1 2010-04-06 Richard Guenther <rguenther@suse.de>
4 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
6 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
8 * doc/invoke.texi (Optimize Options): Document that LTO
9 won't remove object access purely due to incompatible
12 2010-04-04 Matthias Klose <doko@ubuntu.com>
14 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
17 2010-04-03 Richard Guenther <rguenther@suse.de>
20 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
21 require a non-NULL MEM_OFFSET.
23 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
25 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
26 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
27 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
28 config/alpha/predicates.md, config/arm/arm.md,
29 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
30 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
31 config/darwin9.h, config/darwin.c, config/darwin.h,
32 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
33 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
34 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
35 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
36 config/mips/mips.md, config/mn10300/mn10300.c,
37 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
38 config/rs6000/aix.h, config/rs6000/dfp.md,
39 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
40 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
41 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
42 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
43 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
44 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
45 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
46 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
47 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
48 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
49 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
50 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
51 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
52 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
53 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
54 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
55 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
56 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
57 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
58 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
59 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
60 opt-functions.awk, opth-gen.awk, params.def, passes.c,
61 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
62 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
63 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
64 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
65 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
66 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
67 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
68 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
69 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
70 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
71 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
72 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
73 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
74 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
76 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
79 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
80 * aclocal.m4: Regenerate.
82 2010-04-02 Richard Guenther <rguenther@suse.de>
84 PR tree-optimization/43629
85 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
86 if we have seen a constant value.
88 2010-04-02 Joseph Myers <joseph@codesourcery.com>
90 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for
93 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
96 * arm.c (legitimize_tls_address): Adjust call to
97 gen_tls_load_dot_plus_four.
98 (arm_note_pic_base): New function.
99 (arm_cannot_copy_insn_p): Use it.
100 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
103 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
108 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
110 * Makefile.in ($(out_object_file)): Depend on
111 gt-$(basename $(notdir $(out_file))).h.
113 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
115 * config.gcc (lm32-*-rtems*): Add t-lm32.
117 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
119 * config.gcc: Add lm32-*-rtems*.
120 * config/lm32/rtems.h: New file.
122 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
125 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
127 2010-04-01 Jakub Jelinek <jakub@redhat.com>
129 * dwarf2out.c (output_compilation_unit_header): For
130 -gdwarf-4 use version 4 instead of version 3.
131 (output_line_info): For version 4 and above emit additional
132 maximum ops per insn header field.
133 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
135 * dwarf2out.c (is_c_family, is_java): Remove.
136 (lower_bound_default): New function.
137 (add_bound_info, gen_descr_array_type_die): Use it.
139 2010-04-01 Dodji Seketeli <dodji@redhat.com>
142 * dwarf2out.c (gen_variable_die): Allow debug info for variable
143 re-declaration when it happens in a function.
145 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
147 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
148 (cgraph_remove_function_insertion_hook): Same.
149 (cgraph_call_function_insertion_hooks): Same.
151 2010-04-01 Richard Guenther <rguenther@suse.de>
154 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
155 and TREE_THIS_VOLATILE.
156 (copy_ref_info): Likewise.
157 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
158 * tree.c (build6_stat): Ignore side-effects of all but arg5
159 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
162 2010-04-01 Richard Guenther <rguenther@suse.de>
164 PR tree-optimization/43607
165 * ipa-type-escape.c (check_call): Do not access non-existing
168 2010-04-01 Richard Guenther <rguenther@suse.de>
172 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
173 Jack Howarth <howarth@bromo.med.uc.edu>
175 * tree-profile.c (tree_init_ic_make_global_vars): Make static
178 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
180 * doc/install.texi (Prerequisites): Document libelf usability on
181 IRIX 5/6 and Solaris 2.
182 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
183 Update GNU as, GNU ld requirements.
184 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
185 Document Sun Studio compiler download.
186 Update and simplify as, ld recommendations.
187 (Specific, *-*-solaris2.7): Note obsoletion, removal.
189 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
191 * config.guess (i[34567]86-*-solaris2*): Default with_arch_32,
192 with_tune_32 to pentium4.
194 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
196 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
198 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
200 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
203 Document GNU as requirement.
204 Update configure requirements.
205 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion,
207 Recomment IRIX 6.5.18+.
208 Document IDF/IDL requirement.
209 Document GNU as requirement.
210 Document GNU ld bootstrap failure.
211 Remove freeware.sgi.com reference.
213 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
215 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
216 UNIX V4.0, V5.0 obsoletion, removal.
217 Remove --with-gc=simple reference.
218 Update VM requirements during bootstrap.
219 Remove -oldas bootstrap description.
220 Update binutils reference.
221 Remove comparison failure note.
223 2010-03-31 Richard Guenther <rguenther@suse.de>
224 Zdenek Dvorak <ook@ucw.cz>
225 Sebastian Pop <sebastian.pop@amd.com>
228 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
229 with multiple arguments.
230 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
232 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
234 * graphite-dependences.c (print_pddr): Call print_pdr with an
236 * graphite-poly.c (debug_pdr): Add an extra argument for the
239 (print_pbb_domain): Same.
241 (print_scop_context): Same.
244 (debug_pbb_domain): Same.
248 (debug_scop_context): Same.
251 (print_scop_params): Same.
252 (debug_scop_params): Same.
253 (print_iteration_domain): Same.
254 (print_iteration_domains): Same.
255 (debug_iteration_domain): Same.
256 (debug_iteration_domains): Same.
257 (print_scattering_function): Same.
258 (print_scattering_functions): Same.
259 (debug_scattering_function): Same.
260 (debug_scattering_functions): Same.
261 * graphite-poly.h (debug_pdr): Update declaration.
263 (print_pbb_domain): Same.
265 (print_scop_context): Same.
268 (debug_pbb_domain): Same.
272 (debug_scop_context): Same.
275 (print_scop_params): Same.
276 (debug_scop_params): Same.
277 (print_iteration_domain): Same.
278 (print_iteration_domains): Same.
279 (debug_iteration_domain): Same.
280 (debug_iteration_domains): Same.
281 (print_scattering_function): Same.
282 (print_scattering_functions): Same.
283 (debug_scattering_function): Same.
284 (debug_scattering_functions): Same.
286 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
288 * graphite-poly.c (print_scattering_function_1): New.
289 (print_scattering_function): Call it.
290 (print_scop_params): Remove spaces at the end of lines.
293 * graphite-poly.h (print_cloog): Declared.
294 (debug_cloog): Declared.
296 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
298 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
300 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
301 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
302 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
303 to switch between adding the IV bump in loop->latch or in loop->header.
305 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
307 * graphite-poly.c (print_scattering_function): Pretty print following
310 (print_pbb_domain): Same.
311 (dump_gbb_cases): Same.
312 (dump_gbb_conditions): Same.
315 (print_scop_params): Same.
316 (print_scop_context): Same.
318 (print_pbb_body): New.
319 (lst_indent_to): New.
320 (print_lst): Start new lines with a #.
321 * graphite-poly.h (pbb_bb): New.
322 (pbb_index): Use pbb_bb.
323 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
325 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
327 2010-03-31 Jakub Jelinek <jakub@redhat.com>
329 * dwarf2out.c (size_of_die): For -gdwarf-4 use
330 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
331 and 0 instead of 1 for dw_val_class_flag.
332 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
333 dw_val_class_range_list, dw_val_class_loc_list,
334 dw_val_class_lineptr and dw_val_class_macptr, use
335 DW_FORM_flag_present for dw_val_class_flag and
336 DW_FORM_exprloc for dw_val_class_loc.
337 (output_die): For -gdwarf-4 print dw_val_class_loc
338 size as uleb128 instead of 1 or 2 bytes and don't print
339 anything for dw_val_class_flag.
341 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
342 instead of cselib_lookup following by tweaking locs->setting_insn.
345 * cselib.c (cselib_process_insn): Clear cselib_current_insn
346 even before returning from label, setjmp call or volatile asm
349 2010-03-31 Richard Guenther <rguenther@suse.de>
352 * cgraphunit.c (cgraph_output_in_order): Do not allocate
353 temporary data on stack.
355 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
357 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
358 (PUSHSECTION_ASM_OP): Remove.
359 (POPSECTION_ASM_OP): Remove.
360 (PUSHSECTION_FORMAT): Remove.
361 * config/sol2.h (PUSHSECTION_FORMAT): Define.
362 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
363 * config/sol2.c (solaris_output_init_fini): Use it.
365 2010-03-31 Jie Zhang <jie@codesourcery.com>
368 * opt-functions.awk (var_type_struct): Use signed char type
369 for simple variables.
371 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
373 * config/sol2.c: Include output.h.
374 (solaris_assemble_visibility): New function.
375 * config/t-sol2 (sol2.o): Add output.h dependency.
376 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
377 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
380 2010-03-31 Jakub Jelinek <jakub@redhat.com>
383 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
384 V2SImode or XFmode on PRE_DEC.
387 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
390 2010-03-31 Jie Zhang <jie@codesourcery.com>
393 * reload.h (caller_save_initialized_p): Declare.
394 * toplev.c (backend_init_target): Don't call
395 init_caller_save but set caller_save_initialized_p to false.
396 * caller-save.c (caller_save_initialized_p): Define.
397 (init_caller_save): Check caller_save_initialized_p.
398 * ira.c (ira): Call init_caller_save if flag_caller_saves.
400 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
403 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
404 and soft-fp/t-softfp to tmake_file.
405 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
406 (LIBGCC2_TF_CEXT): Define.
409 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
412 * cselib.c (n_useless_values): Document handling of debug locs.
413 (n_useless_debug_values, n_debug_values): New variables.
414 (new_elt_loc_list): Don't add to debug values, keep count.
415 (promote_debug_loc): New.
416 (cselib_reset_table): Zero new variables.
417 (entry_and_rtx_equal_p): Promote debug locs.
418 (discard_useless_locs): Increment n_useless_debug_values for
420 (remove_useless_values): Adjust n_useless_values and n_debug_values
421 with n_useless_debug_values.
422 (add_mem_for_addr): Promote debug locs.
423 (cselib_lookup_mem): Likewise.
424 (cselib_lookup_addr): Renamed to...
425 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
426 (cselib_log_lookup): ... this. Turn into...
427 (cselib_lookup_addr): ... new wrapper.
428 (cselib_lookup_from_insn): New.
429 (cselib_invalidate_regno): Increment n_useless_debug_values for
431 (cselib_invalidate_mem): Likewise.
432 (cselib_process_insn): Take n_deleted and n_debug_values into
433 account to guard remove_useless_value call.
434 (cselib_finish): Zero n_useless_debug_values.
435 * cselib.h (cselib_lookup_from_insn): Declare.
436 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
437 (sched_analyze_2): Likewise.
439 2010-03-30 Jakub Jelinek <jakub@redhat.com>
441 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
443 (adjust_mems): Replace narrowing SUBREG of expression containing
444 just PLUS, MINUS, MULT and ASHIFT of registers and constants
445 with operations in the narrower mode.
448 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
449 regs_invalidated_by_call instead all call_used_reg_set registers.
451 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
454 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
455 pointer comparisons with types_compatible_p.
456 * tree-vect-stmts.c (vectorizable_call): Same.
457 (vectorizable_condition): Same.
459 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
461 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
462 stack check if the mask would be zero.
464 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
465 Jack Howarth <howarth@bromo.med.uc.edu>
467 * tree-profile.c (tree_init_ic_make_global_vars): Make static
470 2010-03-30 Joseph Myers <joseph@codesourcery.com>
473 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
475 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
476 Include ___unordxf2 and ___unordtf2.
477 * config/i386/libgcc-glibc.ver: Do not define inheritance from
480 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
482 * config/lm32/t-lm32: New file.
483 * config.gcc: Use the above file when targetting lm32.
485 2010-03-28 Duncan Sands <baldrick@free.fr>
487 * Makefile.in (PLUGIN_HEADERS): Add except.h.
489 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
492 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
493 Improve vectorization cost model diagnostic.
495 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
498 * tree-vect-data-refs.c (vect_analyze_data_refs): When
499 compute_data_dependences_for_loop returns false, early exit
500 and output an extra diagnostic for the failed data reference
503 2010-03-29 Richard Guenther <rguenther@suse.de>
505 PR tree-optimization/43560
506 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
507 (can_sm_ref_p): Treat stores to readonly locations as trapping.
509 2010-03-29 Jie Zhang <jie@codesourcery.com>
512 * toplev.c (process_options): Set optimization_default_node
513 and optimization_current_node.
514 * opts.c (decode_options): Don't set optimization_default_node
515 and optimization_current_node.
517 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
519 * config/rtems.h: Abandon -qrtems_debug.
521 2010-03-28 Jan Hubicka <jh@suse.cz>
523 PR tree-optimization/43505
524 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
525 map should not be copied.
527 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
530 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
531 cdtors, set DECL_PRESERVE_P.
532 * ipa.c (cgraph_externally_visible_p): Return true if declaration
535 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
537 PR tree-optimization/43528
538 * stor-layout.c (place_field): Check that constant fits into
539 unsigned HWI when skipping calculation of MS bitfield layout.
541 2010-03-27 Jan Hubicka <jh@suse.cz>
544 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
545 notice_global_symbol work.
547 2010-03-27 Jakub Jelinek <jakub@redhat.com>
549 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
550 instead of dwarf2out_decl.
551 (struct var_loc_node): Remove section_label field.
552 (dwarf2out_function_decl): New function.
553 (dwarf2out_var_location): Don't set section_label field.
554 (dwarf2out_begin_function): Don't empty decl_loc_table here.
556 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
558 PR tree-optimization/43544
559 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
560 First argument for builtin vectorized function hook is now a
561 tree to be able to distinguish between machine specific and
563 * targhooks.c (default_builtin_vectorized_function): Ditto.
564 * targhooks.h (default_builtin_vectorized_function): Ditto.
565 * target.h (struct gcc_target): Ditto.
566 * tree-vect-stmts.c (vectorizable_function): Ditto.
567 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
568 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
571 2010-03-26 Joseph Myers <joseph@codesourcery.com>
574 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
575 nested binding iff it is a FUNCTION_DECL.
576 (store_parm_decls_newstyle): Pass nested=true to bind for
577 FUNCTION_DECLs amongst parameters.
579 2010-03-26 Jakub Jelinek <jakub@redhat.com>
581 * var-tracking.c (vt_expand_loc_callback): Don't run
582 cselib_expand_value_rtx_cb in dummy mode if
583 cselib_dummy_expand_value_rtx_cb returned false.
585 * var-tracking.c (emit_note_insn_var_location): For one part
586 notes with offset 0, don't add EXPR_LIST around the location.
587 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
588 add_location_or_const_value_attribute): Adjust for that change.
591 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
592 into first operand and location into second.
593 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
594 dw_cfi_oprnd_loc for DW_CFA_expression.
595 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
596 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
597 assume first argument is regnum and second argument is location.
599 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
602 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
603 of scratch register to DImode. Split to DImode comparison operator.
604 Use SImode subreg of scratch register in the multiplication.
605 (*cmp_sadd_sidi): Ditto.
606 (*cmp_ssub_si): Ditto.
607 (*cmp_ssub_sidi): Ditto.
609 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
612 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
613 Remove invalid assert and wrong comment.
615 2010-03-26 Jakub Jelinek <jakub@redhat.com>
618 * flags.h (final_insns_dump_p): New extern.
619 * final.c (final_insns_dump_p): New variable.
620 (rest_of_clean_state): Set it before -fdump-final-insns=
621 dumping, clear afterwards.
622 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
623 MEM_ALIAS_SET on MEMs.
625 2010-03-26 David S. Miller <davem@davemloft.net>
627 * configure.ac: Fix sparc GOTDATA_OP bug check.
628 * configure: Rebuild.
630 2010-03-26 Alan Modra <amodra@gmail.com>
632 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
634 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
636 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
637 TLS_SECTION_ASM_FLAG.
639 2010-03-25 Jakub Jelinek <jakub@redhat.com>
642 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
643 Clear first_function_block_is_cold.
646 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
647 argument if the argument is truth_value_p.
649 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
651 * config/rs6000/constraints.md: Update copyright year for my changes.
654 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
655 used in reg+reg addressing, swap registers.
657 2010-03-24 Jakub Jelinek <jakub@redhat.com>
660 * target.h (struct gcc_target): Add code_end hook.
