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* config/alpha/alpha.c (alpha_handle_option): Access target_flags
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2011-03-22  Joseph Myers  <joseph@codesourcery.com>
2
3         * config/alpha/alpha.c (alpha_handle_option): Access target_flags
4         via opts pointer.  Use error_at.  Don't assert that global
5         structures are in use.
6
7 2011-03-22  Joseph Myers  <joseph@codesourcery.com>
8
9         * config/i386/i386.c (ix86_isa_flags_explicit): Remove.
10         (ix86_handle_option): Access ix86_isa_flags and
11         ix86_isa_flags_explicit via opts pointer.  Don't assert that
12         global structures are in use.
13         (ix86_function_specific_save, ix86_function_specific_restore):
14         Update ix86_isa_flags_explicit field name.
15         * config/i386/i386.opt (ix86_isa_flags_explicit): New Variable
16         entry.
17         (ix86_isa_flags_explicit): Rename TargetSave entry to
18         x_ix86_isa_flags_explicit.
19
20 2011-03-22  Richard Henderson  <rth@redhat.com>
21
22         * config/alpha/alpha.c (NUM_ARGS): Don't test TARGET_ABI_UNICOSMK.
23         (alpha_option_override, direct_return): Likewise.
24         (alpha_arg_partial_bytes, alpha_setup_incoming_varargs): Likewise.
25         (alpha_va_start, alpha_gimplify_va_arg, alpha_sa_mask): Likewise.
26         (alpha_sa_size, compute_frame_size, alpha_expand_prologue): Likewise.
27         (alpha_start_function, alpha_output_function_end_prologue): Likewise.
28         (alpha_expand_epilogue, alpha_end_function): Likewise.
29         (alpha_init_libfuncs): Likewise.
30         (struct machine_function): Remove unicosmk members.
31         (print_operand) ['t']: Remove.
32         (unicosmk_must_pass_in_stack, unicosmk_initial_elimination_offset,
33         unicosmk_output_module_name, unicosmk_output_common,
34         current_section_align, unicosmk_output_text_section_asm_op,
35         unicosmk_output_data_section_asm_op, unicosmk_init_sections,
36         unicosmk_section_type_flags, unicosmk_unique_section,
37         unicosmk_asm_named_section, unicosmk_insert_attributes,
38         unicosmk_output_align, unicosmk_defer_case_vector,
39         unicosmk_output_addr_vec, unicosmk_output_deferred_case_vectors,
40         SSIB_PREFIX, SSIB_PREFIX_LEN, unicosmk_ssib_name, unicosmk_gen_dsib,
41         unicosmk_output_ssib, unicosmk_add_call_info_word,
42         unicosmk_extern_head, unicosmk_output_default_externs,
43         unicosmk_output_externs, unicosmk_add_extern, unicosmk_dex_list,
44         unicosmk_dex_count, unicosmk_special_name, unicosmk_need_dex,
45         unicosmk_output_dex, unicosmk_file_start, unicosmk_file_end): Remove.
46         * config/alpha/alpha-protos.h: Update.
47         * config/alpha/alpha.h (TARGET_ABI_OSF): Don't test TARGET_ABI_UNICOSMK.
48         * config/alpha/alpha.md (UNSPEC_UMK_LAUM, UNSPEC_UMK_LALM): Remove.
49         (UNSPEC_UMK_LAL, UNSPEC_UMK_LOAD_CIW): Remove.
50         (mulsi3): Don't test TARGET_ABI_UNICOSMK.
51         (*mulsi_se, mulvsi3): Likewise.
52         (divsi3, udivsi3, modsi3, umodsi3, divdi3, udivdi3): Likewise.
53         (*divmodsi_internal, call, call_value, realign): Likewise.
54         (moddi3, umoddi3): Likewise; remove duplicate expander.
55         (moddi3_umk, umoddi3_umk, call_umk, call_value_umk): Remove.
56         (*call_umk_1, *movsi, umk_laum, umk_lalm, *umk_load_ciw): Remove.
57         (*movdi_nofix): Remove r/U alternative.
58         (umk_mismatch_args, arg_home_umk, *call_value_umk): Remove.
59         * config/alpha/constraints.md ("U"): Remove.
60         * config/alpha/predicates.md (call_operand"): Don't test
61         TARGET_ABI_UNICOSMK.
62
63 2011-03-22  Joseph Myers  <joseph@codesourcery.com>
64
65         * target.def (handle_option): Take gcc_options and
66         cl_decoded_option pointers and location_t.
67         * doc/tm.texi.in (TARGET_HANDLE_OPTION): Update documentation.
68         * doc/tm.texi: Regenerate.
69         * hooks.c (hook_bool_size_t_constcharptr_int_true): Remove.
70         * hooks.h (hook_bool_size_t_constcharptr_int_true): Don't declare.
71         * lto-opts.c (lto_reissue_options): Generate option structure for
72         targetm.handle_option call.
73         * opts.c (target_handle_option): Update call to
74         targetm.handle_option.  Remove assertions about values now passed
75         down to hook.
76         * targhooks.c (default_target_handle_option): New.
77         * targhooks.h (default_target_handle_option): Declare.
78         * config/alpha/alpha.c: Include opts.h.
79         (alpha_handle_option): Update to new hook interface.
80         * config/arm/arm.c: Include opts.h.
81         (arm_handle_option): Update to new hook interface.
82         * config/arm/t-arm (arm.o): Update dependencies.
83         * config/bfin/bfin.c: Include opts.h.
84         (bfin_handle_option): Update to new hook interface.
85         * config/cris/cris.c: Include opts.h.
86         (cris_handle_option): Update to new hook interface.
87         * config/frv/frv.c: Include opts.h.
88         (frv_handle_option): Update to new hook interface.
89         * config/i386/i386.c: Include opts.h.
90         (ix86_handle_option): Update to new hook interface.
91         (ix86_valid_target_attribute_inner_p): Generate option structure
92         for call to ix86_handle_option.
93         * config/i386/t-i386 (i386.o): Update dependencies.
94         * config/ia64/ia64.c: Include opts.h.
95         (ia64_handle_option): Update to new hook interface.
96         * config/ia64/t-ia64 (ia64.o): Update dependencies.
97         * config/iq2000/iq2000.c: Include opts.h.
98         (iq2000_handle_option): Update to new hook interface.
99         * config/m32c/m32c.c: Include opts.h.
100         (m32c_handle_option): Update to new hook interface.
101         * config/m32r/m32r.c: Include opts.h.
102         (m32r_handle_option): Update to new hook interface.
103         * config/m68k/m68k.c: Include opts.h.
104         (m68k_handle_option): Update to new hook interface.
105         * config/mep/mep.c: Include opts.h.
106         (mep_handle_option): Update to new hook interface.
107         * config/microblaze/microblaze.c: Include opts.h.
108         (microblaze_handle_option): Update to new hook interface.
109         * config/mips/mips.c: Include opts.h.
110         (mips_handle_option): Update to new hook interface.
111         * config/mn10300/mn10300.c: Include opts.h.
112         (mn10300_handle_option): Update to new hook interface.
113         * config/pa/pa.c: Include opts.h.
114         (pa_handle_option): Update to new hook interface.
115         * config/pdp11/pdp11.c: Include opts.h.
116         (pdp11_handle_option): Update to new hook interface.
117         * config/rs6000/rs6000.c: Include opts.h.
118         (rs6000_handle_option): Update to new hook interface.
119         * config/rs6000/t-rs6000 (rs6000.o): Update dependencies.
120         * config/rx/rx.c: Include opts.h.
121         (rx_handle_option): Update to new hook interface.
122         * config/s390/s390.c: Include opts.h.
123         (s390_handle_option): Update to new hook interface.
124         * config/score/score.c: Include opts.h.
125         (score_handle_option): Update to new hook interface.
126         * config/sh/sh.c: Include opts.h.
127         (sh_handle_option): Update to new hook interface.
128         * config/sparc/sparc.c: Include opts.h.
129         (sparc_handle_option): Update to new hook interface.
130         * config/v850/v850.c: Include opts.h.
131         (v850_handle_option): Update to new hook interface.
132
133 2011-03-22  Joseph Myers  <joseph@codesourcery.com>
134
135         * gcc.c (driver_unknown_option_callback): Only permit and save
136         unknown -Wno- options.
137         (driver_wrong_lang_callback): Save options directly instead of via
138         driver_unknown_option_callback.
139
140 2011-03-22  Eric Botcazou  <ebotcazou@adacore.com>
141
142         * combine.c (simplify_set): Try harder to find the best CC mode when
143         simplifying a nested COMPARE on the RHS.
144
145 2011-03-22  Joseph Myers  <joseph@codesourcery.com>
146
147         * config/alpha/gnu.h: Remove.
148         * config/arc: Remove directory.
149         * config/arm/netbsd.h: Remove.
150         * config/arm/t-pe: Remove.
151         * config/crx: Remove directory.
152         * config/i386/netbsd.h: Remove.
153         * config/m68hc11: Remove directory.
154         * config/m68k/uclinux-oldabi.h: Remove.
155         * config/mcore/mcore-pe.h: Remove.
156         * config/mcore/t-mcore-pe: Remove.
157         * config/netbsd-aout.h: Remove.
158         * config/rs6000/gnu.h: Remove.
159         * config/sh/sh-symbian.h: Remove.
160         * config/sh/symbian-base.c: Remove.
161         * config/sh/symbian-c.c: Remove.
162         * config/sh/symbian-cxx.c: Remove.
163         * config/sh/symbian-post.h: Remove.
164         * config/sh/symbian-pre.h: Remove.
165         * config/sh/t-symbian: Remove.
166         * config/svr3.h: Remove.
167         * config/vax/netbsd.h: Remove.
168         * config.build: Don't handle i[34567]86-*-pe.
169         * config.gcc: Remove handling of deprecations for most deprecated
170         targets.
171         (m68k-*-uclinuxoldabi*): Add to second deprecated list.
172         (alpha*-*-gnu*, arc-*-elf*, arm*-*-netbsd*, arm-*-pe*, crx-*-elf,
173         i[34567]86-*-netbsd*, i[34567]86-*-pe, m68hc11-*-*|m6811-*-*,
174         m68hc12-*-*|m6812-*-*, m68k-*-uclinuxoldabi*, mcore-*-pe*,
175         powerpc64-*-gnu*, powerpc-*-gnu-gnualtivec*, powerpc-*-gnu*,
176         sh-*-symbianelf* | sh[12346l]*-*-symbianelf*, vax-*-netbsd*):
177         Remove cases.
178         * config.host: Don't handle i[34567]86-*-pe.
179         * config/rs6000/linux64.h (LINK_OS_GNU_SPEC): Remove.
180         (ASM_SPEC32): Don't handle -mcall-gnu.
181         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Don't handle
182         -mcall-gnu.
183         (ASM_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC, CPP_SPEC,
184         STARTFILE_SPEC, LIB_SPEC, ENDFILE_SPEC): Don't handle -mcall-gnu.
185         (LIB_GNU_SPEC, STARTFILE_GNU_SPEC, ENDFILE_GNU_SPEC,
186         LINK_START_GNU_SPEC, LINK_OS_GNU_SPEC, CPP_OS_GNU_SPEC): Remove.
187         (SUBTARGET_EXTRA_SPECS): Remove *_gnu specs.
188         * config/sh/sh-protos.h, config/sh/sh.c: Remove all code
189         conditional on SYMBIAN.
190         * configure.ac: Don't handle powerpc*-*-gnu*.
191         * configure: Regenerate.
192         * doc/extend.texi (interrupt attribute): Don't mention CRX.
193         * doc/install-old.texi (m6811, m6812): Don't mention.
194         * doc/install.texi (arc-*-elf*): Don't document multilib option.
195         (arc-*-elf, CRX, m6811-elf, m6812-elf): Remove.
196         (m68k-uclinuxoldabi): Don't mention.
197         * doc/invoke.texi (ARC Options, CRX Options, M68hc1x Options):
198         Remove.
199         (-mcall-gnu): Remove.
200         * doc/md.texi (CRX Architecture, Motorola 68HC11 & 68HC12
201         families): Remove constraint documentation.
202
203 2011-03-22  Marius Strobl  <marius@FreeBSD.org>
204
205         * config/sparc/freebsd.h (CPP_CPU64_DEFAULT_SPEC): Replace with...
206         (FBSD_TARGET_CPU_CPP_BUILTINS): ...this.
207         (TARGET_GNU_TLS, TARGET_SUN_TLS): Define.
208
209 2011-03-21  Georg-Johann Lay  <avr@gjlay.de>
210
211         * config/avr/avr-protos.h (expand_epilogue): Change prototype
212         * config/avr/avr.h (struct machine_function): Add field sibcall_fails.
213         * config/avr/avr.c (init_cumulative_args)
214         (avr_function_arg_advance): Use it.
215         * config/avr/avr.c (expand_epilogue): Add bool parameter. Handle
216         sibcall epilogues.
217         (TARGET_FUNCTION_OK_FOR_SIBCALL): Define to...
218         (avr_function_ok_for_sibcall): ...this new function.
219         (avr_lookup_function_attribute1): New static Function.
220         (avr_naked_function_p, interrupt_function_p)
221         (signal_function_p, avr_OS_task_function_p)
222         (avr_OS_main_function_p): Use it.
223         * config/avr/avr.md ("sibcall", "sibcall_value")
224         ("sibcall_epilogue"): New expander.
225         ("*call_insn", "*call_value_insn"): New insn.
226         ("call_insn", "call_value_insn"): Remove
227         ("call", "call_value", "epilogue"): Change expander to handle
228         sibling calls.
229
230 2011-03-21  Nick Clifton  <nickc@redhat.com>
231
232         * doc/invoke.texi (Overall Options): Move closing brace to end of
233         options list.
234         (Optimization Options): Add missing @gol.
235         (Directory Options): Likewise.
236         (i386 and x86-64 Options): Likewise.
237         (RS6000 and PowerPC Options): Likewise.
238         (i386 and x86-64 Windows Options): Likewise.
239         (V850 Options): Add text missing from descriptions.
240
241 2011-03-22  Richard Henderson  <rth@redhat.com>
242
243         * config/avr/avr.c (TARGET_EXCEPT_UNWIND_INFO): New.
244         (avr_incoming_return_addr_rtx): New.
245         (emit_push_byte): New.
246         (expand_prologue): Use it.  Remove incorrect dwarf annotation for
247         SREG, RAMPZ, zero register.  Push frame pointer by bytes.  Add dwarf
248         annotation for __prologue_saves__.  Fixup dwarf annotation for CFA.
249         (emit_pop_byte): New.
250         (expand_epilogue): Use it.  Pop frame pointer by bytes.
251         * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Remove.
252         (INCOMING_RETURN_ADDR_RTX): New.
253         (INCOMING_FRAME_SP_OFFSET): New.
254         (ARG_POINTER_CFA_OFFSET): New.
255         * config/avr/avr.md (*pushqi): Fix mode of auto-inc.
256         (*pushhi, *pushsi, *pushsf, popqi): Likewise.
257         (pophi): Remove.
258
259         * dwarf2out.c (dwarf2out_frame_debug_expr) [rule 11]: Handle post_dec.
260
261 2011-03-22  Nathan Froyd  <froydnj@codesourcery.com>
262
263         * tree.c (build_call_1): New function.
264         (build_call_valist, build_call_array_loc, build_call_vec): Call it.
265
266 2011-03-22  Richard Guenther  <rguenther@suse.de>
267
268         PR tree-optimization/48228
269         * tree-vrp.c (vrp_visit_phi_node): Do not stop propagating
270         for single-arg PHIs.
271
272 2011-03-22  Andrey Belevantsev  <abel@ispras.ru>
273
274         PR rtl-optimization/48143
275         * config/i386/sse.md (*sse2_cvtpd2dq): Add athlon_decode attribute.
276         (*sse2_cvttpd2dq, sse2_cvtss2sd, *sse2_cvtpd2ps,
277         sse2_cvtps2pd): Likewise.
278
279 2011-03-22  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
280
281         * recog.c (canonicalize_change_group): Use validate_unshare_change.
282
283 2011-03-22  Richard Guenther  <rguenther@suse.de>
284
285         * gimple.c (gimple_rhs_class_table): POLYNOMIAL_CHREC is not
286         a valid RHS.  Make DOT_PROD_EXPR and REALIGN_LOAD_EXPR ternary.
287         * tree-cfg.c (verify_gimple_assign_ternary): Allow DOT_PROD_EXPR
288         and REALIGN_LOAD_EXPR.
289         (verify_gimple_assign_single): Do not allow POLYNOMIAL_CHREC,
290         DOT_PROD_EXPR or REALIGN_LOAD_EXPR.
291         * expr.c (expand_expr_real_1): Move REALIGN_LOAD_EXPR and
292         DOT_PROD_EXPR case ...
293         (expand_expr_real_2): ... here.
294         * gimple-pretty-print.c (dump_ternary_rhs): Handle DOT_PROD_EXPR
295         and REALIGN_LOAD_EXPR.
296         * tree-data-ref.c (split_constant_offset): Bail out for all CHRECs.
297         * tree-vect-loop.c (vect_model_reduction_cost): Handle ternaries.
298         (vect_create_epilog_for_reduction): Likewise.
299         (vectorizable_reduction): Likewise.
300         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Adjust.
301         * tree-vect-stmts.c (vectorizable_load): Likewise.
302
303 2011-03-22  Eric Botcazou  <ebotcazou@adacore.com>
304
305         * gimplify.c (gimplify_cond_expr): Gimplify COMPOUND_EXPR conditions.
306
307 2011-03-22  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
308
309         * config/s390/s390.c (s390_delegitimize_address): Fix offset
310         handling for PLTOFF/GOTOFF.
311
312 2011-03-22  Nick Clifton  <nickc@redhat.com>
313
314         * config/i386/cygming.h (SUBTARGET_OVERRIDE_OPTIONS): Remove
315         trailing backslash from the end of the macro definition.
316
317 2011-03-22  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
318
319         * config/s390/s390.c (s390_delegitimize_address): Handle PLTOFF
320         and PLT unspecs.
321
322 2011-03-21  Richard Sandiford  <richard.sandiford@linaro.org>
323
324         * expr.h (prepare_operand): Move to...
325         * optabs.h (prepare_operand): ...here and change the insn code
326         parameter from "int" to "enum insn_code".
327         (insn_operand_matches): Declare.
328         * expr.c (init_expr_target): Use insn_operand_matches.
329         (compress_float_constant): Likewise.
330         * function.c (safe_insn_predicate, assign_parm_setup_reg): Likewise.
331         * optabs.c (can_compare_p, prepare_cmp_insn): Likewise.
332         (emit_cmp_and_jump_insn_1, gen_add2_insn, gen_add3_insn): Likewise.
333         (have_add2_insn, gen_sub2_insn, gen_sub3_insn, have_sub2_insn): Likewise.
334         (gen_cond_trap): Likewise.
335         (prepare_operand): Likewise.  Change icode to an insn_code.
336         (insn_operand_matches): New function.
337         * reload.c (find_reloads_address_1): Use insn_operand_matches.
338         * reload1.c (gen_reload): Likewise.
339         * targhooks.c (default_secondary_reload): Likewise.
340
341 2011-03-21  Uros Bizjak  <ubizjak@gmail.com>
342
343         * config/alpha/alpha.md (unspec): New define_c_enum.
344         (unspecv): Ditto.
345
346 2011-03-21  Uros Bizjak  <ubizjak@gmail.com>
347
348         PR debug/48214
349         * config/alpha/alpha.c (alpha_pad_noreturn): Do not emit an unop
350         between a call and its CALL_ARG_LOCATION note.
351
352 2011-03-21  Eric Botcazou  <ebotcazou@adacore.com>
353
354         * gimplify.c (gimplify_vla_decl): Set TREE_THIS_NOTRAP flag.
355
356 2011-03-21  Jakub Jelinek  <jakub@redhat.com>
357
358         PR c/42544
359         PR c/48197
360         * c-common.c (shorten_compare): If primopN is first sign-extended
361         to opN and then zero-extended to result type, set primopN to opN.
362
363 2011-03-21  Daniel Jacobowitz  <dan@codesourcery.com>
364
365         * config/arm/unwind-arm.c (__gnu_unwind_pr_common): Correct test
366         for barrier handlers.
367
368 2011-03-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
369
370         * config/rs6000/rs6000.md (UNSPEC_*, UNSPECV_*): Redefine all
371         UNSPEC constants to be in the unspec enumeration, and redefine
372         all UNSPECV constants to be in the unspecv enumeration, so that
373         dumps print which unspec/unspec_volatile this is.
374         * config/rs6000/vector.md (UNSPEC_*): Ditto.
375         * config/rs6000/paired.md (UNSPEC_*): Ditto.
376         * config/rs6000/vsx.md (UNSPEC_*): Ditto.
377         * config/rs6000/altivec.md (UNSPEC_*, UNSPECV_*): Ditto.
378         * config/rs6000/dfp.md (UNSPEC_*): Ditto.
379
380         * config/rs6000/rs6000.md (UNSPECV_ISYNC, UNSPECV_LWSYNC): Rename
381         UNSPEC_ISYNC and UNSPEC_HWSYNC to UNSPECV_ISYNC and
382         UNSPECV_LWSYNC, since these are used as unspec_volatile.
383         * config/rs6000/sync.md (isync, lwsync): Ditto.
384
385 2011-03-21  Richard Guenther  <rguenther@suse.de>
386
387         * params.def (lto-min-partition): Fix typo.
388
389 2011-03-21  Richard Guenther  <rguenther@suse.de>
390
391         PR c/47939
392         * c-decl.c (grokdeclarator): Drop to the main variant only
393         for array types.  Drop flag_gen_aux_info check.
394
395 2011-03-21  Richard Guenther  <rguenther@suse.de>
396
397         PR translation/47911
398         * params.def (lto-partitions): Fix typo.
399         (lto-min-partition): Fix wording.
400
401 2011-03-21  Andreas Tobler  <andreast@fgznet.ch>
402
403         * config/rs6000/t-freebsd: Remove duplication from file.
404
405 2011-03-21  Richard Guenther  <rguenther@suse.de>
406
407         PR middle-end/47661
408         * gimple.c (is_gimple_condexpr): Use tree_could_throw_p.
409
410 2011-03-21  Richard Guenther  <rguenther@suse.de>
411
412         PR lto/48210
413         * params.def (lto-partitions): Require at least 1 partition.
414
415 2011-03-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
416
417         * gthr-solaris.h: Remove.
418         * gthr.h (_SOLARIS_THREADS): Don't include gthr-solaris.h, remove.
419         * config/sol2.h (CPP_SUBTARGET_SPEC): Remove -threads support.
420         (LIB_SPEC): Likewise.
421         * config/sol2.opt (threads): Remove.
422         * config.gcc (i[34567]86-*-solaris2*): Remove solaris threads support.
423         (sparc*-*-solaris2*): Likewise.
424         * configure.ac (enable_threads): Enable solaris support.
425         * configure: Regenerate.
426         * doc/invoke.texi (Option Summary, Solaris 2 Options): Remove -threads.
427         * doc/install.texi (Configuration, --enable-threads=lib): Remove
428         solaris.
429
430 2011-03-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
431
432         * config.gcc: Obsolete *-*-solaris2.8*.
433         * doc/install.texi (Specific, *-*-solaris2*): Document it.
434
435 2011-03-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
436
437         PR bootstrap/48135
438         * doc/install.texi (Prerequisites, Perl): Remove Glob.pm
439         reference.  Solaris 8 perl works.
440
441 2011-03-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
442
443         PR bootstrap/48135
444         * doc/install.texi (Prerequisites): Move jar etc. up.
445         Explain support library version requirements.
446
447 2011-03-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
448
449         PR bootstrap/48135
450         * doc/install.texi (Prerequisites): Move Perl to build
451         requirements.  Always necessary on Solaris 2 with Sun ld.
452
453 2011-03-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
454
455         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update for
456         binutils 2.21.
457         (Specific, i?86-*-solaris2.[89]): Likewise.
458         (Specific, i?86-*-solaris2.10): Likewise.
459         (Specific, mips-sgi-irix6): Likewise.
460         (Specific, *-*-solaris2*): Remove Sun Studio download URL.
461         Update for binutils 2.21.
462
463 2011-03-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
464
465         * configure.ac (gcc_cv_lto_plugin): Fix typo.
466         Allow -fuse-linker-plugin for non-default plugin linker.
467         * configure: Regenerate.
468
469 2011-03-21  Nicola Pero  <nicola.pero@meta-innovation.com>
470
471         PR bootstrap/48167
472         * gengtype.c (files_rules): Added rule for cp/parser.h.
473
474 2011-03-21  Jakub Jelinek  <jakub@redhat.com>
475
476         PR target/48213
477         * config/s390/s390.c (s390_delegitimize_address): Don't call
478         lowpart_subreg if orig_x has BLKmode.
479
480 2011-03-21  Kai Tietz  <ktietz@redhat.com>
481
482         PR target/12171
483         * doc/plugins.texi: Adjust documentation for plugin register_callback.
484         * tree.h (attribute_spec): Add new member affects_type_identity.
485         * attribs.c (empty_attribute_table): Adjust attribute_spec
486         initializers.
487         * config/alpha/alpha.c: Likewise.
488         * config/arc/arc.c: Likewise.
489         * config/arm/arm.c: Likewise.
490         * config/avr/avr.c: Likewise.
491         * config/bfin/bfin.c: Likewise.
492         * config/crx/crx.c: Likewise.
493         * config/darwin.h: Likewise.
494         * config/h8300/h8300.c: Likewise.
495         * config/i386/cygming.h: Likewise.
496         * config/i386/i386.c: Likewise.
497         * config/ia64/ia64.c: Likewise.
498         * config/m32c/m32c.c: Likewise.
499         * config/m32r/m32r.c: Likewise.
500         * config/m68hc11/m68hc11.c: Likewise.
501         * config/m68k/m68k.c: Likewise.
502         * config/mcore/mcore.c: Likewise.
503         * config/mep/mep.c: Likewise.
504         * config/microblaze/microblaze.c: Likewise.
505         * config/mips/mips.c: Likewise.
506         * config/rs6000/rs6000.c: Likewise.
507         * config/rx/rx.c: Likewise.
508         * config/sh/sh.c: Likewise.
509         * config/sol2.h: Likewise.
510         * config/sparc/sparc.c: Likewise.
511         * config/spu/spu.c: Likewise.
512         * config/stormy16/stormy16.c: Likewise.
513         * config/v850/v850.c: Likewise.
514
515 2011-03-21  Chung-Lin Tang  <cltang@codesourcery.com>
516
517         * simplify-rtx.c (simplify_binary_operation_1): Handle
518         (xor (and A B) C) case when B and C are both constants.
519
520 2011-03-21  Mingjie Xing  <mingjie.xing@gmail.com>
521
522         * tree-dfa.c (add_referenced_var): Fix typo in comment.
523
524 2011-03-20  Eric Botcazou  <ebotcazou@adacore.com>
525
526         PR bootstrap/48168
527         * config/sparc/sparc.c (sparc_delegitimize_address): Add new pattern.
528
529 2011-03-20  Jakub Jelinek  <jakub@redhat.com>
530
531         PR rtl-optimization/48156
532         * df-core.c (df_get_bb_dirty): Use df_lr if df_live is NULL,
533         assume df and df_lr are not NULL.
534
535 2011-03-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
536
537         PR debug/48023
538         * config/arm/arm.c (create_fix_barrier): Do not emit a minipool
539         between a call and its CALL_ARG_LOCATION note.
540
541 2011-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
542
543         PR debug/48178
544         * config/sh/sh.c (find_barrier): Don't emit a constant pool
545         between a call and its corresponding CALL_ARG_LOCATION note.
546
547 2011-03-19  Anatoly Sokolov  <aesok@post.ru>
548
549         * cfgcleanup.c (mark_effect): Use bitmap_set_range/bitmap_clear_range
550         instead of loop. Use HARD_REGISTER_NUM_P predicate.
551         * haifa-sched.c (setup_ref_regs): Ditto.
552         * caller-save.c (add_used_regs_1): Ditto.
553         * dse.c (look_for_hardregs): Ditto.
554         * df-problems.c (df_simulate_one_insn_forwards): Ditto.
555         * sched-rgn.c (check_live_1): Ditto.
556
557 2011-03-18  Joseph Myers  <joseph@codesourcery.com>
558
559         * c-decl.c (diagnose_mismatched_decls): Give an error for
560         redefining a typedef with variably modified type.
561
562 2011-03-18  Joseph Myers  <joseph@codesourcery.com>
563
564         * c-decl.c (grokfield): Don't allow typedefs for structures or
565         unions with no tag by default.
566         * doc/extend.texi (Unnamed Fields): Update.
567
568 2011-03-18  Uros Bizjak  <ubizjak@gmail.com>
569
570         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
571         Rewrite using indirect functions.
572         (lwp_slwpcb): Ditto.
573         * config/i386/sse.md (avx_vextractf128<mode>): Ditto.
574         (avx_vinsertf128<mode>): Ditto.
575
576 2011-03-18  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
577
578         * config/s390/s390.c (s390_delegitimize_address): Handle GOTOFF
579         unspecs.
580
581 2011-03-18  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
582
583         * config/s390/s390.c (s390_chunkify_start): Prevent literal pool
584         splitting between a call and its corresponding CALL_ARG_LOCATION note.
585
586 2011-03-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
587
588         PR rtl-optimization/48170
589         * gcse.c (hoist_code): Remove bogus asserts.
590
591 2011-03-18  Georg-Johann Lay  <avr@gjlay.de>
592
593         * ira-color.c (assign_hard_reg): Honor LOCAL_REGNO in cost
594         computation for prologue/epilogue.
595
596 2011-03-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
597
598         * Makefile.in (check-consistency): Remove.
599
600 2011-03-18  Jakub Jelinek  <jakub@redhat.com>
601
602         PR debug/48176
603         * dwarf2out.c (dwarf2out_finish): Call output_aranges even when
604         arange_table_in_use is 0, but either text_section_used or
605         cold_text_section_used is true.  Don't call it if
606         !info_section_emitted.
607
608 2011-03-18  Anatoly Sokolov  <aesok@post.ru>
609
610         * config/avr/avr.h (RET_REGISTER, LIBCALL_VALUE,
611         FUNCTION_VALUE_REGNO_P): Remove.
612         * config/avr/avr-protos.h (avr_ret_register, avr_libcall_value):
613         Remove.
614         * config/avr/avr.c (avr_ret_register): Make static inline.
615         (avr_function_value_regno_p): New function.
616         (avr_libcall_value): Make static. Add 'func' argument.
617         (avr_function_value): Make static. Rename 'func' argument to
618         'fn_decl_or_type', forward it to avr_libcall_value. Call
619         avr_ret_register function instead of RET_REGISTER macro.
620         (TARGET_LIBCALL_VALUE, TARGET_FUNCTION_VALUE_REGNO_P): Define.
621
622 2011-03-18  Jason Merrill  <jason@redhat.com>
623
624         PR c++/23372
625         * gimplify.c (gimplify_arg): Strip redundant TARGET_EXPR.
626
627 2011-03-18  Richard Guenther  <rguenther@suse.de>
628
629         * doc/install.texi (--enable-gold): Remove.
630         (--with-plugin-ld): Document.
631         * doc/invoke.texi (-fuse-linker-plugin): Clarify.
632
633 2011-03-18  Andrew Pinski  <pinskia@gmail.com>
634
635         PR middle-end/47790
636         * expr.c (optimize_bitfield_assignment_op): Revamp to work
637         again after expansion changes.
638
639 2011-03-18  Chung-Lin Tang  <cltang@codesourcery.com>
640
641         * combine.c (try_combine): Do simplification only call of
642         subst() on i2 even when i1 is present. Update comments.
643
644 2011-03-18  Kaz Kojima  <kkojima@gcc.gnu.org>
645
646         * config/sh/sh.c (sh_delegitimize_address): Handle UNSPEC_SYMOFF
647         and UNSPEC_PCREL_SYMOFF.
648
649 2011-03-18  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
650
651         * config/s390/s390.md: Use define_c_enum for the unspec constant
652         definitions.
653
654 2011-03-18  Richard Henderson  <rth@redhat.com>
655             Jakub Jelinek  <jakub@redhat.com>
656
657         PR bootstrap/48161
658         * expr.c (expand_expr_addr_expr_1): Use simplify_gen_binary
659         instead of gen_rtx_PLUS if EXPAND_SUM or EXPAND_INITIALIZER.
660
661 2011-03-17  H.J. Lu  <hongjiu.lu@intel.com>
662
663         PR middle-end/47725
664         * combine.c (cant_combine_insn_p): Don't check zero/sign
665         extended hard registers.
666
667 2011-03-17  H.J. Lu  <hongjiu.lu@intel.com>
668
669         PR middle-end/47725
670         * combine.c (cant_combine_insn_p): Check zero/sign extended
671         hard registers.
672
673 2011-03-17  Anatoly Sokolov  <aesok@post.ru>
674
675         * config/v850/v850.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
676         * config/v850/v850-protos.h (v850_output_addr_const_extra): Remove.
677         * config/v850/v850.c (v850_output_addr_const_extra): Make static.
678         Change return type to bool.
679         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
680
681 2011-03-17  Jakub Jelinek  <jakub@redhat.com>
682
683         PR debug/48163
684         * var-tracking.c (prepare_call_arguments): If CALL target
685         is a non-SYMBOL_REF CONSTANT_P, just add that into the list as
686         pc instead of looking it up using cselib_lookup and use
687         Pmode for it if x has VOIDmode.
688         * dwarf2out.c (gen_subprogram_die): If also both first and
689         second CONCAT arguments are VOIDmode, use mode of CONCAT itself.
690
691         PR debug/48163
692         * function.c (assign_parms): For data.passed_pointer parms
693         use MEM of data.entry_parm instead of data.entry_parm itself
694         as DECL_INCOMING_RTL.
695         * dwarf2out.c (rtl_for_decl_location): Use DECL_INCOMING_RTL
696         also when passed and declared mode is the same, DECL_RTL
697         is a MEM with pseudo as address and DECL_INCOMING_RTL is
698         a MEM too.
