1 2010-04-03 Richard Guenther <rguenther@suse.de>
4 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
5 require a non-NULL MEM_OFFSET.
7 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
9 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
10 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
11 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
12 config/alpha/predicates.md, config/arm/arm.md,
13 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
14 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
15 config/darwin9.h, config/darwin.c, config/darwin.h,
16 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
17 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
18 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
19 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
20 config/mips/mips.md, config/mn10300/mn10300.c,
21 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
22 config/rs6000/aix.h, config/rs6000/dfp.md,
23 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
24 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
25 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
26 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
27 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
28 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
29 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
30 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
31 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
32 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
33 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
34 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
35 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
36 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
37 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
38 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
39 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
40 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
41 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
42 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
43 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
44 opt-functions.awk, opth-gen.awk, params.def, passes.c,
45 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
46 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
47 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
48 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
49 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
50 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
51 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
52 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
53 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
54 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
55 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
56 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
57 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
58 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
60 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
63 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
64 * aclocal.m4: Regenerate.
66 2010-04-02 Richard Guenther <rguenther@suse.de>
68 PR tree-optimization/43629
69 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
70 if we have seen a constant value.
72 2010-04-02 Joseph Myers <joseph@codesourcery.com>
74 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for
77 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
80 * arm.c (legitimize_tls_address): Adjust call to
81 gen_tls_load_dot_plus_four.
82 (arm_note_pic_base): New function.
83 (arm_cannot_copy_insn_p): Use it.
84 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
87 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
92 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
94 * Makefile.in ($(out_object_file)): Depend on
95 gt-$(basename $(notdir $(out_file))).h.
97 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
99 * config.gcc (lm32-*-rtems*): Add t-lm32.
101 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
103 * config.gcc: Add lm32-*-rtems*.
104 * config/lm32/rtems.h: New file.
106 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
109 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
111 2010-04-01 Jakub Jelinek <jakub@redhat.com>
113 * dwarf2out.c (output_compilation_unit_header): For
114 -gdwarf-4 use version 4 instead of version 3.
115 (output_line_info): For version 4 and above emit additional
116 maximum ops per insn header field.
117 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
119 * dwarf2out.c (is_c_family, is_java): Remove.
120 (lower_bound_default): New function.
121 (add_bound_info, gen_descr_array_type_die): Use it.
123 2010-04-01 Dodji Seketeli <dodji@redhat.com>
126 * dwarf2out.c (gen_variable_die): Allow debug info for variable
127 re-declaration when it happens in a function.
129 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
131 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
132 (cgraph_remove_function_insertion_hook): Same.
133 (cgraph_call_function_insertion_hooks): Same.
135 2010-04-01 Richard Guenther <rguenther@suse.de>
138 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
139 and TREE_THIS_VOLATILE.
140 (copy_ref_info): Likewise.
141 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
142 * tree.c (build6_stat): Ignore side-effects of all but arg5
143 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
146 2010-04-01 Richard Guenther <rguenther@suse.de>
148 PR tree-optimization/43607
149 * ipa-type-escape.c (check_call): Do not access non-existing
152 2010-04-01 Richard Guenther <rguenther@suse.de>
156 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
157 Jack Howarth <howarth@bromo.med.uc.edu>
159 * tree-profile.c (tree_init_ic_make_global_vars): Make static
162 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
164 * doc/install.texi (Prerequisites): Document libelf usability on
165 IRIX 5/6 and Solaris 2.
166 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
167 Update GNU as, GNU ld requirements.
168 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
169 Document Sun Studio compiler download.
170 Update and simplify as, ld recommendations.
171 (Specific, *-*-solaris2.7): Note obsoletion, removal.
173 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
175 * config.guess (i[34567]86-*-solaris2*): Default with_arch_32,
176 with_tune_32 to pentium4.
178 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
180 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
182 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
184 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
187 Document GNU as requirement.
188 Update configure requirements.
189 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion,
191 Recomment IRIX 6.5.18+.
192 Document IDF/IDL requirement.
193 Document GNU as requirement.
194 Document GNU ld bootstrap failure.
195 Remove freeware.sgi.com reference.
197 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
199 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
200 UNIX V4.0, V5.0 obsoletion, removal.
201 Remove --with-gc=simple reference.
202 Update VM requirements during bootstrap.
203 Remove -oldas bootstrap description.
204 Update binutils reference.
205 Remove comparison failure note.
207 2010-03-31 Richard Guenther <rguenther@suse.de>
208 Zdenek Dvorak <ook@ucw.cz>
209 Sebastian Pop <sebastian.pop@amd.com>
212 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
213 with multiple arguments.
214 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
216 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
218 * graphite-dependences.c (print_pddr): Call print_pdr with an
220 * graphite-poly.c (debug_pdr): Add an extra argument for the
223 (print_pbb_domain): Same.
225 (print_scop_context): Same.
228 (debug_pbb_domain): Same.
232 (debug_scop_context): Same.
235 (print_scop_params): Same.
236 (debug_scop_params): Same.
237 (print_iteration_domain): Same.
238 (print_iteration_domains): Same.
239 (debug_iteration_domain): Same.
240 (debug_iteration_domains): Same.
241 (print_scattering_function): Same.
242 (print_scattering_functions): Same.
243 (debug_scattering_function): Same.
244 (debug_scattering_functions): Same.
245 * graphite-poly.h (debug_pdr): Update declaration.
247 (print_pbb_domain): Same.
249 (print_scop_context): Same.
252 (debug_pbb_domain): Same.
256 (debug_scop_context): Same.
259 (print_scop_params): Same.
260 (debug_scop_params): Same.
261 (print_iteration_domain): Same.
262 (print_iteration_domains): Same.
263 (debug_iteration_domain): Same.
264 (debug_iteration_domains): Same.
265 (print_scattering_function): Same.
266 (print_scattering_functions): Same.
267 (debug_scattering_function): Same.
268 (debug_scattering_functions): Same.
270 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
272 * graphite-poly.c (print_scattering_function_1): New.
273 (print_scattering_function): Call it.
274 (print_scop_params): Remove spaces at the end of lines.
277 * graphite-poly.h (print_cloog): Declared.
278 (debug_cloog): Declared.
280 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
282 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
284 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
285 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
286 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
287 to switch between adding the IV bump in loop->latch or in loop->header.
289 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
291 * graphite-poly.c (print_scattering_function): Pretty print following
294 (print_pbb_domain): Same.
295 (dump_gbb_cases): Same.
296 (dump_gbb_conditions): Same.
299 (print_scop_params): Same.
300 (print_scop_context): Same.
302 (print_pbb_body): New.
303 (lst_indent_to): New.
304 (print_lst): Start new lines with a #.
305 * graphite-poly.h (pbb_bb): New.
306 (pbb_index): Use pbb_bb.
307 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
309 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
311 2010-03-31 Jakub Jelinek <jakub@redhat.com>
313 * dwarf2out.c (size_of_die): For -gdwarf-4 use
314 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
315 and 0 instead of 1 for dw_val_class_flag.
316 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
317 dw_val_class_range_list, dw_val_class_loc_list,
318 dw_val_class_lineptr and dw_val_class_macptr, use
319 DW_FORM_flag_present for dw_val_class_flag and
320 DW_FORM_exprloc for dw_val_class_loc.
321 (output_die): For -gdwarf-4 print dw_val_class_loc
322 size as uleb128 instead of 1 or 2 bytes and don't print
323 anything for dw_val_class_flag.
325 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
326 instead of cselib_lookup following by tweaking locs->setting_insn.
329 * cselib.c (cselib_process_insn): Clear cselib_current_insn
330 even before returning from label, setjmp call or volatile asm
333 2010-03-31 Richard Guenther <rguenther@suse.de>
336 * cgraphunit.c (cgraph_output_in_order): Do not allocate
337 temporary data on stack.
339 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
341 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
342 (PUSHSECTION_ASM_OP): Remove.
343 (POPSECTION_ASM_OP): Remove.
344 (PUSHSECTION_FORMAT): Remove.
345 * config/sol2.h (PUSHSECTION_FORMAT): Define.
346 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
347 * config/sol2.c (solaris_output_init_fini): Use it.
349 2010-03-31 Jie Zhang <jie@codesourcery.com>
352 * opt-functions.awk (var_type_struct): Use signed char type
353 for simple variables.
355 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
357 * config/sol2.c: Include output.h.
358 (solaris_assemble_visibility): New function.
359 * config/t-sol2 (sol2.o): Add output.h dependency.
360 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
361 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
364 2010-03-31 Jakub Jelinek <jakub@redhat.com>
367 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
368 V2SImode or XFmode on PRE_DEC.
371 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
374 2010-03-31 Jie Zhang <jie@codesourcery.com>
377 * reload.h (caller_save_initialized_p): Declare.
378 * toplev.c (backend_init_target): Don't call
379 init_caller_save but set caller_save_initialized_p to false.
380 * caller-save.c (caller_save_initialized_p): Define.
381 (init_caller_save): Check caller_save_initialized_p.
382 * ira.c (ira): Call init_caller_save if flag_caller_saves.
384 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
387 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
388 and soft-fp/t-softfp to tmake_file.
389 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
390 (LIBGCC2_TF_CEXT): Define.
393 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
396 * cselib.c (n_useless_values): Document handling of debug locs.
397 (n_useless_debug_values, n_debug_values): New variables.
398 (new_elt_loc_list): Don't add to debug values, keep count.
399 (promote_debug_loc): New.
400 (cselib_reset_table): Zero new variables.
401 (entry_and_rtx_equal_p): Promote debug locs.
402 (discard_useless_locs): Increment n_useless_debug_values for
404 (remove_useless_values): Adjust n_useless_values and n_debug_values
405 with n_useless_debug_values.
406 (add_mem_for_addr): Promote debug locs.
407 (cselib_lookup_mem): Likewise.
408 (cselib_lookup_addr): Renamed to...
409 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
410 (cselib_log_lookup): ... this. Turn into...
411 (cselib_lookup_addr): ... new wrapper.
412 (cselib_lookup_from_insn): New.
413 (cselib_invalidate_regno): Increment n_useless_debug_values for
415 (cselib_invalidate_mem): Likewise.
416 (cselib_process_insn): Take n_deleted and n_debug_values into
417 account to guard remove_useless_value call.
418 (cselib_finish): Zero n_useless_debug_values.
419 * cselib.h (cselib_lookup_from_insn): Declare.
420 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
421 (sched_analyze_2): Likewise.
423 2010-03-30 Jakub Jelinek <jakub@redhat.com>
425 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
427 (adjust_mems): Replace narrowing SUBREG of expression containing
428 just PLUS, MINUS, MULT and ASHIFT of registers and constants
429 with operations in the narrower mode.
432 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
433 regs_invalidated_by_call instead all call_used_reg_set registers.
435 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
438 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
439 pointer comparisons with types_compatible_p.
440 * tree-vect-stmts.c (vectorizable_call): Same.
441 (vectorizable_condition): Same.
443 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
445 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
446 stack check if the mask would be zero.
448 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
449 Jack Howarth <howarth@bromo.med.uc.edu>
451 * tree-profile.c (tree_init_ic_make_global_vars): Make static
454 2010-03-30 Joseph Myers <joseph@codesourcery.com>
457 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
459 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
460 Include ___unordxf2 and ___unordtf2.
461 * config/i386/libgcc-glibc.ver: Do not define inheritance from
464 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
466 * config/lm32/t-lm32: New file.
467 * config.gcc: Use the above file when targetting lm32.
469 2010-03-28 Duncan Sands <baldrick@free.fr>
471 * Makefile.in (PLUGIN_HEADERS): Add except.h.
473 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
476 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
477 Improve vectorization cost model diagnostic.
479 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
482 * tree-vect-data-refs.c (vect_analyze_data_refs): When
483 compute_data_dependences_for_loop returns false, early exit
484 and output an extra diagnostic for the failed data reference
487 2010-03-29 Richard Guenther <rguenther@suse.de>
489 PR tree-optimization/43560
490 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
491 (can_sm_ref_p): Treat stores to readonly locations as trapping.
493 2010-03-29 Jie Zhang <jie@codesourcery.com>
496 * toplev.c (process_options): Set optimization_default_node
497 and optimization_current_node.
498 * opts.c (decode_options): Don't set optimization_default_node
499 and optimization_current_node.
501 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
503 * config/rtems.h: Abandon -qrtems_debug.
505 2010-03-28 Jan Hubicka <jh@suse.cz>
507 PR tree-optimization/43505
508 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
509 map should not be copied.
511 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
514 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
515 cdtors, set DECL_PRESERVE_P.
516 * ipa.c (cgraph_externally_visible_p): Return true if declaration
519 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
521 PR tree-optimization/43528
522 * stor-layout.c (place_field): Check that constant fits into
523 unsigned HWI when skipping calculation of MS bitfield layout.
525 2010-03-27 Jan Hubicka <jh@suse.cz>
528 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
529 notice_global_symbol work.
531 2010-03-27 Jakub Jelinek <jakub@redhat.com>
533 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
534 instead of dwarf2out_decl.
535 (struct var_loc_node): Remove section_label field.
536 (dwarf2out_function_decl): New function.
537 (dwarf2out_var_location): Don't set section_label field.
538 (dwarf2out_begin_function): Don't empty decl_loc_table here.
540 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
542 PR tree-optimization/43544
543 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
544 First argument for builtin vectorized function hook is now a
545 tree to be able to distinguish between machine specific and
547 * targhooks.c (default_builtin_vectorized_function): Ditto.
548 * targhooks.h (default_builtin_vectorized_function): Ditto.
549 * target.h (struct gcc_target): Ditto.
550 * tree-vect-stmts.c (vectorizable_function): Ditto.
551 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
552 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
555 2010-03-26 Joseph Myers <joseph@codesourcery.com>
558 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
559 nested binding iff it is a FUNCTION_DECL.
560 (store_parm_decls_newstyle): Pass nested=true to bind for
561 FUNCTION_DECLs amongst parameters.
563 2010-03-26 Jakub Jelinek <jakub@redhat.com>
565 * var-tracking.c (vt_expand_loc_callback): Don't run
566 cselib_expand_value_rtx_cb in dummy mode if
567 cselib_dummy_expand_value_rtx_cb returned false.
569 * var-tracking.c (emit_note_insn_var_location): For one part
570 notes with offset 0, don't add EXPR_LIST around the location.
571 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
572 add_location_or_const_value_attribute): Adjust for that change.
575 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
576 into first operand and location into second.
577 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
578 dw_cfi_oprnd_loc for DW_CFA_expression.
579 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
580 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
581 assume first argument is regnum and second argument is location.
583 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
586 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
587 of scratch register to DImode. Split to DImode comparison operator.
588 Use SImode subreg of scratch register in the multiplication.
589 (*cmp_sadd_sidi): Ditto.
590 (*cmp_ssub_si): Ditto.
591 (*cmp_ssub_sidi): Ditto.
593 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
596 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
597 Remove invalid assert and wrong comment.
599 2010-03-26 Jakub Jelinek <jakub@redhat.com>
602 * flags.h (final_insns_dump_p): New extern.
603 * final.c (final_insns_dump_p): New variable.
604 (rest_of_clean_state): Set it before -fdump-final-insns=
605 dumping, clear afterwards.
606 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
607 MEM_ALIAS_SET on MEMs.
609 2010-03-26 David S. Miller <davem@davemloft.net>
611 * configure.ac: Fix sparc GOTDATA_OP bug check.
612 * configure: Rebuild.
614 2010-03-26 Alan Modra <amodra@gmail.com>
616 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
618 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
620 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
621 TLS_SECTION_ASM_FLAG.
623 2010-03-25 Jakub Jelinek <jakub@redhat.com>
626 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
627 Clear first_function_block_is_cold.
630 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
631 argument if the argument is truth_value_p.
633 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
635 * config/rs6000/constraints.md: Update copyright year for my changes.
638 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
639 used in reg+reg addressing, swap registers.
641 2010-03-24 Jakub Jelinek <jakub@redhat.com>
644 * target.h (struct gcc_target): Add code_end hook.
645 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
647 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
648 * toplev.c (compile_file): Call targetm.asm_out.code_end
649 hook before unwind info/debug info output.
650 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
651 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
652 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
653 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
654 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
655 * config/i386/i386.c (ix86_file_end): Renamed to...
