode.
8639
8640         * config/i386/athlon.md (athlon_idirect_amdfam10,
8641         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
8642         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
8643         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
8644         athlon_ivector_store_amdfam10): New define_insn_reservation.
8645         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
8646         amdfam10.
8647
8648 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8649
8650         * config/i386/athlon.md (athlon_call_amdfam10,
8651         athlon_pop_amdfam10, athlon_lea_amdfam10): New
8652         define_insn_reservation.
8653         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
8654         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
8655         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
8656
8657 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8658
8659         * config/i386/athlon.md (athlon_sseld_amdfam10,
8660         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
8661         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
8662
8663 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8664
8665         * config/i386/athlon.md (athlon_sseins_amdfam10): New
8666         define_insn_reservation.
8667         * config/i386/i386.md (sseins): Added sseins to define_attr type
8668         and define_attr unit.
8669         * config/i386/sse.md: Set type attribute to sseins for insertq
8670         and insertqi.
8671
8672 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8673
8674         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
8675         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
8676         ssecomi_load_amdfam10, ssecomi_amdfam10,
8677         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
8678         define_insn_reservation.
8679         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
8680
8681 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8682
8683         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
8684         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
8685         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
8686         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
8687         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
8688         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
8689         define_insn_reservation.
8690
8691         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
8692         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
8693         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
8694         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
8695         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
8696
8697 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8698
8699         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
8700         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
8701         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
8702         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
8703         athlon_ssemul_load_k8): Added amdfam10.
8704
8705 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8706
8707         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
8708         (x86_sse_unaligned_move_optimal): New variable.
8709
8710         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
8711         m_AMDFAM10.
8712         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
8713         for unaligned vector SSE double/single precision loads for AMDFAM10.
8714
8715 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8716
8717         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
8718         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
8719         Define TARGET_CPU_DEFAULT_amdfam10.
8720         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
8721         (processor_type): Add PROCESSOR_AMDFAM10.
8722
8723         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
8724         processor_type in config/i386/i386.h.
8725         Enable imul peepholes for TARGET_AMDFAM10.
8726
8727         * config.gcc: Add support for --with-cpu option for amdfam10.
8728
8729         * config/i386/i386.c (amdfam10_cost): New variable.
8730         (m_AMDFAM10): New macro.
8731         (m_ATHLON_K8_AMDFAM10): New macro.
8732         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
8733         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
8734         x86_promote_QImode, x86_integer_DFmode_moves,
8735         x86_partial_reg_dependency, x86_memory_mismatch_stall,
8736         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
8737         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
8738         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
8739         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
8740         Enable/disable for amdfam10.
8741         (override_options): Add amdfam10_cost to processor_target_table.
8742         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
8743         processor_alias_table.
8744         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
8745         (ix86_adjust_cost): Add code for amdfam10.
8746
8747 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8748
8749         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
8750         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
8751         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
8752         * config/i386/i386.h: Add builtin definition for SSE4A.
8753         * config/i386/i386.md: Add support for ABM instructions
8754         (popcnt and lzcnt).
8755         * config/i386/sse.md: Add support for SSE4A instructions
8756         (movntss, movntsd, extrq, insertq).
8757         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
8758         Add -march=amdfam10 flag.
8759         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
8760         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
8761         and amdfam10.
8762         * doc/extend.texi: Add documentation for SSE4A builtins.
8763
8764 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
8765
8766         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
8767
8768 2007-02-05  Richard Guenther  <rguenther@suse.de>
8769
8770         * tree-vectorizer.h (vectorizable_function): Add argument type
8771         argument, change return type.
8772         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
8773         * tree-vect-transform.c (vectorizable_function): Handle extra
8774         argument, return vectorized function decl.
8775         (build_vectorized_function_call): Remove.
8776         (vectorizable_call): Handle calls with result and argument types
8777         differing.  Handle loop vectorization factor correctly.
8778         * targhooks.c (default_builtin_vectorized_function): Adjust for
8779         extra argument.
8780         * targhooks.h (default_builtin_vectorized_function): Likewise.
8781         * target.h (builtin_vectorized_function): Add argument type
8782         argument.
8783         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
8784         extra argument, allow vectorizing of lrintf.
8785         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
8786         documentation of target hook.
8787
8788 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
8789
8790         PR target/30665
8791         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
8792         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
8793         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
8794
8795 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8796
8797         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
8798         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
8799         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
8800         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
8801         before canonicalizing sincos to cexpi.
8802         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
8803
8804 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8805
8806         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
8807         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
8808         (alpha_init_builtins): Use alpha_add_builtins to process tables.
8809
8810 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8811
8812         * mips-tfile.c (initialize_init_file): Correct endianness test.
8813
8814 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
8815
8816         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
8817         the 'y' constraint.
8818
8819 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
8820
8821         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
8822         saves in a PARALLEL before the register assignments.
8823
8824 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
8825
8826         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
8827         DWARF_FRAME_RETURN_COLUMN to be a general register.
8828         * dwarf2out.c (init_return_column_size): New function, split from...
8829         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
8830         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
8831         to be nongeneral registers.
8832         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
8833         integer registers.
8834         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
8835         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
8836
8837 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
8838
8839         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
8840
8841 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
8842
8843         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
8844         (remove_path): Use can_remove_branch_p and remove_branch instead
8845         of loop_delete_branch_edge.
8846         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
8847         (tree_transform_and_unroll_loop): Remove dead branches immediately.
8848         Update profile using scale_dominated_blocks_in_loop.
8849         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
8850         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
8851         (can_remove_branch_p, remove_branch): Declare.
8852         * tree-cfg.c (tree_can_remove_branch_p): New function.
8853         (tree_cfg_hooks): Add tree_can_remove_branch_p.
8854         * cfgrtl.c (rtl_can_remove_branch_p): New function.
8855         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
8856
8857 2007-02-05  Jan Hubicka  <jh@suse.cz>
8858
8859         PR middle-end/30696
8860         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
8861         nodes in cgraph, don't remove offline copy of the function.
8862
8863 2007-02-04  Jan Hubicka  <jh@suse.cz>
8864
8865         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
8866         vectors might cause maybe_lookup_element_for_expr to be called
8867         on non-sra-candidate.
8868
8869 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8870
8871         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
8872         config/bfin/bfin.md, config/bfin/predicates.md: Follow
8873         spelling conventions.
8874
8875 2007-02-04  Richard Guenther  <rguenther@suse.de>
8876
8877         PR middle-end/30636
8878         * fold-const.c (try_move_mult_to_index): Make sure to not
8879         overflow one dimension of a multi-dimensional array access.
8880
8881 2007-02-04  Jan Hubicka  <jh@suse.cz>
8882
8883         * passes.c (init_optimization_passes): Reindent.
8884
8885 2007-02-04  Jan Hubicka  <jh@suse.cz>
8886             Eric Botcazou  <ebotcazou@adacore.com>
8887
8888         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
8889         (execute_fixup_cfg): Break out the abnormal goto code.
8890         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
8891         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
8892         (optimize_inline_calls): Call make_nonlocal_label_edges.
8893
8894 2007-02-04  Jan Hubicka  <jh@suse.cz>
8895
8896         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
8897         true when something was changed.
8898         (rename_ssa_copies): When something was changed, do
8899         TODO_remove_unused_locals.
8900         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
8901         add TODO_remove_unused_locals when instruction was removed.
8902
8903 2007-02-04  Jan Hubicka  <jh@suse.cz>
8904
8905         * ipa-inline.c (try_inline): Improve debug output; work on already
8906         inline edges too.
8907         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
8908         call try_inline for already inlined edges too when flattening;
8909         inline also functions that make callee growth but overall unit size
8910         reduce.
8911
8912 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8913
8914         * config/m32c/bitops.md, config/m32c/jump.md,
8915         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
8916         config/m32r/m32r.h, config/m32r/m32r.md,
8917         config/m32r/predicates.md, config/m68hc11/larith.asm,
8918         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
8919         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
8920         config/mips/mips-protos.h, config/mips/mips.c,
8921         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
8922         config/mn10300/mn10300.h, config/mn10300/predicates.md,
8923         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
8924         spelling conventions.
8925
8926         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
8927         Follow spelling conventions.
8928
8929 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
8930
8931         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
8932         warn about C++0x compatibility.
8933
8934 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8935
8936         * config/h8300/h8300.c, config/h8300/h8300.h,
8937         config/h8300/h8300.md: Follow spelling conventions.
8938
8939 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
8940
8941         PR middle-end/30667
8942         * combine.c (try_combine): Do not substitute source operand
8943         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
8944
8945 2007-02-03  Jan Hubicka  <jh@suse.cz>
8946
8947         PR gcov-profile/30650
8948         * value-prof.c (stringop_block_profile): Fix handling of size counter;
8949         do not divide by zero for never executed counters.
8950         (tree_find_values_to_profile): Fix counters.
8951         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
8952
8953 2007-02-03  Ian Lance Taylor  <iant@google.com>
8954
8955         * lower-subreg.c (simple_move_operand): New static function,
8956         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
8957         operands.
8958         (simple_move): Call simple_move_operand.
8959         (find_decomposable_subregs): Add special handling of MEMs.
8960         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
8961         meaning of return value.  If we see a hard register, test whether
8962         it can store a word_mode value.  Change all callers.
8963
8964 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8965
8966         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
8967         ftrapv insns and expanders.
8968         (subdi3): Change define_expand operand 1 to arith11_operand, and
8969         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
8970         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
8971         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
8972         respectively.
8973
8974         PR middle-end/30174
8975         * varasm.c (notice_global_symbol): Treat global objects as weak when
8976         flag_shlib is true.
8977
8978 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8979
8980         * emit-rtl.c (dconstpi): Delete.
8981         (dconstsqrt2): New.
8982         (init_emit_once): Delete dconstpi and init dconstsqrt2.
8983         * real.h (dconstpi): Delete.
8984         (dconstsqrt2): New.
8985         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
8986         (fold_builtin_hypot): Likewise.
8987
8988 2007-02-03  Tom Tromey  <tromey@redhat.com>
8989
8990         PR driver/30246
8991         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
8992         -gcoff3, -gxcoff3, -gvms3 implies -dD.
8993
8994 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
8995
8996         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
8997         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
8998         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
8999         config/rs6000/cell.md, config/rs6000/darwin.h,
9000         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
9001         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
9002         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
9003         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
9004         typos.  Follow spelling conventions.
9005         * doc/invoke.texi: Follow spelling conventions.
9006
9007 2007-02-03  Roger Sayle  <roger@eyesopen.com>
9008
9009         * simplify-rtx.c (simplify_relational_operation_1): Implement some
9010         canonicalization transformations that attempt to simplify integer
9011         constant comparisons to become comparisons against zero.
9012
9013 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9014
9015         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
9016         fabs(x)*sqrt(2).
9017         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
9018         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
9019
9020 2007-02-02  Mike Stump  <mrs@apple.com>
9021
9022         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
9023         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
9024         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
9025         generate a branch island.
9026
9027 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
9028
9029         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
9030         (xtensa_legitimate_address_p): New.
9031         (xtensa_legitimize_address): New.
9032         (xtensa_output_addr_const_extra): New.
9033         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
9034         (BASE_REG_P): New.
9035         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
9036         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
9037         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
9038         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
9039         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
9040         (xtensa_legitimize_address): New.
9041         (xtensa_output_addr_const_extra): New.
9042
9043 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
9044
9045         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
9046
9047 2007-02-02  Ian Lance Taylor  <iant@google.com>
9048
9049         * expmed.c (expand_divmod): Add comment.
9050
9051 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
9052
9053         * emit-rtl.c (renumber_insns): Remove.
9054         * flags.h: Remove the extern for flag_renumber_insns.
9055         * rtl.h: Remove the prototype for renumber_insns.
9056         * toplev.c (flag_renumber_insns): Remove.
9057
9058 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
9059
9060         Revert for x86 darwin:
9061         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
9062
9063         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
9064         code before the following patch under TARGET_MACHO.
9065         (ix86_function_value_regno_p): Likewise.
9066
9067 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9068
9069         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
9070         COMPLEX_EXPR.
9071
9072 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
9073
9074         PR target/29682
9075         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
9076         general or fp registers.  Add comments.
9077         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
9078
9079 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
9080
9081         * pointer-set.c (insert_aux): Only return insertion slot.
9082         (pointer_set_insert): Adjust.
9083         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
9084         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
9085         pointer_map_traverse): New.
9086         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
9087         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
9088         pointer_map_contains, pointer_map_traverse): Declare.
9089
9090 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
9091
9092         PR middle-end/30473
9093         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
9094         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
9095
9096 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
9097
9098         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
9099
9100         (struct _dep): New type.
9101         (dep_t): New typedef.
9102         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
9103         (DEP_STATUS): New access macro.  The macro with the same name was
9104         renamed to DEP_LINK_STATUS.
9105         (dep_init): Declare function
9106
9107         (struct _dep_link): New type.
9108         (dep_link_t): New typedef.
9109         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
9110         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
9111         (DEP_LINK_STATUS): New macro.
9112         (debug_dep_links): New debug function.
9113
9114         (struct _deps_list): New type.
9115         (deps_list_t): New typedef.
9116         (DEPS_LIST_FIRST): New access macro.
9117         (FOR_EACH_DEP_LINK): New cycle macro.
9118         (create_deps_list, free_deps_list, delete_deps_list): Declare
9119         functions.
9120         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
9121         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
9122         (copy_deps_list_change_con): Ditto.
9123
9124         (move_dep_link): Declare function.
9125
9126         (struct _dep_node): New type.
9127         (dep_node_t): New typedef.
9128         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
9129
9130         (struct haifa_insn_data.back_deps): New field to hold backward
9131         dependencies of the insn.
9132         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
9133         to deps_list_t.
9134         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
9135         Change its type to deps_list_t.
9136         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
9137         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
9138         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
9139
9140         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
9141
9142         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
9143
9144         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
9145         all callers.
9146         (dep_cost): Declare.
9147
9148         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
9149         (ds_to_dk, dk_to_ds): New functions.
9150
9151         (init_dep_1): New static function.
9152         (init_dep): New function.
9153         (copy_dep): New static function.
9154
9155         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
9156         functions.
9157         (detach_dep_link): New static function.
9158         (move_dep_link): New function.
9159
9160         (dep_links_consistent_p, dump_dep_links): New static functions.
9161         (debug_dep_links): New debugging function.
9162
9163         (deps_obstack, dl_obstack, dn_obstack): New static variables.
9164
9165         (alloc_deps_list, init_deps_list): New static functions.
9166         (create_deps_list): New function.
9167         (clear_deps_list): New static function.
9168         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
9169         (deps_list_consistent_p, dump_deps_list): New static functions.
9170         (debug_deps_list): New function.
9171         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
9172         functions.
9173         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
9174
9175         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
9176         use new scheduler dependencies lists.
9177         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
9178         (sched_analyze): Ditto.  Initialize dependencies lists.
9179         (add_forw_dep, compute_forward_dependences): Update to use new
9180         scheduler dependencies lists.
9181
9182         (init_dependency_caches): Init deps_obstack.
9183         (free_dependency_caches): Free deps_obstack.
9184
9185         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
9186         new scheduler dependencies lists.
9187         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
9188         (add_back_forw_dep, delete_back_forw_dep): Ditto.
9189
9190         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
9191         Update to use new scheduler dependencies lists.
9192         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
9193         (debug_dependencies): Ditto.
9194         (schedule_region): Update comments.
9195
9196         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
9197         scheduler dependencies lists.
9198         (schedule_ebb): Update comments.
9199
9200         * rtl.def (DEPS_LIST): Remove.
9201
9202         * lists.c (unused_deps_list): Remove.
9203         (free_list): Update assertions.
9204
9205         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
9206         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
9207
9208         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
9209         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
9210
9211         * haifa-sched.c (comments): Update.
9212         (insn_cost1): Remove.  Inline the code into insn_cost ().
9213         (insn_cost): Update to use new scheduler dependencies lists.  Move
9214         processing of the dependency cost to dep_cost ().
9215         (dep_cost): New function.  Use it instead of insn_cost () when
9216         evaluating cost of the dependency.  Use compatible interface to
9217         interact with the target.
9218         (priority): Update to use new scheduler dependencies lists.
9219         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
9220         with greater number of insns that depend on the insn.
9221         (schedule_insn): Update to use new scheduler dependencies lists.  Add
9222         code to free backward dependencies lists.  Inline and optimize code
9223         from resolve_dep () - see PR28071.
9224         (ok_for_early_queue_removal): Update to use new scheduler dependencies
9225         lists.  Update call to targetm.sched.is_costly_dependence hook.
9226
9227         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
9228         scheduler dependencies lists.
9229
9230         (resolve_dep): Remove.  Move the logic to schedule_insn ().
9231         (init_h_i_d): Initialize dependencies lists.
9232
9233         (process_insn_depend_be_in_spec): Rename to
9234         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
9235         dependencies lists.