661 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
663 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
664 * toplev.c (compile_file): Call targetm.asm_out.code_end
665 hook before unwind info/debug info output.
666 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
667 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
668 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
669 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
670 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
671 * config/i386/i386.c (ix86_file_end): Renamed to...
672 (ix86_code_end): ... this. Make static. Don't call
673 file_end_indicate_exec_stack. Emit unwind info using
674 final_start_function/final_end_function.
675 (darwin_x86_file_end): Remove.
676 (TARGET_ASM_CODE_END): Define.
677 * config/i386/i386.h (TARGET_ASM_FILE_END,
678 NEED_INDICATE_EXEC_STACK): Don't define.
679 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
680 (TARGET_ASM_FILE_END): Define to darwin_file_end.
681 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
682 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
685 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
686 at the beginning and final_end_function at the end.
687 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
689 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
691 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
692 and Sun as TLS syntax.
693 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
694 * configure: Regenerate.
695 * config.in: Regenerate.
696 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
697 (default_elf_asm_named_section): Use it.
698 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
699 (i386_output_dwarf_dtprel): Likewise.
700 (output_addr_const_extra): Likewise.
701 (output_pic_addr_const): Lowercase @GOTTPOFF.
702 (output_addr_const_extra): Likewise.
703 (output_pic_addr_const): Lowercase @GOTNTPOFF.
704 (output_addr_const_extra): Likewise.
705 (output_pic_addr_const): Lowercase @INDNTPOFF.
706 (output_addr_const_extra): Likewise.
707 (output_pic_addr_const): Lowercase @NTPOFF.
708 (output_addr_const_extra): Likewise.
709 (output_pic_addr_const): Lowercase @TPOFF.
710 (output_addr_const_extra): Likewise.
711 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
712 (*tls_global_dynamic_64): Likewise.
713 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
714 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
716 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
717 (ASM_OUTPUT_TLS_COMMON): Use it.
718 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
721 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
722 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
723 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
724 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
725 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
726 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
728 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
730 * config/i386/i386.c (override_options): Don't accept
731 -mtls-dialect=sun any longer.
732 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
733 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
734 (*tls_local_dynamic_base_32_sun): Likewise.
735 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
737 2010-03-24 Jakub Jelinek <jakub@redhat.com>
740 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
741 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
744 * ira.c (adjust_cleared_regs): New function.
745 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
749 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
751 * expr.c (expand_expr_real): Restore previous
752 curr_insn_source_location and curr_insn_block after
753 expand_expr_real_1 call.
754 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
755 instead of expand_expr_real_1.
757 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
759 PR rtl-optimization/43413
760 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
763 2010-03-22 James E. Wilson <wilson@codesourcery.com>
766 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
767 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
769 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
771 * config/i386/i386.c (ix86_target_string): Add -mfma.
772 Fix a typo in comment.
774 2010-03-22 Mike Stump <mikestump@comcast.net>
777 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
778 Don't overly align based upon packed packed fields.
780 2010-03-22 Jason Merrill <jason@redhat.com>
782 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
783 Use () rather than [], and move before the element type.
785 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
787 * doc/configfiles.texi (Configuration Files): Removed
788 fixinc/Makefile*, intl/Makefile.*.
789 * doc/makefile.texi: Fixed markup. Abstract from version
791 (Makefile): Removed obsolete gcc/java/parse.y example.
792 * doc/sourcebuild.texi: Likewise.
793 (Top Level): Added config, gnattools, libdecnumber, libgcc,
794 libgomp, libssp. Removed fastjar.
795 (Miscellaneous Docs): Clarify location.
796 Added COPYING3, COPYING3.LIB.
797 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
799 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
802 * config/i386/i386.c (x86_function_profiler)
803 [!NO_PROFILE_COUNTERS]: Fix typo.
804 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
807 2010-03-22 Janis Johnson <janis187@us.ibm.com>
808 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
810 * doc/sourcebuild.texi (Test Directives): Split into six
811 subsections, with most of the current text in new subsections
812 Directives, Selectors, and Final Actions.
813 (Directives): Split list of test directives into multiple
815 (Selectors): Describe use and syntax of selectors.
816 (Effective-Target Keywords): Describe all existing keywords.
817 (Add Options): Describe features for dg-add-options.
818 (Require Support): Describe variants of dg-require-support.
819 (Final Actions): Describe commands to use in dg-final.
821 2010-03-22 Michael Matz <matz@suse.de>
824 * recog.c (validate_replace_rtx_group): Replace also in
825 REG_EQUAL and REG_EQUIV notes.
827 2010-03-22 Richard Guenther <rguenther@suse.de>
829 PR tree-optimization/43390
830 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
831 sure vector extracts are type correct.
833 2010-03-22 Richard Guenther <rguenther@suse.de>
836 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
837 x * sqrt (x) even when optimizing for size if the target
838 has native support for sqrt.
840 2010-03-22 Jakub Jelinek <jakub@redhat.com>
842 * varasm.c (make_decl_rtl_for_debug): Also clear
843 flag_mudflap for the duration of make_decl_rtl call.
846 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
847 locs from preserved VALUEs.
849 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
852 * pa.md (movmemsi): Set align to one if zero.
853 (movmemdi): Likewise.
855 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
858 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
859 with their corresponding prologue pushes.
861 2010-03-20 Andrew Pinski <pinskia@gmail.com>
864 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
865 at the begining or end.
866 (spu_expand_epilogue): Likewise.
868 2010-03-20 Richard Guenther <rguenther@suse.de>
870 PR rtl-optimization/43438
871 * combine.c (make_extraction): Properly zero-/sign-extend an
872 extraction of the low part of a CONST_INT. Also handle
875 2010-03-19 Mike Stump <mikestump@comcast.net>
877 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
878 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
879 (override_options): Use SUBTARGET32_DEFAULT_CPU.
881 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
884 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
887 2010-03-19 Bernd Schmidt <bernd.schmidt@codesourcery.com>
889 PR rtl-optimization/42258
890 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
891 use that may match DEF.
894 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
895 the cost of loading the constant rather than assuming
897 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
898 outer code is AND, do the same tests as the andsi3 expander and
899 return COSTS_N_INSNS (1) if and is cheap.
901 * optabs.c (avoid_expensive_constant): Fix formatting.
903 2010-03-19 Michael Matz <matz@suse.de>
906 * attribs.c (decl_attributes): When rebuilding a function pointer
907 type use the same qualifiers as the original pointer type.
909 2010-03-19 Martin Jambor <mjambor@suse.cz>
911 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
912 and is_gimple_ip_invariant_address.
914 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
917 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
919 * config/arm/arm.c (arm_override_options): Turn off
920 flag_dwarf2_cfi_asm for AAPCS variants.
922 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
925 * config/arm/arm.c (emit_multi_reg_push): Update comments.
926 Use PRE_MODIFY instead of PRE_DEC.
927 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
928 (vfp_emit_fstmd): Likewise.
930 2010-03-19 Michael Matz <matz@suse.de>
933 * builtins.c (expand_builtin_interclass_mathfn,
934 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
937 2010-03-19 Richard Guenther <rguenther@suse.de>
939 PR tree-optimization/43415
940 * tree-ssa-pre.c (phi_translate): Split out worker to ...
941 (phi_translate_1): ... this.
942 (phi_translate): Move all caching here. Cache all NARY
943 and REFERENCE translations.
945 2010-03-19 David S. Miller <davem@davemloft.net>
947 With help from Eric Botcazou.
948 * config/sparc/sparc.c: Include dwarf2out.h.
949 (emit_pic_helper): Delete.
950 (pic_helper_symbol_name): Delete.
951 (pic_helper_emitted_p): Delete.
952 (pic_helper_needed): New.
953 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
954 (get_pc_thunk_name): New.
955 (load_pic_register): Remove 'delay_pic_helper' arg. Use
956 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
957 Set pic_helper_needed to true. Don't call emit_pic_helper.
958 (sparc_expand_prologue): Update load_pic_register call.
959 (sparc_output_mi_thunk): Likewise.
960 (sparc_file_end): Emit a hidden comdat symbol for the PIC
961 thunk if possible. Output CFI information as needed.
963 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
964 Jack Howarth <howarth@bromo.med.uc.edu>
967 * config/i386/i386.h: Fix ABI on darwin x86-32.
969 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
971 * tree.h: Declare make_decl_rtl_for_debug.
972 * varasm.c (make_decl_rtl_for_debug): New.
973 * dwarf2out.c (rtl_for_decl_location): Call it.
974 * cfgexpand.c (expand_debug_expr): Call it.
976 2010-03-18 Jakub Jelinek <jakub@redhat.com>
979 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
983 * var-tracking.c (vt_init_cfa_base): Do nothing if
984 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
986 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
989 * var-tracking.c (canonicalize_vars_star): New.
990 (dataflow_post_merge_adjust): Use it.
992 2010-03-18 Jakub Jelinek <jakub@redhat.com>
995 * var-tracking.c (non_suitable_const): New function.
996 (add_uses): For DEBUG_INSNs with constants, don't record any
997 value, instead just the constant value itself.
998 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
999 is not VAR_LOC_UNKNOWN_P, set var to the constant.
1000 (emit_notes_in_bb): Likewise.
1001 (emit_note_insn_var_location): For onepart variables if
1002 cur_loc is a VOIDmode constant, use DECL_MODE.
1004 2010-03-18 Martin Jambor <mjambor@suse.cz>
1007 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
1008 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
1009 all non-clones. Moved call redirection...
1010 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
1011 (cgraph_materialize_all_clones): Dispose of all
1012 combined_args_to_skip bitmaps.
1013 (verify_cgraph_node): Do not check for edges pointing to wrong
1014 nodes in inline clones.
1015 * tree-inline.c (copy_bb): Call
1016 cgraph_redirect_edge_call_stmt_to_callee.
1017 * ipa.c (cgraph_remove_unreachable_nodes): Call
1018 cgraph_node_remove_callees even when there are used clones.
1020 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
1022 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
1024 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
1027 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
1030 2010-03-18 Michael Matz <matz@suse.de>
1033 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
1034 into sqrt(x) if we need to preserve signed zeros.
1036 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
1037 Eric Botcazou <ebotcazou@adacore.com>
1039 PR rtl-optimization/43360
1040 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
1041 note if we don't know its invariant status.
1043 2010-03-18 Michael Matz <matz@suse.de>
1045 PR tree-optimization/43402
1046 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
1047 PHI chains of ssa names registered for update.
1049 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
1052 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
1053 non-offsettable and pre_modify update addressing.
1054 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
1055 and "2" alternatives "#".
1056 (*movdd_softfloat32): Make all alternatives "#";
1057 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
1058 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
1059 (*movdf_softfloat32): Make all alternatives "#";
1060 (movdi): Use the new DIFD mode iterator to create a common splitter
1061 for movdi, movdf and movdd patterns.
1063 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
1065 * common.opt (dumpdir): Remove redundant tab.
1067 2010-03-17 Martin Jambor <mjambor@suse.cz>
1069 PR tree-optimization/43347
1070 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
1071 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
1073 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
1075 PR rtl-optimization/42216
1076 * regrename.c (create_new_chain): New function, broken out from...
1077 (scan_rtx_reg): ... here. Call it. Handle the case where we are
1078 appending a use to an empty chain.
1079 (build_def_use): Remove previous changes that convert OP_INOUT to
1080 OP_OUT operands; instead detect the case where an OP_INOUT operand
1081 uses a previously untracked register and create an empty chain for it.
1083 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1085 * doc/extend.texi (Function Attributes): Rewrite unfinished
1086 sentence in ms_abi documentation.
1088 2010-03-17 Alan Modra <amodra@gmail.com>
1090 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
1091 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
1092 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
1093 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
1095 2010-03-16 Richard Henderson <rth@redhat.com>
1098 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
1099 (lower_try_finally): Save and restore eh_seq around the expansion
1102 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
1104 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
1105 statements before splitting block.
1107 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1109 * doc/sourcebuild.texi (Testsuites): Fix markup.
1110 Use pathnames relative to gcc/testsuite.
1111 (Test Directives): Move description of how timeout is determined.
1112 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
1113 (C Tests): Correct gcc.misc-tests directory.
1114 Framework tests now live in gcc.test-framework.
1116 2010-03-16 Richard Guenther <rguenther@suse.de>
1119 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
1120 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
1122 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
1123 Alexandre Oliva <aoliva@redhat.com>
1125 PR tree-optimization/42917
1126 * lambda-code.c (remove_iv): Skip debug statements.
1127 (lambda_loopnest_to_gcc_loopnest): Likewise.
1128 (not_interesting_stmt): Debug statements are not interesting.
1130 2010-03-16 Jakub Jelinek <jakub@redhat.com>
1134 * cselib.c (cselib_preserve_constants,
1135 cfa_base_preserved_val): New static variables.
1136 (preserve_only_constants): New function.
1137 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
1138 clear its REG_VALUES. If cselib_preserve_constants, don't
1139 empty the whole hash table, but preserve there VALUEs with constants,
1140 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
1141 (cselib_preserve_cfa_base_value): New function.
1142 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
1143 (cselib_init): Change argument to int bitfield. Set
1144 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
1146 (cselib_finish): Clear cselib_preserve_constants and
1147 cfa_base_preserved_val.
1148 * cselib.h (enum cselib_record_what): New enum.
1149 (cselib_init): Change argument to int.
1150 (cselib_preserve_cfa_base_value): New prototype.
1151 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
1152 * dse.c (dse_step1): Likewise.
1153 * cfgcleanup.c (thread_jump): Likewise.
1154 * sched-deps.c (sched_analyze): Likewise.
1155 * gcse.c (local_cprop_pass): Likewise.
1156 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
1157 If FN is non-NULL, call the callback always and whenever it returns
1158 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
1159 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
1160 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
1161 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
1162 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
1163 * var-tracking.c: Include recog.h.
1164 (bb_stack_adjust_offset): Remove.
1165 (vt_stack_adjustments): Don't call it, instead just gather the
1166 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
1167 (adjust_stack_reference): Remove.
1168 (compute_cfa_pointer): New function.
1169 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
1170 (struct adjust_mem_data): New type.
1171 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
1173 (get_address_mode): New function.
1174 (replace_expr_with_values): Use it.
1175 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
1176 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
1177 (adjust_sets): Remove.
1178 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
1179 Use get_address_mode.
1180 (get_adjusted_src): Remove.
1181 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
1182 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
1183 (add_with_sets): Don't call adjust_sets.
1184 (fp_setter, vt_init_cfa_base): New functions.
1185 (vt_initialize): Change return type to bool. Move most of pool etc.
1186 initialization to the beginning of the function from end. Pass
1187 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
1188 If !frame_pointer_needed, call vt_stack_adjustment before mos
1189 vector is filled, call vt_init_cfa_base if argp/framep has been
1190 eliminated to sp. If frame_pointer_needed and argp/framep has
1191 been eliminated to hard frame pointer, set
1192 hard_frame_pointer_adjustment and call vt_init_cfa_base after
1193 encountering fp setter in the prologue. For MO_ADJUST, call
1194 log_op_type before pusing the op into mos vector, not afterwards.
1195 Call adjust_insn before cselib_process_insn/add_with_sets,
1196 call cancel_changes (0) afterwards.
1197 (variable_tracking_main_1): Adjust for vt_initialize calling
1198 vt_stack_adjustments and returning whether it succeeded or not.
1200 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
1202 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
1205 2010-03-15 Jakub Jelinek <jakub@redhat.com>
1207 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
1209 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
1210 drap_reg has not been set.
1212 2010-03-15 Michael Matz <matz@suse.de>
1215 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
1216 use it to expand block copies.
1217 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
1218 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
1219 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
1221 2010-03-15 Richard Guenther <rguenther@suse.de>
1223 PR tree-optimization/43367
1224 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
1227 2010-03-15 Richard Guenther <rguenther@suse.de>
1229 PR tree-optimization/43317
1230 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
1232 2010-03-15 Martin Jambor <mjambor@suse.cz>
1234 PR tree-optimization/43141
1235 * tree-sra.c (create_abstract_origin): New function.
1236 (modify_function): Call create_abstract_origin.
1238 2010-03-15 Chris Demetriou <cgd@google.com>
1240 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
1243 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1246 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
1247 call insert_out_of_ssa_copy for default definitions.
