1 2010-03-18 Jakub Jelinek <jakub@redhat.com>
4 * var-tracking.c (vt_init_cfa_base): Do nothing if
5 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed
8 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
11 * var-tracking.c (canonicalize_vars_star): New.
12 (dataflow_post_merge_adjust): Use it.
14 2010-03-18 Jakub Jelinek <jakub@redhat.com>
17 * var-tracking.c (non_suitable_const): New function.
18 (add_uses): For DEBUG_INSNs with constants, don't record any
19 value, instead just the constant value itself.
20 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
21 is not VAR_LOC_UNKNOWN_P, set var to the constant.
22 (emit_notes_in_bb): Likewise.
23 (emit_note_insn_var_location): For onepart variables if
24 cur_loc is a VOIDmode constant, use DECL_MODE.
26 2010-03-18 Martin Jambor <mjambor@suse.cz>
29 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
30 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
31 all non-clones. Moved call redirection...
32 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new
34 (cgraph_materialize_all_clones): Dispose of all
35 combined_args_to_skip bitmaps.
36 (verify_cgraph_node): Do not check for edges pointing to wrong
37 nodes in inline clones.
38 * tree-inline.c (copy_bb): Call
39 cgraph_redirect_edge_call_stmt_to_callee.
40 * ipa.c (cgraph_remove_unreachable_nodes): Call
41 cgraph_node_remove_callees even when there are used clones.
43 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
45 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
47 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
50 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
53 2010-03-18 Michael Matz <matz@suse.de>
56 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
57 into sqrt(x) if we need to preserve signed zeros.
59 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
60 Eric Botcazou <ebotcazou@adacore.com>
62 PR rtl-optimization/43360
63 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
64 note if we don't know its invariant status.
66 2010-03-18 Michael Matz <matz@suse.de>
68 PR tree-optimization/43402
69 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
70 PHI chains of ssa names registered for update.
72 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
75 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
76 non-offsettable and pre_modify update addressing.
77 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
78 and "2" alternatives "#".
79 (*movdd_softfloat32): Make all alternatives "#";
80 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
81 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
82 (*movdf_softfloat32): Make all alternatives "#";
83 (movdi): Use the new DIFD mode iterator to create a common splitter
84 for movdi, movdf and movdd patterns.
86 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
88 * common.opt (dumpdir): Remove redundant tab.
90 2010-03-17 Martin Jambor <mjambor@suse.cz>
92 PR tree-optimization/43347
93 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
94 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
96 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
98 PR rtl-optimization/42216
99 * regrename.c (create_new_chain): New function, broken out from...
100 (scan_rtx_reg): ... here. Call it. Handle the case where we are
101 appending a use to an empty chain.
102 (build_def_use): Remove previous changes that convert OP_INOUT to
103 OP_OUT operands; instead detect the case where an OP_INOUT operand
104 uses a previously untracked register and create an empty chain for
107 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
109 * doc/extend.texi (Function Attributes): Rewrite unfinished
110 sentence in ms_abi documentation.
112 2010-03-17 Alan Modra <amodra@gmail.com>
114 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
115 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
116 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
117 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
119 2010-03-16 Richard Henderson <rth@redhat.com>
122 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
123 (lower_try_finally): Save and restore eh_seq around the expansion
126 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
128 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
129 statements before splitting block.
131 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
133 * doc/sourcebuild.texi (Testsuites): Fix markup.
134 Use pathnames relative to gcc/testsuite.
135 (Test Directives): Move description of how timeout is determined.
136 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
137 (C Tests): Correct gcc.misc-tests directory.
138 Framework tests now live in gcc.test-framework.
140 2010-03-16 Richard Guenther <rguenther@suse.de>
143 * tree-cfg.c (gimple_merge_blocks): When propagating virtual
144 PHI operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI
147 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
148 Alexandre Oliva <aoliva@redhat.com>
150 PR tree-optimization/42917
151 * lambda-code.c (remove_iv): Skip debug statements.
152 (lambda_loopnest_to_gcc_loopnest): Likewise.
153 (not_interesting_stmt): Debug statements are not interesting.
155 2010-03-16 Jakub Jelinek <jakub@redhat.com>
159 * cselib.c (cselib_preserve_constants,
160 cfa_base_preserved_val): New static variables.
161 (preserve_only_constants): New function.
162 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
163 clear its REG_VALUES. If cselib_preserve_constants, don't
164 empty the whole hash table, but preserve there VALUEs with constants,
165 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
166 (cselib_preserve_cfa_base_value): New function.
167 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
168 (cselib_init): Change argument to int bitfield. Set
169 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
171 (cselib_finish): Clear cselib_preserve_constants and
172 cfa_base_preserved_val.
173 * cselib.h (enum cselib_record_what): New enum.
174 (cselib_init): Change argument to int.
175 (cselib_preserve_cfa_base_value): New prototype.
176 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
177 * dse.c (dse_step1): Likewise.
178 * cfgcleanup.c (thread_jump): Likewise.
179 * sched-deps.c (sched_analyze): Likewise.
180 * gcse.c (local_cprop_pass): Likewise.
181 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
182 If FN is non-NULL, call the callback always and whenever it returns
183 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
184 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
185 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
186 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
187 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
188 * var-tracking.c: Include recog.h.
189 (bb_stack_adjust_offset): Remove.
190 (vt_stack_adjustments): Don't call it, instead just gather the
191 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
192 (adjust_stack_reference): Remove.
193 (compute_cfa_pointer): New function.
194 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
195 (struct adjust_mem_data): New type.
196 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
198 (get_address_mode): New function.
199 (replace_expr_with_values): Use it.
200 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
201 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
202 (adjust_sets): Remove.
203 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
204 Use get_address_mode.
205 (get_adjusted_src): Remove.
206 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
207 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
208 (add_with_sets): Don't call adjust_sets.
209 (fp_setter, vt_init_cfa_base): New functions.
210 (vt_initialize): Change return type to bool. Move most of pool etc.
211 initialization to the beginning of the function from end. Pass
212 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
213 If !frame_pointer_needed, call vt_stack_adjustment before mos
214 vector is filled, call vt_init_cfa_base if argp/framep has been
215 eliminated to sp. If frame_pointer_needed and argp/framep has
216 been eliminated to hard frame pointer, set
217 hard_frame_pointer_adjustment and call vt_init_cfa_base after
218 encountering fp setter in the prologue. For MO_ADJUST, call
219 log_op_type before pusing the op into mos vector, not afterwards.
220 Call adjust_insn before cselib_process_insn/add_with_sets,
221 call cancel_changes (0) afterwards.
222 (variable_tracking_main_1): Adjust for vt_initialize calling
223 vt_stack_adjustments and returning whether it succeeded or not.
225 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
227 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
230 2010-03-15 Jakub Jelinek <jakub@redhat.com>
232 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
234 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
235 drap_reg has not been set.
237 2010-03-15 Michael Matz <matz@suse.de>
240 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
241 use it to expand block copies.
242 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
243 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
244 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
246 2010-03-15 Richard Guenther <rguenther@suse.de>
248 PR tree-optimization/43367
249 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
252 2010-03-15 Richard Guenther <rguenther@suse.de>
254 PR tree-optimization/43317
255 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
257 2010-03-15 Martin Jambor <mjambor@suse.cz>
259 PR tree-optimization/43141
260 * tree-sra.c (create_abstract_origin): New function.
261 (modify_function): Call create_abstract_origin.
263 2010-03-15 Chris Demetriou <cgd@google.com>
265 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
268 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
271 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
272 call insert_out_of_ssa_copy for default definitions.
274 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
276 * graphite-clast-to-gimple.c (my_long_long): Defined.
277 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
278 * graphite-sese-to-poly.c (my_long_long): Defined.
279 (scop_ivs_can_be_represented): Use it.
281 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
283 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
284 graphite-max-bbs-per-function, and loop-block-tile-size.
285 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
287 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
289 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
291 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
293 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
294 (add_upper_bounds_from_estimated_nit): New.
295 (build_loop_iteration_domains): Use it.
297 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
299 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
301 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
304 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
305 should be an INTEGER_CST. Also handle CASE_CONVERT.
307 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
309 * graphite.c (graphite_initialize): To bound the number of bbs per
310 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
311 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
312 * doc/invoke.texi: Document it.
314 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
316 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
317 * graphite-sese-to-poly.h (build_poly_scop): Same.
319 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
321 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
322 the number of parameters in the scop. Use as an upper bound
323 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
324 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
325 * doc/invoke.texi: Document it.
327 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
329 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
330 * doc/c-tree.texi: Remove.
331 * doc/generic.texi: Merge c-tree.texi here.
332 * doc/gccint.texi (Trees): Remove menu entry.
333 (c-tree.texi): Remove @include.
334 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
335 * doc/languages.texi (Reading RTL): Ditto.
337 2010-03-12 Steve Ellcey <sje@cup.hp.com>
340 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
342 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
345 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
346 code added to work around reload clobbering CONST insns.
348 2010-03-12 Jakub Jelinek <jakub@redhat.com>
350 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
351 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
352 (cselib_preserve_only_values): Remove retain argument, don't
353 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
354 * cselib.h (cselib_preserve_only_values): Remove retain argument.
355 * var-tracking.c (micro_operation): Move insn field before union.
356 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
357 (struct variable_tracking_info_def): Remove n_mos field, change
358 mos into a vector of micro_operations.
359 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
360 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
361 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
362 changing into a vector.
363 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
364 come before all other uops generated by add_stores.
365 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
367 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
368 a vector. Run just one pass over the bbs instead of separate counting
369 and computation phase.
370 (vt_finalize): Free VTI (bb)->mos vector instead of array.
373 * tree-inline.c (remap_decls): Put old_var rather than origin_var
374 into *nonlocalized_list vector.
375 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
376 even if origin is non-NULL.
377 (gen_variable_die): Likewise.
378 (process_scope_var): Don't change origin.
379 (gen_decl_die): Likewise.
380 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
381 before adding new edges instead of after it, fix moving over
384 2010-03-11 David S. Miller <davem@davemloft.net>
386 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
388 * configure: Rebuild.
390 2010-03-11 Martin Jambor <mjambor@suse.cz>
392 PR tree-optimization/43257
393 * tree.c (assign_assembler_name_if_neeeded): New function.
394 (free_lang_data_in_cgraph): Assembler name assignment moved to the
396 * tree.h (assign_assembler_name_if_neeeded): Declare.
397 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
398 the function if needed.
400 2010-03-11 Chris Demetriou <cgd@google.com>
402 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
403 include/stdint-gcc.h, and include/stdint.h world-readable.
405 2010-03-11 Richard Guenther <rguenther@suse.de>
407 PR tree-optimization/43255
408 * tree-vrp.c (process_assert_insertions_for): Do not insert
409 asserts for trivial conditions.
411 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
413 PR tree-optimization/43280
414 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
415 generation. Move calculation of size out of the if branch.
416 (find_bswap): Modify compare number generation.
418 2010-03-11 Richard Guenther <rguenther@suse.de>
421 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
422 (input_gimple_stmt): Fixup handled component types during
423 operand read. Also fix up decls in ADDR_EXPRs.
425 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
427 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
428 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
430 2010-03-10 Jan Hubicka <jh@suse.cz>
433 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
434 * varasm.c (get_variable_section): Don't do that here...
435 (make_decl_rtl): ... and here.
436 (do_assemble_alias): Produce decl RTL.
437 (assemble_alias): Likewise.
439 2010-03-10 Jakub Jelinek <jakub@redhat.com>
442 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
443 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
445 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
446 (based_loc_descr): Only express drap or vdrap regno based expressions
447 using DW_OP_fbreg when not optimizing.
448 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
449 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
450 REG_CFA_SET_VDRAP note.
452 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
454 PR tree-optimization/43236
455 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
456 error in calculation of base address in reverse iteration case.
457 (generate_builtin): Take number of latch executions if the statement
460 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
463 * tree-eh.c: Include pointer-set.h.
464 (lower_eh_dispatch): Filter out duplicate case labels and
465 remove the unneeded edge when the label is unused. Return
466 true when some edges are removed.
467 (execute_lower_eh_dispatch): When any lowering resulted in
468 removing an edge, also delete unreachable blocks.
470 2010-03-10 Jakub Jelinek <jakub@redhat.com>
473 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
474 UNSPEC_MACHOPIC_OFFSET.
476 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
479 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
480 (m68k_delegitimize_address): New function.
482 2010-03-09 Jakub Jelinek <jakub@redhat.com>
485 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
488 * var-tracking.c (adjust_sets): New function.
489 (count_with_sets, add_with_sets): Use it.
490 (get_adjusted_src): New inline function.
491 (add_stores): Use it.
494 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
495 call cselib_dummy_expand_value_rtx_cb instead of
496 cselib_expand_value_rtx_cb.
499 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
500 * config/i386/i386.c: Include debug.h and dwarf2out.h.
501 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
502 and .cfi_endproc around the pic thunks.
503 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
504 all queued unwind info register saves are saved before the call.