656 (ix86_code_end): ... this. Make static. Don't call
657 file_end_indicate_exec_stack. Emit unwind info using
658 final_start_function/final_end_function.
659 (darwin_x86_file_end): Remove.
660 (TARGET_ASM_CODE_END): Define.
661 * config/i386/i386.h (TARGET_ASM_FILE_END,
662 NEED_INDICATE_EXEC_STACK): Don't define.
663 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
664 (TARGET_ASM_FILE_END): Define to darwin_file_end.
665 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
666 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
669 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
670 at the beginning and final_end_function at the end.
671 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
673 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
675 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
676 and Sun as TLS syntax.
677 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
678 * configure: Regenerate.
679 * config.in: Regenerate.
680 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
681 (default_elf_asm_named_section): Use it.
682 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
683 (i386_output_dwarf_dtprel): Likewise.
684 (output_addr_const_extra): Likewise.
685 (output_pic_addr_const): Lowercase @GOTTPOFF.
686 (output_addr_const_extra): Likewise.
687 (output_pic_addr_const): Lowercase @GOTNTPOFF.
688 (output_addr_const_extra): Likewise.
689 (output_pic_addr_const): Lowercase @INDNTPOFF.
690 (output_addr_const_extra): Likewise.
691 (output_pic_addr_const): Lowercase @NTPOFF.
692 (output_addr_const_extra): Likewise.
693 (output_pic_addr_const): Lowercase @TPOFF.
694 (output_addr_const_extra): Likewise.
695 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
696 (*tls_global_dynamic_64): Likewise.
697 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
698 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
700 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
701 (ASM_OUTPUT_TLS_COMMON): Use it.
702 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
705 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
706 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
707 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
708 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
709 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
710 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
712 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
714 * config/i386/i386.c (override_options): Don't accept
715 -mtls-dialect=sun any longer.
716 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
717 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
718 (*tls_local_dynamic_base_32_sun): Likewise.
719 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
721 2010-03-24 Jakub Jelinek <jakub@redhat.com>
724 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
725 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
728 * ira.c (adjust_cleared_regs): New function.
729 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
733 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
735 * expr.c (expand_expr_real): Restore previous
736 curr_insn_source_location and curr_insn_block after
737 expand_expr_real_1 call.
738 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
739 instead of expand_expr_real_1.
741 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
743 PR rtl-optimization/43413
744 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
747 2010-03-22 James E. Wilson <wilson@codesourcery.com>
750 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
751 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
753 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
755 * config/i386/i386.c (ix86_target_string): Add -mfma.
756 Fix a typo in comment.
758 2010-03-22 Mike Stump <mikestump@comcast.net>
761 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
762 Don't overly align based upon packed packed fields.
764 2010-03-22 Jason Merrill <jason@redhat.com>
766 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
767 Use () rather than [], and move before the element type.
769 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
771 * doc/configfiles.texi (Configuration Files): Removed
772 fixinc/Makefile*, intl/Makefile.*.
773 * doc/makefile.texi: Fixed markup. Abstract from version
775 (Makefile): Removed obsolete gcc/java/parse.y example.
776 * doc/sourcebuild.texi: Likewise.
777 (Top Level): Added config, gnattools, libdecnumber, libgcc,
778 libgomp, libssp. Removed fastjar.
779 (Miscellaneous Docs): Clarify location.
780 Added COPYING3, COPYING3.LIB.
781 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
783 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
786 * config/i386/i386.c (x86_function_profiler)
787 [!NO_PROFILE_COUNTERS]: Fix typo.
788 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
791 2010-03-22 Janis Johnson <janis187@us.ibm.com>
792 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
794 * doc/sourcebuild.texi (Test Directives): Split into six
795 subsections, with most of the current text in new subsections
796 Directives, Selectors, and Final Actions.
797 (Directives): Split list of test directives into multiple
799 (Selectors): Describe use and syntax of selectors.
800 (Effective-Target Keywords): Describe all existing keywords.
801 (Add Options): Describe features for dg-add-options.
802 (Require Support): Describe variants of dg-require-support.
803 (Final Actions): Describe commands to use in dg-final.
805 2010-03-22 Michael Matz <matz@suse.de>
808 * recog.c (validate_replace_rtx_group): Replace also in
809 REG_EQUAL and REG_EQUIV notes.
811 2010-03-22 Richard Guenther <rguenther@suse.de>
813 PR tree-optimization/43390
814 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
815 sure vector extracts are type correct.
817 2010-03-22 Richard Guenther <rguenther@suse.de>
820 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
821 x * sqrt (x) even when optimizing for size if the target
822 has native support for sqrt.
824 2010-03-22 Jakub Jelinek <jakub@redhat.com>
826 * varasm.c (make_decl_rtl_for_debug): Also clear
827 flag_mudflap for the duration of make_decl_rtl call.
830 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
831 locs from preserved VALUEs.
833 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
836 * pa.md (movmemsi): Set align to one if zero.
837 (movmemdi): Likewise.
839 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
842 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
843 with their corresponding prologue pushes.
845 2010-03-20 Andrew Pinski <pinskia@gmail.com>
848 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
849 at the begining or end.
850 (spu_expand_epilogue): Likewise.
852 2010-03-20 Richard Guenther <rguenther@suse.de>
854 PR rtl-optimization/43438
855 * combine.c (make_extraction): Properly zero-/sign-extend an
856 extraction of the low part of a CONST_INT. Also handle
859 2010-03-19 Mike Stump <mikestump@comcast.net>
861 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
862 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
863 (override_options): Use SUBTARGET32_DEFAULT_CPU.
865 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
868 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
871 2010-03-19 Bernd Schmidt <bernd.schmidt@codesourcery.com>
873 PR rtl-optimization/42258
874 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
875 use that may match DEF.
878 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
879 the cost of loading the constant rather than assuming
881 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
882 outer code is AND, do the same tests as the andsi3 expander and
883 return COSTS_N_INSNS (1) if and is cheap.
885 * optabs.c (avoid_expensive_constant): Fix formatting.
887 2010-03-19 Michael Matz <matz@suse.de>
890 * attribs.c (decl_attributes): When rebuilding a function pointer
891 type use the same qualifiers as the original pointer type.
893 2010-03-19 Martin Jambor <mjambor@suse.cz>
895 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
896 and is_gimple_ip_invariant_address.
898 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
901 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
903 * config/arm/arm.c (arm_override_options): Turn off
904 flag_dwarf2_cfi_asm for AAPCS variants.
906 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
909 * config/arm/arm.c (emit_multi_reg_push): Update comments.
910 Use PRE_MODIFY instead of PRE_DEC.
911 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
912 (vfp_emit_fstmd): Likewise.
914 2010-03-19 Michael Matz <matz@suse.de>
917 * builtins.c (expand_builtin_interclass_mathfn,
918 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
921 2010-03-19 Richard Guenther <rguenther@suse.de>
923 PR tree-optimization/43415
924 * tree-ssa-pre.c (phi_translate): Split out worker to ...
925 (phi_translate_1): ... this.
926 (phi_translate): Move all caching here. Cache all NARY
927 and REFERENCE translations.
929 2010-03-19 David S. Miller <davem@davemloft.net>
931 With help from Eric Botcazou.
932 * config/sparc/sparc.c: Include dwarf2out.h.
933 (emit_pic_helper): Delete.
934 (pic_helper_symbol_name): Delete.
935 (pic_helper_emitted_p): Delete.
936 (pic_helper_needed): New.
937 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
938 (get_pc_thunk_name): New.
939 (load_pic_register): Remove 'delay_pic_helper' arg. Use
940 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
941 Set pic_helper_needed to true. Don't call emit_pic_helper.
942 (sparc_expand_prologue): Update load_pic_register call.
943 (sparc_output_mi_thunk): Likewise.
944 (sparc_file_end): Emit a hidden comdat symbol for the PIC
945 thunk if possible. Output CFI information as needed.
947 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
948 Jack Howarth <howarth@bromo.med.uc.edu>
951 * config/i386/i386.h: Fix ABI on darwin x86-32.
953 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
955 * tree.h: Declare make_decl_rtl_for_debug.
956 * varasm.c (make_decl_rtl_for_debug): New.
957 * dwarf2out.c (rtl_for_decl_location): Call it.
958 * cfgexpand.c (expand_debug_expr): Call it.
960 2010-03-18 Jakub Jelinek <jakub@redhat.com>
963 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
967 * var-tracking.c (vt_init_cfa_base): Do nothing if
968 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
970 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
973 * var-tracking.c (canonicalize_vars_star): New.
974 (dataflow_post_merge_adjust): Use it.
976 2010-03-18 Jakub Jelinek <jakub@redhat.com>
979 * var-tracking.c (non_suitable_const): New function.
980 (add_uses): For DEBUG_INSNs with constants, don't record any
981 value, instead just the constant value itself.
982 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
983 is not VAR_LOC_UNKNOWN_P, set var to the constant.
984 (emit_notes_in_bb): Likewise.
985 (emit_note_insn_var_location): For onepart variables if
986 cur_loc is a VOIDmode constant, use DECL_MODE.
988 2010-03-18 Martin Jambor <mjambor@suse.cz>
991 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
992 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
993 all non-clones. Moved call redirection...
994 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
995 (cgraph_materialize_all_clones): Dispose of all
996 combined_args_to_skip bitmaps.
997 (verify_cgraph_node): Do not check for edges pointing to wrong
998 nodes in inline clones.
999 * tree-inline.c (copy_bb): Call
1000 cgraph_redirect_edge_call_stmt_to_callee.
1001 * ipa.c (cgraph_remove_unreachable_nodes): Call
1002 cgraph_node_remove_callees even when there are used clones.
1004 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
1006 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
1008 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
1011 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
1014 2010-03-18 Michael Matz <matz@suse.de>
1017 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
1018 into sqrt(x) if we need to preserve signed zeros.
1020 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
1021 Eric Botcazou <ebotcazou@adacore.com>
1023 PR rtl-optimization/43360
1024 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
1025 note if we don't know its invariant status.
1027 2010-03-18 Michael Matz <matz@suse.de>
1029 PR tree-optimization/43402
1030 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
1031 PHI chains of ssa names registered for update.
1033 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
1036 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
1037 non-offsettable and pre_modify update addressing.
1038 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
1039 and "2" alternatives "#".
1040 (*movdd_softfloat32): Make all alternatives "#";
1041 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
1042 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
1043 (*movdf_softfloat32): Make all alternatives "#";
1044 (movdi): Use the new DIFD mode iterator to create a common splitter
1045 for movdi, movdf and movdd patterns.
1047 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
1049 * common.opt (dumpdir): Remove redundant tab.
1051 2010-03-17 Martin Jambor <mjambor@suse.cz>
1053 PR tree-optimization/43347
1054 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
1055 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
1057 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
1059 PR rtl-optimization/42216
1060 * regrename.c (create_new_chain): New function, broken out from...
1061 (scan_rtx_reg): ... here. Call it. Handle the case where we are
1062 appending a use to an empty chain.
1063 (build_def_use): Remove previous changes that convert OP_INOUT to
1064 OP_OUT operands; instead detect the case where an OP_INOUT operand
1065 uses a previously untracked register and create an empty chain for it.
1067 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1069 * doc/extend.texi (Function Attributes): Rewrite unfinished
1070 sentence in ms_abi documentation.
1072 2010-03-17 Alan Modra <amodra@gmail.com>
1074 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
1075 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
1076 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
1077 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
1079 2010-03-16 Richard Henderson <rth@redhat.com>
1082 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
1083 (lower_try_finally): Save and restore eh_seq around the expansion
1086 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
1088 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
1089 statements before splitting block.
1091 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1093 * doc/sourcebuild.texi (Testsuites): Fix markup.
1094 Use pathnames relative to gcc/testsuite.
1095 (Test Directives): Move description of how timeout is determined.
1096 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
1097 (C Tests): Correct gcc.misc-tests directory.
1098 Framework tests now live in gcc.test-framework.
1100 2010-03-16 Richard Guenther <rguenther@suse.de>
1103 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
1104 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
1106 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
1107 Alexandre Oliva <aoliva@redhat.com>
1109 PR tree-optimization/42917
1110 * lambda-code.c (remove_iv): Skip debug statements.
1111 (lambda_loopnest_to_gcc_loopnest): Likewise.
1112 (not_interesting_stmt): Debug statements are not interesting.
1114 2010-03-16 Jakub Jelinek <jakub@redhat.com>
1118 * cselib.c (cselib_preserve_constants,
1119 cfa_base_preserved_val): New static variables.
1120 (preserve_only_constants): New function.
1121 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
1122 clear its REG_VALUES. If cselib_preserve_constants, don't
1123 empty the whole hash table, but preserve there VALUEs with constants,
1124 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
1125 (cselib_preserve_cfa_base_value): New function.
1126 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
1127 (cselib_init): Change argument to int bitfield. Set
1128 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
1130 (cselib_finish): Clear cselib_preserve_constants and
1131 cfa_base_preserved_val.
1132 * cselib.h (enum cselib_record_what): New enum.
1133 (cselib_init): Change argument to int.
1134 (cselib_preserve_cfa_base_value): New prototype.
1135 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
1136 * dse.c (dse_step1): Likewise.
1137 * cfgcleanup.c (thread_jump): Likewise.
1138 * sched-deps.c (sched_analyze): Likewise.
1139 * gcse.c (local_cprop_pass): Likewise.
1140 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
1141 If FN is non-NULL, call the callback always and whenever it returns
1142 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
1143 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
1144 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
1145 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
1146 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
1147 * var-tracking.c: Include recog.h.
1148 (bb_stack_adjust_offset): Remove.
1149 (vt_stack_adjustments): Don't call it, instead just gather the
1150 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
1151 (adjust_stack_reference): Remove.
1152 (compute_cfa_pointer): New function.
1153 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
1154 (struct adjust_mem_data): New type.
1155 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
1157 (get_address_mode): New function.
1158 (replace_expr_with_values): Use it.
1159 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
1160 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
1161 (adjust_sets): Remove.
1162 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
1163 Use get_address_mode.
1164 (get_adjusted_src): Remove.
1165 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
1166 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
1167 (add_with_sets): Don't call adjust_sets.
1168 (fp_setter, vt_init_cfa_base): New functions.
1169 (vt_initialize): Change return type to bool. Move most of pool etc.
1170 initialization to the beginning of the function from end. Pass
1171 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
1172 If !frame_pointer_needed, call vt_stack_adjustment before mos
1173 vector is filled, call vt_init_cfa_base if argp/framep has been
1174 eliminated to sp. If frame_pointer_needed and argp/framep has
1175 been eliminated to hard frame pointer, set
1176 hard_frame_pointer_adjustment and call vt_init_cfa_base after
1177 encountering fp setter in the prologue. For MO_ADJUST, call
1178 log_op_type before pusing the op into mos vector, not afterwards.
1179 Call adjust_insn before cselib_process_insn/add_with_sets,
1180 call cancel_changes (0) afterwards.
1181 (variable_tracking_main_1): Adjust for vt_initialize calling
1182 vt_stack_adjustments and returning whether it succeeded or not.
1184 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
1186 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
1189 2010-03-15 Jakub Jelinek <jakub@redhat.com>
1191 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
1193 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
1194 drap_reg has not been set.
1196 2010-03-15 Michael Matz <matz@suse.de>
1199 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
1200 use it to expand block copies.
1201 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
1202 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
1203 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
1205 2010-03-15 Richard Guenther <rguenther@suse.de>
1207 PR tree-optimization/43367
1208 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
1211 2010-03-15 Richard Guenther <rguenther@suse.de>
1213 PR tree-optimization/43317
1214 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
1216 2010-03-15 Martin Jambor <mjambor@suse.cz>
1218 PR tree-optimization/43141
1219 * tree-sra.c (create_abstract_origin): New function.
1220 (modify_function): Call create_abstract_origin.
1222 2010-03-15 Chris Demetriou <cgd@google.com>
1224 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
1227 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1230 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
1231 call insert_out_of_ssa_copy for default definitions.
1233 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1235 * graphite-clast-to-gimple.c (my_long_long): Defined.
1236 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
1237 * graphite-sese-to-poly.c (my_long_long): Defined.
1238 (scop_ivs_can_be_represented): Use it.
