1 2010-03-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
2 Jack Howarth <howarth@bromo.med.uc.edu>
5 * gcc/config/i386/i386.h: Fix ABI on darwin x86-32.
7 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
9 * tree.h: Declare make_decl_rtl_for_debug.
10 * varasm.c (make_decl_rtl_for_debug): New.
11 * dwarf2out.c (rtl_for_decl_location): Call it.
12 * cfgexpand.c (expand_debug_expr): Call it.
14 2010-03-18 Jakub Jelinek <jakub@redhat.com>
17 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
21 * var-tracking.c (vt_init_cfa_base): Do nothing if
22 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed
25 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
28 * var-tracking.c (canonicalize_vars_star): New.
29 (dataflow_post_merge_adjust): Use it.
31 2010-03-18 Jakub Jelinek <jakub@redhat.com>
34 * var-tracking.c (non_suitable_const): New function.
35 (add_uses): For DEBUG_INSNs with constants, don't record any
36 value, instead just the constant value itself.
37 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
38 is not VAR_LOC_UNKNOWN_P, set var to the constant.
39 (emit_notes_in_bb): Likewise.
40 (emit_note_insn_var_location): For onepart variables if
41 cur_loc is a VOIDmode constant, use DECL_MODE.
43 2010-03-18 Martin Jambor <mjambor@suse.cz>
46 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
47 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
48 all non-clones. Moved call redirection...
49 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new
51 (cgraph_materialize_all_clones): Dispose of all
52 combined_args_to_skip bitmaps.
53 (verify_cgraph_node): Do not check for edges pointing to wrong
54 nodes in inline clones.
55 * tree-inline.c (copy_bb): Call
56 cgraph_redirect_edge_call_stmt_to_callee.
57 * ipa.c (cgraph_remove_unreachable_nodes): Call
58 cgraph_node_remove_callees even when there are used clones.
60 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
62 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
64 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
67 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
70 2010-03-18 Michael Matz <matz@suse.de>
73 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
74 into sqrt(x) if we need to preserve signed zeros.
76 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
77 Eric Botcazou <ebotcazou@adacore.com>
79 PR rtl-optimization/43360
80 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
81 note if we don't know its invariant status.
83 2010-03-18 Michael Matz <matz@suse.de>
85 PR tree-optimization/43402
86 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
87 PHI chains of ssa names registered for update.
89 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
92 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
93 non-offsettable and pre_modify update addressing.
94 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
95 and "2" alternatives "#".
96 (*movdd_softfloat32): Make all alternatives "#";
97 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
98 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
99 (*movdf_softfloat32): Make all alternatives "#";
100 (movdi): Use the new DIFD mode iterator to create a common splitter
101 for movdi, movdf and movdd patterns.
103 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
105 * common.opt (dumpdir): Remove redundant tab.
107 2010-03-17 Martin Jambor <mjambor@suse.cz>
109 PR tree-optimization/43347
110 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
111 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
113 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
115 PR rtl-optimization/42216
116 * regrename.c (create_new_chain): New function, broken out from...
117 (scan_rtx_reg): ... here. Call it. Handle the case where we are
118 appending a use to an empty chain.
119 (build_def_use): Remove previous changes that convert OP_INOUT to
120 OP_OUT operands; instead detect the case where an OP_INOUT operand
121 uses a previously untracked register and create an empty chain for
124 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
126 * doc/extend.texi (Function Attributes): Rewrite unfinished
127 sentence in ms_abi documentation.
129 2010-03-17 Alan Modra <amodra@gmail.com>
131 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
132 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
133 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
134 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
136 2010-03-16 Richard Henderson <rth@redhat.com>
139 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
140 (lower_try_finally): Save and restore eh_seq around the expansion
143 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
145 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
146 statements before splitting block.
148 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
150 * doc/sourcebuild.texi (Testsuites): Fix markup.
151 Use pathnames relative to gcc/testsuite.
152 (Test Directives): Move description of how timeout is determined.
153 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
154 (C Tests): Correct gcc.misc-tests directory.
155 Framework tests now live in gcc.test-framework.
157 2010-03-16 Richard Guenther <rguenther@suse.de>
160 * tree-cfg.c (gimple_merge_blocks): When propagating virtual
161 PHI operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI
164 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
165 Alexandre Oliva <aoliva@redhat.com>
167 PR tree-optimization/42917
168 * lambda-code.c (remove_iv): Skip debug statements.
169 (lambda_loopnest_to_gcc_loopnest): Likewise.
170 (not_interesting_stmt): Debug statements are not interesting.
172 2010-03-16 Jakub Jelinek <jakub@redhat.com>
176 * cselib.c (cselib_preserve_constants,
177 cfa_base_preserved_val): New static variables.
178 (preserve_only_constants): New function.
179 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
180 clear its REG_VALUES. If cselib_preserve_constants, don't
181 empty the whole hash table, but preserve there VALUEs with constants,
182 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
183 (cselib_preserve_cfa_base_value): New function.
184 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
185 (cselib_init): Change argument to int bitfield. Set
186 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
188 (cselib_finish): Clear cselib_preserve_constants and
189 cfa_base_preserved_val.
190 * cselib.h (enum cselib_record_what): New enum.
191 (cselib_init): Change argument to int.
192 (cselib_preserve_cfa_base_value): New prototype.
193 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
194 * dse.c (dse_step1): Likewise.
195 * cfgcleanup.c (thread_jump): Likewise.
196 * sched-deps.c (sched_analyze): Likewise.
197 * gcse.c (local_cprop_pass): Likewise.
198 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
199 If FN is non-NULL, call the callback always and whenever it returns
200 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
201 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
202 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
203 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
204 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
205 * var-tracking.c: Include recog.h.
206 (bb_stack_adjust_offset): Remove.
207 (vt_stack_adjustments): Don't call it, instead just gather the
208 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
209 (adjust_stack_reference): Remove.
210 (compute_cfa_pointer): New function.
211 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
212 (struct adjust_mem_data): New type.
213 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
215 (get_address_mode): New function.
216 (replace_expr_with_values): Use it.
217 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
218 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
219 (adjust_sets): Remove.
220 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
221 Use get_address_mode.
222 (get_adjusted_src): Remove.
223 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
224 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
225 (add_with_sets): Don't call adjust_sets.
226 (fp_setter, vt_init_cfa_base): New functions.
227 (vt_initialize): Change return type to bool. Move most of pool etc.
228 initialization to the beginning of the function from end. Pass
229 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
230 If !frame_pointer_needed, call vt_stack_adjustment before mos
231 vector is filled, call vt_init_cfa_base if argp/framep has been
232 eliminated to sp. If frame_pointer_needed and argp/framep has
233 been eliminated to hard frame pointer, set
234 hard_frame_pointer_adjustment and call vt_init_cfa_base after
235 encountering fp setter in the prologue. For MO_ADJUST, call
236 log_op_type before pusing the op into mos vector, not afterwards.
237 Call adjust_insn before cselib_process_insn/add_with_sets,
238 call cancel_changes (0) afterwards.
239 (variable_tracking_main_1): Adjust for vt_initialize calling
240 vt_stack_adjustments and returning whether it succeeded or not.
242 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
244 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
247 2010-03-15 Jakub Jelinek <jakub@redhat.com>
249 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
251 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
252 drap_reg has not been set.
254 2010-03-15 Michael Matz <matz@suse.de>
257 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
258 use it to expand block copies.
259 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
260 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
261 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
263 2010-03-15 Richard Guenther <rguenther@suse.de>
265 PR tree-optimization/43367
266 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
269 2010-03-15 Richard Guenther <rguenther@suse.de>
271 PR tree-optimization/43317
272 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
274 2010-03-15 Martin Jambor <mjambor@suse.cz>
276 PR tree-optimization/43141
277 * tree-sra.c (create_abstract_origin): New function.
278 (modify_function): Call create_abstract_origin.
280 2010-03-15 Chris Demetriou <cgd@google.com>
282 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
285 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
288 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
289 call insert_out_of_ssa_copy for default definitions.
291 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
293 * graphite-clast-to-gimple.c (my_long_long): Defined.
294 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
295 * graphite-sese-to-poly.c (my_long_long): Defined.
296 (scop_ivs_can_be_represented): Use it.
298 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
300 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
301 graphite-max-bbs-per-function, and loop-block-tile-size.
302 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
304 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
306 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
308 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
310 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
311 (add_upper_bounds_from_estimated_nit): New.
312 (build_loop_iteration_domains): Use it.
314 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
316 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
318 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
321 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
322 should be an INTEGER_CST. Also handle CASE_CONVERT.
324 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
326 * graphite.c (graphite_initialize): To bound the number of bbs per
327 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
328 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
329 * doc/invoke.texi: Document it.
331 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
333 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
334 * graphite-sese-to-poly.h (build_poly_scop): Same.
336 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
338 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
339 the number of parameters in the scop. Use as an upper bound
340 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
341 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
342 * doc/invoke.texi: Document it.
344 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
346 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
347 * doc/c-tree.texi: Remove.
348 * doc/generic.texi: Merge c-tree.texi here.
349 * doc/gccint.texi (Trees): Remove menu entry.
350 (c-tree.texi): Remove @include.
351 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
352 * doc/languages.texi (Reading RTL): Ditto.
354 2010-03-12 Steve Ellcey <sje@cup.hp.com>
357 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
359 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
362 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
363 code added to work around reload clobbering CONST insns.
365 2010-03-12 Jakub Jelinek <jakub@redhat.com>
367 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
368 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
369 (cselib_preserve_only_values): Remove retain argument, don't
370 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
371 * cselib.h (cselib_preserve_only_values): Remove retain argument.
372 * var-tracking.c (micro_operation): Move insn field before union.
373 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
374 (struct variable_tracking_info_def): Remove n_mos field, change
375 mos into a vector of micro_operations.
376 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
377 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
378 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
379 changing into a vector.
380 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
381 come before all other uops generated by add_stores.
382 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
384 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
385 a vector. Run just one pass over the bbs instead of separate counting
386 and computation phase.
387 (vt_finalize): Free VTI (bb)->mos vector instead of array.
390 * tree-inline.c (remap_decls): Put old_var rather than origin_var
391 into *nonlocalized_list vector.
392 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
393 even if origin is non-NULL.
394 (gen_variable_die): Likewise.
395 (process_scope_var): Don't change origin.
396 (gen_decl_die): Likewise.
397 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
398 before adding new edges instead of after it, fix moving over
401 2010-03-11 David S. Miller <davem@davemloft.net>
403 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
405 * configure: Rebuild.
407 2010-03-11 Martin Jambor <mjambor@suse.cz>
409 PR tree-optimization/43257
410 * tree.c (assign_assembler_name_if_neeeded): New function.
411 (free_lang_data_in_cgraph): Assembler name assignment moved to the
413 * tree.h (assign_assembler_name_if_neeeded): Declare.
414 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
415 the function if needed.
417 2010-03-11 Chris Demetriou <cgd@google.com>
419 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
420 include/stdint-gcc.h, and include/stdint.h world-readable.
422 2010-03-11 Richard Guenther <rguenther@suse.de>
424 PR tree-optimization/43255
425 * tree-vrp.c (process_assert_insertions_for): Do not insert
426 asserts for trivial conditions.
428 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
430 PR tree-optimization/43280
431 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
432 generation. Move calculation of size out of the if branch.
433 (find_bswap): Modify compare number generation.
435 2010-03-11 Richard Guenther <rguenther@suse.de>
438 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
439 (input_gimple_stmt): Fixup handled component types during
440 operand read. Also fix up decls in ADDR_EXPRs.
442 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
444 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
445 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
447 2010-03-10 Jan Hubicka <jh@suse.cz>
450 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
451 * varasm.c (get_variable_section): Don't do that here...
452 (make_decl_rtl): ... and here.
453 (do_assemble_alias): Produce decl RTL.
454 (assemble_alias): Likewise.
456 2010-03-10 Jakub Jelinek <jakub@redhat.com>
459 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
460 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
462 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
463 (based_loc_descr): Only express drap or vdrap regno based expressions
464 using DW_OP_fbreg when not optimizing.
465 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
466 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
467 REG_CFA_SET_VDRAP note.
469 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
471 PR tree-optimization/43236
472 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
473 error in calculation of base address in reverse iteration case.
474 (generate_builtin): Take number of latch executions if the statement
477 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
480 * tree-eh.c: Include pointer-set.h.
481 (lower_eh_dispatch): Filter out duplicate case labels and
482 remove the unneeded edge when the label is unused. Return
483 true when some edges are removed.
484 (execute_lower_eh_dispatch): When any lowering resulted in
485 removing an edge, also delete unreachable blocks.
487 2010-03-10 Jakub Jelinek <jakub@redhat.com>
490 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
491 UNSPEC_MACHOPIC_OFFSET.
493 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
496 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
497 (m68k_delegitimize_address): New function.
499 2010-03-09 Jakub Jelinek <jakub@redhat.com>
502 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
505 * var-tracking.c (adjust_sets): New function.
506 (count_with_sets, add_with_sets): Use it.
