1 2010-03-04 Mike Stump <mikestump@comcast.net>
3 * Makefile.in (TAGS): Remove *.y.
5 2010-03-04 Richard Guenther <rguenther@suse.de>
7 PR tree-optimization/40761
8 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
10 (my_rev_post_order_compute): New function.
13 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
16 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
17 decrease the cost of an IV candidate when the cost is infinite.
19 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
21 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
22 Use '3DNow!' for the extension of that name, ensure normal space
24 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
26 2010-03-03 Jeff Law <law@redhat.com>
29 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
31 (extract_bit_field_1): Likewise.
33 2010-03-03 Janis Johnson <janis187@us.ibm.com>
35 * doc/sourcebuild.texi (Test directives): Document that arguments
36 include-opts and exclude-opts are now optional for dg-skip-if,
37 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
39 2010-03-03 Jason Merrill <jason@redhat.com>
42 * cgraph.h (varpool_node): Add extra_name field.
43 * varpool.c (varpool_extra_name_alias): New.
44 (varpool_assemble_decl): Emit extra name aliases.
45 (varpool_mark_needed_node): Look past an extra name alias.
46 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
47 * lto-streamer-in.c (lto_input_tree): Read it.
48 * lto-streamer-out.c (output_unreferenced_globals): Write it.
50 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
52 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
53 (sparc*-*-solaris2*): ...this.
55 2010-03-03 Jakub Jelinek <jakub@redhat.com>
58 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
59 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
60 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
61 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
64 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
65 fallthrough to default handling, just with want_address 0 instead of 2.
66 For single element lists, add_AT_loc directly, otherwise create an
67 artificial variable DIE and stick location list to it.
70 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
71 (VAL_EXPR_HAS_REVERSE): Define.
72 (reverse_op): New function.
73 (add_stores): For reversible operations add an extra MO_VAL_USE.
75 2010-03-02 Jason Merrill <jason@redhat.com>
77 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
79 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
81 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
82 (sparc64-*-linux*): Likewise.
83 (sparc64-*-solaris2*): Include assembler files before linker ones.
84 (sparc-*-solaris2*): Simplify and reorder to match previous case.
85 * config/sparc/gas.h: Delete.
86 * config/sparc/sol2-64.h: Add copyright notice.
87 * config/sparc/sol2-gas-bi.h: Likewise.
88 * config/sparc/sol2-gld.h: Likewise.
89 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
90 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
91 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
92 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
93 (sparc_elf_asm_named_section): Rename into...
94 (sparc_solaris_elf_asm_named_section): ...this. Always define.
96 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
98 * config/alpha/alpha.c (override_options): Fix -mtune error message.
100 2010-03-02 Jeff Law <law@redhat.com>
103 * reload1.c (rtx_p, substitute_stack): Declare.
104 (substitute): Record addresses of changed rtxs.
105 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
106 Restore the original rtx when complete.
107 (reload): Free subsitute_stack when complete.
109 2010-03-02 Janis Johnson <janis187@us.ibm.com>
111 * doc/gccint.texi (menu): Add Testsuites as a chapter.
112 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
114 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
115 LTO Testing, gcov Testing, profopt Testing, compat Testing,
116 Torture Tests): Change from subsection to section.
118 2010-03-02 Jakub Jelinek <jakub@redhat.com>
119 Steven Bosscher <steven@gcc.gnu.org>
121 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
124 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
127 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
128 the assignment from the new induction variable to the assignment
129 of the value from the original loop PHI function.
131 2010-03-01 Janis Johnson <janis187@us.ibm.com>
132 Daniel Jacobowitz <dan@codesourcery.com>
134 * doc/sourcebuild.texi (Test directives): Clarify options to
137 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
139 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
140 Disable cfi directives unless GCC and gas agree on using read-only
141 .eh_frame sections for 64-bit.
142 * configure: Regenerate.
144 2010-03-01 Richard Guenther <rguenther@suse.de>
146 PR tree-optimization/43220
147 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
148 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
150 2010-03-01 Richard Guenther <rguenther@suse.de>
151 Martin Jambor <mjambor@suse.cz>
154 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
155 gimplified parameters.
157 2010-03-01 Christian Bruel <christian.bruel@st.com>
159 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
161 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
163 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
165 2010-03-01 Richard Guenther <rguenther@suse.de>
168 * expr.c (expand_assignment): Use the alias-oracle to tell
169 if the rhs aliases the result decl.
171 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
174 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
175 to sol_gt_pch_get_address.
176 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
177 64-bit, SPARC and x86.
178 (sol_gt_pch_get_address): New function.
180 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
182 * toplev.h (inform_n, error_n): Declare.
183 * diagnostic.c (inform_n, error_n): New function.
185 2010-03-01 Jakub Jelinek <jakub@redhat.com>
187 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
188 has no rtl yet when processing local_decls, queue it and recheck
189 if deferred stack allocation hasn't assigned it rtl.
191 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
193 * config/sh/sh.c (unspec_bbr_uid): New.
194 (gen_block_redirect): Use it instead of INSN_UID.
195 (gen_far_branch): Likewise.
197 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
199 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
200 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
202 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
204 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
205 (Warning Options): -Wno-conversion-null is valid for
206 Objective-C++ as well.
207 * doc/tm.texi (Named Address Spaces): Likewise.
208 * doc/plugins.texi (Plugins): Replace TABs with spaces.
209 * doc/tree-ssa.texi (Tree SSA): Likewise.
211 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
214 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
215 by default. Don't set the default arch for
216 i[34567]86-*-darwin*|x86_64-*-darwin*.
218 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
221 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
222 default. Set the default 32bit/64bit archs with $with_arch
223 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
225 2010-02-27 Richard Guenther <rguenther@suse.de>
227 PR tree-optimization/43186
228 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
229 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
230 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
233 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
235 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
236 required and i[34567]86-*-* targets don't support 64bit ISA.
238 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
241 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
244 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
246 * config.gcc: Set the default arch at least to Prescott for
247 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
248 if SSE math is enabled.
250 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
252 * diagnostic.c (diagnostic_initialize): Update.
253 (diagnostic_report_diagnostic): Test inhibit_notes_p for
255 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
256 (diagnostic_inhibit_notes): New.
257 * toplev.c (process_options): inhibit notes with -fcompare-debug.
259 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
262 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
263 * doc/standards.texi: Likewise.
264 * doc/extend.texi: Likewise.
265 * doc/trouble.texi: Likewise.
266 * doc/cppopts.texi: Likewise.
267 * doc/install.texi: Likewise.
268 * c.opt (std=c90,std=gnu90): New options.
269 * c-opts.c (c_common_handle_option): Handle them.
271 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
274 * c-decl.c (undeclared_variable): Use an informative note.
276 2010-02-26 Richard Guenther <rguenther@suse.de>
278 PR tree-optimization/43186
279 * gimple.h (gimple_fold): Remove.
280 * gimple.c (gimple_fold): Remove. Inline into single user ...
281 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
282 Try harder for conditions.
284 2010-02-26 Jakub Jelinek <jakub@redhat.com>
287 * function.c (used_types_insert): Don't skip through named pointer
288 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
289 and it is different from the main variant's type.
291 2010-02-26 Nick Clifton <nickc@redhat.com>
293 * config/rx/rx.md (sminsi3): Remove bogus alternative.
295 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
297 * config.gcc: Support --with-fpmath=sse for x86.
299 * config/i386/ssemath.h: New.
301 * doc/install.texi (--with-fpmath=sse): Documented.
303 2010-02-26 Richard Guenther <rguenther@suse.de>
305 PR tree-optimization/43188
306 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
307 vector types of over-aligned element type.
309 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
312 * config/i386/i386.c (expand_vec_perm_blend): Use correct
313 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
315 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
317 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
319 2010-02-26 Jakub Jelinek <jakub@redhat.com>
321 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
322 * var-tracking.c: Include diagnostic.h.
323 (debug_dv): New function.
324 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
327 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
328 (add_value_chain, add_value_chains, remove_value_chain,
329 remove_value_chains): Handle DEBUG_EXPRs.
330 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
333 * regcprop.c (struct queued_debug_insn_change): New type.
334 (struct value_data_entry): Add debug_insn_changes field.
335 (struct value_data): Add n_debug_insn_changes field.
336 (debug_insn_changes_pool): New variable.
337 (free_debug_insn_changes, apply_debug_insn_changes,
338 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
339 (kill_value_one_regno): Call free_debug_insn_changes if needed.
340 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
342 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
344 (copyprop_hardreg_forward_1): Don't call apply_change_group for
345 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
346 changes, call cprop_find_used_regs via note_stores.
347 (copyprop_hardreg_forward): When copying vd from predecessor
348 which has any queued DEBUG_INSN changes, make sure the pointers are
349 cleared. At the end call df_analyze and then if there are any
350 DEBUG_INSN changes queued at the end of some basic block for still
351 live registers, apply them.
352 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
354 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
356 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
359 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
361 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
362 targets. Set the default with_cpu/with_arch from arch/cpu.
363 Allow x86-64 and native for with_cpu/with_arch.
365 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
367 * ebitmap.c: Change calls to verify_popcount with calls to
368 sbitmap_verify_popcount.
369 (ebitmap_clear_bit): Fixed map->cacheindex test and
370 map>cache update when bit clearing results in an empty
373 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
376 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
377 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
378 and support both V2DF and V2DI modes.
379 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
380 support both V2DF and V2DI modes.
381 (general): Delete trailing whitespace from a few patterns.
383 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
384 V2DF/V2DI interleave high/low builtins.
386 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
389 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
390 interleave high/low functions.
392 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
394 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
395 #pragma extern_prefix.
397 2010-02-25 Jakub Jelinek <jakub@redhat.com>
400 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
401 BLKmode, assert op0 is a MEM and just adjust its mode.
404 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
405 if bitpos isn't multiple of mode's bitsize.
407 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
409 * c.opt (-ftemplate-depth=): New.
410 (-ftemplate-depth-): Deprecate.
411 * optc-gen.awk: Handle -ftemplate-depth=.
412 * opth-gen.awk: Likewise.
413 * c-opts.c (c_common_handle_option): Likewise.
414 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
416 2010-02-24 Jason Merrill <jason@redhat.com>
418 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
420 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
422 * cfg.c (alloc_aux_for_block): Remove inline.
