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* semantics.c (expand_or_defer_fn): Do not call c_record_cdtor_fn.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-05-11  Jan Hubicka  <jh@suse.cz>
2
3         * cgraphunit.c: Include gt-cgraphunit.h
4         (static_ctors, static_dtors): New static vars.
5         (record_cdtor_fn, build_cdtor, cgraph_build_cdtor_fns): New functions,
6         based on implementation in c-common.c
7         (cgraph_finalize_function): Call record_cdtor_fn.
8         (cgraph_optimize): Call cgraph_build_cdtor_fns.
9         * decl.c (finish_function): Do not call c_record_cdtor_fn.
10         (c_write_global_declarations): Do not call c_build_cdtor_fns.
11         * c-common.c (static_ctors, static_dtors, c_record_cdtor_fn,
12         build_cdtor, c_build_cdtor_fns): Remove.
13         * c-common.h (static_ctors, static_dtors, c_record_cdtor_fn,
14         c_build_cdtor_fns): Remove prototype.
15
16 2007-05-11  Paolo Carlini  <pcarlini@suse.de>
17
18         PR other/31852
19         * builtin-types.def: Add BT_FN_PTR_CONST_PTR_INT_SIZE.
20         * builtins.def: Add BUILT_IN_MEMCHR, use the latter.
21         * builtins.c (fold_builtin_memchr): New.
22         (expand_builtin_memchr): Call the latter.
23         (expand_builtin, fold_builtin_3): Deal with BUILT_IN_MEMCHR.
24         * doc/extend.texi ([Other built-in functions provided by GCC]):
25         Document memchr.
26
27 2007-05-11  Andreas Krebbel  <krebbel1@de.ibm.com>
28
29         * config/s390/s390.md (GPR0_REGNUM, FPR0_REGNUM, FPR2_REGNUM,
30         PFPO_CONVERT, PFPO_OP_TYPE_SF, PFPO_OP_TYPE_DF, PFPO_OP_TYPE_TF,
31         PFPO_OP_TYPE_SD, PFPO_OP_TYPE_DD, PFPO_OP_TYPE_TD, PFPO_OP0_TYPE_SHIFT,
32         PFPO_OP1_TYPE_SHIFT): Constants added.
33         (DFP_ALL): Mode macro defined.
34         ("*trunc<BFP:mode><DFP_ALL:mode>2", "*trunc<DFP_ALL:mode><BFP:mode>2",
35         "*extend<BFP:mode><DFP_ALL:mode>2", "*extend<DFP_ALL:mode><BFP:mode>2"):
36         Insn definitions added.
37         ("trunc<BFP:mode><DFP_ALL:mode>2", "trunc<DFP_ALL:mode><BFP:mode>2",
38         "extend<BFP:mode><DFP_ALL:mode>2", "extend<DFP_ALL:mode><BFP:mode>2"):
39         Expanders added.
40
41 2007-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
42
43         PR tree-optimization/31885
44         * tree-chrec.c (chrec_contains_undetermined): Do not consider NULL_TREE
45         to be undetermined.
46         (automatically_generated_chrec_p): Return false for NULL.
47
48 2007-05-08  Bernd Schmidt  <bernd.schmidt@analog.com>
49
50         * config/bfin/bfin.h (MOVE_RATIO): Define.
51
52 2007-05-10  Richard Sandiford  <richard@codesourcery.com>
53
54         * config.gcc (sparc-wrs-vxworks): New target.
55         * config/sparc/vxworks.h, config/sparc/t-vxworks: New files.
56         * config/sparc/sparc-protos.h (sparc_emit_call_insn): Declare.
57         * config/sparc/sparc.h: Include vxworks-dummy.h.
58         (PRINT_OPERAND_ADDRESS): Extend SYMBOL_REF handling to
59         include LABEL_REFs too.
60         * config/sparc/sparc.c (sparc_expand_move): Don't assume that
61         _GLOBAL_OFFSET_TABLE_ - label_ref is a link-time constant on
62         VxWorks.
63         (legitimize_pic_address): Handle LABEL_REFs like SYMBOL_REFs
64         on VxWorks.
65         (load_pic_register): Use gen_vxworks_load_got for VxWorks.
66         (sparc_emit_call_insn): New function.
67         (sparc_function_ok_for_sibcall): Restrict sibcalls to locally-binding
68         functions when generating VxWorks PIC.
69         * config/sparc/sparc.md (vxworks_load_got): New pattern.
70         (call, call_value): Use sparc_emit_call_insn instead of
71         emit_call_insn.
72
73 2007-05-09  Bob Wilson  <bob.wilson@acm.org>
74         
75         * config/xtensa/xtensa.c (xtensa_output_literal): Don't use #if.
76         
77 2007-05-09  Bob Wilson  <bob.wilson@acm.org>
78
79         * config/xtensa/xtensa.c (xtensa_output_literal): Mask out high bits
80         for floating-point values if HOST_BITS_PER_LONG > 32.  Use split_double
81         instead of operand_subword.
82
83 2007-05-08  Bernd Schmidt  <bernd.schmidt@analog.com>
84
85         * config/bfin/bfin.h (LOCAL_ALIGNMENT): Define.
86         * config/bfin/bfin.c (bfin_local_alignment): New function.
87         * config/bfin/bfin-protos.h (bfin_local_alignment): Declare it.
88
89 2007-05-08  Chao-ying Fu  <fu@mips.com>
90
91         * doc/md.texi (msub@var{m}@var{n}4, usub@var{m}@var{n}4): Document.
92         * optabs.h (OTI_smsub_widen, OTI_umsub_widen): New optab_indexes.
93         (smsub_widen_optab, umsub_widen_optab): Define.
94         * optabs.c (init_optabs): Initialize smsub_widen_optab and
95         umsub_widen_optab.
96         * genopinit.c (optabs): Fill in smsub_widen_optab and
97         umsub_widen_optab.
98         * expr.c (expand_expr_real_1): Try to use smsub_widen_optab
99         and umsub_widen_optab to implement multiply-subtract sequences.
100         * config/mips/mips.md (*msac<u>_di): Rename to...
101         (<u>msubsidi4): ...this.  Extend condition to include
102         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
103         of operand 0 to "ka" and use the three-operand form of msub<u>
104         for TARGET_DSPR2.
105         * config/mips/mips-dspr2.md (mips_msub, mips_msubu): Convert
106         to define_expands.
107
108 2007-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
109
110         PR rtl-optimization/28011
111         * reload.c (push_reload): Set dont_share if IN appears in OUT
112         also when IN is a PLUS rtx.
113         (reg_overlap_mentioned_for_reload_p): Return true if X and IN
114         are same PLUS rtx.
115
116 2007-05-08  Kazu Hirata  <kazu@codesourcery.com>
117
118         * emit-rtl.c (unshare_all_rtl_1): Don't copy DECL_RTL.  Don't
119         call unshare_all_decls.
120         (unshare_all_rtl): Adjust the call to unshare_all_rtl_1.
121         (unshare_all_decls): Remove.
122
123 2007-05-08  Simon Martin  <simartin@users.sourceforge.net>
124
125         PR 31847
126         * tree-dump.c (dump_options): Don't use TDF_DIAGNOSTIC in "*-all" tree
127         dumps.
128
129 2007-05-08  Sandra Loosemore  <sandra@codesourcery.com>
130             Nigel Stephens  <nigel@mips.com>
131
132         * config/mips/mips.h (MAX_FPRS_PER_FMT): Renamed from FP_INC.
133         Update comments and all uses.
134         (MIN_FPRS_PER_FMT): Define.
135         * config/mips/mips.c (function_arg): Fix to correctly handle
136         the -mips32r2 -mfp64 -mabi=32 case.
137         (override_options): Enable use of odd-numbered registers for
138         SFmode values on MIPS32.
139         (mips_save_reg_p): Save whole floating-point register pair if
140         either half is used.
141         (compute_frame_size): Fix comment.
142
143 2007-05-08  Jie Zhang  <jie.zhang@analog.com>
144
145         * config/bfin/bfin-protos.h (bfin_expand_epilogue): Add a third
146         argument of type bool.
147         * config/bfin/bfin.c (add_to_reg): Add epilogue_p as a fourth
148         argument. Safely select temporary P register according to it.
149         (do_link): Change call site of add_to_reg accordingly.
150         (do_unlink): Add epilogue_p as a fourth argument and pass it
151         to add_to_reg.
152         (expand_interrupt_handler_epilogue): Change call of do_unlink
153         accordingly.
154         (bfin_expand_prologue): Add a third argument sibcall_p.
155         * config/bfin/bfin.md (epilogue): Change call of
156         bfin_expand_epilogue accordingly.
157         (sibcall_epilogue): Likewise.
158         (eh_return_internal): Likewise.
159                 
160         * config/bfin/bfin-protos.h (enum bfin_cpu): Add
161         BFIN_CPU_BF534, BFIN_CPU_BF536 and BFIN_CPU_BF561.
162         * config/bfin/bfin.c (bfin_handle_option): Handle
163         -mcpu=bf534, -mcpu=bf536 and -mcpu=bf561.
164         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS):
165         Support bf534, bf536 and bf561.
166         * doc/invoke.texi (Blackfin Options): Document -mcpu and -msim.
167
168 2007-05-08  Uros Bizjak  <ubizjak@gmail.com>
169
170         PR target/31854
171         * config/i386/i386.c (ix86_function_regparm): Process local
172         functions only when TREE_CODE (decl) equals FUNCTION_DECL.
173         
174 2007-05-07  Mike Stump  <mrs@apple.com>
175
176         * doc/invoke.texi (Warning Options): Document that -Wempty-body
177         also checks for and while statements in C++.
178
179 2007-05-07  Nathan Froyd  <froydnj@codesourcery.com>
180
181         * gcc.c (at_file_supplied): New variable.
182         (main): Set it if we expanded argv.
183         (do_spec_1): Pass an @-file to the linker if we were called with
184         an @-file argument and HAVE_GNU_LD.
185         * collect2.c (at_file_supplied): New variable.
186         (response_file): New variable.
187         (collect_exit): Unlink response_file if necessary.
188         (handler): Likewise.
189         (do_wait): Likewise.
190         (main): Set at_file_supplied if we expanded argv.
191         (collect_execute): Pass an @-file to subprocesses if we were called
192         with an @-file argument.
193         * configure.ac: Add define for HAVE_GNU_LD.
194         * configure: Regenerate.
195         * config.in: Regenerate.
196
197 2007-05-07   Naveen.H.S  <naveen.hs@kpitcummins.com>
198
199         * config/m32c/muldiv.md (mulhisi3_c): Limit the mode of the 2nd
200         operand to HI mode.
201         (mulsi3): New.
202         (divsi3): New.
203         (udivsi3): New.
204
205 2007-05-07  Jayant Sonar  <jayants@kpitcummins.com>
206
207         * config/m32c/m32c.c (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
208         (TARGET_ENCODE_SECTION_INFO): Re-define.
209         (m32c_encode_section_info): New
210         (function_vector_handler): New
211         (current_function_special_page_vector): New
212         (m32c_special_page_vector_p): New.
213         * config/m32c/m32c-protos.h (m32c_special_page_vector_p): 
214         Prototype.
215         * config/m32c/jump.md: Added instruction JSRS for functions 
216         with attribute "function_vector".
217         * doc/extend.texi (function_vector): Added description 
218         for M16C, M32C targets.
219
220 2007-05-07  DJ Delorie  <dj@redhat.com>
221
222         PR 31794
223         * config/m32c/shift.md (ashlpsi3_i, ashrpsi3_i, ashlpsi3,
224         ashrpsi3, lshrpsi3): Update shift count constraint.
225
226 2007-05-07  Danny Smith  <dannysmith@users.sourceforge.net>
227             Nathan Froyd  <froydnj@codesourcery.com>
228
229         PR 22133
230         * c-incpath.c (add_path): Strip trailing path separators.
231
232 2007-05-07  Eric Botcazou  <ebotcazou@adacore.com>
233
234         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Reset cfg_altered.
235         Free dominance info before purging EH edges.
236         (eliminate_degenerate_phis): Likewise.
237         (propagate_rhs_into_lhs): Set cfg_altered to true instead of 1.
238
239 2007-05-07  Jan Hubicka  <jh@suse.cz>
240
241         * gimplify.c (gimplify_expr): Do not crash when folding
242         (void *)(int)&a + 4.
243
244 2007-05-07  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
245
246         PR driver/31694
247         * c-opts.c (lang_fortran): Make it non static.
248         * c-common.h (lang_fortran): New prototype.
249         * c-cppbuiltin.c (c_cpp_builtins): Create a __GFORTRAN__ if the
250         -lang-fortran option was passed by the driver.
251
252 2007-05-06  Eric Botcazou  <ebotcazou@adacore.com>
253
254         * timevar.c (timevar_print): Test ENABLE_ASSERT_CHECKING instead
255         of ASSERT_CHECKING.  Tweak message.
256
257 2007-05-06  Revital Eres  <eres@il.ibm.com>
258
259         PR 30957
260         * loop-unroll.c (insert_var_expansion_initialization):
261         Initialize the expansions with -zero instead of +zero.
262
263 2007-05-05  Aurelien Jarno  <aurelien@aurel32.net>
264
265         * config/pa/pa.md: Split tgd_load, tld_load and tie_load
266         into pic and non-pic versions. Mark r19 as used for 
267         tgd_load_pic, tld_load_pic and tie_load_pic. Mark r27 as used 
268         for tgd_load, tld_load and tie_load .
269         * config/pa/pa.c (legitimize_tls_address): Emit pic or non-pic
270         version of tgd_load, tld_load and tie_load depending on the 
271         value of flag_pic.
272
273 2007-05-04  Ulrich Drepper  <drepper@redhat.com>
274             Jakub Jelinek  <jakub@redhat.com>
275
276         * crtstuff.c (HIDDEN_DTOR_LIST_END): New macro.
277         (__do_global_dtors_aux): Use more paranoid loop to run
278         destructors if HIDDEN_DTOR_LIST_END.
279         (__DTOR_END__): Export as a hidden symbol when HIDDEN_DTOR_LIST_END.
280
281 2007-05-04  Jakub Jelinek  <jakub@redhat.com>
282
283         * varasm.c (align_variable): Don't increase alignment for
284         DECL_THREAD_LOCAL_P variables above BITS_PER_WORD through
285         DATA_ALIGNMENT or CONSTANT_ALIGNMENT.
286
287 2007-05-04  Josh Conner  <jconner@apple.com>
288
289         * basic-block.h (cdi_direction): Assign values to all enumeration
290         constants.
291         (dom_computed): Remove.
292         (dom_info_state): New.
293         (set_dom_info_availability): New.
294         * tree-ssa-loop-im.c (determine_invariantness): Initialize
295         walk_data.dom_direction.
296         * cfghooks.c (delete_basic_block): Use dom_info_available_p()
297         instead of dom_computed[].
298         (split_edge): Likewise.
299         (create_basic_block): Likewise.
300         (merge_blocks): Likewise.
301         * ifcvt.c (find_if_header): Likewise.
302         * tree-cfgcleanup.c (cleanup_tree_cfg): Likewise.
303         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
304         * tree-ssa.c (verify_ssa): Likewise.
305         * tree-cfg.c (tree_verify_flow_info): Likewise.
306         (remove_edge_and_dominated_blocks): Likewise.
307         * dominance.c (dom_computed): Make static.
308         (calc_dfs_tree_nonrec): Change third param to a bool.
309         (calc_dfs_tree): Change second param to a bool.
310         (calc_idioms): Change second param to a bool.  Use
311         dom_convert_dir_to_idx.
312         (init_dom_info): Validate dir before using.
313         (dom_convert_dir_to_idx): New.
314         (calculate_dominance_info): Use dom_convert_dir_to_idx.  New
315         variable 'reverse' used for calling calc_dfs_tree and calc_idoms.
316         (free_dominance_info): Use dom_convert_dir_to_idx.
317         (get_immediate_dominator): Likewise.
318         (set_immediate_dominator): Likewise.
319         (get_dominated_by): Likewise.
320         (redirect_immediate_dominators): Likewise.
321         (nearest_common_denominator): Likewise.
322         (dominated_by_p): Likewise.
323         (bb_dom_dfs_in): Likewise.
324         (bb_dom_dfs_out): Likewise.
325         (recount_dominator): Likewise.
326         (iterate_fix_dominators): Likewise.
327         (add_to_dominance_info): Likewise.
328         (delete_from_dominance_info): Likewise.
329         (first_dom_son): Likewise.
330         (next_dom_son): Likewise.
331         (dom_info_available_p): Likewise.
332         (dom_info_state): New.
333         (set_dom_info_availability): New.
334
335 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
336
337         * config/s390/s390.md ("fix_trunc<mode>di2", "fix_trunc<mode>si2"):
338         Expander removed.
339         ("fix_trunc<DSF:mode><GPR:mode>2"): Expander added.
340
341 2007-05-04  Bob Wilson  <bob.wilson@acm.org>
342         
343         * config/xtensa/xtensa.md (adddi3, adddi_carry): Delete.
344         (subdi3, subdi_carry): Delete.
345         
346 2007-05-04  Jan Hubicka  <jh@suse.cz>
347             Richard Guenther  <rguenther@suse.de>
348
349         * opts.c (decode_options): Do not fiddle with inlining
350         parameters in case of optimizing for size.
351         * ipa-inline.c (cgraph_decide_recursive_inlining): When optimizing
352         for size do nothing.
353         (cgraph_decide_inlining_of_small_function): When optimizing for
354         size never inline functions increasing caller size.
355         (cgraph_early_inlining): Inline for size when optimizing for size.
356
357 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
358
359         * config/bfin/bfin.md (<optab>di3): Now a define_expand which expands
360         logical operations piecewise.
361         (<optab>di_zesidi_di, <optab>di_sesidi_di, negdi2, one_cmpldi2,
362         zero_extendsidi2, subdi_di_zesidi, subdi_zesidi_di, subdi_di_sesidi,
363         subdi_sesidi_di): Delete.
364         (add_with_carry): Produce carry in CC instead of a DREG to shorten
365         the generated sequence.  Allow three-reg add in constraints.  Rewrite
366         the rtl expression for carry to avoid zero_extend of a constant.
367         (sub_with_carry): New pattern.
368         (adddi3, subdi3): Change into define_expand.  For subtract, generate a
369         different sequence not involving jumps.
370         (notbi): Now a named pattern.
371
372 2007-05-04  Bradley Lucier  <lucier@math.purdue.edu>
373
374         * doc/invoke.texi (i386 and x86-64 Options) [-mpc32, -mpc64, -mpc80]:
375         Add the note about a significant loss of accuracy of some
376         mathematical routines when these options are used.
377
378 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
379
380         * haifa-sched.c (rtx_vec_t): New typedef.
381         (contributes_to_priority_p): Extract piece of priority () into new
382         static function.
383         (priority): Use the function.  Add assertion.
384         (rank_for_schedule, set_priorities): Add assertion to check that
385         insn's priority is initialized.
386         (clear_priorities, calc_priorities): Change signature.  Make it update
387         all relevant insns.  Update all callers ('add_to_speculative_block ()'
388         and 'create_block_check_twin ()').
389         * sched-int.h (struct haifa_insn_data): Remove field 'priority_known'.
390         Add new field 'priority_status'.
391         (INSN_PRIORITY_STATUS): New macro.
392         (INSN_PRIORITY_KNOWN): Change to use INSN_PRIORITY_STATUS.
393
394 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
395
396         * sched-ebb.c (debug_ebb_dependencies): New static function.
397         (init_ready_list): Use it.
398
399         * sched-rgn.c (debug_dependencies): Split into 'debug_dependencies ()'
400         with changed signature and 'debug_rgn_dependencies ()'.
401         (debug_rgn_dependencies): New static function.
402         (init_ready_list): Use it.
403         
404         * sched-int.h (debug_dependencies): Declare.
405
406 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
407
408         * libgcc-std.ver (__ffssi2): Added to GCC_4.3.0 section.
409
410 2007-05-04  Dirk Mueller  <dmueller@suse.de>
411
412         * c.opt(Wmain,ffreestanding): Enable for C++,ObjC++.
413
414 2007-05-03  Jan Hubicka  <jh@suse.cz>
415
416         * fold-const.c (fold_unary): Convert (T1)(X op Y) into ((T1)X op (T1)Y),
417         for pointer type in more cases than before.
418
419         * gimplify.c (gimplify_expr): Fold (void *)&a + 4.
420
421         * tree-object-size.c (plus_expr_object_size): When operand size is
422         unknown, return unknown.
423
424 2007-05-03  Dirk Mueller  <dmueller@suse.de>
425
426         * doc/invoke.texi (-m386,-m486,-mpentium,-mpentiumpro): Remove.
427
428         * config/i386/i386.h (CC1_CPU_SPEC): Remove handling for deprecated
429         options.
430
431         * config/i386/i386.opt (m386,m486,mpentium,mpentiumpro): Remove.
432
433 2007-05-03  Janis Johnson  <janis187@us.ibm.com>
434
435         * doc/sourcebuild.texi (Test Directives) Clarify dg-excess-errors.
436
437 2007-05-03  Joseph Myers  <joseph@codesourcery.com>
438
439         * config/soft-fp/double.h, config/soft-fp/extended.h,
440         config/soft-fp/floatundidf.c, config/soft-fp/floatundisf.c,
441         config/soft-fp/floatunsidf.c, config/soft-fp/floatunsisf.c,
442         config/soft-fp/op-2.h, config/soft-fp/op-4.h,
443         config/soft-fp/op-common.h, config/soft-fp/quad.h: Update from
444         glibc CVS.
445
446 2007-05-03  Ian Lance Taylor  <iant@google.com>
447
448         * config/rs6000/rs6000.c (rs6000_override_options): Don't set
449         MASK_PPC_GFXOPT for 8540 or 8548.
450
451 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
452
453         * tree-vect-transform.c (vect_update_inits_of_drs): Use
454         vect_print_dump_info() to output debug information.
455
456 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
457
458         PR target/31768
459         * config/i386/i386.c (print_operand) ['z']: Output 'w' for
460         operands of size 2 when operand is not MEM_P.
461
462 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
463
464         PR tree-optimization/30565
465         * lambda-code.c (perfect_nestify): Fix updating of dominators.
466
467 2007-05-03  Bernd Schmidt  <bernd.schmidt@analog.com>
468
469         * config/bfin/bfin.md (addpdi3, us_truncpdisi2): New patterns.
470         (umulsi3_highpart): Use them.
471         * config/bfin/lib1funcs.asm (__umulsi3_highpart): Use unsigned move
472         for final accumulator to D regisster tranfser.
473
474 2007-05-03  Dorit Nuzman  <dorit@il.ibm.com>
475
476         PR tree-optimization/31699
477         * tree-vect-analyze.c (vect_update_misalignment_for_peel): Remove wrong
478         code.
479         (vect_enhance_data_refs_alignment): Compute peel amount using 
480         TYPE_VECTOR_SUBPARTS instead of vf.     
481         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Likewise.
482
483 2007-05-02  Brooks Moses  <brooks.moses@codesourcery.com>
484
485         PR bootstrap/31776
486         * system.h: Remove inclusion of double-int.h
487         * tree.h: Include double-int.h
488         * gengtype.c: Likewise
489         * cfgloop.h: Likewise
490         * Makefile.in: Adjust dependencies on double-int.h
491
492 2007-05-02  Eric Christopher  <echristo@apple.com>
493
494         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Translate
495         -shared to -Zdynamiclib.
496
497 2007-05-02  Seongbae Park  <seongbae.park@gmail.com>
498
499         PR c++/31663
500         * c-common.c (strip_pointer_or_array_types): New function.
501         * c-common.h (strip_pointer_or_array_types): New function declaration.
502
503 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
504
505         PR tree-optimization/31771
506         * tree-cfg.c (move_block_to_fn): Assign bb to the correct index.
507
508 2007-05-02  Paul Brook  <paul@codesourcery.com>
509
510         * config/arm/bpabi.S (aeabi_lcmp): Fix result on overflow.
511
512 2007-05-02  Andrew Pinski  <andrew_pinski@playstation.sony.com>
513
514         PR middle-end/29715
515         * fold-const.c (fold_comparision): Remove the "foo++ == CONST"
516         transformation.
517
518 2007-05-02  Nick Clifton  <nickc@redhat.com>
519
520         * config/frv/predicates.md (symbolic_operand): Accept CONSTs.
521
522 2007-05-02  Richard Guenther  <rguenther@suse.de>
523
524         PR tree-optimization/31146
525         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
526         argument, single_use_p.  If we have a single use that is
527         a conversion to the definition rhs type, propagate that rhs.
528         (forward_propagate_addr_expr): Pass single_use_p argument
529         to forward_propagate_addr_expr_1.
530
531 2007-05-01  H.J. Lu  <hongjiu.lu@intel.com>
532
533         * config/i386/i386.c (ix86_expand_sse_comi): Remove unused
534         variable.
535
536 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
537
538         * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of
539         'AMD Family 10 core'.
540
541 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
542
543         * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3
544         and athlon64-sse3 as improved versions of k8, opteron and athlon64
545         with SSE3 instruction set support.
546         * doc/invoke.texi: Likewise.
547
548 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
549
550         * config/i386/i386.c (override_options): Tuning 32-byte loop
551         alignment for amdfam10 architecture. Increasing the max loop
552         alignment to 24 bytes.
553
554 2007-05-01  Kazu Hirata  <kazu@codesourcery.com>
555
556         * config/m68k/constraints.md: New.
557         * config/m68k/m68k.h (REG_CLASS_FROM_LETTER,
558         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
559         EXTRA_CONSTRAINT): Remove.
560         * config/m68k/m68k.md: Include constraints.md.
561         * expr.c (expand_expr_real_1): Copy DECL_RTL before using it.
562
563 2007-05-01  Ian Lance Taylor  <iant@google.com>
564
565         PR tree-optimization/31739
566         * tree-vrp.c (vrp_val_is_max): New static function.
567         (vrp_val_is_min): New static function.
568         (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
569         copying the node.
570         (set_value_range): Use vrp_val_is_{max,min}.
571         (extract_range_from_assert): Likewise.
572         (extract_range_from_binary_expr): Likewise.
573         (extract_range_from_unary_expr): Likewise.
574         (dump_value_range, vrp_meet): Likewise.
575         (vrp_visit_phi_node): Likewise.
576         * tree.c (build_distinct_type_copy): Revert change of 2007-04-27.
577
578 2007-05-01  Mark Mitchell  <mark@codesourcery.com>
579
580         * config/i386/gmon-sol2.c (size_t): New type.
581         (intptr_t): Likewise.
582         (s_textsize): Declare as size_t.
583         (sbrk): Declare.
584         (monstartup): Use size_t for sizes.
585         (_mcount): Save and restore registers.
586         (internal_mcount): Pass 0 as the first argument to monstartup
587         in 64-bit mode.
588         (moncontrol): Convert pointer to appropriately sized integer
589         before passing to profil.
590
591 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
592
593         * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if
594         __NO_FPRS__, not just if _SOFT_DOUBLE.
595         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise.
596         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord
597         also for E500 double.
598         * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt,
599         suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT
600         && !TARGET_FPRS).
601
602 2007-05-01  Richard Guenther  <rguenther@suse.de>
603
604         * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt
605         is NULL.
606
607 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
608
609         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
610
611 2007-05-01  Jan Hubicka  <jh@suse.cz>
612
613         * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is
614         invariant.
615
616 2007-05-01  Jan Hubicka  <jh@suse.cz>
617
618         * tree.h (maybe_fold_offset_to_component_ref): Remove.
619         (maybe_fold_offset_to_reference): Declare.
620         * fold-const.c (fold_unary): Do not fold
621         (type *)&A into &A->field_of_type_and_offset_0
622         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type
623         size is unknown, give up.
624         (maybe_fold_offset_to_component_ref): Ignore firelds with unknown
625         offsets.
626         (maybe_fold_offset_to_reference): New.
627         (maybe_fold_stmt_indirect): Use it.
628         (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset.
629         * gimplify.c (gimplify_conversion): Canonicalize conversions to
630         field references.
631         (gimplify_expr): Likewise for plus_expr.
632
633 2007-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
634
635         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
636         bsi_after_labels.  Always insert statements before bsi.
637         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
638         * predict.c (apply_return_prediction): Check for empty blocks.
639         * cfgexpand.c (lab_rtx_for_bb): New variable.
640         (label_rtx_for_bb): Do not create new tree labels.
641         (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
642         (tree_expand_cfg): Initialize lab_rtx_for_bb.
643         * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
644         creating edges.
645         (label_for_bb): Add field used.
646         (update_eh_label, main_block_label): Mark the label used.
647         (cleanup_dead_labels): Remove unused labels.
648
649 2007-05-01  Richard Guenther  <rguenther@suse.de>
650
651         * tree-vrp.c (set_value_range): Do not allocate equiv bitmap
652         if it is not about to be set.
653         (get_value_range): Do not pre-allocate equiv bitmap.
654         (update_value_range): No need to clear equiv field.
655         (add_equivalence): Change prototype to get bitmap pointer.
656         Allocate bitmap here if it is not already.
657         (extract_range_from_assert): Do not allocate bitmap here.
658         Update callers to add_equivalence.
659         (extract_range_from_ssa_name): Likewise.
660         (get_vr_for_comparison): New static helper.
661         (compare_name_with_value): Handle NULL equiv bitmap by
662         peeling the first iteration of the comparison loop.
663         Use get_vr_for_comparison.
664         (compare_names): Handle NULL equiv bitmaps by using fake
665         ones.  Use get_vr_for_comparison.
666
667 2007-04-30  Brooks Moses  <brooks.moses@codesourcery.com>
668
669         * double-int.c (mpz_set_double_int): Moved from
670         tree-ssa-loop-niter.c.
671         (mpz_get_double_int): Likewise; also, add option to wrap
672         out-of-range integers.
673         * double-int.h: New prototypes for above.
674         * tree.c (get_static_type_bounds): Moved from
675         tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
676         TYPE_MAX_VALUE if they exist..
677         * tree.h: New prototype for above.
678         * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
679         get_type_bounds calls.
680         (mpz_set_double_int): Move to double-int.c.
681         (get_type_bounds): Move to tree.c, rename to
682         get_static_type_bounds.
683         (mpz_to_double_int): Move to double-int.c, rename to
684         mpz_get_double_int.
685
686 2007-04-30  Bob Wilson  <bob.wilson@acm.org>
687
688         * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
689         DIV0 exception can fall through to a normal return.
690
691 2007-04-30  Alexandre Oliva  <aoliva@redhat.com>
692
693         PR middle-end/22156
694         Temporarily revert:
695         2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
696         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
697         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
698         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
699         initialize align to silence bogus warning.
700         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
701         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
702         all_no_warning.
703         (struct sra_walk_fns): Remove use_all parameter from use.
704         (sra_hash_tree): Handle BIT_FIELD_REFs.
705         (sra_elt_hash): Don't hash bitfld blocks.
706         (sra_elt_eq): Skip them in parent compares as well.  Handle
707         BIT_FIELD_REFs.
708         (sra_walk_expr): Don't maintain or pass down use_all_p.
709         (scan_use): Remove use_all parameter.
710         (scalarize_use): Likewise.  Re-expand assignment to
711         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
712         output, and re-scalarize after output.  Don't mark anything
713         for no warning.
714         (scalarize_ldst): Adjust.
715         (scalarize_walk_gimple_modify_statement): Likewise.
716         (build_element_name_1): Handle BIT_FIELD_REFs.
717         (instantiate_element): Don't warn for any element whose parent
718         is used as a whole.
719         (instantiate_missing_elements_1): Return the sra_elt.
720         (canon_type_for_field): New.
721         (try_instantiate_multiple_fields): New.
722         (instantiate_missing_elemnts): Use them.
723         (mark_no_warning): Removed.
724         (generate_one_element_ref): Handle BIT_FIELD_REFs.
725         (REPLDUP, sra_build_elt_assignment): New.
726         (generate_copy_inout): Use them.
727         (generate_element_copy): Likewise.  Handle bitfld differences.
728         (generate_element_zero): Don't recurse for blocks.  Use
729         sra_build_elt_assignment.
730         (generate_one_element_int): Take elt instead of var.  Use
731         sra_build_elt_assignment.
732         (generate_element_init_1): Adjust.
733         (scalarize_use, scalarize_copy): Use REPLDUP.
734         (scalarize_ldst): Move assert before dereference.
735         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
736
737 2007-04-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
738
739         PR C++/31721
740         * tree.c (reconstruct_complex_type): Reconstruct a reference
741         correctly.
742         Also use the same mode for the pointer as the old pointer type.
743
744 2007-04-30  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
745
746         * doc/trouble.texi (Interoperation): Remove note about Ultrix
747         Fortran compiler.
748
749 2007-04-29  Zdenek Dvorak  <dvorakz@suse.cz>
750
751         PR rtl-optimization/31676
752         * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
753         (df_refs_record): Call it.
754
755 2007-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
756
757         * rtl.def (SS_ABS): New code.
758         * config/bfin/bfin.c (print_operand): New modifier 'v'.
759         (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
760         BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
761         BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
762         (bfin_init_builtins): Define them.
763         (bdesc_1arg, bdesc_2arg): Add some of them here, ...
764         (bfin_expand_builtin): ... and handle the others here.
765         * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
766         flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
767         (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
768         (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
769         operand is only HImode.
770
771 2007-04-29  Steven Bosscher  <steven@gcc.gnu.org>
772
773         * regclass.c (scan_one_insn): Remove splitting of
774         two address insns.
775
776 2007-04-28  Sandra Loosemore  <sandra@codesourcery.com>
777             Nigel Stephens  <nigel@mips.com>
778
779         * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
780
781 2007-04-28  Jan Hubicka  <jh@suse.cz>
782
783         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
784         insn_locators_alloc instead of insn_locators_initialize;
785         call reset_block_changes.
786         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
787         * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
788         * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
789         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
790         * config/score/score.c (th_output_mi_thunk): Likewise.
791         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
792         * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
793         tolerate uninitialized locator info.
794
795         Re-apply:
796         * function.c (init_function_start): Don't init line number info.
797         (expand_function_end): Update.
798         (reset_block_changes, record_block_change, finalize_block_changes,
799         check_block_change, free_block_changes): Kill.
800         * function.h (reset_block_changes, record_block_change,
801         finalize_block_changes, check_block_change, free_block_changes): Remove
802         prototypes.
803         (struct function): Remove ib_boundaries_block.
804         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
805         Use curr_insn_locator to initialize locator.
806         (emit_line_note): Remove.
807         * cfgexpand.c (expand_gimple_cond_expr): Update.
808         (construct_exit_block): Likewise.
809         (tree_expand_cfg): Initialize/finalize locators.
810         * expr.c (expand_expr_real): Update.
811         * cfglayout.c (line_locators_locs, line_locators_lines,
812         file_locators_locs, file_locators_files): Remove.
813         (set_block_levels): Move to cfgexpand.c.
814         (insn_locators_initialize): Remove.
815         (pass_insn_locators_initialize): Remove.
816         (locations_locators_locs, locations_locators_vals): New static vars.
817         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
818         Likewise.
819         (insn_locators_alloc, insn_locators_finalize,
820         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
821         New functions.
822         (locator_location): New.
823         (locator_line, locator_file): Rewrite.
824         * rtl.h (emit_line_note): Kill.
825         (insn_locators_alloc, insn_locators_finalize,
826         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
827         Declare.
828         * tree-inline.c (initialize_cfun): Do not initialize
829         ib_boundaries_block.
830         * passes.c (pass_insn_locators_initialize): Remove.
831
832 2007-04-28  Zdenek Dvorak  <dvorakz@suse.cz>
833
834         * tree-cfg.c (move_block_to_fn): Release bb from dominance
835         info.  Update last_basic_block correctly.
836
837 2007-04-27  Kaz Kojima  <kkojima@gcc.gnu.org>
838
839         PR target/31701
840         * config/sh/sh.c (output_stack_adjust): Avoid using the frame
841         register itself to hold the offset constant.  Tell flow the use
842         of r4 and r5 when they are used.
843
844 2007-04-27  Richard Guenther  <rguenther@suse.de>
845
846         * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
847         if we simplified anything.
848         (tree_ssa_forward_propagate_single_use_vars): Defer overflow
849         warnings until we did a simplification and the stmt was not
850         marked as TREE_NO_WARNING.
851
852 2007-04-27  Mike Stump  <mrs@apple.com>
853
854         * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
855
856 2007-04-27  Ian Lance Taylor  <iant@google.com>
857
858         PR middle-end/31710
859         * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
860         TYPE_MAX_VALUE exist, convert them to the new type.
861
862 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
863
864         * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
865         if it claims to be available.
866         * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
867         edge is redirected.
868         (perform_tree_ssa_dce): Always free postdominators.
869
870 2007-04-27  Richard Henderson  <rth@redhat.com>
871
872         * config/alpha/predicates.md (aligned_memory_operand): Mark
873         as define_special_predicate.
874         (unaligned_memory_operand, normal_memory_operand): Likewise.
875         (reg_or_unaligned_mem_operand): Remove.
876         (any_memory_operand): Match the documentation and check for
877         non-renumbered pseudos during reload.
878         * config/alpha/alpha.c (alpha_secondary_reload): Rename from
879         alpha_secondary_reload_class, update to new interface, make static.
880         Handle CQImode like HImode.  Remove FP subreg check.
881         (alpha_expand_mov): Use replace_equiv_address.
882         (alpha_expand_mov_nobwx): Use any_memory_operand.
883         (TARGET_SECONDARY_RELOAD): New.
884         * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
885         (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
886         * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
887         * config/alpha/alpha.md: ... here.
888         (RELOAD12, reloadmode): New.
889         (movcqi): New.
890         (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
891         Don't handle the aligned case here.
892         (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
893         (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
894         reload_inhi_help.  Don't expect a scratch register.
895         (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
896         reload_outhi_help.
897         * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
898
899 2007-04-27  Richard Guenther  <rguenther@suse.de>
900
901         * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
902
903 2007-04-27  Richard Guenther  <rguenther@suse.de>
904
905         PR tree-optimization/30965
906         PR tree-optimization/30978
907         * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
908         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
909         (find_equivalent_equality_comparison): Likewise.
910         (simplify_cond): Likewise.
911         (get_prop_source_stmt): New helper.
912         (get_prop_dest_stmt): Likewise.
913         (can_propagate_from): Likewise.
914         (remove_prop_source_from_use): Likewise.
915         (combine_cond_expr_cond): Likewise.
916         (forward_propagate_comparison): New function.
917         (forward_propagate_into_cond): Rewrite to use fold for
918         tree combining.
919         (tree_ssa_forward_propagate_single_use_vars): Call
920         forward_propagate_comparison to propagate comparisons.
921
922 2007-04-27  Richard Guenther  <rguenther@suse.de>
923
924         PR tree-optimization/31715
925         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
926         sure to do computation on the offset in an appropriate
927         signed type.
928
929 2007-04-27  Richard Sandiford  <richard@codesourcery.com>
930
931         * reload.h (elimination_target_reg_p): Declare.
932         * reload.c (find_reloads): Don't apply the reg_rtx move
933         optimization if the SET_DEST satisfies elimination_target_reg_p.
934         * reload1.c (elimination_target_reg_p): New function.
935         (gen_reload): In the move/add2 fallback, make sure that op0
936         does not overlap the destination register.
937
938 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
939
940         * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
941         transform only GIMPLE_MODIFY_STMTs.
942         * tree-complex.c (expand_complex_operations_1): Ditto.
943         (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
944         * tree-ssa-loop-manip.c (build_if_stmt): Removed.
945         (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
946         branches.
947         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
948         tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
949         * omp-low.c (expand_parallel_call, expand_omp_for_generic,
950         expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
951         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
952         slpeel_add_loop_guard): Ditto.
953         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
954         * lambda-code.c (perfect_nestify): Ditto.
955         * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
956         before the first statement.
957         * tree-optimize.c (execute_free_datastructures): Fix comments.
958         (execute_free_cfg_annotations): Do not call disband_implicit_edges.
959         * tree-flow.h (disband_implicit_edges): Declaration removed.
960         * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
961         branches.
962         (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
963         without gotos.
964         (disband_implicit_edges, has_label_p): Removed.
965         (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
966         (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
967         branches.
968         * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
969         side effects.
970         * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
971         also for COND_EXPRs.
972         * cfgexpand.c (label_rtx_for_bb): New function.
973         (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
974         Use label_rtx_for_bb to find the labels.
975         (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
976         last block.  Detect fallthru edges.
977
978 2007-04-26  Ian Lance Taylor  <iant@google.com>
979
980         PR target/28675
981         * reload.c (find_reloads_subreg_address): If the address was valid
982         in the original mode but not in the new mode, reload the whole
983         address.
984
985 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
986
987         * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
988         (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
989         (cleanup_control_expr_graph): Do not invalidate dominance info.
990         Record altered blocks.
991         (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
992         (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
993         cleanup_tree_cfg_bb): New functions.
994         (remove_forwarder_block): Do not maintain the worklist of blocks.
995         Record altered blocks.
996         (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
997         not over whole cfg.
998         (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1.  Only call
999         delete_unreachable_blocks if dominators are not available.
1000         * tree-inline.c (optimize_inline_calls): Free dominance information
1001         earlier.
1002         * tree-flow.h (remove_edge_and_dominated_blocks,
1003         cfgcleanup_altered_bbs): Altered.
1004         * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
1005         blocks.
1006         (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
1007         functions.
1008         (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
1009         do not invalidate dominators.
1010
1011 2007-04-26  Anatoly Sokolov <aesok@post.ru>
1012
1013         * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
1014         ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
1015         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1016         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1017
1018 2007-04-26  Steve Ellcey  <sje@cup.hp.com>
1019
1020         * config/ia64/ia64.md (ip_value):  Fix itanium_class attribute.
1021
1022 2007-04-26  Richard Guenther  <rguenther@suse.de>
1023
1024         PR tree-optimization/31703
1025         * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
1026         the right type for the target of the bittest.
1027
1028 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
1029
1030         * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
1031         ix86_sol10_return_in_memory.
1032
1033 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
1034
1035         * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
1036         variables.
1037
1038 2007-04-26  Jakub Jelinek  <jakub@redhat.com>
1039
1040         PR c++/31598
1041         * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
1042
1043         PR tree-optimization/30558
1044         * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
1045         clear this_state.prev_try.
1046
1047 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
1048             Mark Mitchell  <mark@codesourcery.com>
1049
1050         * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
1051         * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
1052         * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
1053
1054 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
1055
1056         PR driver/31107
1057         * doc/invoke.texi (%:print-asm-header): Document.
1058         * gcc.c (asm_options): Use %:print-asm-header() for --target-help
1059         and -ftarget-help.
1060         (static_spec_functions): Add print-asm-header.
1061         (main): Print a banner before the --target-help linker options.
1062         (print_asm_header_spec_function): New function.
1063
1064 2007-04-25  Kaz Kojima  <kkojima@gcc.gnu.org>
1065
1066         PR target/31403
1067         * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
1068         (movsf_ie): Likewise.
1069
1070 2007-04-25  Paolo Carlini  <pcarlini@suse.de>
1071
1072         * doc/extend.texi ([Type Traits]): Adjust per N2255.
1073
1074 2007-04-25  Bob Wilson  <bob.wilson@acm.org>
1075
1076         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an exception
1077         for divide-by-zero.
1078         (__umodsi3, __modsi3): Likewise.
1079
1080 2007-04-25  Dirk Mueller  <dmueller@suse.de>
1081
1082         * c-typeck.c (build_compound_expr): Annotate warning()
1083         call with OPT_Wunused_value.
1084         * tree-ssa.c (warn_uninit): Annotate warning with
1085         OPT_Wunintialized.
1086         * c-common.c (handle_sentinel_attribute): Annotate warning
1087         call with OPT_Wattributes.
1088
1089 2007-04-25  Thiemo Seufer  <ths@mips.com>
1090
1091         * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
1092         (mips16): Fix typo.
1093         * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
1094         on to the assembler.  Improve handling of -mno-mips16.  Add handling
1095         of -mno-mips3d, -mno-dsp, -mno-dspr2.
1096         * doc/invoke.texi (MIPS Options): Whitespace cleanup.  Fix wrong use
1097         of @itemx.  Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
1098         -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
1099
1100 2007-04-25  Danny Smith  <dannysmith.users.sourceforge.net>
1101
1102         PR target/31680
1103         * config/i386/winnt.c (i386_pe_file_end): Strip only
1104         USER_LABEL_PREFIX when writing export name.
1105
1106 2007-04-25  Richard Sandiford  <richard@codesourcery.com>
1107
1108         * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h.  Include
1109         sh/elf.h, vx-common.h and vxworks.h.
1110         * config/sh/sh.h: Include config/vxworks-dummy.h.
1111         (SUBTARGET_OVERRIDE_OPTIONS): Define.
1112         (OVERRIDE_OPTIONS): Use it.
1113         * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
1114         (vxworks_picreg): New pattern.
1115         * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
1116         VXWORKS_OS_CPP_BUILTINS.
1117         (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
1118         to their VXWORKS_* equivalents.
1119         (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
1120         (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
1121         * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
1122         (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
1123         * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
1124         -mrtp/-fPIC multilibs.
1125         (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
1126         (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
1127         (MULTILIB_OSDIRNAMES): Delete.
1128
1129 2007-04-25  Anatoly Sokolov <aesok@post.ru>
1130
1131         PR target/18989
1132         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
1133
1134 2007-04-24  Brooks Moses  <brooks.moses@codesourcery.com>
1135
1136         * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
1137         rounding mode to be specified by the caller.
1138         (real_to_mpfr) Likewise.
1139         * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
1140         include new arguments.
1141         * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
1142
1143 2007-04-24  Ian Lance Taylor  <iant@google.com>
1144
1145         PR tree-optimization/31605
1146         * tree-vrp.c (set_value_range): Check that min and max are not
1147         both overflow infinities.
1148         (set_value_range_to_value): New static function.
1149         (extract_range_from_binary_expr): Call set_value_range_to_value.
1150         (extract_range_from_cond_expr): Likewise.
1151         (extract_range_from_expr): Likewise.
1152         (extract_range_from_unary_expr): Likewise.  Don't create a range
1153         which overflows on both sides.
1154         (vrp_meet): Check for a useless range.
1155         (vrp_visit_phi_node): If we see a constant which looks like an
1156         overflow infinity, turn off the TREE_OVERFLOW flag.
1157
1158 2007-04-24  Ian Lance Taylor  <iant@google.com>
1159
1160         * flow.c (elim_reg_cond): Handle a comparison of a subreg.
1161
1162 2007-04-24  Simon Martin  <simartin@users.sourceforge.net>
1163
1164         PR diagnostic/25923
1165         * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
1166         diagnostic message is being built.
1167         * tree-pretty-print.c (dump_generic_node): Only write the
1168         formatted text into BUFFER's stream if we are not building a
1169         diagnostic message.
1170         * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
1171         dump_generic_node.
1172         * Makefile.in (toplev.o): Depend on tree-pass.h.
1173
1174 2007-04-24  Ian Lance Taylor  <iant@google.com>
1175
1176         PR tree-optimization/31602
1177         * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
1178         conditionals in the copied loop header.
1179         * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
1180         warnings if TREE_NO_WARNING is set.
1181         * doc/invoke.texi (Warning Options): Clarify that
1182         -Wstrict-overflow does not warn about loops.
1183
1184 2007-04-24  Janis Johnson  <janis187@us.ibm.com>
1185
1186         * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
1187         expand on the comment about _Decimal128 arguments and check the
1188         integer result of the modulus operation; for 64-bit ELF ABI, ensure
1189         that _Decimal128 argument uses even/odd register pair.
1190         (function_arg): Ditto.
1191
1192 2007-04-24  Hui-May Chang <hm.chang@apple.com>
1193
1194         * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
1195         instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
1196
1197 2007-04-24  Richard Guenther  <rguenther@suse.de>
1198             Olga Golovanevsky  <olga@il.ibm.com>
1199
1200         * fold-const.c (multiple_of_p): Check for bottom
1201         to be zero.
1202
1203 2007-04-24  Richard Henderson  <rth@redhat.com>
1204
1205         * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
1206         IS_IBM_EXTENDED.  Also define in terms of WIDEST_HARDWARE_FP_SIZE.
1207         * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
1208         looking for non-zero bits shifted out.  Avoid a recursive call
1209         when constructing the scalar.
1210         (__floatundisf): Likewise.
1211
1212 2007-04-24  Nathan Froyd  <froydnj@codesourcery.com>
1213
1214         * dwarf2out.c (field_byte_offset): Move the existing logic
1215         under the control of PCC_BITFIELD_TYPE_MATTERS and just use
1216         the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
1217
1218 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
1219
1220         PR target/31641
1221         * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length
1222         argument of 0 for memset.
1223         (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
1224         unsigned shift instead of the signed variant.
1225
1226 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
1227
1228         * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
1229         "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
1230         "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
1231         "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
1232         "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
1233         "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
1234         "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
1235         "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
1236         "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
1237         ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
1238         "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
1239         "mul<mode>3", "div<mode>3"): Insn definitions added.
1240         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
1241         "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
1242         to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
1243         ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
1244         "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
1245         "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
1246         ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
1247         * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
1248         TARGET_FLOAT_FORMAT): Macro definitions removed.
1249         (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
1250         * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
1251         z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
1252         (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
1253         (s390_gen_rtx_const_DI): Function removed.
1254         * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
1255
1256 2007-04-24  Richard Sandiford  <richard@codesourcery.com>
1257
1258         * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
1259         over an external ffs function.
1260
1261 2007-04-24  Chao-ying Fu  <fu@mips.com>
1262             Richard Sandiford  <richard@nildram.co.uk>
1263
1264         * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
1265         * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
1266         (smadd_widen_optab, umadd_widen_optab): Define.
1267         * optabs.c (init_optabs): Initialize smadd_widen_optab and
1268         umadd_widen_optab.
1269         * genopinit.c (optabs): Fill in smadd_widen_optab and
1270         umadd_widen_optab.
1271         * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
1272         and umadd_widen_optab to implement multiply-add sequences.
1273         * config/mips/mips.md (*<su>mul_acc_di): Rename to...
1274         (<u>maddsidi4): ...this.  Extend condition to include
1275         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
1276         of operand 0 to "ka" and use the three-operand form of madd<u>
1277         for TARGET_DSPR2.
1278         * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
1279         to define_expands.
1280         * config/mips/constraints.md (ka): New register constraint.
1281
1282 2007-04-24  Jan Hubicka  <j@suse.cz>
1283
1284         Revert:
1285
1286         2007-04-23  Jan Hubicka  <jh@suse.cz>
1287         * function.c (init_function_start): Don't init line number info.
1288         (expand_function_end): Update.
1289         (reset_block_changes, record_block_change, finalize_block_changes,
1290         check_block_change, free_block_changes): Kill.
1291         * function.h (reset_block_changes, record_block_change,
1292         finalize_block_changes, check_block_change, free_block_changes): Remove
1293         prototypes.
1294         (struct function): Remove ib_boundaries_block.
1295         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
1296         Use curr_insn_locator to initialize locator.
1297         (emit_line_note): Remove.
1298         * cfgexpand.c (expand_gimple_cond_expr): Update.
1299         (construct_exit_block): Likewise.
1300         (tree_expand_cfg): Initialize/finalize locators.
1301         * expr.c (expand_expr_real): Update.
1302         * cfglayout.c (line_locators_locs, line_locators_lines,
1303         file_locators_locs, file_locators_files): Remove.
1304         (set_block_levels): Move to cfgexpand.c.
1305         (insn_locators_initialize): Remove.
1306         (pass_insn_locators_initialize): Remove.
1307         (locations_locators_locs, locations_locators_vals): New static vars.
1308         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
1309         Likewise.
1310         (insn_locators_alloc, insn_locators_finalize,
1311         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1312         New functions.
1313         (locator_location): New.
1314         (locator_line, locator_file): Rewrite.
1315         * rtl.h (emit_line_note): Kill.
1316         (insn_locators_alloc, insn_locators_finalize,
1317         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1318         Declare.
1319         * tree-inline.c (initialize_cfun): Do not initialize
1320         ib_boundaries_block.
1321         * passes.c (pass_insn_locators_initialize): Remove.
1322
1323 2007-04-24  Daniel Franke  <franke.daniel@gmail.com>
1324
1325         * doc/invoke.texi: Removed leading '-' from option index entries.
1326
1327 2007-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
1328
1329         * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
1330         Use phi_nodes_ptr.
1331         (create_phi_node): Use set_phi_nodes.
1332         * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
1333         * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
1334         (combine_blocks):  Use bb_stmt_list and set_bb_stmt_list.
1335         * tree-flow-inline.h (phi_nodes, set_phi_nodes,
1336         (bsi_start, bsi_last): Use bb_stmt_list.
1337         (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
1338         * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
1339         Traverse the statements using tsi iterator.
1340         * basic-block.h (struct basic_block_def): Fields stmt_list
1341         and phi_nodes moved to ...
1342         (struct tree_bb_info): ... new structure.
1343         * tree-cfg.c (create_bb): Allocate il.tree.  Use set_bb_stmt_list.
1344         (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
1345         (remove_bb): Handle blocks with NULL stmt list.  Clear il.tree field.
1346         (tree_verify_flow_info): Verify that il.tree is not set for
1347         entry and exit block.
1348         (tree_split_block): Use set_bb_stmt_list.
1349
1350 2007-04-23  Mike Stump  <mrs@apple.com>
1351
1352         * config/i386/i386.c (ix86_tune_features
1353         [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
1354         nocona and core2.
1355
1356 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
1357
1358         * config/i386/i386.md (prefix_extra): New attribute.
1359         (length): Add prefix_extra.
1360
1361         * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
1362         (sse2_movntv2di): Likewise.
1363         (sse2_cvtps2dq): Likewise.
1364         (sse2_cvtpd2pi): Likewise.
1365         (sse2_cvttpd2pi): Likewise.
1366         (*sse2_cvtpd2ps): Likewise.
1367         (*add<mode>3): Likewise.
1368         (sse2_ssadd<mode>3): Likewise.
1369         (sse2_usadd<mode>3): Likewise.
1370         (*sub<mode>3): Likewise.
1371         (sse2_sssub<mode>3): Likewise.
1372         (sse2_ussub<mode>3): Likewise.
1373         (*mulv8hi3): Likewise.
1374         (*smulv8hi3_highpart): Likewise.
