PR 31794
[official-gcc.git] / gcc / ChangeLog
blob9d6c0db9e02cf8bb48b663e596ca7eb026e15969
1 2007-05-07  DJ Delorie  <dj@redhat.com>
3         PR 31794
4         * config/m32c/shift.md (ashlpsi3_i, ashrpsi3_i, ashlpsi3,
5         ashrpsi3, lshrpsi3): Update shift count constraint.
7 2007-05-07  Danny Smith  <dannysmith@users.sourceforge.net>
8             Nathan Froyd  <froydnj@codesourcery.com
10         PR 22133
11         * c-incpath.c (add_path): Strip trailing path separators.
13 2007-05-07  Eric Botcazou  <ebotcazou@adacore.com>
15         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Reset cfg_altered.
16         Free dominance info before purging EH edges.
17         (eliminate_degenerate_phis): Likewise.
18         (propagate_rhs_into_lhs): Set cfg_altered to true instead of 1.
20 2007-05-07  Jan Hubicka  <jh@suse.cz>
22         * gimplify.c (gimplify_expr): Do not crash when folding
23         (void *)(int)&a + 4.
25 2007-05-07  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
27         PR driver/31694
28         * c-opts.c (lang_fortran): Make it non static.
29         * c-common.h (lang_fortran): New prototype.
30         * c-cppbuiltin.c (c_cpp_builtins): Create a __GFORTRAN__ if the
31         -lang-fortran option was passed by the driver.
33 2007-05-06  Eric Botcazou  <ebotcazou@adacore.com>
35         * timevar.c (timevar_print): Test ENABLE_ASSERT_CHECKING instead
36         of ASSERT_CHECKING.  Tweak message.
38 2007-05-06  Revital Eres  <eres@il.ibm.com>
40         PR 30957
41         * loop-unroll.c (insert_var_expansion_initialization):
42         Initialize the expansions with -zero instead of +zero.
44 2007-05-05  Aurelien Jarno  <aurelien@aurel32.net>
46         * config/pa/pa.md: Split tgd_load, tld_load and tie_load
47         into pic and non-pic versions. Mark r19 as used for 
48         tgd_load_pic, tld_load_pic and tie_load_pic. Mark r27 as used 
49         for tgd_load, tld_load and tie_load .
50         * config/pa/pa.c (legitimize_tls_address): Emit pic or non-pic
51         version of tgd_load, tld_load and tie_load depending on the 
52         value of flag_pic.
54 2007-05-04  Ulrich Drepper  <drepper@redhat.com>
55             Jakub Jelinek  <jakub@redhat.com>
57         * crtstuff.c (HIDDEN_DTOR_LIST_END): New macro.
58         (__do_global_dtors_aux): Use more paranoid loop to run
59         destructors if HIDDEN_DTOR_LIST_END.
60         (__DTOR_END__): Export as a hidden symbol when HIDDEN_DTOR_LIST_END.
62 2007-05-04  Jakub Jelinek  <jakub@redhat.com>
64         * varasm.c (align_variable): Don't increase alignment for
65         DECL_THREAD_LOCAL_P variables above BITS_PER_WORD through
66         DATA_ALIGNMENT or CONSTANT_ALIGNMENT.
68 2007-05-04  Josh Conner  <jconner@apple.com>
70         * basic-block.h (cdi_direction): Assign values to all enumeration
71         constants.
72         (dom_computed): Remove.
73         (dom_info_state): New.
74         (set_dom_info_availability): New.
75         * tree-ssa-loop-im.c (determine_invariantness): Initialize
76         walk_data.dom_direction.
77         * cfghooks.c (delete_basic_block): Use dom_info_available_p()
78         instead of dom_computed[].
79         (split_edge): Likewise.
80         (create_basic_block): Likewise.
81         (merge_blocks): Likewise.
82         * ifcvt.c (find_if_header): Likewise.
83         * tree-cfgcleanup.c (cleanup_tree_cfg): Likewise.
84         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
85         * tree-ssa.c (verify_ssa): Likewise.
86         * tree-cfg.c (tree_verify_flow_info): Likewise.
87         (remove_edge_and_dominated_blocks): Likewise.
88         * dominance.c (dom_computed): Make static.
89         (calc_dfs_tree_nonrec): Change third param to a bool.
90         (calc_dfs_tree): Change second param to a bool.
91         (calc_idioms): Change second param to a bool.  Use
92         dom_convert_dir_to_idx.
93         (init_dom_info): Validate dir before using.
94         (dom_convert_dir_to_idx): New.
95         (calculate_dominance_info): Use dom_convert_dir_to_idx.  New
96         variable 'reverse' used for calling calc_dfs_tree and calc_idoms.
97         (free_dominance_info): Use dom_convert_dir_to_idx.
98         (get_immediate_dominator): Likewise.
99         (set_immediate_dominator): Likewise.
100         (get_dominated_by): Likewise.
101         (redirect_immediate_dominators): Likewise.
102         (nearest_common_denominator): Likewise.
103         (dominated_by_p): Likewise.
104         (bb_dom_dfs_in): Likewise.
105         (bb_dom_dfs_out): Likewise.
106         (recount_dominator): Likewise.
107         (iterate_fix_dominators): Likewise.
108         (add_to_dominance_info): Likewise.
109         (delete_from_dominance_info): Likewise.
110         (first_dom_son): Likewise.
111         (next_dom_son): Likewise.
112         (dom_info_available_p): Likewise.
113         (dom_info_state): New.
114         (set_dom_info_availability): New.
116 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
118         * config/s390/s390.md ("fix_trunc<mode>di2", "fix_trunc<mode>si2"):
119         Expander removed.
120         ("fix_trunc<DSF:mode><GPR:mode>2"): Expander added.
122 2007-05-04  Bob Wilson  <bob.wilson@acm.org>
123         
124         * config/xtensa/xtensa.md (adddi3, adddi_carry): Delete.
125         (subdi3, subdi_carry): Delete.
126         
127 2007-05-04  Jan Hubicka  <jh@suse.cz>
128             Richard Guenther  <rguenther@suse.de>
130         * opts.c (decode_options): Do not fiddle with inlining
131         parameters in case of optimizing for size.
132         * ipa-inline.c (cgraph_decide_recursive_inlining): When optimizing
133         for size do nothing.
134         (cgraph_decide_inlining_of_small_function): When optimizing for
135         size never inline functions increasing caller size.
136         (cgraph_early_inlining): Inline for size when optimizing for size.
138 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
140         * config/bfin/bfin.md (<optab>di3): Now a define_expand which expands
141         logical operations piecewise.
142         (<optab>di_zesidi_di, <optab>di_sesidi_di, negdi2, one_cmpldi2,
143         zero_extendsidi2, subdi_di_zesidi, subdi_zesidi_di, subdi_di_sesidi,
144         subdi_sesidi_di): Delete.
145         (add_with_carry): Produce carry in CC instead of a DREG to shorten
146         the generated sequence.  Allow three-reg add in constraints.  Rewrite
147         the rtl expression for carry to avoid zero_extend of a constant.
148         (sub_with_carry): New pattern.
149         (adddi3, subdi3): Change into define_expand.  For subtract, generate a
150         different sequence not involving jumps.
151         (notbi): Now a named pattern.
153 2007-05-04  Bradley Lucier  <lucier@math.purdue.edu>
155         * doc/invoke.texi (i386 and x86-64 Options) [-mpc32, -mpc64, -mpc80]:
156         Add the note about a significant loss of accuracy of some
157         mathematical routines when these options are used.
159 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
161         * haifa-sched.c (rtx_vec_t): New typedef.
162         (contributes_to_priority_p): Extract piece of priority () into new
163         static function.
164         (priority): Use the function.  Add assertion.
165         (rank_for_schedule, set_priorities): Add assertion to check that
166         insn's priority is initialized.
167         (clear_priorities, calc_priorities): Change signature.  Make it update
168         all relevant insns.  Update all callers ('add_to_speculative_block ()'
169         and 'create_block_check_twin ()').
170         * sched-int.h (struct haifa_insn_data): Remove field 'priority_known'.
171         Add new field 'priority_status'.
172         (INSN_PRIORITY_STATUS): New macro.
173         (INSN_PRIORITY_KNOWN): Change to use INSN_PRIORITY_STATUS.
175 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
177         * sched-ebb.c (debug_ebb_dependencies): New static function.
178         (init_ready_list): Use it.
180         * sched-rgn.c (debug_dependencies): Split into 'debug_dependencies ()'
181         with changed signature and 'debug_rgn_dependencies ()'.
182         (debug_rgn_dependencies): New static function.
183         (init_ready_list): Use it.
184         
185         * sched-int.h (debug_dependencies): Declare.
187 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
189         * libgcc-std.ver (__ffssi2): Added to GCC_4.3.0 section.
191 2007-05-04  Dirk Mueller  <dmueller@suse.de>
193         * c.opt(Wmain,ffreestanding): Enable for C++,ObjC++.
195 2007-05-03  Jan Hubicka  <jh@suse.cz>
197         * fold-const.c (fold_unary): Convert (T1)(X op Y) into ((T1)X op (T1)Y),
198         for pointer type in more cases than before.
200         * gimplify.c (gimplify_expr): Fold (void *)&a + 4.
202         * tree-object-size.c (plus_expr_object_size): When operand size is
203         unknown, return unknown.
205 2007-05-03  Dirk Mueller  <dmueller@suse.de>
207         * doc/invoke.texi (-m386,-m486,-mpentium,-mpentiumpro): Remove.
209         * config/i386/i386.h (CC1_CPU_SPEC): Remove handling for deprecated
210         options.
212         * config/i386/i386.opt (m386,m486,mpentium,mpentiumpro): Remove.
214 2007-05-03  Janis Johnson  <janis187@us.ibm.com>
216         * doc/sourcebuild.texi (Test Directives) Clarify dg-excess-errors.
218 2007-05-03  Joseph Myers  <joseph@codesourcery.com>
220         * config/soft-fp/double.h, config/soft-fp/extended.h,
221         config/soft-fp/floatundidf.c, config/soft-fp/floatundisf.c,
222         config/soft-fp/floatunsidf.c, config/soft-fp/floatunsisf.c,
223         config/soft-fp/op-2.h, config/soft-fp/op-4.h,
224         config/soft-fp/op-common.h, config/soft-fp/quad.h: Update from
225         glibc CVS.
227 2007-05-03  Ian Lance Taylor  <iant@google.com>
229         * config/rs6000/rs6000.c (rs6000_override_options): Don't set
230         MASK_PPC_GFXOPT for 8540 or 8548.
232 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
234         * tree-vect-transform.c (vect_update_inits_of_drs): Use
235         vect_print_dump_info() to output debug information.
237 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
239         PR target/31768
240         * config/i386/i386.c (print_operand) ['z']: Output 'w' for
241         operands of size 2 when operand is not MEM_P.
243 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
245         PR tree-optimization/30565
246         * lambda-code.c (perfect_nestify): Fix updating of dominators.
248 2007-05-03  Bernd Schmidt  <bernd.schmidt@analog.com>
250         * config/bfin/bfin.md (addpdi3, us_truncpdisi2): New patterns.
251         (umulsi3_highpart): Use them.
252         * config/bfin/lib1funcs.asm (__umulsi3_highpart): Use unsigned move
253         for final accumulator to D regisster tranfser.
255 2007-05-03  Dorit Nuzman  <dorit@il.ibm.com>
257         PR tree-optimization/31699
258         * tree-vect-analyze.c (vect_update_misalignment_for_peel): Remove wrong
259         code.
260         (vect_enhance_data_refs_alignment): Compute peel amount using 
261         TYPE_VECTOR_SUBPARTS instead of vf.     
262         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Likewise.
264 2007-05-02  Brooks Moses  <brooks.moses@codesourcery.com>
266         PR bootstrap/31776
267         * system.h: Remove inclusion of double-int.h
268         * tree.h: Include double-int.h
269         * gengtype.c: Likewise
270         * cfgloop.h: Likewise
271         * Makefile.in: Adjust dependencies on double-int.h
273 2007-05-02  Eric Christopher  <echristo@apple.com>
275         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Translate
276         -shared to -Zdynamiclib.
278 2007-05-02  Seongbae Park  <seongbae.park@gmail.com>
280         PR c++/31663
281         * c-common.c (strip_pointer_or_array_types): New function.
282         * c-common.h (strip_pointer_or_array_types): New function declaration.
284 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
286         PR tree-optimization/31771
287         * tree-cfg.c (move_block_to_fn): Assign bb to the correct index.
289 2007-05-02  Paul Brook  <paul@codesourcery.com>
291         * config/arm/bpabi.S (aeabi_lcmp): Fix result on overflow.
293 2007-05-02  Andrew Pinski  <andrew_pinski@playstation.sony.com>
295         PR middle-end/29715
296         * fold-const.c (fold_comparision): Remove the "foo++ == CONST"
297         transformation.
299 2007-05-02  Nick Clifton  <nickc@redhat.com>
301         * config/frv/predicates.md (symbolic_operand): Accept CONSTs.
303 2007-05-02  Richard Guenther  <rguenther@suse.de>
305         PR tree-optimization/31146
306         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
307         argument, single_use_p.  If we have a single use that is
308         a conversion to the definition rhs type, propagate that rhs.
309         (forward_propagate_addr_expr): Pass single_use_p argument
310         to forward_propagate_addr_expr_1.
312 2007-05-01  H.J. Lu  <hongjiu.lu@intel.com>
314         * config/i386/i386.c (ix86_expand_sse_comi): Remove unused
315         variable.
317 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
319         * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of
320         'AMD Family 10 core'.
322 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
324         * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3
325         and athlon64-sse3 as improved versions of k8, opteron and athlon64
326         with SSE3 instruction set support.
327         * doc/invoke.texi: Likewise.
329 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
331         * config/i386/i386.c (override_options): Tuning 32-byte loop
332         alignment for amdfam10 architecture. Increasing the max loop
333         alignment to 24 bytes.
335 2007-05-01  Kazu Hirata  <kazu@codesourcery.com>
337         * config/m68k/constraints.md: New.
338         * config/m68k/m68k.h (REG_CLASS_FROM_LETTER,
339         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
340         EXTRA_CONSTRAINT): Remove.
341         * config/m68k/m68k.md: Include constraints.md.
342         * expr.c (expand_expr_real_1): Copy DECL_RTL before using it.
344 2007-05-01  Ian Lance Taylor  <iant@google.com>
346         PR tree-optimization/31739
347         * tree-vrp.c (vrp_val_is_max): New static function.
348         (vrp_val_is_min): New static function.
349         (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
350         copying the node.
351         (set_value_range): Use vrp_val_is_{max,min}.
352         (extract_range_from_assert): Likewise.
353         (extract_range_from_binary_expr): Likewise.
354         (extract_range_from_unary_expr): Likewise.
355         (dump_value_range, vrp_meet): Likewise.
356         (vrp_visit_phi_node): Likewise.
357         * tree.c (build_distinct_type_copy): Revert change of 2007-04-27.
359 2007-05-01  Mark Mitchell  <mark@codesourcery.com>
361         * config/i386/gmon-sol2.c (size_t): New type.
362         (intptr_t): Likewise.
363         (s_textsize): Declare as size_t.
364         (sbrk): Declare.
365         (monstartup): Use size_t for sizes.
366         (_mcount): Save and restore registers.
367         (internal_mcount): Pass 0 as the first argument to monstartup
368         in 64-bit mode.
369         (moncontrol): Convert pointer to appropriately sized integer
370         before passing to profil.
372 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
374         * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if
375         __NO_FPRS__, not just if _SOFT_DOUBLE.
376         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise.
377         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord
378         also for E500 double.
379         * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt,
380         suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT
381         && !TARGET_FPRS).
383 2007-05-01  Richard Guenther  <rguenther@suse.de>
385         * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt
386         is NULL.
388 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
390         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
392 2007-05-01  Jan Hubicka  <jh@suse.cz>
394         * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is
395         invariant.
397 2007-05-01  Jan Hubicka  <jh@suse.cz>
399         * tree.h (maybe_fold_offset_to_component_ref): Remove.
400         (maybe_fold_offset_to_reference): Declare.
401         * fold-const.c (fold_unary): Do not fold
402         (type *)&A into &A->field_of_type_and_offset_0
403         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type
404         size is unknown, give up.
405         (maybe_fold_offset_to_component_ref): Ignore firelds with unknown
406         offsets.
407         (maybe_fold_offset_to_reference): New.
408         (maybe_fold_stmt_indirect): Use it.
409         (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset.
410         * gimplify.c (gimplify_conversion): Canonicalize conversions to
411         field references.
412         (gimplify_expr): Likewise for plus_expr.
414 2007-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
416         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
417         bsi_after_labels.  Always insert statements before bsi.
418         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
419         * predict.c (apply_return_prediction): Check for empty blocks.
420         * cfgexpand.c (lab_rtx_for_bb): New variable.
421         (label_rtx_for_bb): Do not create new tree labels.
422         (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
423         (tree_expand_cfg): Initialize lab_rtx_for_bb.
424         * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
425         creating edges.
426         (label_for_bb): Add field used.
427         (update_eh_label, main_block_label): Mark the label used.
428         (cleanup_dead_labels): Remove unused labels.
430 2007-05-01  Richard Guenther  <rguenther@suse.de>
432         * tree-vrp.c (set_value_range): Do not allocate equiv bitmap
433         if it is not about to be set.
434         (get_value_range): Do not pre-allocate equiv bitmap.
435         (update_value_range): No need to clear equiv field.
436         (add_equivalence): Change prototype to get bitmap pointer.
437         Allocate bitmap here if it is not already.
438         (extract_range_from_assert): Do not allocate bitmap here.
439         Update callers to add_equivalence.
440         (extract_range_from_ssa_name): Likewise.
441         (get_vr_for_comparison): New static helper.
442         (compare_name_with_value): Handle NULL equiv bitmap by
443         peeling the first iteration of the comparison loop.
444         Use get_vr_for_comparison.
445         (compare_names): Handle NULL equiv bitmaps by using fake
446         ones.  Use get_vr_for_comparison.
448 2007-04-30  Brooks Moses  <brooks.moses@codesourcery.com>
450         * double-int.c (mpz_set_double_int): Moved from
451         tree-ssa-loop-niter.c.
452         (mpz_get_double_int): Likewise; also, add option to wrap
453         out-of-range integers.
454         * double-int.h: New prototypes for above.
455         * tree.c (get_static_type_bounds): Moved from
456         tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
457         TYPE_MAX_VALUE if they exist..
458         * tree.h: New prototype for above.
459         * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
460         get_type_bounds calls.
461         (mpz_set_double_int): Move to double-int.c.
462         (get_type_bounds): Move to tree.c, rename to
463         get_static_type_bounds.
464         (mpz_to_double_int): Move to double-int.c, rename to
465         mpz_get_double_int.
467 2007-04-30  Bob Wilson  <bob.wilson@acm.org>
469         * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
470         DIV0 exception can fall through to a normal return.
472 2007-04-30  Alexandre Oliva  <aoliva@redhat.com>
474         PR middle-end/22156
475         Temporarily revert:
476         2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
477         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
478         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
479         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
480         initialize align to silence bogus warning.
481         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
482         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
483         all_no_warning.
484         (struct sra_walk_fns): Remove use_all parameter from use.
485         (sra_hash_tree): Handle BIT_FIELD_REFs.
486         (sra_elt_hash): Don't hash bitfld blocks.
487         (sra_elt_eq): Skip them in parent compares as well.  Handle
488         BIT_FIELD_REFs.
489         (sra_walk_expr): Don't maintain or pass down use_all_p.
490         (scan_use): Remove use_all parameter.
491         (scalarize_use): Likewise.  Re-expand assignment to
492         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
493         output, and re-scalarize after output.  Don't mark anything
494         for no warning.
495         (scalarize_ldst): Adjust.
496         (scalarize_walk_gimple_modify_statement): Likewise.
497         (build_element_name_1): Handle BIT_FIELD_REFs.
498         (instantiate_element): Don't warn for any element whose parent
499         is used as a whole.
500         (instantiate_missing_elements_1): Return the sra_elt.
501         (canon_type_for_field): New.
502         (try_instantiate_multiple_fields): New.
503         (instantiate_missing_elemnts): Use them.
504         (mark_no_warning): Removed.
505         (generate_one_element_ref): Handle BIT_FIELD_REFs.
506         (REPLDUP, sra_build_elt_assignment): New.
507         (generate_copy_inout): Use them.
508         (generate_element_copy): Likewise.  Handle bitfld differences.
509         (generate_element_zero): Don't recurse for blocks.  Use
510         sra_build_elt_assignment.
511         (generate_one_element_int): Take elt instead of var.  Use
512         sra_build_elt_assignment.
513         (generate_element_init_1): Adjust.
514         (scalarize_use, scalarize_copy): Use REPLDUP.
515         (scalarize_ldst): Move assert before dereference.
516         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
518 2007-04-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
520         PR C++/31721
521         * tree.c (reconstruct_complex_type): Reconstruct a reference
522         correctly.
523         Also use the same mode for the pointer as the old pointer type.
525 2007-04-30  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
527         * doc/trouble.texi (Interoperation): Remove note about Ultrix
528         Fortran compiler.
530 2007-04-29  Zdenek Dvorak  <dvorakz@suse.cz>
532         PR rtl-optimization/31676
533         * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
534         (df_refs_record): Call it.
536 2007-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
538         * rtl.def (SS_ABS): New code.
539         * config/bfin/bfin.c (print_operand): New modifier 'v'.
540         (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
541         BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
542         BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
543         (bfin_init_builtins): Define them.
544         (bdesc_1arg, bdesc_2arg): Add some of them here, ...
545         (bfin_expand_builtin): ... and handle the others here.
546         * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
547         flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
548         (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
549         (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
550         operand is only HImode.
552 2007-04-29  Steven Bosscher  <steven@gcc.gnu.org>
554         * regclass.c (scan_one_insn): Remove splitting of
555         two address insns.
557 2007-04-28  Sandra Loosemore  <sandra@codesourcery.com>
558             Nigel Stephens  <nigel@mips.com>
560         * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
562 2007-04-28  Jan Hubicka  <jh@suse.cz>
564         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
565         insn_locators_alloc instead of insn_locators_initialize;
566         call reset_block_changes.
567         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
568         * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
569         * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
570         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
571         * config/score/score.c (th_output_mi_thunk): Likewise.
572         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
573         * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
574         tolerate uninitialized locator info.
576         Re-apply:
577         * function.c (init_function_start): Don't init line number info.
578         (expand_function_end): Update.
579         (reset_block_changes, record_block_change, finalize_block_changes,
580         check_block_change, free_block_changes): Kill.
581         * function.h (reset_block_changes, record_block_change,
582         finalize_block_changes, check_block_change, free_block_changes): Remove
583         prototypes.
584         (struct function): Remove ib_boundaries_block.
585         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
586         Use curr_insn_locator to initialize locator.
587         (emit_line_note): Remove.
588         * cfgexpand.c (expand_gimple_cond_expr): Update.
589         (construct_exit_block): Likewise.
590         (tree_expand_cfg): Initialize/finalize locators.
591         * expr.c (expand_expr_real): Update.
592         * cfglayout.c (line_locators_locs, line_locators_lines,
593         file_locators_locs, file_locators_files): Remove.
594         (set_block_levels): Move to cfgexpand.c.
595         (insn_locators_initialize): Remove.
596         (pass_insn_locators_initialize): Remove.
597         (locations_locators_locs, locations_locators_vals): New static vars.
598         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
599         Likewise.
600         (insn_locators_alloc, insn_locators_finalize,
601         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
602         New functions.
603         (locator_location): New.
604         (locator_line, locator_file): Rewrite.
605         * rtl.h (emit_line_note): Kill.
606         (insn_locators_alloc, insn_locators_finalize,
607         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
608         Declare.
609         * tree-inline.c (initialize_cfun): Do not initialize
610         ib_boundaries_block.
611         * passes.c (pass_insn_locators_initialize): Remove.
613 2007-04-28  Zdenek Dvorak  <dvorakz@suse.cz>
615         * tree-cfg.c (move_block_to_fn): Release bb from dominance
616         info.  Update last_basic_block correctly.
618 2007-04-27  Kaz Kojima  <kkojima@gcc.gnu.org>
620         PR target/31701
621         * config/sh/sh.c (output_stack_adjust): Avoid using the frame
622         register itself to hold the offset constant.  Tell flow the use
623         of r4 and r5 when they are used.
625 2007-04-27  Richard Guenther  <rguenther@suse.de>
627         * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
628         if we simplified anything.
629         (tree_ssa_forward_propagate_single_use_vars): Defer overflow
630         warnings until we did a simplification and the stmt was not
631         marked as TREE_NO_WARNING.
633 2007-04-27  Mike Stump  <mrs@apple.com>
635         * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
637 2007-04-27  Ian Lance Taylor  <iant@google.com>
639         PR middle-end/31710
640         * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
641         TYPE_MAX_VALUE exist, convert them to the new type.
643 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
645         * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
646         if it claims to be available.
647         * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
648         edge is redirected.
649         (perform_tree_ssa_dce): Always free postdominators.
651 2007-04-27  Richard Henderson  <rth@redhat.com>
653         * config/alpha/predicates.md (aligned_memory_operand): Mark
654         as define_special_predicate.
655         (unaligned_memory_operand, normal_memory_operand): Likewise.
656         (reg_or_unaligned_mem_operand): Remove.
657         (any_memory_operand): Match the documentation and check for
658         non-renumbered pseudos during reload.
659         * config/alpha/alpha.c (alpha_secondary_reload): Rename from
660         alpha_secondary_reload_class, update to new interface, make static.
661         Handle CQImode like HImode.  Remove FP subreg check.
662         (alpha_expand_mov): Use replace_equiv_address.
663         (alpha_expand_mov_nobwx): Use any_memory_operand.
664         (TARGET_SECONDARY_RELOAD): New.
665         * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
666         (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
667         * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
668         * config/alpha/alpha.md: ... here.
669         (RELOAD12, reloadmode): New.
670         (movcqi): New.
671         (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
672         Don't handle the aligned case here.
673         (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
674         (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
675         reload_inhi_help.  Don't expect a scratch register.
676         (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
677         reload_outhi_help.
678         * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
680 2007-04-27  Richard Guenther  <rguenther@suse.de>
682         * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
684 2007-04-27  Richard Guenther  <rguenther@suse.de>
686         PR tree-optimization/30965
687         PR tree-optimization/30978
688         * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
689         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
690         (find_equivalent_equality_comparison): Likewise.
691         (simplify_cond): Likewise.
692         (get_prop_source_stmt): New helper.
693         (get_prop_dest_stmt): Likewise.
694         (can_propagate_from): Likewise.
695         (remove_prop_source_from_use): Likewise.
696         (combine_cond_expr_cond): Likewise.
697         (forward_propagate_comparison): New function.
698         (forward_propagate_into_cond): Rewrite to use fold for
699         tree combining.
700         (tree_ssa_forward_propagate_single_use_vars): Call
701         forward_propagate_comparison to propagate comparisons.
703 2007-04-27  Richard Guenther  <rguenther@suse.de>
705         PR tree-optimization/31715
706         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
707         sure to do computation on the offset in an appropriate
708         signed type.
710 2007-04-27  Richard Sandiford  <richard@codesourcery.com>
712         * reload.h (elimination_target_reg_p): Declare.
713         * reload.c (find_reloads): Don't apply the reg_rtx move
714         optimization if the SET_DEST satisfies elimination_target_reg_p.
715         * reload1.c (elimination_target_reg_p): New function.
716         (gen_reload): In the move/add2 fallback, make sure that op0
717         does not overlap the destination register.
719 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
721         * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
722         transform only GIMPLE_MODIFY_STMTs.
723         * tree-complex.c (expand_complex_operations_1): Ditto.
724         (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
725         * tree-ssa-loop-manip.c (build_if_stmt): Removed.
726         (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
727         branches.
728         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
729         tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
730         * omp-low.c (expand_parallel_call, expand_omp_for_generic,
731         expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
732         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
733         slpeel_add_loop_guard): Ditto.
734         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
735         * lambda-code.c (perfect_nestify): Ditto.
736         * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
737         before the first statement.
738         * tree-optimize.c (execute_free_datastructures): Fix comments.
739         (execute_free_cfg_annotations): Do not call disband_implicit_edges.
740         * tree-flow.h (disband_implicit_edges): Declaration removed.
741         * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
742         branches.
743         (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
744         without gotos.
745         (disband_implicit_edges, has_label_p): Removed.
746         (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
747         (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
748         branches.
749         * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
750         side effects.
751         * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
752         also for COND_EXPRs.
753         * cfgexpand.c (label_rtx_for_bb): New function.
754         (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
755         Use label_rtx_for_bb to find the labels.
756         (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
757         last block.  Detect fallthru edges.
759 2007-04-26  Ian Lance Taylor  <iant@google.com>
761         PR target/28675
762         * reload.c (find_reloads_subreg_address): If the address was valid
763         in the original mode but not in the new mode, reload the whole
764         address.
766 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
768         * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
769         (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
770         (cleanup_control_expr_graph): Do not invalidate dominance info.
771         Record altered blocks.
772         (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
773         (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
774         cleanup_tree_cfg_bb): New functions.
775         (remove_forwarder_block): Do not maintain the worklist of blocks.
776         Record altered blocks.
777         (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
778         not over whole cfg.
779         (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1.  Only call
780         delete_unreachable_blocks if dominators are not available.
781         * tree-inline.c (optimize_inline_calls): Free dominance information
782         earlier.
783         * tree-flow.h (remove_edge_and_dominated_blocks,
784         cfgcleanup_altered_bbs): Altered.
785         * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
786         blocks.
787         (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
788         functions.
789         (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
790         do not invalidate dominators.
792 2007-04-26  Anatoly Sokolov <aesok@post.ru>
794         * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
795         ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
796         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
797         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
799 2007-04-26  Steve Ellcey  <sje@cup.hp.com>
801         * config/ia64/ia64.md (ip_value):  Fix itanium_class attribute.
803 2007-04-26  Richard Guenther  <rguenther@suse.de>
805         PR tree-optimization/31703
806         * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
807         the right type for the target of the bittest.
809 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
811         * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
812         ix86_sol10_return_in_memory.
814 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
816         * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
817         variables.
819 2007-04-26  Jakub Jelinek  <jakub@redhat.com>
821         PR c++/31598
822         * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
824         PR tree-optimization/30558
825         * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
826         clear this_state.prev_try.
828 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
829             Mark Mitchell  <mark@codesourcery.com>
831         * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
832         * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
833         * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
835 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
837         PR driver/31107
838         * doc/invoke.texi (%:print-asm-header): Document.
839         * gcc.c (asm_options): Use %:print-asm-header() for --target-help
840         and -ftarget-help.
841         (static_spec_functions): Add print-asm-header.
842         (main): Print a banner before the --target-help linker options.
843         (print_asm_header_spec_function): New function.
845 2007-04-25  Kaz Kojima  <kkojima@gcc.gnu.org>
847         PR target/31403
848         * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
849         (movsf_ie): Likewise.
851 2007-04-25  Paolo Carlini  <pcarlini@suse.de>
853         * doc/extend.texi ([Type Traits]): Adjust per N2255.
855 2007-04-25  Bob Wilson  <bob.wilson@acm.org>
857         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an exception
858         for divide-by-zero.
859         (__umodsi3, __modsi3): Likewise.
861 2007-04-25  Dirk Mueller  <dmueller@suse.de>
863         * c-typeck.c (build_compound_expr): Annotate warning()
864         call with OPT_Wunused_value.
865         * tree-ssa.c (warn_uninit): Annotate warning with
866         OPT_Wunintialized.
867         * c-common.c (handle_sentinel_attribute): Annotate warning
868         call with OPT_Wattributes.
870 2007-04-25  Thiemo Seufer  <ths@mips.com>
872         * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
873         (mips16): Fix typo.
874         * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
875         on to the assembler.  Improve handling of -mno-mips16.  Add handling
876         of -mno-mips3d, -mno-dsp, -mno-dspr2.
877         * doc/invoke.texi (MIPS Options): Whitespace cleanup.  Fix wrong use
878         of @itemx.  Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
879         -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
881 2007-04-25  Danny Smith  <dannysmith.users.sourceforge.net>
883         PR target/31680
884         * config/i386/winnt.c (i386_pe_file_end): Strip only
885         USER_LABEL_PREFIX when writing export name.
887 2007-04-25  Richard Sandiford  <richard@codesourcery.com>
889         * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h.  Include
890         sh/elf.h, vx-common.h and vxworks.h.
891         * config/sh/sh.h: Include config/vxworks-dummy.h.
892         (SUBTARGET_OVERRIDE_OPTIONS): Define.
893         (OVERRIDE_OPTIONS): Use it.
894         * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
895         (vxworks_picreg): New pattern.
896         * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
897         VXWORKS_OS_CPP_BUILTINS.
898         (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
899         to their VXWORKS_* equivalents.
900         (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
901         (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
902         * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
903         (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
904         * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
905         -mrtp/-fPIC multilibs.
906         (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
907         (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
908         (MULTILIB_OSDIRNAMES): Delete.
910 2007-04-25  Anatoly Sokolov <aesok@post.ru>
912         PR target/18989
913         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
915 2007-04-24  Brooks Moses  <brooks.moses@codesourcery.com>
917         * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
918         rounding mode to be specified by the caller.
919         (real_to_mpfr) Likewise.
920         * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
921         include new arguments.
922         * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
924 2007-04-24  Ian Lance Taylor  <iant@google.com>
926         PR tree-optimization/31605
927         * tree-vrp.c (set_value_range): Check that min and max are not
928         both overflow infinities.
929         (set_value_range_to_value): New static function.
930         (extract_range_from_binary_expr): Call set_value_range_to_value.
931         (extract_range_from_cond_expr): Likewise.
932         (extract_range_from_expr): Likewise.
933         (extract_range_from_unary_expr): Likewise.  Don't create a range
934         which overflows on both sides.
935         (vrp_meet): Check for a useless range.
936         (vrp_visit_phi_node): If we see a constant which looks like an
937         overflow infinity, turn off the TREE_OVERFLOW flag.
939 2007-04-24  Ian Lance Taylor  <iant@google.com>
941         * flow.c (elim_reg_cond): Handle a comparison of a subreg.
943 2007-04-24  Simon Martin  <simartin@users.sourceforge.net>
945         PR diagnostic/25923
946         * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
947         diagnostic message is being built.
948         * tree-pretty-print.c (dump_generic_node): Only write the
949         formatted text into BUFFER's stream if we are not building a
950         diagnostic message.
951         * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
952         dump_generic_node.
953         * Makefile.in (toplev.o): Depend on tree-pass.h.
955 2007-04-24  Ian Lance Taylor  <iant@google.com>
957         PR tree-optimization/31602
958         * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
959         conditionals in the copied loop header.
960         * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
961         warnings if TREE_NO_WARNING is set.
962         * doc/invoke.texi (Warning Options): Clarify that
963         -Wstrict-overflow does not warn about loops.
965 2007-04-24  Janis Johnson  <janis187@us.ibm.com>
967         * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
968         expand on the comment about _Decimal128 arguments and check the
969         integer result of the modulus operation; for 64-bit ELF ABI, ensure
970         that _Decimal128 argument uses even/odd register pair.
971         (function_arg): Ditto.
973 2007-04-24  Hui-May Chang <hm.chang@apple.com>
975         * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
976         instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
978 2007-04-24  Richard Guenther  <rguenther@suse.de>
979             Olga Golovanevsky  <olga@il.ibm.com>
981         * fold-const.c (multiple_of_p): Check for bottom
982         to be zero.
984 2007-04-24  Richard Henderson  <rth@redhat.com>
986         * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
987         IS_IBM_EXTENDED.  Also define in terms of WIDEST_HARDWARE_FP_SIZE.
988         * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
989         looking for non-zero bits shifted out.  Avoid a recursive call
990         when constructing the scalar.
991         (__floatundisf): Likewise.
993 2007-04-24  Nathan Froyd  <froydnj@codesourcery.com>
995         * dwarf2out.c (field_byte_offset): Move the existing logic
996         under the control of PCC_BITFIELD_TYPE_MATTERS and just use
997         the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
999 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
1001         PR target/31641
1002         * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length
1003         argument of 0 for memset.
1004         (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
1005         unsigned shift instead of the signed variant.
1007 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
1009         * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
1010         "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
1011         "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
1012         "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
1013         "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
1014         "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
1015         "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
1016         "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
1017         "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
1018         ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
1019         "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
1020         "mul<mode>3", "div<mode>3"): Insn definitions added.
1021         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
1022         "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
1023         to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
1024         ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
1025         "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
1026         "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
1027         ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
1028         * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
1029         TARGET_FLOAT_FORMAT): Macro definitions removed.
1030         (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
1031         * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
1032         z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
1033         (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
1034         (s390_gen_rtx_const_DI): Function removed.
1035         * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
1037 2007-04-24  Richard Sandiford  <richard@codesourcery.com>
1039         * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
1040         over an external ffs function.
1042 2007-04-24  Chao-ying Fu  <fu@mips.com>
1043             Richard Sandiford  <richard@nildram.co.uk>
1045         * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
1046         * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
1047         (smadd_widen_optab, umadd_widen_optab): Define.
1048         * optabs.c (init_optabs): Initialize smadd_widen_optab and
1049         umadd_widen_optab.
1050         * genopinit.c (optabs): Fill in smadd_widen_optab and
1051         umadd_widen_optab.
1052         * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
1053         and umadd_widen_optab to implement multiply-add sequences.
1054         * config/mips/mips.md (*<su>mul_acc_di): Rename to...
1055         (<u>maddsidi4): ...this.  Extend condition to include
1056         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
1057         of operand 0 to "ka" and use the three-operand form of madd<u>
1058         for TARGET_DSPR2.
1059         * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
1060         to define_expands.
1061         * config/mips/constraints.md (ka): New register constraint.
1063 2007-04-24  Jan Hubicka  <j@suse.cz>
1065         Revert:
1067         2007-04-23  Jan Hubicka  <jh@suse.cz>
1068         * function.c (init_function_start): Don't init line number info.
1069         (expand_function_end): Update.
1070         (reset_block_changes, record_block_change, finalize_block_changes,
1071         check_block_change, free_block_changes): Kill.
1072         * function.h (reset_block_changes, record_block_change,
1073         finalize_block_changes, check_block_change, free_block_changes): Remove
1074         prototypes.
1075         (struct function): Remove ib_boundaries_block.
1076         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
1077         Use curr_insn_locator to initialize locator.
1078         (emit_line_note): Remove.
1079         * cfgexpand.c (expand_gimple_cond_expr): Update.
1080         (construct_exit_block): Likewise.
1081         (tree_expand_cfg): Initialize/finalize locators.
1082         * expr.c (expand_expr_real): Update.
1083         * cfglayout.c (line_locators_locs, line_locators_lines,
1084         file_locators_locs, file_locators_files): Remove.
1085         (set_block_levels): Move to cfgexpand.c.
1086         (insn_locators_initialize): Remove.
1087         (pass_insn_locators_initialize): Remove.
1088         (locations_locators_locs, locations_locators_vals): New static vars.
1089         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
1090         Likewise.
1091         (insn_locators_alloc, insn_locators_finalize,
1092         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1093         New functions.
1094         (locator_location): New.
1095         (locator_line, locator_file): Rewrite.
1096         * rtl.h (emit_line_note): Kill.
1097         (insn_locators_alloc, insn_locators_finalize,
1098         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1099         Declare.
1100         * tree-inline.c (initialize_cfun): Do not initialize
1101         ib_boundaries_block.
1102         * passes.c (pass_insn_locators_initialize): Remove.
1104 2007-04-24  Daniel Franke  <franke.daniel@gmail.com>
1106         * doc/invoke.texi: Removed leading '-' from option index entries.
1108 2007-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
1110         * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
1111         Use phi_nodes_ptr.
1112         (create_phi_node): Use set_phi_nodes.
1113         * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
1114         * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
1115         (combine_blocks):  Use bb_stmt_list and set_bb_stmt_list.
1116         * tree-flow-inline.h (phi_nodes, set_phi_nodes,
1117         (bsi_start, bsi_last): Use bb_stmt_list.
1118         (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
1119         * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
1120         Traverse the statements using tsi iterator.
1121         * basic-block.h (struct basic_block_def): Fields stmt_list
1122         and phi_nodes moved to ...
1123         (struct tree_bb_info): ... new structure.
1124         * tree-cfg.c (create_bb): Allocate il.tree.  Use set_bb_stmt_list.
1125         (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
1126         (remove_bb): Handle blocks with NULL stmt list.  Clear il.tree field.
1127         (tree_verify_flow_info): Verify that il.tree is not set for
1128         entry and exit block.
1129         (tree_split_block): Use set_bb_stmt_list.
1131 2007-04-23  Mike Stump  <mrs@apple.com>
1133         * config/i386/i386.c (ix86_tune_features
1134         [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
1135         nocona and core2.
1137 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
1139         * config/i386/i386.md (prefix_extra): New attribute.
1140         (length): Add prefix_extra.
1142         * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
1143         (sse2_movntv2di): Likewise.
1144         (sse2_cvtps2dq): Likewise.
1145         (sse2_cvtpd2pi): Likewise.
1146         (sse2_cvttpd2pi): Likewise.
1147         (*sse2_cvtpd2ps): Likewise.
1148         (*add<mode>3): Likewise.
1149         (sse2_ssadd<mode>3): Likewise.
1150         (sse2_usadd<mode>3): Likewise.
1151         (*sub<mode>3): Likewise.
1152         (sse2_sssub<mode>3): Likewise.
1153         (sse2_ussub<mode>3): Likewise.
1154         (*mulv8hi3): Likewise.
1155         (*smulv8hi3_highpart): Likewise.
1156         (*umulv8hi3_highpart): Likewise.
1157         (sse2_umulv2siv2di3): Likewise.
1158         (sse2_pmaddwd): Likewise.
1159         (ashr<mode>3): Likewise.
1160         (lshr<mode>3): Likewise.
1161         (ashl<mode>3): Likewise.
1162         (sse2_ashlti3): Likewise.
1163         (sse2_lshrti3): Likewise.
1164         (*umaxv16qi3): Likewise.
1165         (*smaxv8hi3): Likewise.
1166         (*uminv16qi3): Likewise.
1167         (*sminv8hi3): Likewise.
1168         (sse2_eq<mode>3): Likewise.
1169         (sse2_gt<mode>3): Likewise.
1170         (*and<mode>3): Likewise.
1171         (sse2_nand<mode>3): Likewise.
1172         (*ior<mode>3): Likewise.
1173         (*xor<mode>3): Likewise.
1174         (sse2_packsswb): Likewise.
1175         (sse2_packssdw): Likewise.
1176         (sse2_packuswb): Likewise.
1177         (sse2_punpckhbw): Likewise.
1178         (sse2_punpcklbw): Likewise.
1179         (sse2_punpckhwd): Likewise.
1180         (sse2_punpcklwd): Likewise.
1181         (sse2_punpckhdq): Likewise.
1182         (sse2_punpckldq): Likewise.
1183         (sse2_punpckhqdq): Likewise.
1184         (sse2_punpcklqdq): Likewise.
1185         (*sse2_pinsrw): Likewise.
1186         (*sse2_pextrw): Likewise.
1187         (sse2_pshufd_1): Likewise.
1188         (sse2_uavgv16qi3): Likewise.
1189         (sse2_uavgv8hi3): Likewise.
1190         (sse2_psadbw): Likewise.
1191         (sse2_pmovmskb): Likewise.
1192         (*sse2_maskmovdqu): Likewise.
1193         (*sse2_maskmovdqu_rex64): Likewise.
1194         (sse4a_extrqi): Likewise.
1195         (sse4a_extrq): Likewise.
1196         (sse3_lddqu): Set prefix_rep.
1197         (sse3_addsubv4sf3): Likewise.
1198         (sse3_haddv4sf3): Likewise.
1199         (sse3_hsubv4sf3): Likewise.
1200         (sse_cvtss2si): Likewise.
1201         (sse_cvtss2si_2): Likewise.
1202         (sse_cvtss2siq): Likewise.
1203         (sse_cvtss2siq_2): Likewise.
1204         (sse_cvttss2si): Likewise.
1205         (sse_cvttss2siq): Likewise.
1206         (sse2_cvttps2dq): Likewise.
1207         (sse3_movshdup): Likewise.
1208         (sse3_movsldup): Likewise.
1209         (sse2_cvtsd2si): Likewise.
1210         (sse2_cvtsd2si_2): Likewise.
1211         (sse2_cvtsd2siq): Likewise.
1212         (sse2_cvtsd2siq_2): Likewise.
1213         (sse2_cvttsd2si): Likewise.
1214         (sse2_cvttsd2siq): Likewise.
1215         (*sse2_cvtpd2dq): Likewise.
1216         (*sse2_cvttpd2dq): Likewise.
1217         (sse2_pshuflw_1): Likewise.
1218         (sse2_pshufhw_1): Likewise.
1219         (sse4a_insertqi): Likewise.
1220         (sse4a_insertq): Likewise.
1221         (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
1222         (ssse3_phadddv4si3): Likewise.
1223         (ssse3_phaddswv8hi3): Likewise.
1224         (ssse3_phsubwv8hi3): Likewise.
1225         (ssse3_phsubdv4si3): Likewise.
1226         (ssse3_phsubswv8hi3): Likewise.
1227         (ssse3_pmaddubswv8hi3): Likewise.
1228         (ssse3_pmulhrswv8hi3): Likewise.
1229         (ssse3_pshufbv16qi3): Likewise.
1230         (ssse3_psign<mode>3): Likewise.
1231         (ssse3_palignrti): Likewise.
1232         (abs<mode>2): Likewise.
1233         (ssse3_phaddwv4hi3): Set prefix_extra.
1234         (ssse3_phadddv2si3): Likewise.
1235         (ssse3_phaddswv4hi3): Likewise.
1236         (ssse3_phsubwv4hi3): Likewise.
1237         (ssse3_phsubdv2si3): Likewise.
1238         (ssse3_phsubswv4hi3): Likewise.
1239         (ssse3_pmaddubswv4hi3): Likewise.
1240         (ssse3_pmulhrswv4hi3): Likewise.
1241         (ssse3_pshufbv8qi3): Likewise.
1242         (ssse3_psign<mode>3): Likewise.
1243         (ssse3_palignrdi): Likewise.
1244         (abs<mode>2): Likewise.
1245         (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
1246         (*vec_dupv2df): Set mode to V2DF instead of V4SF.
1247         (sse2_pmovmskb): Set mode to SI instead of V2DF.
1249 2007-04-23  Nick Clifton  <nickc@redhat.com>
1251         * params.def: Fix formatting of emacs local variables.
1253 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
1255         * config/i386/sse.md (sse2_stored): Don't split to inter-unit
1256         move if inter-unit move isn't allowed.
1257         Don't split moving the first element of V2DI to DI to inter-unit
1258         move if inter-unit move isn't allowed.
1260 2007-04-23  Richard Guenther  <rguenther@suse.de>
1262         * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
1263         and CDI_POST_DOMINATORS separately.
1265 2007-04-23  Nick Clifton  <nickc@redhat.com>
1267         * c.opt (Wformat-contains-nul): Add warning attribute.
1269 2007-04-23  Jan Hubicka  <jh@suse.cz>
1271         * function.c (init_function_start): Don't init line number info.
1272         (expand_function_end): Update.
1273         (reset_block_changes, record_block_change, finalize_block_changes,
1274         check_block_change, free_block_changes): Kill.
1275         * function.h (reset_block_changes, record_block_change,
1276         finalize_block_changes, check_block_change, free_block_changes): Remove
1277         prototypes.
1278         (struct function): Remove ib_boundaries_block.
1279         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
1280         Use curr_insn_locator to initialize locator.
1281         (emit_line_note): Remove.
1282         * cfgexpand.c (expand_gimple_cond_expr): Update.
1283         (construct_exit_block): Likewise.
1284         (tree_expand_cfg): Initialize/finalize locators.
1285         * expr.c (expand_expr_real): Update.
1286         * cfglayout.c (line_locators_locs, line_locators_lines,
1287         file_locators_locs, file_locators_files): Remove.
1288         (set_block_levels): Move to cfgexpand.c.
1289         (insn_locators_initialize): Remove.
1290         (pass_insn_locators_initialize): Remove.
1291         (locations_locators_locs, locations_locators_vals): New static vars.
1292         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
1293         Likewise.
1294         (insn_locators_alloc, insn_locators_finalize,
1295         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1296         New functions.
1297         (locator_location): New.
1298         (locator_line, locator_file): Rewrite.
1299         * rtl.h (emit_line_note): Kill.
1300         (insn_locators_alloc, insn_locators_finalize,
1301         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1302         Declare.
1303         * tree-inline.c (initialize_cfun): Do not initialize
1304         ib_boundaries_block.
1305         * passes.c (pass_insn_locators_initialize): Remove.
1307 2007-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1309         PR middle-end/31448
1310         * expr.c (reduce_to_bit_field_precision): Handle
1311         CONST_INT rtx's.
1313 2007-04-22  Uros Bizjak  <ubizjak@gmail.com>
1315         PR tree-optimization/24659
1316         * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
1317         OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
1318         (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
1319         * genopinit.c (optabs): Rename vec_pack_mod_optab
1320         to vec_pack_trunc_optab.
1321         * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
1322         early for scalar floating point operands for NOP_EXPR.
1323         (vectorizable_type_promotion): Ditto.
1324         * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
1325         vec_pack_trunc_optab.
1326         (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
1328         * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
1329         * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
1330         Rename from VEC_PACK_MOD_EXPR.
1331         (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
1332         * expr.c (expand_expr_real_1): Ditto.
1333         * tree-inline.c (estimate_num_insns_1): Ditto.
1334         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
1336         * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
1337         (vec_unpacks_lo_v4sf): Ditto.
1338         (vec_pack_trunc_v2df): Ditto.
1339         (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
1340         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
1341         (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
1343         * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
1344         vec_pack_mod_v8hi.
1345         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
1347         * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
1348         Rename from VEC_PACK_MOD_EXPR.  This expression also represent
1349         packing of floating point operands.
1350         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
1351         represent unpacking of floating point operands.
1352         * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
1353         [vec_unpacks_hi]: Ditto.
1354         [vec_unpacks_lo]: Ditto.
1356 2007-04-22  Jan Hubicka  <jh@suse.cz>
1358         * final.c (rest_of_handle_final): Call
1359         targetm.asm_out.constructor/targetm.asm_out.destructor
1360         * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
1361         proper priority via decl_*_priority_insert.
1362         * c-common.c (c_expand_body): Likewise.
1364 2007-04-22  Richard Guenther  <rguenther@suse.de>
1366         PR tree-optimization/29789
1367         * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
1368         (rewrite_reciprocal): New helper split out from
1369         determine_invariantness_stmt.
1370         (rewrite_bittest): Likewise.