423 (alloc_aux_for_edge): Likewise.
425 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
427 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
429 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
431 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
432 * config/i386/sol2-gas.h: New file.
433 * config.gcc (i[34567]86-*-solaris2*): Use it.
435 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
438 * c-typeck.c (ep_convert_and_check): New.
439 (build_conditional_expr): Use it.
440 (build_binary_op): Likewise.
442 2010-02-24 Jakub Jelinek <jakub@redhat.com>
444 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
447 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
449 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
450 expr needs to have DECL_NAME set.
452 2010-02-24 Nick Clifton <nickc@redhat.com>
454 * config/mep/mep.c: Include gimple.h.
455 (mep_function_uses_sp): Delete unused function.
456 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
457 parameters. Use unsigned integers to count args. Return a
458 NULL_RTX instead of an error_mark_node. Toidy up formatting.
460 2010-02-23 Jakub Jelinek <jakub@redhat.com>
463 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
464 greater or equal to nelt instead of 2 * nelt.
465 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
468 2010-02-23 Jason Merrill <jason@redhat.com>
471 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
472 in cfun->local_decls even if they have register types.
475 * stor-layout.c (place_field): Don't warn about unnecessary
476 DECL_PACKED if the type is packed.
478 2010-02-23 Jakub Jelinek <jakub@redhat.com>
481 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
482 GOTOFF relocs, even when the base reg isn't pic pointer.
484 2010-02-23 Michael Matz <matz@suse.de>
487 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
488 (expand_gimple_basic_block): Generate and use debug temps if there
489 are debug uses left after the last real use of TERed ssa names.
490 Unlink debug immediate uses when they are expanded.
492 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
495 * config/i386/i386.c (override_options): Reorganise to provide
496 better error messages.
498 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
501 * graphite-scop-detection.c (create_single_exit_edge): Move
502 the call to find_single_exit_edge to....
503 (create_sese_edges): ...here. Don't handle multiple edges
504 exiting the function.
505 (build_graphite_scops): Don't handle multiple edges
506 exiting the function.
508 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
511 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
512 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
514 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
517 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
519 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
522 * c-typeck.c (convert_arguments): Print declaration location.
523 * c-common.c (validate_nargs): Rename as
524 builtin_function_validate_nargs.
525 (check_builtin_function_arguments): Update.
527 2010-02-22 Richard Guenther <rguenther@suse.de>
530 * tree-inline.c (declare_return_variable): Use the type of
531 the call stmt lhs if available.
533 2010-02-22 Duncan Sands <baldrick@free.fr>
535 * passes.c (register_pass): Always consider all pass lists when
536 ref_pass_instance_number is zero.
538 2010-02-22 Richard Guenther <rguenther@suse.de>
540 PR tree-optimization/42749
541 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
542 parameter. Do arithmetic in the original type.
543 (update_accumulator_with_ops): Likewise.
544 (adjust_accumulator_values): Adjust.
546 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
548 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
549 (QI to BLKmode splitter): New splitter.
551 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
553 * config/i386/i386.c (initial_ix86_tune_features): Turn on
554 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
556 2010-02-22 Richard Guenther <rguenther@suse.de>
558 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
560 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
562 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
563 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
564 ($(T)crti.o, $(T)crtn.o): Remove rules.
566 2010-02-21 Tobias Burnus <burnus@net-b.de>
569 * doc/invoke.texi (-fassociative-math): Document that this
570 option is automatically enabled for Fortran.
572 2010-02-20 David S. Miller <davem@davemloft.net>
574 * configure.ac: Test if linker and assembler properly support
575 GOTDATA_OP relocations.
576 * configure: Rebuild.
577 * config.in: Likewise.
578 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
579 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
580 (movsi_high_pic): Likewise.
581 (movdi_lo_sum_pic): Likewise.
582 (movdi_high_pic): Likewise.
583 (movsi_pic_gotdata_op): New pattern.
584 (movdi_pic_gotdata_op): Likewise.
585 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
586 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
588 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
591 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
593 (xop_mulv2div2di3_high): Ditto.
595 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
598 * c.opt (Wconversion-null): New option.
599 * doc/invoke.texi (Wconversion-null): Document.
601 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
603 * common.opt (Wlarger-than-): Add Undocumented.
605 2010-02-19 Mike Stump <mikestump@comcast.net>
607 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
609 2010-02-19 Jason Merrill <jason@redhat.com>
612 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
613 * configure: Likewise.
615 2010-02-20 Alan Modra <amodra@gmail.com>
618 * cgraph.h (cgraph_make_decl_local): Declare.
619 * cgraph.c (cgraph_make_decl_local): New function.
620 (cgraph_make_node_local): Use it.
621 * cgraphunit.c (cgraph_function_versioning): Likewise.
622 * ipa.c (function_and_variable_visibility): Likewise.
624 2010-02-19 Jakub Jelinek <jakub@redhat.com>
627 * except.c (sjlj_emit_function_enter): Don't call
628 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
630 * rtl.h (add_reg_br_prob_note): Remove prototype.
632 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
635 * c-common.c (conversion_warning): Remove widening conversions
636 before checking the conversion of integers to reals.
638 2010-02-19 Mike Stump <mikestump@comcast.net>
641 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
644 * cgraphunit.c (process_function_and_variable_attributes): Check
645 DECL_PRESERVE_P instead of looking up attribute "used".
646 * ipa-pure-const.c (check_decl): Likewise.
647 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
648 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
649 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
650 instead of attribute "used".
651 * config/sol2-c.c (solaris_pragma_init): Likewise.
652 (solaris_pragma_fini): Likewise.
654 2010-02-19 Jakub Jelinek <jakub@redhat.com>
656 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
657 Use XCNEW instead of xcalloc.
658 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
659 XNEW instead of xmalloc.
660 (get_fields): Use XNEWVEC instead of xmalloc.
663 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
665 (create_new_general_access): For debug stmts just reset value.
666 (get_stmt_accesses): For accesses within debug stmts just record them
667 using add_access_to_acc_sites instead of preventing the peeling or
668 counting them as accesses.
671 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
673 2010-02-19 Richard Guenther <rguenther@suse.de>
675 PR tree-optimization/42916
676 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
679 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
681 * configure.ac: Replace all uses of changequote in macro arguments
684 2010-02-19 Jakub Jelinek <jakub@redhat.com>
687 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
689 2010-02-19 Richard Guenther <rguenther@suse.de>
691 PR tree-optimization/42944
692 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
693 test for aliasing with errno.
695 2010-02-19 Jakub Jelinek <jakub@redhat.com>
698 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
699 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
700 * dojump.c: Include output.h.
701 (inv): New inline function.
702 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
703 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
704 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
705 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
706 argument, pass it down to other calls.
707 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
708 add REG_BR_PROB note to the conditional jump.
709 * cfgexpand.c (add_reg_br_prob_note): Removed.
710 (expand_gimple_cond): Don't call it, add the probability
711 as last argument to jumpif_1/jumpifnot_1.
712 * Makefile.in (dojump.o): Depend on output.h.
713 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
715 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
716 * stmt.c (do_jump_if_equal): Likewise.
717 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
718 * loop-unswitch.c (compare_and_jump_seq): Likewise.
719 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
721 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
722 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
724 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
726 (store_expr): Adjust jumpifnot caller.
727 (store_constructor): Adjust jumpif caller.
730 * gimplify.c (gimple_boolify): For __builtin_expect call
731 gimple_boolify also on its first argument.
733 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
735 * configure.ac (gnu-unique-object): Wrap regexps using [] in
737 (__stack_chk_fail): Ditto. Remove quadrigraphs.
738 * configure: Regenerated.
740 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
742 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
743 lang_hooks.types_compatible_p instead of comptypes.
745 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
747 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
748 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
749 if __prefer_thumb__ is defined.
751 2010-02-18 Martin Jambor <mjambor@suse.cz>
753 PR tree-optimization/43066
754 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
755 array with zero-sized element type.
757 2010-02-18 Jakub Jelinek <jakub@redhat.com>
759 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
760 rtx, allocate struct var_loc_node here and return it to the
761 caller, and only if it is actually needed.
762 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
763 move it earlier and return immediately if it returns NULL.
765 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
767 * config/sparc/gas.h: New file. Restore
768 TARGET_ASM_NAMED_SECTION to its ELF default.
769 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
771 * config/sparc/sparc.c (sparc_elf_asm_named_section):
772 Likewise. Add ATTRIBUTE_UNUSED to prototype.
773 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
776 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
778 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
780 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
782 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
783 patterns from predicated pattern.
785 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
788 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
789 for insn mnemonic suffix.
791 2010-02-17 Richard Guenther <rguenther@suse.de>
793 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
796 2010-02-17 Jakub Jelinek <jakub@redhat.com>
799 * caller-save.c (save_call_clobbered_regs): If BB ends with
800 a DEBUG_INSN, move any notes in between last real insn and the last
801 DEBUG_INSN after the last DEBUG_INSN.
803 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
805 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
806 Fix return type. Fix argument type. Explain meaning of return value.
808 2010-02-16 Richard Guenther <rguenther@suse.de>
810 PR tree-optimization/41043
811 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
812 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
814 (vrp_visit_phi_node): ... but only for loop PHI nodes.
816 2010-02-16 Ira Rosen <irar@il.ibm.com>
818 PR tree-optimization/43074
819 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
820 * tree-vect-loop.c (vect_analyze_loop_operations): Add
821 vectorizable cycles in hybrid SLP check.
822 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
824 2010-02-16 Richard Guenther <rguenther@suse.de>
826 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
827 (true_dependence): If memrefs_conflict_p computes must-alias
828 trust it. Move TBAA check after offset-based disambiguation.
829 (canon_true_dependence): Likewise.
831 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
833 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
834 * doc/invoke.texi: Document it.
835 * var-tracking.c: Include toplev.h and params.h.
836 (vt_find_locations): Return bool indicating success. Compute
837 hash sizes unconditionally. Check new parameter, report.
838 (variable_tracking_main_1): Check vt_find_locations results and
839 retry. Renamed from...
840 (variable_tracking_main): ... this. New wrapper to preserve
841 flag_var_tracking_assignments.
842 * Makefile.in (var-tracking.o): Adjust dependencies.
844 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
845 Jakub Jelinek <jakub@redhat.com>
848 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
849 if weak_import attribute is present.