507 (get_adjusted_src): New inline function.
508 (add_stores): Use it.
511 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
512 call cselib_dummy_expand_value_rtx_cb instead of
513 cselib_expand_value_rtx_cb.
516 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
517 * config/i386/i386.c: Include debug.h and dwarf2out.h.
518 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
519 and .cfi_endproc around the pic thunks.
520 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
521 all queued unwind info register saves are saved before the call.
522 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
523 considered as sp-=4 for unwind info and the pop as sp+=4 which
524 also clobbers dest, but doesn't actually restore it.
527 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
530 2010-03-09 Jie Zhang <jie@codesourcery.com>
532 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
533 whitespaces in output template.
535 2010-03-09 Jie Zhang <jie@codesourcery.com>
537 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
540 2010-03-08 Jakub Jelinek <jakub@redhat.com>
542 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
543 builtins.exp in a separate job.
545 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
547 * graphite-sese-to-poly.c (add_param_constraints): Use
548 lower_bound_in_type and upper_bound_in_type.
550 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
552 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
553 instead of unsigned_type_node.
555 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
556 Reza Yazdani <reza.yazdani@amd.com>
559 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
560 on pointer type parameters.
562 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
566 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
567 handle conversions from pointer to integers.
568 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
569 induction variable, to be able to work with code generated by CLooG.
570 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
571 (build_poly_scop): Bail out if we cannot codegen a loop.
573 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
575 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
576 code generation with gloog_error.
578 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
580 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
581 Call fold_convert on all the returned values.
582 (expand_scalar_variables_expr): Pass to
583 expand_scalar_variables_ssa_name the type of the resulting expression.
585 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
587 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
588 ppl_min_for_le_pointset.
589 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
590 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
592 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
594 * graphite-dependences.c (map_into_dep_poly): Removed.
595 (dependence_polyhedron_1): Use combine_context_id_scat.
597 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
599 * graphite-poly.h (struct poly_scattering): Add layout documentation.
600 (struct poly_bb): Same.
601 (combine_context_id_scat): New.
603 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
606 * sese.c (name_defined_in_loop_p): Return false for default
609 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
611 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
612 and clean up the logic.
614 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
616 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
619 2010-03-08 Jakub Jelinek <jakub@redhat.com>
621 * var-tracking.c (remove_cselib_value_chains): Define only for
623 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
624 delete_slot_part, emit_notes_for_differences_1): Don't call
625 remove_cselib_value_chains here.
626 (set_slot_part, emit_notes_for_differences_2): Don't call
627 add_cselib_value_chains here.
628 (preserved_values): New vector.
629 (preserve_value): New function.
630 (add_uses, add_stores, vt_add_function_parameters): Use it
631 instead of cselib_preserve_value.
632 (changed_values_stack): New vector.
633 (check_changed_vars_0): New function.
634 (check_changed_vars_1, check_changed_vars_2): Use it.
635 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
636 changed_values_stack VALUEs.
637 (vt_emit_notes): For all preserved_values call
638 add_cselib_value_chains. If ENABLE_CHECKING call
639 remove_cselib_value_chains before verifying value_chains is empty.
640 Initialize and free changed_values_stack.
641 (vt_initialize): Initialize preserved_values.
642 (vt_finalize): Free preserved_values.
644 2010-03-08 Richard Guenther <rguenther@suse.de>
646 PR tree-optimization/43269
647 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
650 2010-03-08 Martin Jambor <mjambor@suse.cz>
652 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
653 (ipa_is_param_called): Removed.
654 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
655 (ipa_print_node_params): Do not print the called flag.
656 (ipa_write_node_info): Do not stream the called flag.
657 (ipa_read_node_info): Likewise.
659 2010-03-07 Jakub Jelinek <jakub@redhat.com>
662 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
663 * cselib.c (struct expand_value_data): Add dummy field.
664 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
666 (cselib_dummy_expand_value_rtx_cb): New function.
667 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
669 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
670 * var-tracking.c: Include pointer-set.h.
671 (variable): Change n_var_parts to char from int. Add
672 cur_loc_changed and in_changed_variables fields.
673 (variable_canonicalize): Remove.
674 (shared_var_p): New inline function.
675 (unshare_variable): Maintain cur_loc_changed and
676 in_changed_variables fields. If var was in changed_variables,
677 replace it there with new_var. Just copy cur_loc instead of
678 resetting it to something else.
679 (variable_union): Don't recompute cur_loc. Use shared_var_p.
680 (dataflow_set_union): Don't call variable_canonicalize.
681 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
682 of their DEBUG_EXPR_TREE_DECLs.
683 (canonicalize_loc_order_check): Verify that cur_loc is NULL
684 and in_changed_variables and cur_loc_changed is false.
685 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
686 and cur_loc_changed. Don't update cur_loc here.
687 (variable_merge_over_src): Don't call variable_canonicalize.
688 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
689 removing loc that is equal to cur_loc, clear cur_loc,
690 set cur_loc_changed and ensure variable_was_changed is called.
691 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
692 compare pointers in cur_loc check, if it is equal to loc,
693 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
694 (variable_different_p): Remove compare_current_location argument,
695 don't compare cur_loc.
696 (dataflow_set_different_1): Adjust variable_different_p caller.
697 (variable_was_changed): If dv had some var in changed_variables
698 already, reset in_changed_variables flag for it and propagate
699 cur_loc_changed over to the new variable. On empty var
700 always set cur_loc_changed. Set in_changed_variables on whatever
701 var is added to changed_variables.
702 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
703 Use shared_var_p. When removing loc that is equal to cur_loc,
704 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
705 end, don't set it to something else, just call variable_was_changed.
706 (delete_slot_part): Use shared_var_p. When cur_loc equals to
707 loc being removed, clear cur_loc and set cur_loc_changed.
708 Set cur_loc_changed if all locations have been removed.
709 (struct expand_loc_callback_data): New type.
710 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
711 allocated. Always create SUBREGs if simplify_subreg failed.
712 Prefer to use cur_loc, when that fails and still in
713 changed_variables (and seen first time) recompute it. Set
714 cur_loc_changed of variables which had to change cur_loc and
715 compute elcd->cur_loc_changed if any of the subexpressions used
716 had to change cur_loc.
717 (vt_expand_loc): Adjust to pass arguments in
718 expand_loc_callback_data structure.
719 (vt_expand_loc_dummy): New function.
720 (emitted_notes): New variable.
721 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
722 that weren't used for any other decl in current
723 emit_notes_for_changes call call vt_expand_loc_dummy to update
724 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
725 first loc_chain location if NULL before. Always use just
726 cur_loc instead of first loc_chain location. When cur_loc_changed
727 is false, when not --enable-checking=rtl just don't emit any note.
728 When rtl checking, compute the note and assert it is the same
729 as previous note. Clear cur_loc_changed and in_changed_variables
730 at the end before removing from changed_variables.
731 (check_changed_vars_3): New function.
732 (emit_notes_for_changes): Traverse changed_vars to call
733 check_changed_vars_3 on each changed var.
734 (emit_notes_for_differences_1): Clear cur_loc_changed and
735 in_changed_variables. Recompute cur_loc of new_var.
736 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
737 (vt_emit_notes): Initialize and destroy emitted_notes.
739 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
741 PR rtl-optimization/42220
742 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
743 Use verify_reg_tracked to determine if we should use OP_OUT rather
745 (build_def_use): If we see an in-out operand for a register that we
746 know nothing about, treat is an output if possible, fail the block if
749 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
752 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
755 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
758 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
759 uses of relevant DEFs that are dead outside the loop too.
761 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
763 * var-tracking.c (dataflow_set_merge): Swap src and src2.
765 2010-01-13 Jakub Jelinek <jakub@redhat.com>
767 * var-tracking.c (values_to_unmark): New variable.
768 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
769 values_to_unmark vector. Moved body to...
770 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
771 instead queue it into values_to_unmark vector.
772 (vt_find_locations): Free values_to_unmark vector.
774 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
776 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
777 (site.exp): Export them when plugins are enabled.
779 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
782 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
784 (chrec_fold_multiply): Same.
786 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
789 * c-decl.c (build_compound_literal): Return early if init is
792 2010-03-04 Martin Jambor <mjambor@suse.cz>
794 PR tree-optimization/43164
795 PR tree-optimization/43191
796 * tree-sra.c (type_consists_of_records_p): Reject records with
797 zero-size bit-fields at the end.
799 2010-03-04 Mike Stump <mikestump@comcast.net>
801 * Makefile.in (TAGS): Remove *.y.
803 2010-03-04 Richard Guenther <rguenther@suse.de>
805 PR tree-optimization/40761
806 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
808 (my_rev_post_order_compute): New function.
811 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
814 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
815 decrease the cost of an IV candidate when the cost is infinite.
817 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
819 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
820 Use '3DNow!' for the extension of that name, ensure normal space
822 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
824 2010-03-03 Jeff Law <law@redhat.com>
826 * PR middle-end/32693
827 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
829 (extract_bit_field_1): Likewise.
831 2010-03-03 Janis Johnson <janis187@us.ibm.com>
833 * doc/sourcebuild.texi (Test directives): Document that arguments
834 include-opts and exclude-opts are now optional for dg-skip-if,
835 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
837 2010-03-03 Jason Merrill <jason@redhat.com>
840 * cgraph.h (varpool_node): Add extra_name field.
841 * varpool.c (varpool_extra_name_alias): New.
842 (varpool_assemble_decl): Emit extra name aliases.
843 (varpool_mark_needed_node): Look past an extra name alias.
844 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
845 * lto-streamer-in.c (lto_input_tree): Read it.
846 * lto-streamer-out.c (output_unreferenced_globals): Write it.
848 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
850 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
851 (sparc*-*-solaris2*): ...this.
853 2010-03-03 Jakub Jelinek <jakub@redhat.com>
856 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
857 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
858 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
859 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
862 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
863 fallthrough to default handling, just with want_address 0 instead of 2.
864 For single element lists, add_AT_loc directly, otherwise create an
865 artificial variable DIE and stick location list to it.
868 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
869 (VAL_EXPR_HAS_REVERSE): Define.
870 (reverse_op): New function.
871 (add_stores): For reversible operations add an extra MO_VAL_USE.
873 2010-03-02 Jason Merrill <jason@redhat.com>
875 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
877 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
879 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
880 (sparc64-*-linux*): Likewise.
881 (sparc64-*-solaris2*): Include assembler files before linker ones.
882 (sparc-*-solaris2*): Simplify and reorder to match previous case.
883 * config/sparc/gas.h: Delete.
884 * config/sparc/sol2-64.h: Add copyright notice.
885 * config/sparc/sol2-gas-bi.h: Likewise.
886 * config/sparc/sol2-gld.h: Likewise.
887 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
888 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
889 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
890 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
891 (sparc_elf_asm_named_section): Rename into...
892 (sparc_solaris_elf_asm_named_section): ...this. Always define.
894 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
896 * config/alpha/alpha.c (override_options): Fix -mtune error message.
898 2010-03-02 Jeff Law <law@redhat.com>
901 * reload1.c (rtx_p, substitute_stack): Declare.
902 (substitute): Record addresses of changed rtxs.
903 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
904 Restore the original rtx when complete.
905 (reload): Free subsitute_stack when complete.
907 2010-03-02 Janis Johnson <janis187@us.ibm.com>
909 * doc/gccint.texi (menu): Add Testsuites as a chapter.
910 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
912 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
913 LTO Testing, gcov Testing, profopt Testing, compat Testing,
914 Torture Tests): Change from subsection to section.
916 2010-03-02 Jakub Jelinek <jakub@redhat.com>
917 Steven Bosscher <steven@gcc.gnu.org>
919 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
922 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
925 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
926 the assignment from the new induction variable to the assignment
927 of the value from the original loop PHI function.
929 2010-03-01 Janis Johnson <janis187@us.ibm.com>
930 Daniel Jacobowitz <dan@codesourcery.com>
932 * doc/sourcebuild.texi (Test directives): Clarify options to
935 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
937 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
938 Disable cfi directives unless GCC and gas agree on using read-only
939 .eh_frame sections for 64-bit.
940 * configure: Regenerate.
942 2010-03-01 Richard Guenther <rguenther@suse.de>
944 PR tree-optimization/43220
945 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
946 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
948 2010-03-01 Richard Guenther <rguenther@suse.de>
949 Martin Jambor <mjambor@suse.cz>
952 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
953 gimplified parameters.
955 2010-03-01 Christian Bruel <christian.bruel@st.com>
957 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
959 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
961 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
963 2010-03-01 Richard Guenther <rguenther@suse.de>
966 * expr.c (expand_assignment): Use the alias-oracle to tell
967 if the rhs aliases the result decl.
969 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
972 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
973 to sol_gt_pch_get_address.
974 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
975 64-bit, SPARC and x86.
976 (sol_gt_pch_get_address): New function.
978 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
980 * toplev.h (inform_n, error_n): Declare.
981 * diagnostic.c (inform_n, error_n): New function.