1371         (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
1372         A & (1 << B) if (1 << B) is loop invariant but (A >> B)
1373         is not.
1375 2007-04-22  Revital Eres  <eres@il.ibm.com>
1377         * loop-unroll.c (var_to_expand): New field to support also
1378         insns of the form x = something + x.
1379         (analyze_insn_to_expand_var): Use it.
1380         (expand_var_during_unrolling): Likewise.
1382 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
1384         * predict.c: Include pointer-set.h.
1385         (bb_predictions): New variable.
1386         (tree_predicted_by_p, tree_predict_edge,
1387         remove_predictions_associated_with_edge): Use bb_predictions map
1388         instead of bb->predictions.
1389         (clear_bb_predictions, assert_is_empty): New functions.
1390         (combine_predictions_for_bb): Use bb_predictions map.  Call
1391         clear_bb_predictions.
1392         (tree_estimate_probability): Create and free bb_predictions map.
1393         * Makefile.in (predict.o): Add pointer-set.h dependency.
1394         * basic-block.h (struct basic_block_def): Remove predictions
1395         field.
1396         * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
1398 2007-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
1400         PR target/31480
1401         * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
1402         is null.
1404 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1406         * timevar.c (timevar_print): Change reference of --disable-checking to
1407         --enable-checking=release.  Also warn if assert checking is disabled.
1409 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1411         PR C/30265
1412         * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
1413         decl as addressable if the compound literal was marked as
1414         addressable.
1415         Mark the decl as a gimple register if it is a complex or
1416         vector decl and does not live in memory.
1418 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1420         * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
1421         (GENERIC_NEXT): New function macro.
1422         (PHI_CHAIN): Use phi_node's new chain variable.
1423         (tree_phi_node): Change tree_common to tree_base
1424         and add the chain field.
1425         * tree-phinodes.c (make_phi_node): Don't set
1426         TREE_TYPE on the new node.
1427         * c-decl.c (lang_tree_node): Use GENERIC_NEXT
1428         instead of checking GIMPLE_TUPLE_P in chain_next.
1429         * tree-vect-transform.c
1430         (get_initial_def_for_induction): Look at
1431         PHI_RESULT_TREE for the type of the phi node.
1432         (update_vuses_to_preheader): Use PHI_CHAIN
1433         instead of TREE_CHAIN on the phi node.
1434         * tree-ssa-structalias.c (compute_points_to_sets):
1435         Likewise.
1436         (ipa_pta_execute): Likewise.
1438 2007-04-21  Richard Guenther  <rguenther@suse.de>
1440         PR middle-end/31136
1441         * fold-const.c (fold_unary): Call fold_convert_const on the
1442         original tree.
1444 2007-04-21  Alexandre Oliva  <aoliva@redhat.com>
1446         * gcse.c (store_killed_in_insn): Handle PARALLELs.
1447         (store_killed_in_pat): New.
1449 2007-04-20  Richard Henderson  <rth@redhat.com>
1451         PR target/31628
1452         * config/i386/i386.c (type_has_variadic_args_p): Look for any
1453         TREE_LIST with a void_type_node value, not void_list_node exactly.
1455 2007-04-21  Douglas Gregor  <doug.gregor@gmail.com>
1457         * doc/standards.texi: Re-arrange into language-specific
1458         subsections. Add a C++ section, documenting which standards we
1459         support.
1461 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
1463         * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
1464         * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
1466 2007-04-20  Daniel Jacobowitz  <dan@codesourcery.com>
1468         * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
1469         ecrti.o and crtbegin.o.
1470         (LIB_DEFAULT_SPEC): Include -lc.
1471         (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
1473 2007-04-20  Richard Henderson  <rth@redhat.com>
1475         PR target/28623
1476         * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
1477         argument; update all callers.
1478         (get_unaligned_offset): New.
1479         * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
1480         get_unaligned_address, just pass on the address directly.
1481         (unaligned_extendqidi): Use gen_lowpart instead of open-coding
1482         the subreg in the helper patterns.
1483         (unaligned_extendqidi_le): Use get_unaligned_offset.
1484         (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
1485         (unaligned_extendhidi_be): Likewise.
1486         (unaligned_extendhidi): Tidy.
1487         * config/alpha/alpha-protos.h: Update.
1489 2007-04-20  Richard Henderson  <rth@redhat.com>
1491         * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
1492         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
1493         * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
1494         * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1495         * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1496         (CPP_SPEC): Don't include %(cpp_subtarget).
1497         * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
1498         (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1499         * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
1501 2007-04-20  Jakub Jelinek  <jakub@redhat.com>
1503         * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
1504         for __builtin_ia32_cmpordss.
1506         PR tree-optimization/31632
1507         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
1508         and arg1 for optimizations of comparison against min/max values.
1509         Fold arg0 to arg1's type for optimizations of comparison against
1510         min+1 and max-1 values.
1512 2007-04-19  Bernd Schmidt  <bernd.schmidt@analog.com>
1514         * reload.c (combine_reloads): When trying to use a dying register,
1515         check whether it's uninitialized and don't use if so.
1517 2007-04-19  Brooks Moses  <brooks.moses@codesourcery.com>
1519         * fold-const.c: Remove prototypes for native_encode_expr and
1520         native_interpret_expr.
1521         (native_encode_expr): Make non-static.
1522         (native_interpret_expr): Likewise.
1523         * tree.h: Add prototypes for the above.
1525 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
1527         * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
1528         *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
1529         *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
1530         spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
1531         tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
1532         Add length attributes.
1534 2007-04-19  Janis Johnson  <janis187@us.ibm.com>
1536         * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
1537         not that it is 1.
1539         * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
1540         __STDC_WANT_DEC_FP__.
1542 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
1544         * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
1545         for long double compatibility.
1546         * configure: Regenerate.
1548 2007-04-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
1550         PR rtl-optimization/29841
1551         * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
1552         trap instructions.
1553         * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
1554         that may cause control flow transfer from being moved.
1556 2007-04-18  Jan Hubicka  <jh@suse.cz>
1558         * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
1559         types.
1561 2007-04-18  Eric Christopher  <echristo@apple.com>
1563         * config/rs6000/darwin.md (load_macho_picbase): Use link register
1564         only. Update operands.
1565         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
1566         * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
1567         link register to pic register.
1569 2007-04-18  Dirk Mueller  <dmueller@suse.de>
1571         PR diagnostic/31227
1572         * tree-vrp.c (search_for_addr_array): New.
1573         (check_array_bounds): Suppress warning about
1574         address taken of array refs if its not de-referenced.
1576 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1578         * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
1579         * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
1581         * tree-vectorizer.h (NITERS_KNOWN_P): New.
1582         * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
1583         instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
1585         * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
1586         dump print.
1587         (vect_analyze_operations): Fix indenetation.  Fix a comment.  Fix a
1588         print message.
1589         (vect_analyze_scalar_cycles): Fix indentation.
1590         (vect_enhance_data_refs_alignment): Fix check in case of peeling.
1591         (vect_mark_relevant): Include phis in relevance analysis.
1593         * tree-vect-transform.c (vect_transform_loop): Add an assert.
1595 2007-04-18  Anatoly Sokolov <aesok@post.ru>
1597         * config/avr/avr.c (ptrreg_to_str): Replace error() with
1598         output_operand_lossage().
1600 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1602         * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
1603         the unused code for reduction without adjust-in-epilog to simplify the
1604         function.
1606 2007-04-18  Wolfgang Gellerich  <gellerich@de.ibm.com>
1608         * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
1609         (S390_TDC_NEGATIVE_ZERO): New constant.
1610         (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
1611         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
1612         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
1613         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
1614         (S390_TDC_POSITIVE_INFINITY): New constant.
1615         (S390_TDC_NEGATIVE_INFINITY): New constant.
1616         (S390_TDC_POSITIVE_QUIET_NAN): New constant.
1617         (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
1618         (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
1619         (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
1620         (S390_TDC_INFINITY): New constant.
1621         * config/s390/s390.c (s390_canonicalize_comparison): Renamed
1622         UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
1623         optimization for UNSPEC_CCZ_TO_INT.
1624         * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
1625         ("*ccz_to_int"): New insn.
1626         ("isinf<mode>2"): New insn.
1627         (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
1628         (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
1629         (UNSPEC_CCZ_TO_INT): New constant.
1631 2007-04-18  Richard Guenther  <rguenther@suse.de>
1633         PR tree-optimization/19431
1634         PR tree-optimization/21463
1635         * tree-pass.h (pass_phiprop): Declare.
1636         * passes.c (init_optimization_passes): New phiprop pass.
1637         * tree-ssa-forwprop.c (struct phiprop_d): New structure.
1638         (phivn_valid_p): New helper function.
1639         (phiprop_insert_phi): Likewise.
1640         (propagate_with_phi): Likewise.
1641         (tree_ssa_phiprop): New propagator propagating loads
1642         through phi nodes if profitable.
1644 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1646         * tree-vect-analyze.c (process_use): New function.
1647         (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
1648         Check phis in all bbs.
1649         * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
1650         assert.
1652 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
1654         * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
1655         we use REG_EQUAL.
1657 2007-04-17  Anatoly Sokolov <aesok@post.ru>
1659         PR target/30483
1660         * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
1661         error().
1663 2007-04-17  H.J. Lu  <hongjiu.lu@intel.com>
1665         * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
1666         on "0".
1667         (sse_vmmulv4sf3): Likewise.
1668         (sse2_vmaddv2df3): Likewise.
1669         (sse2_vmmulv2df3): Likewise.
1671 2007-04-17  Zdenek Dvorak  <dvorakz@suse.cz>
1673         PR rtl-optimization/31360
1674         * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
1675         (target_reg_cost): New.
1676         (init_set_costs): Initialize target_reg_cost.  Add comments
1677         regarding the rationale of the costs.
1678         (global_cost_for_size): Renamed to...
1679         (estimate_reg_pressure_cost): ... and simplify.  Decrease importance
1680         of register pressure.
1681         * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
1682         estimate_reg_pressure_cost.  Add number of ivs.
1683         (determine_set_costs): Dump target_reg_cost.
1684         * loop-invariant.c (gain_for_invariant):  Use
1685         estimate_reg_pressure_cost.  Removed n_inv_uses argument.
1686         (best_gain_for_invariant, find_invariants_to_move): Remove
1687         n_inv_uses.
1688         * cfgloop.h (target_small_cost, target_pres_cost): Removed.
1689         (target_reg_cost): Declare.
1690         (global_cost_for_size): Declaration removed.
1691         (estimate_reg_pressure_cost): Declare.
1693 2007-04-17  Peter Bergner  <bergner@vnet.ibm.com>
1695         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
1696         regnos into even/odd register pairs.
1697         * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
1698         TDmode similar to the other floating point modes.
1699         [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
1700         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
1701         define_expand's.
1702         (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
1703         nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
1704         (movdd_hardfloat64): Use TARGET_MFPGPR.
1706 2007-04-17  Bernd Schmidt  <bernd.schmidt@analog.com>
1708         * reload1.c (delete_output_reload): Don't count output in n_inherited.
1710         Revert
1711         2005-01-05  Richard Henderson  <rth@redhat.com>
1712         PR rtl-opt/10692
1713         * reload1.c (do_input_reload): Restrict the optimization deleteing
1714         a previous output reload to RELOAD_FOR_INPUT.
1716 2007-04-17  Dorit Nuzman  <dorit@il.ibm.com>
1718         * tree-vectorizer.h (stmt_vec_info_type): Add enum value
1719         induc_vec_info_type.
1720         (vectorizable_induction): New function declaration.
1721         * tree-vect-transform.c (get_initial_def_for_induction): No need to
1722         check if already vectorized.  Find first place in BB where new stmts
1723         can be inserted.  Takes only one argument.
1724         (vectorizable_induction): New function.
1725         (vect_transform_stmt): Add case for induc_vec_info_type to call
1726         vectorizable_induction.
1727         (vect_transform_loop): Consider phis for vectorization.
1728         * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
1729         condition.
1730         (analyze_operations): Call vectorizable_induction when analyzing phis.
1731         Fix comment.
1732         (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
1733         (vect_mark_relevant): Include phis in relevance analysis.
1734         (vect_mark_stmts_to_be_vectorize): Likewise.
1735         * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
1737 2007-04-16  Lawrence Crowl  <crowl@google.com>
1739         * doc/invoke.texi (Debugging Options): Add documentation for the
1740         -femit-struct-debug options -femit-struct-debug-baseonly,
1741         -femit-struct-debug-reduced, and
1742         -femit-struct-debug-detailed[=...].
1744         * c-opts.c (c_common_handle_option): Add
1745         OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
1746         and OPT_femit_struct_debug_detailed_.
1747         * c.opt: Add specifications for
1748         -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
1749         and -femit-struct-debug-detailed[=...].
1750         * opts.c (set_struct_debug_option): Parse the
1751         -femit-struct-debug-... options.
1752         * opts.c (matches_main_base, main_input_basename,
1753         main_input_baselength, base_of_path, matches_main_base): Add
1754         variables and functions to compare header base name to compilation
1755         unit base name.
1756         * opts.c (should_emit_struct_debug): Add to determine to emit a
1757         structure based on the option.
1758         (dump_struct_debug) Also disabled function to debug this
1759         function.
1760         * opts.c (handle_options): Save the base name of the
1761         compilation unit.
1763         * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
1764         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
1765         This hook indicates if a type is generic.  Set it by default
1766         to "never generic".
1767         * langhooks.h (struct lang_hooks_for_types): Add a new hook
1768         to determine if a struct type is generic or not.
1769         * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
1770         * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
1771         * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
1772         with live C++ hook.
1774         * flags.h (enum debug_info_usage): Add an enumeration to describe
1775         a program's use of a structure type.
1776         * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
1777         to indicate the program's usage of the type.  Filter structs based
1778         on the -femit-struct-debug-... specification.
1779         (gen_type_die): Split into two routines, gen_type_die and
1780         gen_type_die_with_usage.  gen_type_die is now a wrapper
1781         that assumes direct usage.
1782         (gen_type_die_with_usage): Replace calls to gen_type_die
1783         with gen_type_die_with_usage adding the program usage of
1784         the referenced type.
1785         (dwarf2out_imported_module_or_decl): Suppress struct debug
1786         information using should_emit_struct_debug when appropriate.
1788 2007-04-16  Ian Lance Taylor  <iant@google.com>
1790         PR tree-optimization/31522
1791         * tree-vrp.c (vr_phi_edge_counts): New static variable.
1792         (vrp_initialize): Allocate vr_phi_edge_counts.
1793         (vrp_visit_phi_node): Don't push to infinity if we saw a new
1794         executable edge.  Drop test for all constants.
1795         (vrp_finalize): Free vrp_phi_edge_counts.
1797         * doc/cpp.texi (Common Predefined Macros): Clarify description of
1798         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
1800         * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
1801         predecessors at head rather than tail.
1803 2007-04-16  Matthias Klose  <doko@debian.org>
1805         * config/alpha/linux.h (CPP_SPEC): Define.
1806         * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
1808 2007-04-16  Aldy Hernandez  <aldyh@redhat.com>
1810         * function.h: Remove sequence_stack extern declaration.
1812 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
1814         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
1815         TARGET_FIDOA.
1816         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
1817         defined.
1819 2007-04-16  Anatoly Sokolov <aesok@post.ru>
1821         * config/avr/avr.c (avr_arch_types): Rearranging  array.
1822         (enum avr_arch): Add.
1823         (avr_mcu_types): Use avr_arch enumeration constants instead of
1824         numbers.
1825         * config/avr/avr.h (LINK_SPEC): Simplify.
1827 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
1829         * config/m68k/m68k.c (m68k_libcall_value,
1830         m68k_function_value): Use macros for register names more.
1832         * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
1833         instead.
1834         (M68K_REGNAME): Use A6_REG.
1835         * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
1837 2007-04-16  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
1839         PR middle-end/28071
1840         * sched-int.h (struct deps): Split field 'pending_lists_length' into
1841         'pending_read_list_length' and 'pending_write_list_length'.  Update
1842         comment.
1843         * sched-deps.c (add_insn_mem_dependence): Change signature.  Update
1844         to handle two length counters instead of one.  Update all uses.
1845         (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
1846         two length counters instead of one.
1847         * sched-rgn.c (propagate_deps): Update to handle two length counters
1848         instead of one.
1850 2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>
1852         PR target/31582
1853         * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
1854         copy of source, pass it to ix86_expand_vector_set and return
1855         it as target.
1857 2007-04-16  David Ung  <davidu@mips.com>
1858             Joseph Myers  <joseph@codesourcery.com>
1860         * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
1861         PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
1862         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
1863         Add 74K processor information.
1864         * config/mips/mips.md: Include 74k.md.
1865         (cpu): Add 74kc,74kf,74kx.
1866         (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
1867         * config/mips/74k.md: New.
1868         * doc/invoke.texi (MIPS Options): Document 74K support.
1870 2007-04-16  Dorit Nuzman  <dorit@il.ibm.com>
1872         * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
1873         vectorizable_* functions.
1874         * tree-vect-transform.c (vectorizable_call): Add check for
1875         STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
1876         (vectorizable_store): likewise.
1877         (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
1878         Add comments.
1879         (vectorizable_operation, vectorizable_type_demotion): Likewise.
1880         (vectorizable_type_promotion, vectorizable_load): Likewise.
1881         (vectorizable_live_operation, vectorizable_condition): Likewise.
1882         (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
1883         STMT_VINFO_LIVE_P.
1884         (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
1886 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1888         * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
1889         register numbers more.
1890         * config/m68k/m68k.h (STACK_POINTER_REGNUM,
1891         FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
1892         M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
1893         FUNCTION_VALUE_REGNO_P): Likewise.
1894         * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
1895         STATIC_CHAIN_REGNUM): Likewise.
1896         * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
1897         * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
1898         STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
1899         * config/m68k/m68k.md (FP_REG): New.
1901 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1903         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
1904         alignment on fido.
1906 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
1908         * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
1909         tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
1910         comment typos.
1912 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
1914         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
1915         cold loops.
1917 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1919         PR c/31520
1920         * c-decl.c (finish_decl): Grab the type of the decl after the call
1921         to store_init_value.
1923 2007-04-14  Steven Bosscher  <steven@gcc.gnu.org>
1925         * common.opt (fforward-propagate): Fix "Optimization" annotation.
1927 2007-04-14  Jakub Jelinek  <jakub@redhat.com>
1929         PR c++/25874
1930         * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
1931         post dominators and cleanup cfg before returning.
1933 2007-04-14  Bernd Schmidt  <bernd.schmidt@analog.com>
1935         * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
1936         * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
1938 2007-04-14  Kazu Hirata  <kazu@codesourcery.com>
1940         * config.gcc: Recognize fido.
1941         * config/m68k/m68k-devices.def (fidoa): New.
1942         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
1943         __mfido__.
1944         (FL_FIDOA, TARGET_FIDOA): New.
1945         * config/m68k/m68k.opt (mfidoa): New.
1947 2007-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1949         PR middle-end/31322
1950         * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
1951         when a personality function is used.
1953 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
1955         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
1957 2007-04-13  Mike Stump  <mrs@apple.com>
1959         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
1960         we can...
1961         * config/darwin.opt (fapple-kext): Make C++ only.
1962         * config/darwin.c (darwin_override_options): Remove code to ensure
1963         -fapple-kext is given for C++ only.
1965 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
1967         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
1968         * config/mips/mips.c (override_options): Call
1969         SUBTARGET_OVERRIDE_OPTIONS, if defined.
1971 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1973         * config/i386/i386.opt (msvr3-shlib): Removed.
1975         * doc/invoke.texi: Remove -msvr3-shlib.
1977 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1979         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
1980         with "popcnt" instruction.
1982 2007-04-13  Richard Guenther  <rguenther@suse.de>
1984         PR tree-optimization/21258
1985         * tree-vrp.c (compare_case_labels): New helper.
1986         (find_switch_asserts): New function.
1987         (find_assert_locations): Call it for SWITCH_EXPRs.
1989 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
1991         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
1992         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
1993         check is now implied in X87_FLOAT_MODE_P.
1994         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
1995         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
1996         (fix_trunc<mode>_i386_fisttp): Ditto.
1997         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
1998         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
1999         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
2000         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
2001         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
2002         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
2003         (unnamed_splitters): Ditto.
2004         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
2005         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
2006         FIRST_SSE_REG for local functions when SSE math is enabled or
2007         for functions with sseregparm attribute.
2008         (standard_80387_constant_p): Return -1 if mode is not
2009         X87_FLOAT_MODE_P.
2010         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
2011         (ix86_expand_compare): Ditto.
2012         (ix86_expand_carry_flag_compare): Ditto.
2013         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
2014         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
2015         DECIMAL_FLOAT_MODE_P.
2016         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
2017         of SCALAR_FLOAT_MODE_P.
2018         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
2019         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
2020         checks before FLOAT_MODE_P.
2021         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
2022         before FLOAT_MODE_P.
2023         [DIV]: Ditto.
2024         [NEG]: Ditto.
2025         [ABS]: Ditto.
2026         [SQRT]: Ditto.
2027         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
2029 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
2030             Charles Wilson  <libtool@cwilson.fastmail.fm>
2032         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
2033         (libgcc.mvars): Don't depend on them.
2034         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
2035         * exec-tool.in: New.
2037 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
2039         * doc/invoke.text (--help): Document --help=common.
2041 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
2043         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
2045 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2047         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
2048         * genemit.c (main): Emit #include "integrate.h".
2049         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
2050         (LOADGP_RTP): New mips_loadgp_style.
2051         * config/mips/mips.h: Include config/vxworks-dummy.h.
2052         (TARGET_RTP_PIC): New macro.
2053         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
2054         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
2055         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
2056         for TARGET_RTP_PIC.
2057         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
2058         -mvxworks-pic when using -mrtp and a PIC option.
2059         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
2060         for RTP PIC.
2061         (mips_symbolic_constant_p, mips_symbolic_address_p)
2062         (mips_symbol_insns): Handle SYMBOL_HALF.
2063         (override_options): Warn about -G and -mrtp being used together.
2064         Initialize mips_lo_relocs[SYMBOL_HALF].
2065         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
2066         (mips_emit_loadgp): Handle LOADGP_RTP.
2067         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
2068         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
2069         (tablejump): Handle function-relative case table entries if
2070         TARGET_RTP_PIC.
2071         * config/mips/predicates.md (symbol_ref_operand): New predicate.
2073 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2075         * config/mips/mips.md (load_call<mode>): Allow any general register.
2076         destination.
2077         (sibcall_value_internal, sibcall_value_multiple_internal)
2078         (call_value_internal, call_value_split, call_value_multiple_internal)
2079         (call_value_multiple_split): Remove constraints from operand 0.
2081 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2083         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
2084         rather than loadgp_noshared.
2085         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
2086         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
2087         gen_loadgp.
2088         * config/mips/mips.md (loadgp): Rename to...
2089         (loadgp_newabi): ...this.
2090         (loadgp_noshared): Rename to...
2091         (loadgp_absolute): ...this.
2093 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2095         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
2096         false for locally-binding symbols.
2097         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
2099 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2101         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
2102         (SYMBOL_GOT_PAGE_OFST): ...this.
2103         (SYMBOL_GOT_GLOBAL): Rename to...
2104         (SYMBOL_GOT_DISP): ...this.
2105         (SYMBOL_GOTOFF_GLOBAL): Rename to...
2106         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
2107         * config/mips/mips.c (mips_global_symbol_p): New function.
2108         (mips_symbol_binds_local_p): Likewise.
2109         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
2110         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use mips_global_symbol_p
2111         and mips_symbol_binds_local_p.
2112         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
2113         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
2114         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
2115         SYMBOL_GOTOFF_DISP.
2116         (mips_ok_for_lazy_binding_p): New function.
2117         (mips_load_call_address, mips_expand_call): Use it.
2118         (mips_dangerous_for_la25_p): Likewise.
2119         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
2120         (*got_disp<mode>): Use got_disp_operand instead of
2121         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
2122         SYMBOL_GOTOFF_GLOBAL.
2123         (*got_page<mode>): Use got_page_ofst_operand instead of
2124         local_got_operand.
2125         * config/mips/predicates.md (const_call_insn_operand): Use
2126         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
2127         (global_got_operand): Rename to...
2128         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
2129         SYMBOL_GOT_GLOBAL.
2130         (local_got_operand): Rename to...
2131         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
2132         of SYMBOL_GOT_LOCAL.
2134 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2136         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
2137         TARGET_CALL_CLOBBERED_GP.
2138         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2139         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
2140         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
2141         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
2142         of TARGET_ABICALLS && !TARGET_NEWABI.
2143         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2144         * config/mips/mips.c (mips_load_call_address): Check
2145         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
2146         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2147         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
2148         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
2149         TARGET_ABICALLS && TARGET_NEWABI.
2150         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
2151         TARGET_ABICALLS.
2152         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
2153         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
2154         TARGET_ABICALLS && TARGET_NEWABI.
2155         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
2156         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
2157         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
2158         whether indirect calls must use $25.
2159         (mips_extra_live_on_entry): Check TARGET_GOT instead of
2160         TARGET_ABICALLS.
2161         * config/mips/mips.md (jal_macro): Check flag_pic and
2162         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
2163         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
2164         instead of TARGET_ABICALLS.
2165         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
2166         TARGET_ABICALLS && TARGET_OLDABI.
2167         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2168         (sibcall): In the comment above the define_insn, mention
2169         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
2170         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
2171         instead of TARGET_ABICALLS.
2173 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
2175         * doc/md.texi (Blackfin family constraints): Document PA and PB.
2176         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
2177         (MACFLAGS_MATCH_P): New macro.
2178         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
2179         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
2180         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
2181         the other MACFLAG constants.
2182         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
2183         (flag_machi): Tighten constraints.  Renumber some of the operands.
2184         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
2185         output template.
2186         (flag_machi_parts_acconly): New pattern.
2187         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
2188         used.
2189         (flag_macinit1hi): Tighten constraints.
2190         (flag_mul_macv2hi_parts_acconly): New pattern.
2192         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
2193         Use a more efficient implementation.
2194         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
2195         inline sequences when not optimizing for size.
2197         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
2198         movhi_high2low): Delete, merge functionality into...
2199         (packv2hi): ... this pattern.
2201         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
2202         * config/bfin/bfin.opt (msim): New option.
2203         (mcpu=): New option.
2204         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
2205         (bfin_cpu_t): Typedef of enum bfin_cpu.
2206         (bfin_cpu_type): New declaration.
2207         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
2208         -msim and -mcpu= options.
2209         (LIB_SPEC): Likewise.
2210         * config/bfin/bfin.c (bfin_cpu_type): Define.
2211         (bfin_handle_option): Handle -mcpu= option.
2212         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
2213         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
2214         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
2216 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2218         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
2219         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
2220         (powerpc-wrs-vxworksae): Use ${tm_file}.
2221         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
2222         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
2223         * config/i386/vx-common.h: New file.
2225 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2227         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
2228         of crt0.o%s.
2230 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2232         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
2233         ldxtr.
2235 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
2237         PR c++/31078
2238         PR c++/31103
2239         * c-common.c (c_build_qualified_type): Set canonical type
2240         appropriately.
2242 2007-04-12  Richard Guenther  <rguenther@suse.de>
2244         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
2245         lower bound and element size if lower bound is not zero
2246         or either of the ARRAY_REF operands is set.
2248 2007-04-12  Richard Guenther  <rguenther@suse.de>
2250         PR tree-optimization/24689
2251         PR tree-optimization/31307
2252         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
2253         indices by value.
2254         * gimplify.c (canonicalize_addr_expr): To be consistent with
2255         gimplify_compound_lval only set operands two and three of
2256         ARRAY_REFs if they are not gimple_min_invariant.  This makes
2257         it never at this place.
2258         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
2260 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2262         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
2263         null before emitting a .nsubspa directive.
2265 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
2267         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
2268         need_to_partition_p if there are no memory statements in the
2269         function.
2271 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
2273         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
2274         (gcd_of_steps_may_divide_p): New function.
2275         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
2277 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2279         * reload.c (find_reloads_toplev, find_reloads_address,
2280         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
2281         not a pointer equality test, to decide if we need to call
2282         push_reg_equiv_alt_mem.
2284 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
2286         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
2287         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
2288         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
2290 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
2292         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
2293         vector to be positive.
2295 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
2297         PR 30735
2298         PR 31090
2299         * doc/invoke.texi: Document --params max-aliased-vops and
2300         avg-aliased-vops.
2301         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
2302         debug_memory_partitions): Move to tree-flow.h
2303         * params.h (AVG_ALIASED_VOPS): Define.
2304         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
2305         users.
2306         (mp_info_t): Likewise.
2307         (get_mem_sym_stats_for): New.
2308         (set_memory_partition): Move from tree-flow-inline.h.
2309         (mark_non_addressable): Only clear the set of symbols for the
2310         partition if it exists.
2311         (dump_memory_partitions): Move from tree-ssa-operands.c
2312         (debug_memory_partitions): Likewise.
2313         (need_to_partition_p): New.
2314         (dump_mem_ref_stats): New.
2315         (debug_mem_ref_stats): New.
2316         (dump_mem_sym_stats): New.
2317         (debug_mem_sym_stats): New.
2318         (update_mem_sym_stats_from_stmt): New.
2319         (compare_mp_info_entries): New.
2320         (mp_info_cmp): Call it.
2321         (sort_mp_info): Change argument to a list of mem_sym_stats_t
2322         objects.
2323         (get_mpt_for): Move from tree-ssa-operands.c.
2324         (find_partition_for): New.
2325         (create_partition_for): Remove.
2326         (estimate_vop_reduction): New.
2327         (update_reference_counts): New.
2328         (build_mp_info): New.
2329         (compute_memory_partitions): Refactor.
2330         Document new heuristic.
2331         Call build_mp_info, update_reference_counts,
2332         find_partition_for and estimate_vop_reduction.
2333         (compute_may_aliases): Populate virtual operands before
2334         calling debugging dumps.
2335         (delete_mem_sym_stats): New.
2336         (delete_mem_ref_stats): New.
2337         (init_mem_ref_stats): New.
2338         (init_alias_info): Call it.
2339         (maybe_create_global_var): Remove alias_info argument.
2340         Get number of call sites and number of pure/const call sites
2341         from gimple_mem_ref_stats().
2342         (dump_alias_info): Call dump_memory_partitions first.
2343         (dump_points_to_info_for): Show how many times a pointer has
2344         been dereferenced.
2345         * opts.c (decode_options): For -O2 set --param
2346         max-aliased-vops to 500.
2347         For -O3 set --param max-aliased-vops to 1000 and --param
2348         avg-aliased-vops to 3.
2349         * fortran/options.c (gfc_init_options): Remove assignment to
2350         MAX_ALIASED_VOPS.
2351         * tree-flow-inline.h (gimple_mem_ref_stats): New.
2352         * tree-dfa.c (dump_variable): Dump memory reference
2353         statistics.
2354         Dump NO_ALIAS* settings.
2355         (referenced_var_lookup): Tidy.
2356         (mem_sym_stats): New.
2357         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
2358         and ORIG are different SSA names for a memory partition.
2359         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
2360         * tree-flow.h (struct mem_sym_stats_d): Define.
2361         (mem_sym_stats_t): Define.
2362         (struct mem_ref_stats_d): Define.
2363         (struct gimple_df): Add field mem_ref_stats.
2364         (enum noalias_state): Define.
2365         (struct var_ann_d): Add bitfield noalias_state.
2366         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
2367         debug_mem_ref_stats, debug_memory_partitions,
2368         debug_mem_sym_stats): Declare.
2369         * tree-ssa-structalias.c (update_alias_info): Update call
2370         sites, pure/const call sites and asm sites in structure
2371         returned by gimple_mem_ref_stats.
2372         Remove local variable IS_POTENTIAL_DEREF.
2373         Increase NUM_DEREFS if the memory expression is a potential
2374         dereference.
2375         Call update_mem_sym_stats_from_stmt.
2376         If the memory references memory, call
2377         update_mem_sym_stats_from_stmt for all the direct memory
2378         symbol references found.
2379         (intra_create_variable_infos): Set noalias_state field for
2380         pointer arguments according to the value of
2381         flag_argument_noalias.
2382         * tree-ssa-structalias.h (struct alias_info): Remove fields
2383         num_calls_found and num_pure_const_calls_found.
2384         (update_mem_sym_stats_from_stmt): Declare.
2385         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
2386         Set default value to 100.
2387         (PARAM_AVG_ALIASED_VOPS): Define.
2389 2007-04-11  Richard Guenther  <rguenther@suse.de>
2391         PR middle-end/31530
2392         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
2393         a * -b + c as c - a * b if we honor sign dependent rounding.
2395 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2397         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
2398         bfin_expand_strmov.
2399         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
2400         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
2401         variables.
2402         (initialize_trampoline): Don't use old-style function definition.
2403         (bfin_secondary_reload): Mark IN_P argument as unused.
2405 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
2407         PR tree-optimization/31343
2408         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
2409         (build_polynomial_chrec): Return a scalar when the evolution is zero.
2410         * testsuite/gcc.dg/vect/pr31343.c: New.
2412 2007-04-10  Eric Christopher  <echristo@apple.com>
2414         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
2415         * config/i386/i386.md (*cmpfp0): Use.
2416         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
2417         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
2418         (fix_trunc<mode>_i386_fisttp): Ditto.
2419         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
2420         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
2421         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
2422         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
2423         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
2424         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
2425         (unnamed_splitters): Ditto.
2426         * config/i386/i386.c (output_fix_trunc): Assert that
2427         we're not being passed a TFmode operand.
2429 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
2431         PR tree-optimization/31526
2432         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
2433         n_basic_blocks to find newly added blocks.
2435 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
2437         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
2438         alternative.
2439         (fix_trunc<mode>si_sse): Ditto.
2440         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
2441         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
2442         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
2443         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
2444         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
2445         expander using SSEMODEF mode macro.
2446         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
2447         expander using SSEMODEF mode macro.
2448         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
2449         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
2450         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
2451         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
2452         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
2453         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
2454         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
2455         Macroize insn using X87MODEF mode macro.
2457 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
2459         * config/i386/sse.md (sse2_pinsrw): Removed.
2460         (sse2_pextrw): Renamed to ...
2461         (*sse2_pextrw): This.
2463 2007-04-09  Jan Hubicka  <jh@suse.cz>
2465         PR target/27869
2466         * config/i386/sse.md
2467         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
2468         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
2469         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
2470         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
2472 2007-04-09  Jan Hubicka  <jh@suse.cz>
2474         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
2475         multiple fields of union.
2477 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
2479         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
2480         (create_preheaders): Check that loops are available.
2481         (fix_loop_structure): Clean up, improve comments.
2482         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
2483         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
2484         state flags.
2485         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
2486         * predict.c (tree_estimate_probability): Do not call
2487         calculate_dominance_info.  Call create_preheaders.
2488         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
2489         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
2490         flags.
2491         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
2492         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
2493         * tree-cfg.c (tree_split_edge): Make an assert more precise.
2494         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
2495         arguments.
2497 2007-04-08  Jan Hubicka  <jh@suse.cz>
2499         * tree.h (maybe_fold_offset_to_component_ref): Declare.
2500         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
2501         * fold-const.c (fold_unary): Use it.
2503 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2505         * varasm.c (assemble_variable): Remove call to
2506         lang_hooks.decls.prepare_assemble_variable.
2507         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
2508         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
2509         * langhooks.h (lang_hooks_for_decls): Remove
2510         prepare_assemble_variable.
2512 2007-04-08  Mike Stump  <mrs@apple.com>
2514         * config/i386/i386.c: Use inc/dec on Core2.
2516 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
2518         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
2519         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
2520         lhd_tree_inlining_end_inlining): Remove.
2521         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
2522         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
2523         end_inlining hooks.
2524         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
2525         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
2526         lhd_tree_inlining_end_inlining): Remove prototypes.
2527         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
2528         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
2529         LANG_HOOKS_TREE_INLINING_START_INLINING,
2530         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
2532         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
2533         not set it.
2535 2007-04-08  Anatoly Sokolov <aesok@post.ru>
2537         PR target/29932
2538         * config/avr/predicates.md (io_address_operand): Delete predicate.
2539         (low_io_address_operand): Don't use 'mode' argument.
2540         (higth_io_address_operand): Rename ...
2541         (high_io_address_operand): ... to this. Don't use 'mode' argument.
2542         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
2543         for above change.
2545 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
2547         Revert change removing staticp.
2549 2007-04-07  Anatoly Sokolov <aesok@post.ru>
2551         PR target/30289
2552         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
2553         earlyclobber.
2555 2007-04-07  Bruce Korb  <bkorb@gnu.org>
2557         * c.opt: Add -Wformat-contains-nul.
2558         * c-format.c (set_Wformat):  Set warn_format_contains_nul to the
2559           -Wformat setting.
2560         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
2561         the NUL byte warning.
2563 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
2565         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
2567 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
2569         * tree.c (staticp): No longer use staticp langhook.
2570         * langhooks.c (lhd_staticp): Removed.
2571         * langhooks.h (struct lang_hooks): Remove staticp.
2572         * c-common.c (c_staticp): Remove.
2573         * c-common.h (c_staticp): Ditto.
2574         * langhooks-defs.h (lhd_staticp): Ditto.
2575         (LHD_HOOKS_STATICP): Ditto
2576         * tree.h (gcc_assert_lowered): New macro.
2578 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
2580         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
2581         argument "reliable".
2582         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
2583         Add argument "reliable".  Propagate it through calls.
2584         (infer_loop_bounds_from_undefined):  Derive number of iterations
2585         estimates from references in blocks that do not dominate loop latch.
2586         (gcov_type_to_double_int): New function.
2587         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
2588         and expected_loop_iterations_unbounded.
2589         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
2590         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
2591         * tree-data-ref.c (estimated_loop_iterations): Export.
2592         (get_references_in_stmt): Fix -- do not return addresses of local
2593         objects.
2594         * cfgloop.h (expected_loop_iterations_unbounded,
2595         estimated_loop_iterations): Declare.
2597 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
2599         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
2601 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
2603         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
2604         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
2605         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
2606         Use output_387_reg_move().
2607         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
2608         expander using X87MODEF12 mode macro.
2609         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
2610         choosing register preferences.  Use output_387_reg_move().
2611         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
2612         instead of "x".  Use output_387_reg_move().
2613         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
2614         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
2615         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
2616         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
2617         Use output_387_reg_move().
2618         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
2619         mode macro.
2620         (*truncxf?f_i387 splitter): Ditto.
2622 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
2624         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
2625         LANG_HOOKS_SAFE_FROM_P.
2626         * expr.c (safe_from_p): Remove langhook call.
2627         * langhooks.h (lang_hooks): Remove safe_from_p.
2628         (lhd_safe_from_p): Remove prototype.
2629         * langhooks.c (lhd_safe_from_p): Remove.
2631 2007-04-06  Jan Hubicka  <jh@suse.cz>
2633         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
2634         functions.
2636 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
2638         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
2639         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
2640         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
2641         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
2642         alternative.
2643         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
2644         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
2646 2007-04-05  Richard Henderson  <rth@redhat.com>
2648         * config/alpha/alpha.c (print_operand) [+]: Remove.
2649         (alpha_end_function): Print nop if call at end of function.
2650         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
2651         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
2652         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
2653         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
2654         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
2655         the call pattern. Update peepholes to match.
2657 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
2659         * doc/extend.texi (Other Builtins): Add decimal float variants
2660         of signbit.
2661         * builtins.def: Ditto.
2662         * builtins.c (expand_builtin): Ditto.
2664 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
2665             H.J. Lu  <hongjiu.lu@intel.com>
2667         PR target/31478
2668         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
2669         of V8HImode when calling ix86_binary_operator_ok.
2670         (sse2_pmaddwd): Call ix86_binary_operator_ok.
2671         (sdot_prodv8hi): Operands 1 and 2 must be register.
2673 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2675         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
2676         initialize align to silence bogus warning.
2678 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2680         PR middle-end/22156
2681         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
2682         all_no_warning.
2683         (struct sra_walk_fns): Remove use_all parameter from use.
2684         (sra_hash_tree): Handle BIT_FIELD_REFs.
2685         (sra_elt_hash): Don't hash bitfld blocks.
2686         (sra_elt_eq): Skip them in parent compares as well.  Handle
2687         BIT_FIELD_REFs.
2688         (sra_walk_expr): Don't maintain or pass down use_all_p.
2689         (scan_use): Remove use_all parameter.
2690         (scalarize_use): Likewise.  Re-expand assignment to
2691         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
2692         output, and re-scalarize after output.  Don't mark anything
2693         for no warning.
2694         (scalarize_ldst): Adjust.
2695         (scalarize_walk_gimple_modify_statement): Likewise.
2696         (build_element_name_1): Handle BIT_FIELD_REFs.
2697         (instantiate_element): Don't warn for any element whose parent
2698         is used as a whole.
2699         (instantiate_missing_elements_1): Return the sra_elt.
2700         (canon_type_for_field): New.
2701         (try_instantiate_multiple_fields): New.
2702         (instantiate_missing_elemnts): Use them.
2703         (mark_no_warning): Removed.
2704         (generate_one_element_ref): Handle BIT_FIELD_REFs.
2705         (REPLDUP, sra_build_elt_assignment): New.
2706         (generate_copy_inout): Use them.
2707         (generate_element_copy): Likewise.  Handle bitfld differences.
2708         (generate_element_zero): Don't recurse for blocks.  Use
2709         sra_build_elt_assignment.
2710         (generate_one_element_int): Take elt instead of var.  Use
2711         sra_build_elt_assignment.
2712         (generate_element_init_1): Adjust.
2713         (scalarize_use, scalarize_copy): Use REPLDUP.
2714         (scalarize_ldst): Move assert before dereference.
2715         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
2717 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
2719         * regmove.c: Fix unused variable warnings due to previous commit.
2721 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
2723         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
2724         (regmove_bb_head): Remove.
2725         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
2726         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
2727         problems with fixup_match_1.
2728         Don't initialize/free regmove_bb_head.
2730         (reg_is_remote_constant_p): If an insn is in the same basic block
2731         but not before INSN, consider it remote, too.
2733 2007-04-05  Anatoly Sokolov <aesok@post.ru>
2735         PR target/25448
2736         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
2737         DECL_ASSEMBLER_NAME, not the DECL_NAME.
2739 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
2741         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
2742         (CONDITIONAL_REGISTER_USAGE): Likewise.
2744 2007-04-04  Richard Henderson  <rth@redhat.com>
2746         * config/alpha/lib1funcs.asm: Remove unused file.
2748 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2750         PR other/31356
2751         * opts.c (print_specific_help): Fix --help=<language>
2752         header line.
2753         (common_handle_option): Support --help=common.
2755 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2757         PR other/31353
2758         * gcc.c (main): Do not run the linker if
2759         print_subprocess_help indicates that it shouldn't be
2760         run.
2762 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2764         PR doc/31355
2765         * doc/invoke.texi (--help=): Document <languages> value, fix
2766         formatting in tables of values.
2768 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
2770         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
2771         dllimport attribute of virtual methods.
2773 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
2775         * config/score/crti.asm: Change _bss_start to __bss_start.
2776         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
2777         (OUTGOING_REG_PARM_STACK_SPACE) update.
2778         * config/score/score.opt: add options to make backend support
2779         score5, score5u, score7 and score7d.
2780         * config/score/score.md: Likewise.
2781         * config/score/misc.md: Likewise.
2782         * config/score/mac.md: Likewise.
2783         * doc/invoke.texi: Likewise.
2784         * doc/md.texi: update constraints define.
2786 2007-04-03  Richard Henderson  <rth@redhat.com>
2788         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
2789         an appropriate type, use the mode instead.
2791 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
2793         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
2794         Set the default --with-arch setting to mips2.
2795         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
2796         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
2797         (MULTILIB_OSDIRNAMES): Delete.
2798         (MULTILIB_DIRNAMES): Define.
2799         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
2800         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
2801         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
2802         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
2803         VXWORKS_OS_CPP_BUILTINS.
2804         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
2805         (MIPS_DEBUGGING_INFO): Undefine.
2806         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
2808 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
2810         PR middle-end/30704
2811         * fold-const.c (native_encode_real): Encode real.c provided longs
2812         as a series of 32-bit native integers.
2813         (native_interpret_real): Interpret buffer as a series of 32-bit
2814         native integers.
2816 2007-04-03  Richard Guenther  <rguenther@suse.de>
2818         * genpreds.c (write_insn_constraint_len): Write function
2819         optimized for CONSTRAINT_LEN implementation.
2820         (write_tm_preds_h): Output insn_constraint_len inline and
2821         use it for CONSTRAINT_LEN.
2822         (write_insn_preds_c): Don't output insn_constraint_len.
2823         * doc/md.texi (define_register_constraint): Document multi-letter
2824         constraints shall have the same length if they start with the same
2825         letter.
2827 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
2829         PR target/31175
2830         * config/i386/i386.md (isinf<mode>2): Expand only when
2831         TARGET_C99_FUNCTIONS is set.
2833 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
2835         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
2836         (x86_64-*-linux*): Ditto.
2837         * config/i386/i386.opt (mpc): New option.
2838         * config/i386/i386.c (overrride_options): Handle
2839         ix87_precision_string.
2840         * config/i386/crtprec.c: New file.
2841         * config/i386/t-crtpc: Ditto.
2842         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
2843         and -mpc80 options.
2844         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
2845         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
2846         crtprec32.o, crtprec64.o and crtprec80.o.
2848         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
2849         and -mpc80 options.
2850         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
2852 2007-04-02  Eric Christopher  <echristo@apple.com>
2854         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
2855         limitations on darwin.
2857 2007-04-02  Anatoly Sokolov <aesok@post.ru>
2859         PR target/31137
2860         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
2862 2007-04-02  Dave Korn  <dave.korn@artimi.com>
2864         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
2866 2007-04-02  Dave Korn  <dave.korn@artimi.com>
2868         * libgcc2.h (exception_descriptor): Don't forward-declare.
2869         (__get_eh_table_language, __get_eh_table_version): Delete
2870         prototypes of long-dead functions.
2872 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
2874         * ebitmap.h: New file
2875         * ebitmap.c: New file
2876         * Makefile.in (ebitmap.o): New target.
2878 2007-04-01  Jan Hubicka  <jh@suse.cz>
2880         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
2881         before very first instruction.
2883 2007-04-01  Jan Hubicka  <jh@suse.cz>
2885         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
2886         waring on 64bit hosts.
2887         * bitmap.h: Fix typo in bitmap_head_def.
2889 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
2891         PR rtl-optimization/31391
2892         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
2893         into a DELETED_LABEL note, and the label is in an empty basic
2894         block, update BB_END as well as BB_HEAD.
2896 2007-04-01  Richard Henderson  <rth@redhat.com>
2898         PR tree-optimization/31169
2899         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
2900         to varying if the range is outside [0,  prec-1].
2902 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
2904         PR target/31388
2905         * config/mips/mips.md (load_const_gp): New insn.
2906         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
2907         the MIPS16 GP pseudo register if no_new_pseudos.
2908         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
2910 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2912         PR target/31364
2913         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
2914         secureplt.
2915         (call_value): Likewise.
2917 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
2918             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2920         PR 14737
2921         * doc/invoke.texi: (optimization options): Reword description
2922         of -ffast-math. Document its primary purpose.
2924 2007-03-31  Richard Guenther  <rguenther@suse.de>
2926         * omp-low.c (splay-tree.h): Include.
2927         (lookup_decl): Replace splay-tree usage by pointer-map.
2928         (maybe_lookup_decl): Likewise.
2929         (new_omp_context): Likewise.
2930         (delete_omp_context): Likewise.
2931         * gimplify.c (splay-tree.h): Include.
2932         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
2933         pointer-map.
2934         (remap_ssa_name): Likewise.
2935         (remap_decl): Likewise.
2936         (remap_type_1): Likewise.
2937         (remap_type): Likewise.
2938         (copy_body_r): Likewise.
2939         (expand_call_inline): Likewise.
2940         (clone_body): Likewise.
2941         (copy_tree_r): Likewise.
2942         (remap_save_expr): Likewise.
2943         (unsave_r): Likewise.
2944         (unsave_expr_now): Likewise.
2945         (tree_function_versioning): Likewise.
2946         (build_duplicate_type): Likewise.
2947         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
2948         (struct copy_body_data): Replace splay-tree by pointer-map.
2949         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
2950         not $(SPLAY_TREE_H).
2951         (gimplify.o): Depend on $(SPLAY_TREE_H).
2952         (omp-low.p): Likewise.
2954 2007-03-31  Anatoly Sokolov <aesok@post.ru>
2956         * config/avr/predicates.md (even_register_operand,
2957         odd_register_operand): New predicates.
2958         * config/avr/avr.md (movw peephole2): New.
2959         (movw_r peephole2): New.
2961 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
2963         * tree.h (get_signed_or_unsigned_type): New.
2964         * fold-const.c (operand_equal_for_comparison_p): Use
2965         get_signed_or_unsigned_type instead of
2966         lang_hooks.types.signed_or_unsigned_type.
2967         * expr.c (store_expr): Ditto.
2968         * langhooks.c (get_signed_or_unsigned_type): New.
2969         (lhd_signed_or_unsigned_type): New.
2970         * langhooks.h (lhd_signed_or_unsigned_type): New.
2971         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
2973 2007-03-30  Richard Henderson  <rth@redhat.com>
2975         * tree-ssa-loop-ivopts.c: Include target.h.
2976         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
2977         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
2978         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
2979         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
2981 2007-03-30  Richard Henderson  <rth@redhat.com>
2982             Kai Tietz  <kai.tietz@onevision.com>
2984         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
2985         default for 64-bit.
2986         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
2987         (TARGET_64BIT_MS_ABI): New.
2988         (DBX_REGISTER_NUMBER): Handle 64-bit.
2989         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
2990         (LONG_TYPE_SIZE): Force to 32.
2991         (REG_PARM_STACK_SPACE): New.
2992         (OUTGOING_REG_PARM_STACK_SPACE): New.
2993         (REGPARM_MAX, SSE_REGPARM_MAX): New.
2994         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
2995         (STACK_BOUNDARY): Use 128 for 64-bit.
2996         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
2997         Add 64-bit implementation.
2998         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
2999         argument unused.
3000         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
3001         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
3002         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
3003         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
3004         (ix86_handle_cconv_attribute): Don't warn when ignoring if
3005         TARGET_64BIT_MS_ABI.
3006         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
3007         (ix86_pass_by_reference): Likewise.
3008         (ix86_function_value_regno_p): Likewise.
3009         (ix86_build_builtin_va_list): Likewise.
3010         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
3011         (function_arg_advance_ms_64): New.
3012         (function_arg_advance): Call it.
3013         (function_arg_ms_64): New.
3014         (function_arg): Call it.
3015         (function_value_ms_64): New.
3016         (ix86_function_value_1): Call it.