1240 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1242 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
1243 graphite-max-bbs-per-function, and loop-block-tile-size.
1244 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
1246 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
1248 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1250 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
1251 forward declaration.
1252 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
1253 (add_upper_bounds_from_estimated_nit): New.
1254 (build_loop_iteration_domains): Use it.
1256 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1258 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
1260 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1263 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
1264 should be an INTEGER_CST. Also handle CASE_CONVERT.
1266 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1268 * graphite.c (graphite_initialize): To bound the number of bbs per
1269 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
1270 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
1271 * doc/invoke.texi: Document it.
1273 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1275 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
1276 * graphite-sese-to-poly.h (build_poly_scop): Same.
1278 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
1280 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
1281 the number of parameters in the scop. Use as an upper bound
1282 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
1283 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
1284 * doc/invoke.texi: Document it.
1286 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
1288 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
1289 * doc/c-tree.texi: Remove.
1290 * doc/generic.texi: Merge c-tree.texi here.
1291 * doc/gccint.texi (Trees): Remove menu entry.
1292 (c-tree.texi): Remove @include.
1293 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
1294 * doc/languages.texi (Reading RTL): Ditto.
1296 2010-03-12 Steve Ellcey <sje@cup.hp.com>
1299 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
1301 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
1304 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
1305 code added to work around reload clobbering CONST insns.
1307 2010-03-12 Jakub Jelinek <jakub@redhat.com>
1309 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
1310 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
1311 (cselib_preserve_only_values): Remove retain argument, don't
1312 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
1313 * cselib.h (cselib_preserve_only_values): Remove retain argument.
1314 * var-tracking.c (micro_operation): Move insn field before union.
1315 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
1316 (struct variable_tracking_info_def): Remove n_mos field, change
1317 mos into a vector of micro_operations.
1318 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
1319 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
1320 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
1321 changing into a vector.
1322 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
1323 come before all other uops generated by add_stores.
1324 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
1326 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
1327 a vector. Run just one pass over the bbs instead of separate counting
1328 and computation phase.
1329 (vt_finalize): Free VTI (bb)->mos vector instead of array.
1332 * tree-inline.c (remap_decls): Put old_var rather than origin_var
1333 into *nonlocalized_list vector.
1334 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
1335 even if origin is non-NULL.
1336 (gen_variable_die): Likewise.
1337 (process_scope_var): Don't change origin.
1338 (gen_decl_die): Likewise.
1339 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
1340 before adding new edges instead of after it, fix moving over
1343 2010-03-11 David S. Miller <davem@davemloft.net>
1345 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
1347 * configure: Rebuild.
1349 2010-03-11 Martin Jambor <mjambor@suse.cz>
1351 PR tree-optimization/43257
1352 * tree.c (assign_assembler_name_if_neeeded): New function.
1353 (free_lang_data_in_cgraph): Assembler name assignment moved to the
1355 * tree.h (assign_assembler_name_if_neeeded): Declare.
1356 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
1357 the function if needed.
1359 2010-03-11 Chris Demetriou <cgd@google.com>
1361 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
1362 include/stdint-gcc.h, and include/stdint.h world-readable.
1364 2010-03-11 Richard Guenther <rguenther@suse.de>
1366 PR tree-optimization/43255
1367 * tree-vrp.c (process_assert_insertions_for): Do not insert
1368 asserts for trivial conditions.
1370 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1372 PR tree-optimization/43280
1373 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
1374 generation. Move calculation of size out of the if branch.
1375 (find_bswap): Modify compare number generation.
1377 2010-03-11 Richard Guenther <rguenther@suse.de>
1380 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
1381 (input_gimple_stmt): Fixup handled component types during
1382 operand read. Also fix up decls in ADDR_EXPRs.
1384 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
1386 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
1387 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
1389 2010-03-10 Jan Hubicka <jh@suse.cz>
1392 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
1393 * varasm.c (get_variable_section): Don't do that here...
1394 (make_decl_rtl): ... and here.
1395 (do_assemble_alias): Produce decl RTL.
1396 (assemble_alias): Likewise.
1398 2010-03-10 Jakub Jelinek <jakub@redhat.com>
1401 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
1402 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
1404 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
1405 (based_loc_descr): Only express drap or vdrap regno based expressions
1406 using DW_OP_fbreg when not optimizing.
1407 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
1408 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
1409 REG_CFA_SET_VDRAP note.
1411 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
1413 PR tree-optimization/43236
1414 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
1415 error in calculation of base address in reverse iteration case.
1416 (generate_builtin): Take number of latch executions if the statement
1419 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
1422 * tree-eh.c: Include pointer-set.h.
1423 (lower_eh_dispatch): Filter out duplicate case labels and
1424 remove the unneeded edge when the label is unused. Return
1425 true when some edges are removed.
1426 (execute_lower_eh_dispatch): When any lowering resulted in
1427 removing an edge, also delete unreachable blocks.
1429 2010-03-10 Jakub Jelinek <jakub@redhat.com>
1432 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
1433 UNSPEC_MACHOPIC_OFFSET.
1435 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
1438 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
1439 (m68k_delegitimize_address): New function.
1441 2010-03-09 Jakub Jelinek <jakub@redhat.com>
1444 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
1447 * var-tracking.c (adjust_sets): New function.
1448 (count_with_sets, add_with_sets): Use it.
1449 (get_adjusted_src): New inline function.
1450 (add_stores): Use it.
1453 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
1454 call cselib_dummy_expand_value_rtx_cb instead of
1455 cselib_expand_value_rtx_cb.
1458 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
1459 * config/i386/i386.c: Include debug.h and dwarf2out.h.
1460 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
1461 and .cfi_endproc around the pic thunks.
1462 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
1463 all queued unwind info register saves are saved before the call.
1464 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
1465 considered as sp-=4 for unwind info and the pop as sp+=4 which
1466 also clobbers dest, but doesn't actually restore it.
1469 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
1470 RTX_FRAME_RELATED_P.
1472 2010-03-09 Jie Zhang <jie@codesourcery.com>
1474 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
1475 whitespaces in output template.
1477 2010-03-09 Jie Zhang <jie@codesourcery.com>
1479 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
1482 2010-03-08 Jakub Jelinek <jakub@redhat.com>
1484 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
1485 builtins.exp in a separate job.
1487 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
1489 * graphite-sese-to-poly.c (add_param_constraints): Use
1490 lower_bound_in_type and upper_bound_in_type.
1492 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
1494 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
1495 instead of unsigned_type_node.
1497 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
1498 Reza Yazdani <reza.yazdani@amd.com>
1501 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
1502 on pointer type parameters.
1504 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
1508 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
1509 handle conversions from pointer to integers.
1510 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
1511 induction variable, to be able to work with code generated by CLooG.
1512 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
1513 (build_poly_scop): Bail out if we cannot codegen a loop.
1515 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
1517 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
1518 code generation with gloog_error.
1520 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
1522 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
1523 Call fold_convert on all the returned values.
1524 (expand_scalar_variables_expr): Pass to
1525 expand_scalar_variables_ssa_name the type of the resulting expression.
1527 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
1529 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
1530 ppl_min_for_le_pointset.
1531 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
1532 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
1534 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
1536 * graphite-dependences.c (map_into_dep_poly): Removed.
1537 (dependence_polyhedron_1): Use combine_context_id_scat.
1539 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
1541 * graphite-poly.h (struct poly_scattering): Add layout documentation.
1542 (struct poly_bb): Same.
1543 (combine_context_id_scat): New.
1545 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
1548 * sese.c (name_defined_in_loop_p): Return false for default
1551 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
1553 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
1554 and clean up the logic.
1556 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
1558 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
1561 2010-03-08 Jakub Jelinek <jakub@redhat.com>
1563 * var-tracking.c (remove_cselib_value_chains): Define only for
1565 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
1566 delete_slot_part, emit_notes_for_differences_1): Don't call
1567 remove_cselib_value_chains here.
1568 (set_slot_part, emit_notes_for_differences_2): Don't call
1569 add_cselib_value_chains here.
1570 (preserved_values): New vector.
1571 (preserve_value): New function.
1572 (add_uses, add_stores, vt_add_function_parameters): Use it
1573 instead of cselib_preserve_value.
1574 (changed_values_stack): New vector.
1575 (check_changed_vars_0): New function.
1576 (check_changed_vars_1, check_changed_vars_2): Use it.
1577 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
1578 changed_values_stack VALUEs.
1579 (vt_emit_notes): For all preserved_values call
1580 add_cselib_value_chains. If ENABLE_CHECKING call
1581 remove_cselib_value_chains before verifying value_chains is empty.
1582 Initialize and free changed_values_stack.
1583 (vt_initialize): Initialize preserved_values.
1584 (vt_finalize): Free preserved_values.
1586 2010-03-08 Richard Guenther <rguenther@suse.de>
1588 PR tree-optimization/43269
1589 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
1592 2010-03-08 Martin Jambor <mjambor@suse.cz>
1594 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
1595 (ipa_is_param_called): Removed.
1596 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
1597 (ipa_print_node_params): Do not print the called flag.
1598 (ipa_write_node_info): Do not stream the called flag.
1599 (ipa_read_node_info): Likewise.
1601 2010-03-07 Jakub Jelinek <jakub@redhat.com>
1604 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
1605 * cselib.c (struct expand_value_data): Add dummy field.
1606 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
1608 (cselib_dummy_expand_value_rtx_cb): New function.
1609 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
1611 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
1612 * var-tracking.c: Include pointer-set.h.
1613 (variable): Change n_var_parts to char from int. Add
1614 cur_loc_changed and in_changed_variables fields.
1615 (variable_canonicalize): Remove.
1616 (shared_var_p): New inline function.
1617 (unshare_variable): Maintain cur_loc_changed and
1618 in_changed_variables fields. If var was in changed_variables,
1619 replace it there with new_var. Just copy cur_loc instead of
1620 resetting it to something else.
1621 (variable_union): Don't recompute cur_loc. Use shared_var_p.
1622 (dataflow_set_union): Don't call variable_canonicalize.
1623 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
1624 of their DEBUG_EXPR_TREE_DECLs.
1625 (canonicalize_loc_order_check): Verify that cur_loc is NULL
1626 and in_changed_variables and cur_loc_changed is false.
1627 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
1628 and cur_loc_changed. Don't update cur_loc here.
1629 (variable_merge_over_src): Don't call variable_canonicalize.
1630 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
1631 removing loc that is equal to cur_loc, clear cur_loc,
1632 set cur_loc_changed and ensure variable_was_changed is called.
1633 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
1634 compare pointers in cur_loc check, if it is equal to loc,
1635 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
1636 (variable_different_p): Remove compare_current_location argument,
1637 don't compare cur_loc.
1638 (dataflow_set_different_1): Adjust variable_different_p caller.
1639 (variable_was_changed): If dv had some var in changed_variables
1640 already, reset in_changed_variables flag for it and propagate
1641 cur_loc_changed over to the new variable. On empty var
1642 always set cur_loc_changed. Set in_changed_variables on whatever
1643 var is added to changed_variables.
1644 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
1645 Use shared_var_p. When removing loc that is equal to cur_loc,
1646 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
1647 end, don't set it to something else, just call variable_was_changed.
1648 (delete_slot_part): Use shared_var_p. When cur_loc equals to
1649 loc being removed, clear cur_loc and set cur_loc_changed.
1650 Set cur_loc_changed if all locations have been removed.
1651 (struct expand_loc_callback_data): New type.
1652 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
1653 allocated. Always create SUBREGs if simplify_subreg failed.
1654 Prefer to use cur_loc, when that fails and still in
1655 changed_variables (and seen first time) recompute it. Set
1656 cur_loc_changed of variables which had to change cur_loc and
1657 compute elcd->cur_loc_changed if any of the subexpressions used
1658 had to change cur_loc.
1659 (vt_expand_loc): Adjust to pass arguments in
1660 expand_loc_callback_data structure.
1661 (vt_expand_loc_dummy): New function.
1662 (emitted_notes): New variable.
1663 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
1664 that weren't used for any other decl in current
1665 emit_notes_for_changes call call vt_expand_loc_dummy to update
1666 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
1667 first loc_chain location if NULL before. Always use just
1668 cur_loc instead of first loc_chain location. When cur_loc_changed
1669 is false, when not --enable-checking=rtl just don't emit any note.
1670 When rtl checking, compute the note and assert it is the same
1671 as previous note. Clear cur_loc_changed and in_changed_variables
1672 at the end before removing from changed_variables.
1673 (check_changed_vars_3): New function.
1674 (emit_notes_for_changes): Traverse changed_vars to call
1675 check_changed_vars_3 on each changed var.
1676 (emit_notes_for_differences_1): Clear cur_loc_changed and
1677 in_changed_variables. Recompute cur_loc of new_var.
1678 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
1679 (vt_emit_notes): Initialize and destroy emitted_notes.
1681 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
1683 PR rtl-optimization/42220
1684 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
1685 Use verify_reg_tracked to determine if we should use OP_OUT rather
1687 (build_def_use): If we see an in-out operand for a register that we
1688 know nothing about, treat is an output if possible, fail the block if
1691 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
1694 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
1697 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
1700 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
1701 uses of relevant DEFs that are dead outside the loop too.
1703 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
1705 * var-tracking.c (dataflow_set_merge): Swap src and src2.
1707 2010-01-13 Jakub Jelinek <jakub@redhat.com>
1709 * var-tracking.c (values_to_unmark): New variable.
1710 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
1711 values_to_unmark vector. Moved body to...
1712 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
1713 instead queue it into values_to_unmark vector.
1714 (vt_find_locations): Free values_to_unmark vector.
1716 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
1718 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
1719 (site.exp): Export them when plugins are enabled.
1721 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
1724 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
1726 (chrec_fold_multiply): Same.
1728 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
1731 * c-decl.c (build_compound_literal): Return early if init is
1734 2010-03-04 Martin Jambor <mjambor@suse.cz>
1736 PR tree-optimization/43164
1737 PR tree-optimization/43191
1738 * tree-sra.c (type_consists_of_records_p): Reject records with
1739 zero-size bit-fields at the end.
1741 2010-03-04 Mike Stump <mikestump@comcast.net>
1743 * Makefile.in (TAGS): Remove *.y.
1745 2010-03-04 Richard Guenther <rguenther@suse.de>
1747 PR tree-optimization/40761
1748 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
1750 (my_rev_post_order_compute): New function.
1751 (init_pre): Call it.
1753 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
1756 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
1757 decrease the cost of an IV candidate when the cost is infinite.
1759 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1761 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
1762 Use '3DNow!' for the extension of that name, ensure normal space
1764 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
1766 2010-03-03 Jeff Law <law@redhat.com>
1768 * PR middle-end/32693
1769 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
1770 than gen_rtx_SUBREG.
1771 (extract_bit_field_1): Likewise.
1773 2010-03-03 Janis Johnson <janis187@us.ibm.com>
1775 * doc/sourcebuild.texi (Test directives): Document that arguments
1776 include-opts and exclude-opts are now optional for dg-skip-if,
1777 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
1779 2010-03-03 Jason Merrill <jason@redhat.com>
1782 * cgraph.h (varpool_node): Add extra_name field.
1783 * varpool.c (varpool_extra_name_alias): New.
1784 (varpool_assemble_decl): Emit extra name aliases.
1785 (varpool_mark_needed_node): Look past an extra name alias.
1786 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
1787 * lto-streamer-in.c (lto_input_tree): Read it.
1788 * lto-streamer-out.c (output_unreferenced_globals): Write it.
1790 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
1792 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
1793 (sparc*-*-solaris2*): ...this.
1795 2010-03-03 Jakub Jelinek <jakub@redhat.com>
1798 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
1799 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
1800 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
1801 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
1804 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
1805 fallthrough to default handling, just with want_address 0 instead of 2.
1806 For single element lists, add_AT_loc directly, otherwise create an
1807 artificial variable DIE and stick location list to it.
1810 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
1811 (VAL_EXPR_HAS_REVERSE): Define.
1812 (reverse_op): New function.
1813 (add_stores): For reversible operations add an extra MO_VAL_USE.
1815 2010-03-02 Jason Merrill <jason@redhat.com>
1817 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
1819 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
1821 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
1822 (sparc64-*-linux*): Likewise.
1823 (sparc64-*-solaris2*): Include assembler files before linker ones.