850 * config/darwin.c (machopic_select_section): Likewise.
852 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
854 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
855 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
856 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
857 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
859 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument types.
861 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
864 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
865 Rewrite text to refer to the names.
867 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
869 * config/i386/i386-builtin-types.def
870 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
871 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
872 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
873 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
874 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
875 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
876 IX86_BUILTIN_VPERMIL2PS256.
877 (MULTI_ARG_4_DF2_DI_I): Defined.
878 (MULTI_ARG_4_DF2_DI_I1): Defined.
879 (MULTI_ARG_4_SF2_SI_I): Defined.
880 (MULTI_ARG_4_SF2_SI_I1): Defined.
881 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
882 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
883 __builtin_ia32_vpermil2ps256.
884 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
885 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
886 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
887 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
888 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
889 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
890 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
891 CODE_FOR_xop_vpermil2v8sf3.
892 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
893 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
894 * config/i386/xopintrin.h (_mm_permute2_pd): New.
895 (_mm256_permute2_pd): New.
896 (_mm_permute2_ps): New.
897 (_mm256_permute2_ps): New.
899 2010-02-15 Nick Clifton <nickc@redhat.com>
901 * config/h8300/h8300.c: (h8300_push_pop): Use bool type for
902 boolean parameters. Use emit_jump_insn when emitting a pop
903 instruction containing a return insn.
904 (push): Use 'true' rather than '1' as second parameter to F.
905 (h8300_expand_prologue): Likewise.
906 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
907 (h8300_expand_epilogue): Likewise.
909 2010-02-15 Richard Guenther <rguenther@suse.de>
912 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
915 2010-02-15 Nick Clifton <nickc@redhat.com>
917 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
920 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
922 * intl.c (fake_ngettext): New function.
923 * intl.h (fake_ngettext): Declare.
924 (ngettext): Define macro.
925 * collect2.c (notice_translated): New function.
926 (main): Use notice_translated and ngettext.
927 * collect2.h (notice_translated): Declare.
929 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
931 * reorg.c (delete_computation): Comment fixes.
932 * caller-save.c (setup_save_areas): Idem.
933 * sel-sched-dump.c (dump_lv_set): Idem.
936 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
938 * config/s390/s390.c (s390_sched_init): New function.
939 (TARGET_SCHED_INIT): Target hook defined.
941 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
942 Jack Howarth <howarth@bromo.med.uc.edu>
943 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
946 Partial revert of unintended change in fix for PR41605.
947 * config/darwin.h: Fix typo.
948 * config/darwin9.h: Same.
950 2010-02-11 Jakub Jelinek <jakub@redhat.com>
952 * c-pch.c (pch_init): Clear v.
954 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
957 * graphite-scop-detection.c (graphite_can_represent_scev): Call
958 graphite_can_represent_init for MULT_EXPR.
960 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
964 * graphite-sese-to-poly.c (remove_phi): New.
965 (translate_scalar_reduction_to_array): Call remove_phi.
967 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
970 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
971 * graphite-clast-to-gimple.h (gloog): Update declaration.
972 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
973 * graphite-poly.h (struct poly_bb): Add missing comments.
974 (struct scop): Add poly_scop_p field.
976 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
977 * graphite.c (graphite_transform_loops): Build the polyhedral
978 representation for each scop before code generation.
979 * sese.c (rename_variables_in_operand): Removed.
980 (rename_variables_in_expr): Return the renamed expression.
981 (rename_sese_parameters): New.
982 * sese.h (rename_sese_parameters): Declared.
984 2010-02-11 Richard Guenther <rguenther@suse.de>
986 PR tree-optimization/42998
987 * tree-ssa-pre.c (create_expression_by_pieces): Treat
988 POINTER_PLUS_EXPR properly.
990 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
991 Changpeng Fang <changpeng.fang@amd.com>
994 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
995 the cost of an IV candidate when the IV is used in a test against zero.
997 * gcc.dg/tree-ssa/ivopts-3.c: New.
999 2010-02-11 Richard Guenther <rguenther@suse.de>
1002 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
1003 pointer-vs-decl case by swapping refs. Handle some cases
1004 of pointer-vs-decl disambiguations more conservatively.
1005 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
1006 to false after expanding.
1008 2010-02-11 Richard Guenther <rguenther@suse.de>
1011 * gcc.c (process_command): Handle LTO file@offset case more
1014 2010-02-11 Jakub Jelinek <jakub@redhat.com>
1016 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
1017 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
1019 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
1021 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
1022 if MEM's mode size isn't DWARF2_ADDR_SIZE.
1023 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
1024 Optimize eq/ne comparisons when both arguments are known to be
1026 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
1027 Don't mask operands unnecessarily if they are known to be already
1030 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
1032 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
1035 2010-02-10 Richard Guenther <rguenther@suse.de>
1037 PR tree-optimization/43017
1038 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
1039 for wrapping signed arithmetic.
1041 2010-02-10 Jakub Jelinek <jakub@redhat.com>
1044 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
1045 if no debug info should be emitted for it.
1047 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
1049 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
1050 note when flag_exceptions is set.
1052 2010-02-10 Duncan Sands <baldrick@free.fr>
1054 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
1056 2010-02-10 Richard Guenther <rguenther@suse.de>
1059 * tree.c (get_unwidened): Handle constants.
1060 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
1062 2010-02-10 Martin Jambor <mjambor@suse.cz>
1065 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
1066 check for variable argument counts independently.
1068 2010-02-10 Christian Bruel <christian.bruel@st.com>
1071 * config/sh/sh.c (find_barrier): Increase length for non delayed
1072 conditional branches.
1074 2010-02-10 Christian Bruel <christian.bruel@st.com>
1076 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
1078 2010-02-10 Jakub Jelinek <jakub@redhat.com>
1080 * builtins.c (set_builtin_user_assembler_name): Also handle
1081 ffs if int is smaller than word.
1083 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
1086 * ira-conflicts.c (get_dup): Remove.
1087 (process_reg_shuffles): Add new parameter. Use it as an
1088 additional guard for copy generation.
1089 (add_insn_allocno_copies): Rewrite.
1091 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
1093 * common.opt (fsched2-use-traces): Preserved for backward
1095 * doc/invoke.texi: Remove the documentation about option
1096 -fsched2-use-traces.
1097 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
1098 flag_sched2_use_traces.
1099 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
1100 the backward compatibility flag section.
1102 2010-02-09 Richard Guenther <rguenther@suse.de>
1104 PR tree-optimization/43008
1105 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
1106 make HEAP variables initialized from global memory if they
1107 are not known builtin functions.
1108 (find_func_aliases): Adjust.
1110 2010-02-09 Richard Guenther <rguenther@suse.de>
1112 PR tree-optimization/43000
1113 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
1114 arithmetic manually.
1116 2010-02-08 Jakub Jelinek <jakub@redhat.com>
1118 PR tree-optimization/42931
1119 * tree-loop-linear.c (try_interchange_loops): Don't call
1120 double_int_mul if estimated_loop_iterations failed.
1122 2010-02-08 Martin Jambor <mjambor@suse.cz>
1125 * tree-sra.c (build_accesses_from_assign): Do not mark in
1126 should_scalarize_away_bitmap if stmt has volatile ops.
1127 (sra_modify_assign): Do not process assigns piecemeal if if stmt
1130 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
1132 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
1134 2010-02-07 Adam Nemet <adambnmet@gmail.com>
1136 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
1139 2010-02-07 Andrew Pinski <pinskia@gmail.com>
1142 * df-core.c (df_finish_pass): Change type of saved_flags to int.
1144 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
1147 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
1148 to unknown_dependence.
1149 (graphite_legal_transform_dr): Handle the unknown_dependence.
1150 (graphite_carried_dependence_level_k): Same.
1152 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
1154 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
1156 2010-02-07 Richard Guenther <rguenther@suse.de>
1159 * expr.c (get_inner_reference): Always initialize *pbitsize.
1161 2010-02-07 Richard Guenther <rguenther@suse.de>
1164 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
1165 new ARRAY_REFs on variable size element or minimal index arrays.
1167 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
1168 gimple_fold_indirect_ref.
1170 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
1173 * arm.c (arm_override_options): Just return if the user has specified
1174 an invalid fpu name.
1176 2010-02-03 Jason Merrill <jason@redhat.com>
1179 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
1180 i386_pe_maybe_record_exported_symbol.
1182 2010-02-05 Steve Ellcey <sje@cup.hp.com>
1185 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
1186 (pa_delegitimize_address): New function.
1188 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
1190 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
1191 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
1193 2010-02-05 Richard Guenther <rguenther@suse.de>
1196 * lto-streamer-in.c (get_resolution): Deal with references
1197 to undefined functions.
1199 2010-02-05 Richard Guenther <rguenther@suse.de>
1201 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
1202 (fold_const_aggregate_ref): Likewise.
1203 (ccp_fold_stmt): Substitute loads.
1204 (maybe_fold_reference): Verify types before substituting.
1206 (fold_gimple_assign): Unshare properly.
1207 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
1209 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
1211 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
1212 for rs6000_gen_cell_microcode.
1214 2010-02-04 Richard Guenther <rguenther@suse.de>
1216 PR rtl-optimization/42952
1217 * dse.c (const_or_frame_p): Remove MEM handling.
1219 2010-02-04 Nick Clifton <nickc@redhat.com>
1221 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
1222 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
1223 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
1224 (mn10300_asm_output_mi_thunk): New function.
1225 (mn10300_can_output_mu_thunk): New function.
1226 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
1227 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
1228 (FUNCTION_ARG): Delete incorrect comment.
1230 2010-02-03 Jason Merrill <jason@redhat.com>
1233 * fold-const.c (operand_equal_p): Handle erroneous types.
1235 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1237 * config/h8300/h8300.md (can_delay): Fix attibute condition.
1239 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
1241 PR rtl-optimization/42941
1242 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
1245 2010-02-03 Jason Merrill <jason@redhat.com>
1248 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
1250 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
1253 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
1254 (cselib_reset_table): Renamed from...
1255 (cselib_reset_table_with_next_value): ... this.
1256 (cselib_get_next_uid): Renamed from...
1257 (cselib_get_next_unknown_value): ... this.
1258 * cselib.c (next_uid): Renamed from...
1259 (next_unknown_value): ... this.