3017         (return_in_memory_ms_64): New.
3018         (ix86_return_in_memory): Call it.
3019         (setup_incoming_varargs_ms_64): New.
3020         (ix86_setup_incoming_varargs): Call it.
3021         (ix86_expand_prologue): Handle 64-bit stack probing.
3022         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
3023         (output_pic_addr_const): Likewise.
3024         (x86_this_parameter): Likewise.
3025         (x86_output_mi_thunk): Likewise.
3026         (x86_function_profiler): Likewise.
3027         (TARGET_STRICT_ARGUMENT_NAMING): New.
3028         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
3029         (TARGET_64BIT_MS_ABI): New.
3030         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
3031         * config/i386/i386.md (allocate_stack_worker): Remove.
3032         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
3033         describe the clobber of eax without a match_scratch.
3034         (allocate_stack_worker_postreload): Remove.
3035         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
3036         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
3037         (allocate_stack_worker_rex64_postreload): Remove.
3038         (allocate_stack): Handle 64-bit.
3039         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
3040         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
3041         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
3042         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
3043         (STANDARD_STARTFILE_PREFIX_1): Likewise.
3044         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
3045         * config.build (x86_64-*-mingw*): New host.
3046         * config.host (x86_64-*-mingw*): New host.
3047         * config.gcc (x86_64-*-mingw*): New target.
3048         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
3050 2007-03-30  Richard Henderson  <rth@redhat.com>
3051             Kai Tietz  <kai.tietz@onevision.com>
3053         * c-pragma.c (struct def_pragma_macro_value): New.
3054         (struct def_pragma_macro): New.
3055         (pushed_macro_table): New.
3056         (dpm_hash, dpm_eq): New.
3057         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
3058         (init_pragma): Install them.
3059         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
3061 2007-03-30  Anatoly Sokolov <aesok@post.ru>
3063         * config/avr/avr.c (avr_override_options): Clear
3064         'flag_delete_null_pointer_checks'.
3066 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
3068         PR c++/26099
3069         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
3070         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
3071         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
3072         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
3073         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
3074         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
3075         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
3076         C++ extensions.
3077         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
3079 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
3081         * regmove.c: Move all of pass_stack_adjustments from here...
3082         * combine-stack-adj.c: ...to this new file.
3083         * Makefile.in: Add rules for combine-stack-adj.o.
3085 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
3087         PR tree-optimization/31383
3088         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
3089         to have the same length.
3091 2007-03-30  Jan Hubicka  <jh@suse.cz>
3093         PR middle-end/30700
3094         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
3095         availablility; add more sanity checking; ask varpool only about
3096         VAR_DECL.
3098 2007-03-29  Richard Henderson  <rth@redhat.com>
3100         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
3101         to decide, but __SIZEOF_LONG_LONG__.
3103 2007-03-29  Richard Henderson  <rth@redhat.com>
3105         * emutls.c (struct __emutls_array): New.
3106         (emutls_destroy): Use it instead of casting element 0 from void*.
3107         (__emutls_get_address): Likewise.
3109 2007-03-29  Richard Henderson  <rth@redhat.com>
3111         * varasm.c (initializer_constant_valid_p): Don't deny
3112         DECL_DLLIMPORT_P on functions.
3114         * config/i386/cygming.h: Remove function declarations.
3115         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
3116         (ASM_OUTPUT_LABELREF): Remove.
3117         (COMMON_ASM_OP): Remove.
3118         (ASM_OUTPUT_COMMON): Remove.
3119         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
3120         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
3121         (ASM_DECLARE_FUNCTION_NAME): Likewise.
3122         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
3123         Rename from TARGET_ENCODE_SECTION_INFO.
3124         * config/i386/netware.h: Likewise.
3125         * config/i386/i386-protos.h: Update.
3126         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
3127         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
3128         (legitimate_constant_p): Reject dllimports.
3129         (dllimport_map, get_dllimport_decl): New.
3130         (legitimize_dllimport_symbol): New.
3131         (legitimize_address, ix86_expand_move): Use it.
3132         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
3133         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
3134         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
3135         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
3136         * config/i386/predicates.md (constant_call_address_operand): Only
3137         accept symbols; reject dllimport_p symbols.
3138         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
3139         i386_pe_maybe_record_exported_symbol.
3140         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
3141         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
3142         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
3143         trust the setting of DECL_DLLIMPORT_P.
3144         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
3145         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
3146         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
3147         tidy the argument scanning loop.
3148         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
3149         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
3150         (i386_pe_strip_name_encoding): Remove.
3151         (i386_pe_binds_local_p): New.
3152         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
3153         (i386_pe_output_labelref): Remove.
3154         (i386_pe_asm_output_aligned_decl_common): New.
3155         (i386_pe_maybe_record_exported_symbol): Rename from
3156         i386_pe_record_exported_symbol; check for dllexported symbols.
3158 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
3160         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
3161         add comment explaining why vsnprintf cannot be used.
3163 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
3165         PR tree-optimization/30666
3166         * tree.c (build_complex_type): When creating type names for DWARF2
3167         debug info, create TYPE_DECLs for TYPE_NAME instead of
3168         IDENTIFIER_NODEs.
3169         (build_common_tree_nodes_2): Use build_complex_type when building
3170         predefined complex types, to preserve canonical types.
3172 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
3174         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
3175         (noce_get_alt_condition): Look at it to determine whether to
3176         reverse the condition or not.
3177         (noce_get_condition): Substitute the truth for lies.
3178         (noce_find_if_block): Set the then_else_reversed field.
3180 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
3182         * config/fr30/fr30.md (movdi): Do not accept immediates as the
3183         destination of this insn.
3184         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
3185         than calling gen_rtx_SET directly.  Use r0 to hold the value of
3186         'address + 4' rather than a stack based temporary which can be
3187         mis-optimized away.
3189 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
3191         * config/s390/s390.c (s390_secondary_input_reload_class,
3192         s390_secondary_output_reload_class): Functions removed.
3193         (s390_secondary_reload): New function.
3194         (TARGET_SECONDARY_RELOAD): Target macro defined.
3195         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
3196         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
3197         * config/s390/s390.md ("reload_outti", "reload_outdi",
3198         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
3199         "reload_out<mode>"): Expanders removed.
3200         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
3201         "reload<mode>_nonoffmem_out"): Expanders added.
3203 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
3205         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
3206         SRC->DEST replacement failed anyway.
3208 2007-03-28  Mike Stump  <mrs@apple.com>
3210         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
3211         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
3212         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
3214 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3216         * config.gcc: Accept barcelona as a variant of amdfam10.
3217         * config/i386/i386.c (override_options): Likewise.
3218         * doc/invoke.texi: Likewise.
3220 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
3222         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
3223         offsets for BIT_FIELD_REF and COMPONENT_REF.
3225 2007-03-28  Richard Guenther  <rguenther@suse.de>
3227         * tree.c (is_global_var): Move ...
3228         * tree-flow-inline.h (is_global_var): ... here.
3229         * tree.h (is_global_var): Remove declaration.
3231 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
3233         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
3234         option.
3235         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
3236         * config/i386/i386.c (ix86_tune_features): Initialize new
3237         tuning option.
3238         * config/i386/predicates.md (promotable_binary_operator): Use
3239         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
3241 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
3243         PR target/31380
3244         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
3246 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
3248         * config/fr30/fr30.md (movsi_internal): Change destination
3249         constraint from m to V and add m to the end.
3251 2007-03-28  Christian Bruel  <christian.bruel@st.com>
3253         * config/sh/sh.md (movsi_i): Fix type attribute.
3255 2007-03-28  Christian Bruel  <christian.bruel@st.com>
3257         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
3258         (movsf_ie): Likewise.
3260 2007-03-28  Christian Bruel  <christian.bruel@st.com>
3262         * config.gcc: Add sh4-300 to multilib.
3263         * config/sh/t-mlib-sh4-300: New file.
3265 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
3267         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
3268         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
3269         fix_trunc<mode>di2.
3270         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
3271         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
3272         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
3273         "fixuns_trunctddi2"): Whitespace fix.
3275 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
3277         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
3278         the definition of struct sh_args.
3279         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
3280         CALL_COOKIE_INT_REG_GET): Likewise.
3282 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
3284         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
3285         transformations are applied successfully.
3287 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
3289         * tree.c (tree_contains_struct): Permit 512 tree codes.
3290         * tree.h (tree_contains_struct): Ditto.
3291         (MAX_TREE_CODES): Ditto.
3292         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
3293         SPARE member to store remaining padding bits.
3295 2007-03-27  Anatoly Sokolov <aesok@post.ru>
3297         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
3298         architecture.
3300 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
3302         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
3303         * configure: Regenerate.
3305         * configure: Regenerate using the correct version of autoconf.
3307 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
3309         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
3310         pointer regs.
3311         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
3312         regs to "__SP_L__" and "__SP_H__".
3314 2007-03-27  Richard Guenther  <rguenther@suse.de>
3316         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
3317         computations with it with a HOST_WIDE_INT variable.
3319 2007-03-26  Mike Stump  <mrs@apple.com>
3321         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
3322         objective-c-header, objective-c++-header and objc++-cpp-output
3323         support.
3324         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
3326 2007-03-26  Richard Henderson  <rth@redhat.com>
3328         PR target/31361
3329         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
3330         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
3331         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
3332         IX86_BUILTIN_PSRLQ128): New.
3333         (ix86_init_mmx_sse_builtins): Add them.
3334         (ix86_expand_builtin): Expand them.
3335         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
3336         operand 2 be TImode.
3337         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
3338         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
3339         _mm_srli_epi64): Mark __B const.
3340         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
3341         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
3342         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
3343         new two-vector shift builtins.
3345 2007-03-26  Ian Lance Taylor  <iant@google.com>
3347         PR tree-optimization/31345
3348         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
3349         [+INF, +INF(OVF)] into VARYING.
3351 2007-03-26  Zack Weinberg  <zackw@panix.com>
3353         * gengtype-parse.c: New file.
3354         * gengtype-yacc.y: Delete.
3355         * gengtype-lex.l: Don't include gengtype-yacc.h.
3356         Define YY_DECL and yyterminate appropriately for recursive
3357         descent parser.  yylval is now a string out-parameter to yylex.
3358         (HWS, EOID): New shorthand.
3359         (IWORD): Add a couple more types.
3360         (yylex): Add a setup stanza.  Remove the complex rules for
3361         detecting GTY'ed types and typedefs; replace with simple
3362         keyword detectors.  Adjust everything for the changed
3363         definition of yylval.  Ignore all pp-directives, not just #define.
3364         (yyerror): Delete.
3365         (parse_file): Rename yybegin; do not call yyparse.
3366         (yyend): New.
3367         * gengtype.c (xasprintf): Export again.
3368         (this_file): New.  Use everywhere __FILE__ was being used.
3369         (get_lang_bitmap): Special case types defined in gengtype.c.
3370         (do_typedef, new_structure): Suppress definition of certain types.
3371         (new_structure): Improve diagnostics of duplicate definitions.
3372         Make sure location_s is associated with input.h.
3373         (nreverse_pairs, define_location_structures): New functions.
3374         (main): Improve tagging of kludge types.  Remove old kludges
3375         for input.h types; use define_location_structures.
3376         * gengtype.h: Update prototypes.  Define token codes here.
3377         * Makefile.in: Remove all references to gengtype-yacc.
3378         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
3379         and gengtype.
3380         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
3381         add GTY((skip)) to the field that's only conditionally there.
3382         * doc/install.texi: Document that Bison is no longer required
3383         unless building treelang.
3385         * gengtype.c: Don't include gtyp-gen.h.
3386         (srcdir): Declare here.
3387         (base_files, lang_dir_names): Allocate dynamically.
3388         (gt_files, num_gt_files, num_lang_dirs): New globals.
3389         (measure_input_list, read_input_line, read_input_list)
3390         (set_lang_bitmap): New functions.
3391         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
3392         simplify, relying on read_input_list to set up the bitmaps.
3393         (main): Arguments are no longer unused.  Check for correct number
3394         of command line arguments, set srcdir and srcdir_len, then call
3395         read_input_list, before doing anything else.  No need to worry
3396         about duplicates in main loop.
3397         * configure.ac: Simplify the calculation of all_gtfiles.
3398         Put language tags in there.  Don't set or substitute
3399         all_gtfiles_files_langs or all_gtfiles_files_frags.
3400         * Makefile.in: Revamp the way gengtype is invoked, now that it
3401         takes a file on its command line with a much simpler format.
3402         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
3403         (GTFILES): Remove duplicates and C source files.
3404         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
3405         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
3406         * configure: Regenerate.
3408         * gengtype.h: Remove all type definitions to gengtype.c; leave
3409         only definitions of options_p, type_p, and pair_p as opaque
3410         pointers.  Update prototypes.
3411         * gengtype.c: Many type definitions moved here from gengtype.h.
3412         Consolidate type definitions at the top of the file.
3413         (xvasprintf): Delete.
3414         (xasprintf): Make static.
3415         (create_nested_pointer_option): Add 'next' parameter.
3416         (create_field_all, create_field_at): New functions.
3417         (create_field): Now a thin wrapper around create_field_all.
3418         (create_optional_field): Rename create_optional_field_ and add
3419         line argument.  Original name is now a macro which supplies
3420         __LINE__.
3421         (oprintf): Use vsnprintf directly.
3422         (close_output_files): Use fatal rather than perror/exit.
3423         (note_def_vec, note_def_vec_alloc): Use create_field_at.
3424         (main): Set progname.  Don't use exit.
3425         * gengtype-yacc.y (struct_fields): Use create_field_at.
3426         (option, optionseqopt): Delete.
3427         (optionseq): Consolidate productions from option here so we
3428         can use the first argument to create_option.
3430         * gengtype-lex.l: Distinguish unions from structures in the
3431         token type.  Don't call find_structure; return the tag as a string.
3432         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
3433         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
3434         Reorganize typedef_struct production accordingly.
3435         Use create_nested_ptr_option.
3436         * gengtype.c (create_nested_ptr_option): New function.
3437         * gengtype.h: Declare it.
3439         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
3440         (string_type): Don't declare.
3441         (do_scalar_typedef): Declare.
3442         (create_scalar_type): Update prototype.
3443         * gengtype.c (string_type): Make static.
3444         (scalar_nonchar, scalar_char): New.
3445         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
3446         (resolve_typedef): Use scalar_nonchar for error recovery.
3447         (create_scalar_type): Remove name_len field.  Return scalar_char
3448         or scalar_nonchar as appropriate.
3449         (adjust_field_type): Look at scalar_is_char boolean to decide whether
3450         to use string_type.
3451         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
3452         whenever possible.
3453         (main): Initialize scalar_char and scalar_nonchar before calling
3454         gen_rtx_next.
3455         * gengtype-lex.l: Adjust for removal of second argument to
3456         create_scalar_type.  Use yylval.s instead of yylval.t when
3457         returning SCALAR.
3458         * gengtype-yacc.y: Type of SCALAR is string.  Call
3459         create_scalar_type from type:SCALAR rule.  Adjust for removal of
3460         second argument to create_scalar_type.
3462         * vec.h: Remove all #if IN_GENGTYPE blocks.
3463         Add comment saying that changes may require adjustments to gengtype.
3464         * gengtype.c: Don't include coretypes.h or tm.h.
3465         Add comment to inclusion of errors.h.
3466         (note_def_vec, note_def_vec_alloc): New functions.
3467         * gengtype.h: Declare new functions.
3468         * gengtype-lex.l: Don't include coretypes.h.
3469         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
3470         Delete.
3471         (update_lineno): Remove unnecessary prototype.
3472         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
3473         (VEC rule): Just return VEC_TOKEN.
3474         * gengtype-yacc.y (VEC_TOKEN): New token type.
3475         (type): Add a production for VEC(a,b).
3476         * Makefile.in: Update dependencies.
3478         * gengtype-lex.l: Remove rules for parsing pointer-to-function
3479         typedefs that use the old PARAMS macro.
3481         * gengtype-lex.l: Remove all rules and states relating to yacc
3482         input files.
3483         * gengtype-yacc.y: Similarly.
3484         * gengtype.c (note_yacc_type): Delete function.
3485         * gengtype.h: Update prototypes.
3487 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
3489         * tree-pretty-print.c (dump_generic_node): Report precision of
3490         unnamed integer types.
3492 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
3494         * ifcvt.c (noce_try_store_flag_constants): Don't check
3495         no_new_pseudos here.
3496         (noce_try_store_flag_constants): Don't check no_new_pseudos.
3497         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
3498         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
3499         noce_try_sign_mask): Likewise.
3500         (if_convert): Check no_new_pseudos here.
3502         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
3503         Remove prototypes.
3504         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
3505         (noce_get_condition): Handle new then_else_reversed argument.
3506         (noce_init_if_info): Remove, fold into noce_find_if_block.
3507         (noce_process_if_block): Take a struct noce_if_info as the
3508         argument.  Don't set up one based on ce_if_info.  Update pointer
3509         references accordingly.
3510         (cond_move_process_if_block): Likewise.
3511         (process_if_block): Removed.
3512         (find_if_block): Removed.  Move functionality two new functions,
3513         noce_find_if_block and cond_exec_find_if_block.
3514         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
3515         blocks and the symmetric IF-ELSE-JOIN case.
3516         (cond_exec_find_if_block): Also new function mostly based on old
3517         find_if_block and process_if_block.
3518         (find_if_header): Replace find_if_block call with separately
3519         guarded calls to noce_find_if_block and cond_exec_find_if_block.
3520         (find_cond_trap): Update noce_get_condition call.
3521         (dead_or_predicable): Likewise.
3523 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
3525         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
3526         Remove.
3527         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
3528         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
3529         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
3530         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
3531         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
3532         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
3533         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
3534         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
3535         __builtin_ia32_psrad128 builtins.
3537 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
3539         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
3540         * config/i386/constraints.md
3541         (define_constraint "I"): Use IN_RANGE macro.
3542         (define_constraint "J"): Ditto.
3543         (define_constraint "K"): Ditto.
3544         (define_constraint "M"): Ditto.
3545         (define_constraint "N"): Ditto.
3546         (define_constraint "O"): Ditto.
3547         * config/i386/predicates.md
3548         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
3549         (define_predicate "const_0_to_3_operand"): Ditto.
3550         (define_predicate "const_0_to_7_operand"): Ditto.
3551         (define_predicate "const_0_to_15_operand"): Ditto.
3552         (define_predicate "const_0_to_63_operand"): Ditto.
3553         (define_predicate "const_0_to_255_operand"): Ditto.
3554         (define_predicate "const_1_to_31_operand"): Ditto.
3555         (define_predicate "const_2_to_3_operand"): Ditto.
3556         (define_predicate "const_4_to_7_operand"): Ditto.
3558 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
3560         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
3561         in SImode for save_world.
3562         * config/rs6000/altivec.md (save_world, restore_world): Convert to
3563         LR hard reg.
3565 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
3567         PR tree-optimization/30784
3568         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
3569         BIT_FIELD_REF.
3571 2007-03-25  Revital Eres  <eres@il.ibm.com>
3573         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
3574           Fold movement_possibility function into it.
3576 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
3578         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
3579         (load_macho_picbase_{si,di}): Convert to LR hard reg.
3580         (call_indirect_nonlocal_darwin64): Same.
3581         (call_nonlocal_darwin64): Same.
3582         (call_value_indirect_nonlocal_darwin64): Same.
3583         (call_value_nonlocal_darwin64): Same.
3584         (sibcall_nonlocal_darwin64): Same.
3585         (sibcall_value_nonlocal_darwin64): Same.
3586         (sibcall_symbolic_64): Same.
3587         (sibcall_value_symbolic_64): Same.
3588         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
3589         LR pseudo.
3590         (rs6000_emit_load_toc_table): Same.
3591         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
3592         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
3593         (mull_call): Same.
3594         (divss_call): Same.
3595         (divus_call): Same.
3596         (quoss_call): Same.
3597         (quous_call): Same.
3598         (load_toc_v4_pic_si): Same
3599         (load_toc_v4_PIC_1): Same.
3600         (load_toc_v4_PIC_1b): Same.
3601         (call_indirect_aix{32,64}): Same.
3602         (call_value_indirect_aix{32,64}): Same.
3603         (call): Same.
3604         (call_value): Same.
3605         (call_local{32,64}): Same.
3606         (call_value_local{32,64}): Same.
3607         (call_indirect_nonlocal_aix{32,64}): Same.
3608         (call_nonlocal_aix{32,64}): Same.
3609         (call_value_indirect_nonlocal_aix{32,64}): Same.
3610         (call_value_nonlocal_aix{32,64}): Same.
3611         (call_indirect_nonlocal_sysv<mode>): Same.
3612         (call_nonlocal_sysv<mode>): Same.
3613         (call_value_indirect_nonlocal_sysv<mode>): Same.
3614         (call_value_nonlocal_sysv<mode>): Same.
3615         (sibcall): Same.
3616         (sibcall_local{32,64}): Same.
3617         (sibcall_value_local{32,64}): Same.
3618         (sibcall_nonlocal_aix{32,64}): Same.
3619         (sibcall_value_nonlocal_aix{32,64}): Same.
3620         (sibcall_nonlocal_sysv<mode>): Same.
3621         (sibcall_value): Same.
3622         (sibcall_value_nonlocal_sysv<mode>): Same.
3624 2007-03-24  Paul Brook  <paul@codesourcery.com>
3626         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
3627         * config/arm/linux-eabi.h: Remove legacy syscall hack.
3629 2007-03-24  Richard Henderson  <rth@redhat.com>
3631         * config/ia64/constraints.md: New file.
3632         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
3633         satisfies_constraint_?.
3634         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
3635         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
3636         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
3637         ia64_output_mi_thunk): Likewise.
3638         (ia64_const_ok_for_letter_p): Remove.
3639         (ia64_const_double_ok_for_letter_p): Remove.
3640         (ia64_extra_constraint): Remove.
3641         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
3642         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
3643         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
3644         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
3645         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
3646         EXTRA_MEMORY_CONSTRAINT): Remove.
3647         * config/ia64/ia64.md: Include constriants.md.  Replace
3648         CONST_OK_FOR_? with satisfies_constraint_?.
3650 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
3651             H.J. Lu  <hongjiu.lu@intel.com>
3653         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
3654         DPD or BID name.
3655         (name macros): Use DPD_BID_NAME to convert names properly.
3657         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
3658         decimal floating point format.
3659         (init_floating_libfuncs): Change decimal functions so that they
3660         have a "bid_" prefix if the decimal system uses the BID format,
3661         and "dpd_" prefix if the decimal system uses the DPD format.
3662         (init_interclass_conv_libfuncs): Ditto.
3663         (init_intraclass_conv_libfuncs): Ditto.
3665         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
3666         using the BID format.
3668         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
3669         whether we are using the BID decimal format.
3670         * configure: Regenerate.
3672         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
3673         the compiler has decimal floating point enabled.  Define
3674         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
3675         instead of DPD.
3677         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
3678         using the BID format.
3680         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
3681         whether we are using the BID decimal format.
3682         * configure: Regenerate.
3684         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
3685         the compiler has decimal floating point enabled.  Define
3686         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
3687         instead of DPD.
3689         * doc/install.texi (--enable-decimal-float): Document BID and DPD
3690         options, and that it is enabled for i386/x86_64 systems.
3692         * Makefile.in (enable_decimal_float): New.
3693         (DECNUMFMT): New.
3694         (DECNUMINC): Add  -I$(DECNUMFMT).
3695         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
3696         to $(DECNUMFMT) from $(DECNUM).
3698         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
3699         Substitute enable_decimal_float.
3700         * configure: Regenerated.
3702         PR other/30529
3703         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
3704         unsigned long.
3706         * configure.ac: Enable decimal float for x86_64-*-linux*.
3707         * configure: Regenerated.
3709         PR other/30530
3710         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
3711         decimal128ClearSign to flip and clear the sign bit in decimal128.
3712         (decimal_real_maxval): Set decimal128SetSign to set the sign
3713         bit in decimal128.
3715 2007-03-23  Ian Lance Taylor  <iant@google.com>
3717         * fold-const.c (fold_binary): Correct warning for X - c >= X.
3719 2007-03-23  Ian Lance Taylor  <iant@google.com>
3721         * tree-dump.c (dump_files): Correct comment.
3723 2007-03-23  Ian Lance Taylor  <iant@google.com>
3725         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
3727 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
3729         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
3730         in cfglayout mode.  Don't go into and out of cfglayout mode.
3731         Link the blocks in the order of the constructed traces.
3732         (rest_of_handle_tracer): Adjust call to tracer.
3733         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
3734         Don't go into cfglayout mode.
3735         (rtl_loop_done): Don't go out of cfglayout mode.
3736         * cfglayout.c (relink_block_chain): New function, split out from...
3737         (fixup_reorder_chain): ...here.  Remove redundant checking.
3738         (cfg_layout_finalize): Don't clear the header, footer, and aux
3739         fields here, move the code to do so to relink_block_chain.  Likewise
3740         for free_original_copy_tables.
3741         * rtl.h (tracer): Update prototype.
3742         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
3743         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
3744         mode.  Use relink_block_chain to serialize the CFG according to the
3745         new basic block order.  Move targetm.cannot_modify_jumps_p check from
3746         here...
3747         (gate_handle_reorder_blocks): ...to here.
3748         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
3749         from here...
3750         (gate_duplicate_computed_gotos): ...to here.
3751         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
3752         something always changes when going into and out of cfglayout mode.
3753         Perform an expensive cfg cleanup while going into cfglayout mode.
3754         Always update liveness information on HAVE_conditional_execution
3755         targets.  Reserialize the basic blocks and go out of cfglayout mode.
3756         * reg-stack.c: Include cfglayout.h.
3757         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
3758         the call to reorder_basic_blocks.
3759         * basic-block.h (reorder_basic_blocks): Update prototype.
3760         (relink_block_chain): New prototype.
3761         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
3763 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
3765         * config/mips/mips.md (type, hazard, *movdi_32bit,
3766         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
3767         *movhi_internal, *movqi_internal, *movsf_hardfloat,
3768         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
3769         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
3770         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
3771         applicable.
3772         (movcc): Change first xfer to multi.
3773         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
3774         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
3775         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
3776         config/mips/generic.md: Change reservations using "xfer" to use
3777         "mfc,mtc".
3778         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
3779         using match_operand.
3780         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
3781         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
3782         examining mode.
3783         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
3785 2007-03-22  Richard Henderson  <rth@redhat.com>
3787         * config/i386/i386.c: Remove unnecessary function declarations.
3788         Move targetm definition, and all related macros, to the end of
3789         the file.  Resort some functions to put definitions before uses.
3790         (ix86_attribute_table): Make static.  Move to end of file.
3791         (ix86_gimplify_va_arg): Make static.
3793 2007-03-22  Richard Henderson  <rth@redhat.com>
3795         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
3796         don't increase local_regparm with force_align_arg_pointer check.
3797         (ix86_function_sseregparm): Assert 32-bit.
3798         (type_has_variadic_args_p): New.
3799         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
3800         type_has_variadic_args_p.
3801         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
3802         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
3803         use memset instead.  Do maybe_vaarg check first; skip attribute
3804         tests if true; skip attribute tests for 64-bit.
3805         (construct_container): Remove TARGET_DEBUG_ARG.
3806         (function_arg_advance_32, function_arg_advance_64): Split out ...
3807         (function_arg_advance): ... from here.
3808         (function_arg_32, function_arg_64): Split out ...
3809         (function_arg): ... from here.
3810         (ix86_pass_by_reference): Tidy.
3811         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
3812         (function_value_32): New, from parts of ix86_function_value
3813         and ix86_value_regno.
3814         (function_value_64): New, from parts of ix86_function_value
3815         and ix86_libcall_value.
3816         (ix86_function_value_1): New.
3817         (ix86_function_value, ix86_libcall_value): Use it.
3818         (return_in_memory_32, return_in_memory_64): Split out ...
3819         (ix86_return_in_memory): ... from here.
3820         (ix86_struct_value_rtx): Skip for 64-bit.
3821         (ix86_libcall_value, ix86_value_regno): Remove.
3822         (setup_incoming_varargs_64): Split out ...
3823         (ix86_setup_incoming_varargs): ... from here.
3824         (ix86_va_start): Remove TARGET_DEBUG_ARG.
3825         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
3826         * config/i386/i386-protos.h (ix86_function_value): Remove.
3827         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
3829 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3831         PR other/23572
3832         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
3833         infinities not supported, otherwise emit warning if -Woverflow. On
3834         underflow, emit warning if -Woverflow.
3835         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
3836         and 0 otherwise.
3837         * real.h (real_from_string): Update declaration
3839 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
3840             Richard Henderson  <rth@redhat.com>
3842         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
3843         * calls.c (compute_argument_block_size, expand_call,
3844         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
3845         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
3846         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
3847         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
3848         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
3849         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
3850         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
3851         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
3852         Set to 1.
3854 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
3856         * c-incpath.c (add_sysroot_to_chain): New.
3857         (merge_include_chains): Add sysroot argument.  Call
3858         add_sysroot_to_chain if sysrooted.
3859         (register_include_chains): Update call to merge_include_chains.
3860         * doc/cppopts.texi: Document use of '=' in include directory
3861         arguments.
3863 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
3865         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
3866         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
3867         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
3868         insn pattern using X87MODEF12 mode macro.
3870 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
3872         * regmove.c (regmove_optimize): Use reg_mentioned_p
3873         instead of reg_overlap_mentioned_p for DST.
3875 2007-03-21  Mike Stump  <mrs@apple.com>
3877         * c.opt: Fixup for Objective-C/C++.
3879 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
3881         * explow.c (convert_memory_address): Fold memory reference when
3882         POINTERS_EXTEND_UNSIGNED < 0
3884 2007-03-21  Richard Henderson  <rth@redhat.com>
3886         PR target/31245
3887         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
3888         * config/i386/mmintrin.h (__m64): Likewise.
3889         * config/i386/xmmintrin.h (__m128): Likewise.
3891 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3893         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
3894         (VXWORKS_OS_CPP_BUILTINS): Define.
3895         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
3896         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
3898 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3900         * rtl.h (constant_pool_reference_p): Delete.
3901         (find_constant_src): Declare.
3902         * rtlanal.c (find_constant_src): New function.
3903         * simplify-rtx.c (constant_pool_reference_p): Delete.
3904         * config/i386/i386.md: Use find_constant_src instead of
3905         constant_pool_reference_p/avoid_constant_pool_reference pairs.
3907 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
3909         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
3910         * c-cppbuiltin.c (c_cpp_builtins): Define them.
3912 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
3914         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
3915         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
3916         (arm_elf_asm_constructor): Use it.
3917         (arm_elf_asm_destructor): New function.
3919 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
3921         * jump.c (mark_jump_label): Treat SEQUENCE specially.
3923 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
3925         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
3927 2007-03-19  Andrew Haley  <aph@redhat.com>
3929         PR tree-optimization/31264
3930         * tree-vrp.c (register_edge_assert_for_1): Don't look though
3931         VIEW_CONVERT_EXPRs.
3933 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
3935         PR rtl-optimization/30907
3936         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
3937         (fwprop_init): Always call loop_optimizer_initialize.
3938         (fwprop_done): Always call loop_optimizer_finalize.
3939         (fwprop): We always have loop info now.
3940         (gate_fwprop_addr): Remove.
3941         (pass_fwprop_addr): Use gate_fwprop as gate.
3943         PR rtl-optimization/30841
3944         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
3945         df_chain_alloc): Call df_reorganize_refs unconditionally.
3946         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
3947         refs_organized to refs_organized_size.
3948         (df_ref_create_structure): Use refs_organized_size instead of
3949         bitmap_size if refs had been organized, and keep refs_organized_size
3950         up-to-date.
3951         * df.h (struct df_ref_info): Change refs_organized to
3952         refs_organized_size.
3953         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
3954         bitmap_size.
3956 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
3958         * except.c (output_function_exception_table): Do not reference the
3959         EH personality routine for functions that do not require an
3960         exception table.
3962 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
3964         PR c/30762
3965         * c-typeck.c (convert_for_assignment): Call comptypes for
3966         RECORD_TYPE or UNION_TYPE.
3968         PR inline-asm/30505
3969         * reload1.c (reload): Do invalid ASM checking after
3970         cleanup_subreg_operands.
3972 2007-03-19  Jeff Law  <law@redhat.com>
3974         * tree-cfg.c (find_taken_edge): Tighten conditions for
3975         optimizing computed gotos.
3977 2007-03-19  Michael Matz  <matz@suse.de>
3979         * builtins.c (expand_builtin_sync_operation,
3980         expand_builtin_compare_and_swap,
3981         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
3982         correctly.
3984         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
3985         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
3986         for operand 3.
3988 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3990         * doc/tm.texi: Add brackets around the return type of
3991         TARGET_SECONDARY_RELOAD.
3993 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3994         Richard Guenther  <rguenther@suse.de>
3996         PR tree-optimization/31254
3997         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
3998         Use handled_component_p () where appropriate.  Continue
3999         propagating into the rhs if we propagated into an INDIRECT_REF
4000         on the lhs.
4002 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4004         * config/s390/s390.md (op_type attribute): RRR instruction type added.
4005         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
4006         (xde, xdee): Mode attributes adjusted to support DFP modes.
4007         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
4008         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
4009         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
4010         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
4011         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
4012         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
4013         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
4014         numbers.
4015         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
4016         "movsf"): Insn definitions removed.
4017         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
4018         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
4019         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
4020         definitions added.
4021         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
4022         "reload_in<mode>", "reload_out<mode>"): Expander added.
4023         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
4024         Expander removed.
4026 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4028         * config/s390/s390.md: Only non-functional changes.  Renamed
4029         FPR mode macro to BFP all over the file.
4031 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4033         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
4034         (op_type attribute): RRF instruction type added.
4035         (fT0): New mode attribute.
4036         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
4037         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
4038         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
4039         no secondary memory is needed when moving DFmode values between GPRs
4040         and FPRs.
4042 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4044         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
4045         inverted and documentation adjusted.
4046         ("mhard-dfp", "msoft-dfp"): New options.
4047         * config/s390/s390.c (s390_handle_arch_option): New architecture
4048         switch: z9-ec.
4049         (override_options): Sanity checks for the new options added.
4050         * config.gcc: New architecture switch: z9-ec.
4051         * config/s390/s390.h (processor_flags): PF_DFP added.
4052         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
4053         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
4054         when the bit is NOT set so remove it from the defaults.
4056 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4058         * genemit.c (main): Print include statement for dfp.h.
4059         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
4060         is not available.
4062 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
4064         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
4066 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
4068         PR target/31022
4069         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
4070         instead of PATTERN.
4072 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4074         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
4075         attr_length_call, output_call, output_indirect_call): Cleanup
4076         formatting of targetm calls.
4078 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
4080         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
4082 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4084         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
4085         reservation, bypass and anti-bypass descriptions for these instructions.
4086         Update move patterns.
4087         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
4088         TYPE_FPSTORE.
4090 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
4092         * tree-vect-transform.c (get_initial_def_for_induction): Replace
4093         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
4094         (get_initial_def_for_reduction): Likewise.
4096 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
4098         Fix PR tree-optimization/29922
4099         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
4100         (get_representative): Removed.
4101         (value_dies_in_block_x): Update for rvuse removal.
4102         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
4103         (compute_antic_aux): Handle when PHI nodes appear in
4104         non-single-successors.
4105         (dump_bitmap_of_names): Removed.
4106         (compute_antic_safe): Renamed and removed rvuse calculation.
4107         Calculate only antic safe.
4108         (insert_into_preds_of_block): Remove assert.
4109         (execute_pre): Update for renamed functions.
4110         (defer_or_phi_translate_block): New function.
4112 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
4114         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
4115         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
4116         typos.
4117         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
4118         Follow spelling conventions.
4120         * tree-data-ref.h: Remove the prototype for analyze_array.
4122 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
4124         PR tree-optimization/31041
4125         * tree-vect-transform.c (get_initial_def_for_induction): Call
4126         force_gimple_operand.
4128 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
4130         * ipa-type-escape.c (look_for_casts) : Revert code to use
4131         handled_component_p due to ada test a-numaux.adb.
4133 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
4135         * final.c (final_scan_insn): Alter the condition of a
4136         conditional trap if we have nonstandard CC.
4138 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
4140         * configure.ac: Remove excess quoting from asm line 0 test.
4141         * configure: Rebuilt.
4143 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4145         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
4146         * c-common.c (convert_and_check): Move warning logic to...
4147         (warnings_for_convert_and_check): ...here. Define.
4148         * c-common.h (warnings_for_convert_and_check): Declare.
4150 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4152         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
4153         (output_call): Likewise.
4155 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
4157         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
4159 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
4161         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
4163 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
4165         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
4166         opteron, athlon-64 and athlon-fx processor_alias_table entries.
4168 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
4170         PR tree-optimization/31183
4171         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
4172         Use double_int instead of unsigned int for representing access_strides.
4173         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
4175 2007-03-16  Richard Guenther  <rguenther@suse.de>
4177         PR tree-optimization/31146
4178         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
4179         to allow recursion of forward_propagate_addr_expr.
4180         (forward_propagate_addr_into_variable_array_index): Likewise.
4181         (forward_propagate_addr_expr): Likewise.
4182         (tree_ssa_forward_propagate_single_use_vars): Likewise.
4183         (forward_propagate_addr_expr_1): Recurse on simple copies
4184         instead of propagating into them.  Do so for useless conversions
4185         as well.
4186         (forward_propagate_addr_expr): Clean up unused statements after
4187         recursion.
4189 2007-03-16  Richard Guenther  <rguenther@suse.de>
4191         * builtins.c (expand_builtin_cexpi): Use the right argument
4192         for the expansion via cexp.
4194 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
4196         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
4197         * configure: Rebuilt.
4199 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
4201         PR debug/29906
4202         * dwarf2out.c (force_type_die): Adjust comment.
4203         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
4205 2007-03-15  DJ Delorie  <dj@redhat.com>
4207         * config/frv/predicates.md (minmax_operator): Don't check operands
4208         here.
4210 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
4212         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
4213         Update constant estimates of number of iterations.
4214         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
4215         argument renamed to "realistic".
4216         (compute_estimated_nb_iterations): Removed.
4217         (record_niter_bound): New function.
4218         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
4219         call record_nonwrapping_iv with upper = false.
4220         (infer_loop_bounds_from_signedness): Pass upper argument to
4221         record_nonwrapping_iv.
4222         (estimate_numbers_of_iterations_loop): Do not call
4223         compute_estimated_nb_iterations.  Record estimate based on profile
4224         information.  Initialize the constant estimates of number of
4225         iterations.
4226         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
4227         estimates.
4228         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
4229         number of iterations is too small.
4230         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
4231         (EST_NOT_AVAILABLE): Removed.
4232         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
4233         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
4234         fields.
4236 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
4238         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
4239         Handle NE_EXPR guards.
4241 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4243         PR c++/24924
4244         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
4245         Set also -pedantic-errors by default for the  preprocessor unless
4246         -fpermissive is given.
4248 2007-03-15  Richard Guenther  <rguenther@suse.de>
4250         PR middle-end/29719
4251         PR middle-end/31161
4252         * builtins.c (expand_builtin_cexpi): As a fallback if we
4253         don't have builtins for sincos or cexp create a function
4254         declaration for cexp and expand to a call to that.
4255         (expand_builtin_int_roundingfn): Always fall
4256         back to floor/ceil and its variants even if they may be
4257         not available.
4259 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
4261         PR middle-end/31159
4262         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
4263         jump tables, move the call to delete_dead_jumptables from here...
4264         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
4265         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
4266         don't allow merging of blocks that try_redirect_by_replacing_jump
4267         also does not handle when not optimizing.
4269 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
4270             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
4272         * config/i386/i386.md (x86_sahf_1): Correctly handle
4273         HAVE_AS_IX86_SAHF.
4275 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
4277         PR target/31167
4278         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
4279         x86_64_general_operand as operand[2] predicate.  Remove "iF"
4280         from operand constraints and use "e" constraint instead.
4281         (*subti3_1, *subti3_1 splitter): Ditto.
4282         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
4283         operand[1] predicate.
4285 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
4287         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
4288         arrays, multiply the access strides by the size of the sub-array.
4289         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
4291 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
4293         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
4294         the configured assembler supports the sahf mnemonic.
4295         * configure: Regenerate.
4296         * config.in: Regenerate.
4298         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
4299         emit "sahf" or ".byte\t0x9e" as asm template.
4301 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
4303         PR 31018
4304         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
4305         option to replace hard coded TARGET_xxx in md file.
4306         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
4307         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
4308         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
4309         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
4310         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
4311         (X86_TUNE_NOT_VECTORMODE): Ditto.
4312         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
4313         (TUNE_AVOID_VECTOR_DECODE): Ditto.
4314         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
4315         (TUNE_SLOW_IMUL_IMM8): Ditto.
4316         (TUNE_MOVE_M1_VIA_OR): Ditto.
4317         (TUNE_NOT_UNPAIRABLE): Ditto.
4318         (TUNE_NOT_VECTORMODE): Ditto.
4320         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
4321         options.
4323         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
4324         tuning options instead of hard coded TARGET_xxx.
4325         (fix ssemode peephole2's): Ditto.
4326         (imul peephole2's): Ditto.
4327         (movsi_or): Ditto.
4328         (movdi_or_rex64): Ditto.
4329         (move peephole2): Ditto.
4330         (not peephole2's): Ditto.
4332 2007-03-14  Dirk Mueller  <dmueller@suse.de>
4334         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
4335         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
4336         * c-parser.c (c_parser_if_body): Always add an empty statement in case
4337         of empty body.
4338         * c-parser.c (c_parser_do_statement): Warn about empty body in
4339         do/while statement.
4340         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
4341         * doc/invoke.texi (-Wempty-body): Update documentation.
4343 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4345         PR c/21438
4346         * c-common.h (warn_for_div_by_zero): Declare.
4347         * c-common.c (warn_for_div_by_zero): Define.
4348         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
4349         warning.
4351 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4353         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
4354         to PREFIX and STANDARD_PREFIX.
4356 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4357             Phil Edwards  <phil@codesourcery.com>
4359         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
4360         (__gthread_once_t): Remove busy field for RTPs.
4361         (__GTHREAD_ONCE_INIT): Update accordingly.
4363 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4365         * doc/invoke.texi: Document VxWorks options.
4367 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
4369         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
4371 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
4373         PR tree-optimization/30590
4374         * tree-nrv.c (tree_nrv): Check for the partial update of the
4375         return value.
4377 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
4379         * flags.h (flag_random_seed): Remove declaration, in favor of...
4380         * toplev.h (get_random_seed, set_random_seed): ... these.
4381         * tree.c (get_file_function_name): Use the former.
4382         * opts.c (common_handle_option): Use the latter.
4383         * toplev.c
4385 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
4387         PR middle-end/31127
4388         * cse.c (cse_find_path): Do not bail out if a basic block that
4389         we already visited now becomes part of a path that starts at a
4390         different basic block.  Just disallow this, to make sure we
4391         visit each basic block at most once.
4393 2007-03-13  Jan Hubicka  <jh@suse.cz>
4395         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
4396         when profile esitmate is present, calls with very low frequency are
4397         cold.
4399 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
4401         PR tree-optimization/30730
4402         PR tree-optimization/26900
4403         * tree-ssa-loop-niter.c: Include gmp.h.
4404         (bounds): New type.
4405         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
4406         split_to_var_and_offset, determine_value_range,
4407         bound_difference_of_offsetted_base, refine_bounds_using_guard,
4408         bound_difference, bounds_add, bounds_negate,
4409         number_of_iterations_ne_max, dump_affine_iv): New functions.
4410         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
4411         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
4412         difference of initial and final value of control iv to validate
4413         results.
4414         (number_of_iterations_cond): Add loop parameter.  Determine bounds
4415         on the difference of the extremes of the control iv.  Add dumps.
4416         (expand_simple_operations): Handle phi nodes.
4417         (simplify_using_initial_conditions): Do not record used conditions.
4418         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
4419         Do not set additional_info.
4420         (implies_nonnegative_p, implies_ge_p): Removed.
4421         (derive_constant_upper_bound): Do not use parameter `additional'.
4422         (record_estimate): Parameter `additional' removed.  Parameter
4423         `i_bound' added.  Do not call derive_constant_upper_bound.
4424         (record_nonwrapping_iv): Use derive_constant_upper_bound to
4425         bound the number of iterations estimate.
4426         (estimate_numbers_of_iterations_loop): Pass the estimate from
4427         the number of iterations analysis to record_estimate.
4428         * tree.h (multiple_of_p): Declare.
4429         * tree-scalar-evolution.c (expression_expensive_p): Removed.
4430         (scev_const_prop): Do not check expression_expensive_p.
4431         * fold-const.c (multiple_of_p): Exported.
4432         * double-int.c (double_int_mask): Exported.
4433         * double-int.h (double_int_mask): Declare.
4434         * tree-flow.h (struct tree_niter_desc): Removed additional_info
4435         field.  Added max field.
4437 2007-03-13  David Taylor  <taylor@candd.org>
4439         PR driver/12448:
4440         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
4441         default -MQ.
4443 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4445         PR target/31123
4446         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
4447         two unamed patterns.
4449 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
4451         * config/i386/i386.opt (mcx16, msahf): New options.
4452         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
4453         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
4455         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
4456         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
4457         Output -mcx16 and -msahf options when corresponding bit is set.
4459         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
4460         and -msahf options.
4462 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
4464         * configure.ac: Test for assembler tolerance to # 0 "".
4465         * configure, config.in: Rebuilt.
4466         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
4468 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
4470         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
4472         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
4473         (handle_syscall): Handle direct system calls.
4474         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
4476 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
4478         * doc/invoke.texi: Fix cpp.info cross-reference.
4479         * doc/passes.texi: Fix gcc.info cross-reference.
4481 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
4483         PR tree-optimization/30835
4484         * lambda-code.c (can_convert_to_perfect_nest): Check whether
4485         bb_for_stmt is not NULL before accessing it.
4487 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
4489         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
4490         some multilibs.
4492 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
4494         PR 30635
4495         * doc/install.texi: Document --enable-stage1-languages
4497 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
4499         * tree-pass.h (pass_into_cfg_layout_mode,
4500         pass_outof_cfg_layout_mode): Declare.
4501         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
4502         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
4503         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
4504         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
4506 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
4508         * c-decl.c (warn_variable_length_array): New function.
4509         Refactored from grokdeclarator to handle warn_vla
4510         and handle unnamed array case.
4511         (grokdeclarator): Refactored VLA warning case.
4512         * c.opt (Wvla): New flag.
4513         * doc/invoke.texi (Wvla): New warning.
4515 2007-03-12  Richard Henderson  <rth@redhat.com>
4517         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
4518         (TARGET_SECTION_TYPE_FLAGS): New.
4520 2007-03-12  Richard Henderson  <rth@redhat.com>
4522         * config/darwin.c (machopic_reloc_rw_mask): New.
4523         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
4524         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
4526 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
4528         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
4529         * cppdefault.h (cpp_PREFIX): Document.
4530         (cpp_PREFIX_len): Likewise.
4531         (cpp_EXEC_PREFIX): New variable.
4532         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
4533         * c-incpath.c (add_standard_paths): Correct logic for relocating
4534         paths within prefix.
4536 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
4538         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
4539         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
4540         mode macro.
4541         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
4542         fix_truncdfdi_sse using SSEMODEF mode macro.
4543         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
4544         fix_truncdfsi_sse using SSEMODEF mode macro.
4545         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
4546         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
4548 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
4550         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
4551         elfos.h to tm_file.
4553 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
4555         * tree.h : Add multiple_of_p declaration.
4556         * fold-const.c (multiple_of_p): Make multiple_of_p public.
4557         * ipa-type-escape.c (results_of_malloc): Redundant.
4558         (visited_stmts): New. Visited stmt for walk_use_def_chains.
4559         (cast_type): Extended with new members.
4560         (check_cast): Returns cast_type.
4561         (cast): New structure for data of walk_use_def_chains.
4562         (is_malloc_result, is_cast_from_non_pointer_1,
4563         is_cast_from_non_pointer,
4564         is_array_access_through_pointer_and_index): New functions.
4565         (look_for_casts): Returns cast types.
4566         (check_call): Returns void.
4567         (okay_pointer_operation): Use support of pointer plus index,
4568         pointer plus constant and allow all multiplications.
4570 2007-03-11  Richard Guenther  <rguenther@suse.de>
4572         PR tree-optimization/31115
4573         * tree-vrp.c (extract_range_from_binary_expr): Make sure
4574         the shift count is positive and non-anti-range for RSHIFT_EXPR.
4575         A shift count of zero is not special as with *_DIV_EXPR.
4576         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
4577         direction.
4579 2007-03-11  Ian Lance Taylor  <iant@google.com>
4581         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
4582         the *_DIV_EXPR codes correctly with overflow infinities.
4584 2007-03-11  Ira Rosen  <irar@il.ibm.com>
4586         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
4587         indicate success/failure of the analysis. Add negation to subtrahend
4588         in case of subtraction. Fail if both operands contain constants.
4589         (create_data_ref): Fail if analyze_offset fails.
4591 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
4593         * config/i386/i386.md (frndintxf2): Rename to ...
4594         (rintxf2): ... this. Remove expander having same name.
4595         (rintsf2, rintdf2): Implement using SSEMODEF macro.
4596         (roundsf2, rounddf2): Ditto.
4597         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
4598         (lround<mode>di2, lround<mode>si2): Ditto.
4600 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
4602         * lower-subreg.c: Include except.h.
4603         (decompose_multiword_subregs): Verify that the only control flow
4604         insns we can split are loads to multi-words pseudos.
4605         Handle breaking such blocks after splitting, instead of calling
4606         find_many_sub_basic_blocks.
4608         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
4609         on the new basic block.  Add a lengthy comment explaining why we
4610         thought this was necessary.
4611         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
4613 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
4615         PR c++/30924
4616         * tree.c (walk_type_fields): Recurse into the element type of
4617         ARRAY_TYPEs if there is a pointer set.
4619 2007-03-10  Dirk Mueller  <dmueller@suse.de>
4621         * c-common.c (warn_logical_operator): Fix condition.
4623 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
4625         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
4626         quotation mark.
4627         * config/darwin.c (machopic_select_section): Remove superfluous
4628         argument in call to categorize_decl_for_section.  Remove unused
4629         variable shlib.
4631 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
4633         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
4634         defined.
4635         * configure: Regenerate.
4637 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
4639         PR target/31101
4640         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
4641         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
4642         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
4643         Add LABEL_NUSES to emitted label.
4644         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
4645         branch probability value to emitted jump insn.
4646         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
4647         Do not check life information and do not re-arrange input operands
4648         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
4650 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4652         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
4653         the change of decode_asm_operands.
4655 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4657         * mode-switching.c (create_pre_exit): Skip blockage insn.