1249 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1251 * graphite-clast-to-gimple.c (my_long_long): Defined.
1252 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
1253 * graphite-sese-to-poly.c (my_long_long): Defined.
1254 (scop_ivs_can_be_represented): Use it.
1256 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1258 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
1259 graphite-max-bbs-per-function, and loop-block-tile-size.
1260 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
1262 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
1264 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1266 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
1267 forward declaration.
1268 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
1269 (add_upper_bounds_from_estimated_nit): New.
1270 (build_loop_iteration_domains): Use it.
1272 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1274 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
1276 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1279 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
1280 should be an INTEGER_CST. Also handle CASE_CONVERT.
1282 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1284 * graphite.c (graphite_initialize): To bound the number of bbs per
1285 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
1286 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
1287 * doc/invoke.texi: Document it.
1289 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1291 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
1292 * graphite-sese-to-poly.h (build_poly_scop): Same.
1294 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1296 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
1297 the number of parameters in the scop. Use as an upper bound
1298 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
1299 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
1300 * doc/invoke.texi: Document it.
1302 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
1304 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
1305 * doc/c-tree.texi: Remove.
1306 * doc/generic.texi: Merge c-tree.texi here.
1307 * doc/gccint.texi (Trees): Remove menu entry.
1308 (c-tree.texi): Remove @include.
1309 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
1310 * doc/languages.texi (Reading RTL): Ditto.
1312 2010-03-12 Steve Ellcey <sje@cup.hp.com>
1315 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
1317 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
1320 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
1321 code added to work around reload clobbering CONST insns.
1323 2010-03-12 Jakub Jelinek <jakub@redhat.com>
1325 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
1326 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
1327 (cselib_preserve_only_values): Remove retain argument, don't
1328 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
1329 * cselib.h (cselib_preserve_only_values): Remove retain argument.
1330 * var-tracking.c (micro_operation): Move insn field before union.
1331 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
1332 (struct variable_tracking_info_def): Remove n_mos field, change
1333 mos into a vector of micro_operations.
1334 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
1335 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
1336 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
1337 changing into a vector.
1338 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
1339 come before all other uops generated by add_stores.
1340 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
1342 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
1343 a vector. Run just one pass over the bbs instead of separate counting
1344 and computation phase.
1345 (vt_finalize): Free VTI (bb)->mos vector instead of array.
1348 * tree-inline.c (remap_decls): Put old_var rather than origin_var
1349 into *nonlocalized_list vector.
1350 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
1351 even if origin is non-NULL.
1352 (gen_variable_die): Likewise.
1353 (process_scope_var): Don't change origin.
1354 (gen_decl_die): Likewise.
1355 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
1356 before adding new edges instead of after it, fix moving over
1359 2010-03-11 David S. Miller <davem@davemloft.net>
1361 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
1363 * configure: Rebuild.
1365 2010-03-11 Martin Jambor <mjambor@suse.cz>
1367 PR tree-optimization/43257
1368 * tree.c (assign_assembler_name_if_neeeded): New function.
1369 (free_lang_data_in_cgraph): Assembler name assignment moved to the
1371 * tree.h (assign_assembler_name_if_neeeded): Declare.
1372 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
1373 the function if needed.
1375 2010-03-11 Chris Demetriou <cgd@google.com>
1377 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
1378 include/stdint-gcc.h, and include/stdint.h world-readable.
1380 2010-03-11 Richard Guenther <rguenther@suse.de>
1382 PR tree-optimization/43255
1383 * tree-vrp.c (process_assert_insertions_for): Do not insert
1384 asserts for trivial conditions.
1386 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1388 PR tree-optimization/43280
1389 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
1390 generation. Move calculation of size out of the if branch.
1391 (find_bswap): Modify compare number generation.
1393 2010-03-11 Richard Guenther <rguenther@suse.de>
1396 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
1397 (input_gimple_stmt): Fixup handled component types during
1398 operand read. Also fix up decls in ADDR_EXPRs.
1400 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
1402 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
1403 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
1405 2010-03-10 Jan Hubicka <jh@suse.cz>
1408 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
1409 * varasm.c (get_variable_section): Don't do that here...
1410 (make_decl_rtl): ... and here.
1411 (do_assemble_alias): Produce decl RTL.
1412 (assemble_alias): Likewise.
1414 2010-03-10 Jakub Jelinek <jakub@redhat.com>
1417 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
1418 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
1420 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
1421 (based_loc_descr): Only express drap or vdrap regno based expressions
1422 using DW_OP_fbreg when not optimizing.
1423 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
1424 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
1425 REG_CFA_SET_VDRAP note.
1427 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
1429 PR tree-optimization/43236
1430 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
1431 error in calculation of base address in reverse iteration case.
1432 (generate_builtin): Take number of latch executions if the statement
1435 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
1438 * tree-eh.c: Include pointer-set.h.
1439 (lower_eh_dispatch): Filter out duplicate case labels and
1440 remove the unneeded edge when the label is unused. Return
1441 true when some edges are removed.
1442 (execute_lower_eh_dispatch): When any lowering resulted in
1443 removing an edge, also delete unreachable blocks.
1445 2010-03-10 Jakub Jelinek <jakub@redhat.com>
1448 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
1449 UNSPEC_MACHOPIC_OFFSET.
1451 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
1454 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
1455 (m68k_delegitimize_address): New function.
1457 2010-03-09 Jakub Jelinek <jakub@redhat.com>
1460 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
1463 * var-tracking.c (adjust_sets): New function.
1464 (count_with_sets, add_with_sets): Use it.
1465 (get_adjusted_src): New inline function.
1466 (add_stores): Use it.
1469 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
1470 call cselib_dummy_expand_value_rtx_cb instead of
1471 cselib_expand_value_rtx_cb.
1474 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
1475 * config/i386/i386.c: Include debug.h and dwarf2out.h.
1476 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
1477 and .cfi_endproc around the pic thunks.
1478 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
1479 all queued unwind info register saves are saved before the call.
1480 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
1481 considered as sp-=4 for unwind info and the pop as sp+=4 which
1482 also clobbers dest, but doesn't actually restore it.
1485 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
1486 RTX_FRAME_RELATED_P.
1488 2010-03-09 Jie Zhang <jie@codesourcery.com>
1490 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
1491 whitespaces in output template.
1493 2010-03-09 Jie Zhang <jie@codesourcery.com>
1495 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
1498 2010-03-08 Jakub Jelinek <jakub@redhat.com>
1500 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
1501 builtins.exp in a separate job.
1503 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
1505 * graphite-sese-to-poly.c (add_param_constraints): Use
1506 lower_bound_in_type and upper_bound_in_type.
1508 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
1510 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
1511 instead of unsigned_type_node.
1513 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
1514 Reza Yazdani <reza.yazdani@amd.com>
1517 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
1518 on pointer type parameters.
1520 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
1524 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
1525 handle conversions from pointer to integers.
1526 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
1527 induction variable, to be able to work with code generated by CLooG.
1528 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
1529 (build_poly_scop): Bail out if we cannot codegen a loop.
1531 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
1533 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
1534 code generation with gloog_error.
1536 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
1538 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
1539 Call fold_convert on all the returned values.
1540 (expand_scalar_variables_expr): Pass to
1541 expand_scalar_variables_ssa_name the type of the resulting expression.
1543 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
1545 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
1546 ppl_min_for_le_pointset.
1547 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
1548 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
1550 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
1552 * graphite-dependences.c (map_into_dep_poly): Removed.
1553 (dependence_polyhedron_1): Use combine_context_id_scat.
1555 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
1557 * graphite-poly.h (struct poly_scattering): Add layout documentation.
1558 (struct poly_bb): Same.
1559 (combine_context_id_scat): New.
1561 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
1564 * sese.c (name_defined_in_loop_p): Return false for default
1567 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
1569 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
1570 and clean up the logic.
1572 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
1574 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
1577 2010-03-08 Jakub Jelinek <jakub@redhat.com>
1579 * var-tracking.c (remove_cselib_value_chains): Define only for
1581 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
1582 delete_slot_part, emit_notes_for_differences_1): Don't call
1583 remove_cselib_value_chains here.
1584 (set_slot_part, emit_notes_for_differences_2): Don't call
1585 add_cselib_value_chains here.
1586 (preserved_values): New vector.
1587 (preserve_value): New function.
1588 (add_uses, add_stores, vt_add_function_parameters): Use it
1589 instead of cselib_preserve_value.
1590 (changed_values_stack): New vector.
1591 (check_changed_vars_0): New function.
1592 (check_changed_vars_1, check_changed_vars_2): Use it.
1593 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
1594 changed_values_stack VALUEs.
1595 (vt_emit_notes): For all preserved_values call
1596 add_cselib_value_chains. If ENABLE_CHECKING call
1597 remove_cselib_value_chains before verifying value_chains is empty.
1598 Initialize and free changed_values_stack.
1599 (vt_initialize): Initialize preserved_values.
1600 (vt_finalize): Free preserved_values.
1602 2010-03-08 Richard Guenther <rguenther@suse.de>
1604 PR tree-optimization/43269
1605 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
1608 2010-03-08 Martin Jambor <mjambor@suse.cz>
1610 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
1611 (ipa_is_param_called): Removed.
1612 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
1613 (ipa_print_node_params): Do not print the called flag.
1614 (ipa_write_node_info): Do not stream the called flag.
1615 (ipa_read_node_info): Likewise.
1617 2010-03-07 Jakub Jelinek <jakub@redhat.com>
1620 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
1621 * cselib.c (struct expand_value_data): Add dummy field.
1622 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
1624 (cselib_dummy_expand_value_rtx_cb): New function.
1625 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
1627 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
1628 * var-tracking.c: Include pointer-set.h.
1629 (variable): Change n_var_parts to char from int. Add
1630 cur_loc_changed and in_changed_variables fields.
1631 (variable_canonicalize): Remove.
1632 (shared_var_p): New inline function.
1633 (unshare_variable): Maintain cur_loc_changed and
1634 in_changed_variables fields. If var was in changed_variables,
1635 replace it there with new_var. Just copy cur_loc instead of
1636 resetting it to something else.
1637 (variable_union): Don't recompute cur_loc. Use shared_var_p.
1638 (dataflow_set_union): Don't call variable_canonicalize.
1639 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
1640 of their DEBUG_EXPR_TREE_DECLs.
1641 (canonicalize_loc_order_check): Verify that cur_loc is NULL
1642 and in_changed_variables and cur_loc_changed is false.
1643 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
1644 and cur_loc_changed. Don't update cur_loc here.
1645 (variable_merge_over_src): Don't call variable_canonicalize.
1646 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
1647 removing loc that is equal to cur_loc, clear cur_loc,
1648 set cur_loc_changed and ensure variable_was_changed is called.
1649 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
1650 compare pointers in cur_loc check, if it is equal to loc,
1651 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
1652 (variable_different_p): Remove compare_current_location argument,
1653 don't compare cur_loc.
1654 (dataflow_set_different_1): Adjust variable_different_p caller.
1655 (variable_was_changed): If dv had some var in changed_variables
1656 already, reset in_changed_variables flag for it and propagate
1657 cur_loc_changed over to the new variable. On empty var
1658 always set cur_loc_changed. Set in_changed_variables on whatever
1659 var is added to changed_variables.
1660 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
1661 Use shared_var_p. When removing loc that is equal to cur_loc,
1662 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
1663 end, don't set it to something else, just call variable_was_changed.
1664 (delete_slot_part): Use shared_var_p. When cur_loc equals to
1665 loc being removed, clear cur_loc and set cur_loc_changed.
1666 Set cur_loc_changed if all locations have been removed.
1667 (struct expand_loc_callback_data): New type.
1668 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
1669 allocated. Always create SUBREGs if simplify_subreg failed.
1670 Prefer to use cur_loc, when that fails and still in
1671 changed_variables (and seen first time) recompute it. Set
1672 cur_loc_changed of variables which had to change cur_loc and
1673 compute elcd->cur_loc_changed if any of the subexpressions used
1674 had to change cur_loc.
1675 (vt_expand_loc): Adjust to pass arguments in
1676 expand_loc_callback_data structure.
1677 (vt_expand_loc_dummy): New function.
1678 (emitted_notes): New variable.
1679 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
1680 that weren't used for any other decl in current
1681 emit_notes_for_changes call call vt_expand_loc_dummy to update
1682 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
1683 first loc_chain location if NULL before. Always use just
1684 cur_loc instead of first loc_chain location. When cur_loc_changed
1685 is false, when not --enable-checking=rtl just don't emit any note.
1686 When rtl checking, compute the note and assert it is the same
1687 as previous note. Clear cur_loc_changed and in_changed_variables
1688 at the end before removing from changed_variables.
1689 (check_changed_vars_3): New function.
1690 (emit_notes_for_changes): Traverse changed_vars to call
1691 check_changed_vars_3 on each changed var.
1692 (emit_notes_for_differences_1): Clear cur_loc_changed and
1693 in_changed_variables. Recompute cur_loc of new_var.
1694 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
1695 (vt_emit_notes): Initialize and destroy emitted_notes.
1697 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
1699 PR rtl-optimization/42220
1700 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
1701 Use verify_reg_tracked to determine if we should use OP_OUT rather
1703 (build_def_use): If we see an in-out operand for a register that we
1704 know nothing about, treat is an output if possible, fail the block if
1707 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
1710 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
1713 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
1716 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
1717 uses of relevant DEFs that are dead outside the loop too.
1719 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
1721 * var-tracking.c (dataflow_set_merge): Swap src and src2.
1723 2010-01-13 Jakub Jelinek <jakub@redhat.com>
1725 * var-tracking.c (values_to_unmark): New variable.
1726 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
1727 values_to_unmark vector. Moved body to...
1728 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
1729 instead queue it into values_to_unmark vector.
1730 (vt_find_locations): Free values_to_unmark vector.
1732 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
1734 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
1735 (site.exp): Export them when plugins are enabled.
1737 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
1740 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
1742 (chrec_fold_multiply): Same.
1744 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
1747 * c-decl.c (build_compound_literal): Return early if init is
1750 2010-03-04 Martin Jambor <mjambor@suse.cz>
1752 PR tree-optimization/43164
1753 PR tree-optimization/43191
1754 * tree-sra.c (type_consists_of_records_p): Reject records with
1755 zero-size bit-fields at the end.
1757 2010-03-04 Mike Stump <mikestump@comcast.net>
1759 * Makefile.in (TAGS): Remove *.y.
1761 2010-03-04 Richard Guenther <rguenther@suse.de>
1763 PR tree-optimization/40761
1764 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
1766 (my_rev_post_order_compute): New function.
1767 (init_pre): Call it.
1769 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
1772 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
1773 decrease the cost of an IV candidate when the cost is infinite.
1775 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1777 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
1778 Use '3DNow!' for the extension of that name, ensure normal space
1780 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
1782 2010-03-03 Jeff Law <law@redhat.com>
1784 * PR middle-end/32693
1785 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
1786 than gen_rtx_SUBREG.
1787 (extract_bit_field_1): Likewise.
1789 2010-03-03 Janis Johnson <janis187@us.ibm.com>
1791 * doc/sourcebuild.texi (Test directives): Document that arguments
1792 include-opts and exclude-opts are now optional for dg-skip-if,
1793 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
1795 2010-03-03 Jason Merrill <jason@redhat.com>
1798 * cgraph.h (varpool_node): Add extra_name field.
1799 * varpool.c (varpool_extra_name_alias): New.
1800 (varpool_assemble_decl): Emit extra name aliases.
1801 (varpool_mark_needed_node): Look past an extra name alias.
1802 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
1803 * lto-streamer-in.c (lto_input_tree): Read it.
1804 * lto-streamer-out.c (output_unreferenced_globals): Write it.
1806 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
1808 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
1809 (sparc*-*-solaris2*): ...this.
1811 2010-03-03 Jakub Jelinek <jakub@redhat.com>
1814 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
1815 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
1816 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
1817 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
1820 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
1821 fallthrough to default handling, just with want_address 0 instead of 2.
1822 For single element lists, add_AT_loc directly, otherwise create an
1823 artificial variable DIE and stick location list to it.
1826 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
1827 (VAL_EXPR_HAS_REVERSE): Define.
1828 (reverse_op): New function.
1829 (add_stores): For reversible operations add an extra MO_VAL_USE.