1260 (cselib_clear_table): Adjust.
1261 (cselib_reset_table): Adjust. Renamed from...
1262 (cselib_reset_table_with_next_value): ... this.
1263 (cselib_get_next_uid): Adjust. Renamed from...
1264 (cselib_get_next_unknown_value): ... this.
1265 (get_value_hash): Use hash.
1266 (cselib_hash_rtx): Likewise.
1267 (new_cselib_val): Adjust. Set and dump uid.
1268 (cselib_lookup_mem): Pass next_uid as hash.
1269 (cselib_subst_to_values): Likewise.
1270 (cselib_log_lookup): Dump uid.
1271 (cselib_lookup): Pass next_uid as hash. Adjust.
1272 (cselib_process_insn): Adjust.
1273 (cselib_init): Initialize next_uid.
1274 (cselib_finish): Adjust.
1275 (dump_cselib_table): Likewise.
1276 * dse.c (canon_address): Dump value uid.
1277 * print-rtl.c (print_rtx): Print value uid.
1278 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
1280 (dv_uid): New function, sort of renamed from...
1281 (dv_htab_hash): ... this, reimplemented in terms of it and...
1282 (dv_uid2hash): ... this. New.
1283 (variable_htab_eq): Drop excess assertions.
1284 (tie_break_pointers): Removed.
1285 (canon_value_cmp): Compare uids.
1286 (variable_post_merge_New_vals): Print uids.
1287 (vt_add_function_parameters): Adjust.
1288 (vt_initialize): Reset table. Adjust.
1290 2010-02-03 Richard Guenther <rguenther@suse.de>
1292 PR tree-optimization/42944
1293 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
1294 (call_may_clobber_ref_p_1): Likewise. Properly handle
1295 malloc and calloc clobbering errno.
1297 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
1299 * doc/invoke.texi: Fix name of sched1 dump.
1301 * opts.c (decode_options): Set flag_tree_switch_conversion
1302 only conditionally on optimize >= 2.
1304 * gcse.c: Assorted comment fixes in pass description.
1306 2010-02-03 Anthony Green <green@moxielogic.com>
1308 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
1309 nop padding in order to maintain alignment of storage location of
1310 target function address.
1311 (moxie_trampoline_init): Store target function address at newly
1313 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
1315 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
1317 2010-02-03 Richard Guenther <rguenther@suse.de>
1320 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
1322 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1324 * config.gcc: Reenable check for obsolete targets.
1325 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
1326 mips-sgi-irix6.[0-4]*.
1328 2010-02-02 Nick Clifton <nickc@redhat.com>
1330 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
1331 constant size of 4 as being the same as 0.
1332 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
1333 can take values in the range 0..4.
1335 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
1338 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
1339 as _darwin10_Unwind_FindEnclosingFunction().
1340 * libgcc-libsystem.ver: New.
1342 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
1345 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
1346 implicitly set registers.
1348 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
1350 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
1351 (arm_override_options): Allow automatic selection of the thread
1352 pointer register if thumb2.
1353 (legitimize_pic_address): Improve code sequences for Thumb2.
1354 (arm_call_tls_get_addr): Likewise.
1355 (legitimize_tls_address): Likewise.
1356 * arm.md (pic_load_addr_arm): Delete. Replace with ...
1357 (pic_load_addr_32bit): ... this. New named pattern.
1358 * thumb2.md (pic_load_addr_thumb2): Delete.
1359 (pic_load_dot_plus_four): Delete.
1360 (tls_load_dot_plus_four): New named pattern.
1362 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1365 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
1366 Document fix for TLS bug.
1368 2010-01-31 Richard Guenther <rguenther@suse.de>
1370 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
1371 conservatively correct.
1373 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1377 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1379 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
1381 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1383 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
1385 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
1387 * config.gcc: Adjust order of makefile fragments for mingw targets.
1389 2010-01-31 Richard Guenther <rguenther@suse.de>
1392 * gimplify.c (gimplify_init_constructor): For volatile LHS
1393 initialize a temporary.
1395 2010-01-31 Matthias Klose <doko@ubuntu.com>
1397 * configure.ac: Fix __stack_chk_fail check for cross builds configured
1399 * configure: Regenerate.
1401 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
1403 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
1404 the same alias set and their sizes different constantness.
1405 (aliasing_component_refs_p): Revert 2009-10-24 change.
1407 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1409 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
1412 2010-01-29 Richard Guenther <rguenther@suse.de>
1414 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
1415 Assert we successfully updated the call.
1417 2010-01-29 Jakub Jelinek <jakub@redhat.com>
1419 PR rtl-optimization/42889
1420 * df.h (df_set_bb_dirty_nonlr): New prototype.
1421 * df-core.c (df_set_bb_dirty_nonlr): New function.
1422 * df-scan.c (df_insn_rescan): Call it instead of
1423 df_set_bb_dirty for DEBUG_INSNs.
1425 2010-01-29 Richard Guenther <rguenther@suse.de>
1428 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
1429 quadratic behavior in most cases.
1431 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
1434 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
1435 in the call to gen_x86_movsicc_0_m1.
1437 2010-01-28 Richard Guenther <rguenther@suse.de>
1439 PR tree-optimization/42871
1440 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
1442 2010-01-28 Richard Guenther <rguenther@suse.de>
1444 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
1445 into call arguments.
1447 2010-01-28 Richard Guenther <rguenther@suse.de>
1450 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
1451 the forwarder if the destination is an EH landing pad.
1453 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
1455 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
1456 block list passed to gimple_duplicate_sese_tail.
1457 (parallelize_loops): Avoid parallelization when the function
1459 Avoid parallelization when the preheader is IRREDUCIBLE.
1460 Try to optimize when estimated_loop_iterations_int is unresolved.
1461 Add the loop's location to the dump file.
1462 * tree-cfg.c (add_phi_args_after_redirect): Remove.
1463 (gimple_duplicate_sese_tail): Remove the check for the latch.
1464 Redirect nexits to the exit block.
1465 Remove handling of the incoming edges to the latch.
1466 Redirect the backedge from the copied latch to the exit bb.
1468 2010-01-28 Michael Matz <matz@suse.de>
1471 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
1472 Wrap force_reg into a sequence, emit it before user.
1474 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
1476 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
1478 (arm_legacy_rev): Likewise.
1479 (thumb_legacy_rev): Likewise.
1481 2010-01-27 Jakub Jelinek <jakub@redhat.com>
1483 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
1484 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
1485 on MEM's address failed, try avoid_constant_pool_reference and
1486 recurse if it returned something different.
1487 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
1488 address, try avoid_constant_pool_reference and recurse if it
1489 returned something different.
1490 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
1491 address and avoid_constant_pool_reference returned something
1492 different, don't set have_address.
1494 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
1497 * var-tracking.c (val_store): Add modified argument, obey it.
1499 (count_uses): Move down logging of main.
1500 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
1501 don't need resolution.
1502 (emit_notes_in_bb): Likewise.
1504 2010-01-27 Richard Guenther <rguenther@suse.de>
1507 * tree-inline.c (remap_decl): Delay remapping of SSA name
1508 default definitions until we need them.
1510 2010-01-27 Jakub Jelinek <jakub@redhat.com>
1512 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
1513 (rs6000_delegitimize_address): New function.
1515 * config/s390/s390.c (s390_delegitimize_address): Call
1516 delegitimize_mem_from_attrs.
1519 * tree-inline.c (cannot_copy_type_1): Removed.
1520 (copy_forbidden): Don't forbid copying of functions containing
1521 records/unions with variable length fields.
1523 2010-01-27 Christian Bruel <christian.bruel@st.com>
1527 * config/sh/sh.c (find_barrier): Increase length for non delayed
1528 conditional branches.
1530 2010-01-27 Matthias Klose <doko@ubuntu.com>
1532 * configure.ac (gnu-unique-object): Fix ldd version check.
1533 * configure: Regenerate.
1535 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1537 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
1539 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
1540 Test for HAVE_GNU_AS value.
1542 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1544 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
1545 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
1546 INT64_TYPE): Define.
1547 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
1548 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1549 INT_LEAST64_TYPE): Define.
1550 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
1551 UINT_LEAST64_TYPE): Define.
1552 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
1553 INT_FAST64_TYPE): Define.
1554 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1555 UINT_FAST64_TYPE): Define.
1556 (INTMAX_TYPE, UINTMAX_TYPE): Define.
1557 (INTPTR_TYPE, UINTPTR_TYPE): Define.
1558 (SIG_ATOMIC_TYPE): Define.
1560 2010-01-26 Richard Guenther <rguenther@suse.de>
1562 * df-scan.c (df_scan_set_bb_info): Remove assert.
1563 (df_insn_rescan_debug_internal): Merge asserts.
1564 (df_install_ref): Likewise.
1565 (df_mark_reg): Use bitmap_set_range.
1566 (df_hard_reg_used_p): Remove assert.
1567 (df_hard_reg_used_count): Likewise.
1569 2010-01-26 Richard Guenther <rguenther@suse.de>
1571 PR rtl-optimization/42685
1572 * web.c (web_main): Ignore DEBUG_INSNs.
1574 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
1576 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
1578 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
1579 Fix types of fndecl and arglist parameters.
1581 2010-01-26 Richard Guenther <rguenther@suse.de>
1584 * tree-eh.c (unsplit_eh): Skip debug insns.
1586 2010-01-26 Richard Guenther <rguenther@suse.de>
1588 PR tree-optimization/42250
1589 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
1591 2010-01-26 Jakub Jelinek <jakub@redhat.com>
1594 * omp-low.c (expand_omp_sections): Only use single_pred if
1595 l2_bb is single_pred_p.
1597 2010-01-25 Christian Bruel <christian.bruel@st.com>
1600 * config/sh/sh.c (find_barrier): Increase length for non delayed
1601 conditional branches.
1602 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
1604 2010-01-24 David S. Miller <davem@davemloft.net>
1606 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
1607 define if not using GAS.
1608 * config/sparc/sparc.c (sparc_elf_asm_named_section):
1609 Likewise. Delete SECTION_MERGE code, which is only applicable
1612 2010-01-24 Mark Mitchell <mark@codesourcery.com>
1615 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
1616 mangling of va_list in system headers.
1618 2010-01-23 Toon Moene <toon@moene.org>
1620 * tree-predcom.c (combine_chains): Return NULL, not false.