9236         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
9237         Update to use new scheduler dependencies lists.
9238         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
9239
9240         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
9241         new scheduler dependencies lists.
9242         (build_intra_loop_deps): Ditto.
9243
9244         * target.h (struct _dep): Declare to use in
9245         gcc_target.sched.is_costly_dependence.
9246         (struct gcc_target.sched.adjust_cost): Fix typo.
9247         (struct gcc_target.sched.is_costly_dependence): Change signature to use
9248         single dep_t parameter instead of an equivalent triad.
9249         (struct gcc_target.sched.adjust_cost_2): Remove.
9250
9251         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
9252
9253         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
9254
9255         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
9256         documentation.
9257         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
9258
9259         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
9260         (REG_DEP_TRUE): Document.
9261
9262         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
9263         Change signature to correspond to the targetm.sched.adjust_cost hook.
9264         Update use in TARGET_SCHED_ADJUST_COST_2.
9265         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
9266         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
9267         new scheduler dependencies lists.
9268         (ia64_gen_check): Ditto.
9269
9270         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
9271         dependencies lists.
9272
9273         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
9274         signature to correspond to the targetm.sched.is_costly_dependence hook.
9275         (is_costly_group): Update to use new scheduler dependencies lists.
9276
9277         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
9278         instead of INSN_COST () macro.
9279
9280 2007-02-01  Ian Lance Taylor  <iant@google.com>
9281
9282         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
9283
9284 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
9285
9286         * pa.md (tp_load): Correct mfctl instruction syntax.
9287
9288 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
9289
9290         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
9291         altivec_padding_size calculation on AIX.  Improve comment, add
9292         assert to verify that it's right.
9293
9294         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
9295         64-bit.
9296
9297 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
9298
9299         PR inline-asm/28686
9300         * global.c (global_alloc): Add mising initialization of
9301         ELIMINABLE_REGSET.
9302
9303 2007-02-01  Roger Sayle  <roger@eyesopen.com>
9304
9305         * alias.c (init_alias_analysis): Correct whitespace.
9306         * bb-reorder.c (fix_edges_for_rarely_executed_code,
9307         partition_hot_cold_basic_blocks): Likewise.
9308         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
9309         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
9310         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
9311         fold_builtin_snprintf_chk, fold_builtin_printf,
9312         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
9313         do_mpfr_arg3, do_mpfr_sincos): Likewise.
9314         * cfgcleanup.c (cleanup_cfg): Likewise.
9315         * cfgexpand.c (tree_expand_cfg): Likewise.
9316         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
9317         * function.c (get_next_funcdef_no): Likewise.
9318         * gengtype.c (main): Likewise.
9319         * genmodes.c (main): Likewise.
9320         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
9321         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
9322         * ifcvt.c (noce_emit_move_insn): Likewise.
9323         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
9324         Likewise.
9325         * stor-layout.c (get_best_mode): Likewise.
9326         * tree-ssa-loop-niter.c (get_val_for): Likewise.
9327         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
9328         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
9329         perform_var_substitution, solve_graph): Likewise.
9330         * tree-vrp.c (vrp_finalize): Likewise.
9331
9332 2007-02-01  Ian Lance Taylor  <iant@google.com>
9333
9334         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
9335         high part of a paradoxical subreg, return a constant zero.
9336
9337 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
9338
9339         * toplev.c (lang_dependent_init): Call init_set_costs.
9340         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
9341
9342 2007-02-01  Richard Guenther  <rguenther@suse.de>
9343
9344         PR middle-end/30656
9345         * fold-const.c (fold_negate_expr): Allow negating a
9346         constant if overflow does not change.
9347
9348 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9349
9350         * doc/c-tree.texi (Expression trees): Improve markup.
9351         * doc/tm.texi (Register Classes, Addressing Modes)
9352         (Floating Point): Fix spacing after abbreviations.  Fix some
9353         typos.
9354
9355 2007-02-01  Ben Elliston  <bje@au.ibm.com>
9356
9357         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
9358         * doc/contrib.texi: Likewise.
9359         * doc/install.texi: Likewise.
9360
9361 2007-01-31  Richard Henderson  <rth@redhat.com>
9362             Ian Lance Taylor  <iant@google.com>
9363
9364         * lower-subreg.c: New file.
9365         * rtl.def (CONCATN): Define.
9366         * passes.c (init_optimization_passes): Add pass_lower_subreg and
9367         pass_lower_subreg2.
9368         * emit-rtl.c (update_reg_offset): New static function, broken out
9369         of gen_rtx_REG_offset.
9370         (gen_rtx_REG_offset): Call update_reg_offset.
9371         (gen_reg_rtx_offset): New function.
9372         * regclass.c: Revert patch of 2006-03-05, restoring
9373         reg_scan_update.
9374         (clear_reg_info_regno): New function.
9375         * dwarf2out.c (concatn_loc_descriptor): New static function.
9376         (loc_descriptor): Handle CONCATN.
9377         * common.opt (fsplit_wide_types): New option.
9378         * opts.c (decode_options): Set flag_split_wide_types when
9379         optimizing.
9380         * timevar.def (TV_LOWER_SUBREG): Define.
9381         * rtl.h (gen_reg_rtx_offset): Declare.
9382         (reg_scan_update): Declare.
9383         * regs.h (clear_reg_info_regno): Declare.
9384         * tree-pass.h (pass_lower_subreg): Declare.
9385         (pass_lower_subreg2): Declare.
9386         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
9387         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
9388         -fsplit-wide-types.
9389         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
9390         * Makefile.in (OBJS-common): Add lower-subreg.o.
9391         (lower-subreg.o): New target.
9392
9393 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9394
9395         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
9396
9397 2007-01-31  Anatoly Sokolov <aesok@post.ru>
9398
9399         PR target/19087
9400         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
9401
9402 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9403
9404         PR middle-end/29335
9405         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
9406
9407 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
9408
9409         * cfgloop.h: Include vec-prim.h.
9410         (enum li_flags): Remove LI_ONLY_OLD.
9411         (loop_iterator): Changed.
9412         (fel_next, fel_init): Iterate over loop tree.
9413         (FOR_EACH_LOOP_BREAK): New macro.
9414         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
9415         FOR_EACH_LOOP.
9416         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
9417         * modulo-sched.c (sms_schedule): Ditto.
9418         * tree-vectorizer.c (vectorize_loops): Ditto.
9419         * doc/loop.texi: Update information on loop numbering and behavior of
9420         FOR_EACH_LOOP wrto new loops.
9421         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9422         add_to_evolution_1): Test nestedness of loops instead of comparing
9423         their numbers.
9424         * tree-chrec.c (chrec_fold_plus_poly_poly,
9425         chrec_fold_multiply_poly_poly, chrec_evaluate,
9426         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
9427         reset_evolution_in_loop): Ditto.
9428         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
9429
9430 2007-01-31  Dirk Mueller  <dmueller@suse.de>
9431
9432         * c-common.c (warn_about_parentheses): Separate warning about
9433         un-parenthized sequence of comparison operators from the one
9434         which is supposed to warn about x <= y <= z.
9435
9436 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
9437
9438         * optabs.h (enum optab_index): Add new OTI_isinf.
9439         (isinf_optab): Define corresponding macro.
9440         * optabs.c (init_optabs): Initialize isinf_optab.
9441         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
9442         patterns.
9443         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
9444         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
9445         using isinf_optab.
9446         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
9447         expand_builtin_interclass_mathfn.
9448         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
9449         * config/i386/i386.md (UNSPEC_FXAM): New constant.
9450         (fxam<mode>2_i387): New insn pattern.
9451         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
9452         built-in functions as x87 inline asm.
9453
9454 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9455
9456         * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
9457
9458 2007-01-30  Eric Christopher  <echristo@apple.com>
9459
9460         * config.gcc: Add geode.
9461
9462 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9463
9464         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
9465         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
9466         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
9467         value-prof.c: Fix comment typos.
9468
9469 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9470
9471         PR c++/24745
9472         * doc/invoke.texi (Wpointer-arith): Document warning.
9473
9474 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
9475
9476         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
9477         the list of discrepancies from the draft TR.
9478
9479 2007-01-30  Dirk Mueller  <dmueller@suse.de>
9480
9481         PR c++/30601
9482         * doc/invoke.texi (-Wreturn-type): Update description to
9483         match new behavior.
9484
9485 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
9486
9487         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
9488
9489 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
9490
9491         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
9492         to handle optabs that operate on floating point input argument and
9493         output to integer output.
9494         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
9495         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
9496         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
9497         expand_builtin_interclass_mathfn ().
9498         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
9499         (ilogbsi2): Remove.
9500         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
9501         ilogbl built-in functions as x87 intrinsics.
9502
9503 2007-01-30  Richard Guenther  <rguenther@suse.de>
9504
9505         PR middle-end/27657
9506         * dwarf2out.c (reference_to_unused): Query varpool if the
9507         variable was output.
9508
9509 2007-01-30  Richard Guenther  <rguenther@suse.de>
9510
9511         PR middle-end/30313
9512         * passes.c (execute_one_pass): Reset in_gimple_form to not
9513         confuse non-unit-at-a-time mode.
9514
9515 2007-01-29  Roger Sayle  <roger@eyesopen.com>
9516             Richard Guenther  <rguenther@suse.de>
9517
9518         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
9519         avoid undefined behaviour on overflow.  Use force_fit_type_double
9520         to construct the constant with the specified TREE_OVERFLOW.
9521
9522 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
9523
9524         * config/dfp-bit.c: Add parameterized support for fp exceptions.
9525         * config/dfp-bit.h: Ditto.
9526
9527 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9528
9529         * c-decl.c (pop_scope): Replace warnings with call to
9530         warn_for_unused_label.
9531         * c-common.h (warn_for_unused_label): Declare.
9532         * c-common.c (warn_for_unused_label): Define.
9533
9534 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9535
9536         * tree-optimize.c (update_inlined_to_pointers): Delete unused
9537         function.
9538
9539 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
9540
9541         * Makefile.in (USER_H): Remove decfloat.h.
9542         * ginclude/decfloat.h: Delete, moving contents to ...
9543         * ginclude/float.h: Add support for decimal floating point,
9544         guarded by __STDC_WANT_DEC_FP__.
9545
9546 2007-01-29  Mike Stump  <mrs@apple.com>
9547
9548         * doc/gccint.texi (Top): Rename Loop Representation to Loop
9549         Analysis and Representation to resolve case insensitive conflict.
9550         * doc/loop.texi (Loop Analysis and Representation): Likewise.
9551
9552 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
9553
9554         * tree.h (struct tree_memory_tag): Add aliases member.
9555         (MTAG_ALIASES): New macro.
9556         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
9557         (add_may_alias): Remove pointer-set. Update for may_aliases being
9558         a bitmap.
9559         (mark_aliases_call_clobbered): Update for may_aliases being a
9560         bitmap.
9561         (compute_tag_properties): Ditto.
9562         (create_partition_for): Ditto.
9563         (compute_memory_partitions): Ditto.
9564         (dump_may_aliases_for): Ditto.
9565         (is_aliased_with): Ditto.
9566         (add_may_alias_for_new_tag): Ditto.
9567         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
9568         (compute_is_aliased): New function.
9569         (compute_may_aliases): Call compute_is_aliased).
9570         (init_alias_info): Initialize alias_bitmap_obstack.
9571         (union_alias_set_into): New function.
9572         (compute_flow_sensitive_aliasing): Use union_aliases_into.
9573         (have_common_aliases_p): Rewrite to take two bitmaps and use
9574         intersection.
9575         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
9576         Update for bitmaps.
9577         (finalize_ref_all_pointers): Update for add_may_alias changes.
9578         (new_type_alias): Ditto.
9579         * tree-flow-inline.h (may_aliases): Return a bitmap.
9580         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
9581         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
9582         may_aliases being a bitmap.
9583         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
9584         may_aliases now returns a bitmap.
9585         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
9586         being a bitmap.
9587         * tree-ssa-operands.c (add_virtual_operand): Update for
9588         may_aliases being a bitmap.
9589
9590 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
9591
9592         PR tree-optimization/30630
9593         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
9594         variable as changed.
9595
9596 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
9597
9598         PR c++/28266
9599         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
9600         expanded only once even if an error occurs.
9601
9602 2007-01-29  Ben Elliston  <bje@au.ibm.com>
9603
9604         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
9605         (__gcov_average_profiler): Likewise.
9606         (__gcov_ior_profiler): Likewise.
9607         (__gcov_merge_ior): Likewise.
9608
9609 2007-01-28  Jan Hubicka  <jh@suse.cz>
9610
9611         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
9612         * value-prof.c (stringop_block_profile): Likewise.
9613
9614 2007-01-28  Jan Hubicka  <jh@suse.cz>
9615
9616         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
9617         variant handling histograms; add wrapper.
9618         (clear_storage_via_libcall): Export.
9619         (emit_block_move_hints): Break out from ...; add histograms.
9620         (emit_block_move): ... this one.
9621         (clear_storage_hints): Break out from ...; add histograms.
9622         (clear_storage): ... this one.
9623         (set_storage_via_memset): Handle histogram.
9624         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
9625         (clear_storage_hints, clear_storage_via_libcall): Declare.
9626         (set_storage_via_setmem): Update prototype.
9627         * doc/md.texi (movmem, setmem): Document new arguments.
9628
9629         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
9630         new histograms.
9631         (stringop_block_profile): New global function.
9632         (tree_stringops_values_to_profile): Profile block size and alignment.
9633         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
9634         HIST_TYPE_IOR.
9635         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
9636         (stringop_block_profile): Declare.
9637         * builtins.c: Include value-prof.h.
9638         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
9639         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
9640         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
9641         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
9642         * profile.c (instrument_values): Add new counters.
9643         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
9644         calls.
9645         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
9646         (tree_init_edge_profiler): Build new profilers.
9647         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
9648         (pass_tree_profile): Add dump.
9649         (tree_profile_hooks): Update.
9650         * Makefile.in (LIBGCOV): Add new constants.
9651         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
9652         __gcov_ior_profiler): New.
9653         * i386.md (movmem/setmem expanders): Add new optional arguments.
9654
9655 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
9656
9657         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
9658
9659 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
9660
9661         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
9662         (tree_unswitch_single_loop): Pass eni_size_weights to
9663         tree_num_loop_insns.
9664         * tree-ssa-loop-manip.c: Include tree-inline.h.
9665         (can_unroll_loop_p): Pass eni_size_weights to
9666         tree_num_loop_insns.
9667         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
9668         Pass eni_size_weights to estimate_num_insns.
9669         * tree.h (init_inline_once): Export.
9670         * toplev.c (backend_init): Call init_inline_once.
9671         * cgraphunit.c (cgraph_process_new_functions,
9672         cgraph_analyze_function): Pass eni_inlining_weights to
9673         estimate_num_insns.
9674         * ipa-inline.c (compute_inline_parameters): Ditto.
9675         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
9676         to estimate_num_insns.
9677         (try_unroll_loop_completely): Pass eni_size_weights to
9678         tree_num_loop_insns.
9679         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
9680         ot estimate_num_insns.
9681         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
9682         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
9683         * tree-inline.c (eni_inlining_weights, eni_size_weights,
9684         eni_time_weights): New variables.
9685         (init_inline_once): Initialize them.
9686         (struct eni_data): Mew.
9687         (estimate_num_insns_1, estimate_num_insns): Use weights.
9688         * tree-inline.h (struct eni_weights_d): New.
9689         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
9690         (estimate_num_insns): Declaration changed.
9691         * cfgloop.h (tree_num_loop_insns): Declaration changed.
9692         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
9693         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
9694
9695 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
9696
9697         * tree-data-ref.c (conflict_fn): Assert that the number of affine
9698         relations in the conflict function is valid.
9699
9700 2007-01-27  Ian Lance Taylor  <iant@google.com>
9701
9702         * common.opt: Add fstrict-overflow.
9703         * opts.c (decode_options): Set flag_strict_overflow if -O2.
9704         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
9705         (TYPE_OVERFLOW_UNDEFINED): Define.
9706         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
9707         Replace all uses.
9708         * tree.h (TYPE_TRAP_SIGNED): Don't define.
9709         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
9710         (fold_negate_expr): Likewise.
9711         (make_range): Likewise.
9712         (extract_muldiv_1): Likewise.
9713         (maybe_canonicalize_comparison): Likewise.
9714         (fold_comparison): Likewise.
9715         (fold_binary): Likewise.
9716         (tree_expr_nonnegative_p): Likewise.
9717         (tree_expr_nonzero_p): Likewise.
9718         * tree-vrp.c (compare_values): Likewise.
9719         (extract_range_from_binary_expr): Likewise.
9720         (extract_range_from_unary_expr): Likewise.
9721         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
9722         Likewise.
9723         (nowrap_type_p): Likewise.
9724         * tree-scalar-evolution.c (simple_iv): Likewise.
9725         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
9726         (build_range_check): Likewise.
9727         (extract_muldiv_1): Likewise.