1375         (*umulv8hi3_highpart): Likewise.
1376         (sse2_umulv2siv2di3): Likewise.
1377         (sse2_pmaddwd): Likewise.
1378         (ashr<mode>3): Likewise.
1379         (lshr<mode>3): Likewise.
1380         (ashl<mode>3): Likewise.
1381         (sse2_ashlti3): Likewise.
1382         (sse2_lshrti3): Likewise.
1383         (*umaxv16qi3): Likewise.
1384         (*smaxv8hi3): Likewise.
1385         (*uminv16qi3): Likewise.
1386         (*sminv8hi3): Likewise.
1387         (sse2_eq<mode>3): Likewise.
1388         (sse2_gt<mode>3): Likewise.
1389         (*and<mode>3): Likewise.
1390         (sse2_nand<mode>3): Likewise.
1391         (*ior<mode>3): Likewise.
1392         (*xor<mode>3): Likewise.
1393         (sse2_packsswb): Likewise.
1394         (sse2_packssdw): Likewise.
1395         (sse2_packuswb): Likewise.
1396         (sse2_punpckhbw): Likewise.
1397         (sse2_punpcklbw): Likewise.
1398         (sse2_punpckhwd): Likewise.
1399         (sse2_punpcklwd): Likewise.
1400         (sse2_punpckhdq): Likewise.
1401         (sse2_punpckldq): Likewise.
1402         (sse2_punpckhqdq): Likewise.
1403         (sse2_punpcklqdq): Likewise.
1404         (*sse2_pinsrw): Likewise.
1405         (*sse2_pextrw): Likewise.
1406         (sse2_pshufd_1): Likewise.
1407         (sse2_uavgv16qi3): Likewise.
1408         (sse2_uavgv8hi3): Likewise.
1409         (sse2_psadbw): Likewise.
1410         (sse2_pmovmskb): Likewise.
1411         (*sse2_maskmovdqu): Likewise.
1412         (*sse2_maskmovdqu_rex64): Likewise.
1413         (sse4a_extrqi): Likewise.
1414         (sse4a_extrq): Likewise.
1415         (sse3_lddqu): Set prefix_rep.
1416         (sse3_addsubv4sf3): Likewise.
1417         (sse3_haddv4sf3): Likewise.
1418         (sse3_hsubv4sf3): Likewise.
1419         (sse_cvtss2si): Likewise.
1420         (sse_cvtss2si_2): Likewise.
1421         (sse_cvtss2siq): Likewise.
1422         (sse_cvtss2siq_2): Likewise.
1423         (sse_cvttss2si): Likewise.
1424         (sse_cvttss2siq): Likewise.
1425         (sse2_cvttps2dq): Likewise.
1426         (sse3_movshdup): Likewise.
1427         (sse3_movsldup): Likewise.
1428         (sse2_cvtsd2si): Likewise.
1429         (sse2_cvtsd2si_2): Likewise.
1430         (sse2_cvtsd2siq): Likewise.
1431         (sse2_cvtsd2siq_2): Likewise.
1432         (sse2_cvttsd2si): Likewise.
1433         (sse2_cvttsd2siq): Likewise.
1434         (*sse2_cvtpd2dq): Likewise.
1435         (*sse2_cvttpd2dq): Likewise.
1436         (sse2_pshuflw_1): Likewise.
1437         (sse2_pshufhw_1): Likewise.
1438         (sse4a_insertqi): Likewise.
1439         (sse4a_insertq): Likewise.
1440         (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
1441         (ssse3_phadddv4si3): Likewise.
1442         (ssse3_phaddswv8hi3): Likewise.
1443         (ssse3_phsubwv8hi3): Likewise.
1444         (ssse3_phsubdv4si3): Likewise.
1445         (ssse3_phsubswv8hi3): Likewise.
1446         (ssse3_pmaddubswv8hi3): Likewise.
1447         (ssse3_pmulhrswv8hi3): Likewise.
1448         (ssse3_pshufbv16qi3): Likewise.
1449         (ssse3_psign<mode>3): Likewise.
1450         (ssse3_palignrti): Likewise.
1451         (abs<mode>2): Likewise.
1452         (ssse3_phaddwv4hi3): Set prefix_extra.
1453         (ssse3_phadddv2si3): Likewise.
1454         (ssse3_phaddswv4hi3): Likewise.
1455         (ssse3_phsubwv4hi3): Likewise.
1456         (ssse3_phsubdv2si3): Likewise.
1457         (ssse3_phsubswv4hi3): Likewise.
1458         (ssse3_pmaddubswv4hi3): Likewise.
1459         (ssse3_pmulhrswv4hi3): Likewise.
1460         (ssse3_pshufbv8qi3): Likewise.
1461         (ssse3_psign<mode>3): Likewise.
1462         (ssse3_palignrdi): Likewise.
1463         (abs<mode>2): Likewise.
1464         (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
1465         (*vec_dupv2df): Set mode to V2DF instead of V4SF.
1466         (sse2_pmovmskb): Set mode to SI instead of V2DF.
1467
1468 2007-04-23  Nick Clifton  <nickc@redhat.com>
1469
1470         * params.def: Fix formatting of emacs local variables.
1471
1472 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
1473
1474         * config/i386/sse.md (sse2_stored): Don't split to inter-unit
1475         move if inter-unit move isn't allowed.
1476         Don't split moving the first element of V2DI to DI to inter-unit
1477         move if inter-unit move isn't allowed.
1478
1479 2007-04-23  Richard Guenther  <rguenther@suse.de>
1480
1481         * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
1482         and CDI_POST_DOMINATORS separately.
1483
1484 2007-04-23  Nick Clifton  <nickc@redhat.com>
1485
1486         * c.opt (Wformat-contains-nul): Add warning attribute.
1487
1488 2007-04-23  Jan Hubicka  <jh@suse.cz>
1489
1490         * function.c (init_function_start): Don't init line number info.
1491         (expand_function_end): Update.
1492         (reset_block_changes, record_block_change, finalize_block_changes,
1493         check_block_change, free_block_changes): Kill.
1494         * function.h (reset_block_changes, record_block_change,
1495         finalize_block_changes, check_block_change, free_block_changes): Remove
1496         prototypes.
1497         (struct function): Remove ib_boundaries_block.
1498         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
1499         Use curr_insn_locator to initialize locator.
1500         (emit_line_note): Remove.
1501         * cfgexpand.c (expand_gimple_cond_expr): Update.
1502         (construct_exit_block): Likewise.
1503         (tree_expand_cfg): Initialize/finalize locators.
1504         * expr.c (expand_expr_real): Update.
1505         * cfglayout.c (line_locators_locs, line_locators_lines,
1506         file_locators_locs, file_locators_files): Remove.
1507         (set_block_levels): Move to cfgexpand.c.
1508         (insn_locators_initialize): Remove.
1509         (pass_insn_locators_initialize): Remove.
1510         (locations_locators_locs, locations_locators_vals): New static vars.
1511         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
1512         Likewise.
1513         (insn_locators_alloc, insn_locators_finalize,
1514         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1515         New functions.
1516         (locator_location): New.
1517         (locator_line, locator_file): Rewrite.
1518         * rtl.h (emit_line_note): Kill.
1519         (insn_locators_alloc, insn_locators_finalize,
1520         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1521         Declare.
1522         * tree-inline.c (initialize_cfun): Do not initialize
1523         ib_boundaries_block.
1524         * passes.c (pass_insn_locators_initialize): Remove.
1525
1526 2007-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1527
1528         PR middle-end/31448
1529         * expr.c (reduce_to_bit_field_precision): Handle
1530         CONST_INT rtx's.
1531
1532 2007-04-22  Uros Bizjak  <ubizjak@gmail.com>
1533
1534         PR tree-optimization/24659
1535         * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
1536         OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
1537         (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
1538         * genopinit.c (optabs): Rename vec_pack_mod_optab
1539         to vec_pack_trunc_optab.
1540         * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
1541         early for scalar floating point operands for NOP_EXPR.
1542         (vectorizable_type_promotion): Ditto.
1543         * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
1544         vec_pack_trunc_optab.
1545         (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
1546
1547         * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
1548         * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
1549         Rename from VEC_PACK_MOD_EXPR.
1550         (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
1551         * expr.c (expand_expr_real_1): Ditto.
1552         * tree-inline.c (estimate_num_insns_1): Ditto.
1553         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
1554
1555         * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
1556         (vec_unpacks_lo_v4sf): Ditto.
1557         (vec_pack_trunc_v2df): Ditto.
1558         (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
1559         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
1560         (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
1561
1562         * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
1563         vec_pack_mod_v8hi.
1564         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
1565
1566         * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
1567         Rename from VEC_PACK_MOD_EXPR.  This expression also represent
1568         packing of floating point operands.
1569         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
1570         represent unpacking of floating point operands.
1571         * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
1572         [vec_unpacks_hi]: Ditto.
1573         [vec_unpacks_lo]: Ditto.
1574
1575 2007-04-22  Jan Hubicka  <jh@suse.cz>
1576
1577         * final.c (rest_of_handle_final): Call
1578         targetm.asm_out.constructor/targetm.asm_out.destructor
1579         * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
1580         proper priority via decl_*_priority_insert.
1581         * c-common.c (c_expand_body): Likewise.
1582
1583 2007-04-22  Richard Guenther  <rguenther@suse.de>
1584
1585         PR tree-optimization/29789
1586         * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
1587         (rewrite_reciprocal): New helper split out from
1588         determine_invariantness_stmt.
1589         (rewrite_bittest): Likewise.
1590         (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
1591         A & (1 << B) if (1 << B) is loop invariant but (A >> B)
1592         is not.
1593
1594 2007-04-22  Revital Eres  <eres@il.ibm.com>
1595
1596         * loop-unroll.c (var_to_expand): New field to support also
1597         insns of the form x = something + x.
1598         (analyze_insn_to_expand_var): Use it.
1599         (expand_var_during_unrolling): Likewise.
1600
1601 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
1602
1603         * predict.c: Include pointer-set.h.
1604         (bb_predictions): New variable.
1605         (tree_predicted_by_p, tree_predict_edge,
1606         remove_predictions_associated_with_edge): Use bb_predictions map
1607         instead of bb->predictions.
1608         (clear_bb_predictions, assert_is_empty): New functions.
1609         (combine_predictions_for_bb): Use bb_predictions map.  Call
1610         clear_bb_predictions.
1611         (tree_estimate_probability): Create and free bb_predictions map.
1612         * Makefile.in (predict.o): Add pointer-set.h dependency.
1613         * basic-block.h (struct basic_block_def): Remove predictions
1614         field.
1615         * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
1616
1617 2007-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
1618
1619         PR target/31480
1620         * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
1621         is null.
1622
1623 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1624
1625         * timevar.c (timevar_print): Change reference of --disable-checking to
1626         --enable-checking=release.  Also warn if assert checking is disabled.
1627
1628 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1629
1630         PR C/30265
1631         * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
1632         decl as addressable if the compound literal was marked as
1633         addressable.
1634         Mark the decl as a gimple register if it is a complex or
1635         vector decl and does not live in memory.
1636
1637 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1638
1639         * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
1640         (GENERIC_NEXT): New function macro.
1641         (PHI_CHAIN): Use phi_node's new chain variable.
1642         (tree_phi_node): Change tree_common to tree_base
1643         and add the chain field.
1644         * tree-phinodes.c (make_phi_node): Don't set
1645         TREE_TYPE on the new node.
1646         * c-decl.c (lang_tree_node): Use GENERIC_NEXT
1647         instead of checking GIMPLE_TUPLE_P in chain_next.
1648         * tree-vect-transform.c
1649         (get_initial_def_for_induction): Look at
1650         PHI_RESULT_TREE for the type of the phi node.
1651         (update_vuses_to_preheader): Use PHI_CHAIN
1652         instead of TREE_CHAIN on the phi node.
1653         * tree-ssa-structalias.c (compute_points_to_sets):
1654         Likewise.
1655         (ipa_pta_execute): Likewise.
1656
1657 2007-04-21  Richard Guenther  <rguenther@suse.de>
1658
1659         PR middle-end/31136
1660         * fold-const.c (fold_unary): Call fold_convert_const on the
1661         original tree.
1662
1663 2007-04-21  Alexandre Oliva  <aoliva@redhat.com>
1664
1665         * gcse.c (store_killed_in_insn): Handle PARALLELs.
1666         (store_killed_in_pat): New.
1667
1668 2007-04-20  Richard Henderson  <rth@redhat.com>
1669
1670         PR target/31628
1671         * config/i386/i386.c (type_has_variadic_args_p): Look for any
1672         TREE_LIST with a void_type_node value, not void_list_node exactly.
1673
1674 2007-04-21  Douglas Gregor  <doug.gregor@gmail.com>
1675
1676         * doc/standards.texi: Re-arrange into language-specific
1677         subsections. Add a C++ section, documenting which standards we
1678         support.
1679
1680 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
1681
1682         * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
1683         * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
1684
1685 2007-04-20  Daniel Jacobowitz  <dan@codesourcery.com>
1686
1687         * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
1688         ecrti.o and crtbegin.o.
1689         (LIB_DEFAULT_SPEC): Include -lc.
1690         (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
1691
1692 2007-04-20  Richard Henderson  <rth@redhat.com>
1693
1694         PR target/28623
1695         * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
1696         argument; update all callers.
1697         (get_unaligned_offset): New.
1698         * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
1699         get_unaligned_address, just pass on the address directly.
1700         (unaligned_extendqidi): Use gen_lowpart instead of open-coding
1701         the subreg in the helper patterns.
1702         (unaligned_extendqidi_le): Use get_unaligned_offset.
1703         (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
1704         (unaligned_extendhidi_be): Likewise.
1705         (unaligned_extendhidi): Tidy.
1706         * config/alpha/alpha-protos.h: Update.
1707
1708 2007-04-20  Richard Henderson  <rth@redhat.com>
1709
1710         * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
1711         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
1712         * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
1713         * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1714         * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1715         (CPP_SPEC): Don't include %(cpp_subtarget).
1716         * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
1717         (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1718         * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
1719
1720 2007-04-20  Jakub Jelinek  <jakub@redhat.com>
1721
1722         * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
1723         for __builtin_ia32_cmpordss.
1724
1725         PR tree-optimization/31632
1726         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
1727         and arg1 for optimizations of comparison against min/max values.
1728         Fold arg0 to arg1's type for optimizations of comparison against
1729         min+1 and max-1 values.
1730
1731 2007-04-19  Bernd Schmidt  <bernd.schmidt@analog.com>
1732
1733         * reload.c (combine_reloads): When trying to use a dying register,
1734         check whether it's uninitialized and don't use if so.
1735
1736 2007-04-19  Brooks Moses  <brooks.moses@codesourcery.com>
1737
1738         * fold-const.c: Remove prototypes for native_encode_expr and
1739         native_interpret_expr.
1740         (native_encode_expr): Make non-static.
1741         (native_interpret_expr): Likewise.
1742         * tree.h: Add prototypes for the above.
1743
1744 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
1745
1746         * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
1747         *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
1748         *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
1749         spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
1750         tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
1751         Add length attributes.
1752
1753 2007-04-19  Janis Johnson  <janis187@us.ibm.com>
1754
1755         * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
1756         not that it is 1.
1757
1758         * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
1759         __STDC_WANT_DEC_FP__.
1760
1761 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
1762
1763         * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
1764         for long double compatibility.
1765         * configure: Regenerate.
1766
1767 2007-04-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
1768
1769         PR rtl-optimization/29841
1770         * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
1771         trap instructions.
1772         * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
1773         that may cause control flow transfer from being moved.
1774
1775 2007-04-18  Jan Hubicka  <jh@suse.cz>
1776
1777         * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
1778         types.
1779
1780 2007-04-18  Eric Christopher  <echristo@apple.com>
1781
1782         * config/rs6000/darwin.md (load_macho_picbase): Use link register
1783         only. Update operands.
1784         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
1785         * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
1786         link register to pic register.
1787
1788 2007-04-18  Dirk Mueller  <dmueller@suse.de>
1789
1790         PR diagnostic/31227
1791         * tree-vrp.c (search_for_addr_array): New.
1792         (check_array_bounds): Suppress warning about
1793         address taken of array refs if its not de-referenced.
1794
1795 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1796
1797         * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
1798         * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
1799
1800         * tree-vectorizer.h (NITERS_KNOWN_P): New.
1801         * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
1802         instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
1803
1804         * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
1805         dump print.
1806         (vect_analyze_operations): Fix indenetation.  Fix a comment.  Fix a
1807         print message.
1808         (vect_analyze_scalar_cycles): Fix indentation.
1809         (vect_enhance_data_refs_alignment): Fix check in case of peeling.
1810         (vect_mark_relevant): Include phis in relevance analysis.
1811
1812         * tree-vect-transform.c (vect_transform_loop): Add an assert.
1813
1814 2007-04-18  Anatoly Sokolov <aesok@post.ru>
1815
1816         * config/avr/avr.c (ptrreg_to_str): Replace error() with
1817         output_operand_lossage().
1818
1819 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1820
1821         * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
1822         the unused code for reduction without adjust-in-epilog to simplify the
1823         function.
1824
1825 2007-04-18  Wolfgang Gellerich  <gellerich@de.ibm.com>
1826
1827         * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
1828         (S390_TDC_NEGATIVE_ZERO): New constant.
1829         (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
1830         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
1831         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
1832         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
1833         (S390_TDC_POSITIVE_INFINITY): New constant.
1834         (S390_TDC_NEGATIVE_INFINITY): New constant.
1835         (S390_TDC_POSITIVE_QUIET_NAN): New constant.
1836         (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
1837         (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
1838         (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
1839         (S390_TDC_INFINITY): New constant.
1840         * config/s390/s390.c (s390_canonicalize_comparison): Renamed
1841         UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
1842         optimization for UNSPEC_CCZ_TO_INT.
1843         * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
1844         ("*ccz_to_int"): New insn.
1845         ("isinf<mode>2"): New insn.
1846         (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
1847         (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
1848         (UNSPEC_CCZ_TO_INT): New constant.
1849
1850 2007-04-18  Richard Guenther  <rguenther@suse.de>
1851
1852         PR tree-optimization/19431
1853         PR tree-optimization/21463
1854         * tree-pass.h (pass_phiprop): Declare.
1855         * passes.c (init_optimization_passes): New phiprop pass.
1856         * tree-ssa-forwprop.c (struct phiprop_d): New structure.
1857         (phivn_valid_p): New helper function.
1858         (phiprop_insert_phi): Likewise.
1859         (propagate_with_phi): Likewise.
1860         (tree_ssa_phiprop): New propagator propagating loads
1861         through phi nodes if profitable.
1862
1863 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1864
1865         * tree-vect-analyze.c (process_use): New function.
1866         (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
1867         Check phis in all bbs.
1868         * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
1869         assert.
1870
1871 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
1872
1873         * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
1874         we use REG_EQUAL.
1875
1876 2007-04-17  Anatoly Sokolov <aesok@post.ru>
1877
1878         PR target/30483
1879         * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
1880         error().
1881
1882 2007-04-17  H.J. Lu  <hongjiu.lu@intel.com>
1883
1884         * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
1885         on "0".
1886         (sse_vmmulv4sf3): Likewise.
1887         (sse2_vmaddv2df3): Likewise.
1888         (sse2_vmmulv2df3): Likewise.
1889
1890 2007-04-17  Zdenek Dvorak  <dvorakz@suse.cz>
1891
1892         PR rtl-optimization/31360
1893         * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
1894         (target_reg_cost): New.
1895         (init_set_costs): Initialize target_reg_cost.  Add comments
1896         regarding the rationale of the costs.
1897         (global_cost_for_size): Renamed to...
1898         (estimate_reg_pressure_cost): ... and simplify.  Decrease importance
1899         of register pressure.
1900         * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
1901         estimate_reg_pressure_cost.  Add number of ivs.
1902         (determine_set_costs): Dump target_reg_cost.
1903         * loop-invariant.c (gain_for_invariant):  Use
1904         estimate_reg_pressure_cost.  Removed n_inv_uses argument.
1905         (best_gain_for_invariant, find_invariants_to_move): Remove
1906         n_inv_uses.
1907         * cfgloop.h (target_small_cost, target_pres_cost): Removed.
1908         (target_reg_cost): Declare.
1909         (global_cost_for_size): Declaration removed.
1910         (estimate_reg_pressure_cost): Declare.
1911
1912 2007-04-17  Peter Bergner  <bergner@vnet.ibm.com>
1913
1914         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
1915         regnos into even/odd register pairs.
1916         * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
1917         TDmode similar to the other floating point modes.
1918         [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
1919         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
1920         define_expand's.
1921         (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
1922         nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
1923         (movdd_hardfloat64): Use TARGET_MFPGPR.
1924
1925 2007-04-17  Bernd Schmidt  <bernd.schmidt@analog.com>
1926
1927         * reload1.c (delete_output_reload): Don't count output in n_inherited.
1928
1929         Revert
1930         2005-01-05  Richard Henderson  <rth@redhat.com>
1931         PR rtl-opt/10692
1932         * reload1.c (do_input_reload): Restrict the optimization deleteing
1933         a previous output reload to RELOAD_FOR_INPUT.
1934
1935 2007-04-17  Dorit Nuzman  <dorit@il.ibm.com>
1936
1937         * tree-vectorizer.h (stmt_vec_info_type): Add enum value
1938         induc_vec_info_type.
1939         (vectorizable_induction): New function declaration.
1940         * tree-vect-transform.c (get_initial_def_for_induction): No need to
1941         check if already vectorized.  Find first place in BB where new stmts
1942         can be inserted.  Takes only one argument.
1943         (vectorizable_induction): New function.
1944         (vect_transform_stmt): Add case for induc_vec_info_type to call
1945         vectorizable_induction.
1946         (vect_transform_loop): Consider phis for vectorization.
1947         * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
1948         condition.
1949         (analyze_operations): Call vectorizable_induction when analyzing phis.
1950         Fix comment.
1951         (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
1952         (vect_mark_relevant): Include phis in relevance analysis.
1953         (vect_mark_stmts_to_be_vectorize): Likewise.
1954         * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
1955
1956 2007-04-16  Lawrence Crowl  <crowl@google.com>
1957
1958         * doc/invoke.texi (Debugging Options): Add documentation for the
1959         -femit-struct-debug options -femit-struct-debug-baseonly,
1960         -femit-struct-debug-reduced, and
1961         -femit-struct-debug-detailed[=...].
1962
1963         * c-opts.c (c_common_handle_option): Add
1964         OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
1965         and OPT_femit_struct_debug_detailed_.
1966         * c.opt: Add specifications for
1967         -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
1968         and -femit-struct-debug-detailed[=...].
1969         * opts.c (set_struct_debug_option): Parse the
1970         -femit-struct-debug-... options.
1971         * opts.c (matches_main_base, main_input_basename,
1972         main_input_baselength, base_of_path, matches_main_base): Add
1973         variables and functions to compare header base name to compilation
1974         unit base name.
1975         * opts.c (should_emit_struct_debug): Add to determine to emit a
1976         structure based on the option.
1977         (dump_struct_debug) Also disabled function to debug this
1978         function.
1979         * opts.c (handle_options): Save the base name of the
1980         compilation unit.
1981
1982         * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
1983         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
1984         This hook indicates if a type is generic.  Set it by default
1985         to "never generic".
1986         * langhooks.h (struct lang_hooks_for_types): Add a new hook
1987         to determine if a struct type is generic or not.
1988         * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
1989         * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
1990         * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
1991         with live C++ hook.
1992
1993         * flags.h (enum debug_info_usage): Add an enumeration to describe
1994         a program's use of a structure type.
1995         * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
1996         to indicate the program's usage of the type.  Filter structs based
1997         on the -femit-struct-debug-... specification.
1998         (gen_type_die): Split into two routines, gen_type_die and
1999         gen_type_die_with_usage.  gen_type_die is now a wrapper
2000         that assumes direct usage.
2001         (gen_type_die_with_usage): Replace calls to gen_type_die
2002         with gen_type_die_with_usage adding the program usage of
2003         the referenced type.
2004         (dwarf2out_imported_module_or_decl): Suppress struct debug
2005         information using should_emit_struct_debug when appropriate.
2006
2007 2007-04-16  Ian Lance Taylor  <iant@google.com>
2008
2009         PR tree-optimization/31522
2010         * tree-vrp.c (vr_phi_edge_counts): New static variable.
2011         (vrp_initialize): Allocate vr_phi_edge_counts.
2012         (vrp_visit_phi_node): Don't push to infinity if we saw a new
2013         executable edge.  Drop test for all constants.
2014         (vrp_finalize): Free vrp_phi_edge_counts.
2015
2016         * doc/cpp.texi (Common Predefined Macros): Clarify description of
2017         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
2018
2019         * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
2020         predecessors at head rather than tail.
2021
2022 2007-04-16  Matthias Klose  <doko@debian.org>
2023
2024         * config/alpha/linux.h (CPP_SPEC): Define.
2025         * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
2026
2027 2007-04-16  Aldy Hernandez  <aldyh@redhat.com>
2028
2029         * function.h: Remove sequence_stack extern declaration.
2030
2031 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
2032
2033         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
2034         TARGET_FIDOA.
2035         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
2036         defined.
2037
2038 2007-04-16  Anatoly Sokolov <aesok@post.ru>
2039
2040         * config/avr/avr.c (avr_arch_types): Rearranging  array.
2041         (enum avr_arch): Add.
2042         (avr_mcu_types): Use avr_arch enumeration constants instead of
2043         numbers.
2044         * config/avr/avr.h (LINK_SPEC): Simplify.
2045
2046 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
2047
2048         * config/m68k/m68k.c (m68k_libcall_value,
2049         m68k_function_value): Use macros for register names more.
2050
2051         * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
2052         instead.
2053         (M68K_REGNAME): Use A6_REG.
2054         * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
2055
2056 2007-04-16  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2057
2058         PR middle-end/28071
2059         * sched-int.h (struct deps): Split field 'pending_lists_length' into
2060         'pending_read_list_length' and 'pending_write_list_length'.  Update
2061         comment.
2062         * sched-deps.c (add_insn_mem_dependence): Change signature.  Update
2063         to handle two length counters instead of one.  Update all uses.
2064         (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
2065         two length counters instead of one.
2066         * sched-rgn.c (propagate_deps): Update to handle two length counters
2067         instead of one.
2068
2069 2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>
2070
2071         PR target/31582
2072         * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
2073         copy of source, pass it to ix86_expand_vector_set and return
2074         it as target.
2075
2076 2007-04-16  David Ung  <davidu@mips.com>
2077             Joseph Myers  <joseph@codesourcery.com>
2078
2079         * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
2080         PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
2081         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
2082         Add 74K processor information.
2083         * config/mips/mips.md: Include 74k.md.
2084         (cpu): Add 74kc,74kf,74kx.
2085         (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
2086         * config/mips/74k.md: New.
2087         * doc/invoke.texi (MIPS Options): Document 74K support.
2088
2089 2007-04-16  Dorit Nuzman  <dorit@il.ibm.com>
2090
2091         * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
2092         vectorizable_* functions.
2093         * tree-vect-transform.c (vectorizable_call): Add check for
2094         STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
2095         (vectorizable_store): likewise.
2096         (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
2097         Add comments.
2098         (vectorizable_operation, vectorizable_type_demotion): Likewise.
2099         (vectorizable_type_promotion, vectorizable_load): Likewise.
2100         (vectorizable_live_operation, vectorizable_condition): Likewise.
2101         (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
2102         STMT_VINFO_LIVE_P.
2103         (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
2104
2105 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
2106
2107         * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
2108         register numbers more.
2109         * config/m68k/m68k.h (STACK_POINTER_REGNUM,
2110         FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
2111         M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
2112         FUNCTION_VALUE_REGNO_P): Likewise.
2113         * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
2114         STATIC_CHAIN_REGNUM): Likewise.
2115         * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
2116         * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
2117         STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
2118         * config/m68k/m68k.md (FP_REG): New.
2119
2120 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
2121
2122         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
2123         alignment on fido.
2124
2125 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
2126
2127         * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
2128         tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
2129         comment typos.
2130
2131 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
2132
2133         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
2134         cold loops.
2135
2136 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2137
2138         PR c/31520
2139         * c-decl.c (finish_decl): Grab the type of the decl after the call
2140         to store_init_value.
2141
2142 2007-04-14  Steven Bosscher  <steven@gcc.gnu.org>
2143
2144         * common.opt (fforward-propagate): Fix "Optimization" annotation.
2145
2146 2007-04-14  Jakub Jelinek  <jakub@redhat.com>
2147
2148         PR c++/25874
2149         * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
2150         post dominators and cleanup cfg before returning.
2151
2152 2007-04-14  Bernd Schmidt  <bernd.schmidt@analog.com>
2153
2154         * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
2155         * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
2156
2157 2007-04-14  Kazu Hirata  <kazu@codesourcery.com>
2158
2159         * config.gcc: Recognize fido.
2160         * config/m68k/m68k-devices.def (fidoa): New.
2161         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
2162         __mfido__.
2163         (FL_FIDOA, TARGET_FIDOA): New.
2164         * config/m68k/m68k.opt (mfidoa): New.
2165
2166 2007-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2167
2168         PR middle-end/31322
2169         * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
2170         when a personality function is used.
2171
2172 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
2173
2174         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
2175
2176 2007-04-13  Mike Stump  <mrs@apple.com>
2177
2178         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
2179         we can...
2180         * config/darwin.opt (fapple-kext): Make C++ only.
2181         * config/darwin.c (darwin_override_options): Remove code to ensure
2182         -fapple-kext is given for C++ only.
2183
2184 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
2185
2186         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
2187         * config/mips/mips.c (override_options): Call
2188         SUBTARGET_OVERRIDE_OPTIONS, if defined.
2189
2190 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
2191
2192         * config/i386/i386.opt (msvr3-shlib): Removed.
2193
2194         * doc/invoke.texi: Remove -msvr3-shlib.
2195
2196 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
2197
2198         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
2199         with "popcnt" instruction.
2200
2201 2007-04-13  Richard Guenther  <rguenther@suse.de>
2202
2203         PR tree-optimization/21258
2204         * tree-vrp.c (compare_case_labels): New helper.
2205         (find_switch_asserts): New function.
2206         (find_assert_locations): Call it for SWITCH_EXPRs.
2207
2208 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
2209
2210         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
2211         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
2212         check is now implied in X87_FLOAT_MODE_P.
2213         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
2214         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
2215         (fix_trunc<mode>_i386_fisttp): Ditto.
2216         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
2217         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
2218         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
2219         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
2220         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
2221         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
2222         (unnamed_splitters): Ditto.
2223         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
2224         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
2225         FIRST_SSE_REG for local functions when SSE math is enabled or
2226         for functions with sseregparm attribute.
2227         (standard_80387_constant_p): Return -1 if mode is not
2228         X87_FLOAT_MODE_P.
2229         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
2230         (ix86_expand_compare): Ditto.
2231         (ix86_expand_carry_flag_compare): Ditto.
2232         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
2233         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
2234         DECIMAL_FLOAT_MODE_P.
2235         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
2236         of SCALAR_FLOAT_MODE_P.
2237         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
2238         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
2239         checks before FLOAT_MODE_P.
2240         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
2241         before FLOAT_MODE_P.
2242         [DIV]: Ditto.
2243         [NEG]: Ditto.
2244         [ABS]: Ditto.
2245         [SQRT]: Ditto.
2246         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
2247
2248 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
2249             Charles Wilson  <libtool@cwilson.fastmail.fm>
2250
2251         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
2252         (libgcc.mvars): Don't depend on them.
2253         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
2254         * exec-tool.in: New.
2255
2256 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
2257
2258         * doc/invoke.text (--help): Document --help=common.
2259
2260 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
2261
2262         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
2263
2264 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2265
2266         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
2267         * genemit.c (main): Emit #include "integrate.h".
2268         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
2269         (LOADGP_RTP): New mips_loadgp_style.
2270         * config/mips/mips.h: Include config/vxworks-dummy.h.
2271         (TARGET_RTP_PIC): New macro.
2272         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
2273         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
2274         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
2275         for TARGET_RTP_PIC.
2276         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
2277         -mvxworks-pic when using -mrtp and a PIC option.
2278         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
2279         for RTP PIC.
2280         (mips_symbolic_constant_p, mips_symbolic_address_p)
2281         (mips_symbol_insns): Handle SYMBOL_HALF.
2282         (override_options): Warn about -G and -mrtp being used together.
2283         Initialize mips_lo_relocs[SYMBOL_HALF].
2284         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
2285         (mips_emit_loadgp): Handle LOADGP_RTP.
2286         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
2287         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
2288         (tablejump): Handle function-relative case table entries if
2289         TARGET_RTP_PIC.
2290         * config/mips/predicates.md (symbol_ref_operand): New predicate.
2291
2292 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2293
2294         * config/mips/mips.md (load_call<mode>): Allow any general register.
2295         destination.
2296         (sibcall_value_internal, sibcall_value_multiple_internal)
2297         (call_value_internal, call_value_split, call_value_multiple_internal)
2298         (call_value_multiple_split): Remove constraints from operand 0.
2299
2300 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2301
2302         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
2303         rather than loadgp_noshared.
2304         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
2305         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
2306         gen_loadgp.
2307         * config/mips/mips.md (loadgp): Rename to...
2308         (loadgp_newabi): ...this.
2309         (loadgp_noshared): Rename to...
2310         (loadgp_absolute): ...this.
2311
2312 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2313
2314         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
2315         false for locally-binding symbols.
2316         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
2317
2318 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2319
2320         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
2321         (SYMBOL_GOT_PAGE_OFST): ...this.
2322         (SYMBOL_GOT_GLOBAL): Rename to...
2323         (SYMBOL_GOT_DISP): ...this.
2324         (SYMBOL_GOTOFF_GLOBAL): Rename to...
2325         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
2326         * config/mips/mips.c (mips_global_symbol_p): New function.
2327         (mips_symbol_binds_local_p): Likewise.
2328         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
2329         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use mips_global_symbol_p
2330         and mips_symbol_binds_local_p.
2331         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
2332         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
2333         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
2334         SYMBOL_GOTOFF_DISP.
2335         (mips_ok_for_lazy_binding_p): New function.
2336         (mips_load_call_address, mips_expand_call): Use it.
2337         (mips_dangerous_for_la25_p): Likewise.
2338         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
2339         (*got_disp<mode>): Use got_disp_operand instead of
2340         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
2341         SYMBOL_GOTOFF_GLOBAL.
2342         (*got_page<mode>): Use got_page_ofst_operand instead of
2343         local_got_operand.
2344         * config/mips/predicates.md (const_call_insn_operand): Use
2345         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
2346         (global_got_operand): Rename to...
2347         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
2348         SYMBOL_GOT_GLOBAL.
2349         (local_got_operand): Rename to...
2350         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
2351         of SYMBOL_GOT_LOCAL.
2352
2353 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2354
2355         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
2356         TARGET_CALL_CLOBBERED_GP.
2357         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2358         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
2359         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
2360         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
2361         of TARGET_ABICALLS && !TARGET_NEWABI.
2362         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2363         * config/mips/mips.c (mips_load_call_address): Check
2364         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
2365         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2366         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
2367         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
2368         TARGET_ABICALLS && TARGET_NEWABI.
2369         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
2370         TARGET_ABICALLS.
2371         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
2372         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
2373         TARGET_ABICALLS && TARGET_NEWABI.
2374         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
2375         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
2376         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
2377         whether indirect calls must use $25.
2378         (mips_extra_live_on_entry): Check TARGET_GOT instead of
2379         TARGET_ABICALLS.
2380         * config/mips/mips.md (jal_macro): Check flag_pic and
2381         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
2382         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
2383         instead of TARGET_ABICALLS.
2384         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
2385         TARGET_ABICALLS && TARGET_OLDABI.
2386         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2387         (sibcall): In the comment above the define_insn, mention
2388         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
2389         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
2390         instead of TARGET_ABICALLS.
2391
2392 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
2393
2394         * doc/md.texi (Blackfin family constraints): Document PA and PB.
2395         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
2396         (MACFLAGS_MATCH_P): New macro.
2397         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
2398         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
2399         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
2400         the other MACFLAG constants.
2401         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
2402         (flag_machi): Tighten constraints.  Renumber some of the operands.
2403         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
2404         output template.
2405         (flag_machi_parts_acconly): New pattern.
2406         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
2407         used.
2408         (flag_macinit1hi): Tighten constraints.
2409         (flag_mul_macv2hi_parts_acconly): New pattern.
2410
2411         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
2412         Use a more efficient implementation.
2413         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
2414         inline sequences when not optimizing for size.
2415
2416         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
2417         movhi_high2low): Delete, merge functionality into...
2418         (packv2hi): ... this pattern.
2419
2420         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
2421         * config/bfin/bfin.opt (msim): New option.
2422         (mcpu=): New option.
2423         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
2424         (bfin_cpu_t): Typedef of enum bfin_cpu.
2425         (bfin_cpu_type): New declaration.
2426         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
2427         -msim and -mcpu= options.
2428         (LIB_SPEC): Likewise.
2429         * config/bfin/bfin.c (bfin_cpu_type): Define.
2430         (bfin_handle_option): Handle -mcpu= option.
2431         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
2432         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
2433         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
2434
2435 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2436
2437         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
2438         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
2439         (powerpc-wrs-vxworksae): Use ${tm_file}.
2440         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
2441         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
2442         * config/i386/vx-common.h: New file.
2443
2444 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2445
2446         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
2447         of crt0.o%s.
2448
2449 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2450
2451         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
2452         ldxtr.
2453
2454 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
2455
2456         PR c++/31078
2457         PR c++/31103
2458         * c-common.c (c_build_qualified_type): Set canonical type
2459         appropriately.
2460
2461 2007-04-12  Richard Guenther  <rguenther@suse.de>
2462
2463         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
2464         lower bound and element size if lower bound is not zero
2465         or either of the ARRAY_REF operands is set.
2466
2467 2007-04-12  Richard Guenther  <rguenther@suse.de>
2468
2469         PR tree-optimization/24689
2470         PR tree-optimization/31307
2471         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
2472         indices by value.
2473         * gimplify.c (canonicalize_addr_expr): To be consistent with
2474         gimplify_compound_lval only set operands two and three of
2475         ARRAY_REFs if they are not gimple_min_invariant.  This makes
2476         it never at this place.
2477         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
2478
2479 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2480
2481         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
2482         null before emitting a .nsubspa directive.
2483
2484 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
2485
2486         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
2487         need_to_partition_p if there are no memory statements in the
2488         function.
2489
2490 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
2491
2492         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
2493         (gcd_of_steps_may_divide_p): New function.
2494         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
2495
2496 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2497
2498         * reload.c (find_reloads_toplev, find_reloads_address,
2499         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
2500         not a pointer equality test, to decide if we need to call
2501         push_reg_equiv_alt_mem.
2502
2503 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
2504
2505         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
2506         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
2507         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
2508
2509 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
2510
2511         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
2512         vector to be positive.
2513
2514 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
2515
2516         PR 30735
2517         PR 31090
2518         * doc/invoke.texi: Document --params max-aliased-vops and
2519         avg-aliased-vops.
2520         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
2521         debug_memory_partitions): Move to tree-flow.h
2522         * params.h (AVG_ALIASED_VOPS): Define.
2523         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
2524         users.
2525         (mp_info_t): Likewise.
2526         (get_mem_sym_stats_for): New.
2527         (set_memory_partition): Move from tree-flow-inline.h.
2528         (mark_non_addressable): Only clear the set of symbols for the
2529         partition if it exists.
2530         (dump_memory_partitions): Move from tree-ssa-operands.c
2531         (debug_memory_partitions): Likewise.
2532         (need_to_partition_p): New.
2533         (dump_mem_ref_stats): New.
2534         (debug_mem_ref_stats): New.
2535         (dump_mem_sym_stats): New.
2536         (debug_mem_sym_stats): New.
2537         (update_mem_sym_stats_from_stmt): New.
2538         (compare_mp_info_entries): New.
2539         (mp_info_cmp): Call it.
2540         (sort_mp_info): Change argument to a list of mem_sym_stats_t
2541         objects.
2542         (get_mpt_for): Move from tree-ssa-operands.c.
2543         (find_partition_for): New.
2544         (create_partition_for): Remove.
2545         (estimate_vop_reduction): New.
2546         (update_reference_counts): New.
2547         (build_mp_info): New.
2548         (compute_memory_partitions): Refactor.
2549         Document new heuristic.
2550         Call build_mp_info, update_reference_counts,
2551         find_partition_for and estimate_vop_reduction.
2552         (compute_may_aliases): Populate virtual operands before
2553         calling debugging dumps.
2554         (delete_mem_sym_stats): New.
2555         (delete_mem_ref_stats): New.
2556         (init_mem_ref_stats): New.
2557         (init_alias_info): Call it.
2558         (maybe_create_global_var): Remove alias_info argument.
2559         Get number of call sites and number of pure/const call sites
2560         from gimple_mem_ref_stats().
2561         (dump_alias_info): Call dump_memory_partitions first.
2562         (dump_points_to_info_for): Show how many times a pointer has
2563         been dereferenced.
2564         * opts.c (decode_options): For -O2 set --param
2565         max-aliased-vops to 500.
2566         For -O3 set --param max-aliased-vops to 1000 and --param
2567         avg-aliased-vops to 3.
2568         * fortran/options.c (gfc_init_options): Remove assignment to
2569         MAX_ALIASED_VOPS.
2570         * tree-flow-inline.h (gimple_mem_ref_stats): New.
2571         * tree-dfa.c (dump_variable): Dump memory reference
2572         statistics.
2573         Dump NO_ALIAS* settings.
2574         (referenced_var_lookup): Tidy.
2575         (mem_sym_stats): New.
2576         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
2577         and ORIG are different SSA names for a memory partition.
2578         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
2579         * tree-flow.h (struct mem_sym_stats_d): Define.
2580         (mem_sym_stats_t): Define.
2581         (struct mem_ref_stats_d): Define.
2582         (struct gimple_df): Add field mem_ref_stats.
2583         (enum noalias_state): Define.
2584         (struct var_ann_d): Add bitfield noalias_state.
2585         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
2586         debug_mem_ref_stats, debug_memory_partitions,
2587         debug_mem_sym_stats): Declare.
2588         * tree-ssa-structalias.c (update_alias_info): Update call
2589         sites, pure/const call sites and asm sites in structure
2590         returned by gimple_mem_ref_stats.
2591         Remove local variable IS_POTENTIAL_DEREF.
2592         Increase NUM_DEREFS if the memory expression is a potential
2593         dereference.
2594         Call update_mem_sym_stats_from_stmt.
2595         If the memory references memory, call
2596         update_mem_sym_stats_from_stmt for all the direct memory
2597         symbol references found.
2598         (intra_create_variable_infos): Set noalias_state field for
2599         pointer arguments according to the value of
2600         flag_argument_noalias.
2601         * tree-ssa-structalias.h (struct alias_info): Remove fields
2602         num_calls_found and num_pure_const_calls_found.
2603         (update_mem_sym_stats_from_stmt): Declare.
2604         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
2605         Set default value to 100.
2606         (PARAM_AVG_ALIASED_VOPS): Define.
2607
2608 2007-04-11  Richard Guenther  <rguenther@suse.de>
2609
2610         PR middle-end/31530
2611         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
2612         a * -b + c as c - a * b if we honor sign dependent rounding.
2613
2614 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2615
2616         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
2617         bfin_expand_strmov.
2618         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
2619         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
2620         variables.
2621         (initialize_trampoline): Don't use old-style function definition.
2622         (bfin_secondary_reload): Mark IN_P argument as unused.
2623
2624 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
2625
2626         PR tree-optimization/31343
2627         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
2628         (build_polynomial_chrec): Return a scalar when the evolution is zero.
2629         * testsuite/gcc.dg/vect/pr31343.c: New.
2630
2631 2007-04-10  Eric Christopher  <echristo@apple.com>
2632
2633         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
2634         * config/i386/i386.md (*cmpfp0): Use.
2635         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
2636         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
2637         (fix_trunc<mode>_i386_fisttp): Ditto.
2638         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
2639         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
2640         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
2641         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
2642         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
2643         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
2644         (unnamed_splitters): Ditto.
2645         * config/i386/i386.c (output_fix_trunc): Assert that
2646         we're not being passed a TFmode operand.
2647
2648 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
2649
2650         PR tree-optimization/31526
2651         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
2652         n_basic_blocks to find newly added blocks.
2653
2654 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
2655
2656         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
2657         alternative.
2658         (fix_trunc<mode>si_sse): Ditto.
2659         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
2660         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
2661         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
2662         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
2663         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
2664         expander using SSEMODEF mode macro.
2665         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
2666         expander using SSEMODEF mode macro.
2667         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
2668         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
2669         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
2670         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
2671         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
2672         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
2673         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
2674         Macroize insn using X87MODEF mode macro.
2675
2676 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
2677
2678         * config/i386/sse.md (sse2_pinsrw): Removed.
2679         (sse2_pextrw): Renamed to ...
2680         (*sse2_pextrw): This.
2681
2682 2007-04-09  Jan Hubicka  <jh@suse.cz>
2683
2684         PR target/27869
2685         * config/i386/sse.md
2686         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
2687         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
2688         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
2689         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
2690
2691 2007-04-09  Jan Hubicka  <jh@suse.cz>
2692
2693         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
2694         multiple fields of union.
2695
2696 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
2697
2698         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
2699         (create_preheaders): Check that loops are available.
2700         (fix_loop_structure): Clean up, improve comments.
2701         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
2702         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
2703         state flags.
2704         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
2705         * predict.c (tree_estimate_probability): Do not call
2706         calculate_dominance_info.  Call create_preheaders.
2707         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
2708         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
2709         flags.
2710         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
2711         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
2712         * tree-cfg.c (tree_split_edge): Make an assert more precise.
2713         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
2714         arguments.
2715
2716 2007-04-08  Jan Hubicka  <jh@suse.cz>
2717
2718         * tree.h (maybe_fold_offset_to_component_ref): Declare.
2719         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
2720         * fold-const.c (fold_unary): Use it.
2721
2722 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2723
2724         * varasm.c (assemble_variable): Remove call to
2725         lang_hooks.decls.prepare_assemble_variable.
2726         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
2727         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
2728         * langhooks.h (lang_hooks_for_decls): Remove
2729         prepare_assemble_variable.
2730
2731 2007-04-08  Mike Stump  <mrs@apple.com>
2732
2733         * config/i386/i386.c: Use inc/dec on Core2.
2734
2735 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
2736
2737         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
2738         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
2739         lhd_tree_inlining_end_inlining): Remove.
2740         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
2741         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
2742         end_inlining hooks.
2743         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
2744         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
2745         lhd_tree_inlining_end_inlining): Remove prototypes.
2746         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
2747         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
2748         LANG_HOOKS_TREE_INLINING_START_INLINING,
2749         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
2750
2751         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
2752         not set it.
2753
2754 2007-04-08  Anatoly Sokolov <aesok@post.ru>
2755
2756         PR target/29932
2757         * config/avr/predicates.md (io_address_operand): Delete predicate.
2758         (low_io_address_operand): Don't use 'mode' argument.
2759         (higth_io_address_operand): Rename ...
2760         (high_io_address_operand): ... to this. Don't use 'mode' argument.
2761         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
2762         for above change.
2763
2764 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
2765
2766         Revert change removing staticp.
2767
2768 2007-04-07  Anatoly Sokolov <aesok@post.ru>
2769
2770         PR target/30289
2771         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
2772         earlyclobber.
2773
2774 2007-04-07  Bruce Korb  <bkorb@gnu.org>
2775
2776         * c.opt: Add -Wformat-contains-nul.
2777         * c-format.c (set_Wformat):  Set warn_format_contains_nul to the
2778           -Wformat setting.
2779         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
2780         the NUL byte warning.
2781
2782 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
2783
2784         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
2785
2786 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
2787
2788         * tree.c (staticp): No longer use staticp langhook.
2789         * langhooks.c (lhd_staticp): Removed.
2790         * langhooks.h (struct lang_hooks): Remove staticp.
2791         * c-common.c (c_staticp): Remove.
2792         * c-common.h (c_staticp): Ditto.
2793         * langhooks-defs.h (lhd_staticp): Ditto.
2794         (LHD_HOOKS_STATICP): Ditto
2795         * tree.h (gcc_assert_lowered): New macro.
2796
2797 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
2798
2799         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
2800         argument "reliable".
2801         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
2802         Add argument "reliable".  Propagate it through calls.
2803         (infer_loop_bounds_from_undefined):  Derive number of iterations
2804         estimates from references in blocks that do not dominate loop latch.
2805         (gcov_type_to_double_int): New function.
2806         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
2807         and expected_loop_iterations_unbounded.
2808         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
2809         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
2810         * tree-data-ref.c (estimated_loop_iterations): Export.
2811         (get_references_in_stmt): Fix -- do not return addresses of local
2812         objects.
2813         * cfgloop.h (expected_loop_iterations_unbounded,
2814         estimated_loop_iterations): Declare.
2815
2816 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
2817
2818         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
2819
2820 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
2821
2822         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
2823         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
2824         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
2825         Use output_387_reg_move().
2826         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
2827         expander using X87MODEF12 mode macro.
2828         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
2829         choosing register preferences.  Use output_387_reg_move().
2830         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
2831         instead of "x".  Use output_387_reg_move().
2832         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
2833         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
2834         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
2835         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
2836         Use output_387_reg_move().
2837         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
2838         mode macro.
2839         (*truncxf?f_i387 splitter): Ditto.
2840
2841 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
2842
2843         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
2844         LANG_HOOKS_SAFE_FROM_P.
2845         * expr.c (safe_from_p): Remove langhook call.
2846         * langhooks.h (lang_hooks): Remove safe_from_p.
2847         (lhd_safe_from_p): Remove prototype.
2848         * langhooks.c (lhd_safe_from_p): Remove.
2849
2850 2007-04-06  Jan Hubicka  <jh@suse.cz>
2851
2852         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
2853         functions.
2854
2855 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
2856
2857         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
2858         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
2859         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
2860         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
2861         alternative.
2862         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
2863         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
2864
2865 2007-04-05  Richard Henderson  <rth@redhat.com>
2866
2867         * config/alpha/alpha.c (print_operand) [+]: Remove.
2868         (alpha_end_function): Print nop if call at end of function.
2869         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
2870         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
2871         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
2872         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
2873         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
2874         the call pattern. Update peepholes to match.
2875
2876 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
2877
2878         * doc/extend.texi (Other Builtins): Add decimal float variants
2879         of signbit.
2880         * builtins.def: Ditto.
2881         * builtins.c (expand_builtin): Ditto.
2882
2883 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
2884             H.J. Lu  <hongjiu.lu@intel.com>
2885
2886         PR target/31478
2887         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
2888         of V8HImode when calling ix86_binary_operator_ok.
2889         (sse2_pmaddwd): Call ix86_binary_operator_ok.
2890         (sdot_prodv8hi): Operands 1 and 2 must be register.
2891
2892 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2893
2894         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
2895         initialize align to silence bogus warning.
2896
2897 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2898
2899         PR middle-end/22156
2900         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
2901         all_no_warning.
2902         (struct sra_walk_fns): Remove use_all parameter from use.
2903         (sra_hash_tree): Handle BIT_FIELD_REFs.
2904         (sra_elt_hash): Don't hash bitfld blocks.
2905         (sra_elt_eq): Skip them in parent compares as well.  Handle
2906         BIT_FIELD_REFs.
2907         (sra_walk_expr): Don't maintain or pass down use_all_p.
2908         (scan_use): Remove use_all parameter.
2909         (scalarize_use): Likewise.  Re-expand assignment to
2910         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
2911         output, and re-scalarize after output.  Don't mark anything
2912         for no warning.
2913         (scalarize_ldst): Adjust.
2914         (scalarize_walk_gimple_modify_statement): Likewise.
2915         (build_element_name_1): Handle BIT_FIELD_REFs.
2916         (instantiate_element): Don't warn for any element whose parent
2917         is used as a whole.
2918         (instantiate_missing_elements_1): Return the sra_elt.
2919         (canon_type_for_field): New.
2920         (try_instantiate_multiple_fields): New.
2921         (instantiate_missing_elemnts): Use them.
2922         (mark_no_warning): Removed.
2923         (generate_one_element_ref): Handle BIT_FIELD_REFs.
2924         (REPLDUP, sra_build_elt_assignment): New.
2925         (generate_copy_inout): Use them.
2926         (generate_element_copy): Likewise.  Handle bitfld differences.
2927         (generate_element_zero): Don't recurse for blocks.  Use
2928         sra_build_elt_assignment.
2929         (generate_one_element_int): Take elt instead of var.  Use
2930         sra_build_elt_assignment.
2931         (generate_element_init_1): Adjust.
2932         (scalarize_use, scalarize_copy): Use REPLDUP.
2933         (scalarize_ldst): Move assert before dereference.
2934         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
2935
2936 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
2937
2938         * regmove.c: Fix unused variable warnings due to previous commit.
2939
2940 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
2941
2942         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
2943         (regmove_bb_head): Remove.
2944         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
2945         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
2946         problems with fixup_match_1.
2947         Don't initialize/free regmove_bb_head.
2948
2949         (reg_is_remote_constant_p): If an insn is in the same basic block
2950         but not before INSN, consider it remote, too.
2951
2952 2007-04-05  Anatoly Sokolov <aesok@post.ru>
2953
2954         PR target/25448
2955         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
2956         DECL_ASSEMBLER_NAME, not the DECL_NAME.
2957
2958 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
2959
2960         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
2961         (CONDITIONAL_REGISTER_USAGE): Likewise.
2962
2963 2007-04-04  Richard Henderson  <rth@redhat.com>
2964
2965         * config/alpha/lib1funcs.asm: Remove unused file.
2966
2967 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2968
2969         PR other/31356
2970         * opts.c (print_specific_help): Fix --help=<language>
2971         header line.
2972         (common_handle_option): Support --help=common.
2973
2974 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2975
2976         PR other/31353
2977         * gcc.c (main): Do not run the linker if
2978         print_subprocess_help indicates that it shouldn't be
2979         run.
2980
2981 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
2982
2983         PR doc/31355
2984         * doc/invoke.texi (--help=): Document <languages> value, fix
2985         formatting in tables of values.
2986
2987 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
2988
2989         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
2990         dllimport attribute of virtual methods.
2991
2992 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
2993
2994         * config/score/crti.asm: Change _bss_start to __bss_start.
