1 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
3 PR rtl-optimization/43413
4 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
7 2010-03-22 James E. Wilson <wilson@codesourcery.com>
10 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
11 call_value_gp,sibcall_gp): Use 's' constraint not 'i'.
13 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
15 * config/i386/i386.c (ix86_target_string): Fix a typo in comments.
18 2010-03-22 Mike Stump <mikestump@comcast.net>
21 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
22 Don't overly align based upon packed packed fields.
24 2010-03-22 Jason Merrill <jason@redhat.com>
26 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
27 Use () rather than [], and move before the element type.
29 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
31 * doc/configfiles.texi (Configuration Files): Removed
32 fixinc/Makefile*, intl/Makefile.*.
33 * doc/makefile.texi: Fixed markup.
34 Abstract from version control system used.
35 (Makefile): Removed obsolete gcc/java/parse.y example.
36 * doc/sourcebuild.texi: Likewise.
37 (Top Level): Added config, gnattools, libdecnumber, libgcc,
40 (Miscellaneous Docs): Clarify location.
41 Added COPYING3, COPYING3.LIB.
42 (Front End Directory): Moved Make-lang.in entry to new
45 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
48 * config/i386/i386.c (x86_function_profiler)
49 [!NO_PROFILE_COUNTERS]: Fix typo.
50 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
53 2010-03-22 Janis Johnson <janis187@us.ibm.com>
54 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
56 * doc/sourcebuild.texi (Test Directives): Split into six
57 subsections, with most of the current text in new subsections
58 Directives, Selectors, and Final Actions.
59 (Directives): Split list of test directives into multiple
61 (Selectors): Describe use and syntax of selectors.
62 (Effective-Target Keywords): Describe all existing keywords.
63 (Add Options): Describe features for dg-add-options.
64 (Require Support): Describe variants of dg-require-support.
65 (Final Actions): Describe commands to use in dg-final.
67 2010-03-22 Michael Matz <matz@suse.de>
70 * recog.c (validate_replace_rtx_group): Replace also in
71 REG_EQUAL and REG_EQUIV notes.
73 2010-03-22 Richard Guenther <rguenther@suse.de>
75 PR tree-optimization/43390
76 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
77 sure vector extracts are type correct.
79 2010-03-22 Richard Guenther <rguenther@suse.de>
82 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
83 x * sqrt (x) even when optimizing for size if the target
84 has native support for sqrt.
86 2010-03-22 Jakub Jelinek <jakub@redhat.com>
88 * varasm.c (make_decl_rtl_for_debug): Also clear
89 flag_mudflap for the duration of make_decl_rtl call.
92 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
93 locs from preserved VALUEs.
95 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
98 * pa.md (movmemsi): Set align to one if zero.
101 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
104 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
105 with their corresponding prologue pushes.
107 2010-03-20 Andrew Pinski <pinskia@gmail.com>
110 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
111 at the begining or end.
112 (spu_expand_epilogue): Likewise.
114 2010-03-20 Richard Guenther <rguenther@suse.de>
116 PR rtl-optimization/43438
117 * combine.c (make_extraction): Properly zero-/sign-extend an
118 extraction of the low part of a CONST_INT. Also handle
121 2010-03-19 Mike Stump <mikestump@comcast.net>
123 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
124 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
125 (override_options): Use SUBTARGET32_DEFAULT_CPU.
127 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
130 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was an
133 2010-03-19 Bernd Schmidt <bernd.schmidt@codesourcery.com>
135 PR rtl-optimization/42258
136 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
137 use that may match DEF.
140 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
141 the cost of loading the constant rather than assuming
143 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
144 outer code is AND, do the same tests as the andsi3 expander and
145 return COSTS_N_INSNS (1) if and is cheap.
147 * optabs.c (avoid_expensive_constant): Fix formatting.
149 2010-03-19 Michael Matz <matz@suse.de>
152 * attribs.c (decl_attributes): When rebuilding a function pointer
153 type use the same qualifiers as the original pointer type.
155 2010-03-19 Martin Jambor <mjambor@suse.cz>
157 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
158 and is_gimple_ip_invariant_address.
160 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
163 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
165 * config/arm/arm.c (arm_override_options): Turn off
166 flag_dwarf2_cfi_asm for AAPCS variants.
168 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
171 * config/arm/arm.c (emit_multi_reg_push): Update comments.
172 Use PRE_MODIFY instead of PRE_DEC.
173 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
174 (vfp_emit_fstmd): Likewise.
176 2010-03-19 Michael Matz <matz@suse.de>
179 * builtins.c (expand_builtin_interclass_mathfn,
180 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
183 2010-03-19 Richard Guenther <rguenther@suse.de>
185 PR tree-optimization/43415
186 * tree-ssa-pre.c (phi_translate): Split out worker to ...
187 (phi_translate_1): ... this.
188 (phi_translate): Move all caching here. Cache all NARY
189 and REFERENCE translations.
191 2010-03-19 David S. Miller <davem@davemloft.net>
193 With help from Eric Botcazou.
194 * config/sparc/sparc.c: Include dwarf2out.h.
195 (emit_pic_helper): Delete.
196 (pic_helper_symbol_name): Delete.
197 (pic_helper_emitted_p): Delete.
198 (pic_helper_needed): New.
199 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
200 (get_pc_thunk_name): New.
201 (load_pic_register): Remove 'delay_pic_helper' arg. Use
202 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
203 Set pic_helper_needed to true. Don't call emit_pic_helper.
204 (sparc_expand_prologue): Update load_pic_register call.
205 (sparc_output_mi_thunk): Likewise.
206 (sparc_file_end): Emit a hidden comdat symbol for the PIC
207 thunk if possible. Output CFI information as needed.
209 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
210 Jack Howarth <howarth@bromo.med.uc.edu>
213 * config/i386/i386.h: Fix ABI on darwin x86-32.
215 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
217 * tree.h: Declare make_decl_rtl_for_debug.
218 * varasm.c (make_decl_rtl_for_debug): New.
219 * dwarf2out.c (rtl_for_decl_location): Call it.
220 * cfgexpand.c (expand_debug_expr): Call it.
222 2010-03-18 Jakub Jelinek <jakub@redhat.com>
225 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
229 * var-tracking.c (vt_init_cfa_base): Do nothing if
230 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed
233 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
236 * var-tracking.c (canonicalize_vars_star): New.
237 (dataflow_post_merge_adjust): Use it.
239 2010-03-18 Jakub Jelinek <jakub@redhat.com>
242 * var-tracking.c (non_suitable_const): New function.
243 (add_uses): For DEBUG_INSNs with constants, don't record any
244 value, instead just the constant value itself.
245 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
246 is not VAR_LOC_UNKNOWN_P, set var to the constant.
247 (emit_notes_in_bb): Likewise.
248 (emit_note_insn_var_location): For onepart variables if
249 cur_loc is a VOIDmode constant, use DECL_MODE.
251 2010-03-18 Martin Jambor <mjambor@suse.cz>
254 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
255 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
256 all non-clones. Moved call redirection...
257 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new
259 (cgraph_materialize_all_clones): Dispose of all
260 combined_args_to_skip bitmaps.
261 (verify_cgraph_node): Do not check for edges pointing to wrong
262 nodes in inline clones.
263 * tree-inline.c (copy_bb): Call
264 cgraph_redirect_edge_call_stmt_to_callee.
265 * ipa.c (cgraph_remove_unreachable_nodes): Call
266 cgraph_node_remove_callees even when there are used clones.
268 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
270 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
272 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
275 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
278 2010-03-18 Michael Matz <matz@suse.de>
281 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
282 into sqrt(x) if we need to preserve signed zeros.
284 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
285 Eric Botcazou <ebotcazou@adacore.com>
287 PR rtl-optimization/43360
288 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
289 note if we don't know its invariant status.
291 2010-03-18 Michael Matz <matz@suse.de>
293 PR tree-optimization/43402
294 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
295 PHI chains of ssa names registered for update.
297 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
300 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
301 non-offsettable and pre_modify update addressing.
302 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
303 and "2" alternatives "#".
304 (*movdd_softfloat32): Make all alternatives "#";
305 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
306 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
307 (*movdf_softfloat32): Make all alternatives "#";
308 (movdi): Use the new DIFD mode iterator to create a common splitter
309 for movdi, movdf and movdd patterns.
311 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
313 * common.opt (dumpdir): Remove redundant tab.
315 2010-03-17 Martin Jambor <mjambor@suse.cz>
317 PR tree-optimization/43347
318 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
319 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
321 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
323 PR rtl-optimization/42216
324 * regrename.c (create_new_chain): New function, broken out from...
325 (scan_rtx_reg): ... here. Call it. Handle the case where we are
326 appending a use to an empty chain.
327 (build_def_use): Remove previous changes that convert OP_INOUT to
328 OP_OUT operands; instead detect the case where an OP_INOUT operand
329 uses a previously untracked register and create an empty chain for
332 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
334 * doc/extend.texi (Function Attributes): Rewrite unfinished
335 sentence in ms_abi documentation.
337 2010-03-17 Alan Modra <amodra@gmail.com>
339 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
340 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
341 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
342 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
344 2010-03-16 Richard Henderson <rth@redhat.com>
347 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
348 (lower_try_finally): Save and restore eh_seq around the expansion
351 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
353 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
354 statements before splitting block.
356 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
358 * doc/sourcebuild.texi (Testsuites): Fix markup.
359 Use pathnames relative to gcc/testsuite.
360 (Test Directives): Move description of how timeout is determined.
361 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
362 (C Tests): Correct gcc.misc-tests directory.
363 Framework tests now live in gcc.test-framework.
365 2010-03-16 Richard Guenther <rguenther@suse.de>
368 * tree-cfg.c (gimple_merge_blocks): When propagating virtual
369 PHI operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI
372 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
373 Alexandre Oliva <aoliva@redhat.com>
375 PR tree-optimization/42917
376 * lambda-code.c (remove_iv): Skip debug statements.
377 (lambda_loopnest_to_gcc_loopnest): Likewise.
378 (not_interesting_stmt): Debug statements are not interesting.
380 2010-03-16 Jakub Jelinek <jakub@redhat.com>
384 * cselib.c (cselib_preserve_constants,
385 cfa_base_preserved_val): New static variables.
386 (preserve_only_constants): New function.
387 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
388 clear its REG_VALUES. If cselib_preserve_constants, don't
389 empty the whole hash table, but preserve there VALUEs with constants,
390 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
391 (cselib_preserve_cfa_base_value): New function.
392 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
393 (cselib_init): Change argument to int bitfield. Set
394 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
396 (cselib_finish): Clear cselib_preserve_constants and
397 cfa_base_preserved_val.
398 * cselib.h (enum cselib_record_what): New enum.
399 (cselib_init): Change argument to int.
400 (cselib_preserve_cfa_base_value): New prototype.
401 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
402 * dse.c (dse_step1): Likewise.
403 * cfgcleanup.c (thread_jump): Likewise.
404 * sched-deps.c (sched_analyze): Likewise.
405 * gcse.c (local_cprop_pass): Likewise.
406 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
407 If FN is non-NULL, call the callback always and whenever it returns
408 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
409 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
410 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
411 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
412 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
413 * var-tracking.c: Include recog.h.
414 (bb_stack_adjust_offset): Remove.
415 (vt_stack_adjustments): Don't call it, instead just gather the
416 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
417 (adjust_stack_reference): Remove.
418 (compute_cfa_pointer): New function.
419 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
420 (struct adjust_mem_data): New type.
421 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
423 (get_address_mode): New function.
424 (replace_expr_with_values): Use it.
425 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
426 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
427 (adjust_sets): Remove.
428 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
429 Use get_address_mode.
430 (get_adjusted_src): Remove.
431 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
432 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
433 (add_with_sets): Don't call adjust_sets.
434 (fp_setter, vt_init_cfa_base): New functions.
435 (vt_initialize): Change return type to bool. Move most of pool etc.
436 initialization to the beginning of the function from end. Pass
437 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
438 If !frame_pointer_needed, call vt_stack_adjustment before mos
439 vector is filled, call vt_init_cfa_base if argp/framep has been
440 eliminated to sp. If frame_pointer_needed and argp/framep has
441 been eliminated to hard frame pointer, set
442 hard_frame_pointer_adjustment and call vt_init_cfa_base after
443 encountering fp setter in the prologue. For MO_ADJUST, call
444 log_op_type before pusing the op into mos vector, not afterwards.
445 Call adjust_insn before cselib_process_insn/add_with_sets,
446 call cancel_changes (0) afterwards.
447 (variable_tracking_main_1): Adjust for vt_initialize calling
448 vt_stack_adjustments and returning whether it succeeded or not.
450 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
452 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
455 2010-03-15 Jakub Jelinek <jakub@redhat.com>
457 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
459 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
460 drap_reg has not been set.
462 2010-03-15 Michael Matz <matz@suse.de>
465 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
466 use it to expand block copies.
467 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
468 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
469 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
471 2010-03-15 Richard Guenther <rguenther@suse.de>
473 PR tree-optimization/43367
474 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
477 2010-03-15 Richard Guenther <rguenther@suse.de>
479 PR tree-optimization/43317
480 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
482 2010-03-15 Martin Jambor <mjambor@suse.cz>
484 PR tree-optimization/43141
485 * tree-sra.c (create_abstract_origin): New function.
486 (modify_function): Call create_abstract_origin.
488 2010-03-15 Chris Demetriou <cgd@google.com>
490 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
493 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
496 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
497 call insert_out_of_ssa_copy for default definitions.
499 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
501 * graphite-clast-to-gimple.c (my_long_long): Defined.
502 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
503 * graphite-sese-to-poly.c (my_long_long): Defined.
504 (scop_ivs_can_be_represented): Use it.