9728         (fold_comparison): Likewise.
9729         * tree-vrp.c (vrp_int_const_binop): Likewise.
9730         (extract_range_from_unary_expr): Likewise.
9731         * convert.c (convert_to_integer): Likewise.
9732         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
9733         (fold_comparison): Likewise.
9734         (fold_binary): Likewise.
9735         * optabs.c (optab_for_tree_code): Likewise.
9736         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
9737         * simplify-rtx.c (simplify_const_relational_operation): Check
9738         flag_strict_overflow and flag_trapv.
9739         (simplify_const_relational_operation): Likewise.
9740         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
9741         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
9742         -fstrict-overflow.
9743
9744 2007-01-27  Roger Sayle  <roger@eyesopen.com>
9745
9746         * tree.c (tree_fold_gcd): Delete.
9747         * tree.h (tree_fold_gcd): Remove prototype.
9748         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
9749         test whether one constant integer is a multiple of another.  Instead
9750         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
9751         * fold-const.c (multiple_of_p):  We've determined both TOP and
9752         BOTTOM are integer constants so we can call int_const_binop directly
9753         instead of the more generic const_binop.
9754
9755 2007-01-27  Roger Sayle  <roger@eyesopen.com>
9756
9757         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
9758         1*X check that the constant hasn't overflowed, to preserve the
9759         TREE_OVERFLOW bit.
9760         (round_up): Provide an efficient implementation when rouding-up an
9761         INTEGER_CST to a power-of-two.
9762
9763 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9764
9765         * doc/sourcebuild.texi: Add comma for clarity.
9766         * doc/extend.texi: Fix some typos.
9767         * doc/passes.texi: Likewise.
9768         * doc/cppinternals.texi: Likewise.
9769         * doc/c-tree.texi: Likewise.
9770         * doc/tree-ssa.texi: Likewise.
9771         * doc/install.texi: Likewise.
9772
9773 2007-01-27  Jan Hubicka  <jh@suse.cz>
9774
9775         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
9776         (pass_sra): Do not require alias information.
9777         * passes.c (init_optimization_passes): Add SRA
9778
9779 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
9780
9781         * tracer.c (rest_of_handle_tracer): We already cleaned
9782         up the CFG in tracer() so don't do it here again.
9783         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
9784         cleanup_cfg here, either.  And don't call renumber_insns.
9785
9786         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
9787         and BB_HEAD are in the insn stream here.  Instead make sure
9788         that BB_INSN is valid on all insns.  Also, do check here that
9789         there are no pending branch predictions...
9790         (rtl_verify_flow_info): ...instead of doing it here.  Checks
9791         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
9792         here.
9793
9794 2007-01-26  Roger Sayle  <roger@eyesopen.com>
9795
9796         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
9797         function to simplify/factorize operand order canonicalization.
9798         (ix86_fixup_binary_operands): Reorganize using the above function.
9799         (ix86_binary_operator_ok): Likewise.
9800
9801 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
9802
9803         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
9804         file scope from optimize_attrs.
9805         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
9806         up search.
9807         (optimize_attrs): Clear insn_code_values after freeing it.
9808
9809 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
9810
9811         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
9812         a parts.base assignment.
9813
9814 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
9815
9816         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
9817         (compute_subscript_distance, initialize_data_dependence_relation,
9818         finalize_ddr_dependent, analyze_ziv_subscript,
9819         analyze_siv_subscript_cst_affine,
9820         compute_overlap_steps_for_affine_univar,
9821         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
9822         analyze_siv_subscript, analyze_miv_subscript,
9823         analyze_overlapping_iterations, subscript_dependence_tester_1,
9824         compute_self_dependence, free_dependence_relation): Work
9825         with affine_fn instead of chrecs.
9826         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
9827         common_affine_function, affine_function_base,
9828         affine_function_constant_p, affine_fn_op, affine_fn_plus,
9829         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
9830         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
9831         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
9832         (all_chrecs_equal_p): Removed.
9833         * tree-data-ref.h (affine_fn, conflict_function): New types.
9834         (struct subscript): Change type of conflicting_iterations_in_a
9835         and conflicting_iterations_in_b.
9836
9837 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
9838
9839         PR other/30182
9840         * config/pa/pa.h (TARGET_HPUX_11): New.
9841         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
9842         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
9843
9844 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
9845         Richard Guenther  <rguenther@suse.de>
9846
9847         * tree-ssa-structalias.c (solve_graph): Handle case
9848         we merged the variable to another.
9849
9850 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9851
9852         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
9853         functions.
9854
9855         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
9856         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
9857
9858 2007-01-25  DJ Delorie  <dj@redhat.com>
9859
9860         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
9861         allow changes to modes which don't fit in those registers.
9862
9863         * reload1.c (choose_reload_regs): Check for invalid subregs before
9864         computing their locations, not after.
9865
9866 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
9867
9868         PR 25127
9869         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
9870         save Altivec registers in an eh_return function.
9871         (compute_vrsave_mask): Likewise.
9872         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
9873         for saving Altivec registers.
9874         (rs6000_emit_prologue): Don't allocate stack twice in
9875         eh_return function.  Correct expected value of altivec_save_offset
9876         when using save_world.  Describe save of R0 to stack when using
9877         save_world.  Describe stack pointer adjustment when using
9878         save_world.  Remove duplicated eh_return parameter register saving.
9879         Update sp_offset variable after save_world.
9880         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
9881         darwin-world.asm.
9882         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
9883         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
9884         implies Altivec.
9885
9886 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
9887
9888         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
9889
9890 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
9891
9892         PR other/30182
9893         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
9894         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
9895
9896 2007-01-25  Richard Guenther  <rguenther@suse.de>
9897
9898         * doc/invoke.texi (-Wcoverage-mismatch): Document.
9899         * common.opt (-Wcoverage-mismatch): New warning option.
9900         * coverage.c (get_coverage_counts): Ignore coverage mismatch
9901         if -Wcoverage-mismatch is given.
9902
9903 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
9904
9905         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
9906         (ipcp_driver): Change to static definition.
9907         Add dumping of the ifunctions.
9908         (constant_val_insert): Remove unused parameter. Support for SSA.
9909         (ipcp_propagate_const): Support for SSA.
9910         (ipcp_profile_bb_print): Print only analyzed nodes.
9911         (ipcp_replace_map_create): Remove support for Fortran constant
9912         for now.
9913         * ipa-prop.c (ipa_method_modify_stmt,
9914         ipa_callsite_compute_param): Support for SSA.
9915         * ipa-prop.h (ipcp_driver): Remove declaration.
9916         (IS_VALID_TREE_MAP_INDEX): Add define.
9917
9918 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
9919
9920         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
9921
9922 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9923
9924         PR middle-end/30447
9925         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
9926         constant argument to cabs and do it without checking for
9927         -funsafe-math-optimizations.
9928
9929 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
9930
9931         * c-common.h (RID_FIRST_CXX0X): New.
9932         (RID_LAST_CXX0X): New.
9933         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
9934         by -Wall.
9935         * c.opt (Wc++0x-compat): New.
9936         * doc/invoke.texi (-Wc++0x-compat): Document.
9937
9938 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9939
9940         * builtins.c (fold_builtin_carg): New.
9941         (fold_builtin_1): Use it.
9942
9943 2007-01-24  Jan Hubicka  <jh@suse.cz>
9944
9945         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
9946
9947         * ipa-inline.c (initial_insns, max_insns): Delete.
9948         (compute_max_insns): New function.
9949         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
9950         of insns as base for code growth.
9951         (cgraph_decide_inlining): Make initial_insns local; do not compute
9952         max_insns.
9953         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
9954         * doc/invoke.texi (inline-unit-growth): Update docs.
9955
9956 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
9957
9958         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
9959         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
9960         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
9961         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
9962         for CPUs that have PTA_CX16 set.
9963
9964         PR middle-end/27416
9965         * gimplify.c (omp_check_private): New function.
9966         (gimplify_scan_omp_clauses): Use it for
9967         firstprivate/lastprivate/reduction.
9968
9969         PR middle-end/30494
9970         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
9971         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
9972
9973         PR middle-end/30421
9974         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
9975         If lower_lastprivate_clauses emits some statements, append them
9976         to dlist rather than body_p and to body_p append an initializer.
9977         (lower_omp_for): Adjust caller.
9978
9979 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
9980
9981         * target.h (globalize_decl_name): New.
9982         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
9983         * output.h (default_globalize_decl_name): New.
9984         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
9985         globalize_label.
9986         (globalize_decl): Ditto.
9987         (default_globalize_decl_name): New.
9988         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
9989         (ia64_handle_version_id_attribute): New.
9990         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
9991         (ia64_asm_output_external): Use globalize_decl_name instead
9992         of globalize_label.
9993         * doc/extend.texi (version_id): New pragma.
9994         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
9995
9996 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9997
9998         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
9999         _uleb128_t and _Unwind_SWord with _sleb128_t.
10000         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
10001         uw_frame_state_for, uw_update_context_1): Likewise.
10002         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
10003         * unwind-pe.h (read_uleb128, read_sleb128,
10004         read_encoded_value_with_base): Likewise.
10005         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
10006
10007 2007-01-24  Richard Guenther  <rguenther@suse.de>
10008
10009         * builtins.c (expand_builtin_cexpi): Get the fndecl
10010         for cexp in the correct way.
10011
10012 2007-01-24  Jan Hubicka  <jh@suse.cz>
10013
10014         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
10015
10016 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
10017
10018         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
10019         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
10020         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
10021         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
10022         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
10023         __SIZEOF_PTRDIFF_T__.
10024         * doc/cpp.texi: Documentation for the new builtin macros added.
10025
10026 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
10027
10028         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
10029         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
10030         instead of operands[2] to avoid access past the end of array.
10031
10032 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
10033
10034         * reload1.c (emit_reload_insns): Pass the reload register
10035         for a non-spill output reload through forget_old_reloads_1.
10036
10037 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
10038
10039         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
10040         _SOFT_DOUBLE if doubles use software floating-point.
10041         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
10042         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
10043         * config/rs6000/darwin-ldouble.c: Also compile functions for
10044         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
10045         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
10046         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
10047         commented-out long double override.
10048         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
10049         * config/rs6000/eabispe.h: Likewise.
10050         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
10051         long double for non-SPE.
10052         (rs6000_handle_option): Likewise.
10053         (invalid_e500_subreg): Disallow more subregs involding DImode,
10054         DFmode, TImode or TFmode.
10055         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
10056         E500 double.
10057         (legitimate_lo_sum_address_p): Also check for TFmode for E500
10058         double.
10059         (rs6000_legitimize_address): Also handle TFmode for E500 double.
10060         (rs6000_legitimize_reload_address): Also handle TFmode for E500
10061         double.
10062         (rs6000_legitimate_address): Also check for TFmode for E500
10063         double.
10064         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
10065         (spe_build_register_parallel): Handle TFmode and TCmode.
10066         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
10067         double.
10068         (function_arg): Handle TFmode and TCmode for E500 double.
10069         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
10070         in general.
10071         (print_operand): Handle TFmode and TImode for %y.
10072         (rs6000_generate_compare): Handle TFmode comparisons for E500
10073         double.
10074         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
10075         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
10076         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
10077         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
10078         TFmode for E500 double.
10079         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
10080         (floatsidf2): Enable for E500 double.
10081         (movtf_softfloat): Use rs6000_nonimmediate_operand.
10082         (extenddftf2): Change to extenddftf2_fprs.
10083         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
10084         depending on TARGET_E500_DOUBLE.
10085         (extendsftf2): Enable for E500 double.
10086         (trunctfdf2): Enable for E500 double.
10087         (trunctfsf2): Change to trunctfsf2_fprs.
10088         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
10089         depending on TARGET_E500_DOUBLE.
10090         (floatsitf2): Enable for E500 double.
10091         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
10092         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
10093         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
10094         (negtf2): Change to negtf2_internal.
10095         (negtf2): New expander.
10096         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
10097         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
10098         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
10099         (movdi_internal32): Use rs6000_nonimmediate_operand.
10100         (unnamed splitter): Likewise.
10101         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
10102         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
10103         (SPE64TF, DITI): New mode macros.
10104         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
10105         modes.
10106         (frob_tf_ti): New.
10107         (frob_<mode>_di_2): New.
10108         (frob_tf_di_8_2): New.
10109         (frob_di_df): Change to frob_di_<mode>; allow more modes.
10110         (frob_ti_tf): New.
10111         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
10112         more modes.
10113         (frob_ti_<mode>_8_2): New.
10114         (frob_ti_tf_2): New.
10115         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
10116         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
10117         TFmode.
10118         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
10119         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
10120         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
10121         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
10122         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
10123         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
10124         tsttflt_gp): New.
10125
10126 2007-01-23  Ian Lance Taylor  <iant@google.com>
10127
10128         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
10129         insn-*.o first.
10130         (OBJS-archive): Reformat, alphabetize.
10131         (OBJS): Change out_object_file to OBJS-md.
10132
10133 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
10134
10135         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
10136         JUMP_P and CALL_P predicates where applicable.
10137         * config/i386/i386.c: Ditto.
10138         * config/i386/i386.md: Ditto.
10139         * config/i386/mmx.md: Ditto.
10140         * config/i386/predicates.md: Ditto.
10141
10142 2007-01-22  Andreas Schwab  <schwab@suse.de>
10143
10144         * config/m68k/m68k.h: Fix comment.
10145
10146 2007-01-22  Jan Hubicka  <jh@suse.cz>
10147
10148         * passes.c (init_optimization_passes): Do not rerun
10149         pass_early_warn_uninitialized.
10150
10151 2007-01-22  Richard Guenther  <rguenther@suse.de>
10152
10153         PR tree-optimization/30038
10154         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
10155         function.
10156         (execute_cse_sincos_1): Likewise.
10157         (execute_cse_sincos): Likewise.
10158         (gate_cse_sincos): Likewise.
10159         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
10160         the cexpi() canonicalization of sincos().
10161         * tree-pass.h (pass_cse_sincos): Declare.
10162         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
10163
10164 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
10165
10166         PR rtl-optimization/29329
10167         * combine.c (replaced_rhs_insn): Rename to i2mod.
10168         (replaced_rhs_value): Rename to i2mod_new_rhs.
10169         (i2mod_old_rhs): New global variable.
10170         (combine_instructions): Adjust for above change.  Save a copy of
10171         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
10172         note are substituted in the second instruction.
10173         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
10174         ditch the note if it pertains to the second eliminated register
10175         and this register is mentioned in i2mod_old_rhs.
10176
10177         Revert:
10178         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
10179
10180         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
10181         the insn to which the note was originally attached.
10182
10183 2007-01-21  Jan Hubicka  <jh@suse.cz>
10184
10185         * ipa-inline.c (inlining_mode): Comment, move up.
10186         (cgraph_decide_inlining_incrementally): Do not perform inlining
10187         itself; fix handling of flattening of self recursive functions.
10188         (cgraph_find_cycles): Remove.
10189         (cgraph_flatten_node): Remove.
10190         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
10191         (try_inline): New function.
10192         (cgraph_early_inlining): Update call of
10193         cgraph_decide_inlining_incrementally.  Apply inlining here.
10194         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
10195
10196 2007-01-21  Dirk Mueller  <dmueller@suse.de>
10197
10198         PR bootstrap/30511
10199         * tree-vrp.c (check_array_bounds): do not warn
10200         about ADDR_EXPR's of ARRAY_REF's which are immediately
10201         used in binary expressions.
10202
10203 2007-01-21  Ira Rosen  <irar@il.ibm.com>
10204
10205         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
10206         read_write_dep and macros for its access.
10207         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
10208         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
10209         argument, call vect_check_interleaving for every independent pair of
10210         data-refs. Mark loads that access the same memory location as a store
10211         in the loop.
10212         (vect_check_dependences): Remove.
10213         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
10214         call, fix the call to vect_analyze_data_ref_dependence.
10215         (vect_analyze_data_ref_access): For statements that access the same
10216         data-ref, check that they are not stores; for loads, check that there
10217         is no store that access the same location.
10218
10219 2007-01-20  Roger Sayle  <roger@eyesopen.com>
10220             Joseph Myers  <joseph@codesourcery.com>
10221
10222         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
10223         (-fdump-rtl-stack): Likewise.
10224         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
10225         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
10226         (-mpt-fixed): Use @minus{} for minus sign.
10227         (Using Precompiled Headers): Fix under/overfull hbox.
10228
10229 2007-01-20  Jan Hubicka  <jh@suse.cz>
10230
10231         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
10232         place within annotation.
10233
10234 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10235
10236         * pa.c (output_move_double): Change array size of xoperands to 4.
10237
10238 2007-01-20  Jan Hubicka  <jh@suse.cz>
10239
10240         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
10241         as temporary.
10242
10243 2007-01-19  Ian Lance Taylor  <iant@google.com>
10244
10245         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
10246         constant to unsigned HOST_WIDE_INT before negating.