1824 (sparc-*-solaris2*): Simplify and reorder to match previous case.
1825 * config/sparc/gas.h: Delete.
1826 * config/sparc/sol2-64.h: Add copyright notice.
1827 * config/sparc/sol2-gas-bi.h: Likewise.
1828 * config/sparc/sol2-gld.h: Likewise.
1829 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
1830 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
1831 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
1832 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
1833 (sparc_elf_asm_named_section): Rename into...
1834 (sparc_solaris_elf_asm_named_section): ...this. Always define.
1836 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
1838 * config/alpha/alpha.c (override_options): Fix -mtune error message.
1840 2010-03-02 Jeff Law <law@redhat.com>
1843 * reload1.c (rtx_p, substitute_stack): Declare.
1844 (substitute): Record addresses of changed rtxs.
1845 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
1846 Restore the original rtx when complete.
1847 (reload): Free subsitute_stack when complete.
1849 2010-03-02 Janis Johnson <janis187@us.ibm.com>
1851 * doc/gccint.texi (menu): Add Testsuites as a chapter.
1852 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
1854 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
1855 LTO Testing, gcov Testing, profopt Testing, compat Testing,
1856 Torture Tests): Change from subsection to section.
1858 2010-03-02 Jakub Jelinek <jakub@redhat.com>
1859 Steven Bosscher <steven@gcc.gnu.org>
1861 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
1864 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
1867 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
1868 the assignment from the new induction variable to the assignment
1869 of the value from the original loop PHI function.
1871 2010-03-01 Janis Johnson <janis187@us.ibm.com>
1872 Daniel Jacobowitz <dan@codesourcery.com>
1874 * doc/sourcebuild.texi (Test directives): Clarify options to
1877 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1879 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
1880 Disable cfi directives unless GCC and gas agree on using read-only
1881 .eh_frame sections for 64-bit.
1882 * configure: Regenerate.
1884 2010-03-01 Richard Guenther <rguenther@suse.de>
1886 PR tree-optimization/43220
1887 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
1888 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
1890 2010-03-01 Richard Guenther <rguenther@suse.de>
1891 Martin Jambor <mjambor@suse.cz>
1894 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
1895 gimplified parameters.
1897 2010-03-01 Christian Bruel <christian.bruel@st.com>
1899 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
1901 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
1903 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
1905 2010-03-01 Richard Guenther <rguenther@suse.de>
1908 * expr.c (expand_assignment): Use the alias-oracle to tell
1909 if the rhs aliases the result decl.
1911 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1914 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
1915 to sol_gt_pch_get_address.
1916 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
1917 64-bit, SPARC and x86.
1918 (sol_gt_pch_get_address): New function.
1920 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
1922 * toplev.h (inform_n, error_n): Declare.
1923 * diagnostic.c (inform_n, error_n): New function.
1925 2010-03-01 Jakub Jelinek <jakub@redhat.com>
1927 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
1928 has no rtl yet when processing local_decls, queue it and recheck
1929 if deferred stack allocation hasn't assigned it rtl.
1931 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
1933 * config/sh/sh.c (unspec_bbr_uid): New.
1934 (gen_block_redirect): Use it instead of INSN_UID.
1935 (gen_far_branch): Likewise.
1937 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
1939 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
1940 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
1942 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1944 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
1945 (Warning Options): -Wno-conversion-null is valid for
1946 Objective-C++ as well.
1947 * doc/tm.texi (Named Address Spaces): Likewise.
1948 * doc/plugins.texi (Plugins): Replace TABs with spaces.
1949 * doc/tree-ssa.texi (Tree SSA): Likewise.
1951 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
1954 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
1955 by default. Don't set the default arch for
1956 i[34567]86-*-darwin*|x86_64-*-darwin*.
1958 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
1961 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
1962 default. Set the default 32bit/64bit archs with $with_arch
1963 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
1965 2010-02-27 Richard Guenther <rguenther@suse.de>
1967 PR tree-optimization/43186
1968 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
1969 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
1970 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
1971 unroller iterations.
1973 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
1975 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
1976 required and i[34567]86-*-* targets don't support 64bit ISA.
1978 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
1981 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
1984 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
1986 * config.gcc: Set the default arch at least to Prescott for
1987 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
1988 if SSE math is enabled.
1990 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
1992 * diagnostic.c (diagnostic_initialize): Update.
1993 (diagnostic_report_diagnostic): Test inhibit_notes_p for
1995 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
1996 (diagnostic_inhibit_notes): New.
1997 * toplev.c (process_options): inhibit notes with -fcompare-debug.
1999 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
2002 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
2003 * doc/standards.texi: Likewise.
2004 * doc/extend.texi: Likewise.
2005 * doc/trouble.texi: Likewise.
2006 * doc/cppopts.texi: Likewise.
2007 * doc/install.texi: Likewise.
2008 * c.opt (std=c90,std=gnu90): New options.
2009 * c-opts.c (c_common_handle_option): Handle them.
2011 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
2014 * c-decl.c (undeclared_variable): Use an informative note.
2016 2010-02-26 Richard Guenther <rguenther@suse.de>
2018 PR tree-optimization/43186
2019 * gimple.h (gimple_fold): Remove.
2020 * gimple.c (gimple_fold): Remove. Inline into single user ...
2021 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
2022 Try harder for conditions.
2024 2010-02-26 Jakub Jelinek <jakub@redhat.com>
2027 * function.c (used_types_insert): Don't skip through named pointer
2028 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
2029 and it is different from the main variant's type.
2031 2010-02-26 Nick Clifton <nickc@redhat.com>
2033 * config/rx/rx.md (sminsi3): Remove bogus alternative.
2035 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
2037 * config.gcc: Support --with-fpmath=sse for x86.
2039 * config/i386/ssemath.h: New.
2041 * doc/install.texi (--with-fpmath=sse): Documented.
2043 2010-02-26 Richard Guenther <rguenther@suse.de>
2045 PR tree-optimization/43188
2046 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
2047 vector types of over-aligned element type.
2049 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
2052 * config/i386/i386.c (expand_vec_perm_blend): Use correct
2053 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
2055 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
2057 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
2059 2010-02-26 Jakub Jelinek <jakub@redhat.com>
2061 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
2062 * var-tracking.c: Include diagnostic.h.
2063 (debug_dv): New function.
2064 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
2067 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
2068 (add_value_chain, add_value_chains, remove_value_chain,
2069 remove_value_chains): Handle DEBUG_EXPRs.
2070 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
2073 * regcprop.c (struct queued_debug_insn_change): New type.
2074 (struct value_data_entry): Add debug_insn_changes field.
2075 (struct value_data): Add n_debug_insn_changes field.
2076 (debug_insn_changes_pool): New variable.
2077 (free_debug_insn_changes, apply_debug_insn_changes,
2078 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
2079 (kill_value_one_regno): Call free_debug_insn_changes if needed.
2080 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
2082 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
2084 (copyprop_hardreg_forward_1): Don't call apply_change_group for
2085 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
2086 changes, call cprop_find_used_regs via note_stores.
2087 (copyprop_hardreg_forward): When copying vd from predecessor
2088 which has any queued DEBUG_INSN changes, make sure the pointers are
2089 cleared. At the end call df_analyze and then if there are any
2090 DEBUG_INSN changes queued at the end of some basic block for still
2091 live registers, apply them.
2092 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
2094 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
2096 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
2099 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
2101 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
2102 targets. Set the default with_cpu/with_arch from arch/cpu.
2103 Allow x86-64 and native for with_cpu/with_arch.
2105 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
2107 * ebitmap.c: Change calls to verify_popcount with calls to
2108 sbitmap_verify_popcount.
2109 (ebitmap_clear_bit): Fixed map->cacheindex test and
2110 map>cache update when bit clearing results in an empty
2113 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
2116 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
2117 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
2118 and support both V2DF and V2DI modes.
2119 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
2120 support both V2DF and V2DI modes.
2121 (general): Delete trailing whitespace from a few patterns.
2123 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
2124 V2DF/V2DI interleave high/low builtins.
2126 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
2129 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
2130 interleave high/low functions.
2132 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
2134 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
2135 #pragma extern_prefix.
2137 2010-02-25 Jakub Jelinek <jakub@redhat.com>
2140 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
2141 BLKmode, assert op0 is a MEM and just adjust its mode.
2144 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
2145 if bitpos isn't multiple of mode's bitsize.
2147 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
2149 * c.opt (-ftemplate-depth=): New.
2150 (-ftemplate-depth-): Deprecate.
2151 * optc-gen.awk: Handle -ftemplate-depth=.
2152 * opth-gen.awk: Likewise.
2153 * c-opts.c (c_common_handle_option): Likewise.
2154 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
2156 2010-02-24 Jason Merrill <jason@redhat.com>
2158 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
2160 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2162 * cfg.c (alloc_aux_for_block): Remove inline.
2163 (alloc_aux_for_edge): Likewise.
2165 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2167 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
2169 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2171 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
2172 * config/i386/sol2-gas.h: New file.
2173 * config.gcc (i[34567]86-*-solaris2*): Use it.
2175 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
2178 * c-typeck.c (ep_convert_and_check): New.
2179 (build_conditional_expr): Use it.
2180 (build_binary_op): Likewise.
2182 2010-02-24 Jakub Jelinek <jakub@redhat.com>
2184 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
2187 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
2188 bounds even for -O+.
2189 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
2190 expr needs to have DECL_NAME set.
2192 2010-02-24 Nick Clifton <nickc@redhat.com>
2194 * config/mep/mep.c: Include gimple.h.
2195 (mep_function_uses_sp): Delete unused function.
2196 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
2197 parameters. Use unsigned integers to count args. Return a
2198 NULL_RTX instead of an error_mark_node. Toidy up formatting.
2200 2010-02-23 Jakub Jelinek <jakub@redhat.com>
2203 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
2204 greater or equal to nelt instead of 2 * nelt.
2205 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
2208 2010-02-23 Jason Merrill <jason@redhat.com>
2211 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
2212 in cfun->local_decls even if they have register types.
2215 * stor-layout.c (place_field): Don't warn about unnecessary
2216 DECL_PACKED if the type is packed.
2218 2010-02-23 Jakub Jelinek <jakub@redhat.com>
2221 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
2222 GOTOFF relocs, even when the base reg isn't pic pointer.
2224 2010-02-23 Michael Matz <matz@suse.de>
2227 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
2228 (expand_gimple_basic_block): Generate and use debug temps if there
2229 are debug uses left after the last real use of TERed ssa names.
2230 Unlink debug immediate uses when they are expanded.
2232 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
2235 * config/i386/i386.c (override_options): Reorganise to provide
2236 better error messages.
2238 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
2241 * graphite-scop-detection.c (create_single_exit_edge): Move
2242 the call to find_single_exit_edge to....
2243 (create_sese_edges): ...here. Don't handle multiple edges
2244 exiting the function.
2245 (build_graphite_scops): Don't handle multiple edges
2246 exiting the function.
2248 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
2251 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
2252 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
2254 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
2257 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
2259 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
2262 * c-typeck.c (convert_arguments): Print declaration location.
2263 * c-common.c (validate_nargs): Rename as
2264 builtin_function_validate_nargs.
2265 (check_builtin_function_arguments): Update.
2267 2010-02-22 Richard Guenther <rguenther@suse.de>
2270 * tree-inline.c (declare_return_variable): Use the type of
2271 the call stmt lhs if available.
2273 2010-02-22 Duncan Sands <baldrick@free.fr>
2275 * passes.c (register_pass): Always consider all pass lists when
2276 ref_pass_instance_number is zero.
2278 2010-02-22 Richard Guenther <rguenther@suse.de>
2280 PR tree-optimization/42749
2281 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
2282 parameter. Do arithmetic in the original type.
2283 (update_accumulator_with_ops): Likewise.
2284 (adjust_accumulator_values): Adjust.
2286 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2288 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
2289 (QI to BLKmode splitter): New splitter.
2291 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
2293 * config/i386/i386.c (initial_ix86_tune_features): Turn on
2294 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
2296 2010-02-22 Richard Guenther <rguenther@suse.de>
2298 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
2300 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
2302 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
2303 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
2304 ($(T)crti.o, $(T)crtn.o): Remove rules.
2306 2010-02-21 Tobias Burnus <burnus@net-b.de>
2309 * doc/invoke.texi (-fassociative-math): Document that this
2310 option is automatically enabled for Fortran.
2312 2010-02-20 David S. Miller <davem@davemloft.net>
2314 * configure.ac: Test if linker and assembler properly support
2315 GOTDATA_OP relocations.
2316 * configure: Rebuild.
2317 * config.in: Likewise.
2318 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
2319 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
2320 (movsi_high_pic): Likewise.
2321 (movdi_lo_sum_pic): Likewise.
2322 (movdi_high_pic): Likewise.
2323 (movsi_pic_gotdata_op): New pattern.
2324 (movdi_pic_gotdata_op): Likewise.
2325 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
2326 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
2328 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
2331 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
2332 attribute to ssemul.
2333 (xop_mulv2div2di3_high): Ditto.
2335 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
2338 * c.opt (Wconversion-null): New option.
2339 * doc/invoke.texi (Wconversion-null): Document.
2341 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
2343 * common.opt (Wlarger-than-): Add Undocumented.
2345 2010-02-19 Mike Stump <mikestump@comcast.net>
2347 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
2349 2010-02-19 Jason Merrill <jason@redhat.com>
2352 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
2353 * configure: Likewise.
2355 2010-02-20 Alan Modra <amodra@gmail.com>
2358 * cgraph.h (cgraph_make_decl_local): Declare.
2359 * cgraph.c (cgraph_make_decl_local): New function.
2360 (cgraph_make_node_local): Use it.
2361 * cgraphunit.c (cgraph_function_versioning): Likewise.
2362 * ipa.c (function_and_variable_visibility): Likewise.
2364 2010-02-19 Jakub Jelinek <jakub@redhat.com>
2367 * except.c (sjlj_emit_function_enter): Don't call
2368 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
2370 * rtl.h (add_reg_br_prob_note): Remove prototype.
2372 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
2375 * c-common.c (conversion_warning): Remove widening conversions
2376 before checking the conversion of integers to reals.
2378 2010-02-19 Mike Stump <mikestump@comcast.net>
2381 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
2384 * cgraphunit.c (process_function_and_variable_attributes): Check
2385 DECL_PRESERVE_P instead of looking up attribute "used".
2386 * ipa-pure-const.c (check_decl): Likewise.
2387 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
2388 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
2389 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
2390 instead of attribute "used".
2391 * config/sol2-c.c (solaris_pragma_init): Likewise.
2392 (solaris_pragma_fini): Likewise.
2394 2010-02-19 Jakub Jelinek <jakub@redhat.com>
2396 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
2397 Use XCNEW instead of xcalloc.
2398 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
2399 XNEW instead of xmalloc.
2400 (get_fields): Use XNEWVEC instead of xmalloc.
2403 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
2404 populate vars array.
2405 (create_new_general_access): For debug stmts just reset value.
2406 (get_stmt_accesses): For accesses within debug stmts just record them
2407 using add_access_to_acc_sites instead of preventing the peeling or
2408 counting them as accesses.
2411 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
2413 2010-02-19 Richard Guenther <rguenther@suse.de>
2415 PR tree-optimization/42916
2416 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
2419 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
2421 * configure.ac: Replace all uses of changequote in macro arguments
2422 with proper quoting.
2424 2010-02-19 Jakub Jelinek <jakub@redhat.com>
2427 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
2429 2010-02-19 Richard Guenther <rguenther@suse.de>
2431 PR tree-optimization/42944
2432 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
2433 test for aliasing with errno.
2435 2010-02-19 Jakub Jelinek <jakub@redhat.com>
2438 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
2439 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
2440 * dojump.c: Include output.h.
2441 (inv): New inline function.
2442 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
2443 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
2444 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
2445 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
2446 argument, pass it down to other calls.
2447 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
2448 add REG_BR_PROB note to the conditional jump.
2449 * cfgexpand.c (add_reg_br_prob_note): Removed.
2450 (expand_gimple_cond): Don't call it, add the probability
2451 as last argument to jumpif_1/jumpifnot_1.
2452 * Makefile.in (dojump.o): Depend on output.h.
2453 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
2455 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
2456 * stmt.c (do_jump_if_equal): Likewise.