699
700 2011-03-16  Jeff Law  <law@redhat.com>
701
702         PR rtl-optimization/37273
703         * ira-costs.c (scan_one_insn): Detect constants living in memory and
704         handle them like argument loads from stack slots.  Do not double
705         count memory for memory constants and argument loads from stack slots.
706
707 2011-03-17  H.J. Lu  <hongjiu.lu@intel.com>
708
709         PR debug/48160
710         * var-tracking.c (prepare_call_arguments): Check SUBREG.
711
712 2011-03-17  H.J. Lu  <hongjiu.lu@intel.com>
713
714         PR target/48171
715         * config/i386/i386.opt: Add Save to -mavx and -mfma.
716
717 2011-03-17  Jakub Jelinek  <jakub@redhat.com>
718
719         PR bootstrap/48153
720         * dwarf2out.c (mem_loc_descriptor) <case ENTRY_VALUE>: Return NULL
721         if dwarf_strict.
722         (gen_subprogram_die): Don't add call_site DIEs if dwarf_strict.
723         Clear call_arg_locations and call_arg_loc_last always.
724
725         PR middle-end/48152
726         * var-tracking.c (prepare_call_arguments): If argument needs to be
727         passed by reference, adjust argtype and mode.
728
729 2011-03-17  Richard Guenther  <rguenther@suse.de>
730
731         PR middle-end/48134
732         * tree-ssa.c (insert_debug_temp_for_var_def): If we propagated
733         a value make sure to fold the statement.
734
735 2011-03-17  Chung-Lin Tang  <cltang@codesourcery.com>
736
737         PR target/43872
738         * config/arm/arm.c (arm_get_frame_offsets): Adjust early
739         return condition with !cfun->calls_alloca.
740
741 2011-03-17  Richard Guenther  <rguenther@suse.de>
742
743         PR bootstrap/48148
744         * lto-cgraph.c (input_overwrite_node): Clear the abstract
745         origin for decls in other ltrans units.
746         (input_varpool_node): Likewise.
747
748 2011-03-17  Richard Guenther  <rguenther@suse.de>
749
750         PR middle-end/48165
751         * tree-object-size.c (compute_object_offset): Properly return
752         the offset operand of MEM_REFs as sizetype.
753
754 2011-03-17  Jakub Jelinek  <jakub@redhat.com>
755
756         PR rtl-optimization/48141
757         * params.def (PARAM_MAX_DSE_ACTIVE_LOCAL_STORES): New.
758         * dse.c: Include params.h.
759         (active_local_stores_len): New variable.
760         (add_wild_read, dse_step1): Clear it when setting active_local_stores
761         to NULL.
762         (record_store, check_mem_read_rtx): Decrease it when removing
763         from the chain.
764         (scan_insn): Likewise.  Increase it when adding to chain, if it
765         reaches PARAM_MAX_DSE_ACTIVE_LOCAL_STORES limit, set to 1 and
766         set active_local_stores to NULL before the addition.
767         * Makefile.in (dse.o): Depend on $(PARAMS_H).
768
769         PR rtl-optimization/48141
770         * dse.c (record_store): If no positions are needed in an insn
771         that cannot be deleted, at least unchain it from active_local_stores.
772
773 2011-03-16  Dodji Seketeli  <dodji@redhat.com>
774
775         PR debug/47510
776         * dwarf2out.c (strip_naming_typedef): Factorize out of ...
777         (lookup_type_die_strip_naming_typedef): ... here.
778         (get_context_die): Use it.
779         (gen_typedef_die): Add a DW_AT_{,MIPS_}linkage_name attribute to
780         the anonymous struct named by the naming typedef.
781
782 2011-03-16  H.J. Lu  <hongjiu.lu@intel.com>
783
784         PR target/48154
785         * config/i386/i386.c (ix86_builtin_vectorized_function): Check
786         TARGET_ROUND for BUILT_IN_{FLOOR,CEIL,TRUNC,RINT}{,F} builtins.
787
788 2011-03-16  Jeff Law  <law@redhat.com>
789
790         * tree-vrp.c (identify_jump_threads): Slightly simplify type
791         check for operands of conditional.  Allow type to be a pointer.
792
793 2011-03-16  Richard Guenther  <rguenther@suse.de>
794
795         PR tree-optimization/48149
796         * fold-const.c (fold_binary_loc): Fold
797         COMPLEX_EXPR <REALPART_EXPR <x>, IMAGPART_EXPR <x>>.
798
799 2011-03-16  Richard Guenther  <rguenther@suse.de>
800
801         PR tree-optimization/26134
802         * tree-ssa.c (maybe_rewrite_mem_ref_base): Handle rewriting
803         complex part accesses to REALPART_EXPR and IMAGPART_EXPR.
804         (non_rewritable_mem_ref_base): Handle complex type component
805         accesses, constrain offsets for vector and complex extracts
806         more properly.
807
808 2011-03-16  Richard Guenther  <rguenther@suse.de>
809
810         PR tree-optimization/48146
811         * tree-ssa-sink.c (sink_code_in_bb): Manually update virtual
812         operands avoiding the need for renaming.
813
814 2011-03-16  Richard Guenther  <rguenther@suse.de>
815
816         * gimple-fold.c (maybe_fold_reference): Open-code relevant
817         constant folding.  Move MEM_REF canonicalization first.
818         Rely on fold_const_aggregate_ref for initializer folding.
819         * tree-ssa-ccp.c (ccp_fold): Handle constant vector extracts.
820
821 2011-03-16  Jakub Jelinek  <jakub@redhat.com>
822
823         PR middle-end/48136
824         * fold-const.c (fold_binary_loc) <case EQ_EXPR, NE_EXPR>: Make sure
825         arg0/arg1 or their arguments are always fold converted to matching
826         types.
827
828         * var-tracking.c (prepare_call_arguments): Add ATTRIBUTE_UNUSED
829         to nargs.
830
831 2011-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
832
833         PR lto/46944
834         * configure.ac (gcc_cv_gld_major_version, gcc_cv_gld_minor):
835         Handle in-tree gold.
836         (ld_vers): Extract binutils version for gold.
837         (gcc_cv_ld_hidden): Handle gold here.
838         (gcc_cv_lto_plugin): Determine level of linker plugin support.
839         * configure: Regenerate.
840         * config.in: Regenerate.
841         * gcc.c: Only use LTO plugin if HAVE_LTO_PLUGIN > 0, reject
842         -fuse-linker-plugin otherwise.
843         (LINK_PLUGIN_SPEC): Define.  Extract from LINK_COMMAND_SPEC.
844         (LINK_COMMAND_SPEC): Use it.
845         (main): Only look for LTOPLUGINSONAME if HAVE_LTO_PLUGIN > 0.
846
847 2011-03-16  Jakub Jelinek  <jakub@redhat.com>
848
849         * emit-rtl.c (try_split): Don't call copy_call_info debug hook.
850         * calls.c: Remove debug.h include.
851         (emit_call_1): Don't call virtual_call_token debug hook.
852         * dwarf2out.c (debug_dcall_section, debug_vcall_section,
853         dcall_entry, vcall_entry, dcall_table, vcall_table, vcall_insn,
854         vcall_insn_table, DEBUG_DCALL_SECTION, DEBUG_VCALL_SECTION,
855         size_of_dcall_table, output_dcall_table, size_of_vcall_table,
856         output_vcall_table, dwarf2out_direct_call, vcall_insn_table_hash,
857         vcall_insn_table_eq, store_vcall_insn, lookup_vcall_insn,
858         dwarf2out_virtual_call_token, dwarf2out_copy_call_info,
859         dwarf2out_virtual_call): Remove.
860         (dwarf2_debug_hooks): Remove direct_call, virtual_call_token,
861         copy_call_info and virtual_call hooks.
862         (dwarf2out_init): Don't initialize vcall_insn_table,
863         debug_dcall_section and debug_vcall_section.
864         (prune_unused_types): Don't mark nodes from dcall_table.
865         (dwarf2out_finish): Don't output dcall or vcall tables.
866         * final.c (final_scan_insn): Don't call direct_call or
867         virtual_call debug hooks.
868         * debug.h (struct gcc_debug_hooks): Remove direct_call,
869         virtual_call_token, copy_call_info and virtual_call hooks.
870         (debug_nothing_uid): Remove prototype.
871         * sdbout.c (sdb_debug_hooks): Remove direct_call, virtual_call_token,
872         copy_call_info and virtual_call hooks.
873         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
874         * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Likewise.
875         * debug.c (do_nothing_debug_hooks): Likewise.
876         (debug_nothing_uid): Remove.
877         * doc/invoke.texi (-fenable-icf-debug): Remove.
878         * common.opt (-fenable-icf-debug): Likewise.
879
880         * calls.c (emit_call_1): Set MEM_EXPR on call's MEM.
881         * var-tracking.c (prepare_call_arguments): Use MEM_EXPR on
882         call's MEM.  Handle functions returning aggregate through a hidden
883         first pointer.  For virtual calls add clobbered pc to call arguments
884         chain.
885         * dwarf2out.c (gen_subprogram_die): Emit
886         DW_AT_GNU_call_site_target_clobbered if DW_AT_GNU_call_site_target
887         can't be emitted.
888
889         PR debug/45882
890         * rtl.def (ENTRY_VALUE): Change format from "e" to "0".
891         * rtl.h (ENTRY_VALUE_EXP): Define.
892         * rtl.c (rtx_equal_p_cb, rtx_equal_p): Handle ENTRY_VALUE.
893         * cselib.c (rtx_equal_for_cselib_p, cselib_hash_rtx): Likewise.
894         * print-rtl.c (print_rtx): Likewise.
895         * gengtype.c (adjust_field_rtx_def): Likewise.
896         * var-tracking.c (vt_add_function_parameter): Adjust
897         gen_rtx_ENTRY_VALUE uses, use ENTRY_VALUE_EXP macro.
898         * dwarf2out.c (mem_loc_descriptor): Use ENTRY_VALUE_EXP macro.
899         * cfgexpand.c (expand_debug_expr): If a SSA_NAME without
900         partition is a default definition of a PARM_DECL, use ENTRY_VALUE
901         of its DECL_INCOMING_RTL if possible, or its DECL_RTL if set.
902
903         * final.c (final_scan_insn): Handle NOTE_INSN_CALL_ARG_LOCATION.
904         Call var_location debug hook even on CALL_INSNs.
905         (rest_of_clean_state): Don't print NOTE_INSN_CALL_ARG_LOCATION.
906         * rtl.def (ENTRY_VALUE): New.
907         * dwarf2out.c: Include cfglayout.h.
908         (dwarf_stack_op_name, size_of_loc_descr, output_loc_operands,
909         output_loc_operands_raw): Handle DW_OP_GNU_entry_value.
910         (struct call_arg_loc_node): New type.
911         (call_arg_locations, call_arg_loc_last, block_map, call_site_count,
912         tail_call_site_count): New variables.
913         (dwarf_tag_name): Handle DW_TAG_GNU_call_site and
914         DW_TAG_GNU_call_site_parameter.
915         (dwarf_attr_name): Handle DW_AT_GNU_call_site_value,
916         DW_AT_GNU_call_site_data_value, DW_AT_GNU_call_site_target,
917         DW_AT_GNU_call_site_target_clobbered, DW_AT_GNU_tail_call,
918         DW_AT_GNU_all_tail_call_sites, DW_AT_GNU_all_call_sites
919         and DW_AT_GNU_all_source_call_sites.
920         (mem_loc_descriptor): Handle ENTRY_VALUE.
921         (add_src_coords_attributes): Don't add enything if
922         DECL_SOURCE_LOCATION is UNKNOWN_LOCATION.
923         (dwarf2out_abstract_function): Save and clear call_arg_location,
924         call_site_count and tail_call_site_count around dwarf2out_decl call.
925         (gen_call_site_die): New function.
926         (gen_subprogram_die): Emit DW_TAG_GNU_call_site DIEs for call sites.
927         (gen_lexical_block_die, gen_inlined_subroutine_die): Update block_map.
928         (dwarf2out_function_decl): Clear call_arg_locations,
929         call_arg_loc_last, set call_site_count and tail_call_site_count
930         to -1 and free block_map.
931         (dwarf2out_var_location): Handle NOTE_INSN_CALL_ARG_LOCATION and
932         CALL_INSNs.  Add NOTE_DURING_CALL_P var location notes even when not
933         followed by any real instructions.
934         (dwarf2out_begin_function): Set call_site_count and
935         tail_call_site_count to 0.
936         (resolve_addr): If DW_AT_abstract_origin of DW_TAG_GNU_call_site
937         is dw_val_class_addr, attempt to look it up again, for DECL_EXTERNAL
938         attempt to force a DIE for it and worst case remove the attribute.
939         (resolve_one_addr): For TREE_CONSTANT_POOL_ADDRESS_P SYMBOL_REFs
940         check TREE_ASM_WRITTEN of DECL_INITIAL of the decl instead of
941         the decl itself.
942         * var-tracking.c: Include tm_p.h.
943         (vt_stack_adjustments): For calls call note_register_arguments.
944         (argument_reg_set): New variable.
945         (add_stores): For MO_VAL_SET of non-tracked regs from argument_reg_set
946         ensure the VALUE is resolved.
947         (call_arguments): New variable.
948         (prepare_call_arguments): New function.
949         (add_with_sets): For MO_CALL set u.loc from call_arguments and clear it.
950         (struct expand_loc_callback_data): Add ignore_cur_loc field.
951         (vt_expand_loc_callback): If ignore_cur_loc, don't look at cur_loc and
952         always use the best expression.
953         (vt_expand_loc): Add ignore_cur_loc argument.
954         (vt_expand_loc_dummy): Clear ignore_cur_loc field.
955         (emit_note_insn_var_location): Adjust vt_expand_loc callers.
956         (emit_notes_in_bb) <case MO_CALL>: Add NOTE_INSN_CALL_ARG_LOCATION
957         note for all calls.
958         (vt_add_function_parameter): Use cselib_lookup_from_insn.
959         If dv is a VALUE, enter into hash table also ENTRY_VALUE for the
960         argument.  Don't call cselib_preserve_only_values and
961         cselib_reset_table.
962         (note_register_arguments): New function.
963         (vt_initialize): Compute argument_reg_set.  Call
964         vt_add_function_parameters before processing basic blocks instead of
965         afterwards.  For calls call prepare_call_arguments before calling
966         cselib_process_insn.
967         * print-rtl.c (print_rtx): Handle NOTE_INSN_CALL_ARG_LOCATION.
968         * Makefile.in (dwarf2out.o): Depend on $(CFGLAYOUT_H).
969         (var-tracking.o): Depend on $(TM_P_H).
970         * cfglayout.h (insn_scope): New prototype.
971         * gengtype.c (adjust_field_rtx_def): Handle NOTE_INSN_CALL_ARG_LOCATION.
972         * cfglayout.c (insn_scope): No longer static.
973         * insn-notes.def (CALL_ARG_LOCATION): New.
974         * calls.c (expand_call, emit_library_call_value_1): Put USEs for
975         MEM arguments into CALL_INSN_FUNCTION_USAGE unconditionally.
976         * integrate.c (set_block_origin_self, set_block_abstract_flags): Do
977         nothing for DECL_EXTERNAL BLOCK_VARS.
978
979 2011-03-16  Alan Modra  <amodra@gmail.com>
980
981         PR target/45844
982         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
983         create invalid offset address for vsx splat insn.
984         * config/rs6000/predicates.md (splat_input_operand): New.
985         * config/rs6000/vsx.md (vsx_splat_*): Use it.
986
987 2011-03-15  Xinliang David Li  <davidxl@google.com>
988
989         PR c/47837
990         * tree-ssa-uninit.c (pred_chain_length_cmp): New function.
991         (normalize_preds): New function.
992         (is_use_properly_guarded): Normalize def predicates.
993
994 2011-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
995
996         PR target/46788
997         * config/arm/arm.md (arm_movtas_ze): Use 'L' instead of 'c'
998         in the output template.
999
1000 2011-03-15  Richard Guenther  <rguenther@suse.de>
1001
1002         PR middle-end/47650
1003         * tree-pretty-print.c (dump_function_declaration): Properly
1004         dump unprototyped and varargs function types.
1005
1006 2011-03-15  Richard Guenther  <rguenther@suse.de>
1007
1008         PR tree-optimization/13954
1009         * tree-ssa-sccvn.c (vn_reference_lookup_3): Look through memcpy
1010         and friends.
1011
1012 2011-03-15  Richard Guenther  <rguenther@suse.de>
1013
1014         PR tree-optimization/48037
1015         * tree-ssa.c (maybe_rewrite_mem_ref_base): Rewrite vector
1016         selects into BIT_FIELD_REFs.
1017         (non_rewritable_mem_ref_base): Check if a MEM_REF is a
1018         vector select.
1019
1020 2011-03-15  Jakub Jelinek  <jakub@redhat.com>
1021
1022         PR tree-optimization/48129
1023         * builtins.c (fold_builtin_snprintf): Convert to type of
1024         built_in_decls[BUILT_IN_SNPRINTF] retval instead of
1025         implicit_built_in_decls[BUILT_IN_SNPRINTF] retval.
1026
1027 2011-03-15  Richard Guenther  <rguenther@suse.de>
1028
1029         PR tree-optimization/41490
1030         * tree-ssa-dce.c (propagate_necessity): Handle returns without
1031         value but with VUSE.
1032         * tree-ssa-operands.c (parse_ssa_operands): Add a VUSE on all
1033         return statements.
1034         * tree-ssa-sink.c (statement_sink_location): Fix store sinking.
1035         * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Handle virtual PHIs.
1036         * tree-tailcall.c (find_tail_calls): Ignore returns.
1037
1038 2011-03-15  Richard Guenther  <rguenther@suse.de>
1039
1040         PR middle-end/48031
1041         * fold-const.c (fold_indirect_ref_1): Do not create new variable-sized
1042         or variable-indexed array accesses when in gimple form.
1043
1044 2011-03-15  Richard Guenther  <rguenther@suse.de>
1045
1046         * config/i386/i386.c (ix86_emit_swdivsf): Implement more efficiently.
1047
1048 2011-03-15  Alan Modra  <amodra@gmail.com>
1049
1050         PR target/48032
1051         * config/rs6000/rs6000.c (offsettable_ok_by_alignment): Do not
1052         presume symbol_refs without a symbol_ref_decl are suitably
1053         aligned, nor other trees we may see here.  Handle anchor symbols.
1054         (legitimate_constant_pool_address_p): Comment.  Add mode param.
1055         Check cmodel=medium addresses.  Adjust all calls.
1056         (rs6000_emit_move): Don't call offsettable_ok_by_alignment on
1057         creating cmodel=medium optimized access to locals.
1058         * config/rs6000/constraints.md (R): Pass QImode to
1059         legitimate_constant_pool_address_p.
1060         * config/rs6000/predicates.md (input_operand): Pass mode to
1061         legitimate_constant_pool_address_p.
1062         * config/rs6000/rs6000-protos.h (legitimate_constant_pool_address_p):
1063         Update prototype.
1064
1065 2011-03-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1066
1067         PR target/48053
1068         * config/rs6000/rs6000.md (movdi split for 32-bit): Don't split up
1069         64-bit constants being loaded into registers other than GPRs such
1070         as loading 0 into a VSX register.
1071
1072 2011-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1073
1074         * config/sol2.c (solaris_assemble_visibility): Remove obsolete URLs.
1075
1076 2011-03-14  Jakub Jelinek  <jakub@redhat.com>
1077
1078         PR middle-end/47917
1079         * builtins.c (fold_builtin_snprintf): New function.
1080         (fold_builtin_3): Call it for BUILT_IN_SNPRINTF.
1081         (fold_builtin_4): Likewise.
1082
1083         PR middle-end/38878
1084         * fold-const.c (fold_binary_loc) <case EQ_EXPR, NE_EXPR>: Add
1085         STRIP_NOPS on arg0 and arg1.  When optimizing X +- C == X
1086         and C - X == X also strip nops from +/-/p+ operand.
1087         When optimizing -X == C, fold C to arg0's type.
1088
1089         PR debug/47946
1090         * dwarf2out.c (add_bit_offset_attribute): If bit_offset is negative,
1091         emit it as add_AT_int instead of add_AT_unsigned.
1092
1093 2011-03-14  Tom Tromey  <tromey@redhat.com>
1094
1095         * unwind-dw2.c: Include sys/sdt.h if it exists.
1096         (_Unwind_DebugHook): Use STAP_PROBE2.
1097         * config.in, configure: Rebuild.
1098         * configure.ac: Check for sys/sdt.h.
1099
1100 2011-03-14  Uros Bizjak  <ubizjak@gmail.com>
1101
1102         * config/i386/i386.md (ROUND_FLOOR): New constant.
1103         (ROUND_CEIL): Ditto.
1104         (ROUND_TRUNC): Ditto.
1105         (ROUND_MXCSR): Ditto.
1106         (ROUND_NO_EXC): Ditto.
1107         (rint<mode>2): Use new defines instead of numerical constants.
1108         (floor<mode>2): Ditto.
1109         (ceil<mode>2): Ditto.
1110         (btrunc<mode>2): Ditto.
1111         * config/i386/i386-builtin-types.def: Define ROUND function type
1112         aliases.
1113         * config/i386/i386.c (enum ix86_builtins): Add
1114         IX86_BUILTIN_{FLOOR,CEIL,TRUNC,RINT}{PS,PD}{,256} defines.
1115         (struct builtin_description): Add
1116         __builtin_ia32_{floor,ceil,trunc,rint}{pd,ps}{,256} descriptions.
1117         (ix86_expand_sse_round): New static function.
1118         (ix86_expand_args_builtin): Call ix86_expand_sse_round for ROUND
1119         function types.
1120         (ix86_builtin_vectorized_function): Handle
1121         BUILT_IN_{FLOOR,CEIL,TRUNC,RINT}{,F} builtins.
1122
1123 2011-03-14  Tom Tromey  <tromey@redhat.com>
1124
1125         * c-parser.c (c_parser_asm_string_literal): Clear
1126         warn_overlength_strings.
1127
1128 2011-03-14  Tom Tromey  <tromey@redhat.com>
1129
1130         * c-parser.c (disable_extension_diagnostics): Save
1131         warn_overlength_strings.
1132         (restore_extension_diagnostics): Restore warn_overlength_strings.
1133
1134 2011-03-14  Jakub Jelinek  <jakub@redhat.com>
1135
1136         * BASE-VER: Change to 4.7.0.
1137
1138 2011-03-14  Richard Guenther  <rguenther@suse.de>
1139
1140         PR middle-end/48098
1141         * tree.c (build_vector_from_val): Adjust assert to requirements
1142         and reality.
1143
1144 2011-03-14  Jakub Jelinek  <jakub@redhat.com>
1145
1146         PR bootstrap/48102
1147         * graphite-cloog-compat.h (build_cloog_prog): Remove STATE parameter.
1148
1149 2011-03-14  Andreas Tobler  <andreast@fgznet.ch>
1150
1151         * config/rs6000/freebsd.h: (RELOCATABLE_NEEDS_FIXUP): Define in
1152         terms of target_flags_explicit. Adjust copyright year.
1153
1154         * config.gcc: Add FreeBSD PowerPC soft-float libgcc bits.
1155         * config/rs6000/t-freebsd: New file. Add override for
1156         LIB2FUNCS_EXTRA.
1157
1158 2011-03-13  Chris Demetriou  <cgd@google.com>
1159
1160         * doc/invoke.texi (-fdiagnostics-show-option): Replace with...
1161         (-fno-diagnostics-show-option): this, to reflect current default.
1162         (-Werror=): Update text about -fno-diagnostics-show-option.
1163
1164 2011-03-12  Peter Bergner  <bergner@vnet.ibm.com>
1165
1166         PR target/48053
1167         * config/rs6000/predicates.md (easy_vector_constant_add_self,
1168         easy_vector_constant_msb): Do not handle V2DImode and V2DFmode.
1169         * config/rs6000/rs6000.c (const_vector_elt_as_int): Add assert that
1170         mode is not V2DImode or V2DFmode.
1171         (vspltis_constant): Do not handle V2DImode and V2DFmode.
1172         (rs6000_expand_vector_init): Replace copy_to_reg with copy_to_mode_reg.
1173         * config/rs6000/rs6000.md (movdi_internal32): Allow setting VSX
1174         registers to 0.
1175         (movdi_internal64): Likewise.
1176
1177 2011-03-12  Sebastian Pop  <sebastian.pop@amd.com>
1178
1179         PR tree-optimization/47127
1180         * graphite-clast-to-gimple.c (build_cloog_prog): Removed state
1181         parameter.
1182         (set_cloog_options): Same.
1183         (scop_to_clast): Same.
1184         (print_clast_stmt): Do not call cloog_state_malloc and
1185         cloog_state_free.
1186         (print_generated_program): Same.
1187         (gloog): Same.
1188         * graphite-clast-to-gimple.h (cloog_state): Declared.
1189         (scop_to_clast): Adjust declaration.
1190         * graphite.c (cloog_state): Defined here.
1191         (graphite_initialize): Call cloog_state_malloc.
1192         (graphite_finalize): Call cloog_state_free.
1193
1194 2011-03-11  Jason Merrill  <jason@redhat.com>
1195
1196         * attribs.c (lookup_attribute_spec): Take const_tree.
1197         * tree.h: Adjust.
1198
1199 2011-03-11  Joseph Myers  <joseph@codesourcery.com>
1200
1201         * config/sparc/sparc.c (sparc_option_override): Use
1202         PROCESSOR_NIAGARA2 not PROCESSOR_NIAGARA for "niagara2".
1203
1204 2011-03-11  Richard Guenther  <rguenther@suse.de>
1205
1206         PR tree-optimization/48067
1207         * tree-ssa-math-opts.c (convert_mult_to_fma): Verify the
1208         multiplication result will be only used once on the target
1209         stmt.
1210
1211 2011-03-11  Richard Guenther  <rguenther@suse.de>
1212
1213         * doc/invoke.texi (max-inline-insns-single): Adjust default value.
1214
1215 2011-03-11  Richard Guenther  <rguenther@suse.de>
1216
1217         PR lto/48073
1218         * tree.c (find_decls_types_r): Do not walk types only reachable
1219         from IDENTIFIER_NODEs.
1220
1221 2011-03-11  Jakub Jelinek  <jakub@redhat.com>
1222
1223         PR middle-end/48044
1224         * ipa.c (cgraph_remove_unreachable_nodes): Enqueue
1225         all vnode->force_output nodes as needed.
1226
1227 2011-03-11  Jason Merrill  <jason@redhat.com>
1228
1229         PR c++/48069
1230         * tree.c (type_hash_eq): Use COMPLETE_TYPE_P, not
1231         COMPLETE_OR_UNBOUND_ARRAY_TYPE_P.
1232
1233 2011-03-11  Martin Jambor  <mjambor@suse.cz>
1234
1235         * cgraphunit.c (verify_cgraph_node): Call cgraph_get_node instead of
1236         cgraph_node.
1237
1238 2011-03-11  Jakub Jelinek  <jakub@redhat.com>
1239
1240         PR tree-optimization/48063
1241         * ipa-inline.c (cgraph_decide_inlining): Don't try to
1242         inline functions called once if !tree_can_inline_p (node->callers).
1243
1244 2011-03-11  Chen Liqin  <liqin.gcc@gmail.com>
1245
1246         * config.gcc (score-*-elf): Add extra_parts .., update tmake_file and
1247         extra_objs.
1248         * config/score/score3.c: Delete.
1249         * config/score/score3.h: Delete.
1250         * config/score/mul-div.S: Delete.
1251         * config/score/sfp-machine.h: Add new file.
1252         * config/score/constraints.md: Add new file.
1253         * config/score/t-score-softfp: Add new file.
1254         * config/score/t-score-elf: Remove score3.o, do not generate multilib.
1255         * config/score/score7.c (score7_const_ok_for_letter_p): Delete.
1256         (score7_extra_constraint): Delete.
1257         (score7_option_override): Remove unused code.
1258         * config/score/score.c: Remove score3 and score5 define and code.
1259         * config/score/score.h: Remove score3 and score5 define and code.
1260         * config/score/score.md: Remove score3 template and unusual insn.
1261         * config/score/score.opt: Remove score3 and score5 options.
1262
1263 2011-03-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1264
1265         * config/pa/pa-hpux10.h (TARGET_OS_CPP_BUILTINS): Define _REENTRANT
1266         when _HPUX_SOURCE is defined.
1267         (LIB_SPEC): Use -lc instead of -lc_r when -threads is specified.
1268
1269 2011-03-10  Jason Merrill  <jason@redhat.com>
1270
1271         PR c++/48029
1272         * stor-layout.c (layout_type): Don't set structural equality
1273         on arrays of incomplete type.
1274         * tree.c (type_hash_eq): Handle comparing them properly.
1275
1276 2011-03-10  Jakub Jelinek  <jakub@redhat.com>
1277
1278         PR debug/48043
1279         * config/s390/s390.c (s390_delegitimize_address): Make sure the
1280         result mode matches original rtl mode.
1281
1282 2011-03-10  Nick Clifton  <nickc@redhat.com>
1283
1284         * config/rx/rx.md (bitset_in_memory, bitclr_in_memory: Fix timings.
1285         (andsi3, andsi3_flags): Fix timings for three operand alternative.
1286
1287 2011-03-09  Jakub Jelinek  <jakub@redhat.com>
1288
1289         PR rtl-optimization/47866
1290         * expr.c (store_field): If MEM_SCALAR_P (target), don't use
1291         MEM_SET_IN_STRUCT_P (to_rtx, 1), just set MEM_IN_STRUCT_P (to_rtx)
1292         if target wasn't scalar.
1293         * function.c (assign_stack_temp_for_type): Assert that neither
1294         MEM_SCALAR_P nor MEM_IN_STRUCT_P is set previously, set either
1295         MEM_IN_STRUCT_P or MEM_SCALAR_P instead of using MEM_SET_IN_STRUCT_P
1296         macro.
1297         * rtl.h (MEM_SET_IN_STRUCT_P): Removed.
1298
1299 2011-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1300
1301         * config/s390/s390-protos.h (s390_label_align): New prototype.
1302         * config/s390/s390.c (s390_label_align): New function.
1303         * config/s390/s390.h (LABEL_ALIGN): New target macro definition.
1304
1305 2011-03-08  Michael Meissner  <meissner@linux.vnet.ibm.com>
1306
1307         PR target/47755
1308         * config/rs6000/rs6000.c (easy_altivec_constant): Correctly handle
1309         V2DI/V2DF constants.  Only all 0's or all 1's are easy.
1310         (output_vec_const_move): Ditto.
1311
1312 2011-03-08  Anatoly Sokolov  <aesok@post.ru>
1313
1314         * config/mips/mips.h (PREFERRED_RELOAD_CLASS): Remove macro.
1315         * config/mips/mips-protos.h (mips_preferred_reload_class): Remove.
1316         * config/mips/mips.c (mips_preferred_reload_class): Make static.
1317         Change 'rclass' argument and result type to reg_class_t.
1318         (TARGET_PREFERRED_RELOAD_CLASS): Define.
1319
1320 2011-03-08  Georg-Johann Lay  <avr@gjlay.de>
1321
1322         * config/avr/avr.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
1323         * config/avr/avr.c (TARGET_REGISTER_MOVE_COST)
1324         (TARGET_MEMORY_MOVE_COST): Define.
1325         (avr_register_move_cost, avr_memory_move_cost): New Functions.
1326
1327 2011-03-08  Jakub Jelinek  <jakub@redhat.com>
1328
1329         PR debug/47881
1330         * ira.c (ira): Call df_analyze again if delete_trivially_dead_insns
1331         removed anything.
1332
1333         PR tree-optimization/48022
1334         * fold-const.c (fold_comparison): Don't call fold_overflow_warning
1335         for EQ/NE_EXPR.
1336
1337 2011-03-07  Jakub Jelinek  <jakub@redhat.com>
1338
1339         PR debug/47991
1340         * var-tracking.c (find_use_val): Return NULL for
1341         cui->sets && cui->store_p BLKmode MEMs.
1342
1343 2011-03-07  Anatoly Sokolov  <aesok@post.ru>
1344
1345         * config/stormy16/stormy16.h (PRINT_OPERAND, PRINT_OPERAND_ADDRESS):
1346         Remove.
1347         * config/stormy16/stormy16-protos.h (xstormy16_print_operand,
1348         xstormy16_print_operand_address): Remove.
1349         * config/stormy16/stormy16.c (xstormy16_print_operand,
1350         xstormy16_print_operand_address): Make static.
1351         (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS): Define.
1352
1353 2011-03-07  Pat Haugen  <pthaugen@us.ibm.com>
1354
1355         PR target/47862
1356         * config/rs6000/rs6000.h (HARD_REGNO_CALLER_SAVE_MODE): Define.
1357         * config/rs6000/e500.h (HARD_REGNO_CALLER_SAVE_MODE): Undefine
1358         before definition.
1359
1360 2011-03-07  Zdenek Dvorak  <ook@ucw.cz>
1361
1362         PR bootstrap/48000
1363         * cfgloopmanip.c (fix_bb_placements): Return immediately
1364         if FROM is BASE_LOOP's header.
1365
1366 2011-03-07  Paul Wögerer  <paul_woegerer@mentor.com>
1367
1368         * gimplify.c (gimplify_function_tree): Fix building calls
1369         to __builtin_return_address.
1370
1371 2011-03-07  Alan Modra  <amodra@gmail.com>
1372
1373         * config/rs6000/linux.h (TARGET_ASM_FILE_END): Don't define.
1374         * config/rs6000/linux64.h (TARGET_ASM_FILE_END): Don't define.
1375         * config/rs6000/sysv4.h (TARGET_ASM_FILE_END): Define.
1376         * config/rs6000/rs6000-protos.h (init_cumulative_args): Add fndecl and
1377         return_mode args.
1378         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): Add "escapes".
1379         (INIT_CUMULATIVE_ARGS): Pass FNDECL, VOIDmode.
1380         (INIT_CUMULATIVE_INCOMING_ARGS): Pass current_function_decl, VOIDmode.