983 2010-03-01 Jakub Jelinek <jakub@redhat.com>
985 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
986 has no rtl yet when processing local_decls, queue it and recheck
987 if deferred stack allocation hasn't assigned it rtl.
989 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
991 * config/sh/sh.c (unspec_bbr_uid): New.
992 (gen_block_redirect): Use it instead of INSN_UID.
993 (gen_far_branch): Likewise.
995 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
997 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
998 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
1000 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1002 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
1003 (Warning Options): -Wno-conversion-null is valid for
1004 Objective-C++ as well.
1005 * doc/tm.texi (Named Address Spaces): Likewise.
1006 * doc/plugins.texi (Plugins): Replace TABs with spaces.
1007 * doc/tree-ssa.texi (Tree SSA): Likewise.
1009 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
1012 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
1013 by default. Don't set the default arch for
1014 i[34567]86-*-darwin*|x86_64-*-darwin*.
1016 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
1019 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
1020 default. Set the default 32bit/64bit archs with $with_arch
1021 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
1023 2010-02-27 Richard Guenther <rguenther@suse.de>
1025 PR tree-optimization/43186
1026 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
1027 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
1028 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
1029 unroller iterations.
1031 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
1033 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
1034 required and i[34567]86-*-* targets don't support 64bit ISA.
1036 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
1039 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
1042 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
1044 * config.gcc: Set the default arch at least to Prescott for
1045 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
1046 if SSE math is enabled.
1048 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
1050 * diagnostic.c (diagnostic_initialize): Update.
1051 (diagnostic_report_diagnostic): Test inhibit_notes_p for
1053 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
1054 (diagnostic_inhibit_notes): New.
1055 * toplev.c (process_options): inhibit notes with -fcompare-debug.
1057 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
1060 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
1061 * doc/standards.texi: Likewise.
1062 * doc/extend.texi: Likewise.
1063 * doc/trouble.texi: Likewise.
1064 * doc/cppopts.texi: Likewise.
1065 * doc/install.texi: Likewise.
1066 * c.opt (std=c90,std=gnu90): New options.
1067 * c-opts.c (c_common_handle_option): Handle them.
1069 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
1072 * c-decl.c (undeclared_variable): Use an informative note.
1074 2010-02-26 Richard Guenther <rguenther@suse.de>
1076 PR tree-optimization/43186
1077 * gimple.h (gimple_fold): Remove.
1078 * gimple.c (gimple_fold): Remove. Inline into single user ...
1079 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
1080 Try harder for conditions.
1082 2010-02-26 Jakub Jelinek <jakub@redhat.com>
1085 * function.c (used_types_insert): Don't skip through named pointer
1086 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
1087 and it is different from the main variant's type.
1089 2010-02-26 Nick Clifton <nickc@redhat.com>
1091 * config/rx/rx.md (sminsi3): Remove bogus alternative.
1093 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
1095 * config.gcc: Support --with-fpmath=sse for x86.
1097 * config/i386/ssemath.h: New.
1099 * doc/install.texi (--with-fpmath=sse): Documented.
1101 2010-02-26 Richard Guenther <rguenther@suse.de>
1103 PR tree-optimization/43188
1104 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
1105 vector types of over-aligned element type.
1107 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
1110 * config/i386/i386.c (expand_vec_perm_blend): Use correct
1111 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
1113 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
1115 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
1117 2010-02-26 Jakub Jelinek <jakub@redhat.com>
1119 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
1120 * var-tracking.c: Include diagnostic.h.
1121 (debug_dv): New function.
1122 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
1125 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
1126 (add_value_chain, add_value_chains, remove_value_chain,
1127 remove_value_chains): Handle DEBUG_EXPRs.
1128 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
1131 * regcprop.c (struct queued_debug_insn_change): New type.
1132 (struct value_data_entry): Add debug_insn_changes field.
1133 (struct value_data): Add n_debug_insn_changes field.
1134 (debug_insn_changes_pool): New variable.
1135 (free_debug_insn_changes, apply_debug_insn_changes,
1136 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
1137 (kill_value_one_regno): Call free_debug_insn_changes if needed.
1138 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
1140 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
1142 (copyprop_hardreg_forward_1): Don't call apply_change_group for
1143 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
1144 changes, call cprop_find_used_regs via note_stores.
1145 (copyprop_hardreg_forward): When copying vd from predecessor
1146 which has any queued DEBUG_INSN changes, make sure the pointers are
1147 cleared. At the end call df_analyze and then if there are any
1148 DEBUG_INSN changes queued at the end of some basic block for still
1149 live registers, apply them.
1150 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
1152 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
1154 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
1157 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
1159 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
1160 targets. Set the default with_cpu/with_arch from arch/cpu.
1161 Allow x86-64 and native for with_cpu/with_arch.
1163 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
1165 * ebitmap.c: Change calls to verify_popcount with calls to
1166 sbitmap_verify_popcount.
1167 (ebitmap_clear_bit): Fixed map->cacheindex test and
1168 map>cache update when bit clearing results in an empty
1171 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
1174 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
1175 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
1176 and support both V2DF and V2DI modes.
1177 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
1178 support both V2DF and V2DI modes.
1179 (general): Delete trailing whitespace from a few patterns.
1181 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
1182 V2DF/V2DI interleave high/low builtins.
1184 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
1187 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
1188 interleave high/low functions.
1190 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
1192 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
1193 #pragma extern_prefix.
1195 2010-02-25 Jakub Jelinek <jakub@redhat.com>
1198 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
1199 BLKmode, assert op0 is a MEM and just adjust its mode.
1202 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
1203 if bitpos isn't multiple of mode's bitsize.
1205 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
1207 * c.opt (-ftemplate-depth=): New.
1208 (-ftemplate-depth-): Deprecate.
1209 * optc-gen.awk: Handle -ftemplate-depth=.
1210 * opth-gen.awk: Likewise.
1211 * c-opts.c (c_common_handle_option): Likewise.
1212 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
1214 2010-02-24 Jason Merrill <jason@redhat.com>
1216 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
1218 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1220 * cfg.c (alloc_aux_for_block): Remove inline.
1221 (alloc_aux_for_edge): Likewise.
1223 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1225 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
1227 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1229 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
1230 * config/i386/sol2-gas.h: New file.
1231 * config.gcc (i[34567]86-*-solaris2*): Use it.
1233 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
1236 * c-typeck.c (ep_convert_and_check): New.
1237 (build_conditional_expr): Use it.
1238 (build_binary_op): Likewise.
1240 2010-02-24 Jakub Jelinek <jakub@redhat.com>
1242 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
1245 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
1246 bounds even for -O+.
1247 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
1248 expr needs to have DECL_NAME set.
1250 2010-02-24 Nick Clifton <nickc@redhat.com>
1252 * config/mep/mep.c: Include gimple.h.
1253 (mep_function_uses_sp): Delete unused function.
1254 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
1255 parameters. Use unsigned integers to count args. Return a
1256 NULL_RTX instead of an error_mark_node. Toidy up formatting.
1258 2010-02-23 Jakub Jelinek <jakub@redhat.com>
1261 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
1262 greater or equal to nelt instead of 2 * nelt.
1263 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
1266 2010-02-23 Jason Merrill <jason@redhat.com>
1269 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
1270 in cfun->local_decls even if they have register types.
1273 * stor-layout.c (place_field): Don't warn about unnecessary
1274 DECL_PACKED if the type is packed.
1276 2010-02-23 Jakub Jelinek <jakub@redhat.com>
1279 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
1280 GOTOFF relocs, even when the base reg isn't pic pointer.
1282 2010-02-23 Michael Matz <matz@suse.de>
1285 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
1286 (expand_gimple_basic_block): Generate and use debug temps if there
1287 are debug uses left after the last real use of TERed ssa names.
1288 Unlink debug immediate uses when they are expanded.
1290 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
1293 * config/i386/i386.c (override_options): Reorganise to provide
1294 better error messages.
1296 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
1299 * graphite-scop-detection.c (create_single_exit_edge): Move
1300 the call to find_single_exit_edge to....
1301 (create_sese_edges): ...here. Don't handle multiple edges
1302 exiting the function.
1303 (build_graphite_scops): Don't handle multiple edges
1304 exiting the function.
1306 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
1309 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
1310 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
1312 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
1315 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
1317 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
1320 * c-typeck.c (convert_arguments): Print declaration location.
1321 * c-common.c (validate_nargs): Rename as
1322 builtin_function_validate_nargs.
1323 (check_builtin_function_arguments): Update.
1325 2010-02-22 Richard Guenther <rguenther@suse.de>
1328 * tree-inline.c (declare_return_variable): Use the type of
1329 the call stmt lhs if available.
1331 2010-02-22 Duncan Sands <baldrick@free.fr>
1333 * passes.c (register_pass): Always consider all pass lists when
1334 ref_pass_instance_number is zero.
1336 2010-02-22 Richard Guenther <rguenther@suse.de>
1338 PR tree-optimization/42749
1339 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
1340 parameter. Do arithmetic in the original type.
1341 (update_accumulator_with_ops): Likewise.
1342 (adjust_accumulator_values): Adjust.
1344 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1346 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
1347 (QI to BLKmode splitter): New splitter.
1349 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
1351 * config/i386/i386.c (initial_ix86_tune_features): Turn on
1352 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
1354 2010-02-22 Richard Guenther <rguenther@suse.de>
1356 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
1358 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
1360 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
1361 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
1362 ($(T)crti.o, $(T)crtn.o): Remove rules.
1364 2010-02-21 Tobias Burnus <burnus@net-b.de>
1367 * doc/invoke.texi (-fassociative-math): Document that this
1368 option is automatically enabled for Fortran.
1370 2010-02-20 David S. Miller <davem@davemloft.net>
1372 * configure.ac: Test if linker and assembler properly support
1373 GOTDATA_OP relocations.
1374 * configure: Rebuild.
1375 * config.in: Likewise.
1376 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
1377 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
1378 (movsi_high_pic): Likewise.
1379 (movdi_lo_sum_pic): Likewise.
1380 (movdi_high_pic): Likewise.
1381 (movsi_pic_gotdata_op): New pattern.
1382 (movdi_pic_gotdata_op): Likewise.
1383 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
1384 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
1386 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
1389 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
1390 attribute to ssemul.
1391 (xop_mulv2div2di3_high): Ditto.
1393 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
1396 * c.opt (Wconversion-null): New option.
1397 * doc/invoke.texi (Wconversion-null): Document.
1399 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
1401 * common.opt (Wlarger-than-): Add Undocumented.
1403 2010-02-19 Mike Stump <mikestump@comcast.net>
1405 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
1407 2010-02-19 Jason Merrill <jason@redhat.com>
1410 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
1411 * configure: Likewise.
1413 2010-02-20 Alan Modra <amodra@gmail.com>
1416 * cgraph.h (cgraph_make_decl_local): Declare.
1417 * cgraph.c (cgraph_make_decl_local): New function.
1418 (cgraph_make_node_local): Use it.
1419 * cgraphunit.c (cgraph_function_versioning): Likewise.
1420 * ipa.c (function_and_variable_visibility): Likewise.
1422 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1425 * except.c (sjlj_emit_function_enter): Don't call
1426 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
1428 * rtl.h (add_reg_br_prob_note): Remove prototype.
1430 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
1433 * c-common.c (conversion_warning): Remove widening conversions
1434 before checking the conversion of integers to reals.
1436 2010-02-19 Mike Stump <mikestump@comcast.net>
1439 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
1442 * cgraphunit.c (process_function_and_variable_attributes): Check
1443 DECL_PRESERVE_P instead of looking up attribute "used".
1444 * ipa-pure-const.c (check_decl): Likewise.
1445 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
1446 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
1447 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
1448 instead of attribute "used".
1449 * config/sol2-c.c (solaris_pragma_init): Likewise.
1450 (solaris_pragma_fini): Likewise.
1452 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1454 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
1455 Use XCNEW instead of xcalloc.
1456 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
1457 XNEW instead of xmalloc.
1458 (get_fields): Use XNEWVEC instead of xmalloc.
1461 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
1462 populate vars array.
1463 (create_new_general_access): For debug stmts just reset value.
1464 (get_stmt_accesses): For accesses within debug stmts just record them
1465 using add_access_to_acc_sites instead of preventing the peeling or
1466 counting them as accesses.
1469 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
1471 2010-02-19 Richard Guenther <rguenther@suse.de>
1473 PR tree-optimization/42916
1474 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
1477 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
1479 * configure.ac: Replace all uses of changequote in macro arguments
1480 with proper quoting.
1482 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1485 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
1487 2010-02-19 Richard Guenther <rguenther@suse.de>
1489 PR tree-optimization/42944
1490 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
1491 test for aliasing with errno.
1493 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1496 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
1497 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
1498 * dojump.c: Include output.h.
1499 (inv): New inline function.
1500 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
1501 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
1502 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
1503 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
1504 argument, pass it down to other calls.
1505 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
1506 add REG_BR_PROB note to the conditional jump.
1507 * cfgexpand.c (add_reg_br_prob_note): Removed.