4659 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
4661         * tree-pass.h (TODO_update_smt_usage): Remove.
4662         Update all users.
4663         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
4664         argument SOME.
4665         Update all users.
4667 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4669         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
4670         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
4671         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
4672         SOM target.
4674 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
4676         * gcc.c: Document %{, in big comment at top.
4677         (input_suffix_matches): Remove special handling for .s and
4678         .S.
4679         (input_spec_matches): New.
4680         (handle_braces): Handle %{,.
4681         (validate_switches): ',' indicates a value which is not a switch.
4682         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
4683         to detect assembler input.
4684         * config/i386/sol2.h (CPP_SPEC): Likewise.
4685         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
4686         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
4687         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
4688         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
4689         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
4690         -m64 causes deployment target to default to 10.5.
4691         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
4693 2007-03-09  Richard Henderson  <rth@redhat.com>
4695         PR target/26090
4696         * target.h (targetm.asm.out.reloc_rw_mask): New.
4697         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
4698         (TARGET_ASM_OUT): Use it.
4699         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
4700         * varasm.c (categorize_decl_for_section): Remove shlib argument;
4701         use the new reloc_rw_mask target hook instead.
4702         (default_section_type_flags_1): Merge into...
4703         (default_section_type_flags): ... here.
4704         (decl_readonly_section_1): Merge into...
4705         (decl_readonly_section): ... here.
4706         (default_elf_select_section_1): Merge into...
4707         (default_elf_select_section): ... here.
4708         (default_unique_section_1): Merge into...
4709         (default_unique_section): ... here.
4710         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
4711         (default_select_rtx_section): Use it.
4712         (default_elf_select_rtx_section): Likewise.
4713         * output.h: Update to match.
4714         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
4715         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
4716         (TARGET_ASM_RELOC_RW_MASK): New.
4717         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
4718         to categorize_decl_for_section.
4719         (x86_64_elf_unique_section): Likewise.
4720         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
4721         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
4722         (TARGET_ASM_RELOC_RW_MASK): New.
4723         * config/ia64/ia64.c (ia64_rwreloc_select_section,
4724         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
4725         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
4726         (TARGET_RWRELOC): Remove.
4727         (ia64_section_type_flags): Adjust call to default_section_type_flags.
4728         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
4729         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
4730         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
4731         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
4732         (rs6000_xcoff_select_section): Use decl_readonly_section.
4733         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
4734         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
4735         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
4736         (TARGET_SECTION_TYPE_FLAGS): Remove.
4737         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
4739 2007-03-09  Roger Sayle  <roger@eyesopen.com>
4741         * fold-const.c (fold_comparison): Remove compile-time evaluation of
4742         complex constant equality/inequality comparisons for here.
4743         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
4744         known at compile-time or can be simplified to a scalar comparison.
4745         (fold_relational_const): Move compile-time evaluation of complex
4746         constant equality/inequality comparisons to here.
4748 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4750         PR rtl-optimization/30643
4751         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
4752         dest_addr_elt.
4753         (fold_rtx): Recurse, like before 2006-11-03.
4755 2007-03-09  DJ Delorie  <dj@redhat.com>
4757         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
4758         m32c-pragma.o.
4760 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
4762         PR tree-optimization/30375
4763         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
4764         LHS of statements is not the same.
4765         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
4767 2007-03-09  Chao-ying Fu  <fu@mips.com>
4769         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
4770         REV 2.
4771         * doc/invoke.texi (-mdspr2): Document new option.
4772         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
4773         New unspec for DSP REV 2.
4774         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
4775         these instructions are extended in DSP REV 2.
4776         (mips-dspr2.md): Include.
4777         * config/mips/mips.opt (mdspr2): New option.
4778         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
4779         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
4780         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
4781         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
4782         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
4783         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
4784         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
4785         and 2 builtins.
4786         (bdesc_map): Add one field of unsupported_target_flags.
4787         (bdesc_arrays):  Update entries to have extra fields.  Add
4788         dsp_32only_bdesc.
4789         (mips_init_builtins): Initialize new function types.
4790         Check unsupported_target_fileds to filter out builtins.
4791         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
4792         TARGET_DSPR2.
4793         (ASM_SPEC): Pass mdspr2 to the assembler.
4794         * config/mips/mips-dspr2.md: New file.
4796 2007-03-09  Sa Liu  <saliu@de.ibm.com>
4798         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
4800 2007-03-09  Ian Lance Taylor  <iant@google.com>
4802         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
4803         argument) like -Wstrict-overflow=2.
4804         * doc/invoke.texi (Warning Options): Update documentation.
4806 2007-03-09  Dirk Mueller  <dmueller@suse.de>
4808         PR c++/17946
4809         * doc/invoke.texi (-Wlogical-op): Document.
4810         * common.opt (-Wlogical-op): New.
4811         * c-common.h (warn_logical_operator): Declare.
4812         * c-common.c (warn_logical_operator): Define.
4813         * c-typeck.c (parser_build_binary_op): Call
4814         warn_logical_operator.
4816 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4818         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
4819         * final.c (final_scan_insn): Test for non-"" file name.
4821 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
4823         * doc/loop.texi: Document the Omega linear constraints solver.
4824         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
4825         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
4826         omega-hash-table-size, omega-max-keys, and
4827         omega-eliminate-redundant-constraints.
4828         * tree-pass.h (pass_check_data_deps): Declared.
4829         * omega.c: New.
4830         * omega.h: New.
4831         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
4832         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
4833         pass_check_data_deps): New.
4834         * tree-data-ref.c (init_data_ref): Remove declaration.
4835         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
4836         (analyze_array): Renamed init_array_ref, move up initializations.
4837         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
4838         Removed arguments that are set to NULL.
4839         (analyze_indirect_ref): Correct indentation, correct call to
4840         init_pointer_ref.
4841         (object_analysis): Call init_array_ref instead of analyze_array.
4842         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
4843         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
4844         of DR_ACCESS_FNS_ADDR.
4845         (init_omega_eq_with_af, omega_extract_distance_vectors,
4846         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
4847         ddr_consistent_p): New.
4848         (compute_affine_dependence): Check consistency of ddrs when
4849         flag_check_data_deps is passed.
4850         (analyze_all_data_dependences): Uncomment.
4851         (tree_check_data_deps): New.
4852         * tree-data-ref.h: Include omega.h.
4853         (DR_ACCESS_FNS_ADDR): Removed.
4854         (data_dependence_relation): Add inner_loop.
4855         (DDR_INNER_LOOP): New.
4856         * common.opt (fcheck-data-deps): New.
4857         * tree-flow.h (tree_check_data_deps): Declare.
4858         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
4859         (OBJS-common): Depend on omega.o.
4860         (omega.o): Define.
4861         * passes.c (pass_check_data_deps): Scheduled.
4862         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
4863         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
4864         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
4865         PARAM_VECT_MAX_VERSION_CHECKS,
4866         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
4868 2007-03-09  Richard Guenther  <rguenther@suse.de>
4870         PR tree-optimization/30904
4871         PR middle-end/31058
4872         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
4873         the same way as *_DIV_EXPR.
4875 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4877         * recog.c (decode_asm_operands): No mixed declarations and code.
4879 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4881         * rtl.def (ASM_INPUT): Add location.
4882         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
4883         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
4884         (decode_asm_operands): Add loc operand.
4885         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
4886         * stmt.c (expand_asm): Rename to...
4887         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
4888         gen_rtx_ASM_INPUT_loc.
4889         (expand_asm_expr): Adjust.
4890         * recog.c (decode_asm_operands): Add loc operand.
4891         (check_asm_operands, extract_insn): Adjust.
4892         * reload1.c (maybe_fix_stack_asms): Likewise.
4893         * final.c (asm_insn_count): Likewise.
4894         (final_scan_insn): Output # line before and after asm.
4896 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
4898         * tree-ssa-structalias.c (variable_info): Remove
4899         finished_solution.
4900         (new_var_info): Ditto.
4901         (shared_bitmap_info_t): New structure.
4902         (shared_bitmap_table): New variable.
4903         (shared_bitmap_hash): New function.
4904         (shared_bitmap_eq): Ditto
4905         (shared_bitmap_lookup): Ditto.
4906         (shared_bitmap_add): Ditto.
4907         (merge_smts_into): Change to take bitmap directly.
4908         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
4909         (init_alias_vars): Init shared bitmap hashtable.
4910         (delete_points_to_sets): Delete shared bitmap hashtable.
4911         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
4912         is_aliased removal as a change that was still necessary was
4913         deleted.
4915 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
4917         * config/i386/i386.h (override_options): Conditionally disable
4918         x86_sahf for 64bit targets only.
4920 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4922         PR C/31072
4923         * c-decl.c (merge_decls): Don't call make_var_volatile.
4924         * varasm.c (make_var_volatile): Remove.
4925         * output.h (make_var_volatile): Remove.
4927 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
4929         PR tree-optimization/31085
4930         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
4932 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4934         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
4935         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
4936         ATTR_CONST_NOTHROW_LIST.
4938         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
4939         FIX_TRUNC_EXPR.
4941 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
4943         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
4945 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
4947         PR 31013
4948         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
4949         is declared.
4950         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
4951         passed, use shared libgcc.
4953 2007-03-08  Roger Sayle  <roger@eyesopen.com>
4955         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
4956         instead of calling build2 with a GIMPLE_MODIFY_STMT.
4957         (honor_protect_cleanup_actions, lower_try_finally_switch):
4958         Likewise.
4959         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
4960         ifc_temp_var): Likewise.
4961         * tree-inline.c (setup_one_parameter): Likewise.
4962         * tree-mudflap.c (mf_decl_cache_locals,
4963         mf_build_check_statement_for): Likewise.
4964         * tree-nested.c (init_tmp_var, save_tmp_var,
4965         finalize_nesting_tree_1): Likewise.
4966         * tree-outof-ssa.c (insert_copy_on_edge,
4967         insert_backedge_copies): Likewise.
4968         * tree-profile.c (tree_gen_edge_profiler,
4969         tree_gen_ic_profiler): Likewise.
4970         * tree-scalar-evolution.c (scev_const_prop): Likewise.
4971         * tree-sra.c (sra_build_assignment): Likewise.
4972         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
4973         * tree-ssa-math-opts.c (insert_reciprocals,
4974         execute_cse_sincos_1): Likewise.
4975         * tree-tailcall.c (adjust_accumulator_values,
4976         adjust_return_value): Likewise.
4977         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
4978         * tree-vect-transform.c (vect_create_data_ref_ptr,
4979         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
4980         vect_create_epilog_for_reduction, vectorizable_reduction,
4981         vectorizable_call, vectorizable_conversion,
4982         vectorizable_assignment, vectorizable_operation,
4983         vectorizable_type_demotion, vect_gen_widened_results_half,
4984         vect_permute_store_chain, vectorizable_store,
4985         vect_setup_realignment, vect_permute_load_chain,
4986         vectorizable_load, vectorizable_condition,
4987         vect_create_cond_for_align_checks): Likewise.
4988         * tree-vrp.c (build_assert_expr_for): Likewise.
4990 2007-03-08  Ian Lance Taylor  <iant@google.com>
4992         * tree-vrp.c: Include "intl.h".
4993         (usable_range_p): New static function.
4994         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
4995         overflowed values, juts set *strict_overflow_p.
4996         (compare_values): Only return -2 if one of the operands is not a
4997         constant.
4998         (compare_ranges): Call usable_range_p.
4999         (compare_range_with_value): Likewise.
5000         (vrp_evaluate_conditional_warnv): Rename from
5001         vrp_evaluate_conditional.  Make static.  Change all callers.
5002         (vrp_evaluate_conditional): New function.
5003         (simplify_div_or_mod_using_ranges): Issue warning about reliance
5004         on signed overflow.
5005         (simplify_abs_using_ranges): Likewise.
5006         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
5007         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
5008         within_stmt parameter.
5009         * tree-ssa-propagate.c (fold_predicate_in): Update call to
5010         vrp_evaluate_conditional.
5011         * tree-ssa-threadedge.c
5012         (record_temporary_equivalences_from_stmts_at_dest): Change
5013         simplify parameter to take a second tree parameter.
5014         (simplify_control_stmt_condition): Likewise.
5015         (thread_across_edge): Likewise.
5016         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
5017         (thread_across_edge): Likewise.
5018         * Makefile.in (tree-vrp.o): Depend upon intl.h.
5020 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
5022         * config/i386/i386.h (TARGET_SAHF): New define.
5023         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
5024         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
5025         (x86_sahf): New global variable.
5026         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
5027         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
5028         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
5029         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
5030         for 64-bit.
5031         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
5032         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
5033         when expanding fcomi/sahf based tests.
5034         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
5035         expanding sahf based alternative. Emit sahf based sequence when
5036         optimizing for code size.
5037         * config/i386/i386.md (x86_sahf_1): Do not disable for
5038         TARGET_64BIT, enable for TARGET_SAHF.
5040 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
5042         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
5043         spurious whitespace from error message.
5045 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
5047         PR c++/30852
5048         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
5050 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
5052         * c-decl.c (grokdeclarator): Disable warnings for anonymous
5053         bitfields.
5054         * tree-sra.c (instantiate_element): Propagate disabled warnings
5055         from the element itself to the created variable.
5057 2007-03-07  Richard Henderson  <rth@redhat.com>
5059         PR target/30848
5060         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
5061         silently fix up the stack in the case of a missing register.
5063 2007-03-07  Paul Brook  <paul@codesourcery.com>
5065         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
5067 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
5069         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
5070         New.
5071         (phase1_vrs): Use them.
5072         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
5073         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
5074         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
5075         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
5076         __gnu_Unwind_Restore_WMMXC if required.
5077         (_Unwind_VRS_Pop): Implement iWMMXt support.
5078         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
5079         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
5080         gnu_Unwind_Save_WMMXC): Define.
5082 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
5084         * config/vxworks.h (vxworks_override_options): Declare.
5085         (VXWORKS_OVERRIDE_OPTIONS): Use it.
5086         * config/vxworks.c: Include target.h and toplev.h.
5087         (vxworks_override_options): New function.
5088         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
5090 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
5092         * config/s390/s390.c (override_options): Don't emit an error when
5093         -mstack-size is used without providing -mstack-guard.
5094         (s390_emit_prologue): Choose stack_guard value automatically if not
5095         provided via command line.
5096         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
5098 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
5100         * config/i386/i386.c (output_set_got): Add a GOT initialization
5101         sequence for VxWorks PIC.
5102         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
5103         around labels as well as symbols.  Use gotoff_operand instead
5104         of local_symbolic_operand.
5105         (legitimize_pic_address): Use gotoff_operand instead of
5106         local_symbolic_operand.  Use @GOT accesses for labels as
5107         well as symbols.
5108         (ix86_output_addr_diff_elt): Use PC-relative rather than
5109         GP-relative offsets for VxWorks PIC.
5110         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
5111         no_new_pseudos.  Check whether the returned register is op0.
5112         * config/i386/i386.md (tablejump): Use PC-relative rather than
5113         GP-relative offsets for VxWorks PIC.
5114         * config/i386/predicates.md (gotoff_operand): New predicate.
5116 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5118         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
5119         before defining.
5120         * config/vxworks-dummy.h: New file.
5121         * config/i386/i386.h: Include it.
5123 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
5125         * dwarf2out.c (is_inlined_entry_point): New
5126         (add_high_low_attributes): Emit DW_AT_entry_pc along with
5127         DW_AT_ranges if the first subblock is the entry point.
5129 2007-03-06  David Daney  <ddaney@avtrex.com>
5131         * doc/install.texi (mips-*-*): Change recommended binutils
5132         version.
5134 2007-03-06  Anatoly Sokolov <aesok@post.ru>
5136         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
5137         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
5138         devices.
5139         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5140         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5142 2007-03-06  Jan Hubicka  <jh@suse.cz>
5144         * errors.h (warning, error, fatal, internal_error): Mark as cold.
5145         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
5146         are hot.
5147         (probably_cold_bb_p): Cold functions are cold.
5148         (probably_never_executed_bb_p): Cold functions are cold.
5149         (tree_bb_level_predictions): Predict calls to cold functions as not
5150         taken.
5151         (compute_function_frequency): Check hot/cold attributes.
5152         * function.h (function_frequency): Update comments.
5153         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
5154         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
5155         (c_common_att): Add cold and hot.
5157         * doc/extend.texi (hot,cold attributes): Document.
5159 2007-03-06  Andrew Haley  <aph@redhat.com>
5161         * function.c (expand_function_end): Move blockage to just after we
5162         emit the label for the naked return from the function.
5164 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5166         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
5167         before redefining.
5169 2007-03-06  Jan Hubicka  <jh@suse.cz>
5171         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
5172         loaded for constant large models.  Non-large 64bit PIC can do.
5173         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
5174         * cmodel.h: Add LARGE PIC.
5175         * i386.md (UNSPEC_PLTOFF): New.
5176         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
5177         needed.
5178         (*call_1_rex64): Disable for large models.
5179         (*call_1_rex64_large): New.
5180         (*call_value_1_rex64): Disable for large models.
5181         (*call_value_1_rex64_large): New.
5182         (set_rip_rex4): New.
5183         (set_got_offset_rex64): New.
5184         * predicates.md (constant_call_address_operand): For large model
5185         constant calls are not possible.
5186         * i386-protos.h (construct_plt_address): Declare.
5187         * i386.c (override_options): Accept large models.
5188         (ix86_expand_prologue): Expand large PIC GOT pointer load.
5189         (legitimate_constant_p): Add new UNSPECs.
5190         (legitimate_pic_operand_p): Likewise.
5191         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
5192         (legitimize_pic_address): Do easy RIP relative way for TLS only for
5193         non-large model.
5194         (output_pic_addr_const): Add PLTOFF.
5195         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
5196         (ix86_expand_move): Legitimize pic address when in PIC mode.
5197         (construct_plt_address): New function.
5198         (ix86_expand_call): Offload the address to register and use GOT pointer
5199         for large model.
5200         * invoke.texi (mcmodel=large): Update documentation.
5202 2007-03-06  Richard Henderson  <rth@redhat.com>
5204         * config/i386/i386.c (x86_use_leave, x86_push_memory,
5205         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
5206         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
5207         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
5208         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
5209         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
5210         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
5211         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
5212         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
5213         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
5214         x86_partial_reg_dependency, x86_memory_mismatch_stall,
5215         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
5216         x86_sse_partial_reg_dependency, x86_sse_split_regs,
5217         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
5218         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
5219         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
5220         x86_schedule, x86_use_bt, x86_pad_returns,
5221         x86_use_xchgb): Merge into ...
5222         (ix86_tune_features): ... here.  New array.
5223         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
5224         x86_bswap): Merge into ...
5225         (ix86_arch_features): ... here.  New array.
5226         (x86_3dnow_a): Remove.
5227         (x86_accumulate_outgoing_args): Make static.
5228         (x86_arch_always_fancy_math_387): Make static.
5229         (ix86_tune_mask, ix86_arch_mask): Move ...
5230         (override_options): ... to local variables here.  Apply the
5231         appropriate mask to each element of ix86_arch_features and
5232         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
5233         as were done in the old macros.
5234         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
5235         * config/i386/i386.h (x86_use_leave, x86_push_memory,
5236         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
5237         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
5238         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
5239         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
5240         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
5241         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
5242         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
5243         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
5244         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
5245         x86_partial_reg_dependency, x86_memory_mismatch_stall,
5246         x86_accumulate_outgoing_args, x86_prologue_using_move,
5247         x86_epilogue_using_move, x86_decompose_lea,
5248         x86_arch_always_fancy_math_387, x86_shift1,
5249         x86_sse_partial_reg_dependency, x86_sse_split_regs,
5250         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
5251         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
5252         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
5253         x86_use_incdec, x86_pad_returns, x86_bswap,
5254         x86_partial_flag_reg_stall): Remove.
5255         (enum ix86_tune_indices): New.
5256         (ix86_tune_features): New.
5257         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
5258         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
5259         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
5260         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
5261         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
5262         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
5263         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
5264         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
5265         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
5266         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
5267         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
5268         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
5269         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
5270         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
5271         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
5272         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
5273         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
5274         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
5275         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
5276         TARGET_EXT_80387_CONSTANTS): Use it.
5277         (enum ix86_arch_indices): New.
5278         (ix86_arch_features): New.
5279         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
5280         TARGET_BSWAP): Use it.
5281         (ix86_tune_mask, ix86_arch_mask): Remove.
5283 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
5285         PR bootstrap/31020
5286         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
5287         Define using $${sysroot_headers_suffix}.
5288         * configure: Regenerate.
5289         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
5290         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
5291         defined.
5292         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
5293         * gcc.c (print_sysroot_headers_suffix): New.
5294         (option_map): Include --print-sysroot-headers-suffix.
5295         (display_help): Mention -print-sysroot-headers-suffix.
5296         (process_command): Handle -print-sysroot-headers-suffix.
5297         (do_spec_1): Append multilib directory to include-fixed path if
5298         sysroot suffixes in use.
5299         (main): Handle -print-sysroot-headers-suffix.
5300         * Makefile.in (start.encap): Don't depend on xlimits.h
5301         (xlimits.h): Remove.
5302         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
5303         limits.h for each multilib in fixinc_list.
5304         (fixinc_list, s-fixinc_list): New.
5305         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
5306         generate them for each multilib in fixinc_list.
5307         (stmp-fixproto): Use include-fixed.  Run fixproto for each
5308         multilib in fixinc_list.
5309         (mostlyclean): Don't remove xlimits.h.
5310         (clean): Remove include-fixed.
5311         (real-install-headers-tar, real-install-headers-cpio,
5312         real-install-headers-cp): Don't copy include, only include-fixed.
5313         (install-mkheaders): Depend on fixinc_list.  Don't depend on
5314         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
5315         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
5316         SYSTEM_HEADER_DIR setting in mkheaders.conf.
5318 2007-03-06  Jan Hubicka  <jh@suse.cz>
5320         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
5321         NANs easilly.
5323 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5325         * configure.ac: Allow tm_file to contain build-directory files.
5326         * configure: Regenerate.
5327         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
5328         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
5329         * config/m68k/print-sysroot-suffix.sh: New file.
5331 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5333         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
5334         of pic_offset_table_rtx if reload_completed.
5335         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
5336         PIC_OFFSET_TABLE_REGNUM.
5337         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
5338         return true.
5339         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
5340         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
5342 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5344         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
5345         functions that call eh_return.
5347 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5349         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
5350         functions that need a constant pool.
5352 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5354         PR target/28181
5355         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
5356         (m68k_preferred_reload_class): Likewise.
5357         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
5358         (SECONDARY_RELOAD_CLASS): Define.
5359         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
5360         (LIMIT_RELOAD_CLASS): Delete.
5361         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
5362         registers from storing bytes.
5363         (m68k_secondary_reload_class): New function.
5364         (m68k_preferred_reload_class): Likewise.
5366 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5368         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
5369         leaf functions.
5370         (m68k_expand_prologue): Likewise.
5372 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5374         * config/m68k/m68k-protos.h (output_sibcall): Declare.
5375         (mips_expand_epilogue): Add a bool parameter.
5376         (m68k_legitimize_sibcall_address): Declare.
5377         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
5378         (m68k_expand_epilogue): Add a parameter to select between sibling
5379         and normal epilogues.  Only generate a return for the latter.
5380         (m68k_ok_for_sibcall_p): New function.
5381         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
5382         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
5383         (sibcall_value, *sibcall_value): Likewise.
5384         (*call, *call_value): Require !SIBLING_CALL_P.
5385         (epilogue): Update call to m68k_expand_epilogue.
5386         (sibcall_epilogue): New pattern.
5387         * config/m68k/predicates.md (const_call_operand): Say that this
5388         predicate applies to sibling calls too.
5389         (sibcall_operand): New predicate.
5391 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5393         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
5394         alternatives as movsi_cf.
5395         (movsf_cf_hard): Add commentary.
5397 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
5398             Richard Sandiford  <richard@codesourcery.com>
5400         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
5401         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
5402         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
5403         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
5404         as being live on exit from an interrupt function.
5405         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
5406         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
5407         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
5408         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
5409         (m68k_interrupt_function_p): Globalize.
5410         (m68k_compute_frame_layout): Remove reverse mask code.
5411         (m68k_emit_movem, m68k_set_frame_related): New functions.
5412         (m68k_output_function_prologue): Delete in favor of...
5413         (m68k_expand_prologue): ...this new function.
5414         (m68k_output_function_epilogue): Delete in favor of...
5415         (m68k_expand_epilogue): ...this new function.
5416         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
5417         functions.
5418         (print_operand): Handle %?.
5419         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
5420         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
5421         (prologue, epilogue): New patterns.
5422         (return): Turn into a define_expand.
5423         (*return): New pattern, derived from old "return" pattern.  Use rte
5424         rather than rts for interrupt functions.  Only use rtd if the pop
5425         count is nonzero.
5426         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
5427         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
5428         (link, *link, unlink, *unlink, load_got): Likewise.
5430 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5432         PR target/23482
5433         PR target/17114
5434         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
5435         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
5436         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
5437         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
5438         and m68k_matches_u_p.
5439         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
5440         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
5441         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
5442         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
5443         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
5444         (REG_STRICT_P): New macro.
5445         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
5446         PCREL_GENERAL_OPERAND_OK.
5447         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
5448         m68k_legitimate_base_reg_p.
5449         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
5450         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
5451         (PIC_CASE_VECTOR_ADDRESS): Update comment.
5452         * config/m68k/m68k.c (m68k_address): New structure.
5453         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
5454         (m68k_decompose_index, m68k_legitimate_constant_address_p)
5455         (m68k_jump_table_ref_p, m68k_decompose_address)
5456         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
5457         (m68k_matches_u_p): New functions.
5458         (print_operand_address): Rewrite to use m68k_decompose_index.
5460 2007-03-05  David Taylor  <dtaylor@emc.com>
5462         * gcc.c: Correct copyright date in --version output.
5464 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5466         * pa.md: In unamed move patterns, disparge copies between general
5467         and floating point registers using '?' modifier.  Don't include 'f'
5468         constraint for register preferences in DImode, SImode, HImode and
5469         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
5470         Remove constraints for copies between general and floating registers
5471         in soft-float DFmode pattern.
5472         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
5473         floating register.
5474         (movsf): Likewise.
5476 2007-03-05  Mike Stump  <mrs@apple.com>
5478         * c-common.c (targetcm): Add.
5479         * c-opts.c (c_common_handle_option): Handle language specific
5480         target options.
5481         * opts.c (handle_option): Verify language for target options, if
5482         any are given.
5483         * opth-gen.awk: Add CL_LANG_ALL.
5484         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
5485         (TARGETCM_INITIALIZER): Add.
5486         * target.h (struct gcc_targetcm): Add.
5487         (targetcm): Add.
5488         * targhooks.c (default_handle_c_option): Add.
5489         * targhooks.h (default_handle_c_option): Add.
5490         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
5492         * config/darwin.opt (iframework): Add.
5493         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
5494         * config/darwin-c.c (handle_c_option): Add.
5495         (TARGET_HANDLE_C_OPTION): Add.
5496         (targetcm): Add.
5497         * doc/invoke.texi (Darwin Options): Add -iframework.
5499 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5501         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
5502         conversion.
5504 2007-03-05  Ian Lance Taylor  <iant@google.com>
5506         * c.opt (fgnu89-inline): New option.
5507         * c-opts.c (c_common_post_options): Set default value for
5508         flag_gnu89_inline.
5509         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
5510         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
5511         inline functions.
5512         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
5513         (grokdeclarator, start_function): Likewise.
5514         * c-cppbuiltin.c (c_cpp_builtins): Define either
5515         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
5516         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
5517         (C Dialect Options): Document -fgnu89-inline.
5518         * doc/extend.texi (Function Attributes): Explain what the
5519         gnu_inline attribute does.
5520         * doc/cpp.texi (Common Predefined Macros): Document
5521         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
5523 2007-03-05  Ian Lance Taylor  <iant@google.com>
5525         PR tree-optimization/31034
5526         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
5527         half-range if the other side is an overflow infinity.
5529 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
5531         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
5532         (bfin*-linux-uclibc*): New configuration.
5533         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
5534         defining.
5535         * config/bfin/linux.h: New file.
5536         * config/bfin/libgcc-bfin.ver: New file.
5537         * config/bfin/t-bfin-uclinux: New file.
5538         * config/bfin/t-bfin-linux: New file.
5539         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
5540         (TARGET_OS_CPP_BUILTINS): New macro.
5542 2007-03-05  Richard Guenther  <rguenther@suse.de>
5544         * fold-const.c (fold_binary): Remove duplicate folding
5545         of comparison of non-null ADDR_EXPR against null.
5547 2007-03-05  Richard Guenther  <rguenther@suse.de>
5548             Dorit Nuzman  <dorit@il.ibm.com>
5550         PR tree-optimization/26420
5551         * tree-vectorizer.c (vectorize_loops): Bail out early if there
5552         are no loops in the function.  Only print the number of
5553         vectorized loops if it is greater than zero or we are supposed
5554         to print information about unvectorized loops.
5556 2007-03-05  Revital Eres  <eres@il.ibm.com>
5558         * gcc.dg/var-expand1.c: New test.
5559         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
5560         when an accumulator is expanded.
5562 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5564         PR other/30465
5565         * c-common.c (convert_and_check): Don't give warnings for
5566         conversion if 'expr' already overflowed.
5568 2007-03-04  Roger Sayle  <roger@eyesopen.com>
5570         PR middle-end/30744
5571         * fold-const.c (fold_comparison): Enforce type consistency when
5572         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
5574 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
5576         * tree-ssa-address.c (create_mem_ref): Do not put an expression
5577         containing a cast to the base of TARGET_MEM_REF.
5579 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
5581         * tree.c (tree_contains_struct_check_failed): Remove spurious
5582         whitespace from error message.
5584 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
5586         PR target/30406
5587         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
5588         instead of precision.
5590 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
5591             Nathan Sidwell  <nathan@codesourcery.com>
5593         * emit-rtl.c (find_auto_inc): New.
5594         (try_split): recreate REG_INC notes,
5595         Use regular for loops rather than whiles.
5597 2007-03-03  Andreas Schwab  <schwab@suse.de>
5599         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
5600         * configure: Regenerate.
5602 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5604         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
5605         flag_rounding_math, not flag_unsafe_math_optimizations.
5607         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
5608         fold_build2.
5609         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
5610         alpha_fold_vector_minmax): Likewise.
5611         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
5612         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
5614 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
5616         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
5617         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
5618         if the lhs has side-effects.
5619         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
5621 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5623         * config/i386/i386.h (TUNEMASK): Remove define.
5624         (ARCHMASK): Remove define.
5625         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
5626          Use ix86_arch_mask variable instead of ARCHMASK.
5627         * config/i386/i386.c (override_options): Ditto.
5628         (standard_80387_constant_p): Ditto.
5630 2007-03-02  Ian Lance Taylor  <iant@google.com>
5632         Used signed infinities in VRP.
5633         * tree-vrp.c (uses_overflow_infinity): New static function.
5634         (supports_overflow_infinity): New static function.
5635         (make_overflow_infinity): New static function.
5636         (negative_overflow_infinity): New static function.
5637         (positive_overflow_infinity): New static function.
5638         (is_negative_overflow_infinity): New static function.
5639         (is_positive_overflow_infinity): New static function.
5640         (is_overflow_infinity): New static function.
5641         (overflow_infinity_range_p): New static function.
5642         (compare_values_warnv): New function split out of compare_values.
5643         (compare_value): Call it.
5644         (set_value_range_to_nonnegative): Add overflow_infinity
5645         parameter.  Change caller.
5646         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
5647         Change callers.
5648         (vrp_expr_computes_nonzero): Likewise.
5649         (compare_ranges, compare_range_with_value): Likewise.
5650         (compare_name_with_value, compare_names): Likewise.
5651         (vrp_evaluate_conditional): Likewise.
5652         (set_value_range): Handle infinity
5653         (vrp_operand_equal_p, operand_less_p): Likewise.
5654         (extract_range_from_assert): Likewise.
5655         (vrp_int_const_binop): Likewise.
5656         (extract_range_from_binary_expr): Likewise.
5657         (extract_range_from_unary_expr): Likewise.
5658         (extract_range_from_comparison): Likewise.
5659         (extract_range_from_expr): Likewise.
5660         (dump_value_range): Likewise.
5661         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
5662         (test_for_singularity): Likewise.
5663         (vrp_int_const_binop): Remove inline qualifier.
5664         (adjust_range_with_scev): Add comment.
5665         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
5667 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
5669         * tree-ssa-structalias.c (could_have_pointers): Tidy.
5670         (get_constraint_for): Likewise.
5671         (do_structure_copy): Likewise.
5672         (find_func_aliases): Fix references to MODIFY_EXPR.
5673         (intra_create_variable_infos): Tidy.
5674         * tree-ssa-operands.c (add_virtual_operand): Add argument
5675         IS_CALL_SITE.
5676         When adding members of alias sets, if IS_CALL_SITE is true and
5677         the symbol is not call-clobbered, skip it.
5678         Adjust all callers.
5680 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
5682         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
5683         entry by means of emit_insn_at_entry.
5685 2007-03-02  Richard Henderson  <rth@redhat.com>
5687         * expr.h (promoted_input_arg): Remove decl.
5688         * function.c (promoted_input_arg): Merge into ...
5689         * combine.c (setup_incoming_promotions): ... only caller.
5690         Rearrange to avoid double loop.
5692 2007-03-02  Ben Elliston  <bje@au.ibm.com>
5693             Peter Bergner  <bergner@vnet.ibm.com>
5694             Janis Johnson  <janis187@us.ibm.com>
5696         * config/rs6000/dfp.md: New file.
5697         * config/rs6000/rs6000.md: Include dfp.md.
5698         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
5699         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
5700         and TDmode decimal float modes in FP registers.
5701         (num_insns_constant): Likewise.
5702         (rs6000_legitimate_offset_address_p): Likewise.
5703         (rs6000_legitimize_address): Likewise.
5704         (rs6000_legitimize_reload_address): Likewise.
5705         (rs6000_legitimate_address): Likewise.
5706         (rs6000_emit_move): Likewise.
5707         (function_arg_boundary): Likewise.
5708         (function_arg_advance): Likewise.
5709         (rs6000_darwin64_record_arg_recurse): Likewise.
5710         (function_arg): Likewise.
5711         (rs6000_gimplify_va_arg): Likewise.
5712         (rs6000_split_multireg_move): Likewise.
5713         (rs6000_output_function_epilogue): Likewise.
5714         (rs6000_output_function_epilogue): Likewise.
5715         (rs6000_register_move_cost): Likewise.
5716         (rs6000_function_value): Likewise.
5717         (rs6000_libcall_value): Likewise.
5719 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
5721         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
5723 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
5725         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
5726         Use $MULTIDIR to choose between the kernel and RTP headers,
5727         and use $WIND_BASE and $WIND_USR to locate them.
5729 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5731         * config/i386/i386.c (override_options): Put initialization of
5732         ix86_tune_mask and ix86_arch_mask to the correct place.
5734 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5735             Michael Meissner  <michael.meissner@amd.com>
5737         PR target/31019
5738         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
5739         (ARCHMASK): Define.
5740         (TARGET_CMOVE): Use ARCHMASK.
5741         (TARGET_CMPXCHG): Ditto.
5742         (TARGET_CMPXCHG8B): Ditto.
5743         (TARGET_XADD): Ditto.
5744         (TARGET_BSWAP): Ditto.
5745         * config/i386/i386.c (ix86_tune_mask): New global variable.
5746         (ix86_arch_mask): Ditto.
5747         (override_options): Initialize ix86_tune_mask and
5748         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
5749         target_flags.
5751 2007-03-02  Ben Elliston  <bje@au.ibm.com>
5753         PR 30992
5754         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
5756 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
5758         * target.h (init_dwarf_reg_sizes_extra): New target hook.
5759         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
5760         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
5761         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
5762         hook.
5763         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
5764         rs6000_init_dwarf_reg_sizes_extra): New.
5765         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
5766         SPE register high parts.
5768 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
5770         * Makefile.in: Add install-pdf target as
5771         copied from automake v1.10 rules.
5772         * configure.ac: Add install-pdf to target list.
5773         * configure: Regenerate.
5775 2007-03-01  Paul Brook  <paul@codesourcery.com>
5777         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
5778         modes to LDRD for DImode.
5779         (output_move_double): Fixup out of range ldrd/strd.
5780         (vfp_secondary_reload_class): Rename...
5781         (coproc_secondary_reload_class): ... to this.  Add wb argument.
5782         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
5783         coproc_secondary_reload_class for CLASS_IWMMXT.
5784         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
5785         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
5787 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
5789         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
5790         factor by the estimated number of iterations.
5791         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
5792         prefetch latency.
5794         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
5795         decode_caches_intel, detect_caches_intel): New functions.
5796         (host_detect_local_cpu): Use detect_caches_amd and
5797         detect_caches_intel.
5799 2007-03-01  Richard Henderson  <rth@redhat.com>
5801         * expr.c (emit_move_complex_push): Export.
5802         (emit_move_complex_parts): Split out from ...
5803         (emit_move_complex): ... here.
5804         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
5805         * config/i386/i386.md (movcdi): New.
5807 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
5809         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
5810         size of mode1 to check for tieable modes in MMX case.
5812 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
5814         * Makefile.in (rtlanal.o): Depend on tree.h.
5815         * rtl.h (offset_within_section_p, split_const): Declare.
5816         * rtlanal.c: Include tree.h.
5817         (offset_within_block_p): New function, taken from
5818         mips_offset_within_object_p.
5819         (split_const): New function, taken from mips_split_const.
5820         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
5821         Declare.
5822         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
5823         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
5824         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
5825         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
5826         (m68k_illegitimate_symbolic_constant_p): New function.
5827         * config/m68k/m68k.md (movsi): Remove misleading predicates.
5828         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
5829         symbolic constant that might be outside the symbol's section,
5830         move the symbol first and then add the offset.
5831         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
5832         Override.
5833         * config/mips/mips.c (mips_split_const): Delete.
5834         (mips_offset_within_object_p): Delete.
5835         (mips_symbolic_constant_p): Use offset_within_section_p and
5836         split_const instead of mips_offset_within_object_p and
5837         mips_split_const.
5838         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
5839         (mips_legitimize_const_move, print_operand_reloc)
5840         (mips_dangerous_for_la25_p): Use split_const instead of
5841         mips_split_const.
5843 2007-02-28  Eric Christopher  <echristo@apple.com>
5845         * Makefile.in (install-include-dir): Don't rm -rf include.
5847 2007-02-28  Richard Guenther  <rguenther@suse.de>
5849         PR middle-end/30364
5850         * fold-const.c (fold_binary): Do not associate expressions
5851         with more than one variable for integer types that do not wrap.
5853 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
5855         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
5856         Delete, and replace with...
5857         (fold_builtin_call_array): This.  Update callers to use it.
5858         * fold-const.c (fold_build_call_list): Delete, and replace with...
5859         (fold_build_call_array): This.
5860         (fold_build_call_list_initializer): Delete, and replace with...
5861         (fold_build_call_array_initializer): This.
5862         * tree.h: Update declarations to reflect above changes.
5864         * c-typeck.c (build_function_call): Store converted arguments
5865         in a stack-allocated array instead of building a list.
5866         (convert_arguments): Store arguments in the array passed in as an
5867         argument, and return the actual number of arguments.
5868         * c-format.c: (check_function_format): Pass arguments in an
5869         array instead of a list.
5870         * c-common.c (check_function_nonnull): Likewise.
5871         (check_function_sentinel): Likewise.
5872         (check_function_arguments): Likewise.
5873         * c-common.h: Update declarations to reflect above changes.
5875 2007-02-28  Jan Hubicka  <jh@suse.cz>
5877         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
5878         PRED_NEGATIVE_RETURN): Update outcomes.
5880 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
5882         * calls.c (emit_library_call_value_1): Handle partial registers
5883         correctly when building up CALL_INSN_FUNCTION_USAGE.
5885 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5887         * pa/predicates.md (move_src_operand): Allow zero for mode.
5888         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
5889         move pattern.
5891 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
5893         PR target/30970
5894         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
5895         *movv2df_internal): Enable pattern only for valid operand
5896         combinations.
5897         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
5898         tie only 128bit modes. For MMX registers, tie only 64bit modes.
5900 2007-02-27  Mike Stump  <mrs@apple.com>
5902         * config/darwin-crt3.c: Avoid compilation when compiling for a
5903         kext multilib.
5905 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
5907         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
5908         FIXED_INCLUDE_DIR.
5909         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
5910         for fixed headers and limits.h.
5911         (install-include-dir, install-headers-tar, install-headers-cpio,
5912         install-headers-cp, real-install-headers-tar,
5913         real-install-headers-cpio, real-install-headers-cp): Handle
5914         include-fixed as well as include.
5915         (install-mkheaders): Don't install files that go only in include
5916         not include-fixed.
5917         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
5918         from GCC_INCLUDE_DIR.
5919         * gcc.c (process_command): Remove special -BstageN/ handling.
5920         (do_spec_1): Add include-fixed directories.
5922 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5924         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
5925         _smulsi3_highpart.
5926         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
5927         New functions.
5928         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
5929         patterns.
5931 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
5933         * c-common.c (get_priority): Add check for
5934         SUPPORTS_INIT_PRIORITY.
5936 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5938         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
5940         * config/bfin/bfin.c: Include "cfglayout.h".
5941         (MAX_LSETUP_DISTANCE): New macro.
5942         (struct loop_info): New members incoming, incoming_src and
5943         incoming_dest.  Delete member predecessor.
5944         (length_for_loop): New function.
5945         (bfin_optimize_loop): Handle more different loop structures.
5946         (bfin_discover_loop): Rework detection of predecessor blocks by
5947         examining incoming edges.
5948         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
5949         bfin_reorg_loops.
5950         (bfin_reorder_loops): New function.
5951         (bfin_reorg_loops): Use these three new functions.
5953         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
5954         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
5955         (CONSTRAINT_LEN): Add entry for 'q'.
5956         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
5957         Add 'q' constraints.
5958         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
5959         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
5961         * config/bfin/bfin.md (add_with_carry): New pattern.
5962         (s_or_u, su_optab, su_modifier): New code macros/attrs.
5963         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
5964         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
5965         support unsigned multiplies too.  Removed incorrect commutativity from
5966         operand 1 constraint where appropriate.
5967         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
5968         patterns.
5969         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
5970         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
5971         New patterns.
5972         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
5973         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
5974         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
5975         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
5976         usmulhisi_hh_huh): New patterns.
5978         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
5979         lshifthi3): Fix output template to use half reg for operand 2.
5981         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
5982         instead of R2.
5984         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
5986 2007-02-27  Andreas Schwab  <schwab@suse.de>
5988         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
5990 2007-02-27  Jan Hubicka  <jh@suse.cz>
5992         * predict.c (last_basic_block_p): Remove.
5993         (tree_estimate_probability): Update return heuristic for commonized
5994         return blocks.
5996 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
5998         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
6000 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
6002         * doc/include/gcc-common.texi (versionsubtitle): New macro.
6003         * doc/cpp.texi: Standardize title page.
6004         * doc/cppinternals.texi: Likewise.
6005         * doc/gcc.texi: Standardize title page, remove version number
6006         from copyright page.
6007         * doc/gccint.texi: Likewise.
6008         * doc/install.texi: Standardize title page, add table of
6009         contents.
6011 2007-02-26  Jan Hubicka  <jh@suse.cz>
6013         * predict.def: Set outcomes according to more recent results.
6014         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
6015         Remove dead predictors.
6016         * predict.c (return_prediction): Fix pasto.
6018 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
6020         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
6021         change; avoid a memory leak when returning early.
6023 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
6025         * c-decl.c (static_ctors): Move to c-common.c.
6026         (static_dtors): Likewise.
6027         (finish_function): Use c_record_cdtor_fn.
6028         (build_cdtor): Move to c-common.c.
6029         (c_write_global_declarations): Use c_build_cdtor_fns.
6030         * c-common.h (static_ctors): Declare.
6031         (static_dtors): Likewise.
6032         (c_record_cdtor_fn): Likewise.
6033         (c_build_cdtor_fns): Likewise.
6034         * c-common.c (static_ctors): New variable.
6035         (static_dtors): Likewise.
6036         (c_record_cdtor_fn): New function.
6037         (build_cdtor): Move from c-decl.c
6038         (c_build_cdtor_fns): New function.
6040         * output.h (assemble_addr_to_section): Declare.
6041         (get_cdtor_priority_section): Likewise.
6042         * varasm.c (assemble_addr_to_section): New function.
6043         (get_cdtor_priority_section): Likewise.
6044         (default_named_section_asm_out_destructor): Use them.
6045         (destor_dtor_section_asm_out_destructor): Likewise.
6046         (default_named_section_asm_out_constructor): Likewise.
6047         (default_ctor_section_asm_out_constructor): Likewise.
6048         * config.gcc (*-*-vxworks*): Include vxworks.o.
6049         * config/t-vxworks (vxworks.o): New target.
6050         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
6051         (TARGET_ASM_CONSTRUCTOR): Define.
6052         (TARGET_ASM_DESTRUCTOR): Likewise.
6053         (vxworks_asm_out_constructor): Declare.
6054         (vxworks_asm_out_destructor): Likewise.
6056         * c-common.c (get_priority): Check that we have not just an
6057         INTEGER_CST, but an integer constant with integeral type.
6059 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
6061         PR tree-optimization/30938
6062         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
6063         use &dt[nargs-1] instead of &dt[nargs] in the call to
6064         vect_is_simple_use().
6066 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
6068         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
6069         from register elimination as PRE_MODIFY / POST_MODIFY increments.
6070         Do not attempt to handle MEM inside auto-inc expressions.
6071         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
6072         of a register modified by an auto-inc expression.  However, do handle
6073         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
6074         (elimination_effects): Prohibit elimination of a register modified
6075         by an auto-inc expression.  Disable register elimination rules whose
6076         target register is modified by an auto-inc expression with variable
6077         increment.
6079 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
6081         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
6082         off-by-one error.
6083         (array_at_struct_end_p): New function.
6084         (idx_infer_loop_bounds): Use it.
6085         (estimate_numbers_of_iterations_loop): Export.
6086         * predict.c (predict_loops): Use estimated_loop_iterations_int.
6087         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
6088         (tree_estimate_probability): Call record_loop_exits.
6089         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
6090         (estimated_loop_iterations, estimated_loop_iterations_int,
6091         estimated_loop_iterations_tree): New functions.
6092         (analyze_siv_subscript_cst_affine,
6093         compute_overlap_steps_for_affine_1_2,
6094         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
6095         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
6096         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
6097         (PRED_LOOP_ITERATIONS_GUESSED): New.
6098         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
6099         * cfgloop.h (estimate_numbers_of_iterations_loop,
6100         estimated_loop_iterations_int): Declare.
6102 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
6104         * doc/extend.texi: Document optional priority argument to
6105         constructors and destructors.
6106         * tree.c (init_priority_for_decl): Adjust GTY markers.
6107         (init_ttree): Use priority-info hash functions for
6108         init_priority_for_decl.
6109         (tree_map_eq): Rename to ...
6110         (tree_map_base_eq): ... this.
6111         (tree_map_marked_p): Rename to ...
6112         (tree_map_base_marked_p): ... this.
6113         (tree_map_base_hash): New function.
6114         (decl_init_priority_lookup): Rework.
6115         (decl_fini_priority_lookup): New function.
6116         (decl_priority_info): New function.
6117         (decl_init_priority_insert): Use it.
6118         (decl_fini_priority_insert): Likewise.
6119         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
6120         hierarchy.
6121         (decl_restrict_base_insert): Likewise.
6122         (decl_debug_expr_insert): Likewise.
6123         (decl_value_expr_lookup): Likewise.
6124         (decl_value_expr_insert): Likewise.
6125         * tree.h (priority_type): New type.
6126         (decl_init_priority_lookup): Use priority_type.
6127         (decl_fini_priority_lookup): New function.
6128         (decl_init_priority_insert): Use priority_type.
6129         (decl_fini_priority_insert): New function.
6130         (DECL_HAS_INIT_PRIORITY): Tweak comments.
6131         (DECL_INIT_PRIORITY): Likewise.
6132         (SET_DECL_INIT_PRIORITY): Add comment.
6133         (DECL_FINI_PRIORITY): New macro.
6134         (SET_DECL_FINI_PRIORITY): Likewise.
6135         (DEFAULT_INIT_PRIORITY): Document.
6136         (MAX_INIT_PRIORITY): Likewise.
6137         (MAX_RESERVED_INIT_PRIORITY): Likewise.
6138         (tree_map_base): New type.
6139         (tree_map_base_eq): New function.
6140         (tree_map_base_hash): Likewise.
6141         (tree_map_base_marked_p): Likewise.
6142         (tree_map): Inherit from tree_map_base.
6143         (tree_map_eq): Make it a macro.
6144         (tree_map_marked_p): Likewise.
6145         (tree_int_map): Inherit from tree_map_base.
6146         (tree_int_map_eq): Make it a macro.
6147         (tree_int_map_hash): Likewise.
6148         (tree_int_map_marked_p): Likewise.
6149         (tree_priority_map): New type.
6150         (tree_priority_map_eq): New macro.
6151         (tree_priority_map_hash): Likewise.
6152         (tree_priority_map_marked_p): Likewise.
6153         * varasm.c (emults_decl): Adjust for refactoring of tree_map
6154         hierarchy.
6155         (emutls_common_1): Likewise.
6156         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
6157         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
6158         of tree_map hierarchy.
6159         * tree-cfg.c (move_stmt_r): Likewise.
6160         (new_label_mapper): Likewise.
6161         * c-tree.h (c_expand_body): Move to ...
6162         * c-common.h (c_expand_body): ... here.
6163         * c-decl.c (c_expand_body): Move to ...
6164         * c-common.c (c_expand_body): ... here.
6165         (c_common_attribute_table): Allow 1 argument for the constructor
6166         and destructor attributes.
6167         (get_priority): New function.
6168         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
6169         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
6171 2007-02-24  Jan Hubicka  <jh@suse.cz>
6173         PR middle-end/30509
6174         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
6176 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
6177             Jan Hubicka  <jh@suse.cz>
6179         PR target/30778
6180         * i386.c (counter_mode): New function.
6181         (expand_set_or_movmem_via_loop): Use it.
6182         (expand_movmem_epilogue): Likewise; fix pasto.
6183         (ix86_expand_movmem): Do emit guard even for constant counts.
6184         (ix86_expand_setmem): Likewise.
6186 2007-02-25  Nick Clifton  <nickc@redhat.com>
6188         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
6189         (JUMP_TABLES_IN_TEXT_SECTION): Define.
6191 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
6193         PR target/30770
6194         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
6195         count argument with 0x10, not with 0x16.
6196         (expand_setmem_epilogue): Ditto.