1831 2010-03-02 Jason Merrill <jason@redhat.com>
1833 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
1835 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
1837 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
1838 (sparc64-*-linux*): Likewise.
1839 (sparc64-*-solaris2*): Include assembler files before linker ones.
1840 (sparc-*-solaris2*): Simplify and reorder to match previous case.
1841 * config/sparc/gas.h: Delete.
1842 * config/sparc/sol2-64.h: Add copyright notice.
1843 * config/sparc/sol2-gas-bi.h: Likewise.
1844 * config/sparc/sol2-gld.h: Likewise.
1845 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
1846 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
1847 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
1848 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
1849 (sparc_elf_asm_named_section): Rename into...
1850 (sparc_solaris_elf_asm_named_section): ...this. Always define.
1852 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
1854 * config/alpha/alpha.c (override_options): Fix -mtune error message.
1856 2010-03-02 Jeff Law <law@redhat.com>
1859 * reload1.c (rtx_p, substitute_stack): Declare.
1860 (substitute): Record addresses of changed rtxs.
1861 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
1862 Restore the original rtx when complete.
1863 (reload): Free subsitute_stack when complete.
1865 2010-03-02 Janis Johnson <janis187@us.ibm.com>
1867 * doc/gccint.texi (menu): Add Testsuites as a chapter.
1868 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
1870 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
1871 LTO Testing, gcov Testing, profopt Testing, compat Testing,
1872 Torture Tests): Change from subsection to section.
1874 2010-03-02 Jakub Jelinek <jakub@redhat.com>
1875 Steven Bosscher <steven@gcc.gnu.org>
1877 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
1880 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
1883 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
1884 the assignment from the new induction variable to the assignment
1885 of the value from the original loop PHI function.
1887 2010-03-01 Janis Johnson <janis187@us.ibm.com>
1888 Daniel Jacobowitz <dan@codesourcery.com>
1890 * doc/sourcebuild.texi (Test directives): Clarify options to
1893 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1895 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
1896 Disable cfi directives unless GCC and gas agree on using read-only
1897 .eh_frame sections for 64-bit.
1898 * configure: Regenerate.
1900 2010-03-01 Richard Guenther <rguenther@suse.de>
1902 PR tree-optimization/43220
1903 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
1904 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
1906 2010-03-01 Richard Guenther <rguenther@suse.de>
1907 Martin Jambor <mjambor@suse.cz>
1910 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
1911 gimplified parameters.
1913 2010-03-01 Christian Bruel <christian.bruel@st.com>
1915 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
1917 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
1919 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
1921 2010-03-01 Richard Guenther <rguenther@suse.de>
1924 * expr.c (expand_assignment): Use the alias-oracle to tell
1925 if the rhs aliases the result decl.
1927 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1930 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
1931 to sol_gt_pch_get_address.
1932 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
1933 64-bit, SPARC and x86.
1934 (sol_gt_pch_get_address): New function.
1936 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
1938 * toplev.h (inform_n, error_n): Declare.
1939 * diagnostic.c (inform_n, error_n): New function.
1941 2010-03-01 Jakub Jelinek <jakub@redhat.com>
1943 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
1944 has no rtl yet when processing local_decls, queue it and recheck
1945 if deferred stack allocation hasn't assigned it rtl.
1947 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
1949 * config/sh/sh.c (unspec_bbr_uid): New.
1950 (gen_block_redirect): Use it instead of INSN_UID.
1951 (gen_far_branch): Likewise.
1953 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
1955 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
1956 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
1958 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1960 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
1961 (Warning Options): -Wno-conversion-null is valid for
1962 Objective-C++ as well.
1963 * doc/tm.texi (Named Address Spaces): Likewise.
1964 * doc/plugins.texi (Plugins): Replace TABs with spaces.
1965 * doc/tree-ssa.texi (Tree SSA): Likewise.
1967 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
1970 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
1971 by default. Don't set the default arch for
1972 i[34567]86-*-darwin*|x86_64-*-darwin*.
1974 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
1977 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
1978 default. Set the default 32bit/64bit archs with $with_arch
1979 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
1981 2010-02-27 Richard Guenther <rguenther@suse.de>
1983 PR tree-optimization/43186
1984 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
1985 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
1986 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
1987 unroller iterations.
1989 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
1991 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
1992 required and i[34567]86-*-* targets don't support 64bit ISA.
1994 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
1997 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
2000 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
2002 * config.gcc: Set the default arch at least to Prescott for
2003 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
2004 if SSE math is enabled.
2006 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
2008 * diagnostic.c (diagnostic_initialize): Update.
2009 (diagnostic_report_diagnostic): Test inhibit_notes_p for
2011 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
2012 (diagnostic_inhibit_notes): New.
2013 * toplev.c (process_options): inhibit notes with -fcompare-debug.
2015 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
2018 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
2019 * doc/standards.texi: Likewise.
2020 * doc/extend.texi: Likewise.
2021 * doc/trouble.texi: Likewise.
2022 * doc/cppopts.texi: Likewise.
2023 * doc/install.texi: Likewise.
2024 * c.opt (std=c90,std=gnu90): New options.
2025 * c-opts.c (c_common_handle_option): Handle them.
2027 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
2030 * c-decl.c (undeclared_variable): Use an informative note.
2032 2010-02-26 Richard Guenther <rguenther@suse.de>
2034 PR tree-optimization/43186
2035 * gimple.h (gimple_fold): Remove.
2036 * gimple.c (gimple_fold): Remove. Inline into single user ...
2037 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
2038 Try harder for conditions.
2040 2010-02-26 Jakub Jelinek <jakub@redhat.com>
2043 * function.c (used_types_insert): Don't skip through named pointer
2044 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
2045 and it is different from the main variant's type.
2047 2010-02-26 Nick Clifton <nickc@redhat.com>
2049 * config/rx/rx.md (sminsi3): Remove bogus alternative.
2051 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
2053 * config.gcc: Support --with-fpmath=sse for x86.
2055 * config/i386/ssemath.h: New.
2057 * doc/install.texi (--with-fpmath=sse): Documented.
2059 2010-02-26 Richard Guenther <rguenther@suse.de>
2061 PR tree-optimization/43188
2062 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
2063 vector types of over-aligned element type.
2065 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
2068 * config/i386/i386.c (expand_vec_perm_blend): Use correct
2069 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
2071 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
2073 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
2075 2010-02-26 Jakub Jelinek <jakub@redhat.com>
2077 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
2078 * var-tracking.c: Include diagnostic.h.
2079 (debug_dv): New function.
2080 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
2083 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
2084 (add_value_chain, add_value_chains, remove_value_chain,
2085 remove_value_chains): Handle DEBUG_EXPRs.
2086 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
2089 * regcprop.c (struct queued_debug_insn_change): New type.
2090 (struct value_data_entry): Add debug_insn_changes field.
2091 (struct value_data): Add n_debug_insn_changes field.
2092 (debug_insn_changes_pool): New variable.
2093 (free_debug_insn_changes, apply_debug_insn_changes,
2094 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
2095 (kill_value_one_regno): Call free_debug_insn_changes if needed.
2096 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
2098 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
2100 (copyprop_hardreg_forward_1): Don't call apply_change_group for
2101 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
2102 changes, call cprop_find_used_regs via note_stores.
2103 (copyprop_hardreg_forward): When copying vd from predecessor
2104 which has any queued DEBUG_INSN changes, make sure the pointers are
2105 cleared. At the end call df_analyze and then if there are any
2106 DEBUG_INSN changes queued at the end of some basic block for still
2107 live registers, apply them.
2108 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
2110 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
2112 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
2115 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
2117 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
2118 targets. Set the default with_cpu/with_arch from arch/cpu.
2119 Allow x86-64 and native for with_cpu/with_arch.
2121 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
2123 * ebitmap.c: Change calls to verify_popcount with calls to
2124 sbitmap_verify_popcount.
2125 (ebitmap_clear_bit): Fixed map->cacheindex test and
2126 map>cache update when bit clearing results in an empty
2129 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
2132 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
2133 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
2134 and support both V2DF and V2DI modes.
2135 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
2136 support both V2DF and V2DI modes.
2137 (general): Delete trailing whitespace from a few patterns.
2139 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
2140 V2DF/V2DI interleave high/low builtins.
2142 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
2145 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
2146 interleave high/low functions.
2148 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
2150 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
2151 #pragma extern_prefix.
2153 2010-02-25 Jakub Jelinek <jakub@redhat.com>
2156 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
2157 BLKmode, assert op0 is a MEM and just adjust its mode.
2160 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
2161 if bitpos isn't multiple of mode's bitsize.
2163 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
2165 * c.opt (-ftemplate-depth=): New.
2166 (-ftemplate-depth-): Deprecate.
2167 * optc-gen.awk: Handle -ftemplate-depth=.
2168 * opth-gen.awk: Likewise.
2169 * c-opts.c (c_common_handle_option): Likewise.
2170 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
2172 2010-02-24 Jason Merrill <jason@redhat.com>
2174 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
2176 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2178 * cfg.c (alloc_aux_for_block): Remove inline.
2179 (alloc_aux_for_edge): Likewise.
2181 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2183 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
2185 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2187 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
2188 * config/i386/sol2-gas.h: New file.
2189 * config.gcc (i[34567]86-*-solaris2*): Use it.
2191 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
2194 * c-typeck.c (ep_convert_and_check): New.
2195 (build_conditional_expr): Use it.
2196 (build_binary_op): Likewise.
2198 2010-02-24 Jakub Jelinek <jakub@redhat.com>
2200 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
2203 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
2204 bounds even for -O+.
2205 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
2206 expr needs to have DECL_NAME set.
2208 2010-02-24 Nick Clifton <nickc@redhat.com>
2210 * config/mep/mep.c: Include gimple.h.
2211 (mep_function_uses_sp): Delete unused function.
2212 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
2213 parameters. Use unsigned integers to count args. Return a
2214 NULL_RTX instead of an error_mark_node. Toidy up formatting.
2216 2010-02-23 Jakub Jelinek <jakub@redhat.com>
2219 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
2220 greater or equal to nelt instead of 2 * nelt.
2221 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
2224 2010-02-23 Jason Merrill <jason@redhat.com>
2227 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
2228 in cfun->local_decls even if they have register types.
2231 * stor-layout.c (place_field): Don't warn about unnecessary
2232 DECL_PACKED if the type is packed.
2234 2010-02-23 Jakub Jelinek <jakub@redhat.com>
2237 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
2238 GOTOFF relocs, even when the base reg isn't pic pointer.
2240 2010-02-23 Michael Matz <matz@suse.de>
2243 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
2244 (expand_gimple_basic_block): Generate and use debug temps if there
2245 are debug uses left after the last real use of TERed ssa names.
2246 Unlink debug immediate uses when they are expanded.
2248 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
2251 * config/i386/i386.c (override_options): Reorganise to provide
2252 better error messages.
2254 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
2257 * graphite-scop-detection.c (create_single_exit_edge): Move
2258 the call to find_single_exit_edge to....
2259 (create_sese_edges): ...here. Don't handle multiple edges
2260 exiting the function.
2261 (build_graphite_scops): Don't handle multiple edges
2262 exiting the function.
2264 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
2267 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
2268 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
2270 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
2273 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
2275 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
2278 * c-typeck.c (convert_arguments): Print declaration location.
2279 * c-common.c (validate_nargs): Rename as
2280 builtin_function_validate_nargs.
2281 (check_builtin_function_arguments): Update.
2283 2010-02-22 Richard Guenther <rguenther@suse.de>
2286 * tree-inline.c (declare_return_variable): Use the type of
2287 the call stmt lhs if available.
2289 2010-02-22 Duncan Sands <baldrick@free.fr>
2291 * passes.c (register_pass): Always consider all pass lists when
2292 ref_pass_instance_number is zero.
2294 2010-02-22 Richard Guenther <rguenther@suse.de>
2296 PR tree-optimization/42749
2297 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
2298 parameter. Do arithmetic in the original type.
2299 (update_accumulator_with_ops): Likewise.
2300 (adjust_accumulator_values): Adjust.
2302 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2304 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
2305 (QI to BLKmode splitter): New splitter.
2307 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
2309 * config/i386/i386.c (initial_ix86_tune_features): Turn on
2310 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
2312 2010-02-22 Richard Guenther <rguenther@suse.de>
2314 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
2316 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
2318 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
2319 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
2320 ($(T)crti.o, $(T)crtn.o): Remove rules.
2322 2010-02-21 Tobias Burnus <burnus@net-b.de>
2325 * doc/invoke.texi (-fassociative-math): Document that this
2326 option is automatically enabled for Fortran.
2328 2010-02-20 David S. Miller <davem@davemloft.net>
2330 * configure.ac: Test if linker and assembler properly support
2331 GOTDATA_OP relocations.
2332 * configure: Rebuild.
2333 * config.in: Likewise.
2334 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
2335 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
2336 (movsi_high_pic): Likewise.
2337 (movdi_lo_sum_pic): Likewise.
2338 (movdi_high_pic): Likewise.
2339 (movsi_pic_gotdata_op): New pattern.
2340 (movdi_pic_gotdata_op): Likewise.
2341 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
2342 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
2344 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
2347 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
2348 attribute to ssemul.
2349 (xop_mulv2div2di3_high): Ditto.
2351 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
2354 * c.opt (Wconversion-null): New option.
2355 * doc/invoke.texi (Wconversion-null): Document.
2357 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
2359 * common.opt (Wlarger-than-): Add Undocumented.
2361 2010-02-19 Mike Stump <mikestump@comcast.net>
2363 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
2365 2010-02-19 Jason Merrill <jason@redhat.com>
2368 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
2369 * configure: Likewise.
2371 2010-02-20 Alan Modra <amodra@gmail.com>
2374 * cgraph.h (cgraph_make_decl_local): Declare.
2375 * cgraph.c (cgraph_make_decl_local): New function.
2376 (cgraph_make_node_local): Use it.
2377 * cgraphunit.c (cgraph_function_versioning): Likewise.
2378 * ipa.c (function_and_variable_visibility): Likewise.
2380 2010-02-19 Jakub Jelinek <jakub@redhat.com>
2383 * except.c (sjlj_emit_function_enter): Don't call
2384 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
2386 * rtl.h (add_reg_br_prob_note): Remove prototype.
2388 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
2391 * c-common.c (conversion_warning): Remove widening conversions
2392 before checking the conversion of integers to reals.
2394 2010-02-19 Mike Stump <mikestump@comcast.net>
2397 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
2400 * cgraphunit.c (process_function_and_variable_attributes): Check
2401 DECL_PRESERVE_P instead of looking up attribute "used".
2402 * ipa-pure-const.c (check_decl): Likewise.
2403 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
2404 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
2405 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
2406 instead of attribute "used".
2407 * config/sol2-c.c (solaris_pragma_init): Likewise.
2408 (solaris_pragma_fini): Likewise.
2410 2010-02-19 Jakub Jelinek <jakub@redhat.com>
2412 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
2413 Use XCNEW instead of xcalloc.
2414 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
2415 XNEW instead of xmalloc.
2416 (get_fields): Use XNEWVEC instead of xmalloc.
2419 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
2420 populate vars array.
2421 (create_new_general_access): For debug stmts just reset value.
2422 (get_stmt_accesses): For accesses within debug stmts just record them
2423 using add_access_to_acc_sites instead of preventing the peeling or
2424 counting them as accesses.
2427 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
2429 2010-02-19 Richard Guenther <rguenther@suse.de>
2431 PR tree-optimization/42916
2432 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
2435 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
2437 * configure.ac: Replace all uses of changequote in macro arguments
2438 with proper quoting.
2440 2010-02-19 Jakub Jelinek <jakub@redhat.com>
2443 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
2445 2010-02-19 Richard Guenther <rguenther@suse.de>
2447 PR tree-optimization/42944
2448 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
2449 test for aliasing with errno.
2451 2010-02-19 Jakub Jelinek <jakub@redhat.com>
2454 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
2455 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
2456 * dojump.c: Include output.h.
2457 (inv): New inline function.
2458 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
2459 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
2460 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
2461 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
2462 argument, pass it down to other calls.
2463 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
2464 add REG_BR_PROB note to the conditional jump.
2465 * cfgexpand.c (add_reg_br_prob_note): Removed.
2466 (expand_gimple_cond): Don't call it, add the probability
2467 as last argument to jumpif_1/jumpifnot_1.
