1 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3 * config/i386/i386.c (override_options): Don't accept
4 -mtls-dialect=sun any longer.
5 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
6 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
7 (*tls_local_dynamic_base_32_sun): Likewise.
8 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
10 2010-03-24 Jakub Jelinek <jakub@redhat.com>
13 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
14 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
17 * ira.c (adjust_cleared_regs): New function.
18 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
22 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
24 * expr.c (expand_expr_real): Restore previous
25 curr_insn_source_location and curr_insn_block after
26 expand_expr_real_1 call.
27 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
28 instead of expand_expr_real_1.
30 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
32 PR rtl-optimization/43413
33 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
36 2010-03-22 James E. Wilson <wilson@codesourcery.com>
39 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
40 call_value_gp,sibcall_gp): Use 's' constraint not 'i'.
42 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
44 * config/i386/i386.c (ix86_target_string): Fix a typo in comments.
47 2010-03-22 Mike Stump <mikestump@comcast.net>
50 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
51 Don't overly align based upon packed packed fields.
53 2010-03-22 Jason Merrill <jason@redhat.com>
55 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
56 Use () rather than [], and move before the element type.
58 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
60 * doc/configfiles.texi (Configuration Files): Removed
61 fixinc/Makefile*, intl/Makefile.*.
62 * doc/makefile.texi: Fixed markup.
63 Abstract from version control system used.
64 (Makefile): Removed obsolete gcc/java/parse.y example.
65 * doc/sourcebuild.texi: Likewise.
66 (Top Level): Added config, gnattools, libdecnumber, libgcc,
69 (Miscellaneous Docs): Clarify location.
70 Added COPYING3, COPYING3.LIB.
71 (Front End Directory): Moved Make-lang.in entry to new
74 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
77 * config/i386/i386.c (x86_function_profiler)
78 [!NO_PROFILE_COUNTERS]: Fix typo.
79 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
82 2010-03-22 Janis Johnson <janis187@us.ibm.com>
83 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
85 * doc/sourcebuild.texi (Test Directives): Split into six
86 subsections, with most of the current text in new subsections
87 Directives, Selectors, and Final Actions.
88 (Directives): Split list of test directives into multiple
90 (Selectors): Describe use and syntax of selectors.
91 (Effective-Target Keywords): Describe all existing keywords.
92 (Add Options): Describe features for dg-add-options.
93 (Require Support): Describe variants of dg-require-support.
94 (Final Actions): Describe commands to use in dg-final.
96 2010-03-22 Michael Matz <matz@suse.de>
99 * recog.c (validate_replace_rtx_group): Replace also in
100 REG_EQUAL and REG_EQUIV notes.
102 2010-03-22 Richard Guenther <rguenther@suse.de>
104 PR tree-optimization/43390
105 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
106 sure vector extracts are type correct.
108 2010-03-22 Richard Guenther <rguenther@suse.de>
111 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
112 x * sqrt (x) even when optimizing for size if the target
113 has native support for sqrt.
115 2010-03-22 Jakub Jelinek <jakub@redhat.com>
117 * varasm.c (make_decl_rtl_for_debug): Also clear
118 flag_mudflap for the duration of make_decl_rtl call.
121 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
122 locs from preserved VALUEs.
124 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
127 * pa.md (movmemsi): Set align to one if zero.
128 (movmemdi): Likewise.
130 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
133 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
134 with their corresponding prologue pushes.
136 2010-03-20 Andrew Pinski <pinskia@gmail.com>
139 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
140 at the begining or end.
141 (spu_expand_epilogue): Likewise.
143 2010-03-20 Richard Guenther <rguenther@suse.de>
145 PR rtl-optimization/43438
146 * combine.c (make_extraction): Properly zero-/sign-extend an
147 extraction of the low part of a CONST_INT. Also handle
150 2010-03-19 Mike Stump <mikestump@comcast.net>
152 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
153 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
154 (override_options): Use SUBTARGET32_DEFAULT_CPU.
156 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
159 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was an
162 2010-03-19 Bernd Schmidt <bernd.schmidt@codesourcery.com>
164 PR rtl-optimization/42258
165 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
166 use that may match DEF.
169 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
170 the cost of loading the constant rather than assuming
172 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
173 outer code is AND, do the same tests as the andsi3 expander and
174 return COSTS_N_INSNS (1) if and is cheap.
176 * optabs.c (avoid_expensive_constant): Fix formatting.
178 2010-03-19 Michael Matz <matz@suse.de>
181 * attribs.c (decl_attributes): When rebuilding a function pointer
182 type use the same qualifiers as the original pointer type.
184 2010-03-19 Martin Jambor <mjambor@suse.cz>
186 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
187 and is_gimple_ip_invariant_address.
189 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
192 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
194 * config/arm/arm.c (arm_override_options): Turn off
195 flag_dwarf2_cfi_asm for AAPCS variants.
197 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
200 * config/arm/arm.c (emit_multi_reg_push): Update comments.
201 Use PRE_MODIFY instead of PRE_DEC.
202 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
203 (vfp_emit_fstmd): Likewise.
205 2010-03-19 Michael Matz <matz@suse.de>
208 * builtins.c (expand_builtin_interclass_mathfn,
209 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
212 2010-03-19 Richard Guenther <rguenther@suse.de>
214 PR tree-optimization/43415
215 * tree-ssa-pre.c (phi_translate): Split out worker to ...
216 (phi_translate_1): ... this.
217 (phi_translate): Move all caching here. Cache all NARY
218 and REFERENCE translations.
220 2010-03-19 David S. Miller <davem@davemloft.net>
222 With help from Eric Botcazou.
223 * config/sparc/sparc.c: Include dwarf2out.h.
224 (emit_pic_helper): Delete.
225 (pic_helper_symbol_name): Delete.
226 (pic_helper_emitted_p): Delete.
227 (pic_helper_needed): New.
228 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
229 (get_pc_thunk_name): New.
230 (load_pic_register): Remove 'delay_pic_helper' arg. Use
231 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
232 Set pic_helper_needed to true. Don't call emit_pic_helper.
233 (sparc_expand_prologue): Update load_pic_register call.
234 (sparc_output_mi_thunk): Likewise.
235 (sparc_file_end): Emit a hidden comdat symbol for the PIC
236 thunk if possible. Output CFI information as needed.
238 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
239 Jack Howarth <howarth@bromo.med.uc.edu>
242 * config/i386/i386.h: Fix ABI on darwin x86-32.
244 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
246 * tree.h: Declare make_decl_rtl_for_debug.
247 * varasm.c (make_decl_rtl_for_debug): New.
248 * dwarf2out.c (rtl_for_decl_location): Call it.
249 * cfgexpand.c (expand_debug_expr): Call it.
251 2010-03-18 Jakub Jelinek <jakub@redhat.com>
254 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
258 * var-tracking.c (vt_init_cfa_base): Do nothing if
259 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed
262 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
265 * var-tracking.c (canonicalize_vars_star): New.
266 (dataflow_post_merge_adjust): Use it.
268 2010-03-18 Jakub Jelinek <jakub@redhat.com>
271 * var-tracking.c (non_suitable_const): New function.
272 (add_uses): For DEBUG_INSNs with constants, don't record any
273 value, instead just the constant value itself.
274 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
275 is not VAR_LOC_UNKNOWN_P, set var to the constant.
276 (emit_notes_in_bb): Likewise.
277 (emit_note_insn_var_location): For onepart variables if
278 cur_loc is a VOIDmode constant, use DECL_MODE.
280 2010-03-18 Martin Jambor <mjambor@suse.cz>
283 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
284 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
285 all non-clones. Moved call redirection...
286 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new
288 (cgraph_materialize_all_clones): Dispose of all
289 combined_args_to_skip bitmaps.
290 (verify_cgraph_node): Do not check for edges pointing to wrong
291 nodes in inline clones.
292 * tree-inline.c (copy_bb): Call
293 cgraph_redirect_edge_call_stmt_to_callee.
294 * ipa.c (cgraph_remove_unreachable_nodes): Call
295 cgraph_node_remove_callees even when there are used clones.
297 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
299 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
301 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
304 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
307 2010-03-18 Michael Matz <matz@suse.de>
310 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
311 into sqrt(x) if we need to preserve signed zeros.
313 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
314 Eric Botcazou <ebotcazou@adacore.com>
316 PR rtl-optimization/43360
317 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
318 note if we don't know its invariant status.
320 2010-03-18 Michael Matz <matz@suse.de>
322 PR tree-optimization/43402
323 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
324 PHI chains of ssa names registered for update.
326 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
329 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
330 non-offsettable and pre_modify update addressing.
331 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
332 and "2" alternatives "#".
333 (*movdd_softfloat32): Make all alternatives "#";
334 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
335 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
336 (*movdf_softfloat32): Make all alternatives "#";
337 (movdi): Use the new DIFD mode iterator to create a common splitter
338 for movdi, movdf and movdd patterns.
340 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
342 * common.opt (dumpdir): Remove redundant tab.
344 2010-03-17 Martin Jambor <mjambor@suse.cz>
346 PR tree-optimization/43347
347 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
348 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
350 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
352 PR rtl-optimization/42216
353 * regrename.c (create_new_chain): New function, broken out from...
354 (scan_rtx_reg): ... here. Call it. Handle the case where we are
355 appending a use to an empty chain.
356 (build_def_use): Remove previous changes that convert OP_INOUT to
357 OP_OUT operands; instead detect the case where an OP_INOUT operand
358 uses a previously untracked register and create an empty chain for
361 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
363 * doc/extend.texi (Function Attributes): Rewrite unfinished
364 sentence in ms_abi documentation.
366 2010-03-17 Alan Modra <amodra@gmail.com>
368 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
369 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
370 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
371 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
373 2010-03-16 Richard Henderson <rth@redhat.com>
376 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
377 (lower_try_finally): Save and restore eh_seq around the expansion
380 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
382 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
383 statements before splitting block.
385 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
387 * doc/sourcebuild.texi (Testsuites): Fix markup.
388 Use pathnames relative to gcc/testsuite.
389 (Test Directives): Move description of how timeout is determined.
390 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
391 (C Tests): Correct gcc.misc-tests directory.
392 Framework tests now live in gcc.test-framework.
394 2010-03-16 Richard Guenther <rguenther@suse.de>
397 * tree-cfg.c (gimple_merge_blocks): When propagating virtual
398 PHI operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI
401 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
402 Alexandre Oliva <aoliva@redhat.com>
404 PR tree-optimization/42917
405 * lambda-code.c (remove_iv): Skip debug statements.
406 (lambda_loopnest_to_gcc_loopnest): Likewise.
407 (not_interesting_stmt): Debug statements are not interesting.
409 2010-03-16 Jakub Jelinek <jakub@redhat.com>
413 * cselib.c (cselib_preserve_constants,
414 cfa_base_preserved_val): New static variables.
415 (preserve_only_constants): New function.
416 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
417 clear its REG_VALUES. If cselib_preserve_constants, don't
418 empty the whole hash table, but preserve there VALUEs with constants,
419 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
420 (cselib_preserve_cfa_base_value): New function.
421 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
422 (cselib_init): Change argument to int bitfield. Set
423 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
425 (cselib_finish): Clear cselib_preserve_constants and
426 cfa_base_preserved_val.
427 * cselib.h (enum cselib_record_what): New enum.
428 (cselib_init): Change argument to int.
429 (cselib_preserve_cfa_base_value): New prototype.
430 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
431 * dse.c (dse_step1): Likewise.
432 * cfgcleanup.c (thread_jump): Likewise.
433 * sched-deps.c (sched_analyze): Likewise.
434 * gcse.c (local_cprop_pass): Likewise.
435 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
436 If FN is non-NULL, call the callback always and whenever it returns
437 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
438 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
439 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
440 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
441 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
442 * var-tracking.c: Include recog.h.
443 (bb_stack_adjust_offset): Remove.
444 (vt_stack_adjustments): Don't call it, instead just gather the
445 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
446 (adjust_stack_reference): Remove.
447 (compute_cfa_pointer): New function.
448 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
449 (struct adjust_mem_data): New type.
450 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
452 (get_address_mode): New function.
453 (replace_expr_with_values): Use it.
454 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
455 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
456 (adjust_sets): Remove.
457 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
458 Use get_address_mode.
459 (get_adjusted_src): Remove.
460 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
461 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
462 (add_with_sets): Don't call adjust_sets.
463 (fp_setter, vt_init_cfa_base): New functions.
464 (vt_initialize): Change return type to bool. Move most of pool etc.
465 initialization to the beginning of the function from end. Pass
466 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
467 If !frame_pointer_needed, call vt_stack_adjustment before mos
468 vector is filled, call vt_init_cfa_base if argp/framep has been
469 eliminated to sp. If frame_pointer_needed and argp/framep has
470 been eliminated to hard frame pointer, set
471 hard_frame_pointer_adjustment and call vt_init_cfa_base after
472 encountering fp setter in the prologue. For MO_ADJUST, call
473 log_op_type before pusing the op into mos vector, not afterwards.
474 Call adjust_insn before cselib_process_insn/add_with_sets,
475 call cancel_changes (0) afterwards.
476 (variable_tracking_main_1): Adjust for vt_initialize calling
477 vt_stack_adjustments and returning whether it succeeded or not.
479 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
481 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
484 2010-03-15 Jakub Jelinek <jakub@redhat.com>
486 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
488 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
489 drap_reg has not been set.
491 2010-03-15 Michael Matz <matz@suse.de>
494 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
495 use it to expand block copies.
496 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
497 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
498 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
500 2010-03-15 Richard Guenther <rguenther@suse.de>
502 PR tree-optimization/43367
503 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
506 2010-03-15 Richard Guenther <rguenther@suse.de>
508 PR tree-optimization/43317
509 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
511 2010-03-15 Martin Jambor <mjambor@suse.cz>
513 PR tree-optimization/43141
514 * tree-sra.c (create_abstract_origin): New function.