2457 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
2458 * loop-unswitch.c (compare_and_jump_seq): Likewise.
2459 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
2461 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
2462 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
2463 jumpifnot_1 callers.
2464 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
2466 (store_expr): Adjust jumpifnot caller.
2467 (store_constructor): Adjust jumpif caller.
2470 * gimplify.c (gimple_boolify): For __builtin_expect call
2471 gimple_boolify also on its first argument.
2473 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
2475 * configure.ac (gnu-unique-object): Wrap regexps using [] in
2477 (__stack_chk_fail): Ditto. Remove quadrigraphs.
2478 * configure: Regenerated.
2480 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2482 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
2483 lang_hooks.types_compatible_p instead of comptypes.
2485 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
2487 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
2488 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
2489 if __prefer_thumb__ is defined.
2491 2010-02-18 Martin Jambor <mjambor@suse.cz>
2493 PR tree-optimization/43066
2494 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
2495 array with zero-sized element type.
2497 2010-02-18 Jakub Jelinek <jakub@redhat.com>
2499 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
2500 rtx, allocate struct var_loc_node here and return it to the
2501 caller, and only if it is actually needed.
2502 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
2503 move it earlier and return immediately if it returns NULL.
2505 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
2507 * config/sparc/gas.h: New file. Restore
2508 TARGET_ASM_NAMED_SECTION to its ELF default.
2509 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
2511 * config/sparc/sparc.c (sparc_elf_asm_named_section):
2512 Likewise. Add ATTRIBUTE_UNUSED to prototype.
2513 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
2514 after sparc/sysv4.h.
2516 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
2518 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
2520 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
2522 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
2523 patterns from predicated pattern.
2525 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
2528 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
2529 for insn mnemonic suffix.
2531 2010-02-17 Richard Guenther <rguenther@suse.de>
2533 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
2536 2010-02-17 Jakub Jelinek <jakub@redhat.com>
2539 * caller-save.c (save_call_clobbered_regs): If BB ends with
2540 a DEBUG_INSN, move any notes in between last real insn and the last
2541 DEBUG_INSN after the last DEBUG_INSN.
2543 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
2545 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
2546 Fix return type. Fix argument type. Explain meaning of return value.
2548 2010-02-16 Richard Guenther <rguenther@suse.de>
2550 PR tree-optimization/41043
2551 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
2552 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
2554 (vrp_visit_phi_node): ... but only for loop PHI nodes.
2556 2010-02-16 Ira Rosen <irar@il.ibm.com>
2558 PR tree-optimization/43074
2559 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
2560 * tree-vect-loop.c (vect_analyze_loop_operations): Add
2561 vectorizable cycles in hybrid SLP check.
2562 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
2564 2010-02-16 Richard Guenther <rguenther@suse.de>
2566 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
2567 (true_dependence): If memrefs_conflict_p computes must-alias
2568 trust it. Move TBAA check after offset-based disambiguation.
2569 (canon_true_dependence): Likewise.
2571 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
2573 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
2574 * doc/invoke.texi: Document it.
2575 * var-tracking.c: Include toplev.h and params.h.
2576 (vt_find_locations): Return bool indicating success. Compute
2577 hash sizes unconditionally. Check new parameter, report.
2578 (variable_tracking_main_1): Check vt_find_locations results and
2579 retry. Renamed from...
2580 (variable_tracking_main): ... this. New wrapper to preserve
2581 flag_var_tracking_assignments.
2582 * Makefile.in (var-tracking.o): Adjust dependencies.
2584 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
2585 Jakub Jelinek <jakub@redhat.com>
2588 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
2589 if weak_import attribute is present.
2590 * config/darwin.c (machopic_select_section): Likewise.
2592 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
2594 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
2595 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
2596 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
2597 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
2599 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument types.
2601 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2604 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
2605 Rewrite text to refer to the names.
2607 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
2609 * config/i386/i386-builtin-types.def
2610 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
2611 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
2612 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
2613 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
2614 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
2615 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
2616 IX86_BUILTIN_VPERMIL2PS256.
2617 (MULTI_ARG_4_DF2_DI_I): Defined.
2618 (MULTI_ARG_4_DF2_DI_I1): Defined.
2619 (MULTI_ARG_4_SF2_SI_I): Defined.
2620 (MULTI_ARG_4_SF2_SI_I1): Defined.
2621 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
2622 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
2623 __builtin_ia32_vpermil2ps256.
2624 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
2625 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
2626 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
2627 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
2628 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
2629 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
2630 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
2631 CODE_FOR_xop_vpermil2v8sf3.
2632 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
2633 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
2634 * config/i386/xopintrin.h (_mm_permute2_pd): New.
2635 (_mm256_permute2_pd): New.
2636 (_mm_permute2_ps): New.
2637 (_mm256_permute2_ps): New.
2639 2010-02-15 Nick Clifton <nickc@redhat.com>
2641 * config/h8300/h8300.c: (h8300_push_pop): Use bool type for
2642 boolean parameters. Use emit_jump_insn when emitting a pop
2643 instruction containing a return insn.
2644 (push): Use 'true' rather than '1' as second parameter to F.
2645 (h8300_expand_prologue): Likewise.
2646 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
2647 (h8300_expand_epilogue): Likewise.
2649 2010-02-15 Richard Guenther <rguenther@suse.de>
2652 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
2655 2010-02-15 Nick Clifton <nickc@redhat.com>
2657 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
2660 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
2662 * intl.c (fake_ngettext): New function.
2663 * intl.h (fake_ngettext): Declare.
2664 (ngettext): Define macro.
2665 * collect2.c (notice_translated): New function.
2666 (main): Use notice_translated and ngettext.
2667 * collect2.h (notice_translated): Declare.
2669 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
2671 * reorg.c (delete_computation): Comment fixes.
2672 * caller-save.c (setup_save_areas): Idem.
2673 * sel-sched-dump.c (dump_lv_set): Idem.
2676 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2678 * config/s390/s390.c (s390_sched_init): New function.
2679 (TARGET_SCHED_INIT): Target hook defined.
2681 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
2682 Jack Howarth <howarth@bromo.med.uc.edu>
2683 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
2686 Partial revert of unintended change in fix for PR41605.
2687 * config/darwin.h: Fix typo.
2688 * config/darwin9.h: Same.
2690 2010-02-11 Jakub Jelinek <jakub@redhat.com>
2692 * c-pch.c (pch_init): Clear v.
2694 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
2697 * graphite-scop-detection.c (graphite_can_represent_scev): Call
2698 graphite_can_represent_init for MULT_EXPR.
2700 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
2704 * graphite-sese-to-poly.c (remove_phi): New.
2705 (translate_scalar_reduction_to_array): Call remove_phi.
2707 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
2710 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
2711 * graphite-clast-to-gimple.h (gloog): Update declaration.
2712 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
2713 * graphite-poly.h (struct poly_bb): Add missing comments.
2714 (struct scop): Add poly_scop_p field.
2716 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
2717 * graphite.c (graphite_transform_loops): Build the polyhedral
2718 representation for each scop before code generation.
2719 * sese.c (rename_variables_in_operand): Removed.
2720 (rename_variables_in_expr): Return the renamed expression.
2721 (rename_sese_parameters): New.
2722 * sese.h (rename_sese_parameters): Declared.
2724 2010-02-11 Richard Guenther <rguenther@suse.de>
2726 PR tree-optimization/42998
2727 * tree-ssa-pre.c (create_expression_by_pieces): Treat
2728 POINTER_PLUS_EXPR properly.
2730 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
2731 Changpeng Fang <changpeng.fang@amd.com>
2734 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
2735 the cost of an IV candidate when the IV is used in a test against zero.
2737 * gcc.dg/tree-ssa/ivopts-3.c: New.
2739 2010-02-11 Richard Guenther <rguenther@suse.de>
2742 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
2743 pointer-vs-decl case by swapping refs. Handle some cases
2744 of pointer-vs-decl disambiguations more conservatively.
2745 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
2746 to false after expanding.
2748 2010-02-11 Richard Guenther <rguenther@suse.de>
2751 * gcc.c (process_command): Handle LTO file@offset case more
2754 2010-02-11 Jakub Jelinek <jakub@redhat.com>
2756 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
2757 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
2759 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
2761 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
2762 if MEM's mode size isn't DWARF2_ADDR_SIZE.
2763 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
2764 Optimize eq/ne comparisons when both arguments are known to be
2766 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
2767 Don't mask operands unnecessarily if they are known to be already
2770 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
2772 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
2775 2010-02-10 Richard Guenther <rguenther@suse.de>
2777 PR tree-optimization/43017
2778 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
2779 for wrapping signed arithmetic.
2781 2010-02-10 Jakub Jelinek <jakub@redhat.com>
2784 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
2785 if no debug info should be emitted for it.
2787 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
2789 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
2790 note when flag_exceptions is set.
2792 2010-02-10 Duncan Sands <baldrick@free.fr>
2794 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
2796 2010-02-10 Richard Guenther <rguenther@suse.de>
2799 * tree.c (get_unwidened): Handle constants.
2800 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
2802 2010-02-10 Martin Jambor <mjambor@suse.cz>
2805 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
2806 check for variable argument counts independently.
2808 2010-02-10 Christian Bruel <christian.bruel@st.com>
2811 * config/sh/sh.c (find_barrier): Increase length for non delayed
2812 conditional branches.
2814 2010-02-10 Christian Bruel <christian.bruel@st.com>
2816 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
2818 2010-02-10 Jakub Jelinek <jakub@redhat.com>
2820 * builtins.c (set_builtin_user_assembler_name): Also handle
2821 ffs if int is smaller than word.
2823 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
2826 * ira-conflicts.c (get_dup): Remove.
2827 (process_reg_shuffles): Add new parameter. Use it as an
2828 additional guard for copy generation.
2829 (add_insn_allocno_copies): Rewrite.
2831 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
2833 * common.opt (fsched2-use-traces): Preserved for backward
2835 * doc/invoke.texi: Remove the documentation about option
2836 -fsched2-use-traces.
2837 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
2838 flag_sched2_use_traces.
2839 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
2840 the backward compatibility flag section.
2842 2010-02-09 Richard Guenther <rguenther@suse.de>
2844 PR tree-optimization/43008
2845 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
2846 make HEAP variables initialized from global memory if they
2847 are not known builtin functions.
2848 (find_func_aliases): Adjust.
2850 2010-02-09 Richard Guenther <rguenther@suse.de>
2852 PR tree-optimization/43000
2853 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
2854 arithmetic manually.
2856 2010-02-08 Jakub Jelinek <jakub@redhat.com>
2858 PR tree-optimization/42931
2859 * tree-loop-linear.c (try_interchange_loops): Don't call
2860 double_int_mul if estimated_loop_iterations failed.
2862 2010-02-08 Martin Jambor <mjambor@suse.cz>
2865 * tree-sra.c (build_accesses_from_assign): Do not mark in
2866 should_scalarize_away_bitmap if stmt has volatile ops.
2867 (sra_modify_assign): Do not process assigns piecemeal if if stmt
2870 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
2872 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
2874 2010-02-07 Adam Nemet <adambnmet@gmail.com>
2876 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
2879 2010-02-07 Andrew Pinski <pinskia@gmail.com>
2882 * df-core.c (df_finish_pass): Change type of saved_flags to int.
2884 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
2887 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
2888 to unknown_dependence.
2889 (graphite_legal_transform_dr): Handle the unknown_dependence.
2890 (graphite_carried_dependence_level_k): Same.
2892 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
2894 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
2896 2010-02-07 Richard Guenther <rguenther@suse.de>
2899 * expr.c (get_inner_reference): Always initialize *pbitsize.
2901 2010-02-07 Richard Guenther <rguenther@suse.de>
2904 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
2905 new ARRAY_REFs on variable size element or minimal index arrays.
2907 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
2908 gimple_fold_indirect_ref.
2910 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
2913 * arm.c (arm_override_options): Just return if the user has specified
2914 an invalid fpu name.
2916 2010-02-03 Jason Merrill <jason@redhat.com>
2919 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
2920 i386_pe_maybe_record_exported_symbol.
2922 2010-02-05 Steve Ellcey <sje@cup.hp.com>
2925 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
2926 (pa_delegitimize_address): New function.
2928 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
2930 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
2931 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
2933 2010-02-05 Richard Guenther <rguenther@suse.de>
2936 * lto-streamer-in.c (get_resolution): Deal with references
2937 to undefined functions.
2939 2010-02-05 Richard Guenther <rguenther@suse.de>
2941 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
2942 (fold_const_aggregate_ref): Likewise.
2943 (ccp_fold_stmt): Substitute loads.
2944 (maybe_fold_reference): Verify types before substituting.
2946 (fold_gimple_assign): Unshare properly.
2947 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
2949 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
2951 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
2952 for rs6000_gen_cell_microcode.
2954 2010-02-04 Richard Guenther <rguenther@suse.de>
2956 PR rtl-optimization/42952
2957 * dse.c (const_or_frame_p): Remove MEM handling.
2959 2010-02-04 Nick Clifton <nickc@redhat.com>
2961 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
2962 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
2963 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
2964 (mn10300_asm_output_mi_thunk): New function.
2965 (mn10300_can_output_mu_thunk): New function.
2966 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
2967 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
2968 (FUNCTION_ARG): Delete incorrect comment.
2970 2010-02-03 Jason Merrill <jason@redhat.com>
2973 * fold-const.c (operand_equal_p): Handle erroneous types.
2975 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
2977 * config/h8300/h8300.md (can_delay): Fix attibute condition.
2979 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
2981 PR rtl-optimization/42941
2982 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
2985 2010-02-03 Jason Merrill <jason@redhat.com>
2988 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
2990 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
2993 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
2994 (cselib_reset_table): Renamed from...
2995 (cselib_reset_table_with_next_value): ... this.
2996 (cselib_get_next_uid): Renamed from...
2997 (cselib_get_next_unknown_value): ... this.
2998 * cselib.c (next_uid): Renamed from...
2999 (next_unknown_value): ... this.
3000 (cselib_clear_table): Adjust.
3001 (cselib_reset_table): Adjust. Renamed from...
3002 (cselib_reset_table_with_next_value): ... this.
3003 (cselib_get_next_uid): Adjust. Renamed from...
3004 (cselib_get_next_unknown_value): ... this.
3005 (get_value_hash): Use hash.
3006 (cselib_hash_rtx): Likewise.
3007 (new_cselib_val): Adjust. Set and dump uid.
3008 (cselib_lookup_mem): Pass next_uid as hash.
3009 (cselib_subst_to_values): Likewise.
3010 (cselib_log_lookup): Dump uid.
3011 (cselib_lookup): Pass next_uid as hash. Adjust.
3012 (cselib_process_insn): Adjust.
3013 (cselib_init): Initialize next_uid.
3014 (cselib_finish): Adjust.
3015 (dump_cselib_table): Likewise.
3016 * dse.c (canon_address): Dump value uid.
3017 * print-rtl.c (print_rtx): Print value uid.
3018 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
3020 (dv_uid): New function, sort of renamed from...
3021 (dv_htab_hash): ... this, reimplemented in terms of it and...
3022 (dv_uid2hash): ... this. New.
3023 (variable_htab_eq): Drop excess assertions.
3024 (tie_break_pointers): Removed.
3025 (canon_value_cmp): Compare uids.
3026 (variable_post_merge_New_vals): Print uids.
3027 (vt_add_function_parameters): Adjust.
3028 (vt_initialize): Reset table. Adjust.
3030 2010-02-03 Richard Guenther <rguenther@suse.de>
3032 PR tree-optimization/42944
3033 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
3034 (call_may_clobber_ref_p_1): Likewise. Properly handle
3035 malloc and calloc clobbering errno.
3037 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
3039 * doc/invoke.texi: Fix name of sched1 dump.
3041 * opts.c (decode_options): Set flag_tree_switch_conversion
3042 only conditionally on optimize >= 2.
3044 * gcse.c: Assorted comment fixes in pass description.
3046 2010-02-03 Anthony Green <green@moxielogic.com>
3048 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
3049 nop padding in order to maintain alignment of storage location of
3050 target function address.
3051 (moxie_trampoline_init): Store target function address at newly
3053 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
3055 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
3057 2010-02-03 Richard Guenther <rguenther@suse.de>
3060 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
3062 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3064 * config.gcc: Reenable check for obsolete targets.
