1 2012-04-13 Richard Guenther <rguenther@suse.de>
4 * convert.c (convert_to_pointer): Remove special-casing of
7 2012-04-13 Joey Ye <joey.ye@arm.com>
9 * config/arm/constraints.md (Pe): New constraint.
10 * config/arm/arm.md: New split for imm 256-510.
12 2012-04-13 Terry Guo <terry.guo@arm.com>
14 * config/arm/arm-cores.def: Added core cortex-m0plus.
15 * config/arm/arm-tune.md: Regenerated.
16 * config/arm/arm-tables.opt: Regenerated.
17 * doc/invoke.texi: Added entry for cpu ARM cortex-m0plus.
19 2012-04-13 Alan Modra <amodra@gmail.com>
22 * config/rs6000/rs6000.c (rs6000_emit_stack_tie): Rewrite with
23 tie regs on destination of sets. Delete forward declaration.
24 (rs6000_emit_stack_reset): Update rs6000_emit_stack_tie calls.
25 (rs6000_emit_prologue): Likewise.
26 (rs6000_emit_epilogue): Likewise. Use in place of gen_frame_tie
28 (is_mem_ref): Use tie_operand to recognise stack ties.
29 * config/rs6000/predicates.md (tie_operand): New.
30 * config/rs6000/rs6000.md (restore_stack_block): Generate new
32 (restore_stack_nonlocal): Likewise.
36 2012-04-12 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
38 * tree-ssa-reassoc.c (attempt_builtin_powi_stats): Change %ld to
39 HOST_WIDE_INT_PRINT_DEC in format strings.
41 2012-04-12 Uros Bizjak <ubizjak@gmail.com>
44 * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
45 argument type to __m256i. Update call to __builtin_ia32_permvarsf256.
46 * config/i386/sse.md (UNSPEC_VPERMVAR): New.
47 (UNSPEC_VPERMSI, UNSPEC_VPERMSF): Remove.
48 (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
49 (avx2_permvar<mode>): Macroize insn from avx2_permvarv8sf and
50 avx2_permvarv8si using VI4F_256 mode iterator.
51 * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
52 Update builtin type to V8SF_FTYPE_V8SF_V8SI.
53 (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
55 (expand_vec_perm_pshufb): Ditto.
57 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
60 * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
61 the list of options to enable the FCFID instruction.
62 (TARGET_EXTRA_BUILTINS): Adjust comment.
64 2012-04-12 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
66 PR tree-optimization/18589
67 * tree-ssa-reassoc.c (reassociate_stats): Add two fields.
68 (operand_entry): Add count field.
69 (add_repeat_to_ops_vec): New function.
70 (completely_remove_stmt): Likewise.
71 (remove_def_if_absorbed_call): Likewise.
72 (remove_visited_stmt_chain): Remove feeding builtin pow/powi calls.
73 (acceptable_pow_call): New function.
74 (linearize_expr_tree): Look for builtin pow/powi calls and add operand
75 entries with repeat counts when found.
76 (repeat_factor_d): New struct and associated typedefs.
77 (repeat_factor_vec): New static vector variable.
78 (compare_repeat_factors): New function.
79 (get_reassoc_pow_ssa_name): Likewise.
80 (attempt_builtin_powi): Likewise.
81 (reassociate_bb): Call attempt_builtin_powi.
82 (fini_reassoc): Two new calls to statistics_counter_event.
84 2012-04-12 Richard Guenther <rguenther@suse.de>
86 * Makefile.in (cgraphunit.o): Add $(EXCEPT_H) dependency.
87 * cgraph.h (tree_rest_of_compilation): Remove.
88 * cgraph.c (cgraph_add_new_function): Move ...
89 * cgraphunit.c (cgraph_add_new_function): ... here.
90 (tree_rest_of_compilation): Make static.
91 (cgraph_expand_function): Do not set cgraph_function_flags_ready.
92 * tree-optimize.c (gate_all_optimizations, pass_all_optimizations,
93 gate_all_early_local_passes, execute_all_early_local_passes,
94 pass_early_local_passes, gate_all_early_optimizations,
95 pass_all_early_optimizations): Move ...
96 * passes.c (gate_all_optimizations, pass_all_optimizations,
97 gate_all_early_local_passes, execute_all_early_local_passes,
98 pass_early_local_passes, gate_all_early_optimizations,
99 pass_all_early_optimizations): ... here.
100 * tree-optimize.c (execute_free_datastructures): Remove.
101 * tree-flow.h (execute_free_datastructures): Remove.
102 * tree-optimize.c (execute_init_datastructures,
103 pass_init_datastructures): Move ...
104 * tree-ssa.c (execute_init_datastructures,
105 pass_init_datastructures): ... here.
106 * cfgexpand.c (gimple_expand_cfg): Inline-expand call to
107 execute_free_datastructures.
109 2012-04-12 Bernd Schmidt <bernds@codesourcery.com>
111 * dbgcnt.def (ira_move): New counter.
112 * ira-int.h (ira_create_new_reg): Declare function.
113 (first_moveable_pseudo, last_moveable_pseudo): Declare variables.
114 * ira-emit.c (ira_create_new_reg): Renamed from craete_new_reg and
115 no longer static. All callers changed.
116 * ira.c: Include "dbgcnt.h".
117 (rtx_moveable_p, insn_dominated_by_p, find_moveable_pseudos,
118 move_unallocated_pseudos): New static functions.
119 (first_moveable_pseudo, last_moveable_pseudo): New global variables.
120 (pseudo_replaced_reg, pseudo_move_insn): New static variables.
121 (ira): Call find_moveable_pseudos and move_unallocated_pseudos.
122 * ira-costs.c (find_costs_and_classes): Assign a memory cost of zero
123 to the pseudos generated in find_moveable_pseudos.
124 * Makefile.in (ira.o): Add $(DBGCNT_H).
126 2012-04-12 Richard Guenther <rguenther@suse.de>
128 PR tree-optimization/52943
129 * tree-chrec.h (chrec_is_positive): Remove.
130 * tree-scalar-evolution.c (chrec_is_positive): Move ...
131 * tree-data-ref.c (chrec_is_positive): ... here. Make static.
132 Return false for a constant zero instead of negative.
133 (analyze_siv_subscript_cst_affine): Handle zero difference
134 in the initial condition explicitely.
136 2012-04-12 Richard Guenther <rguenther@suse.de>
138 * tree-parloops.c (parallelize_loops): Also consult the upper
139 bound for the number of iterations.
140 * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise.
141 (loop_prefetch_arrays): Likewise.
143 2012-04-12 Richard Guenther <rguenther@suse.de>
145 * cfgloop.h (estimated_loop_iterations_int): Ditch
146 'conservative' parameter.
147 (max_stmt_executions_int): Likewise.
148 (estimated_loop_iterations): Likewise.
149 (max_stmt_executions): Likewise.
150 (max_loop_iterations): Declare.
151 (max_loop_iterations_int): Likewise.
152 (estimated_stmt_executions): Likewise.
153 (estimated_stmt_executions_int): Likewise.
154 * tree-ssa-loop-niter.c (estimated_loop_iterations):
156 (max_loop_iterations): ... this.
157 (estimated_loop_iterations_int): Split parts to ...
158 (max_loop_iterations_int): ... this.
159 (max_stmt_executions_int): Split parts to ...
160 (estimated_stmt_executions_int): ... this.
161 (max_stmt_executions): Split parts to ...
162 (estimated_stmt_executions): ... this.
163 * graphite-sese-to-poly.c (build_loop_iteration_domains): Adjust.
164 * predict.c (predict_loops): Likewise.
165 * tree-data-ref.c (max_stmt_executions_tree): Likewise.
166 (analyze_siv_subscript_cst_affine): Likewise.
167 (compute_overlap_steps_for_affine_1_2): Likewise.
168 (analyze_subscript_affine_affine): Likewise.
169 (init_omega_for_ddr_1): Likewise.
170 * tree-parloops.c (parallelize_loops): Likewise.
171 * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
172 (may_eliminate_iv): Likewise.
173 * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise.
174 (loop_prefetch_arrays): Likewise.
175 * tree-vrp.c (adjust_range_with_scev): Likewise.
177 2012-04-12 Oleg Endo <olegendo@gcc.gnu.org>
179 * config/sh/sh.h (RETURN_ADDR_RTX): Use NULL_RTX instead of 0.
180 * config/sh/sh.c (INSN_REGMODE_WEIGHT, CURR_REGMODE_PRESSURE):
182 (dump_table): Use bool type for need_align and have_df variables.
183 (find_barrier, sfunc_uses_reg): Use NULL_RTX instead of 0.
184 (regs_used): Remove register modifier.
185 (barrier_align): Move variables slot, credit, jump_to_next
186 into if block above for loop. Use bool type for jump_to_next.
187 (sh_function_arg): Use NULL_RTX instead of 0.
189 2012-04-11 Andreas Schwab <schwab@linux-m68k.org>
191 * config/m68k/m68k.md (rotrhi3+1): Name it rotrhi_lowpart.
192 (bswapsi2): New expander.
194 2012-04-11 H.J. Lu <hongjiu.lu@intel.com>
196 * config/host-linux.c (TRY_EMPTY_VM_SPACE): Defined to
197 0x60000000 if __x86_64 is defined and __LP64__ isn't defined.
199 2012-04-11 H.J. Lu <hongjiu.lu@intel.com>
201 PR rtl-optimization/52876
202 * emit-rtl.c (set_reg_attrs_from_value): Handle arbitrary value.
203 Don't call mark_reg_pointer for incompatible pointer sign
206 * reginfo.c (reg_scan_mark_refs): Call set_reg_attrs_from_value
209 2012-04-11 Bernd Schmidt <bernds@codesourcery.com>
211 * fold-const.c (fold_unary_loc): Use GET_MODE_PRECISION for
212 comparisons against TYPE_PRECISION.
213 * tree-ssa-forwprop.c (combine_conversions): Likewise.
215 2012-04-11 Xinliang David Li <davidxl@google.com>
217 * tree-passes.h: Remove TODO_dump_func.
218 * tree-ssa-tail-merge.c (tail_merge_optimize): Remove TODO_dump_func.
219 * trans-mem.c: Remove TODO_dump_func.
220 * ira.c: Remove TODO_dump_func.
222 2012-04-11 H.J. Lu <hongjiu.lu@intel.com>
224 * config/i386/i386.c (ix86_option_override_internal): Check
225 SUBTARGET_OVERRIDE_OPTIONS and SUBSUBTARGET_OVERRIDE_OPTIONS
226 after TARGET_64BIT is updated.
228 2012-04-11 Oleg Endo <olegendo@gcc.gnu.org>
230 * config/sh/sh.h: Remove old secondary reload code.
232 2012-04-11 Oleg Endo <olegendo@gcc.gnu.org>
234 * config/sh/sh.c (SCHED_REORDER): Merge macro into ...
235 (ready_reorder): ... this function.
237 2012-04-11 Bernd Schmidt <bernds@codesourcery.com>
239 * sel-sched.c (sel_global_init): Swap order of sched_rgn_init and
242 * haifa-sched.c (prune_ready_list): Rework handling of SCHED_GROUP_P
243 insns so that no other insn is queued for a time before them.
245 * config/c6x/c6x.md (load_got_gotoff): Set op_pattern attribute to
248 2012-04-11 Richard Guenther <rguenther@suse.de>
251 * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
252 consider loop nesting.
253 (evolution_function_is_univariate_p): Properly check the remainder
256 2012-04-11 Richard Guenther <rguenther@suse.de>
259 * except.c (sjlj_emit_dispatch_table): Properly update loop structure.
261 2012-04-11 Nick Clifton <nickc@redhat.com>
263 * config/rl78/rl78.c (rl78_expand_prologue): Set stack use
264 information, if requested.
266 * config/rx/rx.c (rx_expand_prologue): Likewise.
268 2012-04-11 Peter Bergner <bergner@vnet.ibm.com>
269 Michael Matz <matz@suse.de>
272 * rtlanal.c (unsigned_reg_p): New function.
273 Update copyright notice dates.
274 * rtl.h (unsigned_reg_p): Prototype it.
275 Update copyright notice dates.
276 * config/rs6000/rs6000.c (rs6000_generate_compare): Use it.
278 * expr.c (expand_expr_real_1): Set register attributes.
279 * stmt.c (expand_case): Likewise.
281 2012-04-11 Oleg Endo <olegendo@gcc.gnu.org>
284 * config/sh/sh-protos.h (sh_legitimate_index_p): Add new arguments
285 consider_sh2a and allow_zero.
286 * config/sh/sh.c (sh_legitimate_index_p): Likewise.
287 (disp_addr_displacement): New function.
288 (sh_address_cost): Use disp_addr_displacement function instead
290 (sh_legitimate_address_p): Adapt to changed
291 sh_legitimate_index_p declaration.
292 (sh_find_mov_disp_adjust): Remove HImode check.
293 (sh_secondary_reload): Add HImode case. Use satisfies_constraint_Sdd,
294 disp_addr_displacement and max_mov_insn_displacement.
295 (max_mov_insn_displacement): Remove HImode check.
296 * config/sh/sh.h (CONST_OK_FOR_K04, CONST_OK_FOR_K12,
297 DISP_ADDR_P, DISP_ADDR_OFFSET): Remove.
298 * config/sh/constraints.md (K05, K13): New constraints.
299 (K12): Correct comment.
300 (Sdd): Do not use DISP_ADDR_P macro.
301 (Snd, Sbw): Use satisfies_constraint_Sdd.
302 * config/sh/sh.md (extendhisi2): Remove constraints from expander.
303 (*extendhisi2_compact, movhi_i): Remove.
304 (*extendhisi2_compact_reg, *extendhisi2_compact_mem_disp,
305 *extendhisi2_compact_mem_disp, *extendhisi2_compact_snd,
306 *movhi_reg_reg, *movhi_store_mem_disp05, *movhi_store_mem_disp13,
307 *movhi_load_mem_disp, *movhi_load_mem_disp, *movhi): New insns.
308 (*extendqisi2_compact_mem_disp, *extendqisi2_compact_mem_disp,
309 *movqi_store_mem_disp04, *movqi_store_mem_disp12, *movqi_load_mem_disp,
310 *movqi_load_mem_disp): Use sh_legitimate_index_p instead of
312 Add new peepholes for HImode displacement addressing.
314 2012-04-11 Oleg Endo <olegendo@gcc.gnu.org>
316 * config/sh/sh.h (SIDI_OFF): Remove.
317 * config/sh/sh.md: Use gen_highpart and gen_lowpart to access
318 DImode subregs instead of gen_rtx_REG or simplifly_gen_subreg
321 2012-04-11 Eric Botcazou <ebotcazou@adacore.com>
324 * doc/extend.texi (Other Builtins): Document __builtin_bswap16.
325 (PowerPC AltiVec/VSX Built-in Functions): Remove it.
326 * doc/md.texi (Standard Names): Add bswap.
327 * builtin-types.def (BT_UINT16): New primitive type.
328 (BT_FN_UINT16_UINT16): New function type.
329 * builtins.def (BUILT_IN_BSWAP16): New.
330 * builtins.c (expand_builtin_bswap): Add TARGET_MODE argument.
331 (expand_builtin) <BUILT_IN_BSWAP16>: New case. Pass TARGET_MODE to
332 expand_builtin_bswap.
333 (fold_builtin_bswap): Add BUILT_IN_BSWAP16 case.
334 (fold_builtin_1): Likewise.
335 (is_inexpensive_builtin): Likewise.
336 * optabs.c (expand_unop): Deal with bswap in HImode specially. Add
337 missing bits for bswap to libcall code.
338 * tree.c (build_common_tree_nodes): Build uint16_type_node.
339 * tree.h (enum tree_index): Add TI_UINT16_TYPE.
340 (uint16_type_node): New define.
341 * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_BSWAP_HI): Delete.
342 * config/rs6000/rs6000.c (rs6000_expand_builtin): Remove handling of
344 (rs6000_init_builtins): Likewise.
345 * config/rs6000/rs6000.md (bswaphi2): Add TARGET_POWERPC predicate.
347 2012-04-11 Tristan Gingold <gingold@adacore.com>
349 * doc/extend.texi (Type Attributes): Move paragraph.
351 2012-04-11 Manuel López-Ibáñez <manu@gcc.gnu.org>
354 * diagnostic.h (show_caret): Declare.
355 (caret_max_width): Declare.
356 (diagnostic_show_locus): Declare.
357 * diagnostic.c (diagnostic_initialize): Initialize to false.
358 (diagnostic_show_locus): New.
359 (diagnostic_report_diagnostic): Call it.
360 (getenv_columns): New.
362 (diagnostic_set_caret_max_width): New.
363 * input.c (read_line): New.
