linux64.h (PROCESSOR_DEFAULT): Change to PROCESSOR_POWER7.
[platform/upstream/gcc.git] / gcc / ChangeLog
1 2011-02-10  Peter Bergner  <bergner@vnet.ibm.com>
2
3         * config/rs6000/linux64.h (PROCESSOR_DEFAULT): Change to
4         PROCESSOR_POWER7.
5         (PROCESSOR_DEFAULT64): Likewise.
6
7 2011-02-10  Richard Henderson  <rth@redhat.com>
8
9         * config/rx/predicates.md (rx_zs_comparison_operator): Revert
10         change from 2011-02-03.
11         * config/rx/rx.c (flags_from_code): Likewise.
12         (rx_print_operand) ['B']: For LT/GE, use lt/ge if overflow flag
13         is valid, n/pz otherwise.
14         (rx_select_cc_mode): Return CCmode if Y is not zero.
15
16 2011-02-10  Richard Guenther  <rguenther@suse.de>
17
18         * tree-ssa-structalias.c (bitpos_of_field): Use BITS_PER_UNIT,
19         not 8.
20
21 2011-02-10  Richard Guenther  <rguenther@suse.de>
22
23         PR tree-optimization/47677
24         * tree-vrp.c (vrp_bitmap_equal_p): Fix comparison of empty bitmaps.
25
26 2011-02-10  Jakub Jelinek  <jakub@redhat.com>
27
28         PR target/47665
29         * combine.c (make_compound_operation): Only change shifts into
30         multiplication for SCALAR_INT_MODE_P.
31
32 2011-02-10  Jie Zhang  <jie@codesourcery.com>
33
34         PR testsuite/47622
35         Revert
36         2011-02-05  Jie Zhang  <jie@codesourcery.com>
37         PR debug/42631
38         * web.c (entry_register): Don't clobber the number of the
39         first uninitialized reference in used[].
40
41 2011-02-09  Richard Guenther  <rguenther@suse.de>
42
43         PR tree-optimization/47664
44         * ipa-inline.c (cgraph_decide_inlining_incrementally): Visit
45         all edges again.
46
47 2011-02-09  David Edelsohn  <dje.gcc@gmail.com>
48
49         * config/rs6000/aix61.h (PROCESSOR_DEFAULT): Change to
50         PROCESSOR_POWER7.
51         (PROCESSOR_DEFAULT64): Same.
52         (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Delete.
53
54 2011-02-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
55
56         * config/mips/iris6.h (TARGET_C99_FUNCTIONS): Define.
57
58 2011-02-09  Martin Jambor  <mjambor@suse.cz>
59
60         PR middle-end/45505
61         * tree-sra.c (struct access): New flags grp_scalar_read and
62         grp_scalar_write.  Changed description of assignment read and write
63         flags.
64         (dump_access): Dump new flags, reorder all of them.
65         (sort_and_splice_var_accesses): Set the new flag accordingly, use them
66         to detect multiple scalar reads.
67         (analyze_access_subtree): Use the new scalar read write flags instead
68         of the old flags.  Adjusted comments.
69
70 2011-02-08  DJ Delorie  <dj@redhat.com>
71
72         PR target/47548
73         * config/m32c/m32c.c (m32c_subreg): Don't try to validate interim
74         patterns.
75
76 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
77
78         * config/m68k/uclinux.opt: New.
79         * config.gcc (m68k-*-uclinux*): Use m68k/uclinux.opt.
80
81 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
82
83         * config/cris/elf.opt (sim): New Driver option.
84
85 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
86
87         * config/xtensa/elf.opt: New.
88         * config.gcc (xtensa*-*-elf*): Use xtensa/elf.opt.
89
90 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
91
92         * config/vax/elf.opt: New.
93         * config.gcc (vax-*-linux*, vax-*-netbsdelf*): Use vax/elf.opt.
94
95 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
96
97         * config/rs6000/aix64.opt (posix, pthread): New Driver options.
98
99 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
100
101         * config/gnu-user.opt: New.
102         * config.gcc (*-*-linux* | frv-*-*linux* | *-*-kfreebsd*-gnu |
103         *-*-knetbsd*-gnu | *-*-gnu* | *-*-kopensolaris*-gnu,
104         *-*-uclinux*): Use gnu-user.opt.
105
106 2011-02-08  Thomas Schwinge  <thomas@schwinge.name>
107
108         * config/gnu.h (CPP_SPEC, LIB_SPEC): Remove handling of -bsd option.
109         * config/i386/gnu.h (CPP_SPEC): Likewise.
110
111 2011-02-08  Ian Lance Taylor  <iant@google.com>
112
113         * common.opt (fcx-limited-range): Add SetByCombined flag.
114         (ffinite-math-only, fmath-errno, frounding-math): Likewise.
115         (fsignaling-nans, fsigned-zeros, ftrapping-math): Likewise.
116         (fassociative-math, freciprocal-math): Likewise.
117         (funsafe-math-optimizations): Likewise.
118         * opth-gen.awk: Handle SetByCombined.
119         * optc-gen.awk: Likewise.
120         * opts.c (set_fast_math_flags): Don't override flag if set by
121         frontend.
122         (set_unsafe_math_optimizations_flags): Likewise.
123         * doc/options.texi (Option properties): Document SetByCombined.
124
125 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
126
127         * config.gcc (arc-*, alpha*-*-gnu*, arm*-*-netbsd*, arm-*-pe*,
128         i[34567]86-*-interix3*, i[34567]86-*-netbsd*, i[34567]86-*-pe,
129         m68hc11-*-*, m6811-*-*, m68hc12-*-*, m6812-*-*,
130         m68k-*-uclinuxoldabi*, mcore-*-pe*, powerpc*-*-gnu*,
131         sh*-*-symbianelf*, vax-*-netbsd*): Mark obsolete.
132
133 2011-02-08  Sebastian Pop  <sebastian.pop@amd.com>
134
135         PR tree-optimization/46834
136         PR tree-optimization/46994
137         PR tree-optimization/46995
138         * graphite-sese-to-poly.c (used_outside_reduction): New.
139         (detect_commutative_reduction): Call used_outside_reduction.
140         (rewrite_commutative_reductions_out_of_ssa_close_phi): Call
141         translate_scalar_reduction_to_array only when at least one
142         loop-phi/close-phi tuple has been detected.
143
144 2011-02-08  Richard Guenther  <rguenther@suse.de>
145
146         PR middle-end/47639
147         * tree-vect-generic.c (expand_vector_operations_1): Update
148         stmts here ...
149         (expand_vector_operations): ... not here.  Cleanup EH info
150         and the CFG if required.
151
152 2011-02-08  Richard Guenther  <rguenther@suse.de>
153
154         PR tree-optimization/47641
155         * tree-ssa.c (execute_update_addresses_taken): For asm outputs
156         require type compatibility.
157
158 2011-02-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
159
160         * gimple-low.c (lower_function_body): Don't remove the location of
161         the return statement here.
162         (lower_gimple_return): Do it here instead but only if the return
163         statement is actually used twice.
164
165 2011-02-08  Richard Guenther  <rguenther@suse.de>
166
167         PR tree-optimization/47632
168         * tree-ssa-forwprop.c (remove_prop_source_from_use): Remove
169         unused up_to_stmt parameter, return whether cfg-cleanup is
170         necessary, remove EH info properly.
171         (forward_propagate_into_gimple_cond): Adjust caller.
172         (forward_propagate_into_cond): Likewise.
173         (forward_propagate_comparison): Likewise.
174         (tree_ssa_forward_propagate_single_use_vars): Make
175         forward_propagate_comparison case similar to the two others.
176
177 2011-02-08  Nick Clifton  <nickc@redhat.com>
178
179         * config/mn10300/mn10300.opt (mliw): New command line option.
180         * config/mn10300/mn10300.md (UNSPEC_LIW): New unspec.
181         (liw_bundling): New automaton.
182         (liw): New attribute.
183         (liw_op): New attribute.
184         (liw_op1, liw_op2, liw_both, liw_either): New reservations.
185         (movsi_internal): Add LIW attributes.
186         (andsi3): Likewise.
187         (iorsi3): Likewise.
188         (xorsi3): Likewise.
189         (addsi3): Separate register and immediate alternatives.
190         Add LIW attributes.
191         (subsi3): Likewise.
192         (cmpsi): Likewise.
193         (aslsi3): Likewise.
194         (lshrsi3): Likewise.
195         (ashrsi3): Likewise.
196         (liw): New pattern.
197         * config/mn10300/mn10300.c (liw_op_names): New
198         (mn10300_print_operand): Handle 'W' operand descriptor.
199         (extract_bundle): New function.
200         (check_liw_constraints): New function.
201         (liw_candidate): New function.
202         (mn10300_bundle_liw): New function.
203         (mn10300_reorg): New function.
204         (TARGET_MACHINE_DEPENDENT_REORG): Define.
205         (TARGET_DEFAULT_TARGET_FLAGS): Add MASK_ALLOW_LIW.
206         * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Define
207         __LIW__ or __NO_LIW__.
208         * doc/invoke.texi: Describe the -mliw command line option.
209
210 2011-02-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
211
212         * config.gcc (hppa[12]*-*-hpux11*): Don't set extra_parts.
213         * config/pa/stublib.c (pthread_default_stacksize_np, pthread_mutex_lock,
214         pthread_mutex_unlock): Remove.
215         * config/pa/t-pa-hpux11: Remove rules to build pthread stubs.
216         * config/pa/t-pa64: Likewise.
217         * config/pa/pa64-hpux.h (LIB_SPEC): In static links, link against
218         shared libc if not linking against libpthread.
219         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
220
221 2011-02-07  Iain Sandoe  <iains@gcc.gnu.org>
222
223         PR target/47558
224         * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Put -lSystem first
225         on 10.6 and later to ensure that we always use the unwinder from
226         the system.  Only add -no_compact_unwind when tarteting darwin
227         10.6 or later.
228
229 2011-02-07  Steve Ellcey  <sje@cup.hp.com>
230
231         PR target/46997
232         * vect.md (vec_interleave_highv2sf): Change fmix for TARGET_BIG_ENDIAN.
233         (vec_interleave_lowv2sf): Ditto.
234         (vec_extract_evenv2sf): Add TARGET_BIG_ENDIAN check.
235         (vec_extract_oddv2sf): Ditto.
236
237 2011-02-07  Mike Stump  <mikestump@comcast.net>
238
239         PR target/42333
240         Add __ieee_divdc3 entry point.
241         * config/i386/darwin.h (DECLARE_LIBRARY_RENAMES): Retain ___divdc3
242         entry point.
243         (SUBTARGET_INIT_BUILTINS): Call darwin_rename_builtins.
244         * config/i386/i386.c (TARGET_INIT_LIBFUNCS): Likewise.
245         * config/darwin.c (darwin_rename_builtins): Add.
246         * config/darwin-protos.h (darwin_rename_builtins): Add.
247
248 2011-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
249
250         PR target/47636
251         * config/rs6000/rs6000.md (rsqrt<mode>2): Use the correct macro
252         for the condition.
253
254 2011-02-07  Mike Stump  <mikestump@comcast.net>
255
256         * config/darwin.opt (mmacosx-version-min): Update default OS
257         version.
258
259 2011-02-07  Denis Chertykov  <chertykov@gmail.com>
260
261         PR target/47534
262         * config/avr/libgcc.S (exit): Move .endfunc
263
264 2011-02-07  Richard Guenther  <rguenther@suse.de>
265
266         PR tree-optimization/47615
267         * tree-ssa-sccvn.h (run_scc_vn): Take a vn-walk mode argument.
268         * tree-ssa-sccvn.c (default_vn_walk_kind): New global.
269         (run_scc_vn): Initialize it.
270         (visit_reference_op_load): Use it.
271         * tree-ssa-pre.c (execute_pre): Use VN_WALK if in PRE.
272
273 2011-02-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
274
275         * config/spu/spu.c (spu_init_libfuncs): Install SImode and
276         DImode trapping arithmetic libfuncs.
277
278 2011-02-07  Richard Guenther  <rguenther@suse.de>
279
280         PR tree-optimization/47621
281         * tree-ssa.c (non_rewritable_lvalue_p): New function, split out from
282         two duplicates ...
283         (execute_update_addresses_taken): ... here.  Make it more
284         conservative in what we accept.
285
286 2011-02-06  Joseph Myers  <joseph@codesourcery.com>
287
288         * config/sparc/freebsd.h (ASM_SPEC): Define.
289         * config/sparc/vxworks.h (ASM_SPEC): Define.
290
291 2011-02-06  Joseph Myers  <joseph@codesourcery.com>
292
293         * config/sparc/sol2-bi.h (CC1_SPEC): Remove %{sun4:} %{target:}.
294
295 2011-02-06  Steven Bosscher  <steven@gcc.gnu.org>
296
297         * doc/invoke.texi: Remove reference to compiler internals from
298         user documentation.
299
300         * reg-notes.def: Remove REG_VALUE_PROFILE.
301         * combine.c (distribute_notes): Do not handle REG_VALUE_PROFILE.
302
303 2011-02-05  Jakub Jelinek  <jakub@redhat.com>
304
305         PR middle-end/47610
306         * varasm.c (default_section_type_flags): If decl is NULL,
307         and name is .data.rel.ro or .data.rel.ro.local, set SECTION_RELRO bit.
308
309 2011-02-05  Jie Zhang  <jie@codesourcery.com>
310
311         PR debug/42631
312         * web.c (entry_register): Don't clobber the number of the
313         first uninitialized reference in used[].
314
315 2011-02-04  Sebastian Pop  <sebastian.pop@amd.com>
316
317         PR tree-optimization/46194
318         * tree-data-ref.c (analyze_miv_subscript): Remove comment.
319         (build_classic_dist_vector_1): Do not represent classic distance
320         vectors when the access functions are variating in different loops.
321
322 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
323
324         * config/mips/iris6.opt: New.
325         * config.gcc (mips-sgi-irix6.5*): Use mips/iris6.opt.
326
327 2011-02-04  Richard Henderson  <rth@redhat.com>
328             Steve Ellcey  <sje@cup.hp.com>
329
330         PR target/46997
331         * config/ia64/predicates.md (mux1_brcst_element): New.
332         * config/ia64/ia64-protos.h (ia64_unpack_assemble): New.
333         * config/ia64/ia64.c (ia64_unpack_assemble): New.
334         (ia64_unpack_sign): New.
335         (ia64_expand_unpack): Rewrite using new routines.
336         (ia64_expand_widen_sum): Ditto.
337         (ia64_expand_dot_prod_v8qi): Ditto.
338         * config/ia64/vect.md (mulv8qi3): Rewrite to use new
339         routines, add endian check.
340         (pmpy2_even): Rename from pmpy2_r, add endian check.
341         (pmpy2_odd): Rename from pmpy2_l, add endian check.
342         (vec_widen_smult_lo_v4hi): Rewrite using new routines.
343         (vec_widen_smult_hi_v4hi): Ditto.
344         (vec_widen_umult_lo_v4hi): Ditto.
345         (vec_widen_umult_hi_v4hi): Ditto.
346         (mulv2si3): Change endian checks.
347         (sdot_prodv4hi): Rewrite with new calls.
348         (udot_prodv4hi): New.
349         (vec_pack_ssat_v4hi): Add endian check.
350         (vec_pack_usat_v4hi): Ditto.
351         (vec_pack_ssat_v2si): Ditto.
352         (max1_even): Rename from max1_r, add endian check.
353         (max1_odd): Rename from max1_l, add endian check.
354         (*mux1_rev): Format change.
355         (*mux1_mix): Ditto.
356         (*mux1_shuf): Ditto.
357         (*mux1_alt): Ditto.
358         (*mux1_brcst_v8qi): Use new predicate.
359         (vec_extract_evenv8qi): Remove endian check.
360         (vec_extract_oddv8qi): Ditto.
361         (vec_interleave_lowv4hi): Format change.
362         (vec_interleave_highv4hi): Ditto.
363         (mix2_even): Rename from mix2_r, add endian check.
364         (mix2_odd): Rename from mux2_l, add endian check.
365         (*mux2): Fix mask setting for TARGET_BIG_ENDIAN.
366         (vec_extract_evenodd_helper): Format change.
367         (vec_extract_evenv4hi): Remove endian check.
368         (vec_extract_oddv4hi): Remove endian check.
369         (vec_interleave_lowv2si): Format change.
370         (vec_interleave_highv2si): Format change.
371         (vec_initv2si): Remove endian check.
372         (vecinit_v2si): Add endian check.
373         (reduc_splus_v2sf): Add endian check.
374         (reduc_smax_v2sf): Ditto.
375         (reduc_smin_v2sf): Ditto.
376         (vec_initv2sf): Remove endian check.
377         (fpack): Add endian check.
378         (fswap): Add endian check.
379         (vec_interleave_highv2sf): Add endian check.
380         (vec_interleave_lowv2sf): Add endian check.
381         (fmix_lr): Add endian check.
382         (vec_setv2sf): Format change.
383         (*vec_extractv2sf_0_be): Use shift to extract operand.
384         (*vec_extractv2sf_1_be): New.
385         (vec_pack_trunc_v4hi): Add endian check.
386         (vec_pack_trunc_v2si): Format change.
387
388 2011-02-04  Jakub Jelinek  <jakub@redhat.com>
389
390         PR inline-asm/23200
391         * tree-ssa-ter.c (is_replaceable_p): Add TER argument.  Don't
392         do bb, locus and block comparison and disallow loads if it is not set.
393         (stmt_is_replaceable_p): New function.
394         (process_replaceable, find_replaceable_in_bb): Adjust is_replaceable_p
395         callers.
396         * expr.c (expand_expr_real_1) <case SSA_NAME>: If
397         get_gimple_for_ssa_name try for EXPAND_INITIALIZER harder to use
398         SSA_NAME_DEF_STMT.
399         * tree-flow.h (stmt_is_replaceable_p): New prototype.
400
401 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
402
403         * config/rs6000/xilinx.opt: New.
404         * config.gcc (powerpc-xilinx-eabi*): Use rs6000/xilinx.opt.
405
406 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
407
408         * config/mips/mips.opt (EB, EL, noasmopt): New Driver options.
409
410 2011-02-03  Anatoly Sokolov  <aesok@post.ru>
411
412         * config/xtensa/xtensa.h (PREFERRED_RELOAD_CLASS,
413         PREFERRED_OUTPUT_RELOAD_CLASS): Remove.
414         * config/xtensa/xtensa-protos.h (xtensa_preferred_reload_class,
415         secondary_reload_info, xtensa_secondary_reload): Remove.
416         * config/xtensa/xtensa.c (TARGET_PREFERRED_RELOAD_CLASS,
417         TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.
418         (xtensa_preferred_reload_class): Make static. Change return and
419         'rclass' argument type to reg_class_t. Remove 'isoutput' argument.
420         Use CONST_DOUBLE_P predicate.
421         (xtensa_preferred_output_reload_class): New function.
422         (xtensa_secondary_reload): Make static.
423
424 2011-02-03  Joseph Myers  <joseph@codesourcery.com>
425
426         * config/microblaze/microblaze.opt (Zxl-mode-bootstrap,
427         Zxl-mode-executable, Zxl-mode-novectors, Zxl-mode-xilkernel,
428         Zxl-mode-xmdstub, mxl-mode-xilkernel): New Driver options.
429
430 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
431
432         PR middle-end/31490
433         * output.h (SECTION_RELRO): Define.
