PR c/42544
[official-gcc.git] / gcc / ChangeLog
blob7296dec723bb7054af2103f7421620972931c848
1 2011-03-20  Jakub Jelinek  <jakub@redhat.com>
3         PR c/42544
4         PR c/48197
5         * c-common.c (shorten_compare): If primopN is first sign-extended
6         to opN and then zero-extended to result type, set primopN to opN.
8 2011-03-21  Daniel Jacobowitz  <dan@codesourcery.com>
10         * config/arm/unwind-arm.c (__gnu_unwind_pr_common): Correct test
11         for barrier handlers.
13 2011-03-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
15         * config/rs6000/rs6000.md (UNSPEC_*, UNSPECV_*): Redefine all
16         UNSPEC constants to be in the unspec enumeration, and redefine
17         all UNSPECV constants to be in the unspecv enumeration, so that
18         dumps print which unspec/unspec_volatile this is.
19         * config/rs6000/vector.md (UNSPEC_*): Ditto.
20         * config/rs6000/paired.md (UNSPEC_*): Ditto.
21         * config/rs6000/vsx.md (UNSPEC_*): Ditto.
22         * config/rs6000/altivec.md (UNSPEC_*, UNSPECV_*): Ditto.
23         * config/rs6000/dfp.md (UNSPEC_*): Ditto.
25         * config/rs6000/rs6000.md (UNSPECV_ISYNC, UNSPECV_LWSYNC): Rename
26         UNSPEC_ISYNC and UNSPEC_HWSYNC to UNSPECV_ISYNC and
27         UNSPECV_LWSYNC, since these are used as unspec_volatile.
28         * config/rs6000/sync.md (isync, lwsync): Ditto.
30 2011-03-21  Richard Guenther  <rguenther@suse.de>
32         * params.def (lto-min-partition): Fix typo.
34 2011-03-21  Richard Guenther  <rguenther@suse.de>
36         PR c/47939
37         * c-decl.c (grokdeclarator): Drop to the main variant only
38         for array types.  Drop flag_gen_aux_info check.
40 2011-03-21  Richard Guenther  <rguenther@suse.de>
42         PR translation/47911
43         * params.def (lto-partitions): Fix typo.
44         (lto-min-partition): Fix wording.
46 2011-03-21  Andreas Tobler  <andreast@fgznet.ch>
48         * config/rs6000/t-freebsd: Remove duplication from file.
50 2011-03-21  Richard Guenther  <rguenther@suse.de>
52         PR middle-end/47661
53         * gimple.c (is_gimple_condexpr): Use tree_could_throw_p.
55 2011-03-21  Richard Guenther  <rguenther@suse.de>
57         PR lto/48210
58         * params.def (lto-partitions): Require at least 1 partition.
60 2011-03-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
62         * gthr-solaris.h: Remove.
63         * gthr.h (_SOLARIS_THREADS): Don't include gthr-solaris.h, remove.
64         * config/sol2.h (CPP_SUBTARGET_SPEC): Remove -threads support.
65         (LIB_SPEC): Likewise.
66         * config/sol2.opt (threads): Remove.
67         * config.gcc (i[34567]86-*-solaris2*): Remove solaris threads
68         support.
69         (sparc*-*-solaris2*): Likewise.
70         * configure.ac (enable_threads): Enable solaris support.
71         * configure: Regenerate.
72         * doc/invoke.texi (Option Summary, Solaris 2 Options): Remove
73         -threads.
74         * doc/install.texi (Configuration, --enable-threads=lib): Remove
75         solaris.
77 2011-03-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
79         * config.gcc: Obsolete *-*-solaris2.8*.
80         * doc/install.texi (Specific, *-*-solaris2*): Document it.
82 2011-03-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
84         PR bootstrap/48135
85         * doc/install.texi (Prerequisites, Perl): Remove Glob.pm
86         reference.  Solaris 8 perl works.
88 2011-03-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
90         PR bootstrap/48135
91         * doc/install.texi (Prerequisites): Move jar etc. up.
92         Explain support library version requirements.
94 2011-03-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
96         PR bootstrap/48135
97         * doc/install.texi (Prerequisites): Move Perl to build
98         requirements.  Always necessary on Solaris 2 with Sun ld.
100 2011-03-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
102         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update for
103         binutils 2.21.
104         (Specific, i?86-*-solaris2.[89]): Likewise.
105         (Specific, i?86-*-solaris2.10): Likewise.
106         (Specific, mips-sgi-irix6): Likewise.
107         (Specific, *-*-solaris2*): Remove Sun Studio download URL.
108         Update for binutils 2.21.
110 2011-03-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
112         * configure.ac (gcc_cv_lto_plugin): Fix typo.
113         Allow -fuse-linker-plugin for non-default plugin linker.
114         * configure: Regenerate.
116 2011-03-21  Nicola Pero  <nicola.pero@meta-innovation.com>
118         PR bootstrap/48167
119         * gengtype.c (files_rules): Added rule for cp/parser.h.
121 2011-03-21  Jakub Jelinek  <jakub@redhat.com>
123         PR target/48213
124         * config/s390/s390.c (s390_delegitimize_address): Don't call
125         lowpart_subreg if orig_x has BLKmode.
127 2011-03-21  Kai Tietz  <ktietz@redhat.com>
129         PR target/12171
130         * doc/plugins.texi: Adjust documentation
131         for plugin register_callback.
132         * tree.h (attribute_spec): Add new member
133         affects_type_identity.
134         - Zitierten Text anzeigen -
135         * attribs.c (empty_attribute_table): Adjust
136         attribute_spec initializers.
137         * config/alpha/alpha.c: Likewise.
138         * config/arc/arc.c: Likewise.
139         * config/arm/arm.c: Likewise.
140         * config/avr/avr.c: Likewise.
141         * config/bfin/bfin.c: Likewise.
142         * config/crx/crx.c: Likewise.
143         * config/darwin.h: Likewise.
144         * config/h8300/h8300.c: Likewise.
145         * config/i386/cygming.h: Likewise.
146         * config/i386/i386.c: Likewise.
147         * config/ia64/ia64.c: Likewise.
148         * config/m32c/m32c.c: Likewise.
149         * config/m32r/m32r.c: Likewise.
150         * config/m68hc11/m68hc11.c: Likewise.
151         * config/m68k/m68k.c: Likewise.
152         * config/mcore/mcore.c: Likewise.
153         * config/mep/mep.c: Likewise.
154         * config/microblaze/microblaze.c: Likewise.
155         * config/mips/mips.c: Likewise.
156         * config/rs6000/rs6000.c: Likewise.
157         * config/rx/rx.c: Likewise.
158         * config/sh/sh.c: Likewise.
159         * config/sol2.h: Likewise.
160         * config/sparc/sparc.c: Likewise.
161         * config/spu/spu.c: Likewise.
162         * config/stormy16/stormy16.c: Likewise.
163         * config/v850/v850.c: Likewise.
165 2011-03-21  Chung-Lin Tang  <cltang@codesourcery.com>
167         * simplify-rtx.c (simplify_binary_operation_1): Handle
168         (xor (and A B) C) case when B and C are both constants.
170 2011-03-21  Mingjie Xing  <mingjie.xing@gmail.com>
172         * tree-dfa.c (add_referenced_var): Fix typo in comment.
174 2011-03-20  Eric Botcazou  <ebotcazou@adacore.com>
176         PR bootstrap/48168
177         * config/sparc/sparc.c (sparc_delegitimize_address): Add new pattern.
179 2011-03-20  Jakub Jelinek  <jakub@redhat.com>
181         PR rtl-optimization/48156
182         * df-core.c (df_get_bb_dirty): Use df_lr if df_live is NULL,
183         assume df and df_lr are not NULL.
185 2011-03-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
187         PR debug/48023
188         * config/arm/arm.c (create_fix_barrier): Do not emit a minipool
189         between a call and its CALL_ARG_LOCATION note.
191 2011-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
193         PR debug/48178
194         * config/sh/sh.c (find_barrier): Don't emit a constant pool
195         between a call and its corresponding CALL_ARG_LOCATION note.
197 2011-03-19  Anatoly Sokolov  <aesok@post.ru>
199         * cfgcleanup.c (mark_effect): Use bitmap_set_range/bitmap_clear_range
200         instead of loop. Use HARD_REGISTER_NUM_P predicate.
201         * haifa-sched.c (setup_ref_regs): Ditto.
202         * caller-save.c (add_used_regs_1): Ditto.
203         * dse.c (look_for_hardregs): Ditto.
204         * df-problems.c (df_simulate_one_insn_forwards): Ditto.
205         * sched-rgn.c (check_live_1): Ditto.
207 2011-03-18  Joseph Myers  <joseph@codesourcery.com>
209         * c-decl.c (diagnose_mismatched_decls): Give an error for
210         redefining a typedef with variably modified type.
212 2011-03-18  Joseph Myers  <joseph@codesourcery.com>
214         * c-decl.c (grokfield): Don't allow typedefs for structures or
215         unions with no tag by default.
216         * doc/extend.texi (Unnamed Fields): Update.
218 2011-03-18  Uros Bizjak  <ubizjak@gmail.com>
220         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
221         Rewrite using indirect functions.
222         (lwp_slwpcb): Ditto.
223         * config/i386/sse.md (avx_vextractf128<mode>): Ditto.
224         (avx_vinsertf128<mode>): Ditto.
226 2011-03-18  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
228         * config/s390/s390.c (s390_delegitimize_address): Handle GOTOFF
229         unspecs.
231 2011-03-18  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
233         * config/s390/s390.c (s390_chunkify_start): Prevent literal pool
234         splitting between a call and its corresponding CALL_ARG_LOCATION
235         note.
237 2011-03-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
239         PR rtl-optimization/48170
240         * gcse.c (hoist_code): Remove bogus asserts.
242 2011-03-18  Georg-Johann Lay  <avr@gjlay.de>
244         * ira-color.c (assign_hard_reg): Honor LOCAL_REGNO in cost
245         computation for prologue/epilogue.
247 2011-03-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
249         * Makefile.in (check-consistency): Remove.
251 2011-03-18  Jakub Jelinek  <jakub@redhat.com>
253         PR debug/48176
254         * dwarf2out.c (dwarf2out_finish): Call output_aranges even when
255         arange_table_in_use is 0, but either text_section_used or
256         cold_text_section_used is true.  Don't call it if
257         !info_section_emitted.
259 2011-03-18  Anatoly Sokolov  <aesok@post.ru>
261         * config/avr/avr.h (RET_REGISTER, LIBCALL_VALUE,
262         FUNCTION_VALUE_REGNO_P): Remove.
263         * config/avr/avr-protos.h (avr_ret_register, avr_libcall_value):
264         Remove.
265         * config/avr/avr.c (avr_ret_register): Make static inline.
266         (avr_function_value_regno_p): New function.
267         (avr_libcall_value): Make static. Add 'func' argument.
268         (avr_function_value): Make static. Rename 'func' argument to
269         'fn_decl_or_type', forward it to avr_libcall_value. Call
270         avr_ret_register function instead of RET_REGISTER macro.
271         (TARGET_LIBCALL_VALUE, TARGET_FUNCTION_VALUE_REGNO_P): Define.
273 2011-03-18  Jason Merrill  <jason@redhat.com>
275         PR c++/23372
276         * gimplify.c (gimplify_arg): Strip redundant TARGET_EXPR.
278 2011-03-18  Richard Guenther  <rguenther@suse.de>
280         * doc/install.texi (--enable-gold): Remove.
281         (--with-plugin-ld): Document.
282         * doc/invoke.texi (-fuse-linker-plugin): Clarify.
284 2011-03-18  Andrew Pinski  <pinskia@gmail.com>
286         PR middle-end/47790
287         * expr.c (optimize_bitfield_assignment_op): Revamp to work
288         again after expansion changes.
290 2011-03-18  Chung-Lin Tang  <cltang@codesourcery.com>
292         * combine.c (try_combine): Do simplification only call of
293         subst() on i2 even when i1 is present. Update comments.
295 2011-03-18  Kaz Kojima  <kkojima@gcc.gnu.org>
297         * config/sh/sh.c (sh_delegitimize_address): Handle UNSPEC_SYMOFF
298         and UNSPEC_PCREL_SYMOFF.
300 2011-03-18  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
302         * config/s390/s390.md: Use define_c_enum for the unspec constant
303         definitions.
305 2011-03-18  Richard Henderson  <rth@redhat.com>
306             Jakub Jelinek  <jakub@redhat.com>
308         PR bootstrap/48161
309         * expr.c (expand_expr_addr_expr_1): Use simplify_gen_binary
310         instead of gen_rtx_PLUS if EXPAND_SUM or EXPAND_INITIALIZER.
312 2011-03-17  H.J. Lu  <hongjiu.lu@intel.com>
314         PR middle-end/47725
315         * combine.c (cant_combine_insn_p): Don't check zero/sign
316         extended hard registers.
318 2011-03-17  H.J. Lu  <hongjiu.lu@intel.com>
320         PR middle-end/47725
321         * combine.c (cant_combine_insn_p): Check zero/sign extended
322         hard registers.
324 2011-03-17  Anatoly Sokolov  <aesok@post.ru>
326         * config/v850/v850.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
327         * config/v850/v850-protos.h (v850_output_addr_const_extra): Remove.
328         * config/v850/v850.c (v850_output_addr_const_extra): Make static.
329         Change return type to bool.
330         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
332 2011-03-17  Jakub Jelinek  <jakub@redhat.com>
334         PR debug/48163
335         * var-tracking.c (prepare_call_arguments): If CALL target
336         is a non-SYMBOL_REF CONSTANT_P, just add that into the list as
337         pc instead of looking it up using cselib_lookup and use
338         Pmode for it if x has VOIDmode.
339         * dwarf2out.c (gen_subprogram_die): If also both first and
340         second CONCAT arguments are VOIDmode, use mode of CONCAT itself.
342         PR debug/48163
343         * function.c (assign_parms): For data.passed_pointer parms
344         use MEM of data.entry_parm instead of data.entry_parm itself
345         as DECL_INCOMING_RTL.
346         * dwarf2out.c (rtl_for_decl_location): Use DECL_INCOMING_RTL
347         also when passed and declared mode is the same, DECL_RTL
348         is a MEM with pseudo as address and DECL_INCOMING_RTL is
349         a MEM too.
351 2011-03-16  Jeff Law  <law@redhat.com>
353         PR rtl-optimization/37273
354         * ira-costs.c (scan_one_insn): Detect constants living in memory and
355         handle them like argument loads from stack slots.  Do not double
356         count memory for memory constants and argument loads from stack slots.
358 2011-03-17  H.J. Lu  <hongjiu.lu@intel.com>
360         PR debug/48160
361         * var-tracking.c (prepare_call_arguments): Check SUBREG.
363 2011-03-17  H.J. Lu  <hongjiu.lu@intel.com>
365         PR target/48171
366         * config/i386/i386.opt: Add Save to -mavx and -mfma.
368 2011-03-17  Jakub Jelinek  <jakub@redhat.com>
370         PR bootstrap/48153
371         * dwarf2out.c (mem_loc_descriptor) <case ENTRY_VALUE>: Return NULL
372         if dwarf_strict.
373         (gen_subprogram_die): Don't add call_site DIEs if dwarf_strict.
374         Clear call_arg_locations and call_arg_loc_last always.
376         PR middle-end/48152
377         * var-tracking.c (prepare_call_arguments): If argument needs to be
378         passed by reference, adjust argtype and mode.
380 2011-03-17  Richard Guenther  <rguenther@suse.de>
382         PR middle-end/48134
383         * tree-ssa.c (insert_debug_temp_for_var_def): If we propagated
384         a value make sure to fold the statement.
386 2011-03-17  Chung-Lin Tang  <cltang@codesourcery.com>
388         PR target/43872
389         * config/arm/arm.c (arm_get_frame_offsets): Adjust early
390         return condition with !cfun->calls_alloca.
392 2011-03-17  Richard Guenther  <rguenther@suse.de>
394         PR bootstrap/48148
395         * lto-cgraph.c (input_overwrite_node): Clear the abstract
396         origin for decls in other ltrans units.
397         (input_varpool_node): Likewise.
399 2011-03-17  Richard Guenther  <rguenther@suse.de>
401         PR middle-end/48165
402         * tree-object-size.c (compute_object_offset): Properly return
403         the offset operand of MEM_REFs as sizetype.
405 2011-03-17  Jakub Jelinek  <jakub@redhat.com>
407         PR rtl-optimization/48141
408         * params.def (PARAM_MAX_DSE_ACTIVE_LOCAL_STORES): New.
409         * dse.c: Include params.h.
410         (active_local_stores_len): New variable.
411         (add_wild_read, dse_step1): Clear it when setting active_local_stores
412         to NULL.
413         (record_store, check_mem_read_rtx): Decrease it when removing
414         from the chain.
415         (scan_insn): Likewise.  Increase it when adding to chain, if it
416         reaches PARAM_MAX_DSE_ACTIVE_LOCAL_STORES limit, set to 1 and
417         set active_local_stores to NULL before the addition.
418         * Makefile.in (dse.o): Depend on $(PARAMS_H).
420         PR rtl-optimization/48141
421         * dse.c (record_store): If no positions are needed in an insn
422         that cannot be deleted, at least unchain it from active_local_stores.
424 2011-03-16  Dodji Seketeli  <dodji@redhat.com>
426         PR debug/47510
427         * dwarf2out.c (strip_naming_typedef): Factorize out of ...
428         (lookup_type_die_strip_naming_typedef): ... here.
429         (get_context_die): Use it.
430         (gen_typedef_die): Add a DW_AT_{,MIPS_}linkage_name attribute to
431         the anonymous struct named by the naming typedef.
433 2011-03-16  H.J. Lu  <hongjiu.lu@intel.com>
435         PR target/48154
436         * config/i386/i386.c (ix86_builtin_vectorized_function): Check
437         TARGET_ROUND for BUILT_IN_{FLOOR,CEIL,TRUNC,RINT}{,F} builtins.
439 2011-03-16  Jeff Law  <law@redhat.com>
441         * tree-vrp.c (identify_jump_threads): Slightly simplify type
442         check for operands of conditional.  Allow type to be a pointer.
444 2011-03-16  Richard Guenther  <rguenther@suse.de>
446         PR tree-optimization/48149
447         * fold-const.c (fold_binary_loc): Fold
448         COMPLEX_EXPR <REALPART_EXPR <x>, IMAGPART_EXPR <x>>.
450 2011-03-16  Richard Guenther  <rguenther@suse.de>
452         PR tree-optimization/26134
453         * tree-ssa.c (maybe_rewrite_mem_ref_base): Handle rewriting
454         complex part accesses to REALPART_EXPR and IMAGPART_EXPR.
455         (non_rewritable_mem_ref_base): Handle complex type component
456         accesses, constrain offsets for vector and complex extracts
457         more properly.
459 2011-03-16  Richard Guenther  <rguenther@suse.de>
461         PR tree-optimization/48146
462         * tree-ssa-sink.c (sink_code_in_bb): Manually update virtual
463         operands avoiding the need for renaming.
465 2011-03-16  Richard Guenther  <rguenther@suse.de>
467         * gimple-fold.c (maybe_fold_reference): Open-code relevant
468         constant folding.  Move MEM_REF canonicalization first.
469         Rely on fold_const_aggregate_ref for initializer folding.
470         * tree-ssa-ccp.c (ccp_fold): Handle constant vector extracts.
472 2011-03-16  Jakub Jelinek  <jakub@redhat.com>
474         PR middle-end/48136
475         * fold-const.c (fold_binary_loc) <case EQ_EXPR, NE_EXPR>: Make sure
476         arg0/arg1 or their arguments are always fold converted to matching
477         types.
479         * var-tracking.c (prepare_call_arguments): Add ATTRIBUTE_UNUSED
480         to nargs.
482 2011-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
484         PR lto/46944
485         * configure.ac (gcc_cv_gld_major_version, gcc_cv_gld_minor):
486         Handle in-tree gold.
487         (ld_vers): Extract binutils version for gold.
488         (gcc_cv_ld_hidden): Handle gold here.
489         (gcc_cv_lto_plugin): Determine level of linker plugin support.
490         * configure: Regenerate.
491         * config.in: Regenerate.
492         * gcc.c: Only use LTO plugin if HAVE_LTO_PLUGIN > 0, reject
493         -fuse-linker-plugin otherwise.
494         (LINK_PLUGIN_SPEC): Define.  Extract from LINK_COMMAND_SPEC.
495         (LINK_COMMAND_SPEC): Use it.
496         (main): Only look for LTOPLUGINSONAME if HAVE_LTO_PLUGIN > 0.
498 2011-03-16  Jakub Jelinek  <jakub@redhat.com>
500         * emit-rtl.c (try_split): Don't call copy_call_info debug hook.
501         * calls.c: Remove debug.h include.
502         (emit_call_1): Don't call virtual_call_token debug hook.
503         * dwarf2out.c (debug_dcall_section, debug_vcall_section,
504         dcall_entry, vcall_entry, dcall_table, vcall_table, vcall_insn,
505         vcall_insn_table, DEBUG_DCALL_SECTION, DEBUG_VCALL_SECTION,
506         size_of_dcall_table, output_dcall_table, size_of_vcall_table,
507         output_vcall_table, dwarf2out_direct_call, vcall_insn_table_hash,
508         vcall_insn_table_eq, store_vcall_insn, lookup_vcall_insn,
509         dwarf2out_virtual_call_token, dwarf2out_copy_call_info,
510         dwarf2out_virtual_call): Remove.
511         (dwarf2_debug_hooks): Remove direct_call, virtual_call_token,
512         copy_call_info and virtual_call hooks.
513         (dwarf2out_init): Don't initialize vcall_insn_table,
514         debug_dcall_section and debug_vcall_section.
515         (prune_unused_types): Don't mark nodes from dcall_table.
516         (dwarf2out_finish): Don't output dcall or vcall tables.
517         * final.c (final_scan_insn): Don't call direct_call or
518         virtual_call debug hooks.
519         * debug.h (struct gcc_debug_hooks): Remove direct_call,
520         virtual_call_token, copy_call_info and virtual_call hooks.
521         (debug_nothing_uid): Remove prototype.
522         * sdbout.c (sdb_debug_hooks): Remove direct_call, virtual_call_token,
523         copy_call_info and virtual_call hooks.
524         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
525         * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Likewise.
526         * debug.c (do_nothing_debug_hooks): Likewise.
527         (debug_nothing_uid): Remove.
528         * doc/invoke.texi (-fenable-icf-debug): Remove.
529         * common.opt (-fenable-icf-debug): Likewise.
531         * calls.c (emit_call_1): Set MEM_EXPR on call's MEM.
532         * var-tracking.c (prepare_call_arguments): Use MEM_EXPR on
533         call's MEM.  Handle functions returning aggregate through a hidden
534         first pointer.  For virtual calls add clobbered pc to call arguments
535         chain.
536         * dwarf2out.c (gen_subprogram_die): Emit
537         DW_AT_GNU_call_site_target_clobbered if DW_AT_GNU_call_site_target
538         can't be emitted.
540         PR debug/45882
541         * rtl.def (ENTRY_VALUE): Change format from "e" to "0".
542         * rtl.h (ENTRY_VALUE_EXP): Define.
543         * rtl.c (rtx_equal_p_cb, rtx_equal_p): Handle ENTRY_VALUE.
544         * cselib.c (rtx_equal_for_cselib_p, cselib_hash_rtx): Likewise.
545         * print-rtl.c (print_rtx): Likewise.
546         * gengtype.c (adjust_field_rtx_def): Likewise.
547         * var-tracking.c (vt_add_function_parameter): Adjust
548         gen_rtx_ENTRY_VALUE uses, use ENTRY_VALUE_EXP macro.
549         * dwarf2out.c (mem_loc_descriptor): Use ENTRY_VALUE_EXP macro.
550         * cfgexpand.c (expand_debug_expr): If a SSA_NAME without
551         partition is a default definition of a PARM_DECL, use ENTRY_VALUE
552         of its DECL_INCOMING_RTL if possible, or its DECL_RTL if set.
554         * final.c (final_scan_insn): Handle NOTE_INSN_CALL_ARG_LOCATION.
555         Call var_location debug hook even on CALL_INSNs.
556         (rest_of_clean_state): Don't print NOTE_INSN_CALL_ARG_LOCATION.
557         * rtl.def (ENTRY_VALUE): New.
558         * dwarf2out.c: Include cfglayout.h.
559         (dwarf_stack_op_name, size_of_loc_descr, output_loc_operands,
560         output_loc_operands_raw): Handle DW_OP_GNU_entry_value.
561         (struct call_arg_loc_node): New type.
562         (call_arg_locations, call_arg_loc_last, block_map, call_site_count,
563         tail_call_site_count): New variables.
564         (dwarf_tag_name): Handle DW_TAG_GNU_call_site and
565         DW_TAG_GNU_call_site_parameter.
566         (dwarf_attr_name): Handle DW_AT_GNU_call_site_value,
567         DW_AT_GNU_call_site_data_value, DW_AT_GNU_call_site_target,
568         DW_AT_GNU_call_site_target_clobbered, DW_AT_GNU_tail_call,
569         DW_AT_GNU_all_tail_call_sites, DW_AT_GNU_all_call_sites
570         and DW_AT_GNU_all_source_call_sites.
571         (mem_loc_descriptor): Handle ENTRY_VALUE.
572         (add_src_coords_attributes): Don't add enything if
573         DECL_SOURCE_LOCATION is UNKNOWN_LOCATION.
574         (dwarf2out_abstract_function): Save and clear call_arg_location,
575         call_site_count and tail_call_site_count around dwarf2out_decl call.
576         (gen_call_site_die): New function.
577         (gen_subprogram_die): Emit DW_TAG_GNU_call_site DIEs for call sites.
578         (gen_lexical_block_die, gen_inlined_subroutine_die): Update block_map.
579         (dwarf2out_function_decl): Clear call_arg_locations,
580         call_arg_loc_last, set call_site_count and tail_call_site_count
581         to -1 and free block_map.
582         (dwarf2out_var_location): Handle NOTE_INSN_CALL_ARG_LOCATION and
583         CALL_INSNs.  Add NOTE_DURING_CALL_P var location notes even when not
584         followed by any real instructions.
585         (dwarf2out_begin_function): Set call_site_count and
586         tail_call_site_count to 0.
587         (resolve_addr): If DW_AT_abstract_origin of DW_TAG_GNU_call_site
588         is dw_val_class_addr, attempt to look it up again, for DECL_EXTERNAL
589         attempt to force a DIE for it and worst case remove the attribute.
590         (resolve_one_addr): For TREE_CONSTANT_POOL_ADDRESS_P SYMBOL_REFs
591         check TREE_ASM_WRITTEN of DECL_INITIAL of the decl instead of
592         the decl itself.
593         * var-tracking.c: Include tm_p.h.
594         (vt_stack_adjustments): For calls call note_register_arguments.
595         (argument_reg_set): New variable.
596         (add_stores): For MO_VAL_SET of non-tracked regs from argument_reg_set
597         ensure the VALUE is resolved.
598         (call_arguments): New variable.
599         (prepare_call_arguments): New function.
600         (add_with_sets): For MO_CALL set u.loc from call_arguments and clear it.
601         (struct expand_loc_callback_data): Add ignore_cur_loc field.
602         (vt_expand_loc_callback): If ignore_cur_loc, don't look at cur_loc and
603         always use the best expression.
604         (vt_expand_loc): Add ignore_cur_loc argument.
605         (vt_expand_loc_dummy): Clear ignore_cur_loc field.
606         (emit_note_insn_var_location): Adjust vt_expand_loc callers.
607         (emit_notes_in_bb) <case MO_CALL>: Add NOTE_INSN_CALL_ARG_LOCATION
608         note for all calls.
609         (vt_add_function_parameter): Use cselib_lookup_from_insn.
610         If dv is a VALUE, enter into hash table also ENTRY_VALUE for the
611         argument.  Don't call cselib_preserve_only_values and
612         cselib_reset_table.
613         (note_register_arguments): New function.
614         (vt_initialize): Compute argument_reg_set.  Call
615         vt_add_function_parameters before processing basic blocks instead of
616         afterwards.  For calls call prepare_call_arguments before calling
617         cselib_process_insn.
618         * print-rtl.c (print_rtx): Handle NOTE_INSN_CALL_ARG_LOCATION.
619         * Makefile.in (dwarf2out.o): Depend on $(CFGLAYOUT_H).
620         (var-tracking.o): Depend on $(TM_P_H).
621         * cfglayout.h (insn_scope): New prototype.
622         * gengtype.c (adjust_field_rtx_def): Handle NOTE_INSN_CALL_ARG_LOCATION.
623         * cfglayout.c (insn_scope): No longer static.
624         * insn-notes.def (CALL_ARG_LOCATION): New.
625         * calls.c (expand_call, emit_library_call_value_1): Put USEs for
626         MEM arguments into CALL_INSN_FUNCTION_USAGE unconditionally.
627         * integrate.c (set_block_origin_self, set_block_abstract_flags): Do
628         nothing for DECL_EXTERNAL BLOCK_VARS.
630 2011-03-16  Alan Modra  <amodra@gmail.com>
632         PR target/45844
633         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
634         create invalid offset address for vsx splat insn.
635         * config/rs6000/predicates.md (splat_input_operand): New.
636         * config/rs6000/vsx.md (vsx_splat_*): Use it.
638 2011-03-15  Xinliang David Li  <davidxl@google.com>
640         PR c/47837
641         * tree-ssa-uninit.c (pred_chain_length_cmp): New function.
642         (normalize_preds): New function.
643         (is_use_properly_guarded): Normalize def predicates.
645 2011-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
647         PR target/46788
648         * config/arm/arm.md (arm_movtas_ze): Use 'L' instead of 'c'
649         in the output template.
651 2011-03-15  Richard Guenther  <rguenther@suse.de>
653         PR middle-end/47650
654         * tree-pretty-print.c (dump_function_declaration): Properly
655         dump unprototyped and varargs function types.
657 2011-03-15  Richard Guenther  <rguenther@suse.de>
659         PR tree-optimization/13954
660         * tree-ssa-sccvn.c (vn_reference_lookup_3): Look through memcpy
661         and friends.
663 2011-03-15  Richard Guenther  <rguenther@suse.de>
665         PR tree-optimization/48037
666         * tree-ssa.c (maybe_rewrite_mem_ref_base): Rewrite vector
667         selects into BIT_FIELD_REFs.