364 (location_get_source_line): New.
365 * input.h (location_get_source_line): Declare.
366 * toplev.c (general_init): Initialize show_caret from options.
367 * dwarf2out.c (gen_producer_string): Handle fdiagnostics-show-caret.
368 * opts.c (common_handle_option): Likewise.
369 * pretty-print.h (pp_get_prefix): New.
370 (pp_base_get_prefix): New.
371 * common.opt (fdiagnostics-show-caret): New option.
372 * doc/invoke.texi (fdiagnostics-show-caret): Document it.
374 2012-04-11 Richard Guenther <rguenther@suse.de>
376 PR rtl-optimization/52881
377 * ifcvt.c (find_if_case_2): Avoid speculating loop latches.
379 2012-04-11 Richard Guenther <rguenther@suse.de>
381 PR tree-optimization/52912
382 * tree-ssa-threadupdate.c (thread_block): Tell the cfg
383 manipulation code we are threading through a loop header
384 to an exit destination.
386 2012-04-10 Manuel López-Ibáñez <manu@gcc.gnu.org>
388 * tree.h (warn_if_unused_value): Move declaration from here.
389 * stmt.c (warn_if_unused_value): Move definition from here.
391 2010-04-10 Michael Matz <matz@suse.de>
393 * tree-vectorizer.h (_loop_vec_info.strided_stores): Rename to
395 (LOOP_VINFO_STRIDED_STORES): Rename to LOOP_VINFO_GROUPED_STORES.
396 (struce _bb_vec_info.strided_stores): Rename to grouped_stores.
397 (BB_VINFO_STRIDED_STORES): Rename to BB_VINFO_GROUPED_STORES.
398 (STMT_VINFO_STRIDED_ACCESS): Rename to STMT_VINFO_GROUPED_ACCESS.
399 (vect_strided_store_supported): Rename to vect_grouped_store_supported.
400 (vect_strided_load_supported): Rename to vect_grouped_load_supported.
401 (vect_transform_strided_load): Rename to vect_transform_grouped_load.
402 (vect_record_strided_load_vectors): Rename to
403 vect_record_grouped_load_vectors.
404 * tree-vect-data-refs.c (vect_update_misalignment_for_peel):
405 Rename use of above macros.
406 (vect_verify_datarefs_alignment): Ditto.
407 (vector_alignment_reachable_p): Ditto.
408 (vect_peeling_hash_get_lowest_cost): Ditto.
409 (vect_enhance_data_refs_alignment): Ditto.
410 (vect_analyze_group_access): Ditto and rename stride to groupsize.
411 (vect_analyze_data_ref_access): Rename "strided" to "grouped".
412 (vect_strided_store_supported): Rename to vect_grouped_store_supported.
413 (vect_strided_load_supported): Rename to vect_grouped_load_supported.
414 (vect_transform_strided_load): Rename to vect_transform_grouped_load.
415 (vect_record_strided_load_vectors): Rename to
416 vect_record_grouped_load_vectors.
417 * tree-vect-loop.c (new_loop_vec_info): Rename use of above macros.
418 (destroy_loop_vec_info): Ditto.
419 (vect_transform_loop): Ditto and rename strided_store to grouped_store.
420 * tree-vect-slp.c (vect_build_slp_tree): Rename use of above macros.
421 (vect_analyze_slp): Ditto.
422 (new_bb_vec_info): Ditto.
423 (destroy_bb_vec_info): Ditto.
424 (vect_schedule_slp_instance): Ditto and rename strided_store to
426 * tree-vect-stmts.c (vect_cost_strided_group_size): Rename to
427 vect_cost_group_size.
428 (vect_model_store_cost): Rename use of above macros and call
429 to vect_cost_strided_group_size.
430 (vect_model_load_cost): Ditto.
431 (vectorizable_store): Ditto, rename strided_store to grouped_store
432 and calls to renamed tree-vectorizer.h functions.
433 (vectorizable_load): Ditto.
434 (vect_transform_stmt): Rename use of above macros and strided_store
437 2012-04-10 Jan Hubicka <jh@suse.cz>
439 * cgraph.h: Remove misledaing comment on ipa-ref.h.
440 (symtab_type): New enum.
441 (symtab_node): New structure.
442 (cgraph_node, varpool_node): Add symbol base type.
443 (cgraph, varpool): New accestor functions.
444 * cgraph.c (cgraph_create_node_1): Set symbol type.
445 * varpool.c (varpool_node): Set symbol type.
447 2012-04-10 Ulrich Weigand <ulrich.weigand@linaro.org>
448 Richard Sandiford <rdsandiford@googlemail.com>
450 * fwprop.c (propagate_rtx): Also set PR_CAN_APPEAR for subregs.
452 2012-04-10 Richard Guenther <rguenther@suse.de>
455 * gimple-low.c (gimple_check_call_args): Properly account for
456 compatible aggregate types.
458 2012-04-10 Richard Guenther <rguenther@suse.de>
460 * toplev.h (tree_rest_of_compilation): Remove.
461 * tree-optimize.c (tree_rest_of_compilation): Likewise.
462 * cgraph.h (tree_rest_of_compilation): Declare.
463 * tree-optimize.c (tree_rest_of_compilation): Move ...
464 * cgraphunit.c (tree_rest_of_compilation): ... here.
465 * cgraph.c (cgraph_add_new_function): Adjust.
466 * Makefile.in (tree-optimize.o): Adjust.
467 (cgraphunit.o): Likewise.
469 2012-04-10 Ulrich Weigand <ulrich.weigand@linaro.org>
471 PR tree-optimization/52870
472 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
473 presumed pattern statement is within the same loop or basic block.
475 2012-04-10 Tristan Gingold <gingold@adacore.com>
477 * gengtype.c (main): Make uintptr_t a known type.
479 2012-04-10 Richard Guenther <rguenther@suse.de>
481 * tree-pass.h (tree_lowering_passes): Remove.
482 * tree-optimize.c (tree_lowering_passes): Remove.
483 * cgraph.c (cgraph_add_new_function): Inline relevant parts
484 of tree_lowering_passes, avoid redundant call of early local passes.
485 * cgraphunit.c (cgraph_lower_function): Fold into ...
486 (cgraph_analyze_function): ... its single caller. Inline
487 relevant parts of tree_lowering_passes.
489 2012-04-09 H.J. Lu <hongjiu.lu@intel.com>
492 * config/pa/pa.opt: Remove SIO and GNU_LD.
494 2012-04-09 Jan Hubicka <jh@suse.cz>
499 * lto-cgraph.c (compute_ltrans_boundary): When alias is in the
500 boundary, add its target too.
501 * lto.c (add_references_to_partition): Add also aliased nodes.
502 (add_cgraph_node_to_partition,
503 add_varpool_node_to_partition): Work on nodes, not functions/variables;
504 when adding alias, add also the aliased object.
506 2012-04-09 Uros Bizjak <ubizjak@gmail.com>
509 * config/i386/predicates.md (x86_64_zext_general_operand): Prevent
510 VOIDmode immediate operands.
511 * config/i386/constraints.md (Wz): New constraint.
512 * config/i386/i386.md (*zero_extendsidi2_rex64): Use Wz instead of Z.
514 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
517 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
518 the DECL generated for the special GOT helper.
520 2012-04-09 Oleg Endo <olegendo@gcc.gnu.org>
522 * config/sh/constraints.md: Update list of constraints in
524 (Sr0): Remove unused memory constraint.
526 2012-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
528 * tree-pretty-print.h: Update comment.
530 2012-04-08 Oleg Endo <olegendo@gcc.gnu.org>
532 * config/sh/sh.md: Use braced string notation where applicable.
533 (*prefetch_i4, prefetch_m2a): Merge into ...
534 (*prefetch): ... this new insn.
536 2012-04-07 Oleg Endo <olegendo@gcc.gnu.org>
538 * config/sh/sh.h (high_life_started): Remove
539 * config/sh/predicates.md (general_movdst_operand): Use
540 'reload_in_progress' instead of 'high_life_started'.
541 * config/sh/sh.md (divsi_inv_call, *divsi_inv_call_combine,
542 divsi_inv_fp): Likewise.
544 2012-04-07 Oleg Endo <olegendo@gcc.gnu.org>
546 * config/sh/sh-protos.h (prepare_move_operands): Return void
548 * config/sh/sh.c (prepare_move_operands): Likewise.
549 * config/sh/sh.md: Remove return value checks of prepare_move_operands.
551 2012-04-07 Oleg Endo <olegendo@gcc.gnu.org>
553 * config/sh/sh-protos.h (fp_int_operand, symbol_ref_operand,
554 general_movsrc_operand, general_movdst_operand, arith_reg_operand,
555 fp_arith_reg_operand, arith_operand, arith_reg_or_0_operand,
556 logical_operand, fpscr_operand, fpul_operand, expand_fp_branch,
557 commutative_float_operator, noncommutative_float_operator,
558 sh_handle_pragma): Remove.
560 2012-04-06 Sandra Loosemore <sandra@codesourcery.com>
562 * doc/invoke.texi: Clean up Texinfo markup throughout the file.
563 Use @option markup on command-line options. Use @samp markup on
564 literal keywords to options. Use @code markup on code fragments.
565 Use other markup in preference to quotation marks in the text.
566 Add markup to some passages without any.
568 2012-04-06 Mike Stump <mikestump@comcast.net>
570 * gimple-fold.c (gimple_fold_stmt_to_constant_1): Avoid warning.
572 2012-04-06 Oleg Endo <olegendo@gcc.gnu.org>
574 * config/sh/sh.c (hi_const): Remove.
575 (find_barrier, sh_reorg): Use satisfies_constraint_I16 instead
578 2012-04-06 Oleg Endo <olegendo@gcc.gnu.org>
580 * config/sh/sh-protos.h (sh_expand_t_scc): Change return type from int
582 * config/sh/sh.c (sh_expand_t_scc): Likewise.
583 * config/sh/sh.md (cstoresi4, cstoredi4): Remove GET_CODE checks before
584 calling sh_expand_t_scc.
586 2012-04-06 Oleg Endo <olegendo@gcc.gnu.org>
588 * config/sh/sh-protos.h (fp_zero_operand, fp_one_operand,
589 nonpic_symbol_mentioned_p, expand_block_move, expand_ashiftrt,
590 sh_dynamicalize_shift_p, gen_shl_and, gen_shl_sext, system_reg_operand,
591 reg_unused_after, sh_can_redirect_branch, sh_need_epilogue, fldi_ok,
592 sh_hard_regno_rename_ok, sh_cfun_interrupt_handler_p,
593 sh_cfun_resbank_handler_p, sh_attr_renesas_p, sh_cfun_attr_renesas_p,
594 check_use_sfunc_addr, sh_contains_memref_p, sh_loads_bankedreg_p,
595 sh2a_is_function_vector_call): Use bool as return type.
596 (sh_pass_in_reg_p): Remove.
597 * config/sh/sh.c (broken_move, mova_p, noncall_uses_reg, high_pressure,
598 flow_dependent_p, sh2a_function_vector_p, expand_block_move,
599 expand_ashiftrt, sh_dynamicalize_shift_p, gen_shl_and, gen_shl_sext,
600 sh_need_epilogue, sh2a_is_function_vector_call, sh_attr_renesas_p,
601 sh_cfun_attr_renesas_p, sh_cfun_interrupt_handler_p,
602 sh_cfun_resbank_handler_p, system_reg_operand, fp_zero_operand,
603 fp_one_operand, fldi_ok, reg_unused_after, sh_can_redirect_branch,
604 sh_hard_regno_rename_ok, check_use_sfunc_addr, sh_contains_memref_p,
605 sh_loads_bankedreg_p): Use bool as return type.
606 (nonpic_symbol_mentioned_p): Use bool as return type. Remove
609 2012-04-06 Matt Turner <mattst88@gmail.com>
611 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
613 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
615 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
616 of the destination isn't also a FP_REGS register.
618 2012-04-05 Teresa Johnson <tejohnson@google.com>
619 H.J. Lu <hongjiu.lu@intel.com>
621 * config/i386/i386.h (ix86_tune_indices): Add X86_TUNE_LCP_STALL.
622 * config/i386/i386.md (move immediate to memory peephole2):
623 Add cases for HImode move when LCP stall avoidance is needed.
624 * config/i386/i386.c (initial_ix86_tune_features): Initialize
625 X86_TUNE_LCP_STALL entry.
627 2012-04-05 Uros Bizjak <ubizjak@gmail.com>
630 * config/i386/i386.c (ix86_decompose_address): Allow VOIDmode
631 CONST_INT operands, zero-extended with AND.
633 2012-04-05 Oleg Endo <olegendo@gcc.gnu.org>
636 * config/sh/sh.c (sh_find_mov_disp_adjust): Take machine_mode as the
637 first argument instead of mode size. Move displacement calculations
639 (mov_insn_size, max_mov_insn_displacement, mov_insn_alignment_mask):
640 ... these new functions.
641 (disp_adjust): Remove max_mov_disp field.
642 (sh_legitimate_index_p): Use max_mov_insn_displacement and
643 mov_insn_alignment_mask.
644 (sh_address_cost): Use max_mov_insn_displacement.
646 2012-04-05 Andrew Stubbs <ams@codesourcery.com>
648 * config/arm/arm.md (arch): Add neon_onlya8 and neon_nota8.
649 (arch_enabled): Handle new arch types.
650 (one_cmpldi2): Add NEON support.
652 2012-04-05 Richard Guenther <rguenther@suse.de>
654 * gimple.c (walk_gimple_op): Compute val_only for the LHS
655 of an assigment in the canonical way, avoiding is_gimple_mem_rhs.
656 (is_gimple_mem_rhs, is_gimple_reg_rhs, is_gimple_stmt): Move ...
657 * gimplify.c (is_gimple_mem_rhs, is_gimple_reg_rhs, is_gimple_stmt):
658 ... here and make static.
659 * gimple.h (is_gimple_mem_rhs, is_gimple_reg_rhs, is_gimple_stmt):
662 2012-04-05 Richard Guenther <rguenther@suse.de>
664 * tree-ssa-dse.c (dse_optimize_stmt): Remember the stmt
665 basic-block before removing it.
667 2012-04-05 Richard Guenther <rguenther@suse.de>
669 * tree-ssanames.c (release_dead_ssa_names): Compact the SSA
670 version namespace as we release the freelist.
672 2012-04-05 Richard Guenther <rguenther@suse.de>
674 * tree-nrv.c (tree_nrv): Release VDEFs.
675 * tree-sra.c (sra_modify_constructor_assign): Likewise.
676 (sra_modify_assign): Likewise.
677 * tree-vect-stmts.c (vect_remove_stores): Likewise.
678 * tree-vect-loop.c (vect_transform_loop): Likewise.
679 * tree-ssa-dom.c (optimize_stmt): Likewise.
680 * tree-vect-slp.c (vect_schedule_slp): Likewise.
681 * tree-ssa-math-opts.c (execute_cse_sincos): Likewise.
683 2012-04-05 Richard Guenther <rguenther@suse.de>
685 * gimple-iterator.c (gsi_remove): Return whether EH edges need to be
687 * gimple.h (gsi_remove): Adjust.
688 * tree-ssa-operands.c (unlink_stmt_vdef): Optimize.
689 * tree-ssa-dom.c (optimize_stmt): Use gsi_remove result.
690 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
691 * tree-ssa-forwprop.c (remove_prop_source_from_use): Likewise.
692 * tree-ssa-math-opts.c (execute_optimize_widening_mul): Likewise.
693 * tree-ssa-pre.c (eliminate): Likewise.
695 2012-04-04 Mike Stump <mikestump@comcast.net>
697 * doc/rtl.texi (const_double): Document as sign-extending.
698 * expmed.c (expand_mult): Ensure we don't use shift incorrectly.
699 * emit-rtl.c (immed_double_int_const): Refine to state the
701 * simplify-rtx.c (mode_signbit_p): Add a fixme for wider than
702 CONST_DOUBLE integers.
703 (simplify_const_unary_operation, UNSIGNED_FLOAT): Ensure no
704 negative values are converted. Fix conversions bigger than
705 HOST_BITS_PER_WIDE_INT.
706 (simplify_binary_operation_1): Ensure we don't use shift incorrectly.
707 (simplify_immed_subreg): Sign-extend CONST_DOUBLEs.
708 * explow.c (plus_constant_mode): Add.
709 (plus_constant): Implement with plus_constant_mode.
710 * rtl.h (plus_constant_mode): Add.
712 2012-04-04 Richard Guenther <rguenther@suse.de>
714 PR tree-optimization/52808
715 * tracer.c (tail_duplicate): Do not tail-duplicate loop header blocks.
716 * Makefile.in (tracer.o): Depend on $(CFGLOOP_H).