434         (SECTION_MACH_DEP): Adjust.
435         (get_variable_section): New prototype.
436         * varpool.c (varpool_finalize_named_section_flags): New function.
437         (varpool_assemble_pending_decls): Call it.
438         * cgraph.h (varpool_finalize_named_section_flags): New prototype.
439         * cgraphunit.c (cgraph_output_in_order): Call
440         varpool_finalize_named_section_flags.
441         * varasm.c (get_section): Allow section flags conflicts between
442         relro and read-only sections if the section hasn't been declared yet.
443         Set SECTION_OVERRIDE after diagnosing section type conflict.
444         (get_variable_section): No longer static.
445         (default_section_type_flags): Use SECTION_WRITE | SECTION_RELRO for
446         readonly sections that need relocations.
447         (decl_readonly_section_1): New function.
448         (decl_readonly_section): Use it.
449
450         Revert:
451         2010-11-17  Dinar Temirbulatov <dtemirbulatov@gmail.com>
452                     Steve Ellcey  <sje@cup.hp.com>
453
454         PR middle-end/31490
455         * varasm.c (categorize_decl_for_section): Ignore reloc_rw_mask
456         if section attribute used.
457
458 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
459
460         * config/darwin.h (SECTION_NO_ANCHOR): Remove.
461         * config/darwin.c (SECTION_NO_ANCHOR): Define.
462         (darwin_init_sections): Remove assertion.
463
464 2011-02-03  Nick Clifton  <nickc@redhat.com>
465
466         * config/rx/predicates.md (rx_zs_comparison_operator): Remove
467         lt and ge.
468         * config/rx/rx.md (abssi2_flags): Use CC_ZSmode rather than CC_ZSOmode.
469         * config/rx/rx.c (rx_print_operand): Use "lt" and "ge" suffixes
470         instead of "n" and "pz".
471         (flags_from_code): LT and GE tests need CC_FLAG_O as well as
472         CC_FLAG_S.
473
474 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
475
476         PR target/47312
477         * expr.c (expand_expr_real_2) <case FMA_EXPR>: If target doesn't expand
478         fma, expand FMA_EXPR as fma{,f,l} call.
479
480         PR lto/47274
481         * lto-streamer-out.c (write_symbol): When writing kind and visibility,
482         copy them into a unsigned char variable and pass address of it to
483         lto_output_data_stream.
484
485         PR target/47564
486         * toplev.c (target_reinit): Save and restore *crtl and regno_reg_rtx
487         around backend_init_target and lang_dependent_init_target calls.
488         * cgraphunit.c (cgraph_debug_gimple_stmt): New function.
489         (verify_cgraph_node): Don't call set_cfun here.  Use
490         cgraph_debug_gimple_stmt instead of debug_gimple_stmt.
491         Set error_found for incorrectly represented calls to thunks.
492
493 2011-02-03  Alexandre Oliva  <aoliva@redhat.com>
494
495         PR debug/43092
496         PR rtl-optimization/43494
497         * rtl.h (for_each_inc_dec_fn): New type.
498         (for_each_inc_dec): Declare.
499         * rtlanal.c (struct for_each_inc_dec_ops): New type.
500         (for_each_inc_dec_find_inc_dec): New fn.
501         (for_each_inc_dec_find_mem): New fn.
502         (for_each_inc_dec): New fn.
503         * dse.c (struct insn_size): Remove.
504         (replace_inc_dec, replace_inc_dec_mem): Remove.
505         (emit_inc_dec_insn_before): New fn.
506         (check_for_inc_dec): Use it, along with for_each_inc_dec.
507         (canon_address): Pass mem modes to cselib_lookup.
508         * cselib.h (cselib_lookup): Add memmode argument.  Adjust callers.
509         (cselib_lookup_from_insn): Likewise.
510         (cselib_subst_to_values): Likewise.
511         * cselib.c (find_slot_memmode): New var.
512         (cselib_find_slot): New fn.  Use it instead of
513         htab_find_slot_with_hash everywhere.
514         (entry_and_rtx_equal_p): Use find_slot_memmode.
515         (autoinc_split): New fn.
516         (rtx_equal_for_cselib_p): Rename and implement in terms of...
517         (rtx_equal_for_cselib_1): ... this.  Take memmode, pass it on.
518         Deal with autoinc.  Special-case recursion into MEMs.
519         (cselib_hash_rtx): Likewise.
520         (cselib_lookup_mem): Infer pmode from address mode.  Distinguish
521         address and MEM modes.
522         (cselib_subst_to_values): Add memmode, pass it on.
523         Deal with autoinc.
524         (cselib_lookup): Add memmode argument, pass it on.
525         (cselib_lookup_from_insn): Add memmode.
526         (cselib_invalidate_rtx): Discard obsolete push_operand handling.
527         (struct cselib_record_autoinc_data): New.
528         (cselib_record_autoinc_cb): New fn.
529         (cselib_record_sets): Use it, along with for_each_inc_dec.  Pass MEM
530         mode to cselib_lookup.  Reset autoinced REGs here instead of...
531         (cselib_process_insn): ... here.
532         * var-tracking.c (replace_expr_with_values, use_type): Pass MEM mode
533         to cselib_lookup.
534         (add_uses): Likewise, also to cselib_subst_to_values.
535         (add_stores): Likewise.
536         * sched-deps.c  (add_insn_mem_dependence): Pass mode to
537         cselib_subst_to_values.
538         (sched_analyze_1, sched_analyze_2): Likewise.  Adjusted.
539         * gcse.c (do_local_cprop): Adjusted.
540         * postreload.c (reload_cse_simplify_set): Adjusted.
541         (reload_cse_simplify_operands): Adjusted.
542         * sel-sched-dump (debug_mem_addr_value): Pass mode.
543
544 2011-02-03  Alexandre Oliva  <aoliva@redhat.com>
545
546         PR tree-optimization/45122
547         * tree-ssa-loop-niter.c (number_of_iterations_exit): Don't make
548         unsafe assumptions when there's more than one loop exit.
549
550 2011-02-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
551
552         PR target/47272
553         * doc/extend.texi (PowerPC AltiVec/VSX Built-in Functions):
554         Document using vector double with the load/store builtins, and
555         that the load/store builtins always use Altivec instructions.
556
557         * config/rs6000/vector.md (vector_altivec_load_<mode>): New insns
558         to use altivec memory instructions, even on VSX.
559         (vector_altivec_store_<mode>): Ditto.
560
561         * config/rs6000/rs6000-protos.h (rs6000_address_for_altivec): New
562         function.
563
564         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
565         V2DF, V2DI support to load/store overloaded builtins.
566
567         * config/rs6000/rs6000-builtin.def (ALTIVEC_BUILTIN_*): Add
568         altivec load/store builtins for V2DF/V2DI types.
569
570         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
571         set avoid indexed addresses on power6 if -maltivec.
572         (altivec_expand_ld_builtin): Add V2DF, V2DI support, use
573         vector_altivec_load/vector_altivec_store builtins.
574         (altivec_expand_st_builtin): Ditto.
575         (altivec_expand_builtin): Add VSX memory builtins.
576         (rs6000_init_builtins): Add V2DI types to internal types.
577         (altivec_init_builtins): Add support for V2DF/V2DI altivec
578         load/store builtins.
579         (rs6000_address_for_altivec): Insure memory address is appropriate
580         for Altivec.
581
582         * config/rs6000/vsx.md (vsx_load_<mode>): New expanders for
583         vec_vsx_ld and vec_vsx_st.
584         (vsx_store_<mode>): Ditto.
585
586         * config/rs6000/rs6000.h (RS6000_BTI_long_long): New type
587         variables to hold long long types for VSX vector memory builtins.
588         (RS6000_BTI_unsigned_long_long): Ditto.
589         (long_long_integer_type_internal_node): Ditti.
590         (long_long_unsigned_type_internal_node): Ditti.
591
592         * config/rs6000/altivec.md (UNSPEC_LVX): New UNSPEC.
593         (altivec_lvx_<mode>): Make altivec_lvx use a mode iterator.
594         (altivec_stvx_<mode>): Make altivec_stvx use a mode iterator.
595
596         * config/rs6000/altivec.h (vec_vsx_ld): Define VSX memory builtin
597         short cuts.
598         (vec_vsx_st): Ditto.
599
600 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
601
602         * config/pa/pa-hpux10.opt: New.
603         * config/hpux11.opt (pthread): New Driver option.
604         * config/pa/pa-hpux.opt (nolibdld, rdynamic): New Driver options.
605         * config.gcc (hppa[12]*-*-hpux10*): Use pa/pa-hpux10.opt.
606
607 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
608
609         * config/ia64/vms.opt: New.
610         * config.gcc (ia64-hp-*vms*): Use ia64/vms.opt.
611
612 2011-02-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
613
614         PR target/47580
615         * config/rs6000/vsx.md (vsx_float<VSi><mode>2): Use
616         gpc_reg_operand instead of vsx_register_operand to match rs6000.md
617         generator functions.
618         (vsx_floatuns<VSi><mode>2): Ditto.
619         (vsx_fix_trunc<mode><VSi>2): Ditto.
620         (vsx_fixuns_trunc<mode><VSi>2): Ditto.
621
622 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
623
624         * config/i386/djgpp.opt (posix): New Driver option.
625
626 2011-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
627
628         * config.gcc (*-*-freebsd[12], *-*-freebsd[12].*, *-*-freebsd*aout*):
629         Move to the unsupported targets list.
630
631 2011-02-02  Peter Bergner  <bergner@vnet.ibm.com>
632
633         PR rtl-optimization/47525
634         * df-scan.c: Update copyright years.
635         (df_get_call_refs): Do not mark global registers as DF_REF_REG_USE
636         and non-clobber DF_REF_REG_DEF for calls to const and pure functions.
637
638 2011-02-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
639
640         * config/i386/sysv4.h (TARGET_VERSION): Remove.
641         (SUBTARGET_RETURN_IN_MEMORY): Remove.
642         (ASM_OUTPUT_ASCII): Remove.
643         * config/i386/sol2.h (SUBTARGET_RETURN_IN_MEMORY): Remove #undef.
644
645 2011-02-02  Jeff Law  <law@redhat.com>
646
647         PR middle-end/47543
648         * reload.c (find_reloads_address): Handle reg+d address where both
649         components are invalid by reloading the entire address.
650
651 2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>
652             Richard Guenther  <rguenther@suse.de>
653
654         PR tree-optimization/40979
655         PR bootstrap/47044
656         * passes.c (init_optimization_passes): After LIM call copy_prop
657         and DCE to clean up.
658         * tree-ssa-loop.c (pass_graphite_transforms): Add TODO_dump_func.
659
660 2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>
661
662         PR tree-optimization/47576
663         PR tree-optimization/47555
664         * doc/invoke.texi (scev-max-expr-complexity): Documented.
665         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
666         (PARAM_SCEV_MAX_EXPR_COMPLEXITY): Declared.
667         * tree-scalar-evolution.c (follow_ssa_edge): Use
668         PARAM_SCEV_MAX_EXPR_COMPLEXITY.
669
670 2011-02-02  Richard Guenther  <rguenther@suse.de>
671
672         PR tree-optimization/47566
673         * builtins.c (builtin_save_expr): No SAVE_EXPR for SSA_NAMEs.
674
675 2011-02-02  Alexandre Oliva  <aoliva@redhat.com>
676
677         PR debug/47106
678         PR debug/47402
679         * tree-inline.c (declare_return_variable): Remove unused caller
680         variable.
681
682         PR debug/47106
683         PR debug/47402
684         * tree-flow-inline.h (clear_is_used, is_used_p): New.
685         * cfgexpand.c (account_used_vars_for_block): Use them.
686         * tree-nrv.c (tree_nrv): Likewise.
687         * tree-ssa-live.c (remove_unused_scope_block_p): Likewise.
688         (dump_scope_block): Likewise.
689         (remove_unused_locals): Likewise.
690
691         PR debug/47106
692         PR debug/47402
693         * tree-inline.c (declare_return_variable): Add result decl to
694         local decls only once.
695         * gimple-low.c (record_vars_into): Mark newly-created variables
696         as referenced.
697
698 2011-02-02  Alexandre Oliva  <aoliva@redhat.com>
699
700         PR debug/47498
701         PR debug/47501
702         PR debug/45136
703         PR debug/45130
704         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
705         debug insns.
706         (no_real_insns_p, schedule_block, set_priorities): Drop special
707         treatment of boundary debug insns.
708         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
709         * sched-ebb.c (schedule_ebbs): Adjust skipping of debug insns.
710         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
711         (BOUNDARY_DEBUG_INSN_P): Likewise.
712         (SCHEDULE_DEBUG_INSN_P): Likewise.
713         * sched-rgn.c (init_ready_list): Drop special treatment of
714         boundary debug insns.
715         * final.c (rest_of_clean_state): Clear notes' BB.
716
717 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
718
719         * config/openbsd.opt (assert=): New Driver option.
720
721 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
722
723         * config/i386/nto.opt: New.
724         * config.gcc (i[34567]86-*-nto-qnx*): Use i386/nto.opt.
725
726 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
727
728         * config/i386/netware.opt: New.
729         * config.gcc (i[3456x]86-*-netware*): Use i386/netware.opt.
730
731 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
732
733         * config/interix.opt (posix): New Driver option.
734
735 2011-02-01  DJ Delorie  <dj@redhat.com>
736
737         * config/m32c/m32c.h (PTRDIFF_TYPE): Remove extra definition.
738
739         * config/m32c/m32c.c (m32c_regno_reg_class): Return smallest reg
740         class for A0/A1.
741
742 2011-02-01  Sebastian Pop  <sebastian.pop@amd.com>
743
744         PR tree-optimization/47561
745         * toplev.c (process_options): Print the Graphite flags.  Add
746         flag_loop_flatten to the list of options requiring Graphite.
747
748 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
749
750         * config/i386/cygming.opt (posix): New Driver option.
751
752 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
753
754         * config/arm/vxworks.opt: New.
755         * config.gcc (arm-wrs-vxworks): Use arm/vxworks.opt.
756
757 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
758
759         * config/alpha/elf.opt: New.
760         * config.gcc (alpha*-*-linux*, alpha*-*-gnu*, alpha*-*-freebsd*,
761         alpha*-*-netbsd*, alpha*-*-openbsd*): Use alpha/elf.opt.
762
763 2011-02-01  Richard Guenther  <rguenther@suse.de>
764
765         PR tree-optimization/47559
766         * tree-ssa-loop-im.c (can_sm_ref_p): Do not perform
767         store-motion on references that can throw.
768
769 2011-02-01  Bernd Schmidt  <bernds@codesourcery.com>
770
771         * tree-dump.c (dump_option_value_info): Add entry for TDF_CSELIB.
772         * tree-pass.h (TDF_CSELIB): New macro.
773         * cselib.c (new_cselib_val, expand_loc, cselib_expand_value_rtx_1,
774         cselib_lookup): Check for it rather than for TDF_DETAILS.
775
776 2011-02-01  H.J. Lu  <hongjiu.lu@intel.com>
777
778         PR driver/47547
779         * lto-wrapper.c (run_gcc): Don't add -dumpdir if linker_output
780         is HOST_BIT_BUCKET.
781
782         * opts.c (finish_options): Don't add x_aux_base_name if it is
783         HOST_BIT_BUCKET.
784
785 2011-02-01  Richard Guenther  <rguenther@suse.de>
786
787         PR tree-optimization/47555
788         Revert
789         2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
790
791         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
792
793 2011-02-01  Sebastien Bourdeauducq  <sebastien@milkymist.org>
794
795         PR gcc/46692
796         * config/lm32/t-lm32: Add multilib for all CPU options.
797
798 2011-02-01  Richard Guenther  <rguenther@suse.de>
799
800         PR tree-optimization/47541
801         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
802         sure to have a field at offset zero.
803
804 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
805
806         * config/arc/arc.opt (EB, EL): New Driver options.
807
808 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
809
810         * config/alpha/osf5.opt: New.
811         * config.gcc (alpha*-dec-osf5.1*): Use alpha/osf5.opt.
812
813 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
814
815         * config/vms/vms.opt (map, mvms-return-codes): New Driver options.
816
817 2011-01-31  Sebastian Pop  <sebastian.pop@amd.com>
818
819         * common.opt (ftree-loop-linear): Use Alias to make it an alias of
820         -floop-interchange.
821         * invoke.texi (-ftree-loop-linear): Make it clear that this flag
822         is an alias of -floop-interchange and that it requires the
823         Graphite infrastructure.
824         * tree-ssa-loop.c (gate_graphite_transforms): Do not set
825         flag_loop_interchange based on the value of flag_tree_loop_linear.
826
827 2011-01-31  Jakub Jelinek  <jakub@redhat.com>
828             Richard Guenther  <rguenther@suse.de>
829
830         PR tree-optimization/47538
831         * tree-ssa-ccp.c (bit_value_binop_1): For uns computation use
832         type instead of r1type, except for comparisons.  For right
833         shifts and comparisons punt if there are mismatches in
834         sizetype vs. non-sizetype types.
835
836 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
837
838         * doc/sourcebuild.texi (Effective-Target Keywords): Document
839         avx_runtime.
840
841 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
842
843         * configure.ac (gcc_cv_ld_eh_frame_hdr): Update minimal Sun ld
844         version number.
845         * configure: Regenerate.
846
847 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
848
849         * configure.ac (gcc_cv_ld_static_option): Define.
850         (gcc_cv_ld_dynamic_option): Define.
851         (gcc_cv_ld_static_dynamic): Tru64 UNIX support -noso/-so_archive
852         instead.
853         (HAVE_LD_STATIC_DYNAMIC): Update message.
854         (LD_STATIC_OPTION): Define.
855         (LD_DYNAMIC_OPTION): Define.
856         * configure: Regenerate.
857         * config.in: Regenerate.
858         * gcc.c (init_spec) [USE_LIBUNWIND_EXCEPTIONS &&
859         HAVE_LD_STATIC_DYNAMIC]: Use them.
860
861 2011-01-31  Nick Clifton  <nickc@redhat.com>
862
863         * config/rx/rx.c (rx_get_stack_layout): Only save call clobbered
864         registers inside interrupt handlers if the handler is not a leaf
865         function.
866
867 2011-01-31  Nick Clifton  <nickc@redhat.com>
868
869         * config/mn10300/mn10300.c (mn10300_regno_in_class_p): Check for
870         reg_renumber returning an INVALID_REGNUM.
871
872 2011-01-31  Alexandre Oliva  <aoliva@redhat.com>
873
874         PR libgcj/44341
875         * doc/install.texi: Document host options discarded when cross
876         configuring target libraries.
877
878 2011-01-31  Alexandre Oliva  <aoliva@redhat.com>
879
880         Reverted:
881         2011-01-25  Alexandre Oliva  <aoliva@redhat.com>
882         PR debug/45136
883         PR debug/45130
884         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
885         debug insns.
886         (no_real_insns_p, schedule_block, set_priorities): Drop special
887         treatment of boundary debug insns.
888         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
889         * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
890         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
891         (BOUNDARY_DEBUG_INSN_P): Likewise.
892         (SCHEDULE_DEBUG_INSN_P): Likewise.
893         * sched-rgn.c (init_ready_list): Drop special treatment of
894         boundary debug insns.
895         * final.c (rest_of_clean-state): Clear notes' BB.