6198 2007-02-24  Mike Stump  <mrs@apple.com>
6200         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
6201         symbols.
6203 2007-02-24  Richard Guenther  <rguenther@suse.de>
6205         PR middle-end/30951
6206         * fold-const.c (fold_binary): Fold x +- CST op x for
6207         EQ_EXPR and NE_EXPR.
6209 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6211         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
6213 2007-02-24  Jan Hubicka  <jh@suse.cz>
6215         * cgraphunit.c (decide_is_function_needed): Honor
6216         -fkeep-inline-functions.
6218 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6220         * builtins.c (fold_builtin_modf): New.
6221         (fold_builtin_2): Use it.
6223 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
6225         * loop-iv.c (implies_p): Detect additional cases where A implies B.
6226         (determine_max_iter): Take additional LOOP arg; all callers changed.
6227         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
6228         one using simplifications.
6229         (simplify_using_initial_values): Return if the expression becomes
6230         invalid due to altered regs.
6232 2007-02-23  DJ Delorie  <dj@redhat.com>
6234         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
6236 2007-02-23  Mike Stump  <mrs@apple.com>
6238         * tlink.c (scan_linker_output): Parse linker messages from
6239         darwin9's linker better.
6241 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
6243         PR debug/29614
6244         * varpool.c (varpool_assemble_pending_decls):  Set
6245         varpool_last_needed_node to null.
6247 2007-02-23  DJ Delorie  <dj@redhat.com>
6249         * config/i386/i386.c (ix86_data_alignment): Don't specify an
6250         alignment bigger than the object file can handle.
6252 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
6254         PR target/30825
6255         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
6256         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
6257         (*movsf_1): Penalize MMX moves.
6259 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
6261         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
6262         2^32-1 or more times unless flag_unsafe_loop_optimizations.
6264         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
6266 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6268         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
6269         (fold_builtin_1): Use them.
6270         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
6271         BUILT_IN_SIGNIFICAND.
6273 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
6275         * config/i386/i386.c (bdesc_1arg): Initialize
6276         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
6277         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
6278         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
6279         and IX86_BUILTIN_MOVSLDUP.
6281 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
6283         PR rtl-optimization/30841
6284         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
6286 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6288         * builtins.c (fold_builtin_frexp): New.
6289         (fold_builtin_2): Use it.
6291 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
6293         * doc/invoke.texi (Spec Files): Document getenv spec function.
6295         * gcc.c (getenv_spec_function): New function.
6296         (static_spec_functions): Add it.
6297         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
6298         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
6299         header files.
6301 2007-02-22  Michael Matz  <matz@suse.de
6303         PR c++/29433
6304         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
6305         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
6307 2007-02-22  Ian Lance Taylor  <iant@google.com>
6309         PR debug/30898
6310         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
6311         (mem_loc_descriptor): Call it.
6313 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
6314             Ira Rosen  <irar@il.ibm.com>
6316         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
6318 2007-02-22  Ira Rosen  <irar@il.ibm.com>
6320         PR tree-optimization/30843
6321         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
6322         stores only after all the group is vectorized.
6324 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
6326         PR tree-optimization/30858
6327         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
6328         in the reduction cycle have a single use in the loop.
6329         * tree-vectorizer.h (relevant): Add documentation.
6331 2007-02-20  Mike Stump  <mrs@apple.com>
6333         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
6334         * configure: Regenerate.
6336 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
6338         Change the defaults of some parameters and options.
6339         * config/spu/spu-protos.h (spu_optimization_options): Declare.
6340         * config/spu/spu.c (spu_optimization_options): Add.
6341         (spu_override_options): Change params in spu_optimization_options.
6342         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
6344         Register 127 is only 16 byte aligned when used as a frame pointer.
6345         * config/spu/spu-protos.h (spu_init_expanders): Declare.
6346         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
6347         HARD_FRAME_POINTER_REGNUM.
6348         (spu_legitimate_address):  Use regno_aligned_for_reload.
6349         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
6350         aligned when frame_pointer_needed is true.
6351         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
6352         to 8 bits.
6353         * config/spu/spu.h (INIT_EXPANDERS): Define.
6355         Make sure shift and rotate instructions have valid immediate operands.
6356         * config/spu/predicates.md (spu_shift_operand): Remove.
6357         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
6358         * config/spu/constraints.md (W, O): Extend range.
6359         * config/spu/spu.md (umask, nmask): Define.
6360         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
6361         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
6362         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
6363         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
6364         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
6365         (lshr<mode>3_reg):  Fix rtl description.
6367         Make sure mulhisi immediate operands are valid.
6368         * config/spu/predicates.md (imm_K_operand): Add.
6369         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
6371         Generate constants using fsmbi and andi.
6372         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
6373         (print_operand, spu_split_immediate, classify_immediate,
6374         fsmbi_const_p): Handle IC_FSMBI2.
6376         Correctly handle a CONST_VECTOR containing symbols.
6377         * config/spu/spu.c (print_operand): Handle HIGH correctly.
6378         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
6379         (immediate_load_p): Allow symbols that use 2 instructions to create.
6380         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
6381         with symbols when flag_pic is set.
6382         (const_vector_immediate_p): New.
6383         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
6384         accept a CONST_VECTOR with symbols.
6385         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
6386         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
6387         correctly.
6388         * config/spu/spu.md (high, low): Delete.
6389         (low_<mode>): Define.
6391         Remove INTRmode and INTR_REGNUM, which didn't work.
6392         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
6393         of INTR_REGNUM.
6394         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
6395         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
6396         peephole2 pattern): Don't use INTR or 131.
6397         (movintrcc): Delete.
6398         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
6399         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
6400         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
6401         (UNSPEC_SET_INTR): Add.
6402         * config/spu/spu-modes.def (INTR): Remove.
6404         More accurate warnings about run-time relocations.
6405         * config/spu/spu.c (reloc_diagnostic): Test in_section.
6407         Correctly warn about immediate arguments to specific intrinsics.
6408         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
6409         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
6410         the instruction predicate.
6412         Fix tree check errors with latest update.
6413         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
6414         CALL_EXPR_ARG.
6415         (spu_expand_builtin): Use CALL_EXPR_FN.
6417         Add missing specific intrinsics.
6418         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
6419         si_bislede.
6420         * config/spu/spu_internals.h: Ditto.
6422         Fix incorrect operand modifiers.
6423         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
6424         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
6426         Optimize one case of zero_extend of a vec_select.
6427         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
6429         Accept any immediate for hbr.
6430         * config/spu/spu.md (hbr):  Change s constraints to i.
6432 2007-02-21  Paul Brook  <paul@codesourcery.com>
6434         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
6435         condexec_count when skipping USE and CLOBBER.
6437 2007-02-21  Nick Clifton  <nickc@redhat.com>
6439         * common.opt (Warray-bounds): Add Warning attribute.
6440         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
6441         Likewise.
6442         (fsized-zeroes): Add Optimization attribute.
6443         (fsplit-wide-types, ftree-scev-cprop): Likewise.
6444         * c.opt (Wc++0x-compat): Add Warning attribute.
6446 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
6448         PR middle-end/30761
6449         * reload1.c (eliminate_regs_in_insn): In the single_set special
6450         case, attempt to re-recognize the insn before falling back to
6451         having reload fix it up.
6453 2007-02-20  Eric Christopher  <echristo@gmail.com>
6455         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
6456         Rewrite accordingly.
6457         (frv_read_iacc_argument): Ditto.
6458         (frv_expand_set_builtin): Take a call instead of arglist, update for
6459         above changes.
6460         (frv_expand_unop_builtin): Ditto.
6461         (frv_expand_binop_builtin): Ditto.
6462         (frv_expand_cut_builtin): Ditto.
6463         (frv_expand_binopimm_builtin): Ditto.
6464         (frv_expand_voidbinop_builtin): Ditto.
6465         (frv_expand_int_void2arg): Ditto.
6466         (frv_expand_prefetches): Ditto.
6467         (frv_expand_voidtriop_builtin): Ditto.
6468         (frv_expand_voidaccop_builtin): Ditto.
6469         (frv_expand_load_builtin): Ditto.
6470         (frv_expand_store_builtin): Ditto.
6471         (frv_expand_mdpackh_builtin): Ditto.
6472         (frv_expand_mclracc_builtin): Ditto.
6473         (frv_expand_mrdacc_builtin): Ditto.
6474         (frv_expand_mwtacc_builtin): Ditto.
6475         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
6476         calls for above.
6478 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
6480         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
6481         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
6482         cmpb instruction.
6483         (HAVE_GAS_DFP): Check for assembler support of decimal floating
6484         point instructions.
6485         * configure: Regenerate.
6486         * config.in: Regenerate.
6487         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
6488         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
6489         masks to power6 and power6x and to POWERPC_MASKS.
6490         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6491         _ARCH_PWR6.
6492         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
6493         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
6494         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
6495         Access PROTOTYPE as variable, not mask.
6497 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
6499         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
6500         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
6501         * combine.c (adjust_for_new_dest): Use it.
6502         * postreload.c (reload_combine): Likewise.
6504 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
6506         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
6507         notes on an insn with multiple sets, even if single_set returns
6508         non-NULL for that insn.
6510 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6512         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
6513         scalbn and scalbln.
6515 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
6517         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
6518         if user didn't pass it.
6519         * config/i386/darwin.h (CC1_SPEC): Likewise.
6520         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
6521         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
6522         -mmacosx-version-min.
6524 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6525             Uros Bizjak  <ubizjak@gmail.com>
6527         * optabs.h (enum optab_index): Add new OTI_scalb.
6528         (scalb_optab): Define corresponding macro.
6529         * optabs.c (init_optabs): Initialize scalb_optab.
6530         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
6531         patterns.
6532         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
6533         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
6534         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
6535         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
6536         flag_unsafe_math_optimizations is set.
6538         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
6539         to implement scalbf, scalb and scalbl built-ins as inline x87
6540         intrinsics.
6542 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6543             DJ Delorie <dj@redhat.com>
6545         PR other/30824
6546         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
6547         (diagnostic_report_diagnostic): ... here, and turn them into real
6548         errors. If warnings are inhibited, no need to do anything.
6550 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
6552         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
6553         better code generation.
6555 2007-02-20  Ben Elliston  <bje@au.ibm.com>
6557         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
6559 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
6561         * config/alpha/alpha.c, config/alpha/alpha.md,
6562         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
6563         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
6564         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
6565         config/arm/lib1funcs.asm: Follow spelling conventions.
6567         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
6568         config/fr30/fr30.md, config/i386/i386.h,
6569         config/iq2000/iq2000.h, config/iq2000/predicates.md,
6570         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
6571         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
6572         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
6573         config/rs6000/altivec.md, config/rs6000/rs6000.c,
6574         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
6575         config/sparc/sparc.c, config/sparc/sparc.h,
6576         config/sparc/sparc.md, config/spu/constraints.md,
6577         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
6578         conventions.
6580 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
6582         PR target/29943
6583         * varasm.c (use_blocks_for_decl_p): Return false for decls with
6584         alias attribute.
6586 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
6588         * doc/invoke.texi (-ftree-lrs): Remove.
6590 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
6592         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
6593         NULL.
6595 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
6597         * config/ia64/ia64.c (ia64_expand_builtin): Use the
6598         new CALL_EXPR_FN macro for retrieving the function
6599         declaration of the input expression.
6601 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6603         * c.opt (Waddress): New.
6604         * common.opt (Walways-true): Delete.
6605         (Wstring-literal-comparison): Delete.
6606         * doc/invoke.texi (Warning Options): Delete -Walways-true and
6607         -Wstring-literal-comparison. Add -Waddress.
6608         (Waddress): New.
6609         (Walways-true): Delete.
6610         (Wstring-literal-comparison): Delete.
6611         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
6612         consistently instead of -Walways-true in example.
6613         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
6614         * c-typeck.c (parser_build_binary_op): Replace
6615         -Wstring-literal-comparison and -Walways-true with -Waddress.
6616         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
6617         with -Waddress.
6619 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
6621         * tree-cfg.c (dump_function_to_file): Be prepared for functions
6622         without DECL_STRUCT_FUNCTION initialized.
6624 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
6626         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
6627         due to calls to functions taking pointers as parameters.
6629 2007-02-19  Richard Henderson  <rth@redhat.com>
6631         PR debug/29558
6632         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
6633         in memory.
6635 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
6637         * config/s390/s390.c (s390_call_saved_register_used,
6638         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
6639         accessed to the new scheme.
6641 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
6643         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
6644         (cris_print_index, cris_print_operand, cris_print_operand_address)
6645         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
6646         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
6647         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
6648         GET_CODE () == xxx.
6649         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
6650         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
6651         GO_IF_LEGITIMATE_ADDRESS): Ditto.
6652         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
6653         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
6654         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
6655         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
6656         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
6657         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
6658         (uminsi3, call, call_value): Ditto.
6659         (define_split: indir_to_reg_split, unnamed): Ditto.
6661 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
6663         PR tree-optimization/30975
6664         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
6665         wrong assert.
6667 2007-02-18  Eric Christopher  <echristo@gmail.com>
6669         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
6670         Remove use of arglist.
6671         (mips_expand_builtin): Remove use of arglist, pass in expr.
6672         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
6673         (mips_expand_builtin_movtf): Ditto.
6674         (mips_expand_builtin_compare): Ditto.
6676 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
6678         * tree-sra.c (sra_build_assignment): Replace assertion
6679         checking with a comment explaining why it can't be done.
6681 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
6683         PR middle-end/30833
6684         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
6685         during CALL_EXPR representation conversion.
6686         * tree-ssa-propagate.c (set_rhs): Likewise.
6688 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
6690         * tree-sra.c (sra_build_assignment): Disable assertion checking
6691         for now.
6693 2007-02-18  Roger Sayle  <roger@eyesopen.com>
6695         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
6696         instead of calling build2 with a GIMPLE_MODIFY_STMT.
6697         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
6698         Likewise.
6699         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
6700         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
6701         gimplify_init_ctor_eval_range, gimple_push_cleanup,
6702         gimplify_omp_for, gimplify_omp_atomic_pipeline,
6703         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
6704         force_gimple_operand): Likewise.
6705         * ipa-cp.c (constant_val_insert): Likewise.
6706         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6707         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
6708         perfect_nestify): Likewise.
6709         * langhooks.c (lhd_omp_assignment): Likewise.
6710         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
6711         lower_copyprivate_clauses, lower_send_clauses,
6712         lower_send_shared_vars, expand_parallel_call,
6713         expand_omp_for_generic, expand_omp_for_static_nochunk,
6714         expand_omp_for_static_chunk, expand_omp_sections,
6715         lower_omp_single_copy, lower_omp_for_lastprivate,
6716         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
6717         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
6718         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
6719         Likewise.
6721 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
6723         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
6724         config/sh/sh.md: Follow spelling conventions.
6726         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
6727         config/frv/predicates.md: Follow spelling conventions.
6729         * config/m68k/linux-unwind.h: Fix a comment typo.
6730         * target.h: Follow spelling conventions.
6732 2007-02-18  Roger Sayle  <roger@eyesopen.com>
6734         PR rtl-optimization/28173
6735         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
6736         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
6737         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
6738         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
6739         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
6741 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6743         * builtins.c (fold_builtin_load_exponent): New.
6744         (fold_builtin_2): Use it.
6746 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
6748         PR rtl-optimization/30773
6749         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
6750         if we fail to attach a REG_EQUIV note.
6752 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
6753             Roger Sayle  <roger@eyesopen.com>
6755         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
6757 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
6759         * calls.c (initialize_argument_information): Pass original EXP
6760         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
6761         code to split complex arguments here, as part of initializing the
6762         ARGS array.
6763         (expand_call): Remove code that builds a list of arguments and
6764         inserts implicit arguments into it.  Instead, just count how many
6765         implicit arguments there will be so we can determine the size of
6766         the ARGS array, and let initialize_argument_information do the work.
6767         (split_complex_values): Delete unused function.
6769 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
6771         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
6773 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
6775         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
6776         for arg pointer based indexed addressing.
6778 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
6780         * config/ia64/ia64.h, config/ia64/ia64.md,
6781         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
6782         spelling conventions.
6784 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6786         * config/m68k/m68k.c (split_di): New.
6787         * config/m68k/m68k-protos.h: Declare split_di.
6788         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
6789           Improve predicate handling and split constant shifts.
6791 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6793         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
6794         parameter for register bitfield operations, general predicates
6795         cleanup
6797 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
6799         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
6800         * config/m68k/linux-unwind.h: New file.
6802 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
6804         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
6805         config/i386/athlon.md, config/ia64/ia64.md,
6806         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
6807         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
6808         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
6809         tree-ssa-loop-niter.c, tree-vect-analyze.c,
6810         tree-vect-transform.c: Fix comment typos.
6812 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
6814         * sched-deps.c (find_insn_list): Remove.
6815         * sched-int.h: Remove the prototype for find_insn_list.
6817 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
6819         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
6820         to linker.
6821         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
6822         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
6823         darwin_rs6000_override_options.
6824         (C_COMMON_OVERRIDE_OPTIONS): Expect
6825         darwin_macosx_version_min to be non-NULL always.
6826         (TARGET_C99_FUNCTIONS): Likewise.
6827         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
6828         (DARWIN_MINVERSION_SPEC): New.
6829         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
6830         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
6831         to cc1*.
6832         (DARWIN_MINVERSION_SPEC): New.
6833         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
6834         value.
6835         * config/darwin-c.c (darwin_cpp_builtins): Expect
6836         darwin_macosx_version_min to be non-NULL always.
6838         * config/rs6000/rs6000.c: Clean up trailing whitespace.
6840 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
6842         * config/i386/i386.h (x86_use_xchgb): New.
6843         (TARGET_USE_XCHGB): New macro.
6844         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
6845         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
6846         Split after reload into bswaphi for shifts of 8.
6847         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
6848         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
6849         or when optimizing for size.
6851 2007-02-16  Richard Guenther  <rguenther@suse.de>
6852             Christian Bruel  <christian.bruel@st.com>
6854         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
6855         DECLs but prefer SSA_NAMEs over DECLs.
6857 2007-02-16  Richard Guenther  <rguenther@suse.de>
6859         * tree-flow-inline.h (single_imm_use_p): Remove.
6860         (zero_imm_uses_p): Likewise.
6861         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
6862         instead of single_imm_use_p.
6863         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
6864         zero_imm_uses_p.
6866 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6868         PR other/27843
6869         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
6870         nested double- and backquotes.
6872 2007-02-15  Roger Sayle  <roger@eyesopen.com>
6874         PR middle-end/30391
6875         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
6876         should be unreachable.
6877         (build2_stat): Allow construction of MODIFY_EXPR at any time.
6878         For the time being redirect GIMPLE_MODIFY_STMT to the new
6879         (renamed) build_gimple_modify_stmt_stat.
6880         (build2_gimple_stat): Rename to...
6881         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
6882         Always build a GIMPLE_MODIFY_STMT node.
6883         * tree.h (build2_gimple, build2_gimple_stat): Delete.
6884         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
6885         declarations.
6887         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
6888         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
6889         * tree-complex.c (set_component_ssa_name, expand_complex_move,
6890         expand_complex_div_wide): Likewise.
6891         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
6892         * tree-ssa-loop-im.c (schedule_sm): Likewise.
6893         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
6894         * tree-ssa-loop-manip.c (create_iv): Likewise.
6895         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
6896         abs_replacement): Likewise.
6897         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
6898         realify_fake_stores): Likewise.
6900         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
6901         node rather than a GIMPLE_MODIFY_STMT node.
6902         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
6903         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
6904         Likewise.
6905         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
6906         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
6907         GIMPLE_MODIFY_STMT.
6909 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6911         PR middle-end/30433
6912         * fold-const.c (fold_comparison): Add back the
6913         folding of constant complex comparisions.
6915 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6917         PR middle-end/30729
6918         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
6919         effects unknown to this function, return early.
6921 2007-02-15  Ian Lance Taylor  <iant@google.com>
6923         * lower-subreg.c (move_eh_region_note): New static function.
6924         (resolve_simple_move): Call it.
6925         (decompose_multiword_subregs): Track blocks for which we resolve a
6926         simple move which is also a control flow insn.  Pass them to
6927         find_many_sub_basic_blocks.
6928         (pass_lower_subreg): Add TODO_verify_flow.
6929         (pass_lower_subreg2): Likewise.
6931 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6932             Brooks Moses  <brooks.moses@codesourcery.com>
6933             Lee Millward  <lee.millward@codesourcery.com>
6935         * tree.h (enum tree_code_class): Add tcc_vl_exp.
6936         (VL_EXP_CLASS_P): New.
6937         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
6938         TREE_CODE_LENGTH.
6939         (TREE_OPERAND_CHECK_CODE): Likewise.
6940         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
6941         (TREE_RTL_OPERAND_CHECK): Likewise.
6942         (tree_operand_check_failed): Make second parameter the whole tree
6943         instead of its code.  Fixed callers.
6944         (VL_EXP_CHECK): New.
6945         (TREE_OPERAND_LENGTH): New.
6946         (VL_EXP_OPERAND_LENGTH): New.
6947         (CALL_EXPR_FN): New.
6948         (CALL_EXPR_STATIC_CHAIN): New.
6949         (CALL_EXPR_ARGS): New.
6950         (CALL_EXPR_ARG): New.
6951         (call_expr_nargs): New.
6952         (CALL_EXPR_ARGP): New.
6953         (build_nt_call_list): Declare.
6954         (build_vl_exp_stat): Declare.
6955         (build_vl_exp): New.
6956         (build_call_list): Declare.
6957         (build_call_nary): Declare.
6958         (build_call_valist): Declare.
6959         (build_call_array): Declare.
6960         (call_expr_arg): Declare.
6961         (call_expr_argp): Declare.
6962         (call_expr_arglist): Declare.
6963         (fold_build_call_list): Declare.
6964         (fold_build_call_list_initializer): Declare.
6965         (fold_call_expr): Declare to replace fold_builtin.
6966         (fold_builtin_fputs): Update to agree with modified definition.
6967         (fold_builtin_strcpy): Likewise.
6968         (fold_builtin_strncpy): Likewise.
6969         (fold_builtin_memory_chk): Likewise.
6970         (fold_builtin_stxcpy_chk): Likewise.
6971         (fold_builtin_strncpy_chk): Likewise.
6972         (fold_builtin_next_arg): Likewise.
6973         (fold_build_call_expr): Declare.
6974         (fold_builtin_call_list): Declare.
6975         (fold_builtin_call_valist): Declare.
6976         (build_call_expr): Declare.
6977         (validate_arglist): Update to agree with modified definition.
6978         (tree_operand_length): New.
6979         (call_expr_arg_iterator): New.
6980         (init_call_expr_arg_iterator): New.
6981         (next_call_expr_arg): New.
6982         (first_call_expr_arg): New.
6983         (more_call_expr_args_p): New.
6984         (FOR_EACH_CALL_EXPR_ARG): New.
6986         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
6987         and tcc_gimple_stmt.
6988         (tree_code_size): Update documentation.  Use sizeof (tree) rather
6989         than sizeof (char *).
6990         (tree_size): Likewise.  Add case for tcc_vl_exp.
6991         (tree_node_structure): Add case for tcc_vl_exp.
6992         (contains_placeholder_p): Likewise.
6993         (substitute_in_expr): Likewise.
6994         (substitute_placeholder_in_expr): Likewise.
6995         (stabilize_reference_1): Likewise.
6996         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
6997         to diagnose breakage of this interface for constructing CALL_EXPRs.
6998         (build_nt): Add similar assertion here.
6999         (build_nt_call_list): New.
7000         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
7001         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
7002         TREE_CODE_LENGTH.
7003         (get_callee_fndecl): Use new CALL_EXPR accessors.
7004         (tree_operand_check_failed): Change parameters to pass entire node
7005         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
7006         (process_call_operands): New.
7007         (build_vl_exp_stat): New.
7008         (build_call_list): New.
7009         (build_call_nary): New.
7010         (build_call_valist): New.
7011         (build_call_array): New.
7012         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7013         (call_expr_arglist): New.
7015         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
7016         tcc_vl_exp instead of a fixed-size tcc_expression.
7018         * doc/c-tree.texi (CALL_EXPR): Document new representation and
7019         accessors for CALL_EXPRs.
7020         (AGGR_INIT_EXPR): Likewise.
7022 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7023             Brooks Moses  <brooks.moses@codesourcery.com>
7024             Lee Millward  <lee.millward@codesourcery.com>
7026         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
7027         (expand_builtin_nonlocal_goto): Change parameter to be entire
7028         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
7029         (expand_builtin_prefetch): Likewise.
7030         (expand_builtin_classify_type): Likewise.
7031         (mathfn_built_in): Return NULL_TREE instead of 0.
7032         (expand_errno_check): Use new CALL_EXPR accessors.
7033         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
7034         Return NULL_RTX instead of 0.
7035         (expand_builtin_mathfn_2): Likewise.
7036         (expand_builtin_mathfn_3): Likewise.
7037         (expand_builtin_interclass_mathfn): Likewise.
7038         (expand_builtin_sincos): Likewise.
7039         (expand_builtin_cexpi): Likewise.
7040         (expand_builtin_int_roundingfn): Likewise.
7041         (expand_builtin_int_roundingfn_2): Likewise.
7042         (expand_builtin_pow): Likewise.
7043         (expand_builtin_powi): Likewise.
7044         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
7045         of arglist, fixing callers appropriately.  Use new CALL_EXPR
7046         accessors and constructors.  Return NULL_RTX instead of 0.
7047         (expand_builtin_strstr): Likewise.
7048         (expand_builtin_strchr): Likewise.
7049         (expand_builtin_strrchr): Likewise.
7050         (expand_builtin_strpbrk): Likewise.
7051         (expand_builtin_memcpy): Likewise.
7052         (expand_builtin_mempcpy): Likewise.
7053         (expand_builtin_mempcpy_args): New.
7054         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
7055         (expand_builtin_memmove_args): New.
7056         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
7057         (expand_movstr): Likewise.
7058         (expand_builtin_strcpy): Likewise.
7059         (expand_builtin_strcpy_args): New.
7060         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
7061         (expand_builtin_strncpy): Likewise.
7062         (expand_builtin_memset): Likewise.
7063         (expand_builtin_memset_args): New.
7064         (expand_builtin_bzero): Similarly to expand_builtin_memset.
7065         (expand_builtin_memcmp): Likewise.
7066         (expand_builtin_strcmp): Likewise.
7067         (expand_builtin_strncmp): Likewise.
7068         (expand_builtin_strcat): Likewise.
7069         (expand_builtin_strncat): Likewise.
7070         (expand_builtin_strspn): Likewise.
7071         (expand_builtin_strcspn): Likewise.
7072         (expand_builtin_args_info): Likewise.
7073         (expand_builtin_va_start): Likewise.
7074         (gimplify_va_arg_expr): Likewise.
7075         (expand_builtin_va_end): Likewise.
7076         (expand_builtin_va_copy): Likewise.
7077         (expand_builtin_frame_address): Likewise.
7078         (expand_builtin_alloca): Likewise.
7079         (expand_builtin_bswap): Likewise.
7080         (expand_builtin_unop): Likewise.
7081         (expand_builtin_fputs): Likewise.
7082         (expand_builtin_expect): Likewise.
7083         (expand_builtin_fabs): Likewise.
7084         (expand_builtin_copysign): Likewise.
7085         (expand_builtin_printf): Likewise.
7086         (expand_builtin_fprintf): Likewise.
7087         (expand_builtin_sprintf): Likewise.
7088         (expand_builtin_init_trampoline): Likewise.
7089         (expand_builtin_signbit): Likewise.
7090         (expand_builtin_fork_or_exec): Likewise.
7091         (expand_builtin_sync_operation): Likewise.
7092         (expand_builtin_compare_and_swap): Likewise.
7093         (expand_builtin_lock_test_and_set): Likewise.
7094         (expand_builtin_lock_release): Likewise.
7095         (expand_builtin): Likewise.
7096         (builtin_mathfn_code): Likewise.
7098         (fold_builtin_constant_p): Pass call arguments individually instead
7099         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
7100         accessors and constructors.  Return NULL_TREE instead of 0.
7101         (fold_builtin_expect): Likewise.
7102         (fold_builtin_classify_type): Likewise.
7103         (fold_builtin_strlen): Likewise.
7104         (fold_builtin_nan): Likewise.
7105         (integer_valued_real_p): Likewise.
7106         (fold_trunc_transparent_mathfn): Likewise.
7107         (fold_fixed_mathfn): Likewise.
7108         (fold_builtin_cabs): Likewise.
7109         (fold_builtin_sqrt): Likewise.
7110         (fold_builtin_cbrt): Likewise.
7111         (fold_builtin_cos): Likewise.
7112         (fold_builtin_cosh): Likewise.
7113         (fold_builtin_tan): Likewise.
7114         (fold_builtin_sincos): Likewise.
7115         (fold_builtin_cexp): Likewise.
7116         (fold_builtin_trunc): Likewise.
7117         (fold_builtin_floor): Likewise.
7118         (fold_builtin_ceil): Likewise.
7119         (fold_builtin_round): Likewise.
7120         (fold_builtin_int_roundingfn): Likewise.
7121         (fold_builtin_bitop): Likewise.
7122         (fold_builtin_bswap): Likewise.
7123         (fold_builtin_logarithm): Likewise.
7124         (fold_builtin_hypot): Likewise.
7125         (fold_builtin_pow): Likewise.
7126         (fold_builtin_powi): Likewise.
7127         (fold_builtin_exponent): Likewise.
7128         (fold_builtin_memset): Likewise.
7129         (fold_builtin_bzero): Likewise.
7130         (fold_builtin_memory_op): Likewise.
7131         (fold_builtin_bcopy): Deleted; call site changed to invoke
7132         fold_builtin_memory_op directly.
7133         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
7134         (fold_builtin_strncpy): Likewise.
7135         (fold_builtin_memcmp): Likewise.
7136         (fold_builtin_strcmp): Likewise.
7137         (fold_builtin_strncmp): Likewise.
7138         (fold_builtin_signbit): Likewise.
7139         (fold_builtin_copysign): Likewise.
7140         (fold_builtin_isascii): Likewise.
7141         (fold_builtin_toascii): Likewise.
7142         (fold_builtin_isdigit): Likewise.
7143         (fold_builtin_fabs): Likewise.
7144         (fold_builtin_abs): Likewise.
7145         (fold_builtin_fmin_fmax): Likewise.
7146         (fold_builtin_carg): Likewise.
7147         (fold_builtin_classify): Likewise.
7148         (fold_builtin_unordered_cmp): Likewise.
7150         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
7151         New functions split out from fold_builtin_1.
7152         (fold_builtin_n): New.
7153         (fold_builtin_varargs): New.
7154         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
7155         instead.
7156         (fold_call_expr): New.
7157         (build_function_call_expr): Rewrite to use new helper function.
7158         (fold_builtin_call_list): New.
7159         (build_call_expr): New.
7160         (fold_builtin_call_valist): New.
7161         (rewrite_call_expr): New.
7162         (validate_arg): New.
7163         (validate_arglist): Change parameter to be entire CALL_EXPR instead
7164         of an arglist.  Change return type to bool.  Use new CALL_EXPR
7165         accessors.
7167         (fold_builtin_strstr):  Pass call arguments individually instead
7168         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
7169         accessors and constructors.  Return NULL_TREE instead of 0.
7170         (fold_builtin_strchr): Likewise.
7171         (fold_builtin_strrchr): Likewise.
7172         (fold_builtin_strpbrk): Likewise.
7173         (fold_builtin_strcat): Likewise.
7174         (fold_builtin_strncat): Likewise.
7175         (fold_builtin_strspn): Likewise.
7176         (fold_builtin_strcspn): Likewise.
7177         (fold_builtin_fputs): Likewise.
7178         (fold_builtin_next_arg): Likewise.
7179         (fold_builtin_sprintf): Likewise.
7181         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
7182         NULL_RTX instead of 0.
7183         (expand_builtin_memory_chk): Likewise.
7184         (maybe_emit_chk_warning): Likewise.
7185         (maybe_emit_sprintf_chk_warning): Likewise.
7187         (fold_builtin_object_size): Pass call arguments individually instead
7188         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
7189         accessors and constructors.  Return NULL_TREE instead of 0.
7190         (fold_builtin_memory_chk): Likewise.
7191         (fold_builtin_stxcpy_chk): Likewise.
7192         (fold_builtin_strncpy_chk): Likewise.
7193         (fold_builtin_strcat_chk): Likewise.
7194         (fold_builtin_strcat_chk): Likewise.
7195         (fold_builtin_strncat_chk): Likewise.
7196         (fold_builtin_sprintf_chk): Likewise.
7197         (fold_builtin_snprintf_chk): Likewise.
7198         (fold_builtin_printf): Likewise.
7199         (fold_builtin_vprintf): Likewise.
7201         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
7202         constructors.
7203         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
7204         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7205         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
7206         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
7207         (fold_unary): Likewise.
7208         (fold_binary): Likewise.
7209         (fold_ternary): Remove CALL_EXPR case, since they are no longer
7210         ternary expressions.
7211         (fold): Add logic for tcc_vl_exp.
7212         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
7213         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7214         (fold_build3_stat): Add assertion to flag broken interface for
7215         constructing CALL_EXPRs.
7216         (fold_build_call_list): New.
7217         (fold_build_call_list_initializer): New.
7218         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
7219         constructors.
7220         (fold_strip_sign_ops): Likewise.
7222 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7223             Brooks Moses  <brooks.moses@codesourcery.com>
7224             Lee Millward  <lee.millward@codesourcery.com>
7226         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
7227         accessors and dump arguments explicitly.
7229         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
7230         TREE_CODE_LENGTH.
7231         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
7232         explicitly.
7233         (print_call_name): Use new CALL_EXPR accessors.
7235         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
7236         CALL_EXPR arguments explicitly instead of as a list.  Use
7237         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7239         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
7240         (vrp_visit_stmt): Likewise.
7242         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
7243         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
7244         TREE_CODE_LENGTH.
7245         (force_move_till_expr): Likewise.
7247         * targhooks.c (default_external_stack_protect_fail): Use
7248         build_call_expr instead of build_function_call_expr.
7249         (default_hidden_stack_protect_fail): Likewise.
7251         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
7252         build the call.
7254         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
7255         and walk arguments explicitly.
7257         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
7258         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7259         (expand_simple_operations): Likewise.
7260         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
7262         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
7263         of TREE_CODE_LENGTH.
7264         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
7266         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
7267         instead of TREE_CODE_LENGTH.
7269         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
7270         (tree_ic_transform): Likewise.
7271         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
7272         parameter instead of arglist.  Fix callers.
7273         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
7274         (tree_stringops_transform): Likewise.
7275         (tree_indirect_call_to_profile): Likewise.
7276         (tree_stringops_values_to_profile): Likewise.
7278         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
7279         (eliminate_tail_call): Likewise.
7281         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
7283         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
7284         Use TREE_OPERAND_LENGTH and generalize to handle any number of
7285         operands.
7286         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
7288         * omp-low.c (build_omp_barrier): Use build_call_expr.
7289         (lower_rec_input_clauses): Likewise.
7290         (lower_reduction_clauses): Likewise.
7291         (expand_parallel_call): Likewise.
7292         (maybe_catch_exception): Likewise.
7293         (expand_omp_for_generic): Likewise.
7294         (expand_omp_for_static_nochunk): Likewise.
7295         (expand_omp_sections): Likewise.
7296         (lower_omp_single_simple): Likewise.
7297         (lower_omp_single_copy): Likewise.
7298         (lower_omp_master): Likewise.
7299         (lower_omp_ordered): Likewise.
7300         (lower_omp_critical): Likewise.
7302         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
7303         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
7305         * tree-gimple.c (is_gimple_call_addr): Fix doc.
7306         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
7307         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
7309         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
7310         and generalize to handle any number of operands.
7311         (chrec_contains_undetermined): Likewise.
7312         (tree_contains_chrecs): Likewise.
7313         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
7315         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
7317         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
7318         fold_call_expr instead of fold_builtin.
7319         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
7320         match declarations there.
7321         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
7322         updates.
7324         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
7325         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7327         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
7328         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
7330         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
7331         accessors.
7333         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
7334         (execute_cse_sincos): Use new CALL_EXPR accessors.
7336         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
7338         * gimple-low.c (lower_function_body): Use build_call_expr.
7339         (lower_builtin_setjmp): Likewise.
7341         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
7342         (set_storage_via_libcall): Likewise.
7343         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
7344         instead of TREE_CODE_LENGTH.
7345         (expand_expr_real_1): Use new CALL_EXPR accessors.
7347         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
7348         generalize to handle any number of operands.
7349         (TB_parent_eq): Likewise.
7351         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
7352         (strip_builtin_expect): Likewise.
7354         * function.c (gimplify_parameters): Use build_call_expr.
7356         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
7357         instead of TREE_CODE_LENGTH.
7359         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
7360         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
7362         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
7363         iterators.
7365         * gimplify.c (build_stack_save_restore): Use build_call_expr.
7366         (gimplify_decl_expr): Likewise.
7367         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
7368         Use new CALL_EXPR iterators.
7369         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
7370         (gimplify_modify_expr_to_memset): Likewise.
7371         (gimplify_variable_sized_compare): Likewise.
7372         (gimplify_omp_atomic_fetch_op): Likewise.
7373         (gimplify_omp_atomic_pipeline): Likewise.
7374         (gimplify_omp_atomic_mutex): Likewise.
7375         (gimplify_function_tree): Likewise.
7377         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
7378         (call_expr_flags): Likewise.
7379         (expand_call): Likewise.
7381         * except.c (expand_builtin_eh_return_data_regno): Pass entire
7382         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
7383         accessors.
7385         * coverage.c (create_coverage): Use build_call_expr.
7387         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
7388         (temp_call_expr_obstack): New.
7389         (pool_copy_list): Delete.
7390         (temp_copy_call_expr): New.
7391         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
7392         CALL_EXPR accessors.  Get rid of special goo for copying argument
7393         lists and use temp_copy_call_expr instead.
7394         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
7395         CALL_EXPR accessors.
7396         (create_expression_by_pieces): Likewise.  Use build_call_array
7397         to construct the result instead of fold_build3.
7398         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
7399         dealing with argument lists.
7400         (init_pre): Remove references to expression_node_pool and
7401         list_node_pool.  Init temp_call_expr_obstack instead.
7402         (fini_pre): Remove references to expression_node_pool and
7403         list_node_pool.
7405         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
7406         and walk arguments explicitly instead of as a list.
7408         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
7409         (mx_register_decls): Likewise.
7410         (mudflap_register_call): Likewise.
7411         (mudflap_finish_file): Likewise.
7413         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
7414         (ipa_callsite_compute_param): Likewise.
7416         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
7417         accessors and constructor.
7419         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
7420         accessors and constructor.
7421         (convert_tramp_reference): Likewise.
7422         (convert_call_expr): Likewise.
7423         (finalize_nesting_tree_1): Likewise.
7425         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
7426         accessors.
7428         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
7430         * tree-inline.c (initialize_inlined_parameters): Pass entire
7431         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
7432         accessors.
7433         (estimate_num_insns_1): Use new CALL_EXPR accessors.
7434         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
7436         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
7437         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7438         (vectorizable_reduction): Likewise.
7439         (vectorizable_call): Use new CALL_EXPR iterators.
7440         (vectorizable_conversion): Use build_call_expr.
7441         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
7442         (vect_gen_widened_results_half): Use build_call_expr.
7443         (vect_setup_realignment): Likewise.
7444         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
7446         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
7447         (pass_through_call): Likewise.
7448         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
7449         fold_builtin.
7451         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
7452         (tree_gen_pow2_profiler): Likewise.
7453         (tree_gen_one_value_profiler): Likewise.
7454         (tree_gen_ic_func_profiler): Likewise.
7455         (tree_gen_average_profiler): Likewise.
7456         (tree_gen_ior_profiler): Likewise.
7458         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
7459         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
7460         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7462         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
7463         of TREE_CODE_LENGTH.
7465         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
7466         of TREE_CODE_LENGTH.
7468         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
7469         constructor.
7470         (convert_to_integer): Likewise.
7472         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
7473         accessors.
7475 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7476             Brooks Moses  <brooks.moses@codesourcery.com>
7477             Lee Millward  <lee.millward@codesourcery.com>
7479         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
7480         accessors.
7481         * config/frv/frv.c (frv_expand_builtin): Likewise.
7482         * config/s390/s390.c (s390_expand_builtin): Likewise.
7484         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
7485         (sparc_expand_builtin): Use new CALL_EXPR accessors.
7487         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
7488         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
7489         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
7490         (ix86_expand_store_builtin): Likewise.
7491         (ix86_expand_unop_builtin): Likewise.
7492         (ix86_expand_unop1_builtin): Likewise.
7493         (ix86_expand_sse_compare): Likewise.
7494         (ix86_expand_sse_comi): Likewise.
7495         (ix86_expand_vec_init_builtin): Likewise.
7496         (ix86_expand_vec_ext_builtin): Likewise.
7497         (ix86_expand_vec_set_builtin): Likewise.
7498         (ix86_expand_builtin): Use new CALL_EXPR accessors.
7500         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
7501         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
7503         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
7504         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7505         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
7507         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
7508         build_call_expr.
7509         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
7510         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
7511         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7512         (altivec_expand_abs_builtin): Likewise.
7513         (rs6000_expand_binop_builtin): Likewise.
7514         (altivec_expand_predicate_builtin): Likewise.
7515         (altivec_expand_lv_builtin): Likewise.
7516         (spe_expand_stv_builtin): Likewise.
7517         (altivec_expand_stv_builtin): Likewise.
7518         (rs6000_expand_ternop_builtin): Likewise.
7519         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
7520         (altivec_expand_st_builtin): Likewise.
7521         (altivec_expand_dst_builtin): Likewise.
7522         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
7523         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7524         (altivec_expand_vec_set_builtin): Likewise.
7525         (altivec_expand_vec_ext_builtin): Likewise.
7526         (altivec_expand_builtin): Use new CALL_EXPR accessors.
7527         (spe_expand_builtin): Likewise.
7528         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
7529         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7530         (spe_expand_evsel_builtin): Likewise.
7531         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
7532         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
7534         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
7535         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7536         (arm_expand_unop_builtin): Likewise.
7537         (arm_expand_builtin): Use new CALL_EXPR accessors.
7539         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
7540         accessors.
7542         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
7543         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7544         (bfin_expand_unop_builtin): Likewise.
7545         (bfin_expand_builtin): Use new CALL_EXPR accessors.
7547 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7548             Brooks Moses  <brooks.moses@codesourcery.com>
7549             Lee Millward  <lee.millward@codesourcery.com>
7551         * c-semantics.c (build_stmt): Add internal diagnostic check.
7553         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
7554         accessors.  Print arguments explicitly instead of as a list.
7556         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
7558         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
7559         (c_finish_omp_flish): Likewise.
7561         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
7562         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
7563         instead of TREE_CODE_LENGTH.
7564         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
7565         (c_warn_unused_result): Likewise.
7567 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7569         PR c/26494
7570         * doc/invoke.texi (Warning Options): Remove
7571         -Werror-implicit-function-declaration.
7572         (Wimplicit-function-declaration): Update description.
7573         * opts.c (common_handle_option): Move handling of -Werror=* to...
7574         (enable_warning_as_error): ...here.
7575         * opts.h (enable_warning_as_error): Declare.
7576         * c-decl.c (implicit_decl_warning): Unless
7577         -Wno-implicit-function-declaration is given, emit a pedwarn if
7578         -std=c99 or emit a warning if -Wimplicit-function-declaration.
7579         * c.opt (Wimplicit-function-declaration): Replace
7580         mesg_implicit_function_declaration with
7581         warn_implicit_function_declaration.
7582         * c-opts.c (c_common_handle_option):
7583         -Werror-implicit-function-declaration is exactly equal as
7584         -Werror=implicit-function-declaration.
7585         (set_Wimplicit): Replace mesg_implicit_function_declaration with
7586         warn_implicit_function_declaration.
7587         (c_common_post_options): -Wimplict-function-declaration is enabled
7588         by default by -std=c99, otherwise is disabled by default.
7589         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
7591 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7593         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
7594         DECL on the rhs to a DECL on the lhs for debug info purposes if the
7595         former is ignored but not the latter.
7597 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7599         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
7600         is made and the reference doesn't use the alias set of its type,
7601         do not create the temporary using that type.
7603 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
7605         * jump.c: Remove prototypes for delete_computation and
7606         delete_prior_computation.
7608 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
7610         * jump.c (get_label_after): Delete.
7611         (get_label_before, delete_computation, delete_jump,
7612         delete_prior_computation, follow_jumps): Move...
7613         * reorg.c (delete_computation, delete_prior_computation): ... here...
7614         (get_label_before, delete_jump): ... making these static ...
7615         (follow_jumps): ... and simplifying this since it only runs after
7616         reload.
7617         * rtl.h (get_label_after, get_label_before, delete_jump,
7618         follow_jumps): Delete prototypes.
7620 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
7622         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
7624 2007-02-15  Nick Clifton  <nickc@redhat.com>
7626         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
7627         order to prevent it from being munged by the target.
7629 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
7631         * config/i386/i386.md: Remove misleading comment.
7633 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7635         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
7636         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
7637         invalid patterns.
7639 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7641         * tree-sra.c (instantiate_missing_elements): Canonicalize
7642         bit-field types.
7643         (sra_build_assignment): New.
7644         (generate_copy_inout, generate_element_copy,
7645         generate_element_zero, generate_one_element_init): Use it.
7647 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7649         * tree-sra.c (instantiate_missing_elements): Canonicalize
7650         bit-field types.
7651         (sra_build_assignment): New.
7652         (generate_copy_inout, generate_element_copy,
7653         generate_element_zero, generate_one_element_init): Use it.
7655 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7657         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
7658         limbo die nodes.
7660 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
7662         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
7663         types as aggregates not scalars.
7664         * function.c (assign_stack_temp_for_type): Likewise.
7666 2007-02-14  Roger Sayle  <roger@eyesopen.com>
7667             Zdenek Dvorak  <dvorakz@suse.cz>
7669         * tree-dump.c (dump_switch_p_1): Require exact match of the option
7670         name.
7672 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
7674         * passes.c (next_pass_1): Clear the next field of the copied
7675         pass structure.
7677 2007-02-14  Richard Henderson  <rth@redhat.com>
7679         * tree-sra.c (early_sra): New.
7680         (decl_can_be_decomposed_p): Deny va_list if early_sra.
7681         (tree_sra_early, pass_sra_early): New.
7682         * tree-pass.h (pass_sra_early): Declare.
7683         * passes.c (init_optimization_passes): Use it.
7685 2007-02-14  Richard Guenther  <rguenther@suse.de>
7687         * flags.h (issue_strict_overflow_warning): Convert to a macro.
7689 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
7691          PR tree-optimization/30771
7692         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
7693         also phi nodes.
7694         (vect_analyze_operations): Induction phis can now be marked as
7695         used_in_loop.
7696         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
7697         Update documentation accordingly.
7699 2007-02-14  Nick Clifton  <nickc@redhat.com>
7701         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
7702         most 3 arguments are supported.
7703         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
7705 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
7707         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
7708         Ensure dst->current is valid.
7710 2007-02-13  Paul Brook  <paul@codesourcery.com>
7712         * config.gcc: Add arm*-*-uclinux-*eabi.
7713         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
7714         (SUBTARGET_EXTRA_LINK_SPEC): Define.
7715         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
7716         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
7717         (LINK_SPEC): Define.
7718         (LIB_SPEC): Define.
7719         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
7720         register.
7721         * config/arm/uclinux-eabi.h: New file.
7722         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
7723         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
7724         based targets.
7726 2007-02-13  Ian Lance Taylor  <iant@google.com>
7728         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
7729         * flags.h (warn_strict_overflow): Declare.
7730         (enum warn_strict_overflow_code): Define.
7731         (issue_strict_overflow_warning): New static inline function.
7732         * opts.c (warn_strict_overflow): New variable.
7733         (common_handle_option): Handle OPT_Wstrict_overflow and
7734         OPT_Wstrict_overflow_.
7735         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
7736         OPT_Wall.
7737         * fold-const.c: Include intl.h.
7738         (fold_deferring_overflow_warnings): New static variable.
7739         (fold_deferred_overflow_warning): New static variable.
7740         (fold_deferred_overflow_code): New static variable.
7741         (fold_defer_overflow_warnings): New function.
7742         (fold_undefer_overflow_warnings): New function.
7743         (fold_undefer_and_ignore_overflow_warnings): New function.
7744         (fold_deferring_overflow_warnings_p): New function.
7745         (fold_overflow_warning): New static function.
7746         (make_range): Add strict_overflow_p parameter.  Change all
7747         callers.
7748         (extract_muldiv, extract_muldiv_1): Likewise.
7749         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
7750         tree_expr_nonnegative_p.
7751         (fold_negate_expr): Call fold_overflow_warning.
7752         (fold_range_test): Likewise.
7753         (fold_comparison): Likewise.
7754         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
7755         instead of tree_expr_nonnegative_p.
7756         (tree_expr_nonnegative_warnv_p): Rename from
7757         tree_expr_nonnegative_p, add strict_overflow_p parameter.
7758         (tree_expr_nonnegative_p): New function.
7759         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
7760         strict_overflow_p parameter.
7761         (tree_expr_nonzero_p): New function.
7762         * passes.c (verify_interpass_invariants): New static function.
7763         (execute_one_pass): Call it.
7764         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
7765         warnings.
7766         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
7767         (estimate_numbers_of_iterations): Likewise.
7768         (scev_probably_wraps_p): Likewise.
7769         * tree-ssa-ccp.c: Include "toplev.h".
7770         (evaluate_stmt): Defer fold overflow warnings until we know we are
7771         going to optimize.
7772         (struct fold_stmt_r_data): Add stmt field.
7773         (fold_stmt_r): Defer fold overflow warnings until we know we
7774         optimized.
7775         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
7776         (fold_stmt_inplace): Likewise.
7777         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
7778         (cleanup_control_expr_graph): Defer fold overflow warnings until
7779         we know we are going to optimize.
7780         * tree-cfg.c (fold_cond_expr_cond): Likewise.
7781         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
7782         Likewise.
7783         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
7784         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
7785         * tree-ssa-loop-manip.c (create_iv): Likewise.
7786         * c-typeck.c (build_conditional_expr): Likewise.
7787         (build_binary_op): Likewise.
7788         * tree-vrp.c (vrp_expr_computes_nonzero): Call
7789         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
7790         (extract_range_from_unary_expr): Likewise.
7791         * simplify-rtx.c (simplify_const_relational_operation): Warn when
7792         assuming that signed overflow does not occur.
7793         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
7794         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
7795         (fold_defer_overflow_warnings): Declare.
7796         (fold_undefer_overflow_warnings): Declare.
7797         (fold_undefer_and_ignore_overflow_warnings): Declare.