1622 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
1624 * tree-loop-distribution.c (distribute_loop): Fix declaration and
1625 initialization of variable res to agree with return type.
1627 2010-01-22 Steve Ellcey <sje@cup.hp.com>
1629 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
1630 * tree-sra.c: Add include of expr.h.
1632 2010-01-22 Jakub Jelinek <jakub@redhat.com>
1634 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
1635 insert the debug stmt on the single non-EH edge from the stmt.
1637 2010-01-22 Richard Henderson <rth@redhat.com>
1640 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
1641 the RHS until after generate_subtree_copies has insertted its
1642 code before the current statement.
1644 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
1646 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
1648 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
1650 2010-01-21 Martin Jambor <mjambor@suse.cz>
1652 PR tree-optimization/42585
1653 * tree-sra.c (struct access): New field grp_total_scalarization.
1654 (dump_access): Dump the new field.
1655 (should_scalarize_away_bitmap): New variable.
1656 (cannot_scalarize_away_bitmap): Likewise.
1657 (sra_initialize): Allocate new bitmaps.
1658 (sra_deinitialize): Free new bitmaps.
1659 (create_access_1): New function.
1660 (create_access): Parts moved to create_access_1.
1661 (type_consists_of_records_p): New function.
1662 (completely_scalarize_record): Likewise.
1663 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
1664 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
1665 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
1667 (analyze_all_variable_accesses): Completely scalarize small eligible
1670 2010-01-21 Martin Jambor <mjambor@suse.cz>
1672 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
1674 2010-01-21 Andrew Haley <aph@redhat.com>
1676 * gcc.c (process_command): Move lang_specific_driver before
1677 setting cc_libexec_prefix.
1679 2010-01-21 Richard Guenther <rguenther@suse.de>
1682 * fold-const.c (negate_expr_p): Pretend only negative
1683 real constants are easily negatable.
1685 2010-01-20 Janis Johnson <janis187@us.ibm.com>
1686 Jason Merrill <jason@redhat.com>
1688 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
1689 (TYPE_TRANSPARENT_AGGR): this, for union and record.
1690 * calls.c (initialize argument_information): Handle it.
1691 * c-common.c (handle_transparent_union_attribute): Use new name.
1692 * c-decl.c (finish_struct): Ditto.
1693 * c-typeck.c (type_lists_compatible_p): Ditto.
1694 (convert_for_assignment): Use new name and also handle record.
1695 * function.c (aggregate_value_p): Handle it.
1696 (pass_by_reference): Ditto.
1697 (assign_parm_data_types): Ditto.
1698 * print-tree.c (print_node): Ditto.
1699 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
1700 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
1701 * tree.c (first_field): New fn.
1703 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1706 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
1707 even when linking statically, for now.
1709 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
1712 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
1713 without a cselib val.
1714 (count_uses): Accept MO_VAL_SET with no val on stores.
1715 (add_stores): Likewise.
1717 2010-01-20 Jakub Jelinek <jakub@redhat.com>
1719 * var-tracking.c (check_value_val): Add a compile time assertion.
1720 (dv_is_decl_p): Simplify.
1721 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
1722 gcc_assert if ENABLE_CHECKING.
1724 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
1727 * var-tracking.c: Include tree-flow.h.
1728 (mem_dies_at_call): New.
1729 (dataflow_set_preserve_mem_locs): Use it.
1730 (dataflow_set_remove_mem_locs): Likewise.
1731 (dump_var): Renamed from dump_variable. Adjust all callers.
1732 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
1733 * Makefile.in (var-tracking.o): Adjust deps.
1735 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
1737 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
1739 2010-01-20 Richard Guenther <rguenther@suse.de>
1741 PR tree-optimization/42717
1742 * tree-ssa-dce.c (get_live_post_dom): Remove.
1743 (forward_edge_to_pdom): Take an arbitrary edge to copy
1744 degenerate PHI args from.
1745 (remove_dead_stmt): Use the first post-dominator even if it
1746 does not contain live statements as redirection destination.
1748 2010-01-20 Richard Guenther <rguenther@suse.de>
1750 * tree-inline.c (estimate_num_insns): Handle EH builtins.
1752 2010-01-20 Jakub Jelinek <jakub@redhat.com>
1754 * sel-sched.c (create_speculation_check): Remove set but not used
1756 (try_transformation_cache): Remove set but not used variable ds.
1757 (calculate_privileged_insns): Remove set but not used variables
1758 cur_insn and min_spec_insn.
1759 (find_best_expr): Remove set but not used variable avail_n.
1760 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
1762 * cgraphunit.c (assemble_thunk): Remove set but not used variable
1764 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
1765 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
1768 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
1771 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
1772 cpu types. Add support for *-sse3 cpu types.
1773 (x86_64-*-*): Ditto.
1775 2010-01-20 Jakub Jelinek <jakub@redhat.com>
1778 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
1779 argument, call initializer_constant_valid_p_1 instead of
1780 initializer_constant_valid_p, pass CACHE to it, return NULL
1781 immediately if first call returns NULL.
1782 (initializer_constant_valid_p_1): New function.
1783 (initializer_constant_valid_p): Use it.
1785 2010-01-20 Thomas Quinot <quinot@adacore.com>
1787 * tree.def (PLACEHOLDER_EXPR): Fix comment.
1789 2010-01-20 Jakub Jelinek <jakub@redhat.com>
1791 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
1792 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
1793 (loc_list_from_tree): Don't handle unsigned division. Handle
1794 signed modulo using DW_OP_{over,over,div,mul,minus}.
1795 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
1796 modulo instead of signed.
1798 2010-01-20 DJ Delorie <dj@redhat.com>
1800 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
1802 (h8300_emit_stack_adjustment): Propogate it.
1804 (h8300_expand_prologue): Likewise.
1805 (h8300_expand_epilogue): Likewise.
1807 2010-01-19 Michael Matz <matz@suse.de>
1809 PR tree-optimization/41783
1810 * tree-data-ref.c (toplevel): Include flags.h.
1811 (dump_data_dependence_relation): Also dump the inputs if the
1812 result will be unknown.
1813 (split_constant_offset_1): Look through some conversions.
1814 * tree-predcom.c (determine_roots_comp): Restart a new chain if
1815 the offset from last element is too large.
1816 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
1817 (reassociate_to_the_same_stmt): Handle vector registers.
1818 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
1820 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
1821 wide_prolog_niters argument, emit widening instructions.
1822 (vect_do_peeling_for_alignment): Adjust caller, use widened
1823 variant of the iteration cound.
1824 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
1826 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1829 * config/arm/neon-testgen.m (emit_automatics): New parameter
1830 features. Adjust for Fixed_return_reg feature.
1831 (test_intrinsic): Call emit_automatics with new feature.
1832 * config/arm/neon.ml: Update copyright years.
1833 (features): New Fixed_return_reg feature.
1834 (ops): Update feature for Vget_low.
1836 2010-01-19 Jakub Jelinek <jakub@redhat.com>
1838 PR tree-optimization/42719
1839 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
1843 * fwprop.c (all_uses_available_at): Return false if def_set dest
1844 is a REG that is used in def_insn.
1846 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
1848 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
1850 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
1853 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
1855 * target.h (struct gcc_target) <secondary_reload>: Change type
1856 of last argument to secondary_reload_info *.
1858 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
1861 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
1862 memory references with unaligned offsets. Remove CQImode handling.
1863 (unaligned_memory_operand): Return 1 for memory references with
1864 unaligned offsets. Remove CQImode handling.
1866 2010-01-18 Richard Guenther <rguenther@suse.de>
1869 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
1872 2010-01-18 Richard Guenther <rguenther@suse.de>
1874 PR tree-optimization/42781
1875 * tree-ssa-structalias.c (find_what_var_points_to): Skip
1876 restrict processing only if the original variable was artificial.
1878 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
1880 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
1881 find number of popped argument bytes.
1883 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
1884 Fix the text that describes the return value for invalid insns.
1886 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
1888 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
1889 Clarify what 'cost of the -dependence' is. Fix quoting.
1891 * toplev.c (default_get_pch_validity): Rename argument to "sz".
1892 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
1894 2010-01-17 Jakub Jelinek <jakub@redhat.com>
1896 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
1897 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
1899 2010-01-17 Richard Guenther <rguenther@suse.de>
1902 * function.c (split_complex_args): Take a VEC to modify.
1903 (assign_parms_augmented_arg_list): Build a VEC instead of
1904 a chain of PARM_DECLs.
1905 (assign_parms_unsplit_complex): Take a VEC of arguments.
1906 Do not fixup unmodified parms.
1907 (assign_parms): Deal with the VEC.
1908 (gimplify_parameters): Likewise.
1910 2010-01-17 Richard Guenther <rguenther@suse.de>
1912 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
1913 node existence check.
1914 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
1915 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
1916 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
1917 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
1918 (gimple_execute_on_growing_pred): Likewise.
1920 2010-01-17 Richard Guenther <rguenther@suse.de>
1922 PR tree-optimization/42773
1923 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
1924 (compute_antic_aux): Likewise.
1925 (compute_partial_antic_aux): Likewise.
1927 2010-01-17 Jie Zhang <jie.zhang@analog.com>
1930 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
1933 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
1935 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
1938 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
1939 Fix markup for strict argument.
1941 (TARGET_SCHED_REORDER2): Fix argument types.
1943 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
1944 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
1946 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
1947 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
1949 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
1952 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
1953 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
1954 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
1955 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
1956 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
1958 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
1960 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
1962 (TARGET_ASM_RELOC_RW_MASK): Add return type.
1963 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
1965 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
1967 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
1970 (TARGET_ASM_NAMED_SECTION): Fix argument list.
1972 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
1973 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
1975 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
1977 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
1979 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
1980 referring to it. Fix language.
1982 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
1984 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
1986 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
1988 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
1990 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
1991 '@var{stream}. Remove stray 'and'.
1993 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
1995 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
1997 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
1999 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
2000 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
2002 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
2003 Fix description of return value.
2004 Rename argument "sz" to "len."
2006 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
2007 Clarify meaning of 'true' return value.
2009 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
2011 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
2012 rep_mode versus mode_rep.
2014 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
2016 (TARGET_BUILTIN_DECL): Fix name.