896
897 2011-01-31  Alan Modra  <amodra@gmail.com>
898
899         * config/rs6000/rs6000.c (print_operand): Rearrange addends in
900         toc relative expressions as we do in print_operand_address.
901
902 2011-01-30  Kazu Hirata  <kazu@codesourcery.com>
903
904         * doc/extend.texi: Follow spelling conventions.
905         * doc/invoke.texi: Fix a typo.
906
907 2011-01-30  Joseph Myers  <joseph@codesourcery.com>
908
909         * config/hpux11.opt: New.
910         * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*,
911         ia64*-*-hpux*): Use hpux11.opt.
912
913 2011-01-30  Jonathan Yong <jon_y@users.sourceforge.net>
914
915         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add t-dfprules
916         to tmake_file.
917
918 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
919
920         * doc/install.texi (hppa-hp-hpux10): Remove references to HP
921         support sites.
922
923 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
924
925         * doc/install.texi (Binaries): Remove outdated reference for
926         Motorola 68HC11/68HC12 downloads.
927
928 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
929
930         * doc/extend.texi (Thread-Local): Adjust reference to Ulrich
931         Drepper's paper.
932
933 2011-01-29  Jonathan Wakely  <jwakely.gcc@gmail.com>
934
935         PR bootstrap/47147
936         * ginclude/stddef.h: Check for _X86_64_ANSI_H_ and _I386_ANSI_H_ as
937         used by NetBSD.
938
939 2011-01-28  Ahmad Sharif  <asharif@google.com>
940
941         * value-prof.c (check_counter): Corrected error message.
942
943 2011-01-29  Jie Zhang  <jie@codesourcery.com>
944
945         * config/arm/arm.c (arm_legitimize_reload_address): New.
946         * config/arm/arm.h (ARM_LEGITIMIZE_RELOAD_ADDRESS): Use
947         arm_legitimize_reload_address.
948         * config/arm/arm-protos.h (arm_legitimize_reload_address): Declare.
949
950 2011-01-28  Ian Lance Taylor  <iant@google.com>
951
952         * godump.c (go_define): Ignore macros whose definitions include
953         two adjacent operands.
954
955 2011-01-28  Jakub Jelinek  <jakub@redhat.com>
956
957         PR target/42894
958         * varasm.c (force_const_mem): Store copy of x in desc->constant
959         instead of x itself.
960         * expr.c (emit_move_insn): Add a copy of y_cst instead of y_cst
961         itself into REG_EQUAL note.
962
963 2011-01-28  Joseph Myers  <joseph@codesourcery.com>
964
965         * config/freebsd.opt (posix, rdynamic): New Driver options.
966
967 2011-01-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
968
969         * configure.ac (gcc_cv_ld_static_dynamic): IRIX 6 ld supports
970         -Bstatic/-Bdynamic.
971         * configure: Regenerate.
972
973 2011-01-27  Joseph Myers  <joseph@codesourcery.com>
974
975         * config/rs6000/sysv4.h (LIB_NETBSD_SPEC): Don't handle -profile.
976         * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -profile.
977
978 2011-01-27  Anatoly Sokolov  <aesok@post.ru>
979
980         * config/s390/s390.h (PREFERRED_RELOAD_CLASS): Remove.
981         * config/s390/s390-protos.h (s390_preferred_reload_class): Remove.
982         * config/s390/s390.c (TARGET_PREFERRED_RELOAD_CLASS): Define.
983         (s390_preferred_reload_class): Make static. Change return and
984         'rclass' argument type to reg_class_t.
985
986 2011-01-27  Jan Hubicka  <jh@suse.cz>
987
988         PR middle-end/46949
989         * cgraphunit.c (process_common_attributes): Fix use of remove_attribute.
990         (process_function_and_variable_attributes): Check defined weakrefs.
991
992 2011-01-27  Martin Jambor  <mjambor@suse.cz>
993
994         PR tree-optimization/47228
995         * tree-sra.c (sra_modify_assign): Use build_ref_for_model instead of
996         build_ref_for_offset.
997
998 2011-01-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
999
1000         * config/spu/spu-elf.h (ASM_SPEC): Remove.
1001
1002 2011-01-26  Mikael Pettersson <mikpe@it.uu.se>
1003
1004         PR rtl-optimization/46856
1005         * postreload.c (reload_combine_recognize_const_pattern): Do not
1006         separate cc0 setter and user on cc0 targets.
1007
1008 2011-01-26  Nicola Pero  <nicola.pero@meta-innovation.com>
1009
1010         PR c/43082
1011         * c-typeck.c (c_objc_common_truthvalue_conversion): If we are
1012         passed a VOID_TYPE expression, immediately emit an error and
1013         return error_mark_node.
1014
1015 2011-01-26  Jeff Law  <law@redhat.com>
1016
1017         PR rtl-optimization/47464
1018         * df-problems.c (can_move_insn_across): Use may_trap_or_fault_p
1019         rather than may_trap_p as needed.
1020
1021 2011-01-26  DJ Delorie  <dj@redhat.com>
1022
1023         PR rtl-optimization/46878
1024         * combine.c (insn_a_feeds_b): Check for the implicit cc0
1025         setter/user dependency as well.
1026
1027 2011-01-26  Eric Botcazou  <ebotcazou@adacore.com>
1028
1029         PR rtl-optimization/44469
1030         * cfgcleanup.c (try_optimize_cfg): Iterate in CFG layout mode too
1031         after removing trivially dead basic blocks.
1032
1033 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
1034
1035         * config/bfin/bfin.h (LINK_SPEC): Remove %{Qy:} %{!Qn:-Qy}.
1036         * config/frv/frv.h (LINK_SPEC): Likewise.
1037         * config/i386/netware.h (LINK_SPEC): Likewise.
1038         * config/m68k/linux.h (ASM_SPEC): Likewise.
1039         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
1040         * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
1041         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
1042         * config/sparc/linux.h (ASM_SPEC): Likewise.
1043         * config/sparc/linux64.h (ASM_SPEC): Likewise.
1044         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
1045
1046 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
1047
1048         * config/bfin/bfin.h (ASM_SPEC): Remove %{Ym,*}.
1049         * config/frv/frv.h (ASM_SPEC): Likewise.
1050         * config/m68k/linux.h (ASM_SPEC): Likewise.
1051         * config/pa/pa-linux.h (ASM_SPEC): Likewise.
1052         * config/rs6000/linux64.h (ASM_SPEC): Likewise.
1053         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
1054         * config/sparc/linux.h (ASM_SPEC): Likewise.
1055         * config/sparc/linux64.h (ASM_SPEC): Likewise.
1056         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
1057
1058 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
1059
1060         * config/bfin/bfin.h (LINK_SPEC): Remove %{YP,*}.
1061         * config/frv/frv.h (LINK_SPEC): Likewise.
1062         * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
1063
1064 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
1065
1066         * config/bfin/bfin.h (ASM_SPEC): Remove %{Yd,*}.
1067         * config/frv/frv.h (ASM_SPEC): Likewise.
1068         * config/i386/sol2-10.h (ASM_SPEC): Likewise.
1069         * config/m68k/linux.h (ASM_SPEC): Likewise.
1070         * config/pa/pa-linux.h (ASM_SPEC): Likewise.
1071         * config/rs6000/linux64.h (ASM_SPEC32): Likewise.
1072         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
1073         * config/sol2.h (ASM_SPEC): Remove comment about -Yd,.
1074         * config/sparc/linux.h (ASM_SPEC): Likewise.
1075         * config/sparc/linux64.h (ASM_SPEC): Likewise.
1076         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
1077         * config/sparc/sysv4.h (ASM_SPEC): Remove %{Yd,*}.
1078
1079 2011-01-26  Steve Ellcey  <sje@cup.hp.com>
1080
1081         PR target/46997
1082         * config/ia64/vect.md (mulv2si3): Enable and fix for TARGET_BIG_ENDIAN.
1083         (*mux2): Ditto.
1084         (vec_extract_evenodd_help): Ditto.
1085         (vec_extract_evenv4hi): Ditto.
1086         (vec_extract_oddv4hi): Ditto.
1087         (vec_interleave_lowv2si): Ditto.
1088         (vec_interleave_highv2si): Ditto.
1089         (vec_extract_evenv2si): Ditto.
1090         (vec_extract_oddv2si: Ditto.
1091         (vec_pack_trunc_v2si): Ditto.
1092
1093 2011-01-22  Jan Hubicka  <jh@suse.cz>
1094
1095         PR target/47237
1096         * cgraph.h (cgraph_local_info): New field can_change_signature.
1097         * ipa-cp.c (ipcp_update_callgraph): Only compute args_to_skip if callee
1098         signature can change.
1099         (ipcp_estimate_growth): Call sequence simplify only if calle signature
1100         can change.
1101         (ipcp_insert_stage): Only compute args_to_skip if signature can change.
1102         (cgraph_function_versioning): We can not change signature of functions
1103         that don't allow that.
1104         * lto-cgraph.c (lto_output_node): Stream local.can_change_signature.
1105         (lto_input_node): Likewise.
1106         * ipa-inline.c (compute_inline_parameters): Compute
1107         local.can_change_signature.
1108         * ipa-split.c (visit_bb): Never split away APPLY_ARGS.
1109         * tree-sra.c (ipa_sra_preliminary_function_checks): Give up on
1110         functions that can not change signature.
1111         * i386.c (ix86_function_regparm, ix86_function_sseregparm,
1112         init_cumulative_args): Do not use local calling conventions
1113         for functions that can not change signature.
1114
1115 2011-01-22  Jan Hubicka  <jh@suse.cz>
1116
1117         * doc/invoke.texi (hot-bb-frequency-fraction): Commit forgotten hunk.
1118
1119 2011-01-26  Richard Guenther  <rguenther@suse.de>
1120
1121         PR tree-optimization/47190
1122         * cgraphunit.c (process_common_attributes): New function.
1123         (process_function_and_variable_attributes): Use it.
1124
1125 2011-01-26  Richard Guenther  <rguenther@suse.de>
1126
1127         PR lto/47423
1128         * cgraphbuild.c (record_eh_tables): Record reference to personality
1129         function.
1130
1131 2011-01-26  Alexandre Oliva  <aoliva@redhat.com>
1132
1133         PR debug/45454
1134         * sel-sched.c (moveup_expr): Don't let debug insns prevent
1135         non-debug insns from moving up.
1136
1137 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
1138
1139         PR target/40125
1140         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Select suitable
1141         t-dlldir{,-x} fragment for build and add it to tmake_file.
1142         (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1143         * Makefile.in (libgcc.mvars): Also export SHLIB_DLLDIR to libgcc.
1144         * config/i386/t-dlldir: New file.
1145         (SHLIB_DLLDIR): Define.
1146         * config/i386/t-dlldir-x: New file.
1147         (SHLIB_DLLDIR): Define.
1148         * config/i386/t-cygming: Error out if SHLIB_DLLDIR is not set.
1149         (SHLIB_INSTALL): Use it.
1150
1151 2011-01-26  Chung-Lin Tang  <cltang@codesourcery.com>
1152
1153         PR target/47246
1154         * config/arm/arm.c (thumb2_legitimate_index_p): Change the
1155         lower bound of the allowed Thumb-2 coprocessor load/store
1156         index range to -256. Add explaining comment.
1157
1158 2011-01-25  Ian Lance Taylor  <iant@google.com>
1159
1160         * godump.c (go_define): Improve lexing of macro expansion to only
1161         accept expressions which match Go spec.
1162
1163 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
1164
1165         PR c++/43601
1166         * tree.c (handle_dll_attribute): Handle it.
1167         * doc/extend.texi (@item dllexport): Mention it.
1168         * doc/invoke.texi (@item -fno-keep-inline-dllexport): Document it.
1169
1170 2011-01-25  Ian Lance Taylor  <iant@google.com>
1171
1172         PR tree-optimization/26854
1173         * c-decl.c (struct c_scope): Add field has_jump_unsafe_decl.
1174         (decl_jump_unsafe): Move higher in file, with no other change.
1175         (bind): Set has_jump_unsafe_decl if appropriate.
1176         (update_label_decls): Test has_jump_unsafe_decl to avoid loop.
1177         (check_earlier_gotos): Likewise.
1178         (c_check_switch_jump_warnings): Likewise.
1179
1180 2011-01-25  Jonathan Wakely  <jwakely.gcc@gmail.com>
1181
1182         * doc/invoke.texi (Warning Options): Add missing hyphen.
1183         (-fprofile-dir): Minor grammatical fixes.
1184         (-fbranch-probabilities): Likewise.
1185
1186 2011-01-25  Alexandre Oliva  <aoliva@redhat.com>
1187
1188         PR debug/45136
1189         PR debug/45130
1190         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
1191         debug insns.
1192         (no_real_insns_p, schedule_block, set_priorities): Drop special
1193         treatment of boundary debug insns.
1194         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
1195         * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
1196         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
1197         (BOUNDARY_DEBUG_INSN_P): Likewise.
1198         (SCHEDULE_DEBUG_INSN_P): Likewise.
1199         * sched-rgn.c (init_ready_list): Drop special treatment of
1200         boundary debug insns.
1201         * final.c (rest_of_clean-state): Clear notes' BB.
1202
1203 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1204
1205         * Makefile.in (LAMBDA_H): Removed.
1206         (TREE_DATA_REF_H): Remove dependence on LAMBDA_H.
1207         (OBJS-common): Remove dependence on lambda-code.o, lambda-mat.o,
1208         lambda-trans.o, and tree-loop-linear.o.
1209         (lto-symtab.o): Remove dependence on LAMBDA_H.
1210         (tree-loop-linear.o): Remove rule.
1211         (lambda-mat.o): Same.
1212         (lambda-trans.o): Same.
1213         (lambda-code.o): Same.
1214         (tree-vect-loop.o): Add missing dependence on TREE_DATA_REF_H.
1215         (tree-vect-slp.o): Same.
1216         * hwint.h (gcd): Moved here.
1217         (least_common_multiple): Same.
1218         * lambda-code.c: Removed.
1219         * lambda-mat.c: Removed.
1220         * lambda-trans.c: Removed.
1221         * lambda.h: Removed.
1222         * tree-loop-linear.c: Removed.
1223         * lto-symtab.c: Do not include lambda.h.
1224         * omega.c (gcd): Removed.
1225         * passes.c (init_optimization_passes): Remove pass_linear_transform.
1226         * tree-data-ref.c (print_lambda_vector): Moved here.
1227         (lambda_vector_copy): Same.
1228         (lambda_matrix_copy): Same.
1229         (lambda_matrix_id): Same.
1230         (lambda_vector_first_nz): Same.
1231         (lambda_matrix_row_add): Same.
1232         (lambda_matrix_row_exchange): Same.
1233         (lambda_vector_mult_const): Same.
1234         (lambda_vector_negate): Same.
1235         (lambda_matrix_row_negate): Same.
1236         (lambda_vector_equal): Same.
1237         (lambda_matrix_right_hermite): Same.
1238         * tree-data-ref.h: Do not include lambda.h.
1239         (lambda_vector): Moved here.
1240         (lambda_matrix): Same.
1241         (dependence_level): Same.
1242         (lambda_transform_legal_p): Removed declaration.
1243         (lambda_collect_parameters): Same.
1244         (lambda_compute_access_matrices): Same.
1245         (lambda_vector_gcd): Same.
1246         (lambda_vector_new): Same.
1247         (lambda_vector_clear): Same.
1248         (lambda_vector_lexico_pos): Same.
1249         (lambda_vector_zerop): Same.
1250         (lambda_matrix_new): Same.
1251         * tree-flow.h (least_common_multiple): Removed declaration.
1252         * tree-parloops.c (lambda_trans_matrix): Moved here.
1253         (LTM_MATRIX): Same.
1254         (LTM_ROWSIZE): Same.
1255         (LTM_COLSIZE): Same.
1256         (LTM_DENOMINATOR): Same.
1257         (lambda_trans_matrix_new): Same.
1258         (lambda_matrix_vector_mult): Same.
1259         (lambda_transform_legal_p): Same.
1260         * tree-pass.h (pass_linear_transform): Removed declaration.
1261         * tree-ssa-loop.c (tree_linear_transform): Removed.
1262         (gate_tree_linear_transform): Removed.
1263         (pass_linear_transform): Removed.
1264         (gate_graphite_transforms): Make flag_tree_loop_linear an alias of
1265         flag_loop_interchange.
1266
1267 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
1268
1269         PR tree-optimization/47265
1270         PR tree-optimization/47443
1271         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Return false
1272         if name still has some uses.
1273
1274 2011-01-25  Martin Jambor  <mjambor@suse.cz>
1275
1276         PR tree-optimization/47382
1277         * gimple-fold.c (gimple_fold_obj_type_ref_call): Removed.
1278         (gimple_fold_call): Do not call gimple_fold_obj_type_ref_call.
1279
1280 2011-01-25  Joel Sherrill <joel.sherrill@oarcorp.com>
1281
1282         * config/m32r/m32r.c: Define TARGET_EXCEPT_UNWIND_INFO to
1283         sjlj_except_unwind_info.
1284
1285 2011-01-25  Richard Guenther  <rguenther@suse.de>
1286
1287         PR tree-optimization/47426
1288         * tree-ssa-structalias.c (ipa_pta_execute): Make externally
1289         visible functions results escape.
1290
1291 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
1292
1293         PR target/45701
1294         * config/arm/arm.c (any_sibcall_uses_r3): New function.
1295         (arm_get_frame_offsets): Use it.
1296
1297 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1298             Jakub Jelinek  <jakub@redhat.com>
1299
1300         PR tree-optimization/47271
1301         * tree-if-conv.c (bb_postdominates_preds): New.
1302         (if_convertible_bb_p): Call bb_postdominates_preds.
1303         (if_convertible_loop_p_1): Compute CDI_POST_DOMINATORS.
1304         (predicate_scalar_phi): Call bb_postdominates_preds.
1305
1306 2011-01-25  Nick Clifton  <nickc@redhat.com>
1307
1308         * config/rx/rx.h (LIBCALL_VALUE): Do not promote complex types.
1309         * config/rx/rx.c (rx_function_value): Likewise.
1310         (rx_promote_function_mode): Likewise.
1311         (gen_safe_add): Place an outsized immediate value inside an UNSPEC
1312         in order to make it legitimate.
1313         * config/rx/rx.md (adddi3_internal): If the second operand is a MEM
1314         make sure that the first operand is the same as the result register.
1315         (addsi3_unspec): Delete.
1316         (subdi3): Do not accept immediate operands.
1317         (subdi3_internal): Likewise.
1318
1319 2011-01-25  Jeff Law  <law@redhat.com>
1320
1321         PR rtl-optimization/37273
1322         * ira-costs.c (scan_one_insn): Detect constants living in memory and
1323         handle them like argument loads from stack slots.  Do not double
1324         count memory for memory constants and argument loads from stack slots.
1325
1326 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
1327
1328         PR tree-optimization/47427
1329         PR tree-optimization/47428
1330         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
1331         coalesce if the new root var would be TREE_READONLY.
1332
1333 2011-01-25  Richard Guenther  <rguenther@suse.de>
1334
1335         PR middle-end/47414
1336         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Use the
1337         correct type for TBAA.
1338
1339 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1340
1341         * graphite-sese-to-poly.c (dr_indices_valid_in_loop): New.