718 2012-04-04 Tristan Gingold <gingold@adacore.com>
720 * expr.c (expand_expr_real_2): Handle larger sizetype in
723 2012-04-03 Kaz Kojima <kkojima@gcc.gnu.org>
725 * config/sh/t-sh (MULTILIB_MATCHES): Match m2a-single-only
726 to m2a-single instead of m2e.
728 2012-04-03 Eric Botcazou <ebotcazou@adacore.com>
730 * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
731 Change type of BITOFFSET to signed. Make sure the lower bound of
732 the computed range is non-negative by adjusting OFFSET and BITPOS.
733 (expand_assignment): Adjust call to get_bit_range.
735 2012-04-03 Sandeep Kumar Singh <Sandeep.Singh2@kpitcummins.com>
737 * h8300/h8300.c (h8300_current_function_monitor_function_p):
738 New function. Added to check monitor functions.
739 (h8300_option_override): Modified to generate error/warning
740 messages for invalid combinations of different command line
742 * h8300/h8300.md: Generate 'rte' for monitor functions. Do not
743 save EXR on stack for monitor function in case of H8S target
744 when "-mno-exr" is passed.
745 * h8300/h8300-protos.h (h8300_current_function_monitor_function_p):
747 * doc/invoke.texi: Document H8S options.
749 2012-04-03 Tristan Gingold <gingold@adacore.com>
751 * configure.ac: Use GCC_AC_FUNC_MMAP_BLACKLIST instead
752 of gcc_AC_FUNC_MMAP_BLACKLIST.
753 * acinclude.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Remove.
754 * Makefile.in (aclocal_deps): Add mmap.m4.
755 * configure: Regenerate.
756 * aclocal.m4: Regenerate.
758 2012-04-03 Richard Guenther <rguenther@suse.de>
760 PR tree-optimization/52808
761 * tracer.c (tail_duplicate): Return whether we have duplicated
763 (tracer): If we have duplicated any block, cleanup the CFG.
764 * cfghooks.c (duplicate_block): If we duplicated a loop
765 header but not its loop, destroy the loop because it now has
767 * tree-ssa-threadupdate.c (thread_through_loop_header): Tell
768 the cfg manipulation routines we are not creating a multiple
771 2012-04-03 Tristan Gingold <gingold@adacore.com>
773 * config/vms/vms-c.c (vms_pragma_nomember_alignment): Handle
775 (vms_c_common_override_options): Allow parameterless variadic
778 2012-04-03 Jakub Jelinek <jakub@redhat.com>
780 PR tree-optimization/52835
781 * tree-data-ref.c (build_rdg): Return NULL if
782 compute_data_dependences_for_loop failed.
784 2012-04-03 Eric Botcazou <ebotcazou@adacore.com>
786 * varasm.c (initializer_constant_valid_for_bitfield_p): Return true
787 for REAL_CST as well.
788 (output_constructor): Use RECORD_OR_UNION_TYPE_P predicate.
789 In the bitfield case, if the value is a REAL_CST, convert it first to
792 2012-04-02 H.J. Lu <hongjiu.lu@intel.com>
794 * config.gcc: Use i386/biarchx32.h instead of i386/biarch64.h
795 for --with-abi={x32|mx32} or --with-multilib-list=mx32.
796 (supported_defaults): Add abi for i[34567]86-*-* and x86_64-*-*.
798 * config/i386/biarchx32.h: New.
800 2012-04-02 Anatoly Sokolov <aesok@post.ru>
802 * config/arm/arm.h (PREFERRED_RELOAD_CLASS): Remove.
803 * config/arm/arm.c (TARGET_PREFERRED_RELOAD_CLASS): Define.
804 (arm_preferred_reload_class): New function.
806 2012-04-02 Richard Guenther <rguenther@suse.de>
808 PR tree-optimization/52756
809 * tree-ssa-threadupdate.c (def_split_header_continue_p): New function.
810 (thread_through_loop_header): After threading through the loop latch
811 remove the split part from the loop and clear further threading
812 opportunities that would create a multiple entry loop.
814 2012-04-02 Richard Guenther <rguenther@suse.de>
816 PR rtl-optimization/52800
817 * cprop.c (execute_rtl_cprop): Call cleanup_cfg with
820 2012-04-02 Richard Guenther <rguenther@suse.de>
823 * loop-init.c (gate_handle_loop2): Destroy loops here if
824 we don't enter RTL loop optimizers.
826 2012-04-02 Uros Bizjak <ubizjak@gmail.com>
829 2012-03-29 Richard Guenther <rguenther@suse.de>
831 * rtl.h (extended_count): Remove.
832 * combine.c (extended_count): Remove.
834 2012-04-02 Dodji Seketeli <dodji@redhat.com>
837 * pt.c (more_specialized_fn): Don't apply decay conversion to
838 types of function parameters.
840 2012-04-02 Tristan Gingold <gingold@adacore.com>
842 * ggc-page.c (PAGE_L1_SIZE, PAGE_L2_SIZE, LOOKUP_L1, LOOKUP_L2)
843 (ggc_allocated_p, lookup_page_table_entry, set_page_table_entry)
844 (alloc_page, init_ggc, clear_marks, struct ggc_pch_data)
845 (ggc_pch_this_base): Use uintptr_t instead of size_t.
847 2012-03-31 H.J. Lu <hongjiu.lu@intel.com>
850 * config/i386/i386.c (ix86_option_override_internal): Don't
851 check TARGET_64BIT if TARGET_64BIT_DEFAULT is false.
853 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
855 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
856 (stmt_can_make_abnormal_goto): Use it.
857 (is_ctrl_altering_stmt): Likewise.
859 2012-03-30 Naveen H.S <naveen.S@kpitcummins.com>
860 Kaz Kojima <kkojima@gcc.gnu.org>
862 * config/sh/sh.c (push_regs): Skip banked registers when
863 resbank attribute is specified.
864 (sh_expand_epilogue): Likewise.
866 2012-03-30 Richard Henderson <rth@redhat.com>
869 * combine-stack-adj.c (prev_active_insn_bb): New.
870 (next_active_insn_bb): New.
871 (force_move_args_size_note): New.
872 (combine_stack_adjustments_for_block): Use it.
874 2012-03-30 Richard Henderson <rth@redhat.com>
876 * config/i386/i386.c (struct expand_vec_perm_d): Add one_operand_p.
877 (ix86_expand_vector_init_duplicate): Initialize it.
878 (expand_vec_perm_palignr): Likewise.
879 (ix86_expand_vec_perm_const): Likewise.
880 (ix86_vectorize_vec_perm_const_ok): Likewise.
881 (expand_vec_perm_blend): Use it.
882 (expand_vec_perm_vpermil): Likewise.
883 (expand_vec_perm_pshufb): Likewise.
884 (expand_vec_perm_1): Likewise.
885 (expand_vec_perm_pshuflw_pshufhw): Likewise.
886 (expand_vec_perm_interleave2): Likewise.
887 (expand_vec_perm_vpermq_perm_1): Likewise.
888 (expand_vec_perm_vperm2f128): Likewise.
889 (expand_vec_perm_interleave3): Likewise.
890 (expand_vec_perm_vperm2f128_vblend): Likewise.
891 (expand_vec_perm_vpshufb2_vpermq): Likewise.
892 (expand_vec_perm_vpshufb2_vpermq_even_odd): Likewise,.
893 (expand_vec_perm_broadcast): Likewise.
894 (expand_vec_perm_vpshufb4_vpermq2): Likewise.
896 2012-03-30 Richard Henderson <rth@redhat.com>
898 * dwarf2out.c (gen_variable_die): Initialize off.
900 2012-03-30 Tristan Gingold <gingold@adacore.com>
902 * config/vms/vms-f.c: New file.
903 * config/vms/t-vms (vms-f.o): New rule.
904 * config.gcc (*-*-*vms*): Define fortran_target_objs.
906 2012-03-30 Richard Guenther <rguenther@suse.de>
908 PR tree-optimization/52754
909 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
910 propagate arbitrary addresses into really plain dereferences.
912 2012-03-30 Richard Guenther <rguenther@suse.de>
915 * except.c (emit_to_new_bb_before): Move loop updating ...
916 (dw2_build_landing_pads): ... here. Use a proper block for
917 querying the loop father.
919 2012-03-30 Tristan Gingold <gingold@adacore.com>
921 * config/ia64/ia64.c (ia64_section_type_flags): Remove
922 common_object attribute handling.
923 (SECTION_VMS_OVERLAY): Remove
924 (ia64_vms_common_object_attribute): Replace abort with an assert.
925 Do not set DECL_SECTION_NAME.
926 (ia64_vms_output_aligned_decl_common): Handle common_object
928 (ia64_vms_elf_asm_named_section): Remove.
929 * config/ia64/vms.h (TARGET_ASM_NAMED_SECTION): Remove.
931 2012-03-30 Richard Guenther <rguenther@suse.de>
934 * double-int.c (rshift_double): Remove not needed cast.
936 2012-03-30 Richard Guenther <rguenther@suse.de>
938 * tree-affine.h (print_aff): Remove.
939 * tree-affine.c (print_aff): Make static.
940 * tree-data-ref.h (access_matrix_get_index_for_parameter): Remove.
941 (get_references_in_stmt): Likewise.
942 (print_direction_vector): Likewise.
943 (print_dir_vectors): Likewise.
944 (print_dist_vectors): Likewise.
945 (dump_subscript): Likewise.
946 (dump_ddrs): Likewise.
947 (dump_dist_dir_vectors): Likewise.
948 (dump_data_references): Likewise.
949 (dump_data_dependence_relation): Likewise.
950 (dump_data_dependence_direction): Likewise.
951 (dump_rdg_vertex): Likewise.
952 (dump_rdg_component): Likewise.
953 (debug_ddrs): Declare.
954 (struct data_ref_loc_d): Move ...
955 * tree-data-ref.c (struct data_ref_loc_d): ... here.
956 (get_references_in_stmt): Make static.
957 (dump_data_references): Likewise.
958 (dump_subscript): Likewise.
959 (print_direction_vector): Likewise.
960 (print_dir_vectors): Likewise.
961 (print_dist_vectors): Likewise.
962 (dump_data_dependence_relation): Likewise.
963 (dump_dist_dir_vectors): Likewise.
964 (dump_ddrs): Likewise.
965 (dump_rdg_vertex): Likewise.
966 (dump_rdg_component): Likewise.
967 (debug_ddrs): New function.
968 (access_matrix_get_index_for_parameter): Remove.
970 2012-03-30 Tristan Gingold <gingold@adacore.com>
972 * config/vms/vms.c (VMS_CRTL_FLOAT32): Rename.
973 (VMS_CRTL_FLOAT64, VMS_CRTL_FLOAT64_VAXD): New.
974 (VMS_CRTL_FLOAT128, VMS_CRTL_DPML, VMS_CRTL_NODMPL)
975 (VMS_CRTL_32ONLY, VMS_CRTL_G_MASK, VMS_CRTL_G_NONE)
976 (VMS_CRTL_GA, VMS_CRTL_GL, VMS_CRTL_FLOATV2): New.
977 (vms_patch_builtins): Handle new flags
978 * config/vms/vms-crtlmap.map: Completed using nm on
979 c and math system libraries.
980 * config/vms/make-crtlmap.awk: Handle any number of flags.
982 2012-03-30 Martin Jambor <mjambor@suse.cz>
984 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
985 is a builtin_stack_save in a dominating BB.
987 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
989 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
990 crossing 128bit lane boundary.
992 2012-03-29 Vladimir Makarov <vmakarov@redhat.com>
994 * ira-color.c (setup_left_conflict_sizes_p): Process all
997 2012-03-29 Jakub Jelinek <jakub@redhat.com>
999 PR tree-optimization/52760
1000 * tree-vect-slp.c (vect_get_constant_vectors): Convert constant_p
1001 shift count for {L,R}{SHIFT,ROTATE}_EXPR to TREE_TYPE (vector_type).
1003 2012-03-29 Richard Guenther <rguenther@suse.de>
1005 * cgraph.h (cgraph_materialize_all_clones): Remove.
1006 (reset_inline_failed): Likewise.
1007 * cgraphunit.c (cgraph_materialize_all_clones): Make static.
1008 * cgraphbuild.c (reset_inline_failed): Remove.
1009 * rtl.h (cse_main): Remove.
1010 (extended_count): Likewise.
1011 * cse.c (dump_class): Mark as DEBUG_FUNCTION.
1012 (cse_main): Make static.
1013 * combine.c (extended_count): Remove.
1014 (dump_combine_stats): Mark as DEBUG_FUNCTION.
1015 * basic-block.h (reorder_basic_blocks): Remove.
1016 * bb-reorder.c (reorder_basic_blocks): Make static.
1017 * Makefile.in (dse.o): Remove dse.h dependency.
1019 * dse.c (gate_dse): Remove.
1020 (clear_alias_mode_eq): Likewise.
1021 (clear_alias_mode_hash): Likewise.
1022 (dse_record_singleton_alias_set): Likewise.
1023 (dse_invalidate_singleton_alias_set): Likewise.
1025 2012-03-29 H.J. Lu <hongjiu.lu@intel.com>
1027 * config/linux-android.h (ANDROID_STARTFILE_SPEC): Use
1028 crtbegin_so%O%s for -shared.
1029 (ANDROID_ENDFILE_SPEC): Use crtend_so%O%s for -shared.
1031 2012-03-29 Richard Guenther <rguenther@suse.de>
1033 * tree-flow.h (struct pre_expr_d): Remove forward declaration.
1034 (add_to_value): Remove.
1035 (print_value_expressions): Likewise.
1036 * tree-ssa-pre.c (add_to_value): Make static.
1037 (print_value_expressions): Likewise.
1038 * gimple.h (gimple_adjust_this_by_delta): Remove.
1039 * gimple-fold.c (gimple_adjust_this_by_delta): Likewise.
1041 2012-03-29 Richard Guenther <rguenther@suse.de>
1044 * double-int.h (rshift_double): Remove.
1045 * double-int.c (lshift_double): Use absu_hwi to make count
1047 (rshift_double): Make static, take unsigned count argument,
1048 remove handling of negative count argument.
1049 (double_int_rshift): Dispatch to lshift_double.
1051 2012-03-28 H.J. Lu <hongjiu.lu@intel.com>
1053 * config/i386/biarch64.h (TARGET_64BIT_DEFAULT): Add
1056 * config/i386/gnu-user64.h (SPEC_64): Support TARGET_BI_ARCH == 2.
1057 (SPEC_X32): Likewise.
1058 (MULTILIB_DEFAULTS): Likewise.
1060 * config/i386/i386.c (isa_opts): Remove -m64.
1061 (ix86_target_string): Properly handle -m32/-m64/-mx32.
1062 (ix86_option_override_internal): Properly
1063 set OPTION_MASK_ISA_64BIT and OPTION_MASK_ISA_X32 as well as
1064 handle -m32, -m64 and -mx32.
1066 * config/i386/i386.h (TARGET_X32): Replace OPTION_ISA_X32
1067 with OPTION_ABI_X32. Moved after TARGET_LP64.
1068 (TARGET_LP64): Changed to OPTION_ABI_64.
1070 * config/i386/i386.opt (m64): Replace ISA_64BIT with ABI_64.
1071 (mx32): Replace ISA_X32 with ABI_X32.
1073 2012-03-28 Eric Botcazou <ebotcazou@adacore.com>
1075 * tree.c (tree_size) <VECTOR_CST>: New case.
1077 2012-03-28 Uros Bizjak <ubizjak@gmail.com>
1079 * config/i386/i386.c (ix86_modes_tieable_p): Handle 32bit AVX modes.
1080 (ix86_expand_vector_move_misalign): Remove un-needed gen_lowpart calls.
1082 2012-03-28 Jakub Jelinek <jakub@redhat.com>
1085 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
1086 __builtin_va_start to __builtin_next_arg if the latter is
1087 builtin_decl_explicit_p rather than when it is not.
1090 * tree-vect-generic.c (vector_element): Perform multiplication
1091 for pos in bitsizetype type instead of idx type.
1093 2012-03-28 Richard Guenther <rguenther@suse.de>
1095 * loop-init.c (loop_optimizer_init): If loops are preserved
1096 perform incremental initialization of required loop features.
1097 (loop_optimizer_finalize): If loops are to be preserved only
1098 clean up optional loop features.
1099 (rtl_loop_done): Forcefully free loops here.
1100 * cgraph.c (cgraph_release_function_body): Forcefully free loops.
1101 * cfgexpand.c (expand_gimple_cond): Properly add new basic-blocks
1103 (construct_init_block): Likewise.
1104 (construct_exit_block): Likewise.
1105 (gimple_expand_cfg): Clear LOOP_CLOSED_SSA loop state. Cleanup
1106 the CFG after expanding.