668         (non_rewritable_mem_ref_base): Check if a MEM_REF is a
669         vector select.
671 2011-03-15  Jakub Jelinek  <jakub@redhat.com>
673         PR tree-optimization/48129
674         * builtins.c (fold_builtin_snprintf): Convert to type of
675         built_in_decls[BUILT_IN_SNPRINTF] retval instead of
676         implicit_built_in_decls[BUILT_IN_SNPRINTF] retval.
678 2011-03-15  Richard Guenther  <rguenther@suse.de>
680         PR tree-optimization/41490
681         * tree-ssa-dce.c (propagate_necessity): Handle returns without
682         value but with VUSE.
683         * tree-ssa-operands.c (parse_ssa_operands): Add a VUSE on all
684         return statements.
685         * tree-ssa-sink.c (statement_sink_location): Fix store sinking.
686         * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Handle virtual PHIs.
687         * tree-tailcall.c (find_tail_calls): Ignore returns.
689 2011-03-15  Richard Guenther  <rguenther@suse.de>
691         PR middle-end/48031
692         * fold-const.c (fold_indirect_ref_1): Do not create new variable-sized
693         or variable-indexed array accesses when in gimple form.
695 2011-03-15  Richard Guenther  <rguenther@suse.de>
697         * config/i386/i386.c (ix86_emit_swdivsf): Implement more efficiently.
699 2011-03-15  Alan Modra  <amodra@gmail.com>
701         PR target/48032
702         * config/rs6000/rs6000.c (offsettable_ok_by_alignment): Do not
703         presume symbol_refs without a symbol_ref_decl are suitably
704         aligned, nor other trees we may see here.  Handle anchor symbols.
705         (legitimate_constant_pool_address_p): Comment.  Add mode param.
706         Check cmodel=medium addresses.  Adjust all calls.
707         (rs6000_emit_move): Don't call offsettable_ok_by_alignment on
708         creating cmodel=medium optimized access to locals.
709         * config/rs6000/constraints.md (R): Pass QImode to
710         legitimate_constant_pool_address_p.
711         * config/rs6000/predicates.md (input_operand): Pass mode to
712         legitimate_constant_pool_address_p.
713         * config/rs6000/rs6000-protos.h (legitimate_constant_pool_address_p):
714         Update prototype.
716 2011-03-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
718         PR target/48053
719         * config/rs6000/rs6000.md (movdi split for 32-bit): Don't split up
720         64-bit constants being loaded into registers other than GPRs such
721         as loading 0 into a VSX register.
723 2011-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
725         * config/sol2.c (solaris_assemble_visibility): Remove obsolete URLs.
727 2011-03-14  Jakub Jelinek  <jakub@redhat.com>
729         PR middle-end/47917
730         * builtins.c (fold_builtin_snprintf): New function.
731         (fold_builtin_3): Call it for BUILT_IN_SNPRINTF.
732         (fold_builtin_4): Likewise.
734         PR middle-end/38878
735         * fold-const.c (fold_binary_loc) <case EQ_EXPR, NE_EXPR>: Add
736         STRIP_NOPS on arg0 and arg1.  When optimizing X +- C == X
737         and C - X == X also strip nops from +/-/p+ operand.
738         When optimizing -X == C, fold C to arg0's type.
740         PR debug/47946
741         * dwarf2out.c (add_bit_offset_attribute): If bit_offset is negative,
742         emit it as add_AT_int instead of add_AT_unsigned.
744 2011-03-14  Tom Tromey  <tromey@redhat.com>
746         * unwind-dw2.c: Include sys/sdt.h if it exists.
747         (_Unwind_DebugHook): Use STAP_PROBE2.
748         * config.in, configure: Rebuild.
749         * configure.ac: Check for sys/sdt.h.
751 2011-03-14  Uros Bizjak  <ubizjak@gmail.com>
753         * config/i386/i386.md (ROUND_FLOOR): New constant.
754         (ROUND_CEIL): Ditto.
755         (ROUND_TRUNC): Ditto.
756         (ROUND_MXCSR): Ditto.
757         (ROUND_NO_EXC): Ditto.
758         (rint<mode>2): Use new defines instead of numerical constants.
759         (floor<mode>2): Ditto.
760         (ceil<mode>2): Ditto.
761         (btrunc<mode>2): Ditto.
762         * config/i386/i386-builtin-types.def: Define ROUND function type
763         aliases.
764         * config/i386/i386.c (enum ix86_builtins): Add
765         IX86_BUILTIN_{FLOOR,CEIL,TRUNC,RINT}{PS,PD}{,256} defines.
766         (struct builtin_description): Add
767         __builtin_ia32_{floor,ceil,trunc,rint}{pd,ps}{,256} descriptions.
768         (ix86_expand_sse_round): New static function.
769         (ix86_expand_args_builtin): Call ix86_expand_sse_round for ROUND
770         function types.
771         (ix86_builtin_vectorized_function): Handle
772         BUILT_IN_{FLOOR,CEIL,TRUNC,RINT}{,F} builtins.
774 2011-03-14  Tom Tromey  <tromey@redhat.com>
776         * c-parser.c (c_parser_asm_string_literal): Clear
777         warn_overlength_strings.
779 2011-03-14  Tom Tromey  <tromey@redhat.com>
781         * c-parser.c (disable_extension_diagnostics): Save
782         warn_overlength_strings.
783         (restore_extension_diagnostics): Restore warn_overlength_strings.
785 2011-03-14  Jakub Jelinek  <jakub@redhat.com>
787         * BASE-VER: Change to 4.7.0.
789 2011-03-14  Richard Guenther  <rguenther@suse.de>
791         PR middle-end/48098
792         * tree.c (build_vector_from_val): Adjust assert to requirements
793         and reality.
795 2011-03-14  Jakub Jelinek  <jakub@redhat.com>
797         PR bootstrap/48102
798         * graphite-cloog-compat.h (build_cloog_prog): Remove STATE parameter.
800 2011-03-14  Andreas Tobler  <andreast@fgznet.ch>
802         * config/rs6000/freebsd.h: (RELOCATABLE_NEEDS_FIXUP): Define in
803         terms of target_flags_explicit. Adjust copyright year.
805         * config.gcc: Add FreeBSD PowerPC soft-float libgcc bits.
806         * config/rs6000/t-freebsd: New file. Add override for
807         LIB2FUNCS_EXTRA.
809 2011-03-13  Chris Demetriou  <cgd@google.com>
811         * doc/invoke.texi (-fdiagnostics-show-option): Replace with...
812         (-fno-diagnostics-show-option): this, to reflect current default.
813         (-Werror=): Update text about -fno-diagnostics-show-option.
815 2011-03-12  Peter Bergner  <bergner@vnet.ibm.com>
817         PR target/48053
818         * config/rs6000/predicates.md (easy_vector_constant_add_self,
819         easy_vector_constant_msb): Do not handle V2DImode and V2DFmode.
820         * config/rs6000/rs6000.c (const_vector_elt_as_int): Add assert that
821         mode is not V2DImode or V2DFmode.
822         (vspltis_constant): Do not handle V2DImode and V2DFmode.
823         (rs6000_expand_vector_init): Replace copy_to_reg with copy_to_mode_reg.
824         * config/rs6000/rs6000.md (movdi_internal32): Allow setting VSX
825         registers to 0.
826         (movdi_internal64): Likewise.
828 2011-03-12  Sebastian Pop  <sebastian.pop@amd.com>
830         PR tree-optimization/47127
831         * graphite-clast-to-gimple.c (build_cloog_prog): Removed state
832         parameter.
833         (set_cloog_options): Same.
834         (scop_to_clast): Same.
835         (print_clast_stmt): Do not call cloog_state_malloc and
836         cloog_state_free.
837         (print_generated_program): Same.
838         (gloog): Same.
839         * graphite-clast-to-gimple.h (cloog_state): Declared.
840         (scop_to_clast): Adjust declaration.
841         * graphite.c (cloog_state): Defined here.
842         (graphite_initialize): Call cloog_state_malloc.
843         (graphite_finalize): Call cloog_state_free.
845 2011-03-11  Jason Merrill  <jason@redhat.com>
847         * attribs.c (lookup_attribute_spec): Take const_tree.
848         * tree.h: Adjust.
850 2011-03-11  Joseph Myers  <joseph@codesourcery.com>
852         * config/sparc/sparc.c (sparc_option_override): Use
853         PROCESSOR_NIAGARA2 not PROCESSOR_NIAGARA for "niagara2".
855 2011-03-11  Richard Guenther  <rguenther@suse.de>
857         PR tree-optimization/48067
858         * tree-ssa-math-opts.c (convert_mult_to_fma): Verify the
859         multiplication result will be only used once on the target
860         stmt.
862 2011-03-11  Richard Guenther  <rguenther@suse.de>
864         * doc/invoke.texi (max-inline-insns-single): Adjust default value.
866 2011-03-11  Richard Guenther  <rguenther@suse.de>
868         PR lto/48073
869         * tree.c (find_decls_types_r): Do not walk types only reachable
870         from IDENTIFIER_NODEs.
872 2011-03-11  Jakub Jelinek  <jakub@redhat.com>
874         PR middle-end/48044
875         * ipa.c (cgraph_remove_unreachable_nodes): Enqueue
876         all vnode->force_output nodes as needed.
878 2011-03-11  Jason Merrill  <jason@redhat.com>
880         PR c++/48069
881         * tree.c (type_hash_eq): Use COMPLETE_TYPE_P, not
882         COMPLETE_OR_UNBOUND_ARRAY_TYPE_P.
884 2011-03-11  Martin Jambor  <mjambor@suse.cz>
886         * cgraphunit.c (verify_cgraph_node): Call cgraph_get_node instead of
887         cgraph_node.
889 2011-03-11  Jakub Jelinek  <jakub@redhat.com>
891         PR tree-optimization/48063
892         * ipa-inline.c (cgraph_decide_inlining): Don't try to
893         inline functions called once if !tree_can_inline_p (node->callers).
895 2011-03-11  Chen Liqin  <liqin.gcc@gmail.com>
897         * config.gcc (score-*-elf): Add extra_parts .., update tmake_file and
898         extra_objs.
899         * config/score/score3.c: Delete.
900         * config/score/score3.h: Delete.
901         * config/score/mul-div.S: Delete.
902         * config/score/sfp-machine.h: Add new file.
903         * config/score/constraints.md: Add new file.
904         * config/score/t-score-softfp: Add new file.
905         * config/score/t-score-elf: Remove score3.o, do not generate multilib.
906         * config/score/score7.c (score7_const_ok_for_letter_p): Delete.
907         (score7_extra_constraint): Delete.
908         (score7_option_override): Remove unused code.
909         * config/score/score.c: Remove score3 and score5 define and code.
910         * config/score/score.h: Remove score3 and score5 define and code.
911         * config/score/score.md: Remove score3 template and unusual insn.
912         * config/score/score.opt: Remove score3 and score5 options.
914 2011-03-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
916         * config/pa/pa-hpux10.h (TARGET_OS_CPP_BUILTINS): Define _REENTRANT
917         when _HPUX_SOURCE is defined.
918         (LIB_SPEC): Use -lc instead of -lc_r when -threads is specified.
920 2011-03-10  Jason Merrill  <jason@redhat.com>
922         PR c++/48029
923         * stor-layout.c (layout_type): Don't set structural equality
924         on arrays of incomplete type.
925         * tree.c (type_hash_eq): Handle comparing them properly.
927 2011-03-10  Jakub Jelinek  <jakub@redhat.com>
929         PR debug/48043
930         * config/s390/s390.c (s390_delegitimize_address): Make sure the
931         result mode matches original rtl mode.
933 2011-03-10  Nick Clifton  <nickc@redhat.com>
935         * config/rx/rx.md (bitset_in_memory, bitclr_in_memory: Fix timings.
936         (andsi3, andsi3_flags): Fix timings for three operand alternative.
938 2011-03-09  Jakub Jelinek  <jakub@redhat.com>
940         PR rtl-optimization/47866
941         * expr.c (store_field): If MEM_SCALAR_P (target), don't use
942         MEM_SET_IN_STRUCT_P (to_rtx, 1), just set MEM_IN_STRUCT_P (to_rtx)
943         if target wasn't scalar.
944         * function.c (assign_stack_temp_for_type): Assert that neither
945         MEM_SCALAR_P nor MEM_IN_STRUCT_P is set previously, set either
946         MEM_IN_STRUCT_P or MEM_SCALAR_P instead of using MEM_SET_IN_STRUCT_P
947         macro.
948         * rtl.h (MEM_SET_IN_STRUCT_P): Removed.
950 2011-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
952         * config/s390/s390-protos.h (s390_label_align): New prototype.
953         * config/s390/s390.c (s390_label_align): New function.
954         * config/s390/s390.h (LABEL_ALIGN): New target macro definition.
956 2011-03-08  Michael Meissner  <meissner@linux.vnet.ibm.com>
958         PR target/47755
959         * config/rs6000/rs6000.c (easy_altivec_constant): Correctly handle
960         V2DI/V2DF constants.  Only all 0's or all 1's are easy.
961         (output_vec_const_move): Ditto.
963 2011-03-08  Anatoly Sokolov  <aesok@post.ru>
965         * config/mips/mips.h (PREFERRED_RELOAD_CLASS): Remove macro.
966         * config/mips/mips-protos.h (mips_preferred_reload_class): Remove.
967         * config/mips/mips.c (mips_preferred_reload_class): Make static.
968         Change 'rclass' argument and result type to reg_class_t.
969         (TARGET_PREFERRED_RELOAD_CLASS): Define.
971 2011-03-08  Georg-Johann Lay  <avr@gjlay.de>
973        * config/avr/avr.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
974        * config/avr/avr.c (TARGET_REGISTER_MOVE_COST,
975        TARGET_MEMORY_MOVE_COST): Define.
976        (avr_register_move_cost, avr_memory_move_cost): New Functions.
978 2011-03-08  Jakub Jelinek  <jakub@redhat.com>
980         PR debug/47881
981         * ira.c (ira): Call df_analyze again if delete_trivially_dead_insns
982         removed anything.
984         PR tree-optimization/48022
985         * fold-const.c (fold_comparison): Don't call fold_overflow_warning
986         for EQ/NE_EXPR.
988 2011-03-07  Jakub Jelinek  <jakub@redhat.com>
990         PR debug/47991
991         * var-tracking.c (find_use_val): Return NULL for
992         cui->sets && cui->store_p BLKmode MEMs.
994 2011-03-07  Anatoly Sokolov  <aesok@post.ru>
996         * config/stormy16/stormy16.h (PRINT_OPERAND, PRINT_OPERAND_ADDRESS):
997         Remove.
998         * config/stormy16/stormy16-protos.h (xstormy16_print_operand,
999         xstormy16_print_operand_address): Remove.
1000         * config/stormy16/stormy16.c (xstormy16_print_operand,
1001         xstormy16_print_operand_address): Make static.
1002         (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS): Define.
1004 2011-03-07  Pat Haugen  <pthaugen@us.ibm.com>
1006         PR target/47862
1007         * config/rs6000/rs6000.h (HARD_REGNO_CALLER_SAVE_MODE): Define.
1008         * config/rs6000/e500.h (HARD_REGNO_CALLER_SAVE_MODE): Undefine
1009         before definition.
1011 2011-03-07  Zdenek Dvorak  <ook@ucw.cz>
1013         PR bootstrap/48000
1014         * cfgloopmanip.c (fix_bb_placements): Return immediately
1015         if FROM is BASE_LOOP's header.
1017 2011-03-07  Paul Wögerer  <paul_woegerer@mentor.com>
1019         * gimplify.c (gimplify_function_tree): Fix building calls
1020         to __builtin_return_address.
1022 2011-03-07  Alan Modra  <amodra@gmail.com>
1024         * config/rs6000/linux.h (TARGET_ASM_FILE_END): Don't define.
1025         * config/rs6000/linux64.h (TARGET_ASM_FILE_END): Don't define.
1026         * config/rs6000/sysv4.h (TARGET_ASM_FILE_END): Define.
1027         * config/rs6000/rs6000-protos.h (init_cumulative_args): Add fndecl and
1028         return_mode args.
1029         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): Add "escapes".
1030         (INIT_CUMULATIVE_ARGS): Pass FNDECL, VOIDmode.
1031         (INIT_CUMULATIVE_INCOMING_ARGS): Pass current_function_decl, VOIDmode.
1032         (INIT_CUMULATIVE_LIBCALL_ARGS): Pass NULL_TREE, MODE.
1033         * config/rs6000/rs6000.c
1034         (rs6000_elf_end_indicate_exec_stack): Rename to..
1035         (rs6000_elf_file_end): ..this.  Only call file_end_indicate_exec_stack
1036         for POWERPC_LINUX.  Move code emitting .gnu_attribute to here, from..
1037         (rs6000_file_start): ..here.
1038         (rs6000_passes_float, rs6000_passes_vector, rs6000_returns_struct): New
1039         file scope variables.
1040         (call_ABI_of_interest): New function.
1041         (init_cumulative_args): Set above vars when function return value
1042         is a float, vector, or small struct.
1043         (rs6000_function_arg_advance_1): Likewise for function args.
1044         (rs6000_va_start): Set rs6000_passes_float if variable arg function
1045         references float args.
1047 2011-03-07  Mingjie Xing  <mingjie.xing@gmail.com>
1049         * doc/cfg.texi: Remove "See" before @ref.
1050         * doc/invoke.texi: Likewise.
1052 2011-03-05  Jason Merrill  <jason@redhat.com>
1054         * doc/invoke.texi (C++ Dialect Options): Document ABI v5.
1056 2011-03-05  Anthony Green  <green@moxielogic.com>
1058         * config.gcc (moxie-*-elf): Add newlib-stdint.h to tmfile.
1060 2011-03-05  Zdenek Dvorak  <ook@ucw.cz>
1062         PR rtl-optimization/47899
1063         * cfgloopmanip.c (fix_bb_placements): Fix first argument
1064         to flow_loop_nested_p when moving the loop upward.
1066 2011-03-05  Richard Earnshaw  <rearnsha@arm.com>
1068         PR target/47719
1069         * arm.md (movhi_insn_arch4):  Accept any immediate constant.
1071 2011-03-05  Jakub Jelinek  <jakub@redhat.com>
1073         PR tree-optimization/47967
1074         * ipa-cp.c (build_const_val): Return NULL instead of creating
1075         VIEW_CONVERT_EXPR for mismatching sizes.
1076         (ipcp_create_replace_map): Return NULL if build_const_val failed.
1077         (ipcp_insert_stage): If ipcp_create_replace_map returns NULL,
1078         give up on versioning.
1080 2011-03-05  Alan Modra  <amodra@gmail.com>
1082         PR target/47986
1083         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
1084         full cmodel medium/large lo_sum + high addresses.
1086 2011-03-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1088         * config/s390/s390.c (s390_decompose_address): Reject non-literal
1089         pool references in UNSPEC_LTREL_OFFSET.
1091 2011-03-04  Jan Hubicka  <jh@suse.cz>
1093         PR lto/47497
1094         * lto-symtab.c (lto_cgraph_replace_node): Do not set thunk.alias.
1095         (lto_symtab_merge_cgraph_nodes_1): Update thunk.alias pointers here.
1096         * cgraph.h (cgraph_same_body_alias, cgraph_add_thunk):
1097         Add node pointers.
1098         * cgraph.c (cgraph_same_body_alias_1, cgraph_same_body_alias,
1099         cgraph_add_thunk): Add node pointers.
1100         * lto-cgraph.c (lto_output_node): Verify that thunks&aliases are
1101         associated to right node.
1102         (input_node): Update use of cgraph_same_body_alias
1103         and cgraph_add_thunk.
1105 2011-03-04  Changpeng Fang  <changpeng.fang@amd.com>
1107         * config/i386/i386.opt (mprefer-avx128): New flag.
1108         * config/i386/i386.c (ix86_preferred_simd_mode): Prefer 128-bit AVX
1109         modes when the flag -mprefer-avx128 is on.
1111 2011-03-04  Richard Sandiford  <richard.sandiford@linaro.org>
1113         * dwarf2out.c (compare_loc_operands): Fix address handling.
1115 2011-03-04  Alan Modra  <amodra@gmail.com>
1117         * tree.h (TREE_ADDRESSABLE): Update FUNCTION_DECL comment.
1119 2011-03-04  Richard Guenther  <rguenther@suse.de>
1121         PR middle-end/47968
1122         * expmed.c (extract_bit_field_1): Prefer vector modes that
1123         vec_extract patterns can handle.
1125 2011-03-04  Richard Guenther  <rguenther@suse.de>
1127         PR middle-end/47975
1128         * optabs.c (optab_for_tree_code): Do not use VECTOR_MODE_P.
1130 2011-03-04  Richard Henderson  <rth@redhat.com>
1132         * explow.c (emit_stack_save): Remove 'after' parameter.
1133         (emit_stack_restore): Likewise.
1134         * expr.h: Update to match.
1135         * builtins.c, calls.c, stmt.c: Likewise.
1136         * config/alpha/alpha.md, config/avr/avr.md: Likewise.
1137         * config/mips/mips.md, config/pa/pa.md, config/vax/vax.md: Likewise.
1138         * function.c (expand_function_end): Insert the emit_stack_save
1139         sequence before parm_birth_insn instead of after.
1141 2011-03-03  Uros Bizjak  <ubizjak@gmail.com>
1143         * config/i386/sse.md (*avx_pmaddubsw128): Fix mode of VEC_SELECT RTX.
1144         (ssse3_pmaddubsw128): Ditto.
1145         (ssse3_pmaddubsw): Ditto.
1147 2011-03-03  Steve Ellcey  <sje@cup.hp.com>
1149         * config/ia64/t-hpux: Add $(srcdir)/unwind-c.c to LIB2ADDEH
1151 2011-03-03  Jakub Jelinek  <jakub@redhat.com>
1153         PR c/47963
1154         * gimplify.c (omp_add_variable): Only call omp_notice_variable
1155         on TYPE_SIZE_UNIT if it is a DECL.
1157         PR debug/47283
1158         * cfgexpand.c (expand_debug_expr) <case MEM_REF>: If MEM_REF
1159         first operand is not is_gimple_mem_ref_addr, try to fold it.
1160         If the operand still isn't is_gimple_mem_ref_addr, clear
1161         MEM_EXPR on op0.
1163 2011-03-03  Richard Guenther  <rguenther@suse.de>
1165         PR middle-end/47283
1166         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Make code
1167         match comment.
1168         (refs_may_alias_p_1): For release branches return true if
1169         we are confused by our input.
1171 2011-03-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1173         * config/s390/s390.c (s390_function_value): Rename to ...
1174         (s390_function_and_libcall_value): ... this.
1175         (s390_function_value): New function.
1176         (s390_libcall_value): New function.
1177         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Define target hooks.
1178         * config/s390/s390.h (FUNCTION_VALUE, LIBCALL_VALUE): Remove
1179         target macro definitions.
1180         * config/s390/s390-protos.h (s390_function_value): Remove prototype.
1182 2011-03-02  Joseph Myers  <joseph@codesourcery.com>
1184         * config/i386/freebsd64.h (CC1_SPEC): Define.
1185         * config/i386/linux64.h (CC1_SPEC): Define.
1186         * config/i386/x86-64.h (CC1_SPEC): Don't define.
1188 2011-03-02  Anatoly Sokolov  <aesok@post.ru>
1190         * config/stormy16/stormy16.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST):
1191         Remove.
1192         * config/stormy16/stormy16.c: Include reload.h.
1193         (xstormy16_memory_move_cost): New function.
1194         (TARGET_MEMORY_MOVE_COST): Define.
1196 2011-03-02  Richard Sandiford  <richard.sandiford@linaro.org>
1198         PR rtl-optimization/47925
1199         * cse.c (count_reg_usage): Don't ignore the SET_DEST of instructions
1200         with side effects.  Remove the more-specific check for volatile asms.
1202 2011-03-02  Alan Modra  <amodra@gmail.com>
1204         PR target/47935
1205         * config/rs6000/predicates.md (lwa_operand): Check cmodel medium
1206         toc relative addresses for valid offsets.
1208 2011-03-01  Richard Guenther  <rguenther@suse.de>
1210         PR tree-optimization/47890
1211         * tree-vect-loop.c (get_initial_def_for_induction): Set
1212         related stmt properly.
1214 2011-03-01  Richard Guenther  <rguenther@suse.de>
1216         PR lto/47924
1217         * lto-streamer.c (lto_record_common_node): Also register
1218         the canonical type.
1220 2011-03-01  Richard Guenther  <rguenther@suse.de>
1222         PR lto/46911
1223         * lto-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
1224         Do not stream DECL_ABSTRACT_ORIGIN.
1225         (lto_input_ts_block_tree_pointers): Nor BLOCK_SOURCE_LOCATION,
1226         BLOCK_NONLOCALIZED_VARS or BLOCK_ABSTRACT_ORIGIN.
1227         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
1228         Do not stream DECL_ABSTRACT_ORIGIN.
1229         (lto_output_ts_block_tree_pointers): Nor BLOCK_SOURCE_LOCATION,
1230         BLOCK_NONLOCALIZED_VARS or BLOCK_ABSTRACT_ORIGIN.
1232 2011-02-28  Anatoly Sokolov  <aesok@post.ru>
1234         * config/stormy16/stormy16.h (FUNCTION_VALUE, LIBCALL_VALUE,
1235         FUNCTION_VALUE_REGNO_P): Remove.
1236         * config/stormy16/stormy16-protos.h (xstormy16_function_value): Remove.
1237         * config/stormy16/stormy16.c (xstormy16_function_value): Make static.
1238         Add 'outgoing' argument.
1239         (xstormy16_libcall_value, xstormy16_function_value_regno_p): New
1240         function.
1241         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
1242         TARGET_FUNCTION_VALUE_REGNO_P): Define.
1244 2011-02-28  Kai Tietz  <kai.tietz@onevision.com>
1246         PR debug/28047
1247         * dwarf2out.c (file_table_eq): Use filename_cmp instead of strcmp.
1248         (lookup_filename): Likewise.
1249         * final.c (remap_debug_filename): Use filename_ncmp instead of strncmp.
1251 2011-02-28  Bernd Schmidt  <bernds@codesourcery.com>
1252             Jakub Jelinek  <jakub@redhat.com>
1254         PR middle-end/47893
1255         * rtl.h (ASLK_REDUCE_ALIGN, ASLK_RECORD_PAD): Define.
1256         (assign_stack_local_1): Change last argument type to int.
1257         * function.c (assign_stack_local_1): Replace reduce_alignment_ok
1258         argument with kind.  If bit ASLK_RECORD_PAD is not set in it,
1259         don't record padding space into frame_space_list nor use those areas.
1260         (assign_stack_local): Adjust caller.
1261         (assign_stack_temp_for_type): Call assign_stack_local_1 instead
1262         of assign_stack_local, pass 0 as last argument.
1263         * caller-save.c (setup_save_areas): Adjust assign_stack_local_1
1264         callers.
1266 2011-02-28  Jakub Jelinek  <jakub@redhat.com>
1268         PR debug/47283
1269         * cfgexpand.c (convert_debug_memory_address): Add AS parameter.
1270         Use target address_mode and pointer_mode hooks instead of hardcoded
1271         Pmode and ptr_mode.  Handle some simple cases of extending if
1272         POINTERS_EXTEND_UNSIGNED < 0.
1273         (expand_debug_expr) <case MEM_REF, INDIRECT_REF, TARGET_MEM_REF>:
1274         Call convert_debug_memory_address.
1275         (expand_debug_expr) <case ADDR_EXPR>: Pass as to
1276         convert_debug_memory_address.
1278         PR middle-end/46790
1279         * configure.ac (HAVE_LD_EH_GC_SECTIONS_BUG): New test.
1280         * configure: Regenerated.
1281         * config.in: Regenerated.
1282         * varasm.c (default_function_section): Return NULL
1283         if HAVE_LD_EH_GC_SECTIONS_BUG and decl has implicit section name.
1285 2011-02-28  Martin Jambor  <mjambor@suse.cz>
1287         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Fix
1288         the description to match the printed values.
1290 2011-02-28  Richard Guenther  <rguenther@suse.de>
1292         * tree-inline.c (tree_function_versioning): Set BLOCK_SUPERCONTEXT
1293         of the copied scope tree.
1295 2011-02-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1297         * doc/extend.texi (Function Attributes): Avoid deeply (and
1298         wrongly) nested tables.
1300 2011-02-27  Jakub Jelinek  <jakub@redhat.com>
1302         PR middle-end/47903
1303         * real.c (real_arithmetic) <case PLUS_EXPR, MINUS_EXPR,
1304         MULT_EXPR, RDIV_EXPR>: Clear padding bits in *r first if
1305         r isn't op0 nor op1.
1307 2011-02-23  Georg-Johann Lay  <avr@gjlay.de>
1309         * config/avr/avr.md: Remove magic comment for emacs.
1311 2011-02-23  Georg-Johann Lay  <avr@gjlay.de>
1313         PR target/45261
1314         * config/avr/avr.c (avr_option_override): Use error on bad options.
1315         (avr_help): New function.
1316         (TARGET_HELP): Define.
1318 2011-02-22  Georg-Johann Lay  <avr@gjlay.de>
1320         PR target/42240
1321         * config/avr/avr.c (avr_cannot_modify_jumps_p): New function.
1322         (TARGET_CANNOT_MODIFY_JUMPS_P): Define.
1324 2011-02-26  Gerald Pfeifer  <gerald@pfeifer.com>
1326         * doc/invoke.texi (ARC Options): Use CPU instead of cpu.
1327         (ARM Options): Ditto.
1328         (i386 and x86-64 Options): Ditto.
1329         (RX Options): Ditto.
1330         (SPARC Options): Ditto.
1332 2011-02-26  Tijl Coosemans  <tijl@coosemans.org>
1334         * config.gcc (i386-*-freebsd*): Make i486 the default arch on
1335         FreeBSD 6 and later.  Generally use cpu generic.
1337 2011-02-25  Gerald Pfeifer  <gerald@pfeifer.com>
1339         * doc/cpp.texi: Update copyright years.
1341 2011-02-25  Sebastien Bourdeauducq  <sebastien@milkymist.org>
1343         PR target/46898
1344         * config/lm32/lm32.md (ashrsi3): Added needed variable.
1346 2011-02-25  Jon Beniston  <jon@beniston.com>
1348         PR target/46898
1349         * config/lm32/lm32.h (INCOMING_RETURN_ADDR_RTX): New.