2018 (TARGET_COMMUTATIVE_P): Fix type of first argument.
2020 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
2022 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
2024 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
2026 (TARGET_RELAXED_ORDERING): Use @deftypevr.
2028 (TARGET_GET_DRAP_RTX): Note that this is a hook.
2031 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
2032 Rename argument tm_fn to md_fn.
2034 (TARGET_OPTION_PRINT): Fix argument list.
2036 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
2039 * config/i386/i386.c (ix86_fixup_binary_operands):
2040 Revert FMA4 fixup of operands.
2042 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2045 * Makefile.in (write_entries_to_file, install-plugin):
2046 Use \012 instead of \n with tr.
2048 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
2050 * configure.ac (HAVE_AS_REF): New C macro.
2051 * configure: Regenerate.
2052 * config.in: Likewise.
2053 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
2055 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
2058 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
2060 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
2062 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
2064 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
2066 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
2068 (TARGET_IN_SMALL_DATA_P): Fix argument type.
2070 (TARGET_BINDS_LOCAL_P): Fix argument type.
2072 (TARGET_ASM_FILE_END): Use prototype.
2074 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
2076 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
2078 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
2080 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
2082 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
2083 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
2085 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
2086 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
2088 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
2089 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
2090 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
2091 (TARGET_ADDR_SPACE_CONVERT): Likewise.
2093 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
2095 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
2097 (TARGET_INIT_BUILTINS): Use prototype.
2099 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
2100 Put 'const char *' in braces. Fix parameter types.
2101 (TARGET_INVALID_CONVERSION): Fix parameter types.
2102 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
2103 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
2105 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
2108 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
2110 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
2112 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
2114 * doc/tm.texi (TARGET_HELP): Fix return type.
2116 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
2117 in braces. Fix argument types.
2119 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
2121 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
2123 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
2125 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
2126 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
2128 (TARGET_MANGLE_TYPE): Fix argument types.
2130 (TARGET_IRA_COVER_CLASSES): Use prototype.
2132 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
2134 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
2136 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
2138 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
2140 (TARGET_CALLEE_COPIES): Fix argument types.
2142 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
2144 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
2146 (TARGET_FUNCTION_VALUE): Fix argument types.
2148 (TARGET_RETURN_IN_MSB): Fix argument type.
2150 (TARGET_RETURN_IN_MEMORY): Fix argument types.
2152 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
2154 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
2156 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
2157 agree with return type.
2159 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
2161 2010-01-15 Jing Yu <jingyu@google.com>
2163 PR rtl-optimization/42691
2164 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
2165 a pseudo to a constant and are merged, and adjust comments.
2167 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
2169 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
2171 2010-01-15 Richard Guenther <rguenther@suse.de>
2174 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
2175 labels of computed or non-local gotos to the destination.
2176 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
2177 landing pad label is the first label.
2179 2010-01-15 Richard Guenther <rguenther@suse.de>
2181 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
2183 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
2186 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
2187 to allow generation of the xssqrtdp instruction on power7.
2188 (sqrtdf2_fpr): Ditto.
2190 2010-01-14 Jakub Jelinek <jakub@redhat.com>
2193 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
2194 functions with noreturn attribute.
2197 * varasm.c (declare_weak): Add weak attribute to decl if it
2198 doesn't have one already.
2199 (assemble_external): Only add decls to weak_decls if they also
2200 have weak attribute.
2202 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
2204 * var-tracking.c (var_reg_delete): Don't delete the association
2205 between REGs and values or one-part variables if the register
2208 2010-01-14 Jakub Jelinek <jakub@redhat.com>
2211 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
2212 because its first operand is a non-localized variable.
2214 2010-01-14 Martin Jambor <mjambor@suse.cz>
2216 PR tree-optimization/42706
2217 * tree-sra.c (encountered_recursive_call): New variable.
2218 (encountered_unchangable_recursive_call): Likewise.
2219 (sra_initialize): Initialize both new variables.
2220 (callsite_has_enough_arguments_p): New function.
2221 (scan_function): Call decl and flags check only for IPA-SRA, check
2222 whether there is a recursive call and whether it has enough arguments.
2223 (all_callers_have_enough_arguments_p): New function.
2224 (convert_callers): Look for recursive calls only when
2225 encountered_recursive_call is set.
2226 (ipa_early_sra): Bail out either if
2227 !all_callers_have_enough_arguments_p or
2228 encountered_unchangable_recursive_call.
2230 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2232 * sel-sched.c: Add 2010 to copyright years.
2233 * sel-sched-ir.c: Likewise.
2234 * sel-sched-ir.h: Likewise.
2236 2010-01-14 Martin Jambor <mjambor@suse.cz>
2238 PR tree-optimization/42714
2239 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
2240 constructors specially.
2242 2010-01-14 Andi Kleen <ak@linux.intel.com>
2244 * config/i386/drivers-i386.c (detect_caches_intel):
2245 Add l2sizekb parameter and fill in.
2246 (host_detect_local_cpu): Add l2sizekb, fill in.
2247 Add Atom small cache heuristic.
2249 2010-01-14 Andi Kleen <ak@linux.intel.com>
2251 * config/i386/drivers-i386.c (detect_caches_cpuid4):
2252 Add level3 parameter and fill in.
2253 (detect_caches_intel): Handle level3 cache.
2255 2010-01-14 Andi Kleen <ak@linux.intel.com>
2257 * config/i386/drivers-i386.c (host_detect_local_cpu):
2258 Fix core duo detection.
2260 2010-01-14 Andi Kleen <ak@linux.intel.com>
2262 * config/i386/drivers-i386.c (host_detect_local_cpu):
2265 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2267 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
2268 (rs6000_variable_issue_1): this. Use...
2269 (rs6000_variable_issue): here. Reimplement. Print debug info.
2271 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2273 * sel-sched-ir.c (sel_restore_other_notes): Rename to
2274 sel_restore_notes. Update all callers. Call reemit_notes
2277 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
2279 PR rtl-optimization/42246
2280 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
2283 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
2285 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
2286 all successors is the same as number of successors in current region.
2288 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2290 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
2291 to rename is not separable. Otherwise check that its LHS is not NULL.
2293 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2295 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
2297 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2299 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
2300 available registers when failed to discover LHS register class.
2301 Fix indentation. Update comment.
2303 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
2304 Alexander Monakov <amonakov@ispras.ru>
2306 PR rtl-optimization/42389
2307 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
2309 (advance_state_on_fence): Likewise.
2310 (sel_target_adjust_priority): Print debug output only when
2311 sched_verbose >= 4, not 2.
2312 (get_expr_cost): Do not issue all unique insns on the next cycle.
2313 (fill_insns): Initialize can_issue_more from the value saved
2315 * sel-sched-ir.c (flist_add): New parameter issue_more.
2316 Init FENCE_ISSUE_MORE with it.
2317 (merge_fences): Likewise.
2318 (init_fences): Update call to flist_add.
2319 (add_to_fences, add_clean_fence_to_fences)
2320 (add_dirty_fence_to_fences): Likewise.
2321 (move_fence_to_fences): Update call to merge_fences.
2322 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
2324 * sel-sched-ir.h (struct _fence): New field issue_more.
2325 (FENCE_ISSUE_MORE): New accessor macro.
2327 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
2329 PR rtl-optimization/42388
2330 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
2331 that have no predecessors nor successors. Do not call move_bb_info
2332 for empty blocks outside of current region.
2334 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2336 PR rtl-optimization/42294
2337 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
2338 * sel-sched.c (move_exprs_to_boundary): Transitively add all
2339 originators' originators.
2341 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
2343 PR rtl-optimization/39453
2344 PR rtl-optimization/42246
2345 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
2347 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
2349 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
2350 Alexander Monakov <amonakov@ispras.ru>
2353 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
2354 (maybe_tidy_empty_bb): ... here. Make static. Add new
2355 argument. Update all callers.
2356 (tidy_control_flow): ... and here. Recompute topological order
2357 of basic blocks in region if necessary.
2358 (sel_redirect_edge_and_branch): Change return type. Return true
2359 if topological order might have been invalidated.
2360 (purge_empty_blocks): Export and move from...
2361 * sel-sched.c (purge_empty_blocks): ... here.
2362 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
2363 (maybe_tidy_empty_bb): Delete prototype.
2364 (purge_empty_blocks): Declare.
2366 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
2368 PR rtl-optimization/42249
2369 * sel-sched.c (try_replace_dest_reg): When chosen register
2370 and original register is the same, do not bail out early, but
2371 still check all original insns for validity of replacing destination
2372 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
2375 2010-01-14 Jakub Jelinek <jakub@redhat.com>
2378 Port from no-undefined-overflow branch:
2379 2009-03-09 Richard Guenther <rguenther@suse.de>
2381 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
2383 2010-01-14 Richard Guenther <rguenther@suse.de>
2386 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
2388 2010-01-14 Ira Rosen <irar@il.ibm.com>
2390 PR tree-optimization/42709
2391 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
2392 as scalar type in creation of constant vector operand.
2394 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2397 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
2398 (check-parallel-%): Match `testsuite' directory component only
2401 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
2403 PR translation/39521
2404 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
2407 2010-01-13 Richard Guenther <rguenther@suse.de>
2409 PR tree-optimization/42730
2410 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
2413 2010-01-13 Steve Ellcey <sje@cup.hp.com>
2416 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
2417 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
2420 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
2422 * config/bfin/libgcc-bfin.ver: Regenerate based on current
2423 libgcc-std.ver. Add entries for ___smulsi3_highpart and
2424 ___umulsi3_highpart.
2426 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
2427 rather than schedule_insns if the pass is enabled.
2429 2010-01-13 Martin Jambor <mjambor@suse.cz>
2431 PR tree-optimization/42704
2432 * tree-sra.c (sra_modify_assign): Do not delete assignments to
2435 2010-01-13 Martin Jambor <mjambor@suse.cz>
2437 PR tree-optimization/42703
2438 * tree-sra.c (analyze_access_subtree): Check that we can build a
2439 reference to the original data within the aggregate.
2441 2010-01-13 Richard Guenther <rguenther@suse.de>
2443 PR tree-optimization/42705
2444 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
2446 2010-01-13 Richard Guenther <rguenther@suse.de>
2449 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
2451 2010-01-13 Jakub Jelinek <jakub@redhat.com>
2454 * var-tracking.c (values_to_unmark): New variable.