1107 * cfgloop.c (verify_loop_structure): Calculate or verify dominators.
1108 If we needed to calculate them, free them afterwards.
1109 * tree-pass.h (PROP_loops): New define.
1110 * tree-ssa-loop.c (pass_tree_loop_init): Provide PROP_loops.
1111 * basic-block.h (CLEANUP_CFG_CHANGED): New.
1112 * cfgcleanup.c (merge_blocks_move): Protect loop latches.
1113 (cleanup_cfg): If we did something and have loops around, fix them up.
1114 * cse.c (rest_of_handle_cse_after_global_opts): Call cleanup_cfg
1115 with CLEANUP_CFG_CHANGED.
1116 * cfghooks.c (merge_blocks): If we merge a loop header into
1117 its predecessor, update the loop structure.
1118 (duplicate_block): If we copy a loop latch, adjust loop state
1119 to note we may have multiple latches.
1120 (delete_basic_block): Mark loops for fixup if we remove a loop.
1121 * cfganal.c (forwarder_block_p): Protect loop latches, headers
1123 * cfgrtl.c (rtl_can_merge_blocks): Protect loop latches.
1124 (cfg_layout_can_merge_blocks_p): Likewise.
1125 * cprop.c (bypass_block): If we create a loop with multiple
1126 entries, mark it for removal.
1127 * except.c (emit_to_new_bb_before): Add the new basic-block
1129 * tree-eh.c (lower_resx): Likewise.
1130 * omp-low.c (finalize_task_copyfn): Do not copy PROP_loops.
1131 (expand_omp_taskreg): Likewise.
1132 * tree-inline.c (initialize_cfun): Likewise.
1133 * tree-mudflap.c (add_bb_to_loop): Prototype.
1134 (mf_build_check_statement_for): Properly add new basic-blocks
1136 * tree-ssa-threadupdate.c (thread_block): Mark loops for fixup
1137 if we remove a loop.
1138 (thread_through_loop_header): Likewise.
1139 * trans-mem.c (tm_log_emit_save_or_restores): Properly add
1140 new basic-blocks to existing loops.
1141 (expand_transaction): Likewise.
1142 * Makefile.in (except.o): Add $(CFGLOOP_H).
1144 (cgraph.o): Likewise.
1145 (cprop.o): Likewise.
1146 (cfgexpand.o): Likewise.
1147 (cfganal.o): Likewise.
1148 (trans-mem.o): Likewise.
1149 (tree-eh.o): Likewise.
1151 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
1154 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
1155 (avr_builtin_decl): New static function.
1156 (struct avr_builtin_description, avr_bdesc): Move up.
1157 Add GTY marker. Add field fndecl. Remove redundant field id.
1158 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
1159 (avr_expand_builtin): Code cleanup because .id is removed.
1161 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
1164 * config.gcc (tm_file): Remove avr/multilib.h.
1166 * doc/invoke.texi (AVR Options): Adjust documentation of -mtiny-stack.
1168 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
1169 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
1170 * config/avr/t-avr: Remove generation of multilib.h.
1171 * config/avr/t-multilib: Regenerate.
1172 * config/avr/multilib.h: Remove.
1173 * config/avr/avr.opt (-msp8): New option.
1174 (avr_sp8): New variable.
1175 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
1176 * config/avr/avr.h (AVR_HAVE_SPH): New define.
1177 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
1178 (avr_device_to_sp8): New prototype.
1179 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
1180 (DRIVER_SELF_SPECS): New define.
1181 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
1182 __AVR_SP8__, __AVR_HAVE_SPH__.
1183 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
1184 AVR_HAVE_8BIT_SP to decide if SP_H is present.
1185 (avr_file_start): Ditto.
1187 2012-03-28 Jakub Jelinek <jakub@redhat.com>
1190 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
1191 instead of 8 in adjust_address.
1193 2012-03-27 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
1196 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
1199 2012-03-27 Oleg Endo <olegendo@gcc.gnu.org>
1202 * config/sh/sh.c (sh_legitimize_address, sh_legitimize_reload_address):
1203 Rearrange conditional logic. Move displacement address calculations
1205 (sh_find_mov_disp_adjust): ... this new function.
1207 2012-03-27 H.J. Lu <hongjiu.lu@intel.com>
1209 * config/arm/arm.opt (mapcs): Remove MaskExists.
1210 * config/cris/linux.opt (mno-gotplt): Likewise.
1211 * config/i386/i386.opt (mhard-float): Likewise.
1213 (mno-sse4): Likewise.
1214 * config/m68k/m68k.opt (mhard-float): Likewise.
1215 * config/mep/mep.op (mcop32): Likewise.
1216 * config/pa/pa-hpux.opt (msio): Likewise.
1217 * config/pa/pa64-hpux.opt (mgnu-ld): Likewise.
1218 * config/picochip/picochip.opt (mlittle): Likewise.
1219 * config/sh/sh.opt (mrenesas): Likewise.
1220 * config/sparc/long-double-switch.opt (mlong-double-128): Likewise.
1221 * config/sparc/sparc.opt (mhard-float): Likewise.
1222 * config/v850/v850.opt (mv850es): Likewise.
1223 * config/vax/vax.opt (mg-float): Likewise.
1225 2012-03-27 Martin Jambor <mjambor@suse.cz>
1228 * tree-sra.c (sra_modify_assign): Do not call
1229 load_assign_lhs_subreplacements when working with an unscalarizable
1232 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
1235 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
1237 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
1238 * config/i386/i386.c: Include reload.h.
1239 (ix86_legitimize_reload_address): New function.
1241 2012-03-27 H.J. Lu <hongjiu.lu@intel.com>
1243 * opth-gen.awk: Allocated a bit for Mask and InverseMask if it
1244 hasn't been allocated. Define a target macro for Mask and
1245 InverseMask if it hasn't been defined. Remove MaskExists handling.
1247 * doc/options.texi: Remove MaskExists.
1249 2012-03-27 Chung-Lin Tang <cltang@codesourcery.com>
1252 * config/sh/sh.c (find_barrier): Add equality check of last_got
1253 to avoid going above orig insn. Update comments.
1255 2012-03-27 Richard Guenther <rguenther@suse.de>
1258 * fold-const.c (try_move_mult_to_index): Handle &x.array more
1261 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
1263 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
1264 of a unit before computing the offset in units.
1265 * expr.c (get_bit_range): Return the null range if the enclosing record
1266 is part of a larger bit field.
1268 2012-03-27 Tristan Gingold <gingold@adacore.com>
1270 * config/ia64/vms.h (CASE_VECTOR_MODE): Define.
1271 * config/ia64/ia64.md: Remove mode in template.
1272 Sign extend operand in expand_simple_binop.
1273 * config/ia64/ia64.h (ASM_OUTPUT_ADDR_DIFF_ELT): Use
1274 CASE_VECTOR_MODE instead of TARGET_ILP32.
1275 (ADDR_VEC_ALIGN): Make it depends on CASE_VECTOR_MODE.
1277 2012-03-26 Steven Bosscher <steven@gcc.gnu.org>
1279 * varasm.c (assemble_external): #if 0 out the new assert from the
1280 previous commit, it breaks the Java and Go front ends.
1282 2012-03-26 Steven Bosscher <steven@gcc.gnu.org>
1284 * toplev.c (check_global_declaration_1): Do not call assemble_external.
1285 * expr.c (emit_block_move_libcall_fn): Likewise.
1286 (clear_storage_libcall_fn): Likewise.
1287 (expand_expr_addr_expr_1): Likewise.
1288 (expand_expr_real_1): Likewise.
1289 * calls.c (rtx_for_function_call): Likewise.
1291 * varasm.c (assemble_external): Assert this function is only called
1292 during or after expanding to RTL.
1294 2012-03-26 Martin Jambor <mjambor@suse.cz>
1296 PR tree-optimization/50052
1297 * tree-sra.c (tree_non_aligned_mem_p): Removed.
1298 (tree_non_aligned_mem_for_access_p): Likewise.
1299 (build_accesses_from_assign): Removed strict alignment requirements
1301 (access_precludes_ipa_sra_p): Likewise.
1303 2012-03-26 Richard Guenther <rguenther@suse.de>
1305 PR tree-optimization/52701
1306 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
1307 compute and set the evolution part of PHI nodes.
1309 2012-03-26 Richard Guenther <rguenther@suse.de>
1311 PR tree-optimization/52721
1312 * tree-vect-stmts.c (vect_init_vector): Handle scalars.
1314 2012-03-26 Ulrich Weigand <ulrich.weigand@linaro.org>
1316 PR tree-optimization/52686
1317 * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Handle
1320 2012-03-26 Tristan Gingold <gingold@adacore.com>
1322 * config/alpha/vms.h (LINK_SPEC): Simplify.
1323 (STARTFILE_SPEC): Remove -mvms-return-codes handling.
1324 (NAME__MAIN, SYMBOL__MAIN): Remove.
1325 (VMS_DEBUG_MAIN_POINTER): Remove.
1326 * config/ia64/vms.h: Likewise.
1327 * config/alpha/alpha.c (alpha_start_function): Move vms_debug_main
1328 code to vms.c. Call vms_start_function.
1329 * config/ia64/ia64.c (ia64_start_function): Likewise.
1330 * config/vms/vms-protos.h (vms_start_function): Declare.
1331 * config/vms/vms.c (vms_start_function): New function.
1332 * config/vms/vms.h (MATH_LIBRARY): Define.
1333 (VMS_DEBUG_MAIN_POINTER): Define.
1335 2012-03-26 Eric Botcazou <ebotcazou@adacore.com>
1337 PR rtl-optimization/52629
1338 * reload1.c (count_pseudo): Short-circuit common case.
1339 (count_spilled_pseudo): Return early for pseudos without hard regs.
1340 Assert that the pseudo has got a hard reg before manipulating it.
1342 2012-03-24 Jan Hubicka <jh@suse.cz>
1345 * varpool.c (varpool_finalize_decl): Handle toplevel_reorder here.
1346 (decide_is_variable_needed): Do not handle toplevel reorder here.
1347 * cgraph.h (varpool_can_remove_if_no_refs): Likewise.
1348 * ipa.c (cgraph_remove_unreachable_nodes): Remove unreachable vars
1351 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
1353 * expr.c (optimize_bitfield_assignment_op) <BIT_IOR_EXPR>: Use str_mode
1354 and str_bitsize instead of more convoluted expressions.
1356 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
1359 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
1361 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
1364 * config/sparc/sparc.c (sparc_handle_vis_mul8x16): Fix pasto.
1366 2012-03-23 Martin Jambor <mjambor@suse.cz>
1368 * tree-sra.c (build_accesses_from_assign): Remove FIXME comment.
1370 2012-03-23 Richard Guenther <rguenther@suse.de>
1372 PR tree-optimization/52678
1373 * tree-vectorizer.h (struct _stmt_vec_info): Add
1374 loop_phi_evolution_part member.
1375 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
1376 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
1377 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
1378 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
1379 Use the cached evolution part and the PHI nodes value from
1380 the loop preheader edge instead of re-analyzing the evolution.
1382 2012-03-22 Maxim Kuvyrkov <maxim@codesourcery.com>
1384 * config/mips/mips-tables.opt: Update.
1385 * config/mips/mips.md (processor): Add xlp.
1386 * config/mips/mips-cpus.def: Add xlp.
1387 * config/mips/mips.c (mips_rtx_cost_data): Add costs for XLP, copy from
1389 * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Handle xlp.
1390 * doc/invoke.texi: Mention XLP.
1392 2012-03-22 Jakub Jelinek <jakub@redhat.com>
1395 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
1396 on any new_local_var_chain vars declared during recursing on
1397 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
1399 2012-03-22 Uros Bizjak <ubizjak@gmail.com>
1401 * config/alpha/alpha.h (ASM_OUTPUT_ALIGN): Move to config/alpha/elf.h
1402 (ASM_OUTPUT_SKIP): Move to config/alpha/vms.h
1403 (ASM_OUTPUT_LOCAL): Ditto.
1404 (ASM_OUTPUT_COMMON): Remove.
1405 * config/alpha/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Use ASM_OUTPUT_DEF.
1406 * config/alpha/vms.h (ASM_OUTPUT_ALIGN): Do not undefine before define.
1408 2012-03-22 Jan Hubicka <jh@suse.cz>
1411 * cgraph.c (cgraph_remove_node_and_inline_clones): Add FORBIDDEN_NODE
1413 * cgraph.h (cgraph_remove_node_and_inline_clones): Update prototype.
1414 * ipa-inline-transform.c (save_inline_function_body): Remove
1415 copied clone if needed.
1416 * tree-inline.c (delete_unreachable_blocks_update_callgraph): Update.
1418 2012-03-22 Richard Guenther <rguenther@suse.de>
1421 * fold-const.c (fold_ternary_loc): Fix typo.
1423 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
1426 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
1427 (unspecv): Add UNSPECV_MEMORY_BARRIER.
1428 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
1429 (delay_cycles_1, delay_cycles_2): Ditto.
1430 (delay_cycles_3, delay_cycles_4): Ditto.
1431 (nopv, *nopv): Ditto.
1432 (sleep, *sleep): Ditto.
1435 2012-03-22 Richard Guenther <rguenther@suse.de>
1437 PR tree-optimization/52548
1438 * tree-ssa-pre.c (valid_in_sets): Remove handling of invalidation
1439 because of clobbers.
1440 (prune_clobbered_mems): New function.
1441 (compute_antic_aux): Use it to prune ANTIC_OUT.
1442 (compute_partial_antic_aux): Use it to prune PA_IN.
1443 (compute_avail): Only insert expressions into EXP_GEN that are not
1444 invalidated when translated up to the beginning of the block.
1446 2012-03-22 Richard Guenther <rguenther@suse.de>
1448 PR tree-optimization/52638
1449 * tree-vect-stmts.c (vect_init_vector_1): New function, split
1451 (vect_init_vector): ... here. Handle scalar vector inits.
1452 (vect_get_vec_def_for_operand): Adjust.
1453 (vectorizable_load): Likewise.
1455 2012-03-22 Uros Bizjak <ubizjak@gmail.com>
1457 * config.gcc (alpha*-*-linux*): Add elfos.h to tm_file.
1458 (alpha*-*-freebsd*): Ditto.
1459 (alpha*-*-netbsd*): Ditto.
1460 (alpha*-*-openbsd*): Ditto.
1461 * config/alpha/elf.h (OBJECT_FORMAT_ELF): Remove.
1462 (DWARF2_DEBUGGING_INFO): Remove.
1463 (PREFERRED_DEBUGGING_TYPE): Remove.
1464 (ASM_FINAL_SPEC): Remove.
1465 (IDENT_ASM_OP): Remove.
1466 (ASM_OUTPUT_IDENT): Remove.
1467 (SKIP_ASM_OP): Remove.
1468 (ASM_OUTPUT_SKIP): Remove.
1469 (ALIGN_ASM_OP): Remove.
1470 (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
1471 (ASM_OUTPUT_CASE_LABEL): Remove.
1472 (ASM_OUTPUT_EXTERNAL_LIBCALL): Remove.
1473 (COMMON_ASM_OP): Remove.
1474 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
1475 (ASCII_DATA_ASM_OP): Remove.
1476 (READONLY_DATA_SECTION_ASM_OP): Remove.
1477 (INIT_SECTION_ASM_OP): Remove.
1478 (FINI_SECTION_ASM_OP): Remove.
1479 (ASM_SECTION_START_OP): Remove.
1480 (ASM_OUTPUT_SECTION_START_FILE): Remove.
1481 (TARGET_ASM_NAMED_SECTION): Remove.
1482 (TARGET_ASM_SELECT_SECTION): Remove.
1483 (MAKE_DECL_ONE_ONLY): Remove.
1484 (TYPE_ASM_OP): Remove.
1485 (SIZE_ASM_OP): Remove.
1486 (ASM_WEAKEN_LABEL): Remove.
1487 (TYPE_OPERAND_FMT): Remove.
1488 (ASM_DECLARE_RESULT): Remove.
1489 (ASM_DECLARE_OBJECT_NAME): Remove.
1490 (ASM_FINISH_DECLARE_OBJECT): Remove.
1491 (ELF_ASCII_ESCAPES): Remove.
1492 (ELF_STRING_LIMIT): Remove.
1493 (STRING_ASM_OP): Remove.
1494 (ASM_OUTPUT_EXTERNAL): Remove.
1495 (TARGET_ASM_FILE_START_FILE_DIRECTIVE): Redefine to false.
1496 * config/alpha/alpha.h (PCC_BITFIELD_TYPE_MATTERS): Undefine
1498 (ASM_DECLARE_FUNCTION_NAME): Ditto.
1499 (ASM_DECLARE_FUNCTION_SIZE): Ditto.