1342         (close_phi_written_to_memory): Call for_each_index with
1343         dr_indices_valid_in_loop.
1344
1345 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1346
1347         * graphite-sese-to-poly.c (new_pbb_from_pbb): Only copy PBB_DOMAIN
1348         when it is initialized.
1349
1350 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1351
1352         * graphite-scop-detection.c (stmt_has_simple_data_refs_p): Update
1353         call to graphite_find_data_references_in_stmt.
1354         * graphite-sese-to-poly.c (outermost_loop_in_sese_1): New.
1355         (try_generate_gimple_bb): Call outermost_loop_in_sese_1.  Update
1356         call to graphite_find_data_references_in_stmt.
1357         (analyze_drs_in_stmts): Same.
1358         * tree-data-ref.c (dr_analyze_indices): Pass in parameter the loop
1359         in which the scalar analysis of indices is performed.
1360         (create_data_ref): Same.  Update call to dr_analyze_indices.
1361         (find_data_references_in_stmt): Update call to create_data_ref.
1362         (graphite_find_data_references_in_stmt): Same.
1363         * tree-data-ref.h (graphite_find_data_references_in_stmt): Update
1364         declaration.
1365         (create_data_ref): Same.
1366         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Update
1367         call to create_data_ref.
1368
1369 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1370
1371         * graphite-sese-to-poly.c (build_poly_scop): Move
1372         rewrite_commutative_reductions_out_of_ssa before find_scop_parameters.
1373
1374 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1375
1376         * graphite-sese-to-poly.c (close_phi_written_to_memory): Also allow
1377         VAR_DECL, PARM_DECL, and RESULT_DECL.
1378
1379 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1380
1381         * graphite-dependences.c (reduction_dr_1): Allow several reductions
1382         in a reduction PBB.
1383         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split PBBs
1384         that have already been marked as PBB_IS_REDUCTION.
1385
1386 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1387
1388         * graphite-scop-detection.c (same_close_phi_node): New.
1389         (remove_duplicate_close_phi): New.
1390         (make_close_phi_nodes_unique): New.
1391         (canonicalize_loop_closed_ssa): Call make_close_phi_nodes_unique.
1392
1393 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1394
1395         * graphite-dependences.c (new_poly_ddr): Call same_pdr_p.
1396         * graphite-poly.h (same_pdr_p): Do not expect that the PDR_TYPE
1397         of both data references to be the same.
1398
1399 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1400
1401         * graphite-dependences.c (build_lexicographical_constraint): Remove
1402         the gdim parameter.
1403         (build_lexicographical_constraint): Adjust call to
1404         ppl_powerset_is_empty.
1405         (dependence_polyhedron): Same.
1406         (graphite_legal_transform_dr): Same.
1407         (graphite_carried_dependence_level_k): Same.
1408         * graphite-ppl.c (ppl_powerset_is_empty): Remove the nb_params
1409         parameter.
1410         * graphite-ppl.h (ppl_powerset_is_empty): Adjust declaration.
1411
1412 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1413
1414         * graphite-sese-to-poly.c
1415         (translate_scalar_reduction_to_array_for_stmt): Call unshare_expr.
1416         (close_phi_written_to_memory): New.
1417         (translate_scalar_reduction_to_array): Call close_phi_written_to_memory
1418         and unshare_expr.
1419
1420 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1421
1422         * doc/install.texi: Update the expected version number of PPL to 0.11.
1423         * graphite-ppl.c (ppl_powerset_is_empty): Remove now dead code under
1424         #if PPL_VERSION_MINOR < 11.
1425
1426 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1427
1428         * graphite-dependences.c: Include graphite-cloog-util.h.
1429         (new_poly_ddr): Inlined into dependence_polyhedron.
1430         (free_poly_ddr): Moved close by new_poly_ddr.
1431         (dependence_polyhedron_1): Renamed dependence_polyhedron.
1432         Early return NULL when ppl_powerset_is_empty returns true.
1433         (dependence_polyhedron): Renamed new_poly_ddr.  Call only once
1434         poly_drs_may_alias_p.  Avoid one call to ppl_powerset_is_empty.
1435         (graphite_legal_transform_dr): Call new_poly_ddr.
1436         (graphite_carried_dependence_level_k): Same.
1437         (dot_original_deps_stmt_1): Renamed dot_deps_stmt_2.  Use new_poly_ddr.
1438         (dot_transformed_deps_stmt_1): Removed.
1439         (dot_deps_stmt_1): Call dot_deps_stmt_2.
1440         (dot_original_deps): Renamed dot_deps_2.  Call new_poly_ddr.
1441         (dot_deps_1): Call dot_deps_2.
1442         * Makefile.in (graphite-dependences.o): Add missing dependence on
1443         graphite-cloog-util.h.
1444
1445 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1446
1447         * graphite-dependences.c (new_poly_dr): Call ppl_powerset_is_empty.
1448         (build_lexicographical_constraint): Same.
1449         (dependence_polyhedron_1): Same.
1450         (graphite_legal_transform_dr): Same.
1451         (graphite_carried_dependence_level_k): Same.
1452         * graphite-ppl.c (ppl_powerset_is_empty): New.
1453         * graphite-ppl.h (ppl_powerset_is_empty): Declared.
1454         * tree-data-ref.c (dump_data_reference): Print the basic block index.
1455
1456 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1457
1458         * graphite-dependences.c (build_pairwise_scheduling): Correctly compute
1459         the "a followed by b" relation and document it.
1460
1461 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1462
1463         * graphite-dependences.c (build_lexicographical_constraint): Stop the
1464         iteration when the bag of constraints is empty.
1465
1466 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1467
1468         * graphite-poly.c (pbb_remove_duplicate_pdrs): Make it work.
1469
1470 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1471
1472         * graphite-interchange.c (lst_interchange_profitable_p): Takes a loop
1473         nest and two loop depths as parameters.
1474         (lst_try_interchange_loops): Call lst_interchange_profitable_p after
1475         lst_perfect_nestify.
1476
1477 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1478
1479         * graphite-dependences.c (print_pddr): Call
1480         ppl_io_fprint_Pointset_Powerset_C_Polyhedron.
1481
1482 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1483
1484         * graphite-ppl.c (debug_gmp_value): New.
1485         * graphite-ppl.h (debug_gmp_value): Declared.
1486
1487 2011-01-25  Tobias Grosser  <grosser@fim.uni-passau.de>
1488
1489         * doc/install.texi: Document availability of cloog-0.16.
1490
1491 2011-01-25  Vladimir Kargov  <kargov@gmail.com>
1492
1493         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Free
1494         invalid postdominance info.
1495
1496 2011-01-24  Jan Hubicka  <jh@suse.cz>
1497
1498         PR c/21659
1499         * doc/extend.texi (weak pragma): Drop claim that it must
1500         appear before definition.
1501         * varasm.c (merge_weak, declare_weak): Only sanity check
1502         that DECL is not output at a time it is declared weak.
1503
1504 2011-01-24  Kenneth Zadeck  <zadeck@naturalbridge.com>
1505
1506         * machmode.def: Fixed comments.
1507
1508 2011-01-24  Kai Tietz  <kai.tietz@onevision.com>
1509
1510         * emit-rtl.c (reg_attrs_htab_hash): Replace long by intptr_t.
1511
1512 2011-01-24  Paul Koning  <ni1d@arrl.net>
1513
1514         * builtins.c (c_readstr): Fix byte order if BYTES_BIG_ENDIAN !=
1515         WORDS_BIG_ENDIAN.
1516
1517 2011-01-24  H.J. Lu  <hongjiu.lu@intel.com>
1518
1519         PR target/46519
1520         * config/i386/i386.c: Include sbitmap.h and fibheap.h.
1521         (block_info): Add scanned and prev.
1522         (move_or_delete_vzeroupper_2): Return if the basic block
1523         has been scanned and the upper 128bit state is unchanged
1524         from the last scan.
1525         (move_or_delete_vzeroupper_1): Return true if the exit
1526         state is changed.
1527         (move_or_delete_vzeroupper): Visit basic blocks using the
1528         work-list based algorithm based on vt_find_locations in
1529         var-tracking.c.
1530
1531         * config/i386/t-i386: Also depend on sbitmap.h and $(FIBHEAP_H).
1532
1533 2011-01-24  Nick Clifton  <nickc@redhat.com>
1534
1535         * config/v850/v850.opt (mv850es): New option - alias for -mv850e1.
1536         * config/v850/v850.h (ASM_SPEC): If -mv850es is specified pass
1537         -mv850e1 to the assembler.  If -mv850e1 or -mv850es is specified
1538         then define __v850e1__.
1539         * doc/invoke.texi: Document -mv850es.
1540
1541 2011-01-24  Richard Henderson  <rth@redhat.com>
1542
1543         * config/rx/predicates.md (rx_fp_comparison_operator): Don't accept
1544         compound unordered comparisons.
1545         * config/rx/rx.c (rx_split_fp_compare): Remove.
1546         * config/rx/rx-protos.h: Update.
1547         * config/rx/rx.md (gcc_conds, rx_conds): Remove.
1548         (cbranchsf4): Don't call rx_split_fp_compare.
1549         (*cbranchsf4): Use rx_split_cbranch.
1550         (*cmpsf): Don't accept "i" constraint.
1551         (*conditional_branch): Only valid after reload.
1552         (cstoresf4): Merge expander with insn.  Don't call rx_split_fp_compare.
1553
1554 2011-01-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
1555
1556         PR target/47385
1557         * config/rs6000/altivec.md (vector constant splitters): Add
1558         support for creating vector single precision constants if -mvsx is
1559         used and we would create the constant using Altivec primitives.
1560
1561 2011-01-23  Bernd Schmidt  <bernds@codesourcery.com>
1562             Richard Sandiford  <rdsandiford@googlemail.com>
1563
1564         PR rtl-optimization/47166
1565         * reload1.c (emit_reload_insns): Disable the spill_reg_store
1566         mechanism for PRE_MODIFY and POST_MODIFY.
1567         (inc_for_reload): For PRE_MODIFY, return the insn that sets the
1568         reloadreg.
1569
1570 2011-01-23  Andreas Schwab  <schwab@linux-m68k.org>
1571
1572         * compare-elim.c (maybe_select_cc_mode): Add ATTRIBUTE_UNUSED markers.
1573
1574 2011-01-22  Jan Hubicka  <jh@suse.cz>
1575
1576         PR lto/47333
1577         * lto-cgraph.c (reachable_from_this_partition_p): Fix pasto.
1578
1579 2011-01-22  Jan Hubicka  <jh@suse.cz>
1580
1581         PR tree-optimization/43884
1582         PR lto/44334
1583         * predict.c (maybe_hot_frequency_p): Use entry block frequency as base.
1584         * doc/invoke.texi (hot-bb-frequency-fraction): Update docs.
1585
1586 2011-01-22  Anatoly Sokolov  <aesok@post.ru>
1587
1588         * config/s390/s390.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
1589         * config/s390/s390.c (s390_register_move_cost,
1590         s390_memory_move_cost): New.
1591         (TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.
1592
1593 2011-01-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1594
1595         PR middle-end/47401
1596         * except.c (sjlj_assign_call_site_values): Move setting the
1597         crtl->uses_eh_lsda flag to ...
1598         (sjlj_mark_call_sites): ... here.
1599         (sjlj_emit_function_enter): Support NULL dispatch label.
1600         (sjlj_build_landing_pads): In a function with no landing pads
1601         that still has must-not-throw regions, generate code to register
1602         a personality function with empty LSDA.
1603
1604 2011-01-21  Richard Henderson  <rth@redhat.com>
1605
1606         * config/rx/rx.c (TARGET_FLAGS_REGNUM): New.
1607
1608         * config/mn10300/mn10300.c (TARGET_FLAGS_REGNUM): New.
1609
1610         * compare-elim.c: New file.
1611         * Makefile.in (OBJS-common): Add it.
1612         (compare-elim.o): New.
1613         * common.opt (fcompare-elim): New.
1614         * opts.c (default_options_table): Add OPT_fcompare_elim.
1615         * tree-pass.h (pass_compare_elim_after_reload): New.
1616         * passes.c (init_optimization_passes): Add it.
1617         * recog.h: Protect against re-inclusion.
1618         * target.def (TARGET_FLAGS_REGNUM): New POD hook.
1619         * doc/invoke.texi (-fcompare-elim): Document it.
1620         * doc/tm.texi.in (TARGET_FLAGS_REGNUM): Document it.
1621         * doc/tm.texi: Rebuild.
1622
1623 2011-01-22  Nick Clifton  <nickc@redhat.com>
1624
1625         * config/rx/rx.md (cstoresf4): Pass comparison operator to
1626         rx_split_fp_compare.
1627
1628 2011-01-22  Nick Clifton  <nickc@redhat.com>
1629
1630         * config/rx/rx.md (UNSPEC_CONST): New.
1631         (deallocate_and_return): Wrap the amount popped off the stack in
1632         an UNSPEC_CONST in order to stop it being rejected by
1633         -mmax-constant-size.
1634         (pop_and_return): Add a "(return)" rtx.
1635         (call): Drop the immediate operand.
1636         (call_internal): Likewise.
1637         (call_value): Likewise.
1638         (call_value_internal): Likewise.
1639         (sibcall_internal): Likewise.
1640         (sibcall_value_internal): Likewise.
1641         (sibcall): Likewise.  Generate an explicit call using
1642         sibcall_internal.
1643         (sibcall_value): Likewise.
1644         (mov<>): FAIL if a constant operand is not legitimate.
1645         (addsi3_unpsec): New pattern.
1646
1647         * config/rx/rx.c (rx_print_operand_address): Handle UNSPEC CONSTs.
1648         (ok_for_max_constant): New function.
1649         (gen_safe_add): New function.
1650         (rx_expand_prologue): Use gen_safe_add.
1651         (rx_expand_epilogue): Likewise.
1652         (rx_is_legitimate_constant): Use ok_for_max_constant.  Handle
1653         UNSPEC CONSTs.
1654
1655 2011-01-21  Jeff Law  <law@redhat.com>
1656
1657         PR tree-optimization/47053
1658         * tree-ssa-dse.c (need_eh_cleanup): New bitmap.
1659         (dse_optimize_stmt): Set the appropriate bit in NEED_EH_CLEANUP when
1660         statements are deleted.
1661         (tree_ssa_dse): Allocate & free NEED_EH_CLEANUP.  If NEED_EH_CLEANUP
1662         is nonempty, then purge dead edges and cleanup the CFG.
1663
1664 2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
1665
1666         PR debug/47402
1667         Temporarily revert:
1668         2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
1669         PR debug/47106
1670         * tree-dfa.c (create_var_ann): Mark variable as used.
1671
1672 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
1673
1674         PR middle-end/45566
1675         * except.c (convert_to_eh_region_ranges): Emit queued no-region
1676         notes from other section in hot/cold partitioning even if
1677         last_action is -3.  Increment call_site_base.
1678
1679         PR rtl-optimization/47366
1680         * fwprop.c (forward_propagate_into): Return bool.  If
1681         any changes are made, -fnon-call-exceptions is used and
1682         REG_EH_REGION note is present, call purge_dead_edges
1683         and return true if it purged anything.
1684         (fwprop_addr): Adjust callers, call cleanup_cfg (0) if
1685         any EH edges were purged.
1686
1687 2011-01-21  Jeff Law  <law@redhat.com>
1688
1689         PR rtl-optimization/41619
1690         * caller-save.c (setup_save_areas): Break out code to determine
1691         which hard regs are live across calls by examining the reload chains
1692         so that it is always used.
1693         Eliminate code which checked REG_N_CALLS_CROSSED.
1694
1695 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
1696
1697         PR tree-optimization/47355
1698         * tree-eh.c (cleanup_empty_eh_merge_phis): Give up if
1699         NOP has non-debug uses beyond PHIs in new_bb.
1700
1701 2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
1702
1703         PR debug/47106
1704         * cfgexpand.c (account_used_vars_for_block): Only account vars
1705         that are annotated as used.
1706         (estimated_stack_frame_size): Don't set TREE_USED.
1707         * tree-dfa.c (create_var_ann): Mark variable as used.
1708
1709 2011-01-21  Richard Guenther  <rguenther@suse.de>
1710
1711         PR middle-end/47395
1712         * tree.def (WIDEN_MULT_MINUS_EXPR): Fix printed name.
1713
1714 2011-01-21  Richard Guenther  <rguenther@suse.de>
1715
1716         PR tree-optimization/47365
1717         * tree-ssa-sccvn.h (vn_lookup_kind): Declare.
1718         (vn_reference_lookup_pieces): Adjust.
1719         (vn_reference_lookup): Likewise.
1720         * tree-ssa-sccvn.c (vn_walk_kind): New static global.
1721         (vn_reference_lookup_3): Only look through kills if in
1722         VN_WALKREWRITE mode.
1723         (vn_reference_lookup_pieces): Adjust.
1724         (vn_reference_lookup): Likewise.
1725         (visit_reference_op_load): Likewise.
1726         (visit_reference_op_store): Likewise.
1727         * tree-ssa-pre.c (phi_translate_1): Use VN_WALK mode.
1728         (compute_avail): Likewise.
1729         (eliminate): Likewise.
1730
1731 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
1732
1733         * tree-ssa-live.c (remove_unused_scope_block_p): Don't remove
1734         DECL_IGNORED_P non-reg vars if they are used.
1735
1736         PR tree-optimization/47391
1737         * varpool.c (const_value_known_p): Return false if
1738         decl is volatile.
1739
1740 2011-01-21  Kai Tietz  <kai.tietz@onevision.com>
1741
1742         PR bootstrap/47215
1743         * config/i386/i386.c (ix86_local_alignment): Handle
1744         case for va_list_type_node is nil.
1745         (ix86_canonical_va_list_type): Likewise.
1746
1747 2011-01-21  Alan Modra  <amodra@gmail.com>
1748
1749         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Add
1750         builtin_define __CMODEL_MEDIUM__ and __CMODEL_LARGE__.
1751
1752 2011-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1753
1754         * config/arm/arm.md (define_attr type): Rename f_load
1755         and f_store to f_fpa_load and f_fpa_store. Update.
1756         (write_conflict): Deal with rename fallout.
1757         (*push_fp_multi): Likewise.
1758         * config/arm/fpa.md (f_load): Use f_fpa_load.
1759         (f_store): Use f_fpa_store.
1760         (*movsf_fpa): Likewise.
1761         (*movdf_fpa): Likewise.
1762         (*movxf_fpa): Likewise.
1763         (*thumb2_movsf_fpa): Likewise.
1764         (*thumb2_movdf_fpa): Likewise.
1765         (*thumb2_movxf_fpa): Likewise.
1766         * config/arm/vfp.md (*thumb2_movdf_vfp): Fix attribute to
1767         f_loadd and f_stored.
1768         (*thumb2_movdi_vfp): Likewise.
1769         (*thumb2_movsf_vfp): Fix attribute to f_loads.
1770         (*thumb2_movsi_vfp): Likewise.
1771         * config/arm/cortex-m4-fpu.md (cortex_m4_f_load):
1772         Use f_loads instead of f_load.
1773         * config/arm/cortex-a5.md (cortex_a5_f_loads): Remove f_load.
1774
1775 2011-01-20  Anatoly Sokolov  <aesok@post.ru>
1776
1777         * config/xtensa/xtensa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
1778         * config/xtensa/xtensa-protos.h (constantpool_address_p): Remove.
