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