2995         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
2996         (OUTGOING_REG_PARM_STACK_SPACE) update.
2997         * config/score/score.opt: add options to make backend support
2998         score5, score5u, score7 and score7d.
2999         * config/score/score.md: Likewise.
3000         * config/score/misc.md: Likewise.
3001         * config/score/mac.md: Likewise.
3002         * doc/invoke.texi: Likewise.
3003         * doc/md.texi: update constraints define.
3004
3005 2007-04-03  Richard Henderson  <rth@redhat.com>
3006
3007         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
3008         an appropriate type, use the mode instead.
3009
3010 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
3011
3012         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
3013         Set the default --with-arch setting to mips2.
3014         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
3015         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
3016         (MULTILIB_OSDIRNAMES): Delete.
3017         (MULTILIB_DIRNAMES): Define.
3018         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
3019         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
3020         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
3021         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
3022         VXWORKS_OS_CPP_BUILTINS.
3023         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
3024         (MIPS_DEBUGGING_INFO): Undefine.
3025         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
3026
3027 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
3028
3029         PR middle-end/30704
3030         * fold-const.c (native_encode_real): Encode real.c provided longs
3031         as a series of 32-bit native integers.
3032         (native_interpret_real): Interpret buffer as a series of 32-bit
3033         native integers.
3034
3035 2007-04-03  Richard Guenther  <rguenther@suse.de>
3036
3037         * genpreds.c (write_insn_constraint_len): Write function
3038         optimized for CONSTRAINT_LEN implementation.
3039         (write_tm_preds_h): Output insn_constraint_len inline and
3040         use it for CONSTRAINT_LEN.
3041         (write_insn_preds_c): Don't output insn_constraint_len.
3042         * doc/md.texi (define_register_constraint): Document multi-letter
3043         constraints shall have the same length if they start with the same
3044         letter.
3045
3046 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
3047
3048         PR target/31175
3049         * config/i386/i386.md (isinf<mode>2): Expand only when
3050         TARGET_C99_FUNCTIONS is set.
3051
3052 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
3053
3054         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
3055         (x86_64-*-linux*): Ditto.
3056         * config/i386/i386.opt (mpc): New option.
3057         * config/i386/i386.c (overrride_options): Handle
3058         ix87_precision_string.
3059         * config/i386/crtprec.c: New file.
3060         * config/i386/t-crtpc: Ditto.
3061         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
3062         and -mpc80 options.
3063         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
3064         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
3065         crtprec32.o, crtprec64.o and crtprec80.o.
3066
3067         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
3068         and -mpc80 options.
3069         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
3070
3071 2007-04-02  Eric Christopher  <echristo@apple.com>
3072
3073         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
3074         limitations on darwin.
3075
3076 2007-04-02  Anatoly Sokolov <aesok@post.ru>
3077
3078         PR target/31137
3079         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
3080
3081 2007-04-02  Dave Korn  <dave.korn@artimi.com>
3082
3083         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
3084
3085 2007-04-02  Dave Korn  <dave.korn@artimi.com>
3086
3087         * libgcc2.h (exception_descriptor): Don't forward-declare.
3088         (__get_eh_table_language, __get_eh_table_version): Delete
3089         prototypes of long-dead functions.
3090
3091 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
3092
3093         * ebitmap.h: New file
3094         * ebitmap.c: New file
3095         * Makefile.in (ebitmap.o): New target.
3096
3097 2007-04-01  Jan Hubicka  <jh@suse.cz>
3098
3099         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
3100         before very first instruction.
3101
3102 2007-04-01  Jan Hubicka  <jh@suse.cz>
3103
3104         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
3105         waring on 64bit hosts.
3106         * bitmap.h: Fix typo in bitmap_head_def.
3107
3108 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
3109
3110         PR rtl-optimization/31391
3111         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
3112         into a DELETED_LABEL note, and the label is in an empty basic
3113         block, update BB_END as well as BB_HEAD.
3114
3115 2007-04-01  Richard Henderson  <rth@redhat.com>
3116
3117         PR tree-optimization/31169
3118         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
3119         to varying if the range is outside [0,  prec-1].
3120
3121 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
3122
3123         PR target/31388
3124         * config/mips/mips.md (load_const_gp): New insn.
3125         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
3126         the MIPS16 GP pseudo register if no_new_pseudos.
3127         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
3128
3129 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3130
3131         PR target/31364
3132         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
3133         secureplt.
3134         (call_value): Likewise.
3135
3136 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
3137             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3138
3139         PR 14737
3140         * doc/invoke.texi: (optimization options): Reword description
3141         of -ffast-math. Document its primary purpose.
3142
3143 2007-03-31  Richard Guenther  <rguenther@suse.de>
3144
3145         * omp-low.c (splay-tree.h): Include.
3146         (lookup_decl): Replace splay-tree usage by pointer-map.
3147         (maybe_lookup_decl): Likewise.
3148         (new_omp_context): Likewise.
3149         (delete_omp_context): Likewise.
3150         * gimplify.c (splay-tree.h): Include.
3151         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
3152         pointer-map.
3153         (remap_ssa_name): Likewise.
3154         (remap_decl): Likewise.
3155         (remap_type_1): Likewise.
3156         (remap_type): Likewise.
3157         (copy_body_r): Likewise.
3158         (expand_call_inline): Likewise.
3159         (clone_body): Likewise.
3160         (copy_tree_r): Likewise.
3161         (remap_save_expr): Likewise.
3162         (unsave_r): Likewise.
3163         (unsave_expr_now): Likewise.
3164         (tree_function_versioning): Likewise.
3165         (build_duplicate_type): Likewise.
3166         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
3167         (struct copy_body_data): Replace splay-tree by pointer-map.
3168         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
3169         not $(SPLAY_TREE_H).
3170         (gimplify.o): Depend on $(SPLAY_TREE_H).
3171         (omp-low.p): Likewise.
3172
3173 2007-03-31  Anatoly Sokolov <aesok@post.ru>
3174
3175         * config/avr/predicates.md (even_register_operand,
3176         odd_register_operand): New predicates.
3177         * config/avr/avr.md (movw peephole2): New.
3178         (movw_r peephole2): New.
3179
3180 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
3181
3182         * tree.h (get_signed_or_unsigned_type): New.
3183         * fold-const.c (operand_equal_for_comparison_p): Use
3184         get_signed_or_unsigned_type instead of
3185         lang_hooks.types.signed_or_unsigned_type.
3186         * expr.c (store_expr): Ditto.
3187         * langhooks.c (get_signed_or_unsigned_type): New.
3188         (lhd_signed_or_unsigned_type): New.
3189         * langhooks.h (lhd_signed_or_unsigned_type): New.
3190         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
3191
3192 2007-03-30  Richard Henderson  <rth@redhat.com>
3193
3194         * tree-ssa-loop-ivopts.c: Include target.h.
3195         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
3196         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
3197         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
3198         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
3199
3200 2007-03-30  Richard Henderson  <rth@redhat.com>
3201             Kai Tietz  <kai.tietz@onevision.com>
3202
3203         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
3204         default for 64-bit.
3205         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
3206         (TARGET_64BIT_MS_ABI): New.
3207         (DBX_REGISTER_NUMBER): Handle 64-bit.
3208         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
3209         (LONG_TYPE_SIZE): Force to 32.
3210         (REG_PARM_STACK_SPACE): New.
3211         (OUTGOING_REG_PARM_STACK_SPACE): New.
3212         (REGPARM_MAX, SSE_REGPARM_MAX): New.
3213         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
3214         (STACK_BOUNDARY): Use 128 for 64-bit.
3215         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
3216         Add 64-bit implementation.
3217         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
3218         argument unused.
3219         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
3220         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
3221         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
3222         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
3223         (ix86_handle_cconv_attribute): Don't warn when ignoring if
3224         TARGET_64BIT_MS_ABI.
3225         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
3226         (ix86_pass_by_reference): Likewise.
3227         (ix86_function_value_regno_p): Likewise.
3228         (ix86_build_builtin_va_list): Likewise.
3229         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
3230         (function_arg_advance_ms_64): New.
3231         (function_arg_advance): Call it.
3232         (function_arg_ms_64): New.
3233         (function_arg): Call it.
3234         (function_value_ms_64): New.
3235         (ix86_function_value_1): Call it.
3236         (return_in_memory_ms_64): New.
3237         (ix86_return_in_memory): Call it.
3238         (setup_incoming_varargs_ms_64): New.
3239         (ix86_setup_incoming_varargs): Call it.
3240         (ix86_expand_prologue): Handle 64-bit stack probing.
3241         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
3242         (output_pic_addr_const): Likewise.
3243         (x86_this_parameter): Likewise.
3244         (x86_output_mi_thunk): Likewise.
3245         (x86_function_profiler): Likewise.
3246         (TARGET_STRICT_ARGUMENT_NAMING): New.
3247         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
3248         (TARGET_64BIT_MS_ABI): New.
3249         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
3250         * config/i386/i386.md (allocate_stack_worker): Remove.
3251         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
3252         describe the clobber of eax without a match_scratch.
3253         (allocate_stack_worker_postreload): Remove.
3254         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
3255         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
3256         (allocate_stack_worker_rex64_postreload): Remove.
3257         (allocate_stack): Handle 64-bit.
3258         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
3259         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
3260         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
3261         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
3262         (STANDARD_STARTFILE_PREFIX_1): Likewise.
3263         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
3264         * config.build (x86_64-*-mingw*): New host.
3265         * config.host (x86_64-*-mingw*): New host.
3266         * config.gcc (x86_64-*-mingw*): New target.
3267         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
3268
3269 2007-03-30  Richard Henderson  <rth@redhat.com>
3270             Kai Tietz  <kai.tietz@onevision.com>
3271
3272         * c-pragma.c (struct def_pragma_macro_value): New.
3273         (struct def_pragma_macro): New.
3274         (pushed_macro_table): New.
3275         (dpm_hash, dpm_eq): New.
3276         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
3277         (init_pragma): Install them.
3278         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
3279
3280 2007-03-30  Anatoly Sokolov <aesok@post.ru>
3281
3282         * config/avr/avr.c (avr_override_options): Clear
3283         'flag_delete_null_pointer_checks'.
3284
3285 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
3286
3287         PR c++/26099
3288         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
3289         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
3290         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
3291         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
3292         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
3293         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
3294         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
3295         C++ extensions.
3296         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
3297
3298 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
3299
3300         * regmove.c: Move all of pass_stack_adjustments from here...
3301         * combine-stack-adj.c: ...to this new file.
3302         * Makefile.in: Add rules for combine-stack-adj.o.
3303
3304 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
3305
3306         PR tree-optimization/31383
3307         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
3308         to have the same length.
3309
3310 2007-03-30  Jan Hubicka  <jh@suse.cz>
3311
3312         PR middle-end/30700
3313         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
3314         availablility; add more sanity checking; ask varpool only about
3315         VAR_DECL.
3316
3317 2007-03-29  Richard Henderson  <rth@redhat.com>
3318
3319         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
3320         to decide, but __SIZEOF_LONG_LONG__.
3321
3322 2007-03-29  Richard Henderson  <rth@redhat.com>
3323
3324         * emutls.c (struct __emutls_array): New.
3325         (emutls_destroy): Use it instead of casting element 0 from void*.
3326         (__emutls_get_address): Likewise.
3327
3328 2007-03-29  Richard Henderson  <rth@redhat.com>
3329
3330         * varasm.c (initializer_constant_valid_p): Don't deny
3331         DECL_DLLIMPORT_P on functions.
3332
3333         * config/i386/cygming.h: Remove function declarations.
3334         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
3335         (ASM_OUTPUT_LABELREF): Remove.
3336         (COMMON_ASM_OP): Remove.
3337         (ASM_OUTPUT_COMMON): Remove.
3338         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
3339         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
3340         (ASM_DECLARE_FUNCTION_NAME): Likewise.
3341         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
3342         Rename from TARGET_ENCODE_SECTION_INFO.
3343         * config/i386/netware.h: Likewise.
3344         * config/i386/i386-protos.h: Update.
3345         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
3346         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
3347         (legitimate_constant_p): Reject dllimports.
3348         (dllimport_map, get_dllimport_decl): New.
3349         (legitimize_dllimport_symbol): New.
3350         (legitimize_address, ix86_expand_move): Use it.
3351         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
3352         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
3353         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
3354         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
3355         * config/i386/predicates.md (constant_call_address_operand): Only
3356         accept symbols; reject dllimport_p symbols.
3357         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
3358         i386_pe_maybe_record_exported_symbol.
3359         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
3360         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
3361         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
3362         trust the setting of DECL_DLLIMPORT_P.
3363         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
3364         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
3365         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
3366         tidy the argument scanning loop.
3367         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
3368         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
3369         (i386_pe_strip_name_encoding): Remove.
3370         (i386_pe_binds_local_p): New.
3371         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
3372         (i386_pe_output_labelref): Remove.
3373         (i386_pe_asm_output_aligned_decl_common): New.
3374         (i386_pe_maybe_record_exported_symbol): Rename from
3375         i386_pe_record_exported_symbol; check for dllexported symbols.
3376
3377 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
3378
3379         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
3380         add comment explaining why vsnprintf cannot be used.
3381
3382 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
3383
3384         PR tree-optimization/30666
3385         * tree.c (build_complex_type): When creating type names for DWARF2
3386         debug info, create TYPE_DECLs for TYPE_NAME instead of
3387         IDENTIFIER_NODEs.
3388         (build_common_tree_nodes_2): Use build_complex_type when building
3389         predefined complex types, to preserve canonical types.
3390
3391 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
3392
3393         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
3394         (noce_get_alt_condition): Look at it to determine whether to
3395         reverse the condition or not.
3396         (noce_get_condition): Substitute the truth for lies.
3397         (noce_find_if_block): Set the then_else_reversed field.
3398
3399 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
3400
3401         * config/fr30/fr30.md (movdi): Do not accept immediates as the
3402         destination of this insn.
3403         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
3404         than calling gen_rtx_SET directly.  Use r0 to hold the value of
3405         'address + 4' rather than a stack based temporary which can be
3406         mis-optimized away.
3407
3408 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
3409
3410         * config/s390/s390.c (s390_secondary_input_reload_class,
3411         s390_secondary_output_reload_class): Functions removed.
3412         (s390_secondary_reload): New function.
3413         (TARGET_SECONDARY_RELOAD): Target macro defined.
3414         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
3415         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
3416         * config/s390/s390.md ("reload_outti", "reload_outdi",
3417         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
3418         "reload_out<mode>"): Expanders removed.
3419         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
3420         "reload<mode>_nonoffmem_out"): Expanders added.
3421
3422 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
3423
3424         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
3425         SRC->DEST replacement failed anyway.
3426
3427 2007-03-28  Mike Stump  <mrs@apple.com>
3428
3429         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
3430         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
3431         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
3432
3433 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3434
3435         * config.gcc: Accept barcelona as a variant of amdfam10.
3436         * config/i386/i386.c (override_options): Likewise.
3437         * doc/invoke.texi: Likewise.
3438
3439 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
3440
3441         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
3442         offsets for BIT_FIELD_REF and COMPONENT_REF.
3443
3444 2007-03-28  Richard Guenther  <rguenther@suse.de>
3445
3446         * tree.c (is_global_var): Move ...
3447         * tree-flow-inline.h (is_global_var): ... here.
3448         * tree.h (is_global_var): Remove declaration.
3449
3450 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
3451
3452         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
3453         option.
3454         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
3455         * config/i386/i386.c (ix86_tune_features): Initialize new
3456         tuning option.
3457         * config/i386/predicates.md (promotable_binary_operator): Use
3458         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
3459
3460 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
3461
3462         PR target/31380
3463         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
3464
3465 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
3466
3467         * config/fr30/fr30.md (movsi_internal): Change destination
3468         constraint from m to V and add m to the end.
3469
3470 2007-03-28  Christian Bruel  <christian.bruel@st.com>
3471
3472         * config/sh/sh.md (movsi_i): Fix type attribute.
3473
3474 2007-03-28  Christian Bruel  <christian.bruel@st.com>
3475
3476         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
3477         (movsf_ie): Likewise.
3478
3479 2007-03-28  Christian Bruel  <christian.bruel@st.com>
3480
3481         * config.gcc: Add sh4-300 to multilib.
3482         * config/sh/t-mlib-sh4-300: New file.
3483
3484 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
3485
3486         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
3487         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
3488         fix_trunc<mode>di2.
3489         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
3490         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
3491         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
3492         "fixuns_trunctddi2"): Whitespace fix.
3493
3494 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
3495
3496         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
3497         the definition of struct sh_args.
3498         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
3499         CALL_COOKIE_INT_REG_GET): Likewise.
3500
3501 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
3502
3503         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
3504         transformations are applied successfully.
3505
3506 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
3507
3508         * tree.c (tree_contains_struct): Permit 512 tree codes.
3509         * tree.h (tree_contains_struct): Ditto.
3510         (MAX_TREE_CODES): Ditto.
3511         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
3512         SPARE member to store remaining padding bits.
3513
3514 2007-03-27  Anatoly Sokolov <aesok@post.ru>
3515
3516         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
3517         architecture.
3518
3519 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
3520
3521         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
3522         * configure: Regenerate.
3523
3524         * configure: Regenerate using the correct version of autoconf.
3525
3526 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
3527
3528         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
3529         pointer regs.
3530         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
3531         regs to "__SP_L__" and "__SP_H__".
3532
3533 2007-03-27  Richard Guenther  <rguenther@suse.de>
3534
3535         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
3536         computations with it with a HOST_WIDE_INT variable.
3537
3538 2007-03-26  Mike Stump  <mrs@apple.com>
3539
3540         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
3541         objective-c-header, objective-c++-header and objc++-cpp-output
3542         support.
3543         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
3544
3545 2007-03-26  Richard Henderson  <rth@redhat.com>
3546
3547         PR target/31361
3548         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
3549         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
3550         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
3551         IX86_BUILTIN_PSRLQ128): New.
3552         (ix86_init_mmx_sse_builtins): Add them.
3553         (ix86_expand_builtin): Expand them.
3554         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
3555         operand 2 be TImode.
3556         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
3557         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
3558         _mm_srli_epi64): Mark __B const.
3559         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
3560         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
3561         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
3562         new two-vector shift builtins.
3563
3564 2007-03-26  Ian Lance Taylor  <iant@google.com>
3565
3566         PR tree-optimization/31345
3567         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
3568         [+INF, +INF(OVF)] into VARYING.
3569
3570 2007-03-26  Zack Weinberg  <zackw@panix.com>
3571
3572         * gengtype-parse.c: New file.
3573         * gengtype-yacc.y: Delete.
3574         * gengtype-lex.l: Don't include gengtype-yacc.h.
3575         Define YY_DECL and yyterminate appropriately for recursive
3576         descent parser.  yylval is now a string out-parameter to yylex.
3577         (HWS, EOID): New shorthand.
3578         (IWORD): Add a couple more types.
3579         (yylex): Add a setup stanza.  Remove the complex rules for
3580         detecting GTY'ed types and typedefs; replace with simple
3581         keyword detectors.  Adjust everything for the changed
3582         definition of yylval.  Ignore all pp-directives, not just #define.
3583         (yyerror): Delete.
3584         (parse_file): Rename yybegin; do not call yyparse.
3585         (yyend): New.
3586         * gengtype.c (xasprintf): Export again.
3587         (this_file): New.  Use everywhere __FILE__ was being used.
3588         (get_lang_bitmap): Special case types defined in gengtype.c.
3589         (do_typedef, new_structure): Suppress definition of certain types.
3590         (new_structure): Improve diagnostics of duplicate definitions.
3591         Make sure location_s is associated with input.h.
3592         (nreverse_pairs, define_location_structures): New functions.
3593         (main): Improve tagging of kludge types.  Remove old kludges
3594         for input.h types; use define_location_structures.
3595         * gengtype.h: Update prototypes.  Define token codes here.
3596         * Makefile.in: Remove all references to gengtype-yacc.
3597         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
3598         and gengtype.
3599         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
3600         add GTY((skip)) to the field that's only conditionally there.
3601         * doc/install.texi: Document that Bison is no longer required
3602         unless building treelang.
3603
3604         * gengtype.c: Don't include gtyp-gen.h.
3605         (srcdir): Declare here.
3606         (base_files, lang_dir_names): Allocate dynamically.
3607         (gt_files, num_gt_files, num_lang_dirs): New globals.
3608         (measure_input_list, read_input_line, read_input_list)
3609         (set_lang_bitmap): New functions.
3610         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
3611         simplify, relying on read_input_list to set up the bitmaps.
3612         (main): Arguments are no longer unused.  Check for correct number
3613         of command line arguments, set srcdir and srcdir_len, then call
3614         read_input_list, before doing anything else.  No need to worry
3615         about duplicates in main loop.
3616         * configure.ac: Simplify the calculation of all_gtfiles.
3617         Put language tags in there.  Don't set or substitute
3618         all_gtfiles_files_langs or all_gtfiles_files_frags.
3619         * Makefile.in: Revamp the way gengtype is invoked, now that it
3620         takes a file on its command line with a much simpler format.
3621         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
3622         (GTFILES): Remove duplicates and C source files.
3623         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
3624         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
3625         * configure: Regenerate.
3626
3627         * gengtype.h: Remove all type definitions to gengtype.c; leave
3628         only definitions of options_p, type_p, and pair_p as opaque
3629         pointers.  Update prototypes.
3630         * gengtype.c: Many type definitions moved here from gengtype.h.
3631         Consolidate type definitions at the top of the file.
3632         (xvasprintf): Delete.
3633         (xasprintf): Make static.
3634         (create_nested_pointer_option): Add 'next' parameter.
3635         (create_field_all, create_field_at): New functions.
3636         (create_field): Now a thin wrapper around create_field_all.
3637         (create_optional_field): Rename create_optional_field_ and add
3638         line argument.  Original name is now a macro which supplies
3639         __LINE__.
3640         (oprintf): Use vsnprintf directly.
3641         (close_output_files): Use fatal rather than perror/exit.
3642         (note_def_vec, note_def_vec_alloc): Use create_field_at.
3643         (main): Set progname.  Don't use exit.
3644         * gengtype-yacc.y (struct_fields): Use create_field_at.
3645         (option, optionseqopt): Delete.
3646         (optionseq): Consolidate productions from option here so we
3647         can use the first argument to create_option.
3648
3649         * gengtype-lex.l: Distinguish unions from structures in the
3650         token type.  Don't call find_structure; return the tag as a string.
3651         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
3652         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
3653         Reorganize typedef_struct production accordingly.
3654         Use create_nested_ptr_option.
3655         * gengtype.c (create_nested_ptr_option): New function.
3656         * gengtype.h: Declare it.
3657
3658         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
3659         (string_type): Don't declare.
3660         (do_scalar_typedef): Declare.
3661         (create_scalar_type): Update prototype.
3662         * gengtype.c (string_type): Make static.
3663         (scalar_nonchar, scalar_char): New.
3664         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
3665         (resolve_typedef): Use scalar_nonchar for error recovery.
3666         (create_scalar_type): Remove name_len field.  Return scalar_char
3667         or scalar_nonchar as appropriate.
3668         (adjust_field_type): Look at scalar_is_char boolean to decide whether
3669         to use string_type.
3670         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
3671         whenever possible.
3672         (main): Initialize scalar_char and scalar_nonchar before calling
3673         gen_rtx_next.
3674         * gengtype-lex.l: Adjust for removal of second argument to
3675         create_scalar_type.  Use yylval.s instead of yylval.t when
3676         returning SCALAR.
3677         * gengtype-yacc.y: Type of SCALAR is string.  Call
3678         create_scalar_type from type:SCALAR rule.  Adjust for removal of
3679         second argument to create_scalar_type.
3680
3681         * vec.h: Remove all #if IN_GENGTYPE blocks.
3682         Add comment saying that changes may require adjustments to gengtype.
3683         * gengtype.c: Don't include coretypes.h or tm.h.
3684         Add comment to inclusion of errors.h.
3685         (note_def_vec, note_def_vec_alloc): New functions.
3686         * gengtype.h: Declare new functions.
3687         * gengtype-lex.l: Don't include coretypes.h.
3688         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
3689         Delete.
3690         (update_lineno): Remove unnecessary prototype.
3691         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
3692         (VEC rule): Just return VEC_TOKEN.
3693         * gengtype-yacc.y (VEC_TOKEN): New token type.
3694         (type): Add a production for VEC(a,b).
3695         * Makefile.in: Update dependencies.
3696
3697         * gengtype-lex.l: Remove rules for parsing pointer-to-function
3698         typedefs that use the old PARAMS macro.
3699
3700         * gengtype-lex.l: Remove all rules and states relating to yacc
3701         input files.
3702         * gengtype-yacc.y: Similarly.
3703         * gengtype.c (note_yacc_type): Delete function.
3704         * gengtype.h: Update prototypes.
3705
3706 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
3707
3708         * tree-pretty-print.c (dump_generic_node): Report precision of
3709         unnamed integer types.
3710
3711 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
3712
3713         * ifcvt.c (noce_try_store_flag_constants): Don't check
3714         no_new_pseudos here.
3715         (noce_try_store_flag_constants): Don't check no_new_pseudos.
3716         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
3717         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
3718         noce_try_sign_mask): Likewise.
3719         (if_convert): Check no_new_pseudos here.
3720
3721         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
3722         Remove prototypes.
3723         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
3724         (noce_get_condition): Handle new then_else_reversed argument.
3725         (noce_init_if_info): Remove, fold into noce_find_if_block.
3726         (noce_process_if_block): Take a struct noce_if_info as the
3727         argument.  Don't set up one based on ce_if_info.  Update pointer
3728         references accordingly.
3729         (cond_move_process_if_block): Likewise.
3730         (process_if_block): Removed.
3731         (find_if_block): Removed.  Move functionality two new functions,
3732         noce_find_if_block and cond_exec_find_if_block.
3733         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
3734         blocks and the symmetric IF-ELSE-JOIN case.
3735         (cond_exec_find_if_block): Also new function mostly based on old
3736         find_if_block and process_if_block.
3737         (find_if_header): Replace find_if_block call with separately
3738         guarded calls to noce_find_if_block and cond_exec_find_if_block.
3739         (find_cond_trap): Update noce_get_condition call.
3740         (dead_or_predicable): Likewise.
3741
3742 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
3743
3744         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
3745         Remove.
3746         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
3747         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
3748         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
3749         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
3750         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
3751         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
3752         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
3753         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
3754         __builtin_ia32_psrad128 builtins.
3755
3756 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
3757
3758         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
3759         * config/i386/constraints.md
3760         (define_constraint "I"): Use IN_RANGE macro.
3761         (define_constraint "J"): Ditto.
3762         (define_constraint "K"): Ditto.
3763         (define_constraint "M"): Ditto.
3764         (define_constraint "N"): Ditto.
3765         (define_constraint "O"): Ditto.
3766         * config/i386/predicates.md
3767         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
3768         (define_predicate "const_0_to_3_operand"): Ditto.
3769         (define_predicate "const_0_to_7_operand"): Ditto.
3770         (define_predicate "const_0_to_15_operand"): Ditto.
3771         (define_predicate "const_0_to_63_operand"): Ditto.
3772         (define_predicate "const_0_to_255_operand"): Ditto.
3773         (define_predicate "const_1_to_31_operand"): Ditto.
3774         (define_predicate "const_2_to_3_operand"): Ditto.
3775         (define_predicate "const_4_to_7_operand"): Ditto.
3776
3777 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
3778
3779         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
3780         in SImode for save_world.
3781         * config/rs6000/altivec.md (save_world, restore_world): Convert to
3782         LR hard reg.
3783
3784 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
3785
3786         PR tree-optimization/30784
3787         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
3788         BIT_FIELD_REF.
3789
3790 2007-03-25  Revital Eres  <eres@il.ibm.com>
3791
3792         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
3793           Fold movement_possibility function into it.
3794
3795 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
3796
3797         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
3798         (load_macho_picbase_{si,di}): Convert to LR hard reg.
3799         (call_indirect_nonlocal_darwin64): Same.
3800         (call_nonlocal_darwin64): Same.
3801         (call_value_indirect_nonlocal_darwin64): Same.
3802         (call_value_nonlocal_darwin64): Same.
3803         (sibcall_nonlocal_darwin64): Same.
3804         (sibcall_value_nonlocal_darwin64): Same.
3805         (sibcall_symbolic_64): Same.
3806         (sibcall_value_symbolic_64): Same.
3807         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
3808         LR pseudo.
3809         (rs6000_emit_load_toc_table): Same.
3810         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
3811         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
3812         (mull_call): Same.
3813         (divss_call): Same.
3814         (divus_call): Same.
3815         (quoss_call): Same.
3816         (quous_call): Same.
3817         (load_toc_v4_pic_si): Same
3818         (load_toc_v4_PIC_1): Same.
3819         (load_toc_v4_PIC_1b): Same.
3820         (call_indirect_aix{32,64}): Same.
3821         (call_value_indirect_aix{32,64}): Same.
3822         (call): Same.
3823         (call_value): Same.
3824         (call_local{32,64}): Same.
3825         (call_value_local{32,64}): Same.
3826         (call_indirect_nonlocal_aix{32,64}): Same.
3827         (call_nonlocal_aix{32,64}): Same.
3828         (call_value_indirect_nonlocal_aix{32,64}): Same.
3829         (call_value_nonlocal_aix{32,64}): Same.
3830         (call_indirect_nonlocal_sysv<mode>): Same.
3831         (call_nonlocal_sysv<mode>): Same.
3832         (call_value_indirect_nonlocal_sysv<mode>): Same.
3833         (call_value_nonlocal_sysv<mode>): Same.
3834         (sibcall): Same.
3835         (sibcall_local{32,64}): Same.
3836         (sibcall_value_local{32,64}): Same.
3837         (sibcall_nonlocal_aix{32,64}): Same.
3838         (sibcall_value_nonlocal_aix{32,64}): Same.
3839         (sibcall_nonlocal_sysv<mode>): Same.
3840         (sibcall_value): Same.
3841         (sibcall_value_nonlocal_sysv<mode>): Same.
3842
3843 2007-03-24  Paul Brook  <paul@codesourcery.com>
3844
3845         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
3846         * config/arm/linux-eabi.h: Remove legacy syscall hack.
3847
3848 2007-03-24  Richard Henderson  <rth@redhat.com>
3849
3850         * config/ia64/constraints.md: New file.
3851         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
3852         satisfies_constraint_?.
3853         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
3854         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
3855         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
3856         ia64_output_mi_thunk): Likewise.
3857         (ia64_const_ok_for_letter_p): Remove.
3858         (ia64_const_double_ok_for_letter_p): Remove.
3859         (ia64_extra_constraint): Remove.
3860         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
3861         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
3862         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
3863         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
3864         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
3865         EXTRA_MEMORY_CONSTRAINT): Remove.
3866         * config/ia64/ia64.md: Include constriants.md.  Replace
3867         CONST_OK_FOR_? with satisfies_constraint_?.
3868
3869 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
3870             H.J. Lu  <hongjiu.lu@intel.com>
3871
3872         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
3873         DPD or BID name.
3874         (name macros): Use DPD_BID_NAME to convert names properly.
3875
3876         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
3877         decimal floating point format.
3878         (init_floating_libfuncs): Change decimal functions so that they
3879         have a "bid_" prefix if the decimal system uses the BID format,
3880         and "dpd_" prefix if the decimal system uses the DPD format.
3881         (init_interclass_conv_libfuncs): Ditto.
3882         (init_intraclass_conv_libfuncs): Ditto.
3883
3884         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
3885         using the BID format.
3886
3887         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
3888         whether we are using the BID decimal format.
3889         * configure: Regenerate.
3890
3891         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
3892         the compiler has decimal floating point enabled.  Define
3893         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
3894         instead of DPD.
3895
3896         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
3897         using the BID format.
3898
3899         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
3900         whether we are using the BID decimal format.
3901         * configure: Regenerate.
3902
3903         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
3904         the compiler has decimal floating point enabled.  Define
3905         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
3906         instead of DPD.
3907
3908         * doc/install.texi (--enable-decimal-float): Document BID and DPD
3909         options, and that it is enabled for i386/x86_64 systems.
3910
3911         * Makefile.in (enable_decimal_float): New.
3912         (DECNUMFMT): New.
3913         (DECNUMINC): Add  -I$(DECNUMFMT).
3914         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
3915         to $(DECNUMFMT) from $(DECNUM).
3916
3917         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
3918         Substitute enable_decimal_float.
3919         * configure: Regenerated.
3920
3921         PR other/30529
3922         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
3923         unsigned long.
3924
3925         * configure.ac: Enable decimal float for x86_64-*-linux*.
3926         * configure: Regenerated.
3927
3928         PR other/30530
3929         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
3930         decimal128ClearSign to flip and clear the sign bit in decimal128.
3931         (decimal_real_maxval): Set decimal128SetSign to set the sign
3932         bit in decimal128.
3933
3934 2007-03-23  Ian Lance Taylor  <iant@google.com>
3935
3936         * fold-const.c (fold_binary): Correct warning for X - c >= X.
3937
3938 2007-03-23  Ian Lance Taylor  <iant@google.com>
3939
3940         * tree-dump.c (dump_files): Correct comment.
3941
3942 2007-03-23  Ian Lance Taylor  <iant@google.com>
3943
3944         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
3945
3946 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
3947
3948         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
3949         in cfglayout mode.  Don't go into and out of cfglayout mode.
3950         Link the blocks in the order of the constructed traces.
3951         (rest_of_handle_tracer): Adjust call to tracer.
3952         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
3953         Don't go into cfglayout mode.
3954         (rtl_loop_done): Don't go out of cfglayout mode.
3955         * cfglayout.c (relink_block_chain): New function, split out from...
3956         (fixup_reorder_chain): ...here.  Remove redundant checking.
3957         (cfg_layout_finalize): Don't clear the header, footer, and aux
3958         fields here, move the code to do so to relink_block_chain.  Likewise
3959         for free_original_copy_tables.
3960         * rtl.h (tracer): Update prototype.
3961         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
3962         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
3963         mode.  Use relink_block_chain to serialize the CFG according to the
3964         new basic block order.  Move targetm.cannot_modify_jumps_p check from
3965         here...
3966         (gate_handle_reorder_blocks): ...to here.
3967         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
3968         from here...
3969         (gate_duplicate_computed_gotos): ...to here.
3970         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
3971         something always changes when going into and out of cfglayout mode.
3972         Perform an expensive cfg cleanup while going into cfglayout mode.
3973         Always update liveness information on HAVE_conditional_execution
3974         targets.  Reserialize the basic blocks and go out of cfglayout mode.
3975         * reg-stack.c: Include cfglayout.h.
3976         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
3977         the call to reorder_basic_blocks.
3978         * basic-block.h (reorder_basic_blocks): Update prototype.
3979         (relink_block_chain): New prototype.
3980         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
3981
3982 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
3983
3984         * config/mips/mips.md (type, hazard, *movdi_32bit,
3985         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
3986         *movhi_internal, *movqi_internal, *movsf_hardfloat,
3987         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
3988         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
3989         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
3990         applicable.
3991         (movcc): Change first xfer to multi.
3992         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
3993         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
3994         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
3995         config/mips/generic.md: Change reservations using "xfer" to use
3996         "mfc,mtc".
3997         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
3998         using match_operand.
3999         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
4000         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
4001         examining mode.
4002         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
4003
4004 2007-03-22  Richard Henderson  <rth@redhat.com>
4005
4006         * config/i386/i386.c: Remove unnecessary function declarations.
4007         Move targetm definition, and all related macros, to the end of
4008         the file.  Resort some functions to put definitions before uses.
4009         (ix86_attribute_table): Make static.  Move to end of file.
4010         (ix86_gimplify_va_arg): Make static.
4011
4012 2007-03-22  Richard Henderson  <rth@redhat.com>
4013
4014         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
4015         don't increase local_regparm with force_align_arg_pointer check.
4016         (ix86_function_sseregparm): Assert 32-bit.
4017         (type_has_variadic_args_p): New.
4018         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
4019         type_has_variadic_args_p.
4020         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
4021         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
4022         use memset instead.  Do maybe_vaarg check first; skip attribute
4023         tests if true; skip attribute tests for 64-bit.
4024         (construct_container): Remove TARGET_DEBUG_ARG.
4025         (function_arg_advance_32, function_arg_advance_64): Split out ...
4026         (function_arg_advance): ... from here.
4027         (function_arg_32, function_arg_64): Split out ...
4028         (function_arg): ... from here.
4029         (ix86_pass_by_reference): Tidy.
4030         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
4031         (function_value_32): New, from parts of ix86_function_value
4032         and ix86_value_regno.
4033         (function_value_64): New, from parts of ix86_function_value
4034         and ix86_libcall_value.
4035         (ix86_function_value_1): New.
4036         (ix86_function_value, ix86_libcall_value): Use it.
4037         (return_in_memory_32, return_in_memory_64): Split out ...
4038         (ix86_return_in_memory): ... from here.
4039         (ix86_struct_value_rtx): Skip for 64-bit.
4040         (ix86_libcall_value, ix86_value_regno): Remove.
4041         (setup_incoming_varargs_64): Split out ...
4042         (ix86_setup_incoming_varargs): ... from here.
4043         (ix86_va_start): Remove TARGET_DEBUG_ARG.
4044         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
4045         * config/i386/i386-protos.h (ix86_function_value): Remove.
4046         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
4047
4048 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4049
4050         PR other/23572
4051         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
4052         infinities not supported, otherwise emit warning if -Woverflow. On
4053         underflow, emit warning if -Woverflow.
4054         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
4055         and 0 otherwise.
4056         * real.h (real_from_string): Update declaration
4057
4058 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
4059             Richard Henderson  <rth@redhat.com>
4060
4061         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
4062         * calls.c (compute_argument_block_size, expand_call,
4063         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
4064         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
4065         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
4066         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
4067         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
4068         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
4069         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
4070         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
4071         Set to 1.
4072
4073 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
4074
4075         * c-incpath.c (add_sysroot_to_chain): New.
4076         (merge_include_chains): Add sysroot argument.  Call
4077         add_sysroot_to_chain if sysrooted.
4078         (register_include_chains): Update call to merge_include_chains.
4079         * doc/cppopts.texi: Document use of '=' in include directory
4080         arguments.
4081
4082 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
4083
4084         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
4085         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
4086         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
4087         insn pattern using X87MODEF12 mode macro.
4088
4089 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
4090
4091         * regmove.c (regmove_optimize): Use reg_mentioned_p
4092         instead of reg_overlap_mentioned_p for DST.
4093
4094 2007-03-21  Mike Stump  <mrs@apple.com>
4095
4096         * c.opt: Fixup for Objective-C/C++.
4097
4098 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
4099
4100         * explow.c (convert_memory_address): Fold memory reference when
4101         POINTERS_EXTEND_UNSIGNED < 0
4102
4103 2007-03-21  Richard Henderson  <rth@redhat.com>
4104
4105         PR target/31245
4106         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
4107         * config/i386/mmintrin.h (__m64): Likewise.
4108         * config/i386/xmmintrin.h (__m128): Likewise.
4109
4110 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
4111
4112         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
4113         (VXWORKS_OS_CPP_BUILTINS): Define.
4114         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
4115         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
4116
4117 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
4118
4119         * rtl.h (constant_pool_reference_p): Delete.
4120         (find_constant_src): Declare.
4121         * rtlanal.c (find_constant_src): New function.
4122         * simplify-rtx.c (constant_pool_reference_p): Delete.
4123         * config/i386/i386.md: Use find_constant_src instead of
4124         constant_pool_reference_p/avoid_constant_pool_reference pairs.
4125
4126 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
4127
4128         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
4129         * c-cppbuiltin.c (c_cpp_builtins): Define them.
4130
4131 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
4132
4133         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
4134         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
4135         (arm_elf_asm_constructor): Use it.
4136         (arm_elf_asm_destructor): New function.
4137
4138 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
4139
4140         * jump.c (mark_jump_label): Treat SEQUENCE specially.
4141
4142 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
4143
4144         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
4145
4146 2007-03-19  Andrew Haley  <aph@redhat.com>
4147
4148         PR tree-optimization/31264
4149         * tree-vrp.c (register_edge_assert_for_1): Don't look though
4150         VIEW_CONVERT_EXPRs.
4151
4152 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
4153
4154         PR rtl-optimization/30907
4155         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
4156         (fwprop_init): Always call loop_optimizer_initialize.
4157         (fwprop_done): Always call loop_optimizer_finalize.
4158         (fwprop): We always have loop info now.
4159         (gate_fwprop_addr): Remove.
4160         (pass_fwprop_addr): Use gate_fwprop as gate.
4161
4162         PR rtl-optimization/30841
4163         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
4164         df_chain_alloc): Call df_reorganize_refs unconditionally.
4165         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
4166         refs_organized to refs_organized_size.
4167         (df_ref_create_structure): Use refs_organized_size instead of
4168         bitmap_size if refs had been organized, and keep refs_organized_size
4169         up-to-date.
4170         * df.h (struct df_ref_info): Change refs_organized to
4171         refs_organized_size.
4172         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
4173         bitmap_size.
4174
4175 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
4176
4177         * except.c (output_function_exception_table): Do not reference the
4178         EH personality routine for functions that do not require an
4179         exception table.
4180
4181 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
4182
4183         PR c/30762
4184         * c-typeck.c (convert_for_assignment): Call comptypes for
4185         RECORD_TYPE or UNION_TYPE.
4186
4187         PR inline-asm/30505
4188         * reload1.c (reload): Do invalid ASM checking after
4189         cleanup_subreg_operands.
4190
4191 2007-03-19  Jeff Law  <law@redhat.com>
4192
4193         * tree-cfg.c (find_taken_edge): Tighten conditions for
4194         optimizing computed gotos.
4195
4196 2007-03-19  Michael Matz  <matz@suse.de>
4197
4198         * builtins.c (expand_builtin_sync_operation,
4199         expand_builtin_compare_and_swap,
4200         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
4201         correctly.
4202
4203         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
4204         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
4205         for operand 3.
4206
4207 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4208
4209         * doc/tm.texi: Add brackets around the return type of
4210         TARGET_SECONDARY_RELOAD.
4211
4212 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4213         Richard Guenther  <rguenther@suse.de>
4214
4215         PR tree-optimization/31254
4216         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
4217         Use handled_component_p () where appropriate.  Continue
4218         propagating into the rhs if we propagated into an INDIRECT_REF
4219         on the lhs.
4220
4221 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4222
4223         * config/s390/s390.md (op_type attribute): RRR instruction type added.
4224         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
4225         (xde, xdee): Mode attributes adjusted to support DFP modes.
4226         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
4227         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
4228         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
4229         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
4230         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
4231         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
4232         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
4233         numbers.
4234         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
4235         "movsf"): Insn definitions removed.
4236         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
4237         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
4238         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
4239         definitions added.
4240         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
4241         "reload_in<mode>", "reload_out<mode>"): Expander added.
4242         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
4243         Expander removed.
4244
4245 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4246
4247         * config/s390/s390.md: Only non-functional changes.  Renamed
4248         FPR mode macro to BFP all over the file.
4249
4250 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4251
4252         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
4253         (op_type attribute): RRF instruction type added.
4254         (fT0): New mode attribute.
4255         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
4256         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
4257         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
4258         no secondary memory is needed when moving DFmode values between GPRs
4259         and FPRs.
4260
4261 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4262
4263         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
4264         inverted and documentation adjusted.
4265         ("mhard-dfp", "msoft-dfp"): New options.
4266         * config/s390/s390.c (s390_handle_arch_option): New architecture
4267         switch: z9-ec.
4268         (override_options): Sanity checks for the new options added.
4269         * config.gcc: New architecture switch: z9-ec.
4270         * config/s390/s390.h (processor_flags): PF_DFP added.
4271         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
4272         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
4273         when the bit is NOT set so remove it from the defaults.
4274
4275 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4276
4277         * genemit.c (main): Print include statement for dfp.h.
4278         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
4279         is not available.
4280
4281 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
4282
4283         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
4284
4285 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
4286
4287         PR target/31022
4288         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
4289         instead of PATTERN.
4290
4291 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4292
4293         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
4294         attr_length_call, output_call, output_indirect_call): Cleanup
4295         formatting of targetm calls.
4296
4297 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
4298
4299         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
4300
4301 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4302
4303         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
4304         reservation, bypass and anti-bypass descriptions for these instructions.
4305         Update move patterns.
4306         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
4307         TYPE_FPSTORE.
4308
4309 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
4310
4311         * tree-vect-transform.c (get_initial_def_for_induction): Replace
4312         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
4313         (get_initial_def_for_reduction): Likewise.
4314
4315 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
4316
4317         Fix PR tree-optimization/29922
4318         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
4319         (get_representative): Removed.
4320         (value_dies_in_block_x): Update for rvuse removal.
4321         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
4322         (compute_antic_aux): Handle when PHI nodes appear in
4323         non-single-successors.
4324         (dump_bitmap_of_names): Removed.
4325         (compute_antic_safe): Renamed and removed rvuse calculation.
4326         Calculate only antic safe.
4327         (insert_into_preds_of_block): Remove assert.
4328         (execute_pre): Update for renamed functions.
4329         (defer_or_phi_translate_block): New function.
4330
4331 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
4332
4333         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
4334         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
4335         typos.
4336         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
4337         Follow spelling conventions.
4338
4339         * tree-data-ref.h: Remove the prototype for analyze_array.
4340
4341 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
4342
4343         PR tree-optimization/31041
4344         * tree-vect-transform.c (get_initial_def_for_induction): Call
4345         force_gimple_operand.
4346
4347 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
4348
4349         * ipa-type-escape.c (look_for_casts) : Revert code to use
4350         handled_component_p due to ada test a-numaux.adb.
4351
4352 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
4353
4354         * final.c (final_scan_insn): Alter the condition of a
4355         conditional trap if we have nonstandard CC.
4356
4357 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
4358
4359         * configure.ac: Remove excess quoting from asm line 0 test.
4360         * configure: Rebuilt.
4361
4362 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4363
4364         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
4365         * c-common.c (convert_and_check): Move warning logic to...
4366         (warnings_for_convert_and_check): ...here. Define.
4367         * c-common.h (warnings_for_convert_and_check): Declare.
4368
4369 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4370
4371         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
4372         (output_call): Likewise.
4373
4374 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
4375
4376         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
4377
4378 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
4379
4380         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
4381
4382 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
4383
4384         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
4385         opteron, athlon-64 and athlon-fx processor_alias_table entries.
4386
4387 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
4388
4389         PR tree-optimization/31183
4390         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
4391         Use double_int instead of unsigned int for representing access_strides.
4392         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
4393
4394 2007-03-16  Richard Guenther  <rguenther@suse.de>
4395
4396         PR tree-optimization/31146
4397         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
4398         to allow recursion of forward_propagate_addr_expr.
4399         (forward_propagate_addr_into_variable_array_index): Likewise.
4400         (forward_propagate_addr_expr): Likewise.
4401         (tree_ssa_forward_propagate_single_use_vars): Likewise.
4402         (forward_propagate_addr_expr_1): Recurse on simple copies
4403         instead of propagating into them.  Do so for useless conversions
4404         as well.
4405         (forward_propagate_addr_expr): Clean up unused statements after
4406         recursion.
4407
4408 2007-03-16  Richard Guenther  <rguenther@suse.de>
4409
4410         * builtins.c (expand_builtin_cexpi): Use the right argument
4411         for the expansion via cexp.
4412
4413 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
4414
4415         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
4416         * configure: Rebuilt.
4417
4418 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
4419
4420         PR debug/29906
4421         * dwarf2out.c (force_type_die): Adjust comment.
4422         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
4423
4424 2007-03-15  DJ Delorie  <dj@redhat.com>
4425
4426         * config/frv/predicates.md (minmax_operator): Don't check operands
4427         here.
4428
4429 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
4430
4431         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
4432         Update constant estimates of number of iterations.
4433         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
4434         argument renamed to "realistic".
4435         (compute_estimated_nb_iterations): Removed.
4436         (record_niter_bound): New function.
4437         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
4438         call record_nonwrapping_iv with upper = false.
4439         (infer_loop_bounds_from_signedness): Pass upper argument to
4440         record_nonwrapping_iv.
4441         (estimate_numbers_of_iterations_loop): Do not call
4442         compute_estimated_nb_iterations.  Record estimate based on profile
4443         information.  Initialize the constant estimates of number of
4444         iterations.
4445         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
4446         estimates.
4447         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
4448         number of iterations is too small.
4449         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
4450         (EST_NOT_AVAILABLE): Removed.
4451         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
4452         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
4453         fields.
4454
4455 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
4456
4457         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
4458         Handle NE_EXPR guards.
4459
4460 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4461
4462         PR c++/24924
4463         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
4464         Set also -pedantic-errors by default for the  preprocessor unless
4465         -fpermissive is given.
4466
4467 2007-03-15  Richard Guenther  <rguenther@suse.de>
4468
4469         PR middle-end/29719
4470         PR middle-end/31161
4471         * builtins.c (expand_builtin_cexpi): As a fallback if we
4472         don't have builtins for sincos or cexp create a function
4473         declaration for cexp and expand to a call to that.
4474         (expand_builtin_int_roundingfn): Always fall
4475         back to floor/ceil and its variants even if they may be
4476         not available.
4477
4478 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
4479
4480         PR middle-end/31159
4481         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
4482         jump tables, move the call to delete_dead_jumptables from here...
4483         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
4484         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
4485         don't allow merging of blocks that try_redirect_by_replacing_jump
4486         also does not handle when not optimizing.
4487
4488 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
4489             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
4490
4491         * config/i386/i386.md (x86_sahf_1): Correctly handle
4492         HAVE_AS_IX86_SAHF.
4493
4494 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
4495
4496         PR target/31167
4497         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
4498         x86_64_general_operand as operand[2] predicate.  Remove "iF"
4499         from operand constraints and use "e" constraint instead.
4500         (*subti3_1, *subti3_1 splitter): Ditto.
4501         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
4502         operand[1] predicate.
4503
4504 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
4505
4506         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
4507         arrays, multiply the access strides by the size of the sub-array.
4508         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
4509
4510 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
4511
4512         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
4513         the configured assembler supports the sahf mnemonic.
4514         * configure: Regenerate.
4515         * config.in: Regenerate.
4516
4517         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
4518         emit "sahf" or ".byte\t0x9e" as asm template.
4519
4520 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
4521
4522         PR 31018
4523         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
4524         option to replace hard coded TARGET_xxx in md file.
4525         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
4526         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
4527         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
4528         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
4529         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
4530         (X86_TUNE_NOT_VECTORMODE): Ditto.
4531         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
4532         (TUNE_AVOID_VECTOR_DECODE): Ditto.
4533         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
4534         (TUNE_SLOW_IMUL_IMM8): Ditto.
4535         (TUNE_MOVE_M1_VIA_OR): Ditto.
4536         (TUNE_NOT_UNPAIRABLE): Ditto.
4537         (TUNE_NOT_VECTORMODE): Ditto.
4538
4539         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
4540         options.
4541
4542         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
4543         tuning options instead of hard coded TARGET_xxx.
4544         (fix ssemode peephole2's): Ditto.
4545         (imul peephole2's): Ditto.
4546         (movsi_or): Ditto.
4547         (movdi_or_rex64): Ditto.
4548         (move peephole2): Ditto.
4549         (not peephole2's): Ditto.
4550
4551 2007-03-14  Dirk Mueller  <dmueller@suse.de>
4552
4553         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
4554         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
4555         * c-parser.c (c_parser_if_body): Always add an empty statement in case
4556         of empty body.
4557         * c-parser.c (c_parser_do_statement): Warn about empty body in
4558         do/while statement.
4559         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
4560         * doc/invoke.texi (-Wempty-body): Update documentation.
4561
4562 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4563
4564         PR c/21438
4565         * c-common.h (warn_for_div_by_zero): Declare.
4566         * c-common.c (warn_for_div_by_zero): Define.
4567         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
4568         warning.
4569
4570 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4571
4572         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
4573         to PREFIX and STANDARD_PREFIX.
4574
4575 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4576             Phil Edwards  <phil@codesourcery.com>
4577
4578         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
4579         (__gthread_once_t): Remove busy field for RTPs.
4580         (__GTHREAD_ONCE_INIT): Update accordingly.
4581
4582 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4583
4584         * doc/invoke.texi: Document VxWorks options.
4585
4586 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
4587
4588         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
4589
4590 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
4591
4592         PR tree-optimization/30590
4593         * tree-nrv.c (tree_nrv): Check for the partial update of the
4594         return value.
4595
4596 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
4597
4598         * flags.h (flag_random_seed): Remove declaration, in favor of...
4599         * toplev.h (get_random_seed, set_random_seed): ... these.
4600         * tree.c (get_file_function_name): Use the former.
4601         * opts.c (common_handle_option): Use the latter.
4602         * toplev.c
4603
4604 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
4605
4606         PR middle-end/31127
4607         * cse.c (cse_find_path): Do not bail out if a basic block that
4608         we already visited now becomes part of a path that starts at a
4609         different basic block.  Just disallow this, to make sure we
4610         visit each basic block at most once.
4611
4612 2007-03-13  Jan Hubicka  <jh@suse.cz>
4613
4614         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
4615         when profile esitmate is present, calls with very low frequency are
4616         cold.
4617
4618 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
4619
4620         PR tree-optimization/30730
4621         PR tree-optimization/26900
4622         * tree-ssa-loop-niter.c: Include gmp.h.
4623         (bounds): New type.
4624         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
4625         split_to_var_and_offset, determine_value_range,
4626         bound_difference_of_offsetted_base, refine_bounds_using_guard,
4627         bound_difference, bounds_add, bounds_negate,
4628         number_of_iterations_ne_max, dump_affine_iv): New functions.
4629         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
4630         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
4631         difference of initial and final value of control iv to validate
4632         results.
4633         (number_of_iterations_cond): Add loop parameter.  Determine bounds
4634         on the difference of the extremes of the control iv.  Add dumps.
4635         (expand_simple_operations): Handle phi nodes.
4636         (simplify_using_initial_conditions): Do not record used conditions.
4637         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
4638         Do not set additional_info.
4639         (implies_nonnegative_p, implies_ge_p): Removed.
4640         (derive_constant_upper_bound): Do not use parameter `additional'.
4641         (record_estimate): Parameter `additional' removed.  Parameter
4642         `i_bound' added.  Do not call derive_constant_upper_bound.