10247
10248 2007-01-19  Ian Lance Taylor  <iant@google.com>
10249
10250         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
10251         to unsigned.
10252         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
10253         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
10254         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
10255         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
10256         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
10257         (realloc_vdef, realloc_vuse): Change second parameter to
10258         unsigned.
10259         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
10260         fields to unsigned.
10261         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
10262         unsigned. Change x and lim locals to unsigned.
10263         (realloc_vdef, realloc_vuse): Change num_elem parameter to
10264         unsigned.
10265         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
10266         (copy_virtual_operands): Change i and n locals to unsigned.
10267
10268 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10269
10270         PR middle-end/29335
10271         * builtins.c (fold_builtin_1): Handle builtin fdim.
10272
10273 2007-01-20  Jan Hubicka  <jh@suse.cz>
10274
10275         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
10276         * tree-ssa-structalias.c (compute_points_to_sets): Do call
10277         init_alias_heapvars.
10278         (init_alias_heapvars): Initialize only when not already initialized.
10279         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
10280
10281 2007-01-19  Roger Sayle  <roger@eyesopen.com>
10282
10283         * common.opt (fsigned-zeros): New command line option.
10284         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
10285         of flag_unsafe_math_optimizations.
10286         * opts.c (set_fast_math_flags): The -ffast-math command line option
10287         implies -fno-signed-zeros.
10288         (fast_math_flags_set_p): Likewise.
10289
10290         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
10291         the documentation of -ffast-math appropriately.  Wrap long lines.
10292
10293 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
10294
10295         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
10296         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
10297
10298 2007-01-19  Tomas Bily  <tbily@suse.cz>
10299
10300         * cgraphunit.c (cgraph_finalize_function): Updating of pid
10301         * tree-profile.c:
10302         (tree_init_ic_make_global_vars): New function
10303         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
10304         (tree_gen_ic_profiler): New function
10305         (tree_gen_ic_func_profiler): New function
10306         (tree_profiling): Added calling of tree_gen_ic_func_profiler
10307         (tree_profile_hooks): Added hook for indirec/virtual calls
10308         * value-prof.c (tree_find_values_to_profile): New case for
10309         indirect calls
10310         (tree_values_to_profile): Call for determining indirect/virtual
10311         counters
10312         (tree_indirect_call_to_profile): New function
10313         (tree_ic_transform): New function
10314         (tree_ic): New function
10315         (find_func_by_pid): New function
10316         (init_pid_map): New function
10317         (tree_value_profile_transformations): Added check for
10318         indirect/virtual call transformation
10319         * value-prof.h (enum hist_type): New counter type for
10320         indirect/virtual calls
10321         (profile_hooks): Added new hook for profiling indirect/virtual
10322         calls
10323         * profile.c (instrument_values): New case for indirect/virtual
10324         call added
10325         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
10326         (GCOV_COUNTER_V_INDIR): New counter type
10327         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
10328         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
10329         call added
10330         * cgraph.c: Definition of cgraph_max_pid
10331         (cgraph_create_node): Default init of pid attribute
10332         * cgraph.h: Declaration of cgraph_max_pid
10333         (struct cgraph_node): Added pid attribute
10334         * libgcov.c (__gcov_indirect_call_profiler): New function
10335         (__gcov_one_value_profiler_body): New function
10336         (__gcov_one_value_profiler): Body was moved to
10337         __gcov_one_value_profiler_body and calls it
10338
10339 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
10340
10341         * doc/gty.texi (Options): Document the mark_hook option to GTY.
10342         * gengtype.c (write_types_data, write_func_for_structure,
10343         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
10344         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
10345         (walk_type, write_func_for_structure): Generate the mark_hook if
10346         needed.
10347
10348 2007-01-19  Jan Hubicka  <jh@suse.cz>
10349
10350         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
10351         'early' argument take inlining mode argument specifying whether to
10352         inline for size/speeed or all functions; add support for flattening;
10353         improve dumpting.
10354         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
10355
10356 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10357
10358         PR c++/17947
10359         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
10360         the name of the declared identifier.
10361
10362 2007-01-19  Dirk Mueller  <dmueller@suse.de>
10363
10364         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
10365         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
10366         duplicate evaluation.
10367
10368 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
10369
10370         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
10371         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
10372         to XFMode, use acosxf2 and truncate result to requested mode.
10373         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
10374         (asin<mode>2): Similarly, with asin expanders.
10375         (*fscalexf4_i387): Rename from *fscalexf4.
10376         (expNcorexf3): New expander.
10377         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
10378         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
10379         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
10380         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
10381         patterns for SSE math.
10382         (exp10<mode>2): Similarly, with exp10 expanders.
10383         (exp2<mode>2): Similarly, with exp2 expanders.
10384         (expm1<mode>2): Similarly, with expm1 expanders.
10385         (ldexp<mode>3): Similarly, with ldexp expanders.
10386         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
10387         Use gen_truncxf<mode>2_i387_noop to truncate result.
10388
10389 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10390
10391         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
10392         for ColdFire targets.
10393
10394 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
10395             Richard Sandiford  <richard@codesourcery.com>
10396
10397         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
10398         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
10399         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
10400         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
10401         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
10402         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
10403
10404 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10405
10406         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
10407         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
10408         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
10409         (*adddi_dilshr32_cf): New pattern.
10410         (adddi3, subdi3): Remove first alternatives.
10411
10412 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10413
10414         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
10415         implemented using move.l, do not use its cc result for floating-point
10416         comparisons.
10417
10418 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10419
10420         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
10421         from accepting 's' constraints if flag_pic.
10422
10423 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10424
10425         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
10426         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
10427         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
10428         condition from TARGET_68881 to TARGET_HARD_FLOAT.
10429
10430 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
10431
10432         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
10433         ColdFire alternatives.
10434         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
10435         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
10436         architectures that support ff1 instruction.
10437
10438 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10439             Julian Brown  <julian@codesourcery.com>
10440
10441         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
10442         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
10443         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
10444         Add commentary.
10445
10446 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10447
10448         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
10449         and return a bool.
10450         (output_move_const_into_data_reg, output_move_simode_const): Delete.
10451         * config/m68k/m68k.c (const_method, const_int_cost): Take a
10452         HOST_WIDE_INT instead of an rtx.
10453         (m68k_rtx_costs): Update call accordingly.
10454         (output_move_const_into_data_reg): Likewise.  Fix formatting.
10455         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
10456         Return a bool.
10457         (output_move_simode_const): Update calls after above changes.
10458         Rework to use automatic variables and predicates like MEM_P.
10459         * config/m68k/m68k.md (pushexthisi_const): Update call to
10460         valid_mov3q_const.
10461
10462 2007-01-19  Dirk Mueller  <dmueller@suse.de>
10463
10464         * tree-ssa-alias.c (perform_var_substitution): Fix typo
10465         in dump_flags test.
10466
10467 2007-01-19  Richard Guenther  <rguenther@suse.de>
10468
10469         * builtins.c (expand_builtin_cexpi): Fall back to expanding
10470         via cexp in case sincos is not available.
10471
10472 2007-01-19  Richard Guenther  <rguenther@suse.de>
10473
10474         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
10475         * defaults.h (TARGET_HAS_SINCOS): Default to off.
10476         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
10477         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
10478         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
10479         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
10480         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
10481         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
10482
10483 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
10484
10485         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
10486         New insn patterns.
10487         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
10488         (atan2xf3): Directly generate RTL pattern.
10489         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
10490         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
10491         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10492         disable patterns for SSE math.
10493         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
10494         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
10495         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10496         disable patterns for SSE math.
10497
10498 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
10499
10500         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
10501
10502 2007-01-18  Roger Sayle  <roger@eyesopen.com>
10503
10504         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
10505         VIEW_CONVERT_EXPR to the same type as it's operand.
10506
10507 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
10508
10509         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
10510         configured for long double 128.
10511
10512 2007-01-18  Mike Stump  <mrs@apple.com>
10513
10514         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
10515         error.
10516
10517 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
10518
10519         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
10520         type correct.
10521
10522 2007-01-18  Jan Hubicka  <jh@suse.cz>
10523
10524         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
10525         greater than NUM_VOP_FREE_BUCKETS.
10526
10527 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
10528
10529         * tree-ssa-structalias.c: Update comments.
10530         (ptabitmap_obstack): Removed.
10531         (pta_obstack): New.
10532         (oldpta_obstack): Ditto.
10533         (stats): Add a few members.
10534         (struct variable_info): Remove node, complex, address_taken, and
10535         indirect_target members. Add oldsolution member.
10536         (new_var_info): Do not initialize removed members.
10537         (constraint_expr_type): Remove INCLUDES.
10538         (constraint_graph): Add size, implicit_preds, rep,
10539         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
10540         (FIRST_REF_NODE): New macro.
10541         (LAST_REF_NODE): Ditto.
10542         (FIRST_ADDR_NODE): Ditto.
10543         (find): New function.
10544         (unite): Ditto.
10545         (dump_constraint): Do not handle INCLUDES.
10546         (insert_into_complex): Do not insert duplicate constraints.
10547         (condense_varmap_nodes): Renamed and rewritten into ...
10548         (merge_node_constraints): This. Also fix bug in handling of
10549         offseted copy constraints.
10550         (clear_edges_for_node): No longer need to deal with preds at all,
10551         or removing associated preds/succs.
10552         (merge_graph_nodes): Deal with indirect_cycles.
10553         Don't deal with predecessors.
10554         (add_implicit_graph_edge): New function.
10555         (add_pred_graph_edge): Ditto.
10556         (add_graph_edge): Don't deal with predecessors.
10557         (build_constraint_graph): Removed.
10558         (build_pred_graph): New function.
10559         (build_succ_graph): Ditto.
10560         (struct scc_info): Removed in_component. Added roots, dfs, and
10561         node_mapping. Remove visited_index, unification_queue.
10562         (scc_visit): Deal with union-find we do now.
10563         Deal with cycles with REF nodes.
10564         (collapse_nodes): Renamed and rewritten to ...
10565         (unify_nodes): This.
10566         (process_unification_queue): Removed.
10567         (topo_visit): Cleanup
10568         (do_da_constraint): Use find.
10569         (do_sd_constraint): Ditto.
10570         (do_ds_constraint): Ditto.
10571         (do_complex_constraint): Ditto.
10572         (init_scc_info): Update for removed and added members.
10573         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
10574         (find_indirect_cycles): This.
10575         (equivalence_class): New variable.
10576         (label_visit): New function.
10577         (perform_variable_substitution): Rewritten.
10578         (free_var_substitution_info): New function.
10579         (find_equivalent_node): Ditto.
10580         (move_complex_constraints): Ditto.
10581         (eliminate_indirect_cycles): Ditto.
10582         (solve_graph): Only propagate changed bits.
10583         Use indirect cycle elimination.
10584         Use find.
10585         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
10586         (tree_id_eq): Renamed to ...
10587         (tree_vi_eq): This. Update for member change
10588         (insert_id_for_tree): Renamed and rewritten to ...
10589         (insert_vi_for_tree): This.
10590         (lookup_id_for_tree): Renamed and rewritten to ...
10591         (lookup_vi_for_tree): This.
10592         (get_id_for_tree): Renamed and rewritten to ...
10593         (get_vi_for_tree): Ditto.
10594         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
10595         (process_constraint): Don't handle INCLUDES.
10596         Remove special ADDRESSOF case.
10597         (find_func_aliases): Rewrite to use vi functions instead of id
10598         ones.
10599         (create_function_info_for): Ditto.
10600         (create_variable_info_for): Ditto.
10601         (intra_create_variable_infos): Ditto.
10602         (merge_smts_into): Ditto.
10603         (find_what_p_points_to): Ditto.
10604         (init_base_vars): Ditto.
10605         (init_alias_vars): Ditto.
10606         (remove_preds_and_fake_succs): New function.
10607         (dump_sa_points_to_info): Dump new stats.
10608         (dump_solution_for_var): Use find.
10609         (set_used_smts): Fix formatting.
10610         (compute_points_to_sets): Updated for new functions.
10611         (ipa_pta_execute): Ditto.
10612
10613 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10614             Richard Sandiford  <richard@codesourcery.com>
10615
10616         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
10617         parallels.
10618         * calls.c (expand_call): If the return value is a PARALLEL,
10619         extract its first member.
10620         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
10621         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
10622         use FUNCTION_EXTRA_EPILOGUE.
10623         (m68k_function_value): Return a PARALLEL if the return value
10624         is of a pointer type.
10625         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
10626         (FUNCTION_EXTRA_EPILOGUE): Remove.
10627         * config/m68k/m68k.md (D0_REG): New constant.
10628
10629 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10630
10631         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
10632         output a NOP for empty epilogues.
10633
10634 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10635
10636         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
10637         before function.  Extend register save check to include all
10638         registers, not just integer ones.
10639
10640 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10641
10642         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
10643         (m68k_use_return_insn): ...this.
10644         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
10645         * config/m68k/m68k.c (use_return_insn): Rename to...
10646         (m68k_use_return_insn): ...this.
10647         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
10648         of USE_RETURN_INSN.
10649
10650 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10651
10652         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
10653         nearest even, fix denormal rounding overflow.
10654
10655 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10656
10657         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
10658         f%$smove and f%$move.
10659         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
10660         (extendsfdf2_cf): Use fdmove instead of f%&move.
10661         (truncdfsf2_cf): Use fsmove instead of f%$smove.
10662         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
10663
10664 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10665
10666         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
10667         GPR<-GPR moves.
10668
10669 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10670
10671         * real.h (real_format): Add a canonical_nan_lsbs_set field.
10672         (coldfire_single_format): Declare.
10673         (coldfire_double_format): Likewise.
10674         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
10675         of qnan_msb_set to determine the lower bits of a canonical
10676         NaN significand.
10677         (encode_ieee_double): Likewise.
10678         (encode_ieee_quad): Likewise.
10679         (ieee_single_format): Initialize canonical_nan_lsbs_set.
10680         (mips_single_format): Likewise.
10681         (ieee_double_format): Likewise.
10682         (mips_double_format): Likewise.
10683         (ieee_extended_motorola_format): Likewise.
10684         (ieee_extended_intel_96_format): Likewise.
10685         (ieee_extended_intel_128_format): Likewise.
10686         (ieee_extended_intel_96_round_53_format): Likewise.
10687         (ibm_extended_format): Likewise.
10688         (mips_extended_format): Likewise.
10689         (ieee_quad_format): Likewise.
10690         (mips_quad_format): Likewise.
10691         (vax_f_format): Likewise.
10692         (vax_d_format): Likewise.
10693         (vax_g_format): Likewise.
10694         (i370_single_format): Likewise.
10695         (i370_double_format): Likewise.
10696         (decimal_single_format): Likewise.
10697         (decimal_double_format): Likewise.
10698         (decimal_quad_format): Likewise.
10699         (c4x_single_format): Likewise.
10700         (c4x_extended_format): Likewise.
10701         (real_internal_format): Likewise.
10702         (coldfire_single_format): New real_format.
10703         (coldfire_double_format): Likewise.
10704         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
10705         canonical_nan_lsbs_set.
10706         (pdp11_d_format): Likewise.
10707         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
10708         if TARGET_COLDFIRE_CPU.
10709
10710 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10711
10712         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
10713         (output_call, m68k_legitimize_call_address): Declare.
10714         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
10715         parenthesees.  Add support for a 'W' constraint.
10716         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
10717         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
10718         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
10719         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
10720         variables.
10721         (override_options): Initialize them.  Do not set flag_no_function_cse
10722         for TARGET_ID_SHARED_LIBRARY.
10723         (m68k_output_pic_call): Delete.
10724         (m68k_legitimize_call_address): New function.
10725         (print_operand): Remove the %o prefix.  Handle the %p prefix.
10726         (output_call): New function.
10727         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
10728         target address from the GOT if symbolic jumps are not allowed.
10729         * config/m68k/m68k.md (call, general_operand): Do not set
10730         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
10731         Merge separate flag_pic and !flag_pic define_insns into...
10732         (*call, *call_value): ...these new patterns.  Match the address
10733         rather than the containing MEM and require it to be a call_operand.
10734         Use output_call to generate the asm template.
10735         * config/m68k/predicates.md (const_call_operand): New predicate.
10736         (call_operand): Likewise.
10737
10738 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10739
10740         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
10741         (STACK_GROWS_DOWNWARD): Define to 1.
10742         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
10743         comments, emphasizing that these values are only defaults.
10744         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
10745         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
10746
10747 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10748
10749         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
10750
10751 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10752             Richard Sandiford  <richard@codesourcery.com>
10753
10754         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
10755         (FP_REGNO_P): New macros.
10756         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
10757         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
10758         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
10759         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
10760
10761 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10762
10763         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10764         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
10765         to $tmake_file.
10766         * config/m68k/t-floatlib: New file, extracting common code from...
10767         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
10768         * config/m68k/t-uclinux: Here.
10769         * config/m68k/fpgnulib.c: Do not compile extendeed precision
10770         routines on ColdFire targets.