1779         * config/xtensa/xtensa.c (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
1780         (xtensa_mode_dependent_address_p): New function.
1781         (constantpool_address_p): Make static. Change return type to bool.
1782         Change argument type to const_rtx. Use CONST_INT_P predicate.
1783
1784 2011-01-20  Alexandre Oliva  <aoliva@redhat.com>
1785
1786         PR debug/46583
1787         * tree-ssa-live.c (remove_unused_scope_block_p): Keep type decls.
1788
1789 2011-01-20  Jakub Jelinek  <jakub@redhat.com>
1790
1791         PR debug/47283
1792         * cfgexpand.c (expand_debug_expr): Instead of generating
1793         (mem (debug_implicit_ptr)) for MEM_REFs use COMPONENT_REF
1794         etc. handling.
1795
1796 2011-01-20  Richard Guenther  <rguenther@suse.de>
1797
1798         PR middle-end/47370
1799         * tree-inline.c (remap_gimple_op_r): Recurse manually for
1800         the pointer operand of MEM_REFs.
1801
1802 2011-01-20  Jakub Jelinek  <jakub@redhat.com>
1803
1804         PR tree-optimization/46130
1805         * ipa-split.c (consider_split): If return_bb contains non-virtual
1806         PHIs other than for retval or if split_function would not adjust it,
1807         refuse to split.
1808
1809 2011-01-20  Richard Guenther  <rguenther@suse.de>
1810
1811         PR tree-optimization/47167
1812         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
1813         Revert previous change, only avoid enumeral type changes.
1814
1815 2011-01-19  Mike Stump  <mikestump@comcast.net>
1816
1817         * doc/tm.texi.in (BRANCH_COST): Englishify.
1818         * doc/tm.texi (BRANCH_COST): Likewise.
1819
1820 2011-01-19  Dodji Seketeli  <dodji@redhat.com>
1821
1822         PR c++/47291
1823         * dwarf2out.c (generic_type_p, schedule_generic_params_dies_gen)
1824         (gen_scheduled_generic_parms_dies): New functions.
1825         (gen_struct_or_union_type_die): Schedule template parameters DIEs
1826         generation for the end of CU compilation.
1827         (dwarf2out_finish): Generate template parameters DIEs here.
1828
1829 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
1830
1831         PR debug/46240
1832         * tree-into-ssa.c (maybe_register_def): Do not attempt to add
1833         debug bind stmt on merge edges.
1834
1835 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
1836
1837         PR debug/47079
1838         PR debug/46724
1839         * function.c (instantiate_expr): Instantiate incoming rtl of
1840         implicit arguments, and recurse on VALUE_EXPRs.
1841         (instantiate_decls): Instantiate rtl and VALUE_EXPR of result.
1842         * var-tracking.c (adjust_mems): Reject virtual_incoming_args_rtx.
1843
1844 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
1845
1846         * c-parser.c (c_parser_for_statement): Initialize
1847         collection_expression.
1848
1849 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
1850
1851         * config/spu/spu-elf.h (ASM_SPEC): Remove %{w:-W}.
1852
1853 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
1854
1855         * config/rs6000/sysv4.h (LINK_PATH_SPEC): Remove.
1856         (LINK_SHLIB_SPEC): Don't use %(link_path).
1857         (SUBTARGET_EXTRA_SPECS): Remove link_path.
1858
1859 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
1860
1861         * config/rs6000/sysv4.h (SHARED_LIB_SUPPORT): Remove conditional.
1862         (NO_SHARED_LIB_SUPPORT): Remove.
1863         (LINK_SHLIB_SPEC): Remove one conditional definition.
1864
1865 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
1866
1867         * config/mips/linux64.h (LINK_SPEC): Remove %{non_shared}
1868         %{call_shared}.
1869         * config/mips/mips.h (LINK_SPEC): Remove %{non_shared}.
1870         * config/mips/netbsd.h (LINK_SPEC): Remove %{call_shared}.
1871         * config/mips/openbsd.h (LINK_SPEC): Remove %{non_shared}
1872         %{call_shared} and conditionals on these options not being passed.
1873         * config/mips/sde.h (LINK_SPEC): Remove %{non_shared}
1874         %{call_shared}.
1875
1876 2011-01-19  Jakub Jelinek  <jakub@redhat.com>
1877
1878         * ipa-split.c (find_return_bb): Use single_pred_p/single_pred_edge,
1879         simplify.
1880
1881         * ipa-split.c: Spelling fixes.
1882
1883 2011-01-19  Richard Henderson  <rth@redhat.com>
1884
1885         * config/mn10300/mn10300.md (mulsi3): Use reg_or_am33_const_operand.
1886         (*mulsi3): Likewise.
1887
1888         * longlong.h [__mn10300__] (count_leading_zeros): New.
1889         [__mn10300__] (umul_ppmm, smul_ppmm): New.
1890         [__mn10300__] (add_ssaaaa, subddmmss): New.
1891         [__mn10300__] (udiv_qrnnd, sdiv_qrnnd): New.
1892         [__mn10300__] (UMUL_TIME, UDIV_TIME): New.
1893
1894 2011-01-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1895
1896         * config/spu/spu.h (MOVE_RATIO): Return 4 in the !speed case.
1897
1898 2011-01-19  Richard Henderson  <rth@redhat.com>
1899
1900         * config/mn10300/mn10300.md (addsi3_flags): New.
1901         (addc_internal, adddi3, adddi3_internal, *adddi3_degenerate): New.
1902         (subsi3_flags, subc_internal, subdi3): New.
1903         (subdi3_internal, *subdi3_degenerate): New.
1904         * config/mn10300/predicates.md (reg_or_am33_const_operand): New.
1905
1906         * config/mn10300/mn10300.c (mn10300_can_use_retf_insn): New.
1907         (mn10300_can_use_rets_insn): Rename from mn10300_can_use_return_insn.
1908         (mn10300_expand_epilogue): Use it.  Compute REG_SAVE_BYTES once.
1909         * config/mn10300/mn10300-protos.h: Update.
1910         * config/mn10300/mn10300.md (return): Use mn10300_can_use_retf_insn.
1911         (return_ret): Likewise.  Rename from return_internal_regs.
1912         (return_internal): Remove.
1913
1914         * config/mn10300/mn10300.c (mn10300_unspec_int_label_counter): Remove.
1915         (mn10300_asm_output_addr_const_extra): Don't handle UNSPEC_INT_LABEL.
1916         (mn10300_legitimate_constant_p): Likewise.
1917         (mn10300_can_use_return_insn): Use mn10300_initial_offset.
1918         (mn10300_frame_size): New.
1919         (mn10300_expand_prologue): Use it.
1920         (mn10300_expand_epilogue): Likewise.
1921         (mn10300_initial_offset): Likewise.
1922         * config/mn10300/mn10300-protos.h: Update.
1923         * config/mn10300/mn10300.h (mn10300_unspec_int_label_counter): Remove.
1924         * config/mn10300/mn10300.md (UNSPEC_INT_LABEL): Remove.
1925         (prologue, epilogue, return_internal): Tidy output code.
1926         (mn10300_store_multiple_operation, return): Likewise.
1927         (int_label, pop_pic_reg, GOTaddr2picreg): Remove.
1928         (am33_loadPC, mn10300_loadPC, call_next_insn): Remove.
1929         (add_GOT_to_pic_reg, add_GOT_to_any_reg): Remove.
1930         (load_pic, am33_load_pic): New.
1931         (mn10300_load_pic0, mn10300_load_pic1): New.
1932
1933         * config/mn10300/mn10300-modes.def (CCZN, CCZNC): New modes.
1934         * config/mn10300/mn10300.c (CC_FLAG_Z): New.
1935         (CC_FLAG_N, CC_FLAG_C, CC_FLAG_V): New.
1936         (cc_flags_for_mode, cc_flags_for_code): New.
1937         (mn10300_print_operand) ['B']: Use nc/ns for GE/LT when the
1938         overflow flag is not valid.  Validate that the flags we need
1939         for the comparison are valid.
1940         (mn10300_output_cmp): Remove.
1941         (mn10300_output_add): New.
1942         (mn10300_select_cc_mode): Use cc_flags_for_code.
1943         (mn10300_split_cbranch): New.
1944         (mn10300_match_ccmode): New.
1945         (mn10300_split_and_operand_count): New.
1946         * config/mn10300/mn10300.h (SELECT_CC_MODE): Pass all of the arguments
1947         to the function.
1948         * config/mn10300/mn10300.md (*am33_addsi3, *mn10300_addsi3): Merge...
1949         (addsi3): ... here.  Use mn10300_output_add.
1950         (*addsi3_flags): New.
1951         (*am33_subsi3, *mn10300_subsi3): Merge...
1952         (subsi3): ... here.  Use attribute isa.
1953         (*subsi3_flags): New.
1954         (negsi2): Rewrite from expander to insn_and_split.  Use NOT+INC
1955         when possible.
1956         (*am33_andsi3, *mn10300_andsi3): Merge...
1957         (andsi3): ... here.
1958         (*andsi3_flags): New.
1959         (andsi3 splitters): New.
1960         (*am33_iorsi3, *mn10300_iorsi3): Merge...
1961         (iorsi3): ... here.
1962         (*iorsi3_flags): New.
1963         (*am33_xorsi3, *mn10300_xorsi3): Merge...
1964         (xorsi3): ... here.
1965         (*xorsi3_flags): New.
1966         (*am33_cmpsi2, *mn10300_cmplsi2): Merge...
1967         (one_cmplsi2): ... here.
1968         (*one_cmplsi2_flags): New.
1969         (*cbranchsi4_cmp): Rename from cbranchsi4_post_reload.  Use "r"
1970         instead of "dax" in constraints.  Use mn10300_split_cbranch.
1971         (*cmpsi): Rename from cmpsi.  Do not use mn10300_output_cmp.  Do not
1972         use matching constraints to eliminate a self-comparison.
1973         (*integer_conditional_branch): Rename from integer_conditional_branch.
1974         Use int_mode_flags to match CC_REG.
1975         (*cbranchsi4_btst, *btstsi): New.
1976         (*cbranchsf4_cmp): Rename from *cbranchsf4_post_reload.  Use
1977         mn10300_split_cbranch.
1978         (*am33_cmpsf): Rename from am33_cmpsf.
1979         (*float_conditional_branch): Rename from float_conditional_branch.
1980         (*zero_extendqisi2_am33, *zero_extendqisi2_mn10300): Merge...
1981         (zero_extendqisi2): ... here.
1982         (*zero_extendhisi2_am33, *zero_extendhisi2_mn10300): Merge...
1983         (zero_extendhisi2): ... here.
1984         (*extendqisi2_am33, *extendqisi2_mn10300): Merge...
1985         (extendqisi2): ... here.
1986         (*extendhisi2_am33, *extendhisi2_mn10300): Merge...
1987         (extendhisi2): ... here.
1988         (*am33_ashlsi3, *mn10300_ashlsi3): Merge...
1989         (ashlsi3): ... here.
1990         (*am33_lshrsi3, *mn10300_lshrsi3): Merge...
1991         (lshrsi3): ... here.
1992         (*am33_ashrisi3, *mn10300_ashrsi3): Merge...
1993         (ashrsi3): ... here.
1994         (consecutive add peephole): Remove.
1995         * config/mn10300/predicates.md (label_ref_operand): New.
1996         (int_mode_flags): New.
1997         (CCZN_comparison_operator): New.
1998
1999         * config/mn10300/mn10300.md (UNSPEC_EXT): New.
2000         (throughput_42_latency_43): New reservation.
2001         (mulsidi3, umulsidi3): New expanders.
2002         (mulsidi3_internal): Rewrite from old mulsidi3 pattern.  Expose
2003         the MDR register to allocation; separately allocate the low and
2004         high parts of the DImode result.
2005         (umulsidi3_internal): Similarly.
2006         (*am33_mulsi3, *mn10300_mulsi3): Merge into ...
2007         (*mulsi3): ... here.  Clobber MDR as a scratch as necessary.
2008         (udivsi3, umodsi3): Remove.
2009         (udivmodsi4, divmodsi4): New expanders.
2010         (*udivmodsi4): Rename from udivmodsi4.  Expose MDR properly.
2011         (*divmodsi4): Simiarly.
2012         (ext_internal): New.
2013
2014         * config/mn10300/constraints.md ("z"): New constraint.
2015         * config/mn10300/mn10300.h (MDR_REGNUM): Remove.
2016         (FIXED_REGISTERS): Don't fix MDR.
2017         (CALL_USED_REGSITERS): Reformat nicely.
2018         (REG_ALLOC_ORDER): Add MDR.
2019         (enum regclass): Add MDR_REGS.
2020         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update to match.
2021         (IRA_COVER_CLASSES): Add MDR_REGS.
2022         (REGNO_REG_CLASS): Handle MDR_REG.
2023         * config/mn10300/mn10300.c (mn10300_secondary_reload): Handle MDR_REGS.
2024         (mn10300_register_move_cost): Likewise.
2025         * config/mn10300/mn10300.md (MDR_REG): New.
2026         (*movsi_internal): Handle moves to/from MDR_REGS.
2027
2028         * config/mn10300/mn10300.c (mn10300_print_operand_address): Handle
2029         POST_MODIFY.
2030         (mn10300_secondary_reload): Tidy combination reload classes.
2031         (mn10300_legitimate_address_p): Allow post-modify and reg+reg
2032         addresses for AM33.  Allow symbolic offsets for reg+imm.
2033         (mn10300_regno_in_class_p): New.
2034         (mn10300_legitimize_reload_address): New.
2035         * config/mn10300/mn10300.h (enum reg_class): Remove
2036         DATA_OR_ADDRESS_REGS, DATA_OR_EXTENDED_REGS, ADDRESS_OR_EXTENDED_REGS,
2037         SP_OR_EXTENDED_REGS, SP_OR_ADDRESS_OR_EXTENDED_REGS.  Add
2038         SP_OR_GENERAL_REGS.
2039         (REG_CLASS_NAMES): Update to match.
2040         (REG_CLASS_CONTENTS): Likewise.
2041         (INDEX_REG_CLASS): Use GENERAL_REGS for AM33.
2042         (BASE_REG_CLASS): Use SP_OR_GENERAL_REGS for AM33.
2043         (REGNO_IN_RANGE_P): Remove.
2044         (REGNO_DATA_P): Use mn10300_regno_in_class_p.
2045         (REGNO_ADDRESS_P, REGNO_EXTENDED_P): Likewise.
2046         (REGNO_STRICT_OK_FOR_BASE_P): Likewise.
2047         (REGNO_STRICT_OK_FOR_BIT_BASE_P): Likewise.
2048         (REGNO_STRICT_OK_FOR_INDEX_P): Likewise.
2049         (REGNO_SP_P, REGNO_AM33_P, REGNO_FP_P): Remove.
2050         (REGNO_GENERAL_P): New.
2051         (HAVE_POST_MODIFY_DISP): New.
2052         (USE_LOAD_POST_INCREMENT, USE_STORE_POST_INCREMENT): New.
2053         (LEGITIMIZE_RELOAD_ADDRESS): New.
2054         * config/mn10300/mn10300-protos.h: Update.
2055
2056         * config/mn10300/mn10300.c (mn10300_preferred_reload_class): Allow
2057         DATA_REGS for AM33 stack-pointer destination.
2058         (mn10300_preferred_output_reload_class): Likewise.
2059         (mn10300_secondary_reload): Rearrange mn10300_secondary_reload_class
2060         into a form appropriate for ...
2061         (TARGET_SECONDARY_RELOAD): New.
2062         * config/mn10300/mn10300.h (SECONDARY_RELOAD_CLASS): Remove.
2063         * config/mn10300/mn10300-protos.h: Update.
2064         * config/mn10300/mn10300.md (reload_plus_sp_const): Rename from
2065         reload_insi; use the "A" constraint for the scratch; handle AM33
2066         moves of sp to non-address registers.
2067
2068         * config/mn10300/mn10300.md (*am33_movqi, *mn10300_movqi): Merge into
2069         (*movqi_internal): ... here.
2070         (*am33_movhi, *mn10300_movhi): Merge into...
2071         (*movhi_internal): ... here.
2072         (*movsi_internal): Use "r" instead of "dax" in constraints.  Use "A"
2073         as the source/destination of moves from/to SP.
2074         (movsf): Only allow for AM33-2.
2075         (*movsf_internal): Use "r" instead of "dax"; use "F" instead of
2076         any integer constant constraint.  Only allow for AM33-2.  Tidy
2077         all of the alternative outputs.
2078         (movdi, movdf, *am33_2_movdf, *mn10300_movdf): Remove.
2079         (udivmodsi4): Delete expander and promote *udivmodsi4.  Disallow
2080         for MN103.
2081         (udivsi3, umodsi3): New patterns for MN103 only.
2082
2083 2011-01-19  Joern Rennecke  <amylaar@spamcop.net>
2084
2085         * doc/tm.texi.in: Spell out that a lack of register class unions
2086         can lead to ICEs.
2087         * doc/tm.texi: Regenerate.
2088
2089 2011-01-19  Jakub Jelinek  <jakub@redhat.com>
2090
2091         PR rtl-optimization/47337
2092         * dce.c (check_argument_store): New function.
2093         (find_call_stack_args): Ignore debug insns.  Use check_argument_store.
2094
2095         PR tree-optimization/47290
2096         * tree-eh.c (infinite_empty_loop_p): New function.
2097         (cleanup_empty_eh): Use it.
2098
2099 2011-01-18  Steve Ellcey  <sje@cup.hp.com>
2100
2101         PR target/46997
2102         * ia64.c (ia64_expand_unpack): Fix code for TARGET_BIG_ENDIAN.
2103         (a64_expand_widen_sum): Ditto.
2104         * vect.md (mulv2si3): Disable for TARGET_BIG_ENDIAN.
2105         (vec_extract_evenodd_help): Ditto.
2106         (vec_extract_evenv4hi): Ditto.
2107         (vec_extract_oddv4hi): Ditto.
2108         (vec_extract_evenv2si): Ditto.
2109         (vec_extract_oddv2si): Ditto.
2110         (vec_extract_evenv2sf): Ditto.
2111         (vec_extract_oddv2sf): Ditto.
2112         (vec_pack_trunc_v4hi: Ditto.
2113         (vec_pack_trunc_v2si): Ditto.
2114         (vec_interleave_lowv8qi): Fix for TARGET_BIG_ENDIAN.
2115         (vec_interleave_highv8qi): Ditto.
2116         (mix1_r): Ditto.
2117         (vec_extract_oddv8qi): Ditto.
2118         (vec_interleave_lowv4hi): Ditto.
2119         (vec_interleave_highv4hi): Ditto.
2120         (vec_interleave_lowv2si): Ditto.
2121         (vec_interleave_highv2si): Ditto.
2122
2123 2011-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2124
2125         * doc/extend.texi: Mention __float128 support on hppa HP-UX.
2126         * config/pa/pa-hpux.h (HPUX_LONG_DOUBLE_LIBRARY): Define to 1.
2127         * config/pa/pa.c (pa_expand_builtin): New.  Include "langhooks.h".
2128         (pa_c_mode_for_suffix): New.
2129         (TARGET_EXPAND_BUILTIN): Define.
2130         (TARGET_C_MODE_FOR_SUFFIX): Define.
2131         (pa_builtins): Define.
2132         (pa_init_builtins): Register __float128 type and init new support
2133         builtins.