515 (modify_function): Call create_abstract_origin.
517 2010-03-15 Chris Demetriou <cgd@google.com>
519 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
522 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
525 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
526 call insert_out_of_ssa_copy for default definitions.
528 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
530 * graphite-clast-to-gimple.c (my_long_long): Defined.
531 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
532 * graphite-sese-to-poly.c (my_long_long): Defined.
533 (scop_ivs_can_be_represented): Use it.
535 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
537 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
538 graphite-max-bbs-per-function, and loop-block-tile-size.
539 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
541 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
543 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
545 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
547 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
548 (add_upper_bounds_from_estimated_nit): New.
549 (build_loop_iteration_domains): Use it.
551 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
553 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
555 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
558 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
559 should be an INTEGER_CST. Also handle CASE_CONVERT.
561 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
563 * graphite.c (graphite_initialize): To bound the number of bbs per
564 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
565 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
566 * doc/invoke.texi: Document it.
568 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
570 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
571 * graphite-sese-to-poly.h (build_poly_scop): Same.
573 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
575 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
576 the number of parameters in the scop. Use as an upper bound
577 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
578 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
579 * doc/invoke.texi: Document it.
581 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
583 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
584 * doc/c-tree.texi: Remove.
585 * doc/generic.texi: Merge c-tree.texi here.
586 * doc/gccint.texi (Trees): Remove menu entry.
587 (c-tree.texi): Remove @include.
588 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
589 * doc/languages.texi (Reading RTL): Ditto.
591 2010-03-12 Steve Ellcey <sje@cup.hp.com>
594 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
596 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
599 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
600 code added to work around reload clobbering CONST insns.
602 2010-03-12 Jakub Jelinek <jakub@redhat.com>
604 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
605 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
606 (cselib_preserve_only_values): Remove retain argument, don't
607 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
608 * cselib.h (cselib_preserve_only_values): Remove retain argument.
609 * var-tracking.c (micro_operation): Move insn field before union.
610 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
611 (struct variable_tracking_info_def): Remove n_mos field, change
612 mos into a vector of micro_operations.
613 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
614 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
615 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
616 changing into a vector.
617 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
618 come before all other uops generated by add_stores.
619 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
621 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
622 a vector. Run just one pass over the bbs instead of separate counting
623 and computation phase.
624 (vt_finalize): Free VTI (bb)->mos vector instead of array.
627 * tree-inline.c (remap_decls): Put old_var rather than origin_var
628 into *nonlocalized_list vector.
629 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
630 even if origin is non-NULL.
631 (gen_variable_die): Likewise.
632 (process_scope_var): Don't change origin.
633 (gen_decl_die): Likewise.
634 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
635 before adding new edges instead of after it, fix moving over
638 2010-03-11 David S. Miller <davem@davemloft.net>
640 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
642 * configure: Rebuild.
644 2010-03-11 Martin Jambor <mjambor@suse.cz>
646 PR tree-optimization/43257
647 * tree.c (assign_assembler_name_if_neeeded): New function.
648 (free_lang_data_in_cgraph): Assembler name assignment moved to the
650 * tree.h (assign_assembler_name_if_neeeded): Declare.
651 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
652 the function if needed.
654 2010-03-11 Chris Demetriou <cgd@google.com>
656 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
657 include/stdint-gcc.h, and include/stdint.h world-readable.
659 2010-03-11 Richard Guenther <rguenther@suse.de>
661 PR tree-optimization/43255
662 * tree-vrp.c (process_assert_insertions_for): Do not insert
663 asserts for trivial conditions.
665 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
667 PR tree-optimization/43280
668 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
669 generation. Move calculation of size out of the if branch.
670 (find_bswap): Modify compare number generation.
672 2010-03-11 Richard Guenther <rguenther@suse.de>
675 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
676 (input_gimple_stmt): Fixup handled component types during
677 operand read. Also fix up decls in ADDR_EXPRs.
679 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
681 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
682 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
684 2010-03-10 Jan Hubicka <jh@suse.cz>
687 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
688 * varasm.c (get_variable_section): Don't do that here...
689 (make_decl_rtl): ... and here.
690 (do_assemble_alias): Produce decl RTL.
691 (assemble_alias): Likewise.
693 2010-03-10 Jakub Jelinek <jakub@redhat.com>
696 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
697 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
699 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
700 (based_loc_descr): Only express drap or vdrap regno based expressions
701 using DW_OP_fbreg when not optimizing.
702 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
703 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
704 REG_CFA_SET_VDRAP note.
706 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
708 PR tree-optimization/43236
709 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
710 error in calculation of base address in reverse iteration case.
711 (generate_builtin): Take number of latch executions if the statement
714 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
717 * tree-eh.c: Include pointer-set.h.
718 (lower_eh_dispatch): Filter out duplicate case labels and
719 remove the unneeded edge when the label is unused. Return
720 true when some edges are removed.
721 (execute_lower_eh_dispatch): When any lowering resulted in
722 removing an edge, also delete unreachable blocks.
724 2010-03-10 Jakub Jelinek <jakub@redhat.com>
727 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
728 UNSPEC_MACHOPIC_OFFSET.
730 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
733 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
734 (m68k_delegitimize_address): New function.
736 2010-03-09 Jakub Jelinek <jakub@redhat.com>
739 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
742 * var-tracking.c (adjust_sets): New function.
743 (count_with_sets, add_with_sets): Use it.
744 (get_adjusted_src): New inline function.
745 (add_stores): Use it.
748 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
749 call cselib_dummy_expand_value_rtx_cb instead of
750 cselib_expand_value_rtx_cb.
753 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
754 * config/i386/i386.c: Include debug.h and dwarf2out.h.
755 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
756 and .cfi_endproc around the pic thunks.
757 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
758 all queued unwind info register saves are saved before the call.
759 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
760 considered as sp-=4 for unwind info and the pop as sp+=4 which
761 also clobbers dest, but doesn't actually restore it.
764 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
767 2010-03-09 Jie Zhang <jie@codesourcery.com>
769 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
770 whitespaces in output template.
772 2010-03-09 Jie Zhang <jie@codesourcery.com>
774 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
777 2010-03-08 Jakub Jelinek <jakub@redhat.com>
779 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
780 builtins.exp in a separate job.
782 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
784 * graphite-sese-to-poly.c (add_param_constraints): Use
785 lower_bound_in_type and upper_bound_in_type.
787 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
789 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
790 instead of unsigned_type_node.
792 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
793 Reza Yazdani <reza.yazdani@amd.com>
796 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
797 on pointer type parameters.
799 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
803 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
804 handle conversions from pointer to integers.
805 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
806 induction variable, to be able to work with code generated by CLooG.
807 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
808 (build_poly_scop): Bail out if we cannot codegen a loop.
810 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
812 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
813 code generation with gloog_error.
815 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
817 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
818 Call fold_convert on all the returned values.
819 (expand_scalar_variables_expr): Pass to
820 expand_scalar_variables_ssa_name the type of the resulting expression.
822 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
824 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
825 ppl_min_for_le_pointset.
826 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
827 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
829 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
831 * graphite-dependences.c (map_into_dep_poly): Removed.
832 (dependence_polyhedron_1): Use combine_context_id_scat.
834 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
836 * graphite-poly.h (struct poly_scattering): Add layout documentation.
837 (struct poly_bb): Same.
838 (combine_context_id_scat): New.
840 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
843 * sese.c (name_defined_in_loop_p): Return false for default
846 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
848 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
849 and clean up the logic.
851 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
853 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
856 2010-03-08 Jakub Jelinek <jakub@redhat.com>
858 * var-tracking.c (remove_cselib_value_chains): Define only for
860 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
861 delete_slot_part, emit_notes_for_differences_1): Don't call
862 remove_cselib_value_chains here.
863 (set_slot_part, emit_notes_for_differences_2): Don't call
864 add_cselib_value_chains here.
865 (preserved_values): New vector.
866 (preserve_value): New function.
867 (add_uses, add_stores, vt_add_function_parameters): Use it
868 instead of cselib_preserve_value.
869 (changed_values_stack): New vector.
870 (check_changed_vars_0): New function.
871 (check_changed_vars_1, check_changed_vars_2): Use it.
872 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
873 changed_values_stack VALUEs.
874 (vt_emit_notes): For all preserved_values call
875 add_cselib_value_chains. If ENABLE_CHECKING call
876 remove_cselib_value_chains before verifying value_chains is empty.
877 Initialize and free changed_values_stack.
878 (vt_initialize): Initialize preserved_values.
879 (vt_finalize): Free preserved_values.
881 2010-03-08 Richard Guenther <rguenther@suse.de>
883 PR tree-optimization/43269
884 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
887 2010-03-08 Martin Jambor <mjambor@suse.cz>
889 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
890 (ipa_is_param_called): Removed.
891 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
892 (ipa_print_node_params): Do not print the called flag.
893 (ipa_write_node_info): Do not stream the called flag.
894 (ipa_read_node_info): Likewise.
896 2010-03-07 Jakub Jelinek <jakub@redhat.com>
899 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
900 * cselib.c (struct expand_value_data): Add dummy field.
901 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
903 (cselib_dummy_expand_value_rtx_cb): New function.
904 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
906 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
907 * var-tracking.c: Include pointer-set.h.
908 (variable): Change n_var_parts to char from int. Add
909 cur_loc_changed and in_changed_variables fields.
910 (variable_canonicalize): Remove.
911 (shared_var_p): New inline function.
912 (unshare_variable): Maintain cur_loc_changed and
913 in_changed_variables fields. If var was in changed_variables,
914 replace it there with new_var. Just copy cur_loc instead of
915 resetting it to something else.
916 (variable_union): Don't recompute cur_loc. Use shared_var_p.
917 (dataflow_set_union): Don't call variable_canonicalize.
918 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
919 of their DEBUG_EXPR_TREE_DECLs.
920 (canonicalize_loc_order_check): Verify that cur_loc is NULL
921 and in_changed_variables and cur_loc_changed is false.
922 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
923 and cur_loc_changed. Don't update cur_loc here.
924 (variable_merge_over_src): Don't call variable_canonicalize.
925 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
926 removing loc that is equal to cur_loc, clear cur_loc,
927 set cur_loc_changed and ensure variable_was_changed is called.
928 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
929 compare pointers in cur_loc check, if it is equal to loc,
930 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
931 (variable_different_p): Remove compare_current_location argument,
932 don't compare cur_loc.
933 (dataflow_set_different_1): Adjust variable_different_p caller.
934 (variable_was_changed): If dv had some var in changed_variables
935 already, reset in_changed_variables flag for it and propagate
936 cur_loc_changed over to the new variable. On empty var
937 always set cur_loc_changed. Set in_changed_variables on whatever
938 var is added to changed_variables.
939 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
940 Use shared_var_p. When removing loc that is equal to cur_loc,
941 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
942 end, don't set it to something else, just call variable_was_changed.
943 (delete_slot_part): Use shared_var_p. When cur_loc equals to
944 loc being removed, clear cur_loc and set cur_loc_changed.
945 Set cur_loc_changed if all locations have been removed.
946 (struct expand_loc_callback_data): New type.
947 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
948 allocated. Always create SUBREGs if simplify_subreg failed.
949 Prefer to use cur_loc, when that fails and still in
950 changed_variables (and seen first time) recompute it. Set
951 cur_loc_changed of variables which had to change cur_loc and
952 compute elcd->cur_loc_changed if any of the subexpressions used
953 had to change cur_loc.
954 (vt_expand_loc): Adjust to pass arguments in
955 expand_loc_callback_data structure.
956 (vt_expand_loc_dummy): New function.
957 (emitted_notes): New variable.
958 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
959 that weren't used for any other decl in current
960 emit_notes_for_changes call call vt_expand_loc_dummy to update
961 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
962 first loc_chain location if NULL before. Always use just
963 cur_loc instead of first loc_chain location. When cur_loc_changed
964 is false, when not --enable-checking=rtl just don't emit any note.
965 When rtl checking, compute the note and assert it is the same
966 as previous note. Clear cur_loc_changed and in_changed_variables
967 at the end before removing from changed_variables.
968 (check_changed_vars_3): New function.
969 (emit_notes_for_changes): Traverse changed_vars to call
970 check_changed_vars_3 on each changed var.
971 (emit_notes_for_differences_1): Clear cur_loc_changed and
972 in_changed_variables. Recompute cur_loc of new_var.
973 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
974 (vt_emit_notes): Initialize and destroy emitted_notes.
976 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
978 PR rtl-optimization/42220
979 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
980 Use verify_reg_tracked to determine if we should use OP_OUT rather
982 (build_def_use): If we see an in-out operand for a register that we
983 know nothing about, treat is an output if possible, fail the block if
986 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
989 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
992 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
995 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
996 uses of relevant DEFs that are dead outside the loop too.
998 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
1000 * var-tracking.c (dataflow_set_merge): Swap src and src2.
1002 2010-01-13 Jakub Jelinek <jakub@redhat.com>
1004 * var-tracking.c (values_to_unmark): New variable.
1005 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
1006 values_to_unmark vector. Moved body to...
1007 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
1008 instead queue it into values_to_unmark vector.
1009 (vt_find_locations): Free values_to_unmark vector.
1011 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
1013 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
1014 (site.exp): Export them when plugins are enabled.
1016 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
1019 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
1021 (chrec_fold_multiply): Same.
1023 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
1026 * c-decl.c (build_compound_literal): Return early if init is
1029 2010-03-04 Martin Jambor <mjambor@suse.cz>
1031 PR tree-optimization/43164
1032 PR tree-optimization/43191
1033 * tree-sra.c (type_consists_of_records_p): Reject records with
1034 zero-size bit-fields at the end.
1036 2010-03-04 Mike Stump <mikestump@comcast.net>
1038 * Makefile.in (TAGS): Remove *.y.