4643         (record_nonwrapping_iv): Use derive_constant_upper_bound to
4644         bound the number of iterations estimate.
4645         (estimate_numbers_of_iterations_loop): Pass the estimate from
4646         the number of iterations analysis to record_estimate.
4647         * tree.h (multiple_of_p): Declare.
4648         * tree-scalar-evolution.c (expression_expensive_p): Removed.
4649         (scev_const_prop): Do not check expression_expensive_p.
4650         * fold-const.c (multiple_of_p): Exported.
4651         * double-int.c (double_int_mask): Exported.
4652         * double-int.h (double_int_mask): Declare.
4653         * tree-flow.h (struct tree_niter_desc): Removed additional_info
4654         field.  Added max field.
4655
4656 2007-03-13  David Taylor  <taylor@candd.org>
4657
4658         PR driver/12448:
4659         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
4660         default -MQ.
4661
4662 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4663
4664         PR target/31123
4665         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
4666         two unamed patterns.
4667
4668 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
4669
4670         * config/i386/i386.opt (mcx16, msahf): New options.
4671         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
4672         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
4673
4674         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
4675         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
4676         Output -mcx16 and -msahf options when corresponding bit is set.
4677
4678         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
4679         and -msahf options.
4680
4681 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
4682
4683         * configure.ac: Test for assembler tolerance to # 0 "".
4684         * configure, config.in: Rebuilt.
4685         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
4686
4687 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
4688
4689         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
4690
4691         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
4692         (handle_syscall): Handle direct system calls.
4693         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
4694
4695 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
4696
4697         * doc/invoke.texi: Fix cpp.info cross-reference.
4698         * doc/passes.texi: Fix gcc.info cross-reference.
4699
4700 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
4701
4702         PR tree-optimization/30835
4703         * lambda-code.c (can_convert_to_perfect_nest): Check whether
4704         bb_for_stmt is not NULL before accessing it.
4705
4706 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
4707
4708         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
4709         some multilibs.
4710
4711 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
4712
4713         PR 30635
4714         * doc/install.texi: Document --enable-stage1-languages
4715
4716 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
4717
4718         * tree-pass.h (pass_into_cfg_layout_mode,
4719         pass_outof_cfg_layout_mode): Declare.
4720         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
4721         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
4722         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
4723         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
4724
4725 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
4726
4727         * c-decl.c (warn_variable_length_array): New function.
4728         Refactored from grokdeclarator to handle warn_vla
4729         and handle unnamed array case.
4730         (grokdeclarator): Refactored VLA warning case.
4731         * c.opt (Wvla): New flag.
4732         * doc/invoke.texi (Wvla): New warning.
4733
4734 2007-03-12  Richard Henderson  <rth@redhat.com>
4735
4736         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
4737         (TARGET_SECTION_TYPE_FLAGS): New.
4738
4739 2007-03-12  Richard Henderson  <rth@redhat.com>
4740
4741         * config/darwin.c (machopic_reloc_rw_mask): New.
4742         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
4743         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
4744
4745 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
4746
4747         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
4748         * cppdefault.h (cpp_PREFIX): Document.
4749         (cpp_PREFIX_len): Likewise.
4750         (cpp_EXEC_PREFIX): New variable.
4751         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
4752         * c-incpath.c (add_standard_paths): Correct logic for relocating
4753         paths within prefix.
4754
4755 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
4756
4757         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
4758         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
4759         mode macro.
4760         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
4761         fix_truncdfdi_sse using SSEMODEF mode macro.
4762         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
4763         fix_truncdfsi_sse using SSEMODEF mode macro.
4764         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
4765         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
4766
4767 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
4768
4769         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
4770         elfos.h to tm_file.
4771
4772 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
4773
4774         * tree.h : Add multiple_of_p declaration.
4775         * fold-const.c (multiple_of_p): Make multiple_of_p public.
4776         * ipa-type-escape.c (results_of_malloc): Redundant.
4777         (visited_stmts): New. Visited stmt for walk_use_def_chains.
4778         (cast_type): Extended with new members.
4779         (check_cast): Returns cast_type.
4780         (cast): New structure for data of walk_use_def_chains.
4781         (is_malloc_result, is_cast_from_non_pointer_1,
4782         is_cast_from_non_pointer,
4783         is_array_access_through_pointer_and_index): New functions.
4784         (look_for_casts): Returns cast types.
4785         (check_call): Returns void.
4786         (okay_pointer_operation): Use support of pointer plus index,
4787         pointer plus constant and allow all multiplications.
4788
4789 2007-03-11  Richard Guenther  <rguenther@suse.de>
4790
4791         PR tree-optimization/31115
4792         * tree-vrp.c (extract_range_from_binary_expr): Make sure
4793         the shift count is positive and non-anti-range for RSHIFT_EXPR.
4794         A shift count of zero is not special as with *_DIV_EXPR.
4795         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
4796         direction.
4797
4798 2007-03-11  Ian Lance Taylor  <iant@google.com>
4799
4800         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
4801         the *_DIV_EXPR codes correctly with overflow infinities.
4802
4803 2007-03-11  Ira Rosen  <irar@il.ibm.com>
4804
4805         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
4806         indicate success/failure of the analysis. Add negation to subtrahend
4807         in case of subtraction. Fail if both operands contain constants.
4808         (create_data_ref): Fail if analyze_offset fails.
4809
4810 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
4811
4812         * config/i386/i386.md (frndintxf2): Rename to ...
4813         (rintxf2): ... this. Remove expander having same name.
4814         (rintsf2, rintdf2): Implement using SSEMODEF macro.
4815         (roundsf2, rounddf2): Ditto.
4816         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
4817         (lround<mode>di2, lround<mode>si2): Ditto.
4818
4819 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
4820
4821         * lower-subreg.c: Include except.h.
4822         (decompose_multiword_subregs): Verify that the only control flow
4823         insns we can split are loads to multi-words pseudos.
4824         Handle breaking such blocks after splitting, instead of calling
4825         find_many_sub_basic_blocks.
4826
4827         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
4828         on the new basic block.  Add a lengthy comment explaining why we
4829         thought this was necessary.
4830         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
4831
4832 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
4833
4834         PR c++/30924
4835         * tree.c (walk_type_fields): Recurse into the element type of
4836         ARRAY_TYPEs if there is a pointer set.
4837
4838 2007-03-10  Dirk Mueller  <dmueller@suse.de>
4839
4840         * c-common.c (warn_logical_operator): Fix condition.
4841
4842 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
4843
4844         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
4845         quotation mark.
4846         * config/darwin.c (machopic_select_section): Remove superfluous
4847         argument in call to categorize_decl_for_section.  Remove unused
4848         variable shlib.
4849
4850 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
4851
4852         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
4853         defined.
4854         * configure: Regenerate.
4855
4856 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
4857
4858         PR target/31101
4859         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
4860         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
4861         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
4862         Add LABEL_NUSES to emitted label.
4863         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
4864         branch probability value to emitted jump insn.
4865         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
4866         Do not check life information and do not re-arrange input operands
4867         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
4868
4869 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4870
4871         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
4872         the change of decode_asm_operands.
4873
4874 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4875
4876         * mode-switching.c (create_pre_exit): Skip blockage insn.
4877
4878 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
4879
4880         * tree-pass.h (TODO_update_smt_usage): Remove.
4881         Update all users.
4882         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
4883         argument SOME.
4884         Update all users.
4885
4886 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4887
4888         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
4889         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
4890         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
4891         SOM target.
4892
4893 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
4894
4895         * gcc.c: Document %{, in big comment at top.
4896         (input_suffix_matches): Remove special handling for .s and
4897         .S.
4898         (input_spec_matches): New.
4899         (handle_braces): Handle %{,.
4900         (validate_switches): ',' indicates a value which is not a switch.
4901         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
4902         to detect assembler input.
4903         * config/i386/sol2.h (CPP_SPEC): Likewise.
4904         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
4905         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
4906         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
4907         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
4908         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
4909         -m64 causes deployment target to default to 10.5.
4910         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
4911
4912 2007-03-09  Richard Henderson  <rth@redhat.com>
4913
4914         PR target/26090
4915         * target.h (targetm.asm.out.reloc_rw_mask): New.
4916         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
4917         (TARGET_ASM_OUT): Use it.
4918         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
4919         * varasm.c (categorize_decl_for_section): Remove shlib argument;
4920         use the new reloc_rw_mask target hook instead.
4921         (default_section_type_flags_1): Merge into...
4922         (default_section_type_flags): ... here.
4923         (decl_readonly_section_1): Merge into...
4924         (decl_readonly_section): ... here.
4925         (default_elf_select_section_1): Merge into...
4926         (default_elf_select_section): ... here.
4927         (default_unique_section_1): Merge into...
4928         (default_unique_section): ... here.
4929         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
4930         (default_select_rtx_section): Use it.
4931         (default_elf_select_rtx_section): Likewise.
4932         * output.h: Update to match.
4933         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
4934         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
4935         (TARGET_ASM_RELOC_RW_MASK): New.
4936         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
4937         to categorize_decl_for_section.
4938         (x86_64_elf_unique_section): Likewise.
4939         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
4940         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
4941         (TARGET_ASM_RELOC_RW_MASK): New.
4942         * config/ia64/ia64.c (ia64_rwreloc_select_section,
4943         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
4944         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
4945         (TARGET_RWRELOC): Remove.
4946         (ia64_section_type_flags): Adjust call to default_section_type_flags.
4947         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
4948         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
4949         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
4950         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
4951         (rs6000_xcoff_select_section): Use decl_readonly_section.
4952         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
4953         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
4954         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
4955         (TARGET_SECTION_TYPE_FLAGS): Remove.
4956         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
4957
4958 2007-03-09  Roger Sayle  <roger@eyesopen.com>
4959
4960         * fold-const.c (fold_comparison): Remove compile-time evaluation of
4961         complex constant equality/inequality comparisons for here.
4962         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
4963         known at compile-time or can be simplified to a scalar comparison.
4964         (fold_relational_const): Move compile-time evaluation of complex
4965         constant equality/inequality comparisons to here.
4966
4967 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
4968
4969         PR rtl-optimization/30643
4970         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
4971         dest_addr_elt.
4972         (fold_rtx): Recurse, like before 2006-11-03.
4973
4974 2007-03-09  DJ Delorie  <dj@redhat.com>
4975
4976         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
4977         m32c-pragma.o.
4978
4979 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
4980
4981         PR tree-optimization/30375
4982         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
4983         LHS of statements is not the same.
4984         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
4985
4986 2007-03-09  Chao-ying Fu  <fu@mips.com>
4987
4988         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
4989         REV 2.
4990         * doc/invoke.texi (-mdspr2): Document new option.
4991         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
4992         New unspec for DSP REV 2.
4993         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
4994         these instructions are extended in DSP REV 2.
4995         (mips-dspr2.md): Include.
4996         * config/mips/mips.opt (mdspr2): New option.
4997         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
4998         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
4999         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
5000         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
5001         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
5002         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
5003         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
5004         and 2 builtins.
5005         (bdesc_map): Add one field of unsupported_target_flags.
5006         (bdesc_arrays):  Update entries to have extra fields.  Add
5007         dsp_32only_bdesc.
5008         (mips_init_builtins): Initialize new function types.
5009         Check unsupported_target_fileds to filter out builtins.
5010         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
5011         TARGET_DSPR2.
5012         (ASM_SPEC): Pass mdspr2 to the assembler.
5013         * config/mips/mips-dspr2.md: New file.
5014
5015 2007-03-09  Sa Liu  <saliu@de.ibm.com>
5016
5017         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
5018
5019 2007-03-09  Ian Lance Taylor  <iant@google.com>
5020
5021         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
5022         argument) like -Wstrict-overflow=2.
5023         * doc/invoke.texi (Warning Options): Update documentation.
5024
5025 2007-03-09  Dirk Mueller  <dmueller@suse.de>
5026
5027         PR c++/17946
5028         * doc/invoke.texi (-Wlogical-op): Document.
5029         * common.opt (-Wlogical-op): New.
5030         * c-common.h (warn_logical_operator): Declare.
5031         * c-common.c (warn_logical_operator): Define.
5032         * c-typeck.c (parser_build_binary_op): Call
5033         warn_logical_operator.
5034
5035 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
5036
5037         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
5038         * final.c (final_scan_insn): Test for non-"" file name.
5039
5040 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
5041
5042         * doc/loop.texi: Document the Omega linear constraints solver.
5043         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
5044         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
5045         omega-hash-table-size, omega-max-keys, and
5046         omega-eliminate-redundant-constraints.
5047         * tree-pass.h (pass_check_data_deps): Declared.
5048         * omega.c: New.
5049         * omega.h: New.
5050         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
5051         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
5052         pass_check_data_deps): New.
5053         * tree-data-ref.c (init_data_ref): Remove declaration.
5054         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
5055         (analyze_array): Renamed init_array_ref, move up initializations.
5056         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
5057         Removed arguments that are set to NULL.
5058         (analyze_indirect_ref): Correct indentation, correct call to
5059         init_pointer_ref.
5060         (object_analysis): Call init_array_ref instead of analyze_array.
5061         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
5062         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
5063         of DR_ACCESS_FNS_ADDR.
5064         (init_omega_eq_with_af, omega_extract_distance_vectors,
5065         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
5066         ddr_consistent_p): New.
5067         (compute_affine_dependence): Check consistency of ddrs when
5068         flag_check_data_deps is passed.
5069         (analyze_all_data_dependences): Uncomment.
5070         (tree_check_data_deps): New.
5071         * tree-data-ref.h: Include omega.h.
5072         (DR_ACCESS_FNS_ADDR): Removed.
5073         (data_dependence_relation): Add inner_loop.
5074         (DDR_INNER_LOOP): New.
5075         * common.opt (fcheck-data-deps): New.
5076         * tree-flow.h (tree_check_data_deps): Declare.
5077         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
5078         (OBJS-common): Depend on omega.o.
5079         (omega.o): Define.
5080         * passes.c (pass_check_data_deps): Scheduled.
5081         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
5082         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
5083         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
5084         PARAM_VECT_MAX_VERSION_CHECKS,
5085         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
5086
5087 2007-03-09  Richard Guenther  <rguenther@suse.de>
5088
5089         PR tree-optimization/30904
5090         PR middle-end/31058
5091         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
5092         the same way as *_DIV_EXPR.
5093
5094 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
5095
5096         * recog.c (decode_asm_operands): No mixed declarations and code.
5097
5098 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
5099
5100         * rtl.def (ASM_INPUT): Add location.
5101         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
5102         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
5103         (decode_asm_operands): Add loc operand.
5104         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
5105         * stmt.c (expand_asm): Rename to...
5106         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
5107         gen_rtx_ASM_INPUT_loc.
5108         (expand_asm_expr): Adjust.
5109         * recog.c (decode_asm_operands): Add loc operand.
5110         (check_asm_operands, extract_insn): Adjust.
5111         * reload1.c (maybe_fix_stack_asms): Likewise.
5112         * final.c (asm_insn_count): Likewise.
5113         (final_scan_insn): Output # line before and after asm.
5114
5115 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
5116
5117         * tree-ssa-structalias.c (variable_info): Remove
5118         finished_solution.
5119         (new_var_info): Ditto.
5120         (shared_bitmap_info_t): New structure.
5121         (shared_bitmap_table): New variable.
5122         (shared_bitmap_hash): New function.
5123         (shared_bitmap_eq): Ditto
5124         (shared_bitmap_lookup): Ditto.
5125         (shared_bitmap_add): Ditto.
5126         (merge_smts_into): Change to take bitmap directly.
5127         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
5128         (init_alias_vars): Init shared bitmap hashtable.
5129         (delete_points_to_sets): Delete shared bitmap hashtable.
5130         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
5131         is_aliased removal as a change that was still necessary was
5132         deleted.
5133
5134 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
5135
5136         * config/i386/i386.h (override_options): Conditionally disable
5137         x86_sahf for 64bit targets only.
5138
5139 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5140
5141         PR C/31072
5142         * c-decl.c (merge_decls): Don't call make_var_volatile.
5143         * varasm.c (make_var_volatile): Remove.
5144         * output.h (make_var_volatile): Remove.
5145
5146 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
5147
5148         PR tree-optimization/31085
5149         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
5150
5151 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5152
5153         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
5154         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
5155         ATTR_CONST_NOTHROW_LIST.
5156
5157         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
5158         FIX_TRUNC_EXPR.
5159
5160 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
5161
5162         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
5163
5164 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
5165
5166         PR 31013
5167         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
5168         is declared.
5169         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
5170         passed, use shared libgcc.
5171
5172 2007-03-08  Roger Sayle  <roger@eyesopen.com>
5173
5174         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
5175         instead of calling build2 with a GIMPLE_MODIFY_STMT.
5176         (honor_protect_cleanup_actions, lower_try_finally_switch):
5177         Likewise.
5178         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
5179         ifc_temp_var): Likewise.
5180         * tree-inline.c (setup_one_parameter): Likewise.
5181         * tree-mudflap.c (mf_decl_cache_locals,
5182         mf_build_check_statement_for): Likewise.
5183         * tree-nested.c (init_tmp_var, save_tmp_var,
5184         finalize_nesting_tree_1): Likewise.
5185         * tree-outof-ssa.c (insert_copy_on_edge,
5186         insert_backedge_copies): Likewise.
5187         * tree-profile.c (tree_gen_edge_profiler,
5188         tree_gen_ic_profiler): Likewise.
5189         * tree-scalar-evolution.c (scev_const_prop): Likewise.
5190         * tree-sra.c (sra_build_assignment): Likewise.
5191         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
5192         * tree-ssa-math-opts.c (insert_reciprocals,
5193         execute_cse_sincos_1): Likewise.
5194         * tree-tailcall.c (adjust_accumulator_values,
5195         adjust_return_value): Likewise.
5196         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
5197         * tree-vect-transform.c (vect_create_data_ref_ptr,
5198         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
5199         vect_create_epilog_for_reduction, vectorizable_reduction,
5200         vectorizable_call, vectorizable_conversion,
5201         vectorizable_assignment, vectorizable_operation,
5202         vectorizable_type_demotion, vect_gen_widened_results_half,
5203         vect_permute_store_chain, vectorizable_store,
5204         vect_setup_realignment, vect_permute_load_chain,
5205         vectorizable_load, vectorizable_condition,
5206         vect_create_cond_for_align_checks): Likewise.
5207         * tree-vrp.c (build_assert_expr_for): Likewise.
5208
5209 2007-03-08  Ian Lance Taylor  <iant@google.com>
5210
5211         * tree-vrp.c: Include "intl.h".
5212         (usable_range_p): New static function.
5213         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
5214         overflowed values, juts set *strict_overflow_p.
5215         (compare_values): Only return -2 if one of the operands is not a
5216         constant.
5217         (compare_ranges): Call usable_range_p.
5218         (compare_range_with_value): Likewise.
5219         (vrp_evaluate_conditional_warnv): Rename from
5220         vrp_evaluate_conditional.  Make static.  Change all callers.
5221         (vrp_evaluate_conditional): New function.
5222         (simplify_div_or_mod_using_ranges): Issue warning about reliance
5223         on signed overflow.
5224         (simplify_abs_using_ranges): Likewise.
5225         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
5226         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
5227         within_stmt parameter.
5228         * tree-ssa-propagate.c (fold_predicate_in): Update call to
5229         vrp_evaluate_conditional.
5230         * tree-ssa-threadedge.c
5231         (record_temporary_equivalences_from_stmts_at_dest): Change
5232         simplify parameter to take a second tree parameter.
5233         (simplify_control_stmt_condition): Likewise.
5234         (thread_across_edge): Likewise.
5235         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
5236         (thread_across_edge): Likewise.
5237         * Makefile.in (tree-vrp.o): Depend upon intl.h.
5238
5239 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
5240
5241         * config/i386/i386.h (TARGET_SAHF): New define.
5242         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
5243         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
5244         (x86_sahf): New global variable.
5245         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
5246         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
5247         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
5248         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
5249         for 64-bit.
5250         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
5251         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
5252         when expanding fcomi/sahf based tests.
5253         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
5254         expanding sahf based alternative. Emit sahf based sequence when
5255         optimizing for code size.
5256         * config/i386/i386.md (x86_sahf_1): Do not disable for
5257         TARGET_64BIT, enable for TARGET_SAHF.
5258
5259 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
5260
5261         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
5262         spurious whitespace from error message.
5263
5264 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
5265
5266         PR c++/30852
5267         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
5268
5269 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
5270
5271         * c-decl.c (grokdeclarator): Disable warnings for anonymous
5272         bitfields.
5273         * tree-sra.c (instantiate_element): Propagate disabled warnings
5274         from the element itself to the created variable.
5275
5276 2007-03-07  Richard Henderson  <rth@redhat.com>
5277
5278         PR target/30848
5279         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
5280         silently fix up the stack in the case of a missing register.
5281
5282 2007-03-07  Paul Brook  <paul@codesourcery.com>
5283
5284         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
5285
5286 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
5287
5288         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
5289         New.
5290         (phase1_vrs): Use them.
5291         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
5292         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
5293         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
5294         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
5295         __gnu_Unwind_Restore_WMMXC if required.
5296         (_Unwind_VRS_Pop): Implement iWMMXt support.
5297         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
5298         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
5299         gnu_Unwind_Save_WMMXC): Define.
5300
5301 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
5302
5303         * config/vxworks.h (vxworks_override_options): Declare.
5304         (VXWORKS_OVERRIDE_OPTIONS): Use it.
5305         * config/vxworks.c: Include target.h and toplev.h.
5306         (vxworks_override_options): New function.
5307         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
5308
5309 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
5310
5311         * config/s390/s390.c (override_options): Don't emit an error when
5312         -mstack-size is used without providing -mstack-guard.
5313         (s390_emit_prologue): Choose stack_guard value automatically if not
5314         provided via command line.
5315         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
5316
5317 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
5318
5319         * config/i386/i386.c (output_set_got): Add a GOT initialization
5320         sequence for VxWorks PIC.
5321         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
5322         around labels as well as symbols.  Use gotoff_operand instead
5323         of local_symbolic_operand.
5324         (legitimize_pic_address): Use gotoff_operand instead of
5325         local_symbolic_operand.  Use @GOT accesses for labels as
5326         well as symbols.
5327         (ix86_output_addr_diff_elt): Use PC-relative rather than
5328         GP-relative offsets for VxWorks PIC.
5329         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
5330         no_new_pseudos.  Check whether the returned register is op0.
5331         * config/i386/i386.md (tablejump): Use PC-relative rather than
5332         GP-relative offsets for VxWorks PIC.
5333         * config/i386/predicates.md (gotoff_operand): New predicate.
5334
5335 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5336
5337         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
5338         before defining.
5339         * config/vxworks-dummy.h: New file.
5340         * config/i386/i386.h: Include it.
5341
5342 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
5343
5344         * dwarf2out.c (is_inlined_entry_point): New
5345         (add_high_low_attributes): Emit DW_AT_entry_pc along with
5346         DW_AT_ranges if the first subblock is the entry point.
5347
5348 2007-03-06  David Daney  <ddaney@avtrex.com>
5349
5350         * doc/install.texi (mips-*-*): Change recommended binutils
5351         version.
5352
5353 2007-03-06  Anatoly Sokolov <aesok@post.ru>
5354
5355         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
5356         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
5357         devices.
5358         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5359         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5360
5361 2007-03-06  Jan Hubicka  <jh@suse.cz>
5362
5363         * errors.h (warning, error, fatal, internal_error): Mark as cold.
5364         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
5365         are hot.
5366         (probably_cold_bb_p): Cold functions are cold.
5367         (probably_never_executed_bb_p): Cold functions are cold.
5368         (tree_bb_level_predictions): Predict calls to cold functions as not
5369         taken.
5370         (compute_function_frequency): Check hot/cold attributes.
5371         * function.h (function_frequency): Update comments.
5372         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
5373         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
5374         (c_common_att): Add cold and hot.
5375
5376         * doc/extend.texi (hot,cold attributes): Document.
5377
5378 2007-03-06  Andrew Haley  <aph@redhat.com>
5379
5380         * function.c (expand_function_end): Move blockage to just after we
5381         emit the label for the naked return from the function.
5382
5383 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5384
5385         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
5386         before redefining.
5387
5388 2007-03-06  Jan Hubicka  <jh@suse.cz>
5389
5390         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
5391         loaded for constant large models.  Non-large 64bit PIC can do.
5392         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
5393         * cmodel.h: Add LARGE PIC.
5394         * i386.md (UNSPEC_PLTOFF): New.
5395         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
5396         needed.
5397         (*call_1_rex64): Disable for large models.
5398         (*call_1_rex64_large): New.
5399         (*call_value_1_rex64): Disable for large models.
5400         (*call_value_1_rex64_large): New.
5401         (set_rip_rex4): New.
5402         (set_got_offset_rex64): New.
5403         * predicates.md (constant_call_address_operand): For large model
5404         constant calls are not possible.
5405         * i386-protos.h (construct_plt_address): Declare.
5406         * i386.c (override_options): Accept large models.
5407         (ix86_expand_prologue): Expand large PIC GOT pointer load.
5408         (legitimate_constant_p): Add new UNSPECs.
5409         (legitimate_pic_operand_p): Likewise.
5410         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
5411         (legitimize_pic_address): Do easy RIP relative way for TLS only for
5412         non-large model.
5413         (output_pic_addr_const): Add PLTOFF.
5414         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
5415         (ix86_expand_move): Legitimize pic address when in PIC mode.
5416         (construct_plt_address): New function.
5417         (ix86_expand_call): Offload the address to register and use GOT pointer
5418         for large model.
5419         * invoke.texi (mcmodel=large): Update documentation.
5420
5421 2007-03-06  Richard Henderson  <rth@redhat.com>
5422
5423         * config/i386/i386.c (x86_use_leave, x86_push_memory,
5424         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
5425         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
5426         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
5427         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
5428         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
5429         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
5430         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
5431         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
5432         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
5433         x86_partial_reg_dependency, x86_memory_mismatch_stall,
5434         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
5435         x86_sse_partial_reg_dependency, x86_sse_split_regs,
5436         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
5437         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
5438         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
5439         x86_schedule, x86_use_bt, x86_pad_returns,
5440         x86_use_xchgb): Merge into ...
5441         (ix86_tune_features): ... here.  New array.
5442         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
5443         x86_bswap): Merge into ...
5444         (ix86_arch_features): ... here.  New array.
5445         (x86_3dnow_a): Remove.
5446         (x86_accumulate_outgoing_args): Make static.
5447         (x86_arch_always_fancy_math_387): Make static.
5448         (ix86_tune_mask, ix86_arch_mask): Move ...
5449         (override_options): ... to local variables here.  Apply the
5450         appropriate mask to each element of ix86_arch_features and
5451         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
5452         as were done in the old macros.
5453         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
5454         * config/i386/i386.h (x86_use_leave, x86_push_memory,
5455         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
5456         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
5457         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
5458         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
5459         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
5460         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
5461         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
5462         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
5463         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
5464         x86_partial_reg_dependency, x86_memory_mismatch_stall,
5465         x86_accumulate_outgoing_args, x86_prologue_using_move,
5466         x86_epilogue_using_move, x86_decompose_lea,
5467         x86_arch_always_fancy_math_387, x86_shift1,
5468         x86_sse_partial_reg_dependency, x86_sse_split_regs,
5469         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
5470         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
5471         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
5472         x86_use_incdec, x86_pad_returns, x86_bswap,
5473         x86_partial_flag_reg_stall): Remove.
5474         (enum ix86_tune_indices): New.
5475         (ix86_tune_features): New.
5476         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
5477         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
5478         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
5479         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
5480         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
5481         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
5482         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
5483         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
5484         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
5485         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
5486         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
5487         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
5488         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
5489         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
5490         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
5491         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
5492         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
5493         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
5494         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
5495         TARGET_EXT_80387_CONSTANTS): Use it.
5496         (enum ix86_arch_indices): New.
5497         (ix86_arch_features): New.
5498         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
5499         TARGET_BSWAP): Use it.
5500         (ix86_tune_mask, ix86_arch_mask): Remove.
5501
5502 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
5503
5504         PR bootstrap/31020
5505         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
5506         Define using $${sysroot_headers_suffix}.
5507         * configure: Regenerate.
5508         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
5509         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
5510         defined.
5511         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
5512         * gcc.c (print_sysroot_headers_suffix): New.
5513         (option_map): Include --print-sysroot-headers-suffix.
5514         (display_help): Mention -print-sysroot-headers-suffix.
5515         (process_command): Handle -print-sysroot-headers-suffix.
5516         (do_spec_1): Append multilib directory to include-fixed path if
5517         sysroot suffixes in use.
5518         (main): Handle -print-sysroot-headers-suffix.
5519         * Makefile.in (start.encap): Don't depend on xlimits.h
5520         (xlimits.h): Remove.
5521         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
5522         limits.h for each multilib in fixinc_list.
5523         (fixinc_list, s-fixinc_list): New.
5524         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
5525         generate them for each multilib in fixinc_list.
5526         (stmp-fixproto): Use include-fixed.  Run fixproto for each
5527         multilib in fixinc_list.
5528         (mostlyclean): Don't remove xlimits.h.
5529         (clean): Remove include-fixed.
5530         (real-install-headers-tar, real-install-headers-cpio,
5531         real-install-headers-cp): Don't copy include, only include-fixed.
5532         (install-mkheaders): Depend on fixinc_list.  Don't depend on
5533         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
5534         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
5535         SYSTEM_HEADER_DIR setting in mkheaders.conf.
5536
5537 2007-03-06  Jan Hubicka  <jh@suse.cz>
5538
5539         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
5540         NANs easilly.
5541
5542 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5543
5544         * configure.ac: Allow tm_file to contain build-directory files.
5545         * configure: Regenerate.
5546         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
5547         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
5548         * config/m68k/print-sysroot-suffix.sh: New file.
5549
5550 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5551
5552         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
5553         of pic_offset_table_rtx if reload_completed.
5554         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
5555         PIC_OFFSET_TABLE_REGNUM.
5556         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
5557         return true.
5558         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
5559         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
5560
5561 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5562
5563         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
5564         functions that call eh_return.
5565
5566 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5567
5568         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
5569         functions that need a constant pool.
5570
5571 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5572
5573         PR target/28181
5574         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
5575         (m68k_preferred_reload_class): Likewise.
5576         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
5577         (SECONDARY_RELOAD_CLASS): Define.
5578         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
5579         (LIMIT_RELOAD_CLASS): Delete.
5580         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
5581         registers from storing bytes.
5582         (m68k_secondary_reload_class): New function.
5583         (m68k_preferred_reload_class): Likewise.
5584
5585 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5586
5587         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
5588         leaf functions.
5589         (m68k_expand_prologue): Likewise.
5590
5591 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5592
5593         * config/m68k/m68k-protos.h (output_sibcall): Declare.
5594         (mips_expand_epilogue): Add a bool parameter.
5595         (m68k_legitimize_sibcall_address): Declare.
5596         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
5597         (m68k_expand_epilogue): Add a parameter to select between sibling
5598         and normal epilogues.  Only generate a return for the latter.
5599         (m68k_ok_for_sibcall_p): New function.
5600         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
5601         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
5602         (sibcall_value, *sibcall_value): Likewise.
5603         (*call, *call_value): Require !SIBLING_CALL_P.
5604         (epilogue): Update call to m68k_expand_epilogue.
5605         (sibcall_epilogue): New pattern.
5606         * config/m68k/predicates.md (const_call_operand): Say that this
5607         predicate applies to sibling calls too.
5608         (sibcall_operand): New predicate.
5609
5610 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5611
5612         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
5613         alternatives as movsi_cf.
5614         (movsf_cf_hard): Add commentary.
5615
5616 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
5617             Richard Sandiford  <richard@codesourcery.com>
5618
5619         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
5620         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
5621         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
5622         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
5623         as being live on exit from an interrupt function.
5624         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
5625         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
5626         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
5627         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
5628         (m68k_interrupt_function_p): Globalize.
5629         (m68k_compute_frame_layout): Remove reverse mask code.
5630         (m68k_emit_movem, m68k_set_frame_related): New functions.
5631         (m68k_output_function_prologue): Delete in favor of...
5632         (m68k_expand_prologue): ...this new function.
5633         (m68k_output_function_epilogue): Delete in favor of...
5634         (m68k_expand_epilogue): ...this new function.
5635         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
5636         functions.
5637         (print_operand): Handle %?.
5638         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
5639         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
5640         (prologue, epilogue): New patterns.
5641         (return): Turn into a define_expand.
5642         (*return): New pattern, derived from old "return" pattern.  Use rte
5643         rather than rts for interrupt functions.  Only use rtd if the pop
5644         count is nonzero.
5645         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
5646         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
5647         (link, *link, unlink, *unlink, load_got): Likewise.
5648
5649 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5650
5651         PR target/23482
5652         PR target/17114
5653         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
5654         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
5655         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
5656         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
5657         and m68k_matches_u_p.
5658         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
5659         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
5660         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
5661         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
5662         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
5663         (REG_STRICT_P): New macro.
5664         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
5665         PCREL_GENERAL_OPERAND_OK.
5666         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
5667         m68k_legitimate_base_reg_p.
5668         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
5669         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
5670         (PIC_CASE_VECTOR_ADDRESS): Update comment.
5671         * config/m68k/m68k.c (m68k_address): New structure.
5672         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
5673         (m68k_decompose_index, m68k_legitimate_constant_address_p)
5674         (m68k_jump_table_ref_p, m68k_decompose_address)
5675         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
5676         (m68k_matches_u_p): New functions.
5677         (print_operand_address): Rewrite to use m68k_decompose_index.
5678
5679 2007-03-05  David Taylor  <dtaylor@emc.com>
5680
5681         * gcc.c: Correct copyright date in --version output.
5682
5683 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5684
5685         * pa.md: In unamed move patterns, disparge copies between general
5686         and floating point registers using '?' modifier.  Don't include 'f'
5687         constraint for register preferences in DImode, SImode, HImode and
5688         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
5689         Remove constraints for copies between general and floating registers
5690         in soft-float DFmode pattern.
5691         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
5692         floating register.
5693         (movsf): Likewise.
5694
5695 2007-03-05  Mike Stump  <mrs@apple.com>
5696
5697         * c-common.c (targetcm): Add.
5698         * c-opts.c (c_common_handle_option): Handle language specific
5699         target options.
5700         * opts.c (handle_option): Verify language for target options, if
5701         any are given.
5702         * opth-gen.awk: Add CL_LANG_ALL.
5703         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
5704         (TARGETCM_INITIALIZER): Add.
5705         * target.h (struct gcc_targetcm): Add.
5706         (targetcm): Add.
5707         * targhooks.c (default_handle_c_option): Add.
5708         * targhooks.h (default_handle_c_option): Add.
5709         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
5710
5711         * config/darwin.opt (iframework): Add.
5712         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
5713         * config/darwin-c.c (handle_c_option): Add.
5714         (TARGET_HANDLE_C_OPTION): Add.
5715         (targetcm): Add.
5716         * doc/invoke.texi (Darwin Options): Add -iframework.
5717
5718 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5719
5720         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
5721         conversion.
5722
5723 2007-03-05  Ian Lance Taylor  <iant@google.com>
5724
5725         * c.opt (fgnu89-inline): New option.
5726         * c-opts.c (c_common_post_options): Set default value for
5727         flag_gnu89_inline.
5728         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
5729         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
5730         inline functions.
5731         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
5732         (grokdeclarator, start_function): Likewise.
5733         * c-cppbuiltin.c (c_cpp_builtins): Define either
5734         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
5735         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
5736         (C Dialect Options): Document -fgnu89-inline.
5737         * doc/extend.texi (Function Attributes): Explain what the
5738         gnu_inline attribute does.
5739         * doc/cpp.texi (Common Predefined Macros): Document
5740         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
5741
5742 2007-03-05  Ian Lance Taylor  <iant@google.com>
5743
5744         PR tree-optimization/31034
5745         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
5746         half-range if the other side is an overflow infinity.
5747
5748 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
5749
5750         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
5751         (bfin*-linux-uclibc*): New configuration.
5752         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
5753         defining.
5754         * config/bfin/linux.h: New file.
5755         * config/bfin/libgcc-bfin.ver: New file.
5756         * config/bfin/t-bfin-uclinux: New file.
5757         * config/bfin/t-bfin-linux: New file.
5758         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
5759         (TARGET_OS_CPP_BUILTINS): New macro.
5760
5761 2007-03-05  Richard Guenther  <rguenther@suse.de>
5762
5763         * fold-const.c (fold_binary): Remove duplicate folding
5764         of comparison of non-null ADDR_EXPR against null.
5765
5766 2007-03-05  Richard Guenther  <rguenther@suse.de>
5767             Dorit Nuzman  <dorit@il.ibm.com>
5768
5769         PR tree-optimization/26420
5770         * tree-vectorizer.c (vectorize_loops): Bail out early if there
5771         are no loops in the function.  Only print the number of
5772         vectorized loops if it is greater than zero or we are supposed
5773         to print information about unvectorized loops.
5774
5775 2007-03-05  Revital Eres  <eres@il.ibm.com>
5776
5777         * gcc.dg/var-expand1.c: New test.
5778         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
5779         when an accumulator is expanded.
5780
5781 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5782
5783         PR other/30465
5784         * c-common.c (convert_and_check): Don't give warnings for
5785         conversion if 'expr' already overflowed.
5786
5787 2007-03-04  Roger Sayle  <roger@eyesopen.com>
5788
5789         PR middle-end/30744
5790         * fold-const.c (fold_comparison): Enforce type consistency when
5791         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
5792
5793 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
5794
5795         * tree-ssa-address.c (create_mem_ref): Do not put an expression
5796         containing a cast to the base of TARGET_MEM_REF.
5797
5798 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
5799
5800         * tree.c (tree_contains_struct_check_failed): Remove spurious
5801         whitespace from error message.
5802
5803 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
5804
5805         PR target/30406
5806         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
5807         instead of precision.
5808
5809 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
5810             Nathan Sidwell  <nathan@codesourcery.com>
5811
5812         * emit-rtl.c (find_auto_inc): New.
5813         (try_split): recreate REG_INC notes,
5814         Use regular for loops rather than whiles.
5815
5816 2007-03-03  Andreas Schwab  <schwab@suse.de>
5817
5818         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
5819         * configure: Regenerate.
5820
5821 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5822
5823         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
5824         flag_rounding_math, not flag_unsafe_math_optimizations.
5825
5826         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
5827         fold_build2.
5828         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
5829         alpha_fold_vector_minmax): Likewise.
5830         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
5831         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
5832
5833 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
5834
5835         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
5836         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
5837         if the lhs has side-effects.
5838         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
5839
5840 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5841
5842         * config/i386/i386.h (TUNEMASK): Remove define.
5843         (ARCHMASK): Remove define.
5844         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
5845          Use ix86_arch_mask variable instead of ARCHMASK.
5846         * config/i386/i386.c (override_options): Ditto.
5847         (standard_80387_constant_p): Ditto.
5848
5849 2007-03-02  Ian Lance Taylor  <iant@google.com>
5850
5851         Used signed infinities in VRP.
5852         * tree-vrp.c (uses_overflow_infinity): New static function.
5853         (supports_overflow_infinity): New static function.
5854         (make_overflow_infinity): New static function.
5855         (negative_overflow_infinity): New static function.
5856         (positive_overflow_infinity): New static function.
5857         (is_negative_overflow_infinity): New static function.
5858         (is_positive_overflow_infinity): New static function.
5859         (is_overflow_infinity): New static function.
5860         (overflow_infinity_range_p): New static function.
5861         (compare_values_warnv): New function split out of compare_values.
5862         (compare_value): Call it.
5863         (set_value_range_to_nonnegative): Add overflow_infinity
5864         parameter.  Change caller.
5865         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
5866         Change callers.
5867         (vrp_expr_computes_nonzero): Likewise.
5868         (compare_ranges, compare_range_with_value): Likewise.
5869         (compare_name_with_value, compare_names): Likewise.
5870         (vrp_evaluate_conditional): Likewise.
5871         (set_value_range): Handle infinity
5872         (vrp_operand_equal_p, operand_less_p): Likewise.
5873         (extract_range_from_assert): Likewise.
5874         (vrp_int_const_binop): Likewise.
5875         (extract_range_from_binary_expr): Likewise.
5876         (extract_range_from_unary_expr): Likewise.
5877         (extract_range_from_comparison): Likewise.
5878         (extract_range_from_expr): Likewise.
5879         (dump_value_range): Likewise.
5880         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
5881         (test_for_singularity): Likewise.
5882         (vrp_int_const_binop): Remove inline qualifier.
5883         (adjust_range_with_scev): Add comment.
5884         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
5885
5886 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
5887
5888         * tree-ssa-structalias.c (could_have_pointers): Tidy.
5889         (get_constraint_for): Likewise.
5890         (do_structure_copy): Likewise.
5891         (find_func_aliases): Fix references to MODIFY_EXPR.
5892         (intra_create_variable_infos): Tidy.
5893         * tree-ssa-operands.c (add_virtual_operand): Add argument
5894         IS_CALL_SITE.
5895         When adding members of alias sets, if IS_CALL_SITE is true and
5896         the symbol is not call-clobbered, skip it.
5897         Adjust all callers.
5898
5899 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
5900
5901         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
5902         entry by means of emit_insn_at_entry.
5903
5904 2007-03-02  Richard Henderson  <rth@redhat.com>
5905
5906         * expr.h (promoted_input_arg): Remove decl.
5907         * function.c (promoted_input_arg): Merge into ...
5908         * combine.c (setup_incoming_promotions): ... only caller.
5909         Rearrange to avoid double loop.
5910
5911 2007-03-02  Ben Elliston  <bje@au.ibm.com>
5912             Peter Bergner  <bergner@vnet.ibm.com>
5913             Janis Johnson  <janis187@us.ibm.com>
5914
5915         * config/rs6000/dfp.md: New file.
5916         * config/rs6000/rs6000.md: Include dfp.md.
5917         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
5918         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
5919         and TDmode decimal float modes in FP registers.
5920         (num_insns_constant): Likewise.
5921         (rs6000_legitimate_offset_address_p): Likewise.
5922         (rs6000_legitimize_address): Likewise.
5923         (rs6000_legitimize_reload_address): Likewise.
5924         (rs6000_legitimate_address): Likewise.
5925         (rs6000_emit_move): Likewise.
5926         (function_arg_boundary): Likewise.
5927         (function_arg_advance): Likewise.
5928         (rs6000_darwin64_record_arg_recurse): Likewise.
5929         (function_arg): Likewise.
5930         (rs6000_gimplify_va_arg): Likewise.
5931         (rs6000_split_multireg_move): Likewise.
5932         (rs6000_output_function_epilogue): Likewise.
5933         (rs6000_output_function_epilogue): Likewise.
5934         (rs6000_register_move_cost): Likewise.
5935         (rs6000_function_value): Likewise.
5936         (rs6000_libcall_value): Likewise.
5937
5938 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
5939
5940         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
5941
5942 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
5943
5944         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
5945         Use $MULTIDIR to choose between the kernel and RTP headers,
5946         and use $WIND_BASE and $WIND_USR to locate them.
5947
5948 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5949
5950         * config/i386/i386.c (override_options): Put initialization of
5951         ix86_tune_mask and ix86_arch_mask to the correct place.
5952
5953 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5954             Michael Meissner  <michael.meissner@amd.com>
5955
5956         PR target/31019
5957         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
5958         (ARCHMASK): Define.
5959         (TARGET_CMOVE): Use ARCHMASK.
5960         (TARGET_CMPXCHG): Ditto.
5961         (TARGET_CMPXCHG8B): Ditto.
5962         (TARGET_XADD): Ditto.
5963         (TARGET_BSWAP): Ditto.
5964         * config/i386/i386.c (ix86_tune_mask): New global variable.
5965         (ix86_arch_mask): Ditto.
5966         (override_options): Initialize ix86_tune_mask and
5967         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
5968         target_flags.
5969
5970 2007-03-02  Ben Elliston  <bje@au.ibm.com>
5971
5972         PR 30992
5973         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
5974
5975 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
5976
5977         * target.h (init_dwarf_reg_sizes_extra): New target hook.
5978         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
5979         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
5980         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
5981         hook.
5982         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
5983         rs6000_init_dwarf_reg_sizes_extra): New.
5984         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
5985         SPE register high parts.
5986
5987 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
5988
5989         * Makefile.in: Add install-pdf target as
5990         copied from automake v1.10 rules.
5991         * configure.ac: Add install-pdf to target list.
5992         * configure: Regenerate.
5993
5994 2007-03-01  Paul Brook  <paul@codesourcery.com>
5995
5996         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
5997         modes to LDRD for DImode.
5998         (output_move_double): Fixup out of range ldrd/strd.
5999         (vfp_secondary_reload_class): Rename...
6000         (coproc_secondary_reload_class): ... to this.  Add wb argument.
6001         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
6002         coproc_secondary_reload_class for CLASS_IWMMXT.
6003         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
6004         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
6005
6006 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
6007
6008         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
6009         factor by the estimated number of iterations.
6010         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
6011         prefetch latency.
6012
6013         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
6014         decode_caches_intel, detect_caches_intel): New functions.
6015         (host_detect_local_cpu): Use detect_caches_amd and
6016         detect_caches_intel.
6017
6018 2007-03-01  Richard Henderson  <rth@redhat.com>
6019
6020         * expr.c (emit_move_complex_push): Export.
6021         (emit_move_complex_parts): Split out from ...
6022         (emit_move_complex): ... here.
6023         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
6024         * config/i386/i386.md (movcdi): New.
6025
6026 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
6027
6028         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
6029         size of mode1 to check for tieable modes in MMX case.
6030
6031 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
6032
6033         * Makefile.in (rtlanal.o): Depend on tree.h.
6034         * rtl.h (offset_within_section_p, split_const): Declare.
6035         * rtlanal.c: Include tree.h.
6036         (offset_within_block_p): New function, taken from
6037         mips_offset_within_object_p.
6038         (split_const): New function, taken from mips_split_const.
6039         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
6040         Declare.
6041         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
6042         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
6043         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
6044         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
6045         (m68k_illegitimate_symbolic_constant_p): New function.
6046         * config/m68k/m68k.md (movsi): Remove misleading predicates.
6047         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
6048         symbolic constant that might be outside the symbol's section,
6049         move the symbol first and then add the offset.
6050         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
6051         Override.
6052         * config/mips/mips.c (mips_split_const): Delete.
6053         (mips_offset_within_object_p): Delete.
6054         (mips_symbolic_constant_p): Use offset_within_section_p and
6055         split_const instead of mips_offset_within_object_p and
6056         mips_split_const.
6057         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
6058         (mips_legitimize_const_move, print_operand_reloc)
6059         (mips_dangerous_for_la25_p): Use split_const instead of
6060         mips_split_const.
6061
6062 2007-02-28  Eric Christopher  <echristo@apple.com>
6063
6064         * Makefile.in (install-include-dir): Don't rm -rf include.
6065
6066 2007-02-28  Richard Guenther  <rguenther@suse.de>
6067
6068         PR middle-end/30364
6069         * fold-const.c (fold_binary): Do not associate expressions
6070         with more than one variable for integer types that do not wrap.
6071
6072 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
6073
6074         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
6075         Delete, and replace with...
6076         (fold_builtin_call_array): This.  Update callers to use it.
6077         * fold-const.c (fold_build_call_list): Delete, and replace with...
6078         (fold_build_call_array): This.
6079         (fold_build_call_list_initializer): Delete, and replace with...
6080         (fold_build_call_array_initializer): This.
6081         * tree.h: Update declarations to reflect above changes.
6082
6083         * c-typeck.c (build_function_call): Store converted arguments
6084         in a stack-allocated array instead of building a list.
6085         (convert_arguments): Store arguments in the array passed in as an
6086         argument, and return the actual number of arguments.
6087         * c-format.c: (check_function_format): Pass arguments in an
6088         array instead of a list.
6089         * c-common.c (check_function_nonnull): Likewise.
6090         (check_function_sentinel): Likewise.
6091         (check_function_arguments): Likewise.
6092         * c-common.h: Update declarations to reflect above changes.
6093
6094 2007-02-28  Jan Hubicka  <jh@suse.cz>
6095
6096         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
6097         PRED_NEGATIVE_RETURN): Update outcomes.
6098
6099 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
6100
6101         * calls.c (emit_library_call_value_1): Handle partial registers
6102         correctly when building up CALL_INSN_FUNCTION_USAGE.
6103
6104 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6105
6106         * pa/predicates.md (move_src_operand): Allow zero for mode.
6107         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
6108         move pattern.
6109
6110 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
6111
6112         PR target/30970
6113         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
6114         *movv2df_internal): Enable pattern only for valid operand
6115         combinations.
6116         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
6117         tie only 128bit modes. For MMX registers, tie only 64bit modes.
6118
6119 2007-02-27  Mike Stump  <mrs@apple.com>
6120
6121         * config/darwin-crt3.c: Avoid compilation when compiling for a
6122         kext multilib.
6123
6124 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
6125
6126         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
6127         FIXED_INCLUDE_DIR.
6128         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
6129         for fixed headers and limits.h.
6130         (install-include-dir, install-headers-tar, install-headers-cpio,
6131         install-headers-cp, real-install-headers-tar,
6132         real-install-headers-cpio, real-install-headers-cp): Handle
6133         include-fixed as well as include.
6134         (install-mkheaders): Don't install files that go only in include
6135         not include-fixed.
6136         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
6137         from GCC_INCLUDE_DIR.
6138         * gcc.c (process_command): Remove special -BstageN/ handling.
6139         (do_spec_1): Add include-fixed directories.
6140
6141 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
6142
6143         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
6144         _smulsi3_highpart.
6145         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
6146         New functions.
6147         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
6148         patterns.
6149
6150 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
6151
6152         * c-common.c (get_priority): Add check for
6153         SUPPORTS_INIT_PRIORITY.
6154
6155 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
6156
6157         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
6158
6159         * config/bfin/bfin.c: Include "cfglayout.h".
6160         (MAX_LSETUP_DISTANCE): New macro.
6161         (struct loop_info): New members incoming, incoming_src and
6162         incoming_dest.  Delete member predecessor.
6163         (length_for_loop): New function.
6164         (bfin_optimize_loop): Handle more different loop structures.
6165         (bfin_discover_loop): Rework detection of predecessor blocks by
6166         examining incoming edges.
6167         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
6168         bfin_reorg_loops.
6169         (bfin_reorder_loops): New function.
6170         (bfin_reorg_loops): Use these three new functions.
6171
6172         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
6173         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
6174         (CONSTRAINT_LEN): Add entry for 'q'.
6175         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
6176         Add 'q' constraints.
6177         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
6178         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
6179
6180         * config/bfin/bfin.md (add_with_carry): New pattern.
6181         (s_or_u, su_optab, su_modifier): New code macros/attrs.
6182         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
6183         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
6184         support unsigned multiplies too.  Removed incorrect commutativity from
6185         operand 1 constraint where appropriate.
6186         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
6187         patterns.
6188         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
6189         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
6190         New patterns.
6191         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
6192         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
6193         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
6194         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
6195         usmulhisi_hh_huh): New patterns.
6196
6197         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
6198         lshifthi3): Fix output template to use half reg for operand 2.
6199
6200         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
6201         instead of R2.
6202
6203         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
6204
6205 2007-02-27  Andreas Schwab  <schwab@suse.de>
6206
6207         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
6208
6209 2007-02-27  Jan Hubicka  <jh@suse.cz>
6210
6211         * predict.c (last_basic_block_p): Remove.
6212         (tree_estimate_probability): Update return heuristic for commonized
6213         return blocks.
6214
6215 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
6216
6217         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
6218
6219 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
6220
6221         * doc/include/gcc-common.texi (versionsubtitle): New macro.
6222         * doc/cpp.texi: Standardize title page.
6223         * doc/cppinternals.texi: Likewise.
6224         * doc/gcc.texi: Standardize title page, remove version number
6225         from copyright page.
6226         * doc/gccint.texi: Likewise.
6227         * doc/install.texi: Standardize title page, add table of
6228         contents.
6229
6230 2007-02-26  Jan Hubicka  <jh@suse.cz>
6231
6232         * predict.def: Set outcomes according to more recent results.
6233         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
6234         Remove dead predictors.
6235         * predict.c (return_prediction): Fix pasto.
6236
6237 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
6238
6239         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
6240         change; avoid a memory leak when returning early.
6241
6242 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
6243
6244         * c-decl.c (static_ctors): Move to c-common.c.
6245         (static_dtors): Likewise.
6246         (finish_function): Use c_record_cdtor_fn.
6247         (build_cdtor): Move to c-common.c.
6248         (c_write_global_declarations): Use c_build_cdtor_fns.
6249         * c-common.h (static_ctors): Declare.
6250         (static_dtors): Likewise.
6251         (c_record_cdtor_fn): Likewise.
6252         (c_build_cdtor_fns): Likewise.
6253         * c-common.c (static_ctors): New variable.
6254         (static_dtors): Likewise.
6255         (c_record_cdtor_fn): New function.
6256         (build_cdtor): Move from c-decl.c
6257         (c_build_cdtor_fns): New function.
6258
6259         * output.h (assemble_addr_to_section): Declare.
6260         (get_cdtor_priority_section): Likewise.
6261         * varasm.c (assemble_addr_to_section): New function.
6262         (get_cdtor_priority_section): Likewise.
6263         (default_named_section_asm_out_destructor): Use them.
6264         (destor_dtor_section_asm_out_destructor): Likewise.
6265         (default_named_section_asm_out_constructor): Likewise.
6266         (default_ctor_section_asm_out_constructor): Likewise.
6267         * config.gcc (*-*-vxworks*): Include vxworks.o.
6268         * config/t-vxworks (vxworks.o): New target.
6269         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
6270         (TARGET_ASM_CONSTRUCTOR): Define.
6271         (TARGET_ASM_DESTRUCTOR): Likewise.
6272         (vxworks_asm_out_constructor): Declare.
6273         (vxworks_asm_out_destructor): Likewise.
6274
6275         * c-common.c (get_priority): Check that we have not just an
6276         INTEGER_CST, but an integer constant with integeral type.
6277
6278 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
6279
6280         PR tree-optimization/30938
6281         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
6282         use &dt[nargs-1] instead of &dt[nargs] in the call to
6283         vect_is_simple_use().
6284
6285 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
6286
6287         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
6288         from register elimination as PRE_MODIFY / POST_MODIFY increments.