2134         * config/pa/pa.h (HPUX_LONG_DOUBLE_LIBRARY): Define if not defined.
2135         * config/pa/quadlib.c (_U_Qfcopysign): New.
2136
2137 2011-01-18  Eric Botcazou  <ebotcazou@adacore.com>
2138
2139         PR middle-end/46894
2140         * explow.c (allocate_dynamic_stack_space): Do not assume more than
2141         BITS_PER_UNIT alignment if STACK_DYNAMIC_OFFSET or STACK_POINTER_OFFSET
2142         are defined.
2143
2144 2011-01-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2145
2146         PR tree-optimization/47179
2147         * config/spu/spu.c (spu_ref_may_alias_errno): New function.
2148         (TARGET_REF_MAY_ALIAS_ERRNO): Define.
2149
2150 2011-01-18  Richard Guenther  <rguenther@suse.de>
2151
2152         PR rtl-optimization/47216
2153         * emit-rtl.c: Include tree-flow.h.
2154         (set_mem_attributes_minus_bitpos): Use tree_could_trap_p instead
2155         of replicating it with different semantics.
2156         * Makefile.in (emit-rtl.o): Adjust.
2157
2158 2011-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2159
2160         * config/arm/cortex-a9.md (cortex-a9-neon.md): Actually include.
2161         (cortex_a9_dp): Handle neon types correctly.
2162
2163 2011-01-18  Jakub Jelinek  <jakub@redhat.com>
2164
2165         PR rtl-optimization/47299
2166         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: Don't use
2167         subtarget.  Use normal multiplication if both operands are constants.
2168         * expmed.c (expand_widening_mult): Don't try to optimize constant
2169         multiplication if op0 has VOIDmode.  Convert op1 constant to mode
2170         before using it.
2171
2172 2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2173
2174         * doc/lto.texi (LTO): Ensure two spaces after period.  Fix
2175         spacing after 'e.g.', typos, comma, hyphenation.
2176
2177 2011-01-17  Richard Henderson  <rth@redhat.com>
2178
2179         * config/rx/predicates.md (rx_constshift_operand): Use match_test.
2180         (rx_restricted_mem_operand): New.
2181         (rx_shift_operand): Use register_operand.
2182         (rx_source_operand, rx_compare_operand): Likewise.
2183         * config/rx/rx.md (addsi3_flags): New expander.
2184         (adddi3): Rewrite as expander.
2185         (adc_internal, *adc_flags, adddi3_internal): New patterns.
2186         (subsi3_flags): New expander.
2187         (subdi3): Rewrite as expander.
2188         (sbb_internal, *sbb_flags, subdi3_internal): New patterns.
2189
2190         * config/rx/rx.c (RX_BUILTIN_SAT): Remove.
2191         (rx_init_builtins): Remove sat builtin.
2192         (rx_expand_builtin): Likewise.
2193         * config/rx/rx.md (ssaddsi3): New.
2194         (*sat): Rename from sat.  Represent the CC_REG input.
2195
2196         * config/rx/predicates.md (rshift_operator): New.
2197         * config/rx/rx.c (rx_expand_insv): Remove.
2198         * config/rx/rx-protos.h: Update.
2199         * config/rx/rx.md (*bitset): Rename from bitset.  Swap the ashift
2200         operand to the canonical position.
2201         (*bitset_in_memory, *bitinvert, *bitinvert_in_memory): Similarly.
2202         (*bitclr, *bitclr_in_memory): Similarly.
2203         (*insv_imm, rx_insv_reg, *insv_cond, *bmcc, *insv_cond_lt): New.
2204         (insv): Retain the zero_extract in the expansion.
2205
2206         * config/rx/rx.md (bswapsi2): Use = not + for output reload.
2207         (bswaphi2, bitinvert, revw): Likewise.
2208
2209         * config/rx/rx.c (gen_rx_store_vector): Use VOIDmode for gen_rtx_SET.
2210         (gen_rx_rtsd_vector, gen_rx_popm_vector): Likewise.
2211         * config/rx/rx.md (pop_and_return): Use VOIDmode for SET.
2212         (stack_push, stack_pushm, stack_pop, stack_popm): Likewise.
2213         (bitset, bitset_in_memory): Likewise.
2214         (bitinvert, bitinvert_in_memory): Likewise.
2215         (bitclr, bitclr_in_memory): Likewise.
2216         (insv, sync_lock_test_and_setsi, movstr, rx_movstr): Likewise.
2217         (rx_strend, rx_cmpstrn): Likewise.
2218         (rx_setmem): Likewise.  Make the source BLKmode to match the dest.
2219         (bitop peep2 patterns): Remove.
2220
2221         * config/rx/rx.c (rx_match_ccmode): New.
2222         * config/rx/rx-protos.h: Update.
2223         * config/rx/rx.md (abssi2): Clobber, don't set flags.
2224         (addsi3, adddi3, andsi3, negsi2, one_cmplsi2, iorsi3): Likewise.
2225         (rotlsi3, rotrsi3, ashrsi3, lshrsi3, ashlsi3): Likewise.
2226         (subsi3, subdi3, xorsi3, addsf3, divsf3, mulsf3, subsf3): Likewise.
2227         (fix_truncsfsi2, floatsisf2): Likewise.
2228         (*abssi2_flags, *addsi3_flags, *andsi3_flags, *negsi2_flags): New.
2229         (*one_cmplsi2_flags, *iorsi3_flags, *rotlsi3_flags): New.
2230         (*rotrsi3_flags, *ashrsi3_flags, *lshrsi3_flags, *ashlsi3_flags): New.
2231         (*subsi3_flags, *xorsi3_flags): New.
2232
2233         * config/rx/rx.md (cstoresf4, *cstoresf4): New patterns.
2234
2235         * config/rx/rx.c (rx_print_operand): Remove workaround for
2236         unsplit comparison operations.
2237
2238         * config/rx/rx.md (movsicc): Split after reload.
2239         (*movsicc): Merge *movsieq and *movsine via match_operator.
2240         (*stcc): New pattern.
2241
2242         * config/rx/rx.c (rx_float_compare_mode): Remove.
2243         * config/rx/rx.h (rx_float_compare_mode): Remove.
2244         * config/rx/rx.md (cstoresi4): Split after reload.
2245         (*sccc): New pattern.
2246
2247         * config/rx/predicates.md (label_ref_operand): New.
2248         (rx_z_comparison_operator): New.
2249         (rx_zs_comparison_operator): New.
2250         (rx_fp_comparison_operator): New.
2251         * config/rx/rx.c (rx_print_operand) [B]: Examine comparison modes.
2252         Validate that the flags are set properly for the comparison.
2253         (rx_gen_cond_branch_template): Remove.
2254         (rx_cc_modes_compatible): Remove.
2255         (mode_from_flags): New.
2256         (flags_from_code): Rename from flags_needed_for_conditional.
2257         (rx_cc_modes_compatible): Re-write in terms of flags_from_mode.
2258         (rx_select_cc_mode): Likewise.
2259         (rx_split_fp_compare): New.
2260         (rx_split_cbranch): New.
2261         * config/rx/rx.md (most_cond, zs_cond): Remove iterators.
2262         (*cbranchsi4): Use match_operator and rx_split_cbranch.
2263         (*cbranchsf4): Similarly.
2264         (*cbranchsi4_tst): Rename from *tstbranchsi4_<code>.  Use
2265         match_operator and rx_split_cbranch.
2266         (*cbranchsi4_tst_ext): Combine *tstbranchsi4m_eq and
2267         tstbranchsi4m_ne.  Use match_operator and rx_split_cbranch.
2268         (*cmpsi): Rename from cmpsi.
2269         (*tstsi): Rename from tstsi.
2270         (*cmpsf): Rename from cmpsf; use CC_Fmode.
2271         (*conditional_branch): Rename from conditional_branch.
2272         (*reveresed_conditional_branch): Remove.
2273         (b<code>): Remove expander.
2274         * config/rx/rx-protos.h: Update.
2275
2276         * config/rx/rx.c (rx_compare_redundant): Remove.
2277         * config/rx/rx.md (cmpsi): Don't use it.
2278         * config/rx/rx-protos.h: Update.
2279
2280         * config/rx/rx-modes.def (CC_F): New mode.
2281         * config/rx/rx.c (rx_select_cc_mode): New.
2282         * config/rx/rx.h (SELECT_CC_MODE): Use it.
2283         * config/rx/rx-protos.h: Update.
2284
2285 2011-01-17  Richard Henderson  <rth@redhat.com>
2286
2287         * except.c (dump_eh_tree): Fix stray ; after for statement.
2288
2289 2011-01-17  Richard Guenther  <rguenther@suse.de>
2290
2291         PR tree-optimization/47313
2292         * tree-inline.c (tree_function_versioning): Move DECL_RESULT
2293         handling before copying the body.  Properly deal with
2294         by-reference result in SSA form.
2295
2296 2011-01-17  Ian Lance Taylor  <iant@google.com>
2297
2298         PR target/47219
2299         * config/sparc/sparc.c (sparc_sr_alias_set): Don't define.
2300         (struct_value_alias_set): Don't define.
2301         (sparc_option_override): Don't set sparc_sr_alias_set and
2302         struct_value_alias_set.
2303         (save_or_restore_regs): Use gen_frame_mem rather than calling
2304         set_mem_alias_set.
2305         (sparc_struct_value_rtx): Likewise.
2306
2307 2011-01-17  H.J. Lu  <hongjiu.lu@intel.com>
2308
2309         PR target/47318
2310         * config/i386/avxintrin.h (_mm_maskload_pd): Change mask to
2311         __m128i.
2312         (_mm_maskstore_pd): Likewise.
2313         (_mm_maskload_ps): Likewise.
2314         (_mm_maskstore_ps): Likewise.
2315         (_mm256_maskload_pd): Change mask to __m256i.
2316         (_mm256_maskstore_pd): Likewise.
2317         (_mm256_maskload_ps): Likewise.
2318         (_mm256_maskstore_ps): Likewise.
2319
2320         * config/i386/i386-builtin-types.def: Updated.
2321         (ix86_expand_special_args_builtin): Likewise.
2322
2323         * config/i386/i386.c (bdesc_special_args): Update
2324         __builtin_ia32_maskloadpd, __builtin_ia32_maskloadps,
2325         __builtin_ia32_maskloadpd256, __builtin_ia32_maskloadps256,
2326         __builtin_ia32_maskstorepd, __builtin_ia32_maskstoreps,
2327         __builtin_ia32_maskstorepd256 and __builtin_ia32_maskstoreps256.
2328
2329         * config/i386/sse.md (avx_maskload<ssemodesuffix><avxmodesuffix>):
2330         Use <avxpermvecmode> on mask register.
2331         (avx_maskstore<ssemodesuffix><avxmodesuffix>): Likewise.
2332
2333 2011-01-17  Olivier Hainque  <hainque@adacore.com>
2334             Michael Haubenwallner  <michael.haubenwallner@salomon.at>
2335             Eric Botcazou  <ebotcazou@adacore.com>
2336
2337         PR target/46655
2338         * xcoffout.c (ASM_OUTPUT_LINE): Output line only if positive, and only
2339         if <= USHRT_MAX in 32-bit mode.
2340
2341 2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2342
2343         * doc/install.texi (Configuration, Specific): Wrap long
2344         lines in examples.  Allow line wrapping in long options
2345         and URLs where beneficial for PDF output.
2346
2347 2011-01-16  Richard Sandiford  <rdsandiford@googlemail.com>
2348
2349         * config/mips/mips.c (mips_classify_symbol): Don't return
2350         SYMBOL_PC_RELATIVE for nonlocal labels.
2351
2352 2011-01-15  Eric Botcazou  <ebotcazou@adacore.com>
2353
2354         * config/sparc/sol2-bi.h (CC1_SPEC): Fix typo.
2355
2356 2011-01-15  Jan Hubicka  <jh@suse.cz>
2357
2358         PR tree-optimization/47276
2359         * ipa.c (function_and_variable_visibility): Do not try to mark alias
2360         declarations as needed.
2361
2362 2011-01-15  Martin Jambor  <mjambor@suse.cz>
2363
2364         * common.opt (fdevirtualize): New flag.
2365         * doc/invoke.texi (Option Summary): Document it.
2366         * opts.c (default_options_table): Add devirtualize flag.
2367         * ipa-prop.c (detect_type_change): Return immediately if
2368         devirtualize flag is not set.
2369         (detect_type_change_ssa): Likewise.
2370         (compute_known_type_jump_func): Likewise.
2371         (ipa_analyze_virtual_call_uses): Likewise.
2372
2373 2011-01-14  Martin Jambor  <mjambor@suse.cz>
2374
2375         PR tree-optimization/45934
2376         PR tree-optimization/46302
2377         * ipa-prop.c (type_change_info): New type.
2378         (stmt_may_be_vtbl_ptr_store): New function.
2379         (check_stmt_for_type_change): Likewise.
2380         (detect_type_change): Likewise.
2381         (detect_type_change_ssa): Likewise.
2382         (compute_complex_assign_jump_func): Check for dynamic type change.
2383         (compute_complex_ancestor_jump_func): Likewise.
2384         (compute_known_type_jump_func): Likewise.
2385         (compute_scalar_jump_functions): Likewise.
2386         (ipa_analyze_virtual_call_uses): Likewise.
2387         (ipa_analyze_node): Push and pop cfun, set current_function_decl.
2388
2389 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2390
2391         * config/i386/i386.h (CC1_CPU_SPEC_1): Don't handle -msse5.
2392         * config/i386/i386.opt (msse5): New Alias.
2393
2394 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2395
2396         * config/sparc/linux.h (CC1_SPEC): Remove %{sun4:} %{target:}.
2397         * config/sparc/linux64.h (CC1_SPEC): Likewise.
2398         * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
2399         * config/sparc/sparc.h (CC1_SPEC): Likewise.
2400
2401 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2402
2403         * config/sparc/linux.h (CC1_SPEC): Don't handle old equivalents of
2404         -mcpu options.
2405         * config/sparc/linux64.h (CC1_SPEC): Likewise.
2406         * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
2407         * config/sparc/sol2-bi.h (CPP_CPU_SPEC, CC1_SPEC): Likewise.
2408         * config/sparc/sparc.h (CPP_CPU_SPEC, CC1_SPEC, ASM_CPU_SPEC):
2409         Likewise.
2410         * config/sparc/t-elf (MULTILIB_MATCHES): Don't handle -mv8.
2411
2412 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2413
2414         * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -fvec or -fvec-eabi.
2415
2416 2011-01-14  Mike Stump  <mikestump@comcast.net>
2417
2418         * config/alpha/alpha.md (umk_mismatch_args): Don't put a mode on set.
2419         * config/fr30/fr30.md: Likweise
2420         (movsi_push): Likewise.
2421         (movsi_pop): Likewise.
2422         (enter_func): Likewise.
2423         * config/moxie/moxie.md (movsi_push): Likewise.
2424         (movsi_pop): Likewise.
2425
2426 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2427
2428         * config/mips/linux64.h (LINK_SPEC): Remove %{bestGnum}
2429         %{no_archive} %{exact_version}.
2430         * config/mips/mips.h (LINK_SPEC): Remove %{bestGnum}.
2431         * config/mips/netbsd.h (LINK_SPEC): Remove %{bestGnum}
2432         %{no_archive} %{exact_version}.
2433         * config/mips/openbsd.h (LINK_SPEC): Likewise.
2434         * config/mips/sde.h (LINK_SPEC): Remove %{bestGnum}.
2435         * config/mips/vxworks.h: Likewise.
2436
2437 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2438
2439         * config/microblaze/microblaze.h (ASM_SPEC): Remove %{microblaze1}.
2440
2441 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2442
2443         * config/m32r/little.h (CPP_ENDIAN_SPEC, CC1_ENDIAN_SPEC,
2444         ASM_ENDIAN_SPEC, LINK_ENDIAN_SPEC): Remove.
2445
2446 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2447
2448         * config/i386/nwld.h (LINK_SPEC): Check -nodefaultlibs not
2449         -nodefaultlib.
2450
2451 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2452
2453         * config/cris/cris.h (ASM_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check
2454         for mcpu not cpu.
2455         * config/cris/linux.h (CRIS_CPP_SUBTARGET_SPEC,
2456         CRIS_CC1_SUBTARGET_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check for mcpu
2457         not cpu.
2458         (CRIS_LINK_SUBTARGET_SPEC): Don't generate -rpath-link options.
2459         Don't handle -shlib.
2460
2461 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2462
2463         * config/avr/avr.h (CPP_SPEC): Don't handle -posix.
2464         (CC1_SPEC): Don't handle -profile.
2465
2466 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2467
2468         * config/microblaze/microblaze.h (CC1_SPEC): Remove -gline spec.
2469         * config/mips/mips.h (CC1_SPEC): Likewise.
2470
2471 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2472
2473         * config/microblaze/microblaze.h (CC1_SPEC): Remove %{save-temps: }.
2474         * config/mips/mips.h (CC1_SPEC): Likewise.
2475
2476 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2477
2478         * config/i386/linux.h (LINK_SPEC): Don't use %{!ibcs:} conditional.
2479         * config/m32r/linux.h (LINK_SPEC): Likewise.
2480         * config/mips/linux.h (LINK_SPEC): Likewise.
2481         * config/mips/linux64.h (LINK_SPEC): Likewise.
2482         * config/sparc/linux.h (LINK_SPEC): Likewise.
2483         * config/sparc/linux64.h (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
2484         LINK_SPEC): Likewise.
2485         * config/xtensa/linux.h (LINK_SPEC): Likewise.
2486
2487 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2488
2489         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove
2490         %{version:-v}.
2491         * config/lm32/uclinux-elf.h (LINK_SPEC): Likewise.
2492
2493 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2494
2495         * config/sparc/sp-elf.h (ASM_SPEC): Remove %{v:-V}.
2496         * config/sparc/sp64-elf.h (ASM_SPEC): Likewise.
2497
2498 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2499
2500         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove %{b}.
2501
2502 2011-01-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2503
2504         * configure.ac (gcc_cv_ld_static_dynamic): Solaris 2 ld always
2505         supports -Bstatic/-Bdynamic.
2506         * configure: Regenerate.
2507
2508 2011-01-14  Jan Hubicka  <jh@suse.cz>
2509         Jack Howarth <howarth@bromo.med.uc.edu>
2510
2511         PR target/46037
2512         * config/darwin.c (darwin_override_options): Honor flag_gtoggle
2513         when checking debug_info_level. Test write_symbols instead of
2514         debug_hooks->var_location when setting flag_var_tracking_uninit.
2515
2516 2011-01-14  Richard Guenther  <rguenther@suse.de>
2517
2518         PR tree-optimization/47179
2519         * target.def (ref_may_alias_errno): New target hook.
2520         * targhooks.h (default_ref_may_alias_errno): Declare.
2521         * targhooks.c: Include tree-ssa-alias.h and tree-flow.h.
2522         (default_ref_may_alias_errno): New function.
2523         * target.h (struct ao_ref_s): Declare.
2524         * tree-ssa-alias.c: Include target.h.
2525         (call_may_clobber_ref_p_1): Use the ref_may_alias_errno target hook.
2526         * Makefile.in (tree-ssa-alias.o): Adjust dependencies.
2527         (targhooks.o): Likewise.