7798         (fold_deferring_overflow_warnings_p): Declare.
7799         (tree_expr_nonzero_warnv_p): Declare.
7800         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
7801         of warning options.
7802         (Warning Options): Document -Wstrict-overflow.
7803         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
7804         (tree-ssa-ccp.o): Likewise.
7805         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
7806         (fold-const.o): Depend on intl.h.
7808 2007-02-13  Ian Lance Taylor  <iant@google.com>
7810         PR middle-end/30751
7811         * lower-subreg.c (resolve_simple_move): Decompose subregs in
7812         addresses.
7814 2007-02-13  Stuart Hastings  <stuart@apple.com>
7816         * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
7818 2007-02-13  Richard Henderson  <rth@redhat.com>
7820         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
7821         handled_component_p before looking for the indirect_ref.
7823 2007-02-13  Richard Henderson  <rth@redhat.com>
7825         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
7826         remove flags clobber.
7827         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
7828         (bswaphi_lowpart): New.
7829         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
7830         remove TARGET_BSWAP test.  Delete expander of the same name.
7832         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
7833         (expand_unop): Use them.
7835 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
7837         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
7838         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
7839         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
7840         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
7841         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
7842         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
7843         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
7844         assembler dialect choice from asm templates.
7846 2007-02-12  Richard Henderson  <rth@redhat.com>
7848         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
7849         (fixuns_trunc<SSEMODEF>si2): Use it.
7850         * config/i386/sse.md (vec_setv4sf_0): Export.
7851         * config/i386/i386.c (ix86_build_const_vector): Export.
7852         (ix86_split_convert_uns_si_sse): Rename from
7853         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
7854         * config/i386/i386-protos.h: Update.
7856 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7858         PR c/29521
7859         * c-typeck.c (c_finish_return): Improve warning message.
7861 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7863         * alias.c (find_symbolic_term): Delete unused function.
7865 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
7867         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
7868         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
7869         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
7871 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
7873         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
7874         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
7875         the function, temporarily point the debug interface to the null one.
7877 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
7879         * dwarf2out.c (round_up_to_align): New static function.
7880         (field_byte_offset): Use it to round the offset.
7882 2007-02-12  Richard Henderson  <rth@redhat.com>
7884         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
7885         (inswl_const): Export.
7887 2007-02-12  Richard Henderson  <rth@redhat.com>
7889         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
7890         result mode of the libcall, convert back to outmode.
7892 2007-02-12  Roger Sayle  <roger@eyesopen.com>
7894         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
7895         (bswapdi2): New define_expand to implement 32-bit implementation.
7897 2007-02-12  Nick Clifton  <nickc@redhat.com>
7899         * doc/invoke.texi (Overall Options): Document --help=.
7900         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
7901         (cc1_options): Pass --help= on to cc1.
7902         (display_help): Add description of --help=.
7903         (process_command): Add code to handle --help=.  Allow translated
7904         --help and --target-help switches to be passed on to compiler
7905         sub-process.
7906         (main): Remove unused if statement.
7907         * opts.c (columns): Remove.
7908         (LEFT_COLUMN): Define.
7909         (wrap_help): Add columns argument.
7910         (print_filtered_help): Change parameters to be an include bitmask,
7911         an exclude bitmask, an any bitmask and the column width.  Move the
7912         code to display the params list here.  Add code to display the
7913         status of options rather than their descriptions if the quiet flag
7914         is not active.
7915         (print_specific_help): Change parameters to be an include bitmask,
7916         an exclude bitmask and an any bitmask.  Move code to look up the
7917         column width here.  Decide upon the title for an options listing.
7918         (common_handle_options): Add code to handle --help=.  Adapt code
7919         for --help and --target-help to use the revised form of the
7920         print_specific_help function.
7921         (print_help): Delete.
7922         (print_param_help): Delete.
7923         (print_switch): Delete.
7924         * opts.h (cl_lang_count): Add prototype.
7925         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
7926         CL_MAX_OPTION_CLASS): New defines.
7927         * optc-gen.awk: Add construction of cl_lang_count.
7928         * c.opt: Add Warning attribute to warning options and Optimization
7929         attribute to optimization options.
7930         * common.opt: Likewise.
7931         Add --help=.
7932         Add -fhelp and -ftarget-help as aliases for the transformed --help
7933         and --target-help options.
7934         * opt-functions.awk: Add code to handle Warning and Optimization
7935         attributes.
7937 2007-02-12  Richard Henderson  <rth@redhat.com>
7939         * config/alpha/constraints.md: New file.
7940         * config/alpha/alpha.c: Include tm-constrs.h.
7941         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
7942         alpha_extra_constraint): Remove.
7943         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
7944         * config/alpha/alpha-protos.h: Update.
7945         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
7946         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
7947         (EXTRA_CONSTRAINT): Remove.
7948         * config/alpha/alpha.md: Include constraints.md.
7949         (adddi splitter): Use satisfies_constraint_*.
7950         * config/alpha/predicates.md (add_operand): Likewise.
7951         (sext_add_operand, addition_operation): Likewise.
7953 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
7955         PR tree-optimization/29145
7956         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
7957         in our handling of restrict qualified pointers.
7959 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7961         PR middle-end/7651
7962         * doc/invoke.texi (Wunused-value): Update description.
7963         (Wextra): Delete item.
7964         * opts.c (set_Wextra): Don't use the value of Wextra to set the
7965         value of Wunused-value.
7966         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
7967         (c_finish_stmt_expr): Don't check extra_warnings.
7968         (emit_side_effect_warnings): The caller is responsible to check
7969         warn_unused_value.
7971 2007-02-11  Roger Sayle  <roger@eyesopen.com>
7972             Matt Thomas  <matt@3am-software.com>
7974         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
7976 2007-02-11  Roger Sayle  <roger@eyesopen.com>
7978         * simplify-rtx.c (simplify_relational_operation_1): Optimize
7979         comparisons of POPCOUNT against zero.
7980         (simplify_const_relational_operation): Likewise.
7982 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7984         * doc/invoke.texi (Wextra): Delete outdated paragraph.
7986 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7988         * dwarf2out.c (root_type): Delete unused function.
7990 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7992         * genattrtab.c (contained_in_p): Delete unused function.
7993         (write_expr_attr_cache): Likewise.
7995 2007-02-11  Jan Hubicka  <jh@suse.cz>
7997         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
7998         previous patch.
8000 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
8002         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
8003         to add the REG_EQ* note.
8004         * see.c (see_merge_one_use_extension): Likewise.
8005         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
8006         turn REG_EQUAL notes into REG_EQUIV notes if the target
8007         register may have more than one set.
8008         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
8009         * gcse.c (try_replace_reg): Likewise.
8010         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
8011         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
8012         more than one REG_EQUIV note.
8013         * reload1.c (gen_reload): Use set_unique_reg_note.
8015 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
8017         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
8018         (ix86_builtin_conversion): New function.
8020 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
8022         PR target/29487
8023         * tree.h (DECL_REPLACEABLE_P): New macro.
8024         * except.c (set_nothrow_function_flags): Likewise.
8026 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
8027             Ira Rosen  <irar@il.ibm.com>
8028             Dorit Nuzman  <dorit@il.ibm.com>
8030         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
8031         * targhooks.c (default_builtin_vectorized_conversion): New.
8032         * targhooks.h (default_builtin_vectorized_function): New declaration.
8033         * target.h (struct vectorize): Add builtin_conversion field.
8034         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
8035         stmt_vec_info_type value.
8036         (vectorizable_conversion): New declaration.
8037         * tree-vect-analyze.c (vect_analyze_operations): Add
8038         vectorizable_conversion call.
8039         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
8040         * tree-vect-transform.c (vectorizable_conversion): New function.
8041         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
8042         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
8043         mode.
8044         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
8045         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
8046         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
8047         or ALTIVEC_BUILTIN_VCFSX.
8049 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8051         PR target/30634
8052         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
8053         CONST_DOUBLE and operand 0 is a hard register.
8054         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
8055         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
8056         is a hard floating-point register.
8058 2007-02-10  Richard Henderson  <rth@redhat.com>
8059             Jakub Jelinek  <jakub@redhat.com>
8060             Alexandre Oliva  <aoliva@redhat.com>
8062         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
8063         * builtin-types.def (BT_WORD): Make unsigned.
8064         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
8065         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
8066         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
8067         * c-decl.c (grokdeclarator): Don't error if !have_tls.
8068         * c-parser.c (c_parser_omp_threadprivate): Likewise.
8069         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
8070         emulated tls.
8071         * expr.c (emutls_var_address): New.
8072         (expand_expr_real_1): Expand emulated tls.
8073         (expand_expr_addr_expr_1): Likewise.
8074         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
8075         * output.h (emutls_finish): Declare.
8076         * toplev.c (compile_file): Call it.
8077         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
8078         address before wrapping in CONST.
8079         * varasm.c (emutls_htab, emutls_object_type): New.
8080         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
8081         (get_emutls_object_name, get_emutls_object_type): New.
8082         (get_emutls_init_templ_addr, emutls_decl): New.
8083         (emutls_common_1, emutls_finish): New.
8084         (assemble_variable): When emulating tls, swap decls; generate
8085         constructor for the emutls objects.
8086         (do_assemble_alias): When emulating tls, swap decl and target name.
8087         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
8088         for emulated tls.
8089         * varpool.c (decide_is_variable_needed): Look at force_output.
8090         Recurse for emulated tls.
8091         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
8092         with decide_is_variable_needed.
8093         * emutls.c: New file.
8094         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
8095         tls_object for real tls.
8097 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
8099         PR rtl-optimization/29599
8100         * reload1.c (eliminate_regs_in_insn): Take the destination
8101         mode into account when computing the offset.
8103 2007-02-09  Stuart Hastings  <stuart@apple.com>
8104             Richard Henderson  <rth@redhat.com>
8106         * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
8107         * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
8108         * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
8109         fixuns_truncdfhi2): New.
8110         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
8111         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
8112         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
8113         (floatunssidf2): Allow nonimmediate source.
8114         * config/i386/sse.md (movdi_to_sse): New.
8115         (vec_concatv2di): Drop '*'.
8116         * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
8117         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
8118         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
8119         New.
8120         * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
8121         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
8122         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
8123         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
8124         (ix86_build_signbit_mask): Fix decl of v, refactor to call
8125         ix86_build_const_vector.
8126         (x86_emit_floatuns): Rewrite.
8128 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8130         * genautomata.c (longest_path_length): Delete unused function.
8131         (struct state): Delete unused longest_path_length.
8132         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
8133         (get_free_state): Delete unused.
8135 2007-02-09  Jan Hubicka  <jh@suse.cz>
8137         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
8138         * doc/invoke.texi (inline-unit-growth): Update default value.
8140         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
8141         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
8142         (rebuild_cgraph_edges): Likewise.
8143         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
8144         (dump_cgraph_node): Dump frequencies.
8145         (cgraph_clone_edge): Add frequency scales.
8146         (cgraph_clone_node): Add freuqnecy.
8147         * cgraph.h (cgraph_edge): Add freuqnecy argument.
8148         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
8149         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
8150         * tree-pass.h (TODO_rebuild_frequencies): New constant.
8151         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
8152         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
8153         (save_inline_function_body): Likewise.
8154         * ipa-inline.c: inluce rtl.h
8155         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
8156         (cgraph_edge_badness): Use frequencies.
8157         (cgraph_decide_recursive_inlining): Update clonning.
8158         (cgraph_decide_inlining_of_small_function): Dump frequency.
8159         * predict.c (estimate_bb_frequencies): Export.
8160         * predict.h (estimate_bb_frequencies): Declare.
8161         * tree-inline.c (copy_bb): Watch overflows.
8162         (expand_call_inline): Update call of cgraph_create_edge.
8163         (optimize_inline_calls): Use TODO flags to update frequnecies.
8164         * passes.h: Include predict.h
8165         (init_optimization_passes): Move profile ahead.
8166         (execute_function_todo): Handle TODO_rebuild_frequencies.
8168 2007-02-09  Roger Sayle  <roger@eyesopen.com>
8170         * config/alpha/alpha.c (emit_insxl): Force the first operand of
8171         the insbl or inswl pattern into a register.
8173 2007-02-09  Roger Sayle  <roger@eyesopen.com>
8175         * config/ia64/ia64.md (bswapdi2): New define_insn.
8177 2007-02-09  Richard Henderson  <rth@redhat.com>
8179         * config/i386/constraints.md (Ym): New constraint.
8180         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
8181         (movdi_1_rex64): Split sse and xmm general register moves from
8182         memory move alternatives.  Use conditional register constraints.
8183         (movsf_1, movdf_integer): Likewise.
8184         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
8185         (movdf_integer_rex64): New.
8186         (pushsf_rex64): Fix output constraints.
8187         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
8188         (sse2_stored): Likewise.
8189         (sse2_storeq_rex64): New.
8190         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
8191         amd and not generic.
8192         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
8193         for optimize_size.  Remove SF/DFmode hack.
8195 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
8197         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
8198         (bit_SSE4a): New.
8200 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
8201             Richard Sandiford  <richard@codesourcery.com>
8203         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
8204         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
8205         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
8206         m68k/t-mlib to tmake_file.
8207         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
8208         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
8209         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
8210         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
8211         variable is not empty, add t-$m68k_arch_family to tmake_file.
8212         Add t-mlibs to tmake_file.
8213         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
8214         * config/m68k/t-cf: New file.
8215         * config/m68k/t-m68k: Likewise.
8216         * config/m68k/t-mlibs: Likewise.
8217         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8218         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8219         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
8220         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8221         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
8222         Delete.
8223         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
8224         (INSTALL_LIBGCC): Delete.
8225         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
8226         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8227         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8228         (M68K_MLIB_CPU): Define.
8229         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8230         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8231         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
8233 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
8234             Richard Guenther  <rguenther@suse.de>
8236         PR middle-end/23361
8237         * fold-const.c (fold_comparison): Handle obfuscated comparisons
8238         against INT_MIN/INT_MAX.
8239         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
8240         file if a loop is removed.
8242 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
8244         * calls.c (store_one_arg): Pass correct alignment to
8245         emit_push_insn for non-BLKmode values.
8246         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
8247         unaligned stack slot via a suitably aligned slot.
8249 2007-02-08  DJ Delorie  <dj@redhat.com>
8251         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
8252         warnings.
8253         (legal_subregs): Use unsigned char, make const.
8254         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
8256 2007-02-08  Paul Brook  <paul@codesourcery.com>
8258         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
8259         special interworking needed.
8261 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
8263         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
8264         conditional to __SSE2__.
8265         (Entries below should have been added to first ChangeLog
8266         entry for amdfam10 dated 2007-02-05)
8267         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
8268         defined.
8269         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
8270         defined.
8271         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
8272         defined.
8274 2007-02-08  DJ Delorie  <dj@redhat.com>
8276         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
8277         * config/m32c/m32c.c (legal_subregs): New.
8278         (m32c_illegal_subreg_p): New.
8279         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
8280         unsupported subregs of hard regs.
8282 2007-02-08  Jan Hubicka  <jh@suse.cz>
8284         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
8285         the same one; always update histograms.
8287 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
8289         * passes.c (init_optimization_passes): Tidy comment.
8291 2007-02-08  Roger Sayle  <roger@eyesopen.com>
8293         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
8294         strip zero_extend, bswap and rotates from POCOUNT's argument.
8295         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
8296         zero_extend and rotates from PARITY's argument.
8297         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
8298         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
8299         of an integer constant at compile-time.
8301 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
8303         PR 30562
8304         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
8305         Update all users.
8306         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
8307         users.
8308         (init_alias_info):
8309         * tree-ssa-live.c (remove_unused_locals): Do not remove
8310         TREE_ADDRESSABLE variables.
8311         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
8312         * tree-ssa-operands.c (add_virtual_operand): Remove argument
8313         FOR_CLOBBER.  Update all users.
8314         If VAR has an associated alias set, add a virtual operand for
8315         it if no alias is found to conflict with the memory reference.
8317 2007-02-07  Jan Hubicka  <jh@suse.cz>
8318             Robert Kidd <rkidd@crhc.uiuc.edu>
8320         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
8322 2007-02-07  Ian Lance Taylor  <iant@google.com>
8324         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
8326 2007-02-07  Roger Sayle  <roger@eyesopen.com>
8328         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
8329         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
8330         tablejumpdi, movsi_to_cr_one): Remove constraints from
8331         define_expand's match_operands.
8333 2007-02-07  Roger Sayle  <roger@eyesopen.com>
8335         * global.c (compute_regsets): Move declatation of "i" inside of
8336         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
8338 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
8340         PR c++/30703
8341         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
8342         of INDIRECT_REF <RESULT_DECL>.
8344         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
8346 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
8347             Kaz Kojima  <kkojima@gcc.gnu.org>
8349         PR target/29746
8350         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
8351         properly.
8352         (sh_initialize_trampoline): Add parentheses to avoid a warning.
8354 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
8356         * doc/loop.texi: Document possibility not to perform disambiguation
8357         of loops with multiple latches.
8358         * cfgloopmanip.c (alp_enum_p): Removed.
8359         (add_loop): Handle subloops.  Use get_loop_body_with_size.
8360         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
8361         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
8362         the new forwarder block.
8363         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
8364         Handle the case latch is NULL.
8365         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
8366         when marking loop exits.
8367         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
8368         be modified.
8369         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
8370         disambiguate_loops_with_multiple_latches.
8371         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
8372         before fix_loop_structure.
8373         * cfgloop.c: Include pointer-set.h and output.h.
8374         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
8375         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
8376         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
8377         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
8378         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
8379         disambiguate_multiple_latches, get_loop_body_with_size,
8380         disambiguate_loops_with_multiple_latches): New functions.
8381         (flow_loop_dump): Dump multiple latch edges.
8382         (flow_loop_nodes_find): Handle loops with multiple latches.
8383         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
8384         (glb_enum_p): Modified.
8385         (get_loop_body): Use get_loop_body_with_size.
8386         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
8387         (AVOID_CFG_MODIFICATIONS): New constant.
8388         (disambiguate_loops_with_multiple_latches, add_loop,
8389         get_loop_body_with_size): Declare.
8390         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
8392 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
8394         PR inline-asm/28686
8395         * global.c (compute_regsets): New function.
8396         (global_alloc): Refactored ELIMINABLE_REGSET
8397         and NO_GLOBAL_ALLOC_REGS computation out.
8398         (rest_of_handle_global_alloc): Call compute_regsets()
8399         for non-optimizing case.
8401 2007-02-06  Richard Henderson  <rth@redhat.com>
8403         * config/i386/constraints.md (Y2): Rename from Y.
8404         (Yi): New constraint.
8405         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
8406         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
8407         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
8408         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
8409         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
8410         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
8411         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
8412         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
8413         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
8414         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
8415         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
8416         vec_extractv2si_1): Change Y constraints to Y2.
8417         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
8418         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
8419         Change Y constraints to Y2.
8420         (sse2_loadld): Change Y constraints to x.
8422 2007-02-06  Roger Sayle  <roger@eyesopen.com>
8424         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
8425         (parity<mode>2): New define_expand using rs6000_emit_parity.
8426         * config/rs6000/rs6000.c (rs6000_emit_popcount,
8427         rs6000_emit_parity): New functions.
8428         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
8429         rs6000_emit_parity): Prototype here.
8431 2007-02-06  Ian Lance Taylor  <iant@google.com>
8433         * lower-subreg.c (simple_move_operand): Reject CONST.
8434         (resolve_clobber): Call validate_change rather than directly
8435         assigning to XEXP (pat, 0).
8437 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
8439         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
8440         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
8441         (tree-cfg.o): Remove hashtab.h dependency.
8443         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
8444         (struct ivopts_data): Change niters to pointer_map_t.
8445         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
8446         (niter_for_exit): Create pointer_map on demand.  Change for
8447         pointer_map API.
8448         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
8449         (free_loop_data): Destroy data->niters if created and reset field.
8450         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
8451         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
8453         * tree-ssa-reassoc.c: Include pointer-set.h.
8454         (bb_rank): Change to long *.
8455         (operand_rank): Change to pointer_map_t.
8456         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
8457         (insert_operand_rank): Accept long.
8458         (operand_entry_hash, operand_entry_eq): Remove.
8459         (get_rank): Return long.  Adjust for changes above.
8460         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
8461         and operand_rank.
8462         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
8464         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
8465         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
8466         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
8467         is not NULL.
8468         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
8469         directly since it cannot be NULL.
8470         (get_vi_for_tree): Rewrite for pointer_map API.
8471         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
8472         (init_alias_vars): Create vi_for_tree as pointer_map.
8473         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
8475         * tree-cfg.c: Don't include hashtab.h.
8476         (edge_to_cases): Declare as pointer_map.
8477         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
8478         Delete.
8479         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
8480         (start_recording_case_labels): Create edge_to_cases as pointer_map.
8481         (end_recoding_case_labels): Cleanup edge_to_cases manually before
8482         destroying it.
8483         (record_switch_edge): Delete.
8484         (get_cases_for_edge): Adjust for pointer_map API, inline
8485         record_switch_edge (rewritten for new API), remove goto.
8487 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
8489         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
8490         * tree-nested.c: Include pointer-set.h.
8491         (var_map_elt, var_map_eq, var_map_hash): Delete.
8492         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
8493         to pointer_map_t's.
8494         (nesting_info_bitmap_obstack): New.
8495         (lookup_field_for_decl): Adjust for pointer_map API.
8496         (lookup_tramp_for_decl): Adjust for pointer_map API.
8497         (get_nonlocal_debug_decl): Adjust for pointer_map API.
8498         (get_local_debug_decl): Adjust for pointer_map API.
8499         (convert_nl_goto_reference): Adjust for pointer_map API.
8500         (convert_nl_goto_receiver): Adjust for pointer_map API.
8501         (create_nesting_tree): Create outside GGC space.  Create bitmap on
8502         the new obstack.  Create field_map and var_map as pointer_maps.
8503         (free_nesting_tree): Adjust for changes to create_nesting_tree.
8504         (root): Delete.
8505         (lower_nested_functions): Move root here, no need to NULL it.
8506         Initialize and release the obstack.
8508 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
8510         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
8511         Remove prototypes and make them non-static.
8512         (struct tree_int_map): Remove.
8513         * tree.h (struct tree_int_map): Move here, turning TO into an
8514         unsigned int.
8515         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
8517         * tree.h (TREE_COMPLEXITY): Remove.
8518         (struct tree_exp): Remove complexity field.
8519         * tree.c (build1_stat): Don't set it.
8521 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
8522             Victor Kaplansky  <victork@il.ibm.com>
8524         * tree-vectorizer.c (vect_is_simple_use): Support induction.
8525         (vect_is_simple_reduction): Support reduction with induction as
8526         one of the operands.
8527         (vect_is_simple_iv_evolution): Fix formatting.
8528         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
8529         formatting.  Don't mark induction phis for vectorization.
8530         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
8531         * tree-vect-transform.c (get_initial_def_for_induction): New function.
8532         (vect_get_vec_def_for_operand): Support induction.
8533         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
8534         induction case.
8535         (vectorizable_reduction): Support reduction with induction as one of
8536         the operands.
8537         (vectorizable_type_demotion): Use def-type of stmt argument rather
8538         than dummy def-type.
8540         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
8541         flag_tree_scev_cprop.
8542         * common.opt (tree-scev-cprop): New flag.
8544         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
8545         call to vect_get_new_vect_var.
8547 2007-02-06  Ira Rosen  <irar@il.ibm.com>
8549         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
8550         vectype is not NULL.
8551         (vect_pattern_recog_1): Likewise.
8553 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8555         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
8556         (fold_negate_expr): Likewise.
8558 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
8560         PR debug/30189
8561         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
8562         even if cv-qualification is the same.
8564 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
8566         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
8567         __enable_execute_stack on completion.
8569 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8571         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
8572         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
8573         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
8574         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
8575         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
8576         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
8577         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
8578         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
8580 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8582         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
8583         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
8584         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
8585         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
8586         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
8587         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
8588         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
8589         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
8590         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
8591         umuldi3_highpart_rex64, umulsi3_highpart_insn,
8592         umulsi3_highpart_zext, smuldi3_highpart_rex64,
8593         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
8594         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
8595         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
8596         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
8597         sqrtextenddfxf2_i387): Added amdfam10_decode.
8599         * config/i386/athlon.md (athlon_idirect_amdfam10,
8600         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
8601         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
8602         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
8603         athlon_ivector_store_amdfam10): New define_insn_reservation.
8604         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
8605         amdfam10.
8607 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8609         * config/i386/athlon.md (athlon_call_amdfam10,
8610         athlon_pop_amdfam10, athlon_lea_amdfam10): New
8611         define_insn_reservation.
8612         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
8613         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
8614         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
8616 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8618         * config/i386/athlon.md (athlon_sseld_amdfam10,
8619         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
8620         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
8622 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8624         * config/i386/athlon.md (athlon_sseins_amdfam10): New
8625         define_insn_reservation.
8626         * config/i386/i386.md (sseins): Added sseins to define_attr type
8627         and define_attr unit.
8628         * config/i386/sse.md: Set type attribute to sseins for insertq
8629         and insertqi.
8631 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8633         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
8634         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
8635         ssecomi_load_amdfam10, ssecomi_amdfam10,
8636         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
8637         define_insn_reservation.
8638         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
8640 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8642         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
8643         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
8644         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
8645         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
8646         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
8647         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
8648         define_insn_reservation.
8650         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
8651         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
8652         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
8653         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
8654         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
8656 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8658         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
8659         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
8660         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
8661         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
8662         athlon_ssemul_load_k8): Added amdfam10.
8664 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8666         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
8667         (x86_sse_unaligned_move_optimal): New variable.
8669         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
8670         m_AMDFAM10.
8671         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
8672         for unaligned vector SSE double/single precision loads for AMDFAM10.
8674 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8676         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
8677         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
8678         Define TARGET_CPU_DEFAULT_amdfam10.
8679         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
8680         (processor_type): Add PROCESSOR_AMDFAM10.
8682         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
8683         processor_type in config/i386/i386.h.
8684         Enable imul peepholes for TARGET_AMDFAM10.
8686         * config.gcc: Add support for --with-cpu option for amdfam10.
8688         * config/i386/i386.c (amdfam10_cost): New variable.
8689         (m_AMDFAM10): New macro.
8690         (m_ATHLON_K8_AMDFAM10): New macro.
8691         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
8692         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
8693         x86_promote_QImode, x86_integer_DFmode_moves,
8694         x86_partial_reg_dependency, x86_memory_mismatch_stall,
8695         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
8696         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
8697         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
8698         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
8699         Enable/disable for amdfam10.
8700         (override_options): Add amdfam10_cost to processor_target_table.
8701         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
8702         processor_alias_table.
8703         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
8704         (ix86_adjust_cost): Add code for amdfam10.
8706 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8708         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
8709         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
8710         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
8711         * config/i386/i386.h: Add builtin definition for SSE4A.
8712         * config/i386/i386.md: Add support for ABM instructions
8713         (popcnt and lzcnt).
8714         * config/i386/sse.md: Add support for SSE4A instructions
8715         (movntss, movntsd, extrq, insertq).
8716         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
8717         Add -march=amdfam10 flag.
8718         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
8719         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
8720         and amdfam10.
8721         * doc/extend.texi: Add documentation for SSE4A builtins.
8723 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
8725         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
8727 2007-02-05  Richard Guenther  <rguenther@suse.de>
8729         * tree-vectorizer.h (vectorizable_function): Add argument type
8730         argument, change return type.
8731         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
8732         * tree-vect-transform.c (vectorizable_function): Handle extra
8733         argument, return vectorized function decl.
8734         (build_vectorized_function_call): Remove.
8735         (vectorizable_call): Handle calls with result and argument types
8736         differing.  Handle loop vectorization factor correctly.
8737         * targhooks.c (default_builtin_vectorized_function): Adjust for
8738         extra argument.
8739         * targhooks.h (default_builtin_vectorized_function): Likewise.
8740         * target.h (builtin_vectorized_function): Add argument type
8741         argument.
8742         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
8743         extra argument, allow vectorizing of lrintf.
8744         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
8745         documentation of target hook.
8747 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
8749         PR target/30665
8750         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
8751         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
8752         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
8754 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8756         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
8757         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
8758         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
8759         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
8760         before canonicalizing sincos to cexpi.
8761         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
8763 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8765         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
8766         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
8767         (alpha_init_builtins): Use alpha_add_builtins to process tables.
8769 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8771         * mips-tfile.c (initialize_init_file): Correct endianness test.
8773 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
8775         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
8776         the 'y' constraint.
8778 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
8780         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
8781         saves in a PARALLEL before the register assignments.
8783 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
8785         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
8786         DWARF_FRAME_RETURN_COLUMN to be a general register.
8787         * dwarf2out.c (init_return_column_size): New function, split from...
8788         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
8789         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
8790         to be nongeneral registers.
8791         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
8792         integer registers.
8793         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
8794         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
8796 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
8798         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
8800 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
8802         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
8803         (remove_path): Use can_remove_branch_p and remove_branch instead
8804         of loop_delete_branch_edge.
8805         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
8806         (tree_transform_and_unroll_loop): Remove dead branches immediately.
8807         Update profile using scale_dominated_blocks_in_loop.
8808         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
8809         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
8810         (can_remove_branch_p, remove_branch): Declare.
8811         * tree-cfg.c (tree_can_remove_branch_p): New function.
8812         (tree_cfg_hooks): Add tree_can_remove_branch_p.
8813         * cfgrtl.c (rtl_can_remove_branch_p): New function.
8814         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
8816 2007-02-05  Jan Hubicka  <jh@suse.cz>
8818         PR middle-end/30696
8819         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
8820         nodes in cgraph, don't remove offline copy of the function.
8822 2007-02-04  Jan Hubicka  <jh@suse.cz>
8824         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
8825         vectors might cause maybe_lookup_element_for_expr to be called
8826         on non-sra-candidate.
8828 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8830         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
8831         config/bfin/bfin.md, config/bfin/predicates.md: Follow
8832         spelling conventions.
8834 2007-02-04  Richard Guenther  <rguenther@suse.de>
8836         PR middle-end/30636
8837         * fold-const.c (try_move_mult_to_index): Make sure to not
8838         overflow one dimension of a multi-dimensional array access.
8840 2007-02-04  Jan Hubicka  <jh@suse.cz>
8842         * passes.c (init_optimization_passes): Reindent.
8844 2007-02-04  Jan Hubicka  <jh@suse.cz>
8845             Eric Botcazou  <ebotcazou@adacore.com>
8847         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
8848         (execute_fixup_cfg): Break out the abnormal goto code.
8849         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
8850         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
8851         (optimize_inline_calls): Call make_nonlocal_label_edges.
8853 2007-02-04  Jan Hubicka  <jh@suse.cz>
8855         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
8856         true when something was changed.
8857         (rename_ssa_copies): When something was changed, do
8858         TODO_remove_unused_locals.
8859         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
8860         add TODO_remove_unused_locals when instruction was removed.
8862 2007-02-04  Jan Hubicka  <jh@suse.cz>
8864         * ipa-inline.c (try_inline): Improve debug output; work on already
8865         inline edges too.
8866         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
8867         call try_inline for already inlined edges too when flattening;
8868         inline also functions that make callee growth but overall unit size
8869         reduce.
8871 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8873         * config/m32c/bitops.md, config/m32c/jump.md,
8874         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
8875         config/m32r/m32r.h, config/m32r/m32r.md,
8876         config/m32r/predicates.md, config/m68hc11/larith.asm,
8877         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
8878         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
8879         config/mips/mips-protos.h, config/mips/mips.c,
8880         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
8881         config/mn10300/mn10300.h, config/mn10300/predicates.md,
8882         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
8883         spelling conventions.
8885         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
8886         Follow spelling conventions.
8888 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
8890         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
8891         warn about C++0x compatibility.
8893 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
8895         * config/h8300/h8300.c, config/h8300/h8300.h,
8896         config/h8300/h8300.md: Follow spelling conventions.
8898 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
8900         PR middle-end/30667
8901         * combine.c (try_combine): Do not substitute source operand
8902         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
8904 2007-02-03  Jan Hubicka  <jh@suse.cz>
8906         PR gcov-profile/30650
8907         * value-prof.c (stringop_block_profile): Fix handling of size counter;
8908         do not divide by zero for never executed counters.
8909         (tree_find_values_to_profile): Fix counters.
8910         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
8912 2007-02-03  Ian Lance Taylor  <iant@google.com>
8914         * lower-subreg.c (simple_move_operand): New static function,
8915         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
8916         operands.
8917         (simple_move): Call simple_move_operand.
8918         (find_decomposable_subregs): Add special handling of MEMs.
8919         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
8920         meaning of return value.  If we see a hard register, test whether
8921         it can store a word_mode value.  Change all callers.
8923 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8925         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
8926         ftrapv insns and expanders.
8927         (subdi3): Change define_expand operand 1 to arith11_operand, and
8928         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
8929         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
8930         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
8931         respectively.
8933         PR middle-end/30174
8934         * varasm.c (notice_global_symbol): Treat global objects as weak when
8935         flag_shlib is true.
8937 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8939         * emit-rtl.c (dconstpi): Delete.
8940         (dconstsqrt2): New.
8941         (init_emit_once): Delete dconstpi and init dconstsqrt2.
8942         * real.h (dconstpi): Delete.
8943         (dconstsqrt2): New.
8944         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
8945         (fold_builtin_hypot): Likewise.
8947 2007-02-03  Tom Tromey  <tromey@redhat.com>
8949         PR driver/30246
8950         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
8951         -gcoff3, -gxcoff3, -gvms3 implies -dD.
8953 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
8955         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
8956         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
8957         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
8958         config/rs6000/cell.md, config/rs6000/darwin.h,
8959         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
8960         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
8961         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
8962         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
8963         typos.  Follow spelling conventions.
8964         * doc/invoke.texi: Follow spelling conventions.
8966 2007-02-03  Roger Sayle  <roger@eyesopen.com>
8968         * simplify-rtx.c (simplify_relational_operation_1): Implement some
8969         canonicalization transformations that attempt to simplify integer
8970         constant comparisons to become comparisons against zero.
8972 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8974         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
8975         fabs(x)*sqrt(2).
8976         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
8977         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
8979 2007-02-02  Mike Stump  <mrs@apple.com>
8981         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
8982         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
8983         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
8984         generate a branch island.
8986 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
8988         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
8989         (xtensa_legitimate_address_p): New.
8990         (xtensa_legitimize_address): New.
8991         (xtensa_output_addr_const_extra): New.
8992         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
8993         (BASE_REG_P): New.
8994         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
8995         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
8996         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
8997         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
8998         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
8999         (xtensa_legitimize_address): New.
9000         (xtensa_output_addr_const_extra): New.
9002 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
9004         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
9006 2007-02-02  Ian Lance Taylor  <iant@google.com>
9008         * expmed.c (expand_divmod): Add comment.
9010 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
9012         * emit-rtl.c (renumber_insns): Remove.
9013         * flags.h: Remove the extern for flag_renumber_insns.
9014         * rtl.h: Remove the prototype for renumber_insns.
9015         * toplev.c (flag_renumber_insns): Remove.
9017 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
9019         Revert for x86 darwin:
9020         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
9022         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
9023         code before the following patch under TARGET_MACHO.
9024         (ix86_function_value_regno_p): Likewise.
9026 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9028         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
9029         COMPLEX_EXPR.
9031 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
9033         PR target/29682
9034         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
9035         general or fp registers.  Add comments.
9036         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
9038 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
9040         * pointer-set.c (insert_aux): Only return insertion slot.
9041         (pointer_set_insert): Adjust.
9042         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
9043         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
9044         pointer_map_traverse): New.
9045         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
9046         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
9047         pointer_map_contains, pointer_map_traverse): Declare.
9049 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
9051         PR middle-end/30473
9052         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
9053         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
9055 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
9057         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
9059         (struct _dep): New type.
9060         (dep_t): New typedef.
9061         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
9062         (DEP_STATUS): New access macro.  The macro with the same name was
9063         renamed to DEP_LINK_STATUS.
9064         (dep_init): Declare function
9066         (struct _dep_link): New type.
9067         (dep_link_t): New typedef.
9068         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
9069         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
9070         (DEP_LINK_STATUS): New macro.
9071         (debug_dep_links): New debug function.
9073         (struct _deps_list): New type.
9074         (deps_list_t): New typedef.
9075         (DEPS_LIST_FIRST): New access macro.
9076         (FOR_EACH_DEP_LINK): New cycle macro.
9077         (create_deps_list, free_deps_list, delete_deps_list): Declare
9078         functions.
9079         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
9080         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
9081         (copy_deps_list_change_con): Ditto.
9083         (move_dep_link): Declare function.
9085         (struct _dep_node): New type.
9086         (dep_node_t): New typedef.
9087         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
9089         (struct haifa_insn_data.back_deps): New field to hold backward
9090         dependencies of the insn.
9091         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
9092         to deps_list_t.
9093         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
9094         Change its type to deps_list_t.
9095         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
9096         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
9097         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
9099         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
9101         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
9103         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
9104         all callers.
9105         (dep_cost): Declare.
9107         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
9108         (ds_to_dk, dk_to_ds): New functions.
9110         (init_dep_1): New static function.
9111         (init_dep): New function.
9112         (copy_dep): New static function.
9114         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
9115         functions.
9116         (detach_dep_link): New static function.
9117         (move_dep_link): New function.
9119         (dep_links_consistent_p, dump_dep_links): New static functions.
9120         (debug_dep_links): New debugging function.
9122         (deps_obstack, dl_obstack, dn_obstack): New static variables.
9124         (alloc_deps_list, init_deps_list): New static functions.
9125         (create_deps_list): New function.
9126         (clear_deps_list): New static function.
9127         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
9128         (deps_list_consistent_p, dump_deps_list): New static functions.
9129         (debug_deps_list): New function.
9130         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
9131         functions.
9132         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
9134         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
9135         use new scheduler dependencies lists.
9136         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
9137         (sched_analyze): Ditto.  Initialize dependencies lists.
9138         (add_forw_dep, compute_forward_dependences): Update to use new
9139         scheduler dependencies lists.
9141         (init_dependency_caches): Init deps_obstack.
9142         (free_dependency_caches): Free deps_obstack.
9144         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
9145         new scheduler dependencies lists.
9146         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
9147         (add_back_forw_dep, delete_back_forw_dep): Ditto.
9149         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
9150         Update to use new scheduler dependencies lists.
9151         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
9152         (debug_dependencies): Ditto.
9153         (schedule_region): Update comments.
9155         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
9156         scheduler dependencies lists.
9157         (schedule_ebb): Update comments.
9159         * rtl.def (DEPS_LIST): Remove.
9161         * lists.c (unused_deps_list): Remove.
9162         (free_list): Update assertions.
9164         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
9165         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
9167         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
9168         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
9170         * haifa-sched.c (comments): Update.
9171         (insn_cost1): Remove.  Inline the code into insn_cost ().
9172         (insn_cost): Update to use new scheduler dependencies lists.  Move
9173         processing of the dependency cost to dep_cost ().
9174         (dep_cost): New function.  Use it instead of insn_cost () when
9175         evaluating cost of the dependency.  Use compatible interface to
9176         interact with the target.
9177         (priority): Update to use new scheduler dependencies lists.
9178         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
9179         with greater number of insns that depend on the insn.
9180         (schedule_insn): Update to use new scheduler dependencies lists.  Add
9181         code to free backward dependencies lists.  Inline and optimize code
9182         from resolve_dep () - see PR28071.
9183         (ok_for_early_queue_removal): Update to use new scheduler dependencies
9184         lists.  Update call to targetm.sched.is_costly_dependence hook.
9186         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
9187         scheduler dependencies lists.
9189         (resolve_dep): Remove.  Move the logic to schedule_insn ().
9190         (init_h_i_d): Initialize dependencies lists.
9192         (process_insn_depend_be_in_spec): Rename to
9193         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
9194         dependencies lists.
9195         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
9196         Update to use new scheduler dependencies lists.
9197         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
9199         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
9200         new scheduler dependencies lists.
9201         (build_intra_loop_deps): Ditto.
9203         * target.h (struct _dep): Declare to use in
9204         gcc_target.sched.is_costly_dependence.
9205         (struct gcc_target.sched.adjust_cost): Fix typo.
9206         (struct gcc_target.sched.is_costly_dependence): Change signature to use
9207         single dep_t parameter instead of an equivalent triad.
9208         (struct gcc_target.sched.adjust_cost_2): Remove.
9210         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
9212         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
9214         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
9215         documentation.
9216         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
9218         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
9219         (REG_DEP_TRUE): Document.
9221         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
9222         Change signature to correspond to the targetm.sched.adjust_cost hook.
9223         Update use in TARGET_SCHED_ADJUST_COST_2.
9224         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
9225         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
9226         new scheduler dependencies lists.
9227         (ia64_gen_check): Ditto.
9229         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
9230         dependencies lists.
9232         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
9233         signature to correspond to the targetm.sched.is_costly_dependence hook.
9234         (is_costly_group): Update to use new scheduler dependencies lists.
9236         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
9237         instead of INSN_COST () macro.
9239 2007-02-01  Ian Lance Taylor  <iant@google.com>
9241         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
9243 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
9245         * pa.md (tp_load): Correct mfctl instruction syntax.
9247 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
9249         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
9250         altivec_padding_size calculation on AIX.  Improve comment, add
9251         assert to verify that it's right.
9253         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
9254         64-bit.
9256 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
9258         PR inline-asm/28686
9259         * global.c (global_alloc): Add mising initialization of
9260         ELIMINABLE_REGSET.
9262 2007-02-01  Roger Sayle  <roger@eyesopen.com>
9264         * alias.c (init_alias_analysis): Correct whitespace.
9265         * bb-reorder.c (fix_edges_for_rarely_executed_code,
9266         partition_hot_cold_basic_blocks): Likewise.
9267         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
9268         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
9269         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
9270         fold_builtin_snprintf_chk, fold_builtin_printf,
9271         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
9272         do_mpfr_arg3, do_mpfr_sincos): Likewise.
9273         * cfgcleanup.c (cleanup_cfg): Likewise.
9274         * cfgexpand.c (tree_expand_cfg): Likewise.
9275         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
9276         * function.c (get_next_funcdef_no): Likewise.
9277         * gengtype.c (main): Likewise.
9278         * genmodes.c (main): Likewise.
9279         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
9280         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
9281         * ifcvt.c (noce_emit_move_insn): Likewise.
9282         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
9283         Likewise.
9284         * stor-layout.c (get_best_mode): Likewise.
9285         * tree-ssa-loop-niter.c (get_val_for): Likewise.
9286         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
9287         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
9288         perform_var_substitution, solve_graph): Likewise.
9289         * tree-vrp.c (vrp_finalize): Likewise.
9291 2007-02-01  Ian Lance Taylor  <iant@google.com>
9293         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
9294         high part of a paradoxical subreg, return a constant zero.
9296 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
9298         * toplev.c (lang_dependent_init): Call init_set_costs.
9299         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
9301 2007-02-01  Richard Guenther  <rguenther@suse.de>
9303         PR middle-end/30656
9304         * fold-const.c (fold_negate_expr): Allow negating a
9305         constant if overflow does not change.
9307 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9309         * doc/c-tree.texi (Expression trees): Improve markup.
9310         * doc/tm.texi (Register Classes, Addressing Modes)
9311         (Floating Point): Fix spacing after abbreviations.  Fix some
9312         typos.
9314 2007-02-01  Ben Elliston  <bje@au.ibm.com>
9316         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
9317         * doc/contrib.texi: Likewise.
9318         * doc/install.texi: Likewise.
9320 2007-01-31  Richard Henderson  <rth@redhat.com>
9321             Ian Lance Taylor  <iant@google.com>
9323         * lower-subreg.c: New file.
9324         * rtl.def (CONCATN): Define.
9325         * passes.c (init_optimization_passes): Add pass_lower_subreg and
9326         pass_lower_subreg2.
9327         * emit-rtl.c (update_reg_offset): New static function, broken out
9328         of gen_rtx_REG_offset.
9329         (gen_rtx_REG_offset): Call update_reg_offset.
9330         (gen_reg_rtx_offset): New function.
9331         * regclass.c: Revert patch of 2006-03-05, restoring
9332         reg_scan_update.
9333         (clear_reg_info_regno): New function.
9334         * dwarf2out.c (concatn_loc_descriptor): New static function.
9335         (loc_descriptor): Handle CONCATN.
9336         * common.opt (fsplit_wide_types): New option.
9337         * opts.c (decode_options): Set flag_split_wide_types when
9338         optimizing.
9339         * timevar.def (TV_LOWER_SUBREG): Define.
9340         * rtl.h (gen_reg_rtx_offset): Declare.
9341         (reg_scan_update): Declare.
9342         * regs.h (clear_reg_info_regno): Declare.
9343         * tree-pass.h (pass_lower_subreg): Declare.
9344         (pass_lower_subreg2): Declare.
9345         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
9346         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
9347         -fsplit-wide-types.
9348         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
9349         * Makefile.in (OBJS-common): Add lower-subreg.o.
9350         (lower-subreg.o): New target.
9352 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9354         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
9356 2007-01-31  Anatoly Sokolov <aesok@post.ru>
9358         PR target/19087
9359         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
9361 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9363         PR middle-end/29335
9364         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
9366 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
9368         * cfgloop.h: Include vec-prim.h.
9369         (enum li_flags): Remove LI_ONLY_OLD.
9370         (loop_iterator): Changed.
9371         (fel_next, fel_init): Iterate over loop tree.
9372         (FOR_EACH_LOOP_BREAK): New macro.
9373         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
9374         FOR_EACH_LOOP.
9375         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
9376         * modulo-sched.c (sms_schedule): Ditto.
9377         * tree-vectorizer.c (vectorize_loops): Ditto.
9378         * doc/loop.texi: Update information on loop numbering and behavior of
9379         FOR_EACH_LOOP wrto new loops.
9380         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9381         add_to_evolution_1): Test nestedness of loops instead of comparing
9382         their numbers.
9383         * tree-chrec.c (chrec_fold_plus_poly_poly,
9384         chrec_fold_multiply_poly_poly, chrec_evaluate,
9385         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
9386         reset_evolution_in_loop): Ditto.
9387         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
9389 2007-01-31  Dirk Mueller  <dmueller@suse.de>
9391         * c-common.c (warn_about_parentheses): Separate warning about
9392         un-parenthized sequence of comparison operators from the one
9393         which is supposed to warn about x <= y <= z.
9395 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
9397         * optabs.h (enum optab_index): Add new OTI_isinf.
9398         (isinf_optab): Define corresponding macro.
9399         * optabs.c (init_optabs): Initialize isinf_optab.
9400         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
9401         patterns.
9402         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
9403         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
9404         using isinf_optab.
9405         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
9406         expand_builtin_interclass_mathfn.
9407         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
9408         * config/i386/i386.md (UNSPEC_FXAM): New constant.
9409         (fxam<mode>2_i387): New insn pattern.
9410         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
9411         built-in functions as x87 inline asm.
9413 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9415         * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
9417 2007-01-30  Eric Christopher  <echristo@apple.com>
9419         * config.gcc: Add geode.
9421 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9423         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
9424         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
9425         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
9426         value-prof.c: Fix comment typos.
9428 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9430         PR c++/24745
9431         * doc/invoke.texi (Wpointer-arith): Document warning.
9433 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
9435         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
9436         the list of discrepancies from the draft TR.
9438 2007-01-30  Dirk Mueller  <dmueller@suse.de>
9440         PR c++/30601
9441         * doc/invoke.texi (-Wreturn-type): Update description to
9442         match new behavior.
9444 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
9446         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
9448 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
9450         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
9451         to handle optabs that operate on floating point input argument and
9452         output to integer output.
9453         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
9454         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
9455         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
9456         expand_builtin_interclass_mathfn ().
9457         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
9458         (ilogbsi2): Remove.
9459         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
9460         ilogbl built-in functions as x87 intrinsics.
9462 2007-01-30  Richard Guenther  <rguenther@suse.de>
9464         PR middle-end/27657
9465         * dwarf2out.c (reference_to_unused): Query varpool if the
9466         variable was output.
9468 2007-01-30  Richard Guenther  <rguenther@suse.de>
9470         PR middle-end/30313
9471         * passes.c (execute_one_pass): Reset in_gimple_form to not
9472         confuse non-unit-at-a-time mode.
9474 2007-01-29  Roger Sayle  <roger@eyesopen.com>
9475             Richard Guenther  <rguenther@suse.de>
9477         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
9478         avoid undefined behaviour on overflow.  Use force_fit_type_double
9479         to construct the constant with the specified TREE_OVERFLOW.
9481 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
9483         * config/dfp-bit.c: Add parameterized support for fp exceptions.
9484         * config/dfp-bit.h: Ditto.
9486 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9488         * c-decl.c (pop_scope): Replace warnings with call to
9489         warn_for_unused_label.
9490         * c-common.h (warn_for_unused_label): Declare.
9491         * c-common.c (warn_for_unused_label): Define.
9493 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9495         * tree-optimize.c (update_inlined_to_pointers): Delete unused
9496         function.
9498 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
9500         * Makefile.in (USER_H): Remove decfloat.h.
9501         * ginclude/decfloat.h: Delete, moving contents to ...
9502         * ginclude/float.h: Add support for decimal floating point,
9503         guarded by __STDC_WANT_DEC_FP__.
9505 2007-01-29  Mike Stump  <mrs@apple.com>
9507         * doc/gccint.texi (Top): Rename Loop Representation to Loop
9508         Analysis and Representation to resolve case insensitive conflict.
9509         * doc/loop.texi (Loop Analysis and Representation): Likewise.
9511 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
9513         * tree.h (struct tree_memory_tag): Add aliases member.
9514         (MTAG_ALIASES): New macro.
9515         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
9516         (add_may_alias): Remove pointer-set. Update for may_aliases being
9517         a bitmap.
9518         (mark_aliases_call_clobbered): Update for may_aliases being a
9519         bitmap.
9520         (compute_tag_properties): Ditto.
9521         (create_partition_for): Ditto.
9522         (compute_memory_partitions): Ditto.
9523         (dump_may_aliases_for): Ditto.
9524         (is_aliased_with): Ditto.
9525         (add_may_alias_for_new_tag): Ditto.
9526         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
9527         (compute_is_aliased): New function.
9528         (compute_may_aliases): Call compute_is_aliased).
9529         (init_alias_info): Initialize alias_bitmap_obstack.
9530         (union_alias_set_into): New function.
9531         (compute_flow_sensitive_aliasing): Use union_aliases_into.
9532         (have_common_aliases_p): Rewrite to take two bitmaps and use
9533         intersection.
9534         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
9535         Update for bitmaps.
9536         (finalize_ref_all_pointers): Update for add_may_alias changes.
9537         (new_type_alias): Ditto.
9538         * tree-flow-inline.h (may_aliases): Return a bitmap.