6289         Do not attempt to handle MEM inside auto-inc expressions.
6290         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
6291         of a register modified by an auto-inc expression.  However, do handle
6292         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
6293         (elimination_effects): Prohibit elimination of a register modified
6294         by an auto-inc expression.  Disable register elimination rules whose
6295         target register is modified by an auto-inc expression with variable
6296         increment.
6297
6298 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
6299
6300         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
6301         off-by-one error.
6302         (array_at_struct_end_p): New function.
6303         (idx_infer_loop_bounds): Use it.
6304         (estimate_numbers_of_iterations_loop): Export.
6305         * predict.c (predict_loops): Use estimated_loop_iterations_int.
6306         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
6307         (tree_estimate_probability): Call record_loop_exits.
6308         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
6309         (estimated_loop_iterations, estimated_loop_iterations_int,
6310         estimated_loop_iterations_tree): New functions.
6311         (analyze_siv_subscript_cst_affine,
6312         compute_overlap_steps_for_affine_1_2,
6313         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
6314         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
6315         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
6316         (PRED_LOOP_ITERATIONS_GUESSED): New.
6317         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
6318         * cfgloop.h (estimate_numbers_of_iterations_loop,
6319         estimated_loop_iterations_int): Declare.
6320
6321 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
6322
6323         * doc/extend.texi: Document optional priority argument to
6324         constructors and destructors.
6325         * tree.c (init_priority_for_decl): Adjust GTY markers.
6326         (init_ttree): Use priority-info hash functions for
6327         init_priority_for_decl.
6328         (tree_map_eq): Rename to ...
6329         (tree_map_base_eq): ... this.
6330         (tree_map_marked_p): Rename to ...
6331         (tree_map_base_marked_p): ... this.
6332         (tree_map_base_hash): New function.
6333         (decl_init_priority_lookup): Rework.
6334         (decl_fini_priority_lookup): New function.
6335         (decl_priority_info): New function.
6336         (decl_init_priority_insert): Use it.
6337         (decl_fini_priority_insert): Likewise.
6338         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
6339         hierarchy.
6340         (decl_restrict_base_insert): Likewise.
6341         (decl_debug_expr_insert): Likewise.
6342         (decl_value_expr_lookup): Likewise.
6343         (decl_value_expr_insert): Likewise.
6344         * tree.h (priority_type): New type.
6345         (decl_init_priority_lookup): Use priority_type.
6346         (decl_fini_priority_lookup): New function.
6347         (decl_init_priority_insert): Use priority_type.
6348         (decl_fini_priority_insert): New function.
6349         (DECL_HAS_INIT_PRIORITY): Tweak comments.
6350         (DECL_INIT_PRIORITY): Likewise.
6351         (SET_DECL_INIT_PRIORITY): Add comment.
6352         (DECL_FINI_PRIORITY): New macro.
6353         (SET_DECL_FINI_PRIORITY): Likewise.
6354         (DEFAULT_INIT_PRIORITY): Document.
6355         (MAX_INIT_PRIORITY): Likewise.
6356         (MAX_RESERVED_INIT_PRIORITY): Likewise.
6357         (tree_map_base): New type.
6358         (tree_map_base_eq): New function.
6359         (tree_map_base_hash): Likewise.
6360         (tree_map_base_marked_p): Likewise.
6361         (tree_map): Inherit from tree_map_base.
6362         (tree_map_eq): Make it a macro.
6363         (tree_map_marked_p): Likewise.
6364         (tree_int_map): Inherit from tree_map_base.
6365         (tree_int_map_eq): Make it a macro.
6366         (tree_int_map_hash): Likewise.
6367         (tree_int_map_marked_p): Likewise.
6368         (tree_priority_map): New type.
6369         (tree_priority_map_eq): New macro.
6370         (tree_priority_map_hash): Likewise.
6371         (tree_priority_map_marked_p): Likewise.
6372         * varasm.c (emults_decl): Adjust for refactoring of tree_map
6373         hierarchy.
6374         (emutls_common_1): Likewise.
6375         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
6376         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
6377         of tree_map hierarchy.
6378         * tree-cfg.c (move_stmt_r): Likewise.
6379         (new_label_mapper): Likewise.
6380         * c-tree.h (c_expand_body): Move to ...
6381         * c-common.h (c_expand_body): ... here.
6382         * c-decl.c (c_expand_body): Move to ...
6383         * c-common.c (c_expand_body): ... here.
6384         (c_common_attribute_table): Allow 1 argument for the constructor
6385         and destructor attributes.
6386         (get_priority): New function.
6387         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
6388         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
6389
6390 2007-02-24  Jan Hubicka  <jh@suse.cz>
6391
6392         PR middle-end/30509
6393         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
6394
6395 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
6396             Jan Hubicka  <jh@suse.cz>
6397
6398         PR target/30778
6399         * i386.c (counter_mode): New function.
6400         (expand_set_or_movmem_via_loop): Use it.
6401         (expand_movmem_epilogue): Likewise; fix pasto.
6402         (ix86_expand_movmem): Do emit guard even for constant counts.
6403         (ix86_expand_setmem): Likewise.
6404
6405 2007-02-25  Nick Clifton  <nickc@redhat.com>
6406
6407         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
6408         (JUMP_TABLES_IN_TEXT_SECTION): Define.
6409
6410 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
6411
6412         PR target/30770
6413         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
6414         count argument with 0x10, not with 0x16.
6415         (expand_setmem_epilogue): Ditto.
6416
6417 2007-02-24  Mike Stump  <mrs@apple.com>
6418
6419         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
6420         symbols.
6421
6422 2007-02-24  Richard Guenther  <rguenther@suse.de>
6423
6424         PR middle-end/30951
6425         * fold-const.c (fold_binary): Fold x +- CST op x for
6426         EQ_EXPR and NE_EXPR.
6427
6428 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6429
6430         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
6431
6432 2007-02-24  Jan Hubicka  <jh@suse.cz>
6433
6434         * cgraphunit.c (decide_is_function_needed): Honor
6435         -fkeep-inline-functions.
6436
6437 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6438
6439         * builtins.c (fold_builtin_modf): New.
6440         (fold_builtin_2): Use it.
6441
6442 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
6443
6444         * loop-iv.c (implies_p): Detect additional cases where A implies B.
6445         (determine_max_iter): Take additional LOOP arg; all callers changed.
6446         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
6447         one using simplifications.
6448         (simplify_using_initial_values): Return if the expression becomes
6449         invalid due to altered regs.
6450
6451 2007-02-23  DJ Delorie  <dj@redhat.com>
6452
6453         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
6454
6455 2007-02-23  Mike Stump  <mrs@apple.com>
6456
6457         * tlink.c (scan_linker_output): Parse linker messages from
6458         darwin9's linker better.
6459
6460 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
6461
6462         PR debug/29614
6463         * varpool.c (varpool_assemble_pending_decls):  Set
6464         varpool_last_needed_node to null.
6465
6466 2007-02-23  DJ Delorie  <dj@redhat.com>
6467
6468         * config/i386/i386.c (ix86_data_alignment): Don't specify an
6469         alignment bigger than the object file can handle.
6470
6471 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
6472
6473         PR target/30825
6474         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
6475         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
6476         (*movsf_1): Penalize MMX moves.
6477
6478 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
6479
6480         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
6481         2^32-1 or more times unless flag_unsafe_loop_optimizations.
6482
6483         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
6484
6485 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6486
6487         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
6488         (fold_builtin_1): Use them.
6489         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
6490         BUILT_IN_SIGNIFICAND.
6491
6492 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
6493
6494         * config/i386/i386.c (bdesc_1arg): Initialize
6495         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
6496         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
6497         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
6498         and IX86_BUILTIN_MOVSLDUP.
6499
6500 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
6501
6502         PR rtl-optimization/30841
6503         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
6504
6505 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6506
6507         * builtins.c (fold_builtin_frexp): New.
6508         (fold_builtin_2): Use it.
6509
6510 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
6511
6512         * doc/invoke.texi (Spec Files): Document getenv spec function.
6513
6514         * gcc.c (getenv_spec_function): New function.
6515         (static_spec_functions): Add it.
6516         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
6517         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
6518         header files.
6519
6520 2007-02-22  Michael Matz  <matz@suse.de
6521
6522         PR c++/29433
6523         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
6524         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
6525
6526 2007-02-22  Ian Lance Taylor  <iant@google.com>
6527
6528         PR debug/30898
6529         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
6530         (mem_loc_descriptor): Call it.
6531
6532 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
6533             Ira Rosen  <irar@il.ibm.com>
6534
6535         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
6536
6537 2007-02-22  Ira Rosen  <irar@il.ibm.com>
6538
6539         PR tree-optimization/30843
6540         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
6541         stores only after all the group is vectorized.
6542
6543 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
6544
6545         PR tree-optimization/30858
6546         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
6547         in the reduction cycle have a single use in the loop.
6548         * tree-vectorizer.h (relevant): Add documentation.
6549
6550 2007-02-20  Mike Stump  <mrs@apple.com>
6551
6552         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
6553         * configure: Regenerate.
6554
6555 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
6556
6557         Change the defaults of some parameters and options.
6558         * config/spu/spu-protos.h (spu_optimization_options): Declare.
6559         * config/spu/spu.c (spu_optimization_options): Add.
6560         (spu_override_options): Change params in spu_optimization_options.
6561         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
6562
6563         Register 127 is only 16 byte aligned when used as a frame pointer.
6564         * config/spu/spu-protos.h (spu_init_expanders): Declare.
6565         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
6566         HARD_FRAME_POINTER_REGNUM.
6567         (spu_legitimate_address):  Use regno_aligned_for_reload.
6568         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
6569         aligned when frame_pointer_needed is true.
6570         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
6571         to 8 bits.
6572         * config/spu/spu.h (INIT_EXPANDERS): Define.
6573
6574         Make sure shift and rotate instructions have valid immediate operands.
6575         * config/spu/predicates.md (spu_shift_operand): Remove.
6576         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
6577         * config/spu/constraints.md (W, O): Extend range.
6578         * config/spu/spu.md (umask, nmask): Define.
6579         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
6580         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
6581         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
6582         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
6583         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
6584         (lshr<mode>3_reg):  Fix rtl description.
6585
6586         Make sure mulhisi immediate operands are valid.
6587         * config/spu/predicates.md (imm_K_operand): Add.
6588         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
6589
6590         Generate constants using fsmbi and andi.
6591         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
6592         (print_operand, spu_split_immediate, classify_immediate,
6593         fsmbi_const_p): Handle IC_FSMBI2.
6594
6595         Correctly handle a CONST_VECTOR containing symbols.
6596         * config/spu/spu.c (print_operand): Handle HIGH correctly.
6597         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
6598         (immediate_load_p): Allow symbols that use 2 instructions to create.
6599         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
6600         with symbols when flag_pic is set.
6601         (const_vector_immediate_p): New.
6602         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
6603         accept a CONST_VECTOR with symbols.
6604         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
6605         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
6606         correctly.
6607         * config/spu/spu.md (high, low): Delete.
6608         (low_<mode>): Define.
6609
6610         Remove INTRmode and INTR_REGNUM, which didn't work.
6611         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
6612         of INTR_REGNUM.
6613         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
6614         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
6615         peephole2 pattern): Don't use INTR or 131.
6616         (movintrcc): Delete.
6617         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
6618         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
6619         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
6620         (UNSPEC_SET_INTR): Add.
6621         * config/spu/spu-modes.def (INTR): Remove.
6622
6623         More accurate warnings about run-time relocations.
6624         * config/spu/spu.c (reloc_diagnostic): Test in_section.
6625
6626         Correctly warn about immediate arguments to specific intrinsics.
6627         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
6628         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
6629         the instruction predicate.
6630
6631         Fix tree check errors with latest update.
6632         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
6633         CALL_EXPR_ARG.
6634         (spu_expand_builtin): Use CALL_EXPR_FN.
6635
6636         Add missing specific intrinsics.
6637         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
6638         si_bislede.
6639         * config/spu/spu_internals.h: Ditto.
6640
6641         Fix incorrect operand modifiers.
6642         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
6643         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
6644
6645         Optimize one case of zero_extend of a vec_select.
6646         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
6647
6648         Accept any immediate for hbr.
6649         * config/spu/spu.md (hbr):  Change s constraints to i.
6650
6651 2007-02-21  Paul Brook  <paul@codesourcery.com>
6652
6653         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
6654         condexec_count when skipping USE and CLOBBER.
6655
6656 2007-02-21  Nick Clifton  <nickc@redhat.com>
6657
6658         * common.opt (Warray-bounds): Add Warning attribute.
6659         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
6660         Likewise.
6661         (fsized-zeroes): Add Optimization attribute.
6662         (fsplit-wide-types, ftree-scev-cprop): Likewise.
6663         * c.opt (Wc++0x-compat): Add Warning attribute.
6664
6665 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
6666
6667         PR middle-end/30761
6668         * reload1.c (eliminate_regs_in_insn): In the single_set special
6669         case, attempt to re-recognize the insn before falling back to
6670         having reload fix it up.
6671
6672 2007-02-20  Eric Christopher  <echristo@gmail.com>
6673
6674         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
6675         Rewrite accordingly.
6676         (frv_read_iacc_argument): Ditto.
6677         (frv_expand_set_builtin): Take a call instead of arglist, update for
6678         above changes.
6679         (frv_expand_unop_builtin): Ditto.
6680         (frv_expand_binop_builtin): Ditto.
6681         (frv_expand_cut_builtin): Ditto.
6682         (frv_expand_binopimm_builtin): Ditto.
6683         (frv_expand_voidbinop_builtin): Ditto.
6684         (frv_expand_int_void2arg): Ditto.
6685         (frv_expand_prefetches): Ditto.
6686         (frv_expand_voidtriop_builtin): Ditto.
6687         (frv_expand_voidaccop_builtin): Ditto.
6688         (frv_expand_load_builtin): Ditto.
6689         (frv_expand_store_builtin): Ditto.
6690         (frv_expand_mdpackh_builtin): Ditto.
6691         (frv_expand_mclracc_builtin): Ditto.
6692         (frv_expand_mrdacc_builtin): Ditto.
6693         (frv_expand_mwtacc_builtin): Ditto.
6694         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
6695         calls for above.
6696
6697 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
6698
6699         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
6700         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
6701         cmpb instruction.
6702         (HAVE_GAS_DFP): Check for assembler support of decimal floating
6703         point instructions.
6704         * configure: Regenerate.
6705         * config.in: Regenerate.
6706         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
6707         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
6708         masks to power6 and power6x and to POWERPC_MASKS.
6709         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6710         _ARCH_PWR6.
6711         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
6712         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
6713         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
6714         Access PROTOTYPE as variable, not mask.
6715
6716 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
6717
6718         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
6719         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
6720         * combine.c (adjust_for_new_dest): Use it.
6721         * postreload.c (reload_combine): Likewise.
6722
6723 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
6724
6725         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
6726         notes on an insn with multiple sets, even if single_set returns
6727         non-NULL for that insn.
6728
6729 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6730
6731         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
6732         scalbn and scalbln.
6733
6734 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
6735
6736         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
6737         if user didn't pass it.
6738         * config/i386/darwin.h (CC1_SPEC): Likewise.
6739         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
6740         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
6741         -mmacosx-version-min.
6742
6743 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6744             Uros Bizjak  <ubizjak@gmail.com>
6745
6746         * optabs.h (enum optab_index): Add new OTI_scalb.
6747         (scalb_optab): Define corresponding macro.
6748         * optabs.c (init_optabs): Initialize scalb_optab.
6749         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
6750         patterns.
6751         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
6752         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
6753         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
6754         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
6755         flag_unsafe_math_optimizations is set.
6756
6757         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
6758         to implement scalbf, scalb and scalbl built-ins as inline x87
6759         intrinsics.
6760
6761 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6762             DJ Delorie <dj@redhat.com>
6763
6764         PR other/30824
6765         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
6766         (diagnostic_report_diagnostic): ... here, and turn them into real
6767         errors. If warnings are inhibited, no need to do anything.
6768
6769 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
6770
6771         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
6772         better code generation.
6773
6774 2007-02-20  Ben Elliston  <bje@au.ibm.com>
6775
6776         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
6777
6778 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
6779
6780         * config/alpha/alpha.c, config/alpha/alpha.md,
6781         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
6782         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
6783         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
6784         config/arm/lib1funcs.asm: Follow spelling conventions.
6785
6786         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
6787         config/fr30/fr30.md, config/i386/i386.h,
6788         config/iq2000/iq2000.h, config/iq2000/predicates.md,
6789         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
6790         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
6791         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
6792         config/rs6000/altivec.md, config/rs6000/rs6000.c,
6793         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
6794         config/sparc/sparc.c, config/sparc/sparc.h,
6795         config/sparc/sparc.md, config/spu/constraints.md,
6796         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
6797         conventions.
6798
6799 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
6800
6801         PR target/29943
6802         * varasm.c (use_blocks_for_decl_p): Return false for decls with
6803         alias attribute.
6804
6805 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
6806
6807         * doc/invoke.texi (-ftree-lrs): Remove.
6808
6809 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
6810
6811         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
6812         NULL.
6813
6814 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
6815
6816         * config/ia64/ia64.c (ia64_expand_builtin): Use the
6817         new CALL_EXPR_FN macro for retrieving the function
6818         declaration of the input expression.
6819
6820 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6821
6822         * c.opt (Waddress): New.
6823         * common.opt (Walways-true): Delete.
6824         (Wstring-literal-comparison): Delete.
6825         * doc/invoke.texi (Warning Options): Delete -Walways-true and
6826         -Wstring-literal-comparison. Add -Waddress.
6827         (Waddress): New.
6828         (Walways-true): Delete.
6829         (Wstring-literal-comparison): Delete.
6830         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
6831         consistently instead of -Walways-true in example.
6832         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
6833         * c-typeck.c (parser_build_binary_op): Replace
6834         -Wstring-literal-comparison and -Walways-true with -Waddress.
6835         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
6836         with -Waddress.
6837
6838 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
6839
6840         * tree-cfg.c (dump_function_to_file): Be prepared for functions
6841         without DECL_STRUCT_FUNCTION initialized.
6842
6843 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
6844
6845         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
6846         due to calls to functions taking pointers as parameters.
6847
6848 2007-02-19  Richard Henderson  <rth@redhat.com>
6849
6850         PR debug/29558
6851         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
6852         in memory.
6853
6854 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
6855
6856         * config/s390/s390.c (s390_call_saved_register_used,
6857         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
6858         accessed to the new scheme.
6859
6860 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
6861
6862         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
6863         (cris_print_index, cris_print_operand, cris_print_operand_address)
6864         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
6865         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
6866         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
6867         GET_CODE () == xxx.
6868         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
6869         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
6870         GO_IF_LEGITIMATE_ADDRESS): Ditto.
6871         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
6872         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
6873         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
6874         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
6875         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
6876         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
6877         (uminsi3, call, call_value): Ditto.
6878         (define_split: indir_to_reg_split, unnamed): Ditto.
6879
6880 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
6881
6882         PR tree-optimization/30975
6883         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
6884         wrong assert.
6885
6886 2007-02-18  Eric Christopher  <echristo@gmail.com>
6887
6888         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
6889         Remove use of arglist.
6890         (mips_expand_builtin): Remove use of arglist, pass in expr.
6891         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
6892         (mips_expand_builtin_movtf): Ditto.
6893         (mips_expand_builtin_compare): Ditto.
6894
6895 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
6896
6897         * tree-sra.c (sra_build_assignment): Replace assertion
6898         checking with a comment explaining why it can't be done.
6899
6900 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
6901
6902         PR middle-end/30833
6903         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
6904         during CALL_EXPR representation conversion.
6905         * tree-ssa-propagate.c (set_rhs): Likewise.
6906
6907 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
6908
6909         * tree-sra.c (sra_build_assignment): Disable assertion checking
6910         for now.
6911
6912 2007-02-18  Roger Sayle  <roger@eyesopen.com>
6913
6914         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
6915         instead of calling build2 with a GIMPLE_MODIFY_STMT.
6916         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
6917         Likewise.
6918         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
6919         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
6920         gimplify_init_ctor_eval_range, gimple_push_cleanup,
6921         gimplify_omp_for, gimplify_omp_atomic_pipeline,
6922         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
6923         force_gimple_operand): Likewise.
6924         * ipa-cp.c (constant_val_insert): Likewise.
6925         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6926         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
6927         perfect_nestify): Likewise.
6928         * langhooks.c (lhd_omp_assignment): Likewise.
6929         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
6930         lower_copyprivate_clauses, lower_send_clauses,
6931         lower_send_shared_vars, expand_parallel_call,
6932         expand_omp_for_generic, expand_omp_for_static_nochunk,
6933         expand_omp_for_static_chunk, expand_omp_sections,
6934         lower_omp_single_copy, lower_omp_for_lastprivate,
6935         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
6936         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
6937         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
6938         Likewise.
6939
6940 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
6941
6942         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
6943         config/sh/sh.md: Follow spelling conventions.
6944
6945         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
6946         config/frv/predicates.md: Follow spelling conventions.
6947
6948         * config/m68k/linux-unwind.h: Fix a comment typo.
6949         * target.h: Follow spelling conventions.
6950
6951 2007-02-18  Roger Sayle  <roger@eyesopen.com>
6952
6953         PR rtl-optimization/28173
6954         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
6955         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
6956         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
6957         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
6958         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
6959
6960 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6961
6962         * builtins.c (fold_builtin_load_exponent): New.
6963         (fold_builtin_2): Use it.
6964
6965 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
6966
6967         PR rtl-optimization/30773
6968         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
6969         if we fail to attach a REG_EQUIV note.
6970
6971 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
6972             Roger Sayle  <roger@eyesopen.com>
6973
6974         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
6975
6976 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
6977
6978         * calls.c (initialize_argument_information): Pass original EXP
6979         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
6980         code to split complex arguments here, as part of initializing the
6981         ARGS array.
6982         (expand_call): Remove code that builds a list of arguments and
6983         inserts implicit arguments into it.  Instead, just count how many
6984         implicit arguments there will be so we can determine the size of
6985         the ARGS array, and let initialize_argument_information do the work.
6986         (split_complex_values): Delete unused function.
6987
6988 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
6989
6990         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
6991
6992 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
6993
6994         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
6995         for arg pointer based indexed addressing.
6996
6997 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
6998
6999         * config/ia64/ia64.h, config/ia64/ia64.md,
7000         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
7001         spelling conventions.
7002
7003 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
7004
7005         * config/m68k/m68k.c (split_di): New.
7006         * config/m68k/m68k-protos.h: Declare split_di.
7007         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
7008           Improve predicate handling and split constant shifts.
7009
7010 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
7011
7012         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
7013         parameter for register bitfield operations, general predicates
7014         cleanup
7015
7016 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
7017
7018         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
7019         * config/m68k/linux-unwind.h: New file.
7020
7021 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
7022
7023         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
7024         config/i386/athlon.md, config/ia64/ia64.md,
7025         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
7026         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
7027         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
7028         tree-ssa-loop-niter.c, tree-vect-analyze.c,
7029         tree-vect-transform.c: Fix comment typos.
7030
7031 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
7032
7033         * sched-deps.c (find_insn_list): Remove.
7034         * sched-int.h: Remove the prototype for find_insn_list.
7035
7036 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
7037
7038         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
7039         to linker.
7040         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
7041         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
7042         darwin_rs6000_override_options.
7043         (C_COMMON_OVERRIDE_OPTIONS): Expect
7044         darwin_macosx_version_min to be non-NULL always.
7045         (TARGET_C99_FUNCTIONS): Likewise.
7046         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
7047         (DARWIN_MINVERSION_SPEC): New.
7048         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
7049         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
7050         to cc1*.
7051         (DARWIN_MINVERSION_SPEC): New.
7052         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
7053         value.
7054         * config/darwin-c.c (darwin_cpp_builtins): Expect
7055         darwin_macosx_version_min to be non-NULL always.
7056
7057         * config/rs6000/rs6000.c: Clean up trailing whitespace.
7058
7059 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
7060
7061         * config/i386/i386.h (x86_use_xchgb): New.
7062         (TARGET_USE_XCHGB): New macro.
7063         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
7064         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
7065         Split after reload into bswaphi for shifts of 8.
7066         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
7067         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
7068         or when optimizing for size.
7069
7070 2007-02-16  Richard Guenther  <rguenther@suse.de>
7071             Christian Bruel  <christian.bruel@st.com>
7072
7073         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
7074         DECLs but prefer SSA_NAMEs over DECLs.
7075
7076 2007-02-16  Richard Guenther  <rguenther@suse.de>
7077
7078         * tree-flow-inline.h (single_imm_use_p): Remove.
7079         (zero_imm_uses_p): Likewise.
7080         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
7081         instead of single_imm_use_p.
7082         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
7083         zero_imm_uses_p.
7084
7085 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7086
7087         PR other/27843
7088         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
7089         nested double- and backquotes.
7090
7091 2007-02-15  Roger Sayle  <roger@eyesopen.com>
7092
7093         PR middle-end/30391
7094         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
7095         should be unreachable.
7096         (build2_stat): Allow construction of MODIFY_EXPR at any time.
7097         For the time being redirect GIMPLE_MODIFY_STMT to the new
7098         (renamed) build_gimple_modify_stmt_stat.
7099         (build2_gimple_stat): Rename to...
7100         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
7101         Always build a GIMPLE_MODIFY_STMT node.
7102         * tree.h (build2_gimple, build2_gimple_stat): Delete.
7103         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
7104         declarations.
7105
7106         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
7107         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
7108         * tree-complex.c (set_component_ssa_name, expand_complex_move,
7109         expand_complex_div_wide): Likewise.
7110         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
7111         * tree-ssa-loop-im.c (schedule_sm): Likewise.
7112         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
7113         * tree-ssa-loop-manip.c (create_iv): Likewise.
7114         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
7115         abs_replacement): Likewise.
7116         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
7117         realify_fake_stores): Likewise.
7118
7119         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
7120         node rather than a GIMPLE_MODIFY_STMT node.
7121         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
7122         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
7123         Likewise.
7124         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
7125         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
7126         GIMPLE_MODIFY_STMT.
7127
7128 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7129
7130         PR middle-end/30433
7131         * fold-const.c (fold_comparison): Add back the
7132         folding of constant complex comparisions.
7133
7134 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7135
7136         PR middle-end/30729
7137         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
7138         effects unknown to this function, return early.
7139
7140 2007-02-15  Ian Lance Taylor  <iant@google.com>
7141
7142         * lower-subreg.c (move_eh_region_note): New static function.
7143         (resolve_simple_move): Call it.
7144         (decompose_multiword_subregs): Track blocks for which we resolve a
7145         simple move which is also a control flow insn.  Pass them to
7146         find_many_sub_basic_blocks.
7147         (pass_lower_subreg): Add TODO_verify_flow.
7148         (pass_lower_subreg2): Likewise.
7149
7150 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7151             Brooks Moses  <brooks.moses@codesourcery.com>
7152             Lee Millward  <lee.millward@codesourcery.com>
7153
7154         * tree.h (enum tree_code_class): Add tcc_vl_exp.
7155         (VL_EXP_CLASS_P): New.
7156         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
7157         TREE_CODE_LENGTH.
7158         (TREE_OPERAND_CHECK_CODE): Likewise.
7159         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
7160         (TREE_RTL_OPERAND_CHECK): Likewise.
7161         (tree_operand_check_failed): Make second parameter the whole tree
7162         instead of its code.  Fixed callers.
7163         (VL_EXP_CHECK): New.
7164         (TREE_OPERAND_LENGTH): New.
7165         (VL_EXP_OPERAND_LENGTH): New.
7166         (CALL_EXPR_FN): New.
7167         (CALL_EXPR_STATIC_CHAIN): New.
7168         (CALL_EXPR_ARGS): New.
7169         (CALL_EXPR_ARG): New.
7170         (call_expr_nargs): New.
7171         (CALL_EXPR_ARGP): New.
7172         (build_nt_call_list): Declare.
7173         (build_vl_exp_stat): Declare.
7174         (build_vl_exp): New.
7175         (build_call_list): Declare.
7176         (build_call_nary): Declare.
7177         (build_call_valist): Declare.
7178         (build_call_array): Declare.
7179         (call_expr_arg): Declare.
7180         (call_expr_argp): Declare.
7181         (call_expr_arglist): Declare.
7182         (fold_build_call_list): Declare.
7183         (fold_build_call_list_initializer): Declare.
7184         (fold_call_expr): Declare to replace fold_builtin.
7185         (fold_builtin_fputs): Update to agree with modified definition.
7186         (fold_builtin_strcpy): Likewise.
7187         (fold_builtin_strncpy): Likewise.
7188         (fold_builtin_memory_chk): Likewise.
7189         (fold_builtin_stxcpy_chk): Likewise.
7190         (fold_builtin_strncpy_chk): Likewise.
7191         (fold_builtin_next_arg): Likewise.
7192         (fold_build_call_expr): Declare.
7193         (fold_builtin_call_list): Declare.
7194         (fold_builtin_call_valist): Declare.
7195         (build_call_expr): Declare.
7196         (validate_arglist): Update to agree with modified definition.
7197         (tree_operand_length): New.
7198         (call_expr_arg_iterator): New.
7199         (init_call_expr_arg_iterator): New.
7200         (next_call_expr_arg): New.
7201         (first_call_expr_arg): New.
7202         (more_call_expr_args_p): New.
7203         (FOR_EACH_CALL_EXPR_ARG): New.
7204
7205         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
7206         and tcc_gimple_stmt.
7207         (tree_code_size): Update documentation.  Use sizeof (tree) rather
7208         than sizeof (char *).
7209         (tree_size): Likewise.  Add case for tcc_vl_exp.
7210         (tree_node_structure): Add case for tcc_vl_exp.
7211         (contains_placeholder_p): Likewise.
7212         (substitute_in_expr): Likewise.
7213         (substitute_placeholder_in_expr): Likewise.
7214         (stabilize_reference_1): Likewise.
7215         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
7216         to diagnose breakage of this interface for constructing CALL_EXPRs.
7217         (build_nt): Add similar assertion here.
7218         (build_nt_call_list): New.
7219         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
7220         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
7221         TREE_CODE_LENGTH.
7222         (get_callee_fndecl): Use new CALL_EXPR accessors.
7223         (tree_operand_check_failed): Change parameters to pass entire node
7224         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
7225         (process_call_operands): New.
7226         (build_vl_exp_stat): New.
7227         (build_call_list): New.
7228         (build_call_nary): New.
7229         (build_call_valist): New.
7230         (build_call_array): New.
7231         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7232         (call_expr_arglist): New.
7233
7234         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
7235         tcc_vl_exp instead of a fixed-size tcc_expression.
7236
7237         * doc/c-tree.texi (CALL_EXPR): Document new representation and
7238         accessors for CALL_EXPRs.
7239         (AGGR_INIT_EXPR): Likewise.
7240
7241 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7242             Brooks Moses  <brooks.moses@codesourcery.com>
7243             Lee Millward  <lee.millward@codesourcery.com>
7244
7245         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
7246         (expand_builtin_nonlocal_goto): Change parameter to be entire
7247         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
7248         (expand_builtin_prefetch): Likewise.
7249         (expand_builtin_classify_type): Likewise.
7250         (mathfn_built_in): Return NULL_TREE instead of 0.
7251         (expand_errno_check): Use new CALL_EXPR accessors.
7252         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
7253         Return NULL_RTX instead of 0.
7254         (expand_builtin_mathfn_2): Likewise.
7255         (expand_builtin_mathfn_3): Likewise.
7256         (expand_builtin_interclass_mathfn): Likewise.
7257         (expand_builtin_sincos): Likewise.
7258         (expand_builtin_cexpi): Likewise.
7259         (expand_builtin_int_roundingfn): Likewise.
7260         (expand_builtin_int_roundingfn_2): Likewise.
7261         (expand_builtin_pow): Likewise.
7262         (expand_builtin_powi): Likewise.
7263         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
7264         of arglist, fixing callers appropriately.  Use new CALL_EXPR
7265         accessors and constructors.  Return NULL_RTX instead of 0.
7266         (expand_builtin_strstr): Likewise.
7267         (expand_builtin_strchr): Likewise.
7268         (expand_builtin_strrchr): Likewise.
7269         (expand_builtin_strpbrk): Likewise.
7270         (expand_builtin_memcpy): Likewise.
7271         (expand_builtin_mempcpy): Likewise.
7272         (expand_builtin_mempcpy_args): New.
7273         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
7274         (expand_builtin_memmove_args): New.
7275         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
7276         (expand_movstr): Likewise.
7277         (expand_builtin_strcpy): Likewise.
7278         (expand_builtin_strcpy_args): New.
7279         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
7280         (expand_builtin_strncpy): Likewise.
7281         (expand_builtin_memset): Likewise.
7282         (expand_builtin_memset_args): New.
7283         (expand_builtin_bzero): Similarly to expand_builtin_memset.
7284         (expand_builtin_memcmp): Likewise.
7285         (expand_builtin_strcmp): Likewise.
7286         (expand_builtin_strncmp): Likewise.
7287         (expand_builtin_strcat): Likewise.
7288         (expand_builtin_strncat): Likewise.
7289         (expand_builtin_strspn): Likewise.
7290         (expand_builtin_strcspn): Likewise.
7291         (expand_builtin_args_info): Likewise.
7292         (expand_builtin_va_start): Likewise.
7293         (gimplify_va_arg_expr): Likewise.
7294         (expand_builtin_va_end): Likewise.
7295         (expand_builtin_va_copy): Likewise.
7296         (expand_builtin_frame_address): Likewise.
7297         (expand_builtin_alloca): Likewise.
7298         (expand_builtin_bswap): Likewise.
7299         (expand_builtin_unop): Likewise.
7300         (expand_builtin_fputs): Likewise.
7301         (expand_builtin_expect): Likewise.
7302         (expand_builtin_fabs): Likewise.
7303         (expand_builtin_copysign): Likewise.
7304         (expand_builtin_printf): Likewise.
7305         (expand_builtin_fprintf): Likewise.
7306         (expand_builtin_sprintf): Likewise.
7307         (expand_builtin_init_trampoline): Likewise.
7308         (expand_builtin_signbit): Likewise.
7309         (expand_builtin_fork_or_exec): Likewise.
7310         (expand_builtin_sync_operation): Likewise.
7311         (expand_builtin_compare_and_swap): Likewise.
7312         (expand_builtin_lock_test_and_set): Likewise.
7313         (expand_builtin_lock_release): Likewise.
7314         (expand_builtin): Likewise.
7315         (builtin_mathfn_code): Likewise.
7316
7317         (fold_builtin_constant_p): Pass call arguments individually instead
7318         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
7319         accessors and constructors.  Return NULL_TREE instead of 0.
7320         (fold_builtin_expect): Likewise.
7321         (fold_builtin_classify_type): Likewise.
7322         (fold_builtin_strlen): Likewise.
7323         (fold_builtin_nan): Likewise.
7324         (integer_valued_real_p): Likewise.
7325         (fold_trunc_transparent_mathfn): Likewise.
7326         (fold_fixed_mathfn): Likewise.
7327         (fold_builtin_cabs): Likewise.
7328         (fold_builtin_sqrt): Likewise.
7329         (fold_builtin_cbrt): Likewise.
7330         (fold_builtin_cos): Likewise.
7331         (fold_builtin_cosh): Likewise.
7332         (fold_builtin_tan): Likewise.
7333         (fold_builtin_sincos): Likewise.
7334         (fold_builtin_cexp): Likewise.
7335         (fold_builtin_trunc): Likewise.
7336         (fold_builtin_floor): Likewise.
7337         (fold_builtin_ceil): Likewise.
7338         (fold_builtin_round): Likewise.
7339         (fold_builtin_int_roundingfn): Likewise.
7340         (fold_builtin_bitop): Likewise.
7341         (fold_builtin_bswap): Likewise.
7342         (fold_builtin_logarithm): Likewise.
7343         (fold_builtin_hypot): Likewise.
7344         (fold_builtin_pow): Likewise.
7345         (fold_builtin_powi): Likewise.
7346         (fold_builtin_exponent): Likewise.
7347         (fold_builtin_memset): Likewise.
7348         (fold_builtin_bzero): Likewise.
7349         (fold_builtin_memory_op): Likewise.
7350         (fold_builtin_bcopy): Deleted; call site changed to invoke
7351         fold_builtin_memory_op directly.
7352         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
7353         (fold_builtin_strncpy): Likewise.
7354         (fold_builtin_memcmp): Likewise.
7355         (fold_builtin_strcmp): Likewise.
7356         (fold_builtin_strncmp): Likewise.
7357         (fold_builtin_signbit): Likewise.
7358         (fold_builtin_copysign): Likewise.
7359         (fold_builtin_isascii): Likewise.
7360         (fold_builtin_toascii): Likewise.
7361         (fold_builtin_isdigit): Likewise.
7362         (fold_builtin_fabs): Likewise.
7363         (fold_builtin_abs): Likewise.
7364         (fold_builtin_fmin_fmax): Likewise.
7365         (fold_builtin_carg): Likewise.
7366         (fold_builtin_classify): Likewise.
7367         (fold_builtin_unordered_cmp): Likewise.
7368
7369         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
7370         New functions split out from fold_builtin_1.
7371         (fold_builtin_n): New.
7372         (fold_builtin_varargs): New.
7373         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
7374         instead.
7375         (fold_call_expr): New.
7376         (build_function_call_expr): Rewrite to use new helper function.
7377         (fold_builtin_call_list): New.
7378         (build_call_expr): New.
7379         (fold_builtin_call_valist): New.
7380         (rewrite_call_expr): New.
7381         (validate_arg): New.
7382         (validate_arglist): Change parameter to be entire CALL_EXPR instead
7383         of an arglist.  Change return type to bool.  Use new CALL_EXPR
7384         accessors.
7385
7386         (fold_builtin_strstr):  Pass call arguments individually instead
7387         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
7388         accessors and constructors.  Return NULL_TREE instead of 0.
7389         (fold_builtin_strchr): Likewise.
7390         (fold_builtin_strrchr): Likewise.
7391         (fold_builtin_strpbrk): Likewise.
7392         (fold_builtin_strcat): Likewise.
7393         (fold_builtin_strncat): Likewise.
7394         (fold_builtin_strspn): Likewise.
7395         (fold_builtin_strcspn): Likewise.
7396         (fold_builtin_fputs): Likewise.
7397         (fold_builtin_next_arg): Likewise.
7398         (fold_builtin_sprintf): Likewise.
7399
7400         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
7401         NULL_RTX instead of 0.
7402         (expand_builtin_memory_chk): Likewise.
7403         (maybe_emit_chk_warning): Likewise.
7404         (maybe_emit_sprintf_chk_warning): Likewise.
7405
7406         (fold_builtin_object_size): Pass call arguments individually instead
7407         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
7408         accessors and constructors.  Return NULL_TREE instead of 0.
7409         (fold_builtin_memory_chk): Likewise.
7410         (fold_builtin_stxcpy_chk): Likewise.
7411         (fold_builtin_strncpy_chk): Likewise.
7412         (fold_builtin_strcat_chk): Likewise.
7413         (fold_builtin_strcat_chk): Likewise.
7414         (fold_builtin_strncat_chk): Likewise.
7415         (fold_builtin_sprintf_chk): Likewise.
7416         (fold_builtin_snprintf_chk): Likewise.
7417         (fold_builtin_printf): Likewise.
7418         (fold_builtin_vprintf): Likewise.
7419
7420         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
7421         constructors.
7422         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
7423         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7424         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
7425         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
7426         (fold_unary): Likewise.
7427         (fold_binary): Likewise.
7428         (fold_ternary): Remove CALL_EXPR case, since they are no longer
7429         ternary expressions.
7430         (fold): Add logic for tcc_vl_exp.
7431         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
7432         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7433         (fold_build3_stat): Add assertion to flag broken interface for
7434         constructing CALL_EXPRs.
7435         (fold_build_call_list): New.
7436         (fold_build_call_list_initializer): New.
7437         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
7438         constructors.
7439         (fold_strip_sign_ops): Likewise.
7440
7441 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7442             Brooks Moses  <brooks.moses@codesourcery.com>
7443             Lee Millward  <lee.millward@codesourcery.com>
7444
7445         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
7446         accessors and dump arguments explicitly.
7447
7448         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
7449         TREE_CODE_LENGTH.
7450         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
7451         explicitly.
7452         (print_call_name): Use new CALL_EXPR accessors.
7453
7454         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
7455         CALL_EXPR arguments explicitly instead of as a list.  Use
7456         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7457
7458         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
7459         (vrp_visit_stmt): Likewise.
7460
7461         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
7462         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
7463         TREE_CODE_LENGTH.
7464         (force_move_till_expr): Likewise.
7465
7466         * targhooks.c (default_external_stack_protect_fail): Use
7467         build_call_expr instead of build_function_call_expr.
7468         (default_hidden_stack_protect_fail): Likewise.
7469
7470         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
7471         build the call.
7472
7473         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
7474         and walk arguments explicitly.
7475
7476         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
7477         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7478         (expand_simple_operations): Likewise.
7479         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
7480
7481         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
7482         of TREE_CODE_LENGTH.
7483         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
7484
7485         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
7486         instead of TREE_CODE_LENGTH.
7487
7488         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
7489         (tree_ic_transform): Likewise.
7490         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
7491         parameter instead of arglist.  Fix callers.
7492         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
7493         (tree_stringops_transform): Likewise.
7494         (tree_indirect_call_to_profile): Likewise.
7495         (tree_stringops_values_to_profile): Likewise.
7496
7497         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
7498         (eliminate_tail_call): Likewise.
7499
7500         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
7501
7502         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
7503         Use TREE_OPERAND_LENGTH and generalize to handle any number of
7504         operands.
7505         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
7506
7507         * omp-low.c (build_omp_barrier): Use build_call_expr.
7508         (lower_rec_input_clauses): Likewise.
7509         (lower_reduction_clauses): Likewise.
7510         (expand_parallel_call): Likewise.
7511         (maybe_catch_exception): Likewise.
7512         (expand_omp_for_generic): Likewise.
7513         (expand_omp_for_static_nochunk): Likewise.
7514         (expand_omp_sections): Likewise.
7515         (lower_omp_single_simple): Likewise.
7516         (lower_omp_single_copy): Likewise.
7517         (lower_omp_master): Likewise.
7518         (lower_omp_ordered): Likewise.
7519         (lower_omp_critical): Likewise.
7520
7521         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
7522         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
7523
7524         * tree-gimple.c (is_gimple_call_addr): Fix doc.
7525         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
7526         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
7527
7528         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
7529         and generalize to handle any number of operands.
7530         (chrec_contains_undetermined): Likewise.
7531         (tree_contains_chrecs): Likewise.
7532         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
7533
7534         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
7535
7536         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
7537         fold_call_expr instead of fold_builtin.
7538         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
7539         match declarations there.
7540         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
7541         updates.
7542
7543         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
7544         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7545
7546         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
7547         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
7548
7549         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
7550         accessors.
7551
7552         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
7553         (execute_cse_sincos): Use new CALL_EXPR accessors.
7554
7555         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
7556
7557         * gimple-low.c (lower_function_body): Use build_call_expr.
7558         (lower_builtin_setjmp): Likewise.
7559
7560         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
7561         (set_storage_via_libcall): Likewise.
7562         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
7563         instead of TREE_CODE_LENGTH.
7564         (expand_expr_real_1): Use new CALL_EXPR accessors.
7565
7566         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
7567         generalize to handle any number of operands.
7568         (TB_parent_eq): Likewise.
7569
7570         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
7571         (strip_builtin_expect): Likewise.
7572
7573         * function.c (gimplify_parameters): Use build_call_expr.
7574
7575         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
7576         instead of TREE_CODE_LENGTH.
7577
7578         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
7579         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
7580
7581         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
7582         iterators.
7583
7584         * gimplify.c (build_stack_save_restore): Use build_call_expr.
7585         (gimplify_decl_expr): Likewise.
7586         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
7587         Use new CALL_EXPR iterators.
7588         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
7589         (gimplify_modify_expr_to_memset): Likewise.
7590         (gimplify_variable_sized_compare): Likewise.
7591         (gimplify_omp_atomic_fetch_op): Likewise.
7592         (gimplify_omp_atomic_pipeline): Likewise.
7593         (gimplify_omp_atomic_mutex): Likewise.
7594         (gimplify_function_tree): Likewise.
7595
7596         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
7597         (call_expr_flags): Likewise.
7598         (expand_call): Likewise.
7599
7600         * except.c (expand_builtin_eh_return_data_regno): Pass entire
7601         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
7602         accessors.
7603
7604         * coverage.c (create_coverage): Use build_call_expr.
7605
7606         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
7607         (temp_call_expr_obstack): New.
7608         (pool_copy_list): Delete.
7609         (temp_copy_call_expr): New.
7610         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
7611         CALL_EXPR accessors.  Get rid of special goo for copying argument
7612         lists and use temp_copy_call_expr instead.
7613         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
7614         CALL_EXPR accessors.
7615         (create_expression_by_pieces): Likewise.  Use build_call_array
7616         to construct the result instead of fold_build3.
7617         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
7618         dealing with argument lists.
7619         (init_pre): Remove references to expression_node_pool and
7620         list_node_pool.  Init temp_call_expr_obstack instead.
7621         (fini_pre): Remove references to expression_node_pool and
7622         list_node_pool.
7623
7624         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
7625         and walk arguments explicitly instead of as a list.
7626
7627         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
7628         (mx_register_decls): Likewise.
7629         (mudflap_register_call): Likewise.
7630         (mudflap_finish_file): Likewise.
7631
7632         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
7633         (ipa_callsite_compute_param): Likewise.
7634
7635         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
7636         accessors and constructor.
7637
7638         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
7639         accessors and constructor.
7640         (convert_tramp_reference): Likewise.
7641         (convert_call_expr): Likewise.
7642         (finalize_nesting_tree_1): Likewise.
7643
7644         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
7645         accessors.
7646
7647         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
7648
7649         * tree-inline.c (initialize_inlined_parameters): Pass entire
7650         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
7651         accessors.
7652         (estimate_num_insns_1): Use new CALL_EXPR accessors.
7653         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
7654
7655         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
7656         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7657         (vectorizable_reduction): Likewise.
7658         (vectorizable_call): Use new CALL_EXPR iterators.
7659         (vectorizable_conversion): Use build_call_expr.
7660         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
7661         (vect_gen_widened_results_half): Use build_call_expr.
7662         (vect_setup_realignment): Likewise.
7663         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
7664
7665         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
7666         (pass_through_call): Likewise.
7667         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
7668         fold_builtin.
7669
7670         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
7671         (tree_gen_pow2_profiler): Likewise.
7672         (tree_gen_one_value_profiler): Likewise.
7673         (tree_gen_ic_func_profiler): Likewise.
7674         (tree_gen_average_profiler): Likewise.
7675         (tree_gen_ior_profiler): Likewise.
7676
7677         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
7678         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
7679         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7680
7681         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
7682         of TREE_CODE_LENGTH.
7683
7684         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
7685         of TREE_CODE_LENGTH.
7686
7687         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
7688         constructor.
7689         (convert_to_integer): Likewise.
7690
7691         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
7692         accessors.
7693
7694 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7695             Brooks Moses  <brooks.moses@codesourcery.com>
7696             Lee Millward  <lee.millward@codesourcery.com>
7697
7698         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
7699         accessors.
7700         * config/frv/frv.c (frv_expand_builtin): Likewise.
7701         * config/s390/s390.c (s390_expand_builtin): Likewise.
7702
7703         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
7704         (sparc_expand_builtin): Use new CALL_EXPR accessors.
7705
7706         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
7707         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
7708         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
7709         (ix86_expand_store_builtin): Likewise.
7710         (ix86_expand_unop_builtin): Likewise.
7711         (ix86_expand_unop1_builtin): Likewise.
7712         (ix86_expand_sse_compare): Likewise.
7713         (ix86_expand_sse_comi): Likewise.
7714         (ix86_expand_vec_init_builtin): Likewise.
7715         (ix86_expand_vec_ext_builtin): Likewise.
7716         (ix86_expand_vec_set_builtin): Likewise.
7717         (ix86_expand_builtin): Use new CALL_EXPR accessors.
7718
7719         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
7720         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
7721
7722         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
7723         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7724         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
7725
7726         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
7727         build_call_expr.
7728         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
7729         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
7730         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7731         (altivec_expand_abs_builtin): Likewise.
7732         (rs6000_expand_binop_builtin): Likewise.
7733         (altivec_expand_predicate_builtin): Likewise.
7734         (altivec_expand_lv_builtin): Likewise.
7735         (spe_expand_stv_builtin): Likewise.
7736         (altivec_expand_stv_builtin): Likewise.
7737         (rs6000_expand_ternop_builtin): Likewise.
7738         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
7739         (altivec_expand_st_builtin): Likewise.
7740         (altivec_expand_dst_builtin): Likewise.
7741         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
7742         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7743         (altivec_expand_vec_set_builtin): Likewise.
7744         (altivec_expand_vec_ext_builtin): Likewise.
7745         (altivec_expand_builtin): Use new CALL_EXPR accessors.
7746         (spe_expand_builtin): Likewise.
7747         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
7748         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7749         (spe_expand_evsel_builtin): Likewise.
7750         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
7751         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
7752
7753         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
7754         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7755         (arm_expand_unop_builtin): Likewise.
7756         (arm_expand_builtin): Use new CALL_EXPR accessors.
7757
7758         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
7759         accessors.
7760
7761         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
7762         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7763         (bfin_expand_unop_builtin): Likewise.
7764         (bfin_expand_builtin): Use new CALL_EXPR accessors.
7765
7766 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7767             Brooks Moses  <brooks.moses@codesourcery.com>
7768             Lee Millward  <lee.millward@codesourcery.com>
7769
7770         * c-semantics.c (build_stmt): Add internal diagnostic check.
7771
7772         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
7773         accessors.  Print arguments explicitly instead of as a list.
7774
7775         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
7776
7777         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
7778         (c_finish_omp_flish): Likewise.
7779
7780         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
7781         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
7782         instead of TREE_CODE_LENGTH.
7783         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
7784         (c_warn_unused_result): Likewise.
7785
7786 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7787
7788         PR c/26494
7789         * doc/invoke.texi (Warning Options): Remove
7790         -Werror-implicit-function-declaration.
7791         (Wimplicit-function-declaration): Update description.
7792         * opts.c (common_handle_option): Move handling of -Werror=* to...
7793         (enable_warning_as_error): ...here.
7794         * opts.h (enable_warning_as_error): Declare.
7795         * c-decl.c (implicit_decl_warning): Unless
7796         -Wno-implicit-function-declaration is given, emit a pedwarn if
7797         -std=c99 or emit a warning if -Wimplicit-function-declaration.
7798         * c.opt (Wimplicit-function-declaration): Replace
7799         mesg_implicit_function_declaration with
7800         warn_implicit_function_declaration.
7801         * c-opts.c (c_common_handle_option):
7802         -Werror-implicit-function-declaration is exactly equal as
7803         -Werror=implicit-function-declaration.
7804         (set_Wimplicit): Replace mesg_implicit_function_declaration with
7805         warn_implicit_function_declaration.
7806         (c_common_post_options): -Wimplict-function-declaration is enabled
7807         by default by -std=c99, otherwise is disabled by default.
7808         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
7809
7810 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7811
7812         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
7813         DECL on the rhs to a DECL on the lhs for debug info purposes if the
7814         former is ignored but not the latter.
7815
7816 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7817
7818         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
7819         is made and the reference doesn't use the alias set of its type,
7820         do not create the temporary using that type.
7821
7822 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
7823
7824         * jump.c: Remove prototypes for delete_computation and
7825         delete_prior_computation.
7826
7827 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
7828
7829         * jump.c (get_label_after): Delete.
7830         (get_label_before, delete_computation, delete_jump,
7831         delete_prior_computation, follow_jumps): Move...
7832         * reorg.c (delete_computation, delete_prior_computation): ... here...
7833         (get_label_before, delete_jump): ... making these static ...
7834         (follow_jumps): ... and simplifying this since it only runs after
7835         reload.
7836         * rtl.h (get_label_after, get_label_before, delete_jump,
7837         follow_jumps): Delete prototypes.
7838
7839 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
7840
7841         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
7842
7843 2007-02-15  Nick Clifton  <nickc@redhat.com>
7844
7845         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
7846         order to prevent it from being munged by the target.
7847
7848 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
7849
7850         * config/i386/i386.md: Remove misleading comment.
7851
7852 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7853
7854         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
7855         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
7856         invalid patterns.
7857
7858 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7859
7860         * tree-sra.c (instantiate_missing_elements): Canonicalize
7861         bit-field types.
7862         (sra_build_assignment): New.
7863         (generate_copy_inout, generate_element_copy,
7864         generate_element_zero, generate_one_element_init): Use it.
7865
7866 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7867
7868         * tree-sra.c (instantiate_missing_elements): Canonicalize
7869         bit-field types.
7870         (sra_build_assignment): New.
7871         (generate_copy_inout, generate_element_copy,
7872         generate_element_zero, generate_one_element_init): Use it.
7873
7874 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7875
7876         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
7877         limbo die nodes.
7878
7879 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
7880
7881         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
7882         types as aggregates not scalars.
7883         * function.c (assign_stack_temp_for_type): Likewise.
7884
7885 2007-02-14  Roger Sayle  <roger@eyesopen.com>
7886             Zdenek Dvorak  <dvorakz@suse.cz>
7887
7888         * tree-dump.c (dump_switch_p_1): Require exact match of the option
7889         name.
7890
7891 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
7892
7893         * passes.c (next_pass_1): Clear the next field of the copied
7894         pass structure.
7895
7896 2007-02-14  Richard Henderson  <rth@redhat.com>
7897
7898         * tree-sra.c (early_sra): New.
7899         (decl_can_be_decomposed_p): Deny va_list if early_sra.
7900         (tree_sra_early, pass_sra_early): New.
7901         * tree-pass.h (pass_sra_early): Declare.
7902         * passes.c (init_optimization_passes): Use it.
7903
7904 2007-02-14  Richard Guenther  <rguenther@suse.de>
7905
7906         * flags.h (issue_strict_overflow_warning): Convert to a macro.
7907
7908 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
7909
7910          PR tree-optimization/30771
7911         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
7912         also phi nodes.
7913         (vect_analyze_operations): Induction phis can now be marked as
7914         used_in_loop.