1381         (INIT_CUMULATIVE_LIBCALL_ARGS): Pass NULL_TREE, MODE.
1382         * config/rs6000/rs6000.c
1383         (rs6000_elf_end_indicate_exec_stack): Rename to..
1384         (rs6000_elf_file_end): ..this.  Only call file_end_indicate_exec_stack
1385         for POWERPC_LINUX.  Move code emitting .gnu_attribute to here, from..
1386         (rs6000_file_start): ..here.
1387         (rs6000_passes_float, rs6000_passes_vector, rs6000_returns_struct): New
1388         file scope variables.
1389         (call_ABI_of_interest): New function.
1390         (init_cumulative_args): Set above vars when function return value
1391         is a float, vector, or small struct.
1392         (rs6000_function_arg_advance_1): Likewise for function args.
1393         (rs6000_va_start): Set rs6000_passes_float if variable arg function
1394         references float args.
1395
1396 2011-03-07  Mingjie Xing  <mingjie.xing@gmail.com>
1397
1398         * doc/cfg.texi: Remove "See" before @ref.
1399         * doc/invoke.texi: Likewise.
1400
1401 2011-03-05  Jason Merrill  <jason@redhat.com>
1402
1403         * doc/invoke.texi (C++ Dialect Options): Document ABI v5.
1404
1405 2011-03-05  Anthony Green  <green@moxielogic.com>
1406
1407         * config.gcc (moxie-*-elf): Add newlib-stdint.h to tmfile.
1408
1409 2011-03-05  Zdenek Dvorak  <ook@ucw.cz>
1410
1411         PR rtl-optimization/47899
1412         * cfgloopmanip.c (fix_bb_placements): Fix first argument
1413         to flow_loop_nested_p when moving the loop upward.
1414
1415 2011-03-05  Richard Earnshaw  <rearnsha@arm.com>
1416
1417         PR target/47719
1418         * arm.md (movhi_insn_arch4):  Accept any immediate constant.
1419
1420 2011-03-05  Jakub Jelinek  <jakub@redhat.com>
1421
1422         PR tree-optimization/47967
1423         * ipa-cp.c (build_const_val): Return NULL instead of creating
1424         VIEW_CONVERT_EXPR for mismatching sizes.
1425         (ipcp_create_replace_map): Return NULL if build_const_val failed.
1426         (ipcp_insert_stage): If ipcp_create_replace_map returns NULL,
1427         give up on versioning.
1428
1429 2011-03-05  Alan Modra  <amodra@gmail.com>
1430
1431         PR target/47986
1432         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
1433         full cmodel medium/large lo_sum + high addresses.
1434
1435 2011-03-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1436
1437         * config/s390/s390.c (s390_decompose_address): Reject non-literal
1438         pool references in UNSPEC_LTREL_OFFSET.
1439
1440 2011-03-04  Jan Hubicka  <jh@suse.cz>
1441
1442         PR lto/47497
1443         * lto-symtab.c (lto_cgraph_replace_node): Do not set thunk.alias.
1444         (lto_symtab_merge_cgraph_nodes_1): Update thunk.alias pointers here.
1445         * cgraph.h (cgraph_same_body_alias, cgraph_add_thunk):
1446         Add node pointers.
1447         * cgraph.c (cgraph_same_body_alias_1, cgraph_same_body_alias,
1448         cgraph_add_thunk): Add node pointers.
1449         * lto-cgraph.c (lto_output_node): Verify that thunks&aliases are
1450         associated to right node.
1451         (input_node): Update use of cgraph_same_body_alias
1452         and cgraph_add_thunk.
1453
1454 2011-03-04  Changpeng Fang  <changpeng.fang@amd.com>
1455
1456         * config/i386/i386.opt (mprefer-avx128): New flag.
1457         * config/i386/i386.c (ix86_preferred_simd_mode): Prefer 128-bit AVX
1458         modes when the flag -mprefer-avx128 is on.
1459
1460 2011-03-04  Richard Sandiford  <richard.sandiford@linaro.org>
1461
1462         * dwarf2out.c (compare_loc_operands): Fix address handling.
1463
1464 2011-03-04  Alan Modra  <amodra@gmail.com>
1465
1466         * tree.h (TREE_ADDRESSABLE): Update FUNCTION_DECL comment.
1467
1468 2011-03-04  Richard Guenther  <rguenther@suse.de>
1469
1470         PR middle-end/47968
1471         * expmed.c (extract_bit_field_1): Prefer vector modes that
1472         vec_extract patterns can handle.
1473
1474 2011-03-04  Richard Guenther  <rguenther@suse.de>
1475
1476         PR middle-end/47975
1477         * optabs.c (optab_for_tree_code): Do not use VECTOR_MODE_P.
1478
1479 2011-03-04  Richard Henderson  <rth@redhat.com>
1480
1481         * explow.c (emit_stack_save): Remove 'after' parameter.
1482         (emit_stack_restore): Likewise.
1483         * expr.h: Update to match.
1484         * builtins.c, calls.c, stmt.c: Likewise.
1485         * config/alpha/alpha.md, config/avr/avr.md: Likewise.
1486         * config/mips/mips.md, config/pa/pa.md, config/vax/vax.md: Likewise.
1487         * function.c (expand_function_end): Insert the emit_stack_save
1488         sequence before parm_birth_insn instead of after.
1489
1490 2011-03-03  Uros Bizjak  <ubizjak@gmail.com>
1491
1492         * config/i386/sse.md (*avx_pmaddubsw128): Fix mode of VEC_SELECT RTX.
1493         (ssse3_pmaddubsw128): Ditto.
1494         (ssse3_pmaddubsw): Ditto.
1495
1496 2011-03-03  Steve Ellcey  <sje@cup.hp.com>
1497
1498         * config/ia64/t-hpux: Add $(srcdir)/unwind-c.c to LIB2ADDEH
1499
1500 2011-03-03  Jakub Jelinek  <jakub@redhat.com>
1501
1502         PR c/47963
1503         * gimplify.c (omp_add_variable): Only call omp_notice_variable
1504         on TYPE_SIZE_UNIT if it is a DECL.
1505
1506         PR debug/47283
1507         * cfgexpand.c (expand_debug_expr) <case MEM_REF>: If MEM_REF
1508         first operand is not is_gimple_mem_ref_addr, try to fold it.
1509         If the operand still isn't is_gimple_mem_ref_addr, clear
1510         MEM_EXPR on op0.
1511
1512 2011-03-03  Richard Guenther  <rguenther@suse.de>
1513
1514         PR middle-end/47283
1515         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Make code
1516         match comment.
1517         (refs_may_alias_p_1): For release branches return true if
1518         we are confused by our input.
1519
1520 2011-03-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1521
1522         * config/s390/s390.c (s390_function_value): Rename to ...
1523         (s390_function_and_libcall_value): ... this.
1524         (s390_function_value): New function.
1525         (s390_libcall_value): New function.
1526         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Define target hooks.
1527         * config/s390/s390.h (FUNCTION_VALUE, LIBCALL_VALUE): Remove
1528         target macro definitions.
1529         * config/s390/s390-protos.h (s390_function_value): Remove prototype.
1530
1531 2011-03-02  Joseph Myers  <joseph@codesourcery.com>
1532
1533         * config/i386/freebsd64.h (CC1_SPEC): Define.
1534         * config/i386/linux64.h (CC1_SPEC): Define.
1535         * config/i386/x86-64.h (CC1_SPEC): Don't define.
1536
1537 2011-03-02  Anatoly Sokolov  <aesok@post.ru>
1538
1539         * config/stormy16/stormy16.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST):
1540         Remove.
1541         * config/stormy16/stormy16.c: Include reload.h.
1542         (xstormy16_memory_move_cost): New function.
1543         (TARGET_MEMORY_MOVE_COST): Define.
1544
1545 2011-03-02  Richard Sandiford  <richard.sandiford@linaro.org>
1546
1547         PR rtl-optimization/47925
1548         * cse.c (count_reg_usage): Don't ignore the SET_DEST of instructions
1549         with side effects.  Remove the more-specific check for volatile asms.
1550
1551 2011-03-02  Alan Modra  <amodra@gmail.com>
1552
1553         PR target/47935
1554         * config/rs6000/predicates.md (lwa_operand): Check cmodel medium
1555         toc relative addresses for valid offsets.
1556
1557 2011-03-01  Richard Guenther  <rguenther@suse.de>
1558
1559         PR tree-optimization/47890
1560         * tree-vect-loop.c (get_initial_def_for_induction): Set
1561         related stmt properly.
1562
1563 2011-03-01  Richard Guenther  <rguenther@suse.de>
1564
1565         PR lto/47924
1566         * lto-streamer.c (lto_record_common_node): Also register
1567         the canonical type.
1568
1569 2011-03-01  Richard Guenther  <rguenther@suse.de>
1570
1571         PR lto/46911
1572         * lto-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
1573         Do not stream DECL_ABSTRACT_ORIGIN.
1574         (lto_input_ts_block_tree_pointers): Nor BLOCK_SOURCE_LOCATION,
1575         BLOCK_NONLOCALIZED_VARS or BLOCK_ABSTRACT_ORIGIN.
1576         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
1577         Do not stream DECL_ABSTRACT_ORIGIN.
1578         (lto_output_ts_block_tree_pointers): Nor BLOCK_SOURCE_LOCATION,
1579         BLOCK_NONLOCALIZED_VARS or BLOCK_ABSTRACT_ORIGIN.
1580
1581 2011-02-28  Anatoly Sokolov  <aesok@post.ru>
1582
1583         * config/stormy16/stormy16.h (FUNCTION_VALUE, LIBCALL_VALUE,
1584         FUNCTION_VALUE_REGNO_P): Remove.
1585         * config/stormy16/stormy16-protos.h (xstormy16_function_value): Remove.
1586         * config/stormy16/stormy16.c (xstormy16_function_value): Make static.
1587         Add 'outgoing' argument.
1588         (xstormy16_libcall_value, xstormy16_function_value_regno_p): New
1589         function.
1590         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
1591         TARGET_FUNCTION_VALUE_REGNO_P): Define.
1592
1593 2011-02-28  Kai Tietz  <kai.tietz@onevision.com>
1594
1595         PR debug/28047
1596         * dwarf2out.c (file_table_eq): Use filename_cmp instead of strcmp.
1597         (lookup_filename): Likewise.
1598         * final.c (remap_debug_filename): Use filename_ncmp instead of strncmp.
1599
1600 2011-02-28  Bernd Schmidt  <bernds@codesourcery.com>
1601             Jakub Jelinek  <jakub@redhat.com>
1602
1603         PR middle-end/47893
1604         * rtl.h (ASLK_REDUCE_ALIGN, ASLK_RECORD_PAD): Define.
1605         (assign_stack_local_1): Change last argument type to int.
1606         * function.c (assign_stack_local_1): Replace reduce_alignment_ok
1607         argument with kind.  If bit ASLK_RECORD_PAD is not set in it,
1608         don't record padding space into frame_space_list nor use those areas.
1609         (assign_stack_local): Adjust caller.
1610         (assign_stack_temp_for_type): Call assign_stack_local_1 instead
1611         of assign_stack_local, pass 0 as last argument.
1612         * caller-save.c (setup_save_areas): Adjust assign_stack_local_1
1613         callers.
1614
1615 2011-02-28  Jakub Jelinek  <jakub@redhat.com>
1616
1617         PR debug/47283
1618         * cfgexpand.c (convert_debug_memory_address): Add AS parameter.
1619         Use target address_mode and pointer_mode hooks instead of hardcoded
1620         Pmode and ptr_mode.  Handle some simple cases of extending if
1621         POINTERS_EXTEND_UNSIGNED < 0.
1622         (expand_debug_expr) <case MEM_REF, INDIRECT_REF, TARGET_MEM_REF>:
1623         Call convert_debug_memory_address.
1624         (expand_debug_expr) <case ADDR_EXPR>: Pass as to
1625         convert_debug_memory_address.
1626
1627         PR middle-end/46790
1628         * configure.ac (HAVE_LD_EH_GC_SECTIONS_BUG): New test.
1629         * configure: Regenerated.
1630         * config.in: Regenerated.
1631         * varasm.c (default_function_section): Return NULL
1632         if HAVE_LD_EH_GC_SECTIONS_BUG and decl has implicit section name.
1633
1634 2011-02-28  Martin Jambor  <mjambor@suse.cz>
1635
1636         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Fix
1637         the description to match the printed values.
1638
1639 2011-02-28  Richard Guenther  <rguenther@suse.de>
1640
1641         * tree-inline.c (tree_function_versioning): Set BLOCK_SUPERCONTEXT
1642         of the copied scope tree.
1643
1644 2011-02-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1645
1646         * doc/extend.texi (Function Attributes): Avoid deeply (and
1647         wrongly) nested tables.
1648
1649 2011-02-27  Jakub Jelinek  <jakub@redhat.com>
1650
1651         PR middle-end/47903
1652         * real.c (real_arithmetic) <case PLUS_EXPR, MINUS_EXPR,
1653         MULT_EXPR, RDIV_EXPR>: Clear padding bits in *r first if
1654         r isn't op0 nor op1.
1655
1656 2011-02-23  Georg-Johann Lay  <avr@gjlay.de>
1657
1658         * config/avr/avr.md: Remove magic comment for emacs.
1659
1660 2011-02-23  Georg-Johann Lay  <avr@gjlay.de>
1661
1662         PR target/45261
1663         * config/avr/avr.c (avr_option_override): Use error on bad options.
1664         (avr_help): New function.
1665         (TARGET_HELP): Define.
1666
1667 2011-02-22  Georg-Johann Lay  <avr@gjlay.de>
1668
1669         PR target/42240
1670         * config/avr/avr.c (avr_cannot_modify_jumps_p): New function.
1671         (TARGET_CANNOT_MODIFY_JUMPS_P): Define.
1672
1673 2011-02-26  Gerald Pfeifer  <gerald@pfeifer.com>
1674
1675         * doc/invoke.texi (ARC Options): Use CPU instead of cpu.
1676         (ARM Options): Ditto.
1677         (i386 and x86-64 Options): Ditto.
1678         (RX Options): Ditto.
1679         (SPARC Options): Ditto.
1680
1681 2011-02-26  Tijl Coosemans  <tijl@coosemans.org>
1682
1683         * config.gcc (i386-*-freebsd*): Make i486 the default arch on
1684         FreeBSD 6 and later.  Generally use cpu generic.
1685
1686 2011-02-25  Gerald Pfeifer  <gerald@pfeifer.com>
1687
1688         * doc/cpp.texi: Update copyright years.
1689
1690 2011-02-25  Sebastien Bourdeauducq  <sebastien@milkymist.org>
1691
1692         PR target/46898
1693         * config/lm32/lm32.md (ashrsi3): Added needed variable.
1694
1695 2011-02-25  Jon Beniston  <jon@beniston.com>
1696
1697         PR target/46898
1698         * config/lm32/lm32.h (INCOMING_RETURN_ADDR_RTX): New.
1699         * config/lm32/lm32.md (ashlsi3): Remove unused variable.
1700         * config/lm32/lm32.c (TARGET_EXCEPT_UNWIND_INFO): New.
1701         (lm32_block_move_inline): Add type cast to remove warning.
1702         (lm32_expand_prologue): Generate fp in a way compatible with dwarf2out.
1703         (gen_int_relational): Move declarations to start of function.
1704
1705 2011-02-25  Eric Botcazou  <ebotcazou@adacore.com>
1706
1707         PR tree-optimization/45470
1708         * tree-vect-data-refs.c (vect_analyze_data_refs): Fail if a statement
1709         can throw internally only.
1710         * tree-vect-stmts.c (vectorizable_call): Likewise.
1711
1712 2011-02-24  Anatoly Sokolov  <aesok@post.ru>
1713
1714         * config/stormy16/stormy16.h (PREFERRED_RELOAD_CLASS,
1715         PREFERRED_OUTPUT_RELOAD_CLASS): Remove.
1716         * config/stormy16/stormy16-protos.h
1717         (xstormy16_preferred_reload_class): Remove.
1718         * config/stormy16/stormy16.c (xstormy16_preferred_reload_class): Make
1719         static. Change 'rclass' argument and return type to reg_class_t.
1720         (TARGET_PREFERRED_RELOAD_CLASS,
1721         TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.
1722
1723 2011-02-24  Richard Guenther  <rguenther@suse.de>
1724
1725         * lto-streamer-in.c (input_bb): Do not find referenced vars
1726         in debug statements.
1727
1728 2011-02-23  Jason Merrill  <jason@redhat.com>
1729
1730         * common.opt (fabi-version): Document v5 and v6.
1731
1732 2011-02-23  Richard Guenther  <rguenther@suse.de>
1733
1734         PR tree-optimization/47849
1735         * tree-if-conv.c (main_tree_if_conversion): Free postdom info.
1736
1737 2011-02-23  Jie Zhang  <jie@codesourcery.com>
1738
1739         * opts-common.c (decode_cmdline_option): Print empty string
1740         argument as "" in decoded->orig_option_with_args_text.
1741         * gcc.c (execute): Print empty string argument as ""
1742         in the verbose output.
1743         (do_spec_1): Keep empty string argument.
1744
1745 2011-02-23  Nathan Froyd  <froydnj@codesourcery.com>
1746
1747         * config.gcc: Declare score-* and crx-* obsolete.
1748
1749 2011-02-23  Jie Zhang  <jie@codesourcery.com>
1750
1751         PR rtl-optimization/47763
1752         * web.c (web_main): Ignore naked clobber when replacing register.
1753
1754 2011-02-22  Anatoly Sokolov  <aesok@post.ru>
1755
1756         * config/stormy16/stormy16.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P):
1757         Remove.
1758
1759 2011-02-22  Sebastian Pop  <sebastian.pop@amd.com>
1760
1761         PR doc/47848
1762         * doc/invoke.texi: Do not mention -ftree-loop-if-convert-memory-writes.
1763
1764 2011-02-22  Mike Stump  <mikestump@comcast.net>
1765
1766         * acinclude.m4 (gcc_cv_gas_vers): Add -arch ppc for probing darwin
1767         assembler.
1768         * configure: Regenerate.
1769
1770 2011-02-21  Chung-Lin Tang  <cltang@codesourcery.com>
1771
1772         PR rtl-optimization/46002
1773         * ira-color.c (update_copy_costs): Change class intersection
1774         test to reg_class_contents[] test of 'hard_regno'.
1775
1776 2011-02-21  Joseph Myers  <joseph@codesourcery.com>
1777
1778         * config/alpha/osf5.opt (mno-mips-tfile): Mark as Target rather
1779         than Driver option.
1780         * config/hpux11.opt (mt): Likewise.
1781         * config/microblaze/microblaze.opt (mxl-mode-xilkernel): Likewise.
1782         * config/rs6000/xilinx.opt (mno-clearbss, mppcperflib): Likewise.
1783         * config/vax/elf.opt (mno-asm-pic): Likewise.
1784         * config/vms/vms.opt (map, mvms-return-codes): Likewise.
1785
1786 2011-02-21  Mike Stump  <mikestump@comcast.net>
1787
1788         PR target/47822
1789         * config/darwin-protos.h (darwin_init_cfstring_builtins): Return a
1790         tree so we can get save the type.
1791         * config/i386/darwin.h (SUBTARGET_INIT_BUILTINS): Reserve builtin slot
1792         for CFString instead of trying to use past the end of the builtins.
1793         * config/i386/i386.c (IX86_BUILTIN_CFSTRING): Likewise.
1794         * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_CFSTRING): Likewise.
1795         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): Likewise.
1796         * config/darwin.c (DARWIN_BUILTIN_CFSTRINGMAKECONSTANTSTRING):
1797         Rename to darwin_builtin_cfstring.
1798         (darwin_init_cfstring_builtins): Return the built type.
1799
1800 2011-02-21  Uros Bizjak  <ubizjak@gmail.com>
1801
1802         PR target/47840
1803         * config/i386/avxintrin.h (_mm256_insert_epi32): Use _mm_insert_epi32.
1804         (_mm256_insert_epi64): Use _mm_insert_epi64.
1805
1806 2011-02-21  Anatoly Sokolov  <aesok@post.ru>
1807
1808         * config/stormy16/stormy16.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
1809         * config/stormy16/stormy16-protos.h
1810         (xstormy16_mode_dependent_address_p): Remove.
1811         * config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
1812         Make static. Change return type to bool. Change argument type to
1813         const_rtx. Remove dead code.
1814         (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
1815
1816 2011-02-21  Richard Guenther  <rguenther@suse.de>
1817
1818         PR lto/47820
1819         * lto-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
1820         Do not stream DECL_INITIAL for TRANSLATION_UNIT_DECLs.
1821         (lto_input_ts_block_tree_pointers): Hook a BLOCK into the
1822         TUs context.
1823         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
1824         Do not stream DECL_INITIAL for TRANSLATION_UNIT_DECLs.
1825
1826 2011-02-20  Richard Guenther  <rguenther@suse.de>
1827
1828         PR lto/47822
1829         * tree.c (free_lang_data_in_decl): Clean builtins from
1830         the TU decl BLOCK_VARS.
1831
1832 2011-02-19  Alexandre Oliva  <aoliva@redhat.com>
1833
1834         PR debug/47620
1835         PR debug/47630
1836         * haifa-sched.c (fix_tick_ready): Skip tick computation
1837         for debug insns.
1838
1839 2011-02-19  Richard Guenther  <rguenther@suse.de>
1840
1841         PR lto/47647
1842         * lto-streamer-in.c (lto_input_ts_decl_minimal_tree_pointers):
1843         Remove lazy BLOCK_VARS streaming.
1844         (lto_input_ts_block_tree_pointers): Likewise.
1845         * lto-streamer-out.c (lto_output_ts_block_tree_pointers): Likewise.
1846
1847 2011-02-19  Joseph Myers  <joseph@codesourcery.com>
1848
1849         * config.gcc (i[34567]86-pc-msdosdjgpp*): Use i386/djgpp-stdint.h.
1850
1851 2011-02-19  Joseph Myers  <joseph@codesourcery.com>
1852
1853         * config/i386/biarch32.h, config/i386/mach.h,
1854         config/rs6000/aix.opt, config/sh/superh64.h: Remove.
1855
1856 2011-02-19  Jakub Jelinek  <jakub@redhat.com>
1857
1858         PR target/47800
1859         * config/i386/i386.md (peephole2 for shift and plus): Use
1860         operands[1] original mode in the first insn.
1861
1862 2011-02-18  Mike Stump  <mikestump@comcast.net>
1863
1864         * config/t-darwin (TM_H): Add dependency on darwin-sections.def.
1865
1866 2011-02-18  Jan Hubicka  <jh@suse.cz>
1867
1868         PR middle-end/47788
1869         * ipa-inline.c (compute_inline_parameters): Set disregard_inline_limits
1870         to zero when the function is not inlinable at all.
1871
1872 2011-02-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1873
1874         * config.gcc (hppa[12]*-*-hpux11*): Set extra_parts.
1875         * config/pa/stublib.c (pthread_default_stacksize_np, pthread_mutex_lock,
1876         pthread_mutex_unlock, pthread_once): Reinstate pthread stubs.
1877         * config/pa/t-pa-hpux11: Add rules to build pthread stubs.
1878         * config/pa/t-pa64: Likewise.
1879         * config/pa/pa-hpux11.h (LINK_GCC_C_SEQUENCE_SPEC): Define.
1880
1881 2011-02-18  Jakub Jelinek  <jakub@redhat.com>
1882
1883         PR driver/47787
1884         * gcc.c (default_compilers): Clear combinable field for "@cpp-output".
1885
1886 2011-02-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1887
1888         PR target/47792
1889         * gthr-dce.h (__gthread_mutx_destroy): Fix typo in name.
1890
1891 2011-02-18  Anatoly Sokolov  <aesok@post.ru>
1892
1893         * config/m32r/m32r.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
1894         RTX_OK_FOR_BASE_P, RTX_OK_FOR_OFFSET_P, LEGITIMATE_OFFSET_ADDRESS_P,
1895         LEGITIMATE_LO_SUM_ADDRESS_P, LOAD_POSTINC_P, STORE_PREINC_PREDEC_P,
1896         GO_IF_LEGITIMATE_ADDRESS): Remove macros.
1897         * config/m32r/m32r.c (TARGET_LEGITIMATE_ADDRESS_P): Define.
1898         (m32r_rtx_ok_for_base_p, m32r_rtx_ok_for_offset_p,
1899         m32r_legitimate_offset_addres_p, m32r_legitimate_lo_sum_addres_p,
1900         m32r_load_postinc_p, m32r_store_preinc_predec_p,
1901         m32r_legitimate_address_p): New functions.
1902         * config/m32r/constraints.md (constraint "S"): Don't use
1903         STORE_PREINC_PREDEC_P.
1904         (constraint "U"): Don't use LOAD_POSTINC_P.
1905
1906 2011-02-18  Chung-Lin Tang  <cltang@codesourcery.com>
1907
1908         PR rtl-optimization/46178
1909         * ira.c (setup_hard_regno_class): Use ira_class_translate[] to
1910         compute ira_hard_regno_cover_class[].
1911
1912 2011-02-18  Richard Guenther  <rguenther@suse.de>
1913
1914         PR lto/47798
1915         * lto-streamer.h (lto_global_var_decls): Declare.
1916         * lto-streamer-in.c (lto_register_var_decl_in_symtab): Register
1917         statics for global var processing.
1918
1919 2011-02-18  Richard Guenther  <rguenther@suse.de>
1920
1921         PR tree-optimization/47737
1922         * tree-ssa-loop-im.c (extract_true_false_args_from_phi): Fix
1923         edge dominance check.
1924
1925 2011-02-18  Jakub Jelinek  <jakub@redhat.com>
1926
1927         PR debug/47780
1928         * cfgexpand.c (expand_debug_expr) <case SSA_NAME>: Call copy_rtx to
1929         avoid invalid rtx sharing.
1930
1931 2011-02-18  Gerald Pfeifer  <gerald@pfeifer.com>
1932
1933         * doc/cpp.texi (Obsolete Features): Add background on the
1934         origin of assertions.
1935
1936 2011-02-17  Iain Sandoe  <iains@gcc.gnu.org>
1937
1938         * config/darwin-c.c (darwin_cpp_builtins): Define __OBJC2__ for
1939         objc_abi == 2.
1940         * config/darwin.c (output_objc_section_asm_op): Added support for
1941         ABI v1 and v2.
1942         (is_objc_metadata): New.
1943         (darwin_objc2_section): New.
1944         (darwin_objc1_section): New.
1945         (machopic_select_section): Added support for ABI v1 and v2.
1946         (darwin_emit_objc_zeroed): New.
1947         (darwin_output_aligned_bss): Detect objc metadata and treat it
1948         appropriately.
1949         (darwin_asm_output_aligned_decl_common): Same.
1950         (darwin_asm_output_aligned_decl_local): Same.
1951         * config/darwin-sections.def: Updated for ABI v1 and v2.
1952         * config/darwin.h (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): When
1953         compiling Objective-C code for the NeXT runtime, default to using
1954         ABI version 0 for 32-bit, and version 2 for 64-bit.
1955
1956 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
1957
1958         * common.opt (optimize_fast): New Variable.
1959         * opts.c (default_options_optimization): Use opts->x_optimize_fast
1960         instead of local variable ofast.
1961
1962 2011-02-17  Nicola Pero  <nicola.pero@meta-innovation.com>
1963
1964         * doc/invoke.texi (fobjc-abi-version): Documented.
1965         (fobjc-nilcheck): Documented.
1966         (fno-nil-receiver): Updated documentation to refer to the NeXT ABI
1967         version.
1968
1969 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
1970
1971         PR driver/47390
1972         * common.opt (export-dynamic): New Driver option.
1973         * gcc.c (LINK_COMMAND_SPEC): Add comment about %{e*}.
1974
1975 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
1976
1977         * config/rx/rx.h (LIB_SPEC): Match -msim not -msim*.
1978
1979 2011-02-17  Alexandre Oliva  <aoliva@redhat.com>
1980             Jan Hubicka  <jh@suse.cz>
1981
1982         PR debug/47106
1983         PR debug/47402
1984         * cfgexpand.c (account_used_vars_for_block): Remove.
1985         (estimated_stack_frame_size): Use referenced vars.
1986         * tree-inline.c (remap_decl): Only mark VAR_DECLs as referenced
1987         that were referenced in the original function.  Test src_fn
1988         rather than cfun.  Drop redundant get_var_ann.
1989         (setup_one_parameter): Drop redundant get_var_ann.
1990         (declare_return_variable): Likewise.
1991         (copy_decl_for_dup_finish): Mark VAR_DECLs referenced in src_fn.
1992         (copy_arguments_for_versioning): Drop redundant get_var_ann.
1993         * ipa-inline.c (compute_inline_parameters): Do not compute
1994         disregard_inline_limits here.
1995         (compute_inlinable_for_current, pass_inlinable): New.
1996         (pass_inline_parameters): Require PROP_referenced_vars.
1997         * cgraphunit.c (cgraph_process_new_functions): Don't run
1998         compute_inline_parameters explicitly unless function is in SSA form.
1999         (cgraph_analyze_function): Set .disregard_inline_limits.
2000         * tree-sra.c (convert_callers): Compute inliner parameters
2001         only for functions already in SSA form.
2002
2003 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
2004
2005         * config/sparc/sparc.h (CPP_ENDIAN_SPEC): Don't handle
2006         -mlittle-endian-data.
2007
2008 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
2009
2010         * config/sparc/linux64.h (OPTION_DEFAULT_SPECS): Match -mfpu and
2011         -mno-fpu, not -fpu and -no-fpu.
2012         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): Likewise.
2013         * config/sparc/sparc.h (OPTION_DEFAULT_SPECS): Likewise.
2014
2015 2011-02-17  Uros Bizjak  <ubizjak@gmail.com>
2016
2017         PR target/43653
2018         * config/i386/i386.c (ix86_secondary_reload): Handle SSE
2019         input reload with PLUS RTX.
2020
2021 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
2022
2023         * config/mips/mips.opt (mno-mdmx): Use Var(TARGET_MDMX, 0) instead
2024         of InverseVar(MDMX).
2025
2026 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
2027
2028         * config/sh/embed-elf.h (LIBGCC_SPEC): Match -m4-340 instead of
2029         --m4-340.
2030
2031 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
2032
2033         * config/mn10300/mn10300.opt (mno-crt0): New.
2034
2035 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
2036
2037         * config/m68k/uclinux.opt (static-libc): New Driver option.
2038
2039 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
2040
2041         * config/m32c/m32c.h (LIB_SPEC): Match -msim not -msim*.
2042
2043 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
2044
2045         * config/lm32/lm32.h (ASM_SPEC): Use %{muser-enabled} instead of
2046         %{muser-extend-enabled}.
2047
2048 2011-02-16  Richard Guenther  <rguenther@suse.de>
2049
2050         PR tree-optimization/47738
2051         * tree-ssa-loop.c (run_tree_predictive_commoning): Return
2052         the TODO from tree_predictive_commoning.
2053
2054 2011-02-15  Jeff Law  <law@redhat.com>
2055
2056         Revert
2057         2011-01-25  Jeff Law  <law@redhat.com>
2058
2059         PR rtl-optimization/37273
2060         * ira-costs.c (scan_one_insn): Detect constants living in memory and
2061         handle them like argument loads from stack slots.  Do not double
2062         count memory for memory constants and argument loads from stack slots.
2063
2064 2011-02-15  H.J. Lu  <hongjiu.lu@intel.com>
2065
2066         PR middle-end/47725
2067         * combine.c (cant_combine_insn_p): Revert the last change.
2068
2069 2011-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
2070
2071         PR target/47755
2072         * config/rs6000/predicates.md (easy_vector_constant): Allow V2DI
2073         mode for vector constants.  Remove code that checks for TImode.
2074
2075 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
2076
2077         PR debug/47106
2078         PR debug/47402
2079         * cgraph.h (compute_inline_parameters): Return void.
2080         * ipa-inline.c (compute_inline_parameters): Adjust.
2081
2082 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
2083
2084         PR debug/47106
2085         PR debug/47402
2086         * tree-inline.h (estimated_stack_frame_size): Take cgraph node
2087         rather than decl.
2088         * cfgexpand.c (estimated_stack_frame_size): Likewise.
2089         * ipa-inline.c (compute_inline_parameters): Adjust.
2090
2091 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
2092
2093         PR debug/47106
2094         PR debug/47402
2095         * tree-flow.h (FOR_EACH_REFERENCED_VAR): Add FN argument.
2096         Adjust all users.  Pass FN to...
2097         * tree-flow-inline.h (first_referenced_var): ... this.  Add
2098         fn argument.
2099         * ipa-struct-reorg.c: Adjust.
2100         * tree-dfa.c: Adjust.
2101         * tree-into-ssa.c: Adjust.
2102         * tree-sra.c: Adjust.
2103         * tree-ssa-alias.c: Adjust.
2104         * tree-ssa-live.c: Adjust.
2105         * tree-ssa.c: Adjust.
2106         * tree-ssanames.c: Adjust.
2107         * tree-tailcall.c: Adjust.
2108
2109 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
2110
2111         PR debug/47106
2112         PR debug/47402
2113         * tree-flow.h (referenced_var_lookup): Add fn parameter.
2114         Adjust all callers.
2115         * tree-dfa.c (referenced_var_lookup): Use fn instead of cfun.
2116         * tree-flow-inline.h: Adjust.
2117         * gimple-pretty-print.c: Adjust.
2118         * tree-into-ssa.c: Adjust.
2119         * tree-ssa.c: Adjust.
2120         * cfgexpand.c: Adjust.
2121
2122 2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>
2123
2124         * config/iq2000/i2000.h (REG_CLASS_FROM_LETTER): Delete.
2125         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2126         (EXTRA_CONSTRAINT): Delete.
2127         * config/iq2000/constraints.md: New file.
2128         * config/iq2000/iq2000.md: Include it.
2129         (define_insn ""): Delete.
2130         (movsi_internal2, movhi_internal2, movqi_internal2): Delete
2131         unsupported constraint letters from patterns.