2455 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
2456 values_to_unmark vector. Moved body to...
2457 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
2458 instead queue it into values_to_unmark vector.
2459 (vt_find_locations): Free values_to_unmark vector.
2461 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
2463 * config/s390/s390.c (override_options): Set
2464 default of max-pending-list-length to 256
2466 2010-01-13 Richard Guenther <rguenther@suse.de>
2469 * tree-pass.h (PROP_gimple_lcx): New.
2470 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
2471 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
2472 before the final cleanup_eh.
2473 (dump_properties): Dump PROP_gimple_lcx.
2474 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
2475 (tree_lower_complex_O0): Remove.
2476 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
2477 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
2478 tree_lower_complex, schedule TODO_update_ssa.
2479 * lto-streamer-out.c (output_function): Stream the functions
2481 * lto-streamer-in.c (input_function): Likewise.
2482 (lto_read_body): Do not override them here.
2484 2010-01-12 Joseph Myers <joseph@codesourcery.com>
2487 * c-typeck.c (build_c_cast): Fold value cast to union type before
2488 wrapping it in a CONSTRUCTOR.
2490 2010-01-12 Jakub Jelinek <jakub@redhat.com>
2492 PR rtl-optimization/42699
2493 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
2496 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2498 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
2499 SUBTARGET_WARN_UNUSED_SPEC): Move ...
2500 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
2501 SUBTARGET_WARN_UNUSED_SPEC): ... here
2502 * config/mips/iris5.h (LIBGCC_SPEC): Define.
2504 2010-01-12 Julian Brown <julian@codesourcery.com>
2506 * config/arm/neon-schedgen.ml (Utils): Don't try to
2507 open missing module.
2508 (find_with_result): New.
2510 2010-01-12 Jakub Jelinek <jakub@redhat.com>
2513 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
2514 sharing when canonicalizing ({lt,ge}u (plus a b) b).
2516 PR tree-optimization/42645
2517 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
2518 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
2519 decl_map, set processing_debug_stmt to -1 and return name without
2522 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
2524 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
2525 binutils version, and reword target configuration description.
2527 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
2529 * config/avr/avr.h (LINKER_NAME): Remove.
2531 2010-01-11 Janis Johnson <janis187@us.ibm.com>
2534 * config/rs6000/rs6000.c (rs6000_override_options): On targets
2535 that support VSX, warn for -mno-altivec if vsx is not disabled,
2538 2010-01-11 Joseph Myers <joseph@codesourcery.com>
2539 Shujing Zhao <pearly.zhao@oracle.com>
2541 PR translation/42469
2542 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
2543 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
2544 character between option name and help text.
2545 * c.opt (imultilib): Likewise.
2547 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
2549 * lto-streamer-out.c (output_unreferenced_globals): Output static
2552 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
2554 PR rtl-optimization/42621
2555 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
2556 optimizing for size.
2557 (duplicate_computed_gotos): Remove now-redundant check.
2559 2010-01-10 Steve Ellcey <sje@cup.hp.com>
2562 * configure.ac: Save and restore LDFLAGS and LIBS
2563 * configure: Regenerate.
2565 2010-01-10 Richard Guenther <rguenther@suse.de>
2568 * builtins.c (fold_builtin_strlen): Add type argument and
2569 convert the resulting length to it.
2570 (fold_builtin_1): Adjust.
2572 2010-01-09 Jakub Jelinek <jakub@redhat.com>
2574 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
2575 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
2577 (num_insns_constant_wide): Adjust for that change.
2579 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
2582 * web.c (union_defs): Add used argument, to combine uses of
2584 (entry_register): Adjust type and tests of used argument.
2585 (web_main): Widen used for new use. Pass it to union_defs.
2586 * df.h (union_defs): Adjust prototype.
2588 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
2591 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
2592 uses in new incoming argument. Free body.
2593 (reset_debug_uses_in_loop): New.
2594 (analyze_insn_to_expand_var): Call the latter if the former found
2595 anything. Fix whitespace. Reject invalid dest overlaps before
2596 going through all insns in the loop.
2598 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
2601 * haifa-sched.c (dying_use_p): Debug insns don't count.
2603 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
2606 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
2607 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
2608 (verify_gimple_call): Reject LHS in noreturn calls.
2610 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
2614 * tree-vect-loop-manip.c (adjust_info): New type.
2615 (adjust_vec): New pointer to vector.
2616 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
2617 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
2618 (slpeel_update_phis_for_duplicate_loop): Use them.
2619 (slpeel_update_phi_nodes_for_guard1): Likewise.
2620 (slpeel_update_phi_nodes_for_guard2): Likewise.
2621 (slpeel_tree_peel_loop_to_edge): Likewise.
2622 (vect_update_ivs_after_vectorizer): Likewise.
2624 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
2626 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
2627 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
2629 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
2631 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
2632 bogus uninitialized warning.
2634 2010-01-09 Richard Guenther <rguenther@suse.de>
2637 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
2638 the evolution is compatible with the initial condition.
2640 2010-01-09 Jakub Jelinek <jakub@redhat.com>
2642 * gcc.c (process_command): Update copyright notice dates.
2643 * gcov.c (print_version): Likewise.
2644 * gcov-dump.c (print_version): Likewise.
2645 * mips-tfile.c (main): Likewise.
2646 * mips-tdump.c (main): Likewise.
2648 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
2651 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
2653 (rotlhi3_8): Delete.
2655 (rotlsi3_8): Delete.
2656 (rotlsi3_16): Delete.
2657 (rotlsi3_24): Delete.
2659 (*rotw<mode>3): New.
2660 (*rotb<mode>3): New.
2661 * config/avr/avr.c (avr_rotate_bytes): New function.
2662 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
2664 2010-01-08 Steve Ellcey <sje@cup.hp.com>
2667 * configure.ac: Modify -rdynamic check.
2668 * configure: Regenerate.
2670 2010-01-08 DJ Delorie <dj@redhat.com>
2672 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
2673 register popping order.
2675 2010-01-08 Richard Guenther <rguenther@suse.de>
2678 * c.opt (fsigned-char): Also let LTO handle this option.
2679 (funsigned-char): Likewise.
2681 2010-01-07 Richard Guenther <rguenther@suse.de>
2683 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
2684 (gimple_op): Likewise.
2685 (gimple_op_ptr): Likewise.
2686 (gimple_assign_set_lhs): Remove gcc_assert.
2687 (gimple_assign_set_rhs1): Likewise.
2688 (gimple_assign_set_rhs2): Likewise.
2689 (gimple_call_set_lhs): Likewise.
2690 (gimple_call_set_fn): Likewise.
2691 (gimple_call_set_fndecl): Likewise.
2692 (gimple_call_fndecl): Likewise.
2693 (gimple_call_return_type): Likewise.
2694 (gimple_call_set_chain): Likewise.
2695 (gimple_call_num_args): Likewise.
2696 (gimple_call_set_arg): Likewise.
2697 (gimple_cond_set_code): Likewise.
2698 (gimple_cond_set_lhs): Likewise.
2699 (gimple_cond_set_rhs): Likewise.
2700 (gimple_cond_set_true_label): Likewise.
2701 (gimple_cond_set_false_label): Likewise.
2702 (gimple_label_set_label): Likewise.
2703 (gimple_goto_set_dest): Likewise.
2704 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
2705 (gimple_debug_bind_get_value): Likewise.
2706 (gimple_debug_bind_get_value_ptr): Likewise.
2707 (gimple_debug_bind_set_var): Likewise.
2708 (gimple_debug_bind_set_value): Likewise.
2709 (gimple_debug_bind_reset_value): Likewise.
2710 (gimple_debug_bind_has_value_p): Likewise.
2711 (gimple_return_retval_ptr): Remove gcc_assert.
2712 (gimple_return_retval): Likewise.
2713 (gimple_return_set_retval): Likewise.
2714 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
2715 (safe_referenced_var_iterator): Remove.
2716 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
2717 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
2718 (fill_referenced_var_vec): Remove.
2719 (first_readonly_imm_use): Remove redundant gcc_assert.
2720 (phi_arg_index_from_use): Combine gcc_asserts.
2721 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
2722 (first_imm_use_stmt): Remove redundant gcc_assert.
2723 * tree-cfg.c (verify_gimple_call): Verify function and chain
2724 operands. Verify arguments.
2725 (verify_types_in_gimple_stmt): Verify condition code and labels.
2727 2010-01-07 Richard Guenther <rguenther@suse.de>
2729 PR tree-optimization/42641
2730 * sese.c (rename_map_elt_info): Use the SSA name version, do
2733 2010-01-07 Jakub Jelinek <jakub@redhat.com>
2735 PR tree-optimization/42625
2736 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
2737 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
2739 2010-01-07 Duncan Sands <baldrick@free.fr>
2741 * Makefile.in (PLUGIN_HEADERS): Add version.h.
2743 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
2746 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
2747 note itself is not function_invariant_p.
2749 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
2751 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
2752 Do not add the DF_NOTE problem.
2753 * store-motion.c (execute_rtl_store_motion): Likewise.
2755 2010-01-07 Martin Jambor <mjambor@suse.cz>
2757 PR tree-optimization/42157
2758 * tree-sra.c (compare_access_positions): Stabilize sort if both
2759 accesses have integer types, return zero immediately if they are the
2762 2010-01-06 Richard Henderson <rth@redhat.com>
2765 * haifa-sched.c (add_to_note_list): Merge into ...
2766 (concat_note_lists): ... here, and ...
2767 (unlink_other_notes, rm_other_notes): Merge into...
2768 (remove_notes): ... here. Create REG_SAVE_NOTEs for
2769 NOTE_INSN_EPILOGUE_BEG.
2771 2010-01-06 Richard Guenther <rguenther@suse.de>
2773 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
2774 not inline regular functions into always-inline functions.
2776 2010-01-06 Nick Clifton <nickc@redhat.com>
2778 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
2779 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
2781 (OVERRIDE_OPTIONS): Delete.
2782 (OPTIMIZATION_OPTIONS): Define.
2783 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
2784 * config/rx/rx.c (rx_handle_option): Issue an error message if
2785 -mcpu=rx200 and -fpu are used together.
2786 (rx_set_optimization_options): New function. Issue an error
2787 message if an optimization attribute attempts to reset the FPU/
2788 math optimization pairing.