7915         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
7916         Update documentation accordingly.
7917
7918 2007-02-14  Nick Clifton  <nickc@redhat.com>
7919
7920         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
7921         most 3 arguments are supported.
7922         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
7923
7924 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
7925
7926         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
7927         Ensure dst->current is valid.
7928
7929 2007-02-13  Paul Brook  <paul@codesourcery.com>
7930
7931         * config.gcc: Add arm*-*-uclinux-*eabi.
7932         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
7933         (SUBTARGET_EXTRA_LINK_SPEC): Define.
7934         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
7935         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
7936         (LINK_SPEC): Define.
7937         (LIB_SPEC): Define.
7938         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
7939         register.
7940         * config/arm/uclinux-eabi.h: New file.
7941         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
7942         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
7943         based targets.
7944
7945 2007-02-13  Ian Lance Taylor  <iant@google.com>
7946
7947         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
7948         * flags.h (warn_strict_overflow): Declare.
7949         (enum warn_strict_overflow_code): Define.
7950         (issue_strict_overflow_warning): New static inline function.
7951         * opts.c (warn_strict_overflow): New variable.
7952         (common_handle_option): Handle OPT_Wstrict_overflow and
7953         OPT_Wstrict_overflow_.
7954         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
7955         OPT_Wall.
7956         * fold-const.c: Include intl.h.
7957         (fold_deferring_overflow_warnings): New static variable.
7958         (fold_deferred_overflow_warning): New static variable.
7959         (fold_deferred_overflow_code): New static variable.
7960         (fold_defer_overflow_warnings): New function.
7961         (fold_undefer_overflow_warnings): New function.
7962         (fold_undefer_and_ignore_overflow_warnings): New function.
7963         (fold_deferring_overflow_warnings_p): New function.
7964         (fold_overflow_warning): New static function.
7965         (make_range): Add strict_overflow_p parameter.  Change all
7966         callers.
7967         (extract_muldiv, extract_muldiv_1): Likewise.
7968         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
7969         tree_expr_nonnegative_p.
7970         (fold_negate_expr): Call fold_overflow_warning.
7971         (fold_range_test): Likewise.
7972         (fold_comparison): Likewise.
7973         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
7974         instead of tree_expr_nonnegative_p.
7975         (tree_expr_nonnegative_warnv_p): Rename from
7976         tree_expr_nonnegative_p, add strict_overflow_p parameter.
7977         (tree_expr_nonnegative_p): New function.
7978         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
7979         strict_overflow_p parameter.
7980         (tree_expr_nonzero_p): New function.
7981         * passes.c (verify_interpass_invariants): New static function.
7982         (execute_one_pass): Call it.
7983         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
7984         warnings.
7985         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
7986         (estimate_numbers_of_iterations): Likewise.
7987         (scev_probably_wraps_p): Likewise.
7988         * tree-ssa-ccp.c: Include "toplev.h".
7989         (evaluate_stmt): Defer fold overflow warnings until we know we are
7990         going to optimize.
7991         (struct fold_stmt_r_data): Add stmt field.
7992         (fold_stmt_r): Defer fold overflow warnings until we know we
7993         optimized.
7994         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
7995         (fold_stmt_inplace): Likewise.
7996         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
7997         (cleanup_control_expr_graph): Defer fold overflow warnings until
7998         we know we are going to optimize.
7999         * tree-cfg.c (fold_cond_expr_cond): Likewise.
8000         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
8001         Likewise.
8002         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
8003         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
8004         * tree-ssa-loop-manip.c (create_iv): Likewise.
8005         * c-typeck.c (build_conditional_expr): Likewise.
8006         (build_binary_op): Likewise.
8007         * tree-vrp.c (vrp_expr_computes_nonzero): Call
8008         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
8009         (extract_range_from_unary_expr): Likewise.
8010         * simplify-rtx.c (simplify_const_relational_operation): Warn when
8011         assuming that signed overflow does not occur.
8012         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
8013         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
8014         (fold_defer_overflow_warnings): Declare.
8015         (fold_undefer_overflow_warnings): Declare.
8016         (fold_undefer_and_ignore_overflow_warnings): Declare.
8017         (fold_deferring_overflow_warnings_p): Declare.
8018         (tree_expr_nonzero_warnv_p): Declare.
8019         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
8020         of warning options.
8021         (Warning Options): Document -Wstrict-overflow.
8022         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
8023         (tree-ssa-ccp.o): Likewise.
8024         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
8025         (fold-const.o): Depend on intl.h.
8026
8027 2007-02-13  Ian Lance Taylor  <iant@google.com>
8028
8029         PR middle-end/30751
8030         * lower-subreg.c (resolve_simple_move): Decompose subregs in
8031         addresses.
8032
8033 2007-02-13  Stuart Hastings  <stuart@apple.com>
8034
8035         * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
8036
8037 2007-02-13  Richard Henderson  <rth@redhat.com>
8038
8039         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
8040         handled_component_p before looking for the indirect_ref.
8041
8042 2007-02-13  Richard Henderson  <rth@redhat.com>
8043
8044         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
8045         remove flags clobber.
8046         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
8047         (bswaphi_lowpart): New.
8048         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
8049         remove TARGET_BSWAP test.  Delete expander of the same name.
8050
8051         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
8052         (expand_unop): Use them.
8053
8054 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
8055
8056         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
8057         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
8058         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
8059         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
8060         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
8061         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
8062         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
8063         assembler dialect choice from asm templates.
8064
8065 2007-02-12  Richard Henderson  <rth@redhat.com>
8066
8067         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
8068         (fixuns_trunc<SSEMODEF>si2): Use it.
8069         * config/i386/sse.md (vec_setv4sf_0): Export.
8070         * config/i386/i386.c (ix86_build_const_vector): Export.
8071         (ix86_split_convert_uns_si_sse): Rename from
8072         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
8073         * config/i386/i386-protos.h: Update.
8074
8075 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8076
8077         PR c/29521
8078         * c-typeck.c (c_finish_return): Improve warning message.
8079
8080 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8081
8082         * alias.c (find_symbolic_term): Delete unused function.
8083
8084 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
8085
8086         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
8087         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
8088         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
8089
8090 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
8091
8092         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
8093         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
8094         the function, temporarily point the debug interface to the null one.
8095
8096 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
8097
8098         * dwarf2out.c (round_up_to_align): New static function.
8099         (field_byte_offset): Use it to round the offset.
8100
8101 2007-02-12  Richard Henderson  <rth@redhat.com>
8102
8103         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
8104         (inswl_const): Export.
8105
8106 2007-02-12  Richard Henderson  <rth@redhat.com>
8107
8108         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
8109         result mode of the libcall, convert back to outmode.
8110
8111 2007-02-12  Roger Sayle  <roger@eyesopen.com>
8112
8113         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
8114         (bswapdi2): New define_expand to implement 32-bit implementation.
8115
8116 2007-02-12  Nick Clifton  <nickc@redhat.com>
8117
8118         * doc/invoke.texi (Overall Options): Document --help=.
8119         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
8120         (cc1_options): Pass --help= on to cc1.
8121         (display_help): Add description of --help=.
8122         (process_command): Add code to handle --help=.  Allow translated
8123         --help and --target-help switches to be passed on to compiler
8124         sub-process.
8125         (main): Remove unused if statement.
8126         * opts.c (columns): Remove.
8127         (LEFT_COLUMN): Define.
8128         (wrap_help): Add columns argument.
8129         (print_filtered_help): Change parameters to be an include bitmask,
8130         an exclude bitmask, an any bitmask and the column width.  Move the
8131         code to display the params list here.  Add code to display the
8132         status of options rather than their descriptions if the quiet flag
8133         is not active.
8134         (print_specific_help): Change parameters to be an include bitmask,
8135         an exclude bitmask and an any bitmask.  Move code to look up the
8136         column width here.  Decide upon the title for an options listing.
8137         (common_handle_options): Add code to handle --help=.  Adapt code
8138         for --help and --target-help to use the revised form of the
8139         print_specific_help function.
8140         (print_help): Delete.
8141         (print_param_help): Delete.
8142         (print_switch): Delete.
8143         * opts.h (cl_lang_count): Add prototype.
8144         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
8145         CL_MAX_OPTION_CLASS): New defines.
8146         * optc-gen.awk: Add construction of cl_lang_count.
8147         * c.opt: Add Warning attribute to warning options and Optimization
8148         attribute to optimization options.
8149         * common.opt: Likewise.
8150         Add --help=.
8151         Add -fhelp and -ftarget-help as aliases for the transformed --help
8152         and --target-help options.
8153         * opt-functions.awk: Add code to handle Warning and Optimization
8154         attributes.
8155
8156 2007-02-12  Richard Henderson  <rth@redhat.com>
8157
8158         * config/alpha/constraints.md: New file.
8159         * config/alpha/alpha.c: Include tm-constrs.h.
8160         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
8161         alpha_extra_constraint): Remove.
8162         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
8163         * config/alpha/alpha-protos.h: Update.
8164         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
8165         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
8166         (EXTRA_CONSTRAINT): Remove.
8167         * config/alpha/alpha.md: Include constraints.md.
8168         (adddi splitter): Use satisfies_constraint_*.
8169         * config/alpha/predicates.md (add_operand): Likewise.
8170         (sext_add_operand, addition_operation): Likewise.
8171
8172 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
8173
8174         PR tree-optimization/29145
8175         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
8176         in our handling of restrict qualified pointers.
8177
8178 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8179
8180         PR middle-end/7651
8181         * doc/invoke.texi (Wunused-value): Update description.
8182         (Wextra): Delete item.
8183         * opts.c (set_Wextra): Don't use the value of Wextra to set the
8184         value of Wunused-value.
8185         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
8186         (c_finish_stmt_expr): Don't check extra_warnings.
8187         (emit_side_effect_warnings): The caller is responsible to check
8188         warn_unused_value.
8189
8190 2007-02-11  Roger Sayle  <roger@eyesopen.com>
8191             Matt Thomas  <matt@3am-software.com>
8192
8193         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
8194
8195 2007-02-11  Roger Sayle  <roger@eyesopen.com>
8196
8197         * simplify-rtx.c (simplify_relational_operation_1): Optimize
8198         comparisons of POPCOUNT against zero.
8199         (simplify_const_relational_operation): Likewise.
8200
8201 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8202
8203         * doc/invoke.texi (Wextra): Delete outdated paragraph.
8204
8205 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8206
8207         * dwarf2out.c (root_type): Delete unused function.
8208
8209 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8210
8211         * genattrtab.c (contained_in_p): Delete unused function.
8212         (write_expr_attr_cache): Likewise.
8213
8214 2007-02-11  Jan Hubicka  <jh@suse.cz>
8215
8216         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
8217         previous patch.
8218
8219 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
8220
8221         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
8222         to add the REG_EQ* note.
8223         * see.c (see_merge_one_use_extension): Likewise.
8224         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
8225         turn REG_EQUAL notes into REG_EQUIV notes if the target
8226         register may have more than one set.
8227         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
8228         * gcse.c (try_replace_reg): Likewise.
8229         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
8230         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
8231         more than one REG_EQUIV note.
8232         * reload1.c (gen_reload): Use set_unique_reg_note.
8233
8234 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
8235
8236         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
8237         (ix86_builtin_conversion): New function.
8238
8239 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
8240
8241         PR target/29487
8242         * tree.h (DECL_REPLACEABLE_P): New macro.
8243         * except.c (set_nothrow_function_flags): Likewise.
8244
8245 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
8246             Ira Rosen  <irar@il.ibm.com>
8247             Dorit Nuzman  <dorit@il.ibm.com>
8248
8249         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
8250         * targhooks.c (default_builtin_vectorized_conversion): New.
8251         * targhooks.h (default_builtin_vectorized_function): New declaration.
8252         * target.h (struct vectorize): Add builtin_conversion field.
8253         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
8254         stmt_vec_info_type value.
8255         (vectorizable_conversion): New declaration.
8256         * tree-vect-analyze.c (vect_analyze_operations): Add
8257         vectorizable_conversion call.
8258         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
8259         * tree-vect-transform.c (vectorizable_conversion): New function.
8260         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
8261         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
8262         mode.
8263         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
8264         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
8265         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
8266         or ALTIVEC_BUILTIN_VCFSX.
8267
8268 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8269
8270         PR target/30634
8271         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
8272         CONST_DOUBLE and operand 0 is a hard register.
8273         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
8274         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
8275         is a hard floating-point register.
8276
8277 2007-02-10  Richard Henderson  <rth@redhat.com>
8278             Jakub Jelinek  <jakub@redhat.com>
8279             Alexandre Oliva  <aoliva@redhat.com>
8280
8281         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
8282         * builtin-types.def (BT_WORD): Make unsigned.
8283         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
8284         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
8285         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
8286         * c-decl.c (grokdeclarator): Don't error if !have_tls.
8287         * c-parser.c (c_parser_omp_threadprivate): Likewise.
8288         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
8289         emulated tls.
8290         * expr.c (emutls_var_address): New.
8291         (expand_expr_real_1): Expand emulated tls.
8292         (expand_expr_addr_expr_1): Likewise.
8293         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
8294         * output.h (emutls_finish): Declare.
8295         * toplev.c (compile_file): Call it.
8296         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
8297         address before wrapping in CONST.
8298         * varasm.c (emutls_htab, emutls_object_type): New.
8299         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
8300         (get_emutls_object_name, get_emutls_object_type): New.
8301         (get_emutls_init_templ_addr, emutls_decl): New.
8302         (emutls_common_1, emutls_finish): New.
8303         (assemble_variable): When emulating tls, swap decls; generate
8304         constructor for the emutls objects.
8305         (do_assemble_alias): When emulating tls, swap decl and target name.
8306         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
8307         for emulated tls.
8308         * varpool.c (decide_is_variable_needed): Look at force_output.
8309         Recurse for emulated tls.
8310         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
8311         with decide_is_variable_needed.
8312         * emutls.c: New file.
8313         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
8314         tls_object for real tls.
8315
8316 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
8317
8318         PR rtl-optimization/29599
8319         * reload1.c (eliminate_regs_in_insn): Take the destination
8320         mode into account when computing the offset.
8321
8322 2007-02-09  Stuart Hastings  <stuart@apple.com>
8323             Richard Henderson  <rth@redhat.com>
8324
8325         * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
8326         * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
8327         * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
8328         fixuns_truncdfhi2): New.
8329         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
8330         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
8331         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
8332         (floatunssidf2): Allow nonimmediate source.
8333         * config/i386/sse.md (movdi_to_sse): New.
8334         (vec_concatv2di): Drop '*'.
8335         * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
8336         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
8337         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
8338         New.
8339         * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
8340         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
8341         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
8342         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
8343         (ix86_build_signbit_mask): Fix decl of v, refactor to call
8344         ix86_build_const_vector.
8345         (x86_emit_floatuns): Rewrite.
8346
8347 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8348
8349         * genautomata.c (longest_path_length): Delete unused function.
8350         (struct state): Delete unused longest_path_length.
8351         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
8352         (get_free_state): Delete unused.
8353
8354 2007-02-09  Jan Hubicka  <jh@suse.cz>
8355
8356         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
8357         * doc/invoke.texi (inline-unit-growth): Update default value.
8358
8359         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
8360         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
8361         (rebuild_cgraph_edges): Likewise.
8362         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
8363         (dump_cgraph_node): Dump frequencies.
8364         (cgraph_clone_edge): Add frequency scales.
8365         (cgraph_clone_node): Add freuqnecy.
8366         * cgraph.h (cgraph_edge): Add freuqnecy argument.
8367         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
8368         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
8369         * tree-pass.h (TODO_rebuild_frequencies): New constant.
8370         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
8371         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
8372         (save_inline_function_body): Likewise.
8373         * ipa-inline.c: inluce rtl.h
8374         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
8375         (cgraph_edge_badness): Use frequencies.
8376         (cgraph_decide_recursive_inlining): Update clonning.
8377         (cgraph_decide_inlining_of_small_function): Dump frequency.
8378         * predict.c (estimate_bb_frequencies): Export.
8379         * predict.h (estimate_bb_frequencies): Declare.
8380         * tree-inline.c (copy_bb): Watch overflows.
8381         (expand_call_inline): Update call of cgraph_create_edge.
8382         (optimize_inline_calls): Use TODO flags to update frequnecies.
8383         * passes.h: Include predict.h
8384         (init_optimization_passes): Move profile ahead.
8385         (execute_function_todo): Handle TODO_rebuild_frequencies.
8386
8387 2007-02-09  Roger Sayle  <roger@eyesopen.com>
8388
8389         * config/alpha/alpha.c (emit_insxl): Force the first operand of
8390         the insbl or inswl pattern into a register.
8391
8392 2007-02-09  Roger Sayle  <roger@eyesopen.com>
8393
8394         * config/ia64/ia64.md (bswapdi2): New define_insn.
8395
8396 2007-02-09  Richard Henderson  <rth@redhat.com>
8397
8398         * config/i386/constraints.md (Ym): New constraint.
8399         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
8400         (movdi_1_rex64): Split sse and xmm general register moves from
8401         memory move alternatives.  Use conditional register constraints.
8402         (movsf_1, movdf_integer): Likewise.
8403         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
8404         (movdf_integer_rex64): New.
8405         (pushsf_rex64): Fix output constraints.
8406         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
8407         (sse2_stored): Likewise.
8408         (sse2_storeq_rex64): New.
8409         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
8410         amd and not generic.
8411         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
8412         for optimize_size.  Remove SF/DFmode hack.
8413
8414 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
8415
8416         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
8417         (bit_SSE4a): New.
8418
8419 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
8420             Richard Sandiford  <richard@codesourcery.com>
8421
8422         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
8423         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
8424         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
8425         m68k/t-mlib to tmake_file.
8426         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
8427         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
8428         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
8429         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
8430         variable is not empty, add t-$m68k_arch_family to tmake_file.
8431         Add t-mlibs to tmake_file.
8432         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
8433         * config/m68k/t-cf: New file.
8434         * config/m68k/t-m68k: Likewise.
8435         * config/m68k/t-mlibs: Likewise.
8436         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8437         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8438         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
8439         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8440         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
8441         Delete.
8442         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
8443         (INSTALL_LIBGCC): Delete.
8444         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
8445         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8446         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8447         (M68K_MLIB_CPU): Define.
8448         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8449         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8450         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
8451
8452 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
8453             Richard Guenther  <rguenther@suse.de>
8454
8455         PR middle-end/23361
8456         * fold-const.c (fold_comparison): Handle obfuscated comparisons
8457         against INT_MIN/INT_MAX.
8458         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
8459         file if a loop is removed.
8460
8461 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
8462
8463         * calls.c (store_one_arg): Pass correct alignment to
8464         emit_push_insn for non-BLKmode values.
8465         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
8466         unaligned stack slot via a suitably aligned slot.
8467
8468 2007-02-08  DJ Delorie  <dj@redhat.com>
8469
8470         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
8471         warnings.
8472         (legal_subregs): Use unsigned char, make const.
8473         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
8474
8475 2007-02-08  Paul Brook  <paul@codesourcery.com>
8476
8477         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
8478         special interworking needed.
8479
8480 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
8481
8482         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
8483         conditional to __SSE2__.
8484         (Entries below should have been added to first ChangeLog
8485         entry for amdfam10 dated 2007-02-05)
8486         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
8487         defined.
8488         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
8489         defined.
8490         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
8491         defined.
8492
8493 2007-02-08  DJ Delorie  <dj@redhat.com>
8494
8495         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
8496         * config/m32c/m32c.c (legal_subregs): New.
8497         (m32c_illegal_subreg_p): New.
8498         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
8499         unsupported subregs of hard regs.
8500
8501 2007-02-08  Jan Hubicka  <jh@suse.cz>
8502
8503         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
8504         the same one; always update histograms.
8505
8506 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
8507
8508         * passes.c (init_optimization_passes): Tidy comment.
8509
8510 2007-02-08  Roger Sayle  <roger@eyesopen.com>
8511
8512         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
8513         strip zero_extend, bswap and rotates from POCOUNT's argument.
8514         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
8515         zero_extend and rotates from PARITY's argument.
8516         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
8517         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
8518         of an integer constant at compile-time.
8519
8520 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
8521
8522         PR 30562
8523         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
8524         Update all users.
8525         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
8526         users.
8527         (init_alias_info):
8528         * tree-ssa-live.c (remove_unused_locals): Do not remove
8529         TREE_ADDRESSABLE variables.
8530         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
8531         * tree-ssa-operands.c (add_virtual_operand): Remove argument
8532         FOR_CLOBBER.  Update all users.
8533         If VAR has an associated alias set, add a virtual operand for
8534         it if no alias is found to conflict with the memory reference.
8535
8536 2007-02-07  Jan Hubicka  <jh@suse.cz>
8537             Robert Kidd <rkidd@crhc.uiuc.edu>
8538
8539         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
8540
8541 2007-02-07  Ian Lance Taylor  <iant@google.com>
8542
8543         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
8544
8545 2007-02-07  Roger Sayle  <roger@eyesopen.com>
8546
8547         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
8548         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
8549         tablejumpdi, movsi_to_cr_one): Remove constraints from
8550         define_expand's match_operands.
8551
8552 2007-02-07  Roger Sayle  <roger@eyesopen.com>
8553
8554         * global.c (compute_regsets): Move declatation of "i" inside of
8555         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
8556
8557 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
8558
8559         PR c++/30703
8560         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
8561         of INDIRECT_REF <RESULT_DECL>.
8562
8563         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
8564
8565 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
8566             Kaz Kojima  <kkojima@gcc.gnu.org>
8567
8568         PR target/29746
8569         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
8570         properly.
8571         (sh_initialize_trampoline): Add parentheses to avoid a warning.
8572
8573 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
8574
8575         * doc/loop.texi: Document possibility not to perform disambiguation
8576         of loops with multiple latches.
8577         * cfgloopmanip.c (alp_enum_p): Removed.
8578         (add_loop): Handle subloops.  Use get_loop_body_with_size.
8579         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
8580         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
8581         the new forwarder block.
8582         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
8583         Handle the case latch is NULL.
8584         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
8585         when marking loop exits.
8586         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
8587         be modified.
8588         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
8589         disambiguate_loops_with_multiple_latches.
8590         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
8591         before fix_loop_structure.
8592         * cfgloop.c: Include pointer-set.h and output.h.
8593         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
8594         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
8595         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
8596         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
8597         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
8598         disambiguate_multiple_latches, get_loop_body_with_size,
8599         disambiguate_loops_with_multiple_latches): New functions.
8600         (flow_loop_dump): Dump multiple latch edges.
8601         (flow_loop_nodes_find): Handle loops with multiple latches.
8602         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
8603         (glb_enum_p): Modified.
8604         (get_loop_body): Use get_loop_body_with_size.
8605         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
8606         (AVOID_CFG_MODIFICATIONS): New constant.
8607         (disambiguate_loops_with_multiple_latches, add_loop,
8608         get_loop_body_with_size): Declare.
8609         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
8610
8611 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
8612
8613         PR inline-asm/28686
8614         * global.c (compute_regsets): New function.
8615         (global_alloc): Refactored ELIMINABLE_REGSET
8616         and NO_GLOBAL_ALLOC_REGS computation out.
8617         (rest_of_handle_global_alloc): Call compute_regsets()
8618         for non-optimizing case.
8619
8620 2007-02-06  Richard Henderson  <rth@redhat.com>
8621
8622         * config/i386/constraints.md (Y2): Rename from Y.
8623         (Yi): New constraint.
8624         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
8625         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
8626         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
8627         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
8628         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
8629         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
8630         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
8631         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
8632         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
8633         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
8634         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
8635         vec_extractv2si_1): Change Y constraints to Y2.
8636         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
8637         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
8638         Change Y constraints to Y2.
8639         (sse2_loadld): Change Y constraints to x.
8640
8641 2007-02-06  Roger Sayle  <roger@eyesopen.com>
8642
8643         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
8644         (parity<mode>2): New define_expand using rs6000_emit_parity.
8645         * config/rs6000/rs6000.c (rs6000_emit_popcount,
8646         rs6000_emit_parity): New functions.
8647         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
8648         rs6000_emit_parity): Prototype here.
8649
8650 2007-02-06  Ian Lance Taylor  <iant@google.com>
8651
8652         * lower-subreg.c (simple_move_operand): Reject CONST.
8653         (resolve_clobber): Call validate_change rather than directly
8654         assigning to XEXP (pat, 0).
8655
8656 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
8657
8658         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
8659         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
8660         (tree-cfg.o): Remove hashtab.h dependency.
8661
8662         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
8663         (struct ivopts_data): Change niters to pointer_map_t.
8664         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
8665         (niter_for_exit): Create pointer_map on demand.  Change for
8666         pointer_map API.
8667         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
8668         (free_loop_data): Destroy data->niters if created and reset field.
8669         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
8670         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
8671
8672         * tree-ssa-reassoc.c: Include pointer-set.h.
8673         (bb_rank): Change to long *.
8674         (operand_rank): Change to pointer_map_t.
8675         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
8676         (insert_operand_rank): Accept long.
8677         (operand_entry_hash, operand_entry_eq): Remove.
8678         (get_rank): Return long.  Adjust for changes above.
8679         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
8680         and operand_rank.
8681         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
8682
8683         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
8684         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
8685         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
8686         is not NULL.
8687         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
8688         directly since it cannot be NULL.
8689         (get_vi_for_tree): Rewrite for pointer_map API.
8690         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
8691         (init_alias_vars): Create vi_for_tree as pointer_map.
8692         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
8693
8694         * tree-cfg.c: Don't include hashtab.h.
8695         (edge_to_cases): Declare as pointer_map.
8696         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
8697         Delete.
8698         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
8699         (start_recording_case_labels): Create edge_to_cases as pointer_map.
8700         (end_recoding_case_labels): Cleanup edge_to_cases manually before
8701         destroying it.
8702         (record_switch_edge): Delete.
8703         (get_cases_for_edge): Adjust for pointer_map API, inline
8704         record_switch_edge (rewritten for new API), remove goto.
8705
8706 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
8707
8708         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
8709         * tree-nested.c: Include pointer-set.h.
8710         (var_map_elt, var_map_eq, var_map_hash): Delete.
8711         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
8712         to pointer_map_t's.
8713         (nesting_info_bitmap_obstack): New.
8714         (lookup_field_for_decl): Adjust for pointer_map API.
8715         (lookup_tramp_for_decl): Adjust for pointer_map API.
8716         (get_nonlocal_debug_decl): Adjust for pointer_map API.
8717         (get_local_debug_decl): Adjust for pointer_map API.
8718         (convert_nl_goto_reference): Adjust for pointer_map API.
8719         (convert_nl_goto_receiver): Adjust for pointer_map API.
8720         (create_nesting_tree): Create outside GGC space.  Create bitmap on
8721         the new obstack.  Create field_map and var_map as pointer_maps.
8722         (free_nesting_tree): Adjust for changes to create_nesting_tree.
8723         (root): Delete.
8724         (lower_nested_functions): Move root here, no need to NULL it.
8725         Initialize and release the obstack.
8726
8727 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
8728
8729         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
8730         Remove prototypes and make them non-static.
8731         (struct tree_int_map): Remove.
8732         * tree.h (struct tree_int_map): Move here, turning TO into an
8733         unsigned int.
8734         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
8735
8736         * tree.h (TREE_COMPLEXITY): Remove.
8737         (struct tree_exp): Remove complexity field.
8738         * tree.c (build1_stat): Don't set it.
8739
8740 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
8741             Victor Kaplansky  <victork@il.ibm.com>
8742
8743         * tree-vectorizer.c (vect_is_simple_use): Support induction.
8744         (vect_is_simple_reduction): Support reduction with induction as
8745         one of the operands.
8746         (vect_is_simple_iv_evolution): Fix formatting.
8747         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
8748         formatting.  Don't mark induction phis for vectorization.
8749         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
8750         * tree-vect-transform.c (get_initial_def_for_induction): New function.
8751         (vect_get_vec_def_for_operand): Support induction.
8752         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
8753         induction case.
8754         (vectorizable_reduction): Support reduction with induction as one of
8755         the operands.
8756         (vectorizable_type_demotion): Use def-type of stmt argument rather
8757         than dummy def-type.
8758
8759         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
8760         flag_tree_scev_cprop.
8761         * common.opt (tree-scev-cprop): New flag.
8762
8763         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
8764         call to vect_get_new_vect_var.
8765
8766 2007-02-06  Ira Rosen  <irar@il.ibm.com>
8767
8768         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
8769         vectype is not NULL.
8770         (vect_pattern_recog_1): Likewise.
8771
8772 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8773
8774         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
8775         (fold_negate_expr): Likewise.
8776
8777 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
8778
8779         PR debug/30189
8780         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
8781         even if cv-qualification is the same.
8782
8783 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
8784
8785         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
8786         __enable_execute_stack on completion.
8787
8788 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8789
8790         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
8791         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
8792         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
8793         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
8794         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
8795         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
8796         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
8797         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
8798
8799 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8800
8801         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
8802         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
8803         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
8804         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
8805         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
8806         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
8807         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
8808         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
8809         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
8810         umuldi3_highpart_rex64, umulsi3_highpart_insn,
8811         umulsi3_highpart_zext, smuldi3_highpart_rex64,
8812         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
8813         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
8814         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
8815         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
8816         sqrtextenddfxf2_i387): Added amdfam10_decode.
8817
8818         * config/i386/athlon.md (athlon_idirect_amdfam10,
8819         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
8820         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
8821         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
8822         athlon_ivector_store_amdfam10): New define_insn_reservation.
8823         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
8824         amdfam10.
8825
8826 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8827
8828         * config/i386/athlon.md (athlon_call_amdfam10,
8829         athlon_pop_amdfam10, athlon_lea_amdfam10): New
8830         define_insn_reservation.
8831         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
8832         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
8833         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
8834
8835 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8836
8837         * config/i386/athlon.md (athlon_sseld_amdfam10,
8838         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
8839         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
8840
8841 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8842
8843         * config/i386/athlon.md (athlon_sseins_amdfam10): New
8844         define_insn_reservation.
8845         * config/i386/i386.md (sseins): Added sseins to define_attr type
8846         and define_attr unit.
8847         * config/i386/sse.md: Set type attribute to sseins for insertq
8848         and insertqi.
8849
8850 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8851
8852         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
8853         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
8854         ssecomi_load_amdfam10, ssecomi_amdfam10,
8855         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
8856         define_insn_reservation.
8857         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
8858
8859 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8860
8861         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
8862         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
8863         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
8864         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
8865         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
8866         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
8867         define_insn_reservation.
8868
8869         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
8870         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
8871         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
8872         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
8873         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
8874
8875 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8876
8877         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
8878         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
8879         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
8880         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
8881         athlon_ssemul_load_k8): Added amdfam10.
8882
8883 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8884
8885         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
8886         (x86_sse_unaligned_move_optimal): New variable.
8887
8888         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
8889         m_AMDFAM10.
8890         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
8891         for unaligned vector SSE double/single precision loads for AMDFAM10.
8892
8893 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8894
8895         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
8896         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
8897         Define TARGET_CPU_DEFAULT_amdfam10.
8898         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
8899         (processor_type): Add PROCESSOR_AMDFAM10.
8900
8901         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
8902         processor_type in config/i386/i386.h.
8903         Enable imul peepholes for TARGET_AMDFAM10.
8904
8905         * config.gcc: Add support for --with-cpu option for amdfam10.
8906
8907         * config/i386/i386.c (amdfam10_cost): New variable.
8908         (m_AMDFAM10): New macro.
8909         (m_ATHLON_K8_AMDFAM10): New macro.
8910         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
8911         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
8912         x86_promote_QImode, x86_integer_DFmode_moves,
8913         x86_partial_reg_dependency, x86_memory_mismatch_stall,
8914         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
8915         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
8916         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
8917         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
8918         Enable/disable for amdfam10.
8919         (override_options): Add amdfam10_cost to processor_target_table.
8920         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
8921         processor_alias_table.
8922         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
8923         (ix86_adjust_cost): Add code for amdfam10.
8924
8925 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8926
8927         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
8928         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
8929         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
8930         * config/i386/i386.h: Add builtin definition for SSE4A.
8931         * config/i386/i386.md: Add support for ABM instructions
8932         (popcnt and lzcnt).
8933         * config/i386/sse.md: Add support for SSE4A instructions
8934         (movntss, movntsd, extrq, insertq).
8935         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
8936         Add -march=amdfam10 flag.
8937         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
8938         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
8939         and amdfam10.
8940         * doc/extend.texi: Add documentation for SSE4A builtins.
8941
8942 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
8943
8944         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
8945
8946 2007-02-05  Richard Guenther  <rguenther@suse.de>
8947
8948         * tree-vectorizer.h (vectorizable_function): Add argument type
8949         argument, change return type.
8950         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
8951         * tree-vect-transform.c (vectorizable_function): Handle extra
8952         argument, return vectorized function decl.
8953         (build_vectorized_function_call): Remove.
8954         (vectorizable_call): Handle calls with result and argument types
8955         differing.  Handle loop vectorization factor correctly.
8956         * targhooks.c (default_builtin_vectorized_function): Adjust for
8957         extra argument.
8958         * targhooks.h (default_builtin_vectorized_function): Likewise.
8959         * target.h (builtin_vectorized_function): Add argument type
8960         argument.
8961         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
8962         extra argument, allow vectorizing of lrintf.
8963         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
8964         documentation of target hook.
8965
8966 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
8967
8968         PR target/30665
8969         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
8970         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
8971         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
8972
8973 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8974
8975         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
8976         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
8977         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
8978         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
8979         before canonicalizing sincos to cexpi.
8980         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
8981
8982 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8983
8984         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
8985         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
8986         (alpha_init_builtins): Use alpha_add_builtins to process tables.
8987
8988 2007-02-05  Roger Sayle  <roger@eyesopen.com>
8989
8990         * mips-tfile.c (initialize_init_file): Correct endianness test.
8991
8992 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
8993
8994         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
8995         the 'y' constraint.
8996
8997 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
8998
8999         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
9000         saves in a PARALLEL before the register assignments.
9001
9002 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
9003
9004         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
9005         DWARF_FRAME_RETURN_COLUMN to be a general register.
9006         * dwarf2out.c (init_return_column_size): New function, split from...
9007         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
9008         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
9009         to be nongeneral registers.
9010         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
9011         integer registers.
9012         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
9013         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
9014
9015 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
9016
9017         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
9018
9019 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
9020
9021         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
9022         (remove_path): Use can_remove_branch_p and remove_branch instead
9023         of loop_delete_branch_edge.
9024         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
9025         (tree_transform_and_unroll_loop): Remove dead branches immediately.
9026         Update profile using scale_dominated_blocks_in_loop.
9027         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
9028         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
9029         (can_remove_branch_p, remove_branch): Declare.
9030         * tree-cfg.c (tree_can_remove_branch_p): New function.
9031         (tree_cfg_hooks): Add tree_can_remove_branch_p.
9032         * cfgrtl.c (rtl_can_remove_branch_p): New function.
9033         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
9034
9035 2007-02-05  Jan Hubicka  <jh@suse.cz>
9036
9037         PR middle-end/30696
9038         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
9039         nodes in cgraph, don't remove offline copy of the function.
9040
9041 2007-02-04  Jan Hubicka  <jh@suse.cz>
9042
9043         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
9044         vectors might cause maybe_lookup_element_for_expr to be called
9045         on non-sra-candidate.
9046
9047 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
9048
9049         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
9050         config/bfin/bfin.md, config/bfin/predicates.md: Follow
9051         spelling conventions.
9052
9053 2007-02-04  Richard Guenther  <rguenther@suse.de>
9054
9055         PR middle-end/30636
9056         * fold-const.c (try_move_mult_to_index): Make sure to not
9057         overflow one dimension of a multi-dimensional array access.
9058
9059 2007-02-04  Jan Hubicka  <jh@suse.cz>
9060
9061         * passes.c (init_optimization_passes): Reindent.
9062
9063 2007-02-04  Jan Hubicka  <jh@suse.cz>
9064             Eric Botcazou  <ebotcazou@adacore.com>
9065
9066         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
9067         (execute_fixup_cfg): Break out the abnormal goto code.
9068         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
9069         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
9070         (optimize_inline_calls): Call make_nonlocal_label_edges.
9071
9072 2007-02-04  Jan Hubicka  <jh@suse.cz>
9073
9074         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
9075         true when something was changed.
9076         (rename_ssa_copies): When something was changed, do
9077         TODO_remove_unused_locals.
9078         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
9079         add TODO_remove_unused_locals when instruction was removed.
9080
9081 2007-02-04  Jan Hubicka  <jh@suse.cz>
9082
9083         * ipa-inline.c (try_inline): Improve debug output; work on already
9084         inline edges too.
9085         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
9086         call try_inline for already inlined edges too when flattening;
9087         inline also functions that make callee growth but overall unit size
9088         reduce.
9089
9090 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
9091
9092         * config/m32c/bitops.md, config/m32c/jump.md,
9093         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
9094         config/m32r/m32r.h, config/m32r/m32r.md,
9095         config/m32r/predicates.md, config/m68hc11/larith.asm,
9096         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
9097         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
9098         config/mips/mips-protos.h, config/mips/mips.c,
9099         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
9100         config/mn10300/mn10300.h, config/mn10300/predicates.md,
9101         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
9102         spelling conventions.
9103
9104         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
9105         Follow spelling conventions.
9106
9107 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
9108
9109         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
9110         warn about C++0x compatibility.
9111
9112 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
9113
9114         * config/h8300/h8300.c, config/h8300/h8300.h,
9115         config/h8300/h8300.md: Follow spelling conventions.
9116
9117 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
9118
9119         PR middle-end/30667
9120         * combine.c (try_combine): Do not substitute source operand
9121         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
9122
9123 2007-02-03  Jan Hubicka  <jh@suse.cz>
9124
9125         PR gcov-profile/30650
9126         * value-prof.c (stringop_block_profile): Fix handling of size counter;
9127         do not divide by zero for never executed counters.
9128         (tree_find_values_to_profile): Fix counters.
9129         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
9130
9131 2007-02-03  Ian Lance Taylor  <iant@google.com>
9132
9133         * lower-subreg.c (simple_move_operand): New static function,
9134         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
9135         operands.
9136         (simple_move): Call simple_move_operand.
9137         (find_decomposable_subregs): Add special handling of MEMs.
9138         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
9139         meaning of return value.  If we see a hard register, test whether
9140         it can store a word_mode value.  Change all callers.
9141
9142 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9143
9144         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
9145         ftrapv insns and expanders.
9146         (subdi3): Change define_expand operand 1 to arith11_operand, and
9147         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
9148         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
9149         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
9150         respectively.
9151
9152         PR middle-end/30174
9153         * varasm.c (notice_global_symbol): Treat global objects as weak when
9154         flag_shlib is true.
9155
9156 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9157
9158         * emit-rtl.c (dconstpi): Delete.
9159         (dconstsqrt2): New.
9160         (init_emit_once): Delete dconstpi and init dconstsqrt2.
9161         * real.h (dconstpi): Delete.
9162         (dconstsqrt2): New.
9163         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
9164         (fold_builtin_hypot): Likewise.
9165
9166 2007-02-03  Tom Tromey  <tromey@redhat.com>
9167
9168         PR driver/30246
9169         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
9170         -gcoff3, -gxcoff3, -gvms3 implies -dD.
9171
9172 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
9173
9174         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
9175         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
9176         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
9177         config/rs6000/cell.md, config/rs6000/darwin.h,
9178         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
9179         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
9180         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
9181         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
9182         typos.  Follow spelling conventions.
9183         * doc/invoke.texi: Follow spelling conventions.
9184
9185 2007-02-03  Roger Sayle  <roger@eyesopen.com>
9186
9187         * simplify-rtx.c (simplify_relational_operation_1): Implement some
9188         canonicalization transformations that attempt to simplify integer
9189         constant comparisons to become comparisons against zero.
9190
9191 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9192
9193         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
9194         fabs(x)*sqrt(2).
9195         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
9196         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
9197
9198 2007-02-02  Mike Stump  <mrs@apple.com>
9199
9200         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
9201         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
9202         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
9203         generate a branch island.
9204
9205 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
9206
9207         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
9208         (xtensa_legitimate_address_p): New.
9209         (xtensa_legitimize_address): New.
9210         (xtensa_output_addr_const_extra): New.
9211         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
9212         (BASE_REG_P): New.
9213         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
9214         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
9215         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
9216         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
9217         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
9218         (xtensa_legitimize_address): New.
9219         (xtensa_output_addr_const_extra): New.
9220
9221 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
9222
9223         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
9224
9225 2007-02-02  Ian Lance Taylor  <iant@google.com>
9226
9227         * expmed.c (expand_divmod): Add comment.
9228
9229 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
9230
9231         * emit-rtl.c (renumber_insns): Remove.
9232         * flags.h: Remove the extern for flag_renumber_insns.
9233         * rtl.h: Remove the prototype for renumber_insns.
9234         * toplev.c (flag_renumber_insns): Remove.
9235
9236 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
9237
9238         Revert for x86 darwin:
9239         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
9240
9241         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
9242         code before the following patch under TARGET_MACHO.
9243         (ix86_function_value_regno_p): Likewise.
9244
9245 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9246
9247         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
9248         COMPLEX_EXPR.
9249
9250 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
9251
9252         PR target/29682
9253         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
9254         general or fp registers.  Add comments.
9255         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
9256
9257 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
9258
9259         * pointer-set.c (insert_aux): Only return insertion slot.
9260         (pointer_set_insert): Adjust.
9261         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
9262         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
9263         pointer_map_traverse): New.
9264         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
9265         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
9266         pointer_map_contains, pointer_map_traverse): Declare.
9267
9268 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
9269
9270         PR middle-end/30473
9271         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
9272         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
9273
9274 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
9275
9276         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
9277
9278         (struct _dep): New type.
9279         (dep_t): New typedef.
9280         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
9281         (DEP_STATUS): New access macro.  The macro with the same name was
9282         renamed to DEP_LINK_STATUS.
9283         (dep_init): Declare function
9284
9285         (struct _dep_link): New type.
9286         (dep_link_t): New typedef.
9287         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
9288         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
9289         (DEP_LINK_STATUS): New macro.
9290         (debug_dep_links): New debug function.
9291
9292         (struct _deps_list): New type.
9293         (deps_list_t): New typedef.
9294         (DEPS_LIST_FIRST): New access macro.
9295         (FOR_EACH_DEP_LINK): New cycle macro.
9296         (create_deps_list, free_deps_list, delete_deps_list): Declare
9297         functions.
9298         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
9299         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
9300         (copy_deps_list_change_con): Ditto.
9301
9302         (move_dep_link): Declare function.
9303
9304         (struct _dep_node): New type.
9305         (dep_node_t): New typedef.
9306         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
9307
9308         (struct haifa_insn_data.back_deps): New field to hold backward
9309         dependencies of the insn.
9310         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
9311         to deps_list_t.
9312         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
9313         Change its type to deps_list_t.
9314         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
9315         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
9316         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
9317
9318         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
9319
9320         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
9321
9322         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
9323         all callers.
9324         (dep_cost): Declare.
9325
9326         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
9327         (ds_to_dk, dk_to_ds): New functions.
9328
9329         (init_dep_1): New static function.
9330         (init_dep): New function.
9331         (copy_dep): New static function.
9332
9333         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
9334         functions.
9335         (detach_dep_link): New static function.
9336         (move_dep_link): New function.
9337
9338         (dep_links_consistent_p, dump_dep_links): New static functions.
9339         (debug_dep_links): New debugging function.
9340
9341         (deps_obstack, dl_obstack, dn_obstack): New static variables.
9342
9343         (alloc_deps_list, init_deps_list): New static functions.
9344         (create_deps_list): New function.
9345         (clear_deps_list): New static function.
9346         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
9347         (deps_list_consistent_p, dump_deps_list): New static functions.
9348         (debug_deps_list): New function.
9349         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
9350         functions.
9351         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
9352
9353         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
9354         use new scheduler dependencies lists.
9355         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
9356         (sched_analyze): Ditto.  Initialize dependencies lists.
9357         (add_forw_dep, compute_forward_dependences): Update to use new
9358         scheduler dependencies lists.
9359
9360         (init_dependency_caches): Init deps_obstack.
9361         (free_dependency_caches): Free deps_obstack.
9362
9363         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
9364         new scheduler dependencies lists.
9365         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
9366         (add_back_forw_dep, delete_back_forw_dep): Ditto.
9367
9368         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
9369         Update to use new scheduler dependencies lists.
9370         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
9371         (debug_dependencies): Ditto.
9372         (schedule_region): Update comments.
9373
9374         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
9375         scheduler dependencies lists.
9376         (schedule_ebb): Update comments.
9377
9378         * rtl.def (DEPS_LIST): Remove.
9379
9380         * lists.c (unused_deps_list): Remove.
9381         (free_list): Update assertions.
9382
9383         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
9384         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
9385
9386         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
9387         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
9388
9389         * haifa-sched.c (comments): Update.
9390         (insn_cost1): Remove.  Inline the code into insn_cost ().
9391         (insn_cost): Update to use new scheduler dependencies lists.  Move
9392         processing of the dependency cost to dep_cost ().
9393         (dep_cost): New function.  Use it instead of insn_cost () when
9394         evaluating cost of the dependency.  Use compatible interface to
9395         interact with the target.
9396         (priority): Update to use new scheduler dependencies lists.
9397         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
9398         with greater number of insns that depend on the insn.
9399         (schedule_insn): Update to use new scheduler dependencies lists.  Add
9400         code to free backward dependencies lists.  Inline and optimize code
9401         from resolve_dep () - see PR28071.
9402         (ok_for_early_queue_removal): Update to use new scheduler dependencies
9403         lists.  Update call to targetm.sched.is_costly_dependence hook.
9404
9405         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
9406         scheduler dependencies lists.
9407
9408         (resolve_dep): Remove.  Move the logic to schedule_insn ().
9409         (init_h_i_d): Initialize dependencies lists.
9410
9411         (process_insn_depend_be_in_spec): Rename to
9412         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
9413         dependencies lists.
9414         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
9415         Update to use new scheduler dependencies lists.
9416         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
9417
9418         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
9419         new scheduler dependencies lists.
9420         (build_intra_loop_deps): Ditto.
9421
9422         * target.h (struct _dep): Declare to use in
9423         gcc_target.sched.is_costly_dependence.
9424         (struct gcc_target.sched.adjust_cost): Fix typo.
9425         (struct gcc_target.sched.is_costly_dependence): Change signature to use
9426         single dep_t parameter instead of an equivalent triad.
9427         (struct gcc_target.sched.adjust_cost_2): Remove.
9428
9429         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
9430
9431         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
9432
9433         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
9434         documentation.
9435         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
9436
9437         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
9438         (REG_DEP_TRUE): Document.
9439
9440         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
9441         Change signature to correspond to the targetm.sched.adjust_cost hook.
9442         Update use in TARGET_SCHED_ADJUST_COST_2.
9443         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
9444         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
9445         new scheduler dependencies lists.
9446         (ia64_gen_check): Ditto.
9447
9448         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
9449         dependencies lists.
9450
9451         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
9452         signature to correspond to the targetm.sched.is_costly_dependence hook.
9453         (is_costly_group): Update to use new scheduler dependencies lists.
9454
9455         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
9456         instead of INSN_COST () macro.
9457
9458 2007-02-01  Ian Lance Taylor  <iant@google.com>
9459
9460         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
9461
9462 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
9463
9464         * pa.md (tp_load): Correct mfctl instruction syntax.
9465
9466 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
9467
9468         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
9469         altivec_padding_size calculation on AIX.  Improve comment, add
9470         assert to verify that it's right.
9471
9472         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
9473         64-bit.
9474
9475 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
9476
9477         PR inline-asm/28686
9478         * global.c (global_alloc): Add mising initialization of
9479         ELIMINABLE_REGSET.
9480
9481 2007-02-01  Roger Sayle  <roger@eyesopen.com>
9482
9483         * alias.c (init_alias_analysis): Correct whitespace.
9484         * bb-reorder.c (fix_edges_for_rarely_executed_code,
9485         partition_hot_cold_basic_blocks): Likewise.
9486         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
9487         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
9488         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
9489         fold_builtin_snprintf_chk, fold_builtin_printf,
9490         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
9491         do_mpfr_arg3, do_mpfr_sincos): Likewise.
9492         * cfgcleanup.c (cleanup_cfg): Likewise.
9493         * cfgexpand.c (tree_expand_cfg): Likewise.
9494         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
9495         * function.c (get_next_funcdef_no): Likewise.
9496         * gengtype.c (main): Likewise.
9497         * genmodes.c (main): Likewise.
9498         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
9499         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
9500         * ifcvt.c (noce_emit_move_insn): Likewise.
9501         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
9502         Likewise.
9503         * stor-layout.c (get_best_mode): Likewise.
9504         * tree-ssa-loop-niter.c (get_val_for): Likewise.
9505         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
9506         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
9507         perform_var_substitution, solve_graph): Likewise.
9508         * tree-vrp.c (vrp_finalize): Likewise.
9509
9510 2007-02-01  Ian Lance Taylor  <iant@google.com>
9511
9512         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
9513         high part of a paradoxical subreg, return a constant zero.
9514
9515 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
9516
9517         * toplev.c (lang_dependent_init): Call init_set_costs.
9518         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
9519
9520 2007-02-01  Richard Guenther  <rguenther@suse.de>
9521
9522         PR middle-end/30656
9523         * fold-const.c (fold_negate_expr): Allow negating a
9524         constant if overflow does not change.
9525
9526 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9527
9528         * doc/c-tree.texi (Expression trees): Improve markup.
9529         * doc/tm.texi (Register Classes, Addressing Modes)
9530         (Floating Point): Fix spacing after abbreviations.  Fix some
9531         typos.
9532
9533 2007-02-01  Ben Elliston  <bje@au.ibm.com>
9534
9535         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
9536         * doc/contrib.texi: Likewise.
9537         * doc/install.texi: Likewise.
9538
9539 2007-01-31  Richard Henderson  <rth@redhat.com>
9540             Ian Lance Taylor  <iant@google.com>
9541
9542         * lower-subreg.c: New file.
9543         * rtl.def (CONCATN): Define.
9544         * passes.c (init_optimization_passes): Add pass_lower_subreg and
9545         pass_lower_subreg2.
9546         * emit-rtl.c (update_reg_offset): New static function, broken out
9547         of gen_rtx_REG_offset.
9548         (gen_rtx_REG_offset): Call update_reg_offset.
9549         (gen_reg_rtx_offset): New function.
9550         * regclass.c: Revert patch of 2006-03-05, restoring
9551         reg_scan_update.
9552         (clear_reg_info_regno): New function.
9553         * dwarf2out.c (concatn_loc_descriptor): New static function.
9554         (loc_descriptor): Handle CONCATN.
9555         * common.opt (fsplit_wide_types): New option.
9556         * opts.c (decode_options): Set flag_split_wide_types when
9557         optimizing.
9558         * timevar.def (TV_LOWER_SUBREG): Define.
9559         * rtl.h (gen_reg_rtx_offset): Declare.
9560         (reg_scan_update): Declare.
9561         * regs.h (clear_reg_info_regno): Declare.
9562         * tree-pass.h (pass_lower_subreg): Declare.
9563         (pass_lower_subreg2): Declare.
9564         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
9565         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
9566         -fsplit-wide-types.
9567         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
9568         * Makefile.in (OBJS-common): Add lower-subreg.o.
9569         (lower-subreg.o): New target.
9570
9571 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9572
9573         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
9574
9575 2007-01-31  Anatoly Sokolov <aesok@post.ru>
9576
9577         PR target/19087
9578         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
9579
9580 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9581
9582         PR middle-end/29335
9583         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
9584
9585 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
9586
9587         * cfgloop.h: Include vec-prim.h.
9588         (enum li_flags): Remove LI_ONLY_OLD.
9589         (loop_iterator): Changed.
9590         (fel_next, fel_init): Iterate over loop tree.
9591         (FOR_EACH_LOOP_BREAK): New macro.
9592         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
9593         FOR_EACH_LOOP.
9594         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
9595         * modulo-sched.c (sms_schedule): Ditto.
9596         * tree-vectorizer.c (vectorize_loops): Ditto.
9597         * doc/loop.texi: Update information on loop numbering and behavior of
9598         FOR_EACH_LOOP wrto new loops.
9599         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9600         add_to_evolution_1): Test nestedness of loops instead of comparing
9601         their numbers.
9602         * tree-chrec.c (chrec_fold_plus_poly_poly,
9603         chrec_fold_multiply_poly_poly, chrec_evaluate,
9604         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
9605         reset_evolution_in_loop): Ditto.
9606         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
9607
9608 2007-01-31  Dirk Mueller  <dmueller@suse.de>
9609
9610         * c-common.c (warn_about_parentheses): Separate warning about
9611         un-parenthized sequence of comparison operators from the one
9612         which is supposed to warn about x <= y <= z.
9613
9614 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
9615
9616         * optabs.h (enum optab_index): Add new OTI_isinf.
9617         (isinf_optab): Define corresponding macro.
9618         * optabs.c (init_optabs): Initialize isinf_optab.
9619         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
9620         patterns.
9621         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
9622         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
9623         using isinf_optab.
9624         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
9625         expand_builtin_interclass_mathfn.
9626         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
9627         * config/i386/i386.md (UNSPEC_FXAM): New constant.
9628         (fxam<mode>2_i387): New insn pattern.
9629         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
9630         built-in functions as x87 inline asm.
9631
9632 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9633
9634         * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
9635
9636 2007-01-30  Eric Christopher  <echristo@apple.com>
9637
9638         * config.gcc: Add geode.
9639
9640 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9641
9642         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
9643         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
9644         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
9645         value-prof.c: Fix comment typos.
9646
9647 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9648
9649         PR c++/24745
9650         * doc/invoke.texi (Wpointer-arith): Document warning.
9651
9652 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
9653
9654         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
9655         the list of discrepancies from the draft TR.
9656
9657 2007-01-30  Dirk Mueller  <dmueller@suse.de>
9658
9659         PR c++/30601
9660         * doc/invoke.texi (-Wreturn-type): Update description to
9661         match new behavior.
9662
9663 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
9664
9665         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
9666
9667 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
9668
9669         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
9670         to handle optabs that operate on floating point input argument and
9671         output to integer output.
9672         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
9673         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
9674         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
9675         expand_builtin_interclass_mathfn ().
9676         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
9677         (ilogbsi2): Remove.