2468 * Makefile.in (dojump.o): Depend on output.h.
2469 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
2471 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
2472 * stmt.c (do_jump_if_equal): Likewise.
2473 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
2474 * loop-unswitch.c (compare_and_jump_seq): Likewise.
2475 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
2477 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
2478 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
2479 jumpifnot_1 callers.
2480 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
2482 (store_expr): Adjust jumpifnot caller.
2483 (store_constructor): Adjust jumpif caller.
2486 * gimplify.c (gimple_boolify): For __builtin_expect call
2487 gimple_boolify also on its first argument.
2489 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
2491 * configure.ac (gnu-unique-object): Wrap regexps using [] in
2493 (__stack_chk_fail): Ditto. Remove quadrigraphs.
2494 * configure: Regenerated.
2496 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2498 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
2499 lang_hooks.types_compatible_p instead of comptypes.
2501 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
2503 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
2504 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
2505 if __prefer_thumb__ is defined.
2507 2010-02-18 Martin Jambor <mjambor@suse.cz>
2509 PR tree-optimization/43066
2510 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
2511 array with zero-sized element type.
2513 2010-02-18 Jakub Jelinek <jakub@redhat.com>
2515 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
2516 rtx, allocate struct var_loc_node here and return it to the
2517 caller, and only if it is actually needed.
2518 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
2519 move it earlier and return immediately if it returns NULL.
2521 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
2523 * config/sparc/gas.h: New file. Restore
2524 TARGET_ASM_NAMED_SECTION to its ELF default.
2525 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
2527 * config/sparc/sparc.c (sparc_elf_asm_named_section):
2528 Likewise. Add ATTRIBUTE_UNUSED to prototype.
2529 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
2530 after sparc/sysv4.h.
2532 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
2534 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
2536 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
2538 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
2539 patterns from predicated pattern.
2541 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
2544 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
2545 for insn mnemonic suffix.
2547 2010-02-17 Richard Guenther <rguenther@suse.de>
2549 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
2552 2010-02-17 Jakub Jelinek <jakub@redhat.com>
2555 * caller-save.c (save_call_clobbered_regs): If BB ends with
2556 a DEBUG_INSN, move any notes in between last real insn and the last
2557 DEBUG_INSN after the last DEBUG_INSN.
2559 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
2561 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
2562 Fix return type. Fix argument type. Explain meaning of return value.
2564 2010-02-16 Richard Guenther <rguenther@suse.de>
2566 PR tree-optimization/41043
2567 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
2568 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
2570 (vrp_visit_phi_node): ... but only for loop PHI nodes.
2572 2010-02-16 Ira Rosen <irar@il.ibm.com>
2574 PR tree-optimization/43074
2575 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
2576 * tree-vect-loop.c (vect_analyze_loop_operations): Add
2577 vectorizable cycles in hybrid SLP check.
2578 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
2580 2010-02-16 Richard Guenther <rguenther@suse.de>
2582 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
2583 (true_dependence): If memrefs_conflict_p computes must-alias
2584 trust it. Move TBAA check after offset-based disambiguation.
2585 (canon_true_dependence): Likewise.
2587 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
2589 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
2590 * doc/invoke.texi: Document it.
2591 * var-tracking.c: Include toplev.h and params.h.
2592 (vt_find_locations): Return bool indicating success. Compute
2593 hash sizes unconditionally. Check new parameter, report.
2594 (variable_tracking_main_1): Check vt_find_locations results and
2595 retry. Renamed from...
2596 (variable_tracking_main): ... this. New wrapper to preserve
2597 flag_var_tracking_assignments.
2598 * Makefile.in (var-tracking.o): Adjust dependencies.
2600 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
2601 Jakub Jelinek <jakub@redhat.com>
2604 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
2605 if weak_import attribute is present.
2606 * config/darwin.c (machopic_select_section): Likewise.
2608 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
2610 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
2611 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
2612 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
2613 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
2615 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument types.
2617 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2620 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
2621 Rewrite text to refer to the names.
2623 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
2625 * config/i386/i386-builtin-types.def
2626 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
2627 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
2628 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
2629 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
2630 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
2631 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
2632 IX86_BUILTIN_VPERMIL2PS256.
2633 (MULTI_ARG_4_DF2_DI_I): Defined.
2634 (MULTI_ARG_4_DF2_DI_I1): Defined.
2635 (MULTI_ARG_4_SF2_SI_I): Defined.
2636 (MULTI_ARG_4_SF2_SI_I1): Defined.
2637 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
2638 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
2639 __builtin_ia32_vpermil2ps256.
2640 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
2641 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
2642 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
2643 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
2644 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
2645 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
2646 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
2647 CODE_FOR_xop_vpermil2v8sf3.
2648 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
2649 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
2650 * config/i386/xopintrin.h (_mm_permute2_pd): New.
2651 (_mm256_permute2_pd): New.
2652 (_mm_permute2_ps): New.
2653 (_mm256_permute2_ps): New.
2655 2010-02-15 Nick Clifton <nickc@redhat.com>
2657 * config/h8300/h8300.c: (h8300_push_pop): Use bool type for
2658 boolean parameters. Use emit_jump_insn when emitting a pop
2659 instruction containing a return insn.
2660 (push): Use 'true' rather than '1' as second parameter to F.
2661 (h8300_expand_prologue): Likewise.
2662 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
2663 (h8300_expand_epilogue): Likewise.
2665 2010-02-15 Richard Guenther <rguenther@suse.de>
2668 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
2671 2010-02-15 Nick Clifton <nickc@redhat.com>
2673 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
2676 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
2678 * intl.c (fake_ngettext): New function.
2679 * intl.h (fake_ngettext): Declare.
2680 (ngettext): Define macro.
2681 * collect2.c (notice_translated): New function.
2682 (main): Use notice_translated and ngettext.
2683 * collect2.h (notice_translated): Declare.
2685 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
2687 * reorg.c (delete_computation): Comment fixes.
2688 * caller-save.c (setup_save_areas): Idem.
2689 * sel-sched-dump.c (dump_lv_set): Idem.
2692 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2694 * config/s390/s390.c (s390_sched_init): New function.
2695 (TARGET_SCHED_INIT): Target hook defined.
2697 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
2698 Jack Howarth <howarth@bromo.med.uc.edu>
2699 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
2702 Partial revert of unintended change in fix for PR41605.
2703 * config/darwin.h: Fix typo.
2704 * config/darwin9.h: Same.
2706 2010-02-11 Jakub Jelinek <jakub@redhat.com>
2708 * c-pch.c (pch_init): Clear v.
2710 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
2713 * graphite-scop-detection.c (graphite_can_represent_scev): Call
2714 graphite_can_represent_init for MULT_EXPR.
2716 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
2720 * graphite-sese-to-poly.c (remove_phi): New.
2721 (translate_scalar_reduction_to_array): Call remove_phi.
2723 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
2726 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
2727 * graphite-clast-to-gimple.h (gloog): Update declaration.
2728 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
2729 * graphite-poly.h (struct poly_bb): Add missing comments.
2730 (struct scop): Add poly_scop_p field.
2732 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
2733 * graphite.c (graphite_transform_loops): Build the polyhedral
2734 representation for each scop before code generation.
2735 * sese.c (rename_variables_in_operand): Removed.
2736 (rename_variables_in_expr): Return the renamed expression.
2737 (rename_sese_parameters): New.
2738 * sese.h (rename_sese_parameters): Declared.
2740 2010-02-11 Richard Guenther <rguenther@suse.de>
2742 PR tree-optimization/42998
2743 * tree-ssa-pre.c (create_expression_by_pieces): Treat
2744 POINTER_PLUS_EXPR properly.
2746 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
2747 Changpeng Fang <changpeng.fang@amd.com>
2750 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
2751 the cost of an IV candidate when the IV is used in a test against zero.
2753 * gcc.dg/tree-ssa/ivopts-3.c: New.
2755 2010-02-11 Richard Guenther <rguenther@suse.de>
2758 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
2759 pointer-vs-decl case by swapping refs. Handle some cases
2760 of pointer-vs-decl disambiguations more conservatively.
2761 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
2762 to false after expanding.
2764 2010-02-11 Richard Guenther <rguenther@suse.de>
2767 * gcc.c (process_command): Handle LTO file@offset case more
2770 2010-02-11 Jakub Jelinek <jakub@redhat.com>
2772 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
2773 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
2775 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
2777 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
2778 if MEM's mode size isn't DWARF2_ADDR_SIZE.
2779 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
2780 Optimize eq/ne comparisons when both arguments are known to be
2782 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
2783 Don't mask operands unnecessarily if they are known to be already
2786 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
2788 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
2791 2010-02-10 Richard Guenther <rguenther@suse.de>
2793 PR tree-optimization/43017
2794 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
2795 for wrapping signed arithmetic.
2797 2010-02-10 Jakub Jelinek <jakub@redhat.com>
2800 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
2801 if no debug info should be emitted for it.
2803 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
2805 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
2806 note when flag_exceptions is set.
2808 2010-02-10 Duncan Sands <baldrick@free.fr>
2810 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
2812 2010-02-10 Richard Guenther <rguenther@suse.de>
2815 * tree.c (get_unwidened): Handle constants.
2816 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
2818 2010-02-10 Martin Jambor <mjambor@suse.cz>
2821 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
2822 check for variable argument counts independently.
2824 2010-02-10 Christian Bruel <christian.bruel@st.com>
2827 * config/sh/sh.c (find_barrier): Increase length for non delayed
2828 conditional branches.
2830 2010-02-10 Christian Bruel <christian.bruel@st.com>
2832 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
2834 2010-02-10 Jakub Jelinek <jakub@redhat.com>
2836 * builtins.c (set_builtin_user_assembler_name): Also handle
2837 ffs if int is smaller than word.
2839 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
2842 * ira-conflicts.c (get_dup): Remove.
2843 (process_reg_shuffles): Add new parameter. Use it as an
2844 additional guard for copy generation.
2845 (add_insn_allocno_copies): Rewrite.
2847 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
2849 * common.opt (fsched2-use-traces): Preserved for backward
2851 * doc/invoke.texi: Remove the documentation about option
2852 -fsched2-use-traces.
2853 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
2854 flag_sched2_use_traces.
2855 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
2856 the backward compatibility flag section.
2858 2010-02-09 Richard Guenther <rguenther@suse.de>
2860 PR tree-optimization/43008
2861 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
2862 make HEAP variables initialized from global memory if they
2863 are not known builtin functions.
2864 (find_func_aliases): Adjust.
2866 2010-02-09 Richard Guenther <rguenther@suse.de>
2868 PR tree-optimization/43000
2869 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
2870 arithmetic manually.
2872 2010-02-08 Jakub Jelinek <jakub@redhat.com>
2874 PR tree-optimization/42931
2875 * tree-loop-linear.c (try_interchange_loops): Don't call
2876 double_int_mul if estimated_loop_iterations failed.
2878 2010-02-08 Martin Jambor <mjambor@suse.cz>
2881 * tree-sra.c (build_accesses_from_assign): Do not mark in
2882 should_scalarize_away_bitmap if stmt has volatile ops.
2883 (sra_modify_assign): Do not process assigns piecemeal if if stmt
2886 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
2888 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
2890 2010-02-07 Adam Nemet <adambnmet@gmail.com>
2892 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
2895 2010-02-07 Andrew Pinski <pinskia@gmail.com>
2898 * df-core.c (df_finish_pass): Change type of saved_flags to int.
2900 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
2903 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
2904 to unknown_dependence.
2905 (graphite_legal_transform_dr): Handle the unknown_dependence.
2906 (graphite_carried_dependence_level_k): Same.
2908 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
2910 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
2912 2010-02-07 Richard Guenther <rguenther@suse.de>
2915 * expr.c (get_inner_reference): Always initialize *pbitsize.
2917 2010-02-07 Richard Guenther <rguenther@suse.de>
2920 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
2921 new ARRAY_REFs on variable size element or minimal index arrays.
2923 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
2924 gimple_fold_indirect_ref.
2926 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
2929 * arm.c (arm_override_options): Just return if the user has specified
2930 an invalid fpu name.
2932 2010-02-03 Jason Merrill <jason@redhat.com>
2935 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
2936 i386_pe_maybe_record_exported_symbol.
2938 2010-02-05 Steve Ellcey <sje@cup.hp.com>
2941 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
2942 (pa_delegitimize_address): New function.
2944 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
2946 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
2947 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
2949 2010-02-05 Richard Guenther <rguenther@suse.de>
2952 * lto-streamer-in.c (get_resolution): Deal with references
2953 to undefined functions.
2955 2010-02-05 Richard Guenther <rguenther@suse.de>
2957 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
2958 (fold_const_aggregate_ref): Likewise.
2959 (ccp_fold_stmt): Substitute loads.
2960 (maybe_fold_reference): Verify types before substituting.
2962 (fold_gimple_assign): Unshare properly.
2963 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
2965 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
2967 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
2968 for rs6000_gen_cell_microcode.
2970 2010-02-04 Richard Guenther <rguenther@suse.de>
2972 PR rtl-optimization/42952
2973 * dse.c (const_or_frame_p): Remove MEM handling.
2975 2010-02-04 Nick Clifton <nickc@redhat.com>
2977 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
2978 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
2979 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
2980 (mn10300_asm_output_mi_thunk): New function.
2981 (mn10300_can_output_mu_thunk): New function.
2982 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
2983 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
2984 (FUNCTION_ARG): Delete incorrect comment.
2986 2010-02-03 Jason Merrill <jason@redhat.com>
2989 * fold-const.c (operand_equal_p): Handle erroneous types.
2991 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
2993 * config/h8300/h8300.md (can_delay): Fix attibute condition.
2995 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
2997 PR rtl-optimization/42941
2998 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
3001 2010-02-03 Jason Merrill <jason@redhat.com>
3004 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
3006 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
3009 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
3010 (cselib_reset_table): Renamed from...
3011 (cselib_reset_table_with_next_value): ... this.
3012 (cselib_get_next_uid): Renamed from...
3013 (cselib_get_next_unknown_value): ... this.
3014 * cselib.c (next_uid): Renamed from...
3015 (next_unknown_value): ... this.
3016 (cselib_clear_table): Adjust.
3017 (cselib_reset_table): Adjust. Renamed from...
3018 (cselib_reset_table_with_next_value): ... this.
3019 (cselib_get_next_uid): Adjust. Renamed from...
3020 (cselib_get_next_unknown_value): ... this.
3021 (get_value_hash): Use hash.
3022 (cselib_hash_rtx): Likewise.
3023 (new_cselib_val): Adjust. Set and dump uid.
3024 (cselib_lookup_mem): Pass next_uid as hash.
3025 (cselib_subst_to_values): Likewise.
3026 (cselib_log_lookup): Dump uid.
3027 (cselib_lookup): Pass next_uid as hash. Adjust.
3028 (cselib_process_insn): Adjust.
3029 (cselib_init): Initialize next_uid.
3030 (cselib_finish): Adjust.
3031 (dump_cselib_table): Likewise.
3032 * dse.c (canon_address): Dump value uid.
3033 * print-rtl.c (print_rtx): Print value uid.
3034 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
3036 (dv_uid): New function, sort of renamed from...
3037 (dv_htab_hash): ... this, reimplemented in terms of it and...
3038 (dv_uid2hash): ... this. New.
3039 (variable_htab_eq): Drop excess assertions.
3040 (tie_break_pointers): Removed.
3041 (canon_value_cmp): Compare uids.
3042 (variable_post_merge_New_vals): Print uids.
3043 (vt_add_function_parameters): Adjust.
3044 (vt_initialize): Reset table. Adjust.
3046 2010-02-03 Richard Guenther <rguenther@suse.de>
3048 PR tree-optimization/42944
3049 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
3050 (call_may_clobber_ref_p_1): Likewise. Properly handle
3051 malloc and calloc clobbering errno.
3053 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
3055 * doc/invoke.texi: Fix name of sched1 dump.
3057 * opts.c (decode_options): Set flag_tree_switch_conversion
3058 only conditionally on optimize >= 2.
3060 * gcse.c: Assorted comment fixes in pass description.
3062 2010-02-03 Anthony Green <green@moxielogic.com>
3064 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
3065 nop padding in order to maintain alignment of storage location of
3066 target function address.