2132         (call_value, call_value_internal1): Likewise.
2133         (call_value_multiple_internal1): Likewise.
2134
2135 2011-02-15  Nick Clifton  <nickc@redhat.com>
2136
2137         * config/mn10300/mn10300.c: Include tm-constrs.h.
2138         (struct liw_data): New data structure describing an LIW candidate
2139         instruction.
2140         (extract_bundle): Use struct liw_data.  Allow small integer
2141         operands for some instructions.
2142         (check_liw_constraints): Use struct liw_data.  Remove swapped
2143         parameter.  Add comments describing the checks.  Fix bug when
2144         assigning the source of liw1 to the source of liw2.
2145         (liw_candidate): Delete.  Code moved into extract_bundle.
2146         (mn10300_bundle_liw): Use struct liw_data.  Check constraints
2147         before swapping.
2148         * config/mn10300/predicates.md (liw_operand): New predicate.
2149         Allows registers and small integer constants.
2150         * config/mn10300/constraints.md (O): New constraint.  Accetps
2151         integers in the range -8 to +7 inclusive.
2152         * config/mn10300/mn10300.md (movesi_internal): Add an alternative
2153         for moving a small integer into a register.  Give this alternative
2154         LIW attributes.
2155         (addsi3, subsi3, cmpsi, lshrsi3, ashrsi3): Likewise.
2156         (ashlsi3): Likewise, plus give LIW attributes to the alternatives
2157         using the J,K,L and M constraints,
2158         (liw): Remove SI mode on second operands to allow for HI and QI
2159         mode values.
2160         (cmp_liw, liw_cmp): Likewise.  Plus fix order of operands in the
2161         instruction.
2162
2163 2011-02-15  H.J. Lu  <hongjiu.lu@intel.com>
2164
2165         PR middle-end/47725
2166         * combine.c (cant_combine_insn_p): Check zero/sign extended
2167         hard registers.
2168
2169 2011-02-15  Richard Guenther  <rguenther@suse.de>
2170
2171         PR tree-optimization/47743
2172         * tree-ssa-pre.c (phi_translate_1): If we didn't get a value-number
2173         for a non-type-compatible VN lookup bail out.
2174
2175 2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>
2176
2177         * config/fr30/constraints.md: New file.
2178         * config/fr30/fr30.md: Include it.
2179         * config/fr30/fr30.h (REG_CLASS_FROM_LETTER): Delete.
2180         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2181         (EXTRA_CONSTRAINT): Delete.
2182
2183 2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>
2184
2185         * config/frv/constraints.md: New file.
2186         * config/frv/predicates.md: Include it.
2187         * config/frv/frv.c (reg_class_from_letter): Delete.
2188         (frv_option_override): Don't initialize it.
2189         * config/frv/frv.h (REG_CLASS_FROM_LETTER): Delete.
2190         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K): Delete.
2191         (CONST_OK_FOR_L, CONST_OK_FOR_M, CONST_OK_FOR_N): Delete.
2192         (CONST_OK_FOR_O, CONST_OK_FOR_P, CONST_OK_FOR_LETTER_P): Delete.
2193         (CONST_DOUBLE_OK_FOR_G, CONST_DOUBLE_OK_FOR_H): Delete.
2194         (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2195         (EXTRA_CONSTRAINT_FOR_Q, EXTRA_CONSTRAINT_FOR_R): Delete.
2196         (EXTRA_CONSTRAINT_FOR_S, EXTRA_CONSTRAINT_FOR_T): Delete.
2197         (EXTRA_CONSTRAINT_FOR_U, EXTRA_CONSTRAINT): Delete.
2198         (EXTRA_MEMORY_CONSTRAINT, CONSTRAINT_LEN): Delete.
2199         (REG_CLASS_FROM_CONSTRAINT): Delete.
2200
2201 2011-02-15  Jakub Jelinek  <jakub@redhat.com>
2202
2203         PR middle-end/47581
2204         * config/i386/i386.c (ix86_compute_frame_size): Don't align offset
2205         if frame size is 0 in a leaf function.
2206
2207 2011-02-15  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2208
2209         PR pch/14940
2210         * config/alpha/host-osf.c: New file.
2211         * config/alpha/x-osf: New file.
2212         * config.host (alpha*-dec-osf*): Use it.
2213
2214 2011-02-14  Anatoly Sokolov  <aesok@post.ru>
2215
2216         * config/rx/rx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
2217         * config/rx/rx-protos.h (rx_is_mode_dependent_addr): Remove.
2218         * config/xtensa/xtensa.c (rx_is_mode_dependent_addr): Rename to...
2219         (rx_mode_dependent_address_p): ...this. Make static. Change argument
2220         type to const_rtx.
2221         (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
2222
2223 2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>
2224
2225         * config/stormy16/constraints.md: New file.
2226         * config/stormy16/predicates.md (nonimmediate_nonstack_operand):
2227         Use satisfies_constraint_Q and satisfies_constraint_R.
2228         * config/stormy16/stomry16-protos.h (xstormy16_extra_constraint_p):
2229         Delete.
2230         (xstormy16_legitiamte_address_p): Declare.
2231         * config/stormy16/stormy16.h (REG_CLASS_FROM_LETTER): Delete.
2232         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2233         (EXTRA_CONSTRAINT): Delete.
2234         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
2235         Un-staticize.
2236         (xstormy16_extra_constraint_p): Delete.
2237
2238 2011-02-14  Eric Botcazou  <ebotcazou@adacore.com>
2239
2240         PR tree-optimization/46494
2241         * loop-unroll.c (split_edge_and_insert): Adjust comment.
2242         * loop-init.c (loop_optimizer_finalize): Do not call verify_flow_info.
2243         (pass_rtl_loop_done): Add TODO_verify_flow.
2244         * fwprop.c (pass_rtl_fwprop): Likewise.
2245         * modulo-sched.c (pass_sms): Likewise.
2246         * tree-ssa-dom.c (pass_dominator): Likewise.
2247         * tree-ssa-loop-ch.c (pass_ch): Likewise.
2248         * tree-ssa-loop.c (pass_complete_unrolli): Likewise.
2249         (pass_tree_loop_done): Likewise.
2250         * tree-ssa-pre.c (execute_pre): Likewise.
2251         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
2252         * tree-ssa-sink.c (pass_sink_code): Likewise.
2253         * tree-vrp.c (pass_vrp): Likewise.
2254
2255 2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>
2256
2257         * config/v850/constraints.md: New file.
2258         * config/v850/v850.md: Include it.
2259         * config/v850/predicates.md (reg_or_0_operand): Use
2260         satisfies_constraint_G.
2261         (special_symbolref_operand): Use satisfies_constraint_K.
2262         * config/v850/v850.h (CONSTANT_ADDRESS_P): Use constraint_satisfied_p.
2263         (GO_IF_LEGITIMATE_ADDRESS): Likewise.
2264         (REG_CLASS_FROM_LETTER, INT_7_BITS, INT_8_BITS): Delete.
2265         (CONST_OK_FOR_P, CONST_OK_FOR_LETTER_P): Delete.
2266         (EXTRA_CONSTRAINT): Delete.
2267         (CONST_OK_FOR_I, CONST_OK_FOR_J): Use insn_const_int_ok_for_constraint.
2268         (CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M): Likewise.
2269         (CONST_OK_FOR_N, CONST_OK_FOR_O): Likewise.
2270
2271 2011-02-14  Anatoly Sokolov  <aesok@post.ru>
2272
2273         PR target/47696
2274         * config/avr/avr-devices.c (avr_mcu_types): Fix ATmega2560 device
2275         description.
2276
2277 2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>
2278
2279         * config/mcore/constraints.md: New file.
2280         * config/mcore/mcore.md: Include it.
2281         * config/mcore/mcore.c (reg_class_from_letter): Delete.
2282         * config/mcore/mcore.h (reg_class_from_letter): Delete.
2283         (REG_CLASS_FROM_LETTER): Delete.
2284         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_L): Use
2285         insn_const_int_ok_for_constraint.
2286         (CONST_OK_FOR_K, CONST_OK_FOR_M, CONST_OK_FOR_N): Likewise.
2287         (CONST_OK_FOR_O, CONST_OK_FOR_P): Likewise.
2288         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2289         (EXTRA_CONSTRAINT): Delete.
2290
2291 2011-02-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2292
2293         PR ada/41929
2294         * config/sparc/sol2-unwind.h: Include <sys/frame.h>, <sys/stack.h>
2295         (IS_SIGHANDLER): Define.
2296         (sparc64_is_sighandler): New function, split off from
2297         sparc64_fallback_frame_state.
2298         (sparc_is_sighandler): New function, split off from
2299         sparc_fallback_frame_state.
2300         (sparc64_fallback_frame_state): Merge with ...
2301         (sparc_fallback_frame_state): ... this into ...
2302         (MD_FALLBACK_FRAME_STATE_FOR): ... this.
2303         Change new_cfa to long.  Remove regs_off, fpu_save_off, fpu_save.
2304         Define nframes, mctx.  Use IS_SIGHANDLER, handler_args, mctx, walk
2305         stack instead of hardcoded offsets.
2306
2307 2011-02-14  Andriy Gapon  <avg@freebsd.org>
2308
2309         PR target/45808
2310         * config/freebsd-spec.h (FBSD_LIB_SPEC): Handle the shared case.
2311
2312 2011-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2313
2314         * configure: Regenerate.
2315
2316 2011-02-12  Joseph Myers  <joseph@codesourcery.com>
2317
2318         PR driver/45731
2319         * gcc.c (asm_options): Correct spec matching --target-help.
2320
2321 2011-02-12  Martin Jambor  <mjambor@suse.cz>
2322
2323         * tree-cfg.c (verify_gimple_call): Return true upon invalid argument
2324         to gimple call error.
2325
2326 2011-02-12  Mike Stump  <mikestump@comcast.net>
2327
2328         * config/frv/frv.h (TRANSFER_FROM_TRAMPOLINE): Canonicalize
2329         comments in backslash regions.
2330
2331 2011-02-12  Mike Stump  <mikestump@comcast.net>
2332             Jakub Jelinek  <jakub@redhat.com>
2333             Iain Sandoe  <iains@gcc.gnu.org>
2334
2335         PR target/47324
2336         * dwarf2out.c (output_cfa_loc): When required, apply the
2337         DWARF2_FRAME_REG_OUT macro to adjust register numbers.
2338         (output_loc_sequence): Likewise.
2339         (output_loc_operands_raw): Likewise.
2340         (output_loc_sequence_raw): Likewise.
2341         (output_cfa_loc): Likewise.
2342         (output_loc_list): Suppress register number adjustment when
2343         calling output_loc_sequence()
2344         (output_die): Likewise.
2345
2346 2011-02-12  Anatoly Sokolov  <aesok@post.ru>
2347
2348         * config/xtensa/xtensa.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST):
2349         Remove macros.
2350         * config/xtensa/xtensa.c (xtensa_register_move_cost,
2351         xtensa_memory_move_cost): New functions.
2352         (TARGET_REGISTER_MOVE_COST, TARGET_REGISTER_MOVE_COST): Define.
2353
2354 2011-02-12  Alexandre Oliva  <aoliva@redhat.com>
2355
2356         PR lto/47225
2357         * configure.ac (gcc_cv_lto_plugin): Test for liblto_plugin.la
2358         in the current directory.
2359         * configure: Rebuilt.
2360
2361 2011-02-12  Iain Sandoe  <iains@gcc.gnu.org>
2362
2363         * config/darwin.c (darwin_override_options): Add a hunk missed
2364         from the commit of r168571.  Trim comment line lengths and
2365         correct indents of the preceding block.
2366
2367 2011-02-12  Iain Sandoe  <iains@gcc.gnu.org>
2368
2369         * gcc.c (driver_handle_option): Concatenate the argument to -F with
2370         the switch.
2371
2372 2011-02-11  Joseph Myers  <joseph@codesourcery.com>
2373
2374         * common.opt (nostartfiles): New Driver option.
2375
2376 2011-02-11  Xinliang David Li  <davidxl@google.com>
2377
2378         PR tree-optimization/47707
2379         * tree-chrec.c (convert_affine_scev): Keep type precision.
2380
2381 2011-02-11  Eric Botcazou  <ebotcazou@adacore.com>
2382
2383         PR tree-optimization/47420
2384         * ipa-split.c (visit_bb): Punt on any kind of GIMPLE_RESX.
2385
2386 2011-02-11  Pat Haugen  <pthaugen@us.ibm.com>
2387
2388         PR rtl-optimization/47614
2389         * rtl.h (check_for_inc_dec): Declare.
2390         * dse.c (check_for_inc_dec): Externalize...
2391         * postreload.c (reload_cse_simplify): ...use it before deleting stmt.
2392         (reload_cse_simplify_operands): Don't simplify opnds with side effects.
2393
2394 2011-02-11  Joseph Myers  <joseph@codesourcery.com>
2395
2396         PR driver/47678
2397         * gcc.c (main): Do not compile inputs if there were errors in
2398         option handling.
2399         * opts-common.c (read_cmdline_option): Check for wrong language
2400         after other error checks.
2401
2402 2011-02-11  Nathan Froyd  <froydnj@codesourcery.com>
2403
2404         * cgraph.c: Fix comment typos.
2405         * cgraph.h: Likewise.
2406         * cgraphunit.c: Likewise.
2407         * ipa-cp.c: Likewise.
2408         * ipa-inline.c: Likewise.
2409         * ipa-prop.c: Likewise.
2410         * ipa-pure-const.c: Likewise.
2411         * ipa-ref.c: Likewise.
2412         * ipa-reference.c: Likewise.
2413
2414 2011-02-11  Jakub Jelinek  <jakub@redhat.com>
2415
2416         PR debug/47684
2417         * tree-predcom.c (single_nonlooparound_use): Ignore debug uses.
2418
2419 2011-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2420
2421         PR testsuite/47400
2422         * doc/sourcebuild.texi (Require Support): Document
2423         dg-require-ascii-locale.
2424
2425 2011-02-11  Mingjie Xing  <mingjie.xing@gmail.com>
2426
2427         * doc/lto.texi (Write summary): Fix missing parentheses.
2428
2429 2011-02-10  DJ Delorie  <dj@redhat.com>
2430
2431         * config/m32c/m32c.c (m32c_option_override): Disable
2432         -fcombine-stack-adjustments until flag value tracking and compare
2433         optimization can be rewritten.
2434
2435 2011-02-10  Peter Bergner  <bergner@vnet.ibm.com>
2436
2437         * config/rs6000/linux64.h (PROCESSOR_DEFAULT): Change to
2438         PROCESSOR_POWER7.
2439         (PROCESSOR_DEFAULT64): Likewise.
2440
2441 2011-02-10  Richard Henderson  <rth@redhat.com>
2442
2443         * config/rx/predicates.md (rx_zs_comparison_operator): Revert
2444         change from 2011-02-03.
2445         * config/rx/rx.c (flags_from_code): Likewise.
2446         (rx_print_operand) ['B']: For LT/GE, use lt/ge if overflow flag
2447         is valid, n/pz otherwise.
2448         (rx_select_cc_mode): Return CCmode if Y is not zero.
2449
2450 2011-02-10  Richard Guenther  <rguenther@suse.de>
2451
2452         * tree-ssa-structalias.c (bitpos_of_field): Use BITS_PER_UNIT, not 8.
2453
2454 2011-02-10  Richard Guenther  <rguenther@suse.de>
2455
2456         PR tree-optimization/47677
2457         * tree-vrp.c (vrp_bitmap_equal_p): Fix comparison of empty bitmaps.
2458
2459 2011-02-10  Jakub Jelinek  <jakub@redhat.com>
2460
2461         PR target/47665
2462         * combine.c (make_compound_operation): Only change shifts into
2463         multiplication for SCALAR_INT_MODE_P.
2464
2465 2011-02-10  Jie Zhang  <jie@codesourcery.com>
2466
2467         PR testsuite/47622
2468         Revert
2469         2011-02-05  Jie Zhang  <jie@codesourcery.com>
2470         PR debug/42631
2471         * web.c (entry_register): Don't clobber the number of the
2472         first uninitialized reference in used[].
2473
2474 2011-02-09  Richard Guenther  <rguenther@suse.de>
2475
2476         PR tree-optimization/47664
2477         * ipa-inline.c (cgraph_decide_inlining_incrementally): Visit
2478         all edges again.
2479
2480 2011-02-09  David Edelsohn  <dje.gcc@gmail.com>
2481
2482         PR target/46481
2483         PR target/47032
2484         * config/rs6000/aix61.h (PROCESSOR_DEFAULT): Change to
2485         PROCESSOR_POWER7.
2486         (PROCESSOR_DEFAULT64): Same.
2487         (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Delete.
2488
2489 2011-02-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2490
2491         * config/mips/iris6.h (TARGET_C99_FUNCTIONS): Define.
2492
2493 2011-02-09  Martin Jambor  <mjambor@suse.cz>
2494
2495         PR middle-end/45505
2496         * tree-sra.c (struct access): New flags grp_scalar_read and
2497         grp_scalar_write.  Changed description of assignment read and write
2498         flags.
2499         (dump_access): Dump new flags, reorder all of them.
2500         (sort_and_splice_var_accesses): Set the new flag accordingly, use them
2501         to detect multiple scalar reads.
2502         (analyze_access_subtree): Use the new scalar read write flags instead
2503         of the old flags.  Adjusted comments.
2504
2505 2011-02-08  DJ Delorie  <dj@redhat.com>
2506
2507         PR target/47548
2508         * config/m32c/m32c.c (m32c_subreg): Don't try to validate interim
2509         patterns.
2510
2511 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
2512
2513         * config/m68k/uclinux.opt: New.
2514         * config.gcc (m68k-*-uclinux*): Use m68k/uclinux.opt.
2515
2516 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
2517
2518         * config/cris/elf.opt (sim): New Driver option.
2519
2520 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
2521
2522         * config/xtensa/elf.opt: New.
2523         * config.gcc (xtensa*-*-elf*): Use xtensa/elf.opt.
2524
2525 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
2526
2527         * config/vax/elf.opt: New.
2528         * config.gcc (vax-*-linux*, vax-*-netbsdelf*): Use vax/elf.opt.
2529
2530 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
2531
2532         * config/rs6000/aix64.opt (posix, pthread): New Driver options.
2533
2534 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
2535
2536         * config/gnu-user.opt: New.
2537         * config.gcc (*-*-linux* | frv-*-*linux* | *-*-kfreebsd*-gnu |
2538         *-*-knetbsd*-gnu | *-*-gnu* | *-*-kopensolaris*-gnu,
2539         *-*-uclinux*): Use gnu-user.opt.
2540
2541 2011-02-08  Thomas Schwinge  <thomas@schwinge.name>
2542
2543         * config/gnu.h (CPP_SPEC, LIB_SPEC): Remove handling of -bsd option.
2544         * config/i386/gnu.h (CPP_SPEC): Likewise.
2545
2546 2011-02-08  Ian Lance Taylor  <iant@google.com>
2547
2548         * common.opt (fcx-limited-range): Add SetByCombined flag.
2549         (ffinite-math-only, fmath-errno, frounding-math): Likewise.
2550         (fsignaling-nans, fsigned-zeros, ftrapping-math): Likewise.
2551         (fassociative-math, freciprocal-math): Likewise.
2552         (funsafe-math-optimizations): Likewise.
2553         * opth-gen.awk: Handle SetByCombined.
2554         * optc-gen.awk: Likewise.
2555         * opts.c (set_fast_math_flags): Don't override flag if set by frontend.
2556         (set_unsafe_math_optimizations_flags): Likewise.
2557         * doc/options.texi (Option properties): Document SetByCombined.
2558
2559 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
2560
2561         * config.gcc (arc-*, alpha*-*-gnu*, arm*-*-netbsd*, arm-*-pe*,
2562         i[34567]86-*-interix3*, i[34567]86-*-netbsd*, i[34567]86-*-pe,
2563         m68hc11-*-*, m6811-*-*, m68hc12-*-*, m6812-*-*,
2564         m68k-*-uclinuxoldabi*, mcore-*-pe*, powerpc*-*-gnu*,
2565         sh*-*-symbianelf*, vax-*-netbsd*): Mark obsolete.
2566
2567 2011-02-08  Sebastian Pop  <sebastian.pop@amd.com>
2568
2569         PR tree-optimization/46834
2570         PR tree-optimization/46994
2571         PR tree-optimization/46995
2572         * graphite-sese-to-poly.c (used_outside_reduction): New.
2573         (detect_commutative_reduction): Call used_outside_reduction.
2574         (rewrite_commutative_reductions_out_of_ssa_close_phi): Call
2575         translate_scalar_reduction_to_array only when at least one
2576         loop-phi/close-phi tuple has been detected.
2577
2578 2011-02-08  Richard Guenther  <rguenther@suse.de>
2579
2580         PR middle-end/47639
2581         * tree-vect-generic.c (expand_vector_operations_1): Update
2582         stmts here ...
2583         (expand_vector_operations): ... not here.  Cleanup EH info
2584         and the CFG if required.
2585
2586 2011-02-08  Richard Guenther  <rguenther@suse.de>
2587
2588         PR tree-optimization/47641
2589         * tree-ssa.c (execute_update_addresses_taken): For asm outputs
2590         require type compatibility.
2591
2592 2011-02-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2593
2594         * gimple-low.c (lower_function_body): Don't remove the location of
2595         the return statement here.
2596         (lower_gimple_return): Do it here instead but only if the return
2597         statement is actually used twice.
2598
2599 2011-02-08  Richard Guenther  <rguenther@suse.de>
2600
2601         PR tree-optimization/47632
2602         * tree-ssa-forwprop.c (remove_prop_source_from_use): Remove
2603         unused up_to_stmt parameter, return whether cfg-cleanup is
2604         necessary, remove EH info properly.
2605         (forward_propagate_into_gimple_cond): Adjust caller.
2606         (forward_propagate_into_cond): Likewise.
2607         (forward_propagate_comparison): Likewise.
2608         (tree_ssa_forward_propagate_single_use_vars): Make
2609         forward_propagate_comparison case similar to the two others.
2610
2611 2011-02-08  Nick Clifton  <nickc@redhat.com>
2612
2613         * config/mn10300/mn10300.opt (mliw): New command line option.
2614         * config/mn10300/mn10300.md (UNSPEC_LIW): New unspec.
2615         (liw_bundling): New automaton.
2616         (liw): New attribute.
2617         (liw_op): New attribute.
2618         (liw_op1, liw_op2, liw_both, liw_either): New reservations.
2619         (movsi_internal): Add LIW attributes.
2620         (andsi3): Likewise.
2621         (iorsi3): Likewise.
2622         (xorsi3): Likewise.
2623         (addsi3): Separate register and immediate alternatives.
2624         Add LIW attributes.
2625         (subsi3): Likewise.
2626         (cmpsi): Likewise.
2627         (aslsi3): Likewise.
2628         (lshrsi3): Likewise.
2629         (ashrsi3): Likewise.
2630         (liw): New pattern.
2631         * config/mn10300/mn10300.c (liw_op_names): New
2632         (mn10300_print_operand): Handle 'W' operand descriptor.
2633         (extract_bundle): New function.
2634         (check_liw_constraints): New function.
2635         (liw_candidate): New function.
2636         (mn10300_bundle_liw): New function.
2637         (mn10300_reorg): New function.
2638         (TARGET_MACHINE_DEPENDENT_REORG): Define.
2639         (TARGET_DEFAULT_TARGET_FLAGS): Add MASK_ALLOW_LIW.
2640         * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Define
2641         __LIW__ or __NO_LIW__.
2642         * doc/invoke.texi: Describe the -mliw command line option.
2643
2644 2011-02-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2645
2646         * config.gcc (hppa[12]*-*-hpux11*): Don't set extra_parts.
2647         * config/pa/stublib.c (pthread_default_stacksize_np, pthread_mutex_lock,
2648         pthread_mutex_unlock): Remove.
2649         * config/pa/t-pa-hpux11: Remove rules to build pthread stubs.
2650         * config/pa/t-pa64: Likewise.
2651         * config/pa/pa64-hpux.h (LIB_SPEC): In static links, link against
2652         shared libc if not linking against libpthread.
2653         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2654
2655 2011-02-07  Iain Sandoe  <iains@gcc.gnu.org>
2656
2657         PR target/47558
2658         * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Put -lSystem first
2659         on 10.6 and later to ensure that we always use the unwinder from
2660         the system.  Only add -no_compact_unwind when tarteting darwin
2661         10.6 or later.
2662
2663 2011-02-07  Steve Ellcey  <sje@cup.hp.com>
2664
2665         PR target/46997
2666         * vect.md (vec_interleave_highv2sf): Change fmix for TARGET_BIG_ENDIAN.
2667         (vec_interleave_lowv2sf): Ditto.
2668         (vec_extract_evenv2sf): Add TARGET_BIG_ENDIAN check.
2669         (vec_extract_oddv2sf): Ditto.
2670
2671 2011-02-07  Mike Stump  <mikestump@comcast.net>
2672
2673         PR target/42333
2674         Add __ieee_divdc3 entry point.
2675         * config/i386/darwin.h (DECLARE_LIBRARY_RENAMES): Retain ___divdc3
2676         entry point.
2677         (SUBTARGET_INIT_BUILTINS): Call darwin_rename_builtins.
2678         * config/i386/i386.c (TARGET_INIT_LIBFUNCS): Likewise.
2679         * config/darwin.c (darwin_rename_builtins): Add.
2680         * config/darwin-protos.h (darwin_rename_builtins): Add.
2681
2682 2011-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
2683
2684         PR target/47636
2685         * config/rs6000/rs6000.md (rsqrt<mode>2): Use the correct macro
2686         for the condition.
2687
2688 2011-02-07  Mike Stump  <mikestump@comcast.net>
2689
2690         * config/darwin.opt (mmacosx-version-min): Update default OS version.
2691
2692 2011-02-07  Denis Chertykov  <chertykov@gmail.com>
2693
2694         PR target/47534
2695         * config/avr/libgcc.S (exit): Move .endfunc
2696
2697 2011-02-07  Richard Guenther  <rguenther@suse.de>
2698
2699         PR tree-optimization/47615
2700         * tree-ssa-sccvn.h (run_scc_vn): Take a vn-walk mode argument.
2701         * tree-ssa-sccvn.c (default_vn_walk_kind): New global.
2702         (run_scc_vn): Initialize it.
2703         (visit_reference_op_load): Use it.
2704         * tree-ssa-pre.c (execute_pre): Use VN_WALK if in PRE.
2705
2706 2011-02-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2707
2708         * config/spu/spu.c (spu_init_libfuncs): Install SImode and
2709         DImode trapping arithmetic libfuncs.
2710
2711 2011-02-07  Richard Guenther  <rguenther@suse.de>
2712
2713         PR tree-optimization/47621
2714         * tree-ssa.c (non_rewritable_lvalue_p): New function, split out from
2715         two duplicates ...
2716         (execute_update_addresses_taken): ... here.  Make it more
2717         conservative in what we accept.
2718
2719 2011-02-06  Joseph Myers  <joseph@codesourcery.com>
2720
2721         * config/sparc/freebsd.h (ASM_SPEC): Define.
2722         * config/sparc/vxworks.h (ASM_SPEC): Define.
2723
2724 2011-02-06  Joseph Myers  <joseph@codesourcery.com>
2725
2726         * config/sparc/sol2-bi.h (CC1_SPEC): Remove %{sun4:} %{target:}.
2727
2728 2011-02-06  Steven Bosscher  <steven@gcc.gnu.org>
2729
2730         * doc/invoke.texi: Remove reference to compiler internals from
2731         user documentation.
2732
2733         * reg-notes.def: Remove REG_VALUE_PROFILE.
2734         * combine.c (distribute_notes): Do not handle REG_VALUE_PROFILE.
2735
2736 2011-02-05  Jakub Jelinek  <jakub@redhat.com>
2737
2738         PR middle-end/47610
2739         * varasm.c (default_section_type_flags): If decl is NULL,
2740         and name is .data.rel.ro or .data.rel.ro.local, set SECTION_RELRO bit.
2741
2742 2011-02-05  Jie Zhang  <jie@codesourcery.com>
2743
2744         PR debug/42631
2745         * web.c (entry_register): Don't clobber the number of the
2746         first uninitialized reference in used[].
2747
2748 2011-02-04  Sebastian Pop  <sebastian.pop@amd.com>
2749
2750         PR tree-optimization/46194
2751         * tree-data-ref.c (analyze_miv_subscript): Remove comment.
2752         (build_classic_dist_vector_1): Do not represent classic distance
2753         vectors when the access functions are variating in different loops.
2754
2755 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
2756
2757         * config/mips/iris6.opt: New.
2758         * config.gcc (mips-sgi-irix6.5*): Use mips/iris6.opt.
2759
2760 2011-02-04  Richard Henderson  <rth@redhat.com>
2761             Steve Ellcey  <sje@cup.hp.com>
2762
2763         PR target/46997
2764         * config/ia64/predicates.md (mux1_brcst_element): New.
2765         * config/ia64/ia64-protos.h (ia64_unpack_assemble): New.
2766         * config/ia64/ia64.c (ia64_unpack_assemble): New.
2767         (ia64_unpack_sign): New.
2768         (ia64_expand_unpack): Rewrite using new routines.
2769         (ia64_expand_widen_sum): Ditto.
2770         (ia64_expand_dot_prod_v8qi): Ditto.
2771         * config/ia64/vect.md (mulv8qi3): Rewrite to use new
2772         routines, add endian check.
2773         (pmpy2_even): Rename from pmpy2_r, add endian check.
2774         (pmpy2_odd): Rename from pmpy2_l, add endian check.
2775         (vec_widen_smult_lo_v4hi): Rewrite using new routines.
2776         (vec_widen_smult_hi_v4hi): Ditto.
2777         (vec_widen_umult_lo_v4hi): Ditto.
2778         (vec_widen_umult_hi_v4hi): Ditto.
2779         (mulv2si3): Change endian checks.
2780         (sdot_prodv4hi): Rewrite with new calls.
2781         (udot_prodv4hi): New.
2782         (vec_pack_ssat_v4hi): Add endian check.
2783         (vec_pack_usat_v4hi): Ditto.
2784         (vec_pack_ssat_v2si): Ditto.
2785         (max1_even): Rename from max1_r, add endian check.
2786         (max1_odd): Rename from max1_l, add endian check.
2787         (*mux1_rev): Format change.
2788         (*mux1_mix): Ditto.
2789         (*mux1_shuf): Ditto.
2790         (*mux1_alt): Ditto.
2791         (*mux1_brcst_v8qi): Use new predicate.
2792         (vec_extract_evenv8qi): Remove endian check.
2793         (vec_extract_oddv8qi): Ditto.
2794         (vec_interleave_lowv4hi): Format change.
2795         (vec_interleave_highv4hi): Ditto.
2796         (mix2_even): Rename from mix2_r, add endian check.
2797         (mix2_odd): Rename from mux2_l, add endian check.
2798         (*mux2): Fix mask setting for TARGET_BIG_ENDIAN.
2799         (vec_extract_evenodd_helper): Format change.
2800         (vec_extract_evenv4hi): Remove endian check.
2801         (vec_extract_oddv4hi): Remove endian check.
2802         (vec_interleave_lowv2si): Format change.
2803         (vec_interleave_highv2si): Format change.
2804         (vec_initv2si): Remove endian check.
2805         (vecinit_v2si): Add endian check.
2806         (reduc_splus_v2sf): Add endian check.
2807         (reduc_smax_v2sf): Ditto.
2808         (reduc_smin_v2sf): Ditto.
2809         (vec_initv2sf): Remove endian check.
2810         (fpack): Add endian check.
2811         (fswap): Add endian check.
2812         (vec_interleave_highv2sf): Add endian check.
2813         (vec_interleave_lowv2sf): Add endian check.
2814         (fmix_lr): Add endian check.
2815         (vec_setv2sf): Format change.
2816         (*vec_extractv2sf_0_be): Use shift to extract operand.
2817         (*vec_extractv2sf_1_be): New.
2818         (vec_pack_trunc_v4hi): Add endian check.
2819         (vec_pack_trunc_v2si): Format change.
2820
2821 2011-02-04  Jakub Jelinek  <jakub@redhat.com>
2822
2823         PR inline-asm/23200
2824         * tree-ssa-ter.c (is_replaceable_p): Add TER argument.  Don't
2825         do bb, locus and block comparison and disallow loads if it is not set.
2826         (stmt_is_replaceable_p): New function.
2827         (process_replaceable, find_replaceable_in_bb): Adjust is_replaceable_p
2828         callers.
2829         * expr.c (expand_expr_real_1) <case SSA_NAME>: If
2830         get_gimple_for_ssa_name try for EXPAND_INITIALIZER harder to use
2831         SSA_NAME_DEF_STMT.
2832         * tree-flow.h (stmt_is_replaceable_p): New prototype.
2833
2834 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
2835
2836         * config/rs6000/xilinx.opt: New.
2837         * config.gcc (powerpc-xilinx-eabi*): Use rs6000/xilinx.opt.
2838
2839 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
2840
2841         * config/mips/mips.opt (EB, EL, noasmopt): New Driver options.
2842
2843 2011-02-03  Anatoly Sokolov  <aesok@post.ru>
2844
2845         * config/xtensa/xtensa.h (PREFERRED_RELOAD_CLASS,
2846         PREFERRED_OUTPUT_RELOAD_CLASS): Remove.
2847         * config/xtensa/xtensa-protos.h (xtensa_preferred_reload_class,
2848         secondary_reload_info, xtensa_secondary_reload): Remove.
2849         * config/xtensa/xtensa.c (TARGET_PREFERRED_RELOAD_CLASS,
2850         TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.
2851         (xtensa_preferred_reload_class): Make static. Change return and
2852         'rclass' argument type to reg_class_t. Remove 'isoutput' argument.
2853         Use CONST_DOUBLE_P predicate.
2854         (xtensa_preferred_output_reload_class): New function.
2855         (xtensa_secondary_reload): Make static.