506 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
508 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
509 graphite-max-bbs-per-function, and loop-block-tile-size.
510 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
512 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
514 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
516 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
518 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
519 (add_upper_bounds_from_estimated_nit): New.
520 (build_loop_iteration_domains): Use it.
522 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
524 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
526 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
529 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
530 should be an INTEGER_CST. Also handle CASE_CONVERT.
532 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
534 * graphite.c (graphite_initialize): To bound the number of bbs per
535 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
536 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
537 * doc/invoke.texi: Document it.
539 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
541 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
542 * graphite-sese-to-poly.h (build_poly_scop): Same.
544 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
546 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
547 the number of parameters in the scop. Use as an upper bound
548 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
549 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
550 * doc/invoke.texi: Document it.
552 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
554 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
555 * doc/c-tree.texi: Remove.
556 * doc/generic.texi: Merge c-tree.texi here.
557 * doc/gccint.texi (Trees): Remove menu entry.
558 (c-tree.texi): Remove @include.
559 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
560 * doc/languages.texi (Reading RTL): Ditto.
562 2010-03-12 Steve Ellcey <sje@cup.hp.com>
565 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
567 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
570 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
571 code added to work around reload clobbering CONST insns.
573 2010-03-12 Jakub Jelinek <jakub@redhat.com>
575 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
576 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
577 (cselib_preserve_only_values): Remove retain argument, don't
578 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
579 * cselib.h (cselib_preserve_only_values): Remove retain argument.
580 * var-tracking.c (micro_operation): Move insn field before union.
581 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
582 (struct variable_tracking_info_def): Remove n_mos field, change
583 mos into a vector of micro_operations.
584 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
585 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
586 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
587 changing into a vector.
588 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
589 come before all other uops generated by add_stores.
590 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
592 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
593 a vector. Run just one pass over the bbs instead of separate counting
594 and computation phase.
595 (vt_finalize): Free VTI (bb)->mos vector instead of array.
598 * tree-inline.c (remap_decls): Put old_var rather than origin_var
599 into *nonlocalized_list vector.
600 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
601 even if origin is non-NULL.
602 (gen_variable_die): Likewise.
603 (process_scope_var): Don't change origin.
604 (gen_decl_die): Likewise.
605 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
606 before adding new edges instead of after it, fix moving over
609 2010-03-11 David S. Miller <davem@davemloft.net>
611 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
613 * configure: Rebuild.
615 2010-03-11 Martin Jambor <mjambor@suse.cz>
617 PR tree-optimization/43257
618 * tree.c (assign_assembler_name_if_neeeded): New function.
619 (free_lang_data_in_cgraph): Assembler name assignment moved to the
621 * tree.h (assign_assembler_name_if_neeeded): Declare.
622 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
623 the function if needed.
625 2010-03-11 Chris Demetriou <cgd@google.com>
627 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
628 include/stdint-gcc.h, and include/stdint.h world-readable.
630 2010-03-11 Richard Guenther <rguenther@suse.de>
632 PR tree-optimization/43255
633 * tree-vrp.c (process_assert_insertions_for): Do not insert
634 asserts for trivial conditions.
636 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
638 PR tree-optimization/43280
639 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
640 generation. Move calculation of size out of the if branch.
641 (find_bswap): Modify compare number generation.
643 2010-03-11 Richard Guenther <rguenther@suse.de>
646 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
647 (input_gimple_stmt): Fixup handled component types during
648 operand read. Also fix up decls in ADDR_EXPRs.
650 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
652 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
653 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
655 2010-03-10 Jan Hubicka <jh@suse.cz>
658 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
659 * varasm.c (get_variable_section): Don't do that here...
660 (make_decl_rtl): ... and here.
661 (do_assemble_alias): Produce decl RTL.
662 (assemble_alias): Likewise.
664 2010-03-10 Jakub Jelinek <jakub@redhat.com>
667 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
668 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
670 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
671 (based_loc_descr): Only express drap or vdrap regno based expressions
672 using DW_OP_fbreg when not optimizing.
673 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
674 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
675 REG_CFA_SET_VDRAP note.
677 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
679 PR tree-optimization/43236
680 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
681 error in calculation of base address in reverse iteration case.
682 (generate_builtin): Take number of latch executions if the statement
685 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
688 * tree-eh.c: Include pointer-set.h.
689 (lower_eh_dispatch): Filter out duplicate case labels and
690 remove the unneeded edge when the label is unused. Return
691 true when some edges are removed.
692 (execute_lower_eh_dispatch): When any lowering resulted in
693 removing an edge, also delete unreachable blocks.
695 2010-03-10 Jakub Jelinek <jakub@redhat.com>
698 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
699 UNSPEC_MACHOPIC_OFFSET.
701 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
704 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
705 (m68k_delegitimize_address): New function.
707 2010-03-09 Jakub Jelinek <jakub@redhat.com>
710 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
713 * var-tracking.c (adjust_sets): New function.
714 (count_with_sets, add_with_sets): Use it.
715 (get_adjusted_src): New inline function.
716 (add_stores): Use it.
719 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
720 call cselib_dummy_expand_value_rtx_cb instead of
721 cselib_expand_value_rtx_cb.
724 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
725 * config/i386/i386.c: Include debug.h and dwarf2out.h.
726 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
727 and .cfi_endproc around the pic thunks.
728 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
729 all queued unwind info register saves are saved before the call.
730 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
731 considered as sp-=4 for unwind info and the pop as sp+=4 which
732 also clobbers dest, but doesn't actually restore it.
735 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
738 2010-03-09 Jie Zhang <jie@codesourcery.com>
740 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
741 whitespaces in output template.
743 2010-03-09 Jie Zhang <jie@codesourcery.com>
745 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
748 2010-03-08 Jakub Jelinek <jakub@redhat.com>
750 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
751 builtins.exp in a separate job.
753 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
755 * graphite-sese-to-poly.c (add_param_constraints): Use
756 lower_bound_in_type and upper_bound_in_type.
758 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
760 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
761 instead of unsigned_type_node.
763 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
764 Reza Yazdani <reza.yazdani@amd.com>
767 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
768 on pointer type parameters.
770 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
774 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
775 handle conversions from pointer to integers.
776 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
777 induction variable, to be able to work with code generated by CLooG.
778 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
779 (build_poly_scop): Bail out if we cannot codegen a loop.
781 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
783 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
784 code generation with gloog_error.
786 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
788 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
789 Call fold_convert on all the returned values.
790 (expand_scalar_variables_expr): Pass to
791 expand_scalar_variables_ssa_name the type of the resulting expression.
793 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
795 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
796 ppl_min_for_le_pointset.
797 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
798 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
800 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
802 * graphite-dependences.c (map_into_dep_poly): Removed.
803 (dependence_polyhedron_1): Use combine_context_id_scat.
805 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
807 * graphite-poly.h (struct poly_scattering): Add layout documentation.
808 (struct poly_bb): Same.
809 (combine_context_id_scat): New.
811 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
814 * sese.c (name_defined_in_loop_p): Return false for default
817 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
819 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
820 and clean up the logic.
822 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
824 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
827 2010-03-08 Jakub Jelinek <jakub@redhat.com>
829 * var-tracking.c (remove_cselib_value_chains): Define only for
831 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
832 delete_slot_part, emit_notes_for_differences_1): Don't call
833 remove_cselib_value_chains here.
834 (set_slot_part, emit_notes_for_differences_2): Don't call
835 add_cselib_value_chains here.
836 (preserved_values): New vector.
837 (preserve_value): New function.
838 (add_uses, add_stores, vt_add_function_parameters): Use it
839 instead of cselib_preserve_value.
840 (changed_values_stack): New vector.
841 (check_changed_vars_0): New function.
842 (check_changed_vars_1, check_changed_vars_2): Use it.
843 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
844 changed_values_stack VALUEs.
845 (vt_emit_notes): For all preserved_values call
846 add_cselib_value_chains. If ENABLE_CHECKING call
847 remove_cselib_value_chains before verifying value_chains is empty.
848 Initialize and free changed_values_stack.
849 (vt_initialize): Initialize preserved_values.
850 (vt_finalize): Free preserved_values.
852 2010-03-08 Richard Guenther <rguenther@suse.de>
854 PR tree-optimization/43269
855 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
858 2010-03-08 Martin Jambor <mjambor@suse.cz>
860 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
861 (ipa_is_param_called): Removed.
862 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
863 (ipa_print_node_params): Do not print the called flag.
864 (ipa_write_node_info): Do not stream the called flag.
865 (ipa_read_node_info): Likewise.
867 2010-03-07 Jakub Jelinek <jakub@redhat.com>
870 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
871 * cselib.c (struct expand_value_data): Add dummy field.
872 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
874 (cselib_dummy_expand_value_rtx_cb): New function.
875 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
877 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
878 * var-tracking.c: Include pointer-set.h.
879 (variable): Change n_var_parts to char from int. Add
880 cur_loc_changed and in_changed_variables fields.
881 (variable_canonicalize): Remove.
882 (shared_var_p): New inline function.
883 (unshare_variable): Maintain cur_loc_changed and
884 in_changed_variables fields. If var was in changed_variables,
885 replace it there with new_var. Just copy cur_loc instead of
886 resetting it to something else.
887 (variable_union): Don't recompute cur_loc. Use shared_var_p.
888 (dataflow_set_union): Don't call variable_canonicalize.
889 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
890 of their DEBUG_EXPR_TREE_DECLs.
891 (canonicalize_loc_order_check): Verify that cur_loc is NULL
892 and in_changed_variables and cur_loc_changed is false.
893 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
894 and cur_loc_changed. Don't update cur_loc here.
895 (variable_merge_over_src): Don't call variable_canonicalize.
896 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
897 removing loc that is equal to cur_loc, clear cur_loc,
898 set cur_loc_changed and ensure variable_was_changed is called.
899 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
900 compare pointers in cur_loc check, if it is equal to loc,
901 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
902 (variable_different_p): Remove compare_current_location argument,
903 don't compare cur_loc.
904 (dataflow_set_different_1): Adjust variable_different_p caller.
905 (variable_was_changed): If dv had some var in changed_variables
906 already, reset in_changed_variables flag for it and propagate
907 cur_loc_changed over to the new variable. On empty var
908 always set cur_loc_changed. Set in_changed_variables on whatever
909 var is added to changed_variables.
910 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
911 Use shared_var_p. When removing loc that is equal to cur_loc,
912 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
913 end, don't set it to something else, just call variable_was_changed.
914 (delete_slot_part): Use shared_var_p. When cur_loc equals to
915 loc being removed, clear cur_loc and set cur_loc_changed.
916 Set cur_loc_changed if all locations have been removed.
917 (struct expand_loc_callback_data): New type.
918 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
919 allocated. Always create SUBREGs if simplify_subreg failed.
920 Prefer to use cur_loc, when that fails and still in
921 changed_variables (and seen first time) recompute it. Set
922 cur_loc_changed of variables which had to change cur_loc and
923 compute elcd->cur_loc_changed if any of the subexpressions used
924 had to change cur_loc.
925 (vt_expand_loc): Adjust to pass arguments in
926 expand_loc_callback_data structure.
927 (vt_expand_loc_dummy): New function.
928 (emitted_notes): New variable.
929 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
930 that weren't used for any other decl in current
931 emit_notes_for_changes call call vt_expand_loc_dummy to update
932 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
933 first loc_chain location if NULL before. Always use just
934 cur_loc instead of first loc_chain location. When cur_loc_changed
935 is false, when not --enable-checking=rtl just don't emit any note.
936 When rtl checking, compute the note and assert it is the same
937 as previous note. Clear cur_loc_changed and in_changed_variables
938 at the end before removing from changed_variables.
939 (check_changed_vars_3): New function.
940 (emit_notes_for_changes): Traverse changed_vars to call
941 check_changed_vars_3 on each changed var.
942 (emit_notes_for_differences_1): Clear cur_loc_changed and
943 in_changed_variables. Recompute cur_loc of new_var.
944 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
945 (vt_emit_notes): Initialize and destroy emitted_notes.
947 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
949 PR rtl-optimization/42220
950 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
951 Use verify_reg_tracked to determine if we should use OP_OUT rather
953 (build_def_use): If we see an in-out operand for a register that we
954 know nothing about, treat is an output if possible, fail the block if
957 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
960 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
963 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
966 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
967 uses of relevant DEFs that are dead outside the loop too.
969 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
971 * var-tracking.c (dataflow_set_merge): Swap src and src2.
973 2010-01-13 Jakub Jelinek <jakub@redhat.com>
975 * var-tracking.c (values_to_unmark): New variable.
976 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
977 values_to_unmark vector. Moved body to...
978 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
979 instead queue it into values_to_unmark vector.
980 (vt_find_locations): Free values_to_unmark vector.
982 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
984 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
985 (site.exp): Export them when plugins are enabled.
987 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
990 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
992 (chrec_fold_multiply): Same.
994 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
997 * c-decl.c (build_compound_literal): Return early if init is
1000 2010-03-04 Martin Jambor <mjambor@suse.cz>
1002 PR tree-optimization/43164
1003 PR tree-optimization/43191
1004 * tree-sra.c (type_consists_of_records_p): Reject records with
1005 zero-size bit-fields at the end.
1007 2010-03-04 Mike Stump <mikestump@comcast.net>
1009 * Makefile.in (TAGS): Remove *.y.
1011 2010-03-04 Richard Guenther <rguenther@suse.de>
1013 PR tree-optimization/40761
1014 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
1016 (my_rev_post_order_compute): New function.
1017 (init_pre): Call it.
1019 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
1022 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
1023 decrease the cost of an IV candidate when the cost is infinite.
1025 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1027 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
1028 Use '3DNow!' for the extension of that name, ensure normal space
1030 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
1032 2010-03-03 Jeff Law <law@redhat.com>
1034 * PR middle-end/32693
1035 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
1036 than gen_rtx_SUBREG.