9678         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
9679         ilogbl built-in functions as x87 intrinsics.
9680
9681 2007-01-30  Richard Guenther  <rguenther@suse.de>
9682
9683         PR middle-end/27657
9684         * dwarf2out.c (reference_to_unused): Query varpool if the
9685         variable was output.
9686
9687 2007-01-30  Richard Guenther  <rguenther@suse.de>
9688
9689         PR middle-end/30313
9690         * passes.c (execute_one_pass): Reset in_gimple_form to not
9691         confuse non-unit-at-a-time mode.
9692
9693 2007-01-29  Roger Sayle  <roger@eyesopen.com>
9694             Richard Guenther  <rguenther@suse.de>
9695
9696         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
9697         avoid undefined behaviour on overflow.  Use force_fit_type_double
9698         to construct the constant with the specified TREE_OVERFLOW.
9699
9700 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
9701
9702         * config/dfp-bit.c: Add parameterized support for fp exceptions.
9703         * config/dfp-bit.h: Ditto.
9704
9705 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9706
9707         * c-decl.c (pop_scope): Replace warnings with call to
9708         warn_for_unused_label.
9709         * c-common.h (warn_for_unused_label): Declare.
9710         * c-common.c (warn_for_unused_label): Define.
9711
9712 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9713
9714         * tree-optimize.c (update_inlined_to_pointers): Delete unused
9715         function.
9716
9717 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
9718
9719         * Makefile.in (USER_H): Remove decfloat.h.
9720         * ginclude/decfloat.h: Delete, moving contents to ...
9721         * ginclude/float.h: Add support for decimal floating point,
9722         guarded by __STDC_WANT_DEC_FP__.
9723
9724 2007-01-29  Mike Stump  <mrs@apple.com>
9725
9726         * doc/gccint.texi (Top): Rename Loop Representation to Loop
9727         Analysis and Representation to resolve case insensitive conflict.
9728         * doc/loop.texi (Loop Analysis and Representation): Likewise.
9729
9730 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
9731
9732         * tree.h (struct tree_memory_tag): Add aliases member.
9733         (MTAG_ALIASES): New macro.
9734         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
9735         (add_may_alias): Remove pointer-set. Update for may_aliases being
9736         a bitmap.
9737         (mark_aliases_call_clobbered): Update for may_aliases being a
9738         bitmap.
9739         (compute_tag_properties): Ditto.
9740         (create_partition_for): Ditto.
9741         (compute_memory_partitions): Ditto.
9742         (dump_may_aliases_for): Ditto.
9743         (is_aliased_with): Ditto.
9744         (add_may_alias_for_new_tag): Ditto.
9745         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
9746         (compute_is_aliased): New function.
9747         (compute_may_aliases): Call compute_is_aliased).
9748         (init_alias_info): Initialize alias_bitmap_obstack.
9749         (union_alias_set_into): New function.
9750         (compute_flow_sensitive_aliasing): Use union_aliases_into.
9751         (have_common_aliases_p): Rewrite to take two bitmaps and use
9752         intersection.
9753         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
9754         Update for bitmaps.
9755         (finalize_ref_all_pointers): Update for add_may_alias changes.
9756         (new_type_alias): Ditto.
9757         * tree-flow-inline.h (may_aliases): Return a bitmap.
9758         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
9759         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
9760         may_aliases being a bitmap.
9761         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
9762         may_aliases now returns a bitmap.
9763         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
9764         being a bitmap.
9765         * tree-ssa-operands.c (add_virtual_operand): Update for
9766         may_aliases being a bitmap.
9767
9768 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
9769
9770         PR tree-optimization/30630
9771         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
9772         variable as changed.
9773
9774 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
9775
9776         PR c++/28266
9777         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
9778         expanded only once even if an error occurs.
9779
9780 2007-01-29  Ben Elliston  <bje@au.ibm.com>
9781
9782         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
9783         (__gcov_average_profiler): Likewise.
9784         (__gcov_ior_profiler): Likewise.
9785         (__gcov_merge_ior): Likewise.
9786
9787 2007-01-28  Jan Hubicka  <jh@suse.cz>
9788
9789         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
9790         * value-prof.c (stringop_block_profile): Likewise.
9791
9792 2007-01-28  Jan Hubicka  <jh@suse.cz>
9793
9794         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
9795         variant handling histograms; add wrapper.
9796         (clear_storage_via_libcall): Export.
9797         (emit_block_move_hints): Break out from ...; add histograms.
9798         (emit_block_move): ... this one.
9799         (clear_storage_hints): Break out from ...; add histograms.
9800         (clear_storage): ... this one.
9801         (set_storage_via_memset): Handle histogram.
9802         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
9803         (clear_storage_hints, clear_storage_via_libcall): Declare.
9804         (set_storage_via_setmem): Update prototype.
9805         * doc/md.texi (movmem, setmem): Document new arguments.
9806
9807         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
9808         new histograms.
9809         (stringop_block_profile): New global function.
9810         (tree_stringops_values_to_profile): Profile block size and alignment.
9811         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
9812         HIST_TYPE_IOR.
9813         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
9814         (stringop_block_profile): Declare.
9815         * builtins.c: Include value-prof.h.
9816         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
9817         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
9818         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
9819         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
9820         * profile.c (instrument_values): Add new counters.
9821         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
9822         calls.
9823         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
9824         (tree_init_edge_profiler): Build new profilers.
9825         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
9826         (pass_tree_profile): Add dump.
9827         (tree_profile_hooks): Update.
9828         * Makefile.in (LIBGCOV): Add new constants.
9829         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
9830         __gcov_ior_profiler): New.
9831         * i386.md (movmem/setmem expanders): Add new optional arguments.
9832
9833 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
9834
9835         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
9836
9837 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
9838
9839         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
9840         (tree_unswitch_single_loop): Pass eni_size_weights to
9841         tree_num_loop_insns.
9842         * tree-ssa-loop-manip.c: Include tree-inline.h.
9843         (can_unroll_loop_p): Pass eni_size_weights to
9844         tree_num_loop_insns.
9845         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
9846         Pass eni_size_weights to estimate_num_insns.
9847         * tree.h (init_inline_once): Export.
9848         * toplev.c (backend_init): Call init_inline_once.
9849         * cgraphunit.c (cgraph_process_new_functions,
9850         cgraph_analyze_function): Pass eni_inlining_weights to
9851         estimate_num_insns.
9852         * ipa-inline.c (compute_inline_parameters): Ditto.
9853         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
9854         to estimate_num_insns.
9855         (try_unroll_loop_completely): Pass eni_size_weights to
9856         tree_num_loop_insns.
9857         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
9858         ot estimate_num_insns.
9859         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
9860         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
9861         * tree-inline.c (eni_inlining_weights, eni_size_weights,
9862         eni_time_weights): New variables.
9863         (init_inline_once): Initialize them.
9864         (struct eni_data): Mew.
9865         (estimate_num_insns_1, estimate_num_insns): Use weights.
9866         * tree-inline.h (struct eni_weights_d): New.
9867         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
9868         (estimate_num_insns): Declaration changed.
9869         * cfgloop.h (tree_num_loop_insns): Declaration changed.
9870         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
9871         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
9872
9873 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
9874
9875         * tree-data-ref.c (conflict_fn): Assert that the number of affine
9876         relations in the conflict function is valid.
9877
9878 2007-01-27  Ian Lance Taylor  <iant@google.com>
9879
9880         * common.opt: Add fstrict-overflow.
9881         * opts.c (decode_options): Set flag_strict_overflow if -O2.
9882         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
9883         (TYPE_OVERFLOW_UNDEFINED): Define.
9884         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
9885         Replace all uses.
9886         * tree.h (TYPE_TRAP_SIGNED): Don't define.
9887         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
9888         (fold_negate_expr): Likewise.
9889         (make_range): Likewise.
9890         (extract_muldiv_1): Likewise.
9891         (maybe_canonicalize_comparison): Likewise.
9892         (fold_comparison): Likewise.
9893         (fold_binary): Likewise.
9894         (tree_expr_nonnegative_p): Likewise.
9895         (tree_expr_nonzero_p): Likewise.
9896         * tree-vrp.c (compare_values): Likewise.
9897         (extract_range_from_binary_expr): Likewise.
9898         (extract_range_from_unary_expr): Likewise.
9899         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
9900         Likewise.
9901         (nowrap_type_p): Likewise.
9902         * tree-scalar-evolution.c (simple_iv): Likewise.
9903         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
9904         (build_range_check): Likewise.
9905         (extract_muldiv_1): Likewise.
9906         (fold_comparison): Likewise.
9907         * tree-vrp.c (vrp_int_const_binop): Likewise.
9908         (extract_range_from_unary_expr): Likewise.
9909         * convert.c (convert_to_integer): Likewise.
9910         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
9911         (fold_comparison): Likewise.
9912         (fold_binary): Likewise.
9913         * optabs.c (optab_for_tree_code): Likewise.
9914         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
9915         * simplify-rtx.c (simplify_const_relational_operation): Check
9916         flag_strict_overflow and flag_trapv.
9917         (simplify_const_relational_operation): Likewise.
9918         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
9919         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
9920         -fstrict-overflow.
9921
9922 2007-01-27  Roger Sayle  <roger@eyesopen.com>
9923
9924         * tree.c (tree_fold_gcd): Delete.
9925         * tree.h (tree_fold_gcd): Remove prototype.
9926         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
9927         test whether one constant integer is a multiple of another.  Instead
9928         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
9929         * fold-const.c (multiple_of_p):  We've determined both TOP and
9930         BOTTOM are integer constants so we can call int_const_binop directly
9931         instead of the more generic const_binop.
9932
9933 2007-01-27  Roger Sayle  <roger@eyesopen.com>
9934
9935         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
9936         1*X check that the constant hasn't overflowed, to preserve the
9937         TREE_OVERFLOW bit.
9938         (round_up): Provide an efficient implementation when rouding-up an
9939         INTEGER_CST to a power-of-two.
9940
9941 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9942
9943         * doc/sourcebuild.texi: Add comma for clarity.
9944         * doc/extend.texi: Fix some typos.
9945         * doc/passes.texi: Likewise.
9946         * doc/cppinternals.texi: Likewise.
9947         * doc/c-tree.texi: Likewise.
9948         * doc/tree-ssa.texi: Likewise.
9949         * doc/install.texi: Likewise.
9950
9951 2007-01-27  Jan Hubicka  <jh@suse.cz>
9952
9953         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
9954         (pass_sra): Do not require alias information.
9955         * passes.c (init_optimization_passes): Add SRA
9956
9957 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
9958
9959         * tracer.c (rest_of_handle_tracer): We already cleaned
9960         up the CFG in tracer() so don't do it here again.
9961         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
9962         cleanup_cfg here, either.  And don't call renumber_insns.
9963
9964         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
9965         and BB_HEAD are in the insn stream here.  Instead make sure
9966         that BB_INSN is valid on all insns.  Also, do check here that
9967         there are no pending branch predictions...
9968         (rtl_verify_flow_info): ...instead of doing it here.  Checks
9969         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
9970         here.
9971
9972 2007-01-26  Roger Sayle  <roger@eyesopen.com>
9973
9974         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
9975         function to simplify/factorize operand order canonicalization.
9976         (ix86_fixup_binary_operands): Reorganize using the above function.
9977         (ix86_binary_operator_ok): Likewise.
9978
9979 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
9980
9981         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
9982         file scope from optimize_attrs.
9983         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
9984         up search.
9985         (optimize_attrs): Clear insn_code_values after freeing it.
9986
9987 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
9988
9989         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
9990         a parts.base assignment.
9991
9992 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
9993
9994         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
9995         (compute_subscript_distance, initialize_data_dependence_relation,
9996         finalize_ddr_dependent, analyze_ziv_subscript,
9997         analyze_siv_subscript_cst_affine,
9998         compute_overlap_steps_for_affine_univar,
9999         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
10000         analyze_siv_subscript, analyze_miv_subscript,
10001         analyze_overlapping_iterations, subscript_dependence_tester_1,
10002         compute_self_dependence, free_dependence_relation): Work
10003         with affine_fn instead of chrecs.
10004         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
10005         common_affine_function, affine_function_base,
10006         affine_function_constant_p, affine_fn_op, affine_fn_plus,
10007         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
10008         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
10009         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
10010         (all_chrecs_equal_p): Removed.
10011         * tree-data-ref.h (affine_fn, conflict_function): New types.
10012         (struct subscript): Change type of conflicting_iterations_in_a
10013         and conflicting_iterations_in_b.
10014
10015 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
10016
10017         PR other/30182
10018         * config/pa/pa.h (TARGET_HPUX_11): New.
10019         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
10020         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
10021
10022 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
10023         Richard Guenther  <rguenther@suse.de>
10024
10025         * tree-ssa-structalias.c (solve_graph): Handle case
10026         we merged the variable to another.
10027
10028 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10029
10030         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
10031         functions.
10032
10033         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
10034         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
10035
10036 2007-01-25  DJ Delorie  <dj@redhat.com>
10037
10038         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
10039         allow changes to modes which don't fit in those registers.
10040
10041         * reload1.c (choose_reload_regs): Check for invalid subregs before
10042         computing their locations, not after.
10043
10044 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
10045
10046         PR 25127
10047         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
10048         save Altivec registers in an eh_return function.
10049         (compute_vrsave_mask): Likewise.
10050         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
10051         for saving Altivec registers.
10052         (rs6000_emit_prologue): Don't allocate stack twice in
10053         eh_return function.  Correct expected value of altivec_save_offset
10054         when using save_world.  Describe save of R0 to stack when using
10055         save_world.  Describe stack pointer adjustment when using
10056         save_world.  Remove duplicated eh_return parameter register saving.
10057         Update sp_offset variable after save_world.
10058         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
10059         darwin-world.asm.
10060         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
10061         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
10062         implies Altivec.
10063
10064 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
10065
10066         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
10067
10068 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
10069
10070         PR other/30182
10071         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
10072         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
10073
10074 2007-01-25  Richard Guenther  <rguenther@suse.de>
10075
10076         * doc/invoke.texi (-Wcoverage-mismatch): Document.
10077         * common.opt (-Wcoverage-mismatch): New warning option.
10078         * coverage.c (get_coverage_counts): Ignore coverage mismatch
10079         if -Wcoverage-mismatch is given.
10080
10081 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
10082
10083         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
10084         (ipcp_driver): Change to static definition.
10085         Add dumping of the ifunctions.
10086         (constant_val_insert): Remove unused parameter. Support for SSA.
10087         (ipcp_propagate_const): Support for SSA.
10088         (ipcp_profile_bb_print): Print only analyzed nodes.
10089         (ipcp_replace_map_create): Remove support for Fortran constant
10090         for now.
10091         * ipa-prop.c (ipa_method_modify_stmt,
10092         ipa_callsite_compute_param): Support for SSA.
10093         * ipa-prop.h (ipcp_driver): Remove declaration.
10094         (IS_VALID_TREE_MAP_INDEX): Add define.
10095
10096 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
10097
10098         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
10099
10100 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10101
10102         PR middle-end/30447
10103         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
10104         constant argument to cabs and do it without checking for
10105         -funsafe-math-optimizations.
10106
10107 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
10108
10109         * c-common.h (RID_FIRST_CXX0X): New.
10110         (RID_LAST_CXX0X): New.
10111         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
10112         by -Wall.
10113         * c.opt (Wc++0x-compat): New.
10114         * doc/invoke.texi (-Wc++0x-compat): Document.
10115
10116 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10117
10118         * builtins.c (fold_builtin_carg): New.
10119         (fold_builtin_1): Use it.
10120
10121 2007-01-24  Jan Hubicka  <jh@suse.cz>
10122
10123         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
10124
10125         * ipa-inline.c (initial_insns, max_insns): Delete.
10126         (compute_max_insns): New function.
10127         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
10128         of insns as base for code growth.
10129         (cgraph_decide_inlining): Make initial_insns local; do not compute
10130         max_insns.
10131         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
10132         * doc/invoke.texi (inline-unit-growth): Update docs.
10133
10134 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
10135
10136         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
10137         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
10138         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
10139         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
10140         for CPUs that have PTA_CX16 set.
10141
10142         PR middle-end/27416
10143         * gimplify.c (omp_check_private): New function.
10144         (gimplify_scan_omp_clauses): Use it for
10145         firstprivate/lastprivate/reduction.
10146
10147         PR middle-end/30494
10148         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
10149         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
10150
10151         PR middle-end/30421
10152         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
10153         If lower_lastprivate_clauses emits some statements, append them
10154         to dlist rather than body_p and to body_p append an initializer.
10155         (lower_omp_for): Adjust caller.
10156
10157 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
10158
10159         * target.h (globalize_decl_name): New.
10160         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
10161         * output.h (default_globalize_decl_name): New.
10162         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
10163         globalize_label.
10164         (globalize_decl): Ditto.
10165         (default_globalize_decl_name): New.
10166         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
10167         (ia64_handle_version_id_attribute): New.
10168         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
10169         (ia64_asm_output_external): Use globalize_decl_name instead
10170         of globalize_label.
10171         * doc/extend.texi (version_id): New pragma.
10172         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
10173
10174 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
10175
10176         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
10177         _uleb128_t and _Unwind_SWord with _sleb128_t.
10178         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
10179         uw_frame_state_for, uw_update_context_1): Likewise.
10180         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
10181         * unwind-pe.h (read_uleb128, read_sleb128,
10182         read_encoded_value_with_base): Likewise.
10183         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
10184
10185 2007-01-24  Richard Guenther  <rguenther@suse.de>
10186
10187         * builtins.c (expand_builtin_cexpi): Get the fndecl
10188         for cexp in the correct way.
10189
10190 2007-01-24  Jan Hubicka  <jh@suse.cz>
10191
10192         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
10193
10194 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
10195
10196         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
10197         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
10198         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
10199         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
10200         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
10201         __SIZEOF_PTRDIFF_T__.
10202         * doc/cpp.texi: Documentation for the new builtin macros added.
10203
10204 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
10205
10206         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
10207         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
10208         instead of operands[2] to avoid access past the end of array.
10209
10210 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
10211
10212         * reload1.c (emit_reload_insns): Pass the reload register
10213         for a non-spill output reload through forget_old_reloads_1.
10214
10215 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
10216
10217         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
10218         _SOFT_DOUBLE if doubles use software floating-point.
10219         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
10220         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
10221         * config/rs6000/darwin-ldouble.c: Also compile functions for
10222         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
10223         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
10224         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
10225         commented-out long double override.
10226         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
10227         * config/rs6000/eabispe.h: Likewise.
10228         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
10229         long double for non-SPE.
10230         (rs6000_handle_option): Likewise.
10231         (invalid_e500_subreg): Disallow more subregs involding DImode,
10232         DFmode, TImode or TFmode.
10233         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
10234         E500 double.
10235         (legitimate_lo_sum_address_p): Also check for TFmode for E500
10236         double.
10237         (rs6000_legitimize_address): Also handle TFmode for E500 double.
10238         (rs6000_legitimize_reload_address): Also handle TFmode for E500
10239         double.
10240         (rs6000_legitimate_address): Also check for TFmode for E500
10241         double.
10242         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
10243         (spe_build_register_parallel): Handle TFmode and TCmode.
10244         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
10245         double.
10246         (function_arg): Handle TFmode and TCmode for E500 double.
10247         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
10248         in general.
10249         (print_operand): Handle TFmode and TImode for %y.
10250         (rs6000_generate_compare): Handle TFmode comparisons for E500
10251         double.
10252         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
10253         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
10254         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
10255         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
10256         TFmode for E500 double.
10257         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
10258         (floatsidf2): Enable for E500 double.
10259         (movtf_softfloat): Use rs6000_nonimmediate_operand.
10260         (extenddftf2): Change to extenddftf2_fprs.
10261         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
10262         depending on TARGET_E500_DOUBLE.
10263         (extendsftf2): Enable for E500 double.
10264         (trunctfdf2): Enable for E500 double.
10265         (trunctfsf2): Change to trunctfsf2_fprs.
10266         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
10267         depending on TARGET_E500_DOUBLE.
10268         (floatsitf2): Enable for E500 double.
10269         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
10270         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
10271         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
10272         (negtf2): Change to negtf2_internal.
10273         (negtf2): New expander.
10274         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
10275         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
10276         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
10277         (movdi_internal32): Use rs6000_nonimmediate_operand.
10278         (unnamed splitter): Likewise.
10279         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
10280         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
10281         (SPE64TF, DITI): New mode macros.
10282         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
10283         modes.
10284         (frob_tf_ti): New.
10285         (frob_<mode>_di_2): New.
10286         (frob_tf_di_8_2): New.
10287         (frob_di_df): Change to frob_di_<mode>; allow more modes.
10288         (frob_ti_tf): New.
10289         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
10290         more modes.
10291         (frob_ti_<mode>_8_2): New.
10292         (frob_ti_tf_2): New.
10293         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
10294         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
10295         TFmode.
10296         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
10297         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
10298         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
10299         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
10300         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
10301         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
10302         tsttflt_gp): New.
10303
10304 2007-01-23  Ian Lance Taylor  <iant@google.com>
10305
10306         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
10307         insn-*.o first.
10308         (OBJS-archive): Reformat, alphabetize.
10309         (OBJS): Change out_object_file to OBJS-md.
10310
10311 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
10312
10313         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
10314         JUMP_P and CALL_P predicates where applicable.
10315         * config/i386/i386.c: Ditto.
10316         * config/i386/i386.md: Ditto.
10317         * config/i386/mmx.md: Ditto.
10318         * config/i386/predicates.md: Ditto.
10319
10320 2007-01-22  Andreas Schwab  <schwab@suse.de>
10321
10322         * config/m68k/m68k.h: Fix comment.
10323
10324 2007-01-22  Jan Hubicka  <jh@suse.cz>
10325
10326         * passes.c (init_optimization_passes): Do not rerun
10327         pass_early_warn_uninitialized.
10328
10329 2007-01-22  Richard Guenther  <rguenther@suse.de>
10330
10331         PR tree-optimization/30038
10332         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
10333         function.
10334         (execute_cse_sincos_1): Likewise.
10335         (execute_cse_sincos): Likewise.
10336         (gate_cse_sincos): Likewise.
10337         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
10338         the cexpi() canonicalization of sincos().
10339         * tree-pass.h (pass_cse_sincos): Declare.
10340         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
10341
10342 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
10343
10344         PR rtl-optimization/29329
10345         * combine.c (replaced_rhs_insn): Rename to i2mod.
10346         (replaced_rhs_value): Rename to i2mod_new_rhs.
10347         (i2mod_old_rhs): New global variable.
10348         (combine_instructions): Adjust for above change.  Save a copy of
10349         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
10350         note are substituted in the second instruction.
10351         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
10352         ditch the note if it pertains to the second eliminated register
10353         and this register is mentioned in i2mod_old_rhs.
10354
10355         Revert:
10356         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
10357
10358         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
10359         the insn to which the note was originally attached.
10360
10361 2007-01-21  Jan Hubicka  <jh@suse.cz>
10362
10363         * ipa-inline.c (inlining_mode): Comment, move up.
10364         (cgraph_decide_inlining_incrementally): Do not perform inlining
10365         itself; fix handling of flattening of self recursive functions.
10366         (cgraph_find_cycles): Remove.
10367         (cgraph_flatten_node): Remove.
10368         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
10369         (try_inline): New function.
10370         (cgraph_early_inlining): Update call of
10371         cgraph_decide_inlining_incrementally.  Apply inlining here.
10372         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
10373
10374 2007-01-21  Dirk Mueller  <dmueller@suse.de>
10375
10376         PR bootstrap/30511
10377         * tree-vrp.c (check_array_bounds): do not warn
10378         about ADDR_EXPR's of ARRAY_REF's which are immediately
10379         used in binary expressions.
10380
10381 2007-01-21  Ira Rosen  <irar@il.ibm.com>
10382
10383         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
10384         read_write_dep and macros for its access.
10385         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
10386         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
10387         argument, call vect_check_interleaving for every independent pair of
10388         data-refs. Mark loads that access the same memory location as a store
10389         in the loop.
10390         (vect_check_dependences): Remove.
10391         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
10392         call, fix the call to vect_analyze_data_ref_dependence.
10393         (vect_analyze_data_ref_access): For statements that access the same
10394         data-ref, check that they are not stores; for loads, check that there
10395         is no store that access the same location.
10396
10397 2007-01-20  Roger Sayle  <roger@eyesopen.com>
10398             Joseph Myers  <joseph@codesourcery.com>
10399
10400         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
10401         (-fdump-rtl-stack): Likewise.
10402         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
10403         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
10404         (-mpt-fixed): Use @minus{} for minus sign.
10405         (Using Precompiled Headers): Fix under/overfull hbox.
10406
10407 2007-01-20  Jan Hubicka  <jh@suse.cz>
10408
10409         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
10410         place within annotation.
10411
10412 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10413
10414         * pa.c (output_move_double): Change array size of xoperands to 4.
10415
10416 2007-01-20  Jan Hubicka  <jh@suse.cz>
10417
10418         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
10419         as temporary.
10420
10421 2007-01-19  Ian Lance Taylor  <iant@google.com>
10422
10423         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
10424         constant to unsigned HOST_WIDE_INT before negating.
10425
10426 2007-01-19  Ian Lance Taylor  <iant@google.com>
10427
10428         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
10429         to unsigned.
10430         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
10431         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
10432         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
10433         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
10434         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
10435         (realloc_vdef, realloc_vuse): Change second parameter to
10436         unsigned.
10437         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
10438         fields to unsigned.
10439         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
10440         unsigned. Change x and lim locals to unsigned.
10441         (realloc_vdef, realloc_vuse): Change num_elem parameter to
10442         unsigned.
10443         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
10444         (copy_virtual_operands): Change i and n locals to unsigned.
10445
10446 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10447
10448         PR middle-end/29335
10449         * builtins.c (fold_builtin_1): Handle builtin fdim.
10450
10451 2007-01-20  Jan Hubicka  <jh@suse.cz>
10452
10453         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
10454         * tree-ssa-structalias.c (compute_points_to_sets): Do call
10455         init_alias_heapvars.
10456         (init_alias_heapvars): Initialize only when not already initialized.
10457         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
10458
10459 2007-01-19  Roger Sayle  <roger@eyesopen.com>
10460
10461         * common.opt (fsigned-zeros): New command line option.
10462         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
10463         of flag_unsafe_math_optimizations.
10464         * opts.c (set_fast_math_flags): The -ffast-math command line option
10465         implies -fno-signed-zeros.
10466         (fast_math_flags_set_p): Likewise.
10467
10468         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
10469         the documentation of -ffast-math appropriately.  Wrap long lines.
10470
10471 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
10472
10473         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
10474         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
10475
10476 2007-01-19  Tomas Bily  <tbily@suse.cz>
10477
10478         * cgraphunit.c (cgraph_finalize_function): Updating of pid
10479         * tree-profile.c:
10480         (tree_init_ic_make_global_vars): New function
10481         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
10482         (tree_gen_ic_profiler): New function
10483         (tree_gen_ic_func_profiler): New function
10484         (tree_profiling): Added calling of tree_gen_ic_func_profiler
10485         (tree_profile_hooks): Added hook for indirec/virtual calls
10486         * value-prof.c (tree_find_values_to_profile): New case for
10487         indirect calls
10488         (tree_values_to_profile): Call for determining indirect/virtual
10489         counters
10490         (tree_indirect_call_to_profile): New function
10491         (tree_ic_transform): New function
10492         (tree_ic): New function
10493         (find_func_by_pid): New function
10494         (init_pid_map): New function
10495         (tree_value_profile_transformations): Added check for
10496         indirect/virtual call transformation
10497         * value-prof.h (enum hist_type): New counter type for
10498         indirect/virtual calls
10499         (profile_hooks): Added new hook for profiling indirect/virtual
10500         calls
10501         * profile.c (instrument_values): New case for indirect/virtual
10502         call added
10503         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
10504         (GCOV_COUNTER_V_INDIR): New counter type
10505         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
10506         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
10507         call added
10508         * cgraph.c: Definition of cgraph_max_pid
10509         (cgraph_create_node): Default init of pid attribute
10510         * cgraph.h: Declaration of cgraph_max_pid
10511         (struct cgraph_node): Added pid attribute
10512         * libgcov.c (__gcov_indirect_call_profiler): New function
10513         (__gcov_one_value_profiler_body): New function
10514         (__gcov_one_value_profiler): Body was moved to
10515         __gcov_one_value_profiler_body and calls it
10516
10517 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
10518
10519         * doc/gty.texi (Options): Document the mark_hook option to GTY.
10520         * gengtype.c (write_types_data, write_func_for_structure,
10521         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
10522         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
10523         (walk_type, write_func_for_structure): Generate the mark_hook if
10524         needed.
10525
10526 2007-01-19  Jan Hubicka  <jh@suse.cz>
10527
10528         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
10529         'early' argument take inlining mode argument specifying whether to
10530         inline for size/speeed or all functions; add support for flattening;
10531         improve dumpting.
10532         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
10533
10534 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10535
10536         PR c++/17947
10537         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
10538         the name of the declared identifier.
10539
10540 2007-01-19  Dirk Mueller  <dmueller@suse.de>
10541
10542         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
10543         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
10544         duplicate evaluation.
10545
10546 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
10547
10548         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
10549         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
10550         to XFMode, use acosxf2 and truncate result to requested mode.
10551         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
10552         (asin<mode>2): Similarly, with asin expanders.
10553         (*fscalexf4_i387): Rename from *fscalexf4.
10554         (expNcorexf3): New expander.
10555         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
10556         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
10557         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
10558         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
10559         patterns for SSE math.
10560         (exp10<mode>2): Similarly, with exp10 expanders.
10561         (exp2<mode>2): Similarly, with exp2 expanders.
10562         (expm1<mode>2): Similarly, with expm1 expanders.
10563         (ldexp<mode>3): Similarly, with ldexp expanders.
10564         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
10565         Use gen_truncxf<mode>2_i387_noop to truncate result.
10566
10567 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10568
10569         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
10570         for ColdFire targets.
10571
10572 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
10573             Richard Sandiford  <richard@codesourcery.com>
10574
10575         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
10576         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
10577         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
10578         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
10579         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
10580         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
10581
10582 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10583
10584         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
10585         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
10586         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
10587         (*adddi_dilshr32_cf): New pattern.
10588         (adddi3, subdi3): Remove first alternatives.
10589
10590 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10591
10592         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
10593         implemented using move.l, do not use its cc result for floating-point
10594         comparisons.
10595
10596 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10597
10598         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
10599         from accepting 's' constraints if flag_pic.
10600
10601 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10602
10603         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
10604         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
10605         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
10606         condition from TARGET_68881 to TARGET_HARD_FLOAT.
10607
10608 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
10609
10610         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
10611         ColdFire alternatives.
10612         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
10613         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
10614         architectures that support ff1 instruction.
10615
10616 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10617             Julian Brown  <julian@codesourcery.com>
10618
10619         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
10620         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
10621         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
10622         Add commentary.
10623
10624 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10625
10626         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
10627         and return a bool.
10628         (output_move_const_into_data_reg, output_move_simode_const): Delete.
10629         * config/m68k/m68k.c (const_method, const_int_cost): Take a
10630         HOST_WIDE_INT instead of an rtx.
10631         (m68k_rtx_costs): Update call accordingly.
10632         (output_move_const_into_data_reg): Likewise.  Fix formatting.
10633         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
10634         Return a bool.
10635         (output_move_simode_const): Update calls after above changes.
10636         Rework to use automatic variables and predicates like MEM_P.
10637         * config/m68k/m68k.md (pushexthisi_const): Update call to
10638         valid_mov3q_const.
10639
10640 2007-01-19  Dirk Mueller  <dmueller@suse.de>
10641
10642         * tree-ssa-alias.c (perform_var_substitution): Fix typo
10643         in dump_flags test.
10644
10645 2007-01-19  Richard Guenther  <rguenther@suse.de>
10646
10647         * builtins.c (expand_builtin_cexpi): Fall back to expanding
10648         via cexp in case sincos is not available.
10649
10650 2007-01-19  Richard Guenther  <rguenther@suse.de>
10651
10652         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
10653         * defaults.h (TARGET_HAS_SINCOS): Default to off.
10654         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
10655         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
10656         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
10657         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
10658         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
10659         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
10660
10661 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
10662
10663         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
10664         New insn patterns.
10665         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
10666         (atan2xf3): Directly generate RTL pattern.
10667         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
10668         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
10669         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10670         disable patterns for SSE math.
10671         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
10672         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
10673         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10674         disable patterns for SSE math.
10675
10676 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
10677
10678         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
10679
10680 2007-01-18  Roger Sayle  <roger@eyesopen.com>
10681
10682         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
10683         VIEW_CONVERT_EXPR to the same type as it's operand.
10684
10685 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
10686
10687         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
10688         configured for long double 128.
10689
10690 2007-01-18  Mike Stump  <mrs@apple.com>
10691
10692         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
10693         error.
10694
10695 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
10696
10697         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
10698         type correct.
10699
10700 2007-01-18  Jan Hubicka  <jh@suse.cz>
10701
10702         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
10703         greater than NUM_VOP_FREE_BUCKETS.
10704
10705 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
10706
10707         * tree-ssa-structalias.c: Update comments.
10708         (ptabitmap_obstack): Removed.
10709         (pta_obstack): New.
10710         (oldpta_obstack): Ditto.
10711         (stats): Add a few members.
10712         (struct variable_info): Remove node, complex, address_taken, and
10713         indirect_target members. Add oldsolution member.
10714         (new_var_info): Do not initialize removed members.
10715         (constraint_expr_type): Remove INCLUDES.
10716         (constraint_graph): Add size, implicit_preds, rep,
10717         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
10718         (FIRST_REF_NODE): New macro.
10719         (LAST_REF_NODE): Ditto.
10720         (FIRST_ADDR_NODE): Ditto.
10721         (find): New function.
10722         (unite): Ditto.
10723         (dump_constraint): Do not handle INCLUDES.
10724         (insert_into_complex): Do not insert duplicate constraints.
10725         (condense_varmap_nodes): Renamed and rewritten into ...
10726         (merge_node_constraints): This. Also fix bug in handling of
10727         offseted copy constraints.
10728         (clear_edges_for_node): No longer need to deal with preds at all,
10729         or removing associated preds/succs.
10730         (merge_graph_nodes): Deal with indirect_cycles.
10731         Don't deal with predecessors.
10732         (add_implicit_graph_edge): New function.
10733         (add_pred_graph_edge): Ditto.
10734         (add_graph_edge): Don't deal with predecessors.
10735         (build_constraint_graph): Removed.
10736         (build_pred_graph): New function.
10737         (build_succ_graph): Ditto.
10738         (struct scc_info): Removed in_component. Added roots, dfs, and
10739         node_mapping. Remove visited_index, unification_queue.
10740         (scc_visit): Deal with union-find we do now.
10741         Deal with cycles with REF nodes.
10742         (collapse_nodes): Renamed and rewritten to ...
10743         (unify_nodes): This.
10744         (process_unification_queue): Removed.
10745         (topo_visit): Cleanup
10746         (do_da_constraint): Use find.
10747         (do_sd_constraint): Ditto.
10748         (do_ds_constraint): Ditto.
10749         (do_complex_constraint): Ditto.
10750         (init_scc_info): Update for removed and added members.
10751         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
10752         (find_indirect_cycles): This.
10753         (equivalence_class): New variable.
10754         (label_visit): New function.
10755         (perform_variable_substitution): Rewritten.
10756         (free_var_substitution_info): New function.
10757         (find_equivalent_node): Ditto.
10758         (move_complex_constraints): Ditto.
10759         (eliminate_indirect_cycles): Ditto.
10760         (solve_graph): Only propagate changed bits.
10761         Use indirect cycle elimination.
10762         Use find.
10763         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
10764         (tree_id_eq): Renamed to ...
10765         (tree_vi_eq): This. Update for member change
10766         (insert_id_for_tree): Renamed and rewritten to ...
10767         (insert_vi_for_tree): This.
10768         (lookup_id_for_tree): Renamed and rewritten to ...
10769         (lookup_vi_for_tree): This.
10770         (get_id_for_tree): Renamed and rewritten to ...
10771         (get_vi_for_tree): Ditto.
10772         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
10773         (process_constraint): Don't handle INCLUDES.
10774         Remove special ADDRESSOF case.
10775         (find_func_aliases): Rewrite to use vi functions instead of id
10776         ones.
10777         (create_function_info_for): Ditto.
10778         (create_variable_info_for): Ditto.
10779         (intra_create_variable_infos): Ditto.
10780         (merge_smts_into): Ditto.
10781         (find_what_p_points_to): Ditto.
10782         (init_base_vars): Ditto.
10783         (init_alias_vars): Ditto.
10784         (remove_preds_and_fake_succs): New function.
10785         (dump_sa_points_to_info): Dump new stats.
10786         (dump_solution_for_var): Use find.
10787         (set_used_smts): Fix formatting.
10788         (compute_points_to_sets): Updated for new functions.
10789         (ipa_pta_execute): Ditto.
10790
10791 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10792             Richard Sandiford  <richard@codesourcery.com>
10793
10794         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
10795         parallels.
10796         * calls.c (expand_call): If the return value is a PARALLEL,
10797         extract its first member.
10798         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
10799         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
10800         use FUNCTION_EXTRA_EPILOGUE.
10801         (m68k_function_value): Return a PARALLEL if the return value
10802         is of a pointer type.
10803         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
10804         (FUNCTION_EXTRA_EPILOGUE): Remove.
10805         * config/m68k/m68k.md (D0_REG): New constant.
10806
10807 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10808
10809         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
10810         output a NOP for empty epilogues.
10811
10812 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10813
10814         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
10815         before function.  Extend register save check to include all
10816         registers, not just integer ones.
10817
10818 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10819
10820         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
10821         (m68k_use_return_insn): ...this.
10822         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
10823         * config/m68k/m68k.c (use_return_insn): Rename to...
10824         (m68k_use_return_insn): ...this.
10825         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
10826         of USE_RETURN_INSN.
10827
10828 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10829
10830         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
10831         nearest even, fix denormal rounding overflow.
10832
10833 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10834
10835         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
10836         f%$smove and f%$move.
10837         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
10838         (extendsfdf2_cf): Use fdmove instead of f%&move.
10839         (truncdfsf2_cf): Use fsmove instead of f%$smove.
10840         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
10841
10842 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10843
10844         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
10845         GPR<-GPR moves.
10846
10847 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10848
10849         * real.h (real_format): Add a canonical_nan_lsbs_set field.
10850         (coldfire_single_format): Declare.
10851         (coldfire_double_format): Likewise.
10852         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
10853         of qnan_msb_set to determine the lower bits of a canonical
10854         NaN significand.
10855         (encode_ieee_double): Likewise.
10856         (encode_ieee_quad): Likewise.
10857         (ieee_single_format): Initialize canonical_nan_lsbs_set.
10858         (mips_single_format): Likewise.
10859         (ieee_double_format): Likewise.
10860         (mips_double_format): Likewise.
10861         (ieee_extended_motorola_format): Likewise.
10862         (ieee_extended_intel_96_format): Likewise.
10863         (ieee_extended_intel_128_format): Likewise.
10864         (ieee_extended_intel_96_round_53_format): Likewise.
10865         (ibm_extended_format): Likewise.
10866         (mips_extended_format): Likewise.
10867         (ieee_quad_format): Likewise.
10868         (mips_quad_format): Likewise.
10869         (vax_f_format): Likewise.
10870         (vax_d_format): Likewise.
10871         (vax_g_format): Likewise.
10872         (i370_single_format): Likewise.
10873         (i370_double_format): Likewise.
10874         (decimal_single_format): Likewise.
10875         (decimal_double_format): Likewise.
10876         (decimal_quad_format): Likewise.
10877         (c4x_single_format): Likewise.
10878         (c4x_extended_format): Likewise.
10879         (real_internal_format): Likewise.
10880         (coldfire_single_format): New real_format.
10881         (coldfire_double_format): Likewise.
10882         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
10883         canonical_nan_lsbs_set.
10884         (pdp11_d_format): Likewise.
10885         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
10886         if TARGET_COLDFIRE_CPU.
10887
10888 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10889
10890         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
10891         (output_call, m68k_legitimize_call_address): Declare.
10892         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
10893         parenthesees.  Add support for a 'W' constraint.
10894         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
10895         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
10896         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
10897         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
10898         variables.
10899         (override_options): Initialize them.  Do not set flag_no_function_cse
10900         for TARGET_ID_SHARED_LIBRARY.
10901         (m68k_output_pic_call): Delete.
10902         (m68k_legitimize_call_address): New function.
10903         (print_operand): Remove the %o prefix.  Handle the %p prefix.
10904         (output_call): New function.
10905         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
10906         target address from the GOT if symbolic jumps are not allowed.
10907         * config/m68k/m68k.md (call, general_operand): Do not set
10908         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
10909         Merge separate flag_pic and !flag_pic define_insns into...
10910         (*call, *call_value): ...these new patterns.  Match the address
10911         rather than the containing MEM and require it to be a call_operand.
10912         Use output_call to generate the asm template.
10913         * config/m68k/predicates.md (const_call_operand): New predicate.
10914         (call_operand): Likewise.
10915
10916 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10917
10918         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
10919         (STACK_GROWS_DOWNWARD): Define to 1.
10920         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
10921         comments, emphasizing that these values are only defaults.
10922         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
10923         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
10924
10925 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10926
10927         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
10928
10929 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10930             Richard Sandiford  <richard@codesourcery.com>
10931
10932         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
10933         (FP_REGNO_P): New macros.
10934         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
10935         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
10936         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
10937         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
10938
10939 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10940
10941         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10942         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
10943         to $tmake_file.
10944         * config/m68k/t-floatlib: New file, extracting common code from...
10945         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
10946         * config/m68k/t-uclinux: Here.
10947         * config/m68k/fpgnulib.c: Do not compile extendeed precision
10948         routines on ColdFire targets.
10949
10950 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10951
10952         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10953         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
10954         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
10955         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
10956         explicitly set MOTOROLA to 1.
10957         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
10958
10959 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10960             Nathan Sidwell  <nathan@codesourcery.com>
10961
10962         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
10963         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
10964         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
10965         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
10966         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
10967         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
10968         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
10969         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
10970         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
10971         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
10972         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
10973         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
10974         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
10975         (DBX_REGISTER_NUMBER): Delete.
10976         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
10977         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
10978         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
10979
10980 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10981
10982         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
10983         * config/flat.h: New file.
10984         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
10985         OBJECT_FORMAT_FLAT.
10986         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
10987         indirect references for -msep-data or -mid-shared-library.
10988         Do not use PC-relative code addresses either.
10989         * config/m68k/m68k.c (override_options): Restrict -fPIC error
10990         to -mpcrel.
10991         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
10992         for shared libraries and crt1.o for executables.  Use crti.o and
10993         crtbegin.o.
10994         (ENDFILE_SPEC): Use crtend.o and crtn.o.
10995         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
10996         Do not add -elf2flt or -shared-lib-id options here.
10997         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
10998         Pass -shared-lib-id if -mid-shared-library, taking the library
10999         identifier from -mshared-library-id if given, otherwise
11000         defaulting to 0.
11001         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
11002         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
11003         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
11004         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
11005         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
11006         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
11007         and crtend.o.
11008         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
11009         jump sequence for ISA A and ISA A+.
11010         (PICJUMP): Likewise.
11011
11012 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
11013
11014         * config.gcc (m68k-*-uclinux*): Base the port on the common
11015         and m68k GNU/Linux files rather than on the generic ELF ones.
11016         * config/m68k/uclinux.h (TARGET_VERSION): Override.
11017         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
11018
11019 2007-01-18  Julian Brown  <julian@codesourcery.com>
11020             Richard Sandiford  <richard@codesourcery.com>
11021
11022         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
11023         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
11024         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
11025         before redefining.
11026         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
11027         80 unconditionally.
11028         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
11029
11030 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
11031
11032         * doc/install.texi: Document m68k-uclinuxoldabi.
11033         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
11034         * config/m68k/uclinux-oldabi.h: New file, copied from
11035         config/m68k/uclinux.h.
11036
11037 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
11038
11039         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
11040         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
11041         (m32r_compute_frame_size): Use unsigned for regno.
11042         (m32r_reload_lr): Use gen_frame_mem.
11043         (pop): New.
11044         (m32r_output_function_epilogue): Don't output the function epilogue
11045         textually here.
11046         (m32r_expand_epilogue): New.
11047         (direct_return): Return false if the function has the interrupt
11048         attribute.
11049         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
11050         * config/m32r/m32r.md (epilogue): New expander.
11051         (return_lr, return_rte): New insns.
11052         (return): Make it expander.
11053         (return_normal): New expander.
11054
11055 2007-01-18  Josh Conner  <jconner@apple.com>
11056
11057         PR target/30485
11058         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
11059         support for UNLE, UNLT, UNGE, and UNGT.
11060
11061 2007-01-18  Jan Hubicka  <jh@suse.cz>
11062
11063         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
11064         * tree-tailcall (add_virtual_phis): Likewise.
11065         (optimize_tail_call): Return TODOs.
11066         (execute_tail_calls): Return TODOs.
11067         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
11068         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
11069         changed.
11070         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
11071         Cleanup cfg using TODO.
11072         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
11073         * passes.c (execute_function_todo): When cleanup did something, remove
11074         unused locals.
11075         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
11076         (make_edges): Don't cleanup_cfg.
11077
11078 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
11079
11080         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
11081         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
11082         operate on the top of stack.
11083         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
11084         register handling of instructions that output to the second
11085         stack slot.
11086         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
11087         (move_for_stack_reg): Special-case check for dead destination
11088         stack slot for constant load of 1.0 inside UNSPEC_TAN.
11089
11090         * config/i386/i386.md (UNSPEC_TAN): New constant.
11091         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
11092         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
11093         to correctly model move of constant 1.0 to top stack slot.
11094         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
11095         (unnamed peephole2 pattern): Remove corresponding peephole2
11096         pattern that optimizes tan insn and loading of constant 1.0.
11097         (tanxf2): Use fptanxf4_i387.
11098         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
11099         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
11100         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
11101         disable patterns for SSE math.
11102         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
11103         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
11104
11105 2007-01-18  Dirk Mueller  <dmueller@suse.de>
11106             Richard Guenther <rguenther@suse.de>
11107
11108         PR diagnostic/8268
11109         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
11110         * common.opt (Warray-bounds): Add new warning option.
11111         * c-opts.c (c_common_handle_option): Define -Warray-bounds
11112         if -Wall is given.
11113         * Makefile.in: make tree-vrp.o depend on toplev.h
11114         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
11115         is enabled.
11116         (check_array_refs, check_array_bounds, check_array_ref): New.
11117
11118 2007-01-18  Jan Hubicka  <jh@suse.cz>
11119
11120         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
11121         (execute_ssa_ccp): Return flags conditionally.
11122         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
11123         changed.
11124         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
11125
11126 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
11127
11128         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
11129         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
11130
11131         * Makefile.c (GTFILES): Add cfglayout.h.
11132         * gengtype.c (open_base_files): Likewise.
11133         * cfglayout.c (cfg_layout_function_footer,
11134         cfg_layout_function_header) Reindent to make gengtype happy.
11135         * cfglayout.h (cfg_layout_function_footer,
11136         cfg_layout_function_header): Add GTY(()) marker.
11137
11138         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
11139
11140 2007-01-18  Ben Elliston  <bje@au.ibm.com>
11141
11142         * genautomata.c (write_automata): Include xstrerror output in the
11143         error message if writing the DFA description file fails.
11144
11145 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
11146
11147         * config/mips/mips-protos.h (mips_output_external): Make it
11148         return void.
11149         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
11150         * config/mips/mips.c (irix_output_external_libcall): Likewise.
11151         (extern_list): Likewise.
11152         (extern_head): Likewise.
11153         (TARGET_ASM_FILE_END): Likewise.
11154         (mips_file_end): Likewise.
11155         (mips_output_external): Rewritten.
11156
11157 2007-01-18  Ben Elliston  <bje@au.ibm.com>
11158
11159         * genpreds.c (write_insn_preds_c): Only write out the function
11160         body for regclass_for_constraint if we have register constraints.
11161
11162 2007-01-17  Tom Tromey  <tromey@redhat.com>
11163
11164         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
11165         * doc/install.texi (Testing): Use sourceware.org.
11166         (Binaries): Likewise.
11167         (Specific): Likewise.
11168         * doc/contrib.texi (Contributors): Use sourceware.org.
11169
11170 2007-01-17  Anatoly Sokolov <aesok@post.ru>
11171
11172         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
11173         (AVR_ENHANCED): Rename to ...
11174         (AVR_HAVE_MUL): ... new.
11175         (avr_enhanced_p): Rename to ...
11176         (avr_have_mul_p): ... new.
11177         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
11178         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
11179         * config/avr/avr.c (avr_enhanced_p): Rename to ...
11180         (avr_have_mul_p): ... new.
11181         (base_arch_s): Rename 'enhanced' to 'have_mul'.
11182         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
11183         'avr_enhanced_p' and 'enhanced'.
11184         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
11185         AVR_HAVE_MUL instead of AVR_ENHANCED.
11186         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
11187         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
11188         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
11189         instead of AVR_ENHANCED.
11190         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
11191         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
11192         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
11193
11194 2007-01-17  Ian Lance Taylor  <iant@google.com>
11195
11196         * vec.h (VEC_reserve_exact): Define.
11197         (vec_gc_p_reserve_exact): Declare.
11198         (vec_gc_o_reserve_exact): Declare.
11199         (vec_heap_p_reserve_exact): Declare.
11200         (vec_heap_o_reserve_exact): Declare.
11201         (VEC_OP (T,A,reserve_exact)): New static inline function, three
11202         versions.
11203         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
11204         negative parameter.
11205         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
11206         (VEC_OP (T,A,copy)) [all versions]: Likewise.
11207         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
11208         * vec.c (calculate_allocation): Add exact parameter.  Change all
11209         callers.
11210         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
11211         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
11212         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
11213         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
11214         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
11215         (vec_heap_p_reserve_exact): New function.
11216         (vec_heap_o_reserve_exact): New function.
11217
11218 2007-01-17  Jan Hubicka  <jh@suse.cz>
11219
11220         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
11221
11222 2007-01-17  Eric Christopher  <echristo@apple.com>
11223
11224         * config.gcc: Support core2 processor.
11225
11226 2007-01-16  Jan Hubicka  <jh@suse.cz>
11227
11228         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
11229         the names, just unlink the chain so we don't crash on dangling pointers
11230         to dead SSA names.
11231
11232 2007-01-16  Jan Hubicka  <jh@suse.cz>
11233
11234         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
11235         * tree-pass.h: Reorder to make IPA passes appear toegher.
11236         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
11237         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
11238         parameters, do not call early inliner.
11239         * ipa-inline.c: Update comments.  Include tree-flow.h
11240         (cgraph_decide_inlining): Do not compute inlining parameters.
11241         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
11242         be called with function context set up.
11243         (pass_ipa_inline): Remove unreachable functions before pass.
11244         (cgraph_early_inlining): Simplify assuming to be called from the
11245         PM as local pass.
11246         (pass_early_inline): New pass.
11247         (cgraph_gate_ipa_early_inlining): New gate.
11248         (pass_ipa_early_inline): Turn into simple wrapper.
11249         (compute_inline_parameters): New function.
11250         (gate_inline_passes): New gate.
11251         (pass_inline_parameters): New pass.
11252         (apply_inline): Move here from tree-optimize.c
11253         (pass_apply_inline): New pass.
11254         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
11255         transforming.
11256         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
11257         doing them by hand.
11258         (tree_function_versioning): Do not allocate dummy struct function.
11259         * tree-inline.h (optimize_inline_calls): Update prototype.
11260         * tree-optimize.c (execute_fixup_cfg): Export.
11261         (pass_fixup_cfg): Remove
11262         (tree_rest_of_compilation): Do not apply inlines.
11263         * tree-flow.h (execute_fixup_cfg): Declare.
11264         * Makefile.in (gt-passes.c): New.
11265         * passes.c: Include gt-passes.h
11266         (init_optimization_passes): New passes.
11267         (nnodes, order): New static vars.
11268         (do_per_function_toporder): New function.
11269         (execute_one_pass): Dump current pass here.
11270         (execute_ipa_pass_list): Don't dump current pass here.
11271
11272 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
11273
11274         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
11275         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
11276
11277 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
11278
11279         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
11280         (strong_alias): Define.
11281         (__gcc_qmul): Provide non-FMA for soft-float.
11282         (__gcc_qdiv): Same.
11283         (__gcc_qneg): New.
11284         (__gcc_qeq): New.
11285         (__gcc_qle): New.
11286         (__gcc_qge): New.
11287         (__gcc_qunord): New.
11288         (__gcc_stoq): New.
11289         (__gcc_dtoq): New.
11290         (__gcc_qtos): New.
11291         (__gcc_qtod): New.
11292         (__gcc_qtoi): New.
11293         (__gcc_qtou): New.
11294         (__gcc_itoq): New.
11295         (__gcc_utoq): New.
11296         (fmsub): New.
11297         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
11298         soft-float functions.
11299         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
11300         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
11301         about long double soft float.
11302
11303 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
11304             Tehila Meyzels  <tehila@il.ibm.com>
11305
11306         * tree-vectorizer.h (is_pattern_stmt_p): New.
11307         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
11308         formatting (tabs instead of spaces). Cleanup and clarify setting
11309         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
11310         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
11311         (vectorizable_type_demotion): Check that types are integral.
11312         (vectorizable_type_promotion): Likewise.
11313         (vectorizable_store): Fix typo.  Eliminate new-line at end of
11314         comments.
11315
11316 2007-01-16  Jan Hubicka  <jh@suse.cz>
11317
11318         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
11319         cgraph edges too.
11320
11321 2007-01-15  Eric Christopher  <echristo@apple.com>
11322
11323         * ifcvt.c: Include vec.h, vecprim.h.
11324         (check_cond_move_block): New argument regs.
11325         Reorganize. Add registers used to regs.
11326         (cond_move_process_if_block): Use regs set above as
11327         loop bounds.
11328
11329 2007-01-15  Eric Christopher  <echristo@apple.com>
11330
11331         * config/darwin.h: Update copyright.
11332         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
11333         (LINK_COMMAND_SPEC): Add -u.
11334         (LINK_SPEC): Fix umbrella for above.
11335
11336 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
11337
11338         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
11339         glibc CVS.