2856
2857 2011-02-03  Joseph Myers  <joseph@codesourcery.com>
2858
2859         * config/microblaze/microblaze.opt (Zxl-mode-bootstrap,
2860         Zxl-mode-executable, Zxl-mode-novectors, Zxl-mode-xilkernel,
2861         Zxl-mode-xmdstub, mxl-mode-xilkernel): New Driver options.
2862
2863 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
2864
2865         PR middle-end/31490
2866         * output.h (SECTION_RELRO): Define.
2867         (SECTION_MACH_DEP): Adjust.
2868         (get_variable_section): New prototype.
2869         * varpool.c (varpool_finalize_named_section_flags): New function.
2870         (varpool_assemble_pending_decls): Call it.
2871         * cgraph.h (varpool_finalize_named_section_flags): New prototype.
2872         * cgraphunit.c (cgraph_output_in_order): Call
2873         varpool_finalize_named_section_flags.
2874         * varasm.c (get_section): Allow section flags conflicts between
2875         relro and read-only sections if the section hasn't been declared yet.
2876         Set SECTION_OVERRIDE after diagnosing section type conflict.
2877         (get_variable_section): No longer static.
2878         (default_section_type_flags): Use SECTION_WRITE | SECTION_RELRO for
2879         readonly sections that need relocations.
2880         (decl_readonly_section_1): New function.
2881         (decl_readonly_section): Use it.
2882
2883         Revert:
2884         2010-11-17  Dinar Temirbulatov  <dtemirbulatov@gmail.com>
2885                     Steve Ellcey  <sje@cup.hp.com>
2886
2887         PR middle-end/31490
2888         * varasm.c (categorize_decl_for_section): Ignore reloc_rw_mask
2889         if section attribute used.
2890
2891 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
2892
2893         * config/darwin.h (SECTION_NO_ANCHOR): Remove.
2894         * config/darwin.c (SECTION_NO_ANCHOR): Define.
2895         (darwin_init_sections): Remove assertion.
2896
2897 2011-02-03  Nick Clifton  <nickc@redhat.com>
2898
2899         * config/rx/predicates.md (rx_zs_comparison_operator): Remove
2900         lt and ge.
2901         * config/rx/rx.md (abssi2_flags): Use CC_ZSmode rather than CC_ZSOmode.
2902         * config/rx/rx.c (rx_print_operand): Use "lt" and "ge" suffixes
2903         instead of "n" and "pz".
2904         (flags_from_code): LT and GE tests need CC_FLAG_O as well as
2905         CC_FLAG_S.
2906
2907 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
2908
2909         PR target/47312
2910         * expr.c (expand_expr_real_2) <case FMA_EXPR>: If target doesn't expand
2911         fma, expand FMA_EXPR as fma{,f,l} call.
2912
2913         PR lto/47274
2914         * lto-streamer-out.c (write_symbol): When writing kind and visibility,
2915         copy them into a unsigned char variable and pass address of it to
2916         lto_output_data_stream.
2917
2918         PR target/47564
2919         * toplev.c (target_reinit): Save and restore *crtl and regno_reg_rtx
2920         around backend_init_target and lang_dependent_init_target calls.
2921         * cgraphunit.c (cgraph_debug_gimple_stmt): New function.
2922         (verify_cgraph_node): Don't call set_cfun here.  Use
2923         cgraph_debug_gimple_stmt instead of debug_gimple_stmt.
2924         Set error_found for incorrectly represented calls to thunks.
2925
2926 2011-02-03  Alexandre Oliva  <aoliva@redhat.com>
2927
2928         PR debug/43092
2929         PR rtl-optimization/43494
2930         * rtl.h (for_each_inc_dec_fn): New type.
2931         (for_each_inc_dec): Declare.
2932         * rtlanal.c (struct for_each_inc_dec_ops): New type.
2933         (for_each_inc_dec_find_inc_dec): New fn.
2934         (for_each_inc_dec_find_mem): New fn.
2935         (for_each_inc_dec): New fn.
2936         * dse.c (struct insn_size): Remove.
2937         (replace_inc_dec, replace_inc_dec_mem): Remove.
2938         (emit_inc_dec_insn_before): New fn.
2939         (check_for_inc_dec): Use it, along with for_each_inc_dec.
2940         (canon_address): Pass mem modes to cselib_lookup.
2941         * cselib.h (cselib_lookup): Add memmode argument.  Adjust callers.
2942         (cselib_lookup_from_insn): Likewise.
2943         (cselib_subst_to_values): Likewise.
2944         * cselib.c (find_slot_memmode): New var.
2945         (cselib_find_slot): New fn.  Use it instead of
2946         htab_find_slot_with_hash everywhere.
2947         (entry_and_rtx_equal_p): Use find_slot_memmode.
2948         (autoinc_split): New fn.
2949         (rtx_equal_for_cselib_p): Rename and implement in terms of...
2950         (rtx_equal_for_cselib_1): ... this.  Take memmode, pass it on.
2951         Deal with autoinc.  Special-case recursion into MEMs.
2952         (cselib_hash_rtx): Likewise.
2953         (cselib_lookup_mem): Infer pmode from address mode.  Distinguish
2954         address and MEM modes.
2955         (cselib_subst_to_values): Add memmode, pass it on.
2956         Deal with autoinc.
2957         (cselib_lookup): Add memmode argument, pass it on.
2958         (cselib_lookup_from_insn): Add memmode.
2959         (cselib_invalidate_rtx): Discard obsolete push_operand handling.
2960         (struct cselib_record_autoinc_data): New.
2961         (cselib_record_autoinc_cb): New fn.
2962         (cselib_record_sets): Use it, along with for_each_inc_dec.  Pass MEM
2963         mode to cselib_lookup.  Reset autoinced REGs here instead of...
2964         (cselib_process_insn): ... here.
2965         * var-tracking.c (replace_expr_with_values, use_type): Pass MEM mode
2966         to cselib_lookup.
2967         (add_uses): Likewise, also to cselib_subst_to_values.
2968         (add_stores): Likewise.
2969         * sched-deps.c  (add_insn_mem_dependence): Pass mode to
2970         cselib_subst_to_values.
2971         (sched_analyze_1, sched_analyze_2): Likewise.  Adjusted.
2972         * gcse.c (do_local_cprop): Adjusted.
2973         * postreload.c (reload_cse_simplify_set): Adjusted.
2974         (reload_cse_simplify_operands): Adjusted.
2975         * sel-sched-dump (debug_mem_addr_value): Pass mode.
2976
2977 2011-02-03  Alexandre Oliva  <aoliva@redhat.com>
2978
2979         PR tree-optimization/45122
2980         * tree-ssa-loop-niter.c (number_of_iterations_exit): Don't make
2981         unsafe assumptions when there's more than one loop exit.
2982
2983 2011-02-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
2984
2985         PR target/47272
2986         * doc/extend.texi (PowerPC AltiVec/VSX Built-in Functions):
2987         Document using vector double with the load/store builtins, and
2988         that the load/store builtins always use Altivec instructions.
2989
2990         * config/rs6000/vector.md (vector_altivec_load_<mode>): New insns
2991         to use altivec memory instructions, even on VSX.
2992         (vector_altivec_store_<mode>): Ditto.
2993
2994         * config/rs6000/rs6000-protos.h (rs6000_address_for_altivec): New
2995         function.
2996
2997         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
2998         V2DF, V2DI support to load/store overloaded builtins.
2999
3000         * config/rs6000/rs6000-builtin.def (ALTIVEC_BUILTIN_*): Add
3001         altivec load/store builtins for V2DF/V2DI types.
3002
3003         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
3004         set avoid indexed addresses on power6 if -maltivec.
3005         (altivec_expand_ld_builtin): Add V2DF, V2DI support, use
3006         vector_altivec_load/vector_altivec_store builtins.
3007         (altivec_expand_st_builtin): Ditto.
3008         (altivec_expand_builtin): Add VSX memory builtins.
3009         (rs6000_init_builtins): Add V2DI types to internal types.
3010         (altivec_init_builtins): Add support for V2DF/V2DI altivec
3011         load/store builtins.
3012         (rs6000_address_for_altivec): Insure memory address is appropriate
3013         for Altivec.
3014
3015         * config/rs6000/vsx.md (vsx_load_<mode>): New expanders for
3016         vec_vsx_ld and vec_vsx_st.
3017         (vsx_store_<mode>): Ditto.
3018
3019         * config/rs6000/rs6000.h (RS6000_BTI_long_long): New type
3020         variables to hold long long types for VSX vector memory builtins.
3021         (RS6000_BTI_unsigned_long_long): Ditto.
3022         (long_long_integer_type_internal_node): Ditti.
3023         (long_long_unsigned_type_internal_node): Ditti.
3024
3025         * config/rs6000/altivec.md (UNSPEC_LVX): New UNSPEC.
3026         (altivec_lvx_<mode>): Make altivec_lvx use a mode iterator.
3027         (altivec_stvx_<mode>): Make altivec_stvx use a mode iterator.
3028
3029         * config/rs6000/altivec.h (vec_vsx_ld): Define VSX memory builtin
3030         short cuts.
3031         (vec_vsx_st): Ditto.
3032
3033 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
3034
3035         * config/pa/pa-hpux10.opt: New.
3036         * config/hpux11.opt (pthread): New Driver option.
3037         * config/pa/pa-hpux.opt (nolibdld, rdynamic): New Driver options.
3038         * config.gcc (hppa[12]*-*-hpux10*): Use pa/pa-hpux10.opt.
3039
3040 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
3041
3042         * config/ia64/vms.opt: New.
3043         * config.gcc (ia64-hp-*vms*): Use ia64/vms.opt.
3044
3045 2011-02-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
3046
3047         PR target/47580
3048         * config/rs6000/vsx.md (vsx_float<VSi><mode>2): Use
3049         gpc_reg_operand instead of vsx_register_operand to match rs6000.md
3050         generator functions.
3051         (vsx_floatuns<VSi><mode>2): Ditto.
3052         (vsx_fix_trunc<mode><VSi>2): Ditto.
3053         (vsx_fixuns_trunc<mode><VSi>2): Ditto.
3054
3055 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
3056
3057         * config/i386/djgpp.opt (posix): New Driver option.
3058
3059 2011-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
3060
3061         * config.gcc (*-*-freebsd[12], *-*-freebsd[12].*, *-*-freebsd*aout*):
3062         Move to the unsupported targets list.
3063
3064 2011-02-02  Peter Bergner  <bergner@vnet.ibm.com>
3065
3066         PR rtl-optimization/47525
3067         * df-scan.c: Update copyright years.
3068         (df_get_call_refs): Do not mark global registers as DF_REF_REG_USE
3069         and non-clobber DF_REF_REG_DEF for calls to const and pure functions.
3070
3071 2011-02-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3072
3073         * config/i386/sysv4.h (TARGET_VERSION): Remove.
3074         (SUBTARGET_RETURN_IN_MEMORY): Remove.
3075         (ASM_OUTPUT_ASCII): Remove.
3076         * config/i386/sol2.h (SUBTARGET_RETURN_IN_MEMORY): Remove #undef.
3077
3078 2011-02-02  Jeff Law  <law@redhat.com>
3079
3080         PR middle-end/47543
3081         * reload.c (find_reloads_address): Handle reg+d address where both
3082         components are invalid by reloading the entire address.
3083
3084 2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>
3085             Richard Guenther  <rguenther@suse.de>
3086
3087         PR tree-optimization/40979
3088         PR bootstrap/47044
3089         * passes.c (init_optimization_passes): After LIM call copy_prop
3090         and DCE to clean up.
3091         * tree-ssa-loop.c (pass_graphite_transforms): Add TODO_dump_func.
3092
3093 2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>
3094
3095         PR tree-optimization/47576
3096         PR tree-optimization/47555
3097         * doc/invoke.texi (scev-max-expr-complexity): Documented.
3098         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
3099         (PARAM_SCEV_MAX_EXPR_COMPLEXITY): Declared.
3100         * tree-scalar-evolution.c (follow_ssa_edge): Use
3101         PARAM_SCEV_MAX_EXPR_COMPLEXITY.
3102
3103 2011-02-02  Richard Guenther  <rguenther@suse.de>
3104
3105         PR tree-optimization/47566
3106         * builtins.c (builtin_save_expr): No SAVE_EXPR for SSA_NAMEs.
3107
3108 2011-02-02  Alexandre Oliva  <aoliva@redhat.com>
3109
3110         PR debug/47106
3111         PR debug/47402
3112         * tree-inline.c (declare_return_variable): Remove unused caller
3113         variable.
3114
3115         PR debug/47106
3116         PR debug/47402
3117         * tree-flow-inline.h (clear_is_used, is_used_p): New.
3118         * cfgexpand.c (account_used_vars_for_block): Use them.
3119         * tree-nrv.c (tree_nrv): Likewise.
3120         * tree-ssa-live.c (remove_unused_scope_block_p): Likewise.
3121         (dump_scope_block): Likewise.
3122         (remove_unused_locals): Likewise.
3123
3124         PR debug/47106
3125         PR debug/47402
3126         * tree-inline.c (declare_return_variable): Add result decl to
3127         local decls only once.
3128         * gimple-low.c (record_vars_into): Mark newly-created variables
3129         as referenced.
3130
3131 2011-02-02  Alexandre Oliva  <aoliva@redhat.com>
3132
3133         PR debug/47498
3134         PR debug/47501
3135         PR debug/45136
3136         PR debug/45130
3137         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
3138         debug insns.
3139         (no_real_insns_p, schedule_block, set_priorities): Drop special
3140         treatment of boundary debug insns.
3141         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
3142         * sched-ebb.c (schedule_ebbs): Adjust skipping of debug insns.
3143         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
3144         (BOUNDARY_DEBUG_INSN_P): Likewise.
3145         (SCHEDULE_DEBUG_INSN_P): Likewise.
3146         * sched-rgn.c (init_ready_list): Drop special treatment of
3147         boundary debug insns.
3148         * final.c (rest_of_clean_state): Clear notes' BB.
3149
3150 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
3151
3152         * config/openbsd.opt (assert=): New Driver option.
3153
3154 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
3155
3156         * config/i386/nto.opt: New.
3157         * config.gcc (i[34567]86-*-nto-qnx*): Use i386/nto.opt.
3158
3159 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
3160
3161         * config/i386/netware.opt: New.
3162         * config.gcc (i[3456x]86-*-netware*): Use i386/netware.opt.
3163
3164 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
3165
3166         * config/interix.opt (posix): New Driver option.
3167
3168 2011-02-01  DJ Delorie  <dj@redhat.com>
3169
3170         * config/m32c/m32c.h (PTRDIFF_TYPE): Remove extra definition.
3171
3172         * config/m32c/m32c.c (m32c_regno_reg_class): Return smallest reg
3173         class for A0/A1.
3174
3175 2011-02-01  Sebastian Pop  <sebastian.pop@amd.com>
3176
3177         PR tree-optimization/47561
3178         * toplev.c (process_options): Print the Graphite flags.  Add
3179         flag_loop_flatten to the list of options requiring Graphite.
3180
3181 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
3182
3183         * config/i386/cygming.opt (posix): New Driver option.
3184
3185 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
3186
3187         * config/arm/vxworks.opt: New.
3188         * config.gcc (arm-wrs-vxworks): Use arm/vxworks.opt.
3189
3190 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
3191
3192         * config/alpha/elf.opt: New.
3193         * config.gcc (alpha*-*-linux*, alpha*-*-gnu*, alpha*-*-freebsd*,
3194         alpha*-*-netbsd*, alpha*-*-openbsd*): Use alpha/elf.opt.
3195
3196 2011-02-01  Richard Guenther  <rguenther@suse.de>
3197
3198         PR tree-optimization/47559
3199         * tree-ssa-loop-im.c (can_sm_ref_p): Do not perform
3200         store-motion on references that can throw.
3201
3202 2011-02-01  Bernd Schmidt  <bernds@codesourcery.com>
3203
3204         * tree-dump.c (dump_option_value_info): Add entry for TDF_CSELIB.
3205         * tree-pass.h (TDF_CSELIB): New macro.
3206         * cselib.c (new_cselib_val, expand_loc, cselib_expand_value_rtx_1,
3207         cselib_lookup): Check for it rather than for TDF_DETAILS.
3208
3209 2011-02-01  H.J. Lu  <hongjiu.lu@intel.com>
3210
3211         PR driver/47547
3212         * lto-wrapper.c (run_gcc): Don't add -dumpdir if linker_output
3213         is HOST_BIT_BUCKET.
3214
3215         * opts.c (finish_options): Don't add x_aux_base_name if it is
3216         HOST_BIT_BUCKET.
3217
3218 2011-02-01  Richard Guenther  <rguenther@suse.de>
3219
3220         PR tree-optimization/47555
3221         Revert
3222         2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
3223
3224         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
3225
3226 2011-02-01  Sebastien Bourdeauducq  <sebastien@milkymist.org>
3227
3228         PR gcc/46692
3229         * config/lm32/t-lm32: Add multilib for all CPU options.
3230
3231 2011-02-01  Richard Guenther  <rguenther@suse.de>
3232
3233         PR tree-optimization/47541
3234         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
3235         sure to have a field at offset zero.
3236
3237 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
3238
3239         * config/arc/arc.opt (EB, EL): New Driver options.
3240
3241 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
3242
3243         * config/alpha/osf5.opt: New.
3244         * config.gcc (alpha*-dec-osf5.1*): Use alpha/osf5.opt.
3245
3246 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
3247
3248         * config/vms/vms.opt (map, mvms-return-codes): New Driver options.
3249
3250 2011-01-31  Sebastian Pop  <sebastian.pop@amd.com>
3251
3252         * common.opt (ftree-loop-linear): Use Alias to make it an alias of
3253         -floop-interchange.
3254         * invoke.texi (-ftree-loop-linear): Make it clear that this flag
3255         is an alias of -floop-interchange and that it requires the
3256         Graphite infrastructure.
3257         * tree-ssa-loop.c (gate_graphite_transforms): Do not set
3258         flag_loop_interchange based on the value of flag_tree_loop_linear.
3259
3260 2011-01-31  Jakub Jelinek  <jakub@redhat.com>
3261             Richard Guenther  <rguenther@suse.de>
3262
3263         PR tree-optimization/47538
3264         * tree-ssa-ccp.c (bit_value_binop_1): For uns computation use
3265         type instead of r1type, except for comparisons.  For right
3266         shifts and comparisons punt if there are mismatches in
3267         sizetype vs. non-sizetype types.
3268
3269 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3270
3271         * doc/sourcebuild.texi (Effective-Target Keywords): Document
3272         avx_runtime.
3273
3274 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3275
3276         * configure.ac (gcc_cv_ld_eh_frame_hdr): Update minimal Sun ld
3277         version number.
3278         * configure: Regenerate.
3279
3280 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3281
3282         * configure.ac (gcc_cv_ld_static_option): Define.
3283         (gcc_cv_ld_dynamic_option): Define.
3284         (gcc_cv_ld_static_dynamic): Tru64 UNIX support -noso/-so_archive
3285         instead.
3286         (HAVE_LD_STATIC_DYNAMIC): Update message.
3287         (LD_STATIC_OPTION): Define.
3288         (LD_DYNAMIC_OPTION): Define.
3289         * configure: Regenerate.
3290         * config.in: Regenerate.
3291         * gcc.c (init_spec) [USE_LIBUNWIND_EXCEPTIONS &&
3292         HAVE_LD_STATIC_DYNAMIC]: Use them.
3293
3294 2011-01-31  Nick Clifton  <nickc@redhat.com>
3295
3296         * config/rx/rx.c (rx_get_stack_layout): Only save call clobbered
3297         registers inside interrupt handlers if the handler is not a leaf
3298         function.
3299
3300 2011-01-31  Nick Clifton  <nickc@redhat.com>
3301
3302         * config/mn10300/mn10300.c (mn10300_regno_in_class_p): Check for
3303         reg_renumber returning an INVALID_REGNUM.
3304
3305 2011-01-31  Alexandre Oliva  <aoliva@redhat.com>
3306
3307         PR libgcj/44341
3308         * doc/install.texi: Document host options discarded when cross
3309         configuring target libraries.
3310
3311 2011-01-31  Alexandre Oliva  <aoliva@redhat.com>
3312
3313         Reverted:
3314         2011-01-25  Alexandre Oliva  <aoliva@redhat.com>
3315         PR debug/45136
3316         PR debug/45130
3317         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
3318         debug insns.
3319         (no_real_insns_p, schedule_block, set_priorities): Drop special
3320         treatment of boundary debug insns.
3321         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
3322         * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
3323         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
3324         (BOUNDARY_DEBUG_INSN_P): Likewise.
3325         (SCHEDULE_DEBUG_INSN_P): Likewise.
3326         * sched-rgn.c (init_ready_list): Drop special treatment of
3327         boundary debug insns.
3328         * final.c (rest_of_clean-state): Clear notes' BB.
3329
3330 2011-01-31  Alan Modra  <amodra@gmail.com>
3331
3332         * config/rs6000/rs6000.c (print_operand): Rearrange addends in
3333         toc relative expressions as we do in print_operand_address.
3334
3335 2011-01-30  Kazu Hirata  <kazu@codesourcery.com>
3336
3337         * doc/extend.texi: Follow spelling conventions.
3338         * doc/invoke.texi: Fix a typo.
3339
3340 2011-01-30  Joseph Myers  <joseph@codesourcery.com>
3341
3342         * config/hpux11.opt: New.
3343         * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*,
3344         ia64*-*-hpux*): Use hpux11.opt.
3345
3346 2011-01-30  Jonathan Yong  <jon_y@users.sourceforge.net>
3347
3348         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add t-dfprules
3349         to tmake_file.
3350
3351 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
3352
3353         * doc/install.texi (hppa-hp-hpux10): Remove references to HP
3354         support sites.
3355
3356 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
3357
3358         * doc/install.texi (Binaries): Remove outdated reference for
3359         Motorola 68HC11/68HC12 downloads.
3360
3361 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
3362
3363         * doc/extend.texi (Thread-Local): Adjust reference to Ulrich
3364         Drepper's paper.
3365
3366 2011-01-29  Jonathan Wakely  <jwakely.gcc@gmail.com>
3367
3368         PR bootstrap/47147
3369         * ginclude/stddef.h: Check for _X86_64_ANSI_H_ and _I386_ANSI_H_ as
3370         used by NetBSD.
3371
3372 2011-01-28  Ahmad Sharif  <asharif@google.com>
3373
3374         * value-prof.c (check_counter): Corrected error message.
3375
3376 2011-01-29  Jie Zhang  <jie@codesourcery.com>
3377
3378         * config/arm/arm.c (arm_legitimize_reload_address): New.
3379         * config/arm/arm.h (ARM_LEGITIMIZE_RELOAD_ADDRESS): Use
3380         arm_legitimize_reload_address.
3381         * config/arm/arm-protos.h (arm_legitimize_reload_address): Declare.
3382
3383 2011-01-28  Ian Lance Taylor  <iant@google.com>
3384
3385         * godump.c (go_define): Ignore macros whose definitions include
3386         two adjacent operands.
3387
3388 2011-01-28  Jakub Jelinek  <jakub@redhat.com>
3389
3390         PR target/42894
3391         * varasm.c (force_const_mem): Store copy of x in desc->constant
3392         instead of x itself.
3393         * expr.c (emit_move_insn): Add a copy of y_cst instead of y_cst
3394         itself into REG_EQUAL note.
3395
3396 2011-01-28  Joseph Myers  <joseph@codesourcery.com>
3397
3398         * config/freebsd.opt (posix, rdynamic): New Driver options.
3399
3400 2011-01-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3401
3402         * configure.ac (gcc_cv_ld_static_dynamic): IRIX 6 ld supports
3403         -Bstatic/-Bdynamic.
3404         * configure: Regenerate.
3405
3406 2011-01-27  Joseph Myers  <joseph@codesourcery.com>
3407
3408         * config/rs6000/sysv4.h (LIB_NETBSD_SPEC): Don't handle -profile.
3409         * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -profile.
3410
3411 2011-01-27  Anatoly Sokolov  <aesok@post.ru>
3412
3413         * config/s390/s390.h (PREFERRED_RELOAD_CLASS): Remove.
3414         * config/s390/s390-protos.h (s390_preferred_reload_class): Remove.
3415         * config/s390/s390.c (TARGET_PREFERRED_RELOAD_CLASS): Define.
3416         (s390_preferred_reload_class): Make static. Change return and
3417         'rclass' argument type to reg_class_t.
3418
3419 2011-01-27  Jan Hubicka  <jh@suse.cz>
3420
3421         PR middle-end/46949
3422         * cgraphunit.c (process_common_attributes): Fix use of remove_attribute.
3423         (process_function_and_variable_attributes): Check defined weakrefs.
3424
3425 2011-01-27  Martin Jambor  <mjambor@suse.cz>
3426
3427         PR tree-optimization/47228
3428         * tree-sra.c (sra_modify_assign): Use build_ref_for_model instead of
3429         build_ref_for_offset.
3430
3431 2011-01-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3432
3433         * config/spu/spu-elf.h (ASM_SPEC): Remove.
3434
3435 2011-01-26  Mikael Pettersson  <mikpe@it.uu.se>
3436
3437         PR rtl-optimization/46856
3438         * postreload.c (reload_combine_recognize_const_pattern): Do not
3439         separate cc0 setter and user on cc0 targets.
3440
3441 2011-01-26  Nicola Pero  <nicola.pero@meta-innovation.com>
3442
3443         PR c/43082
3444         * c-typeck.c (c_objc_common_truthvalue_conversion): If we are
3445         passed a VOID_TYPE expression, immediately emit an error and
3446         return error_mark_node.
3447
3448 2011-01-26  Jeff Law  <law@redhat.com>
3449
3450         PR rtl-optimization/47464
3451         * df-problems.c (can_move_insn_across): Use may_trap_or_fault_p
3452         rather than may_trap_p as needed.
3453
3454 2011-01-26  DJ Delorie  <dj@redhat.com>
3455
3456         PR rtl-optimization/46878
3457         * combine.c (insn_a_feeds_b): Check for the implicit cc0
3458         setter/user dependency as well.
3459
3460 2011-01-26  Eric Botcazou  <ebotcazou@adacore.com>
3461
3462         PR rtl-optimization/44469
3463         * cfgcleanup.c (try_optimize_cfg): Iterate in CFG layout mode too
3464         after removing trivially dead basic blocks.
3465
3466 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
3467
3468         * config/bfin/bfin.h (LINK_SPEC): Remove %{Qy:} %{!Qn:-Qy}.
3469         * config/frv/frv.h (LINK_SPEC): Likewise.
3470         * config/i386/netware.h (LINK_SPEC): Likewise.
3471         * config/m68k/linux.h (ASM_SPEC): Likewise.
3472         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
3473         * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
3474         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
3475         * config/sparc/linux.h (ASM_SPEC): Likewise.
3476         * config/sparc/linux64.h (ASM_SPEC): Likewise.
3477         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
3478
3479 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
3480
3481         * config/bfin/bfin.h (ASM_SPEC): Remove %{Ym,*}.
3482         * config/frv/frv.h (ASM_SPEC): Likewise.
3483         * config/m68k/linux.h (ASM_SPEC): Likewise.
3484         * config/pa/pa-linux.h (ASM_SPEC): Likewise.
3485         * config/rs6000/linux64.h (ASM_SPEC): Likewise.
3486         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
3487         * config/sparc/linux.h (ASM_SPEC): Likewise.
3488         * config/sparc/linux64.h (ASM_SPEC): Likewise.
3489         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
3490
3491 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
3492
3493         * config/bfin/bfin.h (LINK_SPEC): Remove %{YP,*}.
3494         * config/frv/frv.h (LINK_SPEC): Likewise.
3495         * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
3496
3497 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
3498
3499         * config/bfin/bfin.h (ASM_SPEC): Remove %{Yd,*}.
3500         * config/frv/frv.h (ASM_SPEC): Likewise.
3501         * config/i386/sol2-10.h (ASM_SPEC): Likewise.
3502         * config/m68k/linux.h (ASM_SPEC): Likewise.
3503         * config/pa/pa-linux.h (ASM_SPEC): Likewise.
3504         * config/rs6000/linux64.h (ASM_SPEC32): Likewise.
3505         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
3506         * config/sol2.h (ASM_SPEC): Remove comment about -Yd,.
3507         * config/sparc/linux.h (ASM_SPEC): Likewise.
3508         * config/sparc/linux64.h (ASM_SPEC): Likewise.
3509         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
3510         * config/sparc/sysv4.h (ASM_SPEC): Remove %{Yd,*}.
3511
3512 2011-01-26  Steve Ellcey  <sje@cup.hp.com>
3513
3514         PR target/46997
3515         * config/ia64/vect.md (mulv2si3): Enable and fix for TARGET_BIG_ENDIAN.
3516         (*mux2): Ditto.
3517         (vec_extract_evenodd_help): Ditto.
3518         (vec_extract_evenv4hi): Ditto.
3519         (vec_extract_oddv4hi): Ditto.
3520         (vec_interleave_lowv2si): Ditto.
3521         (vec_interleave_highv2si): Ditto.
3522         (vec_extract_evenv2si): Ditto.
3523         (vec_extract_oddv2si: Ditto.
3524         (vec_pack_trunc_v2si): Ditto.
3525
3526 2011-01-22  Jan Hubicka  <jh@suse.cz>
3527
3528         PR target/47237
3529         * cgraph.h (cgraph_local_info): New field can_change_signature.
3530         * ipa-cp.c (ipcp_update_callgraph): Only compute args_to_skip if callee
3531         signature can change.
3532         (ipcp_estimate_growth): Call sequence simplify only if calle signature
3533         can change.
3534         (ipcp_insert_stage): Only compute args_to_skip if signature can change.
3535         (cgraph_function_versioning): We can not change signature of functions
3536         that don't allow that.
3537         * lto-cgraph.c (lto_output_node): Stream local.can_change_signature.
3538         (lto_input_node): Likewise.
3539         * ipa-inline.c (compute_inline_parameters): Compute
3540         local.can_change_signature.
3541         * ipa-split.c (visit_bb): Never split away APPLY_ARGS.
3542         * tree-sra.c (ipa_sra_preliminary_function_checks): Give up on
3543         functions that can not change signature.
3544         * i386.c (ix86_function_regparm, ix86_function_sseregparm,
3545         init_cumulative_args): Do not use local calling conventions
3546         for functions that can not change signature.
3547
3548 2011-01-22  Jan Hubicka  <jh@suse.cz>
3549
3550         * doc/invoke.texi (hot-bb-frequency-fraction): Commit forgotten hunk.
3551
3552 2011-01-26  Richard Guenther  <rguenther@suse.de>
3553
3554         PR tree-optimization/47190
3555         * cgraphunit.c (process_common_attributes): New function.
3556         (process_function_and_variable_attributes): Use it.
3557
3558 2011-01-26  Richard Guenther  <rguenther@suse.de>
3559
3560         PR lto/47423
3561         * cgraphbuild.c (record_eh_tables): Record reference to personality
3562         function.
3563
3564 2011-01-26  Alexandre Oliva  <aoliva@redhat.com>
3565
3566         PR debug/45454
3567         * sel-sched.c (moveup_expr): Don't let debug insns prevent
3568         non-debug insns from moving up.
3569
3570 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
3571
3572         PR target/40125
3573         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Select suitable
3574         t-dlldir{,-x} fragment for build and add it to tmake_file.
3575         (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
3576         * Makefile.in (libgcc.mvars): Also export SHLIB_DLLDIR to libgcc.
3577         * config/i386/t-dlldir: New file.
3578         (SHLIB_DLLDIR): Define.
3579         * config/i386/t-dlldir-x: New file.
3580         (SHLIB_DLLDIR): Define.
3581         * config/i386/t-cygming: Error out if SHLIB_DLLDIR is not set.
3582         (SHLIB_INSTALL): Use it.
3583
3584 2011-01-26  Chung-Lin Tang  <cltang@codesourcery.com>
3585
3586         PR target/47246
3587         * config/arm/arm.c (thumb2_legitimate_index_p): Change the
3588         lower bound of the allowed Thumb-2 coprocessor load/store
3589         index range to -256. Add explaining comment.
3590
3591 2011-01-25  Ian Lance Taylor  <iant@google.com>
3592
3593         * godump.c (go_define): Improve lexing of macro expansion to only
3594         accept expressions which match Go spec.
3595
3596 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
3597
3598         PR c++/43601
3599         * tree.c (handle_dll_attribute): Handle it.
3600         * doc/extend.texi (@item dllexport): Mention it.
3601         * doc/invoke.texi (@item -fno-keep-inline-dllexport): Document it.
3602
3603 2011-01-25  Ian Lance Taylor  <iant@google.com>
3604
3605         PR tree-optimization/26854
3606         * c-decl.c (struct c_scope): Add field has_jump_unsafe_decl.
3607         (decl_jump_unsafe): Move higher in file, with no other change.
3608         (bind): Set has_jump_unsafe_decl if appropriate.
3609         (update_label_decls): Test has_jump_unsafe_decl to avoid loop.
3610         (check_earlier_gotos): Likewise.
3611         (c_check_switch_jump_warnings): Likewise.
3612
3613 2011-01-25  Jonathan Wakely  <jwakely.gcc@gmail.com>
3614
3615         * doc/invoke.texi (Warning Options): Add missing hyphen.
3616         (-fprofile-dir): Minor grammatical fixes.
3617         (-fbranch-probabilities): Likewise.
3618
3619 2011-01-25  Alexandre Oliva  <aoliva@redhat.com>
3620
3621         PR debug/45136
3622         PR debug/45130
3623         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
3624         debug insns.
3625         (no_real_insns_p, schedule_block, set_priorities): Drop special
3626         treatment of boundary debug insns.
3627         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
3628         * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
3629         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
3630         (BOUNDARY_DEBUG_INSN_P): Likewise.
3631         (SCHEDULE_DEBUG_INSN_P): Likewise.
3632         * sched-rgn.c (init_ready_list): Drop special treatment of
3633         boundary debug insns.
3634         * final.c (rest_of_clean-state): Clear notes' BB.
3635
3636 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3637
3638         * Makefile.in (LAMBDA_H): Removed.