1500 (ASM_GENERATE_INTERNAL_LABEL): Ditto.
1501 (ASM_OUTPUT_SKIP): Ditto.
1502 (READONLY_DATA_SECTION_ASM_OP): Remove.
1503 (USER_LABEL_PREFIX): Remove.
1504 (ASM_OUTPUT_ASCII): Remove.
1505 (ASM_OUTPUT_CASE_LABEL): Remove.
1506 (NO_DOLLAR_IN_LABEL): Undefine.
1508 2012-03-22 Richard Guenther <rguenther@suse.de>
1510 PR tree-optimization/52459
1511 * tree-ssa-pre.c (inhibit_phi_insertion): Do not inhibit
1512 PHI insertion for calls.
1514 2012-03-21 Steven Bosscher <steven@gcc.gnu.org>
1516 * cse.c (invalidate_from_sets_and_clobbers, try_back_substitute_reg,
1517 find_sets_in_insn, canonicalize_insn): Split out from ...
1518 (cse_insn): ... here.
1519 (invalidate_from_clobbers): Take an insn instead of the pattern.
1521 2012-03-21 Oleg Endo <olegendo@gcc.gnu.org>
1524 * config/sh/sh-protos.h (sh_fsca_df2int): Remove.
1525 * config/sh/sh.c (sh_fsca_df2int_rtx, sh_fsca_df2int): Remove.
1526 * config/sh/sh.md (sindf2, cosdf2): Remove.
1528 2012-03-21 Kaz Kojima <kkojima@gcc.gnu.org>
1531 * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
1532 prologue for unwinder and profiler.
1534 2012-03-21 Andreas Tobler <andreast@fgznet.ch>
1536 * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
1537 Introduce emul_name to select the right linker emulation for
1538 powerpc64-*-freebsd*.
1539 * configure: Regenerate.
1540 * config.gcc: Add bits to support powerpc64-*-freebsd*.
1541 * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
1542 * config/rs6000/freebsd64.h: New file.
1543 * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
1545 (rs6000_savres_strategy): Likewise.
1546 (rs6000_savres_routine_name): Likewise.
1547 (rs6000_elf_file_end): Likewise.
1548 * config/rs6000/t-freebsd64: New file.
1549 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
1550 rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
1552 * config/rs6000/freebsd64.h: Remove duplicated entries from last
1554 * config/rs6000/t-freebsd64: Likewise.
1556 2012-03-21 Georg-Johann Lay <avr@gjlay.de>
1558 PR rtl-optimization/52543
1560 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
1561 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
1562 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
1563 (avr_load_libgcc_p): Restrict to __flash loads.
1564 (avr_out_lpm): Only handle 1-byte loads from __flash.
1565 (avr_load_lpm): New function.
1566 (avr_find_unused_d_reg): Remove.
1567 (avr_out_lpm_no_lpmx): Remove.
1568 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
1569 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
1570 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
1571 (load_<mode>, load_<mode>_clobber): New insns.
1572 (mov<mode>): For multi-byte move from non-generic
1573 16-bit address spaces: Expand to load_<mode> resp.
1574 load_<mode>_clobber.
1575 (load<mode>_libgcc): Remove expander.
1576 (split-lpmx): Remove split.
1578 2012-03-21 Richard Earnshaw <rearnsha@arm.com>
1580 * neon.md (neon_vget_lanev2di): Use gen_lowpart and gen_highpart.
1581 * config/arm/neon.ml (Fixed_return_reg): Renamed to fixed_vector_reg.
1582 All callers changed.
1583 (Fixed_core_reg): New feature.
1584 (Vget_lane [sizes S64 and U64]): Add Fixed_core_reg. Allow fmrrd in
1586 * neon-testgen.ml: Handle Fixed_core_reg.
1588 2012-03-21 Andrew Stubbs <ams@codesourcery.com>
1590 * config/arm/arm.c (thumb2_reorg): Add complete support
1591 for 16-bit instructions.
1592 * config/arm/thumb2.md: Delete obsolete flag-clobbering peepholes.
1594 2012-03-21 Richard Guenther <rguenther@suse.de>
1596 PR tree-optimizer/52636
1597 * tree-vect-slp.c (vect_get_constant_vectors): Convert constants
1598 to the appropriate type.
1600 2012-03-21 Richard Guenther <rguenther@suse.de>
1602 * Makefile.in (cfgexpand.o): Add $(REGS_H) and $(INTEGRATE_H)
1604 * cfgexpand.c (gimple_expand_cfg): Fold in pass_init_function,
1605 pass_jump, pass_initial_value_sets and pass_unshare_all_rtl.
1606 * passes.c (init_optimization_passes): Remove pass_init_function,
1607 pass_jump, pass_initial_value_sets and pass_unshare_all_rtl.
1608 * tree-pass.h (pass_init_function): Remove.
1609 (pass_jump): Remove.
1610 (pass_initial_value_sets): Remove.
1611 (pass_unshare_all_rtl): Remove.
1612 * integrate.c (pass_initial_value_sets): Remove.
1613 * emit-rtl.c (pass_unshare_all_rtl): Remove.
1614 * tree.h (init_function_for_compilation): Remove.
1615 * function.c (init_function_for_compilation): Remove.
1616 (pass_init_function): Remove.
1617 * cfgcleanup.c (rest_of_handle_jump): Remove.
1618 (pass_jump): Remove.
1620 2012-03-20 Jason Merrill <jason@redhat.com>
1622 * tree-streamer-in.c (streamer_alloc_tree): Call
1623 ggc_alloc_zone_cleared_tree_node instead of
1624 ggc_alloc_zone_cleared_tree_node_stat.
1626 2012-03-20 Jonathan Wakely <jwakely.gcc@gmail.com>
1628 * doc/extend.texi (Template Instantiation): Remove anachronisms.
1630 2012-03-20 Jakub Jelinek <jakub@redhat.com>
1633 * config/i386/i386.c (expand_vec_perm_vperm2f128): New function.
1634 (ix86_expand_vec_perm_const_1): Call it.
1636 * config/i386/i386.c (vselect_insn): New variable.
1637 (init_vselect_insn): New function.
1638 (expand_vselect, expand_vselect_insn): Add testing_p argument.
1639 Call init_vselect_insn if vselect_insn is NULL. Adjust
1640 PATTERN (vselect_insn), instead of creating a new insn each time,
1641 only emit a copy of it if not testing and recog has been successful.
1642 (expand_vec_perm_pshufb, expand_vec_perm_1,
1643 expand_vec_perm_pshuflw_pshufhw, expand_vec_perm_broadcast_1): Adjust
1647 * config/i386/i386.md ("isa" attribute): Add avx2 and noavx2.
1648 ("enabled" attribute): Handle avx2 and noavx2 isas.
1649 * config/i386/sse.md (avx2_vec_dupv8sf_1, avx2_pbroadcast<mode>_1):
1651 (vec_dup<mode>): Add avx2 =x,x alternative.
1652 (vec_dup<mode> splitter): Don't split if TARGET_AVX2.
1653 (*avx_vperm_broadcast_<mode>): Don't split V4DFmode if TARGET_AVX2.
1654 For TARGET_AVX2, V8SFmode and elt == 0 split into vbroadcastss.
1655 * config/i386/i386.c (expand_vec_perm_pshufb): Emit also vpermps
1657 (expand_vec_perm_1): For broadcasts, use avx2_pbroadcast<mode>_1
1658 if possible, handle also V8SFmode.
1660 2012-03-20 Richard Earnshaw <rearnsha@arm.com>
1662 * arm/predicates.md (zero_operand, reg_or_zero_operand): New predicates.
1663 * arm/neon.md (neon_vceq<mode>, neon_vcge<mode>): Use
1664 reg_or_zero_operand predicate.
1665 (neon_vcle<mode>, neon_vclt<mode>): Use zero_operand predicate.
1667 2012-03-20 Jakub Jelinek <jakub@redhat.com>
1669 * config/i386/i386.c (ix86_decompose_address) <case ZERO_EXTEND>:
1670 If operand isn't UNSPEC, return 0.
1672 2012-03-20 Richard Guenther <rguenther@suse.de>
1674 * tree-pass.h (pass_rtl_eh): Remove.
1675 * except.c (gate_handle_eh): Likewise.
1676 (rest_of_handle_eh): Likewise.
1677 (pass_rtl_eh): Likewise.
1678 (finish_eh_generation): Export.
1679 * except.h (finish_eh_generation): Declare.
1680 * passes.c (init_optimization_passes): Remove pass_rtl_eh.
1681 * cfgexpand.c (gimple_expand_cfg): Call finish_eh_generation
1682 after expanding stack alignment. Instead of compacting blocks
1685 2012-03-20 Richard Guenther <rguenther@suse.de>
1687 * stor-layout.c (finish_bitfield_representative): Fallback
1688 to conservative maximum size if the padding up to the next
1689 field cannot be computed as a constant.
1690 (finish_bitfield_layout): If we cannot compute the distance
1691 between the start of the bitfield representative and the
1692 bitfield member start a new representative.
1693 * expr.c (get_bit_range): The distance between the start of
1694 the bitfield representative and the bitfield member is zero
1695 if the field offsets are not constants.
1697 2012-03-20 Tristan Gingold <gingold@adacore.com>
1699 * tree.h (enum size_type_kind): Add stk_ prefix to constants,
1700 convert in lowercase.
1701 (sizetype_tab, sizetype, bitsizetype, ssizetype, sbitsizetype)
1702 (size_int, ssize_int, bitsize_int, sbitsize_int): Adjust.
1703 * stor-layout.c (sizetype_tab): Adjust.
1704 (initialize_sizetypes): Use SIZETYPE instead of SIZE_TYPE.
1705 * tree-streamer.c (preload_common_nodes): Use stk_type_kind_last
1706 instead of type_kind_last.
1707 * tree-scalar-evolution.c (interpret_rhs_expr): Use size_int
1708 instead of size_int_kind.
1709 * doc/tm.texi.in (Type Layout): Document SIZETYPE.
1710 * doc/tm.texi: Regenerate.
1711 * defaults.h (SIZETYPE): Provide a default value.
1712 * config/vms/vms.h (SIZE_TYPE): Define as "unsigned int".
1715 2012-03-20 Oleg Endo <olegendo@gcc.gnu.org>
1717 * config/sh/sh.md: Use braced string notation where applicable.
1719 2012-03-19 Uros Bizjak <ubizjak@gmail.com>
1721 * config/i386/i386.md (allocate_stack): Simplify.
1723 2012-03-19 Uros Bizjak <ubizjak@gmail.com>
1725 * builtins.c (expand_builtin_cexpi): Use copy_addr_to_reg instead of
1726 copy_to_mode_reg (Pmode, ...).
1727 (expand_builtin_frame_address): Ditto.
1728 * expr.c (emit_block_move_via_libcall): Ditto.
1729 (set_storage_via_libcall): Ditto.
1731 * config/i386/i386.c (ix86_expand_movmem): Ditto.
1732 (ix86_expand_setmem): Ditto.
1733 (ix86_trampoline_init): DItto.
1734 * config/i386/i386.md (cmpstrnsi): Ditto.
1736 2012-03-19 Sandra Loosemore <sandra@codesourcery.com>
1738 * config/sh/sh.opt (madjust-unroll): Mark as ignored/obsolete.
1739 * config/sh/sh.h (TARGET_OPT_DEFAULT): Don't use MASK_ADJUST_UNROLL.
1740 * doc/invoke.texi (Option Summary): Remove -madjust-unroll.
1741 (SH Options): Likewise.
1743 2012-03-19 Uros Bizjak <ubizjak@gmail.com>
1745 * config/i386/i386.c (get_thread_pointer): Add tp_mode argument.
1746 Generate ZERO_EXTEND in place if GET_MODE (tp) != tp_mode.
1747 (legitimize_tls_address) <TLS_MODEL_INITIAL_EXEC>: Always generate
1748 DImode UNSPEC_GOTNTPOFF references on TARGET_64BIT.
1749 (ix86_decompose_address): Allow zero extended UNSPEC_TP references.
1752 2012-03-13 Uros Bizjak <ubizjak@gmail.com>
1754 * config/i386/i386.h (TARGET_TLS_INDIRECT_SEG_REFS): New.
1755 * config/i386/i386.c (ix86_decompose_address): Use
1756 TARGET_TLS_INDIRECT_SEG_REFS to prevent %fs:(%reg) addresses.
1757 (legitimize_tls_address): Use TARGET_TLS_INDIRECT_SEG_REFS to load
1758 thread pointer to a register.
1761 2012-03-10 H.J. Lu <hongjiu.lu@intel.com>
1763 * config/i386/i386.c (ix86_decompose_address): Disallow fs:(reg)
1764 if Pmode != word_mode.
1765 (legitimize_tls_address): Call gen_tls_initial_exec_x32 if
1766 Pmode == SImode for TARGET_X32.
1768 * config/i386/i386.md (UNSPEC_TLS_IE_X32): New.
1769 (tls_initial_exec_x32): Likewise.
1771 2012-03-19 Oleg Endo <olegendo@gcc.gnu.org>
1774 * config/sh/sh.h (CONST_OK_FOR_K04, CONST_OK_FOR_K12, DISP_ADDR_P,
1775 DISP_ADDR_OFFSET): New macros.
1776 * config/sh/sh.c (sh_address_cost): Add SH2A special case.
1777 (sh_legitimate_index_p): Allow QImode displacements for non-SH2A.
1778 (sh_legitimize_address): Add QImode displacement handling.
1779 (sh_cannot_change_mode_class): Disallow GENERAL_REGS for SFmode
1781 (sh_secondary_reload): Add QImode displacement handling.
1782 * config/sh/predicates.md (movsrc_no_disp_mem_operand): New predicate.
1783 * config/sh/constraints.md (K04, Snd, Sdd): New constraints.
1784 * config/sh/sh.md (extendqisi2): Remove constraints from expander.
1785 (*extendqisi2_compact): Rename to *extendqisi2_compact_reg, restrict
1786 to register operands only.
1787 (*extendqisi2_compact_mem_disp, *extendqisi2_compact_snd): New insns.
1788 (extendqihi2): Change insn to expander.
1789 (*extendqihi2_compact_reg): New insn.
1790 (movqi_i, movqi): Replace with ...
1791 (movqi, *movqi_reg_reg, *movqi_store_mem_disp12,
1792 *movqi_load_mem_disp, *movqi_load_mem_disp): ... these.
1793 Add new peepholes for QImode displacement addressing.
1795 2012-03-19 Paolo Carlini <paolo.carlini@oracle.com>
1798 * doc/invoke.texi: Document -Wuseless-cast.
1800 2012-03-19 Eric Botcazou <ebotcazou@adacore.com>
1802 * tree.def (REALPART_EXPR, IMAGPART_EXPR, VIEW_CONVERT_EXPR): Move.
1803 * tree.h (handled_component_p): Reorder cases.
1804 * dwarf2out.c (loc_list_for_address_of_addr_expr_of_indirect_ref): Do
1805 not initialize unsignedp.
1806 (loc_list_from_tree): Likewise.
1807 (fortran_common): Likewise.
1808 * simplify-rtx.c (delegitimize_mem_from_attrs): Likewise.
1810 2012-03-19 Uros Bizjak <ubizjak@gmail.com>
1812 * config/i386/i386.c (ix86_expand_prologue) <CM_LARGE_PIC>: Use Pmode
1813 mode consistently. Use ix86_gen_add3. Assert that Pmode == DImode.
1814 (ix86_expand_split_stack_prologue): Use ix86_gen_add3.
1815 (ix86_split_long_move): Ditto.
1816 (legitimize_tls_address): Use ix86_gen_sub3.
1817 (construct_plt_address): Assert that Pmode == DImode.
1819 2012-03-18 Uros Bizjak <ubizjak@gmail.com>
1821 * config/i386/i386.md: Remove empty predicates and/or constraints.
1822 * config/i386/sync.md: Ditto.
1823 * config/i386/sse.md: Ditto.
1824 * config/i386/mmx.md: Ditto.
1825 * config/i386/pentium.md: Ditto.
1826 * config/i386/athlon.md: Ditto.
1828 2012-03-16 Richard Guenther <rguenther@suse.de>
1830 PR tree-optimization/52603
1831 * tree-vect-data-refs.c (vect_can_force_dr_alignment_p): Clarify
1835 2012-03-14 Richard Guenther <rguenther@suse.de>
1837 PR tree-optimization/52571
1838 * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Move
1839 flag_section_anchors check ...
1840 (vect_can_force_dr_alignment_p): ... here.
1842 2012-03-16 Martin Jambor <mjambor@suse.cz>
1844 * expr.c (expand_expr_real_1): Handle misaligned scalar reads from
1845 memory through MEM_REFs by calling extract_bit_field.