3067 (moxie_trampoline_init): Store target function address at newly
3069 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
3071 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
3073 2010-02-03 Richard Guenther <rguenther@suse.de>
3076 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
3078 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3080 * config.gcc: Reenable check for obsolete targets.
3081 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
3082 mips-sgi-irix6.[0-4]*.
3084 2010-02-02 Nick Clifton <nickc@redhat.com>
3086 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
3087 constant size of 4 as being the same as 0.
3088 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
3089 can take values in the range 0..4.
3091 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
3094 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
3095 as _darwin10_Unwind_FindEnclosingFunction().
3096 * libgcc-libsystem.ver: New.
3098 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
3101 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
3102 implicitly set registers.
3104 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
3106 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
3107 (arm_override_options): Allow automatic selection of the thread
3108 pointer register if thumb2.
3109 (legitimize_pic_address): Improve code sequences for Thumb2.
3110 (arm_call_tls_get_addr): Likewise.
3111 (legitimize_tls_address): Likewise.
3112 * arm.md (pic_load_addr_arm): Delete. Replace with ...
3113 (pic_load_addr_32bit): ... this. New named pattern.
3114 * thumb2.md (pic_load_addr_thumb2): Delete.
3115 (pic_load_dot_plus_four): Delete.
3116 (tls_load_dot_plus_four): New named pattern.
3118 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3121 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
3122 Document fix for TLS bug.
3124 2010-01-31 Richard Guenther <rguenther@suse.de>
3126 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
3127 conservatively correct.
3129 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3133 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3135 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
3137 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3139 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
3141 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
3143 * config.gcc: Adjust order of makefile fragments for mingw targets.
3145 2010-01-31 Richard Guenther <rguenther@suse.de>
3148 * gimplify.c (gimplify_init_constructor): For volatile LHS
3149 initialize a temporary.
3151 2010-01-31 Matthias Klose <doko@ubuntu.com>
3153 * configure.ac: Fix __stack_chk_fail check for cross builds configured
3155 * configure: Regenerate.
3157 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
3159 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
3160 the same alias set and their sizes different constantness.
3161 (aliasing_component_refs_p): Revert 2009-10-24 change.
3163 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3165 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
3168 2010-01-29 Richard Guenther <rguenther@suse.de>
3170 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
3171 Assert we successfully updated the call.
3173 2010-01-29 Jakub Jelinek <jakub@redhat.com>
3175 PR rtl-optimization/42889
3176 * df.h (df_set_bb_dirty_nonlr): New prototype.
3177 * df-core.c (df_set_bb_dirty_nonlr): New function.
3178 * df-scan.c (df_insn_rescan): Call it instead of
3179 df_set_bb_dirty for DEBUG_INSNs.
3181 2010-01-29 Richard Guenther <rguenther@suse.de>
3184 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
3185 quadratic behavior in most cases.
3187 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
3190 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
3191 in the call to gen_x86_movsicc_0_m1.
3193 2010-01-28 Richard Guenther <rguenther@suse.de>
3195 PR tree-optimization/42871
3196 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
3198 2010-01-28 Richard Guenther <rguenther@suse.de>
3200 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
3201 into call arguments.
3203 2010-01-28 Richard Guenther <rguenther@suse.de>
3206 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
3207 the forwarder if the destination is an EH landing pad.
3209 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
3211 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
3212 block list passed to gimple_duplicate_sese_tail.
3213 (parallelize_loops): Avoid parallelization when the function
3215 Avoid parallelization when the preheader is IRREDUCIBLE.
3216 Try to optimize when estimated_loop_iterations_int is unresolved.
3217 Add the loop's location to the dump file.
3218 * tree-cfg.c (add_phi_args_after_redirect): Remove.
3219 (gimple_duplicate_sese_tail): Remove the check for the latch.
3220 Redirect nexits to the exit block.
3221 Remove handling of the incoming edges to the latch.
3222 Redirect the backedge from the copied latch to the exit bb.
3224 2010-01-28 Michael Matz <matz@suse.de>
3227 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
3228 Wrap force_reg into a sequence, emit it before user.
3230 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
3232 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
3234 (arm_legacy_rev): Likewise.
3235 (thumb_legacy_rev): Likewise.
3237 2010-01-27 Jakub Jelinek <jakub@redhat.com>
3239 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
3240 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
3241 on MEM's address failed, try avoid_constant_pool_reference and
3242 recurse if it returned something different.
3243 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
3244 address, try avoid_constant_pool_reference and recurse if it
3245 returned something different.
3246 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
3247 address and avoid_constant_pool_reference returned something
3248 different, don't set have_address.
3250 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
3253 * var-tracking.c (val_store): Add modified argument, obey it.
3255 (count_uses): Move down logging of main.
3256 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
3257 don't need resolution.
3258 (emit_notes_in_bb): Likewise.
3260 2010-01-27 Richard Guenther <rguenther@suse.de>
3263 * tree-inline.c (remap_decl): Delay remapping of SSA name
3264 default definitions until we need them.
3266 2010-01-27 Jakub Jelinek <jakub@redhat.com>
3268 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
3269 (rs6000_delegitimize_address): New function.
3271 * config/s390/s390.c (s390_delegitimize_address): Call
3272 delegitimize_mem_from_attrs.
3275 * tree-inline.c (cannot_copy_type_1): Removed.
3276 (copy_forbidden): Don't forbid copying of functions containing
3277 records/unions with variable length fields.
3279 2010-01-27 Christian Bruel <christian.bruel@st.com>
3283 * config/sh/sh.c (find_barrier): Increase length for non delayed
3284 conditional branches.
3286 2010-01-27 Matthias Klose <doko@ubuntu.com>
3288 * configure.ac (gnu-unique-object): Fix ldd version check.
3289 * configure: Regenerate.
3291 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3293 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
3295 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
3296 Test for HAVE_GNU_AS value.
3298 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3300 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
3301 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
3302 INT64_TYPE): Define.
3303 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
3304 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
3305 INT_LEAST64_TYPE): Define.
3306 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
3307 UINT_LEAST64_TYPE): Define.
3308 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
3309 INT_FAST64_TYPE): Define.
3310 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
3311 UINT_FAST64_TYPE): Define.
3312 (INTMAX_TYPE, UINTMAX_TYPE): Define.
3313 (INTPTR_TYPE, UINTPTR_TYPE): Define.
3314 (SIG_ATOMIC_TYPE): Define.
3316 2010-01-26 Richard Guenther <rguenther@suse.de>
3318 * df-scan.c (df_scan_set_bb_info): Remove assert.
3319 (df_insn_rescan_debug_internal): Merge asserts.
3320 (df_install_ref): Likewise.
3321 (df_mark_reg): Use bitmap_set_range.
3322 (df_hard_reg_used_p): Remove assert.
3323 (df_hard_reg_used_count): Likewise.
3325 2010-01-26 Richard Guenther <rguenther@suse.de>
3327 PR rtl-optimization/42685
3328 * web.c (web_main): Ignore DEBUG_INSNs.
3330 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
3332 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
3334 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
3335 Fix types of fndecl and arglist parameters.
3337 2010-01-26 Richard Guenther <rguenther@suse.de>
3340 * tree-eh.c (unsplit_eh): Skip debug insns.
3342 2010-01-26 Richard Guenther <rguenther@suse.de>
3344 PR tree-optimization/42250
3345 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
3347 2010-01-26 Jakub Jelinek <jakub@redhat.com>
3350 * omp-low.c (expand_omp_sections): Only use single_pred if
3351 l2_bb is single_pred_p.
3353 2010-01-25 Christian Bruel <christian.bruel@st.com>
3356 * config/sh/sh.c (find_barrier): Increase length for non delayed
3357 conditional branches.
3358 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
3360 2010-01-24 David S. Miller <davem@davemloft.net>
3362 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
3363 define if not using GAS.
3364 * config/sparc/sparc.c (sparc_elf_asm_named_section):
3365 Likewise. Delete SECTION_MERGE code, which is only applicable
3368 2010-01-24 Mark Mitchell <mark@codesourcery.com>
3371 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
3372 mangling of va_list in system headers.
3374 2010-01-23 Toon Moene <toon@moene.org>
3376 * tree-predcom.c (combine_chains): Return NULL, not false.
3378 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
3380 * tree-loop-distribution.c (distribute_loop): Fix declaration and
3381 initialization of variable res to agree with return type.
3383 2010-01-22 Steve Ellcey <sje@cup.hp.com>
3385 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
3386 * tree-sra.c: Add include of expr.h.
3388 2010-01-22 Jakub Jelinek <jakub@redhat.com>
3390 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
3391 insert the debug stmt on the single non-EH edge from the stmt.
3393 2010-01-22 Richard Henderson <rth@redhat.com>
3396 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
3397 the RHS until after generate_subtree_copies has insertted its
3398 code before the current statement.
3400 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
3402 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
3404 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
3406 2010-01-21 Martin Jambor <mjambor@suse.cz>
3408 PR tree-optimization/42585
3409 * tree-sra.c (struct access): New field grp_total_scalarization.
3410 (dump_access): Dump the new field.
3411 (should_scalarize_away_bitmap): New variable.
3412 (cannot_scalarize_away_bitmap): Likewise.
3413 (sra_initialize): Allocate new bitmaps.
3414 (sra_deinitialize): Free new bitmaps.
3415 (create_access_1): New function.
3416 (create_access): Parts moved to create_access_1.
3417 (type_consists_of_records_p): New function.
3418 (completely_scalarize_record): Likewise.
3419 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
3420 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
3421 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
3423 (analyze_all_variable_accesses): Completely scalarize small eligible
3426 2010-01-21 Martin Jambor <mjambor@suse.cz>
3428 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
3430 2010-01-21 Andrew Haley <aph@redhat.com>
3432 * gcc.c (process_command): Move lang_specific_driver before
3433 setting cc_libexec_prefix.
3435 2010-01-21 Richard Guenther <rguenther@suse.de>
3438 * fold-const.c (negate_expr_p): Pretend only negative
3439 real constants are easily negatable.
3441 2010-01-20 Janis Johnson <janis187@us.ibm.com>
3442 Jason Merrill <jason@redhat.com>
3444 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
3445 (TYPE_TRANSPARENT_AGGR): this, for union and record.
3446 * calls.c (initialize argument_information): Handle it.
3447 * c-common.c (handle_transparent_union_attribute): Use new name.
3448 * c-decl.c (finish_struct): Ditto.
3449 * c-typeck.c (type_lists_compatible_p): Ditto.
3450 (convert_for_assignment): Use new name and also handle record.
3451 * function.c (aggregate_value_p): Handle it.
3452 (pass_by_reference): Ditto.
3453 (assign_parm_data_types): Ditto.
3454 * print-tree.c (print_node): Ditto.
3455 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
3456 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
3457 * tree.c (first_field): New fn.
3459 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
3462 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
3463 even when linking statically, for now.
3465 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
3468 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
3469 without a cselib val.
3470 (count_uses): Accept MO_VAL_SET with no val on stores.
3471 (add_stores): Likewise.
3473 2010-01-20 Jakub Jelinek <jakub@redhat.com>
3475 * var-tracking.c (check_value_val): Add a compile time assertion.
3476 (dv_is_decl_p): Simplify.
3477 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
3478 gcc_assert if ENABLE_CHECKING.
3480 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
3483 * var-tracking.c: Include tree-flow.h.
3484 (mem_dies_at_call): New.
3485 (dataflow_set_preserve_mem_locs): Use it.
3486 (dataflow_set_remove_mem_locs): Likewise.
3487 (dump_var): Renamed from dump_variable. Adjust all callers.
3488 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
3489 * Makefile.in (var-tracking.o): Adjust deps.
3491 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
3493 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
3495 2010-01-20 Richard Guenther <rguenther@suse.de>
3497 PR tree-optimization/42717
3498 * tree-ssa-dce.c (get_live_post_dom): Remove.
3499 (forward_edge_to_pdom): Take an arbitrary edge to copy
3500 degenerate PHI args from.
3501 (remove_dead_stmt): Use the first post-dominator even if it
3502 does not contain live statements as redirection destination.
3504 2010-01-20 Richard Guenther <rguenther@suse.de>
3506 * tree-inline.c (estimate_num_insns): Handle EH builtins.
3508 2010-01-20 Jakub Jelinek <jakub@redhat.com>
3510 * sel-sched.c (create_speculation_check): Remove set but not used
3512 (try_transformation_cache): Remove set but not used variable ds.
3513 (calculate_privileged_insns): Remove set but not used variables
3514 cur_insn and min_spec_insn.
3515 (find_best_expr): Remove set but not used variable avail_n.
3516 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
3518 * cgraphunit.c (assemble_thunk): Remove set but not used variable
3520 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
3521 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
3524 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
3527 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
3528 cpu types. Add support for *-sse3 cpu types.
3529 (x86_64-*-*): Ditto.
3531 2010-01-20 Jakub Jelinek <jakub@redhat.com>
3534 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
3535 argument, call initializer_constant_valid_p_1 instead of
3536 initializer_constant_valid_p, pass CACHE to it, return NULL
3537 immediately if first call returns NULL.
3538 (initializer_constant_valid_p_1): New function.
3539 (initializer_constant_valid_p): Use it.
3541 2010-01-20 Thomas Quinot <quinot@adacore.com>
3543 * tree.def (PLACEHOLDER_EXPR): Fix comment.
3545 2010-01-20 Jakub Jelinek <jakub@redhat.com>
3547 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
3548 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
3549 (loc_list_from_tree): Don't handle unsigned division. Handle
3550 signed modulo using DW_OP_{over,over,div,mul,minus}.
3551 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
3552 modulo instead of signed.
3554 2010-01-20 DJ Delorie <dj@redhat.com>
3556 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
3558 (h8300_emit_stack_adjustment): Propogate it.
3560 (h8300_expand_prologue): Likewise.
3561 (h8300_expand_epilogue): Likewise.
3563 2010-01-19 Michael Matz <matz@suse.de>
3565 PR tree-optimization/41783
3566 * tree-data-ref.c (toplevel): Include flags.h.
3567 (dump_data_dependence_relation): Also dump the inputs if the
3568 result will be unknown.
3569 (split_constant_offset_1): Look through some conversions.
3570 * tree-predcom.c (determine_roots_comp): Restart a new chain if
3571 the offset from last element is too large.
3572 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
3573 (reassociate_to_the_same_stmt): Handle vector registers.
3574 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
3576 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
3577 wide_prolog_niters argument, emit widening instructions.
3578 (vect_do_peeling_for_alignment): Adjust caller, use widened
3579 variant of the iteration cound.
3580 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
3582 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3585 * config/arm/neon-testgen.m (emit_automatics): New parameter
3586 features. Adjust for Fixed_return_reg feature.
3587 (test_intrinsic): Call emit_automatics with new feature.
3588 * config/arm/neon.ml: Update copyright years.
3589 (features): New Fixed_return_reg feature.
3590 (ops): Update feature for Vget_low.
3592 2010-01-19 Jakub Jelinek <jakub@redhat.com>
3594 PR tree-optimization/42719
3595 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
3599 * fwprop.c (all_uses_available_at): Return false if def_set dest
3600 is a REG that is used in def_insn.
3602 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
3604 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
3606 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
3609 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
3611 * target.h (struct gcc_target) <secondary_reload>: Change type
3612 of last argument to secondary_reload_info *.
3614 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
3617 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
3618 memory references with unaligned offsets. Remove CQImode handling.
3619 (unaligned_memory_operand): Return 1 for memory references with
3620 unaligned offsets. Remove CQImode handling.
3622 2010-01-18 Richard Guenther <rguenther@suse.de>
3625 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
3628 2010-01-18 Richard Guenther <rguenther@suse.de>
3630 PR tree-optimization/42781
3631 * tree-ssa-structalias.c (find_what_var_points_to): Skip
3632 restrict processing only if the original variable was artificial.
3634 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
3636 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
3637 find number of popped argument bytes.
3639 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
3640 Fix the text that describes the return value for invalid insns.
3642 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
3644 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
3645 Clarify what 'cost of the -dependence' is. Fix quoting.
3647 * toplev.c (default_get_pch_validity): Rename argument to "sz".
3648 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
3650 2010-01-17 Jakub Jelinek <jakub@redhat.com>
3652 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3653 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
3655 2010-01-17 Richard Guenther <rguenther@suse.de>
3658 * function.c (split_complex_args): Take a VEC to modify.