3639         (TREE_DATA_REF_H): Remove dependence on LAMBDA_H.
3640         (OBJS-common): Remove dependence on lambda-code.o, lambda-mat.o,
3641         lambda-trans.o, and tree-loop-linear.o.
3642         (lto-symtab.o): Remove dependence on LAMBDA_H.
3643         (tree-loop-linear.o): Remove rule.
3644         (lambda-mat.o): Same.
3645         (lambda-trans.o): Same.
3646         (lambda-code.o): Same.
3647         (tree-vect-loop.o): Add missing dependence on TREE_DATA_REF_H.
3648         (tree-vect-slp.o): Same.
3649         * hwint.h (gcd): Moved here.
3650         (least_common_multiple): Same.
3651         * lambda-code.c: Removed.
3652         * lambda-mat.c: Removed.
3653         * lambda-trans.c: Removed.
3654         * lambda.h: Removed.
3655         * tree-loop-linear.c: Removed.
3656         * lto-symtab.c: Do not include lambda.h.
3657         * omega.c (gcd): Removed.
3658         * passes.c (init_optimization_passes): Remove pass_linear_transform.
3659         * tree-data-ref.c (print_lambda_vector): Moved here.
3660         (lambda_vector_copy): Same.
3661         (lambda_matrix_copy): Same.
3662         (lambda_matrix_id): Same.
3663         (lambda_vector_first_nz): Same.
3664         (lambda_matrix_row_add): Same.
3665         (lambda_matrix_row_exchange): Same.
3666         (lambda_vector_mult_const): Same.
3667         (lambda_vector_negate): Same.
3668         (lambda_matrix_row_negate): Same.
3669         (lambda_vector_equal): Same.
3670         (lambda_matrix_right_hermite): Same.
3671         * tree-data-ref.h: Do not include lambda.h.
3672         (lambda_vector): Moved here.
3673         (lambda_matrix): Same.
3674         (dependence_level): Same.
3675         (lambda_transform_legal_p): Removed declaration.
3676         (lambda_collect_parameters): Same.
3677         (lambda_compute_access_matrices): Same.
3678         (lambda_vector_gcd): Same.
3679         (lambda_vector_new): Same.
3680         (lambda_vector_clear): Same.
3681         (lambda_vector_lexico_pos): Same.
3682         (lambda_vector_zerop): Same.
3683         (lambda_matrix_new): Same.
3684         * tree-flow.h (least_common_multiple): Removed declaration.
3685         * tree-parloops.c (lambda_trans_matrix): Moved here.
3686         (LTM_MATRIX): Same.
3687         (LTM_ROWSIZE): Same.
3688         (LTM_COLSIZE): Same.
3689         (LTM_DENOMINATOR): Same.
3690         (lambda_trans_matrix_new): Same.
3691         (lambda_matrix_vector_mult): Same.
3692         (lambda_transform_legal_p): Same.
3693         * tree-pass.h (pass_linear_transform): Removed declaration.
3694         * tree-ssa-loop.c (tree_linear_transform): Removed.
3695         (gate_tree_linear_transform): Removed.
3696         (pass_linear_transform): Removed.
3697         (gate_graphite_transforms): Make flag_tree_loop_linear an alias of
3698         flag_loop_interchange.
3699
3700 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
3701
3702         PR tree-optimization/47265
3703         PR tree-optimization/47443
3704         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Return false
3705         if name still has some uses.
3706
3707 2011-01-25  Martin Jambor  <mjambor@suse.cz>
3708
3709         PR tree-optimization/47382
3710         * gimple-fold.c (gimple_fold_obj_type_ref_call): Removed.
3711         (gimple_fold_call): Do not call gimple_fold_obj_type_ref_call.
3712
3713 2011-01-25  Joel Sherrill  <joel.sherrill@oarcorp.com>
3714
3715         * config/m32r/m32r.c: Define TARGET_EXCEPT_UNWIND_INFO to
3716         sjlj_except_unwind_info.
3717
3718 2011-01-25  Richard Guenther  <rguenther@suse.de>
3719
3720         PR tree-optimization/47426
3721         * tree-ssa-structalias.c (ipa_pta_execute): Make externally
3722         visible functions results escape.
3723
3724 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
3725
3726         PR target/45701
3727         * config/arm/arm.c (any_sibcall_uses_r3): New function.
3728         (arm_get_frame_offsets): Use it.
3729
3730 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3731             Jakub Jelinek  <jakub@redhat.com>
3732
3733         PR tree-optimization/47271
3734         * tree-if-conv.c (bb_postdominates_preds): New.
3735         (if_convertible_bb_p): Call bb_postdominates_preds.
3736         (if_convertible_loop_p_1): Compute CDI_POST_DOMINATORS.
3737         (predicate_scalar_phi): Call bb_postdominates_preds.
3738
3739 2011-01-25  Nick Clifton  <nickc@redhat.com>
3740
3741         * config/rx/rx.h (LIBCALL_VALUE): Do not promote complex types.
3742         * config/rx/rx.c (rx_function_value): Likewise.
3743         (rx_promote_function_mode): Likewise.
3744         (gen_safe_add): Place an outsized immediate value inside an UNSPEC
3745         in order to make it legitimate.
3746         * config/rx/rx.md (adddi3_internal): If the second operand is a MEM
3747         make sure that the first operand is the same as the result register.
3748         (addsi3_unspec): Delete.
3749         (subdi3): Do not accept immediate operands.
3750         (subdi3_internal): Likewise.
3751
3752 2011-01-25  Jeff Law  <law@redhat.com>
3753
3754         PR rtl-optimization/37273
3755         * ira-costs.c (scan_one_insn): Detect constants living in memory and
3756         handle them like argument loads from stack slots.  Do not double
3757         count memory for memory constants and argument loads from stack slots.
3758
3759 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
3760
3761         PR tree-optimization/47427
3762         PR tree-optimization/47428
3763         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
3764         coalesce if the new root var would be TREE_READONLY.
3765
3766 2011-01-25  Richard Guenther  <rguenther@suse.de>
3767
3768         PR middle-end/47414
3769         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Use the
3770         correct type for TBAA.
3771
3772 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3773
3774         * graphite-sese-to-poly.c (dr_indices_valid_in_loop): New.
3775         (close_phi_written_to_memory): Call for_each_index with
3776         dr_indices_valid_in_loop.
3777
3778 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3779
3780         * graphite-sese-to-poly.c (new_pbb_from_pbb): Only copy PBB_DOMAIN
3781         when it is initialized.
3782
3783 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3784
3785         * graphite-scop-detection.c (stmt_has_simple_data_refs_p): Update
3786         call to graphite_find_data_references_in_stmt.
3787         * graphite-sese-to-poly.c (outermost_loop_in_sese_1): New.
3788         (try_generate_gimple_bb): Call outermost_loop_in_sese_1.  Update
3789         call to graphite_find_data_references_in_stmt.
3790         (analyze_drs_in_stmts): Same.
3791         * tree-data-ref.c (dr_analyze_indices): Pass in parameter the loop
3792         in which the scalar analysis of indices is performed.
3793         (create_data_ref): Same.  Update call to dr_analyze_indices.
3794         (find_data_references_in_stmt): Update call to create_data_ref.
3795         (graphite_find_data_references_in_stmt): Same.
3796         * tree-data-ref.h (graphite_find_data_references_in_stmt): Update
3797         declaration.
3798         (create_data_ref): Same.
3799         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Update
3800         call to create_data_ref.
3801
3802 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3803
3804         * graphite-sese-to-poly.c (build_poly_scop): Move
3805         rewrite_commutative_reductions_out_of_ssa before find_scop_parameters.
3806
3807 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3808
3809         * graphite-sese-to-poly.c (close_phi_written_to_memory): Also allow
3810         VAR_DECL, PARM_DECL, and RESULT_DECL.
3811
3812 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3813
3814         * graphite-dependences.c (reduction_dr_1): Allow several reductions
3815         in a reduction PBB.
3816         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split PBBs
3817         that have already been marked as PBB_IS_REDUCTION.
3818
3819 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3820
3821         * graphite-scop-detection.c (same_close_phi_node): New.
3822         (remove_duplicate_close_phi): New.
3823         (make_close_phi_nodes_unique): New.
3824         (canonicalize_loop_closed_ssa): Call make_close_phi_nodes_unique.
3825
3826 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3827
3828         * graphite-dependences.c (new_poly_ddr): Call same_pdr_p.
3829         * graphite-poly.h (same_pdr_p): Do not expect that the PDR_TYPE
3830         of both data references to be the same.
3831
3832 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3833
3834         * graphite-dependences.c (build_lexicographical_constraint): Remove
3835         the gdim parameter.
3836         (build_lexicographical_constraint): Adjust call to
3837         ppl_powerset_is_empty.
3838         (dependence_polyhedron): Same.
3839         (graphite_legal_transform_dr): Same.
3840         (graphite_carried_dependence_level_k): Same.
3841         * graphite-ppl.c (ppl_powerset_is_empty): Remove the nb_params
3842         parameter.
3843         * graphite-ppl.h (ppl_powerset_is_empty): Adjust declaration.
3844
3845 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3846
3847         * graphite-sese-to-poly.c
3848         (translate_scalar_reduction_to_array_for_stmt): Call unshare_expr.
3849         (close_phi_written_to_memory): New.
3850         (translate_scalar_reduction_to_array): Call close_phi_written_to_memory
3851         and unshare_expr.
3852
3853 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3854
3855         * doc/install.texi: Update the expected version number of PPL to 0.11.
3856         * graphite-ppl.c (ppl_powerset_is_empty): Remove now dead code under
3857         #if PPL_VERSION_MINOR < 11.
3858
3859 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3860
3861         * graphite-dependences.c: Include graphite-cloog-util.h.
3862         (new_poly_ddr): Inlined into dependence_polyhedron.
3863         (free_poly_ddr): Moved close by new_poly_ddr.
3864         (dependence_polyhedron_1): Renamed dependence_polyhedron.
3865         Early return NULL when ppl_powerset_is_empty returns true.
3866         (dependence_polyhedron): Renamed new_poly_ddr.  Call only once
3867         poly_drs_may_alias_p.  Avoid one call to ppl_powerset_is_empty.
3868         (graphite_legal_transform_dr): Call new_poly_ddr.
3869         (graphite_carried_dependence_level_k): Same.
3870         (dot_original_deps_stmt_1): Renamed dot_deps_stmt_2.  Use new_poly_ddr.
3871         (dot_transformed_deps_stmt_1): Removed.
3872         (dot_deps_stmt_1): Call dot_deps_stmt_2.
3873         (dot_original_deps): Renamed dot_deps_2.  Call new_poly_ddr.
3874         (dot_deps_1): Call dot_deps_2.
3875         * Makefile.in (graphite-dependences.o): Add missing dependence on
3876         graphite-cloog-util.h.
3877
3878 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3879
3880         * graphite-dependences.c (new_poly_dr): Call ppl_powerset_is_empty.
3881         (build_lexicographical_constraint): Same.
3882         (dependence_polyhedron_1): Same.
3883         (graphite_legal_transform_dr): Same.
3884         (graphite_carried_dependence_level_k): Same.
3885         * graphite-ppl.c (ppl_powerset_is_empty): New.
3886         * graphite-ppl.h (ppl_powerset_is_empty): Declared.
3887         * tree-data-ref.c (dump_data_reference): Print the basic block index.
3888
3889 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3890
3891         * graphite-dependences.c (build_pairwise_scheduling): Correctly compute
3892         the "a followed by b" relation and document it.
3893
3894 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3895
3896         * graphite-dependences.c (build_lexicographical_constraint): Stop the
3897         iteration when the bag of constraints is empty.
3898
3899 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3900
3901         * graphite-poly.c (pbb_remove_duplicate_pdrs): Make it work.
3902
3903 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3904
3905         * graphite-interchange.c (lst_interchange_profitable_p): Takes a loop
3906         nest and two loop depths as parameters.
3907         (lst_try_interchange_loops): Call lst_interchange_profitable_p after
3908         lst_perfect_nestify.
3909
3910 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3911
3912         * graphite-dependences.c (print_pddr): Call
3913         ppl_io_fprint_Pointset_Powerset_C_Polyhedron.
3914
3915 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
3916
3917         * graphite-ppl.c (debug_gmp_value): New.
3918         * graphite-ppl.h (debug_gmp_value): Declared.
3919
3920 2011-01-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3921
3922         * doc/install.texi: Document availability of cloog-0.16.
3923
3924 2011-01-25  Vladimir Kargov  <kargov@gmail.com>
3925
3926         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Free
3927         invalid postdominance info.
3928
3929 2011-01-24  Jan Hubicka  <jh@suse.cz>
3930
3931         PR c/21659
3932         * doc/extend.texi (weak pragma): Drop claim that it must
3933         appear before definition.
3934         * varasm.c (merge_weak, declare_weak): Only sanity check
3935         that DECL is not output at a time it is declared weak.
3936
3937 2011-01-24  Kenneth Zadeck  <zadeck@naturalbridge.com>
3938
3939         * machmode.def: Fixed comments.
3940
3941 2011-01-24  Kai Tietz  <kai.tietz@onevision.com>
3942
3943         * emit-rtl.c (reg_attrs_htab_hash): Replace long by intptr_t.
3944
3945 2011-01-24  Paul Koning  <ni1d@arrl.net>
3946
3947         * builtins.c (c_readstr): Fix byte order if BYTES_BIG_ENDIAN !=
3948         WORDS_BIG_ENDIAN.
3949
3950 2011-01-24  H.J. Lu  <hongjiu.lu@intel.com>
3951
3952         PR target/46519
3953         * config/i386/i386.c: Include sbitmap.h and fibheap.h.
3954         (block_info): Add scanned and prev.
3955         (move_or_delete_vzeroupper_2): Return if the basic block
3956         has been scanned and the upper 128bit state is unchanged
3957         from the last scan.
3958         (move_or_delete_vzeroupper_1): Return true if the exit
3959         state is changed.
3960         (move_or_delete_vzeroupper): Visit basic blocks using the
3961         work-list based algorithm based on vt_find_locations in
3962         var-tracking.c.
3963
3964         * config/i386/t-i386: Also depend on sbitmap.h and $(FIBHEAP_H).
3965
3966 2011-01-24  Nick Clifton  <nickc@redhat.com>
3967
3968         * config/v850/v850.opt (mv850es): New option - alias for -mv850e1.
3969         * config/v850/v850.h (ASM_SPEC): If -mv850es is specified pass
3970         -mv850e1 to the assembler.  If -mv850e1 or -mv850es is specified
3971         then define __v850e1__.
3972         * doc/invoke.texi: Document -mv850es.
3973
3974 2011-01-24  Richard Henderson  <rth@redhat.com>
3975
3976         * config/rx/predicates.md (rx_fp_comparison_operator): Don't accept
3977         compound unordered comparisons.
3978         * config/rx/rx.c (rx_split_fp_compare): Remove.
3979         * config/rx/rx-protos.h: Update.
3980         * config/rx/rx.md (gcc_conds, rx_conds): Remove.
3981         (cbranchsf4): Don't call rx_split_fp_compare.
3982         (*cbranchsf4): Use rx_split_cbranch.
3983         (*cmpsf): Don't accept "i" constraint.
3984         (*conditional_branch): Only valid after reload.
3985         (cstoresf4): Merge expander with insn.  Don't call rx_split_fp_compare.
3986
3987 2011-01-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
3988
3989         PR target/47385
3990         * config/rs6000/altivec.md (vector constant splitters): Add
3991         support for creating vector single precision constants if -mvsx is
3992         used and we would create the constant using Altivec primitives.
3993
3994 2011-01-23  Bernd Schmidt  <bernds@codesourcery.com>
3995             Richard Sandiford  <rdsandiford@googlemail.com>
3996
3997         PR rtl-optimization/47166
3998         * reload1.c (emit_reload_insns): Disable the spill_reg_store
3999         mechanism for PRE_MODIFY and POST_MODIFY.
4000         (inc_for_reload): For PRE_MODIFY, return the insn that sets the
4001         reloadreg.
4002
4003 2011-01-23  Andreas Schwab  <schwab@linux-m68k.org>
4004
4005         * compare-elim.c (maybe_select_cc_mode): Add ATTRIBUTE_UNUSED markers.
4006
4007 2011-01-22  Jan Hubicka  <jh@suse.cz>
4008
4009         PR lto/47333
4010         * lto-cgraph.c (reachable_from_this_partition_p): Fix pasto.
4011
4012 2011-01-22  Jan Hubicka  <jh@suse.cz>
4013
4014         PR tree-optimization/43884
4015         PR lto/44334
4016         * predict.c (maybe_hot_frequency_p): Use entry block frequency as base.
4017         * doc/invoke.texi (hot-bb-frequency-fraction): Update docs.
4018
4019 2011-01-22  Anatoly Sokolov  <aesok@post.ru>
4020
4021         * config/s390/s390.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
4022         * config/s390/s390.c (s390_register_move_cost,
4023         s390_memory_move_cost): New.
4024         (TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.
4025
4026 2011-01-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4027
4028         PR middle-end/47401
4029         * except.c (sjlj_assign_call_site_values): Move setting the
4030         crtl->uses_eh_lsda flag to ...
4031         (sjlj_mark_call_sites): ... here.
4032         (sjlj_emit_function_enter): Support NULL dispatch label.
4033         (sjlj_build_landing_pads): In a function with no landing pads
4034         that still has must-not-throw regions, generate code to register
4035         a personality function with empty LSDA.
4036
4037 2011-01-21  Richard Henderson  <rth@redhat.com>
4038
4039         * config/rx/rx.c (TARGET_FLAGS_REGNUM): New.
4040
4041         * config/mn10300/mn10300.c (TARGET_FLAGS_REGNUM): New.
4042
4043         * compare-elim.c: New file.
4044         * Makefile.in (OBJS-common): Add it.
4045         (compare-elim.o): New.
4046         * common.opt (fcompare-elim): New.
4047         * opts.c (default_options_table): Add OPT_fcompare_elim.
4048         * tree-pass.h (pass_compare_elim_after_reload): New.
4049         * passes.c (init_optimization_passes): Add it.
4050         * recog.h: Protect against re-inclusion.
4051         * target.def (TARGET_FLAGS_REGNUM): New POD hook.
4052         * doc/invoke.texi (-fcompare-elim): Document it.
4053         * doc/tm.texi.in (TARGET_FLAGS_REGNUM): Document it.
4054         * doc/tm.texi: Rebuild.
4055
4056 2011-01-22  Nick Clifton  <nickc@redhat.com>
4057
4058         * config/rx/rx.md (cstoresf4): Pass comparison operator to
4059         rx_split_fp_compare.
4060
4061 2011-01-22  Nick Clifton  <nickc@redhat.com>
4062
4063         * config/rx/rx.md (UNSPEC_CONST): New.
4064         (deallocate_and_return): Wrap the amount popped off the stack in
4065         an UNSPEC_CONST in order to stop it being rejected by
4066         -mmax-constant-size.
4067         (pop_and_return): Add a "(return)" rtx.
4068         (call): Drop the immediate operand.
4069         (call_internal): Likewise.
4070         (call_value): Likewise.
4071         (call_value_internal): Likewise.
4072         (sibcall_internal): Likewise.
4073         (sibcall_value_internal): Likewise.
4074         (sibcall): Likewise.  Generate an explicit call using
4075         sibcall_internal.
4076         (sibcall_value): Likewise.
4077         (mov<>): FAIL if a constant operand is not legitimate.
4078         (addsi3_unpsec): New pattern.
4079
4080         * config/rx/rx.c (rx_print_operand_address): Handle UNSPEC CONSTs.
4081         (ok_for_max_constant): New function.
4082         (gen_safe_add): New function.
4083         (rx_expand_prologue): Use gen_safe_add.
4084         (rx_expand_epilogue): Likewise.
4085         (rx_is_legitimate_constant): Use ok_for_max_constant.  Handle
4086         UNSPEC CONSTs.
4087
4088 2011-01-21  Jeff Law  <law@redhat.com>
4089
4090         PR tree-optimization/47053
4091         * tree-ssa-dse.c (need_eh_cleanup): New bitmap.
4092         (dse_optimize_stmt): Set the appropriate bit in NEED_EH_CLEANUP when
4093         statements are deleted.
4094         (tree_ssa_dse): Allocate & free NEED_EH_CLEANUP.  If NEED_EH_CLEANUP
4095         is nonempty, then purge dead edges and cleanup the CFG.
4096
4097 2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
4098
4099         PR debug/47402
4100         Temporarily revert:
4101         2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
4102         PR debug/47106
4103         * tree-dfa.c (create_var_ann): Mark variable as used.
4104
4105 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
4106
4107         PR middle-end/45566
4108         * except.c (convert_to_eh_region_ranges): Emit queued no-region
4109         notes from other section in hot/cold partitioning even if
4110         last_action is -3.  Increment call_site_base.
4111
4112         PR rtl-optimization/47366
4113         * fwprop.c (forward_propagate_into): Return bool.  If
4114         any changes are made, -fnon-call-exceptions is used and
4115         REG_EH_REGION note is present, call purge_dead_edges
4116         and return true if it purged anything.
4117         (fwprop_addr): Adjust callers, call cleanup_cfg (0) if
4118         any EH edges were purged.
4119
4120 2011-01-21  Jeff Law  <law@redhat.com>
4121
4122         PR rtl-optimization/41619
4123         * caller-save.c (setup_save_areas): Break out code to determine
4124         which hard regs are live across calls by examining the reload chains
4125         so that it is always used.
4126         Eliminate code which checked REG_N_CALLS_CROSSED.
4127
4128 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
4129
4130         PR tree-optimization/47355
4131         * tree-eh.c (cleanup_empty_eh_merge_phis): Give up if
4132         NOP has non-debug uses beyond PHIs in new_bb.
4133
4134 2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
4135
4136         PR debug/47106
4137         * cfgexpand.c (account_used_vars_for_block): Only account vars
4138         that are annotated as used.
4139         (estimated_stack_frame_size): Don't set TREE_USED.
4140         * tree-dfa.c (create_var_ann): Mark variable as used.
4141
4142 2011-01-21  Richard Guenther  <rguenther@suse.de>
4143
4144         PR middle-end/47395
4145         * tree.def (WIDEN_MULT_MINUS_EXPR): Fix printed name.
4146
4147 2011-01-21  Richard Guenther  <rguenther@suse.de>
4148
4149         PR tree-optimization/47365
4150         * tree-ssa-sccvn.h (vn_lookup_kind): Declare.
4151         (vn_reference_lookup_pieces): Adjust.
4152         (vn_reference_lookup): Likewise.
4153         * tree-ssa-sccvn.c (vn_walk_kind): New static global.
4154         (vn_reference_lookup_3): Only look through kills if in
4155         VN_WALKREWRITE mode.
4156         (vn_reference_lookup_pieces): Adjust.
4157         (vn_reference_lookup): Likewise.
4158         (visit_reference_op_load): Likewise.
4159         (visit_reference_op_store): Likewise.
4160         * tree-ssa-pre.c (phi_translate_1): Use VN_WALK mode.
4161         (compute_avail): Likewise.
4162         (eliminate): Likewise.
4163
4164 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
4165
4166         * tree-ssa-live.c (remove_unused_scope_block_p): Don't remove
4167         DECL_IGNORED_P non-reg vars if they are used.
4168
4169         PR tree-optimization/47391
4170         * varpool.c (const_value_known_p): Return false if
4171         decl is volatile.
4172
4173 2011-01-21  Kai Tietz  <kai.tietz@onevision.com>
4174
4175         PR bootstrap/47215
4176         * config/i386/i386.c (ix86_local_alignment): Handle
4177         case for va_list_type_node is nil.
4178         (ix86_canonical_va_list_type): Likewise.
4179
4180 2011-01-21  Alan Modra  <amodra@gmail.com>
4181
4182         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Add
4183         builtin_define __CMODEL_MEDIUM__ and __CMODEL_LARGE__.
4184
4185 2011-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4186
4187         * config/arm/arm.md (define_attr type): Rename f_load
4188         and f_store to f_fpa_load and f_fpa_store. Update.
4189         (write_conflict): Deal with rename fallout.
4190         (*push_fp_multi): Likewise.
4191         * config/arm/fpa.md (f_load): Use f_fpa_load.
4192         (f_store): Use f_fpa_store.
4193         (*movsf_fpa): Likewise.
4194         (*movdf_fpa): Likewise.
4195         (*movxf_fpa): Likewise.
4196         (*thumb2_movsf_fpa): Likewise.
4197         (*thumb2_movdf_fpa): Likewise.
4198         (*thumb2_movxf_fpa): Likewise.
4199         * config/arm/vfp.md (*thumb2_movdf_vfp): Fix attribute to
4200         f_loadd and f_stored.
4201         (*thumb2_movdi_vfp): Likewise.
4202         (*thumb2_movsf_vfp): Fix attribute to f_loads.
4203         (*thumb2_movsi_vfp): Likewise.
4204         * config/arm/cortex-m4-fpu.md (cortex_m4_f_load):
4205         Use f_loads instead of f_load.
4206         * config/arm/cortex-a5.md (cortex_a5_f_loads): Remove f_load.
4207
4208 2011-01-20  Anatoly Sokolov  <aesok@post.ru>
4209
4210         * config/xtensa/xtensa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
4211         * config/xtensa/xtensa-protos.h (constantpool_address_p): Remove.
4212         * config/xtensa/xtensa.c (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
4213         (xtensa_mode_dependent_address_p): New function.
4214         (constantpool_address_p): Make static. Change return type to bool.
4215         Change argument type to const_rtx. Use CONST_INT_P predicate.
4216
4217 2011-01-20  Alexandre Oliva  <aoliva@redhat.com>
4218
4219         PR debug/46583
4220         * tree-ssa-live.c (remove_unused_scope_block_p): Keep type decls.
4221
4222 2011-01-20  Jakub Jelinek  <jakub@redhat.com>
4223
4224         PR debug/47283
4225         * cfgexpand.c (expand_debug_expr): Instead of generating
4226         (mem (debug_implicit_ptr)) for MEM_REFs use COMPONENT_REF
4227         etc. handling.
4228
4229 2011-01-20  Richard Guenther  <rguenther@suse.de>
4230
4231         PR middle-end/47370
4232         * tree-inline.c (remap_gimple_op_r): Recurse manually for
4233         the pointer operand of MEM_REFs.
4234
4235 2011-01-20  Jakub Jelinek  <jakub@redhat.com>
4236
4237         PR tree-optimization/46130
4238         * ipa-split.c (consider_split): If return_bb contains non-virtual
4239         PHIs other than for retval or if split_function would not adjust it,
4240         refuse to split.
4241
4242 2011-01-20  Richard Guenther  <rguenther@suse.de>
4243
4244         PR tree-optimization/47167
4245         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
4246         Revert previous change, only avoid enumeral type changes.
4247
4248 2011-01-19  Mike Stump  <mikestump@comcast.net>
4249
4250         * doc/tm.texi.in (BRANCH_COST): Englishify.
4251         * doc/tm.texi (BRANCH_COST): Likewise.
4252
4253 2011-01-19  Dodji Seketeli  <dodji@redhat.com>
4254
4255         PR c++/47291
4256         * dwarf2out.c (generic_type_p, schedule_generic_params_dies_gen)
4257         (gen_scheduled_generic_parms_dies): New functions.
4258         (gen_struct_or_union_type_die): Schedule template parameters DIEs
4259         generation for the end of CU compilation.
4260         (dwarf2out_finish): Generate template parameters DIEs here.
4261
4262 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
4263
4264         PR debug/46240
4265         * tree-into-ssa.c (maybe_register_def): Do not attempt to add
4266         debug bind stmt on merge edges.
4267
4268 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
4269
4270         PR debug/47079
4271         PR debug/46724
4272         * function.c (instantiate_expr): Instantiate incoming rtl of
4273         implicit arguments, and recurse on VALUE_EXPRs.
4274         (instantiate_decls): Instantiate rtl and VALUE_EXPR of result.
4275         * var-tracking.c (adjust_mems): Reject virtual_incoming_args_rtx.
4276
4277 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
4278
4279         * c-parser.c (c_parser_for_statement): Initialize
4280         collection_expression.
4281
4282 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
4283
4284         * config/spu/spu-elf.h (ASM_SPEC): Remove %{w:-W}.
4285
4286 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
4287
4288         * config/rs6000/sysv4.h (LINK_PATH_SPEC): Remove.
4289         (LINK_SHLIB_SPEC): Don't use %(link_path).
4290         (SUBTARGET_EXTRA_SPECS): Remove link_path.
4291
4292 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
4293
4294         * config/rs6000/sysv4.h (SHARED_LIB_SUPPORT): Remove conditional.
4295         (NO_SHARED_LIB_SUPPORT): Remove.
4296         (LINK_SHLIB_SPEC): Remove one conditional definition.
4297
4298 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
4299
4300         * config/mips/linux64.h (LINK_SPEC): Remove %{non_shared}
4301         %{call_shared}.
4302         * config/mips/mips.h (LINK_SPEC): Remove %{non_shared}.
4303         * config/mips/netbsd.h (LINK_SPEC): Remove %{call_shared}.
4304         * config/mips/openbsd.h (LINK_SPEC): Remove %{non_shared}
4305         %{call_shared} and conditionals on these options not being passed.
4306         * config/mips/sde.h (LINK_SPEC): Remove %{non_shared}
4307         %{call_shared}.
4308
4309 2011-01-19  Jakub Jelinek  <jakub@redhat.com>
4310
4311         * ipa-split.c (find_return_bb): Use single_pred_p/single_pred_edge,
4312         simplify.
4313
4314         * ipa-split.c: Spelling fixes.
4315
4316 2011-01-19  Richard Henderson  <rth@redhat.com>
4317
4318         * config/mn10300/mn10300.md (mulsi3): Use reg_or_am33_const_operand.
4319         (*mulsi3): Likewise.
4320
4321         * longlong.h [__mn10300__] (count_leading_zeros): New.
4322         [__mn10300__] (umul_ppmm, smul_ppmm): New.
4323         [__mn10300__] (add_ssaaaa, subddmmss): New.
4324         [__mn10300__] (udiv_qrnnd, sdiv_qrnnd): New.
4325         [__mn10300__] (UMUL_TIME, UDIV_TIME): New.
4326
4327 2011-01-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4328
4329         * config/spu/spu.h (MOVE_RATIO): Return 4 in the !speed case.
4330
4331 2011-01-19  Richard Henderson  <rth@redhat.com>
4332
4333         * config/mn10300/mn10300.md (addsi3_flags): New.
4334         (addc_internal, adddi3, adddi3_internal, *adddi3_degenerate): New.
4335         (subsi3_flags, subc_internal, subdi3): New.
4336         (subdi3_internal, *subdi3_degenerate): New.
4337         * config/mn10300/predicates.md (reg_or_am33_const_operand): New.
4338
4339         * config/mn10300/mn10300.c (mn10300_can_use_retf_insn): New.
4340         (mn10300_can_use_rets_insn): Rename from mn10300_can_use_return_insn.
4341         (mn10300_expand_epilogue): Use it.  Compute REG_SAVE_BYTES once.
4342         * config/mn10300/mn10300-protos.h: Update.
4343         * config/mn10300/mn10300.md (return): Use mn10300_can_use_retf_insn.
4344         (return_ret): Likewise.  Rename from return_internal_regs.
4345         (return_internal): Remove.
4346
4347         * config/mn10300/mn10300.c (mn10300_unspec_int_label_counter): Remove.
4348         (mn10300_asm_output_addr_const_extra): Don't handle UNSPEC_INT_LABEL.
4349         (mn10300_legitimate_constant_p): Likewise.
4350         (mn10300_can_use_return_insn): Use mn10300_initial_offset.
4351         (mn10300_frame_size): New.
4352         (mn10300_expand_prologue): Use it.
4353         (mn10300_expand_epilogue): Likewise.
4354         (mn10300_initial_offset): Likewise.
4355         * config/mn10300/mn10300-protos.h: Update.
4356         * config/mn10300/mn10300.h (mn10300_unspec_int_label_counter): Remove.
4357         * config/mn10300/mn10300.md (UNSPEC_INT_LABEL): Remove.
4358         (prologue, epilogue, return_internal): Tidy output code.
4359         (mn10300_store_multiple_operation, return): Likewise.
4360         (int_label, pop_pic_reg, GOTaddr2picreg): Remove.
4361         (am33_loadPC, mn10300_loadPC, call_next_insn): Remove.
4362         (add_GOT_to_pic_reg, add_GOT_to_any_reg): Remove.
4363         (load_pic, am33_load_pic): New.
4364         (mn10300_load_pic0, mn10300_load_pic1): New.
4365
4366         * config/mn10300/mn10300-modes.def (CCZN, CCZNC): New modes.
4367         * config/mn10300/mn10300.c (CC_FLAG_Z): New.
4368         (CC_FLAG_N, CC_FLAG_C, CC_FLAG_V): New.
4369         (cc_flags_for_mode, cc_flags_for_code): New.
4370         (mn10300_print_operand) ['B']: Use nc/ns for GE/LT when the
4371         overflow flag is not valid.  Validate that the flags we need
4372         for the comparison are valid.
4373         (mn10300_output_cmp): Remove.
4374         (mn10300_output_add): New.
4375         (mn10300_select_cc_mode): Use cc_flags_for_code.
4376         (mn10300_split_cbranch): New.
4377         (mn10300_match_ccmode): New.
4378         (mn10300_split_and_operand_count): New.
4379         * config/mn10300/mn10300.h (SELECT_CC_MODE): Pass all of the arguments
4380         to the function.
4381         * config/mn10300/mn10300.md (*am33_addsi3, *mn10300_addsi3): Merge...
4382         (addsi3): ... here.  Use mn10300_output_add.
4383         (*addsi3_flags): New.
4384         (*am33_subsi3, *mn10300_subsi3): Merge...
4385         (subsi3): ... here.  Use attribute isa.
4386         (*subsi3_flags): New.
4387         (negsi2): Rewrite from expander to insn_and_split.  Use NOT+INC
4388         when possible.
4389         (*am33_andsi3, *mn10300_andsi3): Merge...
4390         (andsi3): ... here.