10771
10772 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10773
10774         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10775         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
10776         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
10777         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
10778         explicitly set MOTOROLA to 1.
10779         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
10780
10781 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10782             Nathan Sidwell  <nathan@codesourcery.com>
10783
10784         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
10785         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
10786         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
10787         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
10788         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
10789         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
10790         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
10791         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
10792         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
10793         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
10794         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
10795         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
10796         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
10797         (DBX_REGISTER_NUMBER): Delete.
10798         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
10799         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
10800         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
10801
10802 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10803
10804         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
10805         * config/flat.h: New file.
10806         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
10807         OBJECT_FORMAT_FLAT.
10808         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
10809         indirect references for -msep-data or -mid-shared-library.
10810         Do not use PC-relative code addresses either.
10811         * config/m68k/m68k.c (override_options): Restrict -fPIC error
10812         to -mpcrel.
10813         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
10814         for shared libraries and crt1.o for executables.  Use crti.o and
10815         crtbegin.o.
10816         (ENDFILE_SPEC): Use crtend.o and crtn.o.
10817         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
10818         Do not add -elf2flt or -shared-lib-id options here.
10819         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
10820         Pass -shared-lib-id if -mid-shared-library, taking the library
10821         identifier from -mshared-library-id if given, otherwise
10822         defaulting to 0.
10823         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
10824         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
10825         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
10826         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
10827         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
10828         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
10829         and crtend.o.
10830         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
10831         jump sequence for ISA A and ISA A+.
10832         (PICJUMP): Likewise.
10833
10834 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10835
10836         * config.gcc (m68k-*-uclinux*): Base the port on the common
10837         and m68k GNU/Linux files rather than on the generic ELF ones.
10838         * config/m68k/uclinux.h (TARGET_VERSION): Override.
10839         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
10840
10841 2007-01-18  Julian Brown  <julian@codesourcery.com>
10842             Richard Sandiford  <richard@codesourcery.com>
10843
10844         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
10845         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
10846         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
10847         before redefining.
10848         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
10849         80 unconditionally.
10850         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
10851
10852 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10853
10854         * doc/install.texi: Document m68k-uclinuxoldabi.
10855         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
10856         * config/m68k/uclinux-oldabi.h: New file, copied from
10857         config/m68k/uclinux.h.
10858
10859 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
10860
10861         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
10862         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
10863         (m32r_compute_frame_size): Use unsigned for regno.
10864         (m32r_reload_lr): Use gen_frame_mem.
10865         (pop): New.
10866         (m32r_output_function_epilogue): Don't output the function epilogue
10867         textually here.
10868         (m32r_expand_epilogue): New.
10869         (direct_return): Return false if the function has the interrupt
10870         attribute.
10871         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
10872         * config/m32r/m32r.md (epilogue): New expander.
10873         (return_lr, return_rte): New insns.
10874         (return): Make it expander.
10875         (return_normal): New expander.
10876
10877 2007-01-18  Josh Conner  <jconner@apple.com>
10878
10879         PR target/30485
10880         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
10881         support for UNLE, UNLT, UNGE, and UNGT.
10882
10883 2007-01-18  Jan Hubicka  <jh@suse.cz>
10884
10885         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
10886         * tree-tailcall (add_virtual_phis): Likewise.
10887         (optimize_tail_call): Return TODOs.
10888         (execute_tail_calls): Return TODOs.
10889         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
10890         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
10891         changed.
10892         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
10893         Cleanup cfg using TODO.
10894         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
10895         * passes.c (execute_function_todo): When cleanup did something, remove
10896         unused locals.
10897         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
10898         (make_edges): Don't cleanup_cfg.
10899
10900 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
10901
10902         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
10903         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
10904         operate on the top of stack.
10905         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
10906         register handling of instructions that output to the second
10907         stack slot.
10908         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
10909         (move_for_stack_reg): Special-case check for dead destination
10910         stack slot for constant load of 1.0 inside UNSPEC_TAN.
10911
10912         * config/i386/i386.md (UNSPEC_TAN): New constant.
10913         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
10914         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
10915         to correctly model move of constant 1.0 to top stack slot.
10916         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
10917         (unnamed peephole2 pattern): Remove corresponding peephole2
10918         pattern that optimizes tan insn and loading of constant 1.0.
10919         (tanxf2): Use fptanxf4_i387.
10920         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
10921         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
10922         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10923         disable patterns for SSE math.
10924         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
10925         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
10926
10927 2007-01-18  Dirk Mueller  <dmueller@suse.de>
10928             Richard Guenther <rguenther@suse.de>
10929
10930         PR diagnostic/8268
10931         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
10932         * common.opt (Warray-bounds): Add new warning option.
10933         * c-opts.c (c_common_handle_option): Define -Warray-bounds
10934         if -Wall is given.
10935         * Makefile.in: make tree-vrp.o depend on toplev.h
10936         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
10937         is enabled.
10938         (check_array_refs, check_array_bounds, check_array_ref): New.
10939
10940 2007-01-18  Jan Hubicka  <jh@suse.cz>
10941
10942         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
10943         (execute_ssa_ccp): Return flags conditionally.
10944         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
10945         changed.
10946         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
10947
10948 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
10949
10950         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
10951         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
10952
10953         * Makefile.c (GTFILES): Add cfglayout.h.
10954         * gengtype.c (open_base_files): Likewise.
10955         * cfglayout.c (cfg_layout_function_footer,
10956         cfg_layout_function_header) Reindent to make gengtype happy.
10957         * cfglayout.h (cfg_layout_function_footer,
10958         cfg_layout_function_header): Add GTY(()) marker.
10959
10960         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
10961
10962 2007-01-18  Ben Elliston  <bje@au.ibm.com>
10963
10964         * genautomata.c (write_automata): Include xstrerror output in the
10965         error message if writing the DFA description file fails.
10966
10967 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
10968
10969         * config/mips/mips-protos.h (mips_output_external): Make it
10970         return void.
10971         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
10972         * config/mips/mips.c (irix_output_external_libcall): Likewise.
10973         (extern_list): Likewise.
10974         (extern_head): Likewise.
10975         (TARGET_ASM_FILE_END): Likewise.
10976         (mips_file_end): Likewise.
10977         (mips_output_external): Rewritten.
10978
10979 2007-01-18  Ben Elliston  <bje@au.ibm.com>
10980
10981         * genpreds.c (write_insn_preds_c): Only write out the function
10982         body for regclass_for_constraint if we have register constraints.
10983
10984 2007-01-17  Tom Tromey  <tromey@redhat.com>
10985
10986         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
10987         * doc/install.texi (Testing): Use sourceware.org.
10988         (Binaries): Likewise.
10989         (Specific): Likewise.
10990         * doc/contrib.texi (Contributors): Use sourceware.org.
10991
10992 2007-01-17  Anatoly Sokolov <aesok@post.ru>
10993
10994         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
10995         (AVR_ENHANCED): Rename to ...
10996         (AVR_HAVE_MUL): ... new.
10997         (avr_enhanced_p): Rename to ...
10998         (avr_have_mul_p): ... new.
10999         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
11000         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
11001         * config/avr/avr.c (avr_enhanced_p): Rename to ...
11002         (avr_have_mul_p): ... new.
11003         (base_arch_s): Rename 'enhanced' to 'have_mul'.
11004         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
11005         'avr_enhanced_p' and 'enhanced'.
11006         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
11007         AVR_HAVE_MUL instead of AVR_ENHANCED.
11008         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
11009         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
11010         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
11011         instead of AVR_ENHANCED.
11012         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
11013         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
11014         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
11015
11016 2007-01-17  Ian Lance Taylor  <iant@google.com>
11017
11018         * vec.h (VEC_reserve_exact): Define.
11019         (vec_gc_p_reserve_exact): Declare.
11020         (vec_gc_o_reserve_exact): Declare.
11021         (vec_heap_p_reserve_exact): Declare.
11022         (vec_heap_o_reserve_exact): Declare.
11023         (VEC_OP (T,A,reserve_exact)): New static inline function, three
11024         versions.
11025         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
11026         negative parameter.
11027         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
11028         (VEC_OP (T,A,copy)) [all versions]: Likewise.
11029         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
11030         * vec.c (calculate_allocation): Add exact parameter.  Change all
11031         callers.
11032         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
11033         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
11034         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
11035         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
11036         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
11037         (vec_heap_p_reserve_exact): New function.
11038         (vec_heap_o_reserve_exact): New function.
11039
11040 2007-01-17  Jan Hubicka  <jh@suse.cz>
11041
11042         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
11043
11044 2007-01-17  Eric Christopher  <echristo@apple.com>
11045
11046         * config.gcc: Support core2 processor.
11047
11048 2007-01-16  Jan Hubicka  <jh@suse.cz>
11049
11050         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
11051         the names, just unlink the chain so we don't crash on dangling pointers
11052         to dead SSA names.
11053
11054 2007-01-16  Jan Hubicka  <jh@suse.cz>
11055
11056         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
11057         * tree-pass.h: Reorder to make IPA passes appear toegher.
11058         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
11059         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
11060         parameters, do not call early inliner.
11061         * ipa-inline.c: Update comments.  Include tree-flow.h
11062         (cgraph_decide_inlining): Do not compute inlining parameters.
11063         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
11064         be called with function context set up.
11065         (pass_ipa_inline): Remove unreachable functions before pass.
11066         (cgraph_early_inlining): Simplify assuming to be called from the
11067         PM as local pass.
11068         (pass_early_inline): New pass.
11069         (cgraph_gate_ipa_early_inlining): New gate.
11070         (pass_ipa_early_inline): Turn into simple wrapper.
11071         (compute_inline_parameters): New function.
11072         (gate_inline_passes): New gate.
11073         (pass_inline_parameters): New pass.
11074         (apply_inline): Move here from tree-optimize.c
11075         (pass_apply_inline): New pass.
11076         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
11077         transforming.
11078         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
11079         doing them by hand.
11080         (tree_function_versioning): Do not allocate dummy struct function.
11081         * tree-inline.h (optimize_inline_calls): Update prototype.
11082         * tree-optimize.c (execute_fixup_cfg): Export.
11083         (pass_fixup_cfg): Remove
11084         (tree_rest_of_compilation): Do not apply inlines.
11085         * tree-flow.h (execute_fixup_cfg): Declare.
11086         * Makefile.in (gt-passes.c): New.
11087         * passes.c: Include gt-passes.h
11088         (init_optimization_passes): New passes.
11089         (nnodes, order): New static vars.
11090         (do_per_function_toporder): New function.
11091         (execute_one_pass): Dump current pass here.
11092         (execute_ipa_pass_list): Don't dump current pass here.
11093
11094 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
11095
11096         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
11097         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
11098
11099 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
11100
11101         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
11102         (strong_alias): Define.
11103         (__gcc_qmul): Provide non-FMA for soft-float.
11104         (__gcc_qdiv): Same.
11105         (__gcc_qneg): New.
11106         (__gcc_qeq): New.
11107         (__gcc_qle): New.
11108         (__gcc_qge): New.
11109         (__gcc_qunord): New.
11110         (__gcc_stoq): New.
11111         (__gcc_dtoq): New.
11112         (__gcc_qtos): New.
11113         (__gcc_qtod): New.
11114         (__gcc_qtoi): New.
11115         (__gcc_qtou): New.
11116         (__gcc_itoq): New.
11117         (__gcc_utoq): New.
11118         (fmsub): New.
11119         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
11120         soft-float functions.
11121         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
11122         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
11123         about long double soft float.
11124
11125 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
11126             Tehila Meyzels  <tehila@il.ibm.com>
11127
11128         * tree-vectorizer.h (is_pattern_stmt_p): New.
11129         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
11130         formatting (tabs instead of spaces). Cleanup and clarify setting
11131         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
11132         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
11133         (vectorizable_type_demotion): Check that types are integral.
11134         (vectorizable_type_promotion): Likewise.
11135         (vectorizable_store): Fix typo.  Eliminate new-line at end of
11136         comments.
11137
11138 2007-01-16  Jan Hubicka  <jh@suse.cz>
11139
11140         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
11141         cgraph edges too.
11142
11143 2007-01-15  Eric Christopher  <echristo@apple.com>
11144
11145         * ifcvt.c: Include vec.h, vecprim.h.
11146         (check_cond_move_block): New argument regs.
11147         Reorganize. Add registers used to regs.
11148         (cond_move_process_if_block): Use regs set above as
11149         loop bounds.
11150
11151 2007-01-15  Eric Christopher  <echristo@apple.com>
11152
11153         * config/darwin.h: Update copyright.
11154         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
11155         (LINK_COMMAND_SPEC): Add -u.
11156         (LINK_SPEC): Fix umbrella for above.
11157
11158 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
11159
11160         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
11161         glibc CVS.
11162
11163 2007-01-15  Tom Tromey  <tromey@redhat.com>
11164
11165         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
11166         * doc/install.texi (Testing): Don't mention jacks.
11167         (Configuration): Document --enable-java-maintainer-mode.  Move
11168         --with-java-home to libgcj-specific section.  Document
11169         --with-ecj-jar.
11170         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
11171
11172 2007-01-15  Jan Hubicka  <jh@suse.cz>
11173
11174         * tree-ssa-dce.c (DCE_TODOs): New.
11175         (propagate_necessity): Return if something changed.
11176         (eliminate_unnecessary_stmts): Likewise.
11177         (perform_tree_ssa_dce): Return TODO flags when needed.
11178         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
11179
11180 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
11181
11182         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
11183         (fyl2x_extend<mode>xf3_i387): New insn pattern.
11184         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
11185         patterns using X87MODEF12 mode macro.  Extend operand 1
11186         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
11187         (log10<mode>2): Ditto.
11188         (log2<mode>2): Ditto.
11189         (log1p<mode>2): Ditto.
11190         (logb<mode>2): Ditto.
11191         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
11192         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
11193         (*fxtractxf3_i387): Rename from *fxtractxf3.
11194         (fxtract_extend<mode>xf3_i387): New insn pattern.
11195         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
11196         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
11197         and gen_fyl2xxf3_i387().
11198
11199 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
11200
11201         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
11202         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
11203         get_loop_exit_edges.  Changed return type to bool.
11204         * cfgloop.h (fix_loop_placement): Declaration removed.
11205
11206 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
11207
11208         * param.h (MIN_VECT_LOOP_BOUND): New.
11209         * params.def (MIN_VECT_LOOP_BOUND): New.
11210         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
11211         argument - minimum threshold for number of iterations.
11212         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
11213         argument to declaration.
11214         * tree-vect-analyze.c (vect_analyze_operations): Check value of
11215         MIN_VECT_LOOP_BOUND.
11216         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
11217         slpeel_tree_peel_loop_to_edge with additional argument.
11218         (vect_do_peeling_for_alignment): Likewise.
11219         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
11220
11221 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
11222
11223         PR target/30413
11224         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
11225         operands of size 1.
11226
11227 2007-01-14  Jan Hubicka  <jh@suse.cz>
11228
11229         * tree-dfa.c (remove_referenced_var): New function.
11230         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
11231         prune referenced vars list too.
11232         * tree-flow.h (remove_referenced_var): Declare.
11233
11234 2007-01-14  Jan Hubicka  <jh@suse.cz>
11235
11236         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
11237         separately.
11238         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
11239         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
11240         * except.h (verify_eh_throw_table_statements): Kill prototype.
11241         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
11242         into call exrepssions.
11243         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
11244         eh trhow verifier.
11245         * tree-cfg.c: Include pointer-set.h.
11246         (verify_node_sharing): Work on pointer set.
11247         (verify_eh_throw_stmt_node): New.
11248         (verify_stmts): Use pointers sets, verify throw_stmt.
11249
11250 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
11251
11252         * ipa-reference.c (analyze_function): Consider also addresses taken
11253         in phi nodes.
11254
11255 2007-01-12  Roger Sayle  <roger@eyesopen.com>
11256
11257         * c-typeck.c (null_pointer_constant_p): Replace use of
11258         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11259         (build_c_cast): Likewise.
11260
11261 2007-01-12  Roger Sayle  <roger@eyesopen.com>
11262
11263         * tree.h (force_fit_type_double): Remove unused final argument.
11264         * c-common.c (constant_expression_warning): Replace use of
11265         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11266         (convert_and_check): Likewise.
11267         (shorten_compare): Update call to force_fit_type_double.
11268         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
11269         * convert.c (convert_to_pointer): Update call to
11270         force_fit_type_double.
11271         * fold-const.c (force_fit_type_double): Remove overflowed_const
11272         argument.
11273         (int_const_binop, fold_convert_const_int_from_int,
11274         fold_convert_const_int_from_real, fold_div_compare,
11275         fold_sign_changed_comparison, fold_unary, fold_negate_const,
11276         fold_abs_const, fold_not_const): Remove the final argument from
11277         calls to force_fit_type_double.
11278
11279 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11280
11281         * configure.ac: Set insn to "nop" for spu-*-* also.
11282         * configure: Regenerate.