2528         * doc/tm.texi.in (TARGET_REF_MAY_ALIAS_ERRNO): Document.
2529         * doc/tm.texi (TARGET_REF_MAY_ALIAS_ERRNO): Copy documentation.
2530
2531 2011-01-14  Richard Guenther  <rguenther@suse.de>
2532
2533         * tree-ssa-structalias.c  (new_var_info): Use DECL_HARD_REGISTER.
2534
2535 2011-01-14  Richard Guenther  <rguenther@suse.de>
2536
2537         PR tree-optimization/47280
2538         * tree-ssa-forwprop.c (associate_plusminus): Cleanup EH and
2539         return CFG changes.
2540         (tree_ssa_forward_propagate_single_use_vars): Deal with
2541         CFG changes from associate_plusminus.
2542
2543 2011-01-14  Richard Guenther  <rguenther@suse.de>
2544
2545         PR middle-end/47281
2546         Revert
2547         2011-01-11  Richard Guenther  <rguenther@suse.de>
2548
2549         PR tree-optimization/46076
2550         * tree-ssa.c (useless_type_conversion_p): Conversions from
2551         unprototyped to empty argument list function types are useless.
2552
2553 2011-01-14  Richard Guenther  <rguenther@suse.de>
2554
2555         PR tree-optimization/47286
2556         * tree-ssa-structalias.c (new_var_info): Register variables are global.
2557
2558 2011-01-14  Martin Jambor  <mjambor@suse.cz>
2559
2560         PR middle-end/46823
2561         * tree-inline.c (expand_call_inline): Get fndecl from call graph edge.
2562
2563 2011-01-13  Anatoly Sokolov  <aesok@post.ru>
2564
2565         * config/xtensa/xtensa.h (XTENSA_LIBCALL_VALUE, LIBCALL_VALUE,
2566         LIBCALL_OUTGOING_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
2567         * config/xtensa/xtensa.c (xtensa_libcall_value,
2568         xtensa_function_value_regno_p): New functions.
2569         (TARGET_LIBCALL_VALUE, TARGET_FUNCTION_VALUE_REGNO_P): Define.
2570
2571 2011-01-13  Kai Tietz  <kai.tietz@onevision.com>
2572
2573         PR c++/47213
2574         * config/i386/cygming.h (TARGET_ASM_ASSEMBLE_VISIBILITY):
2575         PE specific hook.
2576         * config/i386/i386-protos.h (i386_pe_assemble_visibility):
2577         New function prototype.
2578         * config/i386/winnt.c (i386_pe_assemble_visibility):
2579         Warn only if attribute was specified by user.
2580
2581 2011-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
2582
2583         PR target/47251
2584         * config/rs6000/rs6000.md (floatunsdidf2): Add check for hardware
2585         floating point.
2586         (floatunsdidf2_fcfidu): Ditto.
2587
2588 2011-01-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2589
2590         * config/s390/s390.c (print_operand_address): Replace 'error' with
2591         'output_operand_lossage'.
2592         (print_operand): Likewise.
2593
2594 2011-01-13  Jeff Law  <law@redhat.com>
2595
2596         PR rtl-optimization/39077
2597         * doc/invoke.texi (max-gcse-insertion-ratio): Document.
2598         * params.h (MAX_GCSE_INSERTION_RATIO): Define.
2599         * params.def (PARAM_MAX_GCSE_INSERTION_RATIO): Define.
2600         * lcm.c (pre_edge_lcm): Properly initialize output sbitmaps.
2601         * gcse.c (prune_insertions_deletions): New function.
2602         (compute_pre_data): Use it.
2603
2604 2011-01-13  Dodji Seketeli  <dodji@redhat.com>
2605
2606         PR debug/PR46973
2607         * dwarf2out.c (prune_unused_types_mark_generic_parms_dies): New
2608         static function.
2609         (prune_unused_types_mark): Use it.
2610
2611 2011-01-13  Andrey Belevantsev  <abel@ispras.ru>
2612
2613         PR rtl-optimization/45352
2614         * sel-sched.c: Update copyright years.
2615         (reset_sched_cycles_in_current_ebb): Also recheck the DFA state
2616         in the advancing loop when we have issued issue_rate insns.
2617
2618 2011-01-12  Richard Henderson  <rth@redhat.com>
2619
2620         * config/mn10300/mn10300.c (mn10300_md_asm_clobbers): New.
2621         (TARGET_MD_ASM_CLOBBERS): New.
2622
2623         * config/mn10300/mn10300.c (mn10300_delegitimize_address): New.
2624         (TARGET_DELEGITIMIZE_ADDRESS): New.
2625
2626         * config/mn10300/mn10300.md (UNSPEC_BSCH): New.
2627         (clzsi2, *bsch): New patterns.
2628
2629         * config/mn10300/mn10300.md (INT): New mode iterator.
2630         (*mov<INT>_clr): New pattern, and peep2 to generate it.
2631
2632         * config/mn10300/mn10300.c (mn10300_option_override): Force enable
2633         flag_split_wide_types.
2634
2635         * config/mn10300/mn10300.c (mn10300_asm_trampoline_template): Remove.
2636         (mn10300_trampoline_init): Rewrite without a template, an immediate
2637         load and a direct branch.
2638         * config/mn10300/mn10300.h (TRAMPOLINE_SIZE): Reduce to 16.
2639
2640 2011-01-12  Anatoly Sokolov  <aesok@post.ru>
2641
2642         * config/s390/s390.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
2643         * config/s390/s390-protos.h (s390_output_addr_const_extra): Remove.
2644         * config/s390/s390.c (s390_output_addr_const_extra): Make static.
2645         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
2646
2647 2011-01-12  Kai Tietz  <kai.tietz@onevision.com>
2648
2649         PR debug/47209
2650         * dwarfout2.c (should_emit_struct_debug): Use TYPE_MAIN_VARIANT
2651         of type.
2652
2653 2011-01-12  Jan Hubicka  <jh@suse.cz>
2654
2655         PR driver/47244
2656         * gcc.c (PLUGIN_COND): Update to disable plugin unless -flto is used.
2657         (PLUGIN_COND_CLOSE): New macro.
2658         (LINK_COMMAND_SPEC): Update to use PLUGIN_COND_CLOSE.
2659
2660 2011-01-12  Richard Guenther  <rguenther@suse.de>
2661
2662         PR lto/47259
2663         * lto-streamer-out.c (output_gimple_stmt): Do not wrap
2664         register variables in a MEM_REF.
2665
2666 2011-01-12  Joseph Myers  <joseph@codesourcery.com>
2667
2668         * config.gcc (arm*-*-linux*, bfin*-uclinux*, bfin*-linux-uclibc*,
2669         crisv32-*-linux* | cris-*-linux*, frv-*-*linux*, moxie-*-uclinux*,
2670         hppa*64*-*-linux*, hppa*-*-linux*, i[34567]86-*-linux* |
2671         i[34567]86-*-kfreebsd*-gnu | i[34567]86-*-knetbsd*-gnu |
2672         i[34567]86-*-gnu* | i[34567]86-*-kopensolaris*-gnu,
2673         x86_64-*-linux* | x86_64-*-kfreebsd*-gnu | x86_64-*-knetbsd*-gnu,
2674         ia64*-*-linux*, lm32-*-uclinux*, m32r-*-linux*, m32rle-*-linux*,
2675         m68k-*-uclinux*, m68k-*-linux*, microblaze*-linux*,
2676         mips64*-*-linux* | mipsisa64*-*-linux*, mips*-*-linux*,
2677         s390-*-linux*, s390x-*-linux*, sh*-*-linux*, sparc-*-linux*,
2678         sparc64-*-linux*, vax-*-linux*, xtensa*-*-linux*,
2679         am33_2.0-*-linux*): Use gnu-user.h before linux.h.
2680         * config/gnu-user.h: New.  Copied from linux.h.
2681         (LINUX_TARGET_STARTFILE_SPEC): Rename to
2682         GNU_USER_TARGET_STARTFILE_SPEC.
2683         (LINUX_TARGET_ENDFILE_SPEC): Rename to
2684         GNU_USER_TARGET_ENDFILE_SPEC.
2685         (LINUX_TARGET_CC1_SPEC): Rename to GNU_USER_TARGET_CC1_SPEC.
2686         (LINUX_TARGET_LIB_SPEC): Rename to GNU_USER_TARGET_LIB_SPEC.
2687         (OPTION_GLIBC, OPTION_UCLIBC, OPTION_BIONIC,
2688         LINUX_TARGET_OS_CPP_BUILTINS, CHOOSE_DYNAMIC_LINKER1,
2689         CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
2690         UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
2691         BIONIC_DYNAMIC_LINKER, BIONIC_DYNAMIC_LINKER32,
2692         BIONIC_DYNAMIC_LINKER64, LINUX_DYNAMIC_LINKER,
2693         LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64,
2694         TARGET_C99_FUNCTIONS, TARGET_HAS_SINCOS): Remove.
2695         * config/arm/linux-eabi.h (CC1_SPEC): Use
2696         GNU_USER_TARGET_CC1_SPEC.
2697         (LIB_SPEC): Use GNU_USER_TARGET_LIB_SPEC.
2698         (STARTFILE_SPEC): Use GNU_USER_TARGET_STARTFILE_SPEC.
2699         (ENDFILE_SPEC): Use GNU_USER_TARGET_ENDFILE_SPEC
2700         * config/linux.h (NO_IMPLICIT_EXTERN_C, ASM_APP_ON, ASM_APP_OFF,
2701         LINUX_TARGET_STARTFILE_SPEC, STARTFILE_SPEC,
2702         LINUX_TARGET_ENDFILE_SPEC, ENDFILE_SPEC, LINUX_TARGET_CC1_SPEC,
2703         CC1_SPEC, CPLUSPLUS_CPP_SPEC, LINUX_TARGET_LIB_SPEC, LIB_SPEC,
2704         LINK_EH_SPEC, LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Remove.
2705
2706 2011-01-12  Richard Guenther  <rguenther@suse.de>
2707
2708         PR other/46946
2709         * doc/invoke.texi (ffast-math): Document it is turned on
2710         with -Ofast.
2711
2712 2011-01-12  Jan Hubicka  <jh@suse.cz>
2713
2714         PR tree-optimization/47233
2715         * opts.c (common_handle_option): Disable ipa-reference with profile
2716         feedback.
2717
2718 2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>
2719
2720         * c-parser.c (c_parser_objc_at_property_declaration): Improved
2721         error message.
2722
2723 2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>
2724
2725         * c-parser.c (c_lex_one_token): Updated and reindented some
2726         comments.  No changes in code.
2727
2728 2011-01-11  Ian Lance Taylor  <iant@google.com>
2729
2730         * godump.c (go_output_var): Don't output the variable if there is
2731         already a type with the same name.
2732
2733 2011-01-11  Ian Lance Taylor  <iant@google.com>
2734
2735         * godump.c (go_format_type): Don't generate float80.
2736
2737 2011-01-11  Richard Henderson  <rth@redhat.com>
2738
2739         * config/mn10300/mn10300.c (mn10300_address_cost): Remove forward
2740         declaration.  Rewrite for both speed and size.
2741         (mn10300_address_cost_1): Remove.
2742         (mn10300_register_move_cost): New.
2743         (mn10300_memory_move_cost): New.
2744         (mn10300_rtx_costs): Rewrite for both speed and size.  Don't handle
2745         ZERO_EXTRACT.  Do handle UNSPEC, arithmetic, logicals, compare,
2746         extensions, shifts, BSWAP, CLZ.
2747         (mn10300_wide_const_load_uses_clr): Remove.
2748         (TARGET_REGISTER_MOVE_COST): New.
2749         (TARGET_MEMORY_MOVE_COST): New.
2750         * config/mn10300/mn10300-protos.h: Update.
2751         * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Remove.
2752
2753         * config/mn10300/constraints.md ("R", "T"): Remove constraints.
2754         * config/mn10300/mn10300.c (mn10300_mask_ok_for_mem_btst): Remove.
2755         * config/mn10300/mn10300-protos.h: Update.
2756         * config/mn10300/mn10300.md (movsi_internal): Don't use "R".
2757         (*byte_clear, *byte_set, *bit_clear1, *bit_clear2, *bit_set): Remove.
2758         (iorqi3, *am33_iorqi3, *mn10300_iorqi3): Remove.
2759         (*test_int_bitfield, *test_byte_bitfield): Remove.
2760         (*bit_test, *subreg_bit_test): Remove.
2761         * config/mn10300/predicates.md (const_8bit_operand): Remove.
2762
2763         * config/mn10300/constraints.md ("c"): Rename from "A".
2764         ("A", "D"): New constraint letters.
2765         * config/mn10300/mn10300.md (fmasf4): Use the "c" constraint.
2766         (fmssf4, fnmasf4, fnmssf4): Likewise.
2767
2768         * config/mn10300/mn10300.md (isa): New attribute.
2769         (enabled): New attribute.
2770
2771         * config/mn10300/mn10300.md (absdf2, negdf2): Remove.
2772         (abssf2, negsf2): Define only for hardware fp.
2773         (sqrtsf2): Reformat.
2774         (addsf3, subsf3, mulsf3): Merge expander and insn.
2775
2776         * config/mn10300/mn10300.h (ARG_PIONTER_CFA_OFFSET): New.
2777         (DEBUGGER_AUTO_OFFSET): Remove.
2778         (DEBUGGER_ARG_OFFSET): Remove.
2779
2780         * config/mn10300/mn10300.c (mn10300_gen_multiple_store): Make static.
2781         Emit register stores with the same offsets as the hardware.
2782         (mn10300_store_multiple_operation): Don't check that the register
2783         save offsets are monotonic.
2784         * config/mn10300/mn10300-protos.h: Update.
2785
2786         * config/mn10300/mn10300.h (ASM_PN_FORMAT): Delete.
2787
2788         * config/mn10300/mn10300.h (INCOMING_RETURN_ADDR_RTX): Define
2789         in terms of the value on the stack, not the MDR register.
2790
2791 2011-01-11  Jan Hubicka  <jh@suse.cz>
2792
2793         PR lto/45721
2794         PR lto/45375
2795         * tree.h (symbol_alias_set_t): Move typedef here from varasm.c
2796         (symbol_alias_set_destroy, symbol_alias_set_contains,
2797         propagate_aliases_backward): Declare.
2798         * lto-streamer-out.c (struct sets): New sturcture.
2799         (trivally_defined_alias): New function.
2800         (output_alias_pair_p): Rewrite.
2801         (output_unreferenced_globals): Fix output of alias pairs.
2802         (produce_symtab): Likewise.
2803         * ipa.c (function_and_variable_visibility): Set weak alias destination
2804         as needed in lto.
2805         * varasm.c (symbol_alias_set_t): Remove.
2806         (symbol_alias_set_destroy): Export.
2807         (propagate_aliases_forward, propagate_aliases_backward): New functions
2808         based on ...
2809         (compute_visible_aliases): ... this one; remove.
2810         (trivially_visible_alias): New
2811         (trivially_defined_alias): New.
2812         (remove_unreachable_alias_pairs): Rewrite.
2813         (finish_aliases_1): Reorganize code checking if alias is defined.
2814         * passes.c (rest_of_decl_compilation): Do not call assemble_alias when
2815         in LTO mode.
2816
2817 2011-01-11  Richard Guenther  <rguenther@suse.de>
2818
2819         PR tree-optimization/46076
2820         * tree-ssa.c (useless_type_conversion_p): Conversions from
2821         unprototyped to empty argument list function types are useless.
2822
2823 2011-01-11  Richard Guenther  <rguenther@suse.de>
2824
2825         PR middle-end/45235
2826         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not mark
2827         volatile MEMs as MEM_READONLY_P.
2828
2829 2011-01-11  Richard Guenther  <rguenther@suse.de>
2830
2831         PR tree-optimization/47239
2832         * tree-ssa-ccp.c (get_value_from_alignment): Punt for FUNCTION_DECLs.
2833
2834 2011-01-11  Jeff Law  <law@redhat.com>
2835
2836         PR tree-optimization/47086
2837         * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Do not record
2838         IVs from statements that might throw.
2839
2840 2011-01-10  Jan Hubicka  <jh@suse.cz>
2841
2842         PR lto/45375
2843         * lto-cgraph.c (input_profile_summary): Remove overactive sanity check.
2844
2845 2011-01-10  Jan Hubicka  <jh@suse.cz>
2846
2847         PR lto/45375
2848         * profile.c (read_profile_edge_counts): Ignore profile inconistency
2849         when correcting profile.
2850
2851 2011-01-10  Jan Hubicka  <jh@suse.cz>
2852
2853         PR lto/46083
2854         * lto-streamer-out.c (pack_ts_function_decl_value_fields): Store
2855         DECL_FINI_PRIORITY.
2856         * lto-streamer-in.c (unpack_ts_function_decl_value_fields):
2857         Restore DECL_FINI_PRIORITY.
2858
2859 2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2860
2861         * doc/gimple.texi: Fix quoting of multi-word return values in
2862         @deftypefn statements.  Ensure presence of return value.  Wrap
2863         overlong @deftypefn lines.
2864         (is_gimple_operand, is_gimple_min_invariant_address): Remove
2865         descriptions of removed functions.
2866         * doc/hostconfig.texi (Host Common): Wrap long line, fix quoting
2867         of multi-word return value in @deftypefn statement.
2868
2869 2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2870
2871         * doc/gimple.texi (Temporaries, Operands, Compound Lvalues)
2872         (Conditional Expressions, Logical Operators)
2873         (Statement and operand traversals): Do not indent smallexample
2874         code.  Fix duplicate function argument in example.
2875
2876 2011-01-10  Jeff Law  <law@redhat.com>
2877
2878         PR tree-optimization/47141
2879         * ipa-split.c (split_function): Handle case where we are
2880         returning a value and the return block has a virtual operand phi.
2881
2882 2011-01-10  Jan Hubicka  <jh@suse.cz>
2883
2884         PR tree-optimization/47234
2885         * tree-pass.h (TODO_rebuild_cgraph_edges): New TODO.
2886         (pass_feedback_split_functions): Declare.
2887         * passes.c (init_optimization_passes): Add ipa-split as subpass of
2888         tree-profile.
2889         * ipa-split.c (gate_split_functions): Update comments; disable
2890         split-functions for profile_arc_flag and branch_probabilities.
2891         (gate_feedback_split_functions): New function.
2892         (execute_feedback_split_functions): New function.
2893         (pass_feedback_split_functions): New global var.
2894
2895 2011-01-10  H.J. Lu  <hongjiu.lu@intel.com>
2896
2897         PR lto/46760
2898         * tree-inline.c (tree_can_inline_p): Check e->call_stmt before
2899         calling gimple_call_set_cannot_inline.
2900
2901 2011-01-10  Iain Sandoe  <iains@gcc.gnu.org>
2902
2903         * config/darwin-sections.def: Remove unused section.
2904
2905 2011-01-10  Dave Korn  <dave.korn.cygwin@gmail.com>
2906
2907         PR c++/47218
2908         * cgraphunit.c (assemble_thunk): Call resolve_unique_section.
2909
2910 2011-01-09  Nicola Pero  <nicola.pero@meta-innovation.com>
2911
2912         PR objc/47232
2913         * c-parser.c (c_parser_declaration_or_fndef): Improved
2914         error message.
2915
2916 2011-01-09  Kai Tietz  <kai.tietz@onevision.com>
2917
2918         * config/i386/winnt.c (i386_pe_start_function): Make sure
2919         to switch back to function's section.