4391         (*andsi3_flags): New.
4392         (andsi3 splitters): New.
4393         (*am33_iorsi3, *mn10300_iorsi3): Merge...
4394         (iorsi3): ... here.
4395         (*iorsi3_flags): New.
4396         (*am33_xorsi3, *mn10300_xorsi3): Merge...
4397         (xorsi3): ... here.
4398         (*xorsi3_flags): New.
4399         (*am33_cmpsi2, *mn10300_cmplsi2): Merge...
4400         (one_cmplsi2): ... here.
4401         (*one_cmplsi2_flags): New.
4402         (*cbranchsi4_cmp): Rename from cbranchsi4_post_reload.  Use "r"
4403         instead of "dax" in constraints.  Use mn10300_split_cbranch.
4404         (*cmpsi): Rename from cmpsi.  Do not use mn10300_output_cmp.  Do not
4405         use matching constraints to eliminate a self-comparison.
4406         (*integer_conditional_branch): Rename from integer_conditional_branch.
4407         Use int_mode_flags to match CC_REG.
4408         (*cbranchsi4_btst, *btstsi): New.
4409         (*cbranchsf4_cmp): Rename from *cbranchsf4_post_reload.  Use
4410         mn10300_split_cbranch.
4411         (*am33_cmpsf): Rename from am33_cmpsf.
4412         (*float_conditional_branch): Rename from float_conditional_branch.
4413         (*zero_extendqisi2_am33, *zero_extendqisi2_mn10300): Merge...
4414         (zero_extendqisi2): ... here.
4415         (*zero_extendhisi2_am33, *zero_extendhisi2_mn10300): Merge...
4416         (zero_extendhisi2): ... here.
4417         (*extendqisi2_am33, *extendqisi2_mn10300): Merge...
4418         (extendqisi2): ... here.
4419         (*extendhisi2_am33, *extendhisi2_mn10300): Merge...
4420         (extendhisi2): ... here.
4421         (*am33_ashlsi3, *mn10300_ashlsi3): Merge...
4422         (ashlsi3): ... here.
4423         (*am33_lshrsi3, *mn10300_lshrsi3): Merge...
4424         (lshrsi3): ... here.
4425         (*am33_ashrisi3, *mn10300_ashrsi3): Merge...
4426         (ashrsi3): ... here.
4427         (consecutive add peephole): Remove.
4428         * config/mn10300/predicates.md (label_ref_operand): New.
4429         (int_mode_flags): New.
4430         (CCZN_comparison_operator): New.
4431
4432         * config/mn10300/mn10300.md (UNSPEC_EXT): New.
4433         (throughput_42_latency_43): New reservation.
4434         (mulsidi3, umulsidi3): New expanders.
4435         (mulsidi3_internal): Rewrite from old mulsidi3 pattern.  Expose
4436         the MDR register to allocation; separately allocate the low and
4437         high parts of the DImode result.
4438         (umulsidi3_internal): Similarly.
4439         (*am33_mulsi3, *mn10300_mulsi3): Merge into ...
4440         (*mulsi3): ... here.  Clobber MDR as a scratch as necessary.
4441         (udivsi3, umodsi3): Remove.
4442         (udivmodsi4, divmodsi4): New expanders.
4443         (*udivmodsi4): Rename from udivmodsi4.  Expose MDR properly.
4444         (*divmodsi4): Simiarly.
4445         (ext_internal): New.
4446
4447         * config/mn10300/constraints.md ("z"): New constraint.
4448         * config/mn10300/mn10300.h (MDR_REGNUM): Remove.
4449         (FIXED_REGISTERS): Don't fix MDR.
4450         (CALL_USED_REGSITERS): Reformat nicely.
4451         (REG_ALLOC_ORDER): Add MDR.
4452         (enum regclass): Add MDR_REGS.
4453         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update to match.
4454         (IRA_COVER_CLASSES): Add MDR_REGS.
4455         (REGNO_REG_CLASS): Handle MDR_REG.
4456         * config/mn10300/mn10300.c (mn10300_secondary_reload): Handle MDR_REGS.
4457         (mn10300_register_move_cost): Likewise.
4458         * config/mn10300/mn10300.md (MDR_REG): New.
4459         (*movsi_internal): Handle moves to/from MDR_REGS.
4460
4461         * config/mn10300/mn10300.c (mn10300_print_operand_address): Handle
4462         POST_MODIFY.
4463         (mn10300_secondary_reload): Tidy combination reload classes.
4464         (mn10300_legitimate_address_p): Allow post-modify and reg+reg
4465         addresses for AM33.  Allow symbolic offsets for reg+imm.
4466         (mn10300_regno_in_class_p): New.
4467         (mn10300_legitimize_reload_address): New.
4468         * config/mn10300/mn10300.h (enum reg_class): Remove
4469         DATA_OR_ADDRESS_REGS, DATA_OR_EXTENDED_REGS, ADDRESS_OR_EXTENDED_REGS,
4470         SP_OR_EXTENDED_REGS, SP_OR_ADDRESS_OR_EXTENDED_REGS.  Add
4471         SP_OR_GENERAL_REGS.
4472         (REG_CLASS_NAMES): Update to match.
4473         (REG_CLASS_CONTENTS): Likewise.
4474         (INDEX_REG_CLASS): Use GENERAL_REGS for AM33.
4475         (BASE_REG_CLASS): Use SP_OR_GENERAL_REGS for AM33.
4476         (REGNO_IN_RANGE_P): Remove.
4477         (REGNO_DATA_P): Use mn10300_regno_in_class_p.
4478         (REGNO_ADDRESS_P, REGNO_EXTENDED_P): Likewise.
4479         (REGNO_STRICT_OK_FOR_BASE_P): Likewise.
4480         (REGNO_STRICT_OK_FOR_BIT_BASE_P): Likewise.
4481         (REGNO_STRICT_OK_FOR_INDEX_P): Likewise.
4482         (REGNO_SP_P, REGNO_AM33_P, REGNO_FP_P): Remove.
4483         (REGNO_GENERAL_P): New.
4484         (HAVE_POST_MODIFY_DISP): New.
4485         (USE_LOAD_POST_INCREMENT, USE_STORE_POST_INCREMENT): New.
4486         (LEGITIMIZE_RELOAD_ADDRESS): New.
4487         * config/mn10300/mn10300-protos.h: Update.
4488
4489         * config/mn10300/mn10300.c (mn10300_preferred_reload_class): Allow
4490         DATA_REGS for AM33 stack-pointer destination.
4491         (mn10300_preferred_output_reload_class): Likewise.
4492         (mn10300_secondary_reload): Rearrange mn10300_secondary_reload_class
4493         into a form appropriate for ...
4494         (TARGET_SECONDARY_RELOAD): New.
4495         * config/mn10300/mn10300.h (SECONDARY_RELOAD_CLASS): Remove.
4496         * config/mn10300/mn10300-protos.h: Update.
4497         * config/mn10300/mn10300.md (reload_plus_sp_const): Rename from
4498         reload_insi; use the "A" constraint for the scratch; handle AM33
4499         moves of sp to non-address registers.
4500
4501         * config/mn10300/mn10300.md (*am33_movqi, *mn10300_movqi): Merge into
4502         (*movqi_internal): ... here.
4503         (*am33_movhi, *mn10300_movhi): Merge into...
4504         (*movhi_internal): ... here.
4505         (*movsi_internal): Use "r" instead of "dax" in constraints.  Use "A"
4506         as the source/destination of moves from/to SP.
4507         (movsf): Only allow for AM33-2.
4508         (*movsf_internal): Use "r" instead of "dax"; use "F" instead of
4509         any integer constant constraint.  Only allow for AM33-2.  Tidy
4510         all of the alternative outputs.
4511         (movdi, movdf, *am33_2_movdf, *mn10300_movdf): Remove.
4512         (udivmodsi4): Delete expander and promote *udivmodsi4.  Disallow
4513         for MN103.
4514         (udivsi3, umodsi3): New patterns for MN103 only.
4515
4516 2011-01-19  Joern Rennecke  <amylaar@spamcop.net>
4517
4518         * doc/tm.texi.in: Spell out that a lack of register class unions
4519         can lead to ICEs.
4520         * doc/tm.texi: Regenerate.
4521
4522 2011-01-19  Jakub Jelinek  <jakub@redhat.com>
4523
4524         PR rtl-optimization/47337
4525         * dce.c (check_argument_store): New function.
4526         (find_call_stack_args): Ignore debug insns.  Use check_argument_store.
4527
4528         PR tree-optimization/47290
4529         * tree-eh.c (infinite_empty_loop_p): New function.
4530         (cleanup_empty_eh): Use it.
4531
4532 2011-01-18  Steve Ellcey  <sje@cup.hp.com>
4533
4534         PR target/46997
4535         * ia64.c (ia64_expand_unpack): Fix code for TARGET_BIG_ENDIAN.
4536         (a64_expand_widen_sum): Ditto.
4537         * vect.md (mulv2si3): Disable for TARGET_BIG_ENDIAN.
4538         (vec_extract_evenodd_help): Ditto.
4539         (vec_extract_evenv4hi): Ditto.
4540         (vec_extract_oddv4hi): Ditto.
4541         (vec_extract_evenv2si): Ditto.
4542         (vec_extract_oddv2si): Ditto.
4543         (vec_extract_evenv2sf): Ditto.
4544         (vec_extract_oddv2sf): Ditto.
4545         (vec_pack_trunc_v4hi: Ditto.
4546         (vec_pack_trunc_v2si): Ditto.
4547         (vec_interleave_lowv8qi): Fix for TARGET_BIG_ENDIAN.
4548         (vec_interleave_highv8qi): Ditto.
4549         (mix1_r): Ditto.
4550         (vec_extract_oddv8qi): Ditto.
4551         (vec_interleave_lowv4hi): Ditto.
4552         (vec_interleave_highv4hi): Ditto.
4553         (vec_interleave_lowv2si): Ditto.
4554         (vec_interleave_highv2si): Ditto.
4555
4556 2011-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4557
4558         * doc/extend.texi: Mention __float128 support on hppa HP-UX.
4559         * config/pa/pa-hpux.h (HPUX_LONG_DOUBLE_LIBRARY): Define to 1.
4560         * config/pa/pa.c (pa_expand_builtin): New.  Include "langhooks.h".
4561         (pa_c_mode_for_suffix): New.
4562         (TARGET_EXPAND_BUILTIN): Define.
4563         (TARGET_C_MODE_FOR_SUFFIX): Define.
4564         (pa_builtins): Define.
4565         (pa_init_builtins): Register __float128 type and init new support
4566         builtins.
4567         * config/pa/pa.h (HPUX_LONG_DOUBLE_LIBRARY): Define if not defined.
4568         * config/pa/quadlib.c (_U_Qfcopysign): New.
4569
4570 2011-01-18  Eric Botcazou  <ebotcazou@adacore.com>
4571
4572         PR middle-end/46894
4573         * explow.c (allocate_dynamic_stack_space): Do not assume more than
4574         BITS_PER_UNIT alignment if STACK_DYNAMIC_OFFSET or STACK_POINTER_OFFSET
4575         are defined.
4576
4577 2011-01-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4578
4579         PR tree-optimization/47179
4580         * config/spu/spu.c (spu_ref_may_alias_errno): New function.
4581         (TARGET_REF_MAY_ALIAS_ERRNO): Define.
4582
4583 2011-01-18  Richard Guenther  <rguenther@suse.de>
4584
4585         PR rtl-optimization/47216
4586         * emit-rtl.c: Include tree-flow.h.
4587         (set_mem_attributes_minus_bitpos): Use tree_could_trap_p instead
4588         of replicating it with different semantics.
4589         * Makefile.in (emit-rtl.o): Adjust.
4590
4591 2011-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4592
4593         * config/arm/cortex-a9.md (cortex-a9-neon.md): Actually include.
4594         (cortex_a9_dp): Handle neon types correctly.
4595
4596 2011-01-18  Jakub Jelinek  <jakub@redhat.com>
4597
4598         PR rtl-optimization/47299
4599         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: Don't use
4600         subtarget.  Use normal multiplication if both operands are constants.
4601         * expmed.c (expand_widening_mult): Don't try to optimize constant
4602         multiplication if op0 has VOIDmode.  Convert op1 constant to mode
4603         before using it.
4604
4605 2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4606
4607         * doc/lto.texi (LTO): Ensure two spaces after period.  Fix
4608         spacing after 'e.g.', typos, comma, hyphenation.
4609
4610 2011-01-17  Richard Henderson  <rth@redhat.com>
4611
4612         * config/rx/predicates.md (rx_constshift_operand): Use match_test.
4613         (rx_restricted_mem_operand): New.
4614         (rx_shift_operand): Use register_operand.
4615         (rx_source_operand, rx_compare_operand): Likewise.
4616         * config/rx/rx.md (addsi3_flags): New expander.
4617         (adddi3): Rewrite as expander.
4618         (adc_internal, *adc_flags, adddi3_internal): New patterns.
4619         (subsi3_flags): New expander.
4620         (subdi3): Rewrite as expander.
4621         (sbb_internal, *sbb_flags, subdi3_internal): New patterns.
4622
4623         * config/rx/rx.c (RX_BUILTIN_SAT): Remove.
4624         (rx_init_builtins): Remove sat builtin.
4625         (rx_expand_builtin): Likewise.
4626         * config/rx/rx.md (ssaddsi3): New.
4627         (*sat): Rename from sat.  Represent the CC_REG input.
4628
4629         * config/rx/predicates.md (rshift_operator): New.
4630         * config/rx/rx.c (rx_expand_insv): Remove.
4631         * config/rx/rx-protos.h: Update.
4632         * config/rx/rx.md (*bitset): Rename from bitset.  Swap the ashift
4633         operand to the canonical position.
4634         (*bitset_in_memory, *bitinvert, *bitinvert_in_memory): Similarly.
4635         (*bitclr, *bitclr_in_memory): Similarly.
4636         (*insv_imm, rx_insv_reg, *insv_cond, *bmcc, *insv_cond_lt): New.
4637         (insv): Retain the zero_extract in the expansion.
4638
4639         * config/rx/rx.md (bswapsi2): Use = not + for output reload.
4640         (bswaphi2, bitinvert, revw): Likewise.
4641
4642         * config/rx/rx.c (gen_rx_store_vector): Use VOIDmode for gen_rtx_SET.
4643         (gen_rx_rtsd_vector, gen_rx_popm_vector): Likewise.
4644         * config/rx/rx.md (pop_and_return): Use VOIDmode for SET.
4645         (stack_push, stack_pushm, stack_pop, stack_popm): Likewise.
4646         (bitset, bitset_in_memory): Likewise.
4647         (bitinvert, bitinvert_in_memory): Likewise.
4648         (bitclr, bitclr_in_memory): Likewise.
4649         (insv, sync_lock_test_and_setsi, movstr, rx_movstr): Likewise.
4650         (rx_strend, rx_cmpstrn): Likewise.
4651         (rx_setmem): Likewise.  Make the source BLKmode to match the dest.
4652         (bitop peep2 patterns): Remove.
4653
4654         * config/rx/rx.c (rx_match_ccmode): New.
4655         * config/rx/rx-protos.h: Update.
4656         * config/rx/rx.md (abssi2): Clobber, don't set flags.
4657         (addsi3, adddi3, andsi3, negsi2, one_cmplsi2, iorsi3): Likewise.
4658         (rotlsi3, rotrsi3, ashrsi3, lshrsi3, ashlsi3): Likewise.
4659         (subsi3, subdi3, xorsi3, addsf3, divsf3, mulsf3, subsf3): Likewise.
4660         (fix_truncsfsi2, floatsisf2): Likewise.
4661         (*abssi2_flags, *addsi3_flags, *andsi3_flags, *negsi2_flags): New.
4662         (*one_cmplsi2_flags, *iorsi3_flags, *rotlsi3_flags): New.
4663         (*rotrsi3_flags, *ashrsi3_flags, *lshrsi3_flags, *ashlsi3_flags): New.
4664         (*subsi3_flags, *xorsi3_flags): New.
4665
4666         * config/rx/rx.md (cstoresf4, *cstoresf4): New patterns.
4667
4668         * config/rx/rx.c (rx_print_operand): Remove workaround for
4669         unsplit comparison operations.
4670
4671         * config/rx/rx.md (movsicc): Split after reload.
4672         (*movsicc): Merge *movsieq and *movsine via match_operator.
4673         (*stcc): New pattern.
4674
4675         * config/rx/rx.c (rx_float_compare_mode): Remove.
4676         * config/rx/rx.h (rx_float_compare_mode): Remove.
4677         * config/rx/rx.md (cstoresi4): Split after reload.
4678         (*sccc): New pattern.
4679
4680         * config/rx/predicates.md (label_ref_operand): New.
4681         (rx_z_comparison_operator): New.
4682         (rx_zs_comparison_operator): New.
4683         (rx_fp_comparison_operator): New.
4684         * config/rx/rx.c (rx_print_operand) [B]: Examine comparison modes.
4685         Validate that the flags are set properly for the comparison.
4686         (rx_gen_cond_branch_template): Remove.
4687         (rx_cc_modes_compatible): Remove.
4688         (mode_from_flags): New.
4689         (flags_from_code): Rename from flags_needed_for_conditional.
4690         (rx_cc_modes_compatible): Re-write in terms of flags_from_mode.
4691         (rx_select_cc_mode): Likewise.
4692         (rx_split_fp_compare): New.
4693         (rx_split_cbranch): New.
4694         * config/rx/rx.md (most_cond, zs_cond): Remove iterators.
4695         (*cbranchsi4): Use match_operator and rx_split_cbranch.
4696         (*cbranchsf4): Similarly.
4697         (*cbranchsi4_tst): Rename from *tstbranchsi4_<code>.  Use
4698         match_operator and rx_split_cbranch.
4699         (*cbranchsi4_tst_ext): Combine *tstbranchsi4m_eq and
4700         tstbranchsi4m_ne.  Use match_operator and rx_split_cbranch.
4701         (*cmpsi): Rename from cmpsi.
4702         (*tstsi): Rename from tstsi.
4703         (*cmpsf): Rename from cmpsf; use CC_Fmode.
4704         (*conditional_branch): Rename from conditional_branch.
4705         (*reveresed_conditional_branch): Remove.
4706         (b<code>): Remove expander.
4707         * config/rx/rx-protos.h: Update.
4708
4709         * config/rx/rx.c (rx_compare_redundant): Remove.
4710         * config/rx/rx.md (cmpsi): Don't use it.
4711         * config/rx/rx-protos.h: Update.
4712
4713         * config/rx/rx-modes.def (CC_F): New mode.
4714         * config/rx/rx.c (rx_select_cc_mode): New.
4715         * config/rx/rx.h (SELECT_CC_MODE): Use it.
4716         * config/rx/rx-protos.h: Update.
4717
4718 2011-01-17  Richard Henderson  <rth@redhat.com>
4719
4720         * except.c (dump_eh_tree): Fix stray ; after for statement.
4721
4722 2011-01-17  Richard Guenther  <rguenther@suse.de>
4723
4724         PR tree-optimization/47313
4725         * tree-inline.c (tree_function_versioning): Move DECL_RESULT
4726         handling before copying the body.  Properly deal with
4727         by-reference result in SSA form.
4728
4729 2011-01-17  Ian Lance Taylor  <iant@google.com>
4730
4731         PR target/47219
4732         * config/sparc/sparc.c (sparc_sr_alias_set): Don't define.
4733         (struct_value_alias_set): Don't define.
4734         (sparc_option_override): Don't set sparc_sr_alias_set and
4735         struct_value_alias_set.
4736         (save_or_restore_regs): Use gen_frame_mem rather than calling
4737         set_mem_alias_set.
4738         (sparc_struct_value_rtx): Likewise.
4739
4740 2011-01-17  H.J. Lu  <hongjiu.lu@intel.com>
4741
4742         PR target/47318
4743         * config/i386/avxintrin.h (_mm_maskload_pd): Change mask to
4744         __m128i.
4745         (_mm_maskstore_pd): Likewise.
4746         (_mm_maskload_ps): Likewise.
4747         (_mm_maskstore_ps): Likewise.
4748         (_mm256_maskload_pd): Change mask to __m256i.
4749         (_mm256_maskstore_pd): Likewise.
4750         (_mm256_maskload_ps): Likewise.
4751         (_mm256_maskstore_ps): Likewise.
4752
4753         * config/i386/i386-builtin-types.def: Updated.
4754         (ix86_expand_special_args_builtin): Likewise.
4755
4756         * config/i386/i386.c (bdesc_special_args): Update
4757         __builtin_ia32_maskloadpd, __builtin_ia32_maskloadps,
4758         __builtin_ia32_maskloadpd256, __builtin_ia32_maskloadps256,
4759         __builtin_ia32_maskstorepd, __builtin_ia32_maskstoreps,
4760         __builtin_ia32_maskstorepd256 and __builtin_ia32_maskstoreps256.
4761
4762         * config/i386/sse.md (avx_maskload<ssemodesuffix><avxmodesuffix>):
4763         Use <avxpermvecmode> on mask register.
4764         (avx_maskstore<ssemodesuffix><avxmodesuffix>): Likewise.
4765
4766 2011-01-17  Olivier Hainque  <hainque@adacore.com>
4767             Michael Haubenwallner  <michael.haubenwallner@salomon.at>
4768             Eric Botcazou  <ebotcazou@adacore.com>
4769
4770         PR target/46655
4771         * xcoffout.c (ASM_OUTPUT_LINE): Output line only if positive, and only
4772         if <= USHRT_MAX in 32-bit mode.
4773
4774 2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4775
4776         * doc/install.texi (Configuration, Specific): Wrap long
4777         lines in examples.  Allow line wrapping in long options
4778         and URLs where beneficial for PDF output.
4779
4780 2011-01-16  Richard Sandiford  <rdsandiford@googlemail.com>
4781
4782         * config/mips/mips.c (mips_classify_symbol): Don't return
4783         SYMBOL_PC_RELATIVE for nonlocal labels.
4784
4785 2011-01-15  Eric Botcazou  <ebotcazou@adacore.com>
4786
4787         * config/sparc/sol2-bi.h (CC1_SPEC): Fix typo.
4788
4789 2011-01-15  Jan Hubicka  <jh@suse.cz>
4790
4791         PR tree-optimization/47276
4792         * ipa.c (function_and_variable_visibility): Do not try to mark alias
4793         declarations as needed.
4794
4795 2011-01-15  Martin Jambor  <mjambor@suse.cz>
4796
4797         * common.opt (fdevirtualize): New flag.
4798         * doc/invoke.texi (Option Summary): Document it.
4799         * opts.c (default_options_table): Add devirtualize flag.
4800         * ipa-prop.c (detect_type_change): Return immediately if
4801         devirtualize flag is not set.
4802         (detect_type_change_ssa): Likewise.
4803         (compute_known_type_jump_func): Likewise.
4804         (ipa_analyze_virtual_call_uses): Likewise.
4805
4806 2011-01-14  Martin Jambor  <mjambor@suse.cz>
4807
4808         PR tree-optimization/45934
4809         PR tree-optimization/46302
4810         * ipa-prop.c (type_change_info): New type.
4811         (stmt_may_be_vtbl_ptr_store): New function.
4812         (check_stmt_for_type_change): Likewise.
4813         (detect_type_change): Likewise.
4814         (detect_type_change_ssa): Likewise.
4815         (compute_complex_assign_jump_func): Check for dynamic type change.
4816         (compute_complex_ancestor_jump_func): Likewise.
4817         (compute_known_type_jump_func): Likewise.
4818         (compute_scalar_jump_functions): Likewise.
4819         (ipa_analyze_virtual_call_uses): Likewise.
4820         (ipa_analyze_node): Push and pop cfun, set current_function_decl.
4821
4822 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
4823
4824         * config/i386/i386.h (CC1_CPU_SPEC_1): Don't handle -msse5.
4825         * config/i386/i386.opt (msse5): New Alias.
4826
4827 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
4828
4829         * config/sparc/linux.h (CC1_SPEC): Remove %{sun4:} %{target:}.
4830         * config/sparc/linux64.h (CC1_SPEC): Likewise.
4831         * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
4832         * config/sparc/sparc.h (CC1_SPEC): Likewise.
4833
4834 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
4835
4836         * config/sparc/linux.h (CC1_SPEC): Don't handle old equivalents of
4837         -mcpu options.
4838         * config/sparc/linux64.h (CC1_SPEC): Likewise.
4839         * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
4840         * config/sparc/sol2-bi.h (CPP_CPU_SPEC, CC1_SPEC): Likewise.
4841         * config/sparc/sparc.h (CPP_CPU_SPEC, CC1_SPEC, ASM_CPU_SPEC):
4842         Likewise.
4843         * config/sparc/t-elf (MULTILIB_MATCHES): Don't handle -mv8.
4844
4845 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
4846
4847         * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -fvec or -fvec-eabi.
4848
4849 2011-01-14  Mike Stump  <mikestump@comcast.net>
4850
4851         * config/alpha/alpha.md (umk_mismatch_args): Don't put a mode on set.
4852         * config/fr30/fr30.md: Likweise
4853         (movsi_push): Likewise.
4854         (movsi_pop): Likewise.
4855         (enter_func): Likewise.
4856         * config/moxie/moxie.md (movsi_push): Likewise.
4857         (movsi_pop): Likewise.
4858
4859 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
4860
4861         * config/mips/linux64.h (LINK_SPEC): Remove %{bestGnum}
4862         %{no_archive} %{exact_version}.
4863         * config/mips/mips.h (LINK_SPEC): Remove %{bestGnum}.
4864         * config/mips/netbsd.h (LINK_SPEC): Remove %{bestGnum}
4865         %{no_archive} %{exact_version}.
4866         * config/mips/openbsd.h (LINK_SPEC): Likewise.
4867         * config/mips/sde.h (LINK_SPEC): Remove %{bestGnum}.
4868         * config/mips/vxworks.h: Likewise.
4869
4870 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
4871
4872         * config/microblaze/microblaze.h (ASM_SPEC): Remove %{microblaze1}.
4873
4874 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
4875
4876         * config/m32r/little.h (CPP_ENDIAN_SPEC, CC1_ENDIAN_SPEC,
4877         ASM_ENDIAN_SPEC, LINK_ENDIAN_SPEC): Remove.
4878
4879 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
4880
4881         * config/i386/nwld.h (LINK_SPEC): Check -nodefaultlibs not
4882         -nodefaultlib.
4883
4884 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
4885
4886         * config/cris/cris.h (ASM_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check
4887         for mcpu not cpu.
4888         * config/cris/linux.h (CRIS_CPP_SUBTARGET_SPEC,
4889         CRIS_CC1_SUBTARGET_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check for mcpu
4890         not cpu.
4891         (CRIS_LINK_SUBTARGET_SPEC): Don't generate -rpath-link options.
4892         Don't handle -shlib.
4893
4894 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
4895
4896         * config/avr/avr.h (CPP_SPEC): Don't handle -posix.
4897         (CC1_SPEC): Don't handle -profile.
4898
4899 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
4900
4901         * config/microblaze/microblaze.h (CC1_SPEC): Remove -gline spec.
4902         * config/mips/mips.h (CC1_SPEC): Likewise.
4903
4904 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
4905
4906         * config/microblaze/microblaze.h (CC1_SPEC): Remove %{save-temps: }.
4907         * config/mips/mips.h (CC1_SPEC): Likewise.
4908
4909 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
4910
4911         * config/i386/linux.h (LINK_SPEC): Don't use %{!ibcs:} conditional.
4912         * config/m32r/linux.h (LINK_SPEC): Likewise.
4913         * config/mips/linux.h (LINK_SPEC): Likewise.
4914         * config/mips/linux64.h (LINK_SPEC): Likewise.
4915         * config/sparc/linux.h (LINK_SPEC): Likewise.
4916         * config/sparc/linux64.h (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
4917         LINK_SPEC): Likewise.
4918         * config/xtensa/linux.h (LINK_SPEC): Likewise.
4919
4920 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
4921
4922         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove
4923         %{version:-v}.
4924         * config/lm32/uclinux-elf.h (LINK_SPEC): Likewise.
4925
4926 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
4927
4928         * config/sparc/sp-elf.h (ASM_SPEC): Remove %{v:-V}.
4929         * config/sparc/sp64-elf.h (ASM_SPEC): Likewise.
4930
4931 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
4932
4933         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove %{b}.
4934
4935 2011-01-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4936
4937         * configure.ac (gcc_cv_ld_static_dynamic): Solaris 2 ld always
4938         supports -Bstatic/-Bdynamic.
4939         * configure: Regenerate.
4940
4941 2011-01-14  Jan Hubicka  <jh@suse.cz>
4942             Jack Howarth  <howarth@bromo.med.uc.edu>
4943
4944         PR target/46037
4945         * config/darwin.c (darwin_override_options): Honor flag_gtoggle
4946         when checking debug_info_level. Test write_symbols instead of
4947         debug_hooks->var_location when setting flag_var_tracking_uninit.
4948
4949 2011-01-14  Richard Guenther  <rguenther@suse.de>
4950
4951         PR tree-optimization/47179
4952         * target.def (ref_may_alias_errno): New target hook.
4953         * targhooks.h (default_ref_may_alias_errno): Declare.
4954         * targhooks.c: Include tree-ssa-alias.h and tree-flow.h.
4955         (default_ref_may_alias_errno): New function.
4956         * target.h (struct ao_ref_s): Declare.
4957         * tree-ssa-alias.c: Include target.h.
4958         (call_may_clobber_ref_p_1): Use the ref_may_alias_errno target hook.
4959         * Makefile.in (tree-ssa-alias.o): Adjust dependencies.
4960         (targhooks.o): Likewise.
4961         * doc/tm.texi.in (TARGET_REF_MAY_ALIAS_ERRNO): Document.
4962         * doc/tm.texi (TARGET_REF_MAY_ALIAS_ERRNO): Copy documentation.
4963
4964 2011-01-14  Richard Guenther  <rguenther@suse.de>
4965
4966         * tree-ssa-structalias.c  (new_var_info): Use DECL_HARD_REGISTER.
4967
4968 2011-01-14  Richard Guenther  <rguenther@suse.de>
4969
4970         PR tree-optimization/47280
4971         * tree-ssa-forwprop.c (associate_plusminus): Cleanup EH and
4972         return CFG changes.
4973         (tree_ssa_forward_propagate_single_use_vars): Deal with
4974         CFG changes from associate_plusminus.
4975
4976 2011-01-14  Richard Guenther  <rguenther@suse.de>
4977
4978         PR middle-end/47281
4979         Revert
4980         2011-01-11  Richard Guenther  <rguenther@suse.de>
4981
4982         PR tree-optimization/46076
4983         * tree-ssa.c (useless_type_conversion_p): Conversions from
4984         unprototyped to empty argument list function types are useless.
4985
4986 2011-01-14  Richard Guenther  <rguenther@suse.de>
4987
4988         PR tree-optimization/47286
4989         * tree-ssa-structalias.c (new_var_info): Register variables are global.
4990
4991 2011-01-14  Martin Jambor  <mjambor@suse.cz>
4992
4993         PR middle-end/46823
4994         * tree-inline.c (expand_call_inline): Get fndecl from call graph edge.
4995
4996 2011-01-13  Anatoly Sokolov  <aesok@post.ru>
4997
4998         * config/xtensa/xtensa.h (XTENSA_LIBCALL_VALUE, LIBCALL_VALUE,
4999         LIBCALL_OUTGOING_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
5000         * config/xtensa/xtensa.c (xtensa_libcall_value,
5001         xtensa_function_value_regno_p): New functions.
5002         (TARGET_LIBCALL_VALUE, TARGET_FUNCTION_VALUE_REGNO_P): Define.
5003
5004 2011-01-13  Kai Tietz  <kai.tietz@onevision.com>
5005
5006         PR c++/47213
5007         * config/i386/cygming.h (TARGET_ASM_ASSEMBLE_VISIBILITY):
5008         PE specific hook.
5009         * config/i386/i386-protos.h (i386_pe_assemble_visibility):
5010         New function prototype.
5011         * config/i386/winnt.c (i386_pe_assemble_visibility):
5012         Warn only if attribute was specified by user.
5013
5014 2011-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
5015
5016         PR target/47251
5017         * config/rs6000/rs6000.md (floatunsdidf2): Add check for hardware
5018         floating point.
5019         (floatunsdidf2_fcfidu): Ditto.
5020
5021 2011-01-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5022
5023         * config/s390/s390.c (print_operand_address): Replace 'error' with
5024         'output_operand_lossage'.
5025         (print_operand): Likewise.
5026
5027 2011-01-13  Jeff Law  <law@redhat.com>
5028
5029         PR rtl-optimization/39077
5030         * doc/invoke.texi (max-gcse-insertion-ratio): Document.
5031         * params.h (MAX_GCSE_INSERTION_RATIO): Define.
5032         * params.def (PARAM_MAX_GCSE_INSERTION_RATIO): Define.
5033         * lcm.c (pre_edge_lcm): Properly initialize output sbitmaps.
5034         * gcse.c (prune_insertions_deletions): New function.
5035         (compute_pre_data): Use it.
5036
5037 2011-01-13  Dodji Seketeli  <dodji@redhat.com>
5038
5039         PR debug/PR46973
5040         * dwarf2out.c (prune_unused_types_mark_generic_parms_dies): New
5041         static function.
5042         (prune_unused_types_mark): Use it.
5043
5044 2011-01-13  Andrey Belevantsev  <abel@ispras.ru>
5045
5046         PR rtl-optimization/45352
5047         * sel-sched.c: Update copyright years.
5048         (reset_sched_cycles_in_current_ebb): Also recheck the DFA state
5049         in the advancing loop when we have issued issue_rate insns.
5050
5051 2011-01-12  Richard Henderson  <rth@redhat.com>
5052
5053         * config/mn10300/mn10300.c (mn10300_md_asm_clobbers): New.
5054         (TARGET_MD_ASM_CLOBBERS): New.
5055
5056         * config/mn10300/mn10300.c (mn10300_delegitimize_address): New.
5057         (TARGET_DELEGITIMIZE_ADDRESS): New.