11283
11284 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
11285
11286         * builtins.def : Add BUILT_IN_FREE.
11287
11288 2007-01-12  Jan Hubicka  <jh@suse.cz>
11289
11290         PR tree-optimization/30443
11291         * tree-inline.c (tree_function_versioning): Do not optimize when
11292         cloning for inlining.
11293
11294 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
11295
11296         * doc/loop.texi: Document recording of loop exits.
11297         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
11298         (update_single_exits_after_duplication,
11299         update_single_exit_for_duplicated_loop,
11300         update_single_exit_for_duplicated_loops): Removed.
11301         (duplicate_loop_to_header_edge): Do not call
11302         update_single_exits_after_duplication and
11303         update_single_exit_for_duplicated_loops.
11304         (loop_version): Do not update single_exit information.
11305         (fix_loop_structure): Use record_loop_exits instead of
11306         mark_single_exit_loops.
11307         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
11308         the lists of loop exits.
11309         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
11310         split_edge, merge_blocks): Update the lists of loop exits.
11311         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
11312         loop_optimizer_init.
11313         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
11314         of mark_single_exit_loops.
11315         (loop_optimizer_finalize): Call release_recorded_exits.
11316         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
11317         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
11318         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
11319         update single exit information.
11320         * lambda-code.c (perfect_nestify): Ditto.
11321         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
11322         (mark_single_exit_loops): Removed.
11323         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
11324         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
11325         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
11326         functions.
11327         (get_loop_exit_edges, single_exit): Use recorded exit lists.
11328         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
11329         (verify_loop_structure): Verify consistency of the exit lists.
11330         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
11331         (set_single_exit): Removed.
11332         * cfgloop.h (struct loop_exit): New function.
11333         (struct loop): single_exit_ field replaced by exits field.
11334         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
11335         (struct loops): Added exits hash.
11336         (mark_single_exit_loops, set_single_exit): Declaration removed.
11337         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
11338
11339 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11340
11341         * doc/invoke.texi: Avoid use of @headitem.
11342
11343 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11344
11345         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
11346
11347 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11348
11349         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
11350         list of targets.
11351
11352 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11353             Richard Sandiford  <richard@codesourcery.com>
11354
11355         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
11356         * config/m68k/m68k.opt: Resort options.
11357         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
11358
11359 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11360             Richard Sandiford  <richard@codesourcery.com>
11361
11362         * doc/invoke.texi: Document the macros that are defined by
11363         m68k's -mtune and -mhard-float options.
11364         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
11365         (m68k_cpp_cpu_family): Likewise.
11366         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
11367         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
11368         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
11369         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
11370         (m68k_cpp_cpu_family): Likewise.
11371
11372 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11373
11374         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
11375         macros besides mc68000 as tuning macros.  Use a switch statement
11376         to set them and mcpu32.
11377
11378 2007-01-12  Julian Brown  <julian@codesourcery.com>
11379
11380         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
11381         (TARGET_68040_ONLY): Rename to...
11382         (TARGET_68040): ...this.
11383         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
11384         * config/m68k/m68k.md: Likewise.
11385
11386 2007-01-12  Julian Brown  <julian@codesourcery.com>
11387             Nathan Sidwell  <nathan@codesourcery.com>
11388             Richard Sandiford  <richard@codesourcery.com>
11389
11390         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
11391         the -mcpu= argument associated with the --with-cpu setting.
11392         Define M68K_DEFAULT_TUNE to the default -mtune= option,
11393         if different from the one implied by the -mcpu setting.
11394         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
11395         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
11396         * doc/invoke.texi: Mention ColdFire in the introduction to the
11397         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
11398         -mno-div and -mhard-float options.  Make -m68881 a synonym for
11399         -mhard-float.  Document the previously-undocumented -m5206e,
11400         -m528x, -m5307 and -m5407 options.  Tweak the existing option
11401         documentation for consistency.
11402         * doc/install.texi: Mention new --with-cpu arguments.
11403         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
11404         default CPU if neither -mcpu nor -march are specified.
11405         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
11406         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
11407         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
11408         using m68k_tune to decide between families that implement the
11409         same ISA.  Use m68k_tune to set __mcfv4e__.
11410         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
11411         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
11412         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
11413         (FL_ISA_C, FL_ISA_MMU): New macros.
11414         (MASK_COLDFIRE): Delete.
11415         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
11416         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
11417         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
11418         (TARGET_HARD_FLOAT): Do not define here.
11419         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
11420         (TUNE_68000): New macro.
11421         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
11422         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
11423         (TUNE_CFV2): Redefine in terms of m68k_tune.
11424         (uarch_type, target_device, fpu_type): New enums.
11425         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
11426         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
11427         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
11428         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
11429         (FL_FOR_isa_c): New macros.
11430         (m68k_isa): New enum.
11431         (m68k_target_selection): New structure.
11432         (all_devices, all_isas, all_microarchs): New tables.
11433         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
11434         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
11435         (MASK_ALL_CPU_BITS): Delete.
11436         (m68k_find_selection): New function.
11437         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
11438         Map the legacy target options to a combination of the new ones.
11439         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
11440         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
11441         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
11442         settings.
11443         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
11444         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
11445         properties.
11446         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
11447         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
11448         * config/m68k/m68k-devices.def: New file.
11449
11450 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11451             Nathan Sidwell  <nathan@codesourcery.com>
11452
11453         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
11454         (SUBTARGET_EXTRA_SPECS): New macros.
11455         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
11456         use %(asm_cpu_spec) instead.
11457         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
11458         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
11459         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
11460         (EXTRA_SPECS): Rename to...
11461         (SUBTARGET_EXTRA_SPECS): ...this.
11462
11463 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11464             Richard Sandiford  <richard@codesourcery.com>
11465             Julian Brown  <julian@codesourcery.com>
11466
11467         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
11468         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
11469         to the configuration's default CPU.
11470         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
11471         Remove default masks.
11472         (m680[012]0-*-*): Set the default with_cpu to the first part of
11473         the target name.
11474         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
11475         (m68k*-*-linux): Extend the --with-cpu handling to...
11476         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
11477         and m68010.  Don't set target_cpu_default2.
11478         * doc/install.texi: Document --with-cpu for m68k.
11479         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
11480         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
11481         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
11482         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
11483         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
11484         (ASM_SPEC): Remove use of %(asm_cpu_default).
11485         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
11486         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
11487         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
11488         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
11489         __HAVE_FPU__ if TARGET_HARD_FLOAT.
11490         (TARGET_DEFAULT): Delete.
11491         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
11492         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
11493         (CPP_CPU_SPEC): Delete.
11494         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
11495         the appropriate string.
11496         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
11497         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
11498         (ASM_SPEC): Don't use %(asm_default_spec).
11499         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11500         TARGET_DEFAULT and add MASK_68881.
11501         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
11502
11503 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11504
11505         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
11506         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
11507         MASK_68010 alongside MASK_68020.
11508         * doc/invoke.texi: Document -m68010.
11509         * config/m68k/m68k.opt (m68010): New.
11510         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
11511         if TUNE_68010.
11512         (TUNE_68010): New macro.
11513         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
11514         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
11515         (M68K_CPU_m68332): Add MASK_68010.
11516         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
11517         fallback definition.
11518         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
11519         defines.
11520         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
11521         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
11522         to all entries that use MASK_68020.
11523         (output_move_simode_const, output_move_himode, output_move_qimode)
11524         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
11525         instead of TARGET_68020 to select clr behavior.  Remove comment
11526         about there being no TARGET_68010.
11527         * config/m68k/m68k.md: Likewise throughout.
11528
11529 2007-01-12  Julian Brown  <julian@codesourcery.com>
11530
11531         * config/m68k/m68k.h (TARGET_ISAB): New macro.
11532         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
11533         * config/m68k/m68k.md: Likewise.
11534
11535 2007-01-12  Julian Brown  <julian@codesourcery.com>
11536
11537         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
11538         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
11539
11540 2007-01-12  Julian Brown  <julian@codesourcery.com>
11541
11542         * config/m68k/m68k.h (TUNE_68040_60): New macro.
11543         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
11544         * config/m68k/m68k.md: Likewise.
11545
11546 2007-01-12  Julian Brown  <julian@codesourcery.com>
11547             Richard Sandiford  <richard@codesourcery.com>
11548
11549         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
11550         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
11551         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
11552         TARGET_CPU32.
11553         (TARGET_CPU32): Rename to...
11554         (TUNE_CPU32): ...this.
11555         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
11556         (TUNE_CFV2): New macros.
11557         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
11558         remove conditions that are implied by TARGET_68020.
11559         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
11560         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
11561         (m68k_output_function_epilogue): Likewise.
11562         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
11563         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
11564         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
11565         non-68000 timings.  Refactor multiplication and division costs.
11566         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
11567         TUNE_CPU32 instead of TARGET_CPU32.
11568         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
11569         and TUNE_68060 instead of TARGET_68060.
11570         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
11571         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
11572         TARGET_CPU32.
11573         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
11574         && !TARGET_COLDFIRE" to choose between moveq and clr.
11575         Likewise in the unnamed movsf pattern.
11576         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
11577         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
11578         ashiftrt pattern.
11579
11580 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11581
11582         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
11583         of tabbing before backslashes.
11584
11585 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11586
11587         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
11588         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
11589         (ASM_OUTPUT_INTERNAL_LABEL): Define.
11590
11591 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
11592
11593         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
11594         find_interesting_uses_cond.
11595         (find_interesting_uses_cond): Use extract_cond_operands.
11596         (rewrite_use_compare): Use extract_cond_operands and
11597         force_gimple_operand_bsi.  Do not call update_stmt.
11598         (determine_use_iv_cost_condition): Use extract_cond_operands.
11599         Return cheaper of using original bound and changing the exit bound.
11600
11601 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
11602
11603         PR tree-optimization/29516
11604         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
11605         most_expensive_mult_to_index, addr_to_parts,
11606         create_mem_ref, maybe_fold_tmr): Make the type of
11607         fields of TARGET_MEM_REF sizetype.
11608         (move_fixed_address_to_symbol, move_pointer_to_base):
11609         New functions.
11610         * tree.def (TARGET_MEM_REF): Add comment on types of
11611         the operands.
11612
11613 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
11614
11615         * c-common.c (vector_types_convertible_p): Treat opaque types as
11616         always convertible if they have the same size, but not otherwise.
11617
11618 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
11619
11620         * ifcvt.c (struct noce_if_info): Add comments to the fields.
11621         Remove the b_unconditional field.
11622         (noce_try_sign_mask): Do not look at b_unconditional.
11623         (noce_process_if_block): Do not use merge_if_blocks.  Update
11624         the CFG here.  Do not set b_unconditional.
11625         (cond_move_process_if_block): Likewise.
11626         (find_cond_trap): Likewise.
11627         (check_cond_move_block): Require simple jump insns at the end
11628         of the basic block.
11629
11630 2007-01-11  Jan Hubicka  <jh@suse.cz>
11631
11632         PR tree-optimization/1046
11633         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
11634         when alias info is not ready.
11635         (pass_tail_recursion): Do not require aliasing.
11636         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
11637         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
11638         * tree-ssa-copy.c (pass_copy_prop): Likewise.
11639         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
11640         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
11641         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
11642         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
11643         before inlining.
11644         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
11645         When aliasing is not build, mark statement as volatile.
11646
11647 2007-01-11  Tom Tromey  <tromey@redhat.com>
11648
11649         PR preprocessor/15185, PR preprocessor/20989:
11650         * doc/cppopts.texi <-MT>: Update description of algorithm for
11651         computing default target.
11652         <-M, -MD>: Reword "basename" text.
11653
11654 2007-01-11  Roger Sayle  <roger@eyesopen.com>
11655
11656         * builtins.c (expand_builtin_pow, expand_builtin_powi,
11657         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
11658         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
11659         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
11660         fold_builtin_bswap, real_constp, fold_builtin_pow,
11661         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
11662         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
11663         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11664         * convert.c (convert_to_pointer): Likewise.
11665         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
11666         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
11667         const_binop, fold_convert_const_int_from_int,
11668         fold_convert_const_int_from_real,
11669         fold_convert_const_real_from_real, sign_bit_p,
11670         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
11671         fold_sign_changed_comparison, fold_unary, fold_comparison,
11672         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
11673         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
11674         * print-tree.c (print_node_brief, print_node): Likewise.
11675         * stor-layout.c (place_field, layout_type): Likewise.
11676         * tree-chrec.c (keep_cast): Likewise.
11677         * tree.c (build_vector, build_real, build_real_from_int_cst,
11678         build_complex): Likewise.
11679
11680 2007-01-11  Roger Sayle  <roger@eyesopen.com>
11681
11682         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
11683         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
11684
11685 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
11686
11687         * configure.ac (strict1_warn): Rename to strict_warn.
11688         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
11689         cc_set_by_configure, quoted_cc_set_by_configure,
11690         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
11691         all_boot_languages, all_stagestuff): Remove.
11692         (target_list): Remove bootstrap targets.
11693         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
11694         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
11695         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
11696         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
11697         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
11698         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
11699         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
11700         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
11701         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
11702         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
11703         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
11704         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
11705         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
11706         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
11707         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
11708         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
11709         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
11710         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
11711         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
11712         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
11713         (mostlyclean): Adjust.
11714         (clean, distclean): Don't mention bootstrap stuff.
11715         * configure: Regenerate.
11716         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
11717         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
11718         treelang/config-lang.in (stagestuff): Remove.
11719         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
11720         stageprofile, stagefeedback, stagestuff): Remove mention.
11721
11722 2007-01-11  Nick Clifton  <nickc@redhat.com>
11723
11724         * config/mcore/predicates.md (mcore_general_movesrc_operand):
11725         Accept CONSTs.
11726         (mcore_general_movdst_operand): Do not accept CONST_INTs.
11727         (mcore_arith_K_S_operand): Run the test for the S constraint not
11728         the test for the M constraint.
11729         (mcore_addsub_operand): Do not accept integer values that are
11730         larger than 32 bits.
11731         * config/mcore/mcore.md: Remove unused constraints from split.
11732         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
11733         (addsi3): Likewise.
11734         (allocate_stack): Likewise.
11735         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
11736         operands to 32 bits.
11737         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
11738         INTVAL.
11739         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
11740         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
11741         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
11742         mcore_output_bclri, mcore_output_andn, output_inline_const,
11743         mcore_output_move, mcore_output_movedouble): Likewise.
11744         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
11745         (output_inline_const): Likewise.
11746         (output_inline_const): Fix format strings used in sprintf
11747         statements.
11748         * config/mcore/mcore-protos.h: Update prototypes for changed
11749         functions in mcore.c.
11750         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
11751         HOST_WIDE_INT and not int.
11752         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
11753         CONST_OK_FOR_N): Likewise.
11754         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
11755         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
11756         an INTVAL.
11757
11758 2007-01-10  Jan Hubicka  <jh@suse.cz>
11759
11760         * tree-vrp.c (remove_range_assertions): Release defs.
11761         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
11762         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
11763
11764 2007-01-10  Paul Brook  <paul@codesourcery.com>
11765
11766         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
11767         * config/arm/arm.md (mulsi3subsi): New insn.
11768
11769 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
11770
11771         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
11772         (tree_transform_and_unroll_loop): New.
11773         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
11774         Declare.
11775
11776 2007-01-10  Robert Kennedy <jimbob@google.com>
11777
11778         * fold-const.c (fold_comparison): Fold comparisons like (x *
11779         1000 < 0) to (x < 0).
11780
11781 2007-01-10  Ian Lance Taylor  <iant@google.com>
11782
11783         * tree-pretty-print.c (dump_generic_node): Print parentheses when
11784         operands have the same priority.
11785
11786 2007-01-10  Tom Tromey  <tromey@redhat.com>
11787
11788         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
11789         (fold_binary): Likewise.
11790         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
11791         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
11792         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
11793         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
11794         * langhooks.h (struct lang_hooks): Removed field
11795         'can_use_bit_fields_p'.
11796
11797 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
11798
11799         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
11800
11801 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
11802
11803         * function.c (get_last_funcdef_no): New function.
11804         * function.h (get_last_funcdef_no): Declare.
11805         * tree-inline.c (initialize_cfun): Add initialization.
11806         (tree_function_versioning): Cleanup.
11807
11808 2007-01-10  Jan Hubicka  <jh@suse.cz>
11809
11810         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
11811         PHIs.
11812
11813 2007-01-10  Sa Liu  <saliu@de.ibm.com>
11814             Ben Elliston  <bje@au.ibm.com>
11815
11816         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
11817         for SAVE_NONLOCAL and Pmode for any other save level.
11818         * spu-protos.h (spu_restore_stack_block): Declare.
11819         * spu.md (save_stack_block): Remove.
11820         (restore_stack_block): Call spu_restore_stack_block.
11821         * spu.c (spu_restore_stack_block): New function.
11822         (spu_expand_epilogue): Remove old comment.