1040 2010-03-04 Richard Guenther <rguenther@suse.de>
1042 PR tree-optimization/40761
1043 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
1045 (my_rev_post_order_compute): New function.
1046 (init_pre): Call it.
1048 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
1051 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
1052 decrease the cost of an IV candidate when the cost is infinite.
1054 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1056 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
1057 Use '3DNow!' for the extension of that name, ensure normal space
1059 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
1061 2010-03-03 Jeff Law <law@redhat.com>
1063 * PR middle-end/32693
1064 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
1065 than gen_rtx_SUBREG.
1066 (extract_bit_field_1): Likewise.
1068 2010-03-03 Janis Johnson <janis187@us.ibm.com>
1070 * doc/sourcebuild.texi (Test directives): Document that arguments
1071 include-opts and exclude-opts are now optional for dg-skip-if,
1072 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
1074 2010-03-03 Jason Merrill <jason@redhat.com>
1077 * cgraph.h (varpool_node): Add extra_name field.
1078 * varpool.c (varpool_extra_name_alias): New.
1079 (varpool_assemble_decl): Emit extra name aliases.
1080 (varpool_mark_needed_node): Look past an extra name alias.
1081 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
1082 * lto-streamer-in.c (lto_input_tree): Read it.
1083 * lto-streamer-out.c (output_unreferenced_globals): Write it.
1085 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
1087 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
1088 (sparc*-*-solaris2*): ...this.
1090 2010-03-03 Jakub Jelinek <jakub@redhat.com>
1093 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
1094 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
1095 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
1096 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
1099 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
1100 fallthrough to default handling, just with want_address 0 instead of 2.
1101 For single element lists, add_AT_loc directly, otherwise create an
1102 artificial variable DIE and stick location list to it.
1105 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
1106 (VAL_EXPR_HAS_REVERSE): Define.
1107 (reverse_op): New function.
1108 (add_stores): For reversible operations add an extra MO_VAL_USE.
1110 2010-03-02 Jason Merrill <jason@redhat.com>
1112 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
1114 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
1116 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
1117 (sparc64-*-linux*): Likewise.
1118 (sparc64-*-solaris2*): Include assembler files before linker ones.
1119 (sparc-*-solaris2*): Simplify and reorder to match previous case.
1120 * config/sparc/gas.h: Delete.
1121 * config/sparc/sol2-64.h: Add copyright notice.
1122 * config/sparc/sol2-gas-bi.h: Likewise.
1123 * config/sparc/sol2-gld.h: Likewise.
1124 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
1125 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
1126 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
1127 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
1128 (sparc_elf_asm_named_section): Rename into...
1129 (sparc_solaris_elf_asm_named_section): ...this. Always define.
1131 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
1133 * config/alpha/alpha.c (override_options): Fix -mtune error message.
1135 2010-03-02 Jeff Law <law@redhat.com>
1138 * reload1.c (rtx_p, substitute_stack): Declare.
1139 (substitute): Record addresses of changed rtxs.
1140 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
1141 Restore the original rtx when complete.
1142 (reload): Free subsitute_stack when complete.
1144 2010-03-02 Janis Johnson <janis187@us.ibm.com>
1146 * doc/gccint.texi (menu): Add Testsuites as a chapter.
1147 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
1149 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
1150 LTO Testing, gcov Testing, profopt Testing, compat Testing,
1151 Torture Tests): Change from subsection to section.
1153 2010-03-02 Jakub Jelinek <jakub@redhat.com>
1154 Steven Bosscher <steven@gcc.gnu.org>
1156 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
1159 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
1162 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
1163 the assignment from the new induction variable to the assignment
1164 of the value from the original loop PHI function.
1166 2010-03-01 Janis Johnson <janis187@us.ibm.com>
1167 Daniel Jacobowitz <dan@codesourcery.com>
1169 * doc/sourcebuild.texi (Test directives): Clarify options to
1172 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1174 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
1175 Disable cfi directives unless GCC and gas agree on using read-only
1176 .eh_frame sections for 64-bit.
1177 * configure: Regenerate.
1179 2010-03-01 Richard Guenther <rguenther@suse.de>
1181 PR tree-optimization/43220
1182 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
1183 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
1185 2010-03-01 Richard Guenther <rguenther@suse.de>
1186 Martin Jambor <mjambor@suse.cz>
1189 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
1190 gimplified parameters.
1192 2010-03-01 Christian Bruel <christian.bruel@st.com>
1194 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
1196 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
1198 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
1200 2010-03-01 Richard Guenther <rguenther@suse.de>
1203 * expr.c (expand_assignment): Use the alias-oracle to tell
1204 if the rhs aliases the result decl.
1206 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1209 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
1210 to sol_gt_pch_get_address.
1211 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
1212 64-bit, SPARC and x86.
1213 (sol_gt_pch_get_address): New function.
1215 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
1217 * toplev.h (inform_n, error_n): Declare.
1218 * diagnostic.c (inform_n, error_n): New function.
1220 2010-03-01 Jakub Jelinek <jakub@redhat.com>
1222 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
1223 has no rtl yet when processing local_decls, queue it and recheck
1224 if deferred stack allocation hasn't assigned it rtl.
1226 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
1228 * config/sh/sh.c (unspec_bbr_uid): New.
1229 (gen_block_redirect): Use it instead of INSN_UID.
1230 (gen_far_branch): Likewise.
1232 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
1234 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
1235 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
1237 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1239 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
1240 (Warning Options): -Wno-conversion-null is valid for
1241 Objective-C++ as well.
1242 * doc/tm.texi (Named Address Spaces): Likewise.
1243 * doc/plugins.texi (Plugins): Replace TABs with spaces.
1244 * doc/tree-ssa.texi (Tree SSA): Likewise.
1246 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
1249 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
1250 by default. Don't set the default arch for
1251 i[34567]86-*-darwin*|x86_64-*-darwin*.
1253 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
1256 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
1257 default. Set the default 32bit/64bit archs with $with_arch
1258 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
1260 2010-02-27 Richard Guenther <rguenther@suse.de>
1262 PR tree-optimization/43186
1263 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
1264 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
1265 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
1266 unroller iterations.
1268 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
1270 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
1271 required and i[34567]86-*-* targets don't support 64bit ISA.
1273 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
1276 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
1279 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
1281 * config.gcc: Set the default arch at least to Prescott for
1282 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
1283 if SSE math is enabled.
1285 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
1287 * diagnostic.c (diagnostic_initialize): Update.
1288 (diagnostic_report_diagnostic): Test inhibit_notes_p for
1290 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
1291 (diagnostic_inhibit_notes): New.
1292 * toplev.c (process_options): inhibit notes with -fcompare-debug.
1294 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
1297 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
1298 * doc/standards.texi: Likewise.
1299 * doc/extend.texi: Likewise.
1300 * doc/trouble.texi: Likewise.
1301 * doc/cppopts.texi: Likewise.
1302 * doc/install.texi: Likewise.
1303 * c.opt (std=c90,std=gnu90): New options.
1304 * c-opts.c (c_common_handle_option): Handle them.
1306 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
1309 * c-decl.c (undeclared_variable): Use an informative note.
1311 2010-02-26 Richard Guenther <rguenther@suse.de>
1313 PR tree-optimization/43186
1314 * gimple.h (gimple_fold): Remove.
1315 * gimple.c (gimple_fold): Remove. Inline into single user ...
1316 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
1317 Try harder for conditions.
1319 2010-02-26 Jakub Jelinek <jakub@redhat.com>
1322 * function.c (used_types_insert): Don't skip through named pointer
1323 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
1324 and it is different from the main variant's type.
1326 2010-02-26 Nick Clifton <nickc@redhat.com>
1328 * config/rx/rx.md (sminsi3): Remove bogus alternative.
1330 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
1332 * config.gcc: Support --with-fpmath=sse for x86.
1334 * config/i386/ssemath.h: New.
1336 * doc/install.texi (--with-fpmath=sse): Documented.
1338 2010-02-26 Richard Guenther <rguenther@suse.de>
1340 PR tree-optimization/43188
1341 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
1342 vector types of over-aligned element type.
1344 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
1347 * config/i386/i386.c (expand_vec_perm_blend): Use correct
1348 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
1350 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
1352 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
1354 2010-02-26 Jakub Jelinek <jakub@redhat.com>
1356 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
1357 * var-tracking.c: Include diagnostic.h.
1358 (debug_dv): New function.
1359 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
1362 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
1363 (add_value_chain, add_value_chains, remove_value_chain,
1364 remove_value_chains): Handle DEBUG_EXPRs.
1365 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
1368 * regcprop.c (struct queued_debug_insn_change): New type.
1369 (struct value_data_entry): Add debug_insn_changes field.
1370 (struct value_data): Add n_debug_insn_changes field.
1371 (debug_insn_changes_pool): New variable.
1372 (free_debug_insn_changes, apply_debug_insn_changes,
1373 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
1374 (kill_value_one_regno): Call free_debug_insn_changes if needed.
1375 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
1377 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
1379 (copyprop_hardreg_forward_1): Don't call apply_change_group for
1380 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
1381 changes, call cprop_find_used_regs via note_stores.
1382 (copyprop_hardreg_forward): When copying vd from predecessor
1383 which has any queued DEBUG_INSN changes, make sure the pointers are
1384 cleared. At the end call df_analyze and then if there are any
1385 DEBUG_INSN changes queued at the end of some basic block for still
1386 live registers, apply them.
1387 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
1389 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
1391 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
1394 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
1396 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
1397 targets. Set the default with_cpu/with_arch from arch/cpu.
1398 Allow x86-64 and native for with_cpu/with_arch.
1400 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
1402 * ebitmap.c: Change calls to verify_popcount with calls to
1403 sbitmap_verify_popcount.
1404 (ebitmap_clear_bit): Fixed map->cacheindex test and
1405 map>cache update when bit clearing results in an empty
1408 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
1411 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
1412 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
1413 and support both V2DF and V2DI modes.
1414 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
1415 support both V2DF and V2DI modes.
1416 (general): Delete trailing whitespace from a few patterns.
1418 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
1419 V2DF/V2DI interleave high/low builtins.
1421 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
1424 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
1425 interleave high/low functions.
1427 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
1429 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
1430 #pragma extern_prefix.
1432 2010-02-25 Jakub Jelinek <jakub@redhat.com>
1435 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
1436 BLKmode, assert op0 is a MEM and just adjust its mode.
1439 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
1440 if bitpos isn't multiple of mode's bitsize.
1442 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
1444 * c.opt (-ftemplate-depth=): New.
1445 (-ftemplate-depth-): Deprecate.
1446 * optc-gen.awk: Handle -ftemplate-depth=.
1447 * opth-gen.awk: Likewise.
1448 * c-opts.c (c_common_handle_option): Likewise.
1449 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
1451 2010-02-24 Jason Merrill <jason@redhat.com>
1453 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
1455 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1457 * cfg.c (alloc_aux_for_block): Remove inline.
1458 (alloc_aux_for_edge): Likewise.
1460 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1462 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
1464 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1466 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
1467 * config/i386/sol2-gas.h: New file.
1468 * config.gcc (i[34567]86-*-solaris2*): Use it.
1470 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
1473 * c-typeck.c (ep_convert_and_check): New.
1474 (build_conditional_expr): Use it.
1475 (build_binary_op): Likewise.
1477 2010-02-24 Jakub Jelinek <jakub@redhat.com>
1479 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
1482 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
1483 bounds even for -O+.
1484 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
1485 expr needs to have DECL_NAME set.
1487 2010-02-24 Nick Clifton <nickc@redhat.com>
1489 * config/mep/mep.c: Include gimple.h.
1490 (mep_function_uses_sp): Delete unused function.
1491 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
1492 parameters. Use unsigned integers to count args. Return a
1493 NULL_RTX instead of an error_mark_node. Toidy up formatting.
1495 2010-02-23 Jakub Jelinek <jakub@redhat.com>
1498 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
1499 greater or equal to nelt instead of 2 * nelt.
1500 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
1503 2010-02-23 Jason Merrill <jason@redhat.com>
1506 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
1507 in cfun->local_decls even if they have register types.
1510 * stor-layout.c (place_field): Don't warn about unnecessary
1511 DECL_PACKED if the type is packed.
1513 2010-02-23 Jakub Jelinek <jakub@redhat.com>
1516 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
1517 GOTOFF relocs, even when the base reg isn't pic pointer.
1519 2010-02-23 Michael Matz <matz@suse.de>
1522 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
1523 (expand_gimple_basic_block): Generate and use debug temps if there
1524 are debug uses left after the last real use of TERed ssa names.
1525 Unlink debug immediate uses when they are expanded.
1527 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
1530 * config/i386/i386.c (override_options): Reorganise to provide
1531 better error messages.
1533 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
1536 * graphite-scop-detection.c (create_single_exit_edge): Move
1537 the call to find_single_exit_edge to....
1538 (create_sese_edges): ...here. Don't handle multiple edges
1539 exiting the function.
1540 (build_graphite_scops): Don't handle multiple edges
1541 exiting the function.
1543 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
1546 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
1547 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
1549 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
1552 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
1554 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
1557 * c-typeck.c (convert_arguments): Print declaration location.
1558 * c-common.c (validate_nargs): Rename as
1559 builtin_function_validate_nargs.
1560 (check_builtin_function_arguments): Update.
1562 2010-02-22 Richard Guenther <rguenther@suse.de>
1565 * tree-inline.c (declare_return_variable): Use the type of
1566 the call stmt lhs if available.
1568 2010-02-22 Duncan Sands <baldrick@free.fr>
1570 * passes.c (register_pass): Always consider all pass lists when
1571 ref_pass_instance_number is zero.
1573 2010-02-22 Richard Guenther <rguenther@suse.de>
1575 PR tree-optimization/42749
1576 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
1577 parameter. Do arithmetic in the original type.