9539         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
9540         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
9541         may_aliases being a bitmap.
9542         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
9543         may_aliases now returns a bitmap.
9544         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
9545         being a bitmap.
9546         * tree-ssa-operands.c (add_virtual_operand): Update for
9547         may_aliases being a bitmap.
9549 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
9551         PR tree-optimization/30630
9552         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
9553         variable as changed.
9555 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
9557         PR c++/28266
9558         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
9559         expanded only once even if an error occurs.
9561 2007-01-29  Ben Elliston  <bje@au.ibm.com>
9563         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
9564         (__gcov_average_profiler): Likewise.
9565         (__gcov_ior_profiler): Likewise.
9566         (__gcov_merge_ior): Likewise.
9568 2007-01-28  Jan Hubicka  <jh@suse.cz>
9570         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
9571         * value-prof.c (stringop_block_profile): Likewise.
9573 2007-01-28  Jan Hubicka  <jh@suse.cz>
9575         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
9576         variant handling histograms; add wrapper.
9577         (clear_storage_via_libcall): Export.
9578         (emit_block_move_hints): Break out from ...; add histograms.
9579         (emit_block_move): ... this one.
9580         (clear_storage_hints): Break out from ...; add histograms.
9581         (clear_storage): ... this one.
9582         (set_storage_via_memset): Handle histogram.
9583         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
9584         (clear_storage_hints, clear_storage_via_libcall): Declare.
9585         (set_storage_via_setmem): Update prototype.
9586         * doc/md.texi (movmem, setmem): Document new arguments.
9588         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
9589         new histograms.
9590         (stringop_block_profile): New global function.
9591         (tree_stringops_values_to_profile): Profile block size and alignment.
9592         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
9593         HIST_TYPE_IOR.
9594         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
9595         (stringop_block_profile): Declare.
9596         * builtins.c: Include value-prof.h.
9597         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
9598         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
9599         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
9600         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
9601         * profile.c (instrument_values): Add new counters.
9602         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
9603         calls.
9604         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
9605         (tree_init_edge_profiler): Build new profilers.
9606         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
9607         (pass_tree_profile): Add dump.
9608         (tree_profile_hooks): Update.
9609         * Makefile.in (LIBGCOV): Add new constants.
9610         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
9611         __gcov_ior_profiler): New.
9612         * i386.md (movmem/setmem expanders): Add new optional arguments.
9614 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
9616         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
9618 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
9620         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
9621         (tree_unswitch_single_loop): Pass eni_size_weights to
9622         tree_num_loop_insns.
9623         * tree-ssa-loop-manip.c: Include tree-inline.h.
9624         (can_unroll_loop_p): Pass eni_size_weights to
9625         tree_num_loop_insns.
9626         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
9627         Pass eni_size_weights to estimate_num_insns.
9628         * tree.h (init_inline_once): Export.
9629         * toplev.c (backend_init): Call init_inline_once.
9630         * cgraphunit.c (cgraph_process_new_functions,
9631         cgraph_analyze_function): Pass eni_inlining_weights to
9632         estimate_num_insns.
9633         * ipa-inline.c (compute_inline_parameters): Ditto.
9634         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
9635         to estimate_num_insns.
9636         (try_unroll_loop_completely): Pass eni_size_weights to
9637         tree_num_loop_insns.
9638         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
9639         ot estimate_num_insns.
9640         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
9641         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
9642         * tree-inline.c (eni_inlining_weights, eni_size_weights,
9643         eni_time_weights): New variables.
9644         (init_inline_once): Initialize them.
9645         (struct eni_data): Mew.
9646         (estimate_num_insns_1, estimate_num_insns): Use weights.
9647         * tree-inline.h (struct eni_weights_d): New.
9648         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
9649         (estimate_num_insns): Declaration changed.
9650         * cfgloop.h (tree_num_loop_insns): Declaration changed.
9651         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
9652         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
9654 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
9656         * tree-data-ref.c (conflict_fn): Assert that the number of affine
9657         relations in the conflict function is valid.
9659 2007-01-27  Ian Lance Taylor  <iant@google.com>
9661         * common.opt: Add fstrict-overflow.
9662         * opts.c (decode_options): Set flag_strict_overflow if -O2.
9663         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
9664         (TYPE_OVERFLOW_UNDEFINED): Define.
9665         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
9666         Replace all uses.
9667         * tree.h (TYPE_TRAP_SIGNED): Don't define.
9668         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
9669         (fold_negate_expr): Likewise.
9670         (make_range): Likewise.
9671         (extract_muldiv_1): Likewise.
9672         (maybe_canonicalize_comparison): Likewise.
9673         (fold_comparison): Likewise.
9674         (fold_binary): Likewise.
9675         (tree_expr_nonnegative_p): Likewise.
9676         (tree_expr_nonzero_p): Likewise.
9677         * tree-vrp.c (compare_values): Likewise.
9678         (extract_range_from_binary_expr): Likewise.
9679         (extract_range_from_unary_expr): Likewise.
9680         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
9681         Likewise.
9682         (nowrap_type_p): Likewise.
9683         * tree-scalar-evolution.c (simple_iv): Likewise.
9684         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
9685         (build_range_check): Likewise.
9686         (extract_muldiv_1): Likewise.
9687         (fold_comparison): Likewise.
9688         * tree-vrp.c (vrp_int_const_binop): Likewise.
9689         (extract_range_from_unary_expr): Likewise.
9690         * convert.c (convert_to_integer): Likewise.
9691         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
9692         (fold_comparison): Likewise.
9693         (fold_binary): Likewise.
9694         * optabs.c (optab_for_tree_code): Likewise.
9695         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
9696         * simplify-rtx.c (simplify_const_relational_operation): Check
9697         flag_strict_overflow and flag_trapv.
9698         (simplify_const_relational_operation): Likewise.
9699         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
9700         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
9701         -fstrict-overflow.
9703 2007-01-27  Roger Sayle  <roger@eyesopen.com>
9705         * tree.c (tree_fold_gcd): Delete.
9706         * tree.h (tree_fold_gcd): Remove prototype.
9707         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
9708         test whether one constant integer is a multiple of another.  Instead
9709         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
9710         * fold-const.c (multiple_of_p):  We've determined both TOP and
9711         BOTTOM are integer constants so we can call int_const_binop directly
9712         instead of the more generic const_binop.
9714 2007-01-27  Roger Sayle  <roger@eyesopen.com>
9716         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
9717         1*X check that the constant hasn't overflowed, to preserve the
9718         TREE_OVERFLOW bit.
9719         (round_up): Provide an efficient implementation when rouding-up an
9720         INTEGER_CST to a power-of-two.
9722 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9724         * doc/sourcebuild.texi: Add comma for clarity.
9725         * doc/extend.texi: Fix some typos.
9726         * doc/passes.texi: Likewise.
9727         * doc/cppinternals.texi: Likewise.
9728         * doc/c-tree.texi: Likewise.
9729         * doc/tree-ssa.texi: Likewise.
9730         * doc/install.texi: Likewise.
9732 2007-01-27  Jan Hubicka  <jh@suse.cz>
9734         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
9735         (pass_sra): Do not require alias information.
9736         * passes.c (init_optimization_passes): Add SRA
9738 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
9740         * tracer.c (rest_of_handle_tracer): We already cleaned
9741         up the CFG in tracer() so don't do it here again.
9742         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
9743         cleanup_cfg here, either.  And don't call renumber_insns.
9745         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
9746         and BB_HEAD are in the insn stream here.  Instead make sure
9747         that BB_INSN is valid on all insns.  Also, do check here that
9748         there are no pending branch predictions...
9749         (rtl_verify_flow_info): ...instead of doing it here.  Checks
9750         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
9751         here.
9753 2007-01-26  Roger Sayle  <roger@eyesopen.com>
9755         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
9756         function to simplify/factorize operand order canonicalization.
9757         (ix86_fixup_binary_operands): Reorganize using the above function.
9758         (ix86_binary_operator_ok): Likewise.
9760 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
9762         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
9763         file scope from optimize_attrs.
9764         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
9765         up search.
9766         (optimize_attrs): Clear insn_code_values after freeing it.
9768 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
9770         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
9771         a parts.base assignment.
9773 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
9775         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
9776         (compute_subscript_distance, initialize_data_dependence_relation,
9777         finalize_ddr_dependent, analyze_ziv_subscript,
9778         analyze_siv_subscript_cst_affine,
9779         compute_overlap_steps_for_affine_univar,
9780         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
9781         analyze_siv_subscript, analyze_miv_subscript,
9782         analyze_overlapping_iterations, subscript_dependence_tester_1,
9783         compute_self_dependence, free_dependence_relation): Work
9784         with affine_fn instead of chrecs.
9785         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
9786         common_affine_function, affine_function_base,
9787         affine_function_constant_p, affine_fn_op, affine_fn_plus,
9788         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
9789         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
9790         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
9791         (all_chrecs_equal_p): Removed.
9792         * tree-data-ref.h (affine_fn, conflict_function): New types.
9793         (struct subscript): Change type of conflicting_iterations_in_a
9794         and conflicting_iterations_in_b.
9796 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
9798         PR other/30182
9799         * config/pa/pa.h (TARGET_HPUX_11): New.
9800         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
9801         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
9803 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
9804         Richard Guenther  <rguenther@suse.de>
9806         * tree-ssa-structalias.c (solve_graph): Handle case
9807         we merged the variable to another.
9809 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9811         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
9812         functions.
9814         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
9815         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
9817 2007-01-25  DJ Delorie  <dj@redhat.com>
9819         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
9820         allow changes to modes which don't fit in those registers.
9822         * reload1.c (choose_reload_regs): Check for invalid subregs before
9823         computing their locations, not after.
9825 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
9827         PR 25127
9828         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
9829         save Altivec registers in an eh_return function.
9830         (compute_vrsave_mask): Likewise.
9831         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
9832         for saving Altivec registers.
9833         (rs6000_emit_prologue): Don't allocate stack twice in
9834         eh_return function.  Correct expected value of altivec_save_offset
9835         when using save_world.  Describe save of R0 to stack when using
9836         save_world.  Describe stack pointer adjustment when using
9837         save_world.  Remove duplicated eh_return parameter register saving.
9838         Update sp_offset variable after save_world.
9839         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
9840         darwin-world.asm.
9841         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
9842         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
9843         implies Altivec.
9845 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
9847         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
9849 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
9851         PR other/30182
9852         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
9853         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
9855 2007-01-25  Richard Guenther  <rguenther@suse.de>
9857         * doc/invoke.texi (-Wcoverage-mismatch): Document.
9858         * common.opt (-Wcoverage-mismatch): New warning option.
9859         * coverage.c (get_coverage_counts): Ignore coverage mismatch
9860         if -Wcoverage-mismatch is given.
9862 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
9864         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
9865         (ipcp_driver): Change to static definition.
9866         Add dumping of the ifunctions.
9867         (constant_val_insert): Remove unused parameter. Support for SSA.
9868         (ipcp_propagate_const): Support for SSA.
9869         (ipcp_profile_bb_print): Print only analyzed nodes.
9870         (ipcp_replace_map_create): Remove support for Fortran constant
9871         for now.
9872         * ipa-prop.c (ipa_method_modify_stmt,
9873         ipa_callsite_compute_param): Support for SSA.
9874         * ipa-prop.h (ipcp_driver): Remove declaration.
9875         (IS_VALID_TREE_MAP_INDEX): Add define.
9877 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
9879         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
9881 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9883         PR middle-end/30447
9884         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
9885         constant argument to cabs and do it without checking for
9886         -funsafe-math-optimizations.
9888 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
9890         * c-common.h (RID_FIRST_CXX0X): New.
9891         (RID_LAST_CXX0X): New.
9892         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
9893         by -Wall.
9894         * c.opt (Wc++0x-compat): New.
9895         * doc/invoke.texi (-Wc++0x-compat): Document.
9897 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9899         * builtins.c (fold_builtin_carg): New.
9900         (fold_builtin_1): Use it.
9902 2007-01-24  Jan Hubicka  <jh@suse.cz>
9904         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
9906         * ipa-inline.c (initial_insns, max_insns): Delete.
9907         (compute_max_insns): New function.
9908         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
9909         of insns as base for code growth.
9910         (cgraph_decide_inlining): Make initial_insns local; do not compute
9911         max_insns.
9912         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
9913         * doc/invoke.texi (inline-unit-growth): Update docs.
9915 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
9917         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
9918         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
9919         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
9920         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
9921         for CPUs that have PTA_CX16 set.
9923         PR middle-end/27416
9924         * gimplify.c (omp_check_private): New function.
9925         (gimplify_scan_omp_clauses): Use it for
9926         firstprivate/lastprivate/reduction.
9928         PR middle-end/30494
9929         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
9930         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
9932         PR middle-end/30421
9933         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
9934         If lower_lastprivate_clauses emits some statements, append them
9935         to dlist rather than body_p and to body_p append an initializer.
9936         (lower_omp_for): Adjust caller.
9938 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
9940         * target.h (globalize_decl_name): New.
9941         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
9942         * output.h (default_globalize_decl_name): New.
9943         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
9944         globalize_label.
9945         (globalize_decl): Ditto.
9946         (default_globalize_decl_name): New.
9947         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
9948         (ia64_handle_version_id_attribute): New.
9949         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
9950         (ia64_asm_output_external): Use globalize_decl_name instead
9951         of globalize_label.
9952         * doc/extend.texi (version_id): New pragma.
9953         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
9955 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9957         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
9958         _uleb128_t and _Unwind_SWord with _sleb128_t.
9959         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
9960         uw_frame_state_for, uw_update_context_1): Likewise.
9961         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
9962         * unwind-pe.h (read_uleb128, read_sleb128,
9963         read_encoded_value_with_base): Likewise.
9964         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
9966 2007-01-24  Richard Guenther  <rguenther@suse.de>
9968         * builtins.c (expand_builtin_cexpi): Get the fndecl
9969         for cexp in the correct way.
9971 2007-01-24  Jan Hubicka  <jh@suse.cz>
9973         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
9975 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9977         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
9978         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
9979         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
9980         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
9981         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
9982         __SIZEOF_PTRDIFF_T__.
9983         * doc/cpp.texi: Documentation for the new builtin macros added.
9985 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
9987         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
9988         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
9989         instead of operands[2] to avoid access past the end of array.
9991 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
9993         * reload1.c (emit_reload_insns): Pass the reload register
9994         for a non-spill output reload through forget_old_reloads_1.
9996 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
9998         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
9999         _SOFT_DOUBLE if doubles use software floating-point.
10000         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
10001         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
10002         * config/rs6000/darwin-ldouble.c: Also compile functions for
10003         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
10004         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
10005         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
10006         commented-out long double override.
10007         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
10008         * config/rs6000/eabispe.h: Likewise.
10009         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
10010         long double for non-SPE.
10011         (rs6000_handle_option): Likewise.
10012         (invalid_e500_subreg): Disallow more subregs involding DImode,
10013         DFmode, TImode or TFmode.
10014         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
10015         E500 double.
10016         (legitimate_lo_sum_address_p): Also check for TFmode for E500
10017         double.
10018         (rs6000_legitimize_address): Also handle TFmode for E500 double.
10019         (rs6000_legitimize_reload_address): Also handle TFmode for E500
10020         double.
10021         (rs6000_legitimate_address): Also check for TFmode for E500
10022         double.
10023         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
10024         (spe_build_register_parallel): Handle TFmode and TCmode.
10025         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
10026         double.
10027         (function_arg): Handle TFmode and TCmode for E500 double.
10028         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
10029         in general.
10030         (print_operand): Handle TFmode and TImode for %y.
10031         (rs6000_generate_compare): Handle TFmode comparisons for E500
10032         double.
10033         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
10034         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
10035         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
10036         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
10037         TFmode for E500 double.
10038         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
10039         (floatsidf2): Enable for E500 double.
10040         (movtf_softfloat): Use rs6000_nonimmediate_operand.
10041         (extenddftf2): Change to extenddftf2_fprs.
10042         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
10043         depending on TARGET_E500_DOUBLE.
10044         (extendsftf2): Enable for E500 double.
10045         (trunctfdf2): Enable for E500 double.
10046         (trunctfsf2): Change to trunctfsf2_fprs.
10047         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
10048         depending on TARGET_E500_DOUBLE.
10049         (floatsitf2): Enable for E500 double.
10050         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
10051         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
10052         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
10053         (negtf2): Change to negtf2_internal.
10054         (negtf2): New expander.
10055         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
10056         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
10057         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
10058         (movdi_internal32): Use rs6000_nonimmediate_operand.
10059         (unnamed splitter): Likewise.
10060         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
10061         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
10062         (SPE64TF, DITI): New mode macros.
10063         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
10064         modes.
10065         (frob_tf_ti): New.
10066         (frob_<mode>_di_2): New.
10067         (frob_tf_di_8_2): New.
10068         (frob_di_df): Change to frob_di_<mode>; allow more modes.
10069         (frob_ti_tf): New.
10070         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
10071         more modes.
10072         (frob_ti_<mode>_8_2): New.
10073         (frob_ti_tf_2): New.
10074         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
10075         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
10076         TFmode.
10077         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
10078         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
10079         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
10080         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
10081         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
10082         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
10083         tsttflt_gp): New.
10085 2007-01-23  Ian Lance Taylor  <iant@google.com>
10087         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
10088         insn-*.o first.
10089         (OBJS-archive): Reformat, alphabetize.
10090         (OBJS): Change out_object_file to OBJS-md.
10092 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
10094         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
10095         JUMP_P and CALL_P predicates where applicable.
10096         * config/i386/i386.c: Ditto.
10097         * config/i386/i386.md: Ditto.
10098         * config/i386/mmx.md: Ditto.
10099         * config/i386/predicates.md: Ditto.
10101 2007-01-22  Andreas Schwab  <schwab@suse.de>
10103         * config/m68k/m68k.h: Fix comment.
10105 2007-01-22  Jan Hubicka  <jh@suse.cz>
10107         * passes.c (init_optimization_passes): Do not rerun
10108         pass_early_warn_uninitialized.
10110 2007-01-22  Richard Guenther  <rguenther@suse.de>
10112         PR tree-optimization/30038
10113         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
10114         function.
10115         (execute_cse_sincos_1): Likewise.
10116         (execute_cse_sincos): Likewise.
10117         (gate_cse_sincos): Likewise.
10118         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
10119         the cexpi() canonicalization of sincos().
10120         * tree-pass.h (pass_cse_sincos): Declare.
10121         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
10123 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
10125         PR rtl-optimization/29329
10126         * combine.c (replaced_rhs_insn): Rename to i2mod.
10127         (replaced_rhs_value): Rename to i2mod_new_rhs.
10128         (i2mod_old_rhs): New global variable.
10129         (combine_instructions): Adjust for above change.  Save a copy of
10130         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
10131         note are substituted in the second instruction.
10132         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
10133         ditch the note if it pertains to the second eliminated register
10134         and this register is mentioned in i2mod_old_rhs.
10136         Revert:
10137         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
10139         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
10140         the insn to which the note was originally attached.
10142 2007-01-21  Jan Hubicka  <jh@suse.cz>
10144         * ipa-inline.c (inlining_mode): Comment, move up.
10145         (cgraph_decide_inlining_incrementally): Do not perform inlining
10146         itself; fix handling of flattening of self recursive functions.
10147         (cgraph_find_cycles): Remove.
10148         (cgraph_flatten_node): Remove.
10149         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
10150         (try_inline): New function.
10151         (cgraph_early_inlining): Update call of
10152         cgraph_decide_inlining_incrementally.  Apply inlining here.
10153         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
10155 2007-01-21  Dirk Mueller  <dmueller@suse.de>
10157         PR bootstrap/30511
10158         * tree-vrp.c (check_array_bounds): do not warn
10159         about ADDR_EXPR's of ARRAY_REF's which are immediately
10160         used in binary expressions.
10162 2007-01-21  Ira Rosen  <irar@il.ibm.com>
10164         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
10165         read_write_dep and macros for its access.
10166         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
10167         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
10168         argument, call vect_check_interleaving for every independent pair of
10169         data-refs. Mark loads that access the same memory location as a store
10170         in the loop.
10171         (vect_check_dependences): Remove.
10172         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
10173         call, fix the call to vect_analyze_data_ref_dependence.
10174         (vect_analyze_data_ref_access): For statements that access the same
10175         data-ref, check that they are not stores; for loads, check that there
10176         is no store that access the same location.
10178 2007-01-20  Roger Sayle  <roger@eyesopen.com>
10179             Joseph Myers  <joseph@codesourcery.com>
10181         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
10182         (-fdump-rtl-stack): Likewise.
10183         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
10184         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
10185         (-mpt-fixed): Use @minus{} for minus sign.
10186         (Using Precompiled Headers): Fix under/overfull hbox.
10188 2007-01-20  Jan Hubicka  <jh@suse.cz>
10190         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
10191         place within annotation.
10193 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10195         * pa.c (output_move_double): Change array size of xoperands to 4.
10197 2007-01-20  Jan Hubicka  <jh@suse.cz>
10199         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
10200         as temporary.
10202 2007-01-19  Ian Lance Taylor  <iant@google.com>
10204         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
10205         constant to unsigned HOST_WIDE_INT before negating.
10207 2007-01-19  Ian Lance Taylor  <iant@google.com>
10209         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
10210         to unsigned.
10211         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
10212         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
10213         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
10214         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
10215         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
10216         (realloc_vdef, realloc_vuse): Change second parameter to
10217         unsigned.
10218         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
10219         fields to unsigned.
10220         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
10221         unsigned. Change x and lim locals to unsigned.
10222         (realloc_vdef, realloc_vuse): Change num_elem parameter to
10223         unsigned.
10224         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
10225         (copy_virtual_operands): Change i and n locals to unsigned.
10227 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10229         PR middle-end/29335
10230         * builtins.c (fold_builtin_1): Handle builtin fdim.
10232 2007-01-20  Jan Hubicka  <jh@suse.cz>
10234         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
10235         * tree-ssa-structalias.c (compute_points_to_sets): Do call
10236         init_alias_heapvars.
10237         (init_alias_heapvars): Initialize only when not already initialized.
10238         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
10240 2007-01-19  Roger Sayle  <roger@eyesopen.com>
10242         * common.opt (fsigned-zeros): New command line option.
10243         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
10244         of flag_unsafe_math_optimizations.
10245         * opts.c (set_fast_math_flags): The -ffast-math command line option
10246         implies -fno-signed-zeros.
10247         (fast_math_flags_set_p): Likewise.
10249         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
10250         the documentation of -ffast-math appropriately.  Wrap long lines.
10252 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
10254         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
10255         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
10257 2007-01-19  Tomas Bily  <tbily@suse.cz>
10259         * cgraphunit.c (cgraph_finalize_function): Updating of pid
10260         * tree-profile.c:
10261         (tree_init_ic_make_global_vars): New function
10262         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
10263         (tree_gen_ic_profiler): New function
10264         (tree_gen_ic_func_profiler): New function
10265         (tree_profiling): Added calling of tree_gen_ic_func_profiler
10266         (tree_profile_hooks): Added hook for indirec/virtual calls
10267         * value-prof.c (tree_find_values_to_profile): New case for
10268         indirect calls
10269         (tree_values_to_profile): Call for determining indirect/virtual
10270         counters
10271         (tree_indirect_call_to_profile): New function
10272         (tree_ic_transform): New function
10273         (tree_ic): New function
10274         (find_func_by_pid): New function
10275         (init_pid_map): New function
10276         (tree_value_profile_transformations): Added check for
10277         indirect/virtual call transformation
10278         * value-prof.h (enum hist_type): New counter type for
10279         indirect/virtual calls
10280         (profile_hooks): Added new hook for profiling indirect/virtual
10281         calls
10282         * profile.c (instrument_values): New case for indirect/virtual
10283         call added
10284         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
10285         (GCOV_COUNTER_V_INDIR): New counter type
10286         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
10287         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
10288         call added
10289         * cgraph.c: Definition of cgraph_max_pid
10290         (cgraph_create_node): Default init of pid attribute
10291         * cgraph.h: Declaration of cgraph_max_pid
10292         (struct cgraph_node): Added pid attribute
10293         * libgcov.c (__gcov_indirect_call_profiler): New function
10294         (__gcov_one_value_profiler_body): New function
10295         (__gcov_one_value_profiler): Body was moved to
10296         __gcov_one_value_profiler_body and calls it
10298 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
10300         * doc/gty.texi (Options): Document the mark_hook option to GTY.
10301         * gengtype.c (write_types_data, write_func_for_structure,
10302         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
10303         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
10304         (walk_type, write_func_for_structure): Generate the mark_hook if
10305         needed.
10307 2007-01-19  Jan Hubicka  <jh@suse.cz>
10309         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
10310         'early' argument take inlining mode argument specifying whether to
10311         inline for size/speeed or all functions; add support for flattening;
10312         improve dumpting.
10313         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
10315 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10317         PR c++/17947
10318         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
10319         the name of the declared identifier.
10321 2007-01-19  Dirk Mueller  <dmueller@suse.de>
10323         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
10324         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
10325         duplicate evaluation.
10327 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
10329         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
10330         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
10331         to XFMode, use acosxf2 and truncate result to requested mode.
10332         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
10333         (asin<mode>2): Similarly, with asin expanders.
10334         (*fscalexf4_i387): Rename from *fscalexf4.
10335         (expNcorexf3): New expander.
10336         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
10337         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
10338         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
10339         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
10340         patterns for SSE math.
10341         (exp10<mode>2): Similarly, with exp10 expanders.
10342         (exp2<mode>2): Similarly, with exp2 expanders.
10343         (expm1<mode>2): Similarly, with expm1 expanders.
10344         (ldexp<mode>3): Similarly, with ldexp expanders.
10345         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
10346         Use gen_truncxf<mode>2_i387_noop to truncate result.
10348 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10350         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
10351         for ColdFire targets.
10353 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
10354             Richard Sandiford  <richard@codesourcery.com>
10356         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
10357         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
10358         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
10359         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
10360         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
10361         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
10363 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10365         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
10366         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
10367         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
10368         (*adddi_dilshr32_cf): New pattern.
10369         (adddi3, subdi3): Remove first alternatives.
10371 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10373         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
10374         implemented using move.l, do not use its cc result for floating-point
10375         comparisons.
10377 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10379         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
10380         from accepting 's' constraints if flag_pic.
10382 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10384         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
10385         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
10386         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
10387         condition from TARGET_68881 to TARGET_HARD_FLOAT.
10389 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
10391         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
10392         ColdFire alternatives.
10393         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
10394         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
10395         architectures that support ff1 instruction.
10397 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10398             Julian Brown  <julian@codesourcery.com>
10400         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
10401         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
10402         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
10403         Add commentary.
10405 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10407         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
10408         and return a bool.
10409         (output_move_const_into_data_reg, output_move_simode_const): Delete.
10410         * config/m68k/m68k.c (const_method, const_int_cost): Take a
10411         HOST_WIDE_INT instead of an rtx.
10412         (m68k_rtx_costs): Update call accordingly.
10413         (output_move_const_into_data_reg): Likewise.  Fix formatting.
10414         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
10415         Return a bool.
10416         (output_move_simode_const): Update calls after above changes.
10417         Rework to use automatic variables and predicates like MEM_P.
10418         * config/m68k/m68k.md (pushexthisi_const): Update call to
10419         valid_mov3q_const.
10421 2007-01-19  Dirk Mueller  <dmueller@suse.de>
10423         * tree-ssa-alias.c (perform_var_substitution): Fix typo
10424         in dump_flags test.
10426 2007-01-19  Richard Guenther  <rguenther@suse.de>
10428         * builtins.c (expand_builtin_cexpi): Fall back to expanding
10429         via cexp in case sincos is not available.
10431 2007-01-19  Richard Guenther  <rguenther@suse.de>
10433         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
10434         * defaults.h (TARGET_HAS_SINCOS): Default to off.
10435         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
10436         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
10437         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
10438         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
10439         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
10440         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
10442 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
10444         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
10445         New insn patterns.
10446         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
10447         (atan2xf3): Directly generate RTL pattern.
10448         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
10449         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
10450         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10451         disable patterns for SSE math.
10452         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
10453         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
10454         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10455         disable patterns for SSE math.
10457 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
10459         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
10461 2007-01-18  Roger Sayle  <roger@eyesopen.com>
10463         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
10464         VIEW_CONVERT_EXPR to the same type as it's operand.
10466 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
10468         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
10469         configured for long double 128.
10471 2007-01-18  Mike Stump  <mrs@apple.com>
10473         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
10474         error.
10476 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
10478         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
10479         type correct.
10481 2007-01-18  Jan Hubicka  <jh@suse.cz>
10483         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
10484         greater than NUM_VOP_FREE_BUCKETS.
10486 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
10488         * tree-ssa-structalias.c: Update comments.
10489         (ptabitmap_obstack): Removed.
10490         (pta_obstack): New.
10491         (oldpta_obstack): Ditto.
10492         (stats): Add a few members.
10493         (struct variable_info): Remove node, complex, address_taken, and
10494         indirect_target members. Add oldsolution member.
10495         (new_var_info): Do not initialize removed members.
10496         (constraint_expr_type): Remove INCLUDES.
10497         (constraint_graph): Add size, implicit_preds, rep,
10498         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
10499         (FIRST_REF_NODE): New macro.
10500         (LAST_REF_NODE): Ditto.
10501         (FIRST_ADDR_NODE): Ditto.
10502         (find): New function.
10503         (unite): Ditto.
10504         (dump_constraint): Do not handle INCLUDES.
10505         (insert_into_complex): Do not insert duplicate constraints.
10506         (condense_varmap_nodes): Renamed and rewritten into ...
10507         (merge_node_constraints): This. Also fix bug in handling of
10508         offseted copy constraints.
10509         (clear_edges_for_node): No longer need to deal with preds at all,
10510         or removing associated preds/succs.
10511         (merge_graph_nodes): Deal with indirect_cycles.
10512         Don't deal with predecessors.
10513         (add_implicit_graph_edge): New function.
10514         (add_pred_graph_edge): Ditto.
10515         (add_graph_edge): Don't deal with predecessors.
10516         (build_constraint_graph): Removed.
10517         (build_pred_graph): New function.
10518         (build_succ_graph): Ditto.
10519         (struct scc_info): Removed in_component. Added roots, dfs, and
10520         node_mapping. Remove visited_index, unification_queue.
10521         (scc_visit): Deal with union-find we do now.
10522         Deal with cycles with REF nodes.
10523         (collapse_nodes): Renamed and rewritten to ...
10524         (unify_nodes): This.
10525         (process_unification_queue): Removed.
10526         (topo_visit): Cleanup
10527         (do_da_constraint): Use find.
10528         (do_sd_constraint): Ditto.
10529         (do_ds_constraint): Ditto.
10530         (do_complex_constraint): Ditto.
10531         (init_scc_info): Update for removed and added members.
10532         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
10533         (find_indirect_cycles): This.
10534         (equivalence_class): New variable.
10535         (label_visit): New function.
10536         (perform_variable_substitution): Rewritten.
10537         (free_var_substitution_info): New function.
10538         (find_equivalent_node): Ditto.
10539         (move_complex_constraints): Ditto.
10540         (eliminate_indirect_cycles): Ditto.
10541         (solve_graph): Only propagate changed bits.
10542         Use indirect cycle elimination.
10543         Use find.
10544         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
10545         (tree_id_eq): Renamed to ...
10546         (tree_vi_eq): This. Update for member change
10547         (insert_id_for_tree): Renamed and rewritten to ...
10548         (insert_vi_for_tree): This.
10549         (lookup_id_for_tree): Renamed and rewritten to ...
10550         (lookup_vi_for_tree): This.
10551         (get_id_for_tree): Renamed and rewritten to ...
10552         (get_vi_for_tree): Ditto.
10553         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
10554         (process_constraint): Don't handle INCLUDES.
10555         Remove special ADDRESSOF case.
10556         (find_func_aliases): Rewrite to use vi functions instead of id
10557         ones.
10558         (create_function_info_for): Ditto.
10559         (create_variable_info_for): Ditto.
10560         (intra_create_variable_infos): Ditto.
10561         (merge_smts_into): Ditto.
10562         (find_what_p_points_to): Ditto.
10563         (init_base_vars): Ditto.
10564         (init_alias_vars): Ditto.
10565         (remove_preds_and_fake_succs): New function.
10566         (dump_sa_points_to_info): Dump new stats.
10567         (dump_solution_for_var): Use find.
10568         (set_used_smts): Fix formatting.
10569         (compute_points_to_sets): Updated for new functions.
10570         (ipa_pta_execute): Ditto.
10572 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10573             Richard Sandiford  <richard@codesourcery.com>
10575         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
10576         parallels.
10577         * calls.c (expand_call): If the return value is a PARALLEL,
10578         extract its first member.
10579         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
10580         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
10581         use FUNCTION_EXTRA_EPILOGUE.
10582         (m68k_function_value): Return a PARALLEL if the return value
10583         is of a pointer type.
10584         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
10585         (FUNCTION_EXTRA_EPILOGUE): Remove.
10586         * config/m68k/m68k.md (D0_REG): New constant.
10588 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10590         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
10591         output a NOP for empty epilogues.
10593 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10595         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
10596         before function.  Extend register save check to include all
10597         registers, not just integer ones.
10599 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10601         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
10602         (m68k_use_return_insn): ...this.
10603         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
10604         * config/m68k/m68k.c (use_return_insn): Rename to...
10605         (m68k_use_return_insn): ...this.
10606         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
10607         of USE_RETURN_INSN.
10609 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10611         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
10612         nearest even, fix denormal rounding overflow.
10614 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10616         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
10617         f%$smove and f%$move.
10618         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
10619         (extendsfdf2_cf): Use fdmove instead of f%&move.
10620         (truncdfsf2_cf): Use fsmove instead of f%$smove.
10621         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
10623 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10625         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
10626         GPR<-GPR moves.
10628 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10630         * real.h (real_format): Add a canonical_nan_lsbs_set field.
10631         (coldfire_single_format): Declare.
10632         (coldfire_double_format): Likewise.
10633         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
10634         of qnan_msb_set to determine the lower bits of a canonical
10635         NaN significand.
10636         (encode_ieee_double): Likewise.
10637         (encode_ieee_quad): Likewise.
10638         (ieee_single_format): Initialize canonical_nan_lsbs_set.
10639         (mips_single_format): Likewise.
10640         (ieee_double_format): Likewise.
10641         (mips_double_format): Likewise.
10642         (ieee_extended_motorola_format): Likewise.
10643         (ieee_extended_intel_96_format): Likewise.
10644         (ieee_extended_intel_128_format): Likewise.
10645         (ieee_extended_intel_96_round_53_format): Likewise.
10646         (ibm_extended_format): Likewise.
10647         (mips_extended_format): Likewise.
10648         (ieee_quad_format): Likewise.
10649         (mips_quad_format): Likewise.
10650         (vax_f_format): Likewise.
10651         (vax_d_format): Likewise.
10652         (vax_g_format): Likewise.
10653         (i370_single_format): Likewise.
10654         (i370_double_format): Likewise.
10655         (decimal_single_format): Likewise.
10656         (decimal_double_format): Likewise.
10657         (decimal_quad_format): Likewise.
10658         (c4x_single_format): Likewise.
10659         (c4x_extended_format): Likewise.
10660         (real_internal_format): Likewise.
10661         (coldfire_single_format): New real_format.
10662         (coldfire_double_format): Likewise.
10663         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
10664         canonical_nan_lsbs_set.
10665         (pdp11_d_format): Likewise.
10666         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
10667         if TARGET_COLDFIRE_CPU.
10669 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10671         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
10672         (output_call, m68k_legitimize_call_address): Declare.
10673         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
10674         parenthesees.  Add support for a 'W' constraint.
10675         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
10676         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
10677         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
10678         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
10679         variables.
10680         (override_options): Initialize them.  Do not set flag_no_function_cse
10681         for TARGET_ID_SHARED_LIBRARY.
10682         (m68k_output_pic_call): Delete.
10683         (m68k_legitimize_call_address): New function.
10684         (print_operand): Remove the %o prefix.  Handle the %p prefix.
10685         (output_call): New function.
10686         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
10687         target address from the GOT if symbolic jumps are not allowed.
10688         * config/m68k/m68k.md (call, general_operand): Do not set
10689         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
10690         Merge separate flag_pic and !flag_pic define_insns into...
10691         (*call, *call_value): ...these new patterns.  Match the address
10692         rather than the containing MEM and require it to be a call_operand.
10693         Use output_call to generate the asm template.
10694         * config/m68k/predicates.md (const_call_operand): New predicate.
10695         (call_operand): Likewise.
10697 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10699         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
10700         (STACK_GROWS_DOWNWARD): Define to 1.
10701         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
10702         comments, emphasizing that these values are only defaults.
10703         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
10704         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
10706 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10708         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
10710 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10711             Richard Sandiford  <richard@codesourcery.com>
10713         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
10714         (FP_REGNO_P): New macros.
10715         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
10716         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
10717         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
10718         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
10720 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10722         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10723         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
10724         to $tmake_file.
10725         * config/m68k/t-floatlib: New file, extracting common code from...
10726         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
10727         * config/m68k/t-uclinux: Here.
10728         * config/m68k/fpgnulib.c: Do not compile extendeed precision
10729         routines on ColdFire targets.
10731 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10733         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10734         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
10735         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
10736         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
10737         explicitly set MOTOROLA to 1.
10738         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
10740 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10741             Nathan Sidwell  <nathan@codesourcery.com>
10743         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
10744         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
10745         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
10746         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
10747         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
10748         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
10749         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
10750         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
10751         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
10752         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
10753         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
10754         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
10755         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
10756         (DBX_REGISTER_NUMBER): Delete.
10757         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
10758         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
10759         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
10761 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10763         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
10764         * config/flat.h: New file.
10765         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
10766         OBJECT_FORMAT_FLAT.
10767         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
10768         indirect references for -msep-data or -mid-shared-library.
10769         Do not use PC-relative code addresses either.
10770         * config/m68k/m68k.c (override_options): Restrict -fPIC error
10771         to -mpcrel.
10772         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
10773         for shared libraries and crt1.o for executables.  Use crti.o and
10774         crtbegin.o.
10775         (ENDFILE_SPEC): Use crtend.o and crtn.o.
10776         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
10777         Do not add -elf2flt or -shared-lib-id options here.
10778         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
10779         Pass -shared-lib-id if -mid-shared-library, taking the library
10780         identifier from -mshared-library-id if given, otherwise
10781         defaulting to 0.
10782         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
10783         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
10784         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
10785         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
10786         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
10787         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
10788         and crtend.o.
10789         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
10790         jump sequence for ISA A and ISA A+.
10791         (PICJUMP): Likewise.
10793 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10795         * config.gcc (m68k-*-uclinux*): Base the port on the common
10796         and m68k GNU/Linux files rather than on the generic ELF ones.
10797         * config/m68k/uclinux.h (TARGET_VERSION): Override.
10798         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
10800 2007-01-18  Julian Brown  <julian@codesourcery.com>
10801             Richard Sandiford  <richard@codesourcery.com>
10803         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
10804         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
10805         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
10806         before redefining.
10807         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
10808         80 unconditionally.
10809         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
10811 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10813         * doc/install.texi: Document m68k-uclinuxoldabi.
10814         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
10815         * config/m68k/uclinux-oldabi.h: New file, copied from
10816         config/m68k/uclinux.h.
10818 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
10820         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
10821         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
10822         (m32r_compute_frame_size): Use unsigned for regno.
10823         (m32r_reload_lr): Use gen_frame_mem.
10824         (pop): New.
10825         (m32r_output_function_epilogue): Don't output the function epilogue
10826         textually here.
10827         (m32r_expand_epilogue): New.
10828         (direct_return): Return false if the function has the interrupt
10829         attribute.
10830         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
10831         * config/m32r/m32r.md (epilogue): New expander.
10832         (return_lr, return_rte): New insns.
10833         (return): Make it expander.
10834         (return_normal): New expander.
10836 2007-01-18  Josh Conner  <jconner@apple.com>
10838         PR target/30485
10839         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
10840         support for UNLE, UNLT, UNGE, and UNGT.
10842 2007-01-18  Jan Hubicka  <jh@suse.cz>
10844         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
10845         * tree-tailcall (add_virtual_phis): Likewise.
10846         (optimize_tail_call): Return TODOs.
10847         (execute_tail_calls): Return TODOs.
10848         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
10849         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
10850         changed.
10851         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
10852         Cleanup cfg using TODO.
10853         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
10854         * passes.c (execute_function_todo): When cleanup did something, remove
10855         unused locals.
10856         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
10857         (make_edges): Don't cleanup_cfg.
10859 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
10861         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
10862         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
10863         operate on the top of stack.
10864         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
10865         register handling of instructions that output to the second
10866         stack slot.
10867         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
10868         (move_for_stack_reg): Special-case check for dead destination
10869         stack slot for constant load of 1.0 inside UNSPEC_TAN.
10871         * config/i386/i386.md (UNSPEC_TAN): New constant.
10872         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
10873         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
10874         to correctly model move of constant 1.0 to top stack slot.
10875         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
10876         (unnamed peephole2 pattern): Remove corresponding peephole2
10877         pattern that optimizes tan insn and loading of constant 1.0.
10878         (tanxf2): Use fptanxf4_i387.
10879         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
10880         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
10881         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10882         disable patterns for SSE math.
10883         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
10884         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
10886 2007-01-18  Dirk Mueller  <dmueller@suse.de>
10887             Richard Guenther <rguenther@suse.de>
10889         PR diagnostic/8268
10890         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
10891         * common.opt (Warray-bounds): Add new warning option.
10892         * c-opts.c (c_common_handle_option): Define -Warray-bounds
10893         if -Wall is given.
10894         * Makefile.in: make tree-vrp.o depend on toplev.h
10895         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
10896         is enabled.
10897         (check_array_refs, check_array_bounds, check_array_ref): New.
10899 2007-01-18  Jan Hubicka  <jh@suse.cz>
10901         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
10902         (execute_ssa_ccp): Return flags conditionally.
10903         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
10904         changed.
10905         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
10907 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
10909         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
10910         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
10912         * Makefile.c (GTFILES): Add cfglayout.h.
10913         * gengtype.c (open_base_files): Likewise.
10914         * cfglayout.c (cfg_layout_function_footer,
10915         cfg_layout_function_header) Reindent to make gengtype happy.
10916         * cfglayout.h (cfg_layout_function_footer,
10917         cfg_layout_function_header): Add GTY(()) marker.
10919         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
10921 2007-01-18  Ben Elliston  <bje@au.ibm.com>
10923         * genautomata.c (write_automata): Include xstrerror output in the
10924         error message if writing the DFA description file fails.
10926 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
10928         * config/mips/mips-protos.h (mips_output_external): Make it
10929         return void.
10930         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
10931         * config/mips/mips.c (irix_output_external_libcall): Likewise.
10932         (extern_list): Likewise.
10933         (extern_head): Likewise.
10934         (TARGET_ASM_FILE_END): Likewise.
10935         (mips_file_end): Likewise.
10936         (mips_output_external): Rewritten.
10938 2007-01-18  Ben Elliston  <bje@au.ibm.com>
10940         * genpreds.c (write_insn_preds_c): Only write out the function
10941         body for regclass_for_constraint if we have register constraints.
10943 2007-01-17  Tom Tromey  <tromey@redhat.com>
10945         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
10946         * doc/install.texi (Testing): Use sourceware.org.
10947         (Binaries): Likewise.
10948         (Specific): Likewise.
10949         * doc/contrib.texi (Contributors): Use sourceware.org.
10951 2007-01-17  Anatoly Sokolov <aesok@post.ru>
10953         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
10954         (AVR_ENHANCED): Rename to ...
10955         (AVR_HAVE_MUL): ... new.
10956         (avr_enhanced_p): Rename to ...
10957         (avr_have_mul_p): ... new.
10958         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
10959         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
10960         * config/avr/avr.c (avr_enhanced_p): Rename to ...
10961         (avr_have_mul_p): ... new.
10962         (base_arch_s): Rename 'enhanced' to 'have_mul'.
10963         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
10964         'avr_enhanced_p' and 'enhanced'.
10965         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
10966         AVR_HAVE_MUL instead of AVR_ENHANCED.
10967         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
10968         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
10969         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
10970         instead of AVR_ENHANCED.
10971         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
10972         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
10973         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
10975 2007-01-17  Ian Lance Taylor  <iant@google.com>
10977         * vec.h (VEC_reserve_exact): Define.
10978         (vec_gc_p_reserve_exact): Declare.
10979         (vec_gc_o_reserve_exact): Declare.
10980         (vec_heap_p_reserve_exact): Declare.
10981         (vec_heap_o_reserve_exact): Declare.
10982         (VEC_OP (T,A,reserve_exact)): New static inline function, three
10983         versions.
10984         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
10985         negative parameter.
10986         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
10987         (VEC_OP (T,A,copy)) [all versions]: Likewise.
10988         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
10989         * vec.c (calculate_allocation): Add exact parameter.  Change all
10990         callers.
10991         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
10992         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
10993         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
10994         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
10995         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
10996         (vec_heap_p_reserve_exact): New function.
10997         (vec_heap_o_reserve_exact): New function.
10999 2007-01-17  Jan Hubicka  <jh@suse.cz>
11001         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
11003 2007-01-17  Eric Christopher  <echristo@apple.com>
11005         * config.gcc: Support core2 processor.
11007 2007-01-16  Jan Hubicka  <jh@suse.cz>
11009         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
11010         the names, just unlink the chain so we don't crash on dangling pointers
11011         to dead SSA names.
11013 2007-01-16  Jan Hubicka  <jh@suse.cz>
11015         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
11016         * tree-pass.h: Reorder to make IPA passes appear toegher.
11017         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
11018         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
11019         parameters, do not call early inliner.
11020         * ipa-inline.c: Update comments.  Include tree-flow.h
11021         (cgraph_decide_inlining): Do not compute inlining parameters.
11022         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
11023         be called with function context set up.
11024         (pass_ipa_inline): Remove unreachable functions before pass.
11025         (cgraph_early_inlining): Simplify assuming to be called from the
11026         PM as local pass.
11027         (pass_early_inline): New pass.
11028         (cgraph_gate_ipa_early_inlining): New gate.
11029         (pass_ipa_early_inline): Turn into simple wrapper.
11030         (compute_inline_parameters): New function.
11031         (gate_inline_passes): New gate.
11032         (pass_inline_parameters): New pass.
11033         (apply_inline): Move here from tree-optimize.c
11034         (pass_apply_inline): New pass.
11035         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
11036         transforming.
11037         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
11038         doing them by hand.
11039         (tree_function_versioning): Do not allocate dummy struct function.
11040         * tree-inline.h (optimize_inline_calls): Update prototype.
11041         * tree-optimize.c (execute_fixup_cfg): Export.
11042         (pass_fixup_cfg): Remove
11043         (tree_rest_of_compilation): Do not apply inlines.
11044         * tree-flow.h (execute_fixup_cfg): Declare.
11045         * Makefile.in (gt-passes.c): New.
11046         * passes.c: Include gt-passes.h
11047         (init_optimization_passes): New passes.
11048         (nnodes, order): New static vars.
11049         (do_per_function_toporder): New function.
11050         (execute_one_pass): Dump current pass here.
11051         (execute_ipa_pass_list): Don't dump current pass here.
11053 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
11055         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
11056         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
11058 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
11060         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
11061         (strong_alias): Define.
11062         (__gcc_qmul): Provide non-FMA for soft-float.
11063         (__gcc_qdiv): Same.
11064         (__gcc_qneg): New.
11065         (__gcc_qeq): New.
11066         (__gcc_qle): New.
11067         (__gcc_qge): New.
11068         (__gcc_qunord): New.
11069         (__gcc_stoq): New.
11070         (__gcc_dtoq): New.
11071         (__gcc_qtos): New.
11072         (__gcc_qtod): New.
11073         (__gcc_qtoi): New.
11074         (__gcc_qtou): New.
11075         (__gcc_itoq): New.
11076         (__gcc_utoq): New.
11077         (fmsub): New.
11078         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
11079         soft-float functions.
11080         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
11081         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
11082         about long double soft float.
11084 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
11085             Tehila Meyzels  <tehila@il.ibm.com>
11087         * tree-vectorizer.h (is_pattern_stmt_p): New.
11088         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
11089         formatting (tabs instead of spaces). Cleanup and clarify setting
11090         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
11091         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
11092         (vectorizable_type_demotion): Check that types are integral.
11093         (vectorizable_type_promotion): Likewise.
11094         (vectorizable_store): Fix typo.  Eliminate new-line at end of
11095         comments.
11097 2007-01-16  Jan Hubicka  <jh@suse.cz>
11099         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
11100         cgraph edges too.
11102 2007-01-15  Eric Christopher  <echristo@apple.com>
11104         * ifcvt.c: Include vec.h, vecprim.h.
11105         (check_cond_move_block): New argument regs.
11106         Reorganize. Add registers used to regs.
11107         (cond_move_process_if_block): Use regs set above as
11108         loop bounds.
11110 2007-01-15  Eric Christopher  <echristo@apple.com>
11112         * config/darwin.h: Update copyright.
11113         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
11114         (LINK_COMMAND_SPEC): Add -u.
11115         (LINK_SPEC): Fix umbrella for above.
11117 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
11119         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
11120         glibc CVS.
11122 2007-01-15  Tom Tromey  <tromey@redhat.com>
11124         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
11125         * doc/install.texi (Testing): Don't mention jacks.
11126         (Configuration): Document --enable-java-maintainer-mode.  Move
11127         --with-java-home to libgcj-specific section.  Document
11128         --with-ecj-jar.
11129         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
11131 2007-01-15  Jan Hubicka  <jh@suse.cz>
11133         * tree-ssa-dce.c (DCE_TODOs): New.
11134         (propagate_necessity): Return if something changed.
11135         (eliminate_unnecessary_stmts): Likewise.
11136         (perform_tree_ssa_dce): Return TODO flags when needed.
11137         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
11139 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
11141         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
11142         (fyl2x_extend<mode>xf3_i387): New insn pattern.
11143         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
11144         patterns using X87MODEF12 mode macro.  Extend operand 1
11145         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
11146         (log10<mode>2): Ditto.
11147         (log2<mode>2): Ditto.
11148         (log1p<mode>2): Ditto.
11149         (logb<mode>2): Ditto.
11150         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
11151         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
11152         (*fxtractxf3_i387): Rename from *fxtractxf3.
11153         (fxtract_extend<mode>xf3_i387): New insn pattern.
11154         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
11155         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
11156         and gen_fyl2xxf3_i387().
11158 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
11160         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
11161         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
11162         get_loop_exit_edges.  Changed return type to bool.
11163         * cfgloop.h (fix_loop_placement): Declaration removed.
11165 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
11167         * param.h (MIN_VECT_LOOP_BOUND): New.
11168         * params.def (MIN_VECT_LOOP_BOUND): New.