5058
5059         * config/mn10300/mn10300.md (UNSPEC_BSCH): New.
5060         (clzsi2, *bsch): New patterns.
5061
5062         * config/mn10300/mn10300.md (INT): New mode iterator.
5063         (*mov<INT>_clr): New pattern, and peep2 to generate it.
5064
5065         * config/mn10300/mn10300.c (mn10300_option_override): Force enable
5066         flag_split_wide_types.
5067
5068         * config/mn10300/mn10300.c (mn10300_asm_trampoline_template): Remove.
5069         (mn10300_trampoline_init): Rewrite without a template, an immediate
5070         load and a direct branch.
5071         * config/mn10300/mn10300.h (TRAMPOLINE_SIZE): Reduce to 16.
5072
5073 2011-01-12  Anatoly Sokolov  <aesok@post.ru>
5074
5075         * config/s390/s390.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
5076         * config/s390/s390-protos.h (s390_output_addr_const_extra): Remove.
5077         * config/s390/s390.c (s390_output_addr_const_extra): Make static.
5078         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
5079
5080 2011-01-12  Kai Tietz  <kai.tietz@onevision.com>
5081
5082         PR debug/47209
5083         * dwarfout2.c (should_emit_struct_debug): Use TYPE_MAIN_VARIANT
5084         of type.
5085
5086 2011-01-12  Jan Hubicka  <jh@suse.cz>
5087
5088         PR driver/47244
5089         * gcc.c (PLUGIN_COND): Update to disable plugin unless -flto is used.
5090         (PLUGIN_COND_CLOSE): New macro.
5091         (LINK_COMMAND_SPEC): Update to use PLUGIN_COND_CLOSE.
5092
5093 2011-01-12  Richard Guenther  <rguenther@suse.de>
5094
5095         PR lto/47259
5096         * lto-streamer-out.c (output_gimple_stmt): Do not wrap
5097         register variables in a MEM_REF.
5098
5099 2011-01-12  Joseph Myers  <joseph@codesourcery.com>
5100
5101         * config.gcc (arm*-*-linux*, bfin*-uclinux*, bfin*-linux-uclibc*,
5102         crisv32-*-linux* | cris-*-linux*, frv-*-*linux*, moxie-*-uclinux*,
5103         hppa*64*-*-linux*, hppa*-*-linux*, i[34567]86-*-linux* |
5104         i[34567]86-*-kfreebsd*-gnu | i[34567]86-*-knetbsd*-gnu |
5105         i[34567]86-*-gnu* | i[34567]86-*-kopensolaris*-gnu,
5106         x86_64-*-linux* | x86_64-*-kfreebsd*-gnu | x86_64-*-knetbsd*-gnu,
5107         ia64*-*-linux*, lm32-*-uclinux*, m32r-*-linux*, m32rle-*-linux*,
5108         m68k-*-uclinux*, m68k-*-linux*, microblaze*-linux*,
5109         mips64*-*-linux* | mipsisa64*-*-linux*, mips*-*-linux*,
5110         s390-*-linux*, s390x-*-linux*, sh*-*-linux*, sparc-*-linux*,
5111         sparc64-*-linux*, vax-*-linux*, xtensa*-*-linux*,
5112         am33_2.0-*-linux*): Use gnu-user.h before linux.h.
5113         * config/gnu-user.h: New.  Copied from linux.h.
5114         (LINUX_TARGET_STARTFILE_SPEC): Rename to
5115         GNU_USER_TARGET_STARTFILE_SPEC.
5116         (LINUX_TARGET_ENDFILE_SPEC): Rename to
5117         GNU_USER_TARGET_ENDFILE_SPEC.
5118         (LINUX_TARGET_CC1_SPEC): Rename to GNU_USER_TARGET_CC1_SPEC.
5119         (LINUX_TARGET_LIB_SPEC): Rename to GNU_USER_TARGET_LIB_SPEC.
5120         (OPTION_GLIBC, OPTION_UCLIBC, OPTION_BIONIC,
5121         LINUX_TARGET_OS_CPP_BUILTINS, CHOOSE_DYNAMIC_LINKER1,
5122         CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
5123         UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5124         BIONIC_DYNAMIC_LINKER, BIONIC_DYNAMIC_LINKER32,
5125         BIONIC_DYNAMIC_LINKER64, LINUX_DYNAMIC_LINKER,
5126         LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64,
5127         TARGET_C99_FUNCTIONS, TARGET_HAS_SINCOS): Remove.
5128         * config/arm/linux-eabi.h (CC1_SPEC): Use
5129         GNU_USER_TARGET_CC1_SPEC.
5130         (LIB_SPEC): Use GNU_USER_TARGET_LIB_SPEC.
5131         (STARTFILE_SPEC): Use GNU_USER_TARGET_STARTFILE_SPEC.
5132         (ENDFILE_SPEC): Use GNU_USER_TARGET_ENDFILE_SPEC
5133         * config/linux.h (NO_IMPLICIT_EXTERN_C, ASM_APP_ON, ASM_APP_OFF,
5134         LINUX_TARGET_STARTFILE_SPEC, STARTFILE_SPEC,
5135         LINUX_TARGET_ENDFILE_SPEC, ENDFILE_SPEC, LINUX_TARGET_CC1_SPEC,
5136         CC1_SPEC, CPLUSPLUS_CPP_SPEC, LINUX_TARGET_LIB_SPEC, LIB_SPEC,
5137         LINK_EH_SPEC, LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Remove.
5138
5139 2011-01-12  Richard Guenther  <rguenther@suse.de>
5140
5141         PR other/46946
5142         * doc/invoke.texi (ffast-math): Document it is turned on
5143         with -Ofast.
5144
5145 2011-01-12  Jan Hubicka  <jh@suse.cz>
5146
5147         PR tree-optimization/47233
5148         * opts.c (common_handle_option): Disable ipa-reference with profile
5149         feedback.
5150
5151 2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>
5152
5153         * c-parser.c (c_parser_objc_at_property_declaration): Improved
5154         error message.
5155
5156 2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>
5157
5158         * c-parser.c (c_lex_one_token): Updated and reindented some
5159         comments.  No changes in code.
5160
5161 2011-01-11  Ian Lance Taylor  <iant@google.com>
5162
5163         * godump.c (go_output_var): Don't output the variable if there is
5164         already a type with the same name.
5165
5166 2011-01-11  Ian Lance Taylor  <iant@google.com>
5167
5168         * godump.c (go_format_type): Don't generate float80.
5169
5170 2011-01-11  Richard Henderson  <rth@redhat.com>
5171
5172         * config/mn10300/mn10300.c (mn10300_address_cost): Remove forward
5173         declaration.  Rewrite for both speed and size.
5174         (mn10300_address_cost_1): Remove.
5175         (mn10300_register_move_cost): New.
5176         (mn10300_memory_move_cost): New.
5177         (mn10300_rtx_costs): Rewrite for both speed and size.  Don't handle
5178         ZERO_EXTRACT.  Do handle UNSPEC, arithmetic, logicals, compare,
5179         extensions, shifts, BSWAP, CLZ.
5180         (mn10300_wide_const_load_uses_clr): Remove.
5181         (TARGET_REGISTER_MOVE_COST): New.
5182         (TARGET_MEMORY_MOVE_COST): New.
5183         * config/mn10300/mn10300-protos.h: Update.
5184         * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Remove.
5185
5186         * config/mn10300/constraints.md ("R", "T"): Remove constraints.
5187         * config/mn10300/mn10300.c (mn10300_mask_ok_for_mem_btst): Remove.
5188         * config/mn10300/mn10300-protos.h: Update.
5189         * config/mn10300/mn10300.md (movsi_internal): Don't use "R".
5190         (*byte_clear, *byte_set, *bit_clear1, *bit_clear2, *bit_set): Remove.
5191         (iorqi3, *am33_iorqi3, *mn10300_iorqi3): Remove.
5192         (*test_int_bitfield, *test_byte_bitfield): Remove.
5193         (*bit_test, *subreg_bit_test): Remove.
5194         * config/mn10300/predicates.md (const_8bit_operand): Remove.
5195
5196         * config/mn10300/constraints.md ("c"): Rename from "A".
5197         ("A", "D"): New constraint letters.
5198         * config/mn10300/mn10300.md (fmasf4): Use the "c" constraint.
5199         (fmssf4, fnmasf4, fnmssf4): Likewise.
5200
5201         * config/mn10300/mn10300.md (isa): New attribute.
5202         (enabled): New attribute.
5203
5204         * config/mn10300/mn10300.md (absdf2, negdf2): Remove.
5205         (abssf2, negsf2): Define only for hardware fp.
5206         (sqrtsf2): Reformat.
5207         (addsf3, subsf3, mulsf3): Merge expander and insn.
5208
5209         * config/mn10300/mn10300.h (ARG_PIONTER_CFA_OFFSET): New.
5210         (DEBUGGER_AUTO_OFFSET): Remove.
5211         (DEBUGGER_ARG_OFFSET): Remove.
5212
5213         * config/mn10300/mn10300.c (mn10300_gen_multiple_store): Make static.
5214         Emit register stores with the same offsets as the hardware.
5215         (mn10300_store_multiple_operation): Don't check that the register
5216         save offsets are monotonic.
5217         * config/mn10300/mn10300-protos.h: Update.
5218
5219         * config/mn10300/mn10300.h (ASM_PN_FORMAT): Delete.
5220
5221         * config/mn10300/mn10300.h (INCOMING_RETURN_ADDR_RTX): Define
5222         in terms of the value on the stack, not the MDR register.
5223
5224 2011-01-11  Jan Hubicka  <jh@suse.cz>
5225
5226         PR lto/45721
5227         PR lto/45375
5228         * tree.h (symbol_alias_set_t): Move typedef here from varasm.c
5229         (symbol_alias_set_destroy, symbol_alias_set_contains,
5230         propagate_aliases_backward): Declare.
5231         * lto-streamer-out.c (struct sets): New sturcture.
5232         (trivally_defined_alias): New function.
5233         (output_alias_pair_p): Rewrite.
5234         (output_unreferenced_globals): Fix output of alias pairs.
5235         (produce_symtab): Likewise.
5236         * ipa.c (function_and_variable_visibility): Set weak alias destination
5237         as needed in lto.
5238         * varasm.c (symbol_alias_set_t): Remove.
5239         (symbol_alias_set_destroy): Export.
5240         (propagate_aliases_forward, propagate_aliases_backward): New functions
5241         based on ...
5242         (compute_visible_aliases): ... this one; remove.
5243         (trivially_visible_alias): New
5244         (trivially_defined_alias): New.
5245         (remove_unreachable_alias_pairs): Rewrite.
5246         (finish_aliases_1): Reorganize code checking if alias is defined.
5247         * passes.c (rest_of_decl_compilation): Do not call assemble_alias when
5248         in LTO mode.
5249
5250 2011-01-11  Richard Guenther  <rguenther@suse.de>
5251
5252         PR tree-optimization/46076
5253         * tree-ssa.c (useless_type_conversion_p): Conversions from
5254         unprototyped to empty argument list function types are useless.
5255
5256 2011-01-11  Richard Guenther  <rguenther@suse.de>
5257
5258         PR middle-end/45235
5259         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not mark
5260         volatile MEMs as MEM_READONLY_P.
5261
5262 2011-01-11  Richard Guenther  <rguenther@suse.de>
5263
5264         PR tree-optimization/47239
5265         * tree-ssa-ccp.c (get_value_from_alignment): Punt for FUNCTION_DECLs.
5266
5267 2011-01-11  Jeff Law  <law@redhat.com>
5268
5269         PR tree-optimization/47086
5270         * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Do not record
5271         IVs from statements that might throw.
5272
5273 2011-01-10  Jan Hubicka  <jh@suse.cz>
5274
5275         PR lto/45375
5276         * lto-cgraph.c (input_profile_summary): Remove overactive sanity check.
5277
5278 2011-01-10  Jan Hubicka  <jh@suse.cz>
5279
5280         PR lto/45375
5281         * profile.c (read_profile_edge_counts): Ignore profile inconistency
5282         when correcting profile.
5283
5284 2011-01-10  Jan Hubicka  <jh@suse.cz>
5285
5286         PR lto/46083
5287         * lto-streamer-out.c (pack_ts_function_decl_value_fields): Store
5288         DECL_FINI_PRIORITY.
5289         * lto-streamer-in.c (unpack_ts_function_decl_value_fields):
5290         Restore DECL_FINI_PRIORITY.
5291
5292 2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5293
5294         * doc/gimple.texi: Fix quoting of multi-word return values in
5295         @deftypefn statements.  Ensure presence of return value.  Wrap
5296         overlong @deftypefn lines.
5297         (is_gimple_operand, is_gimple_min_invariant_address): Remove
5298         descriptions of removed functions.
5299         * doc/hostconfig.texi (Host Common): Wrap long line, fix quoting
5300         of multi-word return value in @deftypefn statement.
5301
5302 2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5303
5304         * doc/gimple.texi (Temporaries, Operands, Compound Lvalues)
5305         (Conditional Expressions, Logical Operators)
5306         (Statement and operand traversals): Do not indent smallexample
5307         code.  Fix duplicate function argument in example.
5308
5309 2011-01-10  Jeff Law  <law@redhat.com>
5310
5311         PR tree-optimization/47141
5312         * ipa-split.c (split_function): Handle case where we are
5313         returning a value and the return block has a virtual operand phi.
5314
5315 2011-01-10  Jan Hubicka  <jh@suse.cz>
5316
5317         PR tree-optimization/47234
5318         * tree-pass.h (TODO_rebuild_cgraph_edges): New TODO.
5319         (pass_feedback_split_functions): Declare.
5320         * passes.c (init_optimization_passes): Add ipa-split as subpass of
5321         tree-profile.
5322         * ipa-split.c (gate_split_functions): Update comments; disable
5323         split-functions for profile_arc_flag and branch_probabilities.
5324         (gate_feedback_split_functions): New function.
5325         (execute_feedback_split_functions): New function.
5326         (pass_feedback_split_functions): New global var.
5327
5328 2011-01-10  H.J. Lu  <hongjiu.lu@intel.com>
5329
5330         PR lto/46760
5331         * tree-inline.c (tree_can_inline_p): Check e->call_stmt before
5332         calling gimple_call_set_cannot_inline.
5333
5334 2011-01-10  Iain Sandoe  <iains@gcc.gnu.org>
5335
5336         * config/darwin-sections.def: Remove unused section.
5337
5338 2011-01-10  Dave Korn  <dave.korn.cygwin@gmail.com>
5339
5340         PR c++/47218
5341         * cgraphunit.c (assemble_thunk): Call resolve_unique_section.
5342
5343 2011-01-09  Nicola Pero  <nicola.pero@meta-innovation.com>
5344
5345         PR objc/47232
5346         * c-parser.c (c_parser_declaration_or_fndef): Improved
5347         error message.
5348
5349 2011-01-09  Kai Tietz  <kai.tietz@onevision.com>
5350
5351         * config/i386/winnt.c (i386_pe_start_function): Make sure
5352         to switch back to function's section.
5353
5354 2011-01-09  Iain Sandoe  <iains@gcc.gnu.org>
5355
5356         PR gcc/46902
5357         PR testsuite/46912
5358         * plugin.c: Move include of dlfcn.h from here...
5359         * system.h: ... to here.
5360
5361 2011-01-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5362
5363         * doc/cpp.texi (C++ Named Operators): Fix markup for header
5364         file name.
5365         * doc/cppinternals.texi (Top): Wrap node in @ifnottex to avoid
5366         two extra empty pages in PDF output.
5367
5368 2011-01-08  Nicola Pero  <nicola.pero@meta-innovation.com>
5369
5370         PR objc/47078
5371         * c-parser.c (c_parser_objc_type_name): If the type is unknown,
5372         for error recovery purposes behave as if it was not specified so
5373         that the default type is usd.
5374
5375 2011-01-07  Jan Hubicka  <jh@suse.cz>
5376
5377         PR tree-optmization/46469
5378         * ipa.c (function_and_variable_visibility): Clear needed flags on
5379         nodes with external decls; handle weakrefs merging correctly.
5380
5381 2011-01-07  Joseph Myers  <joseph@codesourcery.com>
5382
5383         * opts.c (finish_options): Set opts->x_flag_opts_finished to true,
5384         not false.
5385
5386 2011-01-07  Jan Hubicka  <jh@suse.cz>
5387
5388         * doc/invoke.texi: (-flto, -fuse-linker-plugin): Update defaults
5389         and no longer claim that gold is required for linker plugin.
5390         * configure: Regenerate.
5391         * gcc.c (PLUGIN_COND): New macro.
5392         (LINK_COMMAND_SPEC): Use it.
5393         (main): Default to plugin enabled with HAVE_LTO_PLUGIN is set.
5394         * config.in (HAVE_LTO_PLUGIN): New.
5395         * configure.ac (--with-lto-plugin): New parameter; autodetect
5396         HAVE_LTO_PLUGIN.
5397
5398 2011-01-07  Jan Hubicka  <jh@suse.cz>
5399
5400         PR tree-optimization/46367
5401         * ipa-inline.c (cgraph_clone_inlined_nodes): Use original function only
5402         when we can update original.
5403         (cgraph_mark_inline_edge): Sanity check.
5404         * ipa-prop.c (ipa_make_edge_direct_to_target): Sanity check.
5405
5406 2011-01-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5407
5408         * config/spu/spu.h (ASM_COMMENT_START): Define.
5409
5410 2011-01-07  H.J. Lu  <hongjiu.lu@intel.com>
5411
5412         PR driver/42445
5413         * gcc.c (%>S): New.
5414         (SWITCH_KEEP_FOR_GCC): Likewise.
5415         (set_collect_gcc_options): Check SWITCH_KEEP_FOR_GCC.
5416         (do_spec_1): Handle "%>".
5417
5418         * config/i386/i386.h (CC1_CPU_SPEC): Replace "%<" with "%>".
5419
5420 2011-01-07  Jakub Jelinek  <jakub@redhat.com>
5421
5422         PR target/47201
5423         * config/i386/i386.c (ix86_delegitimize_address): If
5424         simplify_gen_subreg fails, return orig_x.
5425
5426         PR bootstrap/47187
5427         * value-prof.c (gimple_stringop_fixed_value): Handle
5428         lhs of the call properly.
5429
5430 2011-01-07  Jan Hubicka  <jh@suse.cz>
5431
5432         PR lto/45375
5433         * lto-opt.c (lto_reissue_options): Set flag_shlib.
5434
5435 2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>
5436
5437         * target.def (function_switched_text_sections): New hook.
5438         * doc/tm.texi: Regenerated.
5439         * doc/tm.texi.in (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
5440         * final.c (default_function_switched_text_sections): New.
5441         (final_scan_insn): Call function_switched_text_sections when a
5442         mid-function section change occurs.
5443         * output.h (default_function_switched_text_sections): Declare.
5444         * config/darwin-protos.h (darwin_function_switched_text_sections):
5445         Likewise.
5446         * config/darwin.c (darwin_function_switched_text_sections): New.
5447         * config/darwin.h (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
5448
5449 2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>
5450
5451         * dwarf2out.c (gen_subprogram_die):  Add pubnames with code ranges for
5452         DWARF >= 3.  Add pubnames for the primary section and a reduced DIE for
5453         the secondary code fragment when outputting for DWARF == 2.
5454
5455 2011-01-07  Anatoly Sokolov  <aesok@post.ru>
5456
5457         * config/xtensa/xtensa.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
5458         * config/xtensa/xtensa-protos.h (xtensa_output_addr_const_extra):
5459         Remove.
5460         * config/xtensa/xtensa.c (xtensa_output_addr_const_extra): Make static.
5461         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
5462
5463 2011-01-06  Eric Botcazou  <ebotcazou@adacore.com>
5464
5465         PR debug/46704
5466         * dwarf2out.c (dwarf2out_finish): Output the debug_aranges section only
5467         when it is not empty.
5468
5469 2011-01-06  Changpeng Fang  <changpeng.fang@amd.com>
5470
5471         Bobcat Enablement
5472         * config.gcc (i[34567]86-*-linux* | ...): Add btver1.
5473         (case ${target}): Add btver1.
5474         * config/i386/driver-i386.c (host_detect_local_cpu): Let
5475         -march=native recognize btver1 processors.
5476         * config/i386/i386-c.c (ix86_target_macros_internal): Add
5477         btver1 def_and_undef
5478         * config/i386/i386.c (struct processor_costs btver1_cost): New
5479         btver1 cost table.
5480         (m_BTVER1): New definition.
5481         (m_AMD_MULTIPLE): Includes m_BTVER1.
5482         (initial_ix86_tune_features): Add btver1 tune.
5483         (processor_target_table): Add btver1 entry.
5484         (static const char *const cpu_names): Add btver1 entry.
5485         (software_prefetching_beneficial_p): Add btver1.
5486         (ix86_option_override_internal): Add btver1 instruction sets.
5487         (ix86_issue_rate): Add btver1.
5488         (ix86_adjust_cost): Add btver1.
5489         * config/i386/i386.h (TARGET_BTVER1): New definition.
5490         (enum target_cpu_default): Add TARGET_CPU_DEFAULT_btver1.
5491         (enum processor_type): Add PROCESSOR_BTVER1.
5492         * config/i386/i386.md (define_attr "cpu"): Add btver1.
5493
5494 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5495
5496         PR target/43309
5497         * config/i386/i386.c (legitimize_tls_address)
5498         <TLS_MODEL_INITIAL_EXEC>: Handle TARGET_64BIT && TARGET_SUN_TLS.
5499         * config/i386/i386.md (UNSPEC_TLS_IE_SUN): Declare.
5500         (tls_initial_exec_64_sun): New pattern.
5501
5502 2011-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
5503
5504         * doc/invoke.texi (Overall Options): Improve wording and markup
5505         of the description of -wrapper.
5506
5507 2011-01-06  Joseph Myers  <joseph@codesourcery.com>
5508
5509         * config/sol2.opt (G, YP,, Ym,, compat-bsd, pthread, pthreads,
5510         rdynamic, threads): New Driver options.
5511
5512 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5513
5514         PR target/38118
5515         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Also switch to .bss
5516         if coming from .tdata.
5517         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
5518
5519 2011-01-06  Jan Hubicka  <jh@suse.cz>
5520
5521         PR lto/47188
5522         * collect2.c (main): Do not enable LTOmode when plugin is active.
5523
5524 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5525
5526         PR other/45915
5527         * configure.ac (gcc_cv_as_gnu_unique_object): Only use ldd
5528         --version output if supported.
5529         * configure: Regenerate.
5530
5531 2011-01-06  Joseph Myers  <joseph@codesourcery.com>
5532
5533         * config/linux-android.opt (tno-android-cc, tno-android-ld): New
5534         Driver options.
5535
5536 2011-01-06  Jakub Jelinek  <jakub@redhat.com>
5537
5538         PR c/47150
5539         * c-convert.c (convert): When converting a complex expression
5540         other than COMPLEX_EXPR to a different complex type, ensure
5541         c_save_expr is called instead of save_expr, unless in_late_binary_op.
5542         * c-typeck.c (convert_for_assignment): Set in_late_binary_op also
5543         when converting COMPLEX_TYPE.
5544
5545 2011-01-06  Ira Rosen  <irar@il.ibm.com>
5546
5547         PR tree-optimization/47139
5548         * tree-vect-loop.c (vect_is_simple_reduction_1): Check that
5549         only the last reduction value is used outside the loop.  Update
5550         documentation.
5551
5552 2011-01-05  Joseph Myers  <joseph@codesourcery.com>
5553
5554         * config/rtems.opt: New.
5555         * config.gcc (*-*-rtems*): Use rtems.opt.
5556
5557 2011-01-05  Changpeng Fang  <changpeng.fang@amd.com>
5558
5559         * config/i386/i386.c (ix86_option_override_internal): Bulldozer
5560         processors do not support 3DNow instructions.
5561
5562 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5563
5564         * config/spu/spu.c (spu_option_override): Set parameter
5565         PARAM_MAX_COMPLETELY_PEEL_TIMES to 4 instead of 1.
5566
5567 2011-01-05  Jan Hubicka  <jh@suse.cz>
5568
5569         * lto-wrapper.c (run_gcc): Default to WHOPR mode when none is specified
5570         at the command line.
5571
5572 2011-01-05  Martin Jambor  <mjambor@suse.cz>
5573
5574         PR lto/47162
5575         * lto-cgraph.c (output_cgraph_opt_summary_p): Also check for thunk
5576         deltas on streamed outgoing edges.
5577         (output_node_opt_summary): Output info for outgoing edges only when
5578         the node is in new parameter set.
5579         (output_cgraph_opt_summary): New parameter set, passed to the two
5580         aforementioned functions.  Update its forward declaration and its
5581         callee too.
5582
5583 2011-01-05  Tom Tromey  <tromey@redhat.com>
5584
5585         * c-parser.c (c_parser_omp_atomic): Pass location of assignment
5586         operator to c_finish_omp_atomic.
5587         * c-typeck.c (lvalue_or_else): Add 'loc' argument.
5588         (build_unary_op): Update.
5589         (build_modify_expr): Update.
5590         (build_asm_expr): Update.
5591
5592 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5593
5594         * config/spu/spu.c (emit_nop_for_insn): Set INSN_LOCATOR for
5595         newly inserted insns.
5596         (pad_bb): Likewise.
5597         (spu_emit_branch_hint): Likewise.
5598         (insert_hbrp_for_ilb_runout): Likewise.
5599         (spu_machine_dependent_reorg): Call df_finish_pass after
5600         schedule_insns returns.
5601
5602 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5603
5604         * config/spu/spu.c (spu_expand_prologue): Support -fstack-usage.
5605
5606 2011-01-05  Eric Botcazou  <ebotcazou@adacore.com>
5607
5608         PR tree-optimization/47005
5609         * tree-sra.c (struct access): Add 'non_addressable' bit.
5610         (create_access): Set it for a DECL_NONADDRESSABLE_P field.
5611         (decide_one_param_reduction): Return 0 if the parameter is passed by
5612         reference and one of the accesses in the group is non_addressable.
5613
5614 2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>
5615
5616         PR tree-optimization/47056
5617         * cgraphbuild.c (mark_address): Remove ATTRIBUTE_UNUSED markers.
5618         (mark_load): Likewise.  Handle FUNCTION_DECL specially.
5619         (mark_store): Likewise.  Pass STMT to ipa_record_reference.
5620
5621 2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>
5622
5623         * dwarf2out.c (rtl_for_decl_init): Strip no-op conversions off the
5624         initializer.  Skip view conversions from aggregate types.
5625
5626 2011-01-04  Kai Tietz  <kai.tietz@onevision.com>
5627
5628         PR bootstrap/47055
5629         * libgcov.c (gcov_exit): Check for HAS_DRIVE_SPEC.
5630
5631 2011-01-04  Philipp Thomas  <pth@suse.de>
5632
5633         * config/microblaze/microbalse.opt (mxl-float-convert): Fix
5634         obvious typo.
5635
5636 2011-01-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5637
5638         * function.c (thread_prologue_and_epilogue_insns): Do not crash
5639         on empty epilogue sequences.
5640
5641 2011-01-04  Joseph Myers  <joseph@codesourcery.com>
5642
5643         * config/vxworks.opt (Bdynamic, Bstatic, Xbind-lazy, Xbind-now,
5644         non-static): New Driver options.
5645
5646 2011-01-04  Jie Zhang  <jie@codesourcery.com>
5647
5648         PR driver/47137
5649         * gcc.c (default_compilers[]): Set combinable field to 0
5650         for all assembly languages.
5651
5652 2011-01-04  Mingjie Xing  <mingjie.xing@gmail.com>
5653
5654         * config/mips/loongson3a.md: New file.
5655         * config/mips/mips.md: Include loongson3a.md.
5656         * config/mips/mips.c (mips_multipass_dfa_lookahead): Return 4 when
5657         TUNE_LOONGSON_3A.
5658
5659 2011-01-03  Eric Botcazou  <ebotcazou@adacore.com>
5660
5661         PR middle-end/47017
5662         * expr.c (expand_expr_real_1) <MEM_REF>: Call memory_address_addr_space
5663         instead of convert_memory_address_addr_space on the base expression.
5664
5665 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5666
5667         * config/spu/spu.c (spu_option_override): Update error text
5668         for bad -march= / -mtune= values.
5669
5670 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5671
5672         * config/spu/spu.c (asm_file_start): Only reset flag_var_tracking
5673         if branch-hint optimization will be performed.
5674
5675 2011-01-03  Jakub Jelinek  <jakub@redhat.com>
5676
5677         PR tree-optimization/47148
5678         * ipa-split.c (split_function): Convert arguments to
5679         DECL_ARG_TYPE if possible.
5680
5681         PR tree-optimization/47155
5682         * tree-ssa-ccp.c (bit_value_binop_1): Use r1type instead of type
5683         when computing uns.
5684
5685         PR rtl-optimization/47157
5686         * combine.c (try_combine): If undobuf.other_insn becomes
5687         (set (pc) (pc)) jump, call update_cfg_for_uncondjump on it
5688         and set *new_direct_jump_p too.
5689
5690 2011-01-03  Sebastian Pop  <sebastian.pop@amd.com>
5691
5692         PR tree-optimization/47021
5693         * graphite-sese-to-poly.c (scan_tree_for_params): Handle ADDR_EXPR.
5694
5695 2011-01-03  Jakub Jelinek  <jakub@redhat.com>
5696
5697         * gcc.c (process_command): Update copyright notice dates.
5698         * gcov.c (print_version): Likewise.
5699         * gcov-dump.c (print_version): Likewise.
5700         * mips-tfile.c (main): Likewise.
5701         * mips-tdump.c (main): Likewise.
5702
5703 2011-01-03  Martin Jambor  <mjambor@suse.cz>
5704
5705         PR tree-optimization/46801
5706         * tree-sra.c (type_internals_preclude_sra_p): Check whether
5707         aggregate fields start at byte boundary instead of the bit-field flag.
5708
5709 2011-01-03  H.J. Lu  <hongjiu.lu@intel.com>
5710
5711         PR driver/47137
5712         * gcc.c (main): Revert revision 168407.
5713
5714 2011-01-03  Martin Jambor  <mjambor@suse.cz>
5715
5716         * lto-cgraph.c (input_cgraph_opt_section): Use the correct section type.
5717
5718 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5719
5720         * tree-vect-generic.c (expand_vector_operations_1): When using vector/
5721         vector optab to expand vector/scalar shift, update gimple to vector.
5722
5723 2011-01-03  Martin Jambor  <mjambor@suse.cz>
5724
5725         * cgraphunit.c (verify_cgraph_node): Verify there is no direct call to
5726         a thunk.
5727
5728 2011-01-03  Martin Jambor  <mjambor@suse.cz>
5729
5730         PR tree-optimization/46984
5731         * cgraph.h (cgraph_indirect_call_info): make field thunk_delta
5732         HOST_WIDE_INT.
5733         (cgraph_create_indirect_edge): Fixed line length.
5734         (cgraph_indirect_call_info): Declare.
5735         (cgraph_make_edge_direct) Update declaration.
5736         * cgraph.c (cgraph_allocate_init_indirect_info): New function.
5737         (cgraph_create_indirect_edge): Use it.
5738         (cgraph_make_edge_direct): Made delta HOST_WIDE_INT.  Updated all
5739         callees.
5740         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update for
5741         the new thunk_delta representation.
5742         * ipa-prop.c (ipa_make_edge_direct_to_target): Convert delta to
5743         HOST_WIDE_INT.
5744         (ipa_write_indirect_edge_info): Remove streaming of thunk_delta.
5745         (ipa_read_indirect_edge_info): Likewise.
5746         * lto-cgraph.c (output_edge_opt_summary): New function.
5747         (output_node_opt_summary): Call it on all outgoing edges.
5748         (input_edge_opt_summary): New function.
5749         (input_node_opt_summary): Call it on all outgoing edges.
5750
5751 2011-01-02  H.J. Lu  <hongjiu.lu@intel.com>
5752
5753         PR driver/47137
5754         * gcc.c (main): Don't check have_o when settting combine_inputs.
5755
5756 2011-01-02  Eric Botcazou  <ebotcazou@adacore.com>
5757
5758         * regrename.c: Add general comment describing the pass.
5759         (struct du_head): Remove 'length' field.
5760         (get_element, merge_sort_comparison, merge, sort_du_head): Remove.
5761         (regrename_optimize): Do not sort chains.  Rework comments, add others.
5762         Force renaming to the preferred class (if any) in the first pass and do
5763         not consider registers that belong to it in the second pass.
5764         (create_new_chain): Do not set 'length' field.
5765         (scan_rtx_reg): Likewise.
5766
5767 2011-01-02  Jakub Jelinek  <jakub@redhat.com>
5768
5769         PR tree-optimization/47140
5770         * tree-ssa-ccp.c (evaluate_stmt): For binary assignments, use
5771         TREE_TYPE (lhs) instead of TREE_TYPE (rhs1) as second argument
5772         to bit_value_binop.
5773
5774         PR rtl-optimization/47028
5775         * cfgexpand.c (gimple_expand_cfg): Insert entry edge insertions after
5776         parm_birth_insn instead of at the beginning of first bb.
5777
5778 2011-01-02  Mingjie Xing  <mingjie.xing@gmail.com>
5779
5780         * doc/generic.texi: Remove duplicated "@subsubsection Statements".
5781         Remove the word "see" before "@pxref".
5782         * doc/rtl.texi: Remove the word "see" before "@pxref".
5783
5784 2011-01-01  Jan Hubicka  <jh@suse.cz>
5785
5786         * tree-loop-distribution.c (tree_loop_distribution): Do not use freed
5787         memory.
5788
5789 2011-01-01  Kai Tietz  <kai.tietz@onevision.com>
5790
5791         PR target/38662
5792         * tree.c (type_hash_eq): Call language hook for METHOD_TYPEs, too.
5793
5794 \f
5795 Copyright (C) 2011 Free Software Foundation, Inc.
5796
5797 Copying and distribution of this file, with or without modification,
5798 are permitted in any medium without royalty provided the copyright
5799 notice and this notice are preserved.