1350         * config/lm32/lm32.md (ashlsi3): Remove unused variable.
1351         * config/lm32/lm32.c (TARGET_EXCEPT_UNWIND_INFO): New.
1352         (lm32_block_move_inline): Add type cast to remove warning.
1353         (lm32_expand_prologue): Generate fp in a way compatible with dwarf2out.
1354         (gen_int_relational): Move declarations to start of function.
1356 2011-02-25  Eric Botcazou  <ebotcazou@adacore.com>
1358         PR tree-optimization/45470
1359         * tree-vect-data-refs.c (vect_analyze_data_refs): Fail if a statement
1360         can throw internally only.
1361         * tree-vect-stmts.c (vectorizable_call): Likewise.
1363 2011-02-24  Anatoly Sokolov  <aesok@post.ru>
1365         * config/stormy16/stormy16.h (PREFERRED_RELOAD_CLASS,
1366         PREFERRED_OUTPUT_RELOAD_CLASS): Remove.
1367         * config/stormy16/stormy16-protos.h
1368         (xstormy16_preferred_reload_class): Remove.
1369         * config/stormy16/stormy16.c (xstormy16_preferred_reload_class): Make
1370         static. Change 'rclass' argument and return type to reg_class_t.
1371         (TARGET_PREFERRED_RELOAD_CLASS,
1372         TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.
1374 2011-02-24  Richard Guenther  <rguenther@suse.de>
1376         * lto-streamer-in.c (input_bb): Do not find referenced vars
1377         in debug statements.
1379 2011-02-23  Jason Merrill  <jason@redhat.com>
1381         * common.opt (fabi-version): Document v5 and v6.
1383 2011-02-23  Richard Guenther  <rguenther@suse.de>
1385         PR tree-optimization/47849
1386         * tree-if-conv.c (main_tree_if_conversion): Free postdom info.
1388 2011-02-23  Jie Zhang  <jie@codesourcery.com>
1390         * opts-common.c (decode_cmdline_option): Print empty string
1391         argument as "" in decoded->orig_option_with_args_text.
1392         * gcc.c (execute): Print empty string argument as ""
1393         in the verbose output.
1394         (do_spec_1): Keep empty string argument.
1396 2011-02-23  Nathan Froyd  <froydnj@codesourcery.com>
1398         * config.gcc: Declare score-* and crx-* obsolete.
1400 2011-02-23  Jie Zhang  <jie@codesourcery.com>
1402         PR rtl-optimization/47763
1403         * web.c (web_main): Ignore naked clobber when replacing register.
1405 2011-02-22  Anatoly Sokolov  <aesok@post.ru>
1407         * config/stormy16/stormy16.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P):
1408         Remove.
1410 2011-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1412         PR doc/47848
1413         * doc/invoke.texi: Do not mention -ftree-loop-if-convert-memory-writes.
1415 2011-02-22  Mike Stump  <mikestump@comcast.net>
1417         * acinclude.m4 (gcc_cv_gas_vers): Add -arch ppc for probing darwin
1418         assembler.
1419         * configure: Regenerate.
1421 2011-02-21  Chung-Lin Tang  <cltang@codesourcery.com>
1423         PR rtl-optimization/46002
1424         * ira-color.c (update_copy_costs): Change class intersection
1425         test to reg_class_contents[] test of 'hard_regno'.
1427 2011-02-21  Joseph Myers  <joseph@codesourcery.com>
1429         * config/alpha/osf5.opt (mno-mips-tfile): Mark as Target rather
1430         than Driver option.
1431         * config/hpux11.opt (mt): Likewise.
1432         * config/microblaze/microblaze.opt (mxl-mode-xilkernel): Likewise.
1433         * config/rs6000/xilinx.opt (mno-clearbss, mppcperflib): Likewise.
1434         * config/vax/elf.opt (mno-asm-pic): Likewise.
1435         * config/vms/vms.opt (map, mvms-return-codes): Likewise.
1437 2011-02-21  Mike Stump  <mikestump@comcast.net>
1439         PR target/47822
1440         * config/darwin-protos.h (darwin_init_cfstring_builtins): Return a
1441         tree so we can get save the type.
1442         * config/i386/darwin.h (SUBTARGET_INIT_BUILTINS): Reserve builtin slot
1443         for CFString instead of trying to use past the end of the builtins.
1444         * config/i386/i386.c (IX86_BUILTIN_CFSTRING): Likewise.
1445         * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_CFSTRING): Likewise.
1446         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): Likewise.
1447         * config/darwin.c (DARWIN_BUILTIN_CFSTRINGMAKECONSTANTSTRING):
1448         Rename to darwin_builtin_cfstring.
1449         (darwin_init_cfstring_builtins): Return the built type.
1451 2011-02-21  Uros Bizjak  <ubizjak@gmail.com>
1453         PR target/47840
1454         * config/i386/avxintrin.h (_mm256_insert_epi32): Use _mm_insert_epi32.
1455         (_mm256_insert_epi64): Use _mm_insert_epi64.
1457 2011-02-21  Anatoly Sokolov  <aesok@post.ru>
1459         * config/stormy16/stormy16.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
1460         * config/stormy16/stormy16-protos.h
1461         (xstormy16_mode_dependent_address_p): Remove.
1462         * config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
1463         Make static. Change return type to bool. Change argument type to
1464         const_rtx. Remove dead code.
1465         (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
1467 2011-02-21  Richard Guenther  <rguenther@suse.de>
1469         PR lto/47820
1470         * lto-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
1471         Do not stream DECL_INITIAL for TRANSLATION_UNIT_DECLs.
1472         (lto_input_ts_block_tree_pointers): Hook a BLOCK into the
1473         TUs context.
1474         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
1475         Do not stream DECL_INITIAL for TRANSLATION_UNIT_DECLs.
1477 2011-02-20  Richard Guenther  <rguenther@suse.de>
1479         PR lto/47822
1480         * tree.c (free_lang_data_in_decl): Clean builtins from
1481         the TU decl BLOCK_VARS.
1483 2011-02-19  Alexandre Oliva  <aoliva@redhat.com>
1485         PR debug/47620
1486         PR debug/47630
1487         * haifa-sched.c (fix_tick_ready): Skip tick computation
1488         for debug insns.
1490 2011-02-19  Richard Guenther  <rguenther@suse.de>
1492         PR lto/47647
1493         * lto-streamer-in.c (lto_input_ts_decl_minimal_tree_pointers):
1494         Remove lazy BLOCK_VARS streaming.
1495         (lto_input_ts_block_tree_pointers): Likewise.
1496         * lto-streamer-out.c (lto_output_ts_block_tree_pointers): Likewise.
1498 2011-02-19  Joseph Myers  <joseph@codesourcery.com>
1500         * config.gcc (i[34567]86-pc-msdosdjgpp*): Use i386/djgpp-stdint.h.
1502 2011-02-19  Joseph Myers  <joseph@codesourcery.com>
1504         * config/i386/biarch32.h, config/i386/mach.h,
1505         config/rs6000/aix.opt, config/sh/superh64.h: Remove.
1507 2011-02-19  Jakub Jelinek  <jakub@redhat.com>
1509         PR target/47800
1510         * config/i386/i386.md (peephole2 for shift and plus): Use
1511         operands[1] original mode in the first insn.
1513 2011-02-18  Mike Stump  <mikestump@comcast.net>
1515         * config/t-darwin (TM_H): Add dependency on darwin-sections.def.
1517 2011-02-18  Jan Hubicka  <jh@suse.cz>
1519         PR middle-end/47788
1520         * ipa-inline.c (compute_inline_parameters): Set disregard_inline_limits
1521         to zero when the function is not inlinable at all.
1523 2011-02-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1525         * config.gcc (hppa[12]*-*-hpux11*): Set extra_parts.
1526         * config/pa/stublib.c (pthread_default_stacksize_np, pthread_mutex_lock,
1527         pthread_mutex_unlock, pthread_once): Reinstate pthread stubs.
1528         * config/pa/t-pa-hpux11: Add rules to build pthread stubs.
1529         * config/pa/t-pa64: Likewise.
1530         * config/pa/pa-hpux11.h (LINK_GCC_C_SEQUENCE_SPEC): Define.
1532 2011-02-18  Jakub Jelinek  <jakub@redhat.com>
1534         PR driver/47787
1535         * gcc.c (default_compilers): Clear combinable field for "@cpp-output".
1537 2011-02-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1539         PR target/47792
1540         * gthr-dce.h (__gthread_mutx_destroy): Fix typo in name.
1542 2011-02-18  Anatoly Sokolov  <aesok@post.ru>
1544         * config/m32r/m32r.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
1545         RTX_OK_FOR_BASE_P, RTX_OK_FOR_OFFSET_P, LEGITIMATE_OFFSET_ADDRESS_P,
1546         LEGITIMATE_LO_SUM_ADDRESS_P, LOAD_POSTINC_P, STORE_PREINC_PREDEC_P,
1547         GO_IF_LEGITIMATE_ADDRESS): Remove macros.
1548         * config/m32r/m32r.c (TARGET_LEGITIMATE_ADDRESS_P): Define.
1549         (m32r_rtx_ok_for_base_p, m32r_rtx_ok_for_offset_p,
1550         m32r_legitimate_offset_addres_p, m32r_legitimate_lo_sum_addres_p,
1551         m32r_load_postinc_p, m32r_store_preinc_predec_p,
1552         m32r_legitimate_address_p): New functions.
1553         * config/m32r/constraints.md (constraint "S"): Don't use
1554         STORE_PREINC_PREDEC_P.
1555         (constraint "U"): Don't use LOAD_POSTINC_P.
1557 2011-02-18  Chung-Lin Tang  <cltang@codesourcery.com>
1559         PR rtl-optimization/46178
1560         * ira.c (setup_hard_regno_class): Use ira_class_translate[] to
1561         compute ira_hard_regno_cover_class[].
1563 2011-02-18  Richard Guenther  <rguenther@suse.de>
1565         PR lto/47798
1566         * lto-streamer.h (lto_global_var_decls): Declare.
1567         * lto-streamer-in.c (lto_register_var_decl_in_symtab): Register
1568         statics for global var processing.
1570 2011-02-18  Richard Guenther  <rguenther@suse.de>
1572         PR tree-optimization/47737
1573         * tree-ssa-loop-im.c (extract_true_false_args_from_phi): Fix
1574         edge dominance check.
1576 2011-02-18  Jakub Jelinek  <jakub@redhat.com>
1578         PR debug/47780
1579         * cfgexpand.c (expand_debug_expr) <case SSA_NAME>: Call copy_rtx to
1580         avoid invalid rtx sharing.
1582 2011-02-18  Gerald Pfeifer  <gerald@pfeifer.com>
1584         * doc/cpp.texi (Obsolete Features): Add background on the
1585         origin of assertions.
1587 2011-02-17  Iain Sandoe  <iains@gcc.gnu.org>
1589         * config/darwin-c.c (darwin_cpp_builtins): Define __OBJC2__ for
1590         objc_abi == 2.
1591         * config/darwin.c (output_objc_section_asm_op): Added support for
1592         ABI v1 and v2.
1593         (is_objc_metadata): New.
1594         (darwin_objc2_section): New.
1595         (darwin_objc1_section): New.
1596         (machopic_select_section): Added support for ABI v1 and v2.
1597         (darwin_emit_objc_zeroed): New.
1598         (darwin_output_aligned_bss): Detect objc metadata and treat it
1599         appropriately.
1600         (darwin_asm_output_aligned_decl_common): Same.
1601         (darwin_asm_output_aligned_decl_local): Same.
1602         * config/darwin-sections.def: Updated for ABI v1 and v2.
1603         * config/darwin.h (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): When
1604         compiling Objective-C code for the NeXT runtime, default to using
1605         ABI version 0 for 32-bit, and version 2 for 64-bit.
1607 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
1609         * common.opt (optimize_fast): New Variable.
1610         * opts.c (default_options_optimization): Use opts->x_optimize_fast
1611         instead of local variable ofast.
1613 2011-02-17  Nicola Pero  <nicola.pero@meta-innovation.com>
1615         * doc/invoke.texi (fobjc-abi-version): Documented.
1616         (fobjc-nilcheck): Documented.
1617         (fno-nil-receiver): Updated documentation to refer to the NeXT ABI
1618         version.
1620 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
1622         PR driver/47390
1623         * common.opt (export-dynamic): New Driver option.
1624         * gcc.c (LINK_COMMAND_SPEC): Add comment about %{e*}.
1626 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
1628         * config/rx/rx.h (LIB_SPEC): Match -msim not -msim*.
1630 2011-02-17  Alexandre Oliva  <aoliva@redhat.com>
1631             Jan Hubicka  <jh@suse.cz>
1633         PR debug/47106
1634         PR debug/47402
1635         * cfgexpand.c (account_used_vars_for_block): Remove.
1636         (estimated_stack_frame_size): Use referenced vars.
1637         * tree-inline.c (remap_decl): Only mark VAR_DECLs as referenced
1638         that were referenced in the original function.  Test src_fn
1639         rather than cfun.  Drop redundant get_var_ann.
1640         (setup_one_parameter): Drop redundant get_var_ann.
1641         (declare_return_variable): Likewise.
1642         (copy_decl_for_dup_finish): Mark VAR_DECLs referenced in src_fn.
1643         (copy_arguments_for_versioning): Drop redundant get_var_ann.
1644         * ipa-inline.c (compute_inline_parameters): Do not compute
1645         disregard_inline_limits here.
1646         (compute_inlinable_for_current, pass_inlinable): New.
1647         (pass_inline_parameters): Require PROP_referenced_vars.
1648         * cgraphunit.c (cgraph_process_new_functions): Don't run
1649         compute_inline_parameters explicitly unless function is in SSA form.
1650         (cgraph_analyze_function): Set .disregard_inline_limits.
1651         * tree-sra.c (convert_callers): Compute inliner parameters
1652         only for functions already in SSA form.
1654 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
1656         * config/sparc/sparc.h (CPP_ENDIAN_SPEC): Don't handle
1657         -mlittle-endian-data.
1659 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
1661         * config/sparc/linux64.h (OPTION_DEFAULT_SPECS): Match -mfpu and
1662         -mno-fpu, not -fpu and -no-fpu.
1663         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): Likewise.
1664         * config/sparc/sparc.h (OPTION_DEFAULT_SPECS): Likewise.
1666 2011-02-17  Uros Bizjak  <ubizjak@gmail.com>
1668         PR target/43653
1669         * config/i386/i386.c (ix86_secondary_reload): Handle SSE
1670         input reload with PLUS RTX.
1672 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
1674         * config/mips/mips.opt (mno-mdmx): Use Var(TARGET_MDMX, 0) instead
1675         of InverseVar(MDMX).
1677 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
1679         * config/sh/embed-elf.h (LIBGCC_SPEC): Match -m4-340 instead of
1680         --m4-340.
1682 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
1684         * config/mn10300/mn10300.opt (mno-crt0): New.
1686 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
1688         * config/m68k/uclinux.opt (static-libc): New Driver option.
1690 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
1692         * config/m32c/m32c.h (LIB_SPEC): Match -msim not -msim*.
1694 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
1696         * config/lm32/lm32.h (ASM_SPEC): Use %{muser-enabled} instead of
1697         %{muser-extend-enabled}.
1699 2011-02-16  Richard Guenther  <rguenther@suse.de>
1701         PR tree-optimization/47738
1702         * tree-ssa-loop.c (run_tree_predictive_commoning): Return
1703         the TODO from tree_predictive_commoning.
1705 2011-02-15  Jeff Law  <law@redhat.com>
1707         Revert
1708         2011-01-25  Jeff Law  <law@redhat.com>
1710         PR rtl-optimization/37273
1711         * ira-costs.c (scan_one_insn): Detect constants living in memory and
1712         handle them like argument loads from stack slots.  Do not double
1713         count memory for memory constants and argument loads from stack slots.
1715 2011-02-15  H.J. Lu  <hongjiu.lu@intel.com>
1717         PR middle-end/47725
1718         * combine.c (cant_combine_insn_p): Revert the last change.
1720 2011-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
1722         PR target/47755
1723         * config/rs6000/predicates.md (easy_vector_constant): Allow V2DI
1724         mode for vector constants.  Remove code that checks for TImode.
1726 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
1728         PR debug/47106
1729         PR debug/47402
1730         * cgraph.h (compute_inline_parameters): Return void.
1731         * ipa-inline.c (compute_inline_parameters): Adjust.
1733 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
1735         PR debug/47106
1736         PR debug/47402
1737         * tree-inline.h (estimated_stack_frame_size): Take cgraph node
1738         rather than decl.
1739         * cfgexpand.c (estimated_stack_frame_size): Likewise.
1740         * ipa-inline.c (compute_inline_parameters): Adjust.
1742 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
1744         PR debug/47106
1745         PR debug/47402
1746         * tree-flow.h (FOR_EACH_REFERENCED_VAR): Add FN argument.
1747         Adjust all users.  Pass FN to...
1748         * tree-flow-inline.h (first_referenced_var): ... this.  Add
1749         fn argument.
1750         * ipa-struct-reorg.c: Adjust.
1751         * tree-dfa.c: Adjust.
1752         * tree-into-ssa.c: Adjust.
1753         * tree-sra.c: Adjust.
1754         * tree-ssa-alias.c: Adjust.
1755         * tree-ssa-live.c: Adjust.
1756         * tree-ssa.c: Adjust.
1757         * tree-ssanames.c: Adjust.
1758         * tree-tailcall.c: Adjust.
1760 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
1762         PR debug/47106
1763         PR debug/47402
1764         * tree-flow.h (referenced_var_lookup): Add fn parameter.
1765         Adjust all callers.
1766         * tree-dfa.c (referenced_var_lookup): Use fn instead of cfun.
1767         * tree-flow-inline.h: Adjust.
1768         * gimple-pretty-print.c: Adjust.
1769         * tree-into-ssa.c: Adjust.
1770         * tree-ssa.c: Adjust.
1771         * cfgexpand.c: Adjust.
1773 2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>
1775         * config/iq2000/i2000.h (REG_CLASS_FROM_LETTER): Delete.
1776         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1777         (EXTRA_CONSTRAINT): Delete.
1778         * config/iq2000/constraints.md: New file.
1779         * config/iq2000/iq2000.md: Include it.
1780         (define_insn ""): Delete.
1781         (movsi_internal2, movhi_internal2, movqi_internal2): Delete
1782         unsupported constraint letters from patterns.
1783         (call_value, call_value_internal1): Likewise.
1784         (call_value_multiple_internal1): Likewise.
1786 2011-02-15  Nick Clifton  <nickc@redhat.com>
1788         * config/mn10300/mn10300.c: Include tm-constrs.h.
1789         (struct liw_data): New data structure describing an LIW candidate
1790         instruction.
1791         (extract_bundle): Use struct liw_data.  Allow small integer
1792         operands for some instructions.
1793         (check_liw_constraints): Use struct liw_data.  Remove swapped
1794         parameter.  Add comments describing the checks.  Fix bug when
1795         assigning the source of liw1 to the source of liw2.
1796         (liw_candidate): Delete.  Code moved into extract_bundle.
1797         (mn10300_bundle_liw): Use struct liw_data.  Check constraints
1798         before swapping.
1799         * config/mn10300/predicates.md (liw_operand): New predicate.
1800         Allows registers and small integer constants.
1801         * config/mn10300/constraints.md (O): New constraint.  Accetps
1802         integers in the range -8 to +7 inclusive.
1803         * config/mn10300/mn10300.md (movesi_internal): Add an alternative
1804         for moving a small integer into a register.  Give this alternative
1805         LIW attributes.
1806         (addsi3, subsi3, cmpsi, lshrsi3, ashrsi3): Likewise.
1807         (ashlsi3): Likewise, plus give LIW attributes to the alternatives
1808         using the J,K,L and M constraints,
1809         (liw): Remove SI mode on second operands to allow for HI and QI
1810         mode values.
1811         (cmp_liw, liw_cmp): Likewise.  Plus fix order of operands in the
1812         instruction.
1814 2011-02-15  H.J. Lu  <hongjiu.lu@intel.com>
1816         PR middle-end/47725
1817         * combine.c (cant_combine_insn_p): Check zero/sign extended
1818         hard registers.
1820 2011-02-15  Richard Guenther  <rguenther@suse.de>
1822         PR tree-optimization/47743
1823         * tree-ssa-pre.c (phi_translate_1): If we didn't get a value-number
1824         for a non-type-compatible VN lookup bail out.
1826 2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>
1828         * config/fr30/constraints.md: New file.
1829         * config/fr30/fr30.md: Include it.
1830         * config/fr30/fr30.h (REG_CLASS_FROM_LETTER): Delete.
1831         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1832         (EXTRA_CONSTRAINT): Delete.
1834 2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>
1836         * config/frv/constraints.md: New file.
1837         * config/frv/predicates.md: Include it.
1838         * config/frv/frv.c (reg_class_from_letter): Delete.
1839         (frv_option_override): Don't initialize it.
1840         * config/frv/frv.h (REG_CLASS_FROM_LETTER): Delete.
1841         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K): Delete.
1842         (CONST_OK_FOR_L, CONST_OK_FOR_M, CONST_OK_FOR_N): Delete.
1843         (CONST_OK_FOR_O, CONST_OK_FOR_P, CONST_OK_FOR_LETTER_P): Delete.
1844         (CONST_DOUBLE_OK_FOR_G, CONST_DOUBLE_OK_FOR_H): Delete.
1845         (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1846         (EXTRA_CONSTRAINT_FOR_Q, EXTRA_CONSTRAINT_FOR_R): Delete.
1847         (EXTRA_CONSTRAINT_FOR_S, EXTRA_CONSTRAINT_FOR_T): Delete.
1848         (EXTRA_CONSTRAINT_FOR_U, EXTRA_CONSTRAINT): Delete.
1849         (EXTRA_MEMORY_CONSTRAINT, CONSTRAINT_LEN): Delete.
1850         (REG_CLASS_FROM_CONSTRAINT): Delete.
1852 2011-02-15  Jakub Jelinek  <jakub@redhat.com>
1854         PR middle-end/47581
1855         * config/i386/i386.c (ix86_compute_frame_size): Don't align offset
1856         if frame size is 0 in a leaf function.
1858 2011-02-15  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1860         PR pch/14940
1861         * config/alpha/host-osf.c: New file.
1862         * config/alpha/x-osf: New file.
1863         * config.host (alpha*-dec-osf*): Use it.
1865 2011-02-14  Anatoly Sokolov  <aesok@post.ru>
1867         * config/rx/rx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
1868         * config/rx/rx-protos.h (rx_is_mode_dependent_addr): Remove.
1869         * config/xtensa/xtensa.c (rx_is_mode_dependent_addr): Rename to...
1870         (rx_mode_dependent_address_p): ...this. Make static. Change argument
1871         type to const_rtx.
1872         (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
1874 2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>
1876         * config/stormy16/constraints.md: New file.
1877         * config/stormy16/predicates.md (nonimmediate_nonstack_operand):
1878         Use satisfies_constraint_Q and satisfies_constraint_R.
1879         * config/stormy16/stomry16-protos.h (xstormy16_extra_constraint_p):
1880         Delete.
1881         (xstormy16_legitiamte_address_p): Declare.
1882         * config/stormy16/stormy16.h (REG_CLASS_FROM_LETTER): Delete.
1883         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1884         (EXTRA_CONSTRAINT): Delete.
1885         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
1886         Un-staticize.
1887         (xstormy16_extra_constraint_p): Delete.
1889 2011-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1891         PR tree-optimization/46494
1892         * loop-unroll.c (split_edge_and_insert): Adjust comment.
1893         * loop-init.c (loop_optimizer_finalize): Do not call verify_flow_info.
1894         (pass_rtl_loop_done): Add TODO_verify_flow.
1895         * fwprop.c (pass_rtl_fwprop): Likewise.
1896         * modulo-sched.c (pass_sms): Likewise.
1897         * tree-ssa-dom.c (pass_dominator): Likewise.
1898         * tree-ssa-loop-ch.c (pass_ch): Likewise.
1899         * tree-ssa-loop.c (pass_complete_unrolli): Likewise.
1900         (pass_tree_loop_done): Likewise.
1901         * tree-ssa-pre.c (execute_pre): Likewise.
1902         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
1903         * tree-ssa-sink.c (pass_sink_code): Likewise.
1904         * tree-vrp.c (pass_vrp): Likewise.
1906 2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>
1908         * config/v850/constraints.md: New file.
1909         * config/v850/v850.md: Include it.
1910         * config/v850/predicates.md (reg_or_0_operand): Use
1911         satisfies_constraint_G.
1912         (special_symbolref_operand): Use satisfies_constraint_K.
1913         * config/v850/v850.h (CONSTANT_ADDRESS_P): Use constraint_satisfied_p.
1914         (GO_IF_LEGITIMATE_ADDRESS): Likewise.
1915         (REG_CLASS_FROM_LETTER, INT_7_BITS, INT_8_BITS): Delete.
1916         (CONST_OK_FOR_P, CONST_OK_FOR_LETTER_P): Delete.
1917         (EXTRA_CONSTRAINT): Delete.
1918         (CONST_OK_FOR_I, CONST_OK_FOR_J): Use insn_const_int_ok_for_constraint.
1919         (CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M): Likewise.
1920         (CONST_OK_FOR_N, CONST_OK_FOR_O): Likewise.
1922 2011-02-14  Anatoly Sokolov  <aesok@post.ru>
1924         PR target/47696
1925         * config/avr/avr-devices.c (avr_mcu_types): Fix ATmega2560 device
1926         description.
1928 2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>
1930         * config/mcore/constraints.md: New file.
1931         * config/mcore/mcore.md: Include it.
1932         * config/mcore/mcore.c (reg_class_from_letter): Delete.
1933         * config/mcore/mcore.h (reg_class_from_letter): Delete.
1934         (REG_CLASS_FROM_LETTER): Delete.
1935         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_L): Use
1936         insn_const_int_ok_for_constraint.
1937         (CONST_OK_FOR_K, CONST_OK_FOR_M, CONST_OK_FOR_N): Likewise.
1938         (CONST_OK_FOR_O, CONST_OK_FOR_P): Likewise.
1939         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1940         (EXTRA_CONSTRAINT): Delete.
1942 2011-02-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1944         PR ada/41929
1945         * config/sparc/sol2-unwind.h: Include <sys/frame.h>, <sys/stack.h>
1946         (IS_SIGHANDLER): Define.
1947         (sparc64_is_sighandler): New function, split off from
1948         sparc64_fallback_frame_state.
1949         (sparc_is_sighandler): New function, split off from
1950         sparc_fallback_frame_state.
1951         (sparc64_fallback_frame_state): Merge with ...
1952         (sparc_fallback_frame_state): ... this into ...
1953         (MD_FALLBACK_FRAME_STATE_FOR): ... this.
1954         Change new_cfa to long.  Remove regs_off, fpu_save_off, fpu_save.
1955         Define nframes, mctx.  Use IS_SIGHANDLER, handler_args, mctx, walk
1956         stack instead of hardcoded offsets.
1958 2011-02-14  Andriy Gapon  <avg@freebsd.org>
1960         PR target/45808
1961         * config/freebsd-spec.h (FBSD_LIB_SPEC): Handle the shared case.
1963 2011-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1965         * configure: Regenerate.
1967 2011-02-12  Joseph Myers  <joseph@codesourcery.com>
1969         PR driver/45731
1970         * gcc.c (asm_options): Correct spec matching --target-help.
1972 2011-02-12  Martin Jambor  <mjambor@suse.cz>
1974         * tree-cfg.c (verify_gimple_call): Return true upon invalid argument
1975         to gimple call error.
1977 2011-02-12  Mike Stump  <mikestump@comcast.net>
1979         * config/frv/frv.h (TRANSFER_FROM_TRAMPOLINE): Canonicalize
1980         comments in backslash regions.
1982 2011-02-12  Mike Stump  <mikestump@comcast.net>
1983             Jakub Jelinek  <jakub@redhat.com>
1984             Iain Sandoe  <iains@gcc.gnu.org>
1986         PR target/47324
1987         * dwarf2out.c (output_cfa_loc): When required, apply the
1988         DWARF2_FRAME_REG_OUT macro to adjust register numbers.
1989         (output_loc_sequence): Likewise.
1990         (output_loc_operands_raw): Likewise.
1991         (output_loc_sequence_raw): Likewise.
1992         (output_cfa_loc): Likewise.
1993         (output_loc_list): Suppress register number adjustment when
1994         calling output_loc_sequence()
1995         (output_die): Likewise.
1997 2011-02-12  Anatoly Sokolov  <aesok@post.ru>
1999         * config/xtensa/xtensa.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST):
2000         Remove macros.
2001         * config/xtensa/xtensa.c (xtensa_register_move_cost,
2002         xtensa_memory_move_cost): New functions.
2003         (TARGET_REGISTER_MOVE_COST, TARGET_REGISTER_MOVE_COST): Define.
2005 2011-02-12  Alexandre Oliva  <aoliva@redhat.com>
2007         PR lto/47225
2008         * configure.ac (gcc_cv_lto_plugin): Test for liblto_plugin.la
2009         in the current directory.
2010         * configure: Rebuilt.
2012 2011-02-12  Iain Sandoe  <iains@gcc.gnu.org>
2014         * config/darwin.c (darwin_override_options): Add a hunk missed
2015         from the commit of r168571.  Trim comment line lengths and
2016         correct indents of the preceding block.
2018 2011-02-12  Iain Sandoe  <iains@gcc.gnu.org>
2020         * gcc.c (driver_handle_option): Concatenate the argument to -F with
2021         the switch.
2023 2011-02-11  Joseph Myers  <joseph@codesourcery.com>
2025         * common.opt (nostartfiles): New Driver option.
2027 2011-02-11  Xinliang David Li  <davidxl@google.com>
2029         PR tree-optimization/47707
2030         * tree-chrec.c (convert_affine_scev): Keep type precision.
2032 2011-02-11  Eric Botcazou  <ebotcazou@adacore.com>
2034         PR tree-optimization/47420
2035         * ipa-split.c (visit_bb): Punt on any kind of GIMPLE_RESX.
2037 2011-02-11  Pat Haugen  <pthaugen@us.ibm.com>
2039         PR rtl-optimization/47614
2040         * rtl.h (check_for_inc_dec): Declare.
2041         * dse.c (check_for_inc_dec): Externalize...
2042         * postreload.c (reload_cse_simplify): ...use it before deleting stmt.