11169         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
11170         argument - minimum threshold for number of iterations.
11171         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
11172         argument to declaration.
11173         * tree-vect-analyze.c (vect_analyze_operations): Check value of
11174         MIN_VECT_LOOP_BOUND.
11175         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
11176         slpeel_tree_peel_loop_to_edge with additional argument.
11177         (vect_do_peeling_for_alignment): Likewise.
11178         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
11180 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
11182         PR target/30413
11183         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
11184         operands of size 1.
11186 2007-01-14  Jan Hubicka  <jh@suse.cz>
11188         * tree-dfa.c (remove_referenced_var): New function.
11189         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
11190         prune referenced vars list too.
11191         * tree-flow.h (remove_referenced_var): Declare.
11193 2007-01-14  Jan Hubicka  <jh@suse.cz>
11195         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
11196         separately.
11197         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
11198         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
11199         * except.h (verify_eh_throw_table_statements): Kill prototype.
11200         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
11201         into call exrepssions.
11202         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
11203         eh trhow verifier.
11204         * tree-cfg.c: Include pointer-set.h.
11205         (verify_node_sharing): Work on pointer set.
11206         (verify_eh_throw_stmt_node): New.
11207         (verify_stmts): Use pointers sets, verify throw_stmt.
11209 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
11211         * ipa-reference.c (analyze_function): Consider also addresses taken
11212         in phi nodes.
11214 2007-01-12  Roger Sayle  <roger@eyesopen.com>
11216         * c-typeck.c (null_pointer_constant_p): Replace use of
11217         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11218         (build_c_cast): Likewise.
11220 2007-01-12  Roger Sayle  <roger@eyesopen.com>
11222         * tree.h (force_fit_type_double): Remove unused final argument.
11223         * c-common.c (constant_expression_warning): Replace use of
11224         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11225         (convert_and_check): Likewise.
11226         (shorten_compare): Update call to force_fit_type_double.
11227         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
11228         * convert.c (convert_to_pointer): Update call to
11229         force_fit_type_double.
11230         * fold-const.c (force_fit_type_double): Remove overflowed_const
11231         argument.
11232         (int_const_binop, fold_convert_const_int_from_int,
11233         fold_convert_const_int_from_real, fold_div_compare,
11234         fold_sign_changed_comparison, fold_unary, fold_negate_const,
11235         fold_abs_const, fold_not_const): Remove the final argument from
11236         calls to force_fit_type_double.
11238 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11240         * configure.ac: Set insn to "nop" for spu-*-* also.
11241         * configure: Regenerate.
11243 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
11245         * builtins.def : Add BUILT_IN_FREE.
11247 2007-01-12  Jan Hubicka  <jh@suse.cz>
11249         PR tree-optimization/30443
11250         * tree-inline.c (tree_function_versioning): Do not optimize when
11251         cloning for inlining.
11253 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
11255         * doc/loop.texi: Document recording of loop exits.
11256         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
11257         (update_single_exits_after_duplication,
11258         update_single_exit_for_duplicated_loop,
11259         update_single_exit_for_duplicated_loops): Removed.
11260         (duplicate_loop_to_header_edge): Do not call
11261         update_single_exits_after_duplication and
11262         update_single_exit_for_duplicated_loops.
11263         (loop_version): Do not update single_exit information.
11264         (fix_loop_structure): Use record_loop_exits instead of
11265         mark_single_exit_loops.
11266         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
11267         the lists of loop exits.
11268         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
11269         split_edge, merge_blocks): Update the lists of loop exits.
11270         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
11271         loop_optimizer_init.
11272         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
11273         of mark_single_exit_loops.
11274         (loop_optimizer_finalize): Call release_recorded_exits.
11275         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
11276         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
11277         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
11278         update single exit information.
11279         * lambda-code.c (perfect_nestify): Ditto.
11280         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
11281         (mark_single_exit_loops): Removed.
11282         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
11283         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
11284         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
11285         functions.
11286         (get_loop_exit_edges, single_exit): Use recorded exit lists.
11287         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
11288         (verify_loop_structure): Verify consistency of the exit lists.
11289         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
11290         (set_single_exit): Removed.
11291         * cfgloop.h (struct loop_exit): New function.
11292         (struct loop): single_exit_ field replaced by exits field.
11293         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
11294         (struct loops): Added exits hash.
11295         (mark_single_exit_loops, set_single_exit): Declaration removed.
11296         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
11298 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11300         * doc/invoke.texi: Avoid use of @headitem.
11302 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11304         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
11306 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11308         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
11309         list of targets.
11311 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11312             Richard Sandiford  <richard@codesourcery.com>
11314         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
11315         * config/m68k/m68k.opt: Resort options.
11316         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
11318 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11319             Richard Sandiford  <richard@codesourcery.com>
11321         * doc/invoke.texi: Document the macros that are defined by
11322         m68k's -mtune and -mhard-float options.
11323         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
11324         (m68k_cpp_cpu_family): Likewise.
11325         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
11326         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
11327         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
11328         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
11329         (m68k_cpp_cpu_family): Likewise.
11331 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11333         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
11334         macros besides mc68000 as tuning macros.  Use a switch statement
11335         to set them and mcpu32.
11337 2007-01-12  Julian Brown  <julian@codesourcery.com>
11339         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
11340         (TARGET_68040_ONLY): Rename to...
11341         (TARGET_68040): ...this.
11342         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
11343         * config/m68k/m68k.md: Likewise.
11345 2007-01-12  Julian Brown  <julian@codesourcery.com>
11346             Nathan Sidwell  <nathan@codesourcery.com>
11347             Richard Sandiford  <richard@codesourcery.com>
11349         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
11350         the -mcpu= argument associated with the --with-cpu setting.
11351         Define M68K_DEFAULT_TUNE to the default -mtune= option,
11352         if different from the one implied by the -mcpu setting.
11353         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
11354         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
11355         * doc/invoke.texi: Mention ColdFire in the introduction to the
11356         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
11357         -mno-div and -mhard-float options.  Make -m68881 a synonym for
11358         -mhard-float.  Document the previously-undocumented -m5206e,
11359         -m528x, -m5307 and -m5407 options.  Tweak the existing option
11360         documentation for consistency.
11361         * doc/install.texi: Mention new --with-cpu arguments.
11362         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
11363         default CPU if neither -mcpu nor -march are specified.
11364         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
11365         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
11366         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
11367         using m68k_tune to decide between families that implement the
11368         same ISA.  Use m68k_tune to set __mcfv4e__.
11369         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
11370         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
11371         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
11372         (FL_ISA_C, FL_ISA_MMU): New macros.
11373         (MASK_COLDFIRE): Delete.
11374         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
11375         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
11376         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
11377         (TARGET_HARD_FLOAT): Do not define here.
11378         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
11379         (TUNE_68000): New macro.
11380         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
11381         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
11382         (TUNE_CFV2): Redefine in terms of m68k_tune.
11383         (uarch_type, target_device, fpu_type): New enums.
11384         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
11385         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
11386         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
11387         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
11388         (FL_FOR_isa_c): New macros.
11389         (m68k_isa): New enum.
11390         (m68k_target_selection): New structure.
11391         (all_devices, all_isas, all_microarchs): New tables.
11392         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
11393         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
11394         (MASK_ALL_CPU_BITS): Delete.
11395         (m68k_find_selection): New function.
11396         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
11397         Map the legacy target options to a combination of the new ones.
11398         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
11399         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
11400         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
11401         settings.
11402         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
11403         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
11404         properties.
11405         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
11406         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
11407         * config/m68k/m68k-devices.def: New file.
11409 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11410             Nathan Sidwell  <nathan@codesourcery.com>
11412         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
11413         (SUBTARGET_EXTRA_SPECS): New macros.
11414         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
11415         use %(asm_cpu_spec) instead.
11416         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
11417         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
11418         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
11419         (EXTRA_SPECS): Rename to...
11420         (SUBTARGET_EXTRA_SPECS): ...this.
11422 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11423             Richard Sandiford  <richard@codesourcery.com>
11424             Julian Brown  <julian@codesourcery.com>
11426         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
11427         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
11428         to the configuration's default CPU.
11429         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
11430         Remove default masks.
11431         (m680[012]0-*-*): Set the default with_cpu to the first part of
11432         the target name.
11433         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
11434         (m68k*-*-linux): Extend the --with-cpu handling to...
11435         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
11436         and m68010.  Don't set target_cpu_default2.
11437         * doc/install.texi: Document --with-cpu for m68k.
11438         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
11439         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
11440         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
11441         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
11442         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
11443         (ASM_SPEC): Remove use of %(asm_cpu_default).
11444         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
11445         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
11446         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
11447         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
11448         __HAVE_FPU__ if TARGET_HARD_FLOAT.
11449         (TARGET_DEFAULT): Delete.
11450         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
11451         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
11452         (CPP_CPU_SPEC): Delete.
11453         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
11454         the appropriate string.
11455         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
11456         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
11457         (ASM_SPEC): Don't use %(asm_default_spec).
11458         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11459         TARGET_DEFAULT and add MASK_68881.
11460         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
11462 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11464         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
11465         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
11466         MASK_68010 alongside MASK_68020.
11467         * doc/invoke.texi: Document -m68010.
11468         * config/m68k/m68k.opt (m68010): New.
11469         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
11470         if TUNE_68010.
11471         (TUNE_68010): New macro.
11472         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
11473         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
11474         (M68K_CPU_m68332): Add MASK_68010.
11475         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
11476         fallback definition.
11477         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
11478         defines.
11479         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
11480         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
11481         to all entries that use MASK_68020.
11482         (output_move_simode_const, output_move_himode, output_move_qimode)
11483         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
11484         instead of TARGET_68020 to select clr behavior.  Remove comment
11485         about there being no TARGET_68010.
11486         * config/m68k/m68k.md: Likewise throughout.
11488 2007-01-12  Julian Brown  <julian@codesourcery.com>
11490         * config/m68k/m68k.h (TARGET_ISAB): New macro.
11491         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
11492         * config/m68k/m68k.md: Likewise.
11494 2007-01-12  Julian Brown  <julian@codesourcery.com>
11496         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
11497         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
11499 2007-01-12  Julian Brown  <julian@codesourcery.com>
11501         * config/m68k/m68k.h (TUNE_68040_60): New macro.
11502         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
11503         * config/m68k/m68k.md: Likewise.
11505 2007-01-12  Julian Brown  <julian@codesourcery.com>
11506             Richard Sandiford  <richard@codesourcery.com>
11508         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
11509         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
11510         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
11511         TARGET_CPU32.
11512         (TARGET_CPU32): Rename to...
11513         (TUNE_CPU32): ...this.
11514         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
11515         (TUNE_CFV2): New macros.
11516         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
11517         remove conditions that are implied by TARGET_68020.
11518         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
11519         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
11520         (m68k_output_function_epilogue): Likewise.
11521         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
11522         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
11523         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
11524         non-68000 timings.  Refactor multiplication and division costs.
11525         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
11526         TUNE_CPU32 instead of TARGET_CPU32.
11527         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
11528         and TUNE_68060 instead of TARGET_68060.
11529         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
11530         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
11531         TARGET_CPU32.
11532         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
11533         && !TARGET_COLDFIRE" to choose between moveq and clr.
11534         Likewise in the unnamed movsf pattern.
11535         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
11536         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
11537         ashiftrt pattern.
11539 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11541         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
11542         of tabbing before backslashes.
11544 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11546         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
11547         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
11548         (ASM_OUTPUT_INTERNAL_LABEL): Define.
11550 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
11552         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
11553         find_interesting_uses_cond.
11554         (find_interesting_uses_cond): Use extract_cond_operands.
11555         (rewrite_use_compare): Use extract_cond_operands and
11556         force_gimple_operand_bsi.  Do not call update_stmt.
11557         (determine_use_iv_cost_condition): Use extract_cond_operands.
11558         Return cheaper of using original bound and changing the exit bound.
11560 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
11562         PR tree-optimization/29516
11563         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
11564         most_expensive_mult_to_index, addr_to_parts,
11565         create_mem_ref, maybe_fold_tmr): Make the type of
11566         fields of TARGET_MEM_REF sizetype.
11567         (move_fixed_address_to_symbol, move_pointer_to_base):
11568         New functions.
11569         * tree.def (TARGET_MEM_REF): Add comment on types of
11570         the operands.
11572 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
11574         * c-common.c (vector_types_convertible_p): Treat opaque types as
11575         always convertible if they have the same size, but not otherwise.
11577 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
11579         * ifcvt.c (struct noce_if_info): Add comments to the fields.
11580         Remove the b_unconditional field.
11581         (noce_try_sign_mask): Do not look at b_unconditional.
11582         (noce_process_if_block): Do not use merge_if_blocks.  Update
11583         the CFG here.  Do not set b_unconditional.
11584         (cond_move_process_if_block): Likewise.
11585         (find_cond_trap): Likewise.
11586         (check_cond_move_block): Require simple jump insns at the end
11587         of the basic block.
11589 2007-01-11  Jan Hubicka  <jh@suse.cz>
11591         PR tree-optimization/1046
11592         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
11593         when alias info is not ready.
11594         (pass_tail_recursion): Do not require aliasing.
11595         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
11596         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
11597         * tree-ssa-copy.c (pass_copy_prop): Likewise.
11598         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
11599         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
11600         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
11601         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
11602         before inlining.
11603         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
11604         When aliasing is not build, mark statement as volatile.
11606 2007-01-11  Tom Tromey  <tromey@redhat.com>
11608         PR preprocessor/15185, PR preprocessor/20989:
11609         * doc/cppopts.texi <-MT>: Update description of algorithm for
11610         computing default target.
11611         <-M, -MD>: Reword "basename" text.
11613 2007-01-11  Roger Sayle  <roger@eyesopen.com>
11615         * builtins.c (expand_builtin_pow, expand_builtin_powi,
11616         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
11617         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
11618         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
11619         fold_builtin_bswap, real_constp, fold_builtin_pow,
11620         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
11621         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
11622         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11623         * convert.c (convert_to_pointer): Likewise.
11624         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
11625         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
11626         const_binop, fold_convert_const_int_from_int,
11627         fold_convert_const_int_from_real,
11628         fold_convert_const_real_from_real, sign_bit_p,
11629         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
11630         fold_sign_changed_comparison, fold_unary, fold_comparison,
11631         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
11632         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
11633         * print-tree.c (print_node_brief, print_node): Likewise.
11634         * stor-layout.c (place_field, layout_type): Likewise.
11635         * tree-chrec.c (keep_cast): Likewise.
11636         * tree.c (build_vector, build_real, build_real_from_int_cst,
11637         build_complex): Likewise.
11639 2007-01-11  Roger Sayle  <roger@eyesopen.com>
11641         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
11642         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
11644 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
11646         * configure.ac (strict1_warn): Rename to strict_warn.
11647         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
11648         cc_set_by_configure, quoted_cc_set_by_configure,
11649         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
11650         all_boot_languages, all_stagestuff): Remove.
11651         (target_list): Remove bootstrap targets.
11652         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
11653         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
11654         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
11655         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
11656         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
11657         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
11658         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
11659         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
11660         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
11661         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
11662         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
11663         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
11664         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
11665         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
11666         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
11667         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
11668         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
11669         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
11670         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
11671         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
11672         (mostlyclean): Adjust.
11673         (clean, distclean): Don't mention bootstrap stuff.
11674         * configure: Regenerate.
11675         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
11676         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
11677         treelang/config-lang.in (stagestuff): Remove.
11678         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
11679         stageprofile, stagefeedback, stagestuff): Remove mention.
11681 2007-01-11  Nick Clifton  <nickc@redhat.com>
11683         * config/mcore/predicates.md (mcore_general_movesrc_operand):
11684         Accept CONSTs.
11685         (mcore_general_movdst_operand): Do not accept CONST_INTs.
11686         (mcore_arith_K_S_operand): Run the test for the S constraint not
11687         the test for the M constraint.
11688         (mcore_addsub_operand): Do not accept integer values that are
11689         larger than 32 bits.
11690         * config/mcore/mcore.md: Remove unused constraints from split.
11691         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
11692         (addsi3): Likewise.
11693         (allocate_stack): Likewise.
11694         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
11695         operands to 32 bits.
11696         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
11697         INTVAL.
11698         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
11699         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
11700         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
11701         mcore_output_bclri, mcore_output_andn, output_inline_const,
11702         mcore_output_move, mcore_output_movedouble): Likewise.
11703         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
11704         (output_inline_const): Likewise.
11705         (output_inline_const): Fix format strings used in sprintf
11706         statements.
11707         * config/mcore/mcore-protos.h: Update prototypes for changed
11708         functions in mcore.c.
11709         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
11710         HOST_WIDE_INT and not int.
11711         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
11712         CONST_OK_FOR_N): Likewise.
11713         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
11714         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
11715         an INTVAL.
11717 2007-01-10  Jan Hubicka  <jh@suse.cz>
11719         * tree-vrp.c (remove_range_assertions): Release defs.
11720         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
11721         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
11723 2007-01-10  Paul Brook  <paul@codesourcery.com>
11725         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
11726         * config/arm/arm.md (mulsi3subsi): New insn.
11728 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
11730         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
11731         (tree_transform_and_unroll_loop): New.
11732         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
11733         Declare.
11735 2007-01-10  Robert Kennedy <jimbob@google.com>
11737         * fold-const.c (fold_comparison): Fold comparisons like (x *
11738         1000 < 0) to (x < 0).
11740 2007-01-10  Ian Lance Taylor  <iant@google.com>
11742         * tree-pretty-print.c (dump_generic_node): Print parentheses when
11743         operands have the same priority.
11745 2007-01-10  Tom Tromey  <tromey@redhat.com>
11747         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
11748         (fold_binary): Likewise.
11749         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
11750         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
11751         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
11752         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
11753         * langhooks.h (struct lang_hooks): Removed field
11754         'can_use_bit_fields_p'.
11756 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
11758         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
11760 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
11762         * function.c (get_last_funcdef_no): New function.
11763         * function.h (get_last_funcdef_no): Declare.
11764         * tree-inline.c (initialize_cfun): Add initialization.
11765         (tree_function_versioning): Cleanup.
11767 2007-01-10  Jan Hubicka  <jh@suse.cz>
11769         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
11770         PHIs.
11772 2007-01-10  Sa Liu  <saliu@de.ibm.com>
11773             Ben Elliston  <bje@au.ibm.com>
11775         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
11776         for SAVE_NONLOCAL and Pmode for any other save level.
11777         * spu-protos.h (spu_restore_stack_block): Declare.
11778         * spu.md (save_stack_block): Remove.
11779         (restore_stack_block): Call spu_restore_stack_block.
11780         * spu.c (spu_restore_stack_block): New function.
11781         (spu_expand_epilogue): Remove old comment.
11783 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
11785         PR tree-optimization/30322
11786         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
11787         (cand_value_at): Return the value as aff_tree.
11788         (may_eliminate_iv): Convert the bound from aff_tree to tree.
11789         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
11790         aff_combination_mult): New functions.
11791         (aff_combination_add): Use aff_combination_add_cst.
11792         (aff_combination_convert): Allow conversions to a wider type.
11793         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
11794         * tree-affine.h (aff_combination_mult): Declare.
11796 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
11798         * doc/tm.texi: Update documentation to reflect reality of exec
11799         and start file search behaviours. Update copyright year.
11800         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
11801         header file directories.
11803 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
11805         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
11806         (*cosxf2): Rename to cosxf2_i387.
11807         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
11808         using X87MODEF12 mode macro. Rename patterns to
11809         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
11810         for SSE math.
11811         (*cosdf2, *cossf2): Ditto.
11812         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
11813         to match extended input operands.
11814         (sincos<mode>3): New expander.
11815         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
11816         insn patterns and corresponding splitters.
11818 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
11820         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
11821         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
11823 2007-01-09  Nicolas Pitre  <nico@cam.org>
11825         PR target/30173
11826         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
11828 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
11830         * target.h (struct gcc_target): New field library_rtti_comdat.
11831         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
11832         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
11833         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
11834         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
11836 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
11838         * doc/invoke.texi (Optimize Options): Correct description of -O0.
11840 2007-01-08  Richard Guenther  <rguenther@suse.de>
11842         * tree.h (force_fit_type_double): Export.
11843         (force_fit_type): Remove.
11844         * fold-const.c (force_fit_type_double): New function.
11845         (force_fit_type): Remove.
11846         (int_const_binop): Use it.
11847         (fold_convert_const_int_from_int): Likewise.
11848         (fold_convert_const_int_from_real): Likewise.
11849         (fold_div_compare): Likewise.
11850         (fold_sign_changed_comparison): Likewise.
11851         (fold_unary): Likewise.
11852         (fold_negate_const): Likewise.
11853         (fold_abs_const): Likewise.
11854         (fold_not_const): Likewise.
11855         * c-common.c (shorten_compare): Use force_fit_type_double.
11856         * convert.c (convert_to_pointer): Likewise.
11858 2007-01-08  Richard Guenther  <rguenther@suse.de>
11860         * tree.h (build_int_cst_wide_type): Export.
11861         * tree.c (build_int_cst_wide_type): New function.
11862         (build_int_cst_wide): Fix comment.
11863         * builtins.c (fold_builtin_object_size): Use build_int_cst
11864         to build -1 or 0 of the correct type.  Use fit_double_type
11865         to check for overflow.
11866         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
11867         to build the mask.
11868         (decode_field_reference): Likewise.
11869         (all_ones_mask_p): Likewise.
11870         (native_interpret_int): Use build_int_cst_wide_type.
11871         (fold_binary): Use build_int_cst_type to build an all-ones
11872         value.
11873         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
11875 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
11877         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
11879 2007-01-09  Ben Elliston  <bje@au.ibm.com>
11881         * genautomata.c (STATS_OPTION): New option.
11882         (stats_flag): New flag.
11883         (gen_automata_option): Handle it.
11884         (initiate_automaton_gen): Ditto.
11885         (write_automata): Output statistics only if stats_flag is
11886         set. Likewise, output time statistics only if time_flag is set.
11887         * doc/md.texi (Processor pipeline description): Document new flag.
11889 2007-01-08  Richard Guenther  <rguenther@suse.de>
11891         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
11892         * tree.c (build_int_cst_type): Likewise.
11893         (size_in_bytes): Don't call force_fit_type on the result.
11894         (int_fits_type_p): Use fit_double_type.
11895         * fold-const.c (fit_double_type): New function.
11896         (force_fit_type): Use it.
11897         * tree.h (fit_double_type): Export.
11899 2007-01-08  Jan Hubicka  <jh@suse.cz>
11901         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
11902         * ipa.c (function_and_variable_visibility): Fix return type.
11904 2007-01-08  Richard Guenther  <rguenther@suse.de>
11906         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
11907         of offset to build the index.
11908         * tree-pretty-print.c (dump_generic_node): Don't build negated
11909         const just for printing.
11910         * c-pretty-print.c (pp_c_integer_constant): Likewise.
11911         * builtins.c (fold_builtin_int_roundingfn): Check if result
11912         fits the type by using force_fit_type and comparing the result.
11913         * predict.c (predict_loops): Use compare_tree_int for comparison.
11914         * tree.c (build_int_cst): Fall back to integer_type_node for
11915         NULL_TREE type.
11916         (build_int_cst_wide): Assert type is non-null.
11918 2007-01-08  Roberto Costa  <roberto.costa@st.com>
11920         * tree-vrp.c (extract_range_from_cond_expr): New.
11921         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
11922         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
11923         as expressions.
11924         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
11925         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
11926         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
11927         used as expressions.
11928         * tree-object-size.c (cond_expr_object_size): New.
11929         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
11931 2007-01-08  Jan Hubicka  <jh@suse.cz>
11933         * tree-ssa-forwprop.c (forward_propagate_into_cond,
11934         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
11935         statement.
11937 2007-01-08  Richard Guenther  <rguenther@suse.de>
11939         PR tree-optimization/23603
11940         * tree-vrp.c (set_value_range_to_truthvalue): New function.
11941         (extract_range_from_binary): Fall back to truthvalue instead of
11942         varying for TRUTH_*_EXPR.
11943         (extract_range_from_comparison): Fall back to truthvalue instead of
11944         varying.
11945         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
11946         if all visited PHI values were constant.
11948 2007-01-08  Jan Hubicka  <jh@suse.cz>
11950         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
11951         (cgraph_analyze_function): break out from ...
11952         (cgraph_finalize_compilation_unit): ... here.
11953         (cgraph_expand_function): Remove forgoten commented out line.
11954         (cgraph_optimize): Analyze functions.
11956 2007-01-08  Jan Hubicka  <jh@suse.cz>
11958         * tree-pas.h (TODO_remove_function): New flag.
11959         (TODO_update*): Renumber.
11960         (pass_ipa_increase_alignment,
11961         pass_ipa_function_and_variable_visibility): New passes.
11962         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
11963         (cgraph_function_and_variable_visibility): Move to ipa.c
11964         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
11965         cgraph_increase_alignment.
11966         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
11967         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
11968         calling tree-inline.
11969         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
11970         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
11971         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
11972         (gate_increase_alignment): New function.
11973         (pass_ipa_increase_alignment): New pass.
11974         * ipa.c: Inline tree-pass.h and timevar.h
11975         (function_and_variable_visibility): Move here from cgraphunit.c
11976         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
11977         * passes.c (init_optimization_passes): Add the two new passes.
11978         (execute_todo): Handle cgraph_remove_functions.
11980 2007-01-08  Nick Clifton  <nickc@redhat.com>
11982         * config/frv/predicates.md (reg_or_0_operand): Accept
11983         CONST_DOUBLEs.
11985 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
11987         * config/bfin/rtems.h, config/bfin/t-rtems: New.
11988         * config.gcc: Add bfin*-rtems*.
11990 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
11992         * c.opt: Add -flax-vector-conversions.
11993         * c-typeck.c (convert_for_assignment): Pass flag to
11994         vector_types_convertible_p to allow emission of note.
11995         (digest_init): Likewise.
11996         * c-opts.c: Handle -flax-vector-conversions.
11997         * c-common.c (flag_lax_vector_conversions): New.
11998         (vector_types_convertible_p): Unless -flax-vector conversions
11999         has been passed, disallow conversions between vectors with
12000         differing numbers of subparts and/or element types.  If such
12001         a conversion is disallowed, possibly emit a note on the first
12002         occasion only to inform the user of -flax-vector-conversions.
12003         The new last argument specifies this.
12004         * c-common.h (flag_lax_vector_conversions): New.
12005         (vector_types_convertible_p): Add extra argument.
12006         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
12007         char_type_node for V*QI type vectors.
12008         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
12009         Update to satisfy new typechecking rules.
12010         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
12011         C and C++ variants.
12012         * doc/invoke.texi (C Dialect Options): Document
12013         -flax-vector-conversions.
12015 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
12017         PR tree-optimization/29877
12018         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
12019         a register variable on the RHS to not be replaceable.
12021 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
12022         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
12023         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
12024         const_simm15, const_pow2, const_npow2): Added.
12025         * config/score/misc.md (insv, extv, extzv, movmemsi,
12026         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
12027         * config/score/score.c (score_address_cost, score_select_cc_mode):
12028         Added.
12029         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
12030         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
12031         Update score_print_operand.
12032         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
12033         Adjust register allocate order and update some macro define.
12034         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
12035         mdx_block_move_straight, mdx_block_move_loop_head,
12036         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
12037         mdx_block_move): Added.
12038         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
12039         mdp_limm): Updated and fix some bug and typo.
12040         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
12041         (movsf, movdf, doloop_end): Added.
12043 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
12045         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
12046         config/arm/thumb2.md: Fix comment typos.
12047         * doc/extend.texi: Fix a typo.
12049 2007-01-07  Eric Christopher  <echristo@apple.com>
12051         * configure.ac: Check for __stack_chk_fail for darwin.
12052         * configure: Regenerate.
12054 2007-01-07  Richard Guenther  <rguenther@suse.de>
12056         * tree-vrp.c (extract_range_from_assert): CSE calls to
12057         compare_values where possible.
12058         (extract_range_from_unary_expr): Likewise.
12060 2007-01-07  Anatoly Sokolov <aesok@post.ru>
12062         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
12063         * config/avr/avr.c (call_insn_operand): Delete function.
12064         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
12065         instead of register number. Use predicates.
12066         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
12067         call_insn_operand): Add.
12069 2007-01-06  Jan Hubicka  <jh@suse.cz>
12071         * tree-pass.h (pass_build_cgraph_edges): Declare.
12072         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
12073         (visited_nodes): Remove.
12074         (cgraph_create_edges): Move to cgraphbuild.c; rename to
12075         build_cgrpah_edges; make visited_nodes local.
12076         (cgraph_process_new_functions): DO not call initialize_inline_failed.
12077         (record_references_in_initializer): Move to cgraphbuild.c
12078         (initialize_inline_failed, rebuild_cgraph_edges,
12079         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
12080         (verify_cgraph_node): Make visited_nodes local.
12081         (cgraph_analyze_function): Do not call cgraph_create_edges and
12082         initialize_inline_failed.
12083         (cgraph_expand_function): Do not call cgraph_lower_function;
12084         assert that function is already lowered.
12085         * Makefile.in (cgraphbuild.o): New.
12086         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
12087         at the end of lowering passes.
12089 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
12091         * ifcvt.c (cond_move_convert_if_block): New function, code
12092         factored out from...
12093         (cond_move_process_if_block): ...here.  Call the new function
12094         on the THEN and ELSE blocks.
12095         (merge_if_block): Do not copy global_live_at_end, merge_blocks
12096         already takes care of this.
12098 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12100         PR c/19978
12101         * tree.h (TREE_OVERFLOW_P): New.
12102         * c-typeck.c (parser_build_unary_op): Warn only if result
12103         overflowed and operands did not.
12104         (parser_build_binary_op): Likewise.
12105         (convert_for_assignment): Remove redundant overflow_warning.
12106         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
12108 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12110         * c-typeck.c (store_init_value): Split over two lines to follow
12111         the GNU coding style.
12113 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
12115         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
12116         __GXX_EXPERIMENTAL_CXX0X__.
12117         * doc/cpp.texi: Same.
12119 2007-01-05  Richard Guenther  <rguenther@suse.de>
12121         PR middle-end/27826
12122         * tree.c (get_narrower): Do not construct COMPONENT_REFs
12123         with mismatched types.  Instead explicitly build a
12124         conversion NOP_EXPR.
12126 2007-01-05  Ian Lance Taylor  <iant@google.com>
12128         * c-common.c (decl_with_nonnull_addr_p): New function.
12129         (c_common_truthvalue_conversion): Call it.
12130         * c-typeck.c (build_binary_op): Likewise.
12131         * c-common.h (decl_with_nonnull_addr_p): Declare.
12133 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
12135         PR c/30360
12136         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
12137         denom against 0.0.
12139 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
12141         * doc/install.texi (Final install): Document the fact that
12142         the GNAT runtime should not be stripped.
12144 2007-01-04  Jan Hubicka  <jh@suse.cz>
12146         * tree-inline.c (fold_marked_statements): Update operand caches
12147         and EH after folding
12149 2007-01-04  Ian Lance Taylor  <iant@google.com>
12151         * c-common.c (check_function_nonnull): Whitespace fix.
12153 2007-01-04  Jan Hubicka  <jh@suse.cz>
12155         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
12156         comitted older version of patch.
12157         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
12158         function, celanup cfg and collect garbage.
12160 2007-01-04  Mike Stump  <mrs@apple.com>
12162         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
12163         (clean): Likewise.
12165 2007-01-04  Eric Christopher  <echristo@apple.com>
12167         * libgcc2.c (__bswapsi2): Use SItype.
12168         (__bswapdi2): Use DItype.
12169         * libgcc2.h: Update for above.
12171 2007-01-04  Paul Brook  <paul@codesourcery.com>
12173         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
12174         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
12175         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
12176         umulsidi3, umulsidi3adddi, smulsi3_highpart,
12177         umulsi3_highpart): Make conditional on !arm_arch6.
12178         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
12179         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
12180         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
12181         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
12182         umulsi3_highpart_v6): New insns.
12184 2007-01-04  Roger Sayle  <roger@eyesopen.com>
12186         * fold-const.c (fold_convert): When casting an expression to void,
12187         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
12188         have a type.  Instead of attempting to build a NOP_EXPR, return
12189         these "special" trees directly.
12191 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
12193         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
12194         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
12195         rs6000_cost->fp not 0 as adjustment for outer NEG.
12197 2007-01-04  Jan Hubicka  <jh@suse.cz>
12199         * cgraph.c (cgraph_release_function_body): New function.
12200         (cgraph_remove_node): Use it.
12201         * cgraph.h (cgraph_release_function_body): Declare.
12202         * cgraphunit.c (cgraph_expand_function): Use it.
12203         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
12204         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
12205         is initialized and while compilation of other function is running.
12206         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
12207         statement CFG annotations from here to ...
12208         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
12210 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
12212         * cfgloop.h (enum li_flags): Make the constants powers of two.
12214 2007-01-04  Jan Hubicka  <jh@suse.cz>
12216         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
12217         set.
12218         (fold_marked_statements): New function.
12219         (optimize_inline_calls, tree_function_versioning): Fold new statements.
12220         * tree-inline.h (copy_body_data): Add statements_to_fold.
12222 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
12224         * config.gcc: Mention libgcc/config.host.
12225         * Makefile.in: Update comments mentioning libgcc.
12226         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
12227         (all.cross, start.encap, rest.encap, rest.cross): Update
12228         dependencies for libgcc move.
12229         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
12230         (clean-target, clean-target-libgcc): Delete.
12231         (srcdirify, GCC_EXTRA_PARTS): New macros.
12232         (libgcc-support, libgcc.mvars): New rules.
12233         (distclean): Remove mention of mklibgcc.
12234         (install): Don't reference INSTALL_LIBGCC.
12235         (install-common): Don't reference EXTRA_PARTS.
12236         (install-libgcc, install-multilib): Delete rules.
12237         * mklibgcc.in: Delete file.
12238         * doc/configfiles.texi: Don't mention mklibgcc.
12240         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
12241         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
12242         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
12243         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
12244         (mklibgcc, ldblspecs): Likewise.
12246         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
12247         (posixpre.def): Use $(T).
12248         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
12249         (SHLIB_SRC, SHLIB_INSTALL): Delete.
12250         (SHLIB_LINK): Make dummy.
12251         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
12253         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
12255         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
12256         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
12257         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
12258         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
12260         * configure.ac (all_outputs): Remove mklibgcc.
12261         * configure: Regenerated.
12263 2007-01-03  Josh Conner  <jconner@apple.com>
12265         PR middle-end/29683
12266         * calls.c (compute_argument_addresses): Set stack and stack_slot
12267         for partial args, too.
12268         (store_one_arg): Use locate.size.constant for the size when
12269         generating a save_area.
12271 2007-01-03  Robert Kennedy <jimbob@google.com>
12273         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
12274         whose definitions are deleted due to basic block merging.
12276 2007-01-03  Paul Brook  <paul@codesourcery.com>
12278         PR target/16634
12279         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
12280         functions.
12281         (use_return_insn): Return 0 for Thumb interrupt functions.
12282         (print_multi_reg): Add rfe argument for IRQ returns.
12283         (arm_output_epilogue): Pop interrupt return address directly into PC.
12284         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
12286 2007-01-03  Paul Brook  <paul@codesourcery.com>
12288         Merge from sourcerygxx-4_1.
12289         * config/arm/thumb2.md: New file.
12290         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
12291         Thumb-2.
12292         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
12293         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
12294         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
12295         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
12296         tables.
12297         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
12298         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
12299         comptibility.
12300         * config/arm/ieee754-sf.S: Ditto.
12301         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
12302         (thumb1_base_register_rtx_p): ... to this.
12303         (thumb_index_register_rtx_p): Rename...
12304         (thumb1_index_register_rtx_p): ... to this.
12305         (thumb_output_function_prologue): Rename...
12306         (thumb1_output_function_prologue): ... to this.
12307         (thumb_legitimate_address_p): Rename...
12308         (thumb1_legitimate_address_p): ... to this.
12309         (thumb_rtx_costs): Rename...
12310         (thumb1_rtx_costs): ... to this.
12311         (thumb_compute_save_reg_mask): Rename...
12312         (thumb1_compute_save_reg_mask): ... to this.
12313         (thumb_final_prescan_insn): Rename...
12314         (thumb1_final_prescan_insn): ... to this.
12315         (thumb_expand_epilogue): Rename...
12316         (thumb1_expand_epilogue): ... to this.
12317         (arm_unwind_emit_stm): Rename...
12318         (arm_unwind_emit_sequence): ... to this.
12319         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
12320         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
12321         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
12322         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
12323         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
12324         thumb2_output_casesi): New functions.
12325         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
12326         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
12327         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
12328         THUMB2_WORK_REGS): Define.
12329         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
12330         arm_condexec_mask, arm_condexec_masklen)): New variables.
12331         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
12332         (arm_override_options): Check new CPU capabilities.
12333         Set new architecture flag variables.
12334         (arm_isr_value): Handle v7m interrupt functions.
12335         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
12336         Thumb-2.
12337         (const_ok_for_arm): Handle Thumb-2 constants.
12338         (arm_gen_constant): Ditto.  Use movw when available.
12339         (arm_function_ok_for_sibcall): Return false for v7m interrupt
12340         functions.
12341         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
12342         (thumb_find_work_register, arm_load_pic_register,
12343         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
12344         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
12345         print_multi_reg, output_mov_long_double_fpa_from_arm,
12346         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
12347         output_mov_double_fpa_from_arm, output_move_double,
12348         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
12349         output_return_instruction, arm_output_function_prologue,
12350         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
12351         arm_output_mi_thunk, thumb_set_return_address): Ditto.
12352         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
12353         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
12354         (arithmetic_instr, shift_op): Use arm_shift_nmem.
12355         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
12356         '!' and 'L'.
12357         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
12358         (thumb_expand_prologue): Use thumb_set_frame_pointer.
12359         (arm_file_start): Output directive for unified syntax.
12360         (arm_unwind_emit_set): Handle stack alignment instruction.
12361         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
12362         Add v6t2, v7, v7a, v7r and v7m.
12363         (RETLDM): Add Thumb-2 code.
12364         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
12365         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
12366         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
12367         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
12368         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
12369         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
12370         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
12371         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
12372         ADJUST_INSN_LENGTH): Define.
12373         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
12374         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
12375         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
12376         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
12377         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
12378         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
12379         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
12380         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
12381         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
12382         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
12383         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
12384         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
12385         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
12386         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
12387         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
12388         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
12389         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
12390         cortex-m3.
12391         * config/arm/arm-tune.md: Regenerate.
12392         * config/arm/arm-protos.h: Update prototypes.
12393         * config/arm/vfp.md: Enable patterns for Thumb-2.
12394         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
12395         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
12396         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
12397         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
12398         * config/arm/libunwind.S: Add Thumb-2 code.
12399         * config/arm/constraints.md: Update include Thumb-2.
12400         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
12401         * config/arm/ieee754-df.S: Ditto.
12402         * config/arm/bpabi.S: Ditto.
12403         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
12404         * config/arm/predicates.md (low_register_operand,
12405         low_reg_or_int_operand, thumb_16bit_operator): New.
12406         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
12407         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
12408         * config/arm/t-arm-elf: Add armv7 multilib.
12409         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
12410         Include thumb2.md.
12411         (UNSPEC_STACK_ALIGN, ce_count): New.
12412         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
12413         arm_zero_extendsidi2, arm_zero_extendqidi2): New
12414         insns/expanders.
12415         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
12416         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
12417         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
12418         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
12419         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
12420         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
12421         insns.
12422         * doc/extend.texi: Document ARMv7-M interrupt functions.
12423         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
12425 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
12427         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
12428         (struct _Unwind_Context): Rename args_size to flags, remove
12429         signal_frame field, add a new args_size field and version field.
12430         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
12431         _Unwind_IsExtendedContext): New inline functions.
12432         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12433         Assume by_value array is only present if _Unwind_IsExtendedContext.
12434         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
12435         _Unwind_IsSignalFrame.
12436         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
12437         (uw_update_context_1): Use _Unwind_SetSignalFrame.
12438         (uw_init_context_1): Initialize context->flags to
12439         EXTENDED_CONTEXT_BIT.
12440         * config/rs6000/linux-unwind.h (frob_update_context): Use
12441         _Unwind_SetSignalFrame.
12443 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12445         PR middle-end/30353
12446         * gimplify.c (gimplify_modify_expr_complex_part): Move below
12447         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
12448         the value.
12450 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
12452         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
12453         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
12454         RET, AT_SP): Remove.
12455         * config/i386/i386.md (*sse_prologue_save_insn): Use return
12456         instead of RET.
12458         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12459         * cfgbuild.c (find_basic_blocks): Likewise.
12460         * cfgrtl.c (rtl_create_basic_block): Likewise.
12461         * function.c (temp_slots_at_level): Likewise.
12462         * reg-stack.c (stack_regs_mentioned): Likewise.
12463         * regclass.c (allocate_reg_info): Likewise.
12464         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12465         set_bb_for_stmt, move_block_to_fn): Likewise.
12466         * tree-complex.c (tree_lower_complex): Likewise.
12467         * vec.h (VEC_safe_grow_cleared): New.
12469         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
12471 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
12473         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
12474         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
12475         to loop_version.
12476         * cfgloopmanip.c (scale_loop_frequencies): Export.
12477         (loopify): Scale the frequencies by prescribed coefficients.
12478         (set_zero_probability): New function.
12479         (duplicate_loop_to_header_edge): Improve updating of frequencies.
12480         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
12481         and frequencies according to arguments.
12482         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
12483         correctly.
12484         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
12485         * modulo-sched.c (sms_schedule): Set probabilities for entering
12486         versioned loop correctly.
12487         * tree-vect-transform.c (vect_transform_loop): Ditto.
12488         * cfgloop.h (loopify, loop_version): Declaration changed.
12489         (scale_loop_frequencies): Declared.
12491 2007-01-02  Jan Hubicka  <jh@suse.cz>
12493         * cgraph.c: Include tree-flow.h
12494         (cgraph_add_new-function): Handle IPA_SSA mode; execute
12495         early_local_passes.
12496         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
12497         * tree-pass.h (pass_all_early_optimizations): Declare.
12498         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
12499         early_local_passes.
12500         (cgraph_analyze_function): Do early_local_passes.
12501         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
12502         Do not add referenced vars.
12503         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
12504         SSA form.
12505         (gate_all_early_local_passes): New gate.
12506         (pass_early_local_passes): Use new gate.
12507         (execute_early_local_optimizations): New functions.
12508         (gate_all_early_optimizations): New gate.
12509         (pass_all_early_optimizations): New pass.
12510         (execute_free_datastructures): Free SSA only when initialized.
12511         (gate_init_datastructures): Init only when optimizing.
12512         (tree_lowering_passes): Do early local passes when called late.
12513         * tree-profile.c (do_tree_profiling): Don't profile functions added
12514         late.
12515         (do_early_tree_profiling, pass_early_tree_profile): Kill.
12516         * tree-cfg.c (update_modified_stmts): Do not update when operands are
12517         not active.
12518         * passes.c (init_optimizations_passes): Reorder so we go into SSA
12519         during early_local_passes.
12520         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
12523 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
12525         * Makefile.in: Update copyright year.
12527 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
12529         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
12530         in $(lang_checks) and check-consistency targets.
12532 2007-01-02  Jan Hubicka  <jh@suse.cz>
12534         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
12535         Do not add referenced vars.
12536         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
12537         are not active.
12538         * passes.c (init_optimization_passes): Put mudflap_2 after
12539         free_datastructures.
12541 2007-01-02  Jan Hubicka  <jh@suse.cz>
12543         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
12544         Set NOTHROW flag on call statements proved to be nothrow.
12545         Update statement of local calls so new pure/const functions are
12546         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
12547         goto receivers.
12548         (tree_rest_of_compilation): Register hooks and initialize bitmap
12549         early. Do not set after_inlining flag.
12551 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
12553         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
12554         HOST_BITS_PER_LONGLONG
12556 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12558         PR c/19977
12559         * c-typeck.c (store_init_value): Don't emit pedantic overflow
12560         warning for non-static initializers.
12562 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
12564         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
12565         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
12566         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
12567         Always use set_unique_reg_note to add REG_EQUAL notes.
12569 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12571         Revert:
12572         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12574         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12575         * cfgbuild.c (find_basic_blocks): Likewise.
12576         * cfgrtl.c (rtl_create_basic_block): Likewise.
12577         * function.c (temp_slots_at_level): Likewise.
12578         * reg-stack.c (stack_regs_mentioned): Likewise.
12579         * regclass.c (allocate_reg_info): Likewise.
12580         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12581         set_bb_for_stmt, move_block_to_fn): Likewise.
12582         * tree-complex.c (tree_lower_complex): Likewise.
12583         * vec.h (VEC_safe_grow_cleared): New.
12585 2007-01-02  Ian Lance Taylor  <iant@google.com>
12587         * c-common.c (c_common_truthvalue_conversion): When warning about
12588         using an assignment as a truth value, set TREE_NO_WARNING.
12590 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12592         PR middle-end/7651
12593         * c.opt (Wold-style-declaration): New.
12594         * doc/invoke.texi (C-only Warning Options): New.
12595         (Wold-style-declaration): Document it.
12596         (Wextra): Enabled by -Wextra.
12597         * c-opts.c (c_common_post_options): Enabled by -Wextra.
12598         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
12599         -Wold-style-declaration.
12601 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12603         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12604         * cfgbuild.c (find_basic_blocks): Likewise.
12605         * cfgrtl.c (rtl_create_basic_block): Likewise.
12606         * function.c (temp_slots_at_level): Likewise.
12607         * reg-stack.c (stack_regs_mentioned): Likewise.
12608         * regclass.c (allocate_reg_info): Likewise.
12609         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12610         set_bb_for_stmt, move_block_to_fn): Likewise.
12611         * tree-complex.c (tree_lower_complex): Likewise.
12612         * vec.h (VEC_safe_grow_cleared): New.
12614 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
12616         * c-common.c (c_common_nodes_and_builtins): Since variants of
12617         void_type_node get built before it is given a name, we need to
12618         give those variants the name, too.
12619         (complete_array_type): We need to work with the canonical main
12620         type of the array, from which we will build the qualified version.
12621         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
12622         * print-tree.c (print_node): Display canonical type information
12623         for each type.
12624         * stor-layout.c (layout_type): When we don't know the
12625         alignment of a type for which we're building an array, we end up
12626         guessing wrong, so make the type require structural equality.
12627         * tree.c (make_node_stat): When we build a new type, it is its
12628         own canonical type.
12629         (build_type_attribute_qual_variant): When building an attribute
12630         variant, its canonical type is the non-attribute variant. However,
12631         if the attributes are target-dependent and they differ, we need to
12632         use structural equality checks for this type.
12633         (build_qualified_type): A qualified type is not equivalent to its
12634         unqualified variant; set the canonical type appropriately.
12635         (build_distinct_type_copy): When building a distinct type from
12636         another type, the new type is its own canonical type.
12637         (build_variant_type_copy): When building a new type variant, we
12638         assume that it is equivalent to the original type.
12639         (build_pointer_type_for_mode): When building a pointer type, also
12640         build a canonical type pointer.
12641         (build_reference_type_for_mode): When building a reference type,
12642         also build a canonical type reference.
12643         (build_index_type): When we can't hash an index type (e.g.,
12644         because its maximum value is negative), the index type requires
12645         structural equality tests.
12646         (build_array_type): Build the canonical form of an array type.
12647         (build_function_type): Function types require structural equality,
12648         because they contain default arguments, attributes, etc.
12649         (build_method_type_directly): Ditto for method types.
12650         (build_offset_type): Build the canonical offset type.
12651         (build_complex_type): Build the canonical vector type.
12652         (make_vector_type): Build the canonical vector type.
12653         * tree.h (TYPE_CANONICAL): New.
12654         (TYPE_STRUCTURAL_EQUALITY_P): New.
12655         (SET_TYPE_STRUCTURAL_EQUALITY): New.
12656         (struct tree_type): Added "canonical" field.
12657         * params.h (VERIFY_CANONICAL_TYPES): New.
12658         * doc/c-tree.texi (TYPE_CANONICAL): Document.
12659         (TYPE_STRUCTURAL_EQUALITY_P): Document.
12660         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
12661         * doc/invoke.texi (verify-canonical-types): Document --param
12662         parameter for verifying canonical types.
12664 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12666         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
12667         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
12668         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
12669         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
12670         tm_file.
12671         * config/rs6000/e500.h: New.
12672         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
12673         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
12674         Remove.
12675         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
12676         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
12677         TARGET_E500_DOUBLE): Remove.
12678         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
12679         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
12680         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
12681         * config/rs6000/rs6000.c (rs6000_override_options): Use
12682         CHECK_E500_OPTIONS.
12684 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12686         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
12687         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
12688         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
12689         rs6000_emit_cmove): Don't check TARGET_E500.
12690         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
12691         sordered): Don't check TARGET_E500.
12693 2007-01-01  Eric Christopher  <echristo@apple.com>
12695         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
12696         HARD_REGISTER_NUM_P.
12698 2007-01-01  Roger Sayle  <roger@eyesopen.com>
12700         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
12701         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
12702         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
12703         eq/ne Y".
12705 2007-01-01  Mike Stump  <mrs@apple.com>
12707         * configure.ac: Remove support for building with Apple's gcc-3.1.
12709 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12711         PR middle-end/30311
12712         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
12713         REG is a hard register.  Do not modify REG before calling
12714         subreg_nregs.
12715         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
12716         multiple of the size of YMODE for certain lowpart cases.
12718 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12720         PR middle-end/30253
12721         * gimplify (voidify_wrapper_expr): Update for
12722         GIMPLE_MODIFY_STMT.
12724 2007-01-01  Andreas Schwab  <schwab@suse.de>
12726         PR target/29166
12727         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
12728         save of BR0 in extra_spill_size instead of spill_size.
12729         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
12730         area.
12731         (ia64_expand_epilogue): Restore BR0 from its new location.
12733 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12735         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
12736         Use a temporary variable if the left hand side is not a gimple
12737         register.
12739 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12741         * gimplify.c (gimplify_return_expr): Make the temporary variable
12742         for the return expression, a gimple register variable.
12744 2007-01-01  Jan Hubicka  <jh@suse.cz>
12746         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
12747         INSN_LIST.
12749 2007-01-01  Mike Stump  <mrs@apple.com>
12751         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
12752         .literal16.
12753         * config/darwin.c (machopic_select_rtx_section): Use
12754         HAVE_GAS_LITERAL16.
12755         (darwin_mergeable_constant_section): Likewise.
12756         * configure: Regenerate.
12757         * config.in: Regenerate.
12759 2007-01-01  Jan Hubicka  <jh@suse.cz>
12760             Andrew Pinski  <pinskia@gmail.com>
12762         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
12763         before starting IPA passes.