505 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
506 considered as sp-=4 for unwind info and the pop as sp+=4 which
507 also clobbers dest, but doesn't actually restore it.
510 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
513 2010-03-09 Jie Zhang <jie@codesourcery.com>
515 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
516 whitespaces in output template.
518 2010-03-09 Jie Zhang <jie@codesourcery.com>
520 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
523 2010-03-08 Jakub Jelinek <jakub@redhat.com>
525 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
526 builtins.exp in a separate job.
528 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
530 * graphite-sese-to-poly.c (add_param_constraints): Use
531 lower_bound_in_type and upper_bound_in_type.
533 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
535 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
536 instead of unsigned_type_node.
538 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
539 Reza Yazdani <reza.yazdani@amd.com>
542 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
543 on pointer type parameters.
545 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
549 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
550 handle conversions from pointer to integers.
551 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
552 induction variable, to be able to work with code generated by CLooG.
553 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
554 (build_poly_scop): Bail out if we cannot codegen a loop.
556 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
558 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
559 code generation with gloog_error.
561 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
563 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
564 Call fold_convert on all the returned values.
565 (expand_scalar_variables_expr): Pass to
566 expand_scalar_variables_ssa_name the type of the resulting expression.
568 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
570 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
571 ppl_min_for_le_pointset.
572 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
573 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
575 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
577 * graphite-dependences.c (map_into_dep_poly): Removed.
578 (dependence_polyhedron_1): Use combine_context_id_scat.
580 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
582 * graphite-poly.h (struct poly_scattering): Add layout documentation.
583 (struct poly_bb): Same.
584 (combine_context_id_scat): New.
586 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
589 * sese.c (name_defined_in_loop_p): Return false for default
592 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
594 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
595 and clean up the logic.
597 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
599 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
602 2010-03-08 Jakub Jelinek <jakub@redhat.com>
604 * var-tracking.c (remove_cselib_value_chains): Define only for
606 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
607 delete_slot_part, emit_notes_for_differences_1): Don't call
608 remove_cselib_value_chains here.
609 (set_slot_part, emit_notes_for_differences_2): Don't call
610 add_cselib_value_chains here.
611 (preserved_values): New vector.
612 (preserve_value): New function.
613 (add_uses, add_stores, vt_add_function_parameters): Use it
614 instead of cselib_preserve_value.
615 (changed_values_stack): New vector.
616 (check_changed_vars_0): New function.
617 (check_changed_vars_1, check_changed_vars_2): Use it.
618 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
619 changed_values_stack VALUEs.
620 (vt_emit_notes): For all preserved_values call
621 add_cselib_value_chains. If ENABLE_CHECKING call
622 remove_cselib_value_chains before verifying value_chains is empty.
623 Initialize and free changed_values_stack.
624 (vt_initialize): Initialize preserved_values.
625 (vt_finalize): Free preserved_values.
627 2010-03-08 Richard Guenther <rguenther@suse.de>
629 PR tree-optimization/43269
630 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
633 2010-03-08 Martin Jambor <mjambor@suse.cz>
635 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
636 (ipa_is_param_called): Removed.
637 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
638 (ipa_print_node_params): Do not print the called flag.
639 (ipa_write_node_info): Do not stream the called flag.
640 (ipa_read_node_info): Likewise.
642 2010-03-07 Jakub Jelinek <jakub@redhat.com>
645 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
646 * cselib.c (struct expand_value_data): Add dummy field.
647 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
649 (cselib_dummy_expand_value_rtx_cb): New function.
650 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
652 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
653 * var-tracking.c: Include pointer-set.h.
654 (variable): Change n_var_parts to char from int. Add
655 cur_loc_changed and in_changed_variables fields.
656 (variable_canonicalize): Remove.
657 (shared_var_p): New inline function.
658 (unshare_variable): Maintain cur_loc_changed and
659 in_changed_variables fields. If var was in changed_variables,
660 replace it there with new_var. Just copy cur_loc instead of
661 resetting it to something else.
662 (variable_union): Don't recompute cur_loc. Use shared_var_p.
663 (dataflow_set_union): Don't call variable_canonicalize.
664 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
665 of their DEBUG_EXPR_TREE_DECLs.
666 (canonicalize_loc_order_check): Verify that cur_loc is NULL
667 and in_changed_variables and cur_loc_changed is false.
668 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
669 and cur_loc_changed. Don't update cur_loc here.
670 (variable_merge_over_src): Don't call variable_canonicalize.
671 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
672 removing loc that is equal to cur_loc, clear cur_loc,
673 set cur_loc_changed and ensure variable_was_changed is called.
674 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
675 compare pointers in cur_loc check, if it is equal to loc,
676 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
677 (variable_different_p): Remove compare_current_location argument,
678 don't compare cur_loc.
679 (dataflow_set_different_1): Adjust variable_different_p caller.
680 (variable_was_changed): If dv had some var in changed_variables
681 already, reset in_changed_variables flag for it and propagate
682 cur_loc_changed over to the new variable. On empty var
683 always set cur_loc_changed. Set in_changed_variables on whatever
684 var is added to changed_variables.
685 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
686 Use shared_var_p. When removing loc that is equal to cur_loc,
687 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
688 end, don't set it to something else, just call variable_was_changed.
689 (delete_slot_part): Use shared_var_p. When cur_loc equals to
690 loc being removed, clear cur_loc and set cur_loc_changed.
691 Set cur_loc_changed if all locations have been removed.
692 (struct expand_loc_callback_data): New type.
693 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
694 allocated. Always create SUBREGs if simplify_subreg failed.
695 Prefer to use cur_loc, when that fails and still in
696 changed_variables (and seen first time) recompute it. Set
697 cur_loc_changed of variables which had to change cur_loc and
698 compute elcd->cur_loc_changed if any of the subexpressions used
699 had to change cur_loc.
700 (vt_expand_loc): Adjust to pass arguments in
701 expand_loc_callback_data structure.
702 (vt_expand_loc_dummy): New function.
703 (emitted_notes): New variable.
704 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
705 that weren't used for any other decl in current
706 emit_notes_for_changes call call vt_expand_loc_dummy to update
707 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
708 first loc_chain location if NULL before. Always use just
709 cur_loc instead of first loc_chain location. When cur_loc_changed
710 is false, when not --enable-checking=rtl just don't emit any note.
711 When rtl checking, compute the note and assert it is the same
712 as previous note. Clear cur_loc_changed and in_changed_variables
713 at the end before removing from changed_variables.
714 (check_changed_vars_3): New function.
715 (emit_notes_for_changes): Traverse changed_vars to call
716 check_changed_vars_3 on each changed var.
717 (emit_notes_for_differences_1): Clear cur_loc_changed and
718 in_changed_variables. Recompute cur_loc of new_var.
719 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
720 (vt_emit_notes): Initialize and destroy emitted_notes.
722 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
724 PR rtl-optimization/42220
725 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
726 Use verify_reg_tracked to determine if we should use OP_OUT rather
728 (build_def_use): If we see an in-out operand for a register that we
729 know nothing about, treat is an output if possible, fail the block if
732 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
735 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
738 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
741 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
742 uses of relevant DEFs that are dead outside the loop too.
744 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
746 * var-tracking.c (dataflow_set_merge): Swap src and src2.
748 2010-01-13 Jakub Jelinek <jakub@redhat.com>
750 * var-tracking.c (values_to_unmark): New variable.
751 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
752 values_to_unmark vector. Moved body to...
753 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
754 instead queue it into values_to_unmark vector.
755 (vt_find_locations): Free values_to_unmark vector.
757 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
759 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
760 (site.exp): Export them when plugins are enabled.
762 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
765 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
767 (chrec_fold_multiply): Same.
769 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
772 * c-decl.c (build_compound_literal): Return early if init is
775 2010-03-04 Martin Jambor <mjambor@suse.cz>
777 PR tree-optimization/43164
778 PR tree-optimization/43191
779 * tree-sra.c (type_consists_of_records_p): Reject records with
780 zero-size bit-fields at the end.
782 2010-03-04 Mike Stump <mikestump@comcast.net>
784 * Makefile.in (TAGS): Remove *.y.
786 2010-03-04 Richard Guenther <rguenther@suse.de>
788 PR tree-optimization/40761
789 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
791 (my_rev_post_order_compute): New function.
794 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
797 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
798 decrease the cost of an IV candidate when the cost is infinite.
800 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
802 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
803 Use '3DNow!' for the extension of that name, ensure normal space
805 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
807 2010-03-03 Jeff Law <law@redhat.com>
809 * PR middle-end/32693
810 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
812 (extract_bit_field_1): Likewise.
814 2010-03-03 Janis Johnson <janis187@us.ibm.com>
816 * doc/sourcebuild.texi (Test directives): Document that arguments
817 include-opts and exclude-opts are now optional for dg-skip-if,
818 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
820 2010-03-03 Jason Merrill <jason@redhat.com>
823 * cgraph.h (varpool_node): Add extra_name field.
824 * varpool.c (varpool_extra_name_alias): New.
825 (varpool_assemble_decl): Emit extra name aliases.
826 (varpool_mark_needed_node): Look past an extra name alias.
827 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
828 * lto-streamer-in.c (lto_input_tree): Read it.
829 * lto-streamer-out.c (output_unreferenced_globals): Write it.
831 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
833 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
834 (sparc*-*-solaris2*): ...this.
836 2010-03-03 Jakub Jelinek <jakub@redhat.com>
839 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
840 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
841 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
842 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
845 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
846 fallthrough to default handling, just with want_address 0 instead of 2.
847 For single element lists, add_AT_loc directly, otherwise create an
848 artificial variable DIE and stick location list to it.
851 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
852 (VAL_EXPR_HAS_REVERSE): Define.
853 (reverse_op): New function.
854 (add_stores): For reversible operations add an extra MO_VAL_USE.
856 2010-03-02 Jason Merrill <jason@redhat.com>
858 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
860 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
862 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
863 (sparc64-*-linux*): Likewise.
864 (sparc64-*-solaris2*): Include assembler files before linker ones.
865 (sparc-*-solaris2*): Simplify and reorder to match previous case.
866 * config/sparc/gas.h: Delete.
867 * config/sparc/sol2-64.h: Add copyright notice.
868 * config/sparc/sol2-gas-bi.h: Likewise.
869 * config/sparc/sol2-gld.h: Likewise.
870 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
871 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
872 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
873 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
874 (sparc_elf_asm_named_section): Rename into...
875 (sparc_solaris_elf_asm_named_section): ...this. Always define.
877 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
879 * config/alpha/alpha.c (override_options): Fix -mtune error message.
881 2010-03-02 Jeff Law <law@redhat.com>
884 * reload1.c (rtx_p, substitute_stack): Declare.
885 (substitute): Record addresses of changed rtxs.
886 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
887 Restore the original rtx when complete.
888 (reload): Free subsitute_stack when complete.
890 2010-03-02 Janis Johnson <janis187@us.ibm.com>
892 * doc/gccint.texi (menu): Add Testsuites as a chapter.
893 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
895 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
896 LTO Testing, gcov Testing, profopt Testing, compat Testing,
897 Torture Tests): Change from subsection to section.
899 2010-03-02 Jakub Jelinek <jakub@redhat.com>
900 Steven Bosscher <steven@gcc.gnu.org>
902 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
905 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
908 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
909 the assignment from the new induction variable to the assignment
910 of the value from the original loop PHI function.
912 2010-03-01 Janis Johnson <janis187@us.ibm.com>
913 Daniel Jacobowitz <dan@codesourcery.com>
915 * doc/sourcebuild.texi (Test directives): Clarify options to
918 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
920 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
921 Disable cfi directives unless GCC and gas agree on using read-only
922 .eh_frame sections for 64-bit.
923 * configure: Regenerate.
925 2010-03-01 Richard Guenther <rguenther@suse.de>
927 PR tree-optimization/43220
928 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
929 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
931 2010-03-01 Richard Guenther <rguenther@suse.de>
932 Martin Jambor <mjambor@suse.cz>
935 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
936 gimplified parameters.
938 2010-03-01 Christian Bruel <christian.bruel@st.com>
940 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
942 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
944 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
946 2010-03-01 Richard Guenther <rguenther@suse.de>
949 * expr.c (expand_assignment): Use the alias-oracle to tell
950 if the rhs aliases the result decl.
952 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
955 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
956 to sol_gt_pch_get_address.
957 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
958 64-bit, SPARC and x86.
959 (sol_gt_pch_get_address): New function.
961 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
963 * toplev.h (inform_n, error_n): Declare.
964 * diagnostic.c (inform_n, error_n): New function.
966 2010-03-01 Jakub Jelinek <jakub@redhat.com>
968 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
969 has no rtl yet when processing local_decls, queue it and recheck
970 if deferred stack allocation hasn't assigned it rtl.
972 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
974 * config/sh/sh.c (unspec_bbr_uid): New.
975 (gen_block_redirect): Use it instead of INSN_UID.
976 (gen_far_branch): Likewise.