1578 (update_accumulator_with_ops): Likewise.
1579 (adjust_accumulator_values): Adjust.
1581 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1583 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
1584 (QI to BLKmode splitter): New splitter.
1586 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
1588 * config/i386/i386.c (initial_ix86_tune_features): Turn on
1589 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
1591 2010-02-22 Richard Guenther <rguenther@suse.de>
1593 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
1595 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
1597 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
1598 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
1599 ($(T)crti.o, $(T)crtn.o): Remove rules.
1601 2010-02-21 Tobias Burnus <burnus@net-b.de>
1604 * doc/invoke.texi (-fassociative-math): Document that this
1605 option is automatically enabled for Fortran.
1607 2010-02-20 David S. Miller <davem@davemloft.net>
1609 * configure.ac: Test if linker and assembler properly support
1610 GOTDATA_OP relocations.
1611 * configure: Rebuild.
1612 * config.in: Likewise.
1613 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
1614 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
1615 (movsi_high_pic): Likewise.
1616 (movdi_lo_sum_pic): Likewise.
1617 (movdi_high_pic): Likewise.
1618 (movsi_pic_gotdata_op): New pattern.
1619 (movdi_pic_gotdata_op): Likewise.
1620 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
1621 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
1623 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
1626 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
1627 attribute to ssemul.
1628 (xop_mulv2div2di3_high): Ditto.
1630 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
1633 * c.opt (Wconversion-null): New option.
1634 * doc/invoke.texi (Wconversion-null): Document.
1636 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
1638 * common.opt (Wlarger-than-): Add Undocumented.
1640 2010-02-19 Mike Stump <mikestump@comcast.net>
1642 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
1644 2010-02-19 Jason Merrill <jason@redhat.com>
1647 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
1648 * configure: Likewise.
1650 2010-02-20 Alan Modra <amodra@gmail.com>
1653 * cgraph.h (cgraph_make_decl_local): Declare.
1654 * cgraph.c (cgraph_make_decl_local): New function.
1655 (cgraph_make_node_local): Use it.
1656 * cgraphunit.c (cgraph_function_versioning): Likewise.
1657 * ipa.c (function_and_variable_visibility): Likewise.
1659 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1662 * except.c (sjlj_emit_function_enter): Don't call
1663 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
1665 * rtl.h (add_reg_br_prob_note): Remove prototype.
1667 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
1670 * c-common.c (conversion_warning): Remove widening conversions
1671 before checking the conversion of integers to reals.
1673 2010-02-19 Mike Stump <mikestump@comcast.net>
1676 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
1679 * cgraphunit.c (process_function_and_variable_attributes): Check
1680 DECL_PRESERVE_P instead of looking up attribute "used".
1681 * ipa-pure-const.c (check_decl): Likewise.
1682 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
1683 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
1684 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
1685 instead of attribute "used".
1686 * config/sol2-c.c (solaris_pragma_init): Likewise.
1687 (solaris_pragma_fini): Likewise.
1689 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1691 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
1692 Use XCNEW instead of xcalloc.
1693 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
1694 XNEW instead of xmalloc.
1695 (get_fields): Use XNEWVEC instead of xmalloc.
1698 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
1699 populate vars array.
1700 (create_new_general_access): For debug stmts just reset value.
1701 (get_stmt_accesses): For accesses within debug stmts just record them
1702 using add_access_to_acc_sites instead of preventing the peeling or
1703 counting them as accesses.
1706 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
1708 2010-02-19 Richard Guenther <rguenther@suse.de>
1710 PR tree-optimization/42916
1711 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
1714 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
1716 * configure.ac: Replace all uses of changequote in macro arguments
1717 with proper quoting.
1719 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1722 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
1724 2010-02-19 Richard Guenther <rguenther@suse.de>
1726 PR tree-optimization/42944
1727 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
1728 test for aliasing with errno.
1730 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1733 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
1734 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
1735 * dojump.c: Include output.h.
1736 (inv): New inline function.
1737 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
1738 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
1739 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
1740 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
1741 argument, pass it down to other calls.
1742 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
1743 add REG_BR_PROB note to the conditional jump.
1744 * cfgexpand.c (add_reg_br_prob_note): Removed.
1745 (expand_gimple_cond): Don't call it, add the probability
1746 as last argument to jumpif_1/jumpifnot_1.
1747 * Makefile.in (dojump.o): Depend on output.h.
1748 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
1750 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
1751 * stmt.c (do_jump_if_equal): Likewise.
1752 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
1753 * loop-unswitch.c (compare_and_jump_seq): Likewise.
1754 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
1756 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
1757 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
1758 jumpifnot_1 callers.
1759 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
1761 (store_expr): Adjust jumpifnot caller.
1762 (store_constructor): Adjust jumpif caller.
1765 * gimplify.c (gimple_boolify): For __builtin_expect call
1766 gimple_boolify also on its first argument.
1768 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
1770 * configure.ac (gnu-unique-object): Wrap regexps using [] in
1772 (__stack_chk_fail): Ditto. Remove quadrigraphs.
1773 * configure: Regenerated.
1775 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1777 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
1778 lang_hooks.types_compatible_p instead of comptypes.
1780 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
1782 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
1783 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
1784 if __prefer_thumb__ is defined.
1786 2010-02-18 Martin Jambor <mjambor@suse.cz>
1788 PR tree-optimization/43066
1789 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
1790 array with zero-sized element type.
1792 2010-02-18 Jakub Jelinek <jakub@redhat.com>
1794 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
1795 rtx, allocate struct var_loc_node here and return it to the
1796 caller, and only if it is actually needed.
1797 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
1798 move it earlier and return immediately if it returns NULL.
1800 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
1802 * config/sparc/gas.h: New file. Restore
1803 TARGET_ASM_NAMED_SECTION to its ELF default.
1804 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
1806 * config/sparc/sparc.c (sparc_elf_asm_named_section):
1807 Likewise. Add ATTRIBUTE_UNUSED to prototype.
1808 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
1809 after sparc/sysv4.h.
1811 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
1813 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
1815 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
1817 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
1818 patterns from predicated pattern.
1820 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
1823 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
1824 for insn mnemonic suffix.
1826 2010-02-17 Richard Guenther <rguenther@suse.de>
1828 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
1831 2010-02-17 Jakub Jelinek <jakub@redhat.com>
1834 * caller-save.c (save_call_clobbered_regs): If BB ends with
1835 a DEBUG_INSN, move any notes in between last real insn and the last
1836 DEBUG_INSN after the last DEBUG_INSN.
1838 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
1840 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
1841 Fix return type. Fix argument type. Explain meaning of return value.
1843 2010-02-16 Richard Guenther <rguenther@suse.de>
1845 PR tree-optimization/41043
1846 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
1847 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
1849 (vrp_visit_phi_node): ... but only for loop PHI nodes.
1851 2010-02-16 Ira Rosen <irar@il.ibm.com>
1853 PR tree-optimization/43074
1854 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
1855 * tree-vect-loop.c (vect_analyze_loop_operations): Add
1856 vectorizable cycles in hybrid SLP check.
1857 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
1859 2010-02-16 Richard Guenther <rguenther@suse.de>
1861 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
1862 (true_dependence): If memrefs_conflict_p computes must-alias
1863 trust it. Move TBAA check after offset-based disambiguation.
1864 (canon_true_dependence): Likewise.
1866 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
1868 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
1869 * doc/invoke.texi: Document it.
1870 * var-tracking.c: Include toplev.h and params.h.
1871 (vt_find_locations): Return bool indicating success. Compute
1872 hash sizes unconditionally. Check new parameter, report.
1873 (variable_tracking_main_1): Check vt_find_locations results and
1874 retry. Renamed from...
1875 (variable_tracking_main): ... this. New wrapper to preserve
1876 flag_var_tracking_assignments.
1877 * Makefile.in (var-tracking.o): Adjust dependencies.
1879 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
1880 Jakub Jelinek <jakub@redhat.com>
1883 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
1884 if weak_import attribute is present.
1885 * config/darwin.c (machopic_select_section): Likewise.
1887 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
1889 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
1890 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
1891 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
1892 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
1894 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument types.
1896 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
1899 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
1900 Rewrite text to refer to the names.
1902 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
1904 * config/i386/i386-builtin-types.def
1905 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
1906 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
1907 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
1908 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
1909 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
1910 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
1911 IX86_BUILTIN_VPERMIL2PS256.
1912 (MULTI_ARG_4_DF2_DI_I): Defined.
1913 (MULTI_ARG_4_DF2_DI_I1): Defined.
1914 (MULTI_ARG_4_SF2_SI_I): Defined.
1915 (MULTI_ARG_4_SF2_SI_I1): Defined.
1916 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
1917 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
1918 __builtin_ia32_vpermil2ps256.
1919 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
1920 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
1921 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
1922 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
1923 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
1924 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
1925 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
1926 CODE_FOR_xop_vpermil2v8sf3.
1927 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
1928 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
1929 * config/i386/xopintrin.h (_mm_permute2_pd): New.
1930 (_mm256_permute2_pd): New.
1931 (_mm_permute2_ps): New.
1932 (_mm256_permute2_ps): New.
1934 2010-02-15 Nick Clifton <nickc@redhat.com>
1936 * config/h8300/h8300.c: (h8300_push_pop): Use bool type for
1937 boolean parameters. Use emit_jump_insn when emitting a pop
1938 instruction containing a return insn.
1939 (push): Use 'true' rather than '1' as second parameter to F.
1940 (h8300_expand_prologue): Likewise.
1941 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
1942 (h8300_expand_epilogue): Likewise.
1944 2010-02-15 Richard Guenther <rguenther@suse.de>
1947 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
1950 2010-02-15 Nick Clifton <nickc@redhat.com>
1952 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
1955 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
1957 * intl.c (fake_ngettext): New function.
1958 * intl.h (fake_ngettext): Declare.
1959 (ngettext): Define macro.
1960 * collect2.c (notice_translated): New function.
1961 (main): Use notice_translated and ngettext.
1962 * collect2.h (notice_translated): Declare.
1964 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
1966 * reorg.c (delete_computation): Comment fixes.
1967 * caller-save.c (setup_save_areas): Idem.
1968 * sel-sched-dump.c (dump_lv_set): Idem.
1971 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1973 * config/s390/s390.c (s390_sched_init): New function.
1974 (TARGET_SCHED_INIT): Target hook defined.
1976 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
1977 Jack Howarth <howarth@bromo.med.uc.edu>
1978 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1981 Partial revert of unintended change in fix for PR41605.
1982 * config/darwin.h: Fix typo.
1983 * config/darwin9.h: Same.
1985 2010-02-11 Jakub Jelinek <jakub@redhat.com>
1987 * c-pch.c (pch_init): Clear v.
1989 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
1992 * graphite-scop-detection.c (graphite_can_represent_scev): Call
1993 graphite_can_represent_init for MULT_EXPR.
1995 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
1999 * graphite-sese-to-poly.c (remove_phi): New.
2000 (translate_scalar_reduction_to_array): Call remove_phi.
2002 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
2005 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
2006 * graphite-clast-to-gimple.h (gloog): Update declaration.
2007 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
2008 * graphite-poly.h (struct poly_bb): Add missing comments.
2009 (struct scop): Add poly_scop_p field.
2011 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
2012 * graphite.c (graphite_transform_loops): Build the polyhedral
2013 representation for each scop before code generation.
2014 * sese.c (rename_variables_in_operand): Removed.
2015 (rename_variables_in_expr): Return the renamed expression.
2016 (rename_sese_parameters): New.
2017 * sese.h (rename_sese_parameters): Declared.
2019 2010-02-11 Richard Guenther <rguenther@suse.de>
2021 PR tree-optimization/42998
2022 * tree-ssa-pre.c (create_expression_by_pieces): Treat
2023 POINTER_PLUS_EXPR properly.
2025 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
2026 Changpeng Fang <changpeng.fang@amd.com>
2029 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
2030 the cost of an IV candidate when the IV is used in a test against zero.
2032 * gcc.dg/tree-ssa/ivopts-3.c: New.
2034 2010-02-11 Richard Guenther <rguenther@suse.de>
2037 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
2038 pointer-vs-decl case by swapping refs. Handle some cases
2039 of pointer-vs-decl disambiguations more conservatively.
2040 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
2041 to false after expanding.
2043 2010-02-11 Richard Guenther <rguenther@suse.de>
2046 * gcc.c (process_command): Handle LTO file@offset case more
2049 2010-02-11 Jakub Jelinek <jakub@redhat.com>
2051 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
2052 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
2054 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
2056 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
2057 if MEM's mode size isn't DWARF2_ADDR_SIZE.
2058 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
2059 Optimize eq/ne comparisons when both arguments are known to be
2061 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
2062 Don't mask operands unnecessarily if they are known to be already
2065 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
2067 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
2070 2010-02-10 Richard Guenther <rguenther@suse.de>
2072 PR tree-optimization/43017
2073 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
2074 for wrapping signed arithmetic.
2076 2010-02-10 Jakub Jelinek <jakub@redhat.com>
2079 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
2080 if no debug info should be emitted for it.
2082 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
2084 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
2085 note when flag_exceptions is set.
2087 2010-02-10 Duncan Sands <baldrick@free.fr>
2089 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
2091 2010-02-10 Richard Guenther <rguenther@suse.de>
2094 * tree.c (get_unwidened): Handle constants.
2095 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
2097 2010-02-10 Martin Jambor <mjambor@suse.cz>
2100 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
2101 check for variable argument counts independently.
2103 2010-02-10 Christian Bruel <christian.bruel@st.com>
2106 * config/sh/sh.c (find_barrier): Increase length for non delayed
2107 conditional branches.
2109 2010-02-10 Christian Bruel <christian.bruel@st.com>
2111 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
2113 2010-02-10 Jakub Jelinek <jakub@redhat.com>
2115 * builtins.c (set_builtin_user_assembler_name): Also handle
2116 ffs if int is smaller than word.