1037 (extract_bit_field_1): Likewise.
1039 2010-03-03 Janis Johnson <janis187@us.ibm.com>
1041 * doc/sourcebuild.texi (Test directives): Document that arguments
1042 include-opts and exclude-opts are now optional for dg-skip-if,
1043 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
1045 2010-03-03 Jason Merrill <jason@redhat.com>
1048 * cgraph.h (varpool_node): Add extra_name field.
1049 * varpool.c (varpool_extra_name_alias): New.
1050 (varpool_assemble_decl): Emit extra name aliases.
1051 (varpool_mark_needed_node): Look past an extra name alias.
1052 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
1053 * lto-streamer-in.c (lto_input_tree): Read it.
1054 * lto-streamer-out.c (output_unreferenced_globals): Write it.
1056 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
1058 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
1059 (sparc*-*-solaris2*): ...this.
1061 2010-03-03 Jakub Jelinek <jakub@redhat.com>
1064 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
1065 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
1066 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
1067 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
1070 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
1071 fallthrough to default handling, just with want_address 0 instead of 2.
1072 For single element lists, add_AT_loc directly, otherwise create an
1073 artificial variable DIE and stick location list to it.
1076 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
1077 (VAL_EXPR_HAS_REVERSE): Define.
1078 (reverse_op): New function.
1079 (add_stores): For reversible operations add an extra MO_VAL_USE.
1081 2010-03-02 Jason Merrill <jason@redhat.com>
1083 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
1085 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
1087 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
1088 (sparc64-*-linux*): Likewise.
1089 (sparc64-*-solaris2*): Include assembler files before linker ones.
1090 (sparc-*-solaris2*): Simplify and reorder to match previous case.
1091 * config/sparc/gas.h: Delete.
1092 * config/sparc/sol2-64.h: Add copyright notice.
1093 * config/sparc/sol2-gas-bi.h: Likewise.
1094 * config/sparc/sol2-gld.h: Likewise.
1095 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
1096 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
1097 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
1098 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
1099 (sparc_elf_asm_named_section): Rename into...
1100 (sparc_solaris_elf_asm_named_section): ...this. Always define.
1102 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
1104 * config/alpha/alpha.c (override_options): Fix -mtune error message.
1106 2010-03-02 Jeff Law <law@redhat.com>
1109 * reload1.c (rtx_p, substitute_stack): Declare.
1110 (substitute): Record addresses of changed rtxs.
1111 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
1112 Restore the original rtx when complete.
1113 (reload): Free subsitute_stack when complete.
1115 2010-03-02 Janis Johnson <janis187@us.ibm.com>
1117 * doc/gccint.texi (menu): Add Testsuites as a chapter.
1118 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
1120 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
1121 LTO Testing, gcov Testing, profopt Testing, compat Testing,
1122 Torture Tests): Change from subsection to section.
1124 2010-03-02 Jakub Jelinek <jakub@redhat.com>
1125 Steven Bosscher <steven@gcc.gnu.org>
1127 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
1130 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
1133 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
1134 the assignment from the new induction variable to the assignment
1135 of the value from the original loop PHI function.
1137 2010-03-01 Janis Johnson <janis187@us.ibm.com>
1138 Daniel Jacobowitz <dan@codesourcery.com>
1140 * doc/sourcebuild.texi (Test directives): Clarify options to
1143 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1145 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
1146 Disable cfi directives unless GCC and gas agree on using read-only
1147 .eh_frame sections for 64-bit.
1148 * configure: Regenerate.
1150 2010-03-01 Richard Guenther <rguenther@suse.de>
1152 PR tree-optimization/43220
1153 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
1154 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
1156 2010-03-01 Richard Guenther <rguenther@suse.de>
1157 Martin Jambor <mjambor@suse.cz>
1160 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
1161 gimplified parameters.
1163 2010-03-01 Christian Bruel <christian.bruel@st.com>
1165 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
1167 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
1169 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
1171 2010-03-01 Richard Guenther <rguenther@suse.de>
1174 * expr.c (expand_assignment): Use the alias-oracle to tell
1175 if the rhs aliases the result decl.
1177 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1180 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
1181 to sol_gt_pch_get_address.
1182 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
1183 64-bit, SPARC and x86.
1184 (sol_gt_pch_get_address): New function.
1186 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
1188 * toplev.h (inform_n, error_n): Declare.
1189 * diagnostic.c (inform_n, error_n): New function.
1191 2010-03-01 Jakub Jelinek <jakub@redhat.com>
1193 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
1194 has no rtl yet when processing local_decls, queue it and recheck
1195 if deferred stack allocation hasn't assigned it rtl.
1197 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
1199 * config/sh/sh.c (unspec_bbr_uid): New.
1200 (gen_block_redirect): Use it instead of INSN_UID.
1201 (gen_far_branch): Likewise.
1203 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
1205 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
1206 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
1208 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1210 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
1211 (Warning Options): -Wno-conversion-null is valid for
1212 Objective-C++ as well.
1213 * doc/tm.texi (Named Address Spaces): Likewise.
1214 * doc/plugins.texi (Plugins): Replace TABs with spaces.
1215 * doc/tree-ssa.texi (Tree SSA): Likewise.
1217 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
1220 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
1221 by default. Don't set the default arch for
1222 i[34567]86-*-darwin*|x86_64-*-darwin*.
1224 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
1227 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
1228 default. Set the default 32bit/64bit archs with $with_arch
1229 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
1231 2010-02-27 Richard Guenther <rguenther@suse.de>
1233 PR tree-optimization/43186
1234 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
1235 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
1236 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
1237 unroller iterations.
1239 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
1241 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
1242 required and i[34567]86-*-* targets don't support 64bit ISA.
1244 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
1247 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
1250 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
1252 * config.gcc: Set the default arch at least to Prescott for
1253 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
1254 if SSE math is enabled.
1256 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
1258 * diagnostic.c (diagnostic_initialize): Update.
1259 (diagnostic_report_diagnostic): Test inhibit_notes_p for
1261 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
1262 (diagnostic_inhibit_notes): New.
1263 * toplev.c (process_options): inhibit notes with -fcompare-debug.
1265 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
1268 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
1269 * doc/standards.texi: Likewise.
1270 * doc/extend.texi: Likewise.
1271 * doc/trouble.texi: Likewise.
1272 * doc/cppopts.texi: Likewise.
1273 * doc/install.texi: Likewise.
1274 * c.opt (std=c90,std=gnu90): New options.
1275 * c-opts.c (c_common_handle_option): Handle them.
1277 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
1280 * c-decl.c (undeclared_variable): Use an informative note.
1282 2010-02-26 Richard Guenther <rguenther@suse.de>
1284 PR tree-optimization/43186
1285 * gimple.h (gimple_fold): Remove.
1286 * gimple.c (gimple_fold): Remove. Inline into single user ...
1287 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
1288 Try harder for conditions.
1290 2010-02-26 Jakub Jelinek <jakub@redhat.com>
1293 * function.c (used_types_insert): Don't skip through named pointer
1294 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
1295 and it is different from the main variant's type.
1297 2010-02-26 Nick Clifton <nickc@redhat.com>
1299 * config/rx/rx.md (sminsi3): Remove bogus alternative.
1301 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
1303 * config.gcc: Support --with-fpmath=sse for x86.
1305 * config/i386/ssemath.h: New.
1307 * doc/install.texi (--with-fpmath=sse): Documented.
1309 2010-02-26 Richard Guenther <rguenther@suse.de>
1311 PR tree-optimization/43188
1312 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
1313 vector types of over-aligned element type.
1315 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
1318 * config/i386/i386.c (expand_vec_perm_blend): Use correct
1319 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
1321 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
1323 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
1325 2010-02-26 Jakub Jelinek <jakub@redhat.com>
1327 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
1328 * var-tracking.c: Include diagnostic.h.
1329 (debug_dv): New function.
1330 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
1333 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
1334 (add_value_chain, add_value_chains, remove_value_chain,
1335 remove_value_chains): Handle DEBUG_EXPRs.
1336 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
1339 * regcprop.c (struct queued_debug_insn_change): New type.
1340 (struct value_data_entry): Add debug_insn_changes field.
1341 (struct value_data): Add n_debug_insn_changes field.
1342 (debug_insn_changes_pool): New variable.
1343 (free_debug_insn_changes, apply_debug_insn_changes,
1344 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
1345 (kill_value_one_regno): Call free_debug_insn_changes if needed.
1346 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
1348 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
1350 (copyprop_hardreg_forward_1): Don't call apply_change_group for
1351 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
1352 changes, call cprop_find_used_regs via note_stores.
1353 (copyprop_hardreg_forward): When copying vd from predecessor
1354 which has any queued DEBUG_INSN changes, make sure the pointers are
1355 cleared. At the end call df_analyze and then if there are any
1356 DEBUG_INSN changes queued at the end of some basic block for still
1357 live registers, apply them.
1358 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
1360 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
1362 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
1365 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
1367 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
1368 targets. Set the default with_cpu/with_arch from arch/cpu.
1369 Allow x86-64 and native for with_cpu/with_arch.
1371 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
1373 * ebitmap.c: Change calls to verify_popcount with calls to
1374 sbitmap_verify_popcount.
1375 (ebitmap_clear_bit): Fixed map->cacheindex test and
1376 map>cache update when bit clearing results in an empty
1379 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
1382 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
1383 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
1384 and support both V2DF and V2DI modes.
1385 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
1386 support both V2DF and V2DI modes.
1387 (general): Delete trailing whitespace from a few patterns.
1389 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
1390 V2DF/V2DI interleave high/low builtins.
1392 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
1395 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
1396 interleave high/low functions.
1398 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
1400 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
1401 #pragma extern_prefix.
1403 2010-02-25 Jakub Jelinek <jakub@redhat.com>
1406 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
1407 BLKmode, assert op0 is a MEM and just adjust its mode.
1410 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
1411 if bitpos isn't multiple of mode's bitsize.
1413 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
1415 * c.opt (-ftemplate-depth=): New.
1416 (-ftemplate-depth-): Deprecate.
1417 * optc-gen.awk: Handle -ftemplate-depth=.
1418 * opth-gen.awk: Likewise.
1419 * c-opts.c (c_common_handle_option): Likewise.
1420 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
1422 2010-02-24 Jason Merrill <jason@redhat.com>
1424 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
1426 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1428 * cfg.c (alloc_aux_for_block): Remove inline.
1429 (alloc_aux_for_edge): Likewise.
1431 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1433 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
1435 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1437 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
1438 * config/i386/sol2-gas.h: New file.
1439 * config.gcc (i[34567]86-*-solaris2*): Use it.
1441 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
1444 * c-typeck.c (ep_convert_and_check): New.
1445 (build_conditional_expr): Use it.
1446 (build_binary_op): Likewise.
1448 2010-02-24 Jakub Jelinek <jakub@redhat.com>
1450 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
1453 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
1454 bounds even for -O+.
1455 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
1456 expr needs to have DECL_NAME set.
1458 2010-02-24 Nick Clifton <nickc@redhat.com>
1460 * config/mep/mep.c: Include gimple.h.
1461 (mep_function_uses_sp): Delete unused function.
1462 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
1463 parameters. Use unsigned integers to count args. Return a
1464 NULL_RTX instead of an error_mark_node. Toidy up formatting.
1466 2010-02-23 Jakub Jelinek <jakub@redhat.com>
1469 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
1470 greater or equal to nelt instead of 2 * nelt.
1471 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
1474 2010-02-23 Jason Merrill <jason@redhat.com>
1477 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
1478 in cfun->local_decls even if they have register types.
1481 * stor-layout.c (place_field): Don't warn about unnecessary
1482 DECL_PACKED if the type is packed.
1484 2010-02-23 Jakub Jelinek <jakub@redhat.com>
1487 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
1488 GOTOFF relocs, even when the base reg isn't pic pointer.
1490 2010-02-23 Michael Matz <matz@suse.de>
1493 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
1494 (expand_gimple_basic_block): Generate and use debug temps if there
1495 are debug uses left after the last real use of TERed ssa names.
1496 Unlink debug immediate uses when they are expanded.
1498 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
1501 * config/i386/i386.c (override_options): Reorganise to provide
1502 better error messages.
1504 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
1507 * graphite-scop-detection.c (create_single_exit_edge): Move
1508 the call to find_single_exit_edge to....
1509 (create_sese_edges): ...here. Don't handle multiple edges
1510 exiting the function.
1511 (build_graphite_scops): Don't handle multiple edges
1512 exiting the function.
1514 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
1517 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
1518 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
1520 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
1523 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
1525 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
1528 * c-typeck.c (convert_arguments): Print declaration location.
1529 * c-common.c (validate_nargs): Rename as
1530 builtin_function_validate_nargs.
1531 (check_builtin_function_arguments): Update.
1533 2010-02-22 Richard Guenther <rguenther@suse.de>
1536 * tree-inline.c (declare_return_variable): Use the type of
1537 the call stmt lhs if available.
1539 2010-02-22 Duncan Sands <baldrick@free.fr>
1541 * passes.c (register_pass): Always consider all pass lists when
1542 ref_pass_instance_number is zero.
1544 2010-02-22 Richard Guenther <rguenther@suse.de>
1546 PR tree-optimization/42749
1547 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
1548 parameter. Do arithmetic in the original type.
1549 (update_accumulator_with_ops): Likewise.
1550 (adjust_accumulator_values): Adjust.
1552 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1554 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
1555 (QI to BLKmode splitter): New splitter.
1557 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
1559 * config/i386/i386.c (initial_ix86_tune_features): Turn on
1560 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
1562 2010-02-22 Richard Guenther <rguenther@suse.de>
1564 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
1566 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
1568 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
1569 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
1570 ($(T)crti.o, $(T)crtn.o): Remove rules.