11823
11824 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
11825
11826         PR tree-optimization/30322
11827         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
11828         (cand_value_at): Return the value as aff_tree.
11829         (may_eliminate_iv): Convert the bound from aff_tree to tree.
11830         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
11831         aff_combination_mult): New functions.
11832         (aff_combination_add): Use aff_combination_add_cst.
11833         (aff_combination_convert): Allow conversions to a wider type.
11834         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
11835         * tree-affine.h (aff_combination_mult): Declare.
11836
11837 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
11838
11839         * doc/tm.texi: Update documentation to reflect reality of exec
11840         and start file search behaviours. Update copyright year.
11841         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
11842         header file directories.
11843
11844 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
11845
11846         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
11847         (*cosxf2): Rename to cosxf2_i387.
11848         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
11849         using X87MODEF12 mode macro. Rename patterns to
11850         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
11851         for SSE math.
11852         (*cosdf2, *cossf2): Ditto.
11853         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
11854         to match extended input operands.
11855         (sincos<mode>3): New expander.
11856         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
11857         insn patterns and corresponding splitters.
11858
11859 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
11860
11861         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
11862         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
11863
11864 2007-01-09  Nicolas Pitre  <nico@cam.org>
11865
11866         PR target/30173
11867         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
11868
11869 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
11870
11871         * target.h (struct gcc_target): New field library_rtti_comdat.
11872         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
11873         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
11874         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
11875         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
11876
11877 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
11878
11879         * doc/invoke.texi (Optimize Options): Correct description of -O0.
11880
11881 2007-01-08  Richard Guenther  <rguenther@suse.de>
11882
11883         * tree.h (force_fit_type_double): Export.
11884         (force_fit_type): Remove.
11885         * fold-const.c (force_fit_type_double): New function.
11886         (force_fit_type): Remove.
11887         (int_const_binop): Use it.
11888         (fold_convert_const_int_from_int): Likewise.
11889         (fold_convert_const_int_from_real): Likewise.
11890         (fold_div_compare): Likewise.
11891         (fold_sign_changed_comparison): Likewise.
11892         (fold_unary): Likewise.
11893         (fold_negate_const): Likewise.
11894         (fold_abs_const): Likewise.
11895         (fold_not_const): Likewise.
11896         * c-common.c (shorten_compare): Use force_fit_type_double.
11897         * convert.c (convert_to_pointer): Likewise.
11898
11899 2007-01-08  Richard Guenther  <rguenther@suse.de>
11900
11901         * tree.h (build_int_cst_wide_type): Export.
11902         * tree.c (build_int_cst_wide_type): New function.
11903         (build_int_cst_wide): Fix comment.
11904         * builtins.c (fold_builtin_object_size): Use build_int_cst
11905         to build -1 or 0 of the correct type.  Use fit_double_type
11906         to check for overflow.
11907         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
11908         to build the mask.
11909         (decode_field_reference): Likewise.
11910         (all_ones_mask_p): Likewise.
11911         (native_interpret_int): Use build_int_cst_wide_type.
11912         (fold_binary): Use build_int_cst_type to build an all-ones
11913         value.
11914         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
11915
11916 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
11917
11918         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
11919
11920 2007-01-09  Ben Elliston  <bje@au.ibm.com>
11921
11922         * genautomata.c (STATS_OPTION): New option.
11923         (stats_flag): New flag.
11924         (gen_automata_option): Handle it.
11925         (initiate_automaton_gen): Ditto.
11926         (write_automata): Output statistics only if stats_flag is
11927         set. Likewise, output time statistics only if time_flag is set.
11928         * doc/md.texi (Processor pipeline description): Document new flag.
11929
11930 2007-01-08  Richard Guenther  <rguenther@suse.de>
11931
11932         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
11933         * tree.c (build_int_cst_type): Likewise.
11934         (size_in_bytes): Don't call force_fit_type on the result.
11935         (int_fits_type_p): Use fit_double_type.
11936         * fold-const.c (fit_double_type): New function.
11937         (force_fit_type): Use it.
11938         * tree.h (fit_double_type): Export.
11939
11940 2007-01-08  Jan Hubicka  <jh@suse.cz>
11941
11942         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
11943         * ipa.c (function_and_variable_visibility): Fix return type.
11944
11945 2007-01-08  Richard Guenther  <rguenther@suse.de>
11946
11947         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
11948         of offset to build the index.
11949         * tree-pretty-print.c (dump_generic_node): Don't build negated
11950         const just for printing.
11951         * c-pretty-print.c (pp_c_integer_constant): Likewise.
11952         * builtins.c (fold_builtin_int_roundingfn): Check if result
11953         fits the type by using force_fit_type and comparing the result.
11954         * predict.c (predict_loops): Use compare_tree_int for comparison.
11955         * tree.c (build_int_cst): Fall back to integer_type_node for
11956         NULL_TREE type.
11957         (build_int_cst_wide): Assert type is non-null.
11958
11959 2007-01-08  Roberto Costa  <roberto.costa@st.com>
11960
11961         * tree-vrp.c (extract_range_from_cond_expr): New.
11962         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
11963         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
11964         as expressions.
11965         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
11966         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
11967         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
11968         used as expressions.
11969         * tree-object-size.c (cond_expr_object_size): New.
11970         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
11971
11972 2007-01-08  Jan Hubicka  <jh@suse.cz>
11973
11974         * tree-ssa-forwprop.c (forward_propagate_into_cond,
11975         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
11976         statement.
11977
11978 2007-01-08  Richard Guenther  <rguenther@suse.de>
11979
11980         PR tree-optimization/23603
11981         * tree-vrp.c (set_value_range_to_truthvalue): New function.
11982         (extract_range_from_binary): Fall back to truthvalue instead of
11983         varying for TRUTH_*_EXPR.
11984         (extract_range_from_comparison): Fall back to truthvalue instead of
11985         varying.
11986         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
11987         if all visited PHI values were constant.
11988
11989 2007-01-08  Jan Hubicka  <jh@suse.cz>
11990
11991         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
11992         (cgraph_analyze_function): break out from ...
11993         (cgraph_finalize_compilation_unit): ... here.
11994         (cgraph_expand_function): Remove forgoten commented out line.
11995         (cgraph_optimize): Analyze functions.
11996
11997 2007-01-08  Jan Hubicka  <jh@suse.cz>
11998
11999         * tree-pas.h (TODO_remove_function): New flag.
12000         (TODO_update*): Renumber.
12001         (pass_ipa_increase_alignment,
12002         pass_ipa_function_and_variable_visibility): New passes.
12003         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
12004         (cgraph_function_and_variable_visibility): Move to ipa.c
12005         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
12006         cgraph_increase_alignment.
12007         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
12008         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
12009         calling tree-inline.
12010         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
12011         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
12012         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
12013         (gate_increase_alignment): New function.
12014         (pass_ipa_increase_alignment): New pass.
12015         * ipa.c: Inline tree-pass.h and timevar.h
12016         (function_and_variable_visibility): Move here from cgraphunit.c
12017         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
12018         * passes.c (init_optimization_passes): Add the two new passes.
12019         (execute_todo): Handle cgraph_remove_functions.
12020
12021 2007-01-08  Nick Clifton  <nickc@redhat.com>
12022
12023         * config/frv/predicates.md (reg_or_0_operand): Accept
12024         CONST_DOUBLEs.
12025
12026 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
12027
12028         * config/bfin/rtems.h, config/bfin/t-rtems: New.
12029         * config.gcc: Add bfin*-rtems*.
12030
12031 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
12032
12033         * c.opt: Add -flax-vector-conversions.
12034         * c-typeck.c (convert_for_assignment): Pass flag to
12035         vector_types_convertible_p to allow emission of note.
12036         (digest_init): Likewise.
12037         * c-opts.c: Handle -flax-vector-conversions.
12038         * c-common.c (flag_lax_vector_conversions): New.
12039         (vector_types_convertible_p): Unless -flax-vector conversions
12040         has been passed, disallow conversions between vectors with
12041         differing numbers of subparts and/or element types.  If such
12042         a conversion is disallowed, possibly emit a note on the first
12043         occasion only to inform the user of -flax-vector-conversions.
12044         The new last argument specifies this.
12045         * c-common.h (flag_lax_vector_conversions): New.
12046         (vector_types_convertible_p): Add extra argument.
12047         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
12048         char_type_node for V*QI type vectors.
12049         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
12050         Update to satisfy new typechecking rules.
12051         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
12052         C and C++ variants.
12053         * doc/invoke.texi (C Dialect Options): Document
12054         -flax-vector-conversions.
12055
12056 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
12057
12058         PR tree-optimization/29877
12059         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
12060         a register variable on the RHS to not be replaceable.
12061
12062 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
12063         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
12064         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
12065         const_simm15, const_pow2, const_npow2): Added.
12066         * config/score/misc.md (insv, extv, extzv, movmemsi,
12067         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
12068         * config/score/score.c (score_address_cost, score_select_cc_mode):
12069         Added.
12070         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
12071         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
12072         Update score_print_operand.
12073         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
12074         Adjust register allocate order and update some macro define.
12075         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
12076         mdx_block_move_straight, mdx_block_move_loop_head,
12077         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
12078         mdx_block_move): Added.
12079         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
12080         mdp_limm): Updated and fix some bug and typo.
12081         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
12082         (movsf, movdf, doloop_end): Added.
12083
12084 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
12085
12086         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
12087         config/arm/thumb2.md: Fix comment typos.
12088         * doc/extend.texi: Fix a typo.
12089
12090 2007-01-07  Eric Christopher  <echristo@apple.com>
12091
12092         * configure.ac: Check for __stack_chk_fail for darwin.
12093         * configure: Regenerate.
12094
12095 2007-01-07  Richard Guenther  <rguenther@suse.de>
12096
12097         * tree-vrp.c (extract_range_from_assert): CSE calls to
12098         compare_values where possible.
12099         (extract_range_from_unary_expr): Likewise.
12100
12101 2007-01-07  Anatoly Sokolov <aesok@post.ru>
12102
12103         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
12104         * config/avr/avr.c (call_insn_operand): Delete function.
12105         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
12106         instead of register number. Use predicates.
12107         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
12108         call_insn_operand): Add.
12109
12110 2007-01-06  Jan Hubicka  <jh@suse.cz>
12111
12112         * tree-pass.h (pass_build_cgraph_edges): Declare.
12113         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
12114         (visited_nodes): Remove.
12115         (cgraph_create_edges): Move to cgraphbuild.c; rename to
12116         build_cgrpah_edges; make visited_nodes local.
12117         (cgraph_process_new_functions): DO not call initialize_inline_failed.
12118         (record_references_in_initializer): Move to cgraphbuild.c
12119         (initialize_inline_failed, rebuild_cgraph_edges,
12120         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
12121         (verify_cgraph_node): Make visited_nodes local.
12122         (cgraph_analyze_function): Do not call cgraph_create_edges and
12123         initialize_inline_failed.
12124         (cgraph_expand_function): Do not call cgraph_lower_function;
12125         assert that function is already lowered.
12126         * Makefile.in (cgraphbuild.o): New.
12127         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
12128         at the end of lowering passes.
12129
12130 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
12131
12132         * ifcvt.c (cond_move_convert_if_block): New function, code
12133         factored out from...
12134         (cond_move_process_if_block): ...here.  Call the new function
12135         on the THEN and ELSE blocks.
12136         (merge_if_block): Do not copy global_live_at_end, merge_blocks
12137         already takes care of this.
12138
12139 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12140
12141         PR c/19978
12142         * tree.h (TREE_OVERFLOW_P): New.
12143         * c-typeck.c (parser_build_unary_op): Warn only if result
12144         overflowed and operands did not.
12145         (parser_build_binary_op): Likewise.
12146         (convert_for_assignment): Remove redundant overflow_warning.
12147         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
12148
12149 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12150
12151         * c-typeck.c (store_init_value): Split over two lines to follow
12152         the GNU coding style.
12153
12154 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
12155
12156         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
12157         __GXX_EXPERIMENTAL_CXX0X__.
12158         * doc/cpp.texi: Same.
12159
12160 2007-01-05  Richard Guenther  <rguenther@suse.de>
12161
12162         PR middle-end/27826
12163         * tree.c (get_narrower): Do not construct COMPONENT_REFs
12164         with mismatched types.  Instead explicitly build a
12165         conversion NOP_EXPR.
12166
12167 2007-01-05  Ian Lance Taylor  <iant@google.com>
12168
12169         * c-common.c (decl_with_nonnull_addr_p): New function.
12170         (c_common_truthvalue_conversion): Call it.
12171         * c-typeck.c (build_binary_op): Likewise.
12172         * c-common.h (decl_with_nonnull_addr_p): Declare.
12173
12174 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
12175
12176         PR c/30360
12177         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
12178         denom against 0.0.
12179
12180 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
12181
12182         * doc/install.texi (Final install): Document the fact that
12183         the GNAT runtime should not be stripped.
12184
12185 2007-01-04  Jan Hubicka  <jh@suse.cz>
12186
12187         * tree-inline.c (fold_marked_statements): Update operand caches
12188         and EH after folding
12189
12190 2007-01-04  Ian Lance Taylor  <iant@google.com>
12191
12192         * c-common.c (check_function_nonnull): Whitespace fix.
12193
12194 2007-01-04  Jan Hubicka  <jh@suse.cz>
12195
12196         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
12197         comitted older version of patch.
12198         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
12199         function, celanup cfg and collect garbage.
12200
12201 2007-01-04  Mike Stump  <mrs@apple.com>
12202
12203         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
12204         (clean): Likewise.
12205
12206 2007-01-04  Eric Christopher  <echristo@apple.com>
12207
12208         * libgcc2.c (__bswapsi2): Use SItype.
12209         (__bswapdi2): Use DItype.
12210         * libgcc2.h: Update for above.
12211
12212 2007-01-04  Paul Brook  <paul@codesourcery.com>
12213
12214         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
12215         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
12216         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
12217         umulsidi3, umulsidi3adddi, smulsi3_highpart,
12218         umulsi3_highpart): Make conditional on !arm_arch6.
12219         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
12220         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
12221         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
12222         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
12223         umulsi3_highpart_v6): New insns.
12224
12225 2007-01-04  Roger Sayle  <roger@eyesopen.com>
12226
12227         * fold-const.c (fold_convert): When casting an expression to void,
12228         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
12229         have a type.  Instead of attempting to build a NOP_EXPR, return
12230         these "special" trees directly.
12231
12232 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
12233
12234         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
12235         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
12236         rs6000_cost->fp not 0 as adjustment for outer NEG.
12237
12238 2007-01-04  Jan Hubicka  <jh@suse.cz>
12239
12240         * cgraph.c (cgraph_release_function_body): New function.
12241         (cgraph_remove_node): Use it.
12242         * cgraph.h (cgraph_release_function_body): Declare.
12243         * cgraphunit.c (cgraph_expand_function): Use it.
12244         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
12245         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
12246         is initialized and while compilation of other function is running.
12247         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
12248         statement CFG annotations from here to ...
12249         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
12250
12251 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
12252
12253         * cfgloop.h (enum li_flags): Make the constants powers of two.
12254
12255 2007-01-04  Jan Hubicka  <jh@suse.cz>
12256
12257         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
12258         set.
12259         (fold_marked_statements): New function.
12260         (optimize_inline_calls, tree_function_versioning): Fold new statements.
12261         * tree-inline.h (copy_body_data): Add statements_to_fold.
12262
12263 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
12264
12265         * config.gcc: Mention libgcc/config.host.
12266         * Makefile.in: Update comments mentioning libgcc.
12267         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
12268         (all.cross, start.encap, rest.encap, rest.cross): Update
12269         dependencies for libgcc move.
12270         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
12271         (clean-target, clean-target-libgcc): Delete.
12272         (srcdirify, GCC_EXTRA_PARTS): New macros.
12273         (libgcc-support, libgcc.mvars): New rules.
12274         (distclean): Remove mention of mklibgcc.
12275         (install): Don't reference INSTALL_LIBGCC.
12276         (install-common): Don't reference EXTRA_PARTS.
12277         (install-libgcc, install-multilib): Delete rules.
12278         * mklibgcc.in: Delete file.
12279         * doc/configfiles.texi: Don't mention mklibgcc.
12280
12281         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
12282         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
12283         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
12284         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
12285         (mklibgcc, ldblspecs): Likewise.
12286
12287         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
12288         (posixpre.def): Use $(T).
12289         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
12290         (SHLIB_SRC, SHLIB_INSTALL): Delete.
12291         (SHLIB_LINK): Make dummy.
12292         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
12293
12294         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
12295
12296         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
12297         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
12298         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
12299         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
12300
12301         * configure.ac (all_outputs): Remove mklibgcc.
12302         * configure: Regenerated.
12303
12304 2007-01-03  Josh Conner  <jconner@apple.com>
12305
12306         PR middle-end/29683
12307         * calls.c (compute_argument_addresses): Set stack and stack_slot
12308         for partial args, too.