1508 (expand_gimple_cond): Don't call it, add the probability
1509 as last argument to jumpif_1/jumpifnot_1.
1510 * Makefile.in (dojump.o): Depend on output.h.
1511 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
1513 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
1514 * stmt.c (do_jump_if_equal): Likewise.
1515 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
1516 * loop-unswitch.c (compare_and_jump_seq): Likewise.
1517 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
1519 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
1520 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
1521 jumpifnot_1 callers.
1522 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
1524 (store_expr): Adjust jumpifnot caller.
1525 (store_constructor): Adjust jumpif caller.
1528 * gimplify.c (gimple_boolify): For __builtin_expect call
1529 gimple_boolify also on its first argument.
1531 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
1533 * configure.ac (gnu-unique-object): Wrap regexps using [] in
1535 (__stack_chk_fail): Ditto. Remove quadrigraphs.
1536 * configure: Regenerated.
1538 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1540 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
1541 lang_hooks.types_compatible_p instead of comptypes.
1543 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
1545 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
1546 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
1547 if __prefer_thumb__ is defined.
1549 2010-02-18 Martin Jambor <mjambor@suse.cz>
1551 PR tree-optimization/43066
1552 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
1553 array with zero-sized element type.
1555 2010-02-18 Jakub Jelinek <jakub@redhat.com>
1557 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
1558 rtx, allocate struct var_loc_node here and return it to the
1559 caller, and only if it is actually needed.
1560 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
1561 move it earlier and return immediately if it returns NULL.
1563 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
1565 * config/sparc/gas.h: New file. Restore
1566 TARGET_ASM_NAMED_SECTION to its ELF default.
1567 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
1569 * config/sparc/sparc.c (sparc_elf_asm_named_section):
1570 Likewise. Add ATTRIBUTE_UNUSED to prototype.
1571 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
1572 after sparc/sysv4.h.
1574 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
1576 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
1578 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
1580 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
1581 patterns from predicated pattern.
1583 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
1586 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
1587 for insn mnemonic suffix.
1589 2010-02-17 Richard Guenther <rguenther@suse.de>
1591 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
1594 2010-02-17 Jakub Jelinek <jakub@redhat.com>
1597 * caller-save.c (save_call_clobbered_regs): If BB ends with
1598 a DEBUG_INSN, move any notes in between last real insn and the last
1599 DEBUG_INSN after the last DEBUG_INSN.
1601 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
1603 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
1604 Fix return type. Fix argument type. Explain meaning of return value.
1606 2010-02-16 Richard Guenther <rguenther@suse.de>
1608 PR tree-optimization/41043
1609 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
1610 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
1612 (vrp_visit_phi_node): ... but only for loop PHI nodes.
1614 2010-02-16 Ira Rosen <irar@il.ibm.com>
1616 PR tree-optimization/43074
1617 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
1618 * tree-vect-loop.c (vect_analyze_loop_operations): Add
1619 vectorizable cycles in hybrid SLP check.
1620 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
1622 2010-02-16 Richard Guenther <rguenther@suse.de>
1624 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
1625 (true_dependence): If memrefs_conflict_p computes must-alias
1626 trust it. Move TBAA check after offset-based disambiguation.
1627 (canon_true_dependence): Likewise.
1629 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
1631 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
1632 * doc/invoke.texi: Document it.
1633 * var-tracking.c: Include toplev.h and params.h.
1634 (vt_find_locations): Return bool indicating success. Compute
1635 hash sizes unconditionally. Check new parameter, report.
1636 (variable_tracking_main_1): Check vt_find_locations results and
1637 retry. Renamed from...
1638 (variable_tracking_main): ... this. New wrapper to preserve
1639 flag_var_tracking_assignments.
1640 * Makefile.in (var-tracking.o): Adjust dependencies.
1642 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
1643 Jakub Jelinek <jakub@redhat.com>
1646 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
1647 if weak_import attribute is present.
1648 * config/darwin.c (machopic_select_section): Likewise.
1650 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
1652 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
1653 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
1654 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
1655 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
1657 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument types.
1659 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
1662 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
1663 Rewrite text to refer to the names.
1665 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
1667 * config/i386/i386-builtin-types.def
1668 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
1669 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
1670 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
1671 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
1672 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
1673 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
1674 IX86_BUILTIN_VPERMIL2PS256.
1675 (MULTI_ARG_4_DF2_DI_I): Defined.
1676 (MULTI_ARG_4_DF2_DI_I1): Defined.
1677 (MULTI_ARG_4_SF2_SI_I): Defined.
1678 (MULTI_ARG_4_SF2_SI_I1): Defined.
1679 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
1680 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
1681 __builtin_ia32_vpermil2ps256.
1682 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
1683 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
1684 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
1685 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
1686 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
1687 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
1688 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
1689 CODE_FOR_xop_vpermil2v8sf3.
1690 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
1691 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
1692 * config/i386/xopintrin.h (_mm_permute2_pd): New.
1693 (_mm256_permute2_pd): New.
1694 (_mm_permute2_ps): New.
1695 (_mm256_permute2_ps): New.
1697 2010-02-15 Nick Clifton <nickc@redhat.com>
1699 * config/h8300/h8300.c: (h8300_push_pop): Use bool type for
1700 boolean parameters. Use emit_jump_insn when emitting a pop
1701 instruction containing a return insn.
1702 (push): Use 'true' rather than '1' as second parameter to F.
1703 (h8300_expand_prologue): Likewise.
1704 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
1705 (h8300_expand_epilogue): Likewise.
1707 2010-02-15 Richard Guenther <rguenther@suse.de>
1710 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
1713 2010-02-15 Nick Clifton <nickc@redhat.com>
1715 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
1718 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
1720 * intl.c (fake_ngettext): New function.
1721 * intl.h (fake_ngettext): Declare.
1722 (ngettext): Define macro.
1723 * collect2.c (notice_translated): New function.
1724 (main): Use notice_translated and ngettext.
1725 * collect2.h (notice_translated): Declare.
1727 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
1729 * reorg.c (delete_computation): Comment fixes.
1730 * caller-save.c (setup_save_areas): Idem.
1731 * sel-sched-dump.c (dump_lv_set): Idem.
1734 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1736 * config/s390/s390.c (s390_sched_init): New function.
1737 (TARGET_SCHED_INIT): Target hook defined.
1739 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
1740 Jack Howarth <howarth@bromo.med.uc.edu>
1741 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1744 Partial revert of unintended change in fix for PR41605.
1745 * config/darwin.h: Fix typo.
1746 * config/darwin9.h: Same.
1748 2010-02-11 Jakub Jelinek <jakub@redhat.com>
1750 * c-pch.c (pch_init): Clear v.
1752 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
1755 * graphite-scop-detection.c (graphite_can_represent_scev): Call
1756 graphite_can_represent_init for MULT_EXPR.
1758 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
1762 * graphite-sese-to-poly.c (remove_phi): New.
1763 (translate_scalar_reduction_to_array): Call remove_phi.
1765 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
1768 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
1769 * graphite-clast-to-gimple.h (gloog): Update declaration.
1770 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
1771 * graphite-poly.h (struct poly_bb): Add missing comments.
1772 (struct scop): Add poly_scop_p field.
1774 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
1775 * graphite.c (graphite_transform_loops): Build the polyhedral
1776 representation for each scop before code generation.
1777 * sese.c (rename_variables_in_operand): Removed.
1778 (rename_variables_in_expr): Return the renamed expression.
1779 (rename_sese_parameters): New.
1780 * sese.h (rename_sese_parameters): Declared.
1782 2010-02-11 Richard Guenther <rguenther@suse.de>
1784 PR tree-optimization/42998
1785 * tree-ssa-pre.c (create_expression_by_pieces): Treat
1786 POINTER_PLUS_EXPR properly.
1788 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
1789 Changpeng Fang <changpeng.fang@amd.com>
1792 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
1793 the cost of an IV candidate when the IV is used in a test against zero.
1795 * gcc.dg/tree-ssa/ivopts-3.c: New.
1797 2010-02-11 Richard Guenther <rguenther@suse.de>
1800 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
1801 pointer-vs-decl case by swapping refs. Handle some cases
1802 of pointer-vs-decl disambiguations more conservatively.
1803 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
1804 to false after expanding.
1806 2010-02-11 Richard Guenther <rguenther@suse.de>
1809 * gcc.c (process_command): Handle LTO file@offset case more
1812 2010-02-11 Jakub Jelinek <jakub@redhat.com>
1814 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
1815 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
1817 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
1819 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
1820 if MEM's mode size isn't DWARF2_ADDR_SIZE.
1821 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
1822 Optimize eq/ne comparisons when both arguments are known to be
1824 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
1825 Don't mask operands unnecessarily if they are known to be already
1828 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
1830 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
1833 2010-02-10 Richard Guenther <rguenther@suse.de>
1835 PR tree-optimization/43017
1836 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
1837 for wrapping signed arithmetic.
1839 2010-02-10 Jakub Jelinek <jakub@redhat.com>
1842 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
1843 if no debug info should be emitted for it.
1845 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
1847 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
1848 note when flag_exceptions is set.
1850 2010-02-10 Duncan Sands <baldrick@free.fr>
1852 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
1854 2010-02-10 Richard Guenther <rguenther@suse.de>
1857 * tree.c (get_unwidened): Handle constants.
1858 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
1860 2010-02-10 Martin Jambor <mjambor@suse.cz>
1863 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
1864 check for variable argument counts independently.
1866 2010-02-10 Christian Bruel <christian.bruel@st.com>
1869 * config/sh/sh.c (find_barrier): Increase length for non delayed
1870 conditional branches.
1872 2010-02-10 Christian Bruel <christian.bruel@st.com>
1874 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
1876 2010-02-10 Jakub Jelinek <jakub@redhat.com>
1878 * builtins.c (set_builtin_user_assembler_name): Also handle
1879 ffs if int is smaller than word.
1881 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
1884 * ira-conflicts.c (get_dup): Remove.
1885 (process_reg_shuffles): Add new parameter. Use it as an
1886 additional guard for copy generation.
1887 (add_insn_allocno_copies): Rewrite.
1889 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
1891 * common.opt (fsched2-use-traces): Preserved for backward
1893 * doc/invoke.texi: Remove the documentation about option
1894 -fsched2-use-traces.
1895 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
1896 flag_sched2_use_traces.
1897 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
1898 the backward compatibility flag section.
1900 2010-02-09 Richard Guenther <rguenther@suse.de>
1902 PR tree-optimization/43008
1903 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
1904 make HEAP variables initialized from global memory if they
1905 are not known builtin functions.
1906 (find_func_aliases): Adjust.
1908 2010-02-09 Richard Guenther <rguenther@suse.de>
1910 PR tree-optimization/43000
1911 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
1912 arithmetic manually.
1914 2010-02-08 Jakub Jelinek <jakub@redhat.com>
1916 PR tree-optimization/42931
1917 * tree-loop-linear.c (try_interchange_loops): Don't call
1918 double_int_mul if estimated_loop_iterations failed.
1920 2010-02-08 Martin Jambor <mjambor@suse.cz>
1923 * tree-sra.c (build_accesses_from_assign): Do not mark in
1924 should_scalarize_away_bitmap if stmt has volatile ops.
1925 (sra_modify_assign): Do not process assigns piecemeal if if stmt
1928 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
1930 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
1932 2010-02-07 Adam Nemet <adambnmet@gmail.com>
1934 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
1937 2010-02-07 Andrew Pinski <pinskia@gmail.com>
1940 * df-core.c (df_finish_pass): Change type of saved_flags to int.
1942 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
1945 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
1946 to unknown_dependence.
1947 (graphite_legal_transform_dr): Handle the unknown_dependence.
1948 (graphite_carried_dependence_level_k): Same.
1950 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
1952 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
1954 2010-02-07 Richard Guenther <rguenther@suse.de>
1957 * expr.c (get_inner_reference): Always initialize *pbitsize.
1959 2010-02-07 Richard Guenther <rguenther@suse.de>
1962 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
1963 new ARRAY_REFs on variable size element or minimal index arrays.
1965 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
1966 gimple_fold_indirect_ref.
1968 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
1971 * arm.c (arm_override_options): Just return if the user has specified
1972 an invalid fpu name.
1974 2010-02-03 Jason Merrill <jason@redhat.com>
1977 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
1978 i386_pe_maybe_record_exported_symbol.
1980 2010-02-05 Steve Ellcey <sje@cup.hp.com>
1983 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
1984 (pa_delegitimize_address): New function.
1986 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
1988 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
1989 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
1991 2010-02-05 Richard Guenther <rguenther@suse.de>
1994 * lto-streamer-in.c (get_resolution): Deal with references
1995 to undefined functions.
1997 2010-02-05 Richard Guenther <rguenther@suse.de>
1999 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
2000 (fold_const_aggregate_ref): Likewise.
2001 (ccp_fold_stmt): Substitute loads.
2002 (maybe_fold_reference): Verify types before substituting.
2004 (fold_gimple_assign): Unshare properly.
2005 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
2007 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
2009 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
2010 for rs6000_gen_cell_microcode.