1572 2010-02-21 Tobias Burnus <burnus@net-b.de>
1575 * doc/invoke.texi (-fassociative-math): Document that this
1576 option is automatically enabled for Fortran.
1578 2010-02-20 David S. Miller <davem@davemloft.net>
1580 * configure.ac: Test if linker and assembler properly support
1581 GOTDATA_OP relocations.
1582 * configure: Rebuild.
1583 * config.in: Likewise.
1584 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
1585 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
1586 (movsi_high_pic): Likewise.
1587 (movdi_lo_sum_pic): Likewise.
1588 (movdi_high_pic): Likewise.
1589 (movsi_pic_gotdata_op): New pattern.
1590 (movdi_pic_gotdata_op): Likewise.
1591 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
1592 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
1594 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
1597 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
1598 attribute to ssemul.
1599 (xop_mulv2div2di3_high): Ditto.
1601 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
1604 * c.opt (Wconversion-null): New option.
1605 * doc/invoke.texi (Wconversion-null): Document.
1607 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
1609 * common.opt (Wlarger-than-): Add Undocumented.
1611 2010-02-19 Mike Stump <mikestump@comcast.net>
1613 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
1615 2010-02-19 Jason Merrill <jason@redhat.com>
1618 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
1619 * configure: Likewise.
1621 2010-02-20 Alan Modra <amodra@gmail.com>
1624 * cgraph.h (cgraph_make_decl_local): Declare.
1625 * cgraph.c (cgraph_make_decl_local): New function.
1626 (cgraph_make_node_local): Use it.
1627 * cgraphunit.c (cgraph_function_versioning): Likewise.
1628 * ipa.c (function_and_variable_visibility): Likewise.
1630 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1633 * except.c (sjlj_emit_function_enter): Don't call
1634 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
1636 * rtl.h (add_reg_br_prob_note): Remove prototype.
1638 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
1641 * c-common.c (conversion_warning): Remove widening conversions
1642 before checking the conversion of integers to reals.
1644 2010-02-19 Mike Stump <mikestump@comcast.net>
1647 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
1650 * cgraphunit.c (process_function_and_variable_attributes): Check
1651 DECL_PRESERVE_P instead of looking up attribute "used".
1652 * ipa-pure-const.c (check_decl): Likewise.
1653 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
1654 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
1655 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
1656 instead of attribute "used".
1657 * config/sol2-c.c (solaris_pragma_init): Likewise.
1658 (solaris_pragma_fini): Likewise.
1660 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1662 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
1663 Use XCNEW instead of xcalloc.
1664 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
1665 XNEW instead of xmalloc.
1666 (get_fields): Use XNEWVEC instead of xmalloc.
1669 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
1670 populate vars array.
1671 (create_new_general_access): For debug stmts just reset value.
1672 (get_stmt_accesses): For accesses within debug stmts just record them
1673 using add_access_to_acc_sites instead of preventing the peeling or
1674 counting them as accesses.
1677 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
1679 2010-02-19 Richard Guenther <rguenther@suse.de>
1681 PR tree-optimization/42916
1682 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
1685 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
1687 * configure.ac: Replace all uses of changequote in macro arguments
1688 with proper quoting.
1690 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1693 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
1695 2010-02-19 Richard Guenther <rguenther@suse.de>
1697 PR tree-optimization/42944
1698 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
1699 test for aliasing with errno.
1701 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1704 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
1705 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
1706 * dojump.c: Include output.h.
1707 (inv): New inline function.
1708 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
1709 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
1710 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
1711 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
1712 argument, pass it down to other calls.
1713 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
1714 add REG_BR_PROB note to the conditional jump.
1715 * cfgexpand.c (add_reg_br_prob_note): Removed.
1716 (expand_gimple_cond): Don't call it, add the probability
1717 as last argument to jumpif_1/jumpifnot_1.
1718 * Makefile.in (dojump.o): Depend on output.h.
1719 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
1721 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
1722 * stmt.c (do_jump_if_equal): Likewise.
1723 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
1724 * loop-unswitch.c (compare_and_jump_seq): Likewise.
1725 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
1727 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
1728 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
1729 jumpifnot_1 callers.
1730 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
1732 (store_expr): Adjust jumpifnot caller.
1733 (store_constructor): Adjust jumpif caller.
1736 * gimplify.c (gimple_boolify): For __builtin_expect call
1737 gimple_boolify also on its first argument.
1739 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
1741 * configure.ac (gnu-unique-object): Wrap regexps using [] in
1743 (__stack_chk_fail): Ditto. Remove quadrigraphs.
1744 * configure: Regenerated.
1746 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1748 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
1749 lang_hooks.types_compatible_p instead of comptypes.
1751 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
1753 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
1754 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
1755 if __prefer_thumb__ is defined.
1757 2010-02-18 Martin Jambor <mjambor@suse.cz>
1759 PR tree-optimization/43066
1760 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
1761 array with zero-sized element type.
1763 2010-02-18 Jakub Jelinek <jakub@redhat.com>
1765 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
1766 rtx, allocate struct var_loc_node here and return it to the
1767 caller, and only if it is actually needed.
1768 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
1769 move it earlier and return immediately if it returns NULL.
1771 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
1773 * config/sparc/gas.h: New file. Restore
1774 TARGET_ASM_NAMED_SECTION to its ELF default.
1775 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
1777 * config/sparc/sparc.c (sparc_elf_asm_named_section):
1778 Likewise. Add ATTRIBUTE_UNUSED to prototype.
1779 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
1780 after sparc/sysv4.h.
1782 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
1784 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
1786 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
1788 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
1789 patterns from predicated pattern.
1791 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
1794 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
1795 for insn mnemonic suffix.
1797 2010-02-17 Richard Guenther <rguenther@suse.de>
1799 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
1802 2010-02-17 Jakub Jelinek <jakub@redhat.com>
1805 * caller-save.c (save_call_clobbered_regs): If BB ends with
1806 a DEBUG_INSN, move any notes in between last real insn and the last
1807 DEBUG_INSN after the last DEBUG_INSN.
1809 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
1811 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
1812 Fix return type. Fix argument type. Explain meaning of return value.
1814 2010-02-16 Richard Guenther <rguenther@suse.de>
1816 PR tree-optimization/41043
1817 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
1818 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
1820 (vrp_visit_phi_node): ... but only for loop PHI nodes.
1822 2010-02-16 Ira Rosen <irar@il.ibm.com>
1824 PR tree-optimization/43074
1825 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
1826 * tree-vect-loop.c (vect_analyze_loop_operations): Add
1827 vectorizable cycles in hybrid SLP check.
1828 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
1830 2010-02-16 Richard Guenther <rguenther@suse.de>
1832 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
1833 (true_dependence): If memrefs_conflict_p computes must-alias
1834 trust it. Move TBAA check after offset-based disambiguation.
1835 (canon_true_dependence): Likewise.
1837 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
1839 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
1840 * doc/invoke.texi: Document it.
1841 * var-tracking.c: Include toplev.h and params.h.
1842 (vt_find_locations): Return bool indicating success. Compute
1843 hash sizes unconditionally. Check new parameter, report.
1844 (variable_tracking_main_1): Check vt_find_locations results and
1845 retry. Renamed from...
1846 (variable_tracking_main): ... this. New wrapper to preserve
1847 flag_var_tracking_assignments.
1848 * Makefile.in (var-tracking.o): Adjust dependencies.
1850 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
1851 Jakub Jelinek <jakub@redhat.com>
1854 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
1855 if weak_import attribute is present.
1856 * config/darwin.c (machopic_select_section): Likewise.
1858 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
1860 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
1861 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
1862 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
1863 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
1865 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument types.
1867 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
1870 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
1871 Rewrite text to refer to the names.
1873 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
1875 * config/i386/i386-builtin-types.def
1876 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
1877 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
1878 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
1879 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
1880 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
1881 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
1882 IX86_BUILTIN_VPERMIL2PS256.
1883 (MULTI_ARG_4_DF2_DI_I): Defined.
1884 (MULTI_ARG_4_DF2_DI_I1): Defined.
1885 (MULTI_ARG_4_SF2_SI_I): Defined.
1886 (MULTI_ARG_4_SF2_SI_I1): Defined.
1887 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
1888 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
1889 __builtin_ia32_vpermil2ps256.
1890 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
1891 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
1892 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
1893 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
1894 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
1895 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
1896 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
1897 CODE_FOR_xop_vpermil2v8sf3.
1898 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
1899 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
1900 * config/i386/xopintrin.h (_mm_permute2_pd): New.
1901 (_mm256_permute2_pd): New.
1902 (_mm_permute2_ps): New.
1903 (_mm256_permute2_ps): New.
1905 2010-02-15 Nick Clifton <nickc@redhat.com>
1907 * config/h8300/h8300.c: (h8300_push_pop): Use bool type for
1908 boolean parameters. Use emit_jump_insn when emitting a pop
1909 instruction containing a return insn.
1910 (push): Use 'true' rather than '1' as second parameter to F.
1911 (h8300_expand_prologue): Likewise.
1912 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
1913 (h8300_expand_epilogue): Likewise.
1915 2010-02-15 Richard Guenther <rguenther@suse.de>
1918 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
1921 2010-02-15 Nick Clifton <nickc@redhat.com>
1923 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
1926 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
1928 * intl.c (fake_ngettext): New function.
1929 * intl.h (fake_ngettext): Declare.
1930 (ngettext): Define macro.
1931 * collect2.c (notice_translated): New function.
1932 (main): Use notice_translated and ngettext.
1933 * collect2.h (notice_translated): Declare.
1935 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
1937 * reorg.c (delete_computation): Comment fixes.
1938 * caller-save.c (setup_save_areas): Idem.
1939 * sel-sched-dump.c (dump_lv_set): Idem.
1942 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1944 * config/s390/s390.c (s390_sched_init): New function.
1945 (TARGET_SCHED_INIT): Target hook defined.
1947 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
1948 Jack Howarth <howarth@bromo.med.uc.edu>
1949 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1952 Partial revert of unintended change in fix for PR41605.
1953 * config/darwin.h: Fix typo.
1954 * config/darwin9.h: Same.
1956 2010-02-11 Jakub Jelinek <jakub@redhat.com>
1958 * c-pch.c (pch_init): Clear v.
1960 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
1963 * graphite-scop-detection.c (graphite_can_represent_scev): Call
1964 graphite_can_represent_init for MULT_EXPR.
1966 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
1970 * graphite-sese-to-poly.c (remove_phi): New.
1971 (translate_scalar_reduction_to_array): Call remove_phi.
1973 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
1976 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
1977 * graphite-clast-to-gimple.h (gloog): Update declaration.
1978 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
1979 * graphite-poly.h (struct poly_bb): Add missing comments.
1980 (struct scop): Add poly_scop_p field.
1982 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
1983 * graphite.c (graphite_transform_loops): Build the polyhedral
1984 representation for each scop before code generation.
1985 * sese.c (rename_variables_in_operand): Removed.
1986 (rename_variables_in_expr): Return the renamed expression.
1987 (rename_sese_parameters): New.
1988 * sese.h (rename_sese_parameters): Declared.
1990 2010-02-11 Richard Guenther <rguenther@suse.de>
1992 PR tree-optimization/42998
1993 * tree-ssa-pre.c (create_expression_by_pieces): Treat
1994 POINTER_PLUS_EXPR properly.
1996 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
1997 Changpeng Fang <changpeng.fang@amd.com>
2000 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
2001 the cost of an IV candidate when the IV is used in a test against zero.
2003 * gcc.dg/tree-ssa/ivopts-3.c: New.
2005 2010-02-11 Richard Guenther <rguenther@suse.de>
2008 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
2009 pointer-vs-decl case by swapping refs. Handle some cases
2010 of pointer-vs-decl disambiguations more conservatively.
2011 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
2012 to false after expanding.
2014 2010-02-11 Richard Guenther <rguenther@suse.de>
2017 * gcc.c (process_command): Handle LTO file@offset case more
2020 2010-02-11 Jakub Jelinek <jakub@redhat.com>
2022 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
2023 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
2025 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
2027 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
2028 if MEM's mode size isn't DWARF2_ADDR_SIZE.
2029 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
2030 Optimize eq/ne comparisons when both arguments are known to be
2032 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
2033 Don't mask operands unnecessarily if they are known to be already
2036 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
2038 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
2041 2010-02-10 Richard Guenther <rguenther@suse.de>
2043 PR tree-optimization/43017
2044 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
2045 for wrapping signed arithmetic.
2047 2010-02-10 Jakub Jelinek <jakub@redhat.com>
2050 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
2051 if no debug info should be emitted for it.
2053 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
2055 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
2056 note when flag_exceptions is set.
2058 2010-02-10 Duncan Sands <baldrick@free.fr>
2060 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
2062 2010-02-10 Richard Guenther <rguenther@suse.de>
2065 * tree.c (get_unwidened): Handle constants.
2066 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
2068 2010-02-10 Martin Jambor <mjambor@suse.cz>
2071 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
2072 check for variable argument counts independently.
2074 2010-02-10 Christian Bruel <christian.bruel@st.com>
2077 * config/sh/sh.c (find_barrier): Increase length for non delayed
2078 conditional branches.
2080 2010-02-10 Christian Bruel <christian.bruel@st.com>
2082 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
2084 2010-02-10 Jakub Jelinek <jakub@redhat.com>
2086 * builtins.c (set_builtin_user_assembler_name): Also handle
2087 ffs if int is smaller than word.
2089 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
2092 * ira-conflicts.c (get_dup): Remove.
2093 (process_reg_shuffles): Add new parameter. Use it as an
2094 additional guard for copy generation.
2095 (add_insn_allocno_copies): Rewrite.