2118 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
2121 * ira-conflicts.c (get_dup): Remove.
2122 (process_reg_shuffles): Add new parameter. Use it as an
2123 additional guard for copy generation.
2124 (add_insn_allocno_copies): Rewrite.
2126 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
2128 * common.opt (fsched2-use-traces): Preserved for backward
2130 * doc/invoke.texi: Remove the documentation about option
2131 -fsched2-use-traces.
2132 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
2133 flag_sched2_use_traces.
2134 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
2135 the backward compatibility flag section.
2137 2010-02-09 Richard Guenther <rguenther@suse.de>
2139 PR tree-optimization/43008
2140 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
2141 make HEAP variables initialized from global memory if they
2142 are not known builtin functions.
2143 (find_func_aliases): Adjust.
2145 2010-02-09 Richard Guenther <rguenther@suse.de>
2147 PR tree-optimization/43000
2148 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
2149 arithmetic manually.
2151 2010-02-08 Jakub Jelinek <jakub@redhat.com>
2153 PR tree-optimization/42931
2154 * tree-loop-linear.c (try_interchange_loops): Don't call
2155 double_int_mul if estimated_loop_iterations failed.
2157 2010-02-08 Martin Jambor <mjambor@suse.cz>
2160 * tree-sra.c (build_accesses_from_assign): Do not mark in
2161 should_scalarize_away_bitmap if stmt has volatile ops.
2162 (sra_modify_assign): Do not process assigns piecemeal if if stmt
2165 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
2167 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
2169 2010-02-07 Adam Nemet <adambnmet@gmail.com>
2171 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
2174 2010-02-07 Andrew Pinski <pinskia@gmail.com>
2177 * df-core.c (df_finish_pass): Change type of saved_flags to int.
2179 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
2182 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
2183 to unknown_dependence.
2184 (graphite_legal_transform_dr): Handle the unknown_dependence.
2185 (graphite_carried_dependence_level_k): Same.
2187 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
2189 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
2191 2010-02-07 Richard Guenther <rguenther@suse.de>
2194 * expr.c (get_inner_reference): Always initialize *pbitsize.
2196 2010-02-07 Richard Guenther <rguenther@suse.de>
2199 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
2200 new ARRAY_REFs on variable size element or minimal index arrays.
2202 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
2203 gimple_fold_indirect_ref.
2205 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
2208 * arm.c (arm_override_options): Just return if the user has specified
2209 an invalid fpu name.
2211 2010-02-03 Jason Merrill <jason@redhat.com>
2214 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
2215 i386_pe_maybe_record_exported_symbol.
2217 2010-02-05 Steve Ellcey <sje@cup.hp.com>
2220 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
2221 (pa_delegitimize_address): New function.
2223 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
2225 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
2226 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
2228 2010-02-05 Richard Guenther <rguenther@suse.de>
2231 * lto-streamer-in.c (get_resolution): Deal with references
2232 to undefined functions.
2234 2010-02-05 Richard Guenther <rguenther@suse.de>
2236 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
2237 (fold_const_aggregate_ref): Likewise.
2238 (ccp_fold_stmt): Substitute loads.
2239 (maybe_fold_reference): Verify types before substituting.
2241 (fold_gimple_assign): Unshare properly.
2242 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
2244 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
2246 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
2247 for rs6000_gen_cell_microcode.
2249 2010-02-04 Richard Guenther <rguenther@suse.de>
2251 PR rtl-optimization/42952
2252 * dse.c (const_or_frame_p): Remove MEM handling.
2254 2010-02-04 Nick Clifton <nickc@redhat.com>
2256 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
2257 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
2258 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
2259 (mn10300_asm_output_mi_thunk): New function.
2260 (mn10300_can_output_mu_thunk): New function.
2261 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
2262 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
2263 (FUNCTION_ARG): Delete incorrect comment.
2265 2010-02-03 Jason Merrill <jason@redhat.com>
2268 * fold-const.c (operand_equal_p): Handle erroneous types.
2270 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
2272 * config/h8300/h8300.md (can_delay): Fix attibute condition.
2274 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
2276 PR rtl-optimization/42941
2277 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
2280 2010-02-03 Jason Merrill <jason@redhat.com>
2283 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
2285 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
2288 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
2289 (cselib_reset_table): Renamed from...
2290 (cselib_reset_table_with_next_value): ... this.
2291 (cselib_get_next_uid): Renamed from...
2292 (cselib_get_next_unknown_value): ... this.
2293 * cselib.c (next_uid): Renamed from...
2294 (next_unknown_value): ... this.
2295 (cselib_clear_table): Adjust.
2296 (cselib_reset_table): Adjust. Renamed from...
2297 (cselib_reset_table_with_next_value): ... this.
2298 (cselib_get_next_uid): Adjust. Renamed from...
2299 (cselib_get_next_unknown_value): ... this.
2300 (get_value_hash): Use hash.
2301 (cselib_hash_rtx): Likewise.
2302 (new_cselib_val): Adjust. Set and dump uid.
2303 (cselib_lookup_mem): Pass next_uid as hash.
2304 (cselib_subst_to_values): Likewise.
2305 (cselib_log_lookup): Dump uid.
2306 (cselib_lookup): Pass next_uid as hash. Adjust.
2307 (cselib_process_insn): Adjust.
2308 (cselib_init): Initialize next_uid.
2309 (cselib_finish): Adjust.
2310 (dump_cselib_table): Likewise.
2311 * dse.c (canon_address): Dump value uid.
2312 * print-rtl.c (print_rtx): Print value uid.
2313 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
2315 (dv_uid): New function, sort of renamed from...
2316 (dv_htab_hash): ... this, reimplemented in terms of it and...
2317 (dv_uid2hash): ... this. New.
2318 (variable_htab_eq): Drop excess assertions.
2319 (tie_break_pointers): Removed.
2320 (canon_value_cmp): Compare uids.
2321 (variable_post_merge_New_vals): Print uids.
2322 (vt_add_function_parameters): Adjust.
2323 (vt_initialize): Reset table. Adjust.
2325 2010-02-03 Richard Guenther <rguenther@suse.de>
2327 PR tree-optimization/42944
2328 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
2329 (call_may_clobber_ref_p_1): Likewise. Properly handle
2330 malloc and calloc clobbering errno.
2332 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
2334 * doc/invoke.texi: Fix name of sched1 dump.
2336 * opts.c (decode_options): Set flag_tree_switch_conversion
2337 only conditionally on optimize >= 2.
2339 * gcse.c: Assorted comment fixes in pass description.
2341 2010-02-03 Anthony Green <green@moxielogic.com>
2343 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
2344 nop padding in order to maintain alignment of storage location of
2345 target function address.
2346 (moxie_trampoline_init): Store target function address at newly
2348 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
2350 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
2352 2010-02-03 Richard Guenther <rguenther@suse.de>
2355 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
2357 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2359 * config.gcc: Reenable check for obsolete targets.
2360 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
2361 mips-sgi-irix6.[0-4]*.
2363 2010-02-02 Nick Clifton <nickc@redhat.com>
2365 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
2366 constant size of 4 as being the same as 0.
2367 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
2368 can take values in the range 0..4.
2370 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
2373 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
2374 as _darwin10_Unwind_FindEnclosingFunction().
2375 * libgcc-libsystem.ver: New.
2377 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
2380 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
2381 implicitly set registers.
2383 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
2385 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
2386 (arm_override_options): Allow automatic selection of the thread
2387 pointer register if thumb2.
2388 (legitimize_pic_address): Improve code sequences for Thumb2.
2389 (arm_call_tls_get_addr): Likewise.
2390 (legitimize_tls_address): Likewise.
2391 * arm.md (pic_load_addr_arm): Delete. Replace with ...
2392 (pic_load_addr_32bit): ... this. New named pattern.
2393 * thumb2.md (pic_load_addr_thumb2): Delete.
2394 (pic_load_dot_plus_four): Delete.
2395 (tls_load_dot_plus_four): New named pattern.
2397 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2400 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
2401 Document fix for TLS bug.
2403 2010-01-31 Richard Guenther <rguenther@suse.de>
2405 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
2406 conservatively correct.
2408 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2412 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2414 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
2416 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2418 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
2420 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
2422 * config.gcc: Adjust order of makefile fragments for mingw targets.
2424 2010-01-31 Richard Guenther <rguenther@suse.de>
2427 * gimplify.c (gimplify_init_constructor): For volatile LHS
2428 initialize a temporary.
2430 2010-01-31 Matthias Klose <doko@ubuntu.com>
2432 * configure.ac: Fix __stack_chk_fail check for cross builds configured
2434 * configure: Regenerate.
2436 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
2438 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
2439 the same alias set and their sizes different constantness.
2440 (aliasing_component_refs_p): Revert 2009-10-24 change.
2442 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2444 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
2447 2010-01-29 Richard Guenther <rguenther@suse.de>
2449 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
2450 Assert we successfully updated the call.
2452 2010-01-29 Jakub Jelinek <jakub@redhat.com>
2454 PR rtl-optimization/42889
2455 * df.h (df_set_bb_dirty_nonlr): New prototype.
2456 * df-core.c (df_set_bb_dirty_nonlr): New function.
2457 * df-scan.c (df_insn_rescan): Call it instead of
2458 df_set_bb_dirty for DEBUG_INSNs.
2460 2010-01-29 Richard Guenther <rguenther@suse.de>
2463 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
2464 quadratic behavior in most cases.
2466 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
2469 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
2470 in the call to gen_x86_movsicc_0_m1.
2472 2010-01-28 Richard Guenther <rguenther@suse.de>
2474 PR tree-optimization/42871
2475 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
2477 2010-01-28 Richard Guenther <rguenther@suse.de>
2479 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
2480 into call arguments.
2482 2010-01-28 Richard Guenther <rguenther@suse.de>
2485 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
2486 the forwarder if the destination is an EH landing pad.
2488 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
2490 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
2491 block list passed to gimple_duplicate_sese_tail.
2492 (parallelize_loops): Avoid parallelization when the function
2494 Avoid parallelization when the preheader is IRREDUCIBLE.
2495 Try to optimize when estimated_loop_iterations_int is unresolved.
2496 Add the loop's location to the dump file.
2497 * tree-cfg.c (add_phi_args_after_redirect): Remove.
2498 (gimple_duplicate_sese_tail): Remove the check for the latch.
2499 Redirect nexits to the exit block.
2500 Remove handling of the incoming edges to the latch.
2501 Redirect the backedge from the copied latch to the exit bb.
2503 2010-01-28 Michael Matz <matz@suse.de>
2506 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
2507 Wrap force_reg into a sequence, emit it before user.
2509 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
2511 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
2513 (arm_legacy_rev): Likewise.
2514 (thumb_legacy_rev): Likewise.
2516 2010-01-27 Jakub Jelinek <jakub@redhat.com>
2518 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
2519 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
2520 on MEM's address failed, try avoid_constant_pool_reference and
2521 recurse if it returned something different.
2522 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
2523 address, try avoid_constant_pool_reference and recurse if it
2524 returned something different.
2525 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
2526 address and avoid_constant_pool_reference returned something
2527 different, don't set have_address.
2529 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
2532 * var-tracking.c (val_store): Add modified argument, obey it.
2534 (count_uses): Move down logging of main.
2535 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
2536 don't need resolution.
2537 (emit_notes_in_bb): Likewise.
2539 2010-01-27 Richard Guenther <rguenther@suse.de>
2542 * tree-inline.c (remap_decl): Delay remapping of SSA name
2543 default definitions until we need them.
2545 2010-01-27 Jakub Jelinek <jakub@redhat.com>
2547 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
2548 (rs6000_delegitimize_address): New function.
2550 * config/s390/s390.c (s390_delegitimize_address): Call
2551 delegitimize_mem_from_attrs.
2554 * tree-inline.c (cannot_copy_type_1): Removed.
2555 (copy_forbidden): Don't forbid copying of functions containing
2556 records/unions with variable length fields.
2558 2010-01-27 Christian Bruel <christian.bruel@st.com>
2562 * config/sh/sh.c (find_barrier): Increase length for non delayed
2563 conditional branches.
2565 2010-01-27 Matthias Klose <doko@ubuntu.com>
2567 * configure.ac (gnu-unique-object): Fix ldd version check.
2568 * configure: Regenerate.
2570 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2572 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
2574 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
2575 Test for HAVE_GNU_AS value.
2577 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2579 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
2580 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
2581 INT64_TYPE): Define.
2582 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
2583 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2584 INT_LEAST64_TYPE): Define.
2585 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
2586 UINT_LEAST64_TYPE): Define.
2587 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
2588 INT_FAST64_TYPE): Define.
2589 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2590 UINT_FAST64_TYPE): Define.
2591 (INTMAX_TYPE, UINTMAX_TYPE): Define.
2592 (INTPTR_TYPE, UINTPTR_TYPE): Define.
2593 (SIG_ATOMIC_TYPE): Define.
2595 2010-01-26 Richard Guenther <rguenther@suse.de>
2597 * df-scan.c (df_scan_set_bb_info): Remove assert.
2598 (df_insn_rescan_debug_internal): Merge asserts.
2599 (df_install_ref): Likewise.
2600 (df_mark_reg): Use bitmap_set_range.
2601 (df_hard_reg_used_p): Remove assert.
2602 (df_hard_reg_used_count): Likewise.
2604 2010-01-26 Richard Guenther <rguenther@suse.de>
2606 PR rtl-optimization/42685
2607 * web.c (web_main): Ignore DEBUG_INSNs.
2609 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
2611 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
2613 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
2614 Fix types of fndecl and arglist parameters.
2616 2010-01-26 Richard Guenther <rguenther@suse.de>
2619 * tree-eh.c (unsplit_eh): Skip debug insns.