978 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
980 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
981 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
983 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
985 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
986 (Warning Options): -Wno-conversion-null is valid for
987 Objective-C++ as well.
988 * doc/tm.texi (Named Address Spaces): Likewise.
989 * doc/plugins.texi (Plugins): Replace TABs with spaces.
990 * doc/tree-ssa.texi (Tree SSA): Likewise.
992 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
995 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
996 by default. Don't set the default arch for
997 i[34567]86-*-darwin*|x86_64-*-darwin*.
999 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
1002 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
1003 default. Set the default 32bit/64bit archs with $with_arch
1004 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
1006 2010-02-27 Richard Guenther <rguenther@suse.de>
1008 PR tree-optimization/43186
1009 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
1010 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
1011 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
1012 unroller iterations.
1014 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
1016 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
1017 required and i[34567]86-*-* targets don't support 64bit ISA.
1019 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
1022 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
1025 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
1027 * config.gcc: Set the default arch at least to Prescott for
1028 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
1029 if SSE math is enabled.
1031 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
1033 * diagnostic.c (diagnostic_initialize): Update.
1034 (diagnostic_report_diagnostic): Test inhibit_notes_p for
1036 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
1037 (diagnostic_inhibit_notes): New.
1038 * toplev.c (process_options): inhibit notes with -fcompare-debug.
1040 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
1043 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
1044 * doc/standards.texi: Likewise.
1045 * doc/extend.texi: Likewise.
1046 * doc/trouble.texi: Likewise.
1047 * doc/cppopts.texi: Likewise.
1048 * doc/install.texi: Likewise.
1049 * c.opt (std=c90,std=gnu90): New options.
1050 * c-opts.c (c_common_handle_option): Handle them.
1052 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
1055 * c-decl.c (undeclared_variable): Use an informative note.
1057 2010-02-26 Richard Guenther <rguenther@suse.de>
1059 PR tree-optimization/43186
1060 * gimple.h (gimple_fold): Remove.
1061 * gimple.c (gimple_fold): Remove. Inline into single user ...
1062 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
1063 Try harder for conditions.
1065 2010-02-26 Jakub Jelinek <jakub@redhat.com>
1068 * function.c (used_types_insert): Don't skip through named pointer
1069 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
1070 and it is different from the main variant's type.
1072 2010-02-26 Nick Clifton <nickc@redhat.com>
1074 * config/rx/rx.md (sminsi3): Remove bogus alternative.
1076 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
1078 * config.gcc: Support --with-fpmath=sse for x86.
1080 * config/i386/ssemath.h: New.
1082 * doc/install.texi (--with-fpmath=sse): Documented.
1084 2010-02-26 Richard Guenther <rguenther@suse.de>
1086 PR tree-optimization/43188
1087 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
1088 vector types of over-aligned element type.
1090 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
1093 * config/i386/i386.c (expand_vec_perm_blend): Use correct
1094 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
1096 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
1098 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
1100 2010-02-26 Jakub Jelinek <jakub@redhat.com>
1102 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
1103 * var-tracking.c: Include diagnostic.h.
1104 (debug_dv): New function.
1105 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
1108 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
1109 (add_value_chain, add_value_chains, remove_value_chain,
1110 remove_value_chains): Handle DEBUG_EXPRs.
1111 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
1114 * regcprop.c (struct queued_debug_insn_change): New type.
1115 (struct value_data_entry): Add debug_insn_changes field.
1116 (struct value_data): Add n_debug_insn_changes field.
1117 (debug_insn_changes_pool): New variable.
1118 (free_debug_insn_changes, apply_debug_insn_changes,
1119 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
1120 (kill_value_one_regno): Call free_debug_insn_changes if needed.
1121 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
1123 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
1125 (copyprop_hardreg_forward_1): Don't call apply_change_group for
1126 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
1127 changes, call cprop_find_used_regs via note_stores.
1128 (copyprop_hardreg_forward): When copying vd from predecessor
1129 which has any queued DEBUG_INSN changes, make sure the pointers are
1130 cleared. At the end call df_analyze and then if there are any
1131 DEBUG_INSN changes queued at the end of some basic block for still
1132 live registers, apply them.
1133 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
1135 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
1137 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
1140 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
1142 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
1143 targets. Set the default with_cpu/with_arch from arch/cpu.
1144 Allow x86-64 and native for with_cpu/with_arch.
1146 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
1148 * ebitmap.c: Change calls to verify_popcount with calls to
1149 sbitmap_verify_popcount.
1150 (ebitmap_clear_bit): Fixed map->cacheindex test and
1151 map>cache update when bit clearing results in an empty
1154 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
1157 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
1158 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
1159 and support both V2DF and V2DI modes.
1160 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
1161 support both V2DF and V2DI modes.
1162 (general): Delete trailing whitespace from a few patterns.
1164 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
1165 V2DF/V2DI interleave high/low builtins.
1167 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
1170 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
1171 interleave high/low functions.
1173 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
1175 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
1176 #pragma extern_prefix.
1178 2010-02-25 Jakub Jelinek <jakub@redhat.com>
1181 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
1182 BLKmode, assert op0 is a MEM and just adjust its mode.
1185 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
1186 if bitpos isn't multiple of mode's bitsize.
1188 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
1190 * c.opt (-ftemplate-depth=): New.
1191 (-ftemplate-depth-): Deprecate.
1192 * optc-gen.awk: Handle -ftemplate-depth=.
1193 * opth-gen.awk: Likewise.
1194 * c-opts.c (c_common_handle_option): Likewise.
1195 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
1197 2010-02-24 Jason Merrill <jason@redhat.com>
1199 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
1201 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1203 * cfg.c (alloc_aux_for_block): Remove inline.
1204 (alloc_aux_for_edge): Likewise.
1206 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1208 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
1210 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1212 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
1213 * config/i386/sol2-gas.h: New file.
1214 * config.gcc (i[34567]86-*-solaris2*): Use it.
1216 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
1219 * c-typeck.c (ep_convert_and_check): New.
1220 (build_conditional_expr): Use it.
1221 (build_binary_op): Likewise.
1223 2010-02-24 Jakub Jelinek <jakub@redhat.com>
1225 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
1228 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
1229 bounds even for -O+.
1230 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
1231 expr needs to have DECL_NAME set.
1233 2010-02-24 Nick Clifton <nickc@redhat.com>
1235 * config/mep/mep.c: Include gimple.h.
1236 (mep_function_uses_sp): Delete unused function.
1237 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
1238 parameters. Use unsigned integers to count args. Return a
1239 NULL_RTX instead of an error_mark_node. Toidy up formatting.
1241 2010-02-23 Jakub Jelinek <jakub@redhat.com>
1244 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
1245 greater or equal to nelt instead of 2 * nelt.
1246 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
1249 2010-02-23 Jason Merrill <jason@redhat.com>
1252 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
1253 in cfun->local_decls even if they have register types.
1256 * stor-layout.c (place_field): Don't warn about unnecessary
1257 DECL_PACKED if the type is packed.
1259 2010-02-23 Jakub Jelinek <jakub@redhat.com>
1262 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
1263 GOTOFF relocs, even when the base reg isn't pic pointer.
1265 2010-02-23 Michael Matz <matz@suse.de>
1268 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
1269 (expand_gimple_basic_block): Generate and use debug temps if there
1270 are debug uses left after the last real use of TERed ssa names.
1271 Unlink debug immediate uses when they are expanded.
1273 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
1276 * config/i386/i386.c (override_options): Reorganise to provide
1277 better error messages.
1279 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
1282 * graphite-scop-detection.c (create_single_exit_edge): Move
1283 the call to find_single_exit_edge to....
1284 (create_sese_edges): ...here. Don't handle multiple edges
1285 exiting the function.
1286 (build_graphite_scops): Don't handle multiple edges
1287 exiting the function.
1289 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
1292 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
1293 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
1295 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
1298 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
1300 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
1303 * c-typeck.c (convert_arguments): Print declaration location.
1304 * c-common.c (validate_nargs): Rename as
1305 builtin_function_validate_nargs.
1306 (check_builtin_function_arguments): Update.
1308 2010-02-22 Richard Guenther <rguenther@suse.de>
1311 * tree-inline.c (declare_return_variable): Use the type of
1312 the call stmt lhs if available.
1314 2010-02-22 Duncan Sands <baldrick@free.fr>
1316 * passes.c (register_pass): Always consider all pass lists when
1317 ref_pass_instance_number is zero.
1319 2010-02-22 Richard Guenther <rguenther@suse.de>
1321 PR tree-optimization/42749
1322 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
1323 parameter. Do arithmetic in the original type.
1324 (update_accumulator_with_ops): Likewise.
1325 (adjust_accumulator_values): Adjust.
1327 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1329 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
1330 (QI to BLKmode splitter): New splitter.
1332 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
1334 * config/i386/i386.c (initial_ix86_tune_features): Turn on
1335 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
1337 2010-02-22 Richard Guenther <rguenther@suse.de>
1339 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
1341 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
1343 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
1344 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
1345 ($(T)crti.o, $(T)crtn.o): Remove rules.
1347 2010-02-21 Tobias Burnus <burnus@net-b.de>
1350 * doc/invoke.texi (-fassociative-math): Document that this
1351 option is automatically enabled for Fortran.
1353 2010-02-20 David S. Miller <davem@davemloft.net>
1355 * configure.ac: Test if linker and assembler properly support
1356 GOTDATA_OP relocations.
1357 * configure: Rebuild.
1358 * config.in: Likewise.
1359 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
1360 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
1361 (movsi_high_pic): Likewise.
1362 (movdi_lo_sum_pic): Likewise.
1363 (movdi_high_pic): Likewise.
1364 (movsi_pic_gotdata_op): New pattern.
1365 (movdi_pic_gotdata_op): Likewise.
1366 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
1367 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
1369 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
1372 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
1373 attribute to ssemul.
1374 (xop_mulv2div2di3_high): Ditto.
1376 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
1379 * c.opt (Wconversion-null): New option.
1380 * doc/invoke.texi (Wconversion-null): Document.
1382 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
1384 * common.opt (Wlarger-than-): Add Undocumented.
1386 2010-02-19 Mike Stump <mikestump@comcast.net>
1388 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
1390 2010-02-19 Jason Merrill <jason@redhat.com>
1393 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
1394 * configure: Likewise.
1396 2010-02-20 Alan Modra <amodra@gmail.com>
1399 * cgraph.h (cgraph_make_decl_local): Declare.
1400 * cgraph.c (cgraph_make_decl_local): New function.
1401 (cgraph_make_node_local): Use it.
1402 * cgraphunit.c (cgraph_function_versioning): Likewise.
1403 * ipa.c (function_and_variable_visibility): Likewise.
1405 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1408 * except.c (sjlj_emit_function_enter): Don't call
1409 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
1411 * rtl.h (add_reg_br_prob_note): Remove prototype.
1413 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
1416 * c-common.c (conversion_warning): Remove widening conversions
1417 before checking the conversion of integers to reals.
1419 2010-02-19 Mike Stump <mikestump@comcast.net>
1422 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
1425 * cgraphunit.c (process_function_and_variable_attributes): Check
1426 DECL_PRESERVE_P instead of looking up attribute "used".
1427 * ipa-pure-const.c (check_decl): Likewise.
1428 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
1429 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
1430 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
1431 instead of attribute "used".
1432 * config/sol2-c.c (solaris_pragma_init): Likewise.
1433 (solaris_pragma_fini): Likewise.
1435 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1437 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
1438 Use XCNEW instead of xcalloc.
1439 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
1440 XNEW instead of xmalloc.
1441 (get_fields): Use XNEWVEC instead of xmalloc.
1444 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
1445 populate vars array.
1446 (create_new_general_access): For debug stmts just reset value.
1447 (get_stmt_accesses): For accesses within debug stmts just record them
1448 using add_access_to_acc_sites instead of preventing the peeling or
1449 counting them as accesses.
1452 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
1454 2010-02-19 Richard Guenther <rguenther@suse.de>
1456 PR tree-optimization/42916
1457 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
1460 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
1462 * configure.ac: Replace all uses of changequote in macro arguments
1463 with proper quoting.
1465 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1468 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
1470 2010-02-19 Richard Guenther <rguenther@suse.de>
1472 PR tree-optimization/42944
1473 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
1474 test for aliasing with errno.
1476 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1479 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
1480 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
1481 * dojump.c: Include output.h.
1482 (inv): New inline function.
1483 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
1484 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
1485 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
1486 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
1487 argument, pass it down to other calls.
1488 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
1489 add REG_BR_PROB note to the conditional jump.
1490 * cfgexpand.c (add_reg_br_prob_note): Removed.
1491 (expand_gimple_cond): Don't call it, add the probability
1492 as last argument to jumpif_1/jumpifnot_1.
1493 * Makefile.in (dojump.o): Depend on output.h.
1494 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
1496 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
1497 * stmt.c (do_jump_if_equal): Likewise.
1498 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
1499 * loop-unswitch.c (compare_and_jump_seq): Likewise.