2012 2010-02-04 Richard Guenther <rguenther@suse.de>
2014 PR rtl-optimization/42952
2015 * dse.c (const_or_frame_p): Remove MEM handling.
2017 2010-02-04 Nick Clifton <nickc@redhat.com>
2019 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
2020 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
2021 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
2022 (mn10300_asm_output_mi_thunk): New function.
2023 (mn10300_can_output_mu_thunk): New function.
2024 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
2025 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
2026 (FUNCTION_ARG): Delete incorrect comment.
2028 2010-02-03 Jason Merrill <jason@redhat.com>
2031 * fold-const.c (operand_equal_p): Handle erroneous types.
2033 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
2035 * config/h8300/h8300.md (can_delay): Fix attibute condition.
2037 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
2039 PR rtl-optimization/42941
2040 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
2043 2010-02-03 Jason Merrill <jason@redhat.com>
2046 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
2048 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
2051 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
2052 (cselib_reset_table): Renamed from...
2053 (cselib_reset_table_with_next_value): ... this.
2054 (cselib_get_next_uid): Renamed from...
2055 (cselib_get_next_unknown_value): ... this.
2056 * cselib.c (next_uid): Renamed from...
2057 (next_unknown_value): ... this.
2058 (cselib_clear_table): Adjust.
2059 (cselib_reset_table): Adjust. Renamed from...
2060 (cselib_reset_table_with_next_value): ... this.
2061 (cselib_get_next_uid): Adjust. Renamed from...
2062 (cselib_get_next_unknown_value): ... this.
2063 (get_value_hash): Use hash.
2064 (cselib_hash_rtx): Likewise.
2065 (new_cselib_val): Adjust. Set and dump uid.
2066 (cselib_lookup_mem): Pass next_uid as hash.
2067 (cselib_subst_to_values): Likewise.
2068 (cselib_log_lookup): Dump uid.
2069 (cselib_lookup): Pass next_uid as hash. Adjust.
2070 (cselib_process_insn): Adjust.
2071 (cselib_init): Initialize next_uid.
2072 (cselib_finish): Adjust.
2073 (dump_cselib_table): Likewise.
2074 * dse.c (canon_address): Dump value uid.
2075 * print-rtl.c (print_rtx): Print value uid.
2076 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
2078 (dv_uid): New function, sort of renamed from...
2079 (dv_htab_hash): ... this, reimplemented in terms of it and...
2080 (dv_uid2hash): ... this. New.
2081 (variable_htab_eq): Drop excess assertions.
2082 (tie_break_pointers): Removed.
2083 (canon_value_cmp): Compare uids.
2084 (variable_post_merge_New_vals): Print uids.
2085 (vt_add_function_parameters): Adjust.
2086 (vt_initialize): Reset table. Adjust.
2088 2010-02-03 Richard Guenther <rguenther@suse.de>
2090 PR tree-optimization/42944
2091 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
2092 (call_may_clobber_ref_p_1): Likewise. Properly handle
2093 malloc and calloc clobbering errno.
2095 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
2097 * doc/invoke.texi: Fix name of sched1 dump.
2099 * opts.c (decode_options): Set flag_tree_switch_conversion
2100 only conditionally on optimize >= 2.
2102 * gcse.c: Assorted comment fixes in pass description.
2104 2010-02-03 Anthony Green <green@moxielogic.com>
2106 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
2107 nop padding in order to maintain alignment of storage location of
2108 target function address.
2109 (moxie_trampoline_init): Store target function address at newly
2111 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
2113 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
2115 2010-02-03 Richard Guenther <rguenther@suse.de>
2118 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
2120 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2122 * config.gcc: Reenable check for obsolete targets.
2123 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
2124 mips-sgi-irix6.[0-4]*.
2126 2010-02-02 Nick Clifton <nickc@redhat.com>
2128 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
2129 constant size of 4 as being the same as 0.
2130 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
2131 can take values in the range 0..4.
2133 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
2136 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
2137 as _darwin10_Unwind_FindEnclosingFunction().
2138 * libgcc-libsystem.ver: New.
2140 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
2143 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
2144 implicitly set registers.
2146 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
2148 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
2149 (arm_override_options): Allow automatic selection of the thread
2150 pointer register if thumb2.
2151 (legitimize_pic_address): Improve code sequences for Thumb2.
2152 (arm_call_tls_get_addr): Likewise.
2153 (legitimize_tls_address): Likewise.
2154 * arm.md (pic_load_addr_arm): Delete. Replace with ...
2155 (pic_load_addr_32bit): ... this. New named pattern.
2156 * thumb2.md (pic_load_addr_thumb2): Delete.
2157 (pic_load_dot_plus_four): Delete.
2158 (tls_load_dot_plus_four): New named pattern.
2160 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2163 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
2164 Document fix for TLS bug.
2166 2010-01-31 Richard Guenther <rguenther@suse.de>
2168 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
2169 conservatively correct.
2171 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2175 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2177 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
2179 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2181 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
2183 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
2185 * config.gcc: Adjust order of makefile fragments for mingw targets.
2187 2010-01-31 Richard Guenther <rguenther@suse.de>
2190 * gimplify.c (gimplify_init_constructor): For volatile LHS
2191 initialize a temporary.
2193 2010-01-31 Matthias Klose <doko@ubuntu.com>
2195 * configure.ac: Fix __stack_chk_fail check for cross builds configured
2197 * configure: Regenerate.
2199 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
2201 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
2202 the same alias set and their sizes different constantness.
2203 (aliasing_component_refs_p): Revert 2009-10-24 change.
2205 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2207 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
2210 2010-01-29 Richard Guenther <rguenther@suse.de>
2212 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
2213 Assert we successfully updated the call.
2215 2010-01-29 Jakub Jelinek <jakub@redhat.com>
2217 PR rtl-optimization/42889
2218 * df.h (df_set_bb_dirty_nonlr): New prototype.
2219 * df-core.c (df_set_bb_dirty_nonlr): New function.
2220 * df-scan.c (df_insn_rescan): Call it instead of
2221 df_set_bb_dirty for DEBUG_INSNs.
2223 2010-01-29 Richard Guenther <rguenther@suse.de>
2226 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
2227 quadratic behavior in most cases.
2229 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
2232 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
2233 in the call to gen_x86_movsicc_0_m1.
2235 2010-01-28 Richard Guenther <rguenther@suse.de>
2237 PR tree-optimization/42871
2238 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
2240 2010-01-28 Richard Guenther <rguenther@suse.de>
2242 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
2243 into call arguments.
2245 2010-01-28 Richard Guenther <rguenther@suse.de>
2248 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
2249 the forwarder if the destination is an EH landing pad.
2251 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
2253 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
2254 block list passed to gimple_duplicate_sese_tail.
2255 (parallelize_loops): Avoid parallelization when the function
2257 Avoid parallelization when the preheader is IRREDUCIBLE.
2258 Try to optimize when estimated_loop_iterations_int is unresolved.
2259 Add the loop's location to the dump file.
2260 * tree-cfg.c (add_phi_args_after_redirect): Remove.
2261 (gimple_duplicate_sese_tail): Remove the check for the latch.
2262 Redirect nexits to the exit block.
2263 Remove handling of the incoming edges to the latch.
2264 Redirect the backedge from the copied latch to the exit bb.
2266 2010-01-28 Michael Matz <matz@suse.de>
2269 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
2270 Wrap force_reg into a sequence, emit it before user.
2272 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
2274 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
2276 (arm_legacy_rev): Likewise.
2277 (thumb_legacy_rev): Likewise.
2279 2010-01-27 Jakub Jelinek <jakub@redhat.com>
2281 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
2282 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
2283 on MEM's address failed, try avoid_constant_pool_reference and
2284 recurse if it returned something different.
2285 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
2286 address, try avoid_constant_pool_reference and recurse if it
2287 returned something different.
2288 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
2289 address and avoid_constant_pool_reference returned something
2290 different, don't set have_address.
2292 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
2295 * var-tracking.c (val_store): Add modified argument, obey it.
2297 (count_uses): Move down logging of main.
2298 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
2299 don't need resolution.
2300 (emit_notes_in_bb): Likewise.
2302 2010-01-27 Richard Guenther <rguenther@suse.de>
2305 * tree-inline.c (remap_decl): Delay remapping of SSA name
2306 default definitions until we need them.
2308 2010-01-27 Jakub Jelinek <jakub@redhat.com>
2310 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
2311 (rs6000_delegitimize_address): New function.
2313 * config/s390/s390.c (s390_delegitimize_address): Call
2314 delegitimize_mem_from_attrs.
2317 * tree-inline.c (cannot_copy_type_1): Removed.
2318 (copy_forbidden): Don't forbid copying of functions containing
2319 records/unions with variable length fields.
2321 2010-01-27 Christian Bruel <christian.bruel@st.com>
2325 * config/sh/sh.c (find_barrier): Increase length for non delayed
2326 conditional branches.
2328 2010-01-27 Matthias Klose <doko@ubuntu.com>
2330 * configure.ac (gnu-unique-object): Fix ldd version check.
2331 * configure: Regenerate.
2333 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2335 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
2337 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
2338 Test for HAVE_GNU_AS value.
2340 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2342 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
2343 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
2344 INT64_TYPE): Define.
2345 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
2346 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2347 INT_LEAST64_TYPE): Define.
2348 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
2349 UINT_LEAST64_TYPE): Define.
2350 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
2351 INT_FAST64_TYPE): Define.
2352 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2353 UINT_FAST64_TYPE): Define.
2354 (INTMAX_TYPE, UINTMAX_TYPE): Define.
2355 (INTPTR_TYPE, UINTPTR_TYPE): Define.
2356 (SIG_ATOMIC_TYPE): Define.
2358 2010-01-26 Richard Guenther <rguenther@suse.de>
2360 * df-scan.c (df_scan_set_bb_info): Remove assert.
2361 (df_insn_rescan_debug_internal): Merge asserts.
2362 (df_install_ref): Likewise.
2363 (df_mark_reg): Use bitmap_set_range.
2364 (df_hard_reg_used_p): Remove assert.
2365 (df_hard_reg_used_count): Likewise.
2367 2010-01-26 Richard Guenther <rguenther@suse.de>
2369 PR rtl-optimization/42685
2370 * web.c (web_main): Ignore DEBUG_INSNs.
2372 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
2374 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
2376 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
2377 Fix types of fndecl and arglist parameters.
2379 2010-01-26 Richard Guenther <rguenther@suse.de>
2382 * tree-eh.c (unsplit_eh): Skip debug insns.
2384 2010-01-26 Richard Guenther <rguenther@suse.de>
2386 PR tree-optimization/42250
2387 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
2389 2010-01-26 Jakub Jelinek <jakub@redhat.com>
2392 * omp-low.c (expand_omp_sections): Only use single_pred if
2393 l2_bb is single_pred_p.
2395 2010-01-25 Christian Bruel <christian.bruel@st.com>
2398 * config/sh/sh.c (find_barrier): Increase length for non delayed
2399 conditional branches.
2400 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
2402 2010-01-24 David S. Miller <davem@davemloft.net>
2404 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
2405 define if not using GAS.
2406 * config/sparc/sparc.c (sparc_elf_asm_named_section):
2407 Likewise. Delete SECTION_MERGE code, which is only applicable
2410 2010-01-24 Mark Mitchell <mark@codesourcery.com>
2413 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
2414 mangling of va_list in system headers.
2416 2010-01-23 Toon Moene <toon@moene.org>
2418 * tree-predcom.c (combine_chains): Return NULL, not false.
2420 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
2422 * tree-loop-distribution.c (distribute_loop): Fix declaration and
2423 initialization of variable res to agree with return type.
2425 2010-01-22 Steve Ellcey <sje@cup.hp.com>
2427 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
2428 * tree-sra.c: Add include of expr.h.
2430 2010-01-22 Jakub Jelinek <jakub@redhat.com>
2432 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
2433 insert the debug stmt on the single non-EH edge from the stmt.
2435 2010-01-22 Richard Henderson <rth@redhat.com>
2438 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
2439 the RHS until after generate_subtree_copies has insertted its
2440 code before the current statement.
2442 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
2444 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
2446 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
2448 2010-01-21 Martin Jambor <mjambor@suse.cz>
2450 PR tree-optimization/42585
2451 * tree-sra.c (struct access): New field grp_total_scalarization.
2452 (dump_access): Dump the new field.
2453 (should_scalarize_away_bitmap): New variable.
2454 (cannot_scalarize_away_bitmap): Likewise.
2455 (sra_initialize): Allocate new bitmaps.
2456 (sra_deinitialize): Free new bitmaps.
2457 (create_access_1): New function.
2458 (create_access): Parts moved to create_access_1.
2459 (type_consists_of_records_p): New function.
2460 (completely_scalarize_record): Likewise.
2461 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
2462 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
2463 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
2465 (analyze_all_variable_accesses): Completely scalarize small eligible
2468 2010-01-21 Martin Jambor <mjambor@suse.cz>
2470 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
2472 2010-01-21 Andrew Haley <aph@redhat.com>
2474 * gcc.c (process_command): Move lang_specific_driver before
2475 setting cc_libexec_prefix.