2097 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
2099 * common.opt (fsched2-use-traces): Preserved for backward
2101 * doc/invoke.texi: Remove the documentation about option
2102 -fsched2-use-traces.
2103 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
2104 flag_sched2_use_traces.
2105 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
2106 the backward compatibility flag section.
2108 2010-02-09 Richard Guenther <rguenther@suse.de>
2110 PR tree-optimization/43008
2111 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
2112 make HEAP variables initialized from global memory if they
2113 are not known builtin functions.
2114 (find_func_aliases): Adjust.
2116 2010-02-09 Richard Guenther <rguenther@suse.de>
2118 PR tree-optimization/43000
2119 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
2120 arithmetic manually.
2122 2010-02-08 Jakub Jelinek <jakub@redhat.com>
2124 PR tree-optimization/42931
2125 * tree-loop-linear.c (try_interchange_loops): Don't call
2126 double_int_mul if estimated_loop_iterations failed.
2128 2010-02-08 Martin Jambor <mjambor@suse.cz>
2131 * tree-sra.c (build_accesses_from_assign): Do not mark in
2132 should_scalarize_away_bitmap if stmt has volatile ops.
2133 (sra_modify_assign): Do not process assigns piecemeal if if stmt
2136 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
2138 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
2140 2010-02-07 Adam Nemet <adambnmet@gmail.com>
2142 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
2145 2010-02-07 Andrew Pinski <pinskia@gmail.com>
2148 * df-core.c (df_finish_pass): Change type of saved_flags to int.
2150 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
2153 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
2154 to unknown_dependence.
2155 (graphite_legal_transform_dr): Handle the unknown_dependence.
2156 (graphite_carried_dependence_level_k): Same.
2158 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
2160 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
2162 2010-02-07 Richard Guenther <rguenther@suse.de>
2165 * expr.c (get_inner_reference): Always initialize *pbitsize.
2167 2010-02-07 Richard Guenther <rguenther@suse.de>
2170 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
2171 new ARRAY_REFs on variable size element or minimal index arrays.
2173 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
2174 gimple_fold_indirect_ref.
2176 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
2179 * arm.c (arm_override_options): Just return if the user has specified
2180 an invalid fpu name.
2182 2010-02-03 Jason Merrill <jason@redhat.com>
2185 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
2186 i386_pe_maybe_record_exported_symbol.
2188 2010-02-05 Steve Ellcey <sje@cup.hp.com>
2191 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
2192 (pa_delegitimize_address): New function.
2194 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
2196 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
2197 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
2199 2010-02-05 Richard Guenther <rguenther@suse.de>
2202 * lto-streamer-in.c (get_resolution): Deal with references
2203 to undefined functions.
2205 2010-02-05 Richard Guenther <rguenther@suse.de>
2207 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
2208 (fold_const_aggregate_ref): Likewise.
2209 (ccp_fold_stmt): Substitute loads.
2210 (maybe_fold_reference): Verify types before substituting.
2212 (fold_gimple_assign): Unshare properly.
2213 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
2215 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
2217 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
2218 for rs6000_gen_cell_microcode.
2220 2010-02-04 Richard Guenther <rguenther@suse.de>
2222 PR rtl-optimization/42952
2223 * dse.c (const_or_frame_p): Remove MEM handling.
2225 2010-02-04 Nick Clifton <nickc@redhat.com>
2227 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
2228 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
2229 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
2230 (mn10300_asm_output_mi_thunk): New function.
2231 (mn10300_can_output_mu_thunk): New function.
2232 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
2233 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
2234 (FUNCTION_ARG): Delete incorrect comment.
2236 2010-02-03 Jason Merrill <jason@redhat.com>
2239 * fold-const.c (operand_equal_p): Handle erroneous types.
2241 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
2243 * config/h8300/h8300.md (can_delay): Fix attibute condition.
2245 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
2247 PR rtl-optimization/42941
2248 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
2251 2010-02-03 Jason Merrill <jason@redhat.com>
2254 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
2256 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
2259 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
2260 (cselib_reset_table): Renamed from...
2261 (cselib_reset_table_with_next_value): ... this.
2262 (cselib_get_next_uid): Renamed from...
2263 (cselib_get_next_unknown_value): ... this.
2264 * cselib.c (next_uid): Renamed from...
2265 (next_unknown_value): ... this.
2266 (cselib_clear_table): Adjust.
2267 (cselib_reset_table): Adjust. Renamed from...
2268 (cselib_reset_table_with_next_value): ... this.
2269 (cselib_get_next_uid): Adjust. Renamed from...
2270 (cselib_get_next_unknown_value): ... this.
2271 (get_value_hash): Use hash.
2272 (cselib_hash_rtx): Likewise.
2273 (new_cselib_val): Adjust. Set and dump uid.
2274 (cselib_lookup_mem): Pass next_uid as hash.
2275 (cselib_subst_to_values): Likewise.
2276 (cselib_log_lookup): Dump uid.
2277 (cselib_lookup): Pass next_uid as hash. Adjust.
2278 (cselib_process_insn): Adjust.
2279 (cselib_init): Initialize next_uid.
2280 (cselib_finish): Adjust.
2281 (dump_cselib_table): Likewise.
2282 * dse.c (canon_address): Dump value uid.
2283 * print-rtl.c (print_rtx): Print value uid.
2284 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
2286 (dv_uid): New function, sort of renamed from...
2287 (dv_htab_hash): ... this, reimplemented in terms of it and...
2288 (dv_uid2hash): ... this. New.
2289 (variable_htab_eq): Drop excess assertions.
2290 (tie_break_pointers): Removed.
2291 (canon_value_cmp): Compare uids.
2292 (variable_post_merge_New_vals): Print uids.
2293 (vt_add_function_parameters): Adjust.
2294 (vt_initialize): Reset table. Adjust.
2296 2010-02-03 Richard Guenther <rguenther@suse.de>
2298 PR tree-optimization/42944
2299 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
2300 (call_may_clobber_ref_p_1): Likewise. Properly handle
2301 malloc and calloc clobbering errno.
2303 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
2305 * doc/invoke.texi: Fix name of sched1 dump.
2307 * opts.c (decode_options): Set flag_tree_switch_conversion
2308 only conditionally on optimize >= 2.
2310 * gcse.c: Assorted comment fixes in pass description.
2312 2010-02-03 Anthony Green <green@moxielogic.com>
2314 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
2315 nop padding in order to maintain alignment of storage location of
2316 target function address.
2317 (moxie_trampoline_init): Store target function address at newly
2319 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
2321 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
2323 2010-02-03 Richard Guenther <rguenther@suse.de>
2326 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
2328 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2330 * config.gcc: Reenable check for obsolete targets.
2331 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
2332 mips-sgi-irix6.[0-4]*.
2334 2010-02-02 Nick Clifton <nickc@redhat.com>
2336 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
2337 constant size of 4 as being the same as 0.
2338 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
2339 can take values in the range 0..4.
2341 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
2344 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
2345 as _darwin10_Unwind_FindEnclosingFunction().
2346 * libgcc-libsystem.ver: New.
2348 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
2351 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
2352 implicitly set registers.
2354 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
2356 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
2357 (arm_override_options): Allow automatic selection of the thread
2358 pointer register if thumb2.
2359 (legitimize_pic_address): Improve code sequences for Thumb2.
2360 (arm_call_tls_get_addr): Likewise.
2361 (legitimize_tls_address): Likewise.
2362 * arm.md (pic_load_addr_arm): Delete. Replace with ...
2363 (pic_load_addr_32bit): ... this. New named pattern.
2364 * thumb2.md (pic_load_addr_thumb2): Delete.
2365 (pic_load_dot_plus_four): Delete.
2366 (tls_load_dot_plus_four): New named pattern.
2368 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2371 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
2372 Document fix for TLS bug.
2374 2010-01-31 Richard Guenther <rguenther@suse.de>
2376 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
2377 conservatively correct.
2379 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2383 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2385 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
2387 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2389 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
2391 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
2393 * config.gcc: Adjust order of makefile fragments for mingw targets.
2395 2010-01-31 Richard Guenther <rguenther@suse.de>
2398 * gimplify.c (gimplify_init_constructor): For volatile LHS
2399 initialize a temporary.
2401 2010-01-31 Matthias Klose <doko@ubuntu.com>
2403 * configure.ac: Fix __stack_chk_fail check for cross builds configured
2405 * configure: Regenerate.
2407 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
2409 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
2410 the same alias set and their sizes different constantness.
2411 (aliasing_component_refs_p): Revert 2009-10-24 change.
2413 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2415 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
2418 2010-01-29 Richard Guenther <rguenther@suse.de>
2420 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
2421 Assert we successfully updated the call.
2423 2010-01-29 Jakub Jelinek <jakub@redhat.com>
2425 PR rtl-optimization/42889
2426 * df.h (df_set_bb_dirty_nonlr): New prototype.
2427 * df-core.c (df_set_bb_dirty_nonlr): New function.
2428 * df-scan.c (df_insn_rescan): Call it instead of
2429 df_set_bb_dirty for DEBUG_INSNs.
2431 2010-01-29 Richard Guenther <rguenther@suse.de>
2434 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
2435 quadratic behavior in most cases.
2437 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
2440 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
2441 in the call to gen_x86_movsicc_0_m1.
2443 2010-01-28 Richard Guenther <rguenther@suse.de>
2445 PR tree-optimization/42871
2446 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
2448 2010-01-28 Richard Guenther <rguenther@suse.de>
2450 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
2451 into call arguments.
2453 2010-01-28 Richard Guenther <rguenther@suse.de>
2456 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
2457 the forwarder if the destination is an EH landing pad.
2459 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
2461 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
2462 block list passed to gimple_duplicate_sese_tail.
2463 (parallelize_loops): Avoid parallelization when the function
2465 Avoid parallelization when the preheader is IRREDUCIBLE.
2466 Try to optimize when estimated_loop_iterations_int is unresolved.
2467 Add the loop's location to the dump file.
2468 * tree-cfg.c (add_phi_args_after_redirect): Remove.
2469 (gimple_duplicate_sese_tail): Remove the check for the latch.
2470 Redirect nexits to the exit block.
2471 Remove handling of the incoming edges to the latch.
2472 Redirect the backedge from the copied latch to the exit bb.
2474 2010-01-28 Michael Matz <matz@suse.de>
2477 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
2478 Wrap force_reg into a sequence, emit it before user.
2480 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
2482 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
2484 (arm_legacy_rev): Likewise.
2485 (thumb_legacy_rev): Likewise.
2487 2010-01-27 Jakub Jelinek <jakub@redhat.com>
2489 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
2490 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
2491 on MEM's address failed, try avoid_constant_pool_reference and
2492 recurse if it returned something different.
2493 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
2494 address, try avoid_constant_pool_reference and recurse if it
2495 returned something different.
2496 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
2497 address and avoid_constant_pool_reference returned something
2498 different, don't set have_address.
2500 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
2503 * var-tracking.c (val_store): Add modified argument, obey it.
2505 (count_uses): Move down logging of main.
2506 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
2507 don't need resolution.
2508 (emit_notes_in_bb): Likewise.
2510 2010-01-27 Richard Guenther <rguenther@suse.de>
2513 * tree-inline.c (remap_decl): Delay remapping of SSA name
2514 default definitions until we need them.
2516 2010-01-27 Jakub Jelinek <jakub@redhat.com>
2518 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
2519 (rs6000_delegitimize_address): New function.
2521 * config/s390/s390.c (s390_delegitimize_address): Call
2522 delegitimize_mem_from_attrs.
2525 * tree-inline.c (cannot_copy_type_1): Removed.
2526 (copy_forbidden): Don't forbid copying of functions containing
2527 records/unions with variable length fields.
2529 2010-01-27 Christian Bruel <christian.bruel@st.com>
2533 * config/sh/sh.c (find_barrier): Increase length for non delayed
2534 conditional branches.
2536 2010-01-27 Matthias Klose <doko@ubuntu.com>
2538 * configure.ac (gnu-unique-object): Fix ldd version check.
2539 * configure: Regenerate.
2541 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2543 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
2545 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
2546 Test for HAVE_GNU_AS value.
2548 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2550 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
2551 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
2552 INT64_TYPE): Define.
2553 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
2554 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2555 INT_LEAST64_TYPE): Define.
2556 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
2557 UINT_LEAST64_TYPE): Define.
2558 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
2559 INT_FAST64_TYPE): Define.
2560 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2561 UINT_FAST64_TYPE): Define.
2562 (INTMAX_TYPE, UINTMAX_TYPE): Define.
2563 (INTPTR_TYPE, UINTPTR_TYPE): Define.
2564 (SIG_ATOMIC_TYPE): Define.
2566 2010-01-26 Richard Guenther <rguenther@suse.de>
2568 * df-scan.c (df_scan_set_bb_info): Remove assert.
2569 (df_insn_rescan_debug_internal): Merge asserts.
2570 (df_install_ref): Likewise.
2571 (df_mark_reg): Use bitmap_set_range.
2572 (df_hard_reg_used_p): Remove assert.
2573 (df_hard_reg_used_count): Likewise.
2575 2010-01-26 Richard Guenther <rguenther@suse.de>
2577 PR rtl-optimization/42685
2578 * web.c (web_main): Ignore DEBUG_INSNs.
2580 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
2582 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
2584 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
2585 Fix types of fndecl and arglist parameters.
2587 2010-01-26 Richard Guenther <rguenther@suse.de>
2590 * tree-eh.c (unsplit_eh): Skip debug insns.
2592 2010-01-26 Richard Guenther <rguenther@suse.de>
2594 PR tree-optimization/42250
2595 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
2597 2010-01-26 Jakub Jelinek <jakub@redhat.com>
2600 * omp-low.c (expand_omp_sections): Only use single_pred if
2601 l2_bb is single_pred_p.