3065 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
3066 mips-sgi-irix6.[0-4]*.
3068 2010-02-02 Nick Clifton <nickc@redhat.com>
3070 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
3071 constant size of 4 as being the same as 0.
3072 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
3073 can take values in the range 0..4.
3075 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
3078 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
3079 as _darwin10_Unwind_FindEnclosingFunction().
3080 * libgcc-libsystem.ver: New.
3082 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
3085 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
3086 implicitly set registers.
3088 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
3090 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
3091 (arm_override_options): Allow automatic selection of the thread
3092 pointer register if thumb2.
3093 (legitimize_pic_address): Improve code sequences for Thumb2.
3094 (arm_call_tls_get_addr): Likewise.
3095 (legitimize_tls_address): Likewise.
3096 * arm.md (pic_load_addr_arm): Delete. Replace with ...
3097 (pic_load_addr_32bit): ... this. New named pattern.
3098 * thumb2.md (pic_load_addr_thumb2): Delete.
3099 (pic_load_dot_plus_four): Delete.
3100 (tls_load_dot_plus_four): New named pattern.
3102 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3105 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
3106 Document fix for TLS bug.
3108 2010-01-31 Richard Guenther <rguenther@suse.de>
3110 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
3111 conservatively correct.
3113 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3117 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3119 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
3121 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3123 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
3125 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
3127 * config.gcc: Adjust order of makefile fragments for mingw targets.
3129 2010-01-31 Richard Guenther <rguenther@suse.de>
3132 * gimplify.c (gimplify_init_constructor): For volatile LHS
3133 initialize a temporary.
3135 2010-01-31 Matthias Klose <doko@ubuntu.com>
3137 * configure.ac: Fix __stack_chk_fail check for cross builds configured
3139 * configure: Regenerate.
3141 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
3143 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
3144 the same alias set and their sizes different constantness.
3145 (aliasing_component_refs_p): Revert 2009-10-24 change.
3147 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3149 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
3152 2010-01-29 Richard Guenther <rguenther@suse.de>
3154 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
3155 Assert we successfully updated the call.
3157 2010-01-29 Jakub Jelinek <jakub@redhat.com>
3159 PR rtl-optimization/42889
3160 * df.h (df_set_bb_dirty_nonlr): New prototype.
3161 * df-core.c (df_set_bb_dirty_nonlr): New function.
3162 * df-scan.c (df_insn_rescan): Call it instead of
3163 df_set_bb_dirty for DEBUG_INSNs.
3165 2010-01-29 Richard Guenther <rguenther@suse.de>
3168 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
3169 quadratic behavior in most cases.
3171 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
3174 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
3175 in the call to gen_x86_movsicc_0_m1.
3177 2010-01-28 Richard Guenther <rguenther@suse.de>
3179 PR tree-optimization/42871
3180 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
3182 2010-01-28 Richard Guenther <rguenther@suse.de>
3184 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
3185 into call arguments.
3187 2010-01-28 Richard Guenther <rguenther@suse.de>
3190 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
3191 the forwarder if the destination is an EH landing pad.
3193 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
3195 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
3196 block list passed to gimple_duplicate_sese_tail.
3197 (parallelize_loops): Avoid parallelization when the function
3199 Avoid parallelization when the preheader is IRREDUCIBLE.
3200 Try to optimize when estimated_loop_iterations_int is unresolved.
3201 Add the loop's location to the dump file.
3202 * tree-cfg.c (add_phi_args_after_redirect): Remove.
3203 (gimple_duplicate_sese_tail): Remove the check for the latch.
3204 Redirect nexits to the exit block.
3205 Remove handling of the incoming edges to the latch.
3206 Redirect the backedge from the copied latch to the exit bb.
3208 2010-01-28 Michael Matz <matz@suse.de>
3211 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
3212 Wrap force_reg into a sequence, emit it before user.
3214 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
3216 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
3218 (arm_legacy_rev): Likewise.
3219 (thumb_legacy_rev): Likewise.
3221 2010-01-27 Jakub Jelinek <jakub@redhat.com>
3223 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
3224 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
3225 on MEM's address failed, try avoid_constant_pool_reference and
3226 recurse if it returned something different.
3227 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
3228 address, try avoid_constant_pool_reference and recurse if it
3229 returned something different.
3230 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
3231 address and avoid_constant_pool_reference returned something
3232 different, don't set have_address.
3234 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
3237 * var-tracking.c (val_store): Add modified argument, obey it.
3239 (count_uses): Move down logging of main.
3240 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
3241 don't need resolution.
3242 (emit_notes_in_bb): Likewise.
3244 2010-01-27 Richard Guenther <rguenther@suse.de>
3247 * tree-inline.c (remap_decl): Delay remapping of SSA name
3248 default definitions until we need them.
3250 2010-01-27 Jakub Jelinek <jakub@redhat.com>
3252 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
3253 (rs6000_delegitimize_address): New function.
3255 * config/s390/s390.c (s390_delegitimize_address): Call
3256 delegitimize_mem_from_attrs.
3259 * tree-inline.c (cannot_copy_type_1): Removed.
3260 (copy_forbidden): Don't forbid copying of functions containing
3261 records/unions with variable length fields.
3263 2010-01-27 Christian Bruel <christian.bruel@st.com>
3267 * config/sh/sh.c (find_barrier): Increase length for non delayed
3268 conditional branches.
3270 2010-01-27 Matthias Klose <doko@ubuntu.com>
3272 * configure.ac (gnu-unique-object): Fix ldd version check.
3273 * configure: Regenerate.
3275 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3277 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
3279 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
3280 Test for HAVE_GNU_AS value.
3282 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3284 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
3285 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
3286 INT64_TYPE): Define.
3287 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
3288 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
3289 INT_LEAST64_TYPE): Define.
3290 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
3291 UINT_LEAST64_TYPE): Define.
3292 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
3293 INT_FAST64_TYPE): Define.
3294 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
3295 UINT_FAST64_TYPE): Define.
3296 (INTMAX_TYPE, UINTMAX_TYPE): Define.
3297 (INTPTR_TYPE, UINTPTR_TYPE): Define.
3298 (SIG_ATOMIC_TYPE): Define.
3300 2010-01-26 Richard Guenther <rguenther@suse.de>
3302 * df-scan.c (df_scan_set_bb_info): Remove assert.
3303 (df_insn_rescan_debug_internal): Merge asserts.
3304 (df_install_ref): Likewise.
3305 (df_mark_reg): Use bitmap_set_range.
3306 (df_hard_reg_used_p): Remove assert.
3307 (df_hard_reg_used_count): Likewise.
3309 2010-01-26 Richard Guenther <rguenther@suse.de>
3311 PR rtl-optimization/42685
3312 * web.c (web_main): Ignore DEBUG_INSNs.
3314 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
3316 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
3318 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
3319 Fix types of fndecl and arglist parameters.
3321 2010-01-26 Richard Guenther <rguenther@suse.de>
3324 * tree-eh.c (unsplit_eh): Skip debug insns.
3326 2010-01-26 Richard Guenther <rguenther@suse.de>
3328 PR tree-optimization/42250
3329 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
3331 2010-01-26 Jakub Jelinek <jakub@redhat.com>
3334 * omp-low.c (expand_omp_sections): Only use single_pred if
3335 l2_bb is single_pred_p.
3337 2010-01-25 Christian Bruel <christian.bruel@st.com>
3340 * config/sh/sh.c (find_barrier): Increase length for non delayed
3341 conditional branches.
3342 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
3344 2010-01-24 David S. Miller <davem@davemloft.net>
3346 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
3347 define if not using GAS.
3348 * config/sparc/sparc.c (sparc_elf_asm_named_section):
3349 Likewise. Delete SECTION_MERGE code, which is only applicable
3352 2010-01-24 Mark Mitchell <mark@codesourcery.com>
3355 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
3356 mangling of va_list in system headers.
3358 2010-01-23 Toon Moene <toon@moene.org>
3360 * tree-predcom.c (combine_chains): Return NULL, not false.
3362 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
3364 * tree-loop-distribution.c (distribute_loop): Fix declaration and
3365 initialization of variable res to agree with return type.
3367 2010-01-22 Steve Ellcey <sje@cup.hp.com>
3369 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
3370 * tree-sra.c: Add include of expr.h.
3372 2010-01-22 Jakub Jelinek <jakub@redhat.com>
3374 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
3375 insert the debug stmt on the single non-EH edge from the stmt.
3377 2010-01-22 Richard Henderson <rth@redhat.com>
3380 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
3381 the RHS until after generate_subtree_copies has insertted its
3382 code before the current statement.
3384 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
3386 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
3388 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
3390 2010-01-21 Martin Jambor <mjambor@suse.cz>
3392 PR tree-optimization/42585
3393 * tree-sra.c (struct access): New field grp_total_scalarization.
3394 (dump_access): Dump the new field.
3395 (should_scalarize_away_bitmap): New variable.
3396 (cannot_scalarize_away_bitmap): Likewise.
3397 (sra_initialize): Allocate new bitmaps.
3398 (sra_deinitialize): Free new bitmaps.
3399 (create_access_1): New function.
3400 (create_access): Parts moved to create_access_1.
3401 (type_consists_of_records_p): New function.
3402 (completely_scalarize_record): Likewise.
3403 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
3404 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
3405 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
3407 (analyze_all_variable_accesses): Completely scalarize small eligible
3410 2010-01-21 Martin Jambor <mjambor@suse.cz>
3412 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
3414 2010-01-21 Andrew Haley <aph@redhat.com>
3416 * gcc.c (process_command): Move lang_specific_driver before
3417 setting cc_libexec_prefix.
3419 2010-01-21 Richard Guenther <rguenther@suse.de>
3422 * fold-const.c (negate_expr_p): Pretend only negative
3423 real constants are easily negatable.
3425 2010-01-20 Janis Johnson <janis187@us.ibm.com>
3426 Jason Merrill <jason@redhat.com>
3428 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
3429 (TYPE_TRANSPARENT_AGGR): this, for union and record.
3430 * calls.c (initialize argument_information): Handle it.
3431 * c-common.c (handle_transparent_union_attribute): Use new name.
3432 * c-decl.c (finish_struct): Ditto.
3433 * c-typeck.c (type_lists_compatible_p): Ditto.
3434 (convert_for_assignment): Use new name and also handle record.
3435 * function.c (aggregate_value_p): Handle it.
3436 (pass_by_reference): Ditto.
3437 (assign_parm_data_types): Ditto.
3438 * print-tree.c (print_node): Ditto.
3439 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
3440 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
3441 * tree.c (first_field): New fn.
3443 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
3446 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
3447 even when linking statically, for now.
3449 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
3452 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
3453 without a cselib val.
3454 (count_uses): Accept MO_VAL_SET with no val on stores.
3455 (add_stores): Likewise.
3457 2010-01-20 Jakub Jelinek <jakub@redhat.com>
3459 * var-tracking.c (check_value_val): Add a compile time assertion.
3460 (dv_is_decl_p): Simplify.
3461 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
3462 gcc_assert if ENABLE_CHECKING.
3464 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
3467 * var-tracking.c: Include tree-flow.h.
3468 (mem_dies_at_call): New.
3469 (dataflow_set_preserve_mem_locs): Use it.
3470 (dataflow_set_remove_mem_locs): Likewise.
3471 (dump_var): Renamed from dump_variable. Adjust all callers.
3472 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
3473 * Makefile.in (var-tracking.o): Adjust deps.
3475 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
3477 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
3479 2010-01-20 Richard Guenther <rguenther@suse.de>
3481 PR tree-optimization/42717
3482 * tree-ssa-dce.c (get_live_post_dom): Remove.
3483 (forward_edge_to_pdom): Take an arbitrary edge to copy
3484 degenerate PHI args from.
3485 (remove_dead_stmt): Use the first post-dominator even if it
3486 does not contain live statements as redirection destination.
3488 2010-01-20 Richard Guenther <rguenther@suse.de>
3490 * tree-inline.c (estimate_num_insns): Handle EH builtins.
3492 2010-01-20 Jakub Jelinek <jakub@redhat.com>
3494 * sel-sched.c (create_speculation_check): Remove set but not used
3496 (try_transformation_cache): Remove set but not used variable ds.
3497 (calculate_privileged_insns): Remove set but not used variables
3498 cur_insn and min_spec_insn.
3499 (find_best_expr): Remove set but not used variable avail_n.
3500 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
3502 * cgraphunit.c (assemble_thunk): Remove set but not used variable
3504 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
3505 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
3508 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
3511 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
3512 cpu types. Add support for *-sse3 cpu types.
3513 (x86_64-*-*): Ditto.
3515 2010-01-20 Jakub Jelinek <jakub@redhat.com>
3518 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
3519 argument, call initializer_constant_valid_p_1 instead of
3520 initializer_constant_valid_p, pass CACHE to it, return NULL
3521 immediately if first call returns NULL.
3522 (initializer_constant_valid_p_1): New function.
3523 (initializer_constant_valid_p): Use it.
3525 2010-01-20 Thomas Quinot <quinot@adacore.com>
3527 * tree.def (PLACEHOLDER_EXPR): Fix comment.
3529 2010-01-20 Jakub Jelinek <jakub@redhat.com>
3531 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
3532 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
3533 (loc_list_from_tree): Don't handle unsigned division. Handle
3534 signed modulo using DW_OP_{over,over,div,mul,minus}.
3535 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
3536 modulo instead of signed.
3538 2010-01-20 DJ Delorie <dj@redhat.com>
3540 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
3542 (h8300_emit_stack_adjustment): Propogate it.
3544 (h8300_expand_prologue): Likewise.
3545 (h8300_expand_epilogue): Likewise.
3547 2010-01-19 Michael Matz <matz@suse.de>
3549 PR tree-optimization/41783
3550 * tree-data-ref.c (toplevel): Include flags.h.
3551 (dump_data_dependence_relation): Also dump the inputs if the
3552 result will be unknown.
3553 (split_constant_offset_1): Look through some conversions.
3554 * tree-predcom.c (determine_roots_comp): Restart a new chain if
3555 the offset from last element is too large.
3556 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
3557 (reassociate_to_the_same_stmt): Handle vector registers.
3558 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
3560 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
3561 wide_prolog_niters argument, emit widening instructions.
3562 (vect_do_peeling_for_alignment): Adjust caller, use widened
3563 variant of the iteration cound.
3564 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
3566 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3569 * config/arm/neon-testgen.m (emit_automatics): New parameter
3570 features. Adjust for Fixed_return_reg feature.
3571 (test_intrinsic): Call emit_automatics with new feature.
3572 * config/arm/neon.ml: Update copyright years.
3573 (features): New Fixed_return_reg feature.
3574 (ops): Update feature for Vget_low.
3576 2010-01-19 Jakub Jelinek <jakub@redhat.com>
3578 PR tree-optimization/42719
3579 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
3583 * fwprop.c (all_uses_available_at): Return false if def_set dest
3584 is a REG that is used in def_insn.
3586 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
3588 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
3590 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
3593 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
3595 * target.h (struct gcc_target) <secondary_reload>: Change type
3596 of last argument to secondary_reload_info *.
3598 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
3601 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
3602 memory references with unaligned offsets. Remove CQImode handling.
3603 (unaligned_memory_operand): Return 1 for memory references with
3604 unaligned offsets. Remove CQImode handling.
3606 2010-01-18 Richard Guenther <rguenther@suse.de>
3609 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
3612 2010-01-18 Richard Guenther <rguenther@suse.de>
3614 PR tree-optimization/42781
3615 * tree-ssa-structalias.c (find_what_var_points_to): Skip
3616 restrict processing only if the original variable was artificial.
3618 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
3620 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
3621 find number of popped argument bytes.
3623 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
3624 Fix the text that describes the return value for invalid insns.
3626 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
3628 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
3629 Clarify what 'cost of the -dependence' is. Fix quoting.
3631 * toplev.c (default_get_pch_validity): Rename argument to "sz".
3632 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
3634 2010-01-17 Jakub Jelinek <jakub@redhat.com>
3636 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3637 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
3639 2010-01-17 Richard Guenther <rguenther@suse.de>
3642 * function.c (split_complex_args): Take a VEC to modify.