12309         (store_one_arg): Use locate.size.constant for the size when
12310         generating a save_area.
12311
12312 2007-01-03  Robert Kennedy <jimbob@google.com>
12313
12314         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
12315         whose definitions are deleted due to basic block merging.
12316
12317 2007-01-03  Paul Brook  <paul@codesourcery.com>
12318
12319         PR target/16634
12320         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
12321         functions.
12322         (use_return_insn): Return 0 for Thumb interrupt functions.
12323         (print_multi_reg): Add rfe argument for IRQ returns.
12324         (arm_output_epilogue): Pop interrupt return address directly into PC.
12325         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
12326
12327 2007-01-03  Paul Brook  <paul@codesourcery.com>
12328
12329         Merge from sourcerygxx-4_1.
12330         * config/arm/thumb2.md: New file.
12331         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
12332         Thumb-2.
12333         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
12334         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
12335         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
12336         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
12337         tables.
12338         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
12339         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
12340         comptibility.
12341         * config/arm/ieee754-sf.S: Ditto.
12342         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
12343         (thumb1_base_register_rtx_p): ... to this.
12344         (thumb_index_register_rtx_p): Rename...
12345         (thumb1_index_register_rtx_p): ... to this.
12346         (thumb_output_function_prologue): Rename...
12347         (thumb1_output_function_prologue): ... to this.
12348         (thumb_legitimate_address_p): Rename...
12349         (thumb1_legitimate_address_p): ... to this.
12350         (thumb_rtx_costs): Rename...
12351         (thumb1_rtx_costs): ... to this.
12352         (thumb_compute_save_reg_mask): Rename...
12353         (thumb1_compute_save_reg_mask): ... to this.
12354         (thumb_final_prescan_insn): Rename...
12355         (thumb1_final_prescan_insn): ... to this.
12356         (thumb_expand_epilogue): Rename...
12357         (thumb1_expand_epilogue): ... to this.
12358         (arm_unwind_emit_stm): Rename...
12359         (arm_unwind_emit_sequence): ... to this.
12360         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
12361         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
12362         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
12363         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
12364         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
12365         thumb2_output_casesi): New functions.
12366         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
12367         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
12368         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
12369         THUMB2_WORK_REGS): Define.
12370         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
12371         arm_condexec_mask, arm_condexec_masklen)): New variables.
12372         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
12373         (arm_override_options): Check new CPU capabilities.
12374         Set new architecture flag variables.
12375         (arm_isr_value): Handle v7m interrupt functions.
12376         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
12377         Thumb-2.
12378         (const_ok_for_arm): Handle Thumb-2 constants.
12379         (arm_gen_constant): Ditto.  Use movw when available.
12380         (arm_function_ok_for_sibcall): Return false for v7m interrupt
12381         functions.
12382         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
12383         (thumb_find_work_register, arm_load_pic_register,
12384         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
12385         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
12386         print_multi_reg, output_mov_long_double_fpa_from_arm,
12387         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
12388         output_mov_double_fpa_from_arm, output_move_double,
12389         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
12390         output_return_instruction, arm_output_function_prologue,
12391         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
12392         arm_output_mi_thunk, thumb_set_return_address): Ditto.
12393         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
12394         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
12395         (arithmetic_instr, shift_op): Use arm_shift_nmem.
12396         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
12397         '!' and 'L'.
12398         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
12399         (thumb_expand_prologue): Use thumb_set_frame_pointer.
12400         (arm_file_start): Output directive for unified syntax.
12401         (arm_unwind_emit_set): Handle stack alignment instruction.
12402         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
12403         Add v6t2, v7, v7a, v7r and v7m.
12404         (RETLDM): Add Thumb-2 code.
12405         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
12406         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
12407         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
12408         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
12409         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
12410         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
12411         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
12412         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
12413         ADJUST_INSN_LENGTH): Define.
12414         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
12415         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
12416         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
12417         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
12418         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
12419         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
12420         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
12421         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
12422         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
12423         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
12424         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
12425         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
12426         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
12427         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
12428         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
12429         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
12430         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
12431         cortex-m3.
12432         * config/arm/arm-tune.md: Regenerate.
12433         * config/arm/arm-protos.h: Update prototypes.
12434         * config/arm/vfp.md: Enable patterns for Thumb-2.
12435         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
12436         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
12437         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
12438         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
12439         * config/arm/libunwind.S: Add Thumb-2 code.
12440         * config/arm/constraints.md: Update include Thumb-2.
12441         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
12442         * config/arm/ieee754-df.S: Ditto.
12443         * config/arm/bpabi.S: Ditto.
12444         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
12445         * config/arm/predicates.md (low_register_operand,
12446         low_reg_or_int_operand, thumb_16bit_operator): New.
12447         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
12448         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
12449         * config/arm/t-arm-elf: Add armv7 multilib.
12450         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
12451         Include thumb2.md.
12452         (UNSPEC_STACK_ALIGN, ce_count): New.
12453         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
12454         arm_zero_extendsidi2, arm_zero_extendqidi2): New
12455         insns/expanders.
12456         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
12457         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
12458         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
12459         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
12460         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
12461         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
12462         insns.
12463         * doc/extend.texi: Document ARMv7-M interrupt functions.
12464         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
12465
12466 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
12467
12468         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
12469         (struct _Unwind_Context): Rename args_size to flags, remove
12470         signal_frame field, add a new args_size field and version field.
12471         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
12472         _Unwind_IsExtendedContext): New inline functions.
12473         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12474         Assume by_value array is only present if _Unwind_IsExtendedContext.
12475         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
12476         _Unwind_IsSignalFrame.
12477         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
12478         (uw_update_context_1): Use _Unwind_SetSignalFrame.
12479         (uw_init_context_1): Initialize context->flags to
12480         EXTENDED_CONTEXT_BIT.
12481         * config/rs6000/linux-unwind.h (frob_update_context): Use
12482         _Unwind_SetSignalFrame.
12483
12484 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12485
12486         PR middle-end/30353
12487         * gimplify.c (gimplify_modify_expr_complex_part): Move below
12488         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
12489         the value.
12490
12491 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
12492
12493         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
12494         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
12495         RET, AT_SP): Remove.
12496         * config/i386/i386.md (*sse_prologue_save_insn): Use return
12497         instead of RET.
12498
12499         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12500         * cfgbuild.c (find_basic_blocks): Likewise.
12501         * cfgrtl.c (rtl_create_basic_block): Likewise.
12502         * function.c (temp_slots_at_level): Likewise.
12503         * reg-stack.c (stack_regs_mentioned): Likewise.
12504         * regclass.c (allocate_reg_info): Likewise.
12505         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12506         set_bb_for_stmt, move_block_to_fn): Likewise.
12507         * tree-complex.c (tree_lower_complex): Likewise.
12508         * vec.h (VEC_safe_grow_cleared): New.
12509
12510         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
12511
12512 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
12513
12514         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
12515         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
12516         to loop_version.
12517         * cfgloopmanip.c (scale_loop_frequencies): Export.
12518         (loopify): Scale the frequencies by prescribed coefficients.
12519         (set_zero_probability): New function.
12520         (duplicate_loop_to_header_edge): Improve updating of frequencies.
12521         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
12522         and frequencies according to arguments.
12523         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
12524         correctly.
12525         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
12526         * modulo-sched.c (sms_schedule): Set probabilities for entering
12527         versioned loop correctly.
12528         * tree-vect-transform.c (vect_transform_loop): Ditto.
12529         * cfgloop.h (loopify, loop_version): Declaration changed.
12530         (scale_loop_frequencies): Declared.
12531
12532 2007-01-02  Jan Hubicka  <jh@suse.cz>
12533
12534         * cgraph.c: Include tree-flow.h
12535         (cgraph_add_new-function): Handle IPA_SSA mode; execute
12536         early_local_passes.
12537         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
12538         * tree-pass.h (pass_all_early_optimizations): Declare.
12539         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
12540         early_local_passes.
12541         (cgraph_analyze_function): Do early_local_passes.
12542         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
12543         Do not add referenced vars.
12544         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
12545         SSA form.
12546         (gate_all_early_local_passes): New gate.
12547         (pass_early_local_passes): Use new gate.
12548         (execute_early_local_optimizations): New functions.
12549         (gate_all_early_optimizations): New gate.
12550         (pass_all_early_optimizations): New pass.
12551         (execute_free_datastructures): Free SSA only when initialized.
12552         (gate_init_datastructures): Init only when optimizing.
12553         (tree_lowering_passes): Do early local passes when called late.
12554         * tree-profile.c (do_tree_profiling): Don't profile functions added
12555         late.
12556         (do_early_tree_profiling, pass_early_tree_profile): Kill.
12557         * tree-cfg.c (update_modified_stmts): Do not update when operands are
12558         not active.
12559         * passes.c (init_optimizations_passes): Reorder so we go into SSA
12560         during early_local_passes.
12561         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
12562
12563
12564 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
12565
12566         * Makefile.in: Update copyright year.
12567
12568 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
12569
12570         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
12571         in $(lang_checks) and check-consistency targets.
12572
12573 2007-01-02  Jan Hubicka  <jh@suse.cz>
12574
12575         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
12576         Do not add referenced vars.
12577         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
12578         are not active.
12579         * passes.c (init_optimization_passes): Put mudflap_2 after
12580         free_datastructures.
12581
12582 2007-01-02  Jan Hubicka  <jh@suse.cz>
12583
12584         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
12585         Set NOTHROW flag on call statements proved to be nothrow.
12586         Update statement of local calls so new pure/const functions are
12587         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
12588         goto receivers.
12589         (tree_rest_of_compilation): Register hooks and initialize bitmap
12590         early. Do not set after_inlining flag.
12591
12592 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
12593
12594         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
12595         HOST_BITS_PER_LONGLONG
12596
12597 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12598
12599         PR c/19977
12600         * c-typeck.c (store_init_value): Don't emit pedantic overflow
12601         warning for non-static initializers.
12602
12603 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
12604
12605         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
12606         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
12607         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
12608         Always use set_unique_reg_note to add REG_EQUAL notes.
12609
12610 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12611
12612         Revert:
12613         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12614
12615         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12616         * cfgbuild.c (find_basic_blocks): Likewise.
12617         * cfgrtl.c (rtl_create_basic_block): Likewise.
12618         * function.c (temp_slots_at_level): Likewise.
12619         * reg-stack.c (stack_regs_mentioned): Likewise.
12620         * regclass.c (allocate_reg_info): Likewise.
12621         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12622         set_bb_for_stmt, move_block_to_fn): Likewise.
12623         * tree-complex.c (tree_lower_complex): Likewise.
12624         * vec.h (VEC_safe_grow_cleared): New.
12625
12626 2007-01-02  Ian Lance Taylor  <iant@google.com>
12627
12628         * c-common.c (c_common_truthvalue_conversion): When warning about
12629         using an assignment as a truth value, set TREE_NO_WARNING.
12630
12631 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12632
12633         PR middle-end/7651
12634         * c.opt (Wold-style-declaration): New.
12635         * doc/invoke.texi (C-only Warning Options): New.
12636         (Wold-style-declaration): Document it.
12637         (Wextra): Enabled by -Wextra.
12638         * c-opts.c (c_common_post_options): Enabled by -Wextra.
12639         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
12640         -Wold-style-declaration.
12641
12642 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12643
12644         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12645         * cfgbuild.c (find_basic_blocks): Likewise.
12646         * cfgrtl.c (rtl_create_basic_block): Likewise.
12647         * function.c (temp_slots_at_level): Likewise.
12648         * reg-stack.c (stack_regs_mentioned): Likewise.
12649         * regclass.c (allocate_reg_info): Likewise.
12650         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12651         set_bb_for_stmt, move_block_to_fn): Likewise.
12652         * tree-complex.c (tree_lower_complex): Likewise.
12653         * vec.h (VEC_safe_grow_cleared): New.
12654
12655 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
12656
12657         * c-common.c (c_common_nodes_and_builtins): Since variants of
12658         void_type_node get built before it is given a name, we need to
12659         give those variants the name, too.
12660         (complete_array_type): We need to work with the canonical main
12661         type of the array, from which we will build the qualified version.
12662         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
12663         * print-tree.c (print_node): Display canonical type information
12664         for each type.
12665         * stor-layout.c (layout_type): When we don't know the
12666         alignment of a type for which we're building an array, we end up
12667         guessing wrong, so make the type require structural equality.
12668         * tree.c (make_node_stat): When we build a new type, it is its
12669         own canonical type.
12670         (build_type_attribute_qual_variant): When building an attribute
12671         variant, its canonical type is the non-attribute variant. However,
12672         if the attributes are target-dependent and they differ, we need to
12673         use structural equality checks for this type.
12674         (build_qualified_type): A qualified type is not equivalent to its
12675         unqualified variant; set the canonical type appropriately.
12676         (build_distinct_type_copy): When building a distinct type from
12677         another type, the new type is its own canonical type.
12678         (build_variant_type_copy): When building a new type variant, we
12679         assume that it is equivalent to the original type.
12680         (build_pointer_type_for_mode): When building a pointer type, also
12681         build a canonical type pointer.
12682         (build_reference_type_for_mode): When building a reference type,
12683         also build a canonical type reference.
12684         (build_index_type): When we can't hash an index type (e.g.,
12685         because its maximum value is negative), the index type requires
12686         structural equality tests.
12687         (build_array_type): Build the canonical form of an array type.
12688         (build_function_type): Function types require structural equality,
12689         because they contain default arguments, attributes, etc.
12690         (build_method_type_directly): Ditto for method types.
12691         (build_offset_type): Build the canonical offset type.
12692         (build_complex_type): Build the canonical vector type.
12693         (make_vector_type): Build the canonical vector type.
12694         * tree.h (TYPE_CANONICAL): New.
12695         (TYPE_STRUCTURAL_EQUALITY_P): New.
12696         (SET_TYPE_STRUCTURAL_EQUALITY): New.
12697         (struct tree_type): Added "canonical" field.
12698         * params.h (VERIFY_CANONICAL_TYPES): New.
12699         * doc/c-tree.texi (TYPE_CANONICAL): Document.
12700         (TYPE_STRUCTURAL_EQUALITY_P): Document.
12701         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
12702         * doc/invoke.texi (verify-canonical-types): Document --param
12703         parameter for verifying canonical types.
12704
12705 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12706
12707         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
12708         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
12709         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
12710         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
12711         tm_file.
12712         * config/rs6000/e500.h: New.
12713         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
12714         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
12715         Remove.
12716         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
12717         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
12718         TARGET_E500_DOUBLE): Remove.
12719         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
12720         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
12721         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
12722         * config/rs6000/rs6000.c (rs6000_override_options): Use
12723         CHECK_E500_OPTIONS.
12724
12725 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12726
12727         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
12728         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
12729         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
12730         rs6000_emit_cmove): Don't check TARGET_E500.
12731         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
12732         sordered): Don't check TARGET_E500.
12733
12734 2007-01-01  Eric Christopher  <echristo@apple.com>
12735
12736         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
12737         HARD_REGISTER_NUM_P.
12738
12739 2007-01-01  Roger Sayle  <roger@eyesopen.com>
12740
12741         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
12742         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
12743         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
12744         eq/ne Y".
12745
12746 2007-01-01  Mike Stump  <mrs@apple.com>
12747
12748         * configure.ac: Remove support for building with Apple's gcc-3.1.
12749
12750 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12751
12752         PR middle-end/30311
12753         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
12754         REG is a hard register.  Do not modify REG before calling
12755         subreg_nregs.
12756         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
12757         multiple of the size of YMODE for certain lowpart cases.
12758
12759 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12760
12761         PR middle-end/30253
12762         * gimplify (voidify_wrapper_expr): Update for
12763         GIMPLE_MODIFY_STMT.
12764
12765 2007-01-01  Andreas Schwab  <schwab@suse.de>
12766
12767         PR target/29166
12768         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
12769         save of BR0 in extra_spill_size instead of spill_size.
12770         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
12771         area.
12772         (ia64_expand_epilogue): Restore BR0 from its new location.
12773
12774 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12775
12776         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
12777         Use a temporary variable if the left hand side is not a gimple
12778         register.
12779
12780 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12781
12782         * gimplify.c (gimplify_return_expr): Make the temporary variable
12783         for the return expression, a gimple register variable.
12784
12785 2007-01-01  Jan Hubicka  <jh@suse.cz>
12786
12787         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
12788         INSN_LIST.
12789
12790 2007-01-01  Mike Stump  <mrs@apple.com>
12791
12792         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
12793         .literal16.
12794         * config/darwin.c (machopic_select_rtx_section): Use
12795         HAVE_GAS_LITERAL16.
12796         (darwin_mergeable_constant_section): Likewise.
12797         * configure: Regenerate.
12798         * config.in: Regenerate.
12799
12800 2007-01-01  Jan Hubicka  <jh@suse.cz>
12801             Andrew Pinski  <pinskia@gmail.com>
12802
12803         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
12804         before starting IPA passes.