2603 2010-01-25 Christian Bruel <christian.bruel@st.com>
2606 * config/sh/sh.c (find_barrier): Increase length for non delayed
2607 conditional branches.
2608 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
2610 2010-01-24 David S. Miller <davem@davemloft.net>
2612 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
2613 define if not using GAS.
2614 * config/sparc/sparc.c (sparc_elf_asm_named_section):
2615 Likewise. Delete SECTION_MERGE code, which is only applicable
2618 2010-01-24 Mark Mitchell <mark@codesourcery.com>
2621 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
2622 mangling of va_list in system headers.
2624 2010-01-23 Toon Moene <toon@moene.org>
2626 * tree-predcom.c (combine_chains): Return NULL, not false.
2628 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
2630 * tree-loop-distribution.c (distribute_loop): Fix declaration and
2631 initialization of variable res to agree with return type.
2633 2010-01-22 Steve Ellcey <sje@cup.hp.com>
2635 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
2636 * tree-sra.c: Add include of expr.h.
2638 2010-01-22 Jakub Jelinek <jakub@redhat.com>
2640 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
2641 insert the debug stmt on the single non-EH edge from the stmt.
2643 2010-01-22 Richard Henderson <rth@redhat.com>
2646 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
2647 the RHS until after generate_subtree_copies has insertted its
2648 code before the current statement.
2650 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
2652 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
2654 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
2656 2010-01-21 Martin Jambor <mjambor@suse.cz>
2658 PR tree-optimization/42585
2659 * tree-sra.c (struct access): New field grp_total_scalarization.
2660 (dump_access): Dump the new field.
2661 (should_scalarize_away_bitmap): New variable.
2662 (cannot_scalarize_away_bitmap): Likewise.
2663 (sra_initialize): Allocate new bitmaps.
2664 (sra_deinitialize): Free new bitmaps.
2665 (create_access_1): New function.
2666 (create_access): Parts moved to create_access_1.
2667 (type_consists_of_records_p): New function.
2668 (completely_scalarize_record): Likewise.
2669 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
2670 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
2671 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
2673 (analyze_all_variable_accesses): Completely scalarize small eligible
2676 2010-01-21 Martin Jambor <mjambor@suse.cz>
2678 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
2680 2010-01-21 Andrew Haley <aph@redhat.com>
2682 * gcc.c (process_command): Move lang_specific_driver before
2683 setting cc_libexec_prefix.
2685 2010-01-21 Richard Guenther <rguenther@suse.de>
2688 * fold-const.c (negate_expr_p): Pretend only negative
2689 real constants are easily negatable.
2691 2010-01-20 Janis Johnson <janis187@us.ibm.com>
2692 Jason Merrill <jason@redhat.com>
2694 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
2695 (TYPE_TRANSPARENT_AGGR): this, for union and record.
2696 * calls.c (initialize argument_information): Handle it.
2697 * c-common.c (handle_transparent_union_attribute): Use new name.
2698 * c-decl.c (finish_struct): Ditto.
2699 * c-typeck.c (type_lists_compatible_p): Ditto.
2700 (convert_for_assignment): Use new name and also handle record.
2701 * function.c (aggregate_value_p): Handle it.
2702 (pass_by_reference): Ditto.
2703 (assign_parm_data_types): Ditto.
2704 * print-tree.c (print_node): Ditto.
2705 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
2706 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
2707 * tree.c (first_field): New fn.
2709 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
2712 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
2713 even when linking statically, for now.
2715 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
2718 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
2719 without a cselib val.
2720 (count_uses): Accept MO_VAL_SET with no val on stores.
2721 (add_stores): Likewise.
2723 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2725 * var-tracking.c (check_value_val): Add a compile time assertion.
2726 (dv_is_decl_p): Simplify.
2727 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
2728 gcc_assert if ENABLE_CHECKING.
2730 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
2733 * var-tracking.c: Include tree-flow.h.
2734 (mem_dies_at_call): New.
2735 (dataflow_set_preserve_mem_locs): Use it.
2736 (dataflow_set_remove_mem_locs): Likewise.
2737 (dump_var): Renamed from dump_variable. Adjust all callers.
2738 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
2739 * Makefile.in (var-tracking.o): Adjust deps.
2741 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
2743 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
2745 2010-01-20 Richard Guenther <rguenther@suse.de>
2747 PR tree-optimization/42717
2748 * tree-ssa-dce.c (get_live_post_dom): Remove.
2749 (forward_edge_to_pdom): Take an arbitrary edge to copy
2750 degenerate PHI args from.
2751 (remove_dead_stmt): Use the first post-dominator even if it
2752 does not contain live statements as redirection destination.
2754 2010-01-20 Richard Guenther <rguenther@suse.de>
2756 * tree-inline.c (estimate_num_insns): Handle EH builtins.
2758 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2760 * sel-sched.c (create_speculation_check): Remove set but not used
2762 (try_transformation_cache): Remove set but not used variable ds.
2763 (calculate_privileged_insns): Remove set but not used variables
2764 cur_insn and min_spec_insn.
2765 (find_best_expr): Remove set but not used variable avail_n.
2766 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
2768 * cgraphunit.c (assemble_thunk): Remove set but not used variable
2770 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
2771 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
2774 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
2777 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
2778 cpu types. Add support for *-sse3 cpu types.
2779 (x86_64-*-*): Ditto.
2781 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2784 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
2785 argument, call initializer_constant_valid_p_1 instead of
2786 initializer_constant_valid_p, pass CACHE to it, return NULL
2787 immediately if first call returns NULL.
2788 (initializer_constant_valid_p_1): New function.
2789 (initializer_constant_valid_p): Use it.
2791 2010-01-20 Thomas Quinot <quinot@adacore.com>
2793 * tree.def (PLACEHOLDER_EXPR): Fix comment.
2795 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2797 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
2798 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
2799 (loc_list_from_tree): Don't handle unsigned division. Handle
2800 signed modulo using DW_OP_{over,over,div,mul,minus}.
2801 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
2802 modulo instead of signed.
2804 2010-01-20 DJ Delorie <dj@redhat.com>
2806 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
2808 (h8300_emit_stack_adjustment): Propogate it.
2810 (h8300_expand_prologue): Likewise.
2811 (h8300_expand_epilogue): Likewise.
2813 2010-01-19 Michael Matz <matz@suse.de>
2815 PR tree-optimization/41783
2816 * tree-data-ref.c (toplevel): Include flags.h.
2817 (dump_data_dependence_relation): Also dump the inputs if the
2818 result will be unknown.
2819 (split_constant_offset_1): Look through some conversions.
2820 * tree-predcom.c (determine_roots_comp): Restart a new chain if
2821 the offset from last element is too large.
2822 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
2823 (reassociate_to_the_same_stmt): Handle vector registers.
2824 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
2826 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
2827 wide_prolog_niters argument, emit widening instructions.
2828 (vect_do_peeling_for_alignment): Adjust caller, use widened
2829 variant of the iteration cound.
2830 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
2832 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2835 * config/arm/neon-testgen.m (emit_automatics): New parameter
2836 features. Adjust for Fixed_return_reg feature.
2837 (test_intrinsic): Call emit_automatics with new feature.
2838 * config/arm/neon.ml: Update copyright years.
2839 (features): New Fixed_return_reg feature.
2840 (ops): Update feature for Vget_low.
2842 2010-01-19 Jakub Jelinek <jakub@redhat.com>
2844 PR tree-optimization/42719
2845 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
2849 * fwprop.c (all_uses_available_at): Return false if def_set dest
2850 is a REG that is used in def_insn.
2852 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
2854 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
2856 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
2859 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
2861 * target.h (struct gcc_target) <secondary_reload>: Change type
2862 of last argument to secondary_reload_info *.
2864 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
2867 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
2868 memory references with unaligned offsets. Remove CQImode handling.
2869 (unaligned_memory_operand): Return 1 for memory references with
2870 unaligned offsets. Remove CQImode handling.
2872 2010-01-18 Richard Guenther <rguenther@suse.de>
2875 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
2878 2010-01-18 Richard Guenther <rguenther@suse.de>
2880 PR tree-optimization/42781
2881 * tree-ssa-structalias.c (find_what_var_points_to): Skip
2882 restrict processing only if the original variable was artificial.
2884 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
2886 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
2887 find number of popped argument bytes.
2889 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
2890 Fix the text that describes the return value for invalid insns.
2892 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
2894 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
2895 Clarify what 'cost of the -dependence' is. Fix quoting.
2897 * toplev.c (default_get_pch_validity): Rename argument to "sz".
2898 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
2900 2010-01-17 Jakub Jelinek <jakub@redhat.com>
2902 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
2903 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
2905 2010-01-17 Richard Guenther <rguenther@suse.de>
2908 * function.c (split_complex_args): Take a VEC to modify.
2909 (assign_parms_augmented_arg_list): Build a VEC instead of
2910 a chain of PARM_DECLs.
2911 (assign_parms_unsplit_complex): Take a VEC of arguments.
2912 Do not fixup unmodified parms.
2913 (assign_parms): Deal with the VEC.
2914 (gimplify_parameters): Likewise.
2916 2010-01-17 Richard Guenther <rguenther@suse.de>
2918 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
2919 node existence check.
2920 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
2921 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
2922 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
2923 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
2924 (gimple_execute_on_growing_pred): Likewise.
2926 2010-01-17 Richard Guenther <rguenther@suse.de>
2928 PR tree-optimization/42773
2929 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
2930 (compute_antic_aux): Likewise.
2931 (compute_partial_antic_aux): Likewise.
2933 2010-01-17 Jie Zhang <jie.zhang@analog.com>
2936 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
2939 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
2941 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
2944 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
2945 Fix markup for strict argument.
2947 (TARGET_SCHED_REORDER2): Fix argument types.
2949 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
2950 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
2952 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
2953 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
2955 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
2958 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
2959 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
2960 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
2961 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
2962 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
2964 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
2966 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
2968 (TARGET_ASM_RELOC_RW_MASK): Add return type.
2969 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
2971 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
2973 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
2976 (TARGET_ASM_NAMED_SECTION): Fix argument list.
2978 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
2979 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
2981 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
2983 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
2985 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
2986 referring to it. Fix language.
2988 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
2990 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
2992 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
2994 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
2996 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
2997 '@var{stream}. Remove stray 'and'.
2999 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
3001 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
3003 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
3005 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
3006 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
3008 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
3009 Fix description of return value.
3010 Rename argument "sz" to "len."
3012 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
3013 Clarify meaning of 'true' return value.
3015 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
3017 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
3018 rep_mode versus mode_rep.
3020 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
3022 (TARGET_BUILTIN_DECL): Fix name.
3024 (TARGET_COMMUTATIVE_P): Fix type of first argument.
3026 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
3028 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
3030 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
3032 (TARGET_RELAXED_ORDERING): Use @deftypevr.
3034 (TARGET_GET_DRAP_RTX): Note that this is a hook.
3037 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
3038 Rename argument tm_fn to md_fn.
3040 (TARGET_OPTION_PRINT): Fix argument list.
3042 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
3045 * config/i386/i386.c (ix86_fixup_binary_operands):
3046 Revert FMA4 fixup of operands.
3048 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3051 * Makefile.in (write_entries_to_file, install-plugin):
3052 Use \012 instead of \n with tr.
3054 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
3056 * configure.ac (HAVE_AS_REF): New C macro.
3057 * configure: Regenerate.
3058 * config.in: Likewise.
3059 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
3061 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
3064 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
3066 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
3068 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
3070 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
3072 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
3074 (TARGET_IN_SMALL_DATA_P): Fix argument type.
3076 (TARGET_BINDS_LOCAL_P): Fix argument type.
3078 (TARGET_ASM_FILE_END): Use prototype.
3080 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
3082 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
3084 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
3086 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
3088 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
3089 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
3091 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
3092 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
3094 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
3095 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
3096 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
3097 (TARGET_ADDR_SPACE_CONVERT): Likewise.
3099 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
3101 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
3103 (TARGET_INIT_BUILTINS): Use prototype.
3105 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
3106 Put 'const char *' in braces. Fix parameter types.
3107 (TARGET_INVALID_CONVERSION): Fix parameter types.
3108 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
3109 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
3111 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
3114 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
3116 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
3118 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
3120 * doc/tm.texi (TARGET_HELP): Fix return type.
3122 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
3123 in braces. Fix argument types.
3125 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
3127 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
3129 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
3131 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
3132 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
3134 (TARGET_MANGLE_TYPE): Fix argument types.
3136 (TARGET_IRA_COVER_CLASSES): Use prototype.
3138 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
3140 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
3142 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
3144 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
3146 (TARGET_CALLEE_COPIES): Fix argument types.
3148 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
3150 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
3152 (TARGET_FUNCTION_VALUE): Fix argument types.
3154 (TARGET_RETURN_IN_MSB): Fix argument type.
3156 (TARGET_RETURN_IN_MEMORY): Fix argument types.
3158 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
3160 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
3162 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
3163 agree with return type.
3165 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
3167 2010-01-15 Jing Yu <jingyu@google.com>
3169 PR rtl-optimization/42691
3170 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
3171 a pseudo to a constant and are merged, and adjust comments.
3173 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
3175 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
3177 2010-01-15 Richard Guenther <rguenther@suse.de>
3180 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
3181 labels of computed or non-local gotos to the destination.
3182 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
3183 landing pad label is the first label.
3185 2010-01-15 Richard Guenther <rguenther@suse.de>
3187 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
3189 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
3192 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
3193 to allow generation of the xssqrtdp instruction on power7.
3194 (sqrtdf2_fpr): Ditto.
3196 2010-01-14 Jakub Jelinek <jakub@redhat.com>
3199 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
3200 functions with noreturn attribute.
3203 * varasm.c (declare_weak): Add weak attribute to decl if it
3204 doesn't have one already.