3643 (assign_parms_augmented_arg_list): Build a VEC instead of
3644 a chain of PARM_DECLs.
3645 (assign_parms_unsplit_complex): Take a VEC of arguments.
3646 Do not fixup unmodified parms.
3647 (assign_parms): Deal with the VEC.
3648 (gimplify_parameters): Likewise.
3650 2010-01-17 Richard Guenther <rguenther@suse.de>
3652 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
3653 node existence check.
3654 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
3655 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
3656 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
3657 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
3658 (gimple_execute_on_growing_pred): Likewise.
3660 2010-01-17 Richard Guenther <rguenther@suse.de>
3662 PR tree-optimization/42773
3663 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
3664 (compute_antic_aux): Likewise.
3665 (compute_partial_antic_aux): Likewise.
3667 2010-01-17 Jie Zhang <jie.zhang@analog.com>
3670 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
3673 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
3675 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
3678 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
3679 Fix markup for strict argument.
3681 (TARGET_SCHED_REORDER2): Fix argument types.
3683 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
3684 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
3686 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
3687 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
3689 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
3692 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
3693 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
3694 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
3695 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
3696 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
3698 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
3700 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
3702 (TARGET_ASM_RELOC_RW_MASK): Add return type.
3703 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
3705 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
3707 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
3710 (TARGET_ASM_NAMED_SECTION): Fix argument list.
3712 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
3713 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
3715 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
3717 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
3719 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
3720 referring to it. Fix language.
3722 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
3724 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
3726 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
3728 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
3730 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
3731 '@var{stream}. Remove stray 'and'.
3733 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
3735 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
3737 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
3739 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
3740 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
3742 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
3743 Fix description of return value.
3744 Rename argument "sz" to "len."
3746 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
3747 Clarify meaning of 'true' return value.
3749 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
3751 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
3752 rep_mode versus mode_rep.
3754 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
3756 (TARGET_BUILTIN_DECL): Fix name.
3758 (TARGET_COMMUTATIVE_P): Fix type of first argument.
3760 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
3762 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
3764 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
3766 (TARGET_RELAXED_ORDERING): Use @deftypevr.
3768 (TARGET_GET_DRAP_RTX): Note that this is a hook.
3771 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
3772 Rename argument tm_fn to md_fn.
3774 (TARGET_OPTION_PRINT): Fix argument list.
3776 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
3779 * config/i386/i386.c (ix86_fixup_binary_operands):
3780 Revert FMA4 fixup of operands.
3782 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3785 * Makefile.in (write_entries_to_file, install-plugin):
3786 Use \012 instead of \n with tr.
3788 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
3790 * configure.ac (HAVE_AS_REF): New C macro.
3791 * configure: Regenerate.
3792 * config.in: Likewise.
3793 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
3795 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
3798 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
3800 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
3802 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
3804 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
3806 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
3808 (TARGET_IN_SMALL_DATA_P): Fix argument type.
3810 (TARGET_BINDS_LOCAL_P): Fix argument type.
3812 (TARGET_ASM_FILE_END): Use prototype.
3814 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
3816 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
3818 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
3820 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
3822 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
3823 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
3825 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
3826 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
3828 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
3829 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
3830 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
3831 (TARGET_ADDR_SPACE_CONVERT): Likewise.
3833 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
3835 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
3837 (TARGET_INIT_BUILTINS): Use prototype.
3839 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
3840 Put 'const char *' in braces. Fix parameter types.
3841 (TARGET_INVALID_CONVERSION): Fix parameter types.
3842 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
3843 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
3845 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
3848 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
3850 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
3852 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
3854 * doc/tm.texi (TARGET_HELP): Fix return type.
3856 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
3857 in braces. Fix argument types.
3859 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
3861 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
3863 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
3865 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
3866 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
3868 (TARGET_MANGLE_TYPE): Fix argument types.
3870 (TARGET_IRA_COVER_CLASSES): Use prototype.
3872 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
3874 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
3876 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
3878 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
3880 (TARGET_CALLEE_COPIES): Fix argument types.
3882 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
3884 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
3886 (TARGET_FUNCTION_VALUE): Fix argument types.
3888 (TARGET_RETURN_IN_MSB): Fix argument type.
3890 (TARGET_RETURN_IN_MEMORY): Fix argument types.
3892 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
3894 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
3896 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
3897 agree with return type.
3899 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
3901 2010-01-15 Jing Yu <jingyu@google.com>
3903 PR rtl-optimization/42691
3904 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
3905 a pseudo to a constant and are merged, and adjust comments.
3907 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
3909 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
3911 2010-01-15 Richard Guenther <rguenther@suse.de>
3914 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
3915 labels of computed or non-local gotos to the destination.
3916 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
3917 landing pad label is the first label.
3919 2010-01-15 Richard Guenther <rguenther@suse.de>
3921 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
3923 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
3926 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
3927 to allow generation of the xssqrtdp instruction on power7.
3928 (sqrtdf2_fpr): Ditto.
3930 2010-01-14 Jakub Jelinek <jakub@redhat.com>
3933 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
3934 functions with noreturn attribute.
3937 * varasm.c (declare_weak): Add weak attribute to decl if it
3938 doesn't have one already.
3939 (assemble_external): Only add decls to weak_decls if they also
3940 have weak attribute.
3942 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
3944 * var-tracking.c (var_reg_delete): Don't delete the association
3945 between REGs and values or one-part variables if the register
3948 2010-01-14 Jakub Jelinek <jakub@redhat.com>
3951 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
3952 because its first operand is a non-localized variable.
3954 2010-01-14 Martin Jambor <mjambor@suse.cz>
3956 PR tree-optimization/42706
3957 * tree-sra.c (encountered_recursive_call): New variable.
3958 (encountered_unchangable_recursive_call): Likewise.
3959 (sra_initialize): Initialize both new variables.
3960 (callsite_has_enough_arguments_p): New function.
3961 (scan_function): Call decl and flags check only for IPA-SRA, check
3962 whether there is a recursive call and whether it has enough arguments.
3963 (all_callers_have_enough_arguments_p): New function.
3964 (convert_callers): Look for recursive calls only when
3965 encountered_recursive_call is set.
3966 (ipa_early_sra): Bail out either if
3967 !all_callers_have_enough_arguments_p or
3968 encountered_unchangable_recursive_call.
3970 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3972 * sel-sched.c: Add 2010 to copyright years.
3973 * sel-sched-ir.c: Likewise.
3974 * sel-sched-ir.h: Likewise.
3976 2010-01-14 Martin Jambor <mjambor@suse.cz>
3978 PR tree-optimization/42714
3979 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
3980 constructors specially.
3982 2010-01-14 Andi Kleen <ak@linux.intel.com>
3984 * config/i386/drivers-i386.c (detect_caches_intel):
3985 Add l2sizekb parameter and fill in.
3986 (host_detect_local_cpu): Add l2sizekb, fill in.
3987 Add Atom small cache heuristic.
3989 2010-01-14 Andi Kleen <ak@linux.intel.com>
3991 * config/i386/drivers-i386.c (detect_caches_cpuid4):
3992 Add level3 parameter and fill in.
3993 (detect_caches_intel): Handle level3 cache.
3995 2010-01-14 Andi Kleen <ak@linux.intel.com>
3997 * config/i386/drivers-i386.c (host_detect_local_cpu):
3998 Fix core duo detection.
4000 2010-01-14 Andi Kleen <ak@linux.intel.com>
4002 * config/i386/drivers-i386.c (host_detect_local_cpu):
4005 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
4007 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
4008 (rs6000_variable_issue_1): this. Use...
4009 (rs6000_variable_issue): here. Reimplement. Print debug info.
4011 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
4013 * sel-sched-ir.c (sel_restore_other_notes): Rename to
4014 sel_restore_notes. Update all callers. Call reemit_notes
4017 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
4019 PR rtl-optimization/42246
4020 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
4023 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
4025 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
4026 all successors is the same as number of successors in current region.
4028 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
4030 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
4031 to rename is not separable. Otherwise check that its LHS is not NULL.
4033 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
4035 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
4037 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
4039 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
4040 available registers when failed to discover LHS register class.
4041 Fix indentation. Update comment.
4043 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
4044 Alexander Monakov <amonakov@ispras.ru>
4046 PR rtl-optimization/42389
4047 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
4049 (advance_state_on_fence): Likewise.
4050 (sel_target_adjust_priority): Print debug output only when
4051 sched_verbose >= 4, not 2.
4052 (get_expr_cost): Do not issue all unique insns on the next cycle.
4053 (fill_insns): Initialize can_issue_more from the value saved
4055 * sel-sched-ir.c (flist_add): New parameter issue_more.
4056 Init FENCE_ISSUE_MORE with it.
4057 (merge_fences): Likewise.
4058 (init_fences): Update call to flist_add.
4059 (add_to_fences, add_clean_fence_to_fences)
4060 (add_dirty_fence_to_fences): Likewise.
4061 (move_fence_to_fences): Update call to merge_fences.
4062 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
4064 * sel-sched-ir.h (struct _fence): New field issue_more.
4065 (FENCE_ISSUE_MORE): New accessor macro.
4067 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
4069 PR rtl-optimization/42388
4070 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
4071 that have no predecessors nor successors. Do not call move_bb_info
4072 for empty blocks outside of current region.
4074 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
4076 PR rtl-optimization/42294
4077 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
4078 * sel-sched.c (move_exprs_to_boundary): Transitively add all
4079 originators' originators.
4081 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
4083 PR rtl-optimization/39453
4084 PR rtl-optimization/42246
4085 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
4087 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
4089 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
4090 Alexander Monakov <amonakov@ispras.ru>
4093 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
4094 (maybe_tidy_empty_bb): ... here. Make static. Add new
4095 argument. Update all callers.
4096 (tidy_control_flow): ... and here. Recompute topological order
4097 of basic blocks in region if necessary.
4098 (sel_redirect_edge_and_branch): Change return type. Return true
4099 if topological order might have been invalidated.
4100 (purge_empty_blocks): Export and move from...
4101 * sel-sched.c (purge_empty_blocks): ... here.
4102 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
4103 (maybe_tidy_empty_bb): Delete prototype.
4104 (purge_empty_blocks): Declare.
4106 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
4108 PR rtl-optimization/42249
4109 * sel-sched.c (try_replace_dest_reg): When chosen register
4110 and original register is the same, do not bail out early, but
4111 still check all original insns for validity of replacing destination
4112 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
4115 2010-01-14 Jakub Jelinek <jakub@redhat.com>
4118 Port from no-undefined-overflow branch:
4119 2009-03-09 Richard Guenther <rguenther@suse.de>
4121 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
4123 2010-01-14 Richard Guenther <rguenther@suse.de>
4126 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
4128 2010-01-14 Ira Rosen <irar@il.ibm.com>
4130 PR tree-optimization/42709
4131 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
4132 as scalar type in creation of constant vector operand.
4134 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4137 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
4138 (check-parallel-%): Match `testsuite' directory component only
4141 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
4143 PR translation/39521
4144 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
4147 2010-01-13 Richard Guenther <rguenther@suse.de>
4149 PR tree-optimization/42730
4150 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
4153 2010-01-13 Steve Ellcey <sje@cup.hp.com>
4156 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
4157 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
4160 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
4162 * config/bfin/libgcc-bfin.ver: Regenerate based on current
4163 libgcc-std.ver. Add entries for ___smulsi3_highpart and
4164 ___umulsi3_highpart.
4166 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
4167 rather than schedule_insns if the pass is enabled.
4169 2010-01-13 Martin Jambor <mjambor@suse.cz>
4171 PR tree-optimization/42704
4172 * tree-sra.c (sra_modify_assign): Do not delete assignments to
4175 2010-01-13 Martin Jambor <mjambor@suse.cz>
4177 PR tree-optimization/42703
4178 * tree-sra.c (analyze_access_subtree): Check that we can build a
4179 reference to the original data within the aggregate.
4181 2010-01-13 Richard Guenther <rguenther@suse.de>
4183 PR tree-optimization/42705
4184 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
4186 2010-01-13 Richard Guenther <rguenther@suse.de>
4189 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
4191 2010-01-13 Jakub Jelinek <jakub@redhat.com>
4194 * var-tracking.c (values_to_unmark): New variable.
4195 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
4196 values_to_unmark vector. Moved body to...
4197 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
4198 instead queue it into values_to_unmark vector.
4199 (vt_find_locations): Free values_to_unmark vector.
4201 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
4203 * config/s390/s390.c (override_options): Set
4204 default of max-pending-list-length to 256
4206 2010-01-13 Richard Guenther <rguenther@suse.de>
4209 * tree-pass.h (PROP_gimple_lcx): New.
4210 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
4211 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
4212 before the final cleanup_eh.
4213 (dump_properties): Dump PROP_gimple_lcx.
4214 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
4215 (tree_lower_complex_O0): Remove.
4216 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
4217 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
4218 tree_lower_complex, schedule TODO_update_ssa.
4219 * lto-streamer-out.c (output_function): Stream the functions
4221 * lto-streamer-in.c (input_function): Likewise.
4222 (lto_read_body): Do not override them here.
4224 2010-01-12 Joseph Myers <joseph@codesourcery.com>
4227 * c-typeck.c (build_c_cast): Fold value cast to union type before
4228 wrapping it in a CONSTRUCTOR.
4230 2010-01-12 Jakub Jelinek <jakub@redhat.com>
4232 PR rtl-optimization/42699
4233 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
4236 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4238 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
4239 SUBTARGET_WARN_UNUSED_SPEC): Move ...
4240 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
4241 SUBTARGET_WARN_UNUSED_SPEC): ... here
4242 * config/mips/iris5.h (LIBGCC_SPEC): Define.
4244 2010-01-12 Julian Brown <julian@codesourcery.com>
4246 * config/arm/neon-schedgen.ml (Utils): Don't try to
4247 open missing module.
4248 (find_with_result): New.
4250 2010-01-12 Jakub Jelinek <jakub@redhat.com>
4253 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
4254 sharing when canonicalizing ({lt,ge}u (plus a b) b).
4256 PR tree-optimization/42645
4257 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
4258 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
4259 decl_map, set processing_debug_stmt to -1 and return name without
4262 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
4264 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
4265 binutils version, and reword target configuration description.
4267 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
4269 * config/avr/avr.h (LINKER_NAME): Remove.
4271 2010-01-11 Janis Johnson <janis187@us.ibm.com>
4274 * config/rs6000/rs6000.c (rs6000_override_options): On targets
4275 that support VSX, warn for -mno-altivec if vsx is not disabled,
4278 2010-01-11 Joseph Myers <joseph@codesourcery.com>
4279 Shujing Zhao <pearly.zhao@oracle.com>
4281 PR translation/42469
4282 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
4283 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
4284 character between option name and help text.
4285 * c.opt (imultilib): Likewise.
4287 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
4289 * lto-streamer-out.c (output_unreferenced_globals): Output static
4292 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
4294 PR rtl-optimization/42621
4295 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
4296 optimizing for size.
4297 (duplicate_computed_gotos): Remove now-redundant check.
4299 2010-01-10 Steve Ellcey <sje@cup.hp.com>
4302 * configure.ac: Save and restore LDFLAGS and LIBS
4303 * configure: Regenerate.
4305 2010-01-10 Richard Guenther <rguenther@suse.de>
4308 * builtins.c (fold_builtin_strlen): Add type argument and
4309 convert the resulting length to it.
4310 (fold_builtin_1): Adjust.
4312 2010-01-09 Jakub Jelinek <jakub@redhat.com>
4314 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
4315 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
4317 (num_insns_constant_wide): Adjust for that change.
4319 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
4322 * web.c (union_defs): Add used argument, to combine uses of
4324 (entry_register): Adjust type and tests of used argument.
4325 (web_main): Widen used for new use. Pass it to union_defs.
4326 * df.h (union_defs): Adjust prototype.
4328 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
4331 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
4332 uses in new incoming argument. Free body.
4333 (reset_debug_uses_in_loop): New.
4334 (analyze_insn_to_expand_var): Call the latter if the former found
4335 anything. Fix whitespace. Reject invalid dest overlaps before
4336 going through all insns in the loop.
4338 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
4341 * haifa-sched.c (dying_use_p): Debug insns don't count.
4343 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
4346 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
4347 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
4348 (verify_gimple_call): Reject LHS in noreturn calls.