2043         (reload_cse_simplify_operands): Don't simplify opnds with side effects.
2045 2011-02-11  Joseph Myers  <joseph@codesourcery.com>
2047         PR driver/47678
2048         * gcc.c (main): Do not compile inputs if there were errors in
2049         option handling.
2050         * opts-common.c (read_cmdline_option): Check for wrong language
2051         after other error checks.
2053 2011-02-11  Nathan Froyd  <froydnj@codesourcery.com>
2055         * cgraph.c: Fix comment typos.
2056         * cgraph.h: Likewise.
2057         * cgraphunit.c: Likewise.
2058         * ipa-cp.c: Likewise.
2059         * ipa-inline.c: Likewise.
2060         * ipa-prop.c: Likewise.
2061         * ipa-pure-const.c: Likewise.
2062         * ipa-ref.c: Likewise.
2063         * ipa-reference.c: Likewise.
2065 2011-02-11  Jakub Jelinek  <jakub@redhat.com>
2067         PR debug/47684
2068         * tree-predcom.c (single_nonlooparound_use): Ignore debug uses.
2070 2011-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2072         PR testsuite/47400
2073         * doc/sourcebuild.texi (Require Support): Document
2074         dg-require-ascii-locale.
2076 2011-02-11  Mingjie Xing  <mingjie.xing@gmail.com>
2078         * doc/lto.texi (Write summary): Fix missing parentheses.
2080 2011-02-10  DJ Delorie  <dj@redhat.com>
2082         * config/m32c/m32c.c (m32c_option_override): Disable
2083         -fcombine-stack-adjustments until flag value tracking and compare
2084         optimization can be rewritten.
2086 2011-02-10  Peter Bergner  <bergner@vnet.ibm.com>
2088         * config/rs6000/linux64.h (PROCESSOR_DEFAULT): Change to
2089         PROCESSOR_POWER7.
2090         (PROCESSOR_DEFAULT64): Likewise.
2092 2011-02-10  Richard Henderson  <rth@redhat.com>
2094         * config/rx/predicates.md (rx_zs_comparison_operator): Revert
2095         change from 2011-02-03.
2096         * config/rx/rx.c (flags_from_code): Likewise.
2097         (rx_print_operand) ['B']: For LT/GE, use lt/ge if overflow flag
2098         is valid, n/pz otherwise.
2099         (rx_select_cc_mode): Return CCmode if Y is not zero.
2101 2011-02-10  Richard Guenther  <rguenther@suse.de>
2103         * tree-ssa-structalias.c (bitpos_of_field): Use BITS_PER_UNIT, not 8.
2105 2011-02-10  Richard Guenther  <rguenther@suse.de>
2107         PR tree-optimization/47677
2108         * tree-vrp.c (vrp_bitmap_equal_p): Fix comparison of empty bitmaps.
2110 2011-02-10  Jakub Jelinek  <jakub@redhat.com>
2112         PR target/47665
2113         * combine.c (make_compound_operation): Only change shifts into
2114         multiplication for SCALAR_INT_MODE_P.
2116 2011-02-10  Jie Zhang  <jie@codesourcery.com>
2118         PR testsuite/47622
2119         Revert
2120         2011-02-05  Jie Zhang  <jie@codesourcery.com>
2121         PR debug/42631
2122         * web.c (entry_register): Don't clobber the number of the
2123         first uninitialized reference in used[].
2125 2011-02-09  Richard Guenther  <rguenther@suse.de>
2127         PR tree-optimization/47664
2128         * ipa-inline.c (cgraph_decide_inlining_incrementally): Visit
2129         all edges again.
2131 2011-02-09  David Edelsohn  <dje.gcc@gmail.com>
2133         PR target/46481
2134         PR target/47032
2135         * config/rs6000/aix61.h (PROCESSOR_DEFAULT): Change to
2136         PROCESSOR_POWER7.
2137         (PROCESSOR_DEFAULT64): Same.
2138         (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Delete.
2140 2011-02-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2142         * config/mips/iris6.h (TARGET_C99_FUNCTIONS): Define.
2144 2011-02-09  Martin Jambor  <mjambor@suse.cz>
2146         PR middle-end/45505
2147         * tree-sra.c (struct access): New flags grp_scalar_read and
2148         grp_scalar_write.  Changed description of assignment read and write
2149         flags.
2150         (dump_access): Dump new flags, reorder all of them.
2151         (sort_and_splice_var_accesses): Set the new flag accordingly, use them
2152         to detect multiple scalar reads.
2153         (analyze_access_subtree): Use the new scalar read write flags instead
2154         of the old flags.  Adjusted comments.
2156 2011-02-08  DJ Delorie  <dj@redhat.com>
2158         PR target/47548
2159         * config/m32c/m32c.c (m32c_subreg): Don't try to validate interim
2160         patterns.
2162 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
2164         * config/m68k/uclinux.opt: New.
2165         * config.gcc (m68k-*-uclinux*): Use m68k/uclinux.opt.
2167 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
2169         * config/cris/elf.opt (sim): New Driver option.
2171 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
2173         * config/xtensa/elf.opt: New.
2174         * config.gcc (xtensa*-*-elf*): Use xtensa/elf.opt.
2176 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
2178         * config/vax/elf.opt: New.
2179         * config.gcc (vax-*-linux*, vax-*-netbsdelf*): Use vax/elf.opt.
2181 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
2183         * config/rs6000/aix64.opt (posix, pthread): New Driver options.
2185 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
2187         * config/gnu-user.opt: New.
2188         * config.gcc (*-*-linux* | frv-*-*linux* | *-*-kfreebsd*-gnu |
2189         *-*-knetbsd*-gnu | *-*-gnu* | *-*-kopensolaris*-gnu,
2190         *-*-uclinux*): Use gnu-user.opt.
2192 2011-02-08  Thomas Schwinge  <thomas@schwinge.name>
2194         * config/gnu.h (CPP_SPEC, LIB_SPEC): Remove handling of -bsd option.
2195         * config/i386/gnu.h (CPP_SPEC): Likewise.
2197 2011-02-08  Ian Lance Taylor  <iant@google.com>
2199         * common.opt (fcx-limited-range): Add SetByCombined flag.
2200         (ffinite-math-only, fmath-errno, frounding-math): Likewise.
2201         (fsignaling-nans, fsigned-zeros, ftrapping-math): Likewise.
2202         (fassociative-math, freciprocal-math): Likewise.
2203         (funsafe-math-optimizations): Likewise.
2204         * opth-gen.awk: Handle SetByCombined.
2205         * optc-gen.awk: Likewise.
2206         * opts.c (set_fast_math_flags): Don't override flag if set by frontend.
2207         (set_unsafe_math_optimizations_flags): Likewise.
2208         * doc/options.texi (Option properties): Document SetByCombined.
2210 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
2212         * config.gcc (arc-*, alpha*-*-gnu*, arm*-*-netbsd*, arm-*-pe*,
2213         i[34567]86-*-interix3*, i[34567]86-*-netbsd*, i[34567]86-*-pe,
2214         m68hc11-*-*, m6811-*-*, m68hc12-*-*, m6812-*-*,
2215         m68k-*-uclinuxoldabi*, mcore-*-pe*, powerpc*-*-gnu*,
2216         sh*-*-symbianelf*, vax-*-netbsd*): Mark obsolete.
2218 2011-02-08  Sebastian Pop  <sebastian.pop@amd.com>
2220         PR tree-optimization/46834
2221         PR tree-optimization/46994
2222         PR tree-optimization/46995
2223         * graphite-sese-to-poly.c (used_outside_reduction): New.
2224         (detect_commutative_reduction): Call used_outside_reduction.
2225         (rewrite_commutative_reductions_out_of_ssa_close_phi): Call
2226         translate_scalar_reduction_to_array only when at least one
2227         loop-phi/close-phi tuple has been detected.
2229 2011-02-08  Richard Guenther  <rguenther@suse.de>
2231         PR middle-end/47639
2232         * tree-vect-generic.c (expand_vector_operations_1): Update
2233         stmts here ...
2234         (expand_vector_operations): ... not here.  Cleanup EH info
2235         and the CFG if required.
2237 2011-02-08  Richard Guenther  <rguenther@suse.de>
2239         PR tree-optimization/47641
2240         * tree-ssa.c (execute_update_addresses_taken): For asm outputs
2241         require type compatibility.
2243 2011-02-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2245         * gimple-low.c (lower_function_body): Don't remove the location of
2246         the return statement here.
2247         (lower_gimple_return): Do it here instead but only if the return
2248         statement is actually used twice.
2250 2011-02-08  Richard Guenther  <rguenther@suse.de>
2252         PR tree-optimization/47632
2253         * tree-ssa-forwprop.c (remove_prop_source_from_use): Remove
2254         unused up_to_stmt parameter, return whether cfg-cleanup is
2255         necessary, remove EH info properly.
2256         (forward_propagate_into_gimple_cond): Adjust caller.
2257         (forward_propagate_into_cond): Likewise.
2258         (forward_propagate_comparison): Likewise.
2259         (tree_ssa_forward_propagate_single_use_vars): Make
2260         forward_propagate_comparison case similar to the two others.
2262 2011-02-08  Nick Clifton  <nickc@redhat.com>
2264         * config/mn10300/mn10300.opt (mliw): New command line option.
2265         * config/mn10300/mn10300.md (UNSPEC_LIW): New unspec.
2266         (liw_bundling): New automaton.
2267         (liw): New attribute.
2268         (liw_op): New attribute.
2269         (liw_op1, liw_op2, liw_both, liw_either): New reservations.
2270         (movsi_internal): Add LIW attributes.
2271         (andsi3): Likewise.
2272         (iorsi3): Likewise.
2273         (xorsi3): Likewise.
2274         (addsi3): Separate register and immediate alternatives.
2275         Add LIW attributes.
2276         (subsi3): Likewise.
2277         (cmpsi): Likewise.
2278         (aslsi3): Likewise.
2279         (lshrsi3): Likewise.
2280         (ashrsi3): Likewise.
2281         (liw): New pattern.
2282         * config/mn10300/mn10300.c (liw_op_names): New
2283         (mn10300_print_operand): Handle 'W' operand descriptor.
2284         (extract_bundle): New function.
2285         (check_liw_constraints): New function.
2286         (liw_candidate): New function.
2287         (mn10300_bundle_liw): New function.
2288         (mn10300_reorg): New function.
2289         (TARGET_MACHINE_DEPENDENT_REORG): Define.
2290         (TARGET_DEFAULT_TARGET_FLAGS): Add MASK_ALLOW_LIW.
2291         * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Define
2292         __LIW__ or __NO_LIW__.
2293         * doc/invoke.texi: Describe the -mliw command line option.
2295 2011-02-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2297         * config.gcc (hppa[12]*-*-hpux11*): Don't set extra_parts.
2298         * config/pa/stublib.c (pthread_default_stacksize_np, pthread_mutex_lock,
2299         pthread_mutex_unlock): Remove.
2300         * config/pa/t-pa-hpux11: Remove rules to build pthread stubs.
2301         * config/pa/t-pa64: Likewise.
2302         * config/pa/pa64-hpux.h (LIB_SPEC): In static links, link against
2303         shared libc if not linking against libpthread.
2304         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2306 2011-02-07  Iain Sandoe  <iains@gcc.gnu.org>
2308         PR target/47558
2309         * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Put -lSystem first
2310         on 10.6 and later to ensure that we always use the unwinder from
2311         the system.  Only add -no_compact_unwind when tarteting darwin
2312         10.6 or later.
2314 2011-02-07  Steve Ellcey  <sje@cup.hp.com>
2316         PR target/46997
2317         * vect.md (vec_interleave_highv2sf): Change fmix for TARGET_BIG_ENDIAN.
2318         (vec_interleave_lowv2sf): Ditto.
2319         (vec_extract_evenv2sf): Add TARGET_BIG_ENDIAN check.
2320         (vec_extract_oddv2sf): Ditto.
2322 2011-02-07  Mike Stump  <mikestump@comcast.net>
2324         PR target/42333
2325         Add __ieee_divdc3 entry point.
2326         * config/i386/darwin.h (DECLARE_LIBRARY_RENAMES): Retain ___divdc3
2327         entry point.
2328         (SUBTARGET_INIT_BUILTINS): Call darwin_rename_builtins.
2329         * config/i386/i386.c (TARGET_INIT_LIBFUNCS): Likewise.
2330         * config/darwin.c (darwin_rename_builtins): Add.
2331         * config/darwin-protos.h (darwin_rename_builtins): Add.
2333 2011-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
2335         PR target/47636
2336         * config/rs6000/rs6000.md (rsqrt<mode>2): Use the correct macro
2337         for the condition.
2339 2011-02-07  Mike Stump  <mikestump@comcast.net>
2341         * config/darwin.opt (mmacosx-version-min): Update default OS version.
2343 2011-02-07  Denis Chertykov  <chertykov@gmail.com>
2345         PR target/47534
2346         * config/avr/libgcc.S (exit): Move .endfunc
2348 2011-02-07  Richard Guenther  <rguenther@suse.de>
2350         PR tree-optimization/47615
2351         * tree-ssa-sccvn.h (run_scc_vn): Take a vn-walk mode argument.
2352         * tree-ssa-sccvn.c (default_vn_walk_kind): New global.
2353         (run_scc_vn): Initialize it.
2354         (visit_reference_op_load): Use it.
2355         * tree-ssa-pre.c (execute_pre): Use VN_WALK if in PRE.
2357 2011-02-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2359         * config/spu/spu.c (spu_init_libfuncs): Install SImode and
2360         DImode trapping arithmetic libfuncs.
2362 2011-02-07  Richard Guenther  <rguenther@suse.de>
2364         PR tree-optimization/47621
2365         * tree-ssa.c (non_rewritable_lvalue_p): New function, split out from
2366         two duplicates ...
2367         (execute_update_addresses_taken): ... here.  Make it more
2368         conservative in what we accept.
2370 2011-02-06  Joseph Myers  <joseph@codesourcery.com>
2372         * config/sparc/freebsd.h (ASM_SPEC): Define.
2373         * config/sparc/vxworks.h (ASM_SPEC): Define.
2375 2011-02-06  Joseph Myers  <joseph@codesourcery.com>
2377         * config/sparc/sol2-bi.h (CC1_SPEC): Remove %{sun4:} %{target:}.
2379 2011-02-06  Steven Bosscher  <steven@gcc.gnu.org>
2381         * doc/invoke.texi: Remove reference to compiler internals from
2382         user documentation.
2384         * reg-notes.def: Remove REG_VALUE_PROFILE.
2385         * combine.c (distribute_notes): Do not handle REG_VALUE_PROFILE.
2387 2011-02-05  Jakub Jelinek  <jakub@redhat.com>
2389         PR middle-end/47610
2390         * varasm.c (default_section_type_flags): If decl is NULL,
2391         and name is .data.rel.ro or .data.rel.ro.local, set SECTION_RELRO bit.
2393 2011-02-05  Jie Zhang  <jie@codesourcery.com>
2395         PR debug/42631
2396         * web.c (entry_register): Don't clobber the number of the
2397         first uninitialized reference in used[].
2399 2011-02-04  Sebastian Pop  <sebastian.pop@amd.com>
2401         PR tree-optimization/46194
2402         * tree-data-ref.c (analyze_miv_subscript): Remove comment.
2403         (build_classic_dist_vector_1): Do not represent classic distance
2404         vectors when the access functions are variating in different loops.
2406 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
2408         * config/mips/iris6.opt: New.
2409         * config.gcc (mips-sgi-irix6.5*): Use mips/iris6.opt.
2411 2011-02-04  Richard Henderson  <rth@redhat.com>
2412             Steve Ellcey  <sje@cup.hp.com>
2414         PR target/46997
2415         * config/ia64/predicates.md (mux1_brcst_element): New.
2416         * config/ia64/ia64-protos.h (ia64_unpack_assemble): New.
2417         * config/ia64/ia64.c (ia64_unpack_assemble): New.
2418         (ia64_unpack_sign): New.
2419         (ia64_expand_unpack): Rewrite using new routines.
2420         (ia64_expand_widen_sum): Ditto.
2421         (ia64_expand_dot_prod_v8qi): Ditto.
2422         * config/ia64/vect.md (mulv8qi3): Rewrite to use new
2423         routines, add endian check.
2424         (pmpy2_even): Rename from pmpy2_r, add endian check.
2425         (pmpy2_odd): Rename from pmpy2_l, add endian check.
2426         (vec_widen_smult_lo_v4hi): Rewrite using new routines.
2427         (vec_widen_smult_hi_v4hi): Ditto.
2428         (vec_widen_umult_lo_v4hi): Ditto.
2429         (vec_widen_umult_hi_v4hi): Ditto.
2430         (mulv2si3): Change endian checks.
2431         (sdot_prodv4hi): Rewrite with new calls.
2432         (udot_prodv4hi): New.
2433         (vec_pack_ssat_v4hi): Add endian check.
2434         (vec_pack_usat_v4hi): Ditto.
2435         (vec_pack_ssat_v2si): Ditto.
2436         (max1_even): Rename from max1_r, add endian check.
2437         (max1_odd): Rename from max1_l, add endian check.
2438         (*mux1_rev): Format change.
2439         (*mux1_mix): Ditto.
2440         (*mux1_shuf): Ditto.
2441         (*mux1_alt): Ditto.
2442         (*mux1_brcst_v8qi): Use new predicate.
2443         (vec_extract_evenv8qi): Remove endian check.
2444         (vec_extract_oddv8qi): Ditto.
2445         (vec_interleave_lowv4hi): Format change.
2446         (vec_interleave_highv4hi): Ditto.
2447         (mix2_even): Rename from mix2_r, add endian check.
2448         (mix2_odd): Rename from mux2_l, add endian check.
2449         (*mux2): Fix mask setting for TARGET_BIG_ENDIAN.
2450         (vec_extract_evenodd_helper): Format change.
2451         (vec_extract_evenv4hi): Remove endian check.
2452         (vec_extract_oddv4hi): Remove endian check.
2453         (vec_interleave_lowv2si): Format change.
2454         (vec_interleave_highv2si): Format change.
2455         (vec_initv2si): Remove endian check.
2456         (vecinit_v2si): Add endian check.
2457         (reduc_splus_v2sf): Add endian check.
2458         (reduc_smax_v2sf): Ditto.
2459         (reduc_smin_v2sf): Ditto.
2460         (vec_initv2sf): Remove endian check.
2461         (fpack): Add endian check.
2462         (fswap): Add endian check.
2463         (vec_interleave_highv2sf): Add endian check.
2464         (vec_interleave_lowv2sf): Add endian check.
2465         (fmix_lr): Add endian check.
2466         (vec_setv2sf): Format change.
2467         (*vec_extractv2sf_0_be): Use shift to extract operand.
2468         (*vec_extractv2sf_1_be): New.
2469         (vec_pack_trunc_v4hi): Add endian check.
2470         (vec_pack_trunc_v2si): Format change.
2472 2011-02-04  Jakub Jelinek  <jakub@redhat.com>
2474         PR inline-asm/23200
2475         * tree-ssa-ter.c (is_replaceable_p): Add TER argument.  Don't
2476         do bb, locus and block comparison and disallow loads if it is not set.
2477         (stmt_is_replaceable_p): New function.
2478         (process_replaceable, find_replaceable_in_bb): Adjust is_replaceable_p
2479         callers.
2480         * expr.c (expand_expr_real_1) <case SSA_NAME>: If
2481         get_gimple_for_ssa_name try for EXPAND_INITIALIZER harder to use
2482         SSA_NAME_DEF_STMT.
2483         * tree-flow.h (stmt_is_replaceable_p): New prototype.
2485 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
2487         * config/rs6000/xilinx.opt: New.
2488         * config.gcc (powerpc-xilinx-eabi*): Use rs6000/xilinx.opt.
2490 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
2492         * config/mips/mips.opt (EB, EL, noasmopt): New Driver options.
2494 2011-02-03  Anatoly Sokolov  <aesok@post.ru>
2496         * config/xtensa/xtensa.h (PREFERRED_RELOAD_CLASS,
2497         PREFERRED_OUTPUT_RELOAD_CLASS): Remove.
2498         * config/xtensa/xtensa-protos.h (xtensa_preferred_reload_class,
2499         secondary_reload_info, xtensa_secondary_reload): Remove.
2500         * config/xtensa/xtensa.c (TARGET_PREFERRED_RELOAD_CLASS,
2501         TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.
2502         (xtensa_preferred_reload_class): Make static. Change return and
2503         'rclass' argument type to reg_class_t. Remove 'isoutput' argument.
2504         Use CONST_DOUBLE_P predicate.
2505         (xtensa_preferred_output_reload_class): New function.
2506         (xtensa_secondary_reload): Make static.
2508 2011-02-03  Joseph Myers  <joseph@codesourcery.com>
2510         * config/microblaze/microblaze.opt (Zxl-mode-bootstrap,
2511         Zxl-mode-executable, Zxl-mode-novectors, Zxl-mode-xilkernel,
2512         Zxl-mode-xmdstub, mxl-mode-xilkernel): New Driver options.
2514 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
2516         PR middle-end/31490
2517         * output.h (SECTION_RELRO): Define.
2518         (SECTION_MACH_DEP): Adjust.
2519         (get_variable_section): New prototype.
2520         * varpool.c (varpool_finalize_named_section_flags): New function.
2521         (varpool_assemble_pending_decls): Call it.
2522         * cgraph.h (varpool_finalize_named_section_flags): New prototype.
2523         * cgraphunit.c (cgraph_output_in_order): Call
2524         varpool_finalize_named_section_flags.
2525         * varasm.c (get_section): Allow section flags conflicts between
2526         relro and read-only sections if the section hasn't been declared yet.
2527         Set SECTION_OVERRIDE after diagnosing section type conflict.
2528         (get_variable_section): No longer static.
2529         (default_section_type_flags): Use SECTION_WRITE | SECTION_RELRO for
2530         readonly sections that need relocations.
2531         (decl_readonly_section_1): New function.
2532         (decl_readonly_section): Use it.
2534         Revert:
2535         2010-11-17  Dinar Temirbulatov  <dtemirbulatov@gmail.com>
2536                     Steve Ellcey  <sje@cup.hp.com>
2538         PR middle-end/31490
2539         * varasm.c (categorize_decl_for_section): Ignore reloc_rw_mask
2540         if section attribute used.
2542 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
2544         * config/darwin.h (SECTION_NO_ANCHOR): Remove.
2545         * config/darwin.c (SECTION_NO_ANCHOR): Define.
2546         (darwin_init_sections): Remove assertion.
2548 2011-02-03  Nick Clifton  <nickc@redhat.com>
2550         * config/rx/predicates.md (rx_zs_comparison_operator): Remove
2551         lt and ge.
2552         * config/rx/rx.md (abssi2_flags): Use CC_ZSmode rather than CC_ZSOmode.
2553         * config/rx/rx.c (rx_print_operand): Use "lt" and "ge" suffixes
2554         instead of "n" and "pz".
2555         (flags_from_code): LT and GE tests need CC_FLAG_O as well as
2556         CC_FLAG_S.
2558 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
2560         PR target/47312
2561         * expr.c (expand_expr_real_2) <case FMA_EXPR>: If target doesn't expand
2562         fma, expand FMA_EXPR as fma{,f,l} call.
2564         PR lto/47274
2565         * lto-streamer-out.c (write_symbol): When writing kind and visibility,
2566         copy them into a unsigned char variable and pass address of it to
2567         lto_output_data_stream.
2569         PR target/47564
2570         * toplev.c (target_reinit): Save and restore *crtl and regno_reg_rtx
2571         around backend_init_target and lang_dependent_init_target calls.
2572         * cgraphunit.c (cgraph_debug_gimple_stmt): New function.
2573         (verify_cgraph_node): Don't call set_cfun here.  Use
2574         cgraph_debug_gimple_stmt instead of debug_gimple_stmt.
2575         Set error_found for incorrectly represented calls to thunks.
2577 2011-02-03  Alexandre Oliva  <aoliva@redhat.com>
2579         PR debug/43092
2580         PR rtl-optimization/43494
2581         * rtl.h (for_each_inc_dec_fn): New type.
2582         (for_each_inc_dec): Declare.
2583         * rtlanal.c (struct for_each_inc_dec_ops): New type.
2584         (for_each_inc_dec_find_inc_dec): New fn.
2585         (for_each_inc_dec_find_mem): New fn.
2586         (for_each_inc_dec): New fn.
2587         * dse.c (struct insn_size): Remove.
2588         (replace_inc_dec, replace_inc_dec_mem): Remove.
2589         (emit_inc_dec_insn_before): New fn.
2590         (check_for_inc_dec): Use it, along with for_each_inc_dec.
2591         (canon_address): Pass mem modes to cselib_lookup.
2592         * cselib.h (cselib_lookup): Add memmode argument.  Adjust callers.
2593         (cselib_lookup_from_insn): Likewise.
2594         (cselib_subst_to_values): Likewise.
2595         * cselib.c (find_slot_memmode): New var.
2596         (cselib_find_slot): New fn.  Use it instead of
2597         htab_find_slot_with_hash everywhere.
2598         (entry_and_rtx_equal_p): Use find_slot_memmode.
2599         (autoinc_split): New fn.
2600         (rtx_equal_for_cselib_p): Rename and implement in terms of...
2601         (rtx_equal_for_cselib_1): ... this.  Take memmode, pass it on.
2602         Deal with autoinc.  Special-case recursion into MEMs.
2603         (cselib_hash_rtx): Likewise.
2604         (cselib_lookup_mem): Infer pmode from address mode.  Distinguish
2605         address and MEM modes.
2606         (cselib_subst_to_values): Add memmode, pass it on.
2607         Deal with autoinc.
2608         (cselib_lookup): Add memmode argument, pass it on.
2609         (cselib_lookup_from_insn): Add memmode.
2610         (cselib_invalidate_rtx): Discard obsolete push_operand handling.
2611         (struct cselib_record_autoinc_data): New.
2612         (cselib_record_autoinc_cb): New fn.
2613         (cselib_record_sets): Use it, along with for_each_inc_dec.  Pass MEM
2614         mode to cselib_lookup.  Reset autoinced REGs here instead of...
2615         (cselib_process_insn): ... here.
2616         * var-tracking.c (replace_expr_with_values, use_type): Pass MEM mode
2617         to cselib_lookup.
2618         (add_uses): Likewise, also to cselib_subst_to_values.
2619         (add_stores): Likewise.
2620         * sched-deps.c  (add_insn_mem_dependence): Pass mode to
2621         cselib_subst_to_values.
2622         (sched_analyze_1, sched_analyze_2): Likewise.  Adjusted.
2623         * gcse.c (do_local_cprop): Adjusted.
2624         * postreload.c (reload_cse_simplify_set): Adjusted.
2625         (reload_cse_simplify_operands): Adjusted.
2626         * sel-sched-dump (debug_mem_addr_value): Pass mode.
2628 2011-02-03  Alexandre Oliva  <aoliva@redhat.com>
2630         PR tree-optimization/45122
2631         * tree-ssa-loop-niter.c (number_of_iterations_exit): Don't make
2632         unsafe assumptions when there's more than one loop exit.
2634 2011-02-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
2636         PR target/47272
2637         * doc/extend.texi (PowerPC AltiVec/VSX Built-in Functions):
2638         Document using vector double with the load/store builtins, and
2639         that the load/store builtins always use Altivec instructions.
2641         * config/rs6000/vector.md (vector_altivec_load_<mode>): New insns
2642         to use altivec memory instructions, even on VSX.
2643         (vector_altivec_store_<mode>): Ditto.
2645         * config/rs6000/rs6000-protos.h (rs6000_address_for_altivec): New
2646         function.
2648         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
2649         V2DF, V2DI support to load/store overloaded builtins.
2651         * config/rs6000/rs6000-builtin.def (ALTIVEC_BUILTIN_*): Add
2652         altivec load/store builtins for V2DF/V2DI types.
2654         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
2655         set avoid indexed addresses on power6 if -maltivec.
2656         (altivec_expand_ld_builtin): Add V2DF, V2DI support, use
2657         vector_altivec_load/vector_altivec_store builtins.
2658         (altivec_expand_st_builtin): Ditto.
2659         (altivec_expand_builtin): Add VSX memory builtins.
2660         (rs6000_init_builtins): Add V2DI types to internal types.
2661         (altivec_init_builtins): Add support for V2DF/V2DI altivec
2662         load/store builtins.
2663         (rs6000_address_for_altivec): Insure memory address is appropriate
2664         for Altivec.
2666         * config/rs6000/vsx.md (vsx_load_<mode>): New expanders for
2667         vec_vsx_ld and vec_vsx_st.
2668         (vsx_store_<mode>): Ditto.
2670         * config/rs6000/rs6000.h (RS6000_BTI_long_long): New type
2671         variables to hold long long types for VSX vector memory builtins.
2672         (RS6000_BTI_unsigned_long_long): Ditto.
2673         (long_long_integer_type_internal_node): Ditti.
2674         (long_long_unsigned_type_internal_node): Ditti.
2676         * config/rs6000/altivec.md (UNSPEC_LVX): New UNSPEC.
2677         (altivec_lvx_<mode>): Make altivec_lvx use a mode iterator.
2678         (altivec_stvx_<mode>): Make altivec_stvx use a mode iterator.
2680         * config/rs6000/altivec.h (vec_vsx_ld): Define VSX memory builtin
2681         short cuts.
2682         (vec_vsx_st): Ditto.
2684 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
2686         * config/pa/pa-hpux10.opt: New.
2687         * config/hpux11.opt (pthread): New Driver option.
2688         * config/pa/pa-hpux.opt (nolibdld, rdynamic): New Driver options.
2689         * config.gcc (hppa[12]*-*-hpux10*): Use pa/pa-hpux10.opt.
2691 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
2693         * config/ia64/vms.opt: New.
2694         * config.gcc (ia64-hp-*vms*): Use ia64/vms.opt.
2696 2011-02-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
2698         PR target/47580
2699         * config/rs6000/vsx.md (vsx_float<VSi><mode>2): Use
2700         gpc_reg_operand instead of vsx_register_operand to match rs6000.md
2701         generator functions.
2702         (vsx_floatuns<VSi><mode>2): Ditto.
2703         (vsx_fix_trunc<mode><VSi>2): Ditto.
2704         (vsx_fixuns_trunc<mode><VSi>2): Ditto.
2706 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
2708         * config/i386/djgpp.opt (posix): New Driver option.