1500 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
1502 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
1503 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
1504 jumpifnot_1 callers.
1505 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
1507 (store_expr): Adjust jumpifnot caller.
1508 (store_constructor): Adjust jumpif caller.
1511 * gimplify.c (gimple_boolify): For __builtin_expect call
1512 gimple_boolify also on its first argument.
1514 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
1516 * configure.ac (gnu-unique-object): Wrap regexps using [] in
1518 (__stack_chk_fail): Ditto. Remove quadrigraphs.
1519 * configure: Regenerated.
1521 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1523 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
1524 lang_hooks.types_compatible_p instead of comptypes.
1526 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
1528 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
1529 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
1530 if __prefer_thumb__ is defined.
1532 2010-02-18 Martin Jambor <mjambor@suse.cz>
1534 PR tree-optimization/43066
1535 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
1536 array with zero-sized element type.
1538 2010-02-18 Jakub Jelinek <jakub@redhat.com>
1540 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
1541 rtx, allocate struct var_loc_node here and return it to the
1542 caller, and only if it is actually needed.
1543 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
1544 move it earlier and return immediately if it returns NULL.
1546 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
1548 * config/sparc/gas.h: New file. Restore
1549 TARGET_ASM_NAMED_SECTION to its ELF default.
1550 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
1552 * config/sparc/sparc.c (sparc_elf_asm_named_section):
1553 Likewise. Add ATTRIBUTE_UNUSED to prototype.
1554 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
1555 after sparc/sysv4.h.
1557 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
1559 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
1561 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
1563 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
1564 patterns from predicated pattern.
1566 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
1569 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
1570 for insn mnemonic suffix.
1572 2010-02-17 Richard Guenther <rguenther@suse.de>
1574 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
1577 2010-02-17 Jakub Jelinek <jakub@redhat.com>
1580 * caller-save.c (save_call_clobbered_regs): If BB ends with
1581 a DEBUG_INSN, move any notes in between last real insn and the last
1582 DEBUG_INSN after the last DEBUG_INSN.
1584 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
1586 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
1587 Fix return type. Fix argument type. Explain meaning of return value.
1589 2010-02-16 Richard Guenther <rguenther@suse.de>
1591 PR tree-optimization/41043
1592 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
1593 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
1595 (vrp_visit_phi_node): ... but only for loop PHI nodes.
1597 2010-02-16 Ira Rosen <irar@il.ibm.com>
1599 PR tree-optimization/43074
1600 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
1601 * tree-vect-loop.c (vect_analyze_loop_operations): Add
1602 vectorizable cycles in hybrid SLP check.
1603 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
1605 2010-02-16 Richard Guenther <rguenther@suse.de>
1607 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
1608 (true_dependence): If memrefs_conflict_p computes must-alias
1609 trust it. Move TBAA check after offset-based disambiguation.
1610 (canon_true_dependence): Likewise.
1612 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
1614 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
1615 * doc/invoke.texi: Document it.
1616 * var-tracking.c: Include toplev.h and params.h.
1617 (vt_find_locations): Return bool indicating success. Compute
1618 hash sizes unconditionally. Check new parameter, report.
1619 (variable_tracking_main_1): Check vt_find_locations results and
1620 retry. Renamed from...
1621 (variable_tracking_main): ... this. New wrapper to preserve
1622 flag_var_tracking_assignments.
1623 * Makefile.in (var-tracking.o): Adjust dependencies.
1625 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
1626 Jakub Jelinek <jakub@redhat.com>
1629 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
1630 if weak_import attribute is present.
1631 * config/darwin.c (machopic_select_section): Likewise.
1633 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
1635 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
1636 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
1637 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
1638 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
1640 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
1643 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
1646 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
1647 Rewrite text to refer to the names.
1649 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
1651 * config/i386/i386-builtin-types.def
1652 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
1653 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
1654 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
1655 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
1656 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
1657 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
1658 IX86_BUILTIN_VPERMIL2PS256.
1659 (MULTI_ARG_4_DF2_DI_I): Defined.
1660 (MULTI_ARG_4_DF2_DI_I1): Defined.
1661 (MULTI_ARG_4_SF2_SI_I): Defined.
1662 (MULTI_ARG_4_SF2_SI_I1): Defined.
1663 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
1664 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
1665 __builtin_ia32_vpermil2ps256.
1666 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
1667 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
1668 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
1669 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
1670 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
1671 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
1672 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
1673 CODE_FOR_xop_vpermil2v8sf3.
1674 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
1675 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
1676 * config/i386/xopintrin.h (_mm_permute2_pd): New.
1677 (_mm256_permute2_pd): New.
1678 (_mm_permute2_ps): New.
1679 (_mm256_permute2_ps): New.
1681 2010-02-15 Nick Clifton <nickc@redhat.com>
1683 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
1684 boolean parameters. Use emit_jump_insn when emitting a pop
1685 instruction containing a return insn.
1686 (push): Use 'true' rather than '1' as second parameter to F.
1687 (h8300_expand_prologue): Likewise.
1688 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
1689 (h8300_expand_epilogue): Likewise.
1691 2010-02-15 Richard Guenther <rguenther@suse.de>
1694 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
1697 2010-02-15 Nick Clifton <nickc@redhat.com>
1699 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
1702 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
1704 * intl.c (fake_ngettext): New function.
1705 * intl.h (fake_ngettext): Declare.
1706 (ngettext): Define macro.
1707 * collect2.c (notice_translated): New function.
1708 (main): Use notice_translated and ngettext.
1709 * collect2.h (notice_translated): Declare.
1711 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
1713 * reorg.c (delete_computation): Comment fixes.
1714 * caller-save.c (setup_save_areas): Idem.
1715 * sel-sched-dump.c (dump_lv_set): Idem.
1718 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1720 * config/s390/s390.c (s390_sched_init): New function.
1721 (TARGET_SCHED_INIT): Target hook defined.
1723 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
1724 Jack Howarth <howarth@bromo.med.uc.edu>
1725 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1728 Partial revert of unintended change in fix for PR41605.
1729 * config/darwin.h: Fix typo.
1730 * config/darwin9.h: Same.
1732 2010-02-11 Jakub Jelinek <jakub@redhat.com>
1734 * c-pch.c (pch_init): Clear v.
1736 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
1739 * graphite-scop-detection.c (graphite_can_represent_scev): Call
1740 graphite_can_represent_init for MULT_EXPR.
1742 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
1746 * graphite-sese-to-poly.c (remove_phi): New.
1747 (translate_scalar_reduction_to_array): Call remove_phi.
1749 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
1752 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
1753 * graphite-clast-to-gimple.h (gloog): Update declaration.
1754 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
1755 * graphite-poly.h (struct poly_bb): Add missing comments.
1756 (struct scop): Add poly_scop_p field.
1758 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
1759 * graphite.c (graphite_transform_loops): Build the polyhedral
1760 representation for each scop before code generation.
1761 * sese.c (rename_variables_in_operand): Removed.
1762 (rename_variables_in_expr): Return the renamed expression.
1763 (rename_sese_parameters): New.
1764 * sese.h (rename_sese_parameters): Declared.
1766 2010-02-11 Richard Guenther <rguenther@suse.de>
1768 PR tree-optimization/42998
1769 * tree-ssa-pre.c (create_expression_by_pieces): Treat
1770 POINTER_PLUS_EXPR properly.
1772 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
1773 Changpeng Fang <changpeng.fang@amd.com>
1776 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
1777 the cost of an IV candidate when the IV is used in a test against zero.
1779 * gcc.dg/tree-ssa/ivopts-3.c: New.
1781 2010-02-11 Richard Guenther <rguenther@suse.de>
1784 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
1785 pointer-vs-decl case by swapping refs. Handle some cases
1786 of pointer-vs-decl disambiguations more conservatively.
1787 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
1788 to false after expanding.
1790 2010-02-11 Richard Guenther <rguenther@suse.de>
1793 * gcc.c (process_command): Handle LTO file@offset case more
1796 2010-02-11 Jakub Jelinek <jakub@redhat.com>
1798 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
1799 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
1801 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
1803 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
1804 if MEM's mode size isn't DWARF2_ADDR_SIZE.
1805 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
1806 Optimize eq/ne comparisons when both arguments are known to be
1808 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
1809 Don't mask operands unnecessarily if they are known to be already
1812 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
1814 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
1817 2010-02-10 Richard Guenther <rguenther@suse.de>
1819 PR tree-optimization/43017
1820 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
1821 for wrapping signed arithmetic.
1823 2010-02-10 Jakub Jelinek <jakub@redhat.com>
1826 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
1827 if no debug info should be emitted for it.
1829 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
1831 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
1832 note when flag_exceptions is set.
1834 2010-02-10 Duncan Sands <baldrick@free.fr>
1836 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
1838 2010-02-10 Richard Guenther <rguenther@suse.de>
1841 * tree.c (get_unwidened): Handle constants.
1842 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
1844 2010-02-10 Martin Jambor <mjambor@suse.cz>
1847 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
1848 check for variable argument counts independently.
1850 2010-02-10 Christian Bruel <christian.bruel@st.com>
1853 * config/sh/sh.c (find_barrier): Increase length for non delayed
1854 conditional branches.
1856 2010-02-10 Christian Bruel <christian.bruel@st.com>
1858 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
1860 2010-02-10 Jakub Jelinek <jakub@redhat.com>
1862 * builtins.c (set_builtin_user_assembler_name): Also handle
1863 ffs if int is smaller than word.
1865 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
1868 * ira-conflicts.c (get_dup): Remove.
1869 (process_reg_shuffles): Add new parameter. Use it as an
1870 additional guard for copy generation.
1871 (add_insn_allocno_copies): Rewrite.
1873 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
1875 * common.opt (fsched2-use-traces): Preserved for backward
1877 * doc/invoke.texi: Remove the documentation about option
1878 -fsched2-use-traces.
1879 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
1880 flag_sched2_use_traces.
1881 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
1882 the backward compatibility flag section.
1884 2010-02-09 Richard Guenther <rguenther@suse.de>
1886 PR tree-optimization/43008
1887 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
1888 make HEAP variables initialized from global memory if they
1889 are not known builtin functions.
1890 (find_func_aliases): Adjust.
1892 2010-02-09 Richard Guenther <rguenther@suse.de>
1894 PR tree-optimization/43000
1895 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
1896 arithmetic manually.
1898 2010-02-08 Jakub Jelinek <jakub@redhat.com>
1900 PR tree-optimization/42931
1901 * tree-loop-linear.c (try_interchange_loops): Don't call
1902 double_int_mul if estimated_loop_iterations failed.
1904 2010-02-08 Martin Jambor <mjambor@suse.cz>
1907 * tree-sra.c (build_accesses_from_assign): Do not mark in
1908 should_scalarize_away_bitmap if stmt has volatile ops.
1909 (sra_modify_assign): Do not process assigns piecemeal if if stmt
1912 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
1914 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
1916 2010-02-07 Adam Nemet <adambnmet@gmail.com>
1918 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
1921 2010-02-07 Andrew Pinski <pinskia@gmail.com>
1924 * df-core.c (df_finish_pass): Change type of saved_flags to int.
1926 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
1929 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
1930 to unknown_dependence.
1931 (graphite_legal_transform_dr): Handle the unknown_dependence.
1932 (graphite_carried_dependence_level_k): Same.
1934 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
1936 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
1938 2010-02-07 Richard Guenther <rguenther@suse.de>
1941 * expr.c (get_inner_reference): Always initialize *pbitsize.
1943 2010-02-07 Richard Guenther <rguenther@suse.de>
1946 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
1947 new ARRAY_REFs on variable size element or minimal index arrays.
1949 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
1950 gimple_fold_indirect_ref.
1952 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
1955 * arm.c (arm_override_options): Just return if the user has specified
1956 an invalid fpu name.
1958 2010-02-03 Jason Merrill <jason@redhat.com>
1961 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
1962 i386_pe_maybe_record_exported_symbol.
1964 2010-02-05 Steve Ellcey <sje@cup.hp.com>
1967 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
1968 (pa_delegitimize_address): New function.
1970 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
1972 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
1973 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
1975 2010-02-05 Richard Guenther <rguenther@suse.de>
1978 * lto-streamer-in.c (get_resolution): Deal with references
1979 to undefined functions.
1981 2010-02-05 Richard Guenther <rguenther@suse.de>
1983 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
1984 (fold_const_aggregate_ref): Likewise.
1985 (ccp_fold_stmt): Substitute loads.
1986 (maybe_fold_reference): Verify types before substituting.
1988 (fold_gimple_assign): Unshare properly.
1989 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
1991 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
1993 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
1994 for rs6000_gen_cell_microcode.
1996 2010-02-04 Richard Guenther <rguenther@suse.de>
1998 PR rtl-optimization/42952
1999 * dse.c (const_or_frame_p): Remove MEM handling.
2001 2010-02-04 Nick Clifton <nickc@redhat.com>
2003 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
2004 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
2005 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
2006 (mn10300_asm_output_mi_thunk): New function.