2477 2010-01-21 Richard Guenther <rguenther@suse.de>
2480 * fold-const.c (negate_expr_p): Pretend only negative
2481 real constants are easily negatable.
2483 2010-01-20 Janis Johnson <janis187@us.ibm.com>
2484 Jason Merrill <jason@redhat.com>
2486 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
2487 (TYPE_TRANSPARENT_AGGR): this, for union and record.
2488 * calls.c (initialize argument_information): Handle it.
2489 * c-common.c (handle_transparent_union_attribute): Use new name.
2490 * c-decl.c (finish_struct): Ditto.
2491 * c-typeck.c (type_lists_compatible_p): Ditto.
2492 (convert_for_assignment): Use new name and also handle record.
2493 * function.c (aggregate_value_p): Handle it.
2494 (pass_by_reference): Ditto.
2495 (assign_parm_data_types): Ditto.
2496 * print-tree.c (print_node): Ditto.
2497 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
2498 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
2499 * tree.c (first_field): New fn.
2501 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
2504 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
2505 even when linking statically, for now.
2507 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
2510 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
2511 without a cselib val.
2512 (count_uses): Accept MO_VAL_SET with no val on stores.
2513 (add_stores): Likewise.
2515 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2517 * var-tracking.c (check_value_val): Add a compile time assertion.
2518 (dv_is_decl_p): Simplify.
2519 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
2520 gcc_assert if ENABLE_CHECKING.
2522 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
2525 * var-tracking.c: Include tree-flow.h.
2526 (mem_dies_at_call): New.
2527 (dataflow_set_preserve_mem_locs): Use it.
2528 (dataflow_set_remove_mem_locs): Likewise.
2529 (dump_var): Renamed from dump_variable. Adjust all callers.
2530 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
2531 * Makefile.in (var-tracking.o): Adjust deps.
2533 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
2535 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
2537 2010-01-20 Richard Guenther <rguenther@suse.de>
2539 PR tree-optimization/42717
2540 * tree-ssa-dce.c (get_live_post_dom): Remove.
2541 (forward_edge_to_pdom): Take an arbitrary edge to copy
2542 degenerate PHI args from.
2543 (remove_dead_stmt): Use the first post-dominator even if it
2544 does not contain live statements as redirection destination.
2546 2010-01-20 Richard Guenther <rguenther@suse.de>
2548 * tree-inline.c (estimate_num_insns): Handle EH builtins.
2550 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2552 * sel-sched.c (create_speculation_check): Remove set but not used
2554 (try_transformation_cache): Remove set but not used variable ds.
2555 (calculate_privileged_insns): Remove set but not used variables
2556 cur_insn and min_spec_insn.
2557 (find_best_expr): Remove set but not used variable avail_n.
2558 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
2560 * cgraphunit.c (assemble_thunk): Remove set but not used variable
2562 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
2563 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
2566 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
2569 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
2570 cpu types. Add support for *-sse3 cpu types.
2571 (x86_64-*-*): Ditto.
2573 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2576 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
2577 argument, call initializer_constant_valid_p_1 instead of
2578 initializer_constant_valid_p, pass CACHE to it, return NULL
2579 immediately if first call returns NULL.
2580 (initializer_constant_valid_p_1): New function.
2581 (initializer_constant_valid_p): Use it.
2583 2010-01-20 Thomas Quinot <quinot@adacore.com>
2585 * tree.def (PLACEHOLDER_EXPR): Fix comment.
2587 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2589 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
2590 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
2591 (loc_list_from_tree): Don't handle unsigned division. Handle
2592 signed modulo using DW_OP_{over,over,div,mul,minus}.
2593 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
2594 modulo instead of signed.
2596 2010-01-20 DJ Delorie <dj@redhat.com>
2598 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
2600 (h8300_emit_stack_adjustment): Propogate it.
2602 (h8300_expand_prologue): Likewise.
2603 (h8300_expand_epilogue): Likewise.
2605 2010-01-19 Michael Matz <matz@suse.de>
2607 PR tree-optimization/41783
2608 * tree-data-ref.c (toplevel): Include flags.h.
2609 (dump_data_dependence_relation): Also dump the inputs if the
2610 result will be unknown.
2611 (split_constant_offset_1): Look through some conversions.
2612 * tree-predcom.c (determine_roots_comp): Restart a new chain if
2613 the offset from last element is too large.
2614 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
2615 (reassociate_to_the_same_stmt): Handle vector registers.
2616 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
2618 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
2619 wide_prolog_niters argument, emit widening instructions.
2620 (vect_do_peeling_for_alignment): Adjust caller, use widened
2621 variant of the iteration cound.
2622 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
2624 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2627 * config/arm/neon-testgen.m (emit_automatics): New parameter
2628 features. Adjust for Fixed_return_reg feature.
2629 (test_intrinsic): Call emit_automatics with new feature.
2630 * config/arm/neon.ml: Update copyright years.
2631 (features): New Fixed_return_reg feature.
2632 (ops): Update feature for Vget_low.
2634 2010-01-19 Jakub Jelinek <jakub@redhat.com>
2636 PR tree-optimization/42719
2637 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
2641 * fwprop.c (all_uses_available_at): Return false if def_set dest
2642 is a REG that is used in def_insn.
2644 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
2646 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
2648 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
2651 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
2653 * target.h (struct gcc_target) <secondary_reload>: Change type
2654 of last argument to secondary_reload_info *.
2656 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
2659 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
2660 memory references with unaligned offsets. Remove CQImode handling.
2661 (unaligned_memory_operand): Return 1 for memory references with
2662 unaligned offsets. Remove CQImode handling.
2664 2010-01-18 Richard Guenther <rguenther@suse.de>
2667 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
2670 2010-01-18 Richard Guenther <rguenther@suse.de>
2672 PR tree-optimization/42781
2673 * tree-ssa-structalias.c (find_what_var_points_to): Skip
2674 restrict processing only if the original variable was artificial.
2676 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
2678 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
2679 find number of popped argument bytes.
2681 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
2682 Fix the text that describes the return value for invalid insns.
2684 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
2686 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
2687 Clarify what 'cost of the -dependence' is. Fix quoting.
2689 * toplev.c (default_get_pch_validity): Rename argument to "sz".
2690 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
2692 2010-01-17 Jakub Jelinek <jakub@redhat.com>
2694 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
2695 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
2697 2010-01-17 Richard Guenther <rguenther@suse.de>
2700 * function.c (split_complex_args): Take a VEC to modify.
2701 (assign_parms_augmented_arg_list): Build a VEC instead of
2702 a chain of PARM_DECLs.
2703 (assign_parms_unsplit_complex): Take a VEC of arguments.
2704 Do not fixup unmodified parms.
2705 (assign_parms): Deal with the VEC.
2706 (gimplify_parameters): Likewise.
2708 2010-01-17 Richard Guenther <rguenther@suse.de>
2710 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
2711 node existence check.
2712 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
2713 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
2714 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
2715 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
2716 (gimple_execute_on_growing_pred): Likewise.
2718 2010-01-17 Richard Guenther <rguenther@suse.de>
2720 PR tree-optimization/42773
2721 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
2722 (compute_antic_aux): Likewise.
2723 (compute_partial_antic_aux): Likewise.
2725 2010-01-17 Jie Zhang <jie.zhang@analog.com>
2728 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
2731 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
2733 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
2736 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
2737 Fix markup for strict argument.
2739 (TARGET_SCHED_REORDER2): Fix argument types.
2741 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
2742 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
2744 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
2745 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
2747 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
2750 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
2751 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
2752 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
2753 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
2754 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
2756 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
2758 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
2760 (TARGET_ASM_RELOC_RW_MASK): Add return type.
2761 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
2763 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
2765 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
2768 (TARGET_ASM_NAMED_SECTION): Fix argument list.
2770 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
2771 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
2773 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
2775 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
2777 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
2778 referring to it. Fix language.
2780 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
2782 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
2784 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
2786 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
2788 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
2789 '@var{stream}. Remove stray 'and'.
2791 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
2793 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
2795 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
2797 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
2798 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
2800 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
2801 Fix description of return value.
2802 Rename argument "sz" to "len."
2804 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
2805 Clarify meaning of 'true' return value.
2807 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
2809 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
2810 rep_mode versus mode_rep.
2812 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
2814 (TARGET_BUILTIN_DECL): Fix name.
2816 (TARGET_COMMUTATIVE_P): Fix type of first argument.
2818 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
2820 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
2822 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
2824 (TARGET_RELAXED_ORDERING): Use @deftypevr.
2826 (TARGET_GET_DRAP_RTX): Note that this is a hook.
2829 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
2830 Rename argument tm_fn to md_fn.
2832 (TARGET_OPTION_PRINT): Fix argument list.
2834 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
2837 * config/i386/i386.c (ix86_fixup_binary_operands):
2838 Revert FMA4 fixup of operands.
2840 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2843 * Makefile.in (write_entries_to_file, install-plugin):
2844 Use \012 instead of \n with tr.
2846 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
2848 * configure.ac (HAVE_AS_REF): New C macro.
2849 * configure: Regenerate.
2850 * config.in: Likewise.
2851 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
2853 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
2856 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
2858 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
2860 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
2862 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
2864 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
2866 (TARGET_IN_SMALL_DATA_P): Fix argument type.
2868 (TARGET_BINDS_LOCAL_P): Fix argument type.
2870 (TARGET_ASM_FILE_END): Use prototype.
2872 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
2874 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
2876 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
2878 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
2880 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
2881 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
2883 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
2884 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
2886 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
2887 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
2888 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
2889 (TARGET_ADDR_SPACE_CONVERT): Likewise.
2891 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
2893 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
2895 (TARGET_INIT_BUILTINS): Use prototype.
2897 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
2898 Put 'const char *' in braces. Fix parameter types.
2899 (TARGET_INVALID_CONVERSION): Fix parameter types.
2900 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
2901 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
2903 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
2906 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
2908 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
2910 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
2912 * doc/tm.texi (TARGET_HELP): Fix return type.
2914 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
2915 in braces. Fix argument types.
2917 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
2919 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
2921 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
2923 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
2924 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
2926 (TARGET_MANGLE_TYPE): Fix argument types.
2928 (TARGET_IRA_COVER_CLASSES): Use prototype.
2930 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
2932 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
2934 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
2936 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
2938 (TARGET_CALLEE_COPIES): Fix argument types.
2940 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
2942 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
2944 (TARGET_FUNCTION_VALUE): Fix argument types.
2946 (TARGET_RETURN_IN_MSB): Fix argument type.
2948 (TARGET_RETURN_IN_MEMORY): Fix argument types.
2950 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
2952 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
2954 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
2955 agree with return type.
2957 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
2959 2010-01-15 Jing Yu <jingyu@google.com>
2961 PR rtl-optimization/42691
2962 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
2963 a pseudo to a constant and are merged, and adjust comments.
2965 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
2967 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
2969 2010-01-15 Richard Guenther <rguenther@suse.de>
2972 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
2973 labels of computed or non-local gotos to the destination.
2974 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
2975 landing pad label is the first label.
2977 2010-01-15 Richard Guenther <rguenther@suse.de>
2979 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
2981 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
2984 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
2985 to allow generation of the xssqrtdp instruction on power7.
2986 (sqrtdf2_fpr): Ditto.
2988 2010-01-14 Jakub Jelinek <jakub@redhat.com>
2991 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
2992 functions with noreturn attribute.
2995 * varasm.c (declare_weak): Add weak attribute to decl if it
2996 doesn't have one already.
2997 (assemble_external): Only add decls to weak_decls if they also
2998 have weak attribute.
3000 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
3002 * var-tracking.c (var_reg_delete): Don't delete the association
3003 between REGs and values or one-part variables if the register
3006 2010-01-14 Jakub Jelinek <jakub@redhat.com>
3009 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
3010 because its first operand is a non-localized variable.
3012 2010-01-14 Martin Jambor <mjambor@suse.cz>
3014 PR tree-optimization/42706
3015 * tree-sra.c (encountered_recursive_call): New variable.
3016 (encountered_unchangable_recursive_call): Likewise.
3017 (sra_initialize): Initialize both new variables.
3018 (callsite_has_enough_arguments_p): New function.
3019 (scan_function): Call decl and flags check only for IPA-SRA, check
3020 whether there is a recursive call and whether it has enough arguments.
3021 (all_callers_have_enough_arguments_p): New function.
3022 (convert_callers): Look for recursive calls only when
3023 encountered_recursive_call is set.
3024 (ipa_early_sra): Bail out either if
3025 !all_callers_have_enough_arguments_p or
3026 encountered_unchangable_recursive_call.
3028 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3030 * sel-sched.c: Add 2010 to copyright years.
3031 * sel-sched-ir.c: Likewise.
3032 * sel-sched-ir.h: Likewise.
3034 2010-01-14 Martin Jambor <mjambor@suse.cz>
3036 PR tree-optimization/42714
3037 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
3038 constructors specially.