2710 2011-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
2712         * config.gcc (*-*-freebsd[12], *-*-freebsd[12].*, *-*-freebsd*aout*):
2713         Move to the unsupported targets list.
2715 2011-02-02  Peter Bergner  <bergner@vnet.ibm.com>
2717         PR rtl-optimization/47525
2718         * df-scan.c: Update copyright years.
2719         (df_get_call_refs): Do not mark global registers as DF_REF_REG_USE
2720         and non-clobber DF_REF_REG_DEF for calls to const and pure functions.
2722 2011-02-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2724         * config/i386/sysv4.h (TARGET_VERSION): Remove.
2725         (SUBTARGET_RETURN_IN_MEMORY): Remove.
2726         (ASM_OUTPUT_ASCII): Remove.
2727         * config/i386/sol2.h (SUBTARGET_RETURN_IN_MEMORY): Remove #undef.
2729 2011-02-02  Jeff Law  <law@redhat.com>
2731         PR middle-end/47543
2732         * reload.c (find_reloads_address): Handle reg+d address where both
2733         components are invalid by reloading the entire address.
2735 2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>
2736             Richard Guenther  <rguenther@suse.de>
2738         PR tree-optimization/40979
2739         PR bootstrap/47044
2740         * passes.c (init_optimization_passes): After LIM call copy_prop
2741         and DCE to clean up.
2742         * tree-ssa-loop.c (pass_graphite_transforms): Add TODO_dump_func.
2744 2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>
2746         PR tree-optimization/47576
2747         PR tree-optimization/47555
2748         * doc/invoke.texi (scev-max-expr-complexity): Documented.
2749         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
2750         (PARAM_SCEV_MAX_EXPR_COMPLEXITY): Declared.
2751         * tree-scalar-evolution.c (follow_ssa_edge): Use
2752         PARAM_SCEV_MAX_EXPR_COMPLEXITY.
2754 2011-02-02  Richard Guenther  <rguenther@suse.de>
2756         PR tree-optimization/47566
2757         * builtins.c (builtin_save_expr): No SAVE_EXPR for SSA_NAMEs.
2759 2011-02-02  Alexandre Oliva  <aoliva@redhat.com>
2761         PR debug/47106
2762         PR debug/47402
2763         * tree-inline.c (declare_return_variable): Remove unused caller
2764         variable.
2766         PR debug/47106
2767         PR debug/47402
2768         * tree-flow-inline.h (clear_is_used, is_used_p): New.
2769         * cfgexpand.c (account_used_vars_for_block): Use them.
2770         * tree-nrv.c (tree_nrv): Likewise.
2771         * tree-ssa-live.c (remove_unused_scope_block_p): Likewise.
2772         (dump_scope_block): Likewise.
2773         (remove_unused_locals): Likewise.
2775         PR debug/47106
2776         PR debug/47402
2777         * tree-inline.c (declare_return_variable): Add result decl to
2778         local decls only once.
2779         * gimple-low.c (record_vars_into): Mark newly-created variables
2780         as referenced.
2782 2011-02-02  Alexandre Oliva  <aoliva@redhat.com>
2784         PR debug/47498
2785         PR debug/47501
2786         PR debug/45136
2787         PR debug/45130
2788         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
2789         debug insns.
2790         (no_real_insns_p, schedule_block, set_priorities): Drop special
2791         treatment of boundary debug insns.
2792         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
2793         * sched-ebb.c (schedule_ebbs): Adjust skipping of debug insns.
2794         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
2795         (BOUNDARY_DEBUG_INSN_P): Likewise.
2796         (SCHEDULE_DEBUG_INSN_P): Likewise.
2797         * sched-rgn.c (init_ready_list): Drop special treatment of
2798         boundary debug insns.
2799         * final.c (rest_of_clean_state): Clear notes' BB.
2801 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
2803         * config/openbsd.opt (assert=): New Driver option.
2805 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
2807         * config/i386/nto.opt: New.
2808         * config.gcc (i[34567]86-*-nto-qnx*): Use i386/nto.opt.
2810 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
2812         * config/i386/netware.opt: New.
2813         * config.gcc (i[3456x]86-*-netware*): Use i386/netware.opt.
2815 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
2817         * config/interix.opt (posix): New Driver option.
2819 2011-02-01  DJ Delorie  <dj@redhat.com>
2821         * config/m32c/m32c.h (PTRDIFF_TYPE): Remove extra definition.
2823         * config/m32c/m32c.c (m32c_regno_reg_class): Return smallest reg
2824         class for A0/A1.
2826 2011-02-01  Sebastian Pop  <sebastian.pop@amd.com>
2828         PR tree-optimization/47561
2829         * toplev.c (process_options): Print the Graphite flags.  Add
2830         flag_loop_flatten to the list of options requiring Graphite.
2832 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
2834         * config/i386/cygming.opt (posix): New Driver option.
2836 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
2838         * config/arm/vxworks.opt: New.
2839         * config.gcc (arm-wrs-vxworks): Use arm/vxworks.opt.
2841 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
2843         * config/alpha/elf.opt: New.
2844         * config.gcc (alpha*-*-linux*, alpha*-*-gnu*, alpha*-*-freebsd*,
2845         alpha*-*-netbsd*, alpha*-*-openbsd*): Use alpha/elf.opt.
2847 2011-02-01  Richard Guenther  <rguenther@suse.de>
2849         PR tree-optimization/47559
2850         * tree-ssa-loop-im.c (can_sm_ref_p): Do not perform
2851         store-motion on references that can throw.
2853 2011-02-01  Bernd Schmidt  <bernds@codesourcery.com>
2855         * tree-dump.c (dump_option_value_info): Add entry for TDF_CSELIB.
2856         * tree-pass.h (TDF_CSELIB): New macro.
2857         * cselib.c (new_cselib_val, expand_loc, cselib_expand_value_rtx_1,
2858         cselib_lookup): Check for it rather than for TDF_DETAILS.
2860 2011-02-01  H.J. Lu  <hongjiu.lu@intel.com>
2862         PR driver/47547
2863         * lto-wrapper.c (run_gcc): Don't add -dumpdir if linker_output
2864         is HOST_BIT_BUCKET.
2866         * opts.c (finish_options): Don't add x_aux_base_name if it is
2867         HOST_BIT_BUCKET.
2869 2011-02-01  Richard Guenther  <rguenther@suse.de>
2871         PR tree-optimization/47555
2872         Revert
2873         2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
2875         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
2877 2011-02-01  Sebastien Bourdeauducq  <sebastien@milkymist.org>
2879         PR gcc/46692
2880         * config/lm32/t-lm32: Add multilib for all CPU options.
2882 2011-02-01  Richard Guenther  <rguenther@suse.de>
2884         PR tree-optimization/47541
2885         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
2886         sure to have a field at offset zero.
2888 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
2890         * config/arc/arc.opt (EB, EL): New Driver options.
2892 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
2894         * config/alpha/osf5.opt: New.
2895         * config.gcc (alpha*-dec-osf5.1*): Use alpha/osf5.opt.
2897 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
2899         * config/vms/vms.opt (map, mvms-return-codes): New Driver options.
2901 2011-01-31  Sebastian Pop  <sebastian.pop@amd.com>
2903         * common.opt (ftree-loop-linear): Use Alias to make it an alias of
2904         -floop-interchange.
2905         * invoke.texi (-ftree-loop-linear): Make it clear that this flag
2906         is an alias of -floop-interchange and that it requires the
2907         Graphite infrastructure.
2908         * tree-ssa-loop.c (gate_graphite_transforms): Do not set
2909         flag_loop_interchange based on the value of flag_tree_loop_linear.
2911 2011-01-31  Jakub Jelinek  <jakub@redhat.com>
2912             Richard Guenther  <rguenther@suse.de>
2914         PR tree-optimization/47538
2915         * tree-ssa-ccp.c (bit_value_binop_1): For uns computation use
2916         type instead of r1type, except for comparisons.  For right
2917         shifts and comparisons punt if there are mismatches in
2918         sizetype vs. non-sizetype types.
2920 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2922         * doc/sourcebuild.texi (Effective-Target Keywords): Document
2923         avx_runtime.
2925 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2927         * configure.ac (gcc_cv_ld_eh_frame_hdr): Update minimal Sun ld
2928         version number.
2929         * configure: Regenerate.
2931 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2933         * configure.ac (gcc_cv_ld_static_option): Define.
2934         (gcc_cv_ld_dynamic_option): Define.
2935         (gcc_cv_ld_static_dynamic): Tru64 UNIX support -noso/-so_archive
2936         instead.
2937         (HAVE_LD_STATIC_DYNAMIC): Update message.
2938         (LD_STATIC_OPTION): Define.
2939         (LD_DYNAMIC_OPTION): Define.
2940         * configure: Regenerate.
2941         * config.in: Regenerate.
2942         * gcc.c (init_spec) [USE_LIBUNWIND_EXCEPTIONS &&
2943         HAVE_LD_STATIC_DYNAMIC]: Use them.
2945 2011-01-31  Nick Clifton  <nickc@redhat.com>
2947         * config/rx/rx.c (rx_get_stack_layout): Only save call clobbered
2948         registers inside interrupt handlers if the handler is not a leaf
2949         function.
2951 2011-01-31  Nick Clifton  <nickc@redhat.com>
2953         * config/mn10300/mn10300.c (mn10300_regno_in_class_p): Check for
2954         reg_renumber returning an INVALID_REGNUM.
2956 2011-01-31  Alexandre Oliva  <aoliva@redhat.com>
2958         PR libgcj/44341
2959         * doc/install.texi: Document host options discarded when cross
2960         configuring target libraries.
2962 2011-01-31  Alexandre Oliva  <aoliva@redhat.com>
2964         Reverted:
2965         2011-01-25  Alexandre Oliva  <aoliva@redhat.com>
2966         PR debug/45136
2967         PR debug/45130
2968         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
2969         debug insns.
2970         (no_real_insns_p, schedule_block, set_priorities): Drop special
2971         treatment of boundary debug insns.
2972         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
2973         * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
2974         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
2975         (BOUNDARY_DEBUG_INSN_P): Likewise.
2976         (SCHEDULE_DEBUG_INSN_P): Likewise.
2977         * sched-rgn.c (init_ready_list): Drop special treatment of
2978         boundary debug insns.
2979         * final.c (rest_of_clean-state): Clear notes' BB.
2981 2011-01-31  Alan Modra  <amodra@gmail.com>
2983         * config/rs6000/rs6000.c (print_operand): Rearrange addends in
2984         toc relative expressions as we do in print_operand_address.
2986 2011-01-30  Kazu Hirata  <kazu@codesourcery.com>
2988         * doc/extend.texi: Follow spelling conventions.
2989         * doc/invoke.texi: Fix a typo.
2991 2011-01-30  Joseph Myers  <joseph@codesourcery.com>
2993         * config/hpux11.opt: New.
2994         * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*,
2995         ia64*-*-hpux*): Use hpux11.opt.
2997 2011-01-30  Jonathan Yong  <jon_y@users.sourceforge.net>
2999         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add t-dfprules
3000         to tmake_file.
3002 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
3004         * doc/install.texi (hppa-hp-hpux10): Remove references to HP
3005         support sites.
3007 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
3009         * doc/install.texi (Binaries): Remove outdated reference for
3010         Motorola 68HC11/68HC12 downloads.
3012 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
3014         * doc/extend.texi (Thread-Local): Adjust reference to Ulrich
3015         Drepper's paper.
3017 2011-01-29  Jonathan Wakely  <jwakely.gcc@gmail.com>
3019         PR bootstrap/47147
3020         * ginclude/stddef.h: Check for _X86_64_ANSI_H_ and _I386_ANSI_H_ as
3021         used by NetBSD.
3023 2011-01-28  Ahmad Sharif  <asharif@google.com>
3025         * value-prof.c (check_counter): Corrected error message.
3027 2011-01-29  Jie Zhang  <jie@codesourcery.com>
3029         * config/arm/arm.c (arm_legitimize_reload_address): New.
3030         * config/arm/arm.h (ARM_LEGITIMIZE_RELOAD_ADDRESS): Use
3031         arm_legitimize_reload_address.
3032         * config/arm/arm-protos.h (arm_legitimize_reload_address): Declare.
3034 2011-01-28  Ian Lance Taylor  <iant@google.com>
3036         * godump.c (go_define): Ignore macros whose definitions include
3037         two adjacent operands.
3039 2011-01-28  Jakub Jelinek  <jakub@redhat.com>
3041         PR target/42894
3042         * varasm.c (force_const_mem): Store copy of x in desc->constant
3043         instead of x itself.
3044         * expr.c (emit_move_insn): Add a copy of y_cst instead of y_cst
3045         itself into REG_EQUAL note.
3047 2011-01-28  Joseph Myers  <joseph@codesourcery.com>
3049         * config/freebsd.opt (posix, rdynamic): New Driver options.
3051 2011-01-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3053         * configure.ac (gcc_cv_ld_static_dynamic): IRIX 6 ld supports
3054         -Bstatic/-Bdynamic.
3055         * configure: Regenerate.
3057 2011-01-27  Joseph Myers  <joseph@codesourcery.com>
3059         * config/rs6000/sysv4.h (LIB_NETBSD_SPEC): Don't handle -profile.
3060         * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -profile.
3062 2011-01-27  Anatoly Sokolov  <aesok@post.ru>
3064         * config/s390/s390.h (PREFERRED_RELOAD_CLASS): Remove.
3065         * config/s390/s390-protos.h (s390_preferred_reload_class): Remove.
3066         * config/s390/s390.c (TARGET_PREFERRED_RELOAD_CLASS): Define.
3067         (s390_preferred_reload_class): Make static. Change return and
3068         'rclass' argument type to reg_class_t.
3070 2011-01-27  Jan Hubicka  <jh@suse.cz>
3072         PR middle-end/46949
3073         * cgraphunit.c (process_common_attributes): Fix use of remove_attribute.
3074         (process_function_and_variable_attributes): Check defined weakrefs.
3076 2011-01-27  Martin Jambor  <mjambor@suse.cz>
3078         PR tree-optimization/47228
3079         * tree-sra.c (sra_modify_assign): Use build_ref_for_model instead of
3080         build_ref_for_offset.
3082 2011-01-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3084         * config/spu/spu-elf.h (ASM_SPEC): Remove.
3086 2011-01-26  Mikael Pettersson  <mikpe@it.uu.se>
3088         PR rtl-optimization/46856
3089         * postreload.c (reload_combine_recognize_const_pattern): Do not
3090         separate cc0 setter and user on cc0 targets.
3092 2011-01-26  Nicola Pero  <nicola.pero@meta-innovation.com>
3094         PR c/43082
3095         * c-typeck.c (c_objc_common_truthvalue_conversion): If we are
3096         passed a VOID_TYPE expression, immediately emit an error and
3097         return error_mark_node.
3099 2011-01-26  Jeff Law  <law@redhat.com>
3101         PR rtl-optimization/47464
3102         * df-problems.c (can_move_insn_across): Use may_trap_or_fault_p
3103         rather than may_trap_p as needed.
3105 2011-01-26  DJ Delorie  <dj@redhat.com>
3107         PR rtl-optimization/46878
3108         * combine.c (insn_a_feeds_b): Check for the implicit cc0
3109         setter/user dependency as well.
3111 2011-01-26  Eric Botcazou  <ebotcazou@adacore.com>
3113         PR rtl-optimization/44469
3114         * cfgcleanup.c (try_optimize_cfg): Iterate in CFG layout mode too
3115         after removing trivially dead basic blocks.
3117 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
3119         * config/bfin/bfin.h (LINK_SPEC): Remove %{Qy:} %{!Qn:-Qy}.
3120         * config/frv/frv.h (LINK_SPEC): Likewise.
3121         * config/i386/netware.h (LINK_SPEC): Likewise.
3122         * config/m68k/linux.h (ASM_SPEC): Likewise.
3123         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
3124         * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
3125         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
3126         * config/sparc/linux.h (ASM_SPEC): Likewise.
3127         * config/sparc/linux64.h (ASM_SPEC): Likewise.
3128         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
3130 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
3132         * config/bfin/bfin.h (ASM_SPEC): Remove %{Ym,*}.
3133         * config/frv/frv.h (ASM_SPEC): Likewise.
3134         * config/m68k/linux.h (ASM_SPEC): Likewise.
3135         * config/pa/pa-linux.h (ASM_SPEC): Likewise.
3136         * config/rs6000/linux64.h (ASM_SPEC): Likewise.
3137         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
3138         * config/sparc/linux.h (ASM_SPEC): Likewise.
3139         * config/sparc/linux64.h (ASM_SPEC): Likewise.
3140         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
3142 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
3144         * config/bfin/bfin.h (LINK_SPEC): Remove %{YP,*}.
3145         * config/frv/frv.h (LINK_SPEC): Likewise.
3146         * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
3148 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
3150         * config/bfin/bfin.h (ASM_SPEC): Remove %{Yd,*}.
3151         * config/frv/frv.h (ASM_SPEC): Likewise.
3152         * config/i386/sol2-10.h (ASM_SPEC): Likewise.
3153         * config/m68k/linux.h (ASM_SPEC): Likewise.
3154         * config/pa/pa-linux.h (ASM_SPEC): Likewise.
3155         * config/rs6000/linux64.h (ASM_SPEC32): Likewise.
3156         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
3157         * config/sol2.h (ASM_SPEC): Remove comment about -Yd,.
3158         * config/sparc/linux.h (ASM_SPEC): Likewise.
3159         * config/sparc/linux64.h (ASM_SPEC): Likewise.
3160         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
3161         * config/sparc/sysv4.h (ASM_SPEC): Remove %{Yd,*}.
3163 2011-01-26  Steve Ellcey  <sje@cup.hp.com>
3165         PR target/46997
3166         * config/ia64/vect.md (mulv2si3): Enable and fix for TARGET_BIG_ENDIAN.
3167         (*mux2): Ditto.
3168         (vec_extract_evenodd_help): Ditto.
3169         (vec_extract_evenv4hi): Ditto.
3170         (vec_extract_oddv4hi): Ditto.
3171         (vec_interleave_lowv2si): Ditto.
3172         (vec_interleave_highv2si): Ditto.
3173         (vec_extract_evenv2si): Ditto.
3174         (vec_extract_oddv2si: Ditto.
3175         (vec_pack_trunc_v2si): Ditto.
3177 2011-01-22  Jan Hubicka  <jh@suse.cz>
3179         PR target/47237
3180         * cgraph.h (cgraph_local_info): New field can_change_signature.
3181         * ipa-cp.c (ipcp_update_callgraph): Only compute args_to_skip if callee
3182         signature can change.
3183         (ipcp_estimate_growth): Call sequence simplify only if calle signature
3184         can change.
3185         (ipcp_insert_stage): Only compute args_to_skip if signature can change.
3186         (cgraph_function_versioning): We can not change signature of functions
3187         that don't allow that.
3188         * lto-cgraph.c (lto_output_node): Stream local.can_change_signature.
3189         (lto_input_node): Likewise.
3190         * ipa-inline.c (compute_inline_parameters): Compute
3191         local.can_change_signature.
3192         * ipa-split.c (visit_bb): Never split away APPLY_ARGS.
3193         * tree-sra.c (ipa_sra_preliminary_function_checks): Give up on
3194         functions that can not change signature.
3195         * i386.c (ix86_function_regparm, ix86_function_sseregparm,
3196         init_cumulative_args): Do not use local calling conventions
3197         for functions that can not change signature.
3199 2011-01-22  Jan Hubicka  <jh@suse.cz>
3201         * doc/invoke.texi (hot-bb-frequency-fraction): Commit forgotten hunk.
3203 2011-01-26  Richard Guenther  <rguenther@suse.de>
3205         PR tree-optimization/47190
3206         * cgraphunit.c (process_common_attributes): New function.
3207         (process_function_and_variable_attributes): Use it.
3209 2011-01-26  Richard Guenther  <rguenther@suse.de>
3211         PR lto/47423
3212         * cgraphbuild.c (record_eh_tables): Record reference to personality
3213         function.
3215 2011-01-26  Alexandre Oliva  <aoliva@redhat.com>
3217         PR debug/45454
3218         * sel-sched.c (moveup_expr): Don't let debug insns prevent
3219         non-debug insns from moving up.
3221 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
3223         PR target/40125
3224         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Select suitable
3225         t-dlldir{,-x} fragment for build and add it to tmake_file.
3226         (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
3227         * Makefile.in (libgcc.mvars): Also export SHLIB_DLLDIR to libgcc.
3228         * config/i386/t-dlldir: New file.
3229         (SHLIB_DLLDIR): Define.
3230         * config/i386/t-dlldir-x: New file.
3231         (SHLIB_DLLDIR): Define.
3232         * config/i386/t-cygming: Error out if SHLIB_DLLDIR is not set.
3233         (SHLIB_INSTALL): Use it.
3235 2011-01-26  Chung-Lin Tang  <cltang@codesourcery.com>
3237         PR target/47246
3238         * config/arm/arm.c (thumb2_legitimate_index_p): Change the
3239         lower bound of the allowed Thumb-2 coprocessor load/store
3240         index range to -256. Add explaining comment.
3242 2011-01-25  Ian Lance Taylor  <iant@google.com>
3244         * godump.c (go_define): Improve lexing of macro expansion to only
3245         accept expressions which match Go spec.
3247 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
3249         PR c++/43601
3250         * tree.c (handle_dll_attribute): Handle it.
3251         * doc/extend.texi (@item dllexport): Mention it.
3252         * doc/invoke.texi (@item -fno-keep-inline-dllexport): Document it.
3254 2011-01-25  Ian Lance Taylor  <iant@google.com>
3256         PR tree-optimization/26854
3257         * c-decl.c (struct c_scope): Add field has_jump_unsafe_decl.
3258         (decl_jump_unsafe): Move higher in file, with no other change.
3259         (bind): Set has_jump_unsafe_decl if appropriate.
3260         (update_label_decls): Test has_jump_unsafe_decl to avoid loop.
3261         (check_earlier_gotos): Likewise.
3262         (c_check_switch_jump_warnings): Likewise.
3264 2011-01-25  Jonathan Wakely  <jwakely.gcc@gmail.com>
3266         * doc/invoke.texi (Warning Options): Add missing hyphen.
3267         (-fprofile-dir): Minor grammatical fixes.
3268         (-fbranch-probabilities): Likewise.
3270 2011-01-25  Alexandre Oliva  <aoliva@redhat.com>
3272         PR debug/45136
3273         PR debug/45130
3274         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
3275         debug insns.
3276         (no_real_insns_p, schedule_block, set_priorities): Drop special
3277         treatment of boundary debug insns.
3278         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
3279         * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
3280         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
3281         (BOUNDARY_DEBUG_INSN_P): Likewise.
3282         (SCHEDULE_DEBUG_INSN_P): Likewise.
3283         * sched-rgn.c (init_ready_list): Drop special treatment of
3284         boundary debug insns.
3285         * final.c (rest_of_clean-state): Clear notes' BB.
3287 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3289         * Makefile.in (LAMBDA_H): Removed.
3290         (TREE_DATA_REF_H): Remove dependence on LAMBDA_H.
3291         (OBJS-common): Remove dependence on lambda-code.o, lambda-mat.o,
3292         lambda-trans.o, and tree-loop-linear.o.
3293         (lto-symtab.o): Remove dependence on LAMBDA_H.
3294         (tree-loop-linear.o): Remove rule.
3295         (lambda-mat.o): Same.
3296         (lambda-trans.o): Same.
3297         (lambda-code.o): Same.
3298         (tree-vect-loop.o): Add missing dependence on TREE_DATA_REF_H.
3299         (tree-vect-slp.o): Same.
3300         * hwint.h (gcd): Moved here.
3301         (least_common_multiple): Same.
3302         * lambda-code.c: Removed.
3303         * lambda-mat.c: Removed.
3304         * lambda-trans.c: Removed.
3305         * lambda.h: Removed.
3306         * tree-loop-linear.c: Removed.
3307         * lto-symtab.c: Do not include lambda.h.
3308         * omega.c (gcd): Removed.
3309         * passes.c (init_optimization_passes): Remove pass_linear_transform.
3310         * tree-data-ref.c (print_lambda_vector): Moved here.
3311         (lambda_vector_copy): Same.
3312         (lambda_matrix_copy): Same.
3313         (lambda_matrix_id): Same.
3314         (lambda_vector_first_nz): Same.
3315         (lambda_matrix_row_add): Same.
3316         (lambda_matrix_row_exchange): Same.
3317         (lambda_vector_mult_const): Same.
3318         (lambda_vector_negate): Same.
3319         (lambda_matrix_row_negate): Same.
3320         (lambda_vector_equal): Same.
3321         (lambda_matrix_right_hermite): Same.
3322         * tree-data-ref.h: Do not include lambda.h.
3323         (lambda_vector): Moved here.
3324         (lambda_matrix): Same.
3325         (dependence_level): Same.
3326         (lambda_transform_legal_p): Removed declaration.
3327         (lambda_collect_parameters): Same.
3328         (lambda_compute_access_matrices): Same.
3329         (lambda_vector_gcd): Same.
3330         (lambda_vector_new): Same.
3331         (lambda_vector_clear): Same.
3332         (lambda_vector_lexico_pos): Same.
3333         (lambda_vector_zerop): Same.
3334         (lambda_matrix_new): Same.
3335         * tree-flow.h (least_common_multiple): Removed declaration.
3336         * tree-parloops.c (lambda_trans_matrix): Moved here.
3337         (LTM_MATRIX): Same.
3338         (LTM_ROWSIZE): Same.
3339         (LTM_COLSIZE): Same.
3340         (LTM_DENOMINATOR): Same.
3341         (lambda_trans_matrix_new): Same.
3342         (lambda_matrix_vector_mult): Same.
3343         (lambda_transform_legal_p): Same.
3344         * tree-pass.h (pass_linear_transform): Removed declaration.
3345         * tree-ssa-loop.c (tree_linear_transform): Removed.
3346         (gate_tree_linear_transform): Removed.
3347         (pass_linear_transform): Removed.
3348         (gate_graphite_transforms): Make flag_tree_loop_linear an alias of
3349         flag_loop_interchange.
3351 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
3353         PR tree-optimization/47265
3354         PR tree-optimization/47443
3355         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Return false
3356         if name still has some uses.
3358 2011-01-25  Martin Jambor  <mjambor@suse.cz>
3360         PR tree-optimization/47382
3361         * gimple-fold.c (gimple_fold_obj_type_ref_call): Removed.
3362         (gimple_fold_call): Do not call gimple_fold_obj_type_ref_call.
3364 2011-01-25  Joel Sherrill  <joel.sherrill@oarcorp.com>
3366         * config/m32r/m32r.c: Define TARGET_EXCEPT_UNWIND_INFO to
3367         sjlj_except_unwind_info.
3369 2011-01-25  Richard Guenther  <rguenther@suse.de>
3371         PR tree-optimization/47426
3372         * tree-ssa-structalias.c (ipa_pta_execute): Make externally
3373         visible functions results escape.
3375 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
3377         PR target/45701
3378         * config/arm/arm.c (any_sibcall_uses_r3): New function.
3379         (arm_get_frame_offsets): Use it.
3381 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3382             Jakub Jelinek  <jakub@redhat.com>
3384         PR tree-optimization/47271
3385         * tree-if-conv.c (bb_postdominates_preds): New.
3386         (if_convertible_bb_p): Call bb_postdominates_preds.
3387         (if_convertible_loop_p_1): Compute CDI_POST_DOMINATORS.
3388         (predicate_scalar_phi): Call bb_postdominates_preds.
3390 2011-01-25  Nick Clifton  <nickc@redhat.com>
3392         * config/rx/rx.h (LIBCALL_VALUE): Do not promote complex types.
3393         * config/rx/rx.c (rx_function_value): Likewise.
3394         (rx_promote_function_mode): Likewise.
3395         (gen_safe_add): Place an outsized immediate value inside an UNSPEC
3396         in order to make it legitimate.
3397         * config/rx/rx.md (adddi3_internal): If the second operand is a MEM
3398         make sure that the first operand is the same as the result register.
3399         (addsi3_unspec): Delete.
3400         (subdi3): Do not accept immediate operands.
3401         (subdi3_internal): Likewise.
3403 2011-01-25  Jeff Law  <law@redhat.com>
3405         PR rtl-optimization/37273
3406         * ira-costs.c (scan_one_insn): Detect constants living in memory and
3407         handle them like argument loads from stack slots.  Do not double
3408         count memory for memory constants and argument loads from stack slots.
3410 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
3412         PR tree-optimization/47427
3413         PR tree-optimization/47428
3414         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
3415         coalesce if the new root var would be TREE_READONLY.
3417 2011-01-25  Richard Guenther  <rguenther@suse.de>
3419         PR middle-end/47414
3420         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Use the
3421         correct type for TBAA.
3423 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3425         * graphite-sese-to-poly.c (dr_indices_valid_in_loop): New.
3426         (close_phi_written_to_memory): Call for_each_index with
3427         dr_indices_valid_in_loop.
3429 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3431         * graphite-sese-to-poly.c (new_pbb_from_pbb): Only copy PBB_DOMAIN
3432         when it is initialized.
3434 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3436         * graphite-scop-detection.c (stmt_has_simple_data_refs_p): Update
3437         call to graphite_find_data_references_in_stmt.
3438         * graphite-sese-to-poly.c (outermost_loop_in_sese_1): New.
3439         (try_generate_gimple_bb): Call outermost_loop_in_sese_1.  Update
3440         call to graphite_find_data_references_in_stmt.
3441         (analyze_drs_in_stmts): Same.
3442         * tree-data-ref.c (dr_analyze_indices): Pass in parameter the loop
3443         in which the scalar analysis of indices is performed.
3444         (create_data_ref): Same.  Update call to dr_analyze_indices.
3445         (find_data_references_in_stmt): Update call to create_data_ref.
3446         (graphite_find_data_references_in_stmt): Same.
3447         * tree-data-ref.h (graphite_find_data_references_in_stmt): Update
3448         declaration.
3449         (create_data_ref): Same.
3450         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Update
3451         call to create_data_ref.
3453 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3455         * graphite-sese-to-poly.c (build_poly_scop): Move
3456         rewrite_commutative_reductions_out_of_ssa before find_scop_parameters.
3458 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3460         * graphite-sese-to-poly.c (close_phi_written_to_memory): Also allow
3461         VAR_DECL, PARM_DECL, and RESULT_DECL.
3463 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3465         * graphite-dependences.c (reduction_dr_1): Allow several reductions
3466         in a reduction PBB.