4350 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
4354 * tree-vect-loop-manip.c (adjust_info): New type.
4355 (adjust_vec): New pointer to vector.
4356 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
4357 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
4358 (slpeel_update_phis_for_duplicate_loop): Use them.
4359 (slpeel_update_phi_nodes_for_guard1): Likewise.
4360 (slpeel_update_phi_nodes_for_guard2): Likewise.
4361 (slpeel_tree_peel_loop_to_edge): Likewise.
4362 (vect_update_ivs_after_vectorizer): Likewise.
4364 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
4366 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
4367 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
4369 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
4371 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
4372 bogus uninitialized warning.
4374 2010-01-09 Richard Guenther <rguenther@suse.de>
4377 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
4378 the evolution is compatible with the initial condition.
4380 2010-01-09 Jakub Jelinek <jakub@redhat.com>
4382 * gcc.c (process_command): Update copyright notice dates.
4383 * gcov.c (print_version): Likewise.
4384 * gcov-dump.c (print_version): Likewise.
4385 * mips-tfile.c (main): Likewise.
4386 * mips-tdump.c (main): Likewise.
4388 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
4391 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
4393 (rotlhi3_8): Delete.
4395 (rotlsi3_8): Delete.
4396 (rotlsi3_16): Delete.
4397 (rotlsi3_24): Delete.
4399 (*rotw<mode>3): New.
4400 (*rotb<mode>3): New.
4401 * config/avr/avr.c (avr_rotate_bytes): New function.
4402 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
4404 2010-01-08 Steve Ellcey <sje@cup.hp.com>
4407 * configure.ac: Modify -rdynamic check.
4408 * configure: Regenerate.
4410 2010-01-08 DJ Delorie <dj@redhat.com>
4412 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
4413 register popping order.
4415 2010-01-08 Richard Guenther <rguenther@suse.de>
4418 * c.opt (fsigned-char): Also let LTO handle this option.
4419 (funsigned-char): Likewise.
4421 2010-01-07 Richard Guenther <rguenther@suse.de>
4423 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
4424 (gimple_op): Likewise.
4425 (gimple_op_ptr): Likewise.
4426 (gimple_assign_set_lhs): Remove gcc_assert.
4427 (gimple_assign_set_rhs1): Likewise.
4428 (gimple_assign_set_rhs2): Likewise.
4429 (gimple_call_set_lhs): Likewise.
4430 (gimple_call_set_fn): Likewise.
4431 (gimple_call_set_fndecl): Likewise.
4432 (gimple_call_fndecl): Likewise.
4433 (gimple_call_return_type): Likewise.
4434 (gimple_call_set_chain): Likewise.
4435 (gimple_call_num_args): Likewise.
4436 (gimple_call_set_arg): Likewise.
4437 (gimple_cond_set_code): Likewise.
4438 (gimple_cond_set_lhs): Likewise.
4439 (gimple_cond_set_rhs): Likewise.
4440 (gimple_cond_set_true_label): Likewise.
4441 (gimple_cond_set_false_label): Likewise.
4442 (gimple_label_set_label): Likewise.
4443 (gimple_goto_set_dest): Likewise.
4444 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
4445 (gimple_debug_bind_get_value): Likewise.
4446 (gimple_debug_bind_get_value_ptr): Likewise.
4447 (gimple_debug_bind_set_var): Likewise.
4448 (gimple_debug_bind_set_value): Likewise.
4449 (gimple_debug_bind_reset_value): Likewise.
4450 (gimple_debug_bind_has_value_p): Likewise.
4451 (gimple_return_retval_ptr): Remove gcc_assert.
4452 (gimple_return_retval): Likewise.
4453 (gimple_return_set_retval): Likewise.
4454 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
4455 (safe_referenced_var_iterator): Remove.
4456 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
4457 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
4458 (fill_referenced_var_vec): Remove.
4459 (first_readonly_imm_use): Remove redundant gcc_assert.
4460 (phi_arg_index_from_use): Combine gcc_asserts.
4461 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
4462 (first_imm_use_stmt): Remove redundant gcc_assert.
4463 * tree-cfg.c (verify_gimple_call): Verify function and chain
4464 operands. Verify arguments.
4465 (verify_types_in_gimple_stmt): Verify condition code and labels.
4467 2010-01-07 Richard Guenther <rguenther@suse.de>
4469 PR tree-optimization/42641
4470 * sese.c (rename_map_elt_info): Use the SSA name version, do
4473 2010-01-07 Jakub Jelinek <jakub@redhat.com>
4475 PR tree-optimization/42625
4476 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
4477 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
4479 2010-01-07 Duncan Sands <baldrick@free.fr>
4481 * Makefile.in (PLUGIN_HEADERS): Add version.h.
4483 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
4486 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
4487 note itself is not function_invariant_p.
4489 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
4491 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
4492 Do not add the DF_NOTE problem.
4493 * store-motion.c (execute_rtl_store_motion): Likewise.
4495 2010-01-07 Martin Jambor <mjambor@suse.cz>
4497 PR tree-optimization/42157
4498 * tree-sra.c (compare_access_positions): Stabilize sort if both
4499 accesses have integer types, return zero immediately if they are the
4502 2010-01-06 Richard Henderson <rth@redhat.com>
4505 * haifa-sched.c (add_to_note_list): Merge into ...
4506 (concat_note_lists): ... here, and ...
4507 (unlink_other_notes, rm_other_notes): Merge into...
4508 (remove_notes): ... here. Create REG_SAVE_NOTEs for
4509 NOTE_INSN_EPILOGUE_BEG.
4511 2010-01-06 Richard Guenther <rguenther@suse.de>
4513 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
4514 not inline regular functions into always-inline functions.
4516 2010-01-06 Nick Clifton <nickc@redhat.com>
4518 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
4519 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
4521 (OVERRIDE_OPTIONS): Delete.
4522 (OPTIMIZATION_OPTIONS): Define.
4523 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
4524 * config/rx/rx.c (rx_handle_option): Issue an error message if
4525 -mcpu=rx200 and -fpu are used together.
4526 (rx_set_optimization_options): New function. Issue an error
4527 message if an optimization attribute attempts to reset the FPU/
4528 math optimization pairing.
4529 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
4530 * config/rx/rx.opt: Set the default to 32-bit doubles.
4531 * config/rx/t-rx: Add multilibs for -nofpu option.
4532 * doc/invoke.texi: Update documentation of RX options.
4534 2010-01-06 Richard Guenther <rguenther@suse.de>
4536 * tree-ssa-pre.c (name_to_id): New global.
4537 (alloc_expression_id): Simplify SSA name handling.
4538 (lookup_expression_id): Likewise.
4539 (init_pre): Zero name_to_id.
4540 (fini_pre): Free it.
4542 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
4544 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
4546 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
4549 * config/i386/sse.md (smaxv2di3): New.
4550 (umaxv2di3): Likewise.
4551 (sminv2di3): Likewise.
4552 (uminv2di3): Likewise.
4554 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
4557 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
4558 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
4559 (legitimize_tls_address): Likewise.
4560 (sparc_tls_referenced_p): Likewise.
4561 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
4562 and adjust calls to legitimize_pic_address.
4563 (legitimate_constant_p) Use sparc_tls_referenced_p.
4564 (legitimate_pic_operand_p): Likewise.
4565 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
4566 (sparc_tls_symbol_ref_1): Delete.
4567 (sparc_tls_referenced_p): Make static, recognize specific patterns.
4568 (legitimize_tls_address): Make static, handle CONST patterns.
4569 (legitimize_pic_address): Make static, remove unused parameter and
4570 adjust recursive calls.
4571 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
4572 and adjust call to legitimize_pic_address.
4573 (sparc_output_mi_thunk): Likewise.
4575 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
4576 H.J. Lu <hongjiu.lu@intel.com>
4579 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
4580 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
4581 operands to make them signed.
4584 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
4587 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
4588 GTU to GT for V4SI and V2DI.
4590 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
4591 (umin<mode>3): Removed.
4593 (uminv4si3): Likewise.
4595 2010-01-05 Martin Jambor <mjambor@suse.cz>
4597 PR tree-optimization/42462
4598 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
4599 current_function_decl to helper functions and macros.
4601 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4604 * flags.h: Don't include real.h.
4605 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
4606 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
4607 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
4608 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
4609 * dominance.c: Update copyright.
4610 * gimple.c (walk_gimple_op): Remove inline.
4611 * tree-ssa-reassoc.c: Include real.h.
4612 * Makefile.in (FLAGS_H): Remove $(REAL_H).
4613 (tree-ssa-reassoc.o): Depend on $(REAL_H).
4615 2010-01-05 Nick Clifton <nickc@redhat.com>
4617 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
4618 register to push into the stack frame when the accumulator has to
4619 be saved during interrupts.
4621 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
4623 * doc/invoke.texi: Remove the documentation about option
4625 * common.opt (Wunreachable-code): Preserved for backward
4627 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
4628 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
4629 the backward compatibility flag section.
4631 2010-01-05 Richard Guenther <rguenther@suse.de>
4633 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
4635 2010-01-05 Jakub Jelinek <jakub@redhat.com>
4638 * cfgexpand.c (expand_one_var): Diagnose too large variables.
4640 PR tree-optimization/42508
4641 * tree-sra.c (convert_callers): Check for recursive call
4642 by comparing cgraph nodes instead of decls.
4643 (modify_function): Call ipa_modify_formal_parameters also
4644 on all same_body aliases.
4646 * cgraphunit.c (cgraph_materialize_all_clones): Compare
4647 cgraph nodes when checking for same_body aliases.
4649 2010-01-05 Richard Guenther <rguenther@suse.de>
4651 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
4652 allocation and lookup.
4653 (get_or_alloc_expr_for_constant): Likewise.
4654 (phi_translate): Sink allocation.
4656 2010-01-04 Richard Guenther <rguenther@suse.de>
4658 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
4659 a new entry only if needed.
4660 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
4661 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
4663 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
4665 (phi_translate): Handle CONSTANTs early.
4667 2010-01-04 Martin Jambor <mjambor@suse.cz>
4669 PR tree-optimization/42398
4670 * tree-sra.c (struct access): Removed flag grp_different_types.
4671 (dump_access): Do not dump the removed flag.
4672 (sort_and_splice_var_accesses): Do not set the removed flag.
4673 (sra_modify_expr): Check for type compatibility directly.
4675 2010-01-04 Martin Jambor <mjambor@suse.cz>
4677 PR tree-optimization/42366
4678 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
4679 edges with variable number of parameters.
4680 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
4681 flag instead of asserting it.
4682 (ipa_read_node_info): Read uses_analysis_done flag.
4684 2010-01-04 Richard Guenther <rguenther@suse.de>
4686 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
4687 iterative_hash_* as intended.
4688 (vn_reference_compute_hash): Likewise. Simplify hashing
4690 (vn_reference_lookup_2): Likewise.
4691 (vn_nary_op_compute_hash): Likewise.
4692 (vn_phi_compute_hash): Likewise.
4693 (expressions_equal_p): Remove strange code.
4694 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
4695 (pre_expr_hash): Likewise. Simplify hashing SSA names.
4696 (bitmap_insert_into_set_1): Take value-id as parameter.
4697 (add_to_value): Pass it.
4698 (bitmap_insert_into_set): Likewise.
4699 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
4701 2010-01-04 Jakub Jelinek <jakub@redhat.com>
4704 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
4705 (do_self_spec): For switches with SWITCH_IGNORE set set also
4706 SWITCH_IGNORE_PERMANENTLY.
4707 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
4710 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
4712 * lto-streamer-out.c (output_unreferenced_globals): Output the full
4713 tree of an unreferenced global var.
4715 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
4718 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
4719 GTU to GT for V4SI and V2DI.
4721 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
4722 (umin<mode>3): Removed.
4724 (uminv4si3): Likewise.
4726 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
4729 * collect2.c (main): Turn on trace in collect2 if -v is passed
4732 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
4734 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
4735 description of expression operand.
4737 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
4739 * configure.ac: Add install-html to target_list for Make-hooks.
4740 * configure: Regenerate.
4741 * fortran/Make-lang.in (F95_HTMLFILES): New.
4742 (fortran.html): Use it.
4743 (fortran.install-html): New.
4744 * Makefile.in (install-html): Add lang.install-html.
4745 * java/Make-lang.in (JAVA_HTMLFILES): New.
4746 (java.html): Use it.
4747 (java.install-html): New.
4748 * objc/Make-lang.in (objc.install-html): New.
4749 * objcp/Make-lang.in (obj-c++.install-html): New.
4750 * cp/Make-lang.in (c++.install-html): New.
4751 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
4752 * lto/Make-lang.in (lto.install-html): New.
4754 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
4757 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
4759 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
4761 PR rtl-optimization/41862
4762 * store-motion.c (store_killed_in_insn, compute_store_table,
4763 remove_reachable_equiv_notes, replace_store_insn,
4764 build_store_vectors): Ignore all DEBUG_INSNs.
4766 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
4769 * common.opt: Add dumpdir.
4771 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
4773 (option_map): Add --dumpdir.
4775 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
4777 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
4779 * opts.c (decode_options): Try dump_dir_name first if
4780 dump_base_name isn't an absolute path.
4781 (common_handle_option): Handle OPT_dumpdir.
4783 * toplev.c (dump_dir_name): New.
4784 (print_switch_values): Also ignore -dumpdir.
4786 * toplev.h (dump_dir_name): New.
4788 2010-01-03 Richard Guenther <rguenther@suse.de>
4790 PR tree-optimization/42589
4791 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
4792 double-word expansion of bswap32.
4794 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
4796 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
4797 with BLOCK_FOR_INSN.
4798 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
4799 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
4800 noce_process_if_block): Likewise.
4801 * gcse.c (compute_local_properties, insert_expr_in_table,
4802 insert_set_in_table, canon_list_insert, find_avail_set,
4803 pre_insert_copy_insn): Likewise.
4805 * basic-block.h (BLOCK_NUM): Move from here...
4806 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
4808 2010-01-03 Richard Guenther <rguenther@suse.de>
4810 PR tree-optimization/42438
4811 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
4812 contains_may_not_return_call flag.
4813 (BB_MAY_NOTRETURN): New.
4814 (valid_in_sets): Trapping nary operations are not valid
4815 in blocks that may not return.
4816 (insert_into_preds_of_block): Remove check for trapping expressions.
4817 (compute_avail): Compute also BB_MAY_NOTRETURN.
4819 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
4821 * doc/invoke.texi: Add 2010 to copyright years.
4823 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
4825 * config/sparc/sparc.c: Fix formatting nits.
4827 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
4828 Alexander Monakov <amonakov@ispras.ru>
4830 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
4832 2010-01-02 Richard Guenther <rguenther@suse.de>
4835 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
4836 (simplify_switch_using_ranges): Mark to be removed edges
4839 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4841 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
4843 * collect2.c (scan_libraries): Add missing argument in call to
4846 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
4849 * config/alpha/predicates.md (aligned_memory_operand): Return false
4851 (unaligned_memory_operand): Return true for CQImode.
4852 * config/alpha/alpha.c (get_aligned_mem): Assert that location
4853 doesn not cross aligned SImode word boundary.
4855 2010-01-02 Anatoly Sokolov <aesok@post.ru>
4857 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
4859 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
4860 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
4862 2010-01-02 Richard Guenther <rguenther@suse.de>
4865 * toplev.c (compile_file): Emit LTO marker properly. Change
4867 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
4869 2010-01-01 Richard Guenther <rguenther@suse.de>
4872 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
4874 2010-01-01 Richard Guenther <rguenther@suse.de>
4877 * c-decl.c (grokdeclarator): For zero-size arrays force
4878 structural equality checks as layout_type does.
4880 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
4882 * builtins.c: Update copyright to 2010.
4884 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
4887 * lto-streamer-out.c (produce_asm): Revert the last change.
4888 (copy_function): Likewise.
4890 * lto-streamer.c (lto_get_section_name): Skip any leading
4893 2010-01-01 Richard Guenther <rguenther@suse.de>
4896 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
4900 Copyright (C) 2010 Free Software Foundation, Inc.
4902 Copying and distribution of this file, with or without modification,
4903 are permitted in any medium without royalty provided the copyright
4904 notice and this notice are preserved.