2621 2010-01-26 Richard Guenther <rguenther@suse.de>
2623 PR tree-optimization/42250
2624 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
2626 2010-01-26 Jakub Jelinek <jakub@redhat.com>
2629 * omp-low.c (expand_omp_sections): Only use single_pred if
2630 l2_bb is single_pred_p.
2632 2010-01-25 Christian Bruel <christian.bruel@st.com>
2635 * config/sh/sh.c (find_barrier): Increase length for non delayed
2636 conditional branches.
2637 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
2639 2010-01-24 David S. Miller <davem@davemloft.net>
2641 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
2642 define if not using GAS.
2643 * config/sparc/sparc.c (sparc_elf_asm_named_section):
2644 Likewise. Delete SECTION_MERGE code, which is only applicable
2647 2010-01-24 Mark Mitchell <mark@codesourcery.com>
2650 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
2651 mangling of va_list in system headers.
2653 2010-01-23 Toon Moene <toon@moene.org>
2655 * tree-predcom.c (combine_chains): Return NULL, not false.
2657 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
2659 * tree-loop-distribution.c (distribute_loop): Fix declaration and
2660 initialization of variable res to agree with return type.
2662 2010-01-22 Steve Ellcey <sje@cup.hp.com>
2664 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
2665 * tree-sra.c: Add include of expr.h.
2667 2010-01-22 Jakub Jelinek <jakub@redhat.com>
2669 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
2670 insert the debug stmt on the single non-EH edge from the stmt.
2672 2010-01-22 Richard Henderson <rth@redhat.com>
2675 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
2676 the RHS until after generate_subtree_copies has insertted its
2677 code before the current statement.
2679 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
2681 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
2683 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
2685 2010-01-21 Martin Jambor <mjambor@suse.cz>
2687 PR tree-optimization/42585
2688 * tree-sra.c (struct access): New field grp_total_scalarization.
2689 (dump_access): Dump the new field.
2690 (should_scalarize_away_bitmap): New variable.
2691 (cannot_scalarize_away_bitmap): Likewise.
2692 (sra_initialize): Allocate new bitmaps.
2693 (sra_deinitialize): Free new bitmaps.
2694 (create_access_1): New function.
2695 (create_access): Parts moved to create_access_1.
2696 (type_consists_of_records_p): New function.
2697 (completely_scalarize_record): Likewise.
2698 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
2699 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
2700 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
2702 (analyze_all_variable_accesses): Completely scalarize small eligible
2705 2010-01-21 Martin Jambor <mjambor@suse.cz>
2707 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
2709 2010-01-21 Andrew Haley <aph@redhat.com>
2711 * gcc.c (process_command): Move lang_specific_driver before
2712 setting cc_libexec_prefix.
2714 2010-01-21 Richard Guenther <rguenther@suse.de>
2717 * fold-const.c (negate_expr_p): Pretend only negative
2718 real constants are easily negatable.
2720 2010-01-20 Janis Johnson <janis187@us.ibm.com>
2721 Jason Merrill <jason@redhat.com>
2723 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
2724 (TYPE_TRANSPARENT_AGGR): this, for union and record.
2725 * calls.c (initialize argument_information): Handle it.
2726 * c-common.c (handle_transparent_union_attribute): Use new name.
2727 * c-decl.c (finish_struct): Ditto.
2728 * c-typeck.c (type_lists_compatible_p): Ditto.
2729 (convert_for_assignment): Use new name and also handle record.
2730 * function.c (aggregate_value_p): Handle it.
2731 (pass_by_reference): Ditto.
2732 (assign_parm_data_types): Ditto.
2733 * print-tree.c (print_node): Ditto.
2734 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
2735 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
2736 * tree.c (first_field): New fn.
2738 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
2741 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
2742 even when linking statically, for now.
2744 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
2747 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
2748 without a cselib val.
2749 (count_uses): Accept MO_VAL_SET with no val on stores.
2750 (add_stores): Likewise.
2752 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2754 * var-tracking.c (check_value_val): Add a compile time assertion.
2755 (dv_is_decl_p): Simplify.
2756 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
2757 gcc_assert if ENABLE_CHECKING.
2759 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
2762 * var-tracking.c: Include tree-flow.h.
2763 (mem_dies_at_call): New.
2764 (dataflow_set_preserve_mem_locs): Use it.
2765 (dataflow_set_remove_mem_locs): Likewise.
2766 (dump_var): Renamed from dump_variable. Adjust all callers.
2767 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
2768 * Makefile.in (var-tracking.o): Adjust deps.
2770 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
2772 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
2774 2010-01-20 Richard Guenther <rguenther@suse.de>
2776 PR tree-optimization/42717
2777 * tree-ssa-dce.c (get_live_post_dom): Remove.
2778 (forward_edge_to_pdom): Take an arbitrary edge to copy
2779 degenerate PHI args from.
2780 (remove_dead_stmt): Use the first post-dominator even if it
2781 does not contain live statements as redirection destination.
2783 2010-01-20 Richard Guenther <rguenther@suse.de>
2785 * tree-inline.c (estimate_num_insns): Handle EH builtins.
2787 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2789 * sel-sched.c (create_speculation_check): Remove set but not used
2791 (try_transformation_cache): Remove set but not used variable ds.
2792 (calculate_privileged_insns): Remove set but not used variables
2793 cur_insn and min_spec_insn.
2794 (find_best_expr): Remove set but not used variable avail_n.
2795 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
2797 * cgraphunit.c (assemble_thunk): Remove set but not used variable
2799 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
2800 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
2803 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
2806 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
2807 cpu types. Add support for *-sse3 cpu types.
2808 (x86_64-*-*): Ditto.
2810 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2813 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
2814 argument, call initializer_constant_valid_p_1 instead of
2815 initializer_constant_valid_p, pass CACHE to it, return NULL
2816 immediately if first call returns NULL.
2817 (initializer_constant_valid_p_1): New function.
2818 (initializer_constant_valid_p): Use it.
2820 2010-01-20 Thomas Quinot <quinot@adacore.com>
2822 * tree.def (PLACEHOLDER_EXPR): Fix comment.
2824 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2826 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
2827 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
2828 (loc_list_from_tree): Don't handle unsigned division. Handle
2829 signed modulo using DW_OP_{over,over,div,mul,minus}.
2830 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
2831 modulo instead of signed.
2833 2010-01-20 DJ Delorie <dj@redhat.com>
2835 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
2837 (h8300_emit_stack_adjustment): Propogate it.
2839 (h8300_expand_prologue): Likewise.
2840 (h8300_expand_epilogue): Likewise.
2842 2010-01-19 Michael Matz <matz@suse.de>
2844 PR tree-optimization/41783
2845 * tree-data-ref.c (toplevel): Include flags.h.
2846 (dump_data_dependence_relation): Also dump the inputs if the
2847 result will be unknown.
2848 (split_constant_offset_1): Look through some conversions.
2849 * tree-predcom.c (determine_roots_comp): Restart a new chain if
2850 the offset from last element is too large.
2851 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
2852 (reassociate_to_the_same_stmt): Handle vector registers.
2853 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
2855 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
2856 wide_prolog_niters argument, emit widening instructions.
2857 (vect_do_peeling_for_alignment): Adjust caller, use widened
2858 variant of the iteration cound.
2859 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
2861 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2864 * config/arm/neon-testgen.m (emit_automatics): New parameter
2865 features. Adjust for Fixed_return_reg feature.
2866 (test_intrinsic): Call emit_automatics with new feature.
2867 * config/arm/neon.ml: Update copyright years.
2868 (features): New Fixed_return_reg feature.
2869 (ops): Update feature for Vget_low.
2871 2010-01-19 Jakub Jelinek <jakub@redhat.com>
2873 PR tree-optimization/42719
2874 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
2878 * fwprop.c (all_uses_available_at): Return false if def_set dest
2879 is a REG that is used in def_insn.
2881 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
2883 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
2885 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
2888 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
2890 * target.h (struct gcc_target) <secondary_reload>: Change type
2891 of last argument to secondary_reload_info *.
2893 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
2896 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
2897 memory references with unaligned offsets. Remove CQImode handling.
2898 (unaligned_memory_operand): Return 1 for memory references with
2899 unaligned offsets. Remove CQImode handling.
2901 2010-01-18 Richard Guenther <rguenther@suse.de>
2904 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
2907 2010-01-18 Richard Guenther <rguenther@suse.de>
2909 PR tree-optimization/42781
2910 * tree-ssa-structalias.c (find_what_var_points_to): Skip
2911 restrict processing only if the original variable was artificial.
2913 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
2915 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
2916 find number of popped argument bytes.
2918 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
2919 Fix the text that describes the return value for invalid insns.
2921 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
2923 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
2924 Clarify what 'cost of the -dependence' is. Fix quoting.
2926 * toplev.c (default_get_pch_validity): Rename argument to "sz".
2927 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
2929 2010-01-17 Jakub Jelinek <jakub@redhat.com>
2931 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
2932 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
2934 2010-01-17 Richard Guenther <rguenther@suse.de>
2937 * function.c (split_complex_args): Take a VEC to modify.
2938 (assign_parms_augmented_arg_list): Build a VEC instead of
2939 a chain of PARM_DECLs.
2940 (assign_parms_unsplit_complex): Take a VEC of arguments.
2941 Do not fixup unmodified parms.
2942 (assign_parms): Deal with the VEC.
2943 (gimplify_parameters): Likewise.
2945 2010-01-17 Richard Guenther <rguenther@suse.de>
2947 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
2948 node existence check.
2949 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
2950 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
2951 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
2952 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
2953 (gimple_execute_on_growing_pred): Likewise.
2955 2010-01-17 Richard Guenther <rguenther@suse.de>
2957 PR tree-optimization/42773
2958 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
2959 (compute_antic_aux): Likewise.
2960 (compute_partial_antic_aux): Likewise.
2962 2010-01-17 Jie Zhang <jie.zhang@analog.com>
2965 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
2968 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
2970 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
2973 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
2974 Fix markup for strict argument.
2976 (TARGET_SCHED_REORDER2): Fix argument types.
2978 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
2979 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
2981 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
2982 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
2984 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
2987 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
2988 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
2989 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
2990 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
2991 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
2993 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
2995 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
2997 (TARGET_ASM_RELOC_RW_MASK): Add return type.
2998 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
3000 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
3002 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
3005 (TARGET_ASM_NAMED_SECTION): Fix argument list.
3007 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
3008 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
3010 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
3012 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
3014 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
3015 referring to it. Fix language.
3017 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
3019 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
3021 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
3023 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
3025 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
3026 '@var{stream}. Remove stray 'and'.
3028 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
3030 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
3032 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
3034 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
3035 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
3037 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
3038 Fix description of return value.
3039 Rename argument "sz" to "len."
3041 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
3042 Clarify meaning of 'true' return value.
3044 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
3046 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
3047 rep_mode versus mode_rep.
3049 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
3051 (TARGET_BUILTIN_DECL): Fix name.
3053 (TARGET_COMMUTATIVE_P): Fix type of first argument.
3055 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
3057 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
3059 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
3061 (TARGET_RELAXED_ORDERING): Use @deftypevr.
3063 (TARGET_GET_DRAP_RTX): Note that this is a hook.
3066 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
3067 Rename argument tm_fn to md_fn.
3069 (TARGET_OPTION_PRINT): Fix argument list.
3071 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
3074 * config/i386/i386.c (ix86_fixup_binary_operands):
3075 Revert FMA4 fixup of operands.
3077 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3080 * Makefile.in (write_entries_to_file, install-plugin):
3081 Use \012 instead of \n with tr.
3083 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
3085 * configure.ac (HAVE_AS_REF): New C macro.
3086 * configure: Regenerate.
3087 * config.in: Likewise.
3088 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
3090 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
3093 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
3095 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
3097 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
3099 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
3101 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
3103 (TARGET_IN_SMALL_DATA_P): Fix argument type.
3105 (TARGET_BINDS_LOCAL_P): Fix argument type.
3107 (TARGET_ASM_FILE_END): Use prototype.
3109 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
3111 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
3113 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
3115 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
3117 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
3118 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
3120 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
3121 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
3123 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
3124 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
3125 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
3126 (TARGET_ADDR_SPACE_CONVERT): Likewise.
3128 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
3130 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
3132 (TARGET_INIT_BUILTINS): Use prototype.
3134 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
3135 Put 'const char *' in braces. Fix parameter types.
3136 (TARGET_INVALID_CONVERSION): Fix parameter types.
3137 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
3138 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
3140 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
3143 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
3145 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
3147 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
3149 * doc/tm.texi (TARGET_HELP): Fix return type.
3151 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
3152 in braces. Fix argument types.
3154 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
3156 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
3158 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
3160 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
3161 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
3163 (TARGET_MANGLE_TYPE): Fix argument types.
3165 (TARGET_IRA_COVER_CLASSES): Use prototype.
3167 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
3169 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
3171 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
3173 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
3175 (TARGET_CALLEE_COPIES): Fix argument types.
3177 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
3179 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
3181 (TARGET_FUNCTION_VALUE): Fix argument types.
3183 (TARGET_RETURN_IN_MSB): Fix argument type.
3185 (TARGET_RETURN_IN_MEMORY): Fix argument types.
3187 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
3189 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
3191 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
3192 agree with return type.
3194 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
3196 2010-01-15 Jing Yu <jingyu@google.com>
3198 PR rtl-optimization/42691
3199 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
3200 a pseudo to a constant and are merged, and adjust comments.
3202 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
3204 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
3206 2010-01-15 Richard Guenther <rguenther@suse.de>
3209 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
3210 labels of computed or non-local gotos to the destination.
3211 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
3212 landing pad label is the first label.
3214 2010-01-15 Richard Guenther <rguenther@suse.de>
3216 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
3218 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
3221 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
3222 to allow generation of the xssqrtdp instruction on power7.
3223 (sqrtdf2_fpr): Ditto.