3467         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split PBBs
3468         that have already been marked as PBB_IS_REDUCTION.
3470 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3472         * graphite-scop-detection.c (same_close_phi_node): New.
3473         (remove_duplicate_close_phi): New.
3474         (make_close_phi_nodes_unique): New.
3475         (canonicalize_loop_closed_ssa): Call make_close_phi_nodes_unique.
3477 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3479         * graphite-dependences.c (new_poly_ddr): Call same_pdr_p.
3480         * graphite-poly.h (same_pdr_p): Do not expect that the PDR_TYPE
3481         of both data references to be the same.
3483 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3485         * graphite-dependences.c (build_lexicographical_constraint): Remove
3486         the gdim parameter.
3487         (build_lexicographical_constraint): Adjust call to
3488         ppl_powerset_is_empty.
3489         (dependence_polyhedron): Same.
3490         (graphite_legal_transform_dr): Same.
3491         (graphite_carried_dependence_level_k): Same.
3492         * graphite-ppl.c (ppl_powerset_is_empty): Remove the nb_params
3493         parameter.
3494         * graphite-ppl.h (ppl_powerset_is_empty): Adjust declaration.
3496 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3498         * graphite-sese-to-poly.c
3499         (translate_scalar_reduction_to_array_for_stmt): Call unshare_expr.
3500         (close_phi_written_to_memory): New.
3501         (translate_scalar_reduction_to_array): Call close_phi_written_to_memory
3502         and unshare_expr.
3504 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3506         * doc/install.texi: Update the expected version number of PPL to 0.11.
3507         * graphite-ppl.c (ppl_powerset_is_empty): Remove now dead code under
3508         #if PPL_VERSION_MINOR < 11.
3510 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3512         * graphite-dependences.c: Include graphite-cloog-util.h.
3513         (new_poly_ddr): Inlined into dependence_polyhedron.
3514         (free_poly_ddr): Moved close by new_poly_ddr.
3515         (dependence_polyhedron_1): Renamed dependence_polyhedron.
3516         Early return NULL when ppl_powerset_is_empty returns true.
3517         (dependence_polyhedron): Renamed new_poly_ddr.  Call only once
3518         poly_drs_may_alias_p.  Avoid one call to ppl_powerset_is_empty.
3519         (graphite_legal_transform_dr): Call new_poly_ddr.
3520         (graphite_carried_dependence_level_k): Same.
3521         (dot_original_deps_stmt_1): Renamed dot_deps_stmt_2.  Use new_poly_ddr.
3522         (dot_transformed_deps_stmt_1): Removed.
3523         (dot_deps_stmt_1): Call dot_deps_stmt_2.
3524         (dot_original_deps): Renamed dot_deps_2.  Call new_poly_ddr.
3525         (dot_deps_1): Call dot_deps_2.
3526         * Makefile.in (graphite-dependences.o): Add missing dependence on
3527         graphite-cloog-util.h.
3529 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3531         * graphite-dependences.c (new_poly_dr): Call ppl_powerset_is_empty.
3532         (build_lexicographical_constraint): Same.
3533         (dependence_polyhedron_1): Same.
3534         (graphite_legal_transform_dr): Same.
3535         (graphite_carried_dependence_level_k): Same.
3536         * graphite-ppl.c (ppl_powerset_is_empty): New.
3537         * graphite-ppl.h (ppl_powerset_is_empty): Declared.
3538         * tree-data-ref.c (dump_data_reference): Print the basic block index.
3540 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3542         * graphite-dependences.c (build_pairwise_scheduling): Correctly compute
3543         the "a followed by b" relation and document it.
3545 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3547         * graphite-dependences.c (build_lexicographical_constraint): Stop the
3548         iteration when the bag of constraints is empty.
3550 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3552         * graphite-poly.c (pbb_remove_duplicate_pdrs): Make it work.
3554 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3556         * graphite-interchange.c (lst_interchange_profitable_p): Takes a loop
3557         nest and two loop depths as parameters.
3558         (lst_try_interchange_loops): Call lst_interchange_profitable_p after
3559         lst_perfect_nestify.
3561 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3563         * graphite-dependences.c (print_pddr): Call
3564         ppl_io_fprint_Pointset_Powerset_C_Polyhedron.
3566 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3568         * graphite-ppl.c (debug_gmp_value): New.
3569         * graphite-ppl.h (debug_gmp_value): Declared.
3571 2011-01-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3573         * doc/install.texi: Document availability of cloog-0.16.
3575 2011-01-25  Vladimir Kargov  <kargov@gmail.com>
3577         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Free
3578         invalid postdominance info.
3580 2011-01-24  Jan Hubicka  <jh@suse.cz>
3582         PR c/21659
3583         * doc/extend.texi (weak pragma): Drop claim that it must
3584         appear before definition.
3585         * varasm.c (merge_weak, declare_weak): Only sanity check
3586         that DECL is not output at a time it is declared weak.
3588 2011-01-24  Kenneth Zadeck  <zadeck@naturalbridge.com>
3590         * machmode.def: Fixed comments.
3592 2011-01-24  Kai Tietz  <kai.tietz@onevision.com>
3594         * emit-rtl.c (reg_attrs_htab_hash): Replace long by intptr_t.
3596 2011-01-24  Paul Koning  <ni1d@arrl.net>
3598         * builtins.c (c_readstr): Fix byte order if BYTES_BIG_ENDIAN !=
3599         WORDS_BIG_ENDIAN.
3601 2011-01-24  H.J. Lu  <hongjiu.lu@intel.com>
3603         PR target/46519
3604         * config/i386/i386.c: Include sbitmap.h and fibheap.h.
3605         (block_info): Add scanned and prev.
3606         (move_or_delete_vzeroupper_2): Return if the basic block
3607         has been scanned and the upper 128bit state is unchanged
3608         from the last scan.
3609         (move_or_delete_vzeroupper_1): Return true if the exit
3610         state is changed.
3611         (move_or_delete_vzeroupper): Visit basic blocks using the
3612         work-list based algorithm based on vt_find_locations in
3613         var-tracking.c.
3615         * config/i386/t-i386: Also depend on sbitmap.h and $(FIBHEAP_H).
3617 2011-01-24  Nick Clifton  <nickc@redhat.com>
3619         * config/v850/v850.opt (mv850es): New option - alias for -mv850e1.
3620         * config/v850/v850.h (ASM_SPEC): If -mv850es is specified pass
3621         -mv850e1 to the assembler.  If -mv850e1 or -mv850es is specified
3622         then define __v850e1__.
3623         * doc/invoke.texi: Document -mv850es.
3625 2011-01-24  Richard Henderson  <rth@redhat.com>
3627         * config/rx/predicates.md (rx_fp_comparison_operator): Don't accept
3628         compound unordered comparisons.
3629         * config/rx/rx.c (rx_split_fp_compare): Remove.
3630         * config/rx/rx-protos.h: Update.
3631         * config/rx/rx.md (gcc_conds, rx_conds): Remove.
3632         (cbranchsf4): Don't call rx_split_fp_compare.
3633         (*cbranchsf4): Use rx_split_cbranch.
3634         (*cmpsf): Don't accept "i" constraint.
3635         (*conditional_branch): Only valid after reload.
3636         (cstoresf4): Merge expander with insn.  Don't call rx_split_fp_compare.
3638 2011-01-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
3640         PR target/47385
3641         * config/rs6000/altivec.md (vector constant splitters): Add
3642         support for creating vector single precision constants if -mvsx is
3643         used and we would create the constant using Altivec primitives.
3645 2011-01-23  Bernd Schmidt  <bernds@codesourcery.com>
3646             Richard Sandiford  <rdsandiford@googlemail.com>
3648         PR rtl-optimization/47166
3649         * reload1.c (emit_reload_insns): Disable the spill_reg_store
3650         mechanism for PRE_MODIFY and POST_MODIFY.
3651         (inc_for_reload): For PRE_MODIFY, return the insn that sets the
3652         reloadreg.
3654 2011-01-23  Andreas Schwab  <schwab@linux-m68k.org>
3656         * compare-elim.c (maybe_select_cc_mode): Add ATTRIBUTE_UNUSED markers.
3658 2011-01-22  Jan Hubicka  <jh@suse.cz>
3660         PR lto/47333
3661         * lto-cgraph.c (reachable_from_this_partition_p): Fix pasto.
3663 2011-01-22  Jan Hubicka  <jh@suse.cz>
3665         PR tree-optimization/43884
3666         PR lto/44334
3667         * predict.c (maybe_hot_frequency_p): Use entry block frequency as base.
3668         * doc/invoke.texi (hot-bb-frequency-fraction): Update docs.
3670 2011-01-22  Anatoly Sokolov  <aesok@post.ru>
3672         * config/s390/s390.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
3673         * config/s390/s390.c (s390_register_move_cost,
3674         s390_memory_move_cost): New.
3675         (TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.
3677 2011-01-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3679         PR middle-end/47401
3680         * except.c (sjlj_assign_call_site_values): Move setting the
3681         crtl->uses_eh_lsda flag to ...
3682         (sjlj_mark_call_sites): ... here.
3683         (sjlj_emit_function_enter): Support NULL dispatch label.
3684         (sjlj_build_landing_pads): In a function with no landing pads
3685         that still has must-not-throw regions, generate code to register
3686         a personality function with empty LSDA.
3688 2011-01-21  Richard Henderson  <rth@redhat.com>
3690         * config/rx/rx.c (TARGET_FLAGS_REGNUM): New.
3692         * config/mn10300/mn10300.c (TARGET_FLAGS_REGNUM): New.
3694         * compare-elim.c: New file.
3695         * Makefile.in (OBJS-common): Add it.
3696         (compare-elim.o): New.
3697         * common.opt (fcompare-elim): New.
3698         * opts.c (default_options_table): Add OPT_fcompare_elim.
3699         * tree-pass.h (pass_compare_elim_after_reload): New.
3700         * passes.c (init_optimization_passes): Add it.
3701         * recog.h: Protect against re-inclusion.
3702         * target.def (TARGET_FLAGS_REGNUM): New POD hook.
3703         * doc/invoke.texi (-fcompare-elim): Document it.
3704         * doc/tm.texi.in (TARGET_FLAGS_REGNUM): Document it.
3705         * doc/tm.texi: Rebuild.
3707 2011-01-22  Nick Clifton  <nickc@redhat.com>
3709         * config/rx/rx.md (cstoresf4): Pass comparison operator to
3710         rx_split_fp_compare.
3712 2011-01-22  Nick Clifton  <nickc@redhat.com>
3714         * config/rx/rx.md (UNSPEC_CONST): New.
3715         (deallocate_and_return): Wrap the amount popped off the stack in
3716         an UNSPEC_CONST in order to stop it being rejected by
3717         -mmax-constant-size.
3718         (pop_and_return): Add a "(return)" rtx.
3719         (call): Drop the immediate operand.
3720         (call_internal): Likewise.
3721         (call_value): Likewise.
3722         (call_value_internal): Likewise.
3723         (sibcall_internal): Likewise.
3724         (sibcall_value_internal): Likewise.
3725         (sibcall): Likewise.  Generate an explicit call using
3726         sibcall_internal.
3727         (sibcall_value): Likewise.
3728         (mov<>): FAIL if a constant operand is not legitimate.
3729         (addsi3_unpsec): New pattern.
3731         * config/rx/rx.c (rx_print_operand_address): Handle UNSPEC CONSTs.
3732         (ok_for_max_constant): New function.
3733         (gen_safe_add): New function.
3734         (rx_expand_prologue): Use gen_safe_add.
3735         (rx_expand_epilogue): Likewise.
3736         (rx_is_legitimate_constant): Use ok_for_max_constant.  Handle
3737         UNSPEC CONSTs.
3739 2011-01-21  Jeff Law  <law@redhat.com>
3741         PR tree-optimization/47053
3742         * tree-ssa-dse.c (need_eh_cleanup): New bitmap.
3743         (dse_optimize_stmt): Set the appropriate bit in NEED_EH_CLEANUP when
3744         statements are deleted.
3745         (tree_ssa_dse): Allocate & free NEED_EH_CLEANUP.  If NEED_EH_CLEANUP
3746         is nonempty, then purge dead edges and cleanup the CFG.
3748 2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
3750         PR debug/47402
3751         Temporarily revert:
3752         2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
3753         PR debug/47106
3754         * tree-dfa.c (create_var_ann): Mark variable as used.
3756 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
3758         PR middle-end/45566
3759         * except.c (convert_to_eh_region_ranges): Emit queued no-region
3760         notes from other section in hot/cold partitioning even if
3761         last_action is -3.  Increment call_site_base.
3763         PR rtl-optimization/47366
3764         * fwprop.c (forward_propagate_into): Return bool.  If
3765         any changes are made, -fnon-call-exceptions is used and
3766         REG_EH_REGION note is present, call purge_dead_edges
3767         and return true if it purged anything.
3768         (fwprop_addr): Adjust callers, call cleanup_cfg (0) if
3769         any EH edges were purged.
3771 2011-01-21  Jeff Law  <law@redhat.com>
3773         PR rtl-optimization/41619
3774         * caller-save.c (setup_save_areas): Break out code to determine
3775         which hard regs are live across calls by examining the reload chains
3776         so that it is always used.
3777         Eliminate code which checked REG_N_CALLS_CROSSED.
3779 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
3781         PR tree-optimization/47355
3782         * tree-eh.c (cleanup_empty_eh_merge_phis): Give up if
3783         NOP has non-debug uses beyond PHIs in new_bb.
3785 2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
3787         PR debug/47106
3788         * cfgexpand.c (account_used_vars_for_block): Only account vars
3789         that are annotated as used.
3790         (estimated_stack_frame_size): Don't set TREE_USED.
3791         * tree-dfa.c (create_var_ann): Mark variable as used.
3793 2011-01-21  Richard Guenther  <rguenther@suse.de>
3795         PR middle-end/47395
3796         * tree.def (WIDEN_MULT_MINUS_EXPR): Fix printed name.
3798 2011-01-21  Richard Guenther  <rguenther@suse.de>
3800         PR tree-optimization/47365
3801         * tree-ssa-sccvn.h (vn_lookup_kind): Declare.
3802         (vn_reference_lookup_pieces): Adjust.
3803         (vn_reference_lookup): Likewise.
3804         * tree-ssa-sccvn.c (vn_walk_kind): New static global.
3805         (vn_reference_lookup_3): Only look through kills if in
3806         VN_WALKREWRITE mode.
3807         (vn_reference_lookup_pieces): Adjust.
3808         (vn_reference_lookup): Likewise.
3809         (visit_reference_op_load): Likewise.
3810         (visit_reference_op_store): Likewise.
3811         * tree-ssa-pre.c (phi_translate_1): Use VN_WALK mode.
3812         (compute_avail): Likewise.
3813         (eliminate): Likewise.
3815 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
3817         * tree-ssa-live.c (remove_unused_scope_block_p): Don't remove
3818         DECL_IGNORED_P non-reg vars if they are used.
3820         PR tree-optimization/47391
3821         * varpool.c (const_value_known_p): Return false if
3822         decl is volatile.
3824 2011-01-21  Kai Tietz  <kai.tietz@onevision.com>
3826         PR bootstrap/47215
3827         * config/i386/i386.c (ix86_local_alignment): Handle
3828         case for va_list_type_node is nil.
3829         (ix86_canonical_va_list_type): Likewise.
3831 2011-01-21  Alan Modra  <amodra@gmail.com>
3833         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Add
3834         builtin_define __CMODEL_MEDIUM__ and __CMODEL_LARGE__.
3836 2011-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3838         * config/arm/arm.md (define_attr type): Rename f_load
3839         and f_store to f_fpa_load and f_fpa_store. Update.
3840         (write_conflict): Deal with rename fallout.
3841         (*push_fp_multi): Likewise.
3842         * config/arm/fpa.md (f_load): Use f_fpa_load.
3843         (f_store): Use f_fpa_store.
3844         (*movsf_fpa): Likewise.
3845         (*movdf_fpa): Likewise.
3846         (*movxf_fpa): Likewise.
3847         (*thumb2_movsf_fpa): Likewise.
3848         (*thumb2_movdf_fpa): Likewise.
3849         (*thumb2_movxf_fpa): Likewise.
3850         * config/arm/vfp.md (*thumb2_movdf_vfp): Fix attribute to
3851         f_loadd and f_stored.
3852         (*thumb2_movdi_vfp): Likewise.
3853         (*thumb2_movsf_vfp): Fix attribute to f_loads.
3854         (*thumb2_movsi_vfp): Likewise.
3855         * config/arm/cortex-m4-fpu.md (cortex_m4_f_load):
3856         Use f_loads instead of f_load.
3857         * config/arm/cortex-a5.md (cortex_a5_f_loads): Remove f_load.
3859 2011-01-20  Anatoly Sokolov  <aesok@post.ru>
3861         * config/xtensa/xtensa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
3862         * config/xtensa/xtensa-protos.h (constantpool_address_p): Remove.
3863         * config/xtensa/xtensa.c (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
3864         (xtensa_mode_dependent_address_p): New function.
3865         (constantpool_address_p): Make static. Change return type to bool.
3866         Change argument type to const_rtx. Use CONST_INT_P predicate.
3868 2011-01-20  Alexandre Oliva  <aoliva@redhat.com>
3870         PR debug/46583
3871         * tree-ssa-live.c (remove_unused_scope_block_p): Keep type decls.
3873 2011-01-20  Jakub Jelinek  <jakub@redhat.com>
3875         PR debug/47283
3876         * cfgexpand.c (expand_debug_expr): Instead of generating
3877         (mem (debug_implicit_ptr)) for MEM_REFs use COMPONENT_REF
3878         etc. handling.
3880 2011-01-20  Richard Guenther  <rguenther@suse.de>
3882         PR middle-end/47370
3883         * tree-inline.c (remap_gimple_op_r): Recurse manually for
3884         the pointer operand of MEM_REFs.
3886 2011-01-20  Jakub Jelinek  <jakub@redhat.com>
3888         PR tree-optimization/46130
3889         * ipa-split.c (consider_split): If return_bb contains non-virtual
3890         PHIs other than for retval or if split_function would not adjust it,
3891         refuse to split.
3893 2011-01-20  Richard Guenther  <rguenther@suse.de>
3895         PR tree-optimization/47167
3896         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
3897         Revert previous change, only avoid enumeral type changes.
3899 2011-01-19  Mike Stump  <mikestump@comcast.net>
3901         * doc/tm.texi.in (BRANCH_COST): Englishify.
3902         * doc/tm.texi (BRANCH_COST): Likewise.
3904 2011-01-19  Dodji Seketeli  <dodji@redhat.com>
3906         PR c++/47291
3907         * dwarf2out.c (generic_type_p, schedule_generic_params_dies_gen)
3908         (gen_scheduled_generic_parms_dies): New functions.
3909         (gen_struct_or_union_type_die): Schedule template parameters DIEs
3910         generation for the end of CU compilation.
3911         (dwarf2out_finish): Generate template parameters DIEs here.
3913 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
3915         PR debug/46240
3916         * tree-into-ssa.c (maybe_register_def): Do not attempt to add
3917         debug bind stmt on merge edges.
3919 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
3921         PR debug/47079
3922         PR debug/46724
3923         * function.c (instantiate_expr): Instantiate incoming rtl of
3924         implicit arguments, and recurse on VALUE_EXPRs.
3925         (instantiate_decls): Instantiate rtl and VALUE_EXPR of result.
3926         * var-tracking.c (adjust_mems): Reject virtual_incoming_args_rtx.
3928 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
3930         * c-parser.c (c_parser_for_statement): Initialize
3931         collection_expression.
3933 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
3935         * config/spu/spu-elf.h (ASM_SPEC): Remove %{w:-W}.
3937 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
3939         * config/rs6000/sysv4.h (LINK_PATH_SPEC): Remove.
3940         (LINK_SHLIB_SPEC): Don't use %(link_path).
3941         (SUBTARGET_EXTRA_SPECS): Remove link_path.
3943 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
3945         * config/rs6000/sysv4.h (SHARED_LIB_SUPPORT): Remove conditional.
3946         (NO_SHARED_LIB_SUPPORT): Remove.
3947         (LINK_SHLIB_SPEC): Remove one conditional definition.
3949 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
3951         * config/mips/linux64.h (LINK_SPEC): Remove %{non_shared}
3952         %{call_shared}.
3953         * config/mips/mips.h (LINK_SPEC): Remove %{non_shared}.
3954         * config/mips/netbsd.h (LINK_SPEC): Remove %{call_shared}.
3955         * config/mips/openbsd.h (LINK_SPEC): Remove %{non_shared}
3956         %{call_shared} and conditionals on these options not being passed.
3957         * config/mips/sde.h (LINK_SPEC): Remove %{non_shared}
3958         %{call_shared}.
3960 2011-01-19  Jakub Jelinek  <jakub@redhat.com>
3962         * ipa-split.c (find_return_bb): Use single_pred_p/single_pred_edge,
3963         simplify.
3965         * ipa-split.c: Spelling fixes.
3967 2011-01-19  Richard Henderson  <rth@redhat.com>
3969         * config/mn10300/mn10300.md (mulsi3): Use reg_or_am33_const_operand.
3970         (*mulsi3): Likewise.
3972         * longlong.h [__mn10300__] (count_leading_zeros): New.
3973         [__mn10300__] (umul_ppmm, smul_ppmm): New.
3974         [__mn10300__] (add_ssaaaa, subddmmss): New.
3975         [__mn10300__] (udiv_qrnnd, sdiv_qrnnd): New.
3976         [__mn10300__] (UMUL_TIME, UDIV_TIME): New.
3978 2011-01-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3980         * config/spu/spu.h (MOVE_RATIO): Return 4 in the !speed case.
3982 2011-01-19  Richard Henderson  <rth@redhat.com>
3984         * config/mn10300/mn10300.md (addsi3_flags): New.
3985         (addc_internal, adddi3, adddi3_internal, *adddi3_degenerate): New.
3986         (subsi3_flags, subc_internal, subdi3): New.
3987         (subdi3_internal, *subdi3_degenerate): New.
3988         * config/mn10300/predicates.md (reg_or_am33_const_operand): New.
3990         * config/mn10300/mn10300.c (mn10300_can_use_retf_insn): New.
3991         (mn10300_can_use_rets_insn): Rename from mn10300_can_use_return_insn.
3992         (mn10300_expand_epilogue): Use it.  Compute REG_SAVE_BYTES once.
3993         * config/mn10300/mn10300-protos.h: Update.
3994         * config/mn10300/mn10300.md (return): Use mn10300_can_use_retf_insn.
3995         (return_ret): Likewise.  Rename from return_internal_regs.
3996         (return_internal): Remove.
3998         * config/mn10300/mn10300.c (mn10300_unspec_int_label_counter): Remove.
3999         (mn10300_asm_output_addr_const_extra): Don't handle UNSPEC_INT_LABEL.
4000         (mn10300_legitimate_constant_p): Likewise.
4001         (mn10300_can_use_return_insn): Use mn10300_initial_offset.
4002         (mn10300_frame_size): New.
4003         (mn10300_expand_prologue): Use it.
4004         (mn10300_expand_epilogue): Likewise.
4005         (mn10300_initial_offset): Likewise.
4006         * config/mn10300/mn10300-protos.h: Update.
4007         * config/mn10300/mn10300.h (mn10300_unspec_int_label_counter): Remove.
4008         * config/mn10300/mn10300.md (UNSPEC_INT_LABEL): Remove.
4009         (prologue, epilogue, return_internal): Tidy output code.
4010         (mn10300_store_multiple_operation, return): Likewise.
4011         (int_label, pop_pic_reg, GOTaddr2picreg): Remove.
4012         (am33_loadPC, mn10300_loadPC, call_next_insn): Remove.
4013         (add_GOT_to_pic_reg, add_GOT_to_any_reg): Remove.
4014         (load_pic, am33_load_pic): New.
4015         (mn10300_load_pic0, mn10300_load_pic1): New.
4017         * config/mn10300/mn10300-modes.def (CCZN, CCZNC): New modes.
4018         * config/mn10300/mn10300.c (CC_FLAG_Z): New.
4019         (CC_FLAG_N, CC_FLAG_C, CC_FLAG_V): New.
4020         (cc_flags_for_mode, cc_flags_for_code): New.
4021         (mn10300_print_operand) ['B']: Use nc/ns for GE/LT when the
4022         overflow flag is not valid.  Validate that the flags we need
4023         for the comparison are valid.
4024         (mn10300_output_cmp): Remove.
4025         (mn10300_output_add): New.
4026         (mn10300_select_cc_mode): Use cc_flags_for_code.
4027         (mn10300_split_cbranch): New.
4028         (mn10300_match_ccmode): New.
4029         (mn10300_split_and_operand_count): New.
4030         * config/mn10300/mn10300.h (SELECT_CC_MODE): Pass all of the arguments
4031         to the function.
4032         * config/mn10300/mn10300.md (*am33_addsi3, *mn10300_addsi3): Merge...
4033         (addsi3): ... here.  Use mn10300_output_add.
4034         (*addsi3_flags): New.
4035         (*am33_subsi3, *mn10300_subsi3): Merge...
4036         (subsi3): ... here.  Use attribute isa.
4037         (*subsi3_flags): New.
4038         (negsi2): Rewrite from expander to insn_and_split.  Use NOT+INC
4039         when possible.
4040         (*am33_andsi3, *mn10300_andsi3): Merge...
4041         (andsi3): ... here.
4042         (*andsi3_flags): New.
4043         (andsi3 splitters): New.
4044         (*am33_iorsi3, *mn10300_iorsi3): Merge...
4045         (iorsi3): ... here.
4046         (*iorsi3_flags): New.
4047         (*am33_xorsi3, *mn10300_xorsi3): Merge...
4048         (xorsi3): ... here.
4049         (*xorsi3_flags): New.
4050         (*am33_cmpsi2, *mn10300_cmplsi2): Merge...
4051         (one_cmplsi2): ... here.
4052         (*one_cmplsi2_flags): New.
4053         (*cbranchsi4_cmp): Rename from cbranchsi4_post_reload.  Use "r"
4054         instead of "dax" in constraints.  Use mn10300_split_cbranch.
4055         (*cmpsi): Rename from cmpsi.  Do not use mn10300_output_cmp.  Do not
4056         use matching constraints to eliminate a self-comparison.
4057         (*integer_conditional_branch): Rename from integer_conditional_branch.
4058         Use int_mode_flags to match CC_REG.
4059         (*cbranchsi4_btst, *btstsi): New.
4060         (*cbranchsf4_cmp): Rename from *cbranchsf4_post_reload.  Use
4061         mn10300_split_cbranch.
4062         (*am33_cmpsf): Rename from am33_cmpsf.
4063         (*float_conditional_branch): Rename from float_conditional_branch.
4064         (*zero_extendqisi2_am33, *zero_extendqisi2_mn10300): Merge...
4065         (zero_extendqisi2): ... here.
4066         (*zero_extendhisi2_am33, *zero_extendhisi2_mn10300): Merge...
4067         (zero_extendhisi2): ... here.
4068         (*extendqisi2_am33, *extendqisi2_mn10300): Merge...
4069         (extendqisi2): ... here.
4070         (*extendhisi2_am33, *extendhisi2_mn10300): Merge...
4071         (extendhisi2): ... here.
4072         (*am33_ashlsi3, *mn10300_ashlsi3): Merge...
4073         (ashlsi3): ... here.
4074         (*am33_lshrsi3, *mn10300_lshrsi3): Merge...
4075         (lshrsi3): ... here.
4076         (*am33_ashrisi3, *mn10300_ashrsi3): Merge...
4077         (ashrsi3): ... here.
4078         (consecutive add peephole): Remove.
4079         * config/mn10300/predicates.md (label_ref_operand): New.
4080         (int_mode_flags): New.
4081         (CCZN_comparison_operator): New.
4083         * config/mn10300/mn10300.md (UNSPEC_EXT): New.
4084         (throughput_42_latency_43): New reservation.
4085         (mulsidi3, umulsidi3): New expanders.
4086         (mulsidi3_internal): Rewrite from old mulsidi3 pattern.  Expose
4087         the MDR register to allocation; separately allocate the low and
4088         high parts of the DImode result.
4089         (umulsidi3_internal): Similarly.
4090         (*am33_mulsi3, *mn10300_mulsi3): Merge into ...
4091         (*mulsi3): ... here.  Clobber MDR as a scratch as necessary.
4092         (udivsi3, umodsi3): Remove.
4093         (udivmodsi4, divmodsi4): New expanders.
4094         (*udivmodsi4): Rename from udivmodsi4.  Expose MDR properly.
4095         (*divmodsi4): Simiarly.
4096         (ext_internal): New.
4098         * config/mn10300/constraints.md ("z"): New constraint.
4099         * config/mn10300/mn10300.h (MDR_REGNUM): Remove.
4100         (FIXED_REGISTERS): Don't fix MDR.
4101         (CALL_USED_REGSITERS): Reformat nicely.
4102         (REG_ALLOC_ORDER): Add MDR.
4103         (enum regclass): Add MDR_REGS.
4104         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update to match.
4105         (IRA_COVER_CLASSES): Add MDR_REGS.
4106         (REGNO_REG_CLASS): Handle MDR_REG.
4107         * config/mn10300/mn10300.c (mn10300_secondary_reload): Handle MDR_REGS.
4108         (mn10300_register_move_cost): Likewise.
4109         * config/mn10300/mn10300.md (MDR_REG): New.
4110         (*movsi_internal): Handle moves to/from MDR_REGS.
4112         * config/mn10300/mn10300.c (mn10300_print_operand_address): Handle
4113         POST_MODIFY.
4114         (mn10300_secondary_reload): Tidy combination reload classes.
4115         (mn10300_legitimate_address_p): Allow post-modify and reg+reg
4116         addresses for AM33.  Allow symbolic offsets for reg+imm.
4117         (mn10300_regno_in_class_p): New.
4118         (mn10300_legitimize_reload_address): New.
4119         * config/mn10300/mn10300.h (enum reg_class): Remove
4120         DATA_OR_ADDRESS_REGS, DATA_OR_EXTENDED_REGS, ADDRESS_OR_EXTENDED_REGS,
4121         SP_OR_EXTENDED_REGS, SP_OR_ADDRESS_OR_EXTENDED_REGS.  Add
4122         SP_OR_GENERAL_REGS.
4123         (REG_CLASS_NAMES): Update to match.