3040 2010-01-14 Andi Kleen <ak@linux.intel.com>
3042 * config/i386/drivers-i386.c (detect_caches_intel):
3043 Add l2sizekb parameter and fill in.
3044 (host_detect_local_cpu): Add l2sizekb, fill in.
3045 Add Atom small cache heuristic.
3047 2010-01-14 Andi Kleen <ak@linux.intel.com>
3049 * config/i386/drivers-i386.c (detect_caches_cpuid4):
3050 Add level3 parameter and fill in.
3051 (detect_caches_intel): Handle level3 cache.
3053 2010-01-14 Andi Kleen <ak@linux.intel.com>
3055 * config/i386/drivers-i386.c (host_detect_local_cpu):
3056 Fix core duo detection.
3058 2010-01-14 Andi Kleen <ak@linux.intel.com>
3060 * config/i386/drivers-i386.c (host_detect_local_cpu):
3063 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3065 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
3066 (rs6000_variable_issue_1): this. Use...
3067 (rs6000_variable_issue): here. Reimplement. Print debug info.
3069 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3071 * sel-sched-ir.c (sel_restore_other_notes): Rename to
3072 sel_restore_notes. Update all callers. Call reemit_notes
3075 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3077 PR rtl-optimization/42246
3078 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
3081 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3083 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
3084 all successors is the same as number of successors in current region.
3086 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3088 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
3089 to rename is not separable. Otherwise check that its LHS is not NULL.
3091 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3093 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
3095 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3097 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
3098 available registers when failed to discover LHS register class.
3099 Fix indentation. Update comment.
3101 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3102 Alexander Monakov <amonakov@ispras.ru>
3104 PR rtl-optimization/42389
3105 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
3107 (advance_state_on_fence): Likewise.
3108 (sel_target_adjust_priority): Print debug output only when
3109 sched_verbose >= 4, not 2.
3110 (get_expr_cost): Do not issue all unique insns on the next cycle.
3111 (fill_insns): Initialize can_issue_more from the value saved
3113 * sel-sched-ir.c (flist_add): New parameter issue_more.
3114 Init FENCE_ISSUE_MORE with it.
3115 (merge_fences): Likewise.
3116 (init_fences): Update call to flist_add.
3117 (add_to_fences, add_clean_fence_to_fences)
3118 (add_dirty_fence_to_fences): Likewise.
3119 (move_fence_to_fences): Update call to merge_fences.
3120 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
3122 * sel-sched-ir.h (struct _fence): New field issue_more.
3123 (FENCE_ISSUE_MORE): New accessor macro.
3125 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3127 PR rtl-optimization/42388
3128 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
3129 that have no predecessors nor successors. Do not call move_bb_info
3130 for empty blocks outside of current region.
3132 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3134 PR rtl-optimization/42294
3135 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
3136 * sel-sched.c (move_exprs_to_boundary): Transitively add all
3137 originators' originators.
3139 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3141 PR rtl-optimization/39453
3142 PR rtl-optimization/42246
3143 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
3145 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
3147 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3148 Alexander Monakov <amonakov@ispras.ru>
3151 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
3152 (maybe_tidy_empty_bb): ... here. Make static. Add new
3153 argument. Update all callers.
3154 (tidy_control_flow): ... and here. Recompute topological order
3155 of basic blocks in region if necessary.
3156 (sel_redirect_edge_and_branch): Change return type. Return true
3157 if topological order might have been invalidated.
3158 (purge_empty_blocks): Export and move from...
3159 * sel-sched.c (purge_empty_blocks): ... here.
3160 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
3161 (maybe_tidy_empty_bb): Delete prototype.
3162 (purge_empty_blocks): Declare.
3164 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3166 PR rtl-optimization/42249
3167 * sel-sched.c (try_replace_dest_reg): When chosen register
3168 and original register is the same, do not bail out early, but
3169 still check all original insns for validity of replacing destination
3170 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
3173 2010-01-14 Jakub Jelinek <jakub@redhat.com>
3176 Port from no-undefined-overflow branch:
3177 2009-03-09 Richard Guenther <rguenther@suse.de>
3179 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
3181 2010-01-14 Richard Guenther <rguenther@suse.de>
3184 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
3186 2010-01-14 Ira Rosen <irar@il.ibm.com>
3188 PR tree-optimization/42709
3189 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
3190 as scalar type in creation of constant vector operand.
3192 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3195 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
3196 (check-parallel-%): Match `testsuite' directory component only
3199 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
3201 PR translation/39521
3202 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
3205 2010-01-13 Richard Guenther <rguenther@suse.de>
3207 PR tree-optimization/42730
3208 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
3211 2010-01-13 Steve Ellcey <sje@cup.hp.com>
3214 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
3215 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
3218 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
3220 * config/bfin/libgcc-bfin.ver: Regenerate based on current
3221 libgcc-std.ver. Add entries for ___smulsi3_highpart and
3222 ___umulsi3_highpart.
3224 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
3225 rather than schedule_insns if the pass is enabled.
3227 2010-01-13 Martin Jambor <mjambor@suse.cz>
3229 PR tree-optimization/42704
3230 * tree-sra.c (sra_modify_assign): Do not delete assignments to
3233 2010-01-13 Martin Jambor <mjambor@suse.cz>
3235 PR tree-optimization/42703
3236 * tree-sra.c (analyze_access_subtree): Check that we can build a
3237 reference to the original data within the aggregate.
3239 2010-01-13 Richard Guenther <rguenther@suse.de>
3241 PR tree-optimization/42705
3242 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
3244 2010-01-13 Richard Guenther <rguenther@suse.de>
3247 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
3249 2010-01-13 Jakub Jelinek <jakub@redhat.com>
3252 * var-tracking.c (values_to_unmark): New variable.
3253 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
3254 values_to_unmark vector. Moved body to...
3255 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
3256 instead queue it into values_to_unmark vector.
3257 (vt_find_locations): Free values_to_unmark vector.
3259 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
3261 * config/s390/s390.c (override_options): Set
3262 default of max-pending-list-length to 256
3264 2010-01-13 Richard Guenther <rguenther@suse.de>
3267 * tree-pass.h (PROP_gimple_lcx): New.
3268 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
3269 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
3270 before the final cleanup_eh.
3271 (dump_properties): Dump PROP_gimple_lcx.
3272 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
3273 (tree_lower_complex_O0): Remove.
3274 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
3275 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
3276 tree_lower_complex, schedule TODO_update_ssa.
3277 * lto-streamer-out.c (output_function): Stream the functions
3279 * lto-streamer-in.c (input_function): Likewise.
3280 (lto_read_body): Do not override them here.
3282 2010-01-12 Joseph Myers <joseph@codesourcery.com>
3285 * c-typeck.c (build_c_cast): Fold value cast to union type before
3286 wrapping it in a CONSTRUCTOR.
3288 2010-01-12 Jakub Jelinek <jakub@redhat.com>
3290 PR rtl-optimization/42699
3291 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
3294 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3296 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
3297 SUBTARGET_WARN_UNUSED_SPEC): Move ...
3298 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
3299 SUBTARGET_WARN_UNUSED_SPEC): ... here
3300 * config/mips/iris5.h (LIBGCC_SPEC): Define.
3302 2010-01-12 Julian Brown <julian@codesourcery.com>
3304 * config/arm/neon-schedgen.ml (Utils): Don't try to
3305 open missing module.
3306 (find_with_result): New.
3308 2010-01-12 Jakub Jelinek <jakub@redhat.com>
3311 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
3312 sharing when canonicalizing ({lt,ge}u (plus a b) b).
3314 PR tree-optimization/42645
3315 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
3316 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
3317 decl_map, set processing_debug_stmt to -1 and return name without
3320 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
3322 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
3323 binutils version, and reword target configuration description.
3325 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
3327 * config/avr/avr.h (LINKER_NAME): Remove.
3329 2010-01-11 Janis Johnson <janis187@us.ibm.com>
3332 * config/rs6000/rs6000.c (rs6000_override_options): On targets
3333 that support VSX, warn for -mno-altivec if vsx is not disabled,
3336 2010-01-11 Joseph Myers <joseph@codesourcery.com>
3337 Shujing Zhao <pearly.zhao@oracle.com>
3339 PR translation/42469
3340 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
3341 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
3342 character between option name and help text.
3343 * c.opt (imultilib): Likewise.
3345 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
3347 * lto-streamer-out.c (output_unreferenced_globals): Output static
3350 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
3352 PR rtl-optimization/42621
3353 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
3354 optimizing for size.
3355 (duplicate_computed_gotos): Remove now-redundant check.
3357 2010-01-10 Steve Ellcey <sje@cup.hp.com>
3360 * configure.ac: Save and restore LDFLAGS and LIBS
3361 * configure: Regenerate.
3363 2010-01-10 Richard Guenther <rguenther@suse.de>
3366 * builtins.c (fold_builtin_strlen): Add type argument and
3367 convert the resulting length to it.
3368 (fold_builtin_1): Adjust.
3370 2010-01-09 Jakub Jelinek <jakub@redhat.com>
3372 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
3373 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
3375 (num_insns_constant_wide): Adjust for that change.
3377 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3380 * web.c (union_defs): Add used argument, to combine uses of
3382 (entry_register): Adjust type and tests of used argument.
3383 (web_main): Widen used for new use. Pass it to union_defs.
3384 * df.h (union_defs): Adjust prototype.
3386 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3389 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
3390 uses in new incoming argument. Free body.
3391 (reset_debug_uses_in_loop): New.
3392 (analyze_insn_to_expand_var): Call the latter if the former found
3393 anything. Fix whitespace. Reject invalid dest overlaps before
3394 going through all insns in the loop.
3396 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3399 * haifa-sched.c (dying_use_p): Debug insns don't count.
3401 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3404 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
3405 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
3406 (verify_gimple_call): Reject LHS in noreturn calls.
3408 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3412 * tree-vect-loop-manip.c (adjust_info): New type.
3413 (adjust_vec): New pointer to vector.
3414 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
3415 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
3416 (slpeel_update_phis_for_duplicate_loop): Use them.
3417 (slpeel_update_phi_nodes_for_guard1): Likewise.
3418 (slpeel_update_phi_nodes_for_guard2): Likewise.
3419 (slpeel_tree_peel_loop_to_edge): Likewise.
3420 (vect_update_ivs_after_vectorizer): Likewise.
3422 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3424 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
3425 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
3427 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3429 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
3430 bogus uninitialized warning.
3432 2010-01-09 Richard Guenther <rguenther@suse.de>
3435 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
3436 the evolution is compatible with the initial condition.
3438 2010-01-09 Jakub Jelinek <jakub@redhat.com>
3440 * gcc.c (process_command): Update copyright notice dates.
3441 * gcov.c (print_version): Likewise.
3442 * gcov-dump.c (print_version): Likewise.
3443 * mips-tfile.c (main): Likewise.
3444 * mips-tdump.c (main): Likewise.
3446 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
3449 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
3451 (rotlhi3_8): Delete.
3453 (rotlsi3_8): Delete.
3454 (rotlsi3_16): Delete.
3455 (rotlsi3_24): Delete.
3457 (*rotw<mode>3): New.
3458 (*rotb<mode>3): New.
3459 * config/avr/avr.c (avr_rotate_bytes): New function.
3460 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
3462 2010-01-08 Steve Ellcey <sje@cup.hp.com>
3465 * configure.ac: Modify -rdynamic check.
3466 * configure: Regenerate.
3468 2010-01-08 DJ Delorie <dj@redhat.com>
3470 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
3471 register popping order.
3473 2010-01-08 Richard Guenther <rguenther@suse.de>
3476 * c.opt (fsigned-char): Also let LTO handle this option.
3477 (funsigned-char): Likewise.
3479 2010-01-07 Richard Guenther <rguenther@suse.de>
3481 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
3482 (gimple_op): Likewise.
3483 (gimple_op_ptr): Likewise.
3484 (gimple_assign_set_lhs): Remove gcc_assert.
3485 (gimple_assign_set_rhs1): Likewise.
3486 (gimple_assign_set_rhs2): Likewise.
3487 (gimple_call_set_lhs): Likewise.
3488 (gimple_call_set_fn): Likewise.
3489 (gimple_call_set_fndecl): Likewise.
3490 (gimple_call_fndecl): Likewise.
3491 (gimple_call_return_type): Likewise.
3492 (gimple_call_set_chain): Likewise.
3493 (gimple_call_num_args): Likewise.
3494 (gimple_call_set_arg): Likewise.
3495 (gimple_cond_set_code): Likewise.
3496 (gimple_cond_set_lhs): Likewise.
3497 (gimple_cond_set_rhs): Likewise.
3498 (gimple_cond_set_true_label): Likewise.
3499 (gimple_cond_set_false_label): Likewise.
3500 (gimple_label_set_label): Likewise.
3501 (gimple_goto_set_dest): Likewise.
3502 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
3503 (gimple_debug_bind_get_value): Likewise.
3504 (gimple_debug_bind_get_value_ptr): Likewise.
3505 (gimple_debug_bind_set_var): Likewise.