2007 (mn10300_can_output_mu_thunk): New function.
2008 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
2009 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
2010 (FUNCTION_ARG): Delete incorrect comment.
2012 2010-02-03 Jason Merrill <jason@redhat.com>
2015 * fold-const.c (operand_equal_p): Handle erroneous types.
2017 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
2019 * config/h8300/h8300.md (can_delay): Fix attibute condition.
2021 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
2023 PR rtl-optimization/42941
2024 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
2027 2010-02-03 Jason Merrill <jason@redhat.com>
2030 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
2032 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
2035 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
2036 (cselib_reset_table): Renamed from...
2037 (cselib_reset_table_with_next_value): ... this.
2038 (cselib_get_next_uid): Renamed from...
2039 (cselib_get_next_unknown_value): ... this.
2040 * cselib.c (next_uid): Renamed from...
2041 (next_unknown_value): ... this.
2042 (cselib_clear_table): Adjust.
2043 (cselib_reset_table): Adjust. Renamed from...
2044 (cselib_reset_table_with_next_value): ... this.
2045 (cselib_get_next_uid): Adjust. Renamed from...
2046 (cselib_get_next_unknown_value): ... this.
2047 (get_value_hash): Use hash.
2048 (cselib_hash_rtx): Likewise.
2049 (new_cselib_val): Adjust. Set and dump uid.
2050 (cselib_lookup_mem): Pass next_uid as hash.
2051 (cselib_subst_to_values): Likewise.
2052 (cselib_log_lookup): Dump uid.
2053 (cselib_lookup): Pass next_uid as hash. Adjust.
2054 (cselib_process_insn): Adjust.
2055 (cselib_init): Initialize next_uid.
2056 (cselib_finish): Adjust.
2057 (dump_cselib_table): Likewise.
2058 * dse.c (canon_address): Dump value uid.
2059 * print-rtl.c (print_rtx): Print value uid.
2060 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
2062 (dv_uid): New function, sort of renamed from...
2063 (dv_htab_hash): ... this, reimplemented in terms of it and...
2064 (dv_uid2hash): ... this. New.
2065 (variable_htab_eq): Drop excess assertions.
2066 (tie_break_pointers): Removed.
2067 (canon_value_cmp): Compare uids.
2068 (variable_post_merge_New_vals): Print uids.
2069 (vt_add_function_parameters): Adjust.
2070 (vt_initialize): Reset table. Adjust.
2072 2010-02-03 Richard Guenther <rguenther@suse.de>
2074 PR tree-optimization/42944
2075 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
2076 (call_may_clobber_ref_p_1): Likewise. Properly handle
2077 malloc and calloc clobbering errno.
2079 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
2081 * doc/invoke.texi: Fix name of sched1 dump.
2083 * opts.c (decode_options): Set flag_tree_switch_conversion
2084 only conditionally on optimize >= 2.
2086 * gcse.c: Assorted comment fixes in pass description.
2088 2010-02-03 Anthony Green <green@moxielogic.com>
2090 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
2091 nop padding in order to maintain alignment of storage location of
2092 target function address.
2093 (moxie_trampoline_init): Store target function address at newly
2095 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
2097 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
2099 2010-02-03 Richard Guenther <rguenther@suse.de>
2102 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
2104 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2106 * config.gcc: Reenable check for obsolete targets.
2107 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
2108 mips-sgi-irix6.[0-4]*.
2110 2010-02-02 Nick Clifton <nickc@redhat.com>
2112 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
2113 constant size of 4 as being the same as 0.
2114 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
2115 can take values in the range 0..4.
2117 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
2120 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
2121 as _darwin10_Unwind_FindEnclosingFunction().
2122 * libgcc-libsystem.ver: New.
2124 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
2127 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
2128 implicitly set registers.
2130 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
2132 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
2133 (arm_override_options): Allow automatic selection of the thread
2134 pointer register if thumb2.
2135 (legitimize_pic_address): Improve code sequences for Thumb2.
2136 (arm_call_tls_get_addr): Likewise.
2137 (legitimize_tls_address): Likewise.
2138 * arm.md (pic_load_addr_arm): Delete. Replace with ...
2139 (pic_load_addr_32bit): ... this. New named pattern.
2140 * thumb2.md (pic_load_addr_thumb2): Delete.
2141 (pic_load_dot_plus_four): Delete.
2142 (tls_load_dot_plus_four): New named pattern.
2144 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2147 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
2148 Document fix for TLS bug.
2150 2010-01-31 Richard Guenther <rguenther@suse.de>
2152 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
2153 conservatively correct.
2155 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2159 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2161 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
2163 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2165 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
2167 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
2169 * config.gcc: Adjust order of makefile fragments for mingw targets.
2171 2010-01-31 Richard Guenther <rguenther@suse.de>
2174 * gimplify.c (gimplify_init_constructor): For volatile LHS
2175 initialize a temporary.
2177 2010-01-31 Matthias Klose <doko@ubuntu.com>
2179 * configure.ac: Fix __stack_chk_fail check for cross builds configured
2181 * configure: Regenerate.
2183 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
2185 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
2186 the same alias set and their sizes different constantness.
2187 (aliasing_component_refs_p): Revert 2009-10-24 change.
2189 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2191 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
2194 2010-01-29 Richard Guenther <rguenther@suse.de>
2196 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
2197 Assert we successfully updated the call.
2199 2010-01-29 Jakub Jelinek <jakub@redhat.com>
2201 PR rtl-optimization/42889
2202 * df.h (df_set_bb_dirty_nonlr): New prototype.
2203 * df-core.c (df_set_bb_dirty_nonlr): New function.
2204 * df-scan.c (df_insn_rescan): Call it instead of
2205 df_set_bb_dirty for DEBUG_INSNs.
2207 2010-01-29 Richard Guenther <rguenther@suse.de>
2210 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
2211 quadratic behavior in most cases.
2213 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
2216 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
2217 in the call to gen_x86_movsicc_0_m1.
2219 2010-01-28 Richard Guenther <rguenther@suse.de>
2221 PR tree-optimization/42871
2222 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
2224 2010-01-28 Richard Guenther <rguenther@suse.de>
2226 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
2227 into call arguments.
2229 2010-01-28 Richard Guenther <rguenther@suse.de>
2232 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
2233 the forwarder if the destination is an EH landing pad.
2235 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
2237 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
2238 block list passed to gimple_duplicate_sese_tail.
2239 (parallelize_loops): Avoid parallelization when the function
2241 Avoid parallelization when the preheader is IRREDUCIBLE.
2242 Try to optimize when estimated_loop_iterations_int is unresolved.
2243 Add the loop's location to the dump file.
2244 * tree-cfg.c (add_phi_args_after_redirect): Remove.
2245 (gimple_duplicate_sese_tail): Remove the check for the latch.
2246 Redirect nexits to the exit block.
2247 Remove handling of the incoming edges to the latch.
2248 Redirect the backedge from the copied latch to the exit bb.
2250 2010-01-28 Michael Matz <matz@suse.de>
2253 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
2254 Wrap force_reg into a sequence, emit it before user.
2256 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
2258 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
2260 (arm_legacy_rev): Likewise.
2261 (thumb_legacy_rev): Likewise.
2263 2010-01-27 Jakub Jelinek <jakub@redhat.com>
2265 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
2266 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
2267 on MEM's address failed, try avoid_constant_pool_reference and
2268 recurse if it returned something different.
2269 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
2270 address, try avoid_constant_pool_reference and recurse if it
2271 returned something different.
2272 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
2273 address and avoid_constant_pool_reference returned something
2274 different, don't set have_address.
2276 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
2279 * var-tracking.c (val_store): Add modified argument, obey it.
2281 (count_uses): Move down logging of main.
2282 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
2283 don't need resolution.
2284 (emit_notes_in_bb): Likewise.
2286 2010-01-27 Richard Guenther <rguenther@suse.de>
2289 * tree-inline.c (remap_decl): Delay remapping of SSA name
2290 default definitions until we need them.
2292 2010-01-27 Jakub Jelinek <jakub@redhat.com>
2294 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
2295 (rs6000_delegitimize_address): New function.
2297 * config/s390/s390.c (s390_delegitimize_address): Call
2298 delegitimize_mem_from_attrs.
2301 * tree-inline.c (cannot_copy_type_1): Removed.
2302 (copy_forbidden): Don't forbid copying of functions containing
2303 records/unions with variable length fields.
2305 2010-01-27 Christian Bruel <christian.bruel@st.com>
2309 * config/sh/sh.c (find_barrier): Increase length for non delayed
2310 conditional branches.
2312 2010-01-27 Matthias Klose <doko@ubuntu.com>
2314 * configure.ac (gnu-unique-object): Fix ldd version check.
2315 * configure: Regenerate.
2317 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2319 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
2321 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
2322 Test for HAVE_GNU_AS value.
2324 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2326 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
2327 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
2328 INT64_TYPE): Define.
2329 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
2330 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2331 INT_LEAST64_TYPE): Define.
2332 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
2333 UINT_LEAST64_TYPE): Define.
2334 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
2335 INT_FAST64_TYPE): Define.
2336 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2337 UINT_FAST64_TYPE): Define.
2338 (INTMAX_TYPE, UINTMAX_TYPE): Define.
2339 (INTPTR_TYPE, UINTPTR_TYPE): Define.
2340 (SIG_ATOMIC_TYPE): Define.
2342 2010-01-26 Richard Guenther <rguenther@suse.de>
2344 * df-scan.c (df_scan_set_bb_info): Remove assert.
2345 (df_insn_rescan_debug_internal): Merge asserts.
2346 (df_install_ref): Likewise.
2347 (df_mark_reg): Use bitmap_set_range.
2348 (df_hard_reg_used_p): Remove assert.
2349 (df_hard_reg_used_count): Likewise.
2351 2010-01-26 Richard Guenther <rguenther@suse.de>
2353 PR rtl-optimization/42685
2354 * web.c (web_main): Ignore DEBUG_INSNs.
2356 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
2358 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
2360 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
2361 Fix types of fndecl and arglist parameters.
2363 2010-01-26 Richard Guenther <rguenther@suse.de>
2366 * tree-eh.c (unsplit_eh): Skip debug insns.
2368 2010-01-26 Richard Guenther <rguenther@suse.de>
2370 PR tree-optimization/42250
2371 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
2373 2010-01-26 Jakub Jelinek <jakub@redhat.com>
2376 * omp-low.c (expand_omp_sections): Only use single_pred if
2377 l2_bb is single_pred_p.
2379 2010-01-25 Christian Bruel <christian.bruel@st.com>
2382 * config/sh/sh.c (find_barrier): Increase length for non delayed
2383 conditional branches.
2384 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
2386 2010-01-24 David S. Miller <davem@davemloft.net>
2388 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
2389 define if not using GAS.
2390 * config/sparc/sparc.c (sparc_elf_asm_named_section):
2391 Likewise. Delete SECTION_MERGE code, which is only applicable
2394 2010-01-24 Mark Mitchell <mark@codesourcery.com>
2397 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
2398 mangling of va_list in system headers.
2400 2010-01-23 Toon Moene <toon@moene.org>
2402 * tree-predcom.c (combine_chains): Return NULL, not false.
2404 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
2406 * tree-loop-distribution.c (distribute_loop): Fix declaration and
2407 initialization of variable res to agree with return type.
2409 2010-01-22 Steve Ellcey <sje@cup.hp.com>
2411 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
2412 * tree-sra.c: Add include of expr.h.
2414 2010-01-22 Jakub Jelinek <jakub@redhat.com>
2416 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
2417 insert the debug stmt on the single non-EH edge from the stmt.
2419 2010-01-22 Richard Henderson <rth@redhat.com>
2422 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
2423 the RHS until after generate_subtree_copies has insertted its
2424 code before the current statement.
2426 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
2428 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
2430 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
2432 2010-01-21 Martin Jambor <mjambor@suse.cz>
2434 PR tree-optimization/42585
2435 * tree-sra.c (struct access): New field grp_total_scalarization.
2436 (dump_access): Dump the new field.
2437 (should_scalarize_away_bitmap): New variable.
2438 (cannot_scalarize_away_bitmap): Likewise.
2439 (sra_initialize): Allocate new bitmaps.
2440 (sra_deinitialize): Free new bitmaps.
2441 (create_access_1): New function.
2442 (create_access): Parts moved to create_access_1.
2443 (type_consists_of_records_p): New function.
2444 (completely_scalarize_record): Likewise.
2445 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
2446 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
2447 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
2449 (analyze_all_variable_accesses): Completely scalarize small eligible
2452 2010-01-21 Martin Jambor <mjambor@suse.cz>
2454 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
2456 2010-01-21 Andrew Haley <aph@redhat.com>
2458 * gcc.c (process_command): Move lang_specific_driver before
2459 setting cc_libexec_prefix.
2461 2010-01-21 Richard Guenther <rguenther@suse.de>
2464 * fold-const.c (negate_expr_p): Pretend only negative
2465 real constants are easily negatable.