1847 2012-03-16 Richard Guenther <rguenther@suse.de>
1849 * fold-const.c (native_interpret_expr): Also support POINTER_TYPE
1850 and REFERENCE_TYPE interpretations.
1851 (can_native_interpret_type_p): New function.
1852 (fold_ternary_loc): Use native encode/interpret to fold
1853 BIT_FIELD_REFs of constants.
1855 2012-03-16 Richard Guenther <rguenther@suse.de>
1858 * fold-const.c (fold_ternary_loc): Fold vector typed BIT_FIELD_REFs
1859 of vector constants and constructors.
1861 2012-03-16 Richard Guenther <rguenther@suse.de>
1863 * tree-vect-stmts.c (vect_get_vec_def_for_operand): Use
1864 VIEW_CONVERT_EXPR to convert constants.
1865 (vect_is_simple_use): Treat all constants as vec_constant_def.
1867 2012-03-16 Richard Guenther <rguenther@suse.de>
1868 Kai Tietz <ktietz@redhat.com>
1871 * gimplify.c (gimplify_self_mod_expr): Evaluate postfix
1872 side-effects completely in the pre-queue and use a temporary
1875 2012-03-16 Richard Guenther <rguenther@suse.de>
1877 * stor-layout.c (finish_bitfield_representative): Fall back
1878 to the conservative maximum size if we cannot compute the
1879 size of the tail padding.
1881 2012-03-16 Tristan Gingold <gingold@adacore.com>
1883 * config/vms/vms.h (TARGET_OS_CPP_BUILTINS): Define
1884 __CRTL_VER and __VMS_VER.
1885 * config/vms/vms-protos.h: Declare vms_c_get_crtl_ver
1886 and vms_c_get_vms_ver.
1887 * config/vms/vms-c.c (vms_c_get_crtl_ver, vms_c_get_vms_ver): New
1889 * config/alpha/vms.h (VMS_DEFAULT_CRTL_VER)
1890 (VMS_DEFAULT_VMS_VER): Define.
1891 * config/ia64/vms.h (VMS_DEFAULT_CRTL_VER)
1892 (VMS_DEFAULT_VMS_VER): Define.
1894 2012-03-16 Richard Guenther <rguenther@suse.de>
1896 * tree-vect-loop.c (get_initial_def_for_induction): Use
1897 build_constructor directly.
1898 * tree-vect-stmts.c (vect_get_vec_def_for_operand): Use
1899 build_vector_from_val.
1900 * tree.c (build_vector_from_val): Avoid creating a constructor
1901 first when we want a constant vector.
1903 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1905 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
1907 2012-03-16 Richard Guenther <rguenther@suse.de>
1909 * tree.h (TREE_VECTOR_CST_ELTS): Remove.
1910 (VECTOR_CST_NELTS, VECTOR_CST_ELTS, VECTOR_CST_ELT): New defines.
1911 (struct tree_vector): Remove elements member, add variable size
1913 (build_vector_stat): Declare.
1914 (build_vector): Define in terms of build_vector_stat.
1915 * tree.c (build_vector): Rename to ...
1916 (build_vector_stat): ... this. Take array of trees as parameter.
1917 (build_vector_from_ctor): Adjust.
1918 (integer_zerop, integer_onep, integer_all_onesp, iterative_hash_expr,
1919 initializer_zerop): Adjust.
1920 * cfgexpand.c (expand_debug_expr): Likewise.
1921 * expr.c (categorize_ctor_elements_1, expand_expr_real_1,
1922 const_vector_from_tree): Likewise.
1923 * fold-const.c (const_binop, operand_equal_p, native_encode_vector,
1924 native_interpret_vector, fold_unary_loc, vec_cst_ctor_to_array,
1925 fold_vec_perm, fold_binary_loc, fold_ternary_loc): Likewise.
1926 * tree-streamer-in.c (streamer_alloc_tree): Handle TS_VECTOR.
1927 (lto_input_ts_vector_tree_pointers): Adjust.
1928 * tree-streamer-out.c (streamer_write_tree_header): Handle TS_VECTOR.
1929 (write_ts_vector_tree_pointers): Adjust.
1930 * varasm.c (const_hash_1, compare_constant, copy_constant,
1931 output_constant): Adjust.
1932 * gimple-fold.c (gimple_fold_stmt_to_constant_1): Adjust.
1933 * print-tree.c (print_node): Adjust.
1934 * tree-pretty-print.c (dump_generic_node): Adjust.
1935 * tree-vect-generic.c (uniform_vector_p, vector_element,
1936 lower_vec_perm): Adjust.
1937 * tree-vect-loop.c (get_initial_def_for_reduction): Adjust.
1938 * tree-vect-slp.c (vect_get_constant_vectors,
1939 vect_transform_slp_perm_load): Adjust.
1940 * tree-vect-stmts.c (vect_gen_perm_mask): Adjust.
1941 * expmed.c (make_tree): Adjust.
1942 * config/i386/i386.c (ix86_expand_builtin): Adjust.
1943 * config/sparc/sparc.c (sparc_handle_vis_mul8x16): Adjust interface
1945 (sparc_fold_builtin): Adjust.
1947 2012-03-16 Tristan Gingold <gingold@adacore.com>
1949 * config.gcc (*-*-*vms*): Define use_gcc_stdint and tm_file.
1950 * config/vms/vms-stdint.h: New file.
1952 2012-03-16 Tristan Gingold <gingold@adacore.com>
1954 * config.host (alpha64-dec-*vms*, alpha*-dec-*vms*)
1955 (ia64-hp-*vms*): Replaced by ...
1956 (*-*-*vms*): ... This new entry.
1958 2012-03-15 Jakub Jelinek <jakub@redhat.com>
1961 * config/i386/i386.c (expand_vec_perm_vperm2f128_vblend): New function.
1962 (ix86_expand_vec_perm_const_1): Use it.
1965 * config/i386/sse.md (UNSPEC_VPERMDF): Remove.
1966 (avx2_permv4df): Remove.
1967 (avx2_permv4di): Macroize into...
1968 (avx2_perm<mode>): ... this using VI8F_256 iterator.
1969 (avx2_permv4di_1): Macroize into...
1970 (avx2_perm<mode>_1): ... this using VI8F_256 iterator.
1972 2012-03-15 Ulrich Weigand <ulrich.weigand@linaro.org>
1974 * combine.c (apply_distributive_law): Do not distribute SUBREG.
1976 2012-03-15 Ira Rosen <irar@il.ibm.com>
1977 Ulrich Weigand <ulrich.weigand@linaro.org>
1979 * tree-vect-patterns.c (widened_name_p): Rename to ...
1980 (type_conversion_p): ... this. Add new argument to determine
1981 if it's a promotion or demotion operation. Check for
1982 CONVERT_EXPR_CODE_P instead of NOP_EXPR.
1983 (vect_recog_dot_prod_pattern): Call type_conversion_p instead
1985 (vect_recog_widen_mult_pattern, vect_recog_widen_sum_pattern,
1986 vect_operation_fits_smaller_type, vect_recog_widen_shift_pattern):
1988 (vect_recog_mixed_size_cond_pattern): Likewise and allow
1989 non-constant then and else clauses.
1991 2012-03-15 Ira Rosen <irar@il.ibm.com>
1992 Ulrich Weigand <ulrich.weigand@linaro.org>
1994 * tree-vectorizer.h (vect_pattern_recog): Add new argument.
1995 * tree-vect-loop.c (vect_analyze_loop_2): Update call to
1997 * tree-vect-patterns.c (widened_name_p): Pass basic block
1998 info to vect_is_simple_use.
1999 (vect_recog_dot_prod_pattern): Fail for basic blocks.
2000 (vect_recog_widen_sum_pattern): Likewise.
2001 (vect_handle_widen_op_by_const): Support basic blocks.
2002 (vect_operation_fits_smaller_type,
2003 vect_recog_over_widening_pattern): Likewise.
2004 (vect_recog_vector_vector_shift_pattern): Support basic blocks.
2005 Update call to vect_is_simple_use.
2006 (vect_recog_mixed_size_cond_pattern): Support basic blocks.
2008 (check_bool_pattern): Add an argument, update call to
2009 vect_is_simple_use and the recursive calls.
2010 (vect_recog_bool_pattern): Update relevant function calls.
2012 (vect_mark_pattern_stmts): Update calls to new_stmt_vec_info.
2013 (vect_pattern_recog_1): Check for reduction only in loops.
2014 (vect_pattern_recog): Add new argument. Support basic blocks.
2015 * tree-vect-stmts.c (vectorizable_conversion): Pass basic block
2016 info to vect_is_simple_use_1.
2017 * tree-vect-slp.c (vect_get_and_check_slp_defs): Support basic blocks.
2018 (vect_slp_analyze_bb_1): Call vect_pattern_recog.
2020 2012-03-15 Jakub Jelinek <jakub@redhat.com>
2021 Andrew Pinski <apinski@cavium.com>
2024 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
2025 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
2026 calls instead of __builtin_ir{int,ound}*.
2028 2012-03-15 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2030 * doc/sourcebuild.texi (cleanup-modules, keep-modules): Update
2033 2012-03-15 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2035 * config.gcc (target_type_format_char): New. Document it. Set it for
2037 * configure.ac (gnu_unique_option): Use target_type_format_char
2038 in test. Comment rationale.
2039 * configure: Regenerate .
2041 2012-03-15 Jakub Jelinek <jakub@redhat.com>
2043 PR tree-optimization/52267
2044 * tree-vrp.c (masked_increment): New function.
2045 (register_edge_assert_for_2): Derive ASSERT_EXPRs
2046 from (X & CST1) cmp CST2 tests.
2048 2012-03-15 Richard Guenther <rguenther@suse.de>
2051 * tree-data-ref.c (subscript_dependence_tester_1): Check
2052 all dimensions for non-conflicting access functions.
2054 2012-03-15 Manuel López-Ibáñez <manu@gcc.gnu.org>
2057 * doc/invoke.texi [C++ Language Options]: Document
2058 -ftemplate-backtrace-limit.
2060 2012-03-15 Tristan Gingold <gingold@adacore.com>
2062 * c-parser.c (c_parser_parameter_declaration): Handle #pragma
2065 2012-03-15 Tristan Gingold <gingold@adacore.com>
2067 * dwarf2out.c (gen_subprogram_die): Require dwarf unwinding to
2068 use DW_OP_call_frame_cfa.
2070 2012-03-14 H.J. Lu <hongjiu.lu@intel.com>
2073 * config/i386/i386-opts.h (pmode): New.
2075 * config/i386/i386.c (ix86_option_override_internal): Properly
2076 check and set ix86_pmode.
2078 * config/i386/i386.h (Pmode): Check ix86_pmode instead of TARGET_64BIT.
2080 * config/i386/i386.opt (maddress-mode=): New.
2082 * doc/invoke.texi: Document -maddress-mode=short|long for x86.
2084 2012-03-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2086 * dwarf2cfi.c (def_cfa_0): Remove MIPS_DEBUGGING_INFO handling.
2087 (dwarf2out_do_cfi_asm): Likewise.
2088 * dwarf2out.c (output_call_frame_info): Remove MIPS_DEBUGGING_INFO
2090 (add_data_member_location_attribute): Likewise.
2091 (gen_array_type_die): Likewise.
2092 (gen_subprogram_die): Likewise.
2093 (gen_producer_string): Likewise.
2094 * sdbout.c (sdbout_begin_prologue): Declare unconditionally.
2095 Remove MIPS_DEBUGGING_INFO handling.
2096 (sdb_debug_hooks): Likewise.
2097 (sdbout_begin_block): Likewise.
2098 (sdbout_end_block): Likewise.
2099 (sdbout_begin_prologue): Likewise.
2100 (sdbout_start_source_file): Likewise.
2101 (sdbout_end_source_file): Likewise.
2102 (sdbout_init): Likewise.
2103 * system.h (MIPS_DEBUGGING_INFO): Poison.
2105 2012-03-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2107 * config/alpha/alpha.c [HAVE_STAMP_H]: Remove.
2108 (alpha_file_start) [MS_STAMP]: Remove.
2110 * config/alpha/elf.h (TARGET_GAS): Remove.
2111 * config/alpha/freebsd.h (TARGET_DEFAULT): Remove.
2112 * config/alpha/linux.h (TARGET_DEFAULT): Remove.
2113 * config/alpha/netbsd.h (TARGET_DEFAULT): Remove.
2114 * config/alpha/vms.h (TARGET_DEFAULT): Remove.
2115 * config.gcc (alpha*-*-linux*): Remove target_cpu_default.
2116 (alpha*-*-freebsd*): Likewise.
2117 (alpha*-*-netbsd*): Likewise.
2118 (alpha*-*-openbsd*): Likewise.
2119 (alpha*-*-*): Remove target_cpu_default2.
2120 * config/alpha/alpha.c (alpha_output_filename): Remove !TARGET_GAS
2122 * config/alpha/alpha.h (TARGET_AS_CAN_SUBTRACT_LABELS): Remove.
2123 (TARGET_AS_SLASH_BEFORE_SUFFIX): Remove.
2124 * config/alpha/alpha.c (print_operand): Always assume
2125 TARGET_AS_SLASH_BEFORE_SUFFIX.
2126 * config/alpha/alpha.md ("*builtin_setjmp_receiver_er_sl_1"):
2127 Remove TARGET_AS_CAN_SUBTRACT_LABELS.
2128 ("*builtin_setjmp_receiver_er_1"): Remove.
2129 * config/alpha/alpha.opt (malpha-as): Remove.
2131 * doc/invoke.texi (Option Summary, DEC Alpha Options): Remove
2133 Remove DEC Unix reference.
2135 * config/alpha/alpha.h (OBJECT_FORMAT_COFF): Remove.
2136 (EXTENDED_COFF): Remove.
2137 * config/alpha/elf.h (OBJECT_FORMAT_COFF): Don't undef.
2138 (EXTENDED_COFF): Don't undef.
2139 * config/alpha/alpha.c (alpha_file_start): Always assume
2141 Don't set targetm.asm_file_start_file_directive.
2142 [!OBJECT_FORMAT_ELF]: Remove.
2143 (TARGET_ASM_FILE_START_FILE_DIRECTIVE): Remove.
2145 * config/alpha/alpha.h (SDB_DEBUGGING_INFO): Remove.
2146 (DBX_DEBUGGING_INFO): Remove.
2147 (MIPS_DEBUGGING_INFO): Remove.
2148 (PREFERRED_DEBUGGING_TYPE): Remove.
2149 (DBX_OUTPUT_SOURCE_LINE): Remove.
2150 (SDB_OUTPUT_SOURCE_LINE): Remove.
2151 (DBX_CONTIN_LENGTH): Remove.
2152 (NO_DBX_FUNCTION_END): Remove.
2153 (ASM_STABS_OP): Remove.
2154 (ASM_STABN_OP): Remove.
2155 (ASM_STABD_OP): Remove.
2156 (SDB_ALLOW_FORWARD_REFERENCES): Remove.
2157 (SDB_ALLOW_UNKNOWN_REFERENCES): Remove.
2158 (PUT_SDB_DEF): Remove.
2159 (PUT_SDB_PLAIN_DEF): Remove.
2160 (PUT_SDB_TYPE): Remove.
2161 (sdb_label_count): Remove.
2162 (PUT_SDB_BLOCK_START): Remove.
2163 (PUT_SDB_BLOCK_END): Remove.
2164 (PUT_SDB_FUNCTION_START): Remove.
2165 (PUT_SDB_FUNCTION_END): Remove.
2166 (PUT_SDB_EPILOGUE_END): Remove.
2167 * config/alpha/elf.h (SDB_DEBUGGING_INFO): Don't undef.
2168 (MIPS_DEBUGGING_INFO): Don't undef.
2169 (DBX_DEBUGGING_INFO): Don't undef.
2170 * config/alpha/vms.h (SDB_DEBUGGING_INFO): Don't undef.
2171 (MIPS_DEBUGGING_INFO): Don't undef.
2172 (DBX_DEBUGGING_INFO): Don't undef.
2173 * config/alpha/freebsd.h (DBX_CONTIN_CHAR): Remove.
2174 * config/alpha/alpha.c (alpha_option_override): Remove SDB_DEBUG
2176 (alpha_start_function): Likewise.
2177 (sdb_label_count): Remove.
2178 (alpha_output_filename): Remove DBX_DEBUG handling.
2179 (alpha_file_start): Likewise.
2181 2012-03-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2183 * config.gcc (enable_obsolete): Remove *-*-solaris2.8*.
2184 (*-*-solaris2.[0-8], *-*-solaris2.[0-8].*): Mark unsupported.