3205 (assemble_external): Only add decls to weak_decls if they also
3206 have weak attribute.
3208 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
3210 * var-tracking.c (var_reg_delete): Don't delete the association
3211 between REGs and values or one-part variables if the register
3214 2010-01-14 Jakub Jelinek <jakub@redhat.com>
3217 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
3218 because its first operand is a non-localized variable.
3220 2010-01-14 Martin Jambor <mjambor@suse.cz>
3222 PR tree-optimization/42706
3223 * tree-sra.c (encountered_recursive_call): New variable.
3224 (encountered_unchangable_recursive_call): Likewise.
3225 (sra_initialize): Initialize both new variables.
3226 (callsite_has_enough_arguments_p): New function.
3227 (scan_function): Call decl and flags check only for IPA-SRA, check
3228 whether there is a recursive call and whether it has enough arguments.
3229 (all_callers_have_enough_arguments_p): New function.
3230 (convert_callers): Look for recursive calls only when
3231 encountered_recursive_call is set.
3232 (ipa_early_sra): Bail out either if
3233 !all_callers_have_enough_arguments_p or
3234 encountered_unchangable_recursive_call.
3236 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3238 * sel-sched.c: Add 2010 to copyright years.
3239 * sel-sched-ir.c: Likewise.
3240 * sel-sched-ir.h: Likewise.
3242 2010-01-14 Martin Jambor <mjambor@suse.cz>
3244 PR tree-optimization/42714
3245 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
3246 constructors specially.
3248 2010-01-14 Andi Kleen <ak@linux.intel.com>
3250 * config/i386/drivers-i386.c (detect_caches_intel):
3251 Add l2sizekb parameter and fill in.
3252 (host_detect_local_cpu): Add l2sizekb, fill in.
3253 Add Atom small cache heuristic.
3255 2010-01-14 Andi Kleen <ak@linux.intel.com>
3257 * config/i386/drivers-i386.c (detect_caches_cpuid4):
3258 Add level3 parameter and fill in.
3259 (detect_caches_intel): Handle level3 cache.
3261 2010-01-14 Andi Kleen <ak@linux.intel.com>
3263 * config/i386/drivers-i386.c (host_detect_local_cpu):
3264 Fix core duo detection.
3266 2010-01-14 Andi Kleen <ak@linux.intel.com>
3268 * config/i386/drivers-i386.c (host_detect_local_cpu):
3271 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3273 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
3274 (rs6000_variable_issue_1): this. Use...
3275 (rs6000_variable_issue): here. Reimplement. Print debug info.
3277 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3279 * sel-sched-ir.c (sel_restore_other_notes): Rename to
3280 sel_restore_notes. Update all callers. Call reemit_notes
3283 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3285 PR rtl-optimization/42246
3286 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
3289 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3291 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
3292 all successors is the same as number of successors in current region.
3294 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3296 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
3297 to rename is not separable. Otherwise check that its LHS is not NULL.
3299 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3301 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
3303 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3305 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
3306 available registers when failed to discover LHS register class.
3307 Fix indentation. Update comment.
3309 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3310 Alexander Monakov <amonakov@ispras.ru>
3312 PR rtl-optimization/42389
3313 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
3315 (advance_state_on_fence): Likewise.
3316 (sel_target_adjust_priority): Print debug output only when
3317 sched_verbose >= 4, not 2.
3318 (get_expr_cost): Do not issue all unique insns on the next cycle.
3319 (fill_insns): Initialize can_issue_more from the value saved
3321 * sel-sched-ir.c (flist_add): New parameter issue_more.
3322 Init FENCE_ISSUE_MORE with it.
3323 (merge_fences): Likewise.
3324 (init_fences): Update call to flist_add.
3325 (add_to_fences, add_clean_fence_to_fences)
3326 (add_dirty_fence_to_fences): Likewise.
3327 (move_fence_to_fences): Update call to merge_fences.
3328 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
3330 * sel-sched-ir.h (struct _fence): New field issue_more.
3331 (FENCE_ISSUE_MORE): New accessor macro.
3333 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3335 PR rtl-optimization/42388
3336 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
3337 that have no predecessors nor successors. Do not call move_bb_info
3338 for empty blocks outside of current region.
3340 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3342 PR rtl-optimization/42294
3343 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
3344 * sel-sched.c (move_exprs_to_boundary): Transitively add all
3345 originators' originators.
3347 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3349 PR rtl-optimization/39453
3350 PR rtl-optimization/42246
3351 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
3353 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
3355 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3356 Alexander Monakov <amonakov@ispras.ru>
3359 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
3360 (maybe_tidy_empty_bb): ... here. Make static. Add new
3361 argument. Update all callers.
3362 (tidy_control_flow): ... and here. Recompute topological order
3363 of basic blocks in region if necessary.
3364 (sel_redirect_edge_and_branch): Change return type. Return true
3365 if topological order might have been invalidated.
3366 (purge_empty_blocks): Export and move from...
3367 * sel-sched.c (purge_empty_blocks): ... here.
3368 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
3369 (maybe_tidy_empty_bb): Delete prototype.
3370 (purge_empty_blocks): Declare.
3372 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3374 PR rtl-optimization/42249
3375 * sel-sched.c (try_replace_dest_reg): When chosen register
3376 and original register is the same, do not bail out early, but
3377 still check all original insns for validity of replacing destination
3378 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
3381 2010-01-14 Jakub Jelinek <jakub@redhat.com>
3384 Port from no-undefined-overflow branch:
3385 2009-03-09 Richard Guenther <rguenther@suse.de>
3387 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
3389 2010-01-14 Richard Guenther <rguenther@suse.de>
3392 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
3394 2010-01-14 Ira Rosen <irar@il.ibm.com>
3396 PR tree-optimization/42709
3397 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
3398 as scalar type in creation of constant vector operand.
3400 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3403 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
3404 (check-parallel-%): Match `testsuite' directory component only
3407 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
3409 PR translation/39521
3410 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
3413 2010-01-13 Richard Guenther <rguenther@suse.de>
3415 PR tree-optimization/42730
3416 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
3419 2010-01-13 Steve Ellcey <sje@cup.hp.com>
3422 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
3423 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
3426 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
3428 * config/bfin/libgcc-bfin.ver: Regenerate based on current
3429 libgcc-std.ver. Add entries for ___smulsi3_highpart and
3430 ___umulsi3_highpart.
3432 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
3433 rather than schedule_insns if the pass is enabled.
3435 2010-01-13 Martin Jambor <mjambor@suse.cz>
3437 PR tree-optimization/42704
3438 * tree-sra.c (sra_modify_assign): Do not delete assignments to
3441 2010-01-13 Martin Jambor <mjambor@suse.cz>
3443 PR tree-optimization/42703
3444 * tree-sra.c (analyze_access_subtree): Check that we can build a
3445 reference to the original data within the aggregate.
3447 2010-01-13 Richard Guenther <rguenther@suse.de>
3449 PR tree-optimization/42705
3450 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
3452 2010-01-13 Richard Guenther <rguenther@suse.de>
3455 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
3457 2010-01-13 Jakub Jelinek <jakub@redhat.com>
3460 * var-tracking.c (values_to_unmark): New variable.
3461 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
3462 values_to_unmark vector. Moved body to...
3463 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
3464 instead queue it into values_to_unmark vector.
3465 (vt_find_locations): Free values_to_unmark vector.
3467 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
3469 * config/s390/s390.c (override_options): Set
3470 default of max-pending-list-length to 256
3472 2010-01-13 Richard Guenther <rguenther@suse.de>
3475 * tree-pass.h (PROP_gimple_lcx): New.
3476 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
3477 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
3478 before the final cleanup_eh.
3479 (dump_properties): Dump PROP_gimple_lcx.
3480 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
3481 (tree_lower_complex_O0): Remove.
3482 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
3483 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
3484 tree_lower_complex, schedule TODO_update_ssa.
3485 * lto-streamer-out.c (output_function): Stream the functions
3487 * lto-streamer-in.c (input_function): Likewise.
3488 (lto_read_body): Do not override them here.
3490 2010-01-12 Joseph Myers <joseph@codesourcery.com>
3493 * c-typeck.c (build_c_cast): Fold value cast to union type before
3494 wrapping it in a CONSTRUCTOR.
3496 2010-01-12 Jakub Jelinek <jakub@redhat.com>
3498 PR rtl-optimization/42699
3499 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
3502 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3504 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
3505 SUBTARGET_WARN_UNUSED_SPEC): Move ...
3506 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
3507 SUBTARGET_WARN_UNUSED_SPEC): ... here
3508 * config/mips/iris5.h (LIBGCC_SPEC): Define.
3510 2010-01-12 Julian Brown <julian@codesourcery.com>
3512 * config/arm/neon-schedgen.ml (Utils): Don't try to
3513 open missing module.
3514 (find_with_result): New.
3516 2010-01-12 Jakub Jelinek <jakub@redhat.com>
3519 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
3520 sharing when canonicalizing ({lt,ge}u (plus a b) b).
3522 PR tree-optimization/42645
3523 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
3524 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
3525 decl_map, set processing_debug_stmt to -1 and return name without
3528 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
3530 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
3531 binutils version, and reword target configuration description.
3533 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
3535 * config/avr/avr.h (LINKER_NAME): Remove.
3537 2010-01-11 Janis Johnson <janis187@us.ibm.com>
3540 * config/rs6000/rs6000.c (rs6000_override_options): On targets
3541 that support VSX, warn for -mno-altivec if vsx is not disabled,
3544 2010-01-11 Joseph Myers <joseph@codesourcery.com>
3545 Shujing Zhao <pearly.zhao@oracle.com>
3547 PR translation/42469
3548 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
3549 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
3550 character between option name and help text.
3551 * c.opt (imultilib): Likewise.
3553 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
3555 * lto-streamer-out.c (output_unreferenced_globals): Output static
3558 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
3560 PR rtl-optimization/42621
3561 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
3562 optimizing for size.
3563 (duplicate_computed_gotos): Remove now-redundant check.
3565 2010-01-10 Steve Ellcey <sje@cup.hp.com>
3568 * configure.ac: Save and restore LDFLAGS and LIBS
3569 * configure: Regenerate.
3571 2010-01-10 Richard Guenther <rguenther@suse.de>
3574 * builtins.c (fold_builtin_strlen): Add type argument and
3575 convert the resulting length to it.
3576 (fold_builtin_1): Adjust.
3578 2010-01-09 Jakub Jelinek <jakub@redhat.com>
3580 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
3581 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
3583 (num_insns_constant_wide): Adjust for that change.
3585 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3588 * web.c (union_defs): Add used argument, to combine uses of
3590 (entry_register): Adjust type and tests of used argument.
3591 (web_main): Widen used for new use. Pass it to union_defs.
3592 * df.h (union_defs): Adjust prototype.
3594 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3597 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
3598 uses in new incoming argument. Free body.
3599 (reset_debug_uses_in_loop): New.
3600 (analyze_insn_to_expand_var): Call the latter if the former found
3601 anything. Fix whitespace. Reject invalid dest overlaps before
3602 going through all insns in the loop.
3604 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3607 * haifa-sched.c (dying_use_p): Debug insns don't count.
3609 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3612 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
3613 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
3614 (verify_gimple_call): Reject LHS in noreturn calls.
3616 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3620 * tree-vect-loop-manip.c (adjust_info): New type.
3621 (adjust_vec): New pointer to vector.
3622 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
3623 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
3624 (slpeel_update_phis_for_duplicate_loop): Use them.
3625 (slpeel_update_phi_nodes_for_guard1): Likewise.
3626 (slpeel_update_phi_nodes_for_guard2): Likewise.
3627 (slpeel_tree_peel_loop_to_edge): Likewise.
3628 (vect_update_ivs_after_vectorizer): Likewise.
3630 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3632 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
3633 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
3635 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3637 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
3638 bogus uninitialized warning.
3640 2010-01-09 Richard Guenther <rguenther@suse.de>
3643 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
3644 the evolution is compatible with the initial condition.
3646 2010-01-09 Jakub Jelinek <jakub@redhat.com>
3648 * gcc.c (process_command): Update copyright notice dates.
3649 * gcov.c (print_version): Likewise.
3650 * gcov-dump.c (print_version): Likewise.
3651 * mips-tfile.c (main): Likewise.
3652 * mips-tdump.c (main): Likewise.
3654 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
3657 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
3659 (rotlhi3_8): Delete.
3661 (rotlsi3_8): Delete.
3662 (rotlsi3_16): Delete.
3663 (rotlsi3_24): Delete.
3665 (*rotw<mode>3): New.
3666 (*rotb<mode>3): New.
3667 * config/avr/avr.c (avr_rotate_bytes): New function.
3668 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
3670 2010-01-08 Steve Ellcey <sje@cup.hp.com>
3673 * configure.ac: Modify -rdynamic check.
3674 * configure: Regenerate.
3676 2010-01-08 DJ Delorie <dj@redhat.com>
3678 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
3679 register popping order.
3681 2010-01-08 Richard Guenther <rguenther@suse.de>
3684 * c.opt (fsigned-char): Also let LTO handle this option.
3685 (funsigned-char): Likewise.
3687 2010-01-07 Richard Guenther <rguenther@suse.de>
3689 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
3690 (gimple_op): Likewise.
3691 (gimple_op_ptr): Likewise.
3692 (gimple_assign_set_lhs): Remove gcc_assert.
3693 (gimple_assign_set_rhs1): Likewise.
3694 (gimple_assign_set_rhs2): Likewise.
3695 (gimple_call_set_lhs): Likewise.
3696 (gimple_call_set_fn): Likewise.
3697 (gimple_call_set_fndecl): Likewise.
3698 (gimple_call_fndecl): Likewise.
3699 (gimple_call_return_type): Likewise.