2789 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
2790 * config/rx/rx.opt: Set the default to 32-bit doubles.
2791 * config/rx/t-rx: Add multilibs for -nofpu option.
2792 * doc/invoke.texi: Update documentation of RX options.
2794 2010-01-06 Richard Guenther <rguenther@suse.de>
2796 * tree-ssa-pre.c (name_to_id): New global.
2797 (alloc_expression_id): Simplify SSA name handling.
2798 (lookup_expression_id): Likewise.
2799 (init_pre): Zero name_to_id.
2800 (fini_pre): Free it.
2802 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
2804 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
2806 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
2809 * config/i386/sse.md (smaxv2di3): New.
2810 (umaxv2di3): Likewise.
2811 (sminv2di3): Likewise.
2812 (uminv2di3): Likewise.
2814 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
2817 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
2818 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
2819 (legitimize_tls_address): Likewise.
2820 (sparc_tls_referenced_p): Likewise.
2821 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
2822 and adjust calls to legitimize_pic_address.
2823 (legitimate_constant_p) Use sparc_tls_referenced_p.
2824 (legitimate_pic_operand_p): Likewise.
2825 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
2826 (sparc_tls_symbol_ref_1): Delete.
2827 (sparc_tls_referenced_p): Make static, recognize specific patterns.
2828 (legitimize_tls_address): Make static, handle CONST patterns.
2829 (legitimize_pic_address): Make static, remove unused parameter and
2830 adjust recursive calls.
2831 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
2832 and adjust call to legitimize_pic_address.
2833 (sparc_output_mi_thunk): Likewise.
2835 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
2836 H.J. Lu <hongjiu.lu@intel.com>
2839 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
2840 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
2841 operands to make them signed.
2844 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
2847 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
2848 GTU to GT for V4SI and V2DI.
2850 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
2851 (umin<mode>3): Removed.
2853 (uminv4si3): Likewise.
2855 2010-01-05 Martin Jambor <mjambor@suse.cz>
2857 PR tree-optimization/42462
2858 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
2859 current_function_decl to helper functions and macros.
2861 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2864 * flags.h: Don't include real.h.
2865 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
2866 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
2867 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
2868 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
2869 * dominance.c: Update copyright.
2870 * gimple.c (walk_gimple_op): Remove inline.
2871 * tree-ssa-reassoc.c: Include real.h.
2872 * Makefile.in (FLAGS_H): Remove $(REAL_H).
2873 (tree-ssa-reassoc.o): Depend on $(REAL_H).
2875 2010-01-05 Nick Clifton <nickc@redhat.com>
2877 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
2878 register to push into the stack frame when the accumulator has to
2879 be saved during interrupts.
2881 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
2883 * doc/invoke.texi: Remove the documentation about option
2885 * common.opt (Wunreachable-code): Preserved for backward
2887 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
2888 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
2889 the backward compatibility flag section.
2891 2010-01-05 Richard Guenther <rguenther@suse.de>
2893 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
2895 2010-01-05 Jakub Jelinek <jakub@redhat.com>
2898 * cfgexpand.c (expand_one_var): Diagnose too large variables.
2900 PR tree-optimization/42508
2901 * tree-sra.c (convert_callers): Check for recursive call
2902 by comparing cgraph nodes instead of decls.
2903 (modify_function): Call ipa_modify_formal_parameters also
2904 on all same_body aliases.
2906 * cgraphunit.c (cgraph_materialize_all_clones): Compare
2907 cgraph nodes when checking for same_body aliases.
2909 2010-01-05 Richard Guenther <rguenther@suse.de>
2911 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
2912 allocation and lookup.
2913 (get_or_alloc_expr_for_constant): Likewise.
2914 (phi_translate): Sink allocation.
2916 2010-01-04 Richard Guenther <rguenther@suse.de>
2918 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
2919 a new entry only if needed.
2920 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
2921 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
2923 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
2925 (phi_translate): Handle CONSTANTs early.
2927 2010-01-04 Martin Jambor <mjambor@suse.cz>
2929 PR tree-optimization/42398
2930 * tree-sra.c (struct access): Removed flag grp_different_types.
2931 (dump_access): Do not dump the removed flag.
2932 (sort_and_splice_var_accesses): Do not set the removed flag.
2933 (sra_modify_expr): Check for type compatibility directly.
2935 2010-01-04 Martin Jambor <mjambor@suse.cz>
2937 PR tree-optimization/42366
2938 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
2939 edges with variable number of parameters.
2940 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
2941 flag instead of asserting it.
2942 (ipa_read_node_info): Read uses_analysis_done flag.
2944 2010-01-04 Richard Guenther <rguenther@suse.de>
2946 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
2947 iterative_hash_* as intended.
2948 (vn_reference_compute_hash): Likewise. Simplify hashing
2950 (vn_reference_lookup_2): Likewise.
2951 (vn_nary_op_compute_hash): Likewise.
2952 (vn_phi_compute_hash): Likewise.
2953 (expressions_equal_p): Remove strange code.
2954 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
2955 (pre_expr_hash): Likewise. Simplify hashing SSA names.
2956 (bitmap_insert_into_set_1): Take value-id as parameter.
2957 (add_to_value): Pass it.
2958 (bitmap_insert_into_set): Likewise.
2959 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
2961 2010-01-04 Jakub Jelinek <jakub@redhat.com>
2964 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
2965 (do_self_spec): For switches with SWITCH_IGNORE set set also
2966 SWITCH_IGNORE_PERMANENTLY.
2967 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
2970 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
2972 * lto-streamer-out.c (output_unreferenced_globals): Output the full
2973 tree of an unreferenced global var.
2975 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
2978 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
2979 GTU to GT for V4SI and V2DI.
2981 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
2982 (umin<mode>3): Removed.
2984 (uminv4si3): Likewise.
2986 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
2989 * collect2.c (main): Turn on trace in collect2 if -v is passed
2992 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
2994 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
2995 description of expression operand.
2997 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
2999 * configure.ac: Add install-html to target_list for Make-hooks.
3000 * configure: Regenerate.
3001 * fortran/Make-lang.in (F95_HTMLFILES): New.
3002 (fortran.html): Use it.
3003 (fortran.install-html): New.
3004 * Makefile.in (install-html): Add lang.install-html.
3005 * java/Make-lang.in (JAVA_HTMLFILES): New.
3006 (java.html): Use it.
3007 (java.install-html): New.
3008 * objc/Make-lang.in (objc.install-html): New.
3009 * objcp/Make-lang.in (obj-c++.install-html): New.
3010 * cp/Make-lang.in (c++.install-html): New.
3011 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
3012 * lto/Make-lang.in (lto.install-html): New.
3014 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
3017 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
3019 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
3021 PR rtl-optimization/41862
3022 * store-motion.c (store_killed_in_insn, compute_store_table,
3023 remove_reachable_equiv_notes, replace_store_insn,
3024 build_store_vectors): Ignore all DEBUG_INSNs.
3026 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
3029 * common.opt: Add dumpdir.
3031 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
3033 (option_map): Add --dumpdir.
3035 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
3037 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
3039 * opts.c (decode_options): Try dump_dir_name first if
3040 dump_base_name isn't an absolute path.
3041 (common_handle_option): Handle OPT_dumpdir.
3043 * toplev.c (dump_dir_name): New.
3044 (print_switch_values): Also ignore -dumpdir.
3046 * toplev.h (dump_dir_name): New.
3048 2010-01-03 Richard Guenther <rguenther@suse.de>
3050 PR tree-optimization/42589
3051 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
3052 double-word expansion of bswap32.
3054 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
3056 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
3057 with BLOCK_FOR_INSN.
3058 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
3059 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
3060 noce_process_if_block): Likewise.
3061 * gcse.c (compute_local_properties, insert_expr_in_table,
3062 insert_set_in_table, canon_list_insert, find_avail_set,
3063 pre_insert_copy_insn): Likewise.
3065 * basic-block.h (BLOCK_NUM): Move from here...
3066 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
3068 2010-01-03 Richard Guenther <rguenther@suse.de>
3070 PR tree-optimization/42438
3071 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
3072 contains_may_not_return_call flag.
3073 (BB_MAY_NOTRETURN): New.
3074 (valid_in_sets): Trapping nary operations are not valid
3075 in blocks that may not return.
3076 (insert_into_preds_of_block): Remove check for trapping expressions.
3077 (compute_avail): Compute also BB_MAY_NOTRETURN.
3079 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
3081 * doc/invoke.texi: Add 2010 to copyright years.
3083 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
3085 * config/sparc/sparc.c: Fix formatting nits.
3087 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
3088 Alexander Monakov <amonakov@ispras.ru>
3090 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
3092 2010-01-02 Richard Guenther <rguenther@suse.de>
3095 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
3096 (simplify_switch_using_ranges): Mark to be removed edges
3099 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3101 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
3103 * collect2.c (scan_libraries): Add missing argument in call to
3106 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
3109 * config/alpha/predicates.md (aligned_memory_operand): Return false
3111 (unaligned_memory_operand): Return true for CQImode.
3112 * config/alpha/alpha.c (get_aligned_mem): Assert that location
3113 doesn not cross aligned SImode word boundary.
3115 2010-01-02 Anatoly Sokolov <aesok@post.ru>
3117 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
3119 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
3120 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
3122 2010-01-02 Richard Guenther <rguenther@suse.de>
3125 * toplev.c (compile_file): Emit LTO marker properly. Change
3127 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
3129 2010-01-01 Richard Guenther <rguenther@suse.de>
3132 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
3134 2010-01-01 Richard Guenther <rguenther@suse.de>
3137 * c-decl.c (grokdeclarator): For zero-size arrays force
3138 structural equality checks as layout_type does.
3140 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
3142 * builtins.c: Update copyright to 2010.
3144 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
3147 * lto-streamer-out.c (produce_asm): Revert the last change.
3148 (copy_function): Likewise.
3150 * lto-streamer.c (lto_get_section_name): Skip any leading
3153 2010-01-01 Richard Guenther <rguenther@suse.de>
3156 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
3160 Copyright (C) 2010 Free Software Foundation, Inc.
3162 Copying and distribution of this file, with or without modification,
3163 are permitted in any medium without royalty provided the copyright
3164 notice and this notice are preserved.
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