2185 (i[34567]86-*-solaris2*, x86_64-*-solaris2.1[0-9]*): Remove
2187 * configure.ac (gcc_cv_ld_hidden): Remove *-*-solaris2.8*.
2188 (ld_tls_support): Remove Solaris 8 references.
2189 (lwp_dir, lwp_spec): Remove support for alternate thread library.
2190 * acinclude.m4 (gcc_cv_initfini_array): Remove *-*-solaris2.* tests.
2191 * configure: Regenerate.
2192 * config.in: Regenerate.
2194 * config/sol2.h (LINK_SPEC): Remove LIB_THREAD_LDFLAGS_SPEC.
2195 * config/i386/sol2.h: Remove Solaris 8 references.
2197 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Rename to ...
2198 (i?86-*-solaris2.9): ... this.
2199 Remove Solaris 8 references.
2200 (Specific, *-*-solaris2*): Document Solaris 8 removal.
2201 Remove Solaris 8 references.
2203 2012-03-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2205 * config.gcc (enable_obsolete): Remove mips-sgi-irix6.5.
2206 (mips-sgi-irix6.5*): Remove.
2207 * config.host (mips-sgi-irix*): Remove.
2208 * configure.ac (enable_fixed_point): Remove mips*-sgi-irix*.
2209 (set_have_as_tls): Remove *-*-irix6*.
2210 (gcc_cv_ld_static_dynamic): Remove mips-sgi-irix6*.
2211 * configure: Regenerate.
2213 * config/mips/iris6.h: Remove.
2214 * config/mips/iris6.opt: Remove.
2215 * config/mips/t-irix6: Remove.
2217 * config/mips/mips.h (TARGET_GPWORD): Remove IRIX 6 N64 handling.
2218 (TARGET_IRIX6): Remove.
2219 (TARGET_CPU_CPP_BUILTINS): Remove IRIX 6 handling.
2220 Don't define LANGUAGE_C, _LANGUAGE_C for Objective-C.
2221 * config/mips/mips.c (mips_build_builtin_va_list): Remove IRIX 6
2223 (mips_file_start): Likewise.
2224 * config/mips/mips-protos.h (irix_asm_output_align): Remove.
2226 * config/mips/driver-native.c [__sgi__]: Remove.
2227 (host_detect_local_cpu) [__sgi__]: Remove.
2229 * config/mips/gnu-user.h: Remove iris5.h reference.
2231 * config/mips/mips-modes.def: Remove IRIX 6 reference.
2232 * config/mips/gnu-user64.h (MIPS_TFMODE_FORMAT): Remove.
2233 * config/mips/mips.c (mips_option_override) [MIPS_TFMODE_FORMAT]:
2236 * gcc.c (main): Move asm_debug initialization ...
2237 (asm_debug): ... here.
2239 * ginclude/stddef.h (__STDDEF_H__): Don't define.
2241 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): Remove.
2242 * system.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): Poison.
2243 * collect2.c [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES]: Remove.
2244 (main) [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES]: Remove.
2245 [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES] (is_in_args): Remove.
2246 * doc/tm.texi.in (Driver, LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
2248 * doc/tm.texi: Regenerate.
2250 * doc/invoke.texi (Debugging Options, -gdwarf-<version>): Remove
2252 (MIPS Options, -march): Remove IRIX reference.
2253 * doc/install.texi (Binaries, SGI IRIX): Remove.
2254 (Specific, mips-sgi-irix6): Document IRIX 6.5 removal, remove rest
2256 * doc/trouble.texi (Interoperation): Remove -lgl_s handling.
2258 2012-03-14 Martin Jambor <mjambor@suse.cz>
2260 * expr.c (expand_assignment): Use expand_expr with EXPAND_WRITE
2261 when expanding MEM_REFs, MEM_TARGET_REFs and handled_component bases.
2262 (expand_expr_real_1): Do not handle misalignment if modifier is
2265 2012-03-14 Richard Guenther <rguenther@suse.de>
2268 * tree-vect-generic.c (type_for_widest_vector_mode): Take
2269 element type instead of mode, use build_vector_type_for_mode
2270 instead of the langhook, build a vector of proper signedness.
2271 (expand_vector_operations_1): Adjust.
2273 2012-03-14 Richard Guenther <rguenther@suse.de>
2276 * gimple-fold.c (canonicalize_constructor_val): Make sure we have
2277 a cgraph node for a FUNCTION_DECL that comes from a constructor.
2278 (gimple_get_virt_method_for_binfo): Likewise.
2280 2012-03-14 Richard Guenther <rguenther@suse.de>
2282 PR tree-optimization/52571
2283 * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Move
2284 flag_section_anchors check ...
2285 (vect_can_force_dr_alignment_p): ... here. Do not re-align
2286 DECL_COMMON variables.
2288 2012-03-14 Richard Guenther <rguenther@suse.de>
2290 * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
2291 * stor-layout.c (start_bitfield_representative): New function.
2292 (finish_bitfield_representative): Likewise.
2293 (finish_bitfield_layout): Likewise.
2294 (finish_record_layout): Call finish_bitfield_layout.
2295 * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
2296 for QUAL_UNION_TYPE fields.
2297 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2298 Stream DECL_BIT_FIELD_REPRESENTATIVE.
2299 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2304 * expr.c (get_bit_range): Unconditionally extract bitrange
2305 from DECL_BIT_FIELD_REPRESENTATIVE.
2306 (expand_assignment): Adjust call to get_bit_range.
2308 2012-03-14 Richard Guenther <rguenther@suse.de>
2311 * fold-const.c (fold_unary_loc): Fold (T1)(T2)x to (T1)x if
2312 the outermost conversion is a sign-change only.
2313 (fold_binary_loc): Disregard widening and sign-changing
2314 conversions when we determine if two variables are equal
2316 * tree-ssa-forwprop.c (combine_conversions): Fold (T1)(T2)x to
2317 (T1)x if the outermost conversion is a sign-change only.
2319 2012-03-14 Uros Bizjak <ubizjak@gmail.com>
2322 2012-03-14 Uros Bizjak <ubizjak@gmail.com>
2324 * config/i386/predicates.md (constant_call_address_operand): Declare
2325 as special predicate. Update all uses.
2327 2012-03-13 Jakub Jelinek <jakub@redhat.com>
2330 * c-parser.c (c_parser_postfix_expression)
2331 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
2333 * config/i386/smmintrin.h: Avoid /* within a comment.
2334 * config/i386/nmmintrin.h: Likewise.
2336 2012-03-13 Uros Bizjak <ubizjak@gmail.com>
2338 * config/i386/i386.md (xbegin): Remove constraint from expander.
2340 2012-03-13 Uros Bizjak <ubizjak@gmail.com>
2342 * config/i386/predicates.md (constant_call_address_operand): Declare
2343 as special predicate. Update all uses.
2344 * config/i386/i386.md: Remove mode from constant_call_address_operand
2346 * config/i386/i386.c (ix86_output_call_insn): Call
2347 constant_call_address_operand with VOIDmode.
2349 2012-03-13 Uros Bizjak <ubizjak@gmail.com>
2351 * config/i386/i386.c (ix86_decompose_address): Handle subregs of
2352 AND zero extended address correctly.
2354 2012-03-13 Uros Bizjak <ubizjak@gmail.com>
2356 * config/i386/predicates.md (tls_symbolic_operand): Declare as
2358 (tls_modbase_operand): Ditto.
2359 * config/i386/i386.md: Remove mode from tls_symbolic_operand and
2360 tls_modbase_operand predicates.
2362 2012-03-13 Martin Jambor <mjambor@suse.cz>
2364 * expr.c (expand_assignment): Handle misaligned scalar writes to
2365 memory through top-level MEM_REFs by calling store_bit_field.
2367 2012-03-13 Richard Guenther <rguenther@suse.de>
2370 * fold-const.c (fold_binary_loc): Fold (X * Y) & -(1 << CST) to X * Y
2371 if Y is a constant multiple of 1 << CST.
2373 2012-03-13 Georg-Johann Lay <avr@gjlay.de>
2376 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
2377 offset (size) to a value the insns can deal with.
2378 (expand_epilogue): Ditto.
2380 2012-03-13 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2382 * config/arm/neon.ml (ops): Fixup expected instructions for
2383 unsigned vector compares.
2385 2012-03-13 Uros Bizjak <ubizjak@gmail.com>
2387 * config/i386/i386.c (ix86_decompose_address): Prevent %fs:(%reg)
2388 addresses only when %reg is not in word mode.
2390 2012-03-13 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2392 * config/microblaze/microblaze.md: Fix typo.
2393 * tree-if-conv.c: Likewise.
2394 * tree-vect-patterns.c: Likewise.
2396 2012-03-13 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2398 * config.gcc (extra_passes): Remove.
2399 * configure.ac (extra_passes): Don't substitute.
2400 * configure: Regenerate.
2401 * Makefile.in (EXTRA_PASSES): Remove.
2402 (GCC_PASSES): Remove $(EXTRA_PASSES).
2403 (MOSTLYCLEANFILES): Likewise.
2405 (install-common): Likewise.
2407 2012-03-13 Uros Bizjak <ubizjak@gmail.com>
2409 * config/i386/i386.h (TARGET_TLS_INDIRECT_SEG_REFS): New.
2410 * config/i386/i386.c (ix86_decompose_address): Use
2411 TARGET_TLS_INDIRECT_SEG_REFS to prevent %fs:(%reg) addresses.
2412 (legitimize_tls_address): Use TARGET_TLS_INDIRECT_SEG_REFS to load
2413 thread pointer to a register.
2415 2012-03-12 H.J. Lu <hongjiu.lu@intel.com>
2417 * config/i386/i386.md (*tls_global_dynamic_64_<mode>): Remove :P
2418 on tls_symbolic_operand.
2419 (tls_global_dynamic_64_<mode>): Likewise.
2421 2012-03-12 Georg-Johann Lay <avr@gjlay.de>
2424 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
2425 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
2427 2012-03-12 Georg-Johann Lay <avr@gjlay.de>
2430 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
2431 type from reg_class_t to enum reg_class.
2432 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
2434 2012-03-12 Andrew Pinski <apinski@cavium.com>
2436 * tree-ssa-phiopt.c (single_non_singleton_phi_for_edges): New function.
2437 (tree_ssa_phiopt_worker): Use single_non_singleton_phi_for_edges.
2438 (value_replacement): Likewise.
2439 (empty_block_p): Check also if the PHIs for the block are empty.
2441 2012-03-12 Georg-Johann Lay <avr@gjlay.de>
2444 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
2445 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
2446 r184615 from 2012-02-28.
2448 2012-03-12 H.J. Lu <hongjiu.lu@intel.com>
2450 * config/i386/i386.c (ix86_gen_tls_global_dynamic_64): New.
2451 (ix86_gen_tls_local_dynamic_base_64): Likewise.
2452 (ix86_option_override_internal): Set ix86_gen_tls_global_dynamic_64
2453 and ix86_gen_tls_local_dynamic_base_64.
2454 (legitimize_tls_address): Use ix86_gen_tls_global_dynamic_64 and
2455 ix86_gen_tls_local_dynamic_base_64.
2457 * config/i386/i386.md (*tls_global_dynamic_64): Renamed to ...
2458 (*tls_global_dynamic_64_<mode>): This.
2459 (tls_global_dynamic_64): Renamed to ...
2460 (tls_global_dynamic_64_<mode>): This.
2461 (*tls_local_dynamic_base_64): Renamed to ...
2462 (*tls_local_dynamic_base_64_<mode>): This.
2463 (tls_local_dynamic_base_64): Renamed to ...
2464 (tls_local_dynamic_base_64_<mode>): This.
2466 2012-03-12 H.J. Lu <hongjiu.lu@intel.com>
2468 * config/i386/i386.c (ix86_option_override_internal): Properly
2469 set ix86_gen_leave and ix86_gen_monitor. Check Pmode == DImode,
2470 instead of TARGET_64BIT, to set ix86_gen_add3, ix86_gen_sub3,
2471 ix86_gen_one_cmpl2, ix86_gen_andsp, ix86_gen_allocate_stack_worker,
2472 ix86_gen_adjust_stack_and_probe and ix86_gen_probe_stack_range.
2474 * config/i386/sse.md (sse3_monitor64): Renamed to ...
2475 (sse3_monitor64_<mode>): This.
2477 2012-03-12 Tristan Gingold <gingold@adacore.com>
2479 * config/ia64/ia64.c (ia64_function_arg_1): Move code around.
2480 (ia64_function_arg_advance): Ditto.
2482 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2484 * config.gcc (mips*-*-openbsd*): Remove.
2485 * config/mips/openbsd.h: Remove.
2486 * config/mips/sdb.h: Remove.
2488 * config/mips/mips.h (SDB_OUTPUT_SOURCE_LINE): Remove.
2489 * config/mips/mips.c (sdb_label_count): Remove.
2490 (mips_debugger_offset): Remove #if 0 code.
2491 (mips_output_function_prologue) [SDB_DEBUGGING_INFO]: Remove.
2492 * config/mips/sde.h (SDB_DEBUGGING_INFO): Don't undef.
2494 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2496 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
2498 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
2499 Update binutils references.
2500 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
2501 Update binutils reference.
2502 Update Sun as/GNU ld caveat.
2503 Document binutils largefile requirement for LTO plugin.
2504 Remove reference to alternate libpthread.
2506 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2508 * config.gcc (alpha*-dec-osf5.1*): Remove.
2509 * config.host (alpha*-dec-osf*): Remove.
2510 * configure.ac (*-*-osf*): Remove.
2511 (alpha*-dec-osf*): Remove.
2512 * configure: Regenerate.
2514 * config/alpha/host-osf.c, config/alpha/osf5.h, config/alpha/osf5.opt,
2515 config/alpha/va_list.h, config/alpha/x-osf: Remove.
2517 * config/alpha/alpha.h (TARGET_LD_BUGGY_LDGP): Remove.
2518 * config/alpha/alpha.c (struct machine_function): Update comment.
2519 (alpha_start_function): Remove Tru64 UNIX as handling for
2521 * config/alpha/alpha.md ("exception_receiver"): Remove
2522 TARGET_LD_BUGGY_LDGP.
2523 ("*exception_receiver_2"): Likewise.
2524 * except.c (finish_eh_generation): Remove Tru64 reference.
2525 * ginclude/stdarg.h [_HIDDEN_VA_LIST]: Don't undef _VA_LIST.
2526 * system.h (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Poison.
2527 * target.def (handle_pragma_extern_prefix): Remove.
2529 * Makefile.in (mips-tfile.o-warn): Remove.
2530 (ALL_HOST_BACKEND_OBJS): Remove mips-tfile.o, mips-tdump.o.
2531 (mips-tfile, mips-tfile.o, mips-tdump, mips-tdump.o): Remove.
2532 * mips-tdump.c, mips-tfile.c: Remove.
2534 * doc/extend.texi (Symbol-Renaming Pragmas): Remove #pragma
2536 * doc/install.texi (Binaries): Remove Tru64 UNIX reference.
2537 (Specific, alpha*-dec-osf5.1): Note removal.
2538 * doc/tm.texi.in (Misc, TARGET_HANDLE_PRAGMA_EXTERN_PREFIX):
2540 * doc/tm.texi: Regenerate.
2541 * doc/trouble.texi (Cross-Compiler Problems): Remove.
2543 2012-03-12 Richard Guenther <rguenther@suse.de>
2545 * config/arm/arm.c (neon_dereference_pointer): Do not call
2546 covert during RTL expansion.
2548 2012-03-12 Tristan Gingold <gingold@adacore.com>
2550 * doc/invoke.texi (VMS Options): Merge Alpha/VMS and IA-64/VMS
2551 Options. Mention -mpointer-size.
2553 2012-03-12 Richard Guenther <rguenther@suse.de>
2555 * config/alpha/alpha.c (alpha_gimplify_va_arg): Use
2556 build_nonstandard_integer_type.
2558 2012-03-12 Richard Guenther <rguenther@suse.de>
2560 * tree.c (signed_or_unsigned_type_for): Use
2561 build_nonstandard_integer_type.
2562 (signed_type_for): Adjust documentation.
2563 (unsigned_type_for): Likewise.
2564 * tree-pretty-print.c (dump_generic_node): Use standard names
2565 for non-standard integer types if available.
2567 2012-03-12 Tristan Gingold <gingold@adacore.com>
2569 * config/vms/vms.opt: Add vms-opts.h header.
2570 (mmalloc64): Use flag_vms_malloc64 flag instead of MALLOC64
2572 (-mvms-return-codes): Document.
2573 (-mpointer-size): New option.
2574 (vms_pointer_size): Add enumeration.
2575 * config/vms/vms-opts.h: New file.
2576 * config/vms/vms.h (TARGET_OS_CPP_BUILTINS): Define
2577 __INITIAL_POINTER_SIZE.