11340
11341 2007-01-15  Tom Tromey  <tromey@redhat.com>
11342
11343         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
11344         * doc/install.texi (Testing): Don't mention jacks.
11345         (Configuration): Document --enable-java-maintainer-mode.  Move
11346         --with-java-home to libgcj-specific section.  Document
11347         --with-ecj-jar.
11348         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
11349
11350 2007-01-15  Jan Hubicka  <jh@suse.cz>
11351
11352         * tree-ssa-dce.c (DCE_TODOs): New.
11353         (propagate_necessity): Return if something changed.
11354         (eliminate_unnecessary_stmts): Likewise.
11355         (perform_tree_ssa_dce): Return TODO flags when needed.
11356         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
11357
11358 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
11359
11360         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
11361         (fyl2x_extend<mode>xf3_i387): New insn pattern.
11362         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
11363         patterns using X87MODEF12 mode macro.  Extend operand 1
11364         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
11365         (log10<mode>2): Ditto.
11366         (log2<mode>2): Ditto.
11367         (log1p<mode>2): Ditto.
11368         (logb<mode>2): Ditto.
11369         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
11370         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
11371         (*fxtractxf3_i387): Rename from *fxtractxf3.
11372         (fxtract_extend<mode>xf3_i387): New insn pattern.
11373         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
11374         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
11375         and gen_fyl2xxf3_i387().
11376
11377 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
11378
11379         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
11380         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
11381         get_loop_exit_edges.  Changed return type to bool.
11382         * cfgloop.h (fix_loop_placement): Declaration removed.
11383
11384 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
11385
11386         * param.h (MIN_VECT_LOOP_BOUND): New.
11387         * params.def (MIN_VECT_LOOP_BOUND): New.
11388         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
11389         argument - minimum threshold for number of iterations.
11390         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
11391         argument to declaration.
11392         * tree-vect-analyze.c (vect_analyze_operations): Check value of
11393         MIN_VECT_LOOP_BOUND.
11394         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
11395         slpeel_tree_peel_loop_to_edge with additional argument.
11396         (vect_do_peeling_for_alignment): Likewise.
11397         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
11398
11399 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
11400
11401         PR target/30413
11402         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
11403         operands of size 1.
11404
11405 2007-01-14  Jan Hubicka  <jh@suse.cz>
11406
11407         * tree-dfa.c (remove_referenced_var): New function.
11408         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
11409         prune referenced vars list too.
11410         * tree-flow.h (remove_referenced_var): Declare.
11411
11412 2007-01-14  Jan Hubicka  <jh@suse.cz>
11413
11414         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
11415         separately.
11416         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
11417         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
11418         * except.h (verify_eh_throw_table_statements): Kill prototype.
11419         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
11420         into call exrepssions.
11421         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
11422         eh trhow verifier.
11423         * tree-cfg.c: Include pointer-set.h.
11424         (verify_node_sharing): Work on pointer set.
11425         (verify_eh_throw_stmt_node): New.
11426         (verify_stmts): Use pointers sets, verify throw_stmt.
11427
11428 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
11429
11430         * ipa-reference.c (analyze_function): Consider also addresses taken
11431         in phi nodes.
11432
11433 2007-01-12  Roger Sayle  <roger@eyesopen.com>
11434
11435         * c-typeck.c (null_pointer_constant_p): Replace use of
11436         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11437         (build_c_cast): Likewise.
11438
11439 2007-01-12  Roger Sayle  <roger@eyesopen.com>
11440
11441         * tree.h (force_fit_type_double): Remove unused final argument.
11442         * c-common.c (constant_expression_warning): Replace use of
11443         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11444         (convert_and_check): Likewise.
11445         (shorten_compare): Update call to force_fit_type_double.
11446         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
11447         * convert.c (convert_to_pointer): Update call to
11448         force_fit_type_double.
11449         * fold-const.c (force_fit_type_double): Remove overflowed_const
11450         argument.
11451         (int_const_binop, fold_convert_const_int_from_int,
11452         fold_convert_const_int_from_real, fold_div_compare,
11453         fold_sign_changed_comparison, fold_unary, fold_negate_const,
11454         fold_abs_const, fold_not_const): Remove the final argument from
11455         calls to force_fit_type_double.
11456
11457 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11458
11459         * configure.ac: Set insn to "nop" for spu-*-* also.
11460         * configure: Regenerate.
11461
11462 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
11463
11464         * builtins.def : Add BUILT_IN_FREE.
11465
11466 2007-01-12  Jan Hubicka  <jh@suse.cz>
11467
11468         PR tree-optimization/30443
11469         * tree-inline.c (tree_function_versioning): Do not optimize when
11470         cloning for inlining.
11471
11472 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
11473
11474         * doc/loop.texi: Document recording of loop exits.
11475         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
11476         (update_single_exits_after_duplication,
11477         update_single_exit_for_duplicated_loop,
11478         update_single_exit_for_duplicated_loops): Removed.
11479         (duplicate_loop_to_header_edge): Do not call
11480         update_single_exits_after_duplication and
11481         update_single_exit_for_duplicated_loops.
11482         (loop_version): Do not update single_exit information.
11483         (fix_loop_structure): Use record_loop_exits instead of
11484         mark_single_exit_loops.
11485         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
11486         the lists of loop exits.
11487         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
11488         split_edge, merge_blocks): Update the lists of loop exits.
11489         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
11490         loop_optimizer_init.
11491         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
11492         of mark_single_exit_loops.
11493         (loop_optimizer_finalize): Call release_recorded_exits.
11494         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
11495         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
11496         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
11497         update single exit information.
11498         * lambda-code.c (perfect_nestify): Ditto.
11499         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
11500         (mark_single_exit_loops): Removed.
11501         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
11502         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
11503         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
11504         functions.
11505         (get_loop_exit_edges, single_exit): Use recorded exit lists.
11506         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
11507         (verify_loop_structure): Verify consistency of the exit lists.
11508         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
11509         (set_single_exit): Removed.
11510         * cfgloop.h (struct loop_exit): New function.
11511         (struct loop): single_exit_ field replaced by exits field.
11512         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
11513         (struct loops): Added exits hash.
11514         (mark_single_exit_loops, set_single_exit): Declaration removed.
11515         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
11516
11517 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11518
11519         * doc/invoke.texi: Avoid use of @headitem.
11520
11521 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11522
11523         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
11524
11525 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11526
11527         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
11528         list of targets.
11529
11530 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11531             Richard Sandiford  <richard@codesourcery.com>
11532
11533         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
11534         * config/m68k/m68k.opt: Resort options.
11535         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
11536
11537 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11538             Richard Sandiford  <richard@codesourcery.com>
11539
11540         * doc/invoke.texi: Document the macros that are defined by
11541         m68k's -mtune and -mhard-float options.
11542         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
11543         (m68k_cpp_cpu_family): Likewise.
11544         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
11545         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
11546         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
11547         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
11548         (m68k_cpp_cpu_family): Likewise.
11549
11550 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11551
11552         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
11553         macros besides mc68000 as tuning macros.  Use a switch statement
11554         to set them and mcpu32.
11555
11556 2007-01-12  Julian Brown  <julian@codesourcery.com>
11557
11558         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
11559         (TARGET_68040_ONLY): Rename to...
11560         (TARGET_68040): ...this.
11561         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
11562         * config/m68k/m68k.md: Likewise.
11563
11564 2007-01-12  Julian Brown  <julian@codesourcery.com>
11565             Nathan Sidwell  <nathan@codesourcery.com>
11566             Richard Sandiford  <richard@codesourcery.com>
11567
11568         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
11569         the -mcpu= argument associated with the --with-cpu setting.
11570         Define M68K_DEFAULT_TUNE to the default -mtune= option,
11571         if different from the one implied by the -mcpu setting.
11572         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
11573         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
11574         * doc/invoke.texi: Mention ColdFire in the introduction to the
11575         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
11576         -mno-div and -mhard-float options.  Make -m68881 a synonym for
11577         -mhard-float.  Document the previously-undocumented -m5206e,
11578         -m528x, -m5307 and -m5407 options.  Tweak the existing option
11579         documentation for consistency.
11580         * doc/install.texi: Mention new --with-cpu arguments.
11581         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
11582         default CPU if neither -mcpu nor -march are specified.
11583         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
11584         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
11585         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
11586         using m68k_tune to decide between families that implement the
11587         same ISA.  Use m68k_tune to set __mcfv4e__.
11588         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
11589         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
11590         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
11591         (FL_ISA_C, FL_ISA_MMU): New macros.
11592         (MASK_COLDFIRE): Delete.
11593         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
11594         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
11595         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
11596         (TARGET_HARD_FLOAT): Do not define here.
11597         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
11598         (TUNE_68000): New macro.
11599         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
11600         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
11601         (TUNE_CFV2): Redefine in terms of m68k_tune.
11602         (uarch_type, target_device, fpu_type): New enums.
11603         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
11604         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
11605         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
11606         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
11607         (FL_FOR_isa_c): New macros.
11608         (m68k_isa): New enum.
11609         (m68k_target_selection): New structure.
11610         (all_devices, all_isas, all_microarchs): New tables.
11611         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
11612         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
11613         (MASK_ALL_CPU_BITS): Delete.
11614         (m68k_find_selection): New function.
11615         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
11616         Map the legacy target options to a combination of the new ones.
11617         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
11618         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
11619         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
11620         settings.
11621         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
11622         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
11623         properties.
11624         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
11625         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
11626         * config/m68k/m68k-devices.def: New file.
11627
11628 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11629             Nathan Sidwell  <nathan@codesourcery.com>
11630
11631         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
11632         (SUBTARGET_EXTRA_SPECS): New macros.
11633         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
11634         use %(asm_cpu_spec) instead.
11635         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
11636         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
11637         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
11638         (EXTRA_SPECS): Rename to...
11639         (SUBTARGET_EXTRA_SPECS): ...this.
11640
11641 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11642             Richard Sandiford  <richard@codesourcery.com>
11643             Julian Brown  <julian@codesourcery.com>
11644
11645         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
11646         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
11647         to the configuration's default CPU.
11648         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
11649         Remove default masks.
11650         (m680[012]0-*-*): Set the default with_cpu to the first part of
11651         the target name.
11652         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
11653         (m68k*-*-linux): Extend the --with-cpu handling to...
11654         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
11655         and m68010.  Don't set target_cpu_default2.
11656         * doc/install.texi: Document --with-cpu for m68k.
11657         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
11658         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
11659         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
11660         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
11661         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
11662         (ASM_SPEC): Remove use of %(asm_cpu_default).
11663         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
11664         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
11665         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
11666         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
11667         __HAVE_FPU__ if TARGET_HARD_FLOAT.
11668         (TARGET_DEFAULT): Delete.
11669         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
11670         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
11671         (CPP_CPU_SPEC): Delete.
11672         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
11673         the appropriate string.
11674         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
11675         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
11676         (ASM_SPEC): Don't use %(asm_default_spec).
11677         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11678         TARGET_DEFAULT and add MASK_68881.
11679         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
11680
11681 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11682
11683         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
11684         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
11685         MASK_68010 alongside MASK_68020.
11686         * doc/invoke.texi: Document -m68010.
11687         * config/m68k/m68k.opt (m68010): New.
11688         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
11689         if TUNE_68010.
11690         (TUNE_68010): New macro.
11691         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
11692         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
11693         (M68K_CPU_m68332): Add MASK_68010.
11694         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
11695         fallback definition.
11696         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
11697         defines.
11698         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
11699         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
11700         to all entries that use MASK_68020.
11701         (output_move_simode_const, output_move_himode, output_move_qimode)
11702         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
11703         instead of TARGET_68020 to select clr behavior.  Remove comment
11704         about there being no TARGET_68010.
11705         * config/m68k/m68k.md: Likewise throughout.
11706
11707 2007-01-12  Julian Brown  <julian@codesourcery.com>
11708
11709         * config/m68k/m68k.h (TARGET_ISAB): New macro.
11710         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
11711         * config/m68k/m68k.md: Likewise.
11712
11713 2007-01-12  Julian Brown  <julian@codesourcery.com>
11714
11715         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
11716         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
11717
11718 2007-01-12  Julian Brown  <julian@codesourcery.com>
11719
11720         * config/m68k/m68k.h (TUNE_68040_60): New macro.
11721         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
11722         * config/m68k/m68k.md: Likewise.
11723
11724 2007-01-12  Julian Brown  <julian@codesourcery.com>
11725             Richard Sandiford  <richard@codesourcery.com>
11726
11727         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
11728         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
11729         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
11730         TARGET_CPU32.
11731         (TARGET_CPU32): Rename to...
11732         (TUNE_CPU32): ...this.
11733         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
11734         (TUNE_CFV2): New macros.
11735         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
11736         remove conditions that are implied by TARGET_68020.
11737         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
11738         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
11739         (m68k_output_function_epilogue): Likewise.
11740         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
11741         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
11742         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
11743         non-68000 timings.  Refactor multiplication and division costs.
11744         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
11745         TUNE_CPU32 instead of TARGET_CPU32.
11746         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
11747         and TUNE_68060 instead of TARGET_68060.
11748         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
11749         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
11750         TARGET_CPU32.
11751         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
11752         && !TARGET_COLDFIRE" to choose between moveq and clr.
11753         Likewise in the unnamed movsf pattern.
11754         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
11755         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
11756         ashiftrt pattern.
11757
11758 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11759
11760         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
11761         of tabbing before backslashes.
11762
11763 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11764
11765         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
11766         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
11767         (ASM_OUTPUT_INTERNAL_LABEL): Define.
11768
11769 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
11770
11771         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
11772         find_interesting_uses_cond.
11773         (find_interesting_uses_cond): Use extract_cond_operands.
11774         (rewrite_use_compare): Use extract_cond_operands and
11775         force_gimple_operand_bsi.  Do not call update_stmt.
11776         (determine_use_iv_cost_condition): Use extract_cond_operands.
11777         Return cheaper of using original bound and changing the exit bound.
11778
11779 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
11780
11781         PR tree-optimization/29516
11782         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
11783         most_expensive_mult_to_index, addr_to_parts,
11784         create_mem_ref, maybe_fold_tmr): Make the type of
11785         fields of TARGET_MEM_REF sizetype.
11786         (move_fixed_address_to_symbol, move_pointer_to_base):
11787         New functions.
11788         * tree.def (TARGET_MEM_REF): Add comment on types of
11789         the operands.
11790
11791 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
11792
11793         * c-common.c (vector_types_convertible_p): Treat opaque types as
11794         always convertible if they have the same size, but not otherwise.
11795
11796 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
11797
11798         * ifcvt.c (struct noce_if_info): Add comments to the fields.
11799         Remove the b_unconditional field.
11800         (noce_try_sign_mask): Do not look at b_unconditional.
11801         (noce_process_if_block): Do not use merge_if_blocks.  Update
11802         the CFG here.  Do not set b_unconditional.
11803         (cond_move_process_if_block): Likewise.
11804         (find_cond_trap): Likewise.
11805         (check_cond_move_block): Require simple jump insns at the end
11806         of the basic block.
11807
11808 2007-01-11  Jan Hubicka  <jh@suse.cz>
11809
11810         PR tree-optimization/1046
11811         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
11812         when alias info is not ready.
11813         (pass_tail_recursion): Do not require aliasing.
11814         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
11815         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
11816         * tree-ssa-copy.c (pass_copy_prop): Likewise.
11817         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
11818         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
11819         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
11820         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
11821         before inlining.
11822         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
11823         When aliasing is not build, mark statement as volatile.
11824
11825 2007-01-11  Tom Tromey  <tromey@redhat.com>
11826
11827         PR preprocessor/15185, PR preprocessor/20989:
11828         * doc/cppopts.texi <-MT>: Update description of algorithm for
11829         computing default target.
11830         <-M, -MD>: Reword "basename" text.
11831
11832 2007-01-11  Roger Sayle  <roger@eyesopen.com>
11833
11834         * builtins.c (expand_builtin_pow, expand_builtin_powi,
11835         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
11836         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
11837         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
11838         fold_builtin_bswap, real_constp, fold_builtin_pow,
11839         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
11840         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
11841         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11842         * convert.c (convert_to_pointer): Likewise.
11843         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
11844         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
11845         const_binop, fold_convert_const_int_from_int,
11846         fold_convert_const_int_from_real,
11847         fold_convert_const_real_from_real, sign_bit_p,
11848         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
11849         fold_sign_changed_comparison, fold_unary, fold_comparison,
11850         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
11851         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
11852         * print-tree.c (print_node_brief, print_node): Likewise.
11853         * stor-layout.c (place_field, layout_type): Likewise.
11854         * tree-chrec.c (keep_cast): Likewise.
11855         * tree.c (build_vector, build_real, build_real_from_int_cst,
11856         build_complex): Likewise.
11857
11858 2007-01-11  Roger Sayle  <roger@eyesopen.com>
11859
11860         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
11861         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
11862
11863 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
11864
11865         * configure.ac (strict1_warn): Rename to strict_warn.
11866         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
11867         cc_set_by_configure, quoted_cc_set_by_configure,
11868         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
11869         all_boot_languages, all_stagestuff): Remove.
11870         (target_list): Remove bootstrap targets.
11871         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
11872         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
11873         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
11874         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
11875         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
11876         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
11877         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
11878         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
11879         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
11880         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
11881         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
11882         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
11883         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
11884         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
11885         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
11886         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
11887         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
11888         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
11889         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
11890         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
11891         (mostlyclean): Adjust.
11892         (clean, distclean): Don't mention bootstrap stuff.
11893         * configure: Regenerate.
11894         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
11895         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
11896         treelang/config-lang.in (stagestuff): Remove.
11897         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
11898         stageprofile, stagefeedback, stagestuff): Remove mention.
11899
11900 2007-01-11  Nick Clifton  <nickc@redhat.com>
11901
11902         * config/mcore/predicates.md (mcore_general_movesrc_operand):
11903         Accept CONSTs.
11904         (mcore_general_movdst_operand): Do not accept CONST_INTs.
11905         (mcore_arith_K_S_operand): Run the test for the S constraint not
11906         the test for the M constraint.
11907         (mcore_addsub_operand): Do not accept integer values that are
11908         larger than 32 bits.
11909         * config/mcore/mcore.md: Remove unused constraints from split.
11910         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
11911         (addsi3): Likewise.
11912         (allocate_stack): Likewise.
11913         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
11914         operands to 32 bits.
11915         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
11916         INTVAL.
11917         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
11918         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
11919         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
11920         mcore_output_bclri, mcore_output_andn, output_inline_const,
11921         mcore_output_move, mcore_output_movedouble): Likewise.
11922         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
11923         (output_inline_const): Likewise.
11924         (output_inline_const): Fix format strings used in sprintf
11925         statements.
11926         * config/mcore/mcore-protos.h: Update prototypes for changed
11927         functions in mcore.c.
11928         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
11929         HOST_WIDE_INT and not int.
11930         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
11931         CONST_OK_FOR_N): Likewise.
11932         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
11933         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
11934         an INTVAL.
11935
11936 2007-01-10  Jan Hubicka  <jh@suse.cz>
11937
11938         * tree-vrp.c (remove_range_assertions): Release defs.
11939         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
11940         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
11941
11942 2007-01-10  Paul Brook  <paul@codesourcery.com>
11943
11944         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
11945         * config/arm/arm.md (mulsi3subsi): New insn.
11946
11947 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
11948
11949         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
11950         (tree_transform_and_unroll_loop): New.
11951         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
11952         Declare.
11953
11954 2007-01-10  Robert Kennedy <jimbob@google.com>
11955
11956         * fold-const.c (fold_comparison): Fold comparisons like (x *
11957         1000 < 0) to (x < 0).
11958
11959 2007-01-10  Ian Lance Taylor  <iant@google.com>
11960
11961         * tree-pretty-print.c (dump_generic_node): Print parentheses when
11962         operands have the same priority.
11963
11964 2007-01-10  Tom Tromey  <tromey@redhat.com>
11965
11966         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
11967         (fold_binary): Likewise.
11968         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
11969         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
11970         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
11971         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
11972         * langhooks.h (struct lang_hooks): Removed field
11973         'can_use_bit_fields_p'.
11974
11975 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
11976
11977         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
11978
11979 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
11980
11981         * function.c (get_last_funcdef_no): New function.
11982         * function.h (get_last_funcdef_no): Declare.
11983         * tree-inline.c (initialize_cfun): Add initialization.
11984         (tree_function_versioning): Cleanup.
11985
11986 2007-01-10  Jan Hubicka  <jh@suse.cz>
11987
11988         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
11989         PHIs.
11990
11991 2007-01-10  Sa Liu  <saliu@de.ibm.com>
11992             Ben Elliston  <bje@au.ibm.com>
11993
11994         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
11995         for SAVE_NONLOCAL and Pmode for any other save level.
11996         * spu-protos.h (spu_restore_stack_block): Declare.
11997         * spu.md (save_stack_block): Remove.
11998         (restore_stack_block): Call spu_restore_stack_block.
11999         * spu.c (spu_restore_stack_block): New function.
12000         (spu_expand_epilogue): Remove old comment.
12001
12002 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
12003
12004         PR tree-optimization/30322
12005         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
12006         (cand_value_at): Return the value as aff_tree.
12007         (may_eliminate_iv): Convert the bound from aff_tree to tree.
12008         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
12009         aff_combination_mult): New functions.
12010         (aff_combination_add): Use aff_combination_add_cst.
12011         (aff_combination_convert): Allow conversions to a wider type.
12012         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
12013         * tree-affine.h (aff_combination_mult): Declare.
12014
12015 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
12016
12017         * doc/tm.texi: Update documentation to reflect reality of exec
12018         and start file search behaviours. Update copyright year.
12019         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
12020         header file directories.
12021
12022 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
12023
12024         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
12025         (*cosxf2): Rename to cosxf2_i387.
12026         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
12027         using X87MODEF12 mode macro. Rename patterns to
12028         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
12029         for SSE math.
12030         (*cosdf2, *cossf2): Ditto.
12031         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
12032         to match extended input operands.
12033         (sincos<mode>3): New expander.
12034         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
12035         insn patterns and corresponding splitters.
12036
12037 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
12038
12039         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
12040         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
12041
12042 2007-01-09  Nicolas Pitre  <nico@cam.org>
12043
12044         PR target/30173
12045         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
12046
12047 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
12048
12049         * target.h (struct gcc_target): New field library_rtti_comdat.
12050         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
12051         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
12052         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
12053         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
12054
12055 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
12056
12057         * doc/invoke.texi (Optimize Options): Correct description of -O0.
12058
12059 2007-01-08  Richard Guenther  <rguenther@suse.de>
12060
12061         * tree.h (force_fit_type_double): Export.
12062         (force_fit_type): Remove.
12063         * fold-const.c (force_fit_type_double): New function.
12064         (force_fit_type): Remove.
12065         (int_const_binop): Use it.
12066         (fold_convert_const_int_from_int): Likewise.
12067         (fold_convert_const_int_from_real): Likewise.
12068         (fold_div_compare): Likewise.
12069         (fold_sign_changed_comparison): Likewise.
12070         (fold_unary): Likewise.
12071         (fold_negate_const): Likewise.
12072         (fold_abs_const): Likewise.
12073         (fold_not_const): Likewise.
12074         * c-common.c (shorten_compare): Use force_fit_type_double.
12075         * convert.c (convert_to_pointer): Likewise.
12076
12077 2007-01-08  Richard Guenther  <rguenther@suse.de>
12078
12079         * tree.h (build_int_cst_wide_type): Export.
12080         * tree.c (build_int_cst_wide_type): New function.
12081         (build_int_cst_wide): Fix comment.
12082         * builtins.c (fold_builtin_object_size): Use build_int_cst
12083         to build -1 or 0 of the correct type.  Use fit_double_type
12084         to check for overflow.
12085         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
12086         to build the mask.
12087         (decode_field_reference): Likewise.
12088         (all_ones_mask_p): Likewise.
12089         (native_interpret_int): Use build_int_cst_wide_type.
12090         (fold_binary): Use build_int_cst_type to build an all-ones
12091         value.
12092         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
12093
12094 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
12095
12096         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
12097
12098 2007-01-09  Ben Elliston  <bje@au.ibm.com>
12099
12100         * genautomata.c (STATS_OPTION): New option.
12101         (stats_flag): New flag.
12102         (gen_automata_option): Handle it.
12103         (initiate_automaton_gen): Ditto.
12104         (write_automata): Output statistics only if stats_flag is
12105         set. Likewise, output time statistics only if time_flag is set.
12106         * doc/md.texi (Processor pipeline description): Document new flag.
12107
12108 2007-01-08  Richard Guenther  <rguenther@suse.de>
12109
12110         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
12111         * tree.c (build_int_cst_type): Likewise.
12112         (size_in_bytes): Don't call force_fit_type on the result.
12113         (int_fits_type_p): Use fit_double_type.
12114         * fold-const.c (fit_double_type): New function.
12115         (force_fit_type): Use it.
12116         * tree.h (fit_double_type): Export.
12117
12118 2007-01-08  Jan Hubicka  <jh@suse.cz>
12119
12120         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
12121         * ipa.c (function_and_variable_visibility): Fix return type.
12122
12123 2007-01-08  Richard Guenther  <rguenther@suse.de>
12124
12125         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
12126         of offset to build the index.
12127         * tree-pretty-print.c (dump_generic_node): Don't build negated
12128         const just for printing.
12129         * c-pretty-print.c (pp_c_integer_constant): Likewise.
12130         * builtins.c (fold_builtin_int_roundingfn): Check if result
12131         fits the type by using force_fit_type and comparing the result.
12132         * predict.c (predict_loops): Use compare_tree_int for comparison.
12133         * tree.c (build_int_cst): Fall back to integer_type_node for
12134         NULL_TREE type.
12135         (build_int_cst_wide): Assert type is non-null.
12136
12137 2007-01-08  Roberto Costa  <roberto.costa@st.com>
12138
12139         * tree-vrp.c (extract_range_from_cond_expr): New.
12140         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
12141         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
12142         as expressions.
12143         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
12144         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
12145         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
12146         used as expressions.
12147         * tree-object-size.c (cond_expr_object_size): New.
12148         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
12149
12150 2007-01-08  Jan Hubicka  <jh@suse.cz>
12151
12152         * tree-ssa-forwprop.c (forward_propagate_into_cond,
12153         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
12154         statement.
12155
12156 2007-01-08  Richard Guenther  <rguenther@suse.de>
12157
12158         PR tree-optimization/23603
12159         * tree-vrp.c (set_value_range_to_truthvalue): New function.
12160         (extract_range_from_binary): Fall back to truthvalue instead of
12161         varying for TRUTH_*_EXPR.
12162         (extract_range_from_comparison): Fall back to truthvalue instead of
12163         varying.
12164         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
12165         if all visited PHI values were constant.
12166
12167 2007-01-08  Jan Hubicka  <jh@suse.cz>
12168
12169         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
12170         (cgraph_analyze_function): break out from ...
12171         (cgraph_finalize_compilation_unit): ... here.
12172         (cgraph_expand_function): Remove forgoten commented out line.
12173         (cgraph_optimize): Analyze functions.
12174
12175 2007-01-08  Jan Hubicka  <jh@suse.cz>
12176
12177         * tree-pas.h (TODO_remove_function): New flag.
12178         (TODO_update*): Renumber.
12179         (pass_ipa_increase_alignment,
12180         pass_ipa_function_and_variable_visibility): New passes.
12181         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
12182         (cgraph_function_and_variable_visibility): Move to ipa.c
12183         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
12184         cgraph_increase_alignment.
12185         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
12186         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
12187         calling tree-inline.
12188         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
12189         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
12190         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
12191         (gate_increase_alignment): New function.
12192         (pass_ipa_increase_alignment): New pass.
12193         * ipa.c: Inline tree-pass.h and timevar.h
12194         (function_and_variable_visibility): Move here from cgraphunit.c
12195         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
12196         * passes.c (init_optimization_passes): Add the two new passes.
12197         (execute_todo): Handle cgraph_remove_functions.
12198
12199 2007-01-08  Nick Clifton  <nickc@redhat.com>
12200
12201         * config/frv/predicates.md (reg_or_0_operand): Accept
12202         CONST_DOUBLEs.
12203
12204 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
12205
12206         * config/bfin/rtems.h, config/bfin/t-rtems: New.
12207         * config.gcc: Add bfin*-rtems*.
12208
12209 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
12210
12211         * c.opt: Add -flax-vector-conversions.
12212         * c-typeck.c (convert_for_assignment): Pass flag to
12213         vector_types_convertible_p to allow emission of note.
12214         (digest_init): Likewise.
12215         * c-opts.c: Handle -flax-vector-conversions.
12216         * c-common.c (flag_lax_vector_conversions): New.
12217         (vector_types_convertible_p): Unless -flax-vector conversions
12218         has been passed, disallow conversions between vectors with
12219         differing numbers of subparts and/or element types.  If such
12220         a conversion is disallowed, possibly emit a note on the first
12221         occasion only to inform the user of -flax-vector-conversions.
12222         The new last argument specifies this.
12223         * c-common.h (flag_lax_vector_conversions): New.
12224         (vector_types_convertible_p): Add extra argument.
12225         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
12226         char_type_node for V*QI type vectors.
12227         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
12228         Update to satisfy new typechecking rules.
12229         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
12230         C and C++ variants.
12231         * doc/invoke.texi (C Dialect Options): Document
12232         -flax-vector-conversions.
12233
12234 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
12235
12236         PR tree-optimization/29877
12237         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
12238         a register variable on the RHS to not be replaceable.
12239
12240 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
12241         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
12242         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
12243         const_simm15, const_pow2, const_npow2): Added.
12244         * config/score/misc.md (insv, extv, extzv, movmemsi,
12245         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
12246         * config/score/score.c (score_address_cost, score_select_cc_mode):
12247         Added.
12248         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
12249         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
12250         Update score_print_operand.
12251         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
12252         Adjust register allocate order and update some macro define.
12253         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
12254         mdx_block_move_straight, mdx_block_move_loop_head,
12255         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
12256         mdx_block_move): Added.
12257         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
12258         mdp_limm): Updated and fix some bug and typo.
12259         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
12260         (movsf, movdf, doloop_end): Added.
12261
12262 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
12263
12264         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
12265         config/arm/thumb2.md: Fix comment typos.
12266         * doc/extend.texi: Fix a typo.
12267
12268 2007-01-07  Eric Christopher  <echristo@apple.com>
12269
12270         * configure.ac: Check for __stack_chk_fail for darwin.
12271         * configure: Regenerate.
12272
12273 2007-01-07  Richard Guenther  <rguenther@suse.de>
12274
12275         * tree-vrp.c (extract_range_from_assert): CSE calls to
12276         compare_values where possible.
12277         (extract_range_from_unary_expr): Likewise.
12278
12279 2007-01-07  Anatoly Sokolov <aesok@post.ru>
12280
12281         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
12282         * config/avr/avr.c (call_insn_operand): Delete function.
12283         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
12284         instead of register number. Use predicates.
12285         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
12286         call_insn_operand): Add.
12287
12288 2007-01-06  Jan Hubicka  <jh@suse.cz>
12289
12290         * tree-pass.h (pass_build_cgraph_edges): Declare.
12291         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
12292         (visited_nodes): Remove.
12293         (cgraph_create_edges): Move to cgraphbuild.c; rename to
12294         build_cgrpah_edges; make visited_nodes local.
12295         (cgraph_process_new_functions): DO not call initialize_inline_failed.
12296         (record_references_in_initializer): Move to cgraphbuild.c
12297         (initialize_inline_failed, rebuild_cgraph_edges,
12298         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
12299         (verify_cgraph_node): Make visited_nodes local.
12300         (cgraph_analyze_function): Do not call cgraph_create_edges and
12301         initialize_inline_failed.
12302         (cgraph_expand_function): Do not call cgraph_lower_function;
12303         assert that function is already lowered.
12304         * Makefile.in (cgraphbuild.o): New.
12305         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
12306         at the end of lowering passes.
12307
12308 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
12309
12310         * ifcvt.c (cond_move_convert_if_block): New function, code
12311         factored out from...
12312         (cond_move_process_if_block): ...here.  Call the new function
12313         on the THEN and ELSE blocks.
12314         (merge_if_block): Do not copy global_live_at_end, merge_blocks
12315         already takes care of this.
12316
12317 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12318
12319         PR c/19978
12320         * tree.h (TREE_OVERFLOW_P): New.
12321         * c-typeck.c (parser_build_unary_op): Warn only if result
12322         overflowed and operands did not.
12323         (parser_build_binary_op): Likewise.
12324         (convert_for_assignment): Remove redundant overflow_warning.
12325         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
12326
12327 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12328
12329         * c-typeck.c (store_init_value): Split over two lines to follow
12330         the GNU coding style.
12331
12332 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
12333
12334         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
12335         __GXX_EXPERIMENTAL_CXX0X__.
12336         * doc/cpp.texi: Same.
12337
12338 2007-01-05  Richard Guenther  <rguenther@suse.de>
12339
12340         PR middle-end/27826
12341         * tree.c (get_narrower): Do not construct COMPONENT_REFs
12342         with mismatched types.  Instead explicitly build a
12343         conversion NOP_EXPR.
12344
12345 2007-01-05  Ian Lance Taylor  <iant@google.com>
12346
12347         * c-common.c (decl_with_nonnull_addr_p): New function.
12348         (c_common_truthvalue_conversion): Call it.
12349         * c-typeck.c (build_binary_op): Likewise.
12350         * c-common.h (decl_with_nonnull_addr_p): Declare.
12351
12352 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
12353
12354         PR c/30360
12355         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
12356         denom against 0.0.
12357
12358 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
12359
12360         * doc/install.texi (Final install): Document the fact that
12361         the GNAT runtime should not be stripped.
12362
12363 2007-01-04  Jan Hubicka  <jh@suse.cz>
12364
12365         * tree-inline.c (fold_marked_statements): Update operand caches
12366         and EH after folding
12367
12368 2007-01-04  Ian Lance Taylor  <iant@google.com>
12369
12370         * c-common.c (check_function_nonnull): Whitespace fix.
12371
12372 2007-01-04  Jan Hubicka  <jh@suse.cz>
12373
12374         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
12375         comitted older version of patch.
12376         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
12377         function, celanup cfg and collect garbage.
12378
12379 2007-01-04  Mike Stump  <mrs@apple.com>
12380
12381         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
12382         (clean): Likewise.
12383
12384 2007-01-04  Eric Christopher  <echristo@apple.com>
12385
12386         * libgcc2.c (__bswapsi2): Use SItype.
12387         (__bswapdi2): Use DItype.
12388         * libgcc2.h: Update for above.
12389
12390 2007-01-04  Paul Brook  <paul@codesourcery.com>
12391
12392         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
12393         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
12394         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
12395         umulsidi3, umulsidi3adddi, smulsi3_highpart,
12396         umulsi3_highpart): Make conditional on !arm_arch6.
12397         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
12398         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
12399         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
12400         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
12401         umulsi3_highpart_v6): New insns.
12402
12403 2007-01-04  Roger Sayle  <roger@eyesopen.com>
12404
12405         * fold-const.c (fold_convert): When casting an expression to void,
12406         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
12407         have a type.  Instead of attempting to build a NOP_EXPR, return
12408         these "special" trees directly.
12409
12410 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
12411
12412         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
12413         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
12414         rs6000_cost->fp not 0 as adjustment for outer NEG.
12415
12416 2007-01-04  Jan Hubicka  <jh@suse.cz>
12417
12418         * cgraph.c (cgraph_release_function_body): New function.
12419         (cgraph_remove_node): Use it.
12420         * cgraph.h (cgraph_release_function_body): Declare.
12421         * cgraphunit.c (cgraph_expand_function): Use it.
12422         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
12423         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
12424         is initialized and while compilation of other function is running.
12425         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
12426         statement CFG annotations from here to ...
12427         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
12428
12429 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
12430
12431         * cfgloop.h (enum li_flags): Make the constants powers of two.
12432
12433 2007-01-04  Jan Hubicka  <jh@suse.cz>
12434
12435         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
12436         set.
12437         (fold_marked_statements): New function.
12438         (optimize_inline_calls, tree_function_versioning): Fold new statements.
12439         * tree-inline.h (copy_body_data): Add statements_to_fold.
12440
12441 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
12442
12443         * config.gcc: Mention libgcc/config.host.
12444         * Makefile.in: Update comments mentioning libgcc.
12445         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
12446         (all.cross, start.encap, rest.encap, rest.cross): Update
12447         dependencies for libgcc move.
12448         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
12449         (clean-target, clean-target-libgcc): Delete.
12450         (srcdirify, GCC_EXTRA_PARTS): New macros.
12451         (libgcc-support, libgcc.mvars): New rules.
12452         (distclean): Remove mention of mklibgcc.
12453         (install): Don't reference INSTALL_LIBGCC.
12454         (install-common): Don't reference EXTRA_PARTS.
12455         (install-libgcc, install-multilib): Delete rules.
12456         * mklibgcc.in: Delete file.
12457         * doc/configfiles.texi: Don't mention mklibgcc.
12458
12459         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
12460         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
12461         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
12462         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
12463         (mklibgcc, ldblspecs): Likewise.
12464
12465         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
12466         (posixpre.def): Use $(T).
12467         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
12468         (SHLIB_SRC, SHLIB_INSTALL): Delete.
12469         (SHLIB_LINK): Make dummy.
12470         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
12471
12472         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
12473
12474         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
12475         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
12476         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
12477         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
12478
12479         * configure.ac (all_outputs): Remove mklibgcc.
12480         * configure: Regenerated.
12481
12482 2007-01-03  Josh Conner  <jconner@apple.com>
12483
12484         PR middle-end/29683
12485         * calls.c (compute_argument_addresses): Set stack and stack_slot
12486         for partial args, too.
12487         (store_one_arg): Use locate.size.constant for the size when
12488         generating a save_area.
12489
12490 2007-01-03  Robert Kennedy <jimbob@google.com>
12491
12492         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
12493         whose definitions are deleted due to basic block merging.
12494
12495 2007-01-03  Paul Brook  <paul@codesourcery.com>
12496
12497         PR target/16634
12498         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
12499         functions.
12500         (use_return_insn): Return 0 for Thumb interrupt functions.
12501         (print_multi_reg): Add rfe argument for IRQ returns.
12502         (arm_output_epilogue): Pop interrupt return address directly into PC.
12503         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
12504
12505 2007-01-03  Paul Brook  <paul@codesourcery.com>
12506
12507         Merge from sourcerygxx-4_1.
12508         * config/arm/thumb2.md: New file.
12509         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
12510         Thumb-2.
12511         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
12512         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
12513         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
12514         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
12515         tables.
12516         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
12517         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
12518         comptibility.
12519         * config/arm/ieee754-sf.S: Ditto.
12520         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
12521         (thumb1_base_register_rtx_p): ... to this.
12522         (thumb_index_register_rtx_p): Rename...
12523         (thumb1_index_register_rtx_p): ... to this.
12524         (thumb_output_function_prologue): Rename...
12525         (thumb1_output_function_prologue): ... to this.
12526         (thumb_legitimate_address_p): Rename...
12527         (thumb1_legitimate_address_p): ... to this.
12528         (thumb_rtx_costs): Rename...
12529         (thumb1_rtx_costs): ... to this.
12530         (thumb_compute_save_reg_mask): Rename...
12531         (thumb1_compute_save_reg_mask): ... to this.
12532         (thumb_final_prescan_insn): Rename...
12533         (thumb1_final_prescan_insn): ... to this.
12534         (thumb_expand_epilogue): Rename...
12535         (thumb1_expand_epilogue): ... to this.
12536         (arm_unwind_emit_stm): Rename...
12537         (arm_unwind_emit_sequence): ... to this.
12538         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
12539         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
12540         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
12541         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
12542         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
12543         thumb2_output_casesi): New functions.
12544         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
12545         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
12546         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
12547         THUMB2_WORK_REGS): Define.
12548         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
12549         arm_condexec_mask, arm_condexec_masklen)): New variables.
12550         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
12551         (arm_override_options): Check new CPU capabilities.
12552         Set new architecture flag variables.
12553         (arm_isr_value): Handle v7m interrupt functions.
12554         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
12555         Thumb-2.
12556         (const_ok_for_arm): Handle Thumb-2 constants.
12557         (arm_gen_constant): Ditto.  Use movw when available.
12558         (arm_function_ok_for_sibcall): Return false for v7m interrupt
12559         functions.
12560         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
12561         (thumb_find_work_register, arm_load_pic_register,
12562         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
12563         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
12564         print_multi_reg, output_mov_long_double_fpa_from_arm,
12565         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
12566         output_mov_double_fpa_from_arm, output_move_double,
12567         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
12568         output_return_instruction, arm_output_function_prologue,
12569         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
12570         arm_output_mi_thunk, thumb_set_return_address): Ditto.
12571         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
12572         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
12573         (arithmetic_instr, shift_op): Use arm_shift_nmem.
12574         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
12575         '!' and 'L'.
12576         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
12577         (thumb_expand_prologue): Use thumb_set_frame_pointer.
12578         (arm_file_start): Output directive for unified syntax.
12579         (arm_unwind_emit_set): Handle stack alignment instruction.
12580         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
12581         Add v6t2, v7, v7a, v7r and v7m.
12582         (RETLDM): Add Thumb-2 code.
12583         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
12584         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
12585         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
12586         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
12587         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
12588         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
12589         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
12590         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
12591         ADJUST_INSN_LENGTH): Define.
12592         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
12593         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
12594         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
12595         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
12596         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
12597         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
12598         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
12599         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
12600         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
12601         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
12602         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
12603         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
12604         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
12605         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
12606         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
12607         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
12608         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
12609         cortex-m3.
12610         * config/arm/arm-tune.md: Regenerate.
12611         * config/arm/arm-protos.h: Update prototypes.
12612         * config/arm/vfp.md: Enable patterns for Thumb-2.
12613         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
12614         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
12615         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
12616         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
12617         * config/arm/libunwind.S: Add Thumb-2 code.
12618         * config/arm/constraints.md: Update include Thumb-2.
12619         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
12620         * config/arm/ieee754-df.S: Ditto.
12621         * config/arm/bpabi.S: Ditto.
12622         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
12623         * config/arm/predicates.md (low_register_operand,
12624         low_reg_or_int_operand, thumb_16bit_operator): New.
12625         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
12626         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
12627         * config/arm/t-arm-elf: Add armv7 multilib.
12628         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
12629         Include thumb2.md.
12630         (UNSPEC_STACK_ALIGN, ce_count): New.
12631         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
12632         arm_zero_extendsidi2, arm_zero_extendqidi2): New
12633         insns/expanders.
12634         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
12635         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
12636         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
12637         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
12638         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
12639         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
12640         insns.
12641         * doc/extend.texi: Document ARMv7-M interrupt functions.
12642         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
12643
12644 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
12645
12646         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
12647         (struct _Unwind_Context): Rename args_size to flags, remove
12648         signal_frame field, add a new args_size field and version field.
12649         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
12650         _Unwind_IsExtendedContext): New inline functions.
12651         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12652         Assume by_value array is only present if _Unwind_IsExtendedContext.
12653         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
12654         _Unwind_IsSignalFrame.
12655         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
12656         (uw_update_context_1): Use _Unwind_SetSignalFrame.
12657         (uw_init_context_1): Initialize context->flags to
12658         EXTENDED_CONTEXT_BIT.
12659         * config/rs6000/linux-unwind.h (frob_update_context): Use
12660         _Unwind_SetSignalFrame.
12661
12662 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12663
12664         PR middle-end/30353
12665         * gimplify.c (gimplify_modify_expr_complex_part): Move below
12666         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
12667         the value.
12668
12669 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
12670
12671         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
12672         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
12673         RET, AT_SP): Remove.
12674         * config/i386/i386.md (*sse_prologue_save_insn): Use return
12675         instead of RET.
12676
12677         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12678         * cfgbuild.c (find_basic_blocks): Likewise.
12679         * cfgrtl.c (rtl_create_basic_block): Likewise.
12680         * function.c (temp_slots_at_level): Likewise.
12681         * reg-stack.c (stack_regs_mentioned): Likewise.
12682         * regclass.c (allocate_reg_info): Likewise.
12683         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12684         set_bb_for_stmt, move_block_to_fn): Likewise.
12685         * tree-complex.c (tree_lower_complex): Likewise.
12686         * vec.h (VEC_safe_grow_cleared): New.
12687
12688         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
12689
12690 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
12691
12692         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
12693         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
12694         to loop_version.
12695         * cfgloopmanip.c (scale_loop_frequencies): Export.
12696         (loopify): Scale the frequencies by prescribed coefficients.
12697         (set_zero_probability): New function.
12698         (duplicate_loop_to_header_edge): Improve updating of frequencies.
12699         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
12700         and frequencies according to arguments.
12701         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
12702         correctly.
12703         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
12704         * modulo-sched.c (sms_schedule): Set probabilities for entering
12705         versioned loop correctly.
12706         * tree-vect-transform.c (vect_transform_loop): Ditto.
12707         * cfgloop.h (loopify, loop_version): Declaration changed.
12708         (scale_loop_frequencies): Declared.
12709
12710 2007-01-02  Jan Hubicka  <jh@suse.cz>
12711
12712         * cgraph.c: Include tree-flow.h
12713         (cgraph_add_new-function): Handle IPA_SSA mode; execute
12714         early_local_passes.
12715         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
12716         * tree-pass.h (pass_all_early_optimizations): Declare.
12717         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
12718         early_local_passes.
12719         (cgraph_analyze_function): Do early_local_passes.
12720         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
12721         Do not add referenced vars.
12722         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
12723         SSA form.
12724         (gate_all_early_local_passes): New gate.
12725         (pass_early_local_passes): Use new gate.
12726         (execute_early_local_optimizations): New functions.
12727         (gate_all_early_optimizations): New gate.
12728         (pass_all_early_optimizations): New pass.
12729         (execute_free_datastructures): Free SSA only when initialized.
12730         (gate_init_datastructures): Init only when optimizing.
12731         (tree_lowering_passes): Do early local passes when called late.
12732         * tree-profile.c (do_tree_profiling): Don't profile functions added
12733         late.
12734         (do_early_tree_profiling, pass_early_tree_profile): Kill.
12735         * tree-cfg.c (update_modified_stmts): Do not update when operands are
12736         not active.
12737         * passes.c (init_optimizations_passes): Reorder so we go into SSA
12738         during early_local_passes.
12739         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
12740
12741
12742 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
12743
12744         * Makefile.in: Update copyright year.
12745
12746 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
12747
12748         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
12749         in $(lang_checks) and check-consistency targets.
12750
12751 2007-01-02  Jan Hubicka  <jh@suse.cz>
12752
12753         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
12754         Do not add referenced vars.
12755         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
12756         are not active.
12757         * passes.c (init_optimization_passes): Put mudflap_2 after
12758         free_datastructures.
12759
12760 2007-01-02  Jan Hubicka  <jh@suse.cz>
12761
12762         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
12763         Set NOTHROW flag on call statements proved to be nothrow.
12764         Update statement of local calls so new pure/const functions are
12765         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
12766         goto receivers.
12767         (tree_rest_of_compilation): Register hooks and initialize bitmap
12768         early. Do not set after_inlining flag.
12769
12770 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
12771
12772         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
12773         HOST_BITS_PER_LONGLONG
12774
12775 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12776
12777         PR c/19977
12778         * c-typeck.c (store_init_value): Don't emit pedantic overflow
12779         warning for non-static initializers.
12780
12781 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
12782
12783         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
12784         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
12785         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
12786         Always use set_unique_reg_note to add REG_EQUAL notes.
12787
12788 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12789
12790         Revert:
12791         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12792
12793         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12794         * cfgbuild.c (find_basic_blocks): Likewise.
12795         * cfgrtl.c (rtl_create_basic_block): Likewise.
12796         * function.c (temp_slots_at_level): Likewise.
12797         * reg-stack.c (stack_regs_mentioned): Likewise.
12798         * regclass.c (allocate_reg_info): Likewise.
12799         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12800         set_bb_for_stmt, move_block_to_fn): Likewise.
12801         * tree-complex.c (tree_lower_complex): Likewise.
12802         * vec.h (VEC_safe_grow_cleared): New.
12803
12804 2007-01-02  Ian Lance Taylor  <iant@google.com>
12805
12806         * c-common.c (c_common_truthvalue_conversion): When warning about
12807         using an assignment as a truth value, set TREE_NO_WARNING.
12808
12809 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12810
12811         PR middle-end/7651
12812         * c.opt (Wold-style-declaration): New.
12813         * doc/invoke.texi (C-only Warning Options): New.
12814         (Wold-style-declaration): Document it.
12815         (Wextra): Enabled by -Wextra.
12816         * c-opts.c (c_common_post_options): Enabled by -Wextra.
12817         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
12818         -Wold-style-declaration.
12819
12820 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12821
12822         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12823         * cfgbuild.c (find_basic_blocks): Likewise.
12824         * cfgrtl.c (rtl_create_basic_block): Likewise.
12825         * function.c (temp_slots_at_level): Likewise.
12826         * reg-stack.c (stack_regs_mentioned): Likewise.
12827         * regclass.c (allocate_reg_info): Likewise.
12828         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12829         set_bb_for_stmt, move_block_to_fn): Likewise.
12830         * tree-complex.c (tree_lower_complex): Likewise.
12831         * vec.h (VEC_safe_grow_cleared): New.
12832
12833 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
12834
12835         * c-common.c (c_common_nodes_and_builtins): Since variants of
12836         void_type_node get built before it is given a name, we need to
12837         give those variants the name, too.
12838         (complete_array_type): We need to work with the canonical main
12839         type of the array, from which we will build the qualified version.
12840         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
12841         * print-tree.c (print_node): Display canonical type information
12842         for each type.
12843         * stor-layout.c (layout_type): When we don't know the
12844         alignment of a type for which we're building an array, we end up
12845         guessing wrong, so make the type require structural equality.
12846         * tree.c (make_node_stat): When we build a new type, it is its
12847         own canonical type.
12848         (build_type_attribute_qual_variant): When building an attribute
12849         variant, its canonical type is the non-attribute variant. However,
12850         if the attributes are target-dependent and they differ, we need to
12851         use structural equality checks for this type.
12852         (build_qualified_type): A qualified type is not equivalent to its
12853         unqualified variant; set the canonical type appropriately.
12854         (build_distinct_type_copy): When building a distinct type from
12855         another type, the new type is its own canonical type.
12856         (build_variant_type_copy): When building a new type variant, we
12857         assume that it is equivalent to the original type.
12858         (build_pointer_type_for_mode): When building a pointer type, also
12859         build a canonical type pointer.
12860         (build_reference_type_for_mode): When building a reference type,
12861         also build a canonical type reference.
12862         (build_index_type): When we can't hash an index type (e.g.,
12863         because its maximum value is negative), the index type requires
12864         structural equality tests.
12865         (build_array_type): Build the canonical form of an array type.
12866         (build_function_type): Function types require structural equality,
12867         because they contain default arguments, attributes, etc.
12868         (build_method_type_directly): Ditto for method types.
12869         (build_offset_type): Build the canonical offset type.
12870         (build_complex_type): Build the canonical vector type.
12871         (make_vector_type): Build the canonical vector type.
12872         * tree.h (TYPE_CANONICAL): New.
12873         (TYPE_STRUCTURAL_EQUALITY_P): New.
12874         (SET_TYPE_STRUCTURAL_EQUALITY): New.
12875         (struct tree_type): Added "canonical" field.
12876         * params.h (VERIFY_CANONICAL_TYPES): New.
12877         * doc/c-tree.texi (TYPE_CANONICAL): Document.
12878         (TYPE_STRUCTURAL_EQUALITY_P): Document.
12879         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
12880         * doc/invoke.texi (verify-canonical-types): Document --param
12881         parameter for verifying canonical types.
12882
12883 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12884
12885         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
12886         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
12887         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
12888         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
12889         tm_file.
12890         * config/rs6000/e500.h: New.
12891         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
12892         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
12893         Remove.
12894         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
12895         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
12896         TARGET_E500_DOUBLE): Remove.
12897         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
12898         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
12899         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
12900         * config/rs6000/rs6000.c (rs6000_override_options): Use
12901         CHECK_E500_OPTIONS.
12902
12903 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12904
12905         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
12906         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
12907         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
12908         rs6000_emit_cmove): Don't check TARGET_E500.
12909         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
12910         sordered): Don't check TARGET_E500.
12911
12912 2007-01-01  Eric Christopher  <echristo@apple.com>
12913
12914         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
12915         HARD_REGISTER_NUM_P.
12916
12917 2007-01-01  Roger Sayle  <roger@eyesopen.com>
12918
12919         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
12920         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
12921         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
12922         eq/ne Y".
12923
12924 2007-01-01  Mike Stump  <mrs@apple.com>
12925
12926         * configure.ac: Remove support for building with Apple's gcc-3.1.
12927
12928 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12929
12930         PR middle-end/30311
12931         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
12932         REG is a hard register.  Do not modify REG before calling
12933         subreg_nregs.
12934         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
12935         multiple of the size of YMODE for certain lowpart cases.
12936
12937 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12938
12939         PR middle-end/30253
12940         * gimplify (voidify_wrapper_expr): Update for
12941         GIMPLE_MODIFY_STMT.
12942
12943 2007-01-01  Andreas Schwab  <schwab@suse.de>
12944
12945         PR target/29166
12946         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
12947         save of BR0 in extra_spill_size instead of spill_size.
12948         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
12949         area.
12950         (ia64_expand_epilogue): Restore BR0 from its new location.
12951
12952 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12953
12954         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
12955         Use a temporary variable if the left hand side is not a gimple
12956         register.
12957
12958 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12959
12960         * gimplify.c (gimplify_return_expr): Make the temporary variable
12961         for the return expression, a gimple register variable.
12962
12963 2007-01-01  Jan Hubicka  <jh@suse.cz>
12964
12965         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
12966         INSN_LIST.
12967
12968 2007-01-01  Mike Stump  <mrs@apple.com>
12969
12970         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
12971         .literal16.
12972         * config/darwin.c (machopic_select_rtx_section): Use
12973         HAVE_GAS_LITERAL16.
12974         (darwin_mergeable_constant_section): Likewise.
12975         * configure: Regenerate.
12976         * config.in: Regenerate.
12977
12978 2007-01-01  Jan Hubicka  <jh@suse.cz>
12979             Andrew Pinski  <pinskia@gmail.com>
12980
12981         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
12982         before starting IPA passes.