2920
2921 2011-01-09  Iain Sandoe  <iains@gcc.gnu.org>
2922
2923         PR gcc/46902
2924         PR testsuite/46912
2925         * plugin.c: Move include of dlfcn.h from here...
2926         * system.h: ... to here.
2927
2928 2011-01-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2929
2930         * doc/cpp.texi (C++ Named Operators): Fix markup for header
2931         file name.
2932         * doc/cppinternals.texi (Top): Wrap node in @ifnottex to avoid
2933         two extra empty pages in PDF output.
2934
2935 2011-01-08  Nicola Pero  <nicola.pero@meta-innovation.com>
2936
2937         PR objc/47078
2938         * c-parser.c (c_parser_objc_type_name): If the type is unknown,
2939         for error recovery purposes behave as if it was not specified so
2940         that the default type is usd.
2941
2942 2011-01-07  Jan Hubicka  <jh@suse.cz>
2943
2944         PR tree-optmization/46469
2945         * ipa.c (function_and_variable_visibility): Clear needed flags on
2946         nodes with external decls; handle weakrefs merging correctly.
2947
2948 2011-01-07  Joseph Myers  <joseph@codesourcery.com>
2949
2950         * opts.c (finish_options): Set opts->x_flag_opts_finished to true,
2951         not false.
2952
2953 2011-01-07  Jan Hubicka  <jh@suse.cz>
2954
2955         * doc/invoke.texi: (-flto, -fuse-linker-plugin): Update defaults
2956         and no longer claim that gold is required for linker plugin.
2957         * configure: Regenerate.
2958         * gcc.c (PLUGIN_COND): New macro.
2959         (LINK_COMMAND_SPEC): Use it.
2960         (main): Default to plugin enabled with HAVE_LTO_PLUGIN is set.
2961         * config.in (HAVE_LTO_PLUGIN): New.
2962         * configure.ac (--with-lto-plugin): New parameter; autodetect
2963         HAVE_LTO_PLUGIN.
2964
2965 2011-01-07  Jan Hubicka  <jh@suse.cz>
2966
2967         PR tree-optimization/46367
2968         * ipa-inline.c (cgraph_clone_inlined_nodes): Use original function only
2969         when we can update original.
2970         (cgraph_mark_inline_edge): Sanity check.
2971         * ipa-prop.c (ipa_make_edge_direct_to_target): Sanity check.
2972
2973 2011-01-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2974
2975         * config/spu/spu.h (ASM_COMMENT_START): Define.
2976
2977 2011-01-07  H.J. Lu  <hongjiu.lu@intel.com>
2978
2979         PR driver/42445
2980         * gcc.c (%>S): New.
2981         (SWITCH_KEEP_FOR_GCC): Likewise.
2982         (set_collect_gcc_options): Check SWITCH_KEEP_FOR_GCC.
2983         (do_spec_1): Handle "%>".
2984
2985         * config/i386/i386.h (CC1_CPU_SPEC): Replace "%<" with "%>".
2986
2987 2011-01-07  Jakub Jelinek  <jakub@redhat.com>
2988
2989         PR target/47201
2990         * config/i386/i386.c (ix86_delegitimize_address): If
2991         simplify_gen_subreg fails, return orig_x.
2992
2993         PR bootstrap/47187
2994         * value-prof.c (gimple_stringop_fixed_value): Handle
2995         lhs of the call properly.
2996
2997 2011-01-07  Jan Hubicka  <jh@suse.cz>
2998
2999         PR lto/45375
3000         * lto-opt.c (lto_reissue_options): Set flag_shlib.
3001
3002 2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>
3003
3004         * target.def (function_switched_text_sections): New hook.
3005         * doc/tm.texi: Regenerated.
3006         * doc/tm.texi.in (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
3007         * final.c (default_function_switched_text_sections): New.
3008         (final_scan_insn): Call function_switched_text_sections when a
3009         mid-function section change occurs.
3010         * output.h (default_function_switched_text_sections): Declare.
3011         * config/darwin-protos.h (darwin_function_switched_text_sections):
3012         Likewise.
3013         * config/darwin.c (darwin_function_switched_text_sections): New.
3014         * config/darwin.h (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
3015
3016 2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>
3017
3018         * dwarf2out.c (gen_subprogram_die):  Add pubnames with code ranges for
3019         DWARF >= 3.  Add pubnames for the primary section and a reduced DIE for
3020         the secondary code fragment when outputting for DWARF == 2.
3021
3022 2011-01-07  Anatoly Sokolov  <aesok@post.ru>
3023
3024         * config/xtensa/xtensa.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
3025         * config/xtensa/xtensa-protos.h (xtensa_output_addr_const_extra):
3026         Remove.
3027         * config/xtensa/xtensa.c (xtensa_output_addr_const_extra): Make static.
3028         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
3029
3030 2011-01-06  Eric Botcazou  <ebotcazou@adacore.com>
3031
3032         PR debug/46704
3033         * dwarf2out.c (dwarf2out_finish): Output the debug_aranges section only
3034         when it is not empty.
3035
3036 2011-01-06  Changpeng Fang  <changpeng.fang@amd.com>
3037
3038         Bobcat Enablement
3039         * config.gcc (i[34567]86-*-linux* | ...): Add btver1.
3040         (case ${target}): Add btver1.
3041         * config/i386/driver-i386.c (host_detect_local_cpu): Let
3042         -march=native recognize btver1 processors.
3043         * config/i386/i386-c.c (ix86_target_macros_internal): Add
3044         btver1 def_and_undef
3045         * config/i386/i386.c (struct processor_costs btver1_cost): New
3046         btver1 cost table.
3047         (m_BTVER1): New definition.
3048         (m_AMD_MULTIPLE): Includes m_BTVER1.
3049         (initial_ix86_tune_features): Add btver1 tune.
3050         (processor_target_table): Add btver1 entry.
3051         (static const char *const cpu_names): Add btver1 entry.
3052         (software_prefetching_beneficial_p): Add btver1.
3053         (ix86_option_override_internal): Add btver1 instruction sets.
3054         (ix86_issue_rate): Add btver1.
3055         (ix86_adjust_cost): Add btver1.
3056         * config/i386/i386.h (TARGET_BTVER1): New definition.
3057         (enum target_cpu_default): Add TARGET_CPU_DEFAULT_btver1.
3058         (enum processor_type): Add PROCESSOR_BTVER1.
3059         * config/i386/i386.md (define_attr "cpu"): Add btver1.
3060
3061 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3062
3063         PR target/43309
3064         * config/i386/i386.c (legitimize_tls_address)
3065         <TLS_MODEL_INITIAL_EXEC>: Handle TARGET_64BIT && TARGET_SUN_TLS.
3066         * config/i386/i386.md (UNSPEC_TLS_IE_SUN): Declare.
3067         (tls_initial_exec_64_sun): New pattern.
3068
3069 2011-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
3070
3071         * doc/invoke.texi (Overall Options): Improve wording and markup
3072         of the description of -wrapper.
3073
3074 2011-01-06  Joseph Myers  <joseph@codesourcery.com>
3075
3076         * config/sol2.opt (G, YP,, Ym,, compat-bsd, pthread, pthreads,
3077         rdynamic, threads): New Driver options.
3078
3079 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3080
3081         PR target/38118
3082         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Also switch to .bss
3083         if coming from .tdata.
3084         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
3085
3086 2011-01-06  Jan Hubicka  <jh@suse.cz>
3087
3088         PR lto/47188
3089         * collect2.c (main): Do not enable LTOmode when plugin is active.
3090
3091 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3092
3093         PR other/45915
3094         * configure.ac (gcc_cv_as_gnu_unique_object): Only use ldd
3095         --version output if supported.
3096         * configure: Regenerate.
3097
3098 2011-01-06  Joseph Myers  <joseph@codesourcery.com>
3099
3100         * config/linux-android.opt (tno-android-cc, tno-android-ld): New
3101         Driver options.
3102
3103 2011-01-06  Jakub Jelinek  <jakub@redhat.com>
3104
3105         PR c/47150
3106         * c-convert.c (convert): When converting a complex expression
3107         other than COMPLEX_EXPR to a different complex type, ensure
3108         c_save_expr is called instead of save_expr, unless in_late_binary_op.
3109         * c-typeck.c (convert_for_assignment): Set in_late_binary_op also
3110         when converting COMPLEX_TYPE.
3111
3112 2011-01-06  Ira Rosen  <irar@il.ibm.com>
3113
3114         PR tree-optimization/47139
3115         * tree-vect-loop.c (vect_is_simple_reduction_1): Check that
3116         only the last reduction value is used outside the loop.  Update
3117         documentation.
3118
3119 2011-01-05  Joseph Myers  <joseph@codesourcery.com>
3120
3121         * config/rtems.opt: New.
3122         * config.gcc (*-*-rtems*): Use rtems.opt.
3123
3124 2011-01-05  Changpeng Fang  <changpeng.fang@amd.com>
3125
3126         * config/i386/i386.c (ix86_option_override_internal): Bulldozer
3127         processors do not support 3DNow instructions.
3128
3129 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3130
3131         * config/spu/spu.c (spu_option_override): Set parameter
3132         PARAM_MAX_COMPLETELY_PEEL_TIMES to 4 instead of 1.
3133
3134 2011-01-05  Jan Hubicka  <jh@suse.cz>
3135
3136         * lto-wrapper.c (run_gcc): Default to WHOPR mode when none is specified
3137         at the command line.
3138
3139 2011-01-05  Martin Jambor  <mjambor@suse.cz>
3140
3141         PR lto/47162
3142         * lto-cgraph.c (output_cgraph_opt_summary_p): Also check for thunk
3143         deltas on streamed outgoing edges.
3144         (output_node_opt_summary): Output info for outgoing edges only when
3145         the node is in new parameter set.
3146         (output_cgraph_opt_summary): New parameter set, passed to the two
3147         aforementioned functions.  Update its forward declaration and its
3148         callee too.
3149
3150 2011-01-05  Tom Tromey  <tromey@redhat.com>
3151
3152         * c-parser.c (c_parser_omp_atomic): Pass location of assignment
3153         operator to c_finish_omp_atomic.
3154         * c-typeck.c (lvalue_or_else): Add 'loc' argument.
3155         (build_unary_op): Update.
3156         (build_modify_expr): Update.
3157         (build_asm_expr): Update.
3158
3159 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3160
3161         * config/spu/spu.c (emit_nop_for_insn): Set INSN_LOCATOR for
3162         newly inserted insns.
3163         (pad_bb): Likewise.
3164         (spu_emit_branch_hint): Likewise.
3165         (insert_hbrp_for_ilb_runout): Likewise.
3166         (spu_machine_dependent_reorg): Call df_finish_pass after
3167         schedule_insns returns.
3168
3169 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3170
3171         * config/spu/spu.c (spu_expand_prologue): Support -fstack-usage.
3172
3173 2011-01-05  Eric Botcazou  <ebotcazou@adacore.com>
3174
3175         PR tree-optimization/47005
3176         * tree-sra.c (struct access): Add 'non_addressable' bit.
3177         (create_access): Set it for a DECL_NONADDRESSABLE_P field.
3178         (decide_one_param_reduction): Return 0 if the parameter is passed by
3179         reference and one of the accesses in the group is non_addressable.
3180
3181 2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>
3182
3183         PR tree-optimization/47056
3184         * cgraphbuild.c (mark_address): Remove ATTRIBUTE_UNUSED markers.
3185         (mark_load): Likewise.  Handle FUNCTION_DECL specially.
3186         (mark_store): Likewise.  Pass STMT to ipa_record_reference.
3187
3188 2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>
3189
3190         * dwarf2out.c (rtl_for_decl_init): Strip no-op conversions off the
3191         initializer.  Skip view conversions from aggregate types.
3192
3193 2011-01-04  Kai Tietz  <kai.tietz@onevision.com>
3194
3195         PR bootstrap/47055
3196         * libgcov.c (gcov_exit): Check for HAS_DRIVE_SPEC.
3197
3198 2011-01-04  Philipp Thomas <pth@suse.de>
3199
3200         * config/microblaze/microbalse.opt (mxl-float-convert): Fix
3201         obvious typo.
3202
3203 2011-01-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3204
3205         * function.c (thread_prologue_and_epilogue_insns): Do not crash
3206         on empty epilogue sequences.
3207
3208 2011-01-04  Joseph Myers  <joseph@codesourcery.com>
3209
3210         * config/vxworks.opt (Bdynamic, Bstatic, Xbind-lazy, Xbind-now,
3211         non-static): New Driver options.
3212
3213 2011-01-04  Jie Zhang  <jie@codesourcery.com>
3214
3215         PR driver/47137
3216         * gcc.c (default_compilers[]): Set combinable field to 0
3217         for all assembly languages.
3218
3219 2011-01-04  Mingjie Xing  <mingjie.xing@gmail.com>
3220
3221         * config/mips/loongson3a.md: New file.
3222         * config/mips/mips.md: Include loongson3a.md.
3223         * config/mips/mips.c (mips_multipass_dfa_lookahead): Return 4 when
3224         TUNE_LOONGSON_3A.
3225
3226 2011-01-03  Eric Botcazou  <ebotcazou@adacore.com>
3227
3228         PR middle-end/47017
3229         * expr.c (expand_expr_real_1) <MEM_REF>: Call memory_address_addr_space
3230         instead of convert_memory_address_addr_space on the base expression.
3231
3232 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3233
3234         * config/spu/spu.c (spu_option_override): Update error text
3235         for bad -march= / -mtune= values.
3236
3237 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3238
3239         * config/spu/spu.c (asm_file_start): Only reset flag_var_tracking
3240         if branch-hint optimization will be performed.
3241
3242 2011-01-03  Jakub Jelinek  <jakub@redhat.com>
3243
3244         PR tree-optimization/47148
3245         * ipa-split.c (split_function): Convert arguments to
3246         DECL_ARG_TYPE if possible.
3247
3248         PR tree-optimization/47155
3249         * tree-ssa-ccp.c (bit_value_binop_1): Use r1type instead of type
3250         when computing uns.
3251
3252         PR rtl-optimization/47157
3253         * combine.c (try_combine): If undobuf.other_insn becomes
3254         (set (pc) (pc)) jump, call update_cfg_for_uncondjump on it
3255         and set *new_direct_jump_p too.
3256
3257 2011-01-03  Sebastian Pop  <sebastian.pop@amd.com>
3258
3259         PR tree-optimization/47021
3260         * graphite-sese-to-poly.c (scan_tree_for_params): Handle ADDR_EXPR.
3261
3262 2011-01-03  Jakub Jelinek  <jakub@redhat.com>
3263
3264         * gcc.c (process_command): Update copyright notice dates.
3265         * gcov.c (print_version): Likewise.
3266         * gcov-dump.c (print_version): Likewise.
3267         * mips-tfile.c (main): Likewise.
3268         * mips-tdump.c (main): Likewise.
3269
3270 2011-01-03  Martin Jambor  <mjambor@suse.cz>
3271
3272         PR tree-optimization/46801
3273         * tree-sra.c (type_internals_preclude_sra_p): Check whether
3274         aggregate fields start at byte boundary instead of the bit-field flag.
3275
3276 2011-01-03  H.J. Lu  <hongjiu.lu@intel.com>
3277
3278         PR driver/47137
3279         * gcc.c (main): Revert revision 168407.
3280
3281 2011-01-03  Martin Jambor  <mjambor@suse.cz>
3282
3283         * lto-cgraph.c (input_cgraph_opt_section): Use the correct section type.
3284
3285 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3286
3287         * tree-vect-generic.c (expand_vector_operations_1): When using vector/
3288         vector optab to expand vector/scalar shift, update gimple to vector.
3289
3290 2011-01-03  Martin Jambor  <mjambor@suse.cz>
3291
3292         * cgraphunit.c (verify_cgraph_node): Verify there is no direct call to
3293         a thunk.
3294
3295 2011-01-03  Martin Jambor  <mjambor@suse.cz>
3296
3297         PR tree-optimization/46984
3298         * cgraph.h (cgraph_indirect_call_info): make field thunk_delta
3299         HOST_WIDE_INT.
3300         (cgraph_create_indirect_edge): Fixed line length.
3301         (cgraph_indirect_call_info): Declare.
3302         (cgraph_make_edge_direct) Update declaration.
3303         * cgraph.c (cgraph_allocate_init_indirect_info): New function.
3304         (cgraph_create_indirect_edge): Use it.
3305         (cgraph_make_edge_direct): Made delta HOST_WIDE_INT.  Updated all
3306         callees.
3307         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update for
3308         the new thunk_delta representation.
3309         * ipa-prop.c (ipa_make_edge_direct_to_target): Convert delta to
3310         HOST_WIDE_INT.
3311         (ipa_write_indirect_edge_info): Remove streaming of thunk_delta.
3312         (ipa_read_indirect_edge_info): Likewise.
3313         * lto-cgraph.c (output_edge_opt_summary): New function.
3314         (output_node_opt_summary): Call it on all outgoing edges.
3315         (input_edge_opt_summary): New function.
3316         (input_node_opt_summary): Call it on all outgoing edges.
3317
3318 2011-01-02  H.J. Lu  <hongjiu.lu@intel.com>
3319
3320         PR driver/47137
3321         * gcc.c (main): Don't check have_o when settting combine_inputs.
3322
3323 2011-01-02  Eric Botcazou  <ebotcazou@adacore.com>
3324
3325         * regrename.c: Add general comment describing the pass.
3326         (struct du_head): Remove 'length' field.
3327         (get_element, merge_sort_comparison, merge, sort_du_head): Remove.
3328         (regrename_optimize): Do not sort chains.  Rework comments, add others.
3329         Force renaming to the preferred class (if any) in the first pass and do
3330         not consider registers that belong to it in the second pass.
3331         (create_new_chain): Do not set 'length' field.
3332         (scan_rtx_reg): Likewise.
3333
3334 2011-01-02  Jakub Jelinek  <jakub@redhat.com>
3335
3336         PR tree-optimization/47140
3337         * tree-ssa-ccp.c (evaluate_stmt): For binary assignments, use
3338         TREE_TYPE (lhs) instead of TREE_TYPE (rhs1) as second argument
3339         to bit_value_binop.
3340
3341         PR rtl-optimization/47028
3342         * cfgexpand.c (gimple_expand_cfg): Insert entry edge insertions after
3343         parm_birth_insn instead of at the beginning of first bb.
3344
3345 2011-01-02  Mingjie Xing  <mingjie.xing@gmail.com>
3346
3347         * doc/generic.texi: Remove duplicated "@subsubsection Statements".
3348         Remove the word "see" before "@pxref".
3349         * doc/rtl.texi: Remove the word "see" before "@pxref".
3350
3351 2011-01-01  Jan Hubicka  <jh@suse.cz>
3352
3353         * tree-loop-distribution.c (tree_loop_distribution): Do not use freed
3354         memory.
3355
3356 2011-01-01  Kai Tietz  <kai.tietz@onevision.com>
3357
3358         PR target/38662
3359         * tree.c (type_hash_eq): Call language hook for METHOD_TYPEs, too.
3360
3361 \f
3362 Copyright (C) 2011 Free Software Foundation, Inc.
3363
3364 Copying and distribution of this file, with or without modification,
3365 are permitted in any medium without royalty provided the copyright
3366 notice and this notice are preserved.