4124         (REG_CLASS_CONTENTS): Likewise.
4125         (INDEX_REG_CLASS): Use GENERAL_REGS for AM33.
4126         (BASE_REG_CLASS): Use SP_OR_GENERAL_REGS for AM33.
4127         (REGNO_IN_RANGE_P): Remove.
4128         (REGNO_DATA_P): Use mn10300_regno_in_class_p.
4129         (REGNO_ADDRESS_P, REGNO_EXTENDED_P): Likewise.
4130         (REGNO_STRICT_OK_FOR_BASE_P): Likewise.
4131         (REGNO_STRICT_OK_FOR_BIT_BASE_P): Likewise.
4132         (REGNO_STRICT_OK_FOR_INDEX_P): Likewise.
4133         (REGNO_SP_P, REGNO_AM33_P, REGNO_FP_P): Remove.
4134         (REGNO_GENERAL_P): New.
4135         (HAVE_POST_MODIFY_DISP): New.
4136         (USE_LOAD_POST_INCREMENT, USE_STORE_POST_INCREMENT): New.
4137         (LEGITIMIZE_RELOAD_ADDRESS): New.
4138         * config/mn10300/mn10300-protos.h: Update.
4140         * config/mn10300/mn10300.c (mn10300_preferred_reload_class): Allow
4141         DATA_REGS for AM33 stack-pointer destination.
4142         (mn10300_preferred_output_reload_class): Likewise.
4143         (mn10300_secondary_reload): Rearrange mn10300_secondary_reload_class
4144         into a form appropriate for ...
4145         (TARGET_SECONDARY_RELOAD): New.
4146         * config/mn10300/mn10300.h (SECONDARY_RELOAD_CLASS): Remove.
4147         * config/mn10300/mn10300-protos.h: Update.
4148         * config/mn10300/mn10300.md (reload_plus_sp_const): Rename from
4149         reload_insi; use the "A" constraint for the scratch; handle AM33
4150         moves of sp to non-address registers.
4152         * config/mn10300/mn10300.md (*am33_movqi, *mn10300_movqi): Merge into
4153         (*movqi_internal): ... here.
4154         (*am33_movhi, *mn10300_movhi): Merge into...
4155         (*movhi_internal): ... here.
4156         (*movsi_internal): Use "r" instead of "dax" in constraints.  Use "A"
4157         as the source/destination of moves from/to SP.
4158         (movsf): Only allow for AM33-2.
4159         (*movsf_internal): Use "r" instead of "dax"; use "F" instead of
4160         any integer constant constraint.  Only allow for AM33-2.  Tidy
4161         all of the alternative outputs.
4162         (movdi, movdf, *am33_2_movdf, *mn10300_movdf): Remove.
4163         (udivmodsi4): Delete expander and promote *udivmodsi4.  Disallow
4164         for MN103.
4165         (udivsi3, umodsi3): New patterns for MN103 only.
4167 2011-01-19  Joern Rennecke  <amylaar@spamcop.net>
4169         * doc/tm.texi.in: Spell out that a lack of register class unions
4170         can lead to ICEs.
4171         * doc/tm.texi: Regenerate.
4173 2011-01-19  Jakub Jelinek  <jakub@redhat.com>
4175         PR rtl-optimization/47337
4176         * dce.c (check_argument_store): New function.
4177         (find_call_stack_args): Ignore debug insns.  Use check_argument_store.
4179         PR tree-optimization/47290
4180         * tree-eh.c (infinite_empty_loop_p): New function.
4181         (cleanup_empty_eh): Use it.
4183 2011-01-18  Steve Ellcey  <sje@cup.hp.com>
4185         PR target/46997
4186         * ia64.c (ia64_expand_unpack): Fix code for TARGET_BIG_ENDIAN.
4187         (a64_expand_widen_sum): Ditto.
4188         * vect.md (mulv2si3): Disable for TARGET_BIG_ENDIAN.
4189         (vec_extract_evenodd_help): Ditto.
4190         (vec_extract_evenv4hi): Ditto.
4191         (vec_extract_oddv4hi): Ditto.
4192         (vec_extract_evenv2si): Ditto.
4193         (vec_extract_oddv2si): Ditto.
4194         (vec_extract_evenv2sf): Ditto.
4195         (vec_extract_oddv2sf): Ditto.
4196         (vec_pack_trunc_v4hi: Ditto.
4197         (vec_pack_trunc_v2si): Ditto.
4198         (vec_interleave_lowv8qi): Fix for TARGET_BIG_ENDIAN.
4199         (vec_interleave_highv8qi): Ditto.
4200         (mix1_r): Ditto.
4201         (vec_extract_oddv8qi): Ditto.
4202         (vec_interleave_lowv4hi): Ditto.
4203         (vec_interleave_highv4hi): Ditto.
4204         (vec_interleave_lowv2si): Ditto.
4205         (vec_interleave_highv2si): Ditto.
4207 2011-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4209         * doc/extend.texi: Mention __float128 support on hppa HP-UX.
4210         * config/pa/pa-hpux.h (HPUX_LONG_DOUBLE_LIBRARY): Define to 1.
4211         * config/pa/pa.c (pa_expand_builtin): New.  Include "langhooks.h".
4212         (pa_c_mode_for_suffix): New.
4213         (TARGET_EXPAND_BUILTIN): Define.
4214         (TARGET_C_MODE_FOR_SUFFIX): Define.
4215         (pa_builtins): Define.
4216         (pa_init_builtins): Register __float128 type and init new support
4217         builtins.
4218         * config/pa/pa.h (HPUX_LONG_DOUBLE_LIBRARY): Define if not defined.
4219         * config/pa/quadlib.c (_U_Qfcopysign): New.
4221 2011-01-18  Eric Botcazou  <ebotcazou@adacore.com>
4223         PR middle-end/46894
4224         * explow.c (allocate_dynamic_stack_space): Do not assume more than
4225         BITS_PER_UNIT alignment if STACK_DYNAMIC_OFFSET or STACK_POINTER_OFFSET
4226         are defined.
4228 2011-01-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4230         PR tree-optimization/47179
4231         * config/spu/spu.c (spu_ref_may_alias_errno): New function.
4232         (TARGET_REF_MAY_ALIAS_ERRNO): Define.
4234 2011-01-18  Richard Guenther  <rguenther@suse.de>
4236         PR rtl-optimization/47216
4237         * emit-rtl.c: Include tree-flow.h.
4238         (set_mem_attributes_minus_bitpos): Use tree_could_trap_p instead
4239         of replicating it with different semantics.
4240         * Makefile.in (emit-rtl.o): Adjust.
4242 2011-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4244         * config/arm/cortex-a9.md (cortex-a9-neon.md): Actually include.
4245         (cortex_a9_dp): Handle neon types correctly.
4247 2011-01-18  Jakub Jelinek  <jakub@redhat.com>
4249         PR rtl-optimization/47299
4250         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: Don't use
4251         subtarget.  Use normal multiplication if both operands are constants.
4252         * expmed.c (expand_widening_mult): Don't try to optimize constant
4253         multiplication if op0 has VOIDmode.  Convert op1 constant to mode
4254         before using it.
4256 2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4258         * doc/lto.texi (LTO): Ensure two spaces after period.  Fix
4259         spacing after 'e.g.', typos, comma, hyphenation.
4261 2011-01-17  Richard Henderson  <rth@redhat.com>
4263         * config/rx/predicates.md (rx_constshift_operand): Use match_test.
4264         (rx_restricted_mem_operand): New.
4265         (rx_shift_operand): Use register_operand.
4266         (rx_source_operand, rx_compare_operand): Likewise.
4267         * config/rx/rx.md (addsi3_flags): New expander.
4268         (adddi3): Rewrite as expander.
4269         (adc_internal, *adc_flags, adddi3_internal): New patterns.
4270         (subsi3_flags): New expander.
4271         (subdi3): Rewrite as expander.
4272         (sbb_internal, *sbb_flags, subdi3_internal): New patterns.
4274         * config/rx/rx.c (RX_BUILTIN_SAT): Remove.
4275         (rx_init_builtins): Remove sat builtin.
4276         (rx_expand_builtin): Likewise.
4277         * config/rx/rx.md (ssaddsi3): New.
4278         (*sat): Rename from sat.  Represent the CC_REG input.
4280         * config/rx/predicates.md (rshift_operator): New.
4281         * config/rx/rx.c (rx_expand_insv): Remove.
4282         * config/rx/rx-protos.h: Update.
4283         * config/rx/rx.md (*bitset): Rename from bitset.  Swap the ashift
4284         operand to the canonical position.
4285         (*bitset_in_memory, *bitinvert, *bitinvert_in_memory): Similarly.
4286         (*bitclr, *bitclr_in_memory): Similarly.
4287         (*insv_imm, rx_insv_reg, *insv_cond, *bmcc, *insv_cond_lt): New.
4288         (insv): Retain the zero_extract in the expansion.
4290         * config/rx/rx.md (bswapsi2): Use = not + for output reload.
4291         (bswaphi2, bitinvert, revw): Likewise.
4293         * config/rx/rx.c (gen_rx_store_vector): Use VOIDmode for gen_rtx_SET.
4294         (gen_rx_rtsd_vector, gen_rx_popm_vector): Likewise.
4295         * config/rx/rx.md (pop_and_return): Use VOIDmode for SET.
4296         (stack_push, stack_pushm, stack_pop, stack_popm): Likewise.
4297         (bitset, bitset_in_memory): Likewise.
4298         (bitinvert, bitinvert_in_memory): Likewise.
4299         (bitclr, bitclr_in_memory): Likewise.
4300         (insv, sync_lock_test_and_setsi, movstr, rx_movstr): Likewise.
4301         (rx_strend, rx_cmpstrn): Likewise.
4302         (rx_setmem): Likewise.  Make the source BLKmode to match the dest.
4303         (bitop peep2 patterns): Remove.
4305         * config/rx/rx.c (rx_match_ccmode): New.
4306         * config/rx/rx-protos.h: Update.
4307         * config/rx/rx.md (abssi2): Clobber, don't set flags.
4308         (addsi3, adddi3, andsi3, negsi2, one_cmplsi2, iorsi3): Likewise.
4309         (rotlsi3, rotrsi3, ashrsi3, lshrsi3, ashlsi3): Likewise.
4310         (subsi3, subdi3, xorsi3, addsf3, divsf3, mulsf3, subsf3): Likewise.
4311         (fix_truncsfsi2, floatsisf2): Likewise.
4312         (*abssi2_flags, *addsi3_flags, *andsi3_flags, *negsi2_flags): New.
4313         (*one_cmplsi2_flags, *iorsi3_flags, *rotlsi3_flags): New.
4314         (*rotrsi3_flags, *ashrsi3_flags, *lshrsi3_flags, *ashlsi3_flags): New.
4315         (*subsi3_flags, *xorsi3_flags): New.
4317         * config/rx/rx.md (cstoresf4, *cstoresf4): New patterns.
4319         * config/rx/rx.c (rx_print_operand): Remove workaround for
4320         unsplit comparison operations.
4322         * config/rx/rx.md (movsicc): Split after reload.
4323         (*movsicc): Merge *movsieq and *movsine via match_operator.
4324         (*stcc): New pattern.
4326         * config/rx/rx.c (rx_float_compare_mode): Remove.
4327         * config/rx/rx.h (rx_float_compare_mode): Remove.
4328         * config/rx/rx.md (cstoresi4): Split after reload.
4329         (*sccc): New pattern.
4331         * config/rx/predicates.md (label_ref_operand): New.
4332         (rx_z_comparison_operator): New.
4333         (rx_zs_comparison_operator): New.
4334         (rx_fp_comparison_operator): New.
4335         * config/rx/rx.c (rx_print_operand) [B]: Examine comparison modes.
4336         Validate that the flags are set properly for the comparison.
4337         (rx_gen_cond_branch_template): Remove.
4338         (rx_cc_modes_compatible): Remove.
4339         (mode_from_flags): New.
4340         (flags_from_code): Rename from flags_needed_for_conditional.
4341         (rx_cc_modes_compatible): Re-write in terms of flags_from_mode.
4342         (rx_select_cc_mode): Likewise.
4343         (rx_split_fp_compare): New.
4344         (rx_split_cbranch): New.
4345         * config/rx/rx.md (most_cond, zs_cond): Remove iterators.
4346         (*cbranchsi4): Use match_operator and rx_split_cbranch.
4347         (*cbranchsf4): Similarly.
4348         (*cbranchsi4_tst): Rename from *tstbranchsi4_<code>.  Use
4349         match_operator and rx_split_cbranch.
4350         (*cbranchsi4_tst_ext): Combine *tstbranchsi4m_eq and
4351         tstbranchsi4m_ne.  Use match_operator and rx_split_cbranch.
4352         (*cmpsi): Rename from cmpsi.
4353         (*tstsi): Rename from tstsi.
4354         (*cmpsf): Rename from cmpsf; use CC_Fmode.
4355         (*conditional_branch): Rename from conditional_branch.
4356         (*reveresed_conditional_branch): Remove.
4357         (b<code>): Remove expander.
4358         * config/rx/rx-protos.h: Update.
4360         * config/rx/rx.c (rx_compare_redundant): Remove.
4361         * config/rx/rx.md (cmpsi): Don't use it.
4362         * config/rx/rx-protos.h: Update.
4364         * config/rx/rx-modes.def (CC_F): New mode.
4365         * config/rx/rx.c (rx_select_cc_mode): New.
4366         * config/rx/rx.h (SELECT_CC_MODE): Use it.
4367         * config/rx/rx-protos.h: Update.
4369 2011-01-17  Richard Henderson  <rth@redhat.com>
4371         * except.c (dump_eh_tree): Fix stray ; after for statement.
4373 2011-01-17  Richard Guenther  <rguenther@suse.de>
4375         PR tree-optimization/47313
4376         * tree-inline.c (tree_function_versioning): Move DECL_RESULT
4377         handling before copying the body.  Properly deal with
4378         by-reference result in SSA form.
4380 2011-01-17  Ian Lance Taylor  <iant@google.com>
4382         PR target/47219
4383         * config/sparc/sparc.c (sparc_sr_alias_set): Don't define.
4384         (struct_value_alias_set): Don't define.
4385         (sparc_option_override): Don't set sparc_sr_alias_set and
4386         struct_value_alias_set.
4387         (save_or_restore_regs): Use gen_frame_mem rather than calling
4388         set_mem_alias_set.
4389         (sparc_struct_value_rtx): Likewise.
4391 2011-01-17  H.J. Lu  <hongjiu.lu@intel.com>
4393         PR target/47318
4394         * config/i386/avxintrin.h (_mm_maskload_pd): Change mask to
4395         __m128i.
4396         (_mm_maskstore_pd): Likewise.
4397         (_mm_maskload_ps): Likewise.
4398         (_mm_maskstore_ps): Likewise.
4399         (_mm256_maskload_pd): Change mask to __m256i.
4400         (_mm256_maskstore_pd): Likewise.
4401         (_mm256_maskload_ps): Likewise.
4402         (_mm256_maskstore_ps): Likewise.
4404         * config/i386/i386-builtin-types.def: Updated.
4405         (ix86_expand_special_args_builtin): Likewise.
4407         * config/i386/i386.c (bdesc_special_args): Update
4408         __builtin_ia32_maskloadpd, __builtin_ia32_maskloadps,
4409         __builtin_ia32_maskloadpd256, __builtin_ia32_maskloadps256,
4410         __builtin_ia32_maskstorepd, __builtin_ia32_maskstoreps,
4411         __builtin_ia32_maskstorepd256 and __builtin_ia32_maskstoreps256.
4413         * config/i386/sse.md (avx_maskload<ssemodesuffix><avxmodesuffix>):
4414         Use <avxpermvecmode> on mask register.
4415         (avx_maskstore<ssemodesuffix><avxmodesuffix>): Likewise.
4417 2011-01-17  Olivier Hainque  <hainque@adacore.com>
4418             Michael Haubenwallner  <michael.haubenwallner@salomon.at>
4419             Eric Botcazou  <ebotcazou@adacore.com>
4421         PR target/46655
4422         * xcoffout.c (ASM_OUTPUT_LINE): Output line only if positive, and only
4423         if <= USHRT_MAX in 32-bit mode.
4425 2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4427         * doc/install.texi (Configuration, Specific): Wrap long
4428         lines in examples.  Allow line wrapping in long options
4429         and URLs where beneficial for PDF output.
4431 2011-01-16  Richard Sandiford  <rdsandiford@googlemail.com>
4433         * config/mips/mips.c (mips_classify_symbol): Don't return
4434         SYMBOL_PC_RELATIVE for nonlocal labels.
4436 2011-01-15  Eric Botcazou  <ebotcazou@adacore.com>
4438         * config/sparc/sol2-bi.h (CC1_SPEC): Fix typo.
4440 2011-01-15  Jan Hubicka  <jh@suse.cz>
4442         PR tree-optimization/47276
4443         * ipa.c (function_and_variable_visibility): Do not try to mark alias
4444         declarations as needed.
4446 2011-01-15  Martin Jambor  <mjambor@suse.cz>
4448         * common.opt (fdevirtualize): New flag.
4449         * doc/invoke.texi (Option Summary): Document it.
4450         * opts.c (default_options_table): Add devirtualize flag.
4451         * ipa-prop.c (detect_type_change): Return immediately if
4452         devirtualize flag is not set.
4453         (detect_type_change_ssa): Likewise.
4454         (compute_known_type_jump_func): Likewise.
4455         (ipa_analyze_virtual_call_uses): Likewise.
4457 2011-01-14  Martin Jambor  <mjambor@suse.cz>
4459         PR tree-optimization/45934
4460         PR tree-optimization/46302
4461         * ipa-prop.c (type_change_info): New type.
4462         (stmt_may_be_vtbl_ptr_store): New function.
4463         (check_stmt_for_type_change): Likewise.
4464         (detect_type_change): Likewise.
4465         (detect_type_change_ssa): Likewise.
4466         (compute_complex_assign_jump_func): Check for dynamic type change.
4467         (compute_complex_ancestor_jump_func): Likewise.
4468         (compute_known_type_jump_func): Likewise.
4469         (compute_scalar_jump_functions): Likewise.
4470         (ipa_analyze_virtual_call_uses): Likewise.
4471         (ipa_analyze_node): Push and pop cfun, set current_function_decl.
4473 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
4475         * config/i386/i386.h (CC1_CPU_SPEC_1): Don't handle -msse5.
4476         * config/i386/i386.opt (msse5): New Alias.
4478 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
4480         * config/sparc/linux.h (CC1_SPEC): Remove %{sun4:} %{target:}.
4481         * config/sparc/linux64.h (CC1_SPEC): Likewise.
4482         * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
4483         * config/sparc/sparc.h (CC1_SPEC): Likewise.
4485 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
4487         * config/sparc/linux.h (CC1_SPEC): Don't handle old equivalents of
4488         -mcpu options.
4489         * config/sparc/linux64.h (CC1_SPEC): Likewise.
4490         * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
4491         * config/sparc/sol2-bi.h (CPP_CPU_SPEC, CC1_SPEC): Likewise.
4492         * config/sparc/sparc.h (CPP_CPU_SPEC, CC1_SPEC, ASM_CPU_SPEC):
4493         Likewise.
4494         * config/sparc/t-elf (MULTILIB_MATCHES): Don't handle -mv8.
4496 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
4498         * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -fvec or -fvec-eabi.
4500 2011-01-14  Mike Stump  <mikestump@comcast.net>
4502         * config/alpha/alpha.md (umk_mismatch_args): Don't put a mode on set.
4503         * config/fr30/fr30.md: Likweise
4504         (movsi_push): Likewise.
4505         (movsi_pop): Likewise.
4506         (enter_func): Likewise.
4507         * config/moxie/moxie.md (movsi_push): Likewise.
4508         (movsi_pop): Likewise.
4510 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
4512         * config/mips/linux64.h (LINK_SPEC): Remove %{bestGnum}
4513         %{no_archive} %{exact_version}.
4514         * config/mips/mips.h (LINK_SPEC): Remove %{bestGnum}.
4515         * config/mips/netbsd.h (LINK_SPEC): Remove %{bestGnum}
4516         %{no_archive} %{exact_version}.
4517         * config/mips/openbsd.h (LINK_SPEC): Likewise.
4518         * config/mips/sde.h (LINK_SPEC): Remove %{bestGnum}.
4519         * config/mips/vxworks.h: Likewise.
4521 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
4523         * config/microblaze/microblaze.h (ASM_SPEC): Remove %{microblaze1}.
4525 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
4527         * config/m32r/little.h (CPP_ENDIAN_SPEC, CC1_ENDIAN_SPEC,
4528         ASM_ENDIAN_SPEC, LINK_ENDIAN_SPEC): Remove.
4530 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
4532         * config/i386/nwld.h (LINK_SPEC): Check -nodefaultlibs not
4533         -nodefaultlib.
4535 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
4537         * config/cris/cris.h (ASM_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check
4538         for mcpu not cpu.
4539         * config/cris/linux.h (CRIS_CPP_SUBTARGET_SPEC,
4540         CRIS_CC1_SUBTARGET_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check for mcpu
4541         not cpu.
4542         (CRIS_LINK_SUBTARGET_SPEC): Don't generate -rpath-link options.
4543         Don't handle -shlib.
4545 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
4547         * config/avr/avr.h (CPP_SPEC): Don't handle -posix.
4548         (CC1_SPEC): Don't handle -profile.
4550 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
4552         * config/microblaze/microblaze.h (CC1_SPEC): Remove -gline spec.
4553         * config/mips/mips.h (CC1_SPEC): Likewise.
4555 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
4557         * config/microblaze/microblaze.h (CC1_SPEC): Remove %{save-temps: }.
4558         * config/mips/mips.h (CC1_SPEC): Likewise.
4560 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
4562         * config/i386/linux.h (LINK_SPEC): Don't use %{!ibcs:} conditional.
4563         * config/m32r/linux.h (LINK_SPEC): Likewise.
4564         * config/mips/linux.h (LINK_SPEC): Likewise.
4565         * config/mips/linux64.h (LINK_SPEC): Likewise.
4566         * config/sparc/linux.h (LINK_SPEC): Likewise.
4567         * config/sparc/linux64.h (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
4568         LINK_SPEC): Likewise.
4569         * config/xtensa/linux.h (LINK_SPEC): Likewise.
4571 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
4573         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove
4574         %{version:-v}.
4575         * config/lm32/uclinux-elf.h (LINK_SPEC): Likewise.
4577 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
4579         * config/sparc/sp-elf.h (ASM_SPEC): Remove %{v:-V}.
4580         * config/sparc/sp64-elf.h (ASM_SPEC): Likewise.
4582 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
4584         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove %{b}.
4586 2011-01-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4588         * configure.ac (gcc_cv_ld_static_dynamic): Solaris 2 ld always
4589         supports -Bstatic/-Bdynamic.
4590         * configure: Regenerate.
4592 2011-01-14  Jan Hubicka  <jh@suse.cz>
4593             Jack Howarth  <howarth@bromo.med.uc.edu>
4595         PR target/46037
4596         * config/darwin.c (darwin_override_options): Honor flag_gtoggle
4597         when checking debug_info_level. Test write_symbols instead of
4598         debug_hooks->var_location when setting flag_var_tracking_uninit.
4600 2011-01-14  Richard Guenther  <rguenther@suse.de>
4602         PR tree-optimization/47179
4603         * target.def (ref_may_alias_errno): New target hook.
4604         * targhooks.h (default_ref_may_alias_errno): Declare.
4605         * targhooks.c: Include tree-ssa-alias.h and tree-flow.h.
4606         (default_ref_may_alias_errno): New function.
4607         * target.h (struct ao_ref_s): Declare.
4608         * tree-ssa-alias.c: Include target.h.
4609         (call_may_clobber_ref_p_1): Use the ref_may_alias_errno target hook.
4610         * Makefile.in (tree-ssa-alias.o): Adjust dependencies.
4611         (targhooks.o): Likewise.
4612         * doc/tm.texi.in (TARGET_REF_MAY_ALIAS_ERRNO): Document.
4613         * doc/tm.texi (TARGET_REF_MAY_ALIAS_ERRNO): Copy documentation.
4615 2011-01-14  Richard Guenther  <rguenther@suse.de>
4617         * tree-ssa-structalias.c  (new_var_info): Use DECL_HARD_REGISTER.
4619 2011-01-14  Richard Guenther  <rguenther@suse.de>
4621         PR tree-optimization/47280
4622         * tree-ssa-forwprop.c (associate_plusminus): Cleanup EH and
4623         return CFG changes.
4624         (tree_ssa_forward_propagate_single_use_vars): Deal with
4625         CFG changes from associate_plusminus.
4627 2011-01-14  Richard Guenther  <rguenther@suse.de>
4629         PR middle-end/47281
4630         Revert
4631         2011-01-11  Richard Guenther  <rguenther@suse.de>
4633         PR tree-optimization/46076
4634         * tree-ssa.c (useless_type_conversion_p): Conversions from
4635         unprototyped to empty argument list function types are useless.
4637 2011-01-14  Richard Guenther  <rguenther@suse.de>
4639         PR tree-optimization/47286
4640         * tree-ssa-structalias.c (new_var_info): Register variables are global.
4642 2011-01-14  Martin Jambor  <mjambor@suse.cz>
4644         PR middle-end/46823
4645         * tree-inline.c (expand_call_inline): Get fndecl from call graph edge.
4647 2011-01-13  Anatoly Sokolov  <aesok@post.ru>
4649         * config/xtensa/xtensa.h (XTENSA_LIBCALL_VALUE, LIBCALL_VALUE,
4650         LIBCALL_OUTGOING_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
4651         * config/xtensa/xtensa.c (xtensa_libcall_value,
4652         xtensa_function_value_regno_p): New functions.
4653         (TARGET_LIBCALL_VALUE, TARGET_FUNCTION_VALUE_REGNO_P): Define.
4655 2011-01-13  Kai Tietz  <kai.tietz@onevision.com>
4657         PR c++/47213
4658         * config/i386/cygming.h (TARGET_ASM_ASSEMBLE_VISIBILITY):
4659         PE specific hook.
4660         * config/i386/i386-protos.h (i386_pe_assemble_visibility):
4661         New function prototype.
4662         * config/i386/winnt.c (i386_pe_assemble_visibility):
4663         Warn only if attribute was specified by user.
4665 2011-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
4667         PR target/47251
4668         * config/rs6000/rs6000.md (floatunsdidf2): Add check for hardware
4669         floating point.
4670         (floatunsdidf2_fcfidu): Ditto.
4672 2011-01-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4674         * config/s390/s390.c (print_operand_address): Replace 'error' with
4675         'output_operand_lossage'.
4676         (print_operand): Likewise.
4678 2011-01-13  Jeff Law  <law@redhat.com>
4680         PR rtl-optimization/39077
4681         * doc/invoke.texi (max-gcse-insertion-ratio): Document.
4682         * params.h (MAX_GCSE_INSERTION_RATIO): Define.
4683         * params.def (PARAM_MAX_GCSE_INSERTION_RATIO): Define.
4684         * lcm.c (pre_edge_lcm): Properly initialize output sbitmaps.
4685         * gcse.c (prune_insertions_deletions): New function.
4686         (compute_pre_data): Use it.
4688 2011-01-13  Dodji Seketeli  <dodji@redhat.com>
4690         PR debug/PR46973
4691         * dwarf2out.c (prune_unused_types_mark_generic_parms_dies): New
4692         static function.
4693         (prune_unused_types_mark): Use it.
4695 2011-01-13  Andrey Belevantsev  <abel@ispras.ru>
4697         PR rtl-optimization/45352
4698         * sel-sched.c: Update copyright years.
4699         (reset_sched_cycles_in_current_ebb): Also recheck the DFA state
4700         in the advancing loop when we have issued issue_rate insns.
4702 2011-01-12  Richard Henderson  <rth@redhat.com>
4704         * config/mn10300/mn10300.c (mn10300_md_asm_clobbers): New.
4705         (TARGET_MD_ASM_CLOBBERS): New.
4707         * config/mn10300/mn10300.c (mn10300_delegitimize_address): New.
4708         (TARGET_DELEGITIMIZE_ADDRESS): New.
4710         * config/mn10300/mn10300.md (UNSPEC_BSCH): New.
4711         (clzsi2, *bsch): New patterns.
4713         * config/mn10300/mn10300.md (INT): New mode iterator.
4714         (*mov<INT>_clr): New pattern, and peep2 to generate it.
4716         * config/mn10300/mn10300.c (mn10300_option_override): Force enable
4717         flag_split_wide_types.
4719         * config/mn10300/mn10300.c (mn10300_asm_trampoline_template): Remove.
4720         (mn10300_trampoline_init): Rewrite without a template, an immediate
4721         load and a direct branch.
4722         * config/mn10300/mn10300.h (TRAMPOLINE_SIZE): Reduce to 16.
4724 2011-01-12  Anatoly Sokolov  <aesok@post.ru>
4726         * config/s390/s390.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
4727         * config/s390/s390-protos.h (s390_output_addr_const_extra): Remove.
4728         * config/s390/s390.c (s390_output_addr_const_extra): Make static.
4729         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
4731 2011-01-12  Kai Tietz  <kai.tietz@onevision.com>
4733         PR debug/47209
4734         * dwarfout2.c (should_emit_struct_debug): Use TYPE_MAIN_VARIANT
4735         of type.
4737 2011-01-12  Jan Hubicka  <jh@suse.cz>
4739         PR driver/47244
4740         * gcc.c (PLUGIN_COND): Update to disable plugin unless -flto is used.
4741         (PLUGIN_COND_CLOSE): New macro.
4742         (LINK_COMMAND_SPEC): Update to use PLUGIN_COND_CLOSE.
4744 2011-01-12  Richard Guenther  <rguenther@suse.de>
4746         PR lto/47259
4747         * lto-streamer-out.c (output_gimple_stmt): Do not wrap
4748         register variables in a MEM_REF.