3659 (assign_parms_augmented_arg_list): Build a VEC instead of
3660 a chain of PARM_DECLs.
3661 (assign_parms_unsplit_complex): Take a VEC of arguments.
3662 Do not fixup unmodified parms.
3663 (assign_parms): Deal with the VEC.
3664 (gimplify_parameters): Likewise.
3666 2010-01-17 Richard Guenther <rguenther@suse.de>
3668 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
3669 node existence check.
3670 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
3671 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
3672 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
3673 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
3674 (gimple_execute_on_growing_pred): Likewise.
3676 2010-01-17 Richard Guenther <rguenther@suse.de>
3678 PR tree-optimization/42773
3679 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
3680 (compute_antic_aux): Likewise.
3681 (compute_partial_antic_aux): Likewise.
3683 2010-01-17 Jie Zhang <jie.zhang@analog.com>
3686 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
3689 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
3691 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
3694 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
3695 Fix markup for strict argument.
3697 (TARGET_SCHED_REORDER2): Fix argument types.
3699 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
3700 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
3702 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
3703 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
3705 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
3708 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
3709 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
3710 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
3711 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
3712 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
3714 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
3716 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
3718 (TARGET_ASM_RELOC_RW_MASK): Add return type.
3719 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
3721 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
3723 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
3726 (TARGET_ASM_NAMED_SECTION): Fix argument list.
3728 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
3729 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
3731 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
3733 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
3735 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
3736 referring to it. Fix language.
3738 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
3740 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
3742 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
3744 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
3746 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
3747 '@var{stream}. Remove stray 'and'.
3749 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
3751 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
3753 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
3755 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
3756 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
3758 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
3759 Fix description of return value.
3760 Rename argument "sz" to "len."
3762 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
3763 Clarify meaning of 'true' return value.
3765 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
3767 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
3768 rep_mode versus mode_rep.
3770 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
3772 (TARGET_BUILTIN_DECL): Fix name.
3774 (TARGET_COMMUTATIVE_P): Fix type of first argument.
3776 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
3778 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
3780 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
3782 (TARGET_RELAXED_ORDERING): Use @deftypevr.
3784 (TARGET_GET_DRAP_RTX): Note that this is a hook.
3787 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
3788 Rename argument tm_fn to md_fn.
3790 (TARGET_OPTION_PRINT): Fix argument list.
3792 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
3795 * config/i386/i386.c (ix86_fixup_binary_operands):
3796 Revert FMA4 fixup of operands.
3798 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3801 * Makefile.in (write_entries_to_file, install-plugin):
3802 Use \012 instead of \n with tr.
3804 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
3806 * configure.ac (HAVE_AS_REF): New C macro.
3807 * configure: Regenerate.
3808 * config.in: Likewise.
3809 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
3811 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
3814 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
3816 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
3818 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
3820 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
3822 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
3824 (TARGET_IN_SMALL_DATA_P): Fix argument type.
3826 (TARGET_BINDS_LOCAL_P): Fix argument type.
3828 (TARGET_ASM_FILE_END): Use prototype.
3830 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
3832 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
3834 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
3836 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
3838 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
3839 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
3841 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
3842 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
3844 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
3845 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
3846 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
3847 (TARGET_ADDR_SPACE_CONVERT): Likewise.
3849 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
3851 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
3853 (TARGET_INIT_BUILTINS): Use prototype.
3855 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
3856 Put 'const char *' in braces. Fix parameter types.
3857 (TARGET_INVALID_CONVERSION): Fix parameter types.
3858 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
3859 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
3861 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
3864 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
3866 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
3868 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
3870 * doc/tm.texi (TARGET_HELP): Fix return type.
3872 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
3873 in braces. Fix argument types.
3875 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
3877 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
3879 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
3881 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
3882 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
3884 (TARGET_MANGLE_TYPE): Fix argument types.
3886 (TARGET_IRA_COVER_CLASSES): Use prototype.
3888 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
3890 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
3892 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
3894 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
3896 (TARGET_CALLEE_COPIES): Fix argument types.
3898 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
3900 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
3902 (TARGET_FUNCTION_VALUE): Fix argument types.
3904 (TARGET_RETURN_IN_MSB): Fix argument type.
3906 (TARGET_RETURN_IN_MEMORY): Fix argument types.
3908 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
3910 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
3912 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
3913 agree with return type.
3915 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
3917 2010-01-15 Jing Yu <jingyu@google.com>
3919 PR rtl-optimization/42691
3920 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
3921 a pseudo to a constant and are merged, and adjust comments.
3923 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
3925 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
3927 2010-01-15 Richard Guenther <rguenther@suse.de>
3930 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
3931 labels of computed or non-local gotos to the destination.
3932 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
3933 landing pad label is the first label.
3935 2010-01-15 Richard Guenther <rguenther@suse.de>
3937 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
3939 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
3942 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
3943 to allow generation of the xssqrtdp instruction on power7.
3944 (sqrtdf2_fpr): Ditto.
3946 2010-01-14 Jakub Jelinek <jakub@redhat.com>
3949 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
3950 functions with noreturn attribute.
3953 * varasm.c (declare_weak): Add weak attribute to decl if it
3954 doesn't have one already.
3955 (assemble_external): Only add decls to weak_decls if they also
3956 have weak attribute.
3958 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
3960 * var-tracking.c (var_reg_delete): Don't delete the association
3961 between REGs and values or one-part variables if the register
3964 2010-01-14 Jakub Jelinek <jakub@redhat.com>
3967 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
3968 because its first operand is a non-localized variable.
3970 2010-01-14 Martin Jambor <mjambor@suse.cz>
3972 PR tree-optimization/42706
3973 * tree-sra.c (encountered_recursive_call): New variable.
3974 (encountered_unchangable_recursive_call): Likewise.
3975 (sra_initialize): Initialize both new variables.
3976 (callsite_has_enough_arguments_p): New function.
3977 (scan_function): Call decl and flags check only for IPA-SRA, check
3978 whether there is a recursive call and whether it has enough arguments.
3979 (all_callers_have_enough_arguments_p): New function.
3980 (convert_callers): Look for recursive calls only when
3981 encountered_recursive_call is set.
3982 (ipa_early_sra): Bail out either if
3983 !all_callers_have_enough_arguments_p or
3984 encountered_unchangable_recursive_call.
3986 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3988 * sel-sched.c: Add 2010 to copyright years.
3989 * sel-sched-ir.c: Likewise.
3990 * sel-sched-ir.h: Likewise.
3992 2010-01-14 Martin Jambor <mjambor@suse.cz>
3994 PR tree-optimization/42714
3995 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
3996 constructors specially.
3998 2010-01-14 Andi Kleen <ak@linux.intel.com>
4000 * config/i386/drivers-i386.c (detect_caches_intel):
4001 Add l2sizekb parameter and fill in.
4002 (host_detect_local_cpu): Add l2sizekb, fill in.
4003 Add Atom small cache heuristic.
4005 2010-01-14 Andi Kleen <ak@linux.intel.com>
4007 * config/i386/drivers-i386.c (detect_caches_cpuid4):
4008 Add level3 parameter and fill in.
4009 (detect_caches_intel): Handle level3 cache.
4011 2010-01-14 Andi Kleen <ak@linux.intel.com>
4013 * config/i386/drivers-i386.c (host_detect_local_cpu):
4014 Fix core duo detection.
4016 2010-01-14 Andi Kleen <ak@linux.intel.com>
4018 * config/i386/drivers-i386.c (host_detect_local_cpu):
4021 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
4023 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
4024 (rs6000_variable_issue_1): this. Use...
4025 (rs6000_variable_issue): here. Reimplement. Print debug info.
4027 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
4029 * sel-sched-ir.c (sel_restore_other_notes): Rename to
4030 sel_restore_notes. Update all callers. Call reemit_notes
4033 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
4035 PR rtl-optimization/42246
4036 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
4039 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
4041 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
4042 all successors is the same as number of successors in current region.
4044 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
4046 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
4047 to rename is not separable. Otherwise check that its LHS is not NULL.
4049 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
4051 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
4053 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
4055 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
4056 available registers when failed to discover LHS register class.
4057 Fix indentation. Update comment.
4059 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
4060 Alexander Monakov <amonakov@ispras.ru>
4062 PR rtl-optimization/42389
4063 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
4065 (advance_state_on_fence): Likewise.
4066 (sel_target_adjust_priority): Print debug output only when
4067 sched_verbose >= 4, not 2.
4068 (get_expr_cost): Do not issue all unique insns on the next cycle.
4069 (fill_insns): Initialize can_issue_more from the value saved
4071 * sel-sched-ir.c (flist_add): New parameter issue_more.
4072 Init FENCE_ISSUE_MORE with it.
4073 (merge_fences): Likewise.
4074 (init_fences): Update call to flist_add.
4075 (add_to_fences, add_clean_fence_to_fences)
4076 (add_dirty_fence_to_fences): Likewise.
4077 (move_fence_to_fences): Update call to merge_fences.
4078 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
4080 * sel-sched-ir.h (struct _fence): New field issue_more.
4081 (FENCE_ISSUE_MORE): New accessor macro.
4083 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
4085 PR rtl-optimization/42388
4086 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
4087 that have no predecessors nor successors. Do not call move_bb_info
4088 for empty blocks outside of current region.
4090 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
4092 PR rtl-optimization/42294
4093 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
4094 * sel-sched.c (move_exprs_to_boundary): Transitively add all
4095 originators' originators.
4097 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
4099 PR rtl-optimization/39453
4100 PR rtl-optimization/42246
4101 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
4103 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
4105 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
4106 Alexander Monakov <amonakov@ispras.ru>
4109 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
4110 (maybe_tidy_empty_bb): ... here. Make static. Add new
4111 argument. Update all callers.
4112 (tidy_control_flow): ... and here. Recompute topological order
4113 of basic blocks in region if necessary.
4114 (sel_redirect_edge_and_branch): Change return type. Return true
4115 if topological order might have been invalidated.
4116 (purge_empty_blocks): Export and move from...
4117 * sel-sched.c (purge_empty_blocks): ... here.
4118 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
4119 (maybe_tidy_empty_bb): Delete prototype.
4120 (purge_empty_blocks): Declare.
4122 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
4124 PR rtl-optimization/42249
4125 * sel-sched.c (try_replace_dest_reg): When chosen register
4126 and original register is the same, do not bail out early, but
4127 still check all original insns for validity of replacing destination
4128 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
4131 2010-01-14 Jakub Jelinek <jakub@redhat.com>
4134 Port from no-undefined-overflow branch:
4135 2009-03-09 Richard Guenther <rguenther@suse.de>
4137 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
4139 2010-01-14 Richard Guenther <rguenther@suse.de>
4142 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
4144 2010-01-14 Ira Rosen <irar@il.ibm.com>
4146 PR tree-optimization/42709
4147 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
4148 as scalar type in creation of constant vector operand.
4150 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4153 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
4154 (check-parallel-%): Match `testsuite' directory component only
4157 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
4159 PR translation/39521
4160 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
4163 2010-01-13 Richard Guenther <rguenther@suse.de>
4165 PR tree-optimization/42730
4166 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
4169 2010-01-13 Steve Ellcey <sje@cup.hp.com>
4172 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
4173 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
4176 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
4178 * config/bfin/libgcc-bfin.ver: Regenerate based on current
4179 libgcc-std.ver. Add entries for ___smulsi3_highpart and
4180 ___umulsi3_highpart.
4182 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
4183 rather than schedule_insns if the pass is enabled.
4185 2010-01-13 Martin Jambor <mjambor@suse.cz>
4187 PR tree-optimization/42704
4188 * tree-sra.c (sra_modify_assign): Do not delete assignments to
4191 2010-01-13 Martin Jambor <mjambor@suse.cz>
4193 PR tree-optimization/42703
4194 * tree-sra.c (analyze_access_subtree): Check that we can build a
4195 reference to the original data within the aggregate.
4197 2010-01-13 Richard Guenther <rguenther@suse.de>
4199 PR tree-optimization/42705
4200 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
4202 2010-01-13 Richard Guenther <rguenther@suse.de>
4205 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
4207 2010-01-13 Jakub Jelinek <jakub@redhat.com>
4210 * var-tracking.c (values_to_unmark): New variable.
4211 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
4212 values_to_unmark vector. Moved body to...
4213 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
4214 instead queue it into values_to_unmark vector.
4215 (vt_find_locations): Free values_to_unmark vector.
4217 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
4219 * config/s390/s390.c (override_options): Set
4220 default of max-pending-list-length to 256
4222 2010-01-13 Richard Guenther <rguenther@suse.de>
4225 * tree-pass.h (PROP_gimple_lcx): New.
4226 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
4227 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
4228 before the final cleanup_eh.
4229 (dump_properties): Dump PROP_gimple_lcx.
4230 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
4231 (tree_lower_complex_O0): Remove.
4232 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
4233 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
4234 tree_lower_complex, schedule TODO_update_ssa.
4235 * lto-streamer-out.c (output_function): Stream the functions
4237 * lto-streamer-in.c (input_function): Likewise.
4238 (lto_read_body): Do not override them here.
4240 2010-01-12 Joseph Myers <joseph@codesourcery.com>
4243 * c-typeck.c (build_c_cast): Fold value cast to union type before
4244 wrapping it in a CONSTRUCTOR.
4246 2010-01-12 Jakub Jelinek <jakub@redhat.com>
4248 PR rtl-optimization/42699
4249 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
4252 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4254 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
4255 SUBTARGET_WARN_UNUSED_SPEC): Move ...
4256 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
4257 SUBTARGET_WARN_UNUSED_SPEC): ... here
4258 * config/mips/iris5.h (LIBGCC_SPEC): Define.
4260 2010-01-12 Julian Brown <julian@codesourcery.com>
4262 * config/arm/neon-schedgen.ml (Utils): Don't try to
4263 open missing module.
4264 (find_with_result): New.
4266 2010-01-12 Jakub Jelinek <jakub@redhat.com>
4269 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
4270 sharing when canonicalizing ({lt,ge}u (plus a b) b).
4272 PR tree-optimization/42645
4273 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
4274 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
4275 decl_map, set processing_debug_stmt to -1 and return name without
4278 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
4280 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
4281 binutils version, and reword target configuration description.
4283 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
4285 * config/avr/avr.h (LINKER_NAME): Remove.
4287 2010-01-11 Janis Johnson <janis187@us.ibm.com>
4290 * config/rs6000/rs6000.c (rs6000_override_options): On targets
4291 that support VSX, warn for -mno-altivec if vsx is not disabled,
4294 2010-01-11 Joseph Myers <joseph@codesourcery.com>
4295 Shujing Zhao <pearly.zhao@oracle.com>
4297 PR translation/42469
4298 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
4299 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
4300 character between option name and help text.
4301 * c.opt (imultilib): Likewise.
4303 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
4305 * lto-streamer-out.c (output_unreferenced_globals): Output static
4308 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
4310 PR rtl-optimization/42621
4311 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
4312 optimizing for size.
4313 (duplicate_computed_gotos): Remove now-redundant check.
4315 2010-01-10 Steve Ellcey <sje@cup.hp.com>
4318 * configure.ac: Save and restore LDFLAGS and LIBS
4319 * configure: Regenerate.
4321 2010-01-10 Richard Guenther <rguenther@suse.de>
4324 * builtins.c (fold_builtin_strlen): Add type argument and
4325 convert the resulting length to it.
4326 (fold_builtin_1): Adjust.
4328 2010-01-09 Jakub Jelinek <jakub@redhat.com>
4330 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
4331 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
4333 (num_insns_constant_wide): Adjust for that change.
4335 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
4338 * web.c (union_defs): Add used argument, to combine uses of
4340 (entry_register): Adjust type and tests of used argument.
4341 (web_main): Widen used for new use. Pass it to union_defs.
4342 * df.h (union_defs): Adjust prototype.
4344 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
4347 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
4348 uses in new incoming argument. Free body.
4349 (reset_debug_uses_in_loop): New.
4350 (analyze_insn_to_expand_var): Call the latter if the former found
4351 anything. Fix whitespace. Reject invalid dest overlaps before
4352 going through all insns in the loop.
4354 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
4357 * haifa-sched.c (dying_use_p): Debug insns don't count.