2467 2010-01-20 Janis Johnson <janis187@us.ibm.com>
2468 Jason Merrill <jason@redhat.com>
2470 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
2471 (TYPE_TRANSPARENT_AGGR): this, for union and record.
2472 * calls.c (initialize argument_information): Handle it.
2473 * c-common.c (handle_transparent_union_attribute): Use new name.
2474 * c-decl.c (finish_struct): Ditto.
2475 * c-typeck.c (type_lists_compatible_p): Ditto.
2476 (convert_for_assignment): Use new name and also handle record.
2477 * function.c (aggregate_value_p): Handle it.
2478 (pass_by_reference): Ditto.
2479 (assign_parm_data_types): Ditto.
2480 * print-tree.c (print_node): Ditto.
2481 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
2482 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
2483 * tree.c (first_field): New fn.
2485 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
2488 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
2489 even when linking statically, for now.
2491 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
2494 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
2495 without a cselib val.
2496 (count_uses): Accept MO_VAL_SET with no val on stores.
2497 (add_stores): Likewise.
2499 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2501 * var-tracking.c (check_value_val): Add a compile time assertion.
2502 (dv_is_decl_p): Simplify.
2503 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
2504 gcc_assert if ENABLE_CHECKING.
2506 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
2509 * var-tracking.c: Include tree-flow.h.
2510 (mem_dies_at_call): New.
2511 (dataflow_set_preserve_mem_locs): Use it.
2512 (dataflow_set_remove_mem_locs): Likewise.
2513 (dump_var): Renamed from dump_variable. Adjust all callers.
2514 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
2515 * Makefile.in (var-tracking.o): Adjust deps.
2517 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
2519 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
2521 2010-01-20 Richard Guenther <rguenther@suse.de>
2523 PR tree-optimization/42717
2524 * tree-ssa-dce.c (get_live_post_dom): Remove.
2525 (forward_edge_to_pdom): Take an arbitrary edge to copy
2526 degenerate PHI args from.
2527 (remove_dead_stmt): Use the first post-dominator even if it
2528 does not contain live statements as redirection destination.
2530 2010-01-20 Richard Guenther <rguenther@suse.de>
2532 * tree-inline.c (estimate_num_insns): Handle EH builtins.
2534 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2536 * sel-sched.c (create_speculation_check): Remove set but not used
2538 (try_transformation_cache): Remove set but not used variable ds.
2539 (calculate_privileged_insns): Remove set but not used variables
2540 cur_insn and min_spec_insn.
2541 (find_best_expr): Remove set but not used variable avail_n.
2542 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
2544 * cgraphunit.c (assemble_thunk): Remove set but not used variable
2546 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
2547 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
2550 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
2553 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
2554 cpu types. Add support for *-sse3 cpu types.
2555 (x86_64-*-*): Ditto.
2557 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2560 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
2561 argument, call initializer_constant_valid_p_1 instead of
2562 initializer_constant_valid_p, pass CACHE to it, return NULL
2563 immediately if first call returns NULL.
2564 (initializer_constant_valid_p_1): New function.
2565 (initializer_constant_valid_p): Use it.
2567 2010-01-20 Thomas Quinot <quinot@adacore.com>
2569 * tree.def (PLACEHOLDER_EXPR): Fix comment.
2571 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2573 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
2574 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
2575 (loc_list_from_tree): Don't handle unsigned division. Handle
2576 signed modulo using DW_OP_{over,over,div,mul,minus}.
2577 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
2578 modulo instead of signed.
2580 2010-01-20 DJ Delorie <dj@redhat.com>
2582 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
2584 (h8300_emit_stack_adjustment): Propogate it.
2586 (h8300_expand_prologue): Likewise.
2587 (h8300_expand_epilogue): Likewise.
2589 2010-01-19 Michael Matz <matz@suse.de>
2591 PR tree-optimization/41783
2592 * tree-data-ref.c (toplevel): Include flags.h.
2593 (dump_data_dependence_relation): Also dump the inputs if the
2594 result will be unknown.
2595 (split_constant_offset_1): Look through some conversions.
2596 * tree-predcom.c (determine_roots_comp): Restart a new chain if
2597 the offset from last element is too large.
2598 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
2599 (reassociate_to_the_same_stmt): Handle vector registers.
2600 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
2602 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
2603 wide_prolog_niters argument, emit widening instructions.
2604 (vect_do_peeling_for_alignment): Adjust caller, use widened
2605 variant of the iteration cound.
2606 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
2608 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2611 * config/arm/neon-testgen.m (emit_automatics): New parameter
2612 features. Adjust for Fixed_return_reg feature.
2613 (test_intrinsic): Call emit_automatics with new feature.
2614 * config/arm/neon.ml: Update copyright years.
2615 (features): New Fixed_return_reg feature.
2616 (ops): Update feature for Vget_low.
2618 2010-01-19 Jakub Jelinek <jakub@redhat.com>
2620 PR tree-optimization/42719
2621 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
2625 * fwprop.c (all_uses_available_at): Return false if def_set dest
2626 is a REG that is used in def_insn.
2628 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
2630 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
2632 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
2635 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
2637 * target.h (struct gcc_target) <secondary_reload>: Change type
2638 of last argument to secondary_reload_info *.
2640 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
2643 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
2644 memory references with unaligned offsets. Remove CQImode handling.
2645 (unaligned_memory_operand): Return 1 for memory references with
2646 unaligned offsets. Remove CQImode handling.
2648 2010-01-18 Richard Guenther <rguenther@suse.de>
2651 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
2654 2010-01-18 Richard Guenther <rguenther@suse.de>
2656 PR tree-optimization/42781
2657 * tree-ssa-structalias.c (find_what_var_points_to): Skip
2658 restrict processing only if the original variable was artificial.
2660 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
2662 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
2663 find number of popped argument bytes.
2665 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
2666 Fix the text that describes the return value for invalid insns.
2668 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
2670 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
2671 Clarify what 'cost of the -dependence' is. Fix quoting.
2673 * toplev.c (default_get_pch_validity): Rename argument to "sz".
2674 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
2676 2010-01-17 Jakub Jelinek <jakub@redhat.com>
2678 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
2679 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
2681 2010-01-17 Richard Guenther <rguenther@suse.de>
2684 * function.c (split_complex_args): Take a VEC to modify.
2685 (assign_parms_augmented_arg_list): Build a VEC instead of
2686 a chain of PARM_DECLs.
2687 (assign_parms_unsplit_complex): Take a VEC of arguments.
2688 Do not fixup unmodified parms.
2689 (assign_parms): Deal with the VEC.
2690 (gimplify_parameters): Likewise.
2692 2010-01-17 Richard Guenther <rguenther@suse.de>
2694 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
2695 node existence check.
2696 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
2697 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
2698 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
2699 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
2700 (gimple_execute_on_growing_pred): Likewise.
2702 2010-01-17 Richard Guenther <rguenther@suse.de>
2704 PR tree-optimization/42773
2705 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
2706 (compute_antic_aux): Likewise.
2707 (compute_partial_antic_aux): Likewise.
2709 2010-01-17 Jie Zhang <jie.zhang@analog.com>
2712 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
2715 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
2717 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
2720 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
2721 Fix markup for strict argument.
2723 (TARGET_SCHED_REORDER2): Fix argument types.
2725 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
2726 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
2728 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
2729 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
2731 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
2734 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
2735 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
2736 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
2737 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
2738 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
2740 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
2742 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
2744 (TARGET_ASM_RELOC_RW_MASK): Add return type.
2745 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
2747 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
2749 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
2752 (TARGET_ASM_NAMED_SECTION): Fix argument list.
2754 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
2755 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
2757 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
2759 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
2761 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
2762 referring to it. Fix language.
2764 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
2766 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
2768 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
2770 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
2772 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
2773 '@var{stream}. Remove stray 'and'.
2775 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
2777 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
2779 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
2781 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
2782 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
2784 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
2785 Fix description of return value.
2786 Rename argument "sz" to "len."
2788 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
2789 Clarify meaning of 'true' return value.
2791 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
2793 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
2794 rep_mode versus mode_rep.
2796 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
2798 (TARGET_BUILTIN_DECL): Fix name.
2800 (TARGET_COMMUTATIVE_P): Fix type of first argument.
2802 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
2804 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
2806 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
2808 (TARGET_RELAXED_ORDERING): Use @deftypevr.
2810 (TARGET_GET_DRAP_RTX): Note that this is a hook.
2813 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
2814 Rename argument tm_fn to md_fn.
2816 (TARGET_OPTION_PRINT): Fix argument list.
2818 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
2821 * config/i386/i386.c (ix86_fixup_binary_operands):
2822 Revert FMA4 fixup of operands.
2824 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2827 * Makefile.in (write_entries_to_file, install-plugin):
2828 Use \012 instead of \n with tr.
2830 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
2832 * configure.ac (HAVE_AS_REF): New C macro.
2833 * configure: Regenerate.
2834 * config.in: Likewise.
2835 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
2837 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
2840 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
2842 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
2844 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
2846 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
2848 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
2850 (TARGET_IN_SMALL_DATA_P): Fix argument type.
2852 (TARGET_BINDS_LOCAL_P): Fix argument type.
2854 (TARGET_ASM_FILE_END): Use prototype.
2856 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
2858 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
2860 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
2862 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
2864 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
2865 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
2867 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
2868 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
2870 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
2871 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
2872 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
2873 (TARGET_ADDR_SPACE_CONVERT): Likewise.
2875 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
2877 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
2879 (TARGET_INIT_BUILTINS): Use prototype.
2881 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
2882 Put 'const char *' in braces. Fix parameter types.
2883 (TARGET_INVALID_CONVERSION): Fix parameter types.
2884 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
2885 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
2887 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
2890 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
2892 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
2894 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
2896 * doc/tm.texi (TARGET_HELP): Fix return type.
2898 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
2899 in braces. Fix argument types.
2901 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
2903 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
2905 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
2907 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
2908 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
2910 (TARGET_MANGLE_TYPE): Fix argument types.
2912 (TARGET_IRA_COVER_CLASSES): Use prototype.
2914 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
2916 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
2918 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
2920 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
2922 (TARGET_CALLEE_COPIES): Fix argument types.
2924 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
2926 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
2928 (TARGET_FUNCTION_VALUE): Fix argument types.
2930 (TARGET_RETURN_IN_MSB): Fix argument type.
2932 (TARGET_RETURN_IN_MEMORY): Fix argument types.
2934 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
2936 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
2938 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
2939 agree with return type.
2941 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
2943 2010-01-15 Jing Yu <jingyu@google.com>
2945 PR rtl-optimization/42691
2946 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
2947 a pseudo to a constant and are merged, and adjust comments.
2949 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
2951 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
2953 2010-01-15 Richard Guenther <rguenther@suse.de>
2956 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
2957 labels of computed or non-local gotos to the destination.
2958 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
2959 landing pad label is the first label.
2961 2010-01-15 Richard Guenther <rguenther@suse.de>
2963 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
2965 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
2968 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
2969 to allow generation of the xssqrtdp instruction on power7.
2970 (sqrtdf2_fpr): Ditto.
2972 2010-01-14 Jakub Jelinek <jakub@redhat.com>
2975 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
2976 functions with noreturn attribute.
2979 * varasm.c (declare_weak): Add weak attribute to decl if it
2980 doesn't have one already.
2981 (assemble_external): Only add decls to weak_decls if they also
2982 have weak attribute.
2984 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
2986 * var-tracking.c (var_reg_delete): Don't delete the association
2987 between REGs and values or one-part variables if the register
2990 2010-01-14 Jakub Jelinek <jakub@redhat.com>
2993 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
2994 because its first operand is a non-localized variable.
2996 2010-01-14 Martin Jambor <mjambor@suse.cz>
2998 PR tree-optimization/42706
2999 * tree-sra.c (encountered_recursive_call): New variable.
3000 (encountered_unchangable_recursive_call): Likewise.
3001 (sra_initialize): Initialize both new variables.
3002 (callsite_has_enough_arguments_p): New function.
3003 (scan_function): Call decl and flags check only for IPA-SRA, check
3004 whether there is a recursive call and whether it has enough arguments.
3005 (all_callers_have_enough_arguments_p): New function.
3006 (convert_callers): Look for recursive calls only when
3007 encountered_recursive_call is set.
3008 (ipa_early_sra): Bail out either if
3009 !all_callers_have_enough_arguments_p or
3010 encountered_unchangable_recursive_call.
3012 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3014 * sel-sched.c: Add 2010 to copyright years.
3015 * sel-sched-ir.c: Likewise.
3016 * sel-sched-ir.h: Likewise.
3018 2010-01-14 Martin Jambor <mjambor@suse.cz>
3020 PR tree-optimization/42714
3021 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
3022 constructors specially.
3024 2010-01-14 Andi Kleen <ak@linux.intel.com>
3026 * config/i386/drivers-i386.c (detect_caches_intel):
3027 Add l2sizekb parameter and fill in.
3028 (host_detect_local_cpu): Add l2sizekb, fill in.