3506 (gimple_debug_bind_set_value): Likewise.
3507 (gimple_debug_bind_reset_value): Likewise.
3508 (gimple_debug_bind_has_value_p): Likewise.
3509 (gimple_return_retval_ptr): Remove gcc_assert.
3510 (gimple_return_retval): Likewise.
3511 (gimple_return_set_retval): Likewise.
3512 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
3513 (safe_referenced_var_iterator): Remove.
3514 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
3515 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
3516 (fill_referenced_var_vec): Remove.
3517 (first_readonly_imm_use): Remove redundant gcc_assert.
3518 (phi_arg_index_from_use): Combine gcc_asserts.
3519 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
3520 (first_imm_use_stmt): Remove redundant gcc_assert.
3521 * tree-cfg.c (verify_gimple_call): Verify function and chain
3522 operands. Verify arguments.
3523 (verify_types_in_gimple_stmt): Verify condition code and labels.
3525 2010-01-07 Richard Guenther <rguenther@suse.de>
3527 PR tree-optimization/42641
3528 * sese.c (rename_map_elt_info): Use the SSA name version, do
3531 2010-01-07 Jakub Jelinek <jakub@redhat.com>
3533 PR tree-optimization/42625
3534 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
3535 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
3537 2010-01-07 Duncan Sands <baldrick@free.fr>
3539 * Makefile.in (PLUGIN_HEADERS): Add version.h.
3541 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
3544 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
3545 note itself is not function_invariant_p.
3547 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
3549 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
3550 Do not add the DF_NOTE problem.
3551 * store-motion.c (execute_rtl_store_motion): Likewise.
3553 2010-01-07 Martin Jambor <mjambor@suse.cz>
3555 PR tree-optimization/42157
3556 * tree-sra.c (compare_access_positions): Stabilize sort if both
3557 accesses have integer types, return zero immediately if they are the
3560 2010-01-06 Richard Henderson <rth@redhat.com>
3563 * haifa-sched.c (add_to_note_list): Merge into ...
3564 (concat_note_lists): ... here, and ...
3565 (unlink_other_notes, rm_other_notes): Merge into...
3566 (remove_notes): ... here. Create REG_SAVE_NOTEs for
3567 NOTE_INSN_EPILOGUE_BEG.
3569 2010-01-06 Richard Guenther <rguenther@suse.de>
3571 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
3572 not inline regular functions into always-inline functions.
3574 2010-01-06 Nick Clifton <nickc@redhat.com>
3576 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
3577 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
3579 (OVERRIDE_OPTIONS): Delete.
3580 (OPTIMIZATION_OPTIONS): Define.
3581 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
3582 * config/rx/rx.c (rx_handle_option): Issue an error message if
3583 -mcpu=rx200 and -fpu are used together.
3584 (rx_set_optimization_options): New function. Issue an error
3585 message if an optimization attribute attempts to reset the FPU/
3586 math optimization pairing.
3587 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
3588 * config/rx/rx.opt: Set the default to 32-bit doubles.
3589 * config/rx/t-rx: Add multilibs for -nofpu option.
3590 * doc/invoke.texi: Update documentation of RX options.
3592 2010-01-06 Richard Guenther <rguenther@suse.de>
3594 * tree-ssa-pre.c (name_to_id): New global.
3595 (alloc_expression_id): Simplify SSA name handling.
3596 (lookup_expression_id): Likewise.
3597 (init_pre): Zero name_to_id.
3598 (fini_pre): Free it.
3600 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
3602 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
3604 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
3607 * config/i386/sse.md (smaxv2di3): New.
3608 (umaxv2di3): Likewise.
3609 (sminv2di3): Likewise.
3610 (uminv2di3): Likewise.
3612 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
3615 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
3616 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
3617 (legitimize_tls_address): Likewise.
3618 (sparc_tls_referenced_p): Likewise.
3619 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
3620 and adjust calls to legitimize_pic_address.
3621 (legitimate_constant_p) Use sparc_tls_referenced_p.
3622 (legitimate_pic_operand_p): Likewise.
3623 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
3624 (sparc_tls_symbol_ref_1): Delete.
3625 (sparc_tls_referenced_p): Make static, recognize specific patterns.
3626 (legitimize_tls_address): Make static, handle CONST patterns.
3627 (legitimize_pic_address): Make static, remove unused parameter and
3628 adjust recursive calls.
3629 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
3630 and adjust call to legitimize_pic_address.
3631 (sparc_output_mi_thunk): Likewise.
3633 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
3634 H.J. Lu <hongjiu.lu@intel.com>
3637 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
3638 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
3639 operands to make them signed.
3642 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
3645 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
3646 GTU to GT for V4SI and V2DI.
3648 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
3649 (umin<mode>3): Removed.
3651 (uminv4si3): Likewise.
3653 2010-01-05 Martin Jambor <mjambor@suse.cz>
3655 PR tree-optimization/42462
3656 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
3657 current_function_decl to helper functions and macros.
3659 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3662 * flags.h: Don't include real.h.
3663 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
3664 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
3665 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
3666 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
3667 * dominance.c: Update copyright.
3668 * gimple.c (walk_gimple_op): Remove inline.
3669 * tree-ssa-reassoc.c: Include real.h.
3670 * Makefile.in (FLAGS_H): Remove $(REAL_H).
3671 (tree-ssa-reassoc.o): Depend on $(REAL_H).
3673 2010-01-05 Nick Clifton <nickc@redhat.com>
3675 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
3676 register to push into the stack frame when the accumulator has to
3677 be saved during interrupts.
3679 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
3681 * doc/invoke.texi: Remove the documentation about option
3683 * common.opt (Wunreachable-code): Preserved for backward
3685 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
3686 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
3687 the backward compatibility flag section.
3689 2010-01-05 Richard Guenther <rguenther@suse.de>
3691 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
3693 2010-01-05 Jakub Jelinek <jakub@redhat.com>
3696 * cfgexpand.c (expand_one_var): Diagnose too large variables.
3698 PR tree-optimization/42508
3699 * tree-sra.c (convert_callers): Check for recursive call
3700 by comparing cgraph nodes instead of decls.
3701 (modify_function): Call ipa_modify_formal_parameters also
3702 on all same_body aliases.
3704 * cgraphunit.c (cgraph_materialize_all_clones): Compare
3705 cgraph nodes when checking for same_body aliases.
3707 2010-01-05 Richard Guenther <rguenther@suse.de>
3709 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
3710 allocation and lookup.
3711 (get_or_alloc_expr_for_constant): Likewise.
3712 (phi_translate): Sink allocation.
3714 2010-01-04 Richard Guenther <rguenther@suse.de>
3716 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
3717 a new entry only if needed.
3718 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
3719 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
3721 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
3723 (phi_translate): Handle CONSTANTs early.
3725 2010-01-04 Martin Jambor <mjambor@suse.cz>
3727 PR tree-optimization/42398
3728 * tree-sra.c (struct access): Removed flag grp_different_types.
3729 (dump_access): Do not dump the removed flag.
3730 (sort_and_splice_var_accesses): Do not set the removed flag.
3731 (sra_modify_expr): Check for type compatibility directly.
3733 2010-01-04 Martin Jambor <mjambor@suse.cz>
3735 PR tree-optimization/42366
3736 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
3737 edges with variable number of parameters.
3738 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
3739 flag instead of asserting it.
3740 (ipa_read_node_info): Read uses_analysis_done flag.
3742 2010-01-04 Richard Guenther <rguenther@suse.de>
3744 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
3745 iterative_hash_* as intended.
3746 (vn_reference_compute_hash): Likewise. Simplify hashing
3748 (vn_reference_lookup_2): Likewise.
3749 (vn_nary_op_compute_hash): Likewise.
3750 (vn_phi_compute_hash): Likewise.
3751 (expressions_equal_p): Remove strange code.
3752 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
3753 (pre_expr_hash): Likewise. Simplify hashing SSA names.
3754 (bitmap_insert_into_set_1): Take value-id as parameter.
3755 (add_to_value): Pass it.
3756 (bitmap_insert_into_set): Likewise.
3757 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
3759 2010-01-04 Jakub Jelinek <jakub@redhat.com>
3762 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
3763 (do_self_spec): For switches with SWITCH_IGNORE set set also
3764 SWITCH_IGNORE_PERMANENTLY.
3765 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
3768 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
3770 * lto-streamer-out.c (output_unreferenced_globals): Output the full
3771 tree of an unreferenced global var.
3773 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
3776 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
3777 GTU to GT for V4SI and V2DI.
3779 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
3780 (umin<mode>3): Removed.
3782 (uminv4si3): Likewise.
3784 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
3787 * collect2.c (main): Turn on trace in collect2 if -v is passed
3790 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
3792 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
3793 description of expression operand.
3795 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
3797 * configure.ac: Add install-html to target_list for Make-hooks.
3798 * configure: Regenerate.
3799 * fortran/Make-lang.in (F95_HTMLFILES): New.
3800 (fortran.html): Use it.
3801 (fortran.install-html): New.
3802 * Makefile.in (install-html): Add lang.install-html.
3803 * java/Make-lang.in (JAVA_HTMLFILES): New.
3804 (java.html): Use it.
3805 (java.install-html): New.
3806 * objc/Make-lang.in (objc.install-html): New.
3807 * objcp/Make-lang.in (obj-c++.install-html): New.
3808 * cp/Make-lang.in (c++.install-html): New.
3809 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
3810 * lto/Make-lang.in (lto.install-html): New.
3812 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
3815 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
3817 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
3819 PR rtl-optimization/41862
3820 * store-motion.c (store_killed_in_insn, compute_store_table,
3821 remove_reachable_equiv_notes, replace_store_insn,
3822 build_store_vectors): Ignore all DEBUG_INSNs.
3824 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
3827 * common.opt: Add dumpdir.
3829 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
3831 (option_map): Add --dumpdir.
3833 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
3835 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
3837 * opts.c (decode_options): Try dump_dir_name first if
3838 dump_base_name isn't an absolute path.
3839 (common_handle_option): Handle OPT_dumpdir.
3841 * toplev.c (dump_dir_name): New.
3842 (print_switch_values): Also ignore -dumpdir.
3844 * toplev.h (dump_dir_name): New.
3846 2010-01-03 Richard Guenther <rguenther@suse.de>
3848 PR tree-optimization/42589
3849 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
3850 double-word expansion of bswap32.
3852 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
3854 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
3855 with BLOCK_FOR_INSN.
3856 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
3857 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
3858 noce_process_if_block): Likewise.
3859 * gcse.c (compute_local_properties, insert_expr_in_table,
3860 insert_set_in_table, canon_list_insert, find_avail_set,
3861 pre_insert_copy_insn): Likewise.
3863 * basic-block.h (BLOCK_NUM): Move from here...
3864 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
3866 2010-01-03 Richard Guenther <rguenther@suse.de>
3868 PR tree-optimization/42438
3869 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
3870 contains_may_not_return_call flag.
3871 (BB_MAY_NOTRETURN): New.
3872 (valid_in_sets): Trapping nary operations are not valid
3873 in blocks that may not return.
3874 (insert_into_preds_of_block): Remove check for trapping expressions.
3875 (compute_avail): Compute also BB_MAY_NOTRETURN.
3877 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
3879 * doc/invoke.texi: Add 2010 to copyright years.
3881 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
3883 * config/sparc/sparc.c: Fix formatting nits.
3885 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
3886 Alexander Monakov <amonakov@ispras.ru>
3888 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
3890 2010-01-02 Richard Guenther <rguenther@suse.de>
3893 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
3894 (simplify_switch_using_ranges): Mark to be removed edges
3897 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3899 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
3901 * collect2.c (scan_libraries): Add missing argument in call to
3904 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
3907 * config/alpha/predicates.md (aligned_memory_operand): Return false
3909 (unaligned_memory_operand): Return true for CQImode.
3910 * config/alpha/alpha.c (get_aligned_mem): Assert that location
3911 doesn not cross aligned SImode word boundary.
3913 2010-01-02 Anatoly Sokolov <aesok@post.ru>
3915 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
3917 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
3918 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
3920 2010-01-02 Richard Guenther <rguenther@suse.de>
3923 * toplev.c (compile_file): Emit LTO marker properly. Change
3925 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
3927 2010-01-01 Richard Guenther <rguenther@suse.de>
3930 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
3932 2010-01-01 Richard Guenther <rguenther@suse.de>
3935 * c-decl.c (grokdeclarator): For zero-size arrays force
3936 structural equality checks as layout_type does.
3938 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
3940 * builtins.c: Update copyright to 2010.
3942 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
3945 * lto-streamer-out.c (produce_asm): Revert the last change.
3946 (copy_function): Likewise.
3948 * lto-streamer.c (lto_get_section_name): Skip any leading
3951 2010-01-01 Richard Guenther <rguenther@suse.de>
3954 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
3958 Copyright (C) 2010 Free Software Foundation, Inc.
3960 Copying and distribution of this file, with or without modification,
3961 are permitted in any medium without royalty provided the copyright
3962 notice and this notice are preserved.