3700 (gimple_call_set_chain): Likewise.
3701 (gimple_call_num_args): Likewise.
3702 (gimple_call_set_arg): Likewise.
3703 (gimple_cond_set_code): Likewise.
3704 (gimple_cond_set_lhs): Likewise.
3705 (gimple_cond_set_rhs): Likewise.
3706 (gimple_cond_set_true_label): Likewise.
3707 (gimple_cond_set_false_label): Likewise.
3708 (gimple_label_set_label): Likewise.
3709 (gimple_goto_set_dest): Likewise.
3710 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
3711 (gimple_debug_bind_get_value): Likewise.
3712 (gimple_debug_bind_get_value_ptr): Likewise.
3713 (gimple_debug_bind_set_var): Likewise.
3714 (gimple_debug_bind_set_value): Likewise.
3715 (gimple_debug_bind_reset_value): Likewise.
3716 (gimple_debug_bind_has_value_p): Likewise.
3717 (gimple_return_retval_ptr): Remove gcc_assert.
3718 (gimple_return_retval): Likewise.
3719 (gimple_return_set_retval): Likewise.
3720 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
3721 (safe_referenced_var_iterator): Remove.
3722 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
3723 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
3724 (fill_referenced_var_vec): Remove.
3725 (first_readonly_imm_use): Remove redundant gcc_assert.
3726 (phi_arg_index_from_use): Combine gcc_asserts.
3727 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
3728 (first_imm_use_stmt): Remove redundant gcc_assert.
3729 * tree-cfg.c (verify_gimple_call): Verify function and chain
3730 operands. Verify arguments.
3731 (verify_types_in_gimple_stmt): Verify condition code and labels.
3733 2010-01-07 Richard Guenther <rguenther@suse.de>
3735 PR tree-optimization/42641
3736 * sese.c (rename_map_elt_info): Use the SSA name version, do
3739 2010-01-07 Jakub Jelinek <jakub@redhat.com>
3741 PR tree-optimization/42625
3742 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
3743 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
3745 2010-01-07 Duncan Sands <baldrick@free.fr>
3747 * Makefile.in (PLUGIN_HEADERS): Add version.h.
3749 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
3752 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
3753 note itself is not function_invariant_p.
3755 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
3757 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
3758 Do not add the DF_NOTE problem.
3759 * store-motion.c (execute_rtl_store_motion): Likewise.
3761 2010-01-07 Martin Jambor <mjambor@suse.cz>
3763 PR tree-optimization/42157
3764 * tree-sra.c (compare_access_positions): Stabilize sort if both
3765 accesses have integer types, return zero immediately if they are the
3768 2010-01-06 Richard Henderson <rth@redhat.com>
3771 * haifa-sched.c (add_to_note_list): Merge into ...
3772 (concat_note_lists): ... here, and ...
3773 (unlink_other_notes, rm_other_notes): Merge into...
3774 (remove_notes): ... here. Create REG_SAVE_NOTEs for
3775 NOTE_INSN_EPILOGUE_BEG.
3777 2010-01-06 Richard Guenther <rguenther@suse.de>
3779 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
3780 not inline regular functions into always-inline functions.
3782 2010-01-06 Nick Clifton <nickc@redhat.com>
3784 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
3785 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
3787 (OVERRIDE_OPTIONS): Delete.
3788 (OPTIMIZATION_OPTIONS): Define.
3789 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
3790 * config/rx/rx.c (rx_handle_option): Issue an error message if
3791 -mcpu=rx200 and -fpu are used together.
3792 (rx_set_optimization_options): New function. Issue an error
3793 message if an optimization attribute attempts to reset the FPU/
3794 math optimization pairing.
3795 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
3796 * config/rx/rx.opt: Set the default to 32-bit doubles.
3797 * config/rx/t-rx: Add multilibs for -nofpu option.
3798 * doc/invoke.texi: Update documentation of RX options.
3800 2010-01-06 Richard Guenther <rguenther@suse.de>
3802 * tree-ssa-pre.c (name_to_id): New global.
3803 (alloc_expression_id): Simplify SSA name handling.
3804 (lookup_expression_id): Likewise.
3805 (init_pre): Zero name_to_id.
3806 (fini_pre): Free it.
3808 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
3810 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
3812 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
3815 * config/i386/sse.md (smaxv2di3): New.
3816 (umaxv2di3): Likewise.
3817 (sminv2di3): Likewise.
3818 (uminv2di3): Likewise.
3820 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
3823 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
3824 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
3825 (legitimize_tls_address): Likewise.
3826 (sparc_tls_referenced_p): Likewise.
3827 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
3828 and adjust calls to legitimize_pic_address.
3829 (legitimate_constant_p) Use sparc_tls_referenced_p.
3830 (legitimate_pic_operand_p): Likewise.
3831 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
3832 (sparc_tls_symbol_ref_1): Delete.
3833 (sparc_tls_referenced_p): Make static, recognize specific patterns.
3834 (legitimize_tls_address): Make static, handle CONST patterns.
3835 (legitimize_pic_address): Make static, remove unused parameter and
3836 adjust recursive calls.
3837 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
3838 and adjust call to legitimize_pic_address.
3839 (sparc_output_mi_thunk): Likewise.
3841 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
3842 H.J. Lu <hongjiu.lu@intel.com>
3845 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
3846 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
3847 operands to make them signed.
3850 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
3853 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
3854 GTU to GT for V4SI and V2DI.
3856 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
3857 (umin<mode>3): Removed.
3859 (uminv4si3): Likewise.
3861 2010-01-05 Martin Jambor <mjambor@suse.cz>
3863 PR tree-optimization/42462
3864 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
3865 current_function_decl to helper functions and macros.
3867 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3870 * flags.h: Don't include real.h.
3871 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
3872 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
3873 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
3874 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
3875 * dominance.c: Update copyright.
3876 * gimple.c (walk_gimple_op): Remove inline.
3877 * tree-ssa-reassoc.c: Include real.h.
3878 * Makefile.in (FLAGS_H): Remove $(REAL_H).
3879 (tree-ssa-reassoc.o): Depend on $(REAL_H).
3881 2010-01-05 Nick Clifton <nickc@redhat.com>
3883 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
3884 register to push into the stack frame when the accumulator has to
3885 be saved during interrupts.
3887 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
3889 * doc/invoke.texi: Remove the documentation about option
3891 * common.opt (Wunreachable-code): Preserved for backward
3893 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
3894 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
3895 the backward compatibility flag section.
3897 2010-01-05 Richard Guenther <rguenther@suse.de>
3899 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
3901 2010-01-05 Jakub Jelinek <jakub@redhat.com>
3904 * cfgexpand.c (expand_one_var): Diagnose too large variables.
3906 PR tree-optimization/42508
3907 * tree-sra.c (convert_callers): Check for recursive call
3908 by comparing cgraph nodes instead of decls.
3909 (modify_function): Call ipa_modify_formal_parameters also
3910 on all same_body aliases.
3912 * cgraphunit.c (cgraph_materialize_all_clones): Compare
3913 cgraph nodes when checking for same_body aliases.
3915 2010-01-05 Richard Guenther <rguenther@suse.de>
3917 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
3918 allocation and lookup.
3919 (get_or_alloc_expr_for_constant): Likewise.
3920 (phi_translate): Sink allocation.
3922 2010-01-04 Richard Guenther <rguenther@suse.de>
3924 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
3925 a new entry only if needed.
3926 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
3927 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
3929 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
3931 (phi_translate): Handle CONSTANTs early.
3933 2010-01-04 Martin Jambor <mjambor@suse.cz>
3935 PR tree-optimization/42398
3936 * tree-sra.c (struct access): Removed flag grp_different_types.
3937 (dump_access): Do not dump the removed flag.
3938 (sort_and_splice_var_accesses): Do not set the removed flag.
3939 (sra_modify_expr): Check for type compatibility directly.
3941 2010-01-04 Martin Jambor <mjambor@suse.cz>
3943 PR tree-optimization/42366
3944 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
3945 edges with variable number of parameters.
3946 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
3947 flag instead of asserting it.
3948 (ipa_read_node_info): Read uses_analysis_done flag.
3950 2010-01-04 Richard Guenther <rguenther@suse.de>
3952 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
3953 iterative_hash_* as intended.
3954 (vn_reference_compute_hash): Likewise. Simplify hashing
3956 (vn_reference_lookup_2): Likewise.
3957 (vn_nary_op_compute_hash): Likewise.
3958 (vn_phi_compute_hash): Likewise.
3959 (expressions_equal_p): Remove strange code.
3960 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
3961 (pre_expr_hash): Likewise. Simplify hashing SSA names.
3962 (bitmap_insert_into_set_1): Take value-id as parameter.
3963 (add_to_value): Pass it.
3964 (bitmap_insert_into_set): Likewise.
3965 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
3967 2010-01-04 Jakub Jelinek <jakub@redhat.com>
3970 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
3971 (do_self_spec): For switches with SWITCH_IGNORE set set also
3972 SWITCH_IGNORE_PERMANENTLY.
3973 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
3976 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
3978 * lto-streamer-out.c (output_unreferenced_globals): Output the full
3979 tree of an unreferenced global var.
3981 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
3984 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
3985 GTU to GT for V4SI and V2DI.
3987 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
3988 (umin<mode>3): Removed.
3990 (uminv4si3): Likewise.
3992 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
3995 * collect2.c (main): Turn on trace in collect2 if -v is passed
3998 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
4000 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
4001 description of expression operand.
4003 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
4005 * configure.ac: Add install-html to target_list for Make-hooks.
4006 * configure: Regenerate.
4007 * fortran/Make-lang.in (F95_HTMLFILES): New.
4008 (fortran.html): Use it.
4009 (fortran.install-html): New.
4010 * Makefile.in (install-html): Add lang.install-html.
4011 * java/Make-lang.in (JAVA_HTMLFILES): New.
4012 (java.html): Use it.
4013 (java.install-html): New.
4014 * objc/Make-lang.in (objc.install-html): New.
4015 * objcp/Make-lang.in (obj-c++.install-html): New.
4016 * cp/Make-lang.in (c++.install-html): New.
4017 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
4018 * lto/Make-lang.in (lto.install-html): New.
4020 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
4023 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
4025 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
4027 PR rtl-optimization/41862
4028 * store-motion.c (store_killed_in_insn, compute_store_table,
4029 remove_reachable_equiv_notes, replace_store_insn,
4030 build_store_vectors): Ignore all DEBUG_INSNs.
4032 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
4035 * common.opt: Add dumpdir.
4037 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
4039 (option_map): Add --dumpdir.
4041 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
4043 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
4045 * opts.c (decode_options): Try dump_dir_name first if
4046 dump_base_name isn't an absolute path.
4047 (common_handle_option): Handle OPT_dumpdir.
4049 * toplev.c (dump_dir_name): New.
4050 (print_switch_values): Also ignore -dumpdir.
4052 * toplev.h (dump_dir_name): New.
4054 2010-01-03 Richard Guenther <rguenther@suse.de>
4056 PR tree-optimization/42589
4057 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
4058 double-word expansion of bswap32.
4060 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
4062 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
4063 with BLOCK_FOR_INSN.
4064 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
4065 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
4066 noce_process_if_block): Likewise.
4067 * gcse.c (compute_local_properties, insert_expr_in_table,
4068 insert_set_in_table, canon_list_insert, find_avail_set,
4069 pre_insert_copy_insn): Likewise.
4071 * basic-block.h (BLOCK_NUM): Move from here...
4072 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
4074 2010-01-03 Richard Guenther <rguenther@suse.de>
4076 PR tree-optimization/42438
4077 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
4078 contains_may_not_return_call flag.
4079 (BB_MAY_NOTRETURN): New.
4080 (valid_in_sets): Trapping nary operations are not valid
4081 in blocks that may not return.
4082 (insert_into_preds_of_block): Remove check for trapping expressions.
4083 (compute_avail): Compute also BB_MAY_NOTRETURN.
4085 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
4087 * doc/invoke.texi: Add 2010 to copyright years.
4089 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
4091 * config/sparc/sparc.c: Fix formatting nits.
4093 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
4094 Alexander Monakov <amonakov@ispras.ru>
4096 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
4098 2010-01-02 Richard Guenther <rguenther@suse.de>
4101 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
4102 (simplify_switch_using_ranges): Mark to be removed edges
4105 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4107 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
4109 * collect2.c (scan_libraries): Add missing argument in call to
4112 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
4115 * config/alpha/predicates.md (aligned_memory_operand): Return false
4117 (unaligned_memory_operand): Return true for CQImode.
4118 * config/alpha/alpha.c (get_aligned_mem): Assert that location
4119 doesn not cross aligned SImode word boundary.
4121 2010-01-02 Anatoly Sokolov <aesok@post.ru>
4123 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
4125 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
4126 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
4128 2010-01-02 Richard Guenther <rguenther@suse.de>
4131 * toplev.c (compile_file): Emit LTO marker properly. Change
4133 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
4135 2010-01-01 Richard Guenther <rguenther@suse.de>
4138 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
4140 2010-01-01 Richard Guenther <rguenther@suse.de>
4143 * c-decl.c (grokdeclarator): For zero-size arrays force
4144 structural equality checks as layout_type does.
4146 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
4148 * builtins.c: Update copyright to 2010.
4150 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
4153 * lto-streamer-out.c (produce_asm): Revert the last change.
4154 (copy_function): Likewise.
4156 * lto-streamer.c (lto_get_section_name): Skip any leading
4159 2010-01-01 Richard Guenther <rguenther@suse.de>
4162 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
4166 Copyright (C) 2010 Free Software Foundation, Inc.
4168 Copying and distribution of this file, with or without modification,
4169 are permitted in any medium without royalty provided the copyright
4170 notice and this notice are preserved.