3029 Add Atom small cache heuristic.
3031 2010-01-14 Andi Kleen <ak@linux.intel.com>
3033 * config/i386/drivers-i386.c (detect_caches_cpuid4):
3034 Add level3 parameter and fill in.
3035 (detect_caches_intel): Handle level3 cache.
3037 2010-01-14 Andi Kleen <ak@linux.intel.com>
3039 * config/i386/drivers-i386.c (host_detect_local_cpu):
3040 Fix core duo detection.
3042 2010-01-14 Andi Kleen <ak@linux.intel.com>
3044 * config/i386/drivers-i386.c (host_detect_local_cpu):
3047 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3049 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
3050 (rs6000_variable_issue_1): this. Use...
3051 (rs6000_variable_issue): here. Reimplement. Print debug info.
3053 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3055 * sel-sched-ir.c (sel_restore_other_notes): Rename to
3056 sel_restore_notes. Update all callers. Call reemit_notes
3059 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3061 PR rtl-optimization/42246
3062 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
3065 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3067 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
3068 all successors is the same as number of successors in current region.
3070 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3072 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
3073 to rename is not separable. Otherwise check that its LHS is not NULL.
3075 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3077 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
3079 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3081 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
3082 available registers when failed to discover LHS register class.
3083 Fix indentation. Update comment.
3085 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3086 Alexander Monakov <amonakov@ispras.ru>
3088 PR rtl-optimization/42389
3089 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
3091 (advance_state_on_fence): Likewise.
3092 (sel_target_adjust_priority): Print debug output only when
3093 sched_verbose >= 4, not 2.
3094 (get_expr_cost): Do not issue all unique insns on the next cycle.
3095 (fill_insns): Initialize can_issue_more from the value saved
3097 * sel-sched-ir.c (flist_add): New parameter issue_more.
3098 Init FENCE_ISSUE_MORE with it.
3099 (merge_fences): Likewise.
3100 (init_fences): Update call to flist_add.
3101 (add_to_fences, add_clean_fence_to_fences)
3102 (add_dirty_fence_to_fences): Likewise.
3103 (move_fence_to_fences): Update call to merge_fences.
3104 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
3106 * sel-sched-ir.h (struct _fence): New field issue_more.
3107 (FENCE_ISSUE_MORE): New accessor macro.
3109 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3111 PR rtl-optimization/42388
3112 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
3113 that have no predecessors nor successors. Do not call move_bb_info
3114 for empty blocks outside of current region.
3116 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3118 PR rtl-optimization/42294
3119 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
3120 * sel-sched.c (move_exprs_to_boundary): Transitively add all
3121 originators' originators.
3123 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3125 PR rtl-optimization/39453
3126 PR rtl-optimization/42246
3127 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
3129 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
3131 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3132 Alexander Monakov <amonakov@ispras.ru>
3135 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
3136 (maybe_tidy_empty_bb): ... here. Make static. Add new
3137 argument. Update all callers.
3138 (tidy_control_flow): ... and here. Recompute topological order
3139 of basic blocks in region if necessary.
3140 (sel_redirect_edge_and_branch): Change return type. Return true
3141 if topological order might have been invalidated.
3142 (purge_empty_blocks): Export and move from...
3143 * sel-sched.c (purge_empty_blocks): ... here.
3144 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
3145 (maybe_tidy_empty_bb): Delete prototype.
3146 (purge_empty_blocks): Declare.
3148 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3150 PR rtl-optimization/42249
3151 * sel-sched.c (try_replace_dest_reg): When chosen register
3152 and original register is the same, do not bail out early, but
3153 still check all original insns for validity of replacing destination
3154 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
3157 2010-01-14 Jakub Jelinek <jakub@redhat.com>
3160 Port from no-undefined-overflow branch:
3161 2009-03-09 Richard Guenther <rguenther@suse.de>
3163 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
3165 2010-01-14 Richard Guenther <rguenther@suse.de>
3168 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
3170 2010-01-14 Ira Rosen <irar@il.ibm.com>
3172 PR tree-optimization/42709
3173 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
3174 as scalar type in creation of constant vector operand.
3176 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3179 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
3180 (check-parallel-%): Match `testsuite' directory component only
3183 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
3185 PR translation/39521
3186 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
3189 2010-01-13 Richard Guenther <rguenther@suse.de>
3191 PR tree-optimization/42730
3192 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
3195 2010-01-13 Steve Ellcey <sje@cup.hp.com>
3198 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
3199 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
3202 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
3204 * config/bfin/libgcc-bfin.ver: Regenerate based on current
3205 libgcc-std.ver. Add entries for ___smulsi3_highpart and
3206 ___umulsi3_highpart.
3208 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
3209 rather than schedule_insns if the pass is enabled.
3211 2010-01-13 Martin Jambor <mjambor@suse.cz>
3213 PR tree-optimization/42704
3214 * tree-sra.c (sra_modify_assign): Do not delete assignments to
3217 2010-01-13 Martin Jambor <mjambor@suse.cz>
3219 PR tree-optimization/42703
3220 * tree-sra.c (analyze_access_subtree): Check that we can build a
3221 reference to the original data within the aggregate.
3223 2010-01-13 Richard Guenther <rguenther@suse.de>
3225 PR tree-optimization/42705
3226 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
3228 2010-01-13 Richard Guenther <rguenther@suse.de>
3231 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
3233 2010-01-13 Jakub Jelinek <jakub@redhat.com>
3236 * var-tracking.c (values_to_unmark): New variable.
3237 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
3238 values_to_unmark vector. Moved body to...
3239 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
3240 instead queue it into values_to_unmark vector.
3241 (vt_find_locations): Free values_to_unmark vector.
3243 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
3245 * config/s390/s390.c (override_options): Set
3246 default of max-pending-list-length to 256
3248 2010-01-13 Richard Guenther <rguenther@suse.de>
3251 * tree-pass.h (PROP_gimple_lcx): New.
3252 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
3253 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
3254 before the final cleanup_eh.
3255 (dump_properties): Dump PROP_gimple_lcx.
3256 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
3257 (tree_lower_complex_O0): Remove.
3258 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
3259 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
3260 tree_lower_complex, schedule TODO_update_ssa.
3261 * lto-streamer-out.c (output_function): Stream the functions
3263 * lto-streamer-in.c (input_function): Likewise.
3264 (lto_read_body): Do not override them here.
3266 2010-01-12 Joseph Myers <joseph@codesourcery.com>
3269 * c-typeck.c (build_c_cast): Fold value cast to union type before
3270 wrapping it in a CONSTRUCTOR.
3272 2010-01-12 Jakub Jelinek <jakub@redhat.com>
3274 PR rtl-optimization/42699
3275 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
3278 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3280 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
3281 SUBTARGET_WARN_UNUSED_SPEC): Move ...
3282 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
3283 SUBTARGET_WARN_UNUSED_SPEC): ... here
3284 * config/mips/iris5.h (LIBGCC_SPEC): Define.
3286 2010-01-12 Julian Brown <julian@codesourcery.com>
3288 * config/arm/neon-schedgen.ml (Utils): Don't try to
3289 open missing module.
3290 (find_with_result): New.
3292 2010-01-12 Jakub Jelinek <jakub@redhat.com>
3295 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
3296 sharing when canonicalizing ({lt,ge}u (plus a b) b).
3298 PR tree-optimization/42645
3299 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
3300 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
3301 decl_map, set processing_debug_stmt to -1 and return name without
3304 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
3306 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
3307 binutils version, and reword target configuration description.
3309 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
3311 * config/avr/avr.h (LINKER_NAME): Remove.
3313 2010-01-11 Janis Johnson <janis187@us.ibm.com>
3316 * config/rs6000/rs6000.c (rs6000_override_options): On targets
3317 that support VSX, warn for -mno-altivec if vsx is not disabled,
3320 2010-01-11 Joseph Myers <joseph@codesourcery.com>
3321 Shujing Zhao <pearly.zhao@oracle.com>
3323 PR translation/42469
3324 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
3325 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
3326 character between option name and help text.
3327 * c.opt (imultilib): Likewise.
3329 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
3331 * lto-streamer-out.c (output_unreferenced_globals): Output static
3334 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
3336 PR rtl-optimization/42621
3337 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
3338 optimizing for size.
3339 (duplicate_computed_gotos): Remove now-redundant check.
3341 2010-01-10 Steve Ellcey <sje@cup.hp.com>
3344 * configure.ac: Save and restore LDFLAGS and LIBS
3345 * configure: Regenerate.
3347 2010-01-10 Richard Guenther <rguenther@suse.de>
3350 * builtins.c (fold_builtin_strlen): Add type argument and
3351 convert the resulting length to it.
3352 (fold_builtin_1): Adjust.
3354 2010-01-09 Jakub Jelinek <jakub@redhat.com>
3356 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
3357 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
3359 (num_insns_constant_wide): Adjust for that change.
3361 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3364 * web.c (union_defs): Add used argument, to combine uses of
3366 (entry_register): Adjust type and tests of used argument.
3367 (web_main): Widen used for new use. Pass it to union_defs.
3368 * df.h (union_defs): Adjust prototype.
3370 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3373 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
3374 uses in new incoming argument. Free body.
3375 (reset_debug_uses_in_loop): New.
3376 (analyze_insn_to_expand_var): Call the latter if the former found
3377 anything. Fix whitespace. Reject invalid dest overlaps before
3378 going through all insns in the loop.
3380 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3383 * haifa-sched.c (dying_use_p): Debug insns don't count.
3385 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3388 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
3389 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
3390 (verify_gimple_call): Reject LHS in noreturn calls.
3392 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3396 * tree-vect-loop-manip.c (adjust_info): New type.
3397 (adjust_vec): New pointer to vector.
3398 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
3399 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
3400 (slpeel_update_phis_for_duplicate_loop): Use them.
3401 (slpeel_update_phi_nodes_for_guard1): Likewise.
3402 (slpeel_update_phi_nodes_for_guard2): Likewise.
3403 (slpeel_tree_peel_loop_to_edge): Likewise.
3404 (vect_update_ivs_after_vectorizer): Likewise.
3406 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3408 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
3409 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
3411 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3413 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
3414 bogus uninitialized warning.
3416 2010-01-09 Richard Guenther <rguenther@suse.de>
3419 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
3420 the evolution is compatible with the initial condition.
3422 2010-01-09 Jakub Jelinek <jakub@redhat.com>
3424 * gcc.c (process_command): Update copyright notice dates.
3425 * gcov.c (print_version): Likewise.
3426 * gcov-dump.c (print_version): Likewise.
3427 * mips-tfile.c (main): Likewise.
3428 * mips-tdump.c (main): Likewise.
3430 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
3433 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
3435 (rotlhi3_8): Delete.
3437 (rotlsi3_8): Delete.
3438 (rotlsi3_16): Delete.
3439 (rotlsi3_24): Delete.
3441 (*rotw<mode>3): New.
3442 (*rotb<mode>3): New.
3443 * config/avr/avr.c (avr_rotate_bytes): New function.
3444 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
3446 2010-01-08 Steve Ellcey <sje@cup.hp.com>
3449 * configure.ac: Modify -rdynamic check.
3450 * configure: Regenerate.
3452 2010-01-08 DJ Delorie <dj@redhat.com>
3454 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
3455 register popping order.
3457 2010-01-08 Richard Guenther <rguenther@suse.de>
3460 * c.opt (fsigned-char): Also let LTO handle this option.
3461 (funsigned-char): Likewise.
3463 2010-01-07 Richard Guenther <rguenther@suse.de>
3465 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
3466 (gimple_op): Likewise.
3467 (gimple_op_ptr): Likewise.
3468 (gimple_assign_set_lhs): Remove gcc_assert.
3469 (gimple_assign_set_rhs1): Likewise.
3470 (gimple_assign_set_rhs2): Likewise.
3471 (gimple_call_set_lhs): Likewise.
3472 (gimple_call_set_fn): Likewise.
3473 (gimple_call_set_fndecl): Likewise.
3474 (gimple_call_fndecl): Likewise.
3475 (gimple_call_return_type): Likewise.
3476 (gimple_call_set_chain): Likewise.
3477 (gimple_call_num_args): Likewise.
3478 (gimple_call_set_arg): Likewise.
3479 (gimple_cond_set_code): Likewise.
3480 (gimple_cond_set_lhs): Likewise.
3481 (gimple_cond_set_rhs): Likewise.
3482 (gimple_cond_set_true_label): Likewise.
3483 (gimple_cond_set_false_label): Likewise.
3484 (gimple_label_set_label): Likewise.
3485 (gimple_goto_set_dest): Likewise.
3486 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
3487 (gimple_debug_bind_get_value): Likewise.
3488 (gimple_debug_bind_get_value_ptr): Likewise.
3489 (gimple_debug_bind_set_var): Likewise.
3490 (gimple_debug_bind_set_value): Likewise.