3225 2010-01-14 Jakub Jelinek <jakub@redhat.com>
3228 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
3229 functions with noreturn attribute.
3232 * varasm.c (declare_weak): Add weak attribute to decl if it
3233 doesn't have one already.
3234 (assemble_external): Only add decls to weak_decls if they also
3235 have weak attribute.
3237 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
3239 * var-tracking.c (var_reg_delete): Don't delete the association
3240 between REGs and values or one-part variables if the register
3243 2010-01-14 Jakub Jelinek <jakub@redhat.com>
3246 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
3247 because its first operand is a non-localized variable.
3249 2010-01-14 Martin Jambor <mjambor@suse.cz>
3251 PR tree-optimization/42706
3252 * tree-sra.c (encountered_recursive_call): New variable.
3253 (encountered_unchangable_recursive_call): Likewise.
3254 (sra_initialize): Initialize both new variables.
3255 (callsite_has_enough_arguments_p): New function.
3256 (scan_function): Call decl and flags check only for IPA-SRA, check
3257 whether there is a recursive call and whether it has enough arguments.
3258 (all_callers_have_enough_arguments_p): New function.
3259 (convert_callers): Look for recursive calls only when
3260 encountered_recursive_call is set.
3261 (ipa_early_sra): Bail out either if
3262 !all_callers_have_enough_arguments_p or
3263 encountered_unchangable_recursive_call.
3265 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3267 * sel-sched.c: Add 2010 to copyright years.
3268 * sel-sched-ir.c: Likewise.
3269 * sel-sched-ir.h: Likewise.
3271 2010-01-14 Martin Jambor <mjambor@suse.cz>
3273 PR tree-optimization/42714
3274 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
3275 constructors specially.
3277 2010-01-14 Andi Kleen <ak@linux.intel.com>
3279 * config/i386/drivers-i386.c (detect_caches_intel):
3280 Add l2sizekb parameter and fill in.
3281 (host_detect_local_cpu): Add l2sizekb, fill in.
3282 Add Atom small cache heuristic.
3284 2010-01-14 Andi Kleen <ak@linux.intel.com>
3286 * config/i386/drivers-i386.c (detect_caches_cpuid4):
3287 Add level3 parameter and fill in.
3288 (detect_caches_intel): Handle level3 cache.
3290 2010-01-14 Andi Kleen <ak@linux.intel.com>
3292 * config/i386/drivers-i386.c (host_detect_local_cpu):
3293 Fix core duo detection.
3295 2010-01-14 Andi Kleen <ak@linux.intel.com>
3297 * config/i386/drivers-i386.c (host_detect_local_cpu):
3300 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3302 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
3303 (rs6000_variable_issue_1): this. Use...
3304 (rs6000_variable_issue): here. Reimplement. Print debug info.
3306 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3308 * sel-sched-ir.c (sel_restore_other_notes): Rename to
3309 sel_restore_notes. Update all callers. Call reemit_notes
3312 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3314 PR rtl-optimization/42246
3315 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
3318 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3320 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
3321 all successors is the same as number of successors in current region.
3323 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3325 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
3326 to rename is not separable. Otherwise check that its LHS is not NULL.
3328 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3330 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
3332 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3334 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
3335 available registers when failed to discover LHS register class.
3336 Fix indentation. Update comment.
3338 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3339 Alexander Monakov <amonakov@ispras.ru>
3341 PR rtl-optimization/42389
3342 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
3344 (advance_state_on_fence): Likewise.
3345 (sel_target_adjust_priority): Print debug output only when
3346 sched_verbose >= 4, not 2.
3347 (get_expr_cost): Do not issue all unique insns on the next cycle.
3348 (fill_insns): Initialize can_issue_more from the value saved
3350 * sel-sched-ir.c (flist_add): New parameter issue_more.
3351 Init FENCE_ISSUE_MORE with it.
3352 (merge_fences): Likewise.
3353 (init_fences): Update call to flist_add.
3354 (add_to_fences, add_clean_fence_to_fences)
3355 (add_dirty_fence_to_fences): Likewise.
3356 (move_fence_to_fences): Update call to merge_fences.
3357 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
3359 * sel-sched-ir.h (struct _fence): New field issue_more.
3360 (FENCE_ISSUE_MORE): New accessor macro.
3362 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3364 PR rtl-optimization/42388
3365 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
3366 that have no predecessors nor successors. Do not call move_bb_info
3367 for empty blocks outside of current region.
3369 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3371 PR rtl-optimization/42294
3372 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
3373 * sel-sched.c (move_exprs_to_boundary): Transitively add all
3374 originators' originators.
3376 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3378 PR rtl-optimization/39453
3379 PR rtl-optimization/42246
3380 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
3382 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
3384 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3385 Alexander Monakov <amonakov@ispras.ru>
3388 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
3389 (maybe_tidy_empty_bb): ... here. Make static. Add new
3390 argument. Update all callers.
3391 (tidy_control_flow): ... and here. Recompute topological order
3392 of basic blocks in region if necessary.
3393 (sel_redirect_edge_and_branch): Change return type. Return true
3394 if topological order might have been invalidated.
3395 (purge_empty_blocks): Export and move from...
3396 * sel-sched.c (purge_empty_blocks): ... here.
3397 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
3398 (maybe_tidy_empty_bb): Delete prototype.
3399 (purge_empty_blocks): Declare.
3401 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3403 PR rtl-optimization/42249
3404 * sel-sched.c (try_replace_dest_reg): When chosen register
3405 and original register is the same, do not bail out early, but
3406 still check all original insns for validity of replacing destination
3407 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
3410 2010-01-14 Jakub Jelinek <jakub@redhat.com>
3413 Port from no-undefined-overflow branch:
3414 2009-03-09 Richard Guenther <rguenther@suse.de>
3416 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
3418 2010-01-14 Richard Guenther <rguenther@suse.de>
3421 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
3423 2010-01-14 Ira Rosen <irar@il.ibm.com>
3425 PR tree-optimization/42709
3426 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
3427 as scalar type in creation of constant vector operand.
3429 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3432 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
3433 (check-parallel-%): Match `testsuite' directory component only
3436 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
3438 PR translation/39521
3439 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
3442 2010-01-13 Richard Guenther <rguenther@suse.de>
3444 PR tree-optimization/42730
3445 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
3448 2010-01-13 Steve Ellcey <sje@cup.hp.com>
3451 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
3452 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
3455 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
3457 * config/bfin/libgcc-bfin.ver: Regenerate based on current
3458 libgcc-std.ver. Add entries for ___smulsi3_highpart and
3459 ___umulsi3_highpart.
3461 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
3462 rather than schedule_insns if the pass is enabled.
3464 2010-01-13 Martin Jambor <mjambor@suse.cz>
3466 PR tree-optimization/42704
3467 * tree-sra.c (sra_modify_assign): Do not delete assignments to
3470 2010-01-13 Martin Jambor <mjambor@suse.cz>
3472 PR tree-optimization/42703
3473 * tree-sra.c (analyze_access_subtree): Check that we can build a
3474 reference to the original data within the aggregate.
3476 2010-01-13 Richard Guenther <rguenther@suse.de>
3478 PR tree-optimization/42705
3479 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
3481 2010-01-13 Richard Guenther <rguenther@suse.de>
3484 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
3486 2010-01-13 Jakub Jelinek <jakub@redhat.com>
3489 * var-tracking.c (values_to_unmark): New variable.
3490 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
3491 values_to_unmark vector. Moved body to...
3492 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
3493 instead queue it into values_to_unmark vector.
3494 (vt_find_locations): Free values_to_unmark vector.
3496 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
3498 * config/s390/s390.c (override_options): Set
3499 default of max-pending-list-length to 256
3501 2010-01-13 Richard Guenther <rguenther@suse.de>
3504 * tree-pass.h (PROP_gimple_lcx): New.
3505 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
3506 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
3507 before the final cleanup_eh.
3508 (dump_properties): Dump PROP_gimple_lcx.
3509 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
3510 (tree_lower_complex_O0): Remove.
3511 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
3512 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
3513 tree_lower_complex, schedule TODO_update_ssa.
3514 * lto-streamer-out.c (output_function): Stream the functions
3516 * lto-streamer-in.c (input_function): Likewise.
3517 (lto_read_body): Do not override them here.
3519 2010-01-12 Joseph Myers <joseph@codesourcery.com>
3522 * c-typeck.c (build_c_cast): Fold value cast to union type before
3523 wrapping it in a CONSTRUCTOR.
3525 2010-01-12 Jakub Jelinek <jakub@redhat.com>
3527 PR rtl-optimization/42699
3528 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
3531 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3533 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
3534 SUBTARGET_WARN_UNUSED_SPEC): Move ...
3535 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
3536 SUBTARGET_WARN_UNUSED_SPEC): ... here
3537 * config/mips/iris5.h (LIBGCC_SPEC): Define.
3539 2010-01-12 Julian Brown <julian@codesourcery.com>
3541 * config/arm/neon-schedgen.ml (Utils): Don't try to
3542 open missing module.
3543 (find_with_result): New.
3545 2010-01-12 Jakub Jelinek <jakub@redhat.com>
3548 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
3549 sharing when canonicalizing ({lt,ge}u (plus a b) b).
3551 PR tree-optimization/42645
3552 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
3553 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
3554 decl_map, set processing_debug_stmt to -1 and return name without
3557 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
3559 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
3560 binutils version, and reword target configuration description.
3562 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
3564 * config/avr/avr.h (LINKER_NAME): Remove.
3566 2010-01-11 Janis Johnson <janis187@us.ibm.com>
3569 * config/rs6000/rs6000.c (rs6000_override_options): On targets
3570 that support VSX, warn for -mno-altivec if vsx is not disabled,
3573 2010-01-11 Joseph Myers <joseph@codesourcery.com>
3574 Shujing Zhao <pearly.zhao@oracle.com>
3576 PR translation/42469
3577 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
3578 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
3579 character between option name and help text.
3580 * c.opt (imultilib): Likewise.
3582 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
3584 * lto-streamer-out.c (output_unreferenced_globals): Output static
3587 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
3589 PR rtl-optimization/42621
3590 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
3591 optimizing for size.
3592 (duplicate_computed_gotos): Remove now-redundant check.
3594 2010-01-10 Steve Ellcey <sje@cup.hp.com>
3597 * configure.ac: Save and restore LDFLAGS and LIBS
3598 * configure: Regenerate.
3600 2010-01-10 Richard Guenther <rguenther@suse.de>
3603 * builtins.c (fold_builtin_strlen): Add type argument and
3604 convert the resulting length to it.
3605 (fold_builtin_1): Adjust.
3607 2010-01-09 Jakub Jelinek <jakub@redhat.com>
3609 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
3610 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
3612 (num_insns_constant_wide): Adjust for that change.
3614 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3617 * web.c (union_defs): Add used argument, to combine uses of
3619 (entry_register): Adjust type and tests of used argument.
3620 (web_main): Widen used for new use. Pass it to union_defs.
3621 * df.h (union_defs): Adjust prototype.
3623 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3626 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
3627 uses in new incoming argument. Free body.
3628 (reset_debug_uses_in_loop): New.
3629 (analyze_insn_to_expand_var): Call the latter if the former found
3630 anything. Fix whitespace. Reject invalid dest overlaps before
3631 going through all insns in the loop.
3633 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3636 * haifa-sched.c (dying_use_p): Debug insns don't count.
3638 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3641 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
3642 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
3643 (verify_gimple_call): Reject LHS in noreturn calls.
3645 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3649 * tree-vect-loop-manip.c (adjust_info): New type.
3650 (adjust_vec): New pointer to vector.
3651 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
3652 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
3653 (slpeel_update_phis_for_duplicate_loop): Use them.
3654 (slpeel_update_phi_nodes_for_guard1): Likewise.
3655 (slpeel_update_phi_nodes_for_guard2): Likewise.
3656 (slpeel_tree_peel_loop_to_edge): Likewise.
3657 (vect_update_ivs_after_vectorizer): Likewise.
3659 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3661 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
3662 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
3664 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3666 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
3667 bogus uninitialized warning.
3669 2010-01-09 Richard Guenther <rguenther@suse.de>
3672 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
3673 the evolution is compatible with the initial condition.
3675 2010-01-09 Jakub Jelinek <jakub@redhat.com>
3677 * gcc.c (process_command): Update copyright notice dates.
3678 * gcov.c (print_version): Likewise.
3679 * gcov-dump.c (print_version): Likewise.
3680 * mips-tfile.c (main): Likewise.
3681 * mips-tdump.c (main): Likewise.
3683 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
3686 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
3688 (rotlhi3_8): Delete.
3690 (rotlsi3_8): Delete.
3691 (rotlsi3_16): Delete.
3692 (rotlsi3_24): Delete.
3694 (*rotw<mode>3): New.
3695 (*rotb<mode>3): New.
3696 * config/avr/avr.c (avr_rotate_bytes): New function.
3697 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
3699 2010-01-08 Steve Ellcey <sje@cup.hp.com>
3702 * configure.ac: Modify -rdynamic check.
3703 * configure: Regenerate.
3705 2010-01-08 DJ Delorie <dj@redhat.com>
3707 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
3708 register popping order.
3710 2010-01-08 Richard Guenther <rguenther@suse.de>
3713 * c.opt (fsigned-char): Also let LTO handle this option.
3714 (funsigned-char): Likewise.
3716 2010-01-07 Richard Guenther <rguenther@suse.de>
3718 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
3719 (gimple_op): Likewise.
3720 (gimple_op_ptr): Likewise.
3721 (gimple_assign_set_lhs): Remove gcc_assert.
3722 (gimple_assign_set_rhs1): Likewise.
3723 (gimple_assign_set_rhs2): Likewise.
3724 (gimple_call_set_lhs): Likewise.
3725 (gimple_call_set_fn): Likewise.
3726 (gimple_call_set_fndecl): Likewise.