4359 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
4362 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
4363 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
4364 (verify_gimple_call): Reject LHS in noreturn calls.
4366 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
4370 * tree-vect-loop-manip.c (adjust_info): New type.
4371 (adjust_vec): New pointer to vector.
4372 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
4373 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
4374 (slpeel_update_phis_for_duplicate_loop): Use them.
4375 (slpeel_update_phi_nodes_for_guard1): Likewise.
4376 (slpeel_update_phi_nodes_for_guard2): Likewise.
4377 (slpeel_tree_peel_loop_to_edge): Likewise.
4378 (vect_update_ivs_after_vectorizer): Likewise.
4380 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
4382 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
4383 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
4385 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
4387 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
4388 bogus uninitialized warning.
4390 2010-01-09 Richard Guenther <rguenther@suse.de>
4393 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
4394 the evolution is compatible with the initial condition.
4396 2010-01-09 Jakub Jelinek <jakub@redhat.com>
4398 * gcc.c (process_command): Update copyright notice dates.
4399 * gcov.c (print_version): Likewise.
4400 * gcov-dump.c (print_version): Likewise.
4401 * mips-tfile.c (main): Likewise.
4402 * mips-tdump.c (main): Likewise.
4404 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
4407 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
4409 (rotlhi3_8): Delete.
4411 (rotlsi3_8): Delete.
4412 (rotlsi3_16): Delete.
4413 (rotlsi3_24): Delete.
4415 (*rotw<mode>3): New.
4416 (*rotb<mode>3): New.
4417 * config/avr/avr.c (avr_rotate_bytes): New function.
4418 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
4420 2010-01-08 Steve Ellcey <sje@cup.hp.com>
4423 * configure.ac: Modify -rdynamic check.
4424 * configure: Regenerate.
4426 2010-01-08 DJ Delorie <dj@redhat.com>
4428 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
4429 register popping order.
4431 2010-01-08 Richard Guenther <rguenther@suse.de>
4434 * c.opt (fsigned-char): Also let LTO handle this option.
4435 (funsigned-char): Likewise.
4437 2010-01-07 Richard Guenther <rguenther@suse.de>
4439 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
4440 (gimple_op): Likewise.
4441 (gimple_op_ptr): Likewise.
4442 (gimple_assign_set_lhs): Remove gcc_assert.
4443 (gimple_assign_set_rhs1): Likewise.
4444 (gimple_assign_set_rhs2): Likewise.
4445 (gimple_call_set_lhs): Likewise.
4446 (gimple_call_set_fn): Likewise.
4447 (gimple_call_set_fndecl): Likewise.
4448 (gimple_call_fndecl): Likewise.
4449 (gimple_call_return_type): Likewise.
4450 (gimple_call_set_chain): Likewise.
4451 (gimple_call_num_args): Likewise.
4452 (gimple_call_set_arg): Likewise.
4453 (gimple_cond_set_code): Likewise.
4454 (gimple_cond_set_lhs): Likewise.
4455 (gimple_cond_set_rhs): Likewise.
4456 (gimple_cond_set_true_label): Likewise.
4457 (gimple_cond_set_false_label): Likewise.
4458 (gimple_label_set_label): Likewise.
4459 (gimple_goto_set_dest): Likewise.
4460 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
4461 (gimple_debug_bind_get_value): Likewise.
4462 (gimple_debug_bind_get_value_ptr): Likewise.
4463 (gimple_debug_bind_set_var): Likewise.
4464 (gimple_debug_bind_set_value): Likewise.
4465 (gimple_debug_bind_reset_value): Likewise.
4466 (gimple_debug_bind_has_value_p): Likewise.
4467 (gimple_return_retval_ptr): Remove gcc_assert.
4468 (gimple_return_retval): Likewise.
4469 (gimple_return_set_retval): Likewise.
4470 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
4471 (safe_referenced_var_iterator): Remove.
4472 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
4473 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
4474 (fill_referenced_var_vec): Remove.
4475 (first_readonly_imm_use): Remove redundant gcc_assert.
4476 (phi_arg_index_from_use): Combine gcc_asserts.
4477 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
4478 (first_imm_use_stmt): Remove redundant gcc_assert.
4479 * tree-cfg.c (verify_gimple_call): Verify function and chain
4480 operands. Verify arguments.
4481 (verify_types_in_gimple_stmt): Verify condition code and labels.
4483 2010-01-07 Richard Guenther <rguenther@suse.de>
4485 PR tree-optimization/42641
4486 * sese.c (rename_map_elt_info): Use the SSA name version, do
4489 2010-01-07 Jakub Jelinek <jakub@redhat.com>
4491 PR tree-optimization/42625
4492 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
4493 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
4495 2010-01-07 Duncan Sands <baldrick@free.fr>
4497 * Makefile.in (PLUGIN_HEADERS): Add version.h.
4499 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
4502 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
4503 note itself is not function_invariant_p.
4505 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
4507 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
4508 Do not add the DF_NOTE problem.
4509 * store-motion.c (execute_rtl_store_motion): Likewise.
4511 2010-01-07 Martin Jambor <mjambor@suse.cz>
4513 PR tree-optimization/42157
4514 * tree-sra.c (compare_access_positions): Stabilize sort if both
4515 accesses have integer types, return zero immediately if they are the
4518 2010-01-06 Richard Henderson <rth@redhat.com>
4521 * haifa-sched.c (add_to_note_list): Merge into ...
4522 (concat_note_lists): ... here, and ...
4523 (unlink_other_notes, rm_other_notes): Merge into...
4524 (remove_notes): ... here. Create REG_SAVE_NOTEs for
4525 NOTE_INSN_EPILOGUE_BEG.
4527 2010-01-06 Richard Guenther <rguenther@suse.de>
4529 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
4530 not inline regular functions into always-inline functions.
4532 2010-01-06 Nick Clifton <nickc@redhat.com>
4534 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
4535 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
4537 (OVERRIDE_OPTIONS): Delete.
4538 (OPTIMIZATION_OPTIONS): Define.
4539 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
4540 * config/rx/rx.c (rx_handle_option): Issue an error message if
4541 -mcpu=rx200 and -fpu are used together.
4542 (rx_set_optimization_options): New function. Issue an error
4543 message if an optimization attribute attempts to reset the FPU/
4544 math optimization pairing.
4545 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
4546 * config/rx/rx.opt: Set the default to 32-bit doubles.
4547 * config/rx/t-rx: Add multilibs for -nofpu option.
4548 * doc/invoke.texi: Update documentation of RX options.
4550 2010-01-06 Richard Guenther <rguenther@suse.de>
4552 * tree-ssa-pre.c (name_to_id): New global.
4553 (alloc_expression_id): Simplify SSA name handling.
4554 (lookup_expression_id): Likewise.
4555 (init_pre): Zero name_to_id.
4556 (fini_pre): Free it.
4558 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
4560 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
4562 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
4565 * config/i386/sse.md (smaxv2di3): New.
4566 (umaxv2di3): Likewise.
4567 (sminv2di3): Likewise.
4568 (uminv2di3): Likewise.
4570 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
4573 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
4574 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
4575 (legitimize_tls_address): Likewise.
4576 (sparc_tls_referenced_p): Likewise.
4577 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
4578 and adjust calls to legitimize_pic_address.
4579 (legitimate_constant_p) Use sparc_tls_referenced_p.
4580 (legitimate_pic_operand_p): Likewise.
4581 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
4582 (sparc_tls_symbol_ref_1): Delete.
4583 (sparc_tls_referenced_p): Make static, recognize specific patterns.
4584 (legitimize_tls_address): Make static, handle CONST patterns.
4585 (legitimize_pic_address): Make static, remove unused parameter and
4586 adjust recursive calls.
4587 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
4588 and adjust call to legitimize_pic_address.
4589 (sparc_output_mi_thunk): Likewise.
4591 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
4592 H.J. Lu <hongjiu.lu@intel.com>
4595 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
4596 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
4597 operands to make them signed.
4600 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
4603 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
4604 GTU to GT for V4SI and V2DI.
4606 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
4607 (umin<mode>3): Removed.
4609 (uminv4si3): Likewise.
4611 2010-01-05 Martin Jambor <mjambor@suse.cz>
4613 PR tree-optimization/42462
4614 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
4615 current_function_decl to helper functions and macros.
4617 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4620 * flags.h: Don't include real.h.
4621 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
4622 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
4623 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
4624 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
4625 * dominance.c: Update copyright.
4626 * gimple.c (walk_gimple_op): Remove inline.
4627 * tree-ssa-reassoc.c: Include real.h.
4628 * Makefile.in (FLAGS_H): Remove $(REAL_H).
4629 (tree-ssa-reassoc.o): Depend on $(REAL_H).
4631 2010-01-05 Nick Clifton <nickc@redhat.com>
4633 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
4634 register to push into the stack frame when the accumulator has to
4635 be saved during interrupts.
4637 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
4639 * doc/invoke.texi: Remove the documentation about option
4641 * common.opt (Wunreachable-code): Preserved for backward
4643 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
4644 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
4645 the backward compatibility flag section.
4647 2010-01-05 Richard Guenther <rguenther@suse.de>
4649 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
4651 2010-01-05 Jakub Jelinek <jakub@redhat.com>
4654 * cfgexpand.c (expand_one_var): Diagnose too large variables.
4656 PR tree-optimization/42508
4657 * tree-sra.c (convert_callers): Check for recursive call
4658 by comparing cgraph nodes instead of decls.
4659 (modify_function): Call ipa_modify_formal_parameters also
4660 on all same_body aliases.
4662 * cgraphunit.c (cgraph_materialize_all_clones): Compare
4663 cgraph nodes when checking for same_body aliases.
4665 2010-01-05 Richard Guenther <rguenther@suse.de>
4667 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
4668 allocation and lookup.
4669 (get_or_alloc_expr_for_constant): Likewise.
4670 (phi_translate): Sink allocation.
4672 2010-01-04 Richard Guenther <rguenther@suse.de>
4674 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
4675 a new entry only if needed.
4676 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
4677 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
4679 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
4681 (phi_translate): Handle CONSTANTs early.
4683 2010-01-04 Martin Jambor <mjambor@suse.cz>
4685 PR tree-optimization/42398
4686 * tree-sra.c (struct access): Removed flag grp_different_types.
4687 (dump_access): Do not dump the removed flag.
4688 (sort_and_splice_var_accesses): Do not set the removed flag.
4689 (sra_modify_expr): Check for type compatibility directly.
4691 2010-01-04 Martin Jambor <mjambor@suse.cz>
4693 PR tree-optimization/42366
4694 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
4695 edges with variable number of parameters.
4696 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
4697 flag instead of asserting it.
4698 (ipa_read_node_info): Read uses_analysis_done flag.
4700 2010-01-04 Richard Guenther <rguenther@suse.de>
4702 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
4703 iterative_hash_* as intended.
4704 (vn_reference_compute_hash): Likewise. Simplify hashing
4706 (vn_reference_lookup_2): Likewise.
4707 (vn_nary_op_compute_hash): Likewise.
4708 (vn_phi_compute_hash): Likewise.
4709 (expressions_equal_p): Remove strange code.
4710 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
4711 (pre_expr_hash): Likewise. Simplify hashing SSA names.
4712 (bitmap_insert_into_set_1): Take value-id as parameter.
4713 (add_to_value): Pass it.
4714 (bitmap_insert_into_set): Likewise.
4715 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
4717 2010-01-04 Jakub Jelinek <jakub@redhat.com>
4720 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
4721 (do_self_spec): For switches with SWITCH_IGNORE set set also
4722 SWITCH_IGNORE_PERMANENTLY.
4723 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
4726 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
4728 * lto-streamer-out.c (output_unreferenced_globals): Output the full
4729 tree of an unreferenced global var.
4731 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
4734 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
4735 GTU to GT for V4SI and V2DI.
4737 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
4738 (umin<mode>3): Removed.
4740 (uminv4si3): Likewise.
4742 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
4745 * collect2.c (main): Turn on trace in collect2 if -v is passed
4748 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
4750 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
4751 description of expression operand.
4753 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
4755 * configure.ac: Add install-html to target_list for Make-hooks.
4756 * configure: Regenerate.
4757 * fortran/Make-lang.in (F95_HTMLFILES): New.
4758 (fortran.html): Use it.
4759 (fortran.install-html): New.
4760 * Makefile.in (install-html): Add lang.install-html.
4761 * java/Make-lang.in (JAVA_HTMLFILES): New.
4762 (java.html): Use it.
4763 (java.install-html): New.
4764 * objc/Make-lang.in (objc.install-html): New.
4765 * objcp/Make-lang.in (obj-c++.install-html): New.
4766 * cp/Make-lang.in (c++.install-html): New.
4767 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
4768 * lto/Make-lang.in (lto.install-html): New.
4770 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
4773 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
4775 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
4777 PR rtl-optimization/41862
4778 * store-motion.c (store_killed_in_insn, compute_store_table,
4779 remove_reachable_equiv_notes, replace_store_insn,
4780 build_store_vectors): Ignore all DEBUG_INSNs.
4782 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
4785 * common.opt: Add dumpdir.
4787 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
4789 (option_map): Add --dumpdir.
4791 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
4793 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
4795 * opts.c (decode_options): Try dump_dir_name first if
4796 dump_base_name isn't an absolute path.
4797 (common_handle_option): Handle OPT_dumpdir.
4799 * toplev.c (dump_dir_name): New.
4800 (print_switch_values): Also ignore -dumpdir.
4802 * toplev.h (dump_dir_name): New.
4804 2010-01-03 Richard Guenther <rguenther@suse.de>
4806 PR tree-optimization/42589
4807 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
4808 double-word expansion of bswap32.
4810 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
4812 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
4813 with BLOCK_FOR_INSN.
4814 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
4815 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
4816 noce_process_if_block): Likewise.
4817 * gcse.c (compute_local_properties, insert_expr_in_table,
4818 insert_set_in_table, canon_list_insert, find_avail_set,
4819 pre_insert_copy_insn): Likewise.
4821 * basic-block.h (BLOCK_NUM): Move from here...
4822 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
4824 2010-01-03 Richard Guenther <rguenther@suse.de>
4826 PR tree-optimization/42438
4827 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
4828 contains_may_not_return_call flag.
4829 (BB_MAY_NOTRETURN): New.
4830 (valid_in_sets): Trapping nary operations are not valid
4831 in blocks that may not return.
4832 (insert_into_preds_of_block): Remove check for trapping expressions.
4833 (compute_avail): Compute also BB_MAY_NOTRETURN.
4835 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
4837 * doc/invoke.texi: Add 2010 to copyright years.
4839 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
4841 * config/sparc/sparc.c: Fix formatting nits.
4843 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
4844 Alexander Monakov <amonakov@ispras.ru>
4846 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
4848 2010-01-02 Richard Guenther <rguenther@suse.de>
4851 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
4852 (simplify_switch_using_ranges): Mark to be removed edges
4855 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4857 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
4859 * collect2.c (scan_libraries): Add missing argument in call to
4862 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
4865 * config/alpha/predicates.md (aligned_memory_operand): Return false
4867 (unaligned_memory_operand): Return true for CQImode.
4868 * config/alpha/alpha.c (get_aligned_mem): Assert that location
4869 doesn not cross aligned SImode word boundary.
4871 2010-01-02 Anatoly Sokolov <aesok@post.ru>
4873 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
4875 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
4876 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
4878 2010-01-02 Richard Guenther <rguenther@suse.de>
4881 * toplev.c (compile_file): Emit LTO marker properly. Change
4883 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
4885 2010-01-01 Richard Guenther <rguenther@suse.de>
4888 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
4890 2010-01-01 Richard Guenther <rguenther@suse.de>
4893 * c-decl.c (grokdeclarator): For zero-size arrays force
4894 structural equality checks as layout_type does.
4896 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
4898 * builtins.c: Update copyright to 2010.
4900 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
4903 * lto-streamer-out.c (produce_asm): Revert the last change.
4904 (copy_function): Likewise.
4906 * lto-streamer.c (lto_get_section_name): Skip any leading
4909 2010-01-01 Richard Guenther <rguenther@suse.de>
4912 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
4916 Copyright (C) 2010 Free Software Foundation, Inc.
4918 Copying and distribution of this file, with or without modification,
4919 are permitted in any medium without royalty provided the copyright
4920 notice and this notice are preserved.