3491 (gimple_debug_bind_reset_value): Likewise.
3492 (gimple_debug_bind_has_value_p): Likewise.
3493 (gimple_return_retval_ptr): Remove gcc_assert.
3494 (gimple_return_retval): Likewise.
3495 (gimple_return_set_retval): Likewise.
3496 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
3497 (safe_referenced_var_iterator): Remove.
3498 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
3499 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
3500 (fill_referenced_var_vec): Remove.
3501 (first_readonly_imm_use): Remove redundant gcc_assert.
3502 (phi_arg_index_from_use): Combine gcc_asserts.
3503 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
3504 (first_imm_use_stmt): Remove redundant gcc_assert.
3505 * tree-cfg.c (verify_gimple_call): Verify function and chain
3506 operands. Verify arguments.
3507 (verify_types_in_gimple_stmt): Verify condition code and labels.
3509 2010-01-07 Richard Guenther <rguenther@suse.de>
3511 PR tree-optimization/42641
3512 * sese.c (rename_map_elt_info): Use the SSA name version, do
3515 2010-01-07 Jakub Jelinek <jakub@redhat.com>
3517 PR tree-optimization/42625
3518 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
3519 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
3521 2010-01-07 Duncan Sands <baldrick@free.fr>
3523 * Makefile.in (PLUGIN_HEADERS): Add version.h.
3525 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
3528 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
3529 note itself is not function_invariant_p.
3531 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
3533 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
3534 Do not add the DF_NOTE problem.
3535 * store-motion.c (execute_rtl_store_motion): Likewise.
3537 2010-01-07 Martin Jambor <mjambor@suse.cz>
3539 PR tree-optimization/42157
3540 * tree-sra.c (compare_access_positions): Stabilize sort if both
3541 accesses have integer types, return zero immediately if they are the
3544 2010-01-06 Richard Henderson <rth@redhat.com>
3547 * haifa-sched.c (add_to_note_list): Merge into ...
3548 (concat_note_lists): ... here, and ...
3549 (unlink_other_notes, rm_other_notes): Merge into...
3550 (remove_notes): ... here. Create REG_SAVE_NOTEs for
3551 NOTE_INSN_EPILOGUE_BEG.
3553 2010-01-06 Richard Guenther <rguenther@suse.de>
3555 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
3556 not inline regular functions into always-inline functions.
3558 2010-01-06 Nick Clifton <nickc@redhat.com>
3560 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
3561 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
3563 (OVERRIDE_OPTIONS): Delete.
3564 (OPTIMIZATION_OPTIONS): Define.
3565 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
3566 * config/rx/rx.c (rx_handle_option): Issue an error message if
3567 -mcpu=rx200 and -fpu are used together.
3568 (rx_set_optimization_options): New function. Issue an error
3569 message if an optimization attribute attempts to reset the FPU/
3570 math optimization pairing.
3571 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
3572 * config/rx/rx.opt: Set the default to 32-bit doubles.
3573 * config/rx/t-rx: Add multilibs for -nofpu option.
3574 * doc/invoke.texi: Update documentation of RX options.
3576 2010-01-06 Richard Guenther <rguenther@suse.de>
3578 * tree-ssa-pre.c (name_to_id): New global.
3579 (alloc_expression_id): Simplify SSA name handling.
3580 (lookup_expression_id): Likewise.
3581 (init_pre): Zero name_to_id.
3582 (fini_pre): Free it.
3584 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
3586 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
3588 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
3591 * config/i386/sse.md (smaxv2di3): New.
3592 (umaxv2di3): Likewise.
3593 (sminv2di3): Likewise.
3594 (uminv2di3): Likewise.
3596 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
3599 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
3600 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
3601 (legitimize_tls_address): Likewise.
3602 (sparc_tls_referenced_p): Likewise.
3603 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
3604 and adjust calls to legitimize_pic_address.
3605 (legitimate_constant_p) Use sparc_tls_referenced_p.
3606 (legitimate_pic_operand_p): Likewise.
3607 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
3608 (sparc_tls_symbol_ref_1): Delete.
3609 (sparc_tls_referenced_p): Make static, recognize specific patterns.
3610 (legitimize_tls_address): Make static, handle CONST patterns.
3611 (legitimize_pic_address): Make static, remove unused parameter and
3612 adjust recursive calls.
3613 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
3614 and adjust call to legitimize_pic_address.
3615 (sparc_output_mi_thunk): Likewise.
3617 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
3618 H.J. Lu <hongjiu.lu@intel.com>
3621 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
3622 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
3623 operands to make them signed.
3626 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
3629 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
3630 GTU to GT for V4SI and V2DI.
3632 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
3633 (umin<mode>3): Removed.
3635 (uminv4si3): Likewise.
3637 2010-01-05 Martin Jambor <mjambor@suse.cz>
3639 PR tree-optimization/42462
3640 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
3641 current_function_decl to helper functions and macros.
3643 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3646 * flags.h: Don't include real.h.
3647 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
3648 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
3649 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
3650 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
3651 * dominance.c: Update copyright.
3652 * gimple.c (walk_gimple_op): Remove inline.
3653 * tree-ssa-reassoc.c: Include real.h.
3654 * Makefile.in (FLAGS_H): Remove $(REAL_H).
3655 (tree-ssa-reassoc.o): Depend on $(REAL_H).
3657 2010-01-05 Nick Clifton <nickc@redhat.com>
3659 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
3660 register to push into the stack frame when the accumulator has to
3661 be saved during interrupts.
3663 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
3665 * doc/invoke.texi: Remove the documentation about option
3667 * common.opt (Wunreachable-code): Preserved for backward
3669 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
3670 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
3671 the backward compatibility flag section.
3673 2010-01-05 Richard Guenther <rguenther@suse.de>
3675 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
3677 2010-01-05 Jakub Jelinek <jakub@redhat.com>
3680 * cfgexpand.c (expand_one_var): Diagnose too large variables.
3682 PR tree-optimization/42508
3683 * tree-sra.c (convert_callers): Check for recursive call
3684 by comparing cgraph nodes instead of decls.
3685 (modify_function): Call ipa_modify_formal_parameters also
3686 on all same_body aliases.
3688 * cgraphunit.c (cgraph_materialize_all_clones): Compare
3689 cgraph nodes when checking for same_body aliases.
3691 2010-01-05 Richard Guenther <rguenther@suse.de>
3693 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
3694 allocation and lookup.
3695 (get_or_alloc_expr_for_constant): Likewise.
3696 (phi_translate): Sink allocation.
3698 2010-01-04 Richard Guenther <rguenther@suse.de>
3700 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
3701 a new entry only if needed.
3702 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
3703 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
3705 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
3707 (phi_translate): Handle CONSTANTs early.
3709 2010-01-04 Martin Jambor <mjambor@suse.cz>
3711 PR tree-optimization/42398
3712 * tree-sra.c (struct access): Removed flag grp_different_types.
3713 (dump_access): Do not dump the removed flag.
3714 (sort_and_splice_var_accesses): Do not set the removed flag.
3715 (sra_modify_expr): Check for type compatibility directly.
3717 2010-01-04 Martin Jambor <mjambor@suse.cz>
3719 PR tree-optimization/42366
3720 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
3721 edges with variable number of parameters.
3722 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
3723 flag instead of asserting it.
3724 (ipa_read_node_info): Read uses_analysis_done flag.
3726 2010-01-04 Richard Guenther <rguenther@suse.de>
3728 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
3729 iterative_hash_* as intended.
3730 (vn_reference_compute_hash): Likewise. Simplify hashing
3732 (vn_reference_lookup_2): Likewise.
3733 (vn_nary_op_compute_hash): Likewise.
3734 (vn_phi_compute_hash): Likewise.
3735 (expressions_equal_p): Remove strange code.
3736 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
3737 (pre_expr_hash): Likewise. Simplify hashing SSA names.
3738 (bitmap_insert_into_set_1): Take value-id as parameter.
3739 (add_to_value): Pass it.
3740 (bitmap_insert_into_set): Likewise.
3741 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
3743 2010-01-04 Jakub Jelinek <jakub@redhat.com>
3746 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
3747 (do_self_spec): For switches with SWITCH_IGNORE set set also
3748 SWITCH_IGNORE_PERMANENTLY.
3749 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
3752 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
3754 * lto-streamer-out.c (output_unreferenced_globals): Output the full
3755 tree of an unreferenced global var.
3757 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
3760 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
3761 GTU to GT for V4SI and V2DI.
3763 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
3764 (umin<mode>3): Removed.
3766 (uminv4si3): Likewise.
3768 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
3771 * collect2.c (main): Turn on trace in collect2 if -v is passed
3774 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
3776 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
3777 description of expression operand.
3779 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
3781 * configure.ac: Add install-html to target_list for Make-hooks.
3782 * configure: Regenerate.
3783 * fortran/Make-lang.in (F95_HTMLFILES): New.
3784 (fortran.html): Use it.
3785 (fortran.install-html): New.
3786 * Makefile.in (install-html): Add lang.install-html.
3787 * java/Make-lang.in (JAVA_HTMLFILES): New.
3788 (java.html): Use it.
3789 (java.install-html): New.
3790 * objc/Make-lang.in (objc.install-html): New.
3791 * objcp/Make-lang.in (obj-c++.install-html): New.
3792 * cp/Make-lang.in (c++.install-html): New.
3793 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
3794 * lto/Make-lang.in (lto.install-html): New.
3796 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
3799 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
3801 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
3803 PR rtl-optimization/41862
3804 * store-motion.c (store_killed_in_insn, compute_store_table,
3805 remove_reachable_equiv_notes, replace_store_insn,
3806 build_store_vectors): Ignore all DEBUG_INSNs.
3808 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
3811 * common.opt: Add dumpdir.
3813 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
3815 (option_map): Add --dumpdir.
3817 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
3819 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
3821 * opts.c (decode_options): Try dump_dir_name first if
3822 dump_base_name isn't an absolute path.
3823 (common_handle_option): Handle OPT_dumpdir.
3825 * toplev.c (dump_dir_name): New.
3826 (print_switch_values): Also ignore -dumpdir.
3828 * toplev.h (dump_dir_name): New.
3830 2010-01-03 Richard Guenther <rguenther@suse.de>
3832 PR tree-optimization/42589
3833 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
3834 double-word expansion of bswap32.
3836 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
3838 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
3839 with BLOCK_FOR_INSN.
3840 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
3841 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
3842 noce_process_if_block): Likewise.
3843 * gcse.c (compute_local_properties, insert_expr_in_table,
3844 insert_set_in_table, canon_list_insert, find_avail_set,
3845 pre_insert_copy_insn): Likewise.
3847 * basic-block.h (BLOCK_NUM): Move from here...
3848 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
3850 2010-01-03 Richard Guenther <rguenther@suse.de>
3852 PR tree-optimization/42438
3853 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
3854 contains_may_not_return_call flag.
3855 (BB_MAY_NOTRETURN): New.
3856 (valid_in_sets): Trapping nary operations are not valid
3857 in blocks that may not return.
3858 (insert_into_preds_of_block): Remove check for trapping expressions.
3859 (compute_avail): Compute also BB_MAY_NOTRETURN.
3861 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
3863 * doc/invoke.texi: Add 2010 to copyright years.
3865 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
3867 * config/sparc/sparc.c: Fix formatting nits.
3869 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
3870 Alexander Monakov <amonakov@ispras.ru>
3872 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
3874 2010-01-02 Richard Guenther <rguenther@suse.de>
3877 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
3878 (simplify_switch_using_ranges): Mark to be removed edges
3881 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3883 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
3885 * collect2.c (scan_libraries): Add missing argument in call to
3888 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
3891 * config/alpha/predicates.md (aligned_memory_operand): Return false
3893 (unaligned_memory_operand): Return true for CQImode.
3894 * config/alpha/alpha.c (get_aligned_mem): Assert that location
3895 doesn not cross aligned SImode word boundary.
3897 2010-01-02 Anatoly Sokolov <aesok@post.ru>
3899 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
3901 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
3902 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
3904 2010-01-02 Richard Guenther <rguenther@suse.de>
3907 * toplev.c (compile_file): Emit LTO marker properly. Change
3909 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
3911 2010-01-01 Richard Guenther <rguenther@suse.de>
3914 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
3916 2010-01-01 Richard Guenther <rguenther@suse.de>
3919 * c-decl.c (grokdeclarator): For zero-size arrays force
3920 structural equality checks as layout_type does.
3922 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
3924 * builtins.c: Update copyright to 2010.
3926 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
3929 * lto-streamer-out.c (produce_asm): Revert the last change.
3930 (copy_function): Likewise.
3932 * lto-streamer.c (lto_get_section_name): Skip any leading
3935 2010-01-01 Richard Guenther <rguenther@suse.de>
3938 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
3942 Copyright (C) 2010 Free Software Foundation, Inc.
3944 Copying and distribution of this file, with or without modification,
3945 are permitted in any medium without royalty provided the copyright
3946 notice and this notice are preserved.