3727 (gimple_call_fndecl): Likewise.
3728 (gimple_call_return_type): Likewise.
3729 (gimple_call_set_chain): Likewise.
3730 (gimple_call_num_args): Likewise.
3731 (gimple_call_set_arg): Likewise.
3732 (gimple_cond_set_code): Likewise.
3733 (gimple_cond_set_lhs): Likewise.
3734 (gimple_cond_set_rhs): Likewise.
3735 (gimple_cond_set_true_label): Likewise.
3736 (gimple_cond_set_false_label): Likewise.
3737 (gimple_label_set_label): Likewise.
3738 (gimple_goto_set_dest): Likewise.
3739 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
3740 (gimple_debug_bind_get_value): Likewise.
3741 (gimple_debug_bind_get_value_ptr): Likewise.
3742 (gimple_debug_bind_set_var): Likewise.
3743 (gimple_debug_bind_set_value): Likewise.
3744 (gimple_debug_bind_reset_value): Likewise.
3745 (gimple_debug_bind_has_value_p): Likewise.
3746 (gimple_return_retval_ptr): Remove gcc_assert.
3747 (gimple_return_retval): Likewise.
3748 (gimple_return_set_retval): Likewise.
3749 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
3750 (safe_referenced_var_iterator): Remove.
3751 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
3752 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
3753 (fill_referenced_var_vec): Remove.
3754 (first_readonly_imm_use): Remove redundant gcc_assert.
3755 (phi_arg_index_from_use): Combine gcc_asserts.
3756 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
3757 (first_imm_use_stmt): Remove redundant gcc_assert.
3758 * tree-cfg.c (verify_gimple_call): Verify function and chain
3759 operands. Verify arguments.
3760 (verify_types_in_gimple_stmt): Verify condition code and labels.
3762 2010-01-07 Richard Guenther <rguenther@suse.de>
3764 PR tree-optimization/42641
3765 * sese.c (rename_map_elt_info): Use the SSA name version, do
3768 2010-01-07 Jakub Jelinek <jakub@redhat.com>
3770 PR tree-optimization/42625
3771 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
3772 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
3774 2010-01-07 Duncan Sands <baldrick@free.fr>
3776 * Makefile.in (PLUGIN_HEADERS): Add version.h.
3778 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
3781 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
3782 note itself is not function_invariant_p.
3784 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
3786 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
3787 Do not add the DF_NOTE problem.
3788 * store-motion.c (execute_rtl_store_motion): Likewise.
3790 2010-01-07 Martin Jambor <mjambor@suse.cz>
3792 PR tree-optimization/42157
3793 * tree-sra.c (compare_access_positions): Stabilize sort if both
3794 accesses have integer types, return zero immediately if they are the
3797 2010-01-06 Richard Henderson <rth@redhat.com>
3800 * haifa-sched.c (add_to_note_list): Merge into ...
3801 (concat_note_lists): ... here, and ...
3802 (unlink_other_notes, rm_other_notes): Merge into...
3803 (remove_notes): ... here. Create REG_SAVE_NOTEs for
3804 NOTE_INSN_EPILOGUE_BEG.
3806 2010-01-06 Richard Guenther <rguenther@suse.de>
3808 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
3809 not inline regular functions into always-inline functions.
3811 2010-01-06 Nick Clifton <nickc@redhat.com>
3813 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
3814 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
3816 (OVERRIDE_OPTIONS): Delete.
3817 (OPTIMIZATION_OPTIONS): Define.
3818 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
3819 * config/rx/rx.c (rx_handle_option): Issue an error message if
3820 -mcpu=rx200 and -fpu are used together.
3821 (rx_set_optimization_options): New function. Issue an error
3822 message if an optimization attribute attempts to reset the FPU/
3823 math optimization pairing.
3824 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
3825 * config/rx/rx.opt: Set the default to 32-bit doubles.
3826 * config/rx/t-rx: Add multilibs for -nofpu option.
3827 * doc/invoke.texi: Update documentation of RX options.
3829 2010-01-06 Richard Guenther <rguenther@suse.de>
3831 * tree-ssa-pre.c (name_to_id): New global.
3832 (alloc_expression_id): Simplify SSA name handling.
3833 (lookup_expression_id): Likewise.
3834 (init_pre): Zero name_to_id.
3835 (fini_pre): Free it.
3837 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
3839 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
3841 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
3844 * config/i386/sse.md (smaxv2di3): New.
3845 (umaxv2di3): Likewise.
3846 (sminv2di3): Likewise.
3847 (uminv2di3): Likewise.
3849 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
3852 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
3853 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
3854 (legitimize_tls_address): Likewise.
3855 (sparc_tls_referenced_p): Likewise.
3856 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
3857 and adjust calls to legitimize_pic_address.
3858 (legitimate_constant_p) Use sparc_tls_referenced_p.
3859 (legitimate_pic_operand_p): Likewise.
3860 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
3861 (sparc_tls_symbol_ref_1): Delete.
3862 (sparc_tls_referenced_p): Make static, recognize specific patterns.
3863 (legitimize_tls_address): Make static, handle CONST patterns.
3864 (legitimize_pic_address): Make static, remove unused parameter and
3865 adjust recursive calls.
3866 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
3867 and adjust call to legitimize_pic_address.
3868 (sparc_output_mi_thunk): Likewise.
3870 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
3871 H.J. Lu <hongjiu.lu@intel.com>
3874 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
3875 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
3876 operands to make them signed.
3879 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
3882 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
3883 GTU to GT for V4SI and V2DI.
3885 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
3886 (umin<mode>3): Removed.
3888 (uminv4si3): Likewise.
3890 2010-01-05 Martin Jambor <mjambor@suse.cz>
3892 PR tree-optimization/42462
3893 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
3894 current_function_decl to helper functions and macros.
3896 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3899 * flags.h: Don't include real.h.
3900 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
3901 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
3902 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
3903 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
3904 * dominance.c: Update copyright.
3905 * gimple.c (walk_gimple_op): Remove inline.
3906 * tree-ssa-reassoc.c: Include real.h.
3907 * Makefile.in (FLAGS_H): Remove $(REAL_H).
3908 (tree-ssa-reassoc.o): Depend on $(REAL_H).
3910 2010-01-05 Nick Clifton <nickc@redhat.com>
3912 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
3913 register to push into the stack frame when the accumulator has to
3914 be saved during interrupts.
3916 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
3918 * doc/invoke.texi: Remove the documentation about option
3920 * common.opt (Wunreachable-code): Preserved for backward
3922 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
3923 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
3924 the backward compatibility flag section.
3926 2010-01-05 Richard Guenther <rguenther@suse.de>
3928 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
3930 2010-01-05 Jakub Jelinek <jakub@redhat.com>
3933 * cfgexpand.c (expand_one_var): Diagnose too large variables.
3935 PR tree-optimization/42508
3936 * tree-sra.c (convert_callers): Check for recursive call
3937 by comparing cgraph nodes instead of decls.
3938 (modify_function): Call ipa_modify_formal_parameters also
3939 on all same_body aliases.
3941 * cgraphunit.c (cgraph_materialize_all_clones): Compare
3942 cgraph nodes when checking for same_body aliases.
3944 2010-01-05 Richard Guenther <rguenther@suse.de>
3946 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
3947 allocation and lookup.
3948 (get_or_alloc_expr_for_constant): Likewise.
3949 (phi_translate): Sink allocation.
3951 2010-01-04 Richard Guenther <rguenther@suse.de>
3953 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
3954 a new entry only if needed.
3955 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
3956 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
3958 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
3960 (phi_translate): Handle CONSTANTs early.
3962 2010-01-04 Martin Jambor <mjambor@suse.cz>
3964 PR tree-optimization/42398
3965 * tree-sra.c (struct access): Removed flag grp_different_types.
3966 (dump_access): Do not dump the removed flag.
3967 (sort_and_splice_var_accesses): Do not set the removed flag.
3968 (sra_modify_expr): Check for type compatibility directly.
3970 2010-01-04 Martin Jambor <mjambor@suse.cz>
3972 PR tree-optimization/42366
3973 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
3974 edges with variable number of parameters.
3975 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
3976 flag instead of asserting it.
3977 (ipa_read_node_info): Read uses_analysis_done flag.
3979 2010-01-04 Richard Guenther <rguenther@suse.de>
3981 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
3982 iterative_hash_* as intended.
3983 (vn_reference_compute_hash): Likewise. Simplify hashing
3985 (vn_reference_lookup_2): Likewise.
3986 (vn_nary_op_compute_hash): Likewise.
3987 (vn_phi_compute_hash): Likewise.
3988 (expressions_equal_p): Remove strange code.
3989 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
3990 (pre_expr_hash): Likewise. Simplify hashing SSA names.
3991 (bitmap_insert_into_set_1): Take value-id as parameter.
3992 (add_to_value): Pass it.
3993 (bitmap_insert_into_set): Likewise.
3994 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
3996 2010-01-04 Jakub Jelinek <jakub@redhat.com>
3999 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
4000 (do_self_spec): For switches with SWITCH_IGNORE set set also
4001 SWITCH_IGNORE_PERMANENTLY.
4002 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
4005 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
4007 * lto-streamer-out.c (output_unreferenced_globals): Output the full
4008 tree of an unreferenced global var.
4010 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
4013 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
4014 GTU to GT for V4SI and V2DI.
4016 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
4017 (umin<mode>3): Removed.
4019 (uminv4si3): Likewise.
4021 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
4024 * collect2.c (main): Turn on trace in collect2 if -v is passed
4027 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
4029 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
4030 description of expression operand.
4032 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
4034 * configure.ac: Add install-html to target_list for Make-hooks.
4035 * configure: Regenerate.
4036 * fortran/Make-lang.in (F95_HTMLFILES): New.
4037 (fortran.html): Use it.
4038 (fortran.install-html): New.
4039 * Makefile.in (install-html): Add lang.install-html.
4040 * java/Make-lang.in (JAVA_HTMLFILES): New.
4041 (java.html): Use it.
4042 (java.install-html): New.
4043 * objc/Make-lang.in (objc.install-html): New.
4044 * objcp/Make-lang.in (obj-c++.install-html): New.
4045 * cp/Make-lang.in (c++.install-html): New.
4046 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
4047 * lto/Make-lang.in (lto.install-html): New.
4049 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
4052 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
4054 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
4056 PR rtl-optimization/41862
4057 * store-motion.c (store_killed_in_insn, compute_store_table,
4058 remove_reachable_equiv_notes, replace_store_insn,
4059 build_store_vectors): Ignore all DEBUG_INSNs.
4061 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
4064 * common.opt: Add dumpdir.
4066 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
4068 (option_map): Add --dumpdir.
4070 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
4072 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
4074 * opts.c (decode_options): Try dump_dir_name first if
4075 dump_base_name isn't an absolute path.
4076 (common_handle_option): Handle OPT_dumpdir.
4078 * toplev.c (dump_dir_name): New.
4079 (print_switch_values): Also ignore -dumpdir.
4081 * toplev.h (dump_dir_name): New.
4083 2010-01-03 Richard Guenther <rguenther@suse.de>
4085 PR tree-optimization/42589
4086 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
4087 double-word expansion of bswap32.
4089 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
4091 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
4092 with BLOCK_FOR_INSN.
4093 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
4094 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
4095 noce_process_if_block): Likewise.
4096 * gcse.c (compute_local_properties, insert_expr_in_table,
4097 insert_set_in_table, canon_list_insert, find_avail_set,
4098 pre_insert_copy_insn): Likewise.
4100 * basic-block.h (BLOCK_NUM): Move from here...
4101 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
4103 2010-01-03 Richard Guenther <rguenther@suse.de>
4105 PR tree-optimization/42438
4106 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
4107 contains_may_not_return_call flag.
4108 (BB_MAY_NOTRETURN): New.
4109 (valid_in_sets): Trapping nary operations are not valid
4110 in blocks that may not return.
4111 (insert_into_preds_of_block): Remove check for trapping expressions.
4112 (compute_avail): Compute also BB_MAY_NOTRETURN.
4114 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
4116 * doc/invoke.texi: Add 2010 to copyright years.
4118 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
4120 * config/sparc/sparc.c: Fix formatting nits.
4122 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
4123 Alexander Monakov <amonakov@ispras.ru>
4125 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
4127 2010-01-02 Richard Guenther <rguenther@suse.de>
4130 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
4131 (simplify_switch_using_ranges): Mark to be removed edges
4134 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4136 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
4138 * collect2.c (scan_libraries): Add missing argument in call to
4141 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
4144 * config/alpha/predicates.md (aligned_memory_operand): Return false
4146 (unaligned_memory_operand): Return true for CQImode.
4147 * config/alpha/alpha.c (get_aligned_mem): Assert that location
4148 doesn not cross aligned SImode word boundary.
4150 2010-01-02 Anatoly Sokolov <aesok@post.ru>
4152 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
4154 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
4155 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
4157 2010-01-02 Richard Guenther <rguenther@suse.de>
4160 * toplev.c (compile_file): Emit LTO marker properly. Change
4162 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
4164 2010-01-01 Richard Guenther <rguenther@suse.de>
4167 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
4169 2010-01-01 Richard Guenther <rguenther@suse.de>
4172 * c-decl.c (grokdeclarator): For zero-size arrays force
4173 structural equality checks as layout_type does.
4175 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
4177 * builtins.c: Update copyright to 2010.
4179 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
4182 * lto-streamer-out.c (produce_asm): Revert the last change.
4183 (copy_function): Likewise.
4185 * lto-streamer.c (lto_get_section_name): Skip any leading
4188 2010-01-01 Richard Guenther <rguenther@suse.de>
4191 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
4195 Copyright (C) 2010 Free Software Foundation, Inc.
4197 Copying and distribution of this file, with or without modification,
4198 are permitted in any medium without royalty provided the copyright
4199 notice and this notice are preserved.