4750 2011-01-12  Joseph Myers  <joseph@codesourcery.com>
4752         * config.gcc (arm*-*-linux*, bfin*-uclinux*, bfin*-linux-uclibc*,
4753         crisv32-*-linux* | cris-*-linux*, frv-*-*linux*, moxie-*-uclinux*,
4754         hppa*64*-*-linux*, hppa*-*-linux*, i[34567]86-*-linux* |
4755         i[34567]86-*-kfreebsd*-gnu | i[34567]86-*-knetbsd*-gnu |
4756         i[34567]86-*-gnu* | i[34567]86-*-kopensolaris*-gnu,
4757         x86_64-*-linux* | x86_64-*-kfreebsd*-gnu | x86_64-*-knetbsd*-gnu,
4758         ia64*-*-linux*, lm32-*-uclinux*, m32r-*-linux*, m32rle-*-linux*,
4759         m68k-*-uclinux*, m68k-*-linux*, microblaze*-linux*,
4760         mips64*-*-linux* | mipsisa64*-*-linux*, mips*-*-linux*,
4761         s390-*-linux*, s390x-*-linux*, sh*-*-linux*, sparc-*-linux*,
4762         sparc64-*-linux*, vax-*-linux*, xtensa*-*-linux*,
4763         am33_2.0-*-linux*): Use gnu-user.h before linux.h.
4764         * config/gnu-user.h: New.  Copied from linux.h.
4765         (LINUX_TARGET_STARTFILE_SPEC): Rename to
4766         GNU_USER_TARGET_STARTFILE_SPEC.
4767         (LINUX_TARGET_ENDFILE_SPEC): Rename to
4768         GNU_USER_TARGET_ENDFILE_SPEC.
4769         (LINUX_TARGET_CC1_SPEC): Rename to GNU_USER_TARGET_CC1_SPEC.
4770         (LINUX_TARGET_LIB_SPEC): Rename to GNU_USER_TARGET_LIB_SPEC.
4771         (OPTION_GLIBC, OPTION_UCLIBC, OPTION_BIONIC,
4772         LINUX_TARGET_OS_CPP_BUILTINS, CHOOSE_DYNAMIC_LINKER1,
4773         CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
4774         UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4775         BIONIC_DYNAMIC_LINKER, BIONIC_DYNAMIC_LINKER32,
4776         BIONIC_DYNAMIC_LINKER64, LINUX_DYNAMIC_LINKER,
4777         LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64,
4778         TARGET_C99_FUNCTIONS, TARGET_HAS_SINCOS): Remove.
4779         * config/arm/linux-eabi.h (CC1_SPEC): Use
4780         GNU_USER_TARGET_CC1_SPEC.
4781         (LIB_SPEC): Use GNU_USER_TARGET_LIB_SPEC.
4782         (STARTFILE_SPEC): Use GNU_USER_TARGET_STARTFILE_SPEC.
4783         (ENDFILE_SPEC): Use GNU_USER_TARGET_ENDFILE_SPEC
4784         * config/linux.h (NO_IMPLICIT_EXTERN_C, ASM_APP_ON, ASM_APP_OFF,
4785         LINUX_TARGET_STARTFILE_SPEC, STARTFILE_SPEC,
4786         LINUX_TARGET_ENDFILE_SPEC, ENDFILE_SPEC, LINUX_TARGET_CC1_SPEC,
4787         CC1_SPEC, CPLUSPLUS_CPP_SPEC, LINUX_TARGET_LIB_SPEC, LIB_SPEC,
4788         LINK_EH_SPEC, LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Remove.
4790 2011-01-12  Richard Guenther  <rguenther@suse.de>
4792         PR other/46946
4793         * doc/invoke.texi (ffast-math): Document it is turned on
4794         with -Ofast.
4796 2011-01-12  Jan Hubicka  <jh@suse.cz>
4798         PR tree-optimization/47233
4799         * opts.c (common_handle_option): Disable ipa-reference with profile
4800         feedback.
4802 2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>
4804         * c-parser.c (c_parser_objc_at_property_declaration): Improved
4805         error message.
4807 2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>
4809         * c-parser.c (c_lex_one_token): Updated and reindented some
4810         comments.  No changes in code.
4812 2011-01-11  Ian Lance Taylor  <iant@google.com>
4814         * godump.c (go_output_var): Don't output the variable if there is
4815         already a type with the same name.
4817 2011-01-11  Ian Lance Taylor  <iant@google.com>
4819         * godump.c (go_format_type): Don't generate float80.
4821 2011-01-11  Richard Henderson  <rth@redhat.com>
4823         * config/mn10300/mn10300.c (mn10300_address_cost): Remove forward
4824         declaration.  Rewrite for both speed and size.
4825         (mn10300_address_cost_1): Remove.
4826         (mn10300_register_move_cost): New.
4827         (mn10300_memory_move_cost): New.
4828         (mn10300_rtx_costs): Rewrite for both speed and size.  Don't handle
4829         ZERO_EXTRACT.  Do handle UNSPEC, arithmetic, logicals, compare,
4830         extensions, shifts, BSWAP, CLZ.
4831         (mn10300_wide_const_load_uses_clr): Remove.
4832         (TARGET_REGISTER_MOVE_COST): New.
4833         (TARGET_MEMORY_MOVE_COST): New.
4834         * config/mn10300/mn10300-protos.h: Update.
4835         * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Remove.
4837         * config/mn10300/constraints.md ("R", "T"): Remove constraints.
4838         * config/mn10300/mn10300.c (mn10300_mask_ok_for_mem_btst): Remove.
4839         * config/mn10300/mn10300-protos.h: Update.
4840         * config/mn10300/mn10300.md (movsi_internal): Don't use "R".
4841         (*byte_clear, *byte_set, *bit_clear1, *bit_clear2, *bit_set): Remove.
4842         (iorqi3, *am33_iorqi3, *mn10300_iorqi3): Remove.
4843         (*test_int_bitfield, *test_byte_bitfield): Remove.
4844         (*bit_test, *subreg_bit_test): Remove.
4845         * config/mn10300/predicates.md (const_8bit_operand): Remove.
4847         * config/mn10300/constraints.md ("c"): Rename from "A".
4848         ("A", "D"): New constraint letters.
4849         * config/mn10300/mn10300.md (fmasf4): Use the "c" constraint.
4850         (fmssf4, fnmasf4, fnmssf4): Likewise.
4852         * config/mn10300/mn10300.md (isa): New attribute.
4853         (enabled): New attribute.
4855         * config/mn10300/mn10300.md (absdf2, negdf2): Remove.
4856         (abssf2, negsf2): Define only for hardware fp.
4857         (sqrtsf2): Reformat.
4858         (addsf3, subsf3, mulsf3): Merge expander and insn.
4860         * config/mn10300/mn10300.h (ARG_PIONTER_CFA_OFFSET): New.
4861         (DEBUGGER_AUTO_OFFSET): Remove.
4862         (DEBUGGER_ARG_OFFSET): Remove.
4864         * config/mn10300/mn10300.c (mn10300_gen_multiple_store): Make static.
4865         Emit register stores with the same offsets as the hardware.
4866         (mn10300_store_multiple_operation): Don't check that the register
4867         save offsets are monotonic.
4868         * config/mn10300/mn10300-protos.h: Update.
4870         * config/mn10300/mn10300.h (ASM_PN_FORMAT): Delete.
4872         * config/mn10300/mn10300.h (INCOMING_RETURN_ADDR_RTX): Define
4873         in terms of the value on the stack, not the MDR register.
4875 2011-01-11  Jan Hubicka  <jh@suse.cz>
4877         PR lto/45721
4878         PR lto/45375
4879         * tree.h (symbol_alias_set_t): Move typedef here from varasm.c
4880         (symbol_alias_set_destroy, symbol_alias_set_contains,
4881         propagate_aliases_backward): Declare.
4882         * lto-streamer-out.c (struct sets): New sturcture.
4883         (trivally_defined_alias): New function.
4884         (output_alias_pair_p): Rewrite.
4885         (output_unreferenced_globals): Fix output of alias pairs.
4886         (produce_symtab): Likewise.
4887         * ipa.c (function_and_variable_visibility): Set weak alias destination
4888         as needed in lto.
4889         * varasm.c (symbol_alias_set_t): Remove.
4890         (symbol_alias_set_destroy): Export.
4891         (propagate_aliases_forward, propagate_aliases_backward): New functions
4892         based on ...
4893         (compute_visible_aliases): ... this one; remove.
4894         (trivially_visible_alias): New
4895         (trivially_defined_alias): New.
4896         (remove_unreachable_alias_pairs): Rewrite.
4897         (finish_aliases_1): Reorganize code checking if alias is defined.
4898         * passes.c (rest_of_decl_compilation): Do not call assemble_alias when
4899         in LTO mode.
4901 2011-01-11  Richard Guenther  <rguenther@suse.de>
4903         PR tree-optimization/46076
4904         * tree-ssa.c (useless_type_conversion_p): Conversions from
4905         unprototyped to empty argument list function types are useless.
4907 2011-01-11  Richard Guenther  <rguenther@suse.de>
4909         PR middle-end/45235
4910         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not mark
4911         volatile MEMs as MEM_READONLY_P.
4913 2011-01-11  Richard Guenther  <rguenther@suse.de>
4915         PR tree-optimization/47239
4916         * tree-ssa-ccp.c (get_value_from_alignment): Punt for FUNCTION_DECLs.
4918 2011-01-11  Jeff Law  <law@redhat.com>
4920         PR tree-optimization/47086
4921         * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Do not record
4922         IVs from statements that might throw.
4924 2011-01-10  Jan Hubicka  <jh@suse.cz>
4926         PR lto/45375
4927         * lto-cgraph.c (input_profile_summary): Remove overactive sanity check.
4929 2011-01-10  Jan Hubicka  <jh@suse.cz>
4931         PR lto/45375
4932         * profile.c (read_profile_edge_counts): Ignore profile inconistency
4933         when correcting profile.
4935 2011-01-10  Jan Hubicka  <jh@suse.cz>
4937         PR lto/46083
4938         * lto-streamer-out.c (pack_ts_function_decl_value_fields): Store
4939         DECL_FINI_PRIORITY.
4940         * lto-streamer-in.c (unpack_ts_function_decl_value_fields):
4941         Restore DECL_FINI_PRIORITY.
4943 2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4945         * doc/gimple.texi: Fix quoting of multi-word return values in
4946         @deftypefn statements.  Ensure presence of return value.  Wrap
4947         overlong @deftypefn lines.
4948         (is_gimple_operand, is_gimple_min_invariant_address): Remove
4949         descriptions of removed functions.
4950         * doc/hostconfig.texi (Host Common): Wrap long line, fix quoting
4951         of multi-word return value in @deftypefn statement.
4953 2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4955         * doc/gimple.texi (Temporaries, Operands, Compound Lvalues)
4956         (Conditional Expressions, Logical Operators)
4957         (Statement and operand traversals): Do not indent smallexample
4958         code.  Fix duplicate function argument in example.
4960 2011-01-10  Jeff Law  <law@redhat.com>
4962         PR tree-optimization/47141
4963         * ipa-split.c (split_function): Handle case where we are
4964         returning a value and the return block has a virtual operand phi.
4966 2011-01-10  Jan Hubicka  <jh@suse.cz>
4968         PR tree-optimization/47234
4969         * tree-pass.h (TODO_rebuild_cgraph_edges): New TODO.
4970         (pass_feedback_split_functions): Declare.
4971         * passes.c (init_optimization_passes): Add ipa-split as subpass of
4972         tree-profile.
4973         * ipa-split.c (gate_split_functions): Update comments; disable
4974         split-functions for profile_arc_flag and branch_probabilities.
4975         (gate_feedback_split_functions): New function.
4976         (execute_feedback_split_functions): New function.
4977         (pass_feedback_split_functions): New global var.
4979 2011-01-10  H.J. Lu  <hongjiu.lu@intel.com>
4981         PR lto/46760
4982         * tree-inline.c (tree_can_inline_p): Check e->call_stmt before
4983         calling gimple_call_set_cannot_inline.
4985 2011-01-10  Iain Sandoe  <iains@gcc.gnu.org>
4987         * config/darwin-sections.def: Remove unused section.
4989 2011-01-10  Dave Korn  <dave.korn.cygwin@gmail.com>
4991         PR c++/47218
4992         * cgraphunit.c (assemble_thunk): Call resolve_unique_section.
4994 2011-01-09  Nicola Pero  <nicola.pero@meta-innovation.com>
4996         PR objc/47232
4997         * c-parser.c (c_parser_declaration_or_fndef): Improved
4998         error message.
5000 2011-01-09  Kai Tietz  <kai.tietz@onevision.com>
5002         * config/i386/winnt.c (i386_pe_start_function): Make sure
5003         to switch back to function's section.
5005 2011-01-09  Iain Sandoe  <iains@gcc.gnu.org>
5007         PR gcc/46902
5008         PR testsuite/46912
5009         * plugin.c: Move include of dlfcn.h from here...
5010         * system.h: ... to here.
5012 2011-01-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5014         * doc/cpp.texi (C++ Named Operators): Fix markup for header
5015         file name.
5016         * doc/cppinternals.texi (Top): Wrap node in @ifnottex to avoid
5017         two extra empty pages in PDF output.
5019 2011-01-08  Nicola Pero  <nicola.pero@meta-innovation.com>
5021         PR objc/47078
5022         * c-parser.c (c_parser_objc_type_name): If the type is unknown,
5023         for error recovery purposes behave as if it was not specified so
5024         that the default type is usd.
5026 2011-01-07  Jan Hubicka  <jh@suse.cz>
5028         PR tree-optmization/46469
5029         * ipa.c (function_and_variable_visibility): Clear needed flags on
5030         nodes with external decls; handle weakrefs merging correctly.
5032 2011-01-07  Joseph Myers  <joseph@codesourcery.com>
5034         * opts.c (finish_options): Set opts->x_flag_opts_finished to true,
5035         not false.
5037 2011-01-07  Jan Hubicka  <jh@suse.cz>
5039         * doc/invoke.texi: (-flto, -fuse-linker-plugin): Update defaults
5040         and no longer claim that gold is required for linker plugin.
5041         * configure: Regenerate.
5042         * gcc.c (PLUGIN_COND): New macro.
5043         (LINK_COMMAND_SPEC): Use it.
5044         (main): Default to plugin enabled with HAVE_LTO_PLUGIN is set.
5045         * config.in (HAVE_LTO_PLUGIN): New.
5046         * configure.ac (--with-lto-plugin): New parameter; autodetect
5047         HAVE_LTO_PLUGIN.
5049 2011-01-07  Jan Hubicka  <jh@suse.cz>
5051         PR tree-optimization/46367
5052         * ipa-inline.c (cgraph_clone_inlined_nodes): Use original function only
5053         when we can update original.
5054         (cgraph_mark_inline_edge): Sanity check.
5055         * ipa-prop.c (ipa_make_edge_direct_to_target): Sanity check.
5057 2011-01-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5059         * config/spu/spu.h (ASM_COMMENT_START): Define.
5061 2011-01-07  H.J. Lu  <hongjiu.lu@intel.com>
5063         PR driver/42445
5064         * gcc.c (%>S): New.
5065         (SWITCH_KEEP_FOR_GCC): Likewise.
5066         (set_collect_gcc_options): Check SWITCH_KEEP_FOR_GCC.
5067         (do_spec_1): Handle "%>".
5069         * config/i386/i386.h (CC1_CPU_SPEC): Replace "%<" with "%>".
5071 2011-01-07  Jakub Jelinek  <jakub@redhat.com>
5073         PR target/47201
5074         * config/i386/i386.c (ix86_delegitimize_address): If
5075         simplify_gen_subreg fails, return orig_x.
5077         PR bootstrap/47187
5078         * value-prof.c (gimple_stringop_fixed_value): Handle
5079         lhs of the call properly.
5081 2011-01-07  Jan Hubicka  <jh@suse.cz>
5083         PR lto/45375
5084         * lto-opt.c (lto_reissue_options): Set flag_shlib.
5086 2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>
5088         * target.def (function_switched_text_sections): New hook.
5089         * doc/tm.texi: Regenerated.
5090         * doc/tm.texi.in (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
5091         * final.c (default_function_switched_text_sections): New.
5092         (final_scan_insn): Call function_switched_text_sections when a
5093         mid-function section change occurs.
5094         * output.h (default_function_switched_text_sections): Declare.
5095         * config/darwin-protos.h (darwin_function_switched_text_sections):
5096         Likewise.
5097         * config/darwin.c (darwin_function_switched_text_sections): New.
5098         * config/darwin.h (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
5100 2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>
5102         * dwarf2out.c (gen_subprogram_die):  Add pubnames with code ranges for
5103         DWARF >= 3.  Add pubnames for the primary section and a reduced DIE for
5104         the secondary code fragment when outputting for DWARF == 2.
5106 2011-01-07  Anatoly Sokolov  <aesok@post.ru>
5108         * config/xtensa/xtensa.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
5109         * config/xtensa/xtensa-protos.h (xtensa_output_addr_const_extra):
5110         Remove.
5111         * config/xtensa/xtensa.c (xtensa_output_addr_const_extra): Make static.
5112         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
5114 2011-01-06  Eric Botcazou  <ebotcazou@adacore.com>
5116         PR debug/46704
5117         * dwarf2out.c (dwarf2out_finish): Output the debug_aranges section only
5118         when it is not empty.
5120 2011-01-06  Changpeng Fang  <changpeng.fang@amd.com>
5122         Bobcat Enablement
5123         * config.gcc (i[34567]86-*-linux* | ...): Add btver1.
5124         (case ${target}): Add btver1.
5125         * config/i386/driver-i386.c (host_detect_local_cpu): Let
5126         -march=native recognize btver1 processors.
5127         * config/i386/i386-c.c (ix86_target_macros_internal): Add
5128         btver1 def_and_undef
5129         * config/i386/i386.c (struct processor_costs btver1_cost): New
5130         btver1 cost table.
5131         (m_BTVER1): New definition.
5132         (m_AMD_MULTIPLE): Includes m_BTVER1.
5133         (initial_ix86_tune_features): Add btver1 tune.
5134         (processor_target_table): Add btver1 entry.
5135         (static const char *const cpu_names): Add btver1 entry.
5136         (software_prefetching_beneficial_p): Add btver1.
5137         (ix86_option_override_internal): Add btver1 instruction sets.
5138         (ix86_issue_rate): Add btver1.
5139         (ix86_adjust_cost): Add btver1.
5140         * config/i386/i386.h (TARGET_BTVER1): New definition.
5141         (enum target_cpu_default): Add TARGET_CPU_DEFAULT_btver1.
5142         (enum processor_type): Add PROCESSOR_BTVER1.
5143         * config/i386/i386.md (define_attr "cpu"): Add btver1.
5145 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5147         PR target/43309
5148         * config/i386/i386.c (legitimize_tls_address)
5149         <TLS_MODEL_INITIAL_EXEC>: Handle TARGET_64BIT && TARGET_SUN_TLS.
5150         * config/i386/i386.md (UNSPEC_TLS_IE_SUN): Declare.
5151         (tls_initial_exec_64_sun): New pattern.
5153 2011-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
5155         * doc/invoke.texi (Overall Options): Improve wording and markup
5156         of the description of -wrapper.
5158 2011-01-06  Joseph Myers  <joseph@codesourcery.com>
5160         * config/sol2.opt (G, YP,, Ym,, compat-bsd, pthread, pthreads,
5161         rdynamic, threads): New Driver options.
5163 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5165         PR target/38118
5166         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Also switch to .bss
5167         if coming from .tdata.
5168         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
5170 2011-01-06  Jan Hubicka  <jh@suse.cz>
5172         PR lto/47188
5173         * collect2.c (main): Do not enable LTOmode when plugin is active.
5175 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5177         PR other/45915
5178         * configure.ac (gcc_cv_as_gnu_unique_object): Only use ldd
5179         --version output if supported.
5180         * configure: Regenerate.
5182 2011-01-06  Joseph Myers  <joseph@codesourcery.com>
5184         * config/linux-android.opt (tno-android-cc, tno-android-ld): New
5185         Driver options.
5187 2011-01-06  Jakub Jelinek  <jakub@redhat.com>
5189         PR c/47150
5190         * c-convert.c (convert): When converting a complex expression
5191         other than COMPLEX_EXPR to a different complex type, ensure
5192         c_save_expr is called instead of save_expr, unless in_late_binary_op.
5193         * c-typeck.c (convert_for_assignment): Set in_late_binary_op also
5194         when converting COMPLEX_TYPE.
5196 2011-01-06  Ira Rosen  <irar@il.ibm.com>
5198         PR tree-optimization/47139
5199         * tree-vect-loop.c (vect_is_simple_reduction_1): Check that
5200         only the last reduction value is used outside the loop.  Update
5201         documentation.
5203 2011-01-05  Joseph Myers  <joseph@codesourcery.com>
5205         * config/rtems.opt: New.
5206         * config.gcc (*-*-rtems*): Use rtems.opt.
5208 2011-01-05  Changpeng Fang  <changpeng.fang@amd.com>
5210         * config/i386/i386.c (ix86_option_override_internal): Bulldozer
5211         processors do not support 3DNow instructions.
5213 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5215         * config/spu/spu.c (spu_option_override): Set parameter
5216         PARAM_MAX_COMPLETELY_PEEL_TIMES to 4 instead of 1.
5218 2011-01-05  Jan Hubicka  <jh@suse.cz>
5220         * lto-wrapper.c (run_gcc): Default to WHOPR mode when none is specified
5221         at the command line.
5223 2011-01-05  Martin Jambor  <mjambor@suse.cz>
5225         PR lto/47162
5226         * lto-cgraph.c (output_cgraph_opt_summary_p): Also check for thunk
5227         deltas on streamed outgoing edges.
5228         (output_node_opt_summary): Output info for outgoing edges only when
5229         the node is in new parameter set.
5230         (output_cgraph_opt_summary): New parameter set, passed to the two
5231         aforementioned functions.  Update its forward declaration and its
5232         callee too.
5234 2011-01-05  Tom Tromey  <tromey@redhat.com>
5236         * c-parser.c (c_parser_omp_atomic): Pass location of assignment
5237         operator to c_finish_omp_atomic.
5238         * c-typeck.c (lvalue_or_else): Add 'loc' argument.
5239         (build_unary_op): Update.
5240         (build_modify_expr): Update.
5241         (build_asm_expr): Update.
5243 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5245         * config/spu/spu.c (emit_nop_for_insn): Set INSN_LOCATOR for
5246         newly inserted insns.
5247         (pad_bb): Likewise.
5248         (spu_emit_branch_hint): Likewise.
5249         (insert_hbrp_for_ilb_runout): Likewise.
5250         (spu_machine_dependent_reorg): Call df_finish_pass after
5251         schedule_insns returns.
5253 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5255         * config/spu/spu.c (spu_expand_prologue): Support -fstack-usage.
5257 2011-01-05  Eric Botcazou  <ebotcazou@adacore.com>
5259         PR tree-optimization/47005
5260         * tree-sra.c (struct access): Add 'non_addressable' bit.
5261         (create_access): Set it for a DECL_NONADDRESSABLE_P field.
5262         (decide_one_param_reduction): Return 0 if the parameter is passed by
5263         reference and one of the accesses in the group is non_addressable.
5265 2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>
5267         PR tree-optimization/47056
5268         * cgraphbuild.c (mark_address): Remove ATTRIBUTE_UNUSED markers.
5269         (mark_load): Likewise.  Handle FUNCTION_DECL specially.
5270         (mark_store): Likewise.  Pass STMT to ipa_record_reference.
5272 2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>
5274         * dwarf2out.c (rtl_for_decl_init): Strip no-op conversions off the
5275         initializer.  Skip view conversions from aggregate types.
5277 2011-01-04  Kai Tietz  <kai.tietz@onevision.com>
5279         PR bootstrap/47055
5280         * libgcov.c (gcov_exit): Check for HAS_DRIVE_SPEC.
5282 2011-01-04  Philipp Thomas  <pth@suse.de>
5284         * config/microblaze/microbalse.opt (mxl-float-convert): Fix
5285         obvious typo.
5287 2011-01-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5289         * function.c (thread_prologue_and_epilogue_insns): Do not crash
5290         on empty epilogue sequences.
5292 2011-01-04  Joseph Myers  <joseph@codesourcery.com>
5294         * config/vxworks.opt (Bdynamic, Bstatic, Xbind-lazy, Xbind-now,
5295         non-static): New Driver options.
5297 2011-01-04  Jie Zhang  <jie@codesourcery.com>
5299         PR driver/47137
5300         * gcc.c (default_compilers[]): Set combinable field to 0
5301         for all assembly languages.
5303 2011-01-04  Mingjie Xing  <mingjie.xing@gmail.com>
5305         * config/mips/loongson3a.md: New file.
5306         * config/mips/mips.md: Include loongson3a.md.
5307         * config/mips/mips.c (mips_multipass_dfa_lookahead): Return 4 when
5308         TUNE_LOONGSON_3A.
5310 2011-01-03  Eric Botcazou  <ebotcazou@adacore.com>
5312         PR middle-end/47017
5313         * expr.c (expand_expr_real_1) <MEM_REF>: Call memory_address_addr_space
5314         instead of convert_memory_address_addr_space on the base expression.
5316 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5318         * config/spu/spu.c (spu_option_override): Update error text
5319         for bad -march= / -mtune= values.
5321 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5323         * config/spu/spu.c (asm_file_start): Only reset flag_var_tracking
5324         if branch-hint optimization will be performed.
5326 2011-01-03  Jakub Jelinek  <jakub@redhat.com>
5328         PR tree-optimization/47148
5329         * ipa-split.c (split_function): Convert arguments to
5330         DECL_ARG_TYPE if possible.
5332         PR tree-optimization/47155
5333         * tree-ssa-ccp.c (bit_value_binop_1): Use r1type instead of type
5334         when computing uns.
5336         PR rtl-optimization/47157
5337         * combine.c (try_combine): If undobuf.other_insn becomes
5338         (set (pc) (pc)) jump, call update_cfg_for_uncondjump on it
5339         and set *new_direct_jump_p too.
5341 2011-01-03  Sebastian Pop  <sebastian.pop@amd.com>
5343         PR tree-optimization/47021
5344         * graphite-sese-to-poly.c (scan_tree_for_params): Handle ADDR_EXPR.
5346 2011-01-03  Jakub Jelinek  <jakub@redhat.com>
5348         * gcc.c (process_command): Update copyright notice dates.
5349         * gcov.c (print_version): Likewise.
5350         * gcov-dump.c (print_version): Likewise.
5351         * mips-tfile.c (main): Likewise.
5352         * mips-tdump.c (main): Likewise.
5354 2011-01-03  Martin Jambor  <mjambor@suse.cz>
5356         PR tree-optimization/46801
5357         * tree-sra.c (type_internals_preclude_sra_p): Check whether
5358         aggregate fields start at byte boundary instead of the bit-field flag.
5360 2011-01-03  H.J. Lu  <hongjiu.lu@intel.com>
5362         PR driver/47137
5363         * gcc.c (main): Revert revision 168407.
5365 2011-01-03  Martin Jambor  <mjambor@suse.cz>
5367         * lto-cgraph.c (input_cgraph_opt_section): Use the correct section type.
5369 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5371         * tree-vect-generic.c (expand_vector_operations_1): When using vector/
5372         vector optab to expand vector/scalar shift, update gimple to vector.
5374 2011-01-03  Martin Jambor  <mjambor@suse.cz>
5376         * cgraphunit.c (verify_cgraph_node): Verify there is no direct call to
5377         a thunk.
5379 2011-01-03  Martin Jambor  <mjambor@suse.cz>
5381         PR tree-optimization/46984
5382         * cgraph.h (cgraph_indirect_call_info): make field thunk_delta
5383         HOST_WIDE_INT.
5384         (cgraph_create_indirect_edge): Fixed line length.
5385         (cgraph_indirect_call_info): Declare.
5386         (cgraph_make_edge_direct) Update declaration.
5387         * cgraph.c (cgraph_allocate_init_indirect_info): New function.
5388         (cgraph_create_indirect_edge): Use it.
5389         (cgraph_make_edge_direct): Made delta HOST_WIDE_INT.  Updated all
5390         callees.
5391         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update for
5392         the new thunk_delta representation.
5393         * ipa-prop.c (ipa_make_edge_direct_to_target): Convert delta to
5394         HOST_WIDE_INT.
5395         (ipa_write_indirect_edge_info): Remove streaming of thunk_delta.
5396         (ipa_read_indirect_edge_info): Likewise.
5397         * lto-cgraph.c (output_edge_opt_summary): New function.
5398         (output_node_opt_summary): Call it on all outgoing edges.
5399         (input_edge_opt_summary): New function.
5400         (input_node_opt_summary): Call it on all outgoing edges.
5402 2011-01-02  H.J. Lu  <hongjiu.lu@intel.com>
5404         PR driver/47137
5405         * gcc.c (main): Don't check have_o when settting combine_inputs.
5407 2011-01-02  Eric Botcazou  <ebotcazou@adacore.com>
5409         * regrename.c: Add general comment describing the pass.
5410         (struct du_head): Remove 'length' field.
5411         (get_element, merge_sort_comparison, merge, sort_du_head): Remove.
5412         (regrename_optimize): Do not sort chains.  Rework comments, add others.
5413         Force renaming to the preferred class (if any) in the first pass and do
5414         not consider registers that belong to it in the second pass.
5415         (create_new_chain): Do not set 'length' field.
5416         (scan_rtx_reg): Likewise.
5418 2011-01-02  Jakub Jelinek  <jakub@redhat.com>
5420         PR tree-optimization/47140
5421         * tree-ssa-ccp.c (evaluate_stmt): For binary assignments, use
5422         TREE_TYPE (lhs) instead of TREE_TYPE (rhs1) as second argument
5423         to bit_value_binop.
5425         PR rtl-optimization/47028
5426         * cfgexpand.c (gimple_expand_cfg): Insert entry edge insertions after
5427         parm_birth_insn instead of at the beginning of first bb.
5429 2011-01-02  Mingjie Xing  <mingjie.xing@gmail.com>
5431         * doc/generic.texi: Remove duplicated "@subsubsection Statements".
5432         Remove the word "see" before "@pxref".
5433         * doc/rtl.texi: Remove the word "see" before "@pxref".
5435 2011-01-01  Jan Hubicka  <jh@suse.cz>
5437         * tree-loop-distribution.c (tree_loop_distribution): Do not use freed
5438         memory.
5440 2011-01-01  Kai Tietz  <kai.tietz@onevision.com>
5442         PR target/38662
5443         * tree.c (type_hash_eq): Call language hook for METHOD_TYPEs, too.
5446 Copyright (C) 2011 Free Software Foundation, Inc.
5448 Copying and distribution of this file, with or without modification,
5449 are permitted in any medium without royalty provided the copyright
5450 notice and this notice are preserved.