2578 (POINTER_SIZE, SIZE_TYPE, PTRDIFF_TYPE): Adjust definition.
2579 (C_COMMON_OVERRIDE_OPTIONS): Define.
2580 (DWARF2_ADDR_SIZE): Define.
2581 * config/vms/vms.c (vms_patch_builtins): Adjust condition.
2582 * config/vms/vms-protos.h (vms_c_common_override_options):
2584 * config/vms/vms-c.c (vms_pragma_pointer_size): Ignore pragma
2585 if -mno-pointer-size.
2586 (vms_c_common_override_options): New function.
2587 * config/ia64/vms.h (TARGET_DEFAULT): Remove MASK_MALLOC64.
2588 * config/alpha/vms.h (TARGET_DEFAULT): Remove MASK_MALLOC64.
2589 (MALLOC_ABI_ALIGNMENT): Use flag_vms_malloc64
2590 and flag_vms_pointer_size.
2591 (MASK_RETURN_ADDR): Set according to flag_vms_pointer_size.
2592 * config.gcc (*-*-*vms*): Define xm_file.
2593 (alpha*-dec-*vms*): Do not define xm_file.
2594 (alpha64-dec-*vms*): Remove.
2595 (ia64-hp-*vms*): Do not define xm_file. Simplify tm_file
2598 2012-03-12 Jakub Jelinek <jakub@redhat.com>
2600 PR tree-optimization/51721
2601 * tree-vrp.c (register_edge_assert_for_2): Add asserts for unsvar
2602 if (int) unsvar cmp CST.
2604 2012-03-12 Richard Guenther <rguenther@suse.de>
2606 * tree-sra.c (create_access_replacement): Only rename the replacement
2607 if we can rewrite it into SSA form. Properly mark register typed
2608 replacements that we cannot rewrite with TREE_ADDRESSABLE.
2609 * tree-cfg.c (verify_expr): Fix BIT_FIELD_REF verification
2610 for aggregate or BLKmode results.
2612 2012-03-12 Jakub Jelinek <jakub@redhat.com>
2614 PR tree-optimization/52533
2615 * tree-vrp.c (register_edge_assert_for_2): Use double_int
2616 type for mask, only handle shifts by non-zero in-range
2617 shift count, for LE_EXPR and GT_EXPR if new_val is
2618 maximum, don't add the assertion.
2620 2012-02-12 Kirill Yukhin <kirill.yukhin@intel.com>
2622 * doc/invoke.texi: Document -mrtm option.
2623 * common/config/i386/i386-common.c (OPTION_MASK_ISA_RTM_SET): New.
2624 (OPTION_MASK_ISA_RTM_UNSET): Ditto.
2625 (ix86_handle_option): Handle OPT_mrtm.
2626 * config.gcc (i[34567]86-*-*): Add rtmintrin.h and
2628 (x86_64-*-*): Ditto.
2629 * i386-builtin-types.def (INT_FTYPE_VOID): New.
2630 * config/i386/i386-c.c (ix86_target_macros_internal): Define
2632 (ix86_target_string): Define -mrtm option.
2634 (ix86_option_override_internal): Extend "corei7-avx" with RTM option.
2636 (ix86_valid_target_attribute_inner_p): Add OPT_mrtm.
2637 (ix86_builtins): Add IX86_BUILTIN_XBEGIN, IX86_BUILTIN_XEND,
2639 (bdesc_special_args): Ditto.
2640 (ix86_init_mmx_sse_builtins): Add IX86_BUILTIN_XABORT.
2641 (ix86_expand_special_args_builtin): Handle new built-in type.
2642 (ix86_expand_builtin): Handle XABORT instruction.
2643 * config/i386/i386.h (TARGET_RTM): New.
2644 * config/i386/i386.md (UNSPECV_XBEGIN): New.
2645 (UNSPECV_XEND): Ditto.
2646 (UNSPECV_XABORT): Ditto.
2647 (UNSPECV_XTEST): Ditto.
2654 * config/i386/i386.opt (mrtm): New.
2655 * config/i386/immintrin.h: Include rtmintrin.h and xtestintrin.h.
2656 * config/i386/rtmintrin.h: New header.
2657 * config/i386/xtestintrin.h: Ditto.
2659 2012-03-12 Tristan Gingold <gingold@adacore.com>
2661 * ginclude/stddef.h: Adjust previous patch.
2662 Use __VMS__ instead of VMS.
2664 2012-03-12 Uros Bizjak <ubizjak@gmail.com>
2666 * config/i386/i386.md (setcc + movzbl to xor + setcc peephole2):
2667 Also convert sequences with CC setting arithmetic instruction.
2669 2012-03-11 Sandra Loosemore <sandra@codesourcery.com>
2671 * doc/invoke.texi (Option Summary): Move -no-integrated-cpp
2672 from C Language Options to Preprocessor Options.
2673 (C Dialect Options): Move -no-integrated-cpp documentation
2675 (Preprocessor Options): ...to here. Rewrite the description
2676 so it makes more sense, and remove discussion of merging front ends.
2678 2012-03-11 H.J. Lu <hongjiu.lu@intel.com>
2680 * config/i386/i386.c (ix86_expand_movmem): Use word_mode for size
2682 (ix86_expand_setmem): Likewise.
2684 2012-03-11 Uros Bizjak <ubizjak@gmail.com>
2686 * config/i386/i386.c (ix86_zero_extend_to_Pmode): Rewrite using
2689 2012-03-11 H.J. Lu <hongjiu.lu@intel.com>
2691 * config/i386/i386.c (ix86_trampoline_init): Use movl for 64bit if
2692 ptr_mode == SImode. Replace DImode with Pmode or ptr_mode.
2694 2012-03-11 H.J. Lu <hongjiu.lu@intel.com>
2696 * config/i386/i386.c (x86_this_parameter): Replace DImode with Pmode.
2698 2012-03-11 H.J. Lu <hongjiu.lu@intel.com>
2700 * config/i386/i386.md (lwp_slwpcb): Check Pmode instead of
2703 2012-03-11 H.J. Lu <hongjiu.lu@intel.com>
2704 Uros Bizjak <ubizjak@gmail.com>
2706 * config/i386/predicates.md (call_insn_operand): Allow
2707 constant_call_address_operand in Pmode only.
2708 (sibcall_insn_operand): Ditto.
2709 * config/i386/i386.md (*call): Use W mode iterator instead of P mode.
2710 (*call_vzeroupper): Ditto.
2712 (*sibcall_vzeroupper): Ditto.
2713 (*call_value): Ditto.
2714 (*call_value_vzeroupper): Ditto.
2715 (*sibcall_value): Ditto.
2716 (*sibcall_value_vzeroupper): Ditto.
2717 (*indirect_jump): Ditto.
2718 (*tablejump_1): Ditto.
2719 (indirect_jump): Convert memory address to word mode for TARGET_X32.
2721 * config/i386/i386.c (ix86_expand_call): Convert indirect operands
2724 2012-03-11 Oleg Endo <olegendo@gcc.gnu.org>
2727 * config/sh/sh.md (movnegt): Expand into respective insns immediately.
2728 Use movrt_negc instead of negc pattern for non-SH2A.
2730 (*movrt_negc, *negnegt, *movtt, *movt_qi): New insns and splits.
2732 2012-03-10 H.J. Lu <hongjiu.lu@intel.com>
2734 * config/i386/i386.c (ix86_decompose_address): Disallow fs:(reg)
2735 if Pmode != word_mode.
2736 (legitimize_tls_address): Call gen_tls_initial_exec_x32 if
2737 Pmode == SImode for TARGET_X32.
2739 * config/i386/i386.md (UNSPEC_TLS_IE_X32): New.
2740 (tls_initial_exec_x32): Likewise.
2742 2012-03-10 Chung-Lin Tang <cltang@codesourcery.com>
2744 PR rtl-optimization/52528
2745 * combine.c (can_combine_p): Add setting of subst_low_luid
2746 before call to expand_field_assignment().
2748 2012-03-09 Sandra Loosemore <sandra@codesourcery.com>
2750 * doc/invoke.texi: Use correct names/markup for "GCC", "GDB", "ld",
2751 and related program names.
2753 2012-03-09 Sandra Loosemore <sandra@codesourcery.com>
2755 * doc/invoke.texi: Use correct names for "DWARF", "stabs", and "ELF".
2757 2012-03-09 Uros Bizjak <ubizjak@gmail.com>
2760 * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
2761 (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
2763 * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
2764 (*movdi_internal_rex64): Use %E operand modifier for lea.
2765 (*movsi_internal): Ditto.
2767 (*lea<mode>_2): Ditto.
2768 (*lea_{3,4,5,6}_zext): Ditto.
2769 (*tls_global_dynamic_32_gnu): Ditto.
2770 (*tls_global_dynamic_64): Ditto.
2771 (*tls_dynamic_gnu2_lea_32): Ditto.
2772 (*tls_dynamic_gnu2_lea_64): Ditto.
2773 (pro_epilogue_adjust_stack_<mode>_add): Ditto.
2775 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2777 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
2778 redefine to be NULL if the current bit-size is different from the
2779 configured bit-size.
2781 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
2782 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
2783 set the default tuning. Add asserts to make sure the cpu and tune
2784 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
2785 test whether the index is set, instead of > 0.
2786 (rs6000_file_start): Do not reset the default cpu if the current
2787 bit-size is different from the configured bit-size.
2789 2012-03-09 Tristan Gingold <gingold@adacore.com>
2791 * config/vms/vms-crtlmap.map: Add comments.
2792 Add entries needed to build Ada RTS.
2794 2012-03-09 Tristan Gingold <gingold@adacore.com>
2796 * ginclude/stddef.h: Do not define __size_t on VMS.
2798 2012-03-09 Tristan Gingold <gingold@adacore.com>
2800 * c-tree.h (c_default_pointer_mode): New variable.
2801 * c-decl.c (c_default_pointer_mode): New variable.
2802 (c_build_pointer_type): New function.
2803 (grokdeclarator): Call c_build_pointer_type instead
2804 of build_pointer_type.
2806 * config/vms/vms-c.c: Include c-tree.h
2807 (saved_pointer_mode): New variable.
2808 (handle_pragma_pointer_size): New function.
2809 (vms_pragma_pointer_size, vms_pragma_required_pointer_size): Likewise.
2810 (vms_c_register_pragma): Register __pointer_size and
2811 __required_pointer_size pragmas.
2813 2012-03-09 Tristan Gingold <gingold@adacore.com>
2815 * config/vms/vms-c.c (vms_construct_include_filename): New function.
2816 (vms_c_register_includes): Reference it.
2818 2012-03-09 Andrew Pinski <apinski@cavium.com>
2821 * tree-ssa-phiopt.c: Include tree-pretty-print.h for
2823 (tree_ssa_phiopt_worker): Go through all the PHIs for
2824 value_replacement instead of just the singleton one.
2825 (value_replacement): Change return type to int. Return 0 instead of
2827 Allow the middle basic block to contain more than just the defining
2829 Handle non empty middle basic blocks.
2830 * Makefile.in (tree-ssa-phiopt.o): Add tree-pretty-print.h.
2832 2012-03-09 Jiangning Liu <jiangning.liu@arm.com>
2834 * tree-scalar-evolution (interpret_rhs_expr): generate chrec for
2835 array reference and component reference.
2836 (analyze_scalar_evolution_for_address_of): New.
2838 2012-03-08 Jie Zhang <jzhang918@gmail.com>
2841 * config/bfin/bfin.c (hwloop_optimize): Fix unused variable warnings.
2842 (hwloop_pattern_reg): Fix set but not used warning.
2843 (bfin_reorg_loops): Remove unused parameter.
2844 (bfin_reorg): Update use of bfin_reorg_loops.
2846 2012-03-08 H.J. Lu <hongjiu.lu@intel.com>
2848 * config/i386/i386.c (setup_incoming_varargs_64): Use word_mode
2849 with integer parameters in registers.
2850 (gen_push): Push register in word_mode instead of Pmode.
2851 (ix86_emit_save_regs): Likewise.
2852 (ix86_emit_save_regs_using_mov): Save integer registers in word_mode.
2853 (gen_pop): Pop register in word_mode instead of Pmode.
2854 (ix86_emit_restore_regs_using_pop): Likewise.
2855 (ix86_expand_prologue): Replace Pmode with word_mode for push
2856 immediate. Use ix86_gen_pro_epilogue_adjust_stack. Save and
2857 restore RAX and R10 in word_mode.
2858 (ix86_emit_restore_regs_using_mov): Restore integer registers
2860 (ix86_expand_split_stack_prologue): Save R10_REG and restore in
2862 (ix86_split_to_parts): Use word_mode with PUT_MODE for push.
2863 (ix86_split_long_move): Likewise.
2865 * config/i386/i386.md (W): New.
2866 (*push<mode>2_prologue): Replace :P with :W.
2867 (*pop<mode>1): Likewise.
2868 (*pop<mode>1_epilogue): Likewise.
2869 (push/pop peephole2): Use word_mode scratch registers.
2871 2012-03-08 Uros Bizjak <ubizjak@gmail.com>
2873 * config/i386/predicates.md (indirect_branch_operand): Simplify.
2875 2012-03-08 Georg-Johann Lay <avr@gjlay.de>
2877 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
2878 for constants in [-63,63].
2880 2012-03-08 Uros Bizjak <ubizjak@gmail.com>
2884 2012-03-04 H.J. Lu <hongjiu.lu@intel.com>
2886 * config/i386/i386.c (ix86_print_operand_address): Only handle
2887 zero-extended DImode addresses.
2889 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2891 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
2892 * configure: Regenerate.
2894 2012-03-08 Georg-Johann Lay <avr@gjlay.de>
2897 * config/avr/avr.c (avr_mem_clobber): New static function.
2898 (avr_expand_delay_cycles): Add memory clobber operand to
2899 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
2900 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
2901 (enable_interrupt, disable_interrupt): New expander.
2902 (nopv, sleep, wdr): New expanders.
2903 (delay_cycles_1): Add memory clobber.
2904 (delay_cycles_2): Add memory clobber.
2905 (delay_cycles_3): Add memory clobber.
2906 (delay_cycles_4): Add memory clobber.
2907 (cli_sei): New insn from former "enable_interrupt",
2908 "disable_interrupt" with memory clobber.
2909 (*wdt): New insn from former "wdt" with memory clobber.
2910 (*nopv): Similar, but for "nopv".
2911 (*sleep): Similar, but for "sleep".
2913 2012-03-07 Oleg Endo <olegendo@gcc.gnu.org>
2914 Kaz Kojima <kkojima@gcc.gnu.org>
2917 * config/sh/sh.opt (msoft-atomic): Use Var instead of Mask.
2918 * config/sh/linux.h (TARGET_DEFAULT): Remove MASK_SOFT_ATOMIC.
2919 (SUBTARGET_OVERRIDE_OPTIONS): Define.
2921 2012-03-07 Uros Bizjak <ubizjak@gmail.com>
2923 * config/i386/predicates.md (x86_64_zext_general_operand): New.
2924 * config/i386/i386.md (*zero_extendsidi2_rex64): Change operand 1
2925 predicate to x86_64_zext_general_operand. Accept "Z" constraint.
2927 2012-03-07 Walter Lee <walt@tilera.com>
2929 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
2930 REG_CFA_* notes for the stack pointer.
2931 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
2932 EH_RETURN_STACKADJ_RTX.
2933 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
2934 generate REG_CFA_* notes for the stack pointer.
2935 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
2936 by EH_RETURN_STACKADJ_RTX.
2938 2012-03-07 Georg-Johann Lay <avr@gjlay.de>
2940 * doc/invoke.texi (AVR Built-in Macros): Correct condition for
2941 when __AVR_3_BYTE_PC__ is defined.
2943 2012-03-07 Uros Bizjak <ubizjak@gmail.com>
2945 * config/i386/i386.c (ix86_print_operand_punct_valid_p): Add '^'.
2946 (ix86_print_operand): Handle '^'.
2947 * config/i386/i386.md (*strmovdi_rex_1): Macroize memory operands
2948 using P mode iterator. Add %^ to asm template to conditionally emit
2950 (*rep_movdi_rex64): Ditto.
2951 (*strsetdi_rex_1): Ditto.
2952 (*rep_stosdi_rex64): Ditto.
2953 (*strmov{si,hi,qi}_1): Add %^ to asm template to
2954 conditionally emit addr32 prefix.
2955 (*rep_mov{si,qi}): Ditto.
2956 (*strset{si,hi,qi}): Ditto.
2957 (*rep_stos{si,qi}): Ditto.
2958 (*cmpstrnqi_nz_1): Ditto.
2959 (*cmpstrnqi_1): Ditto.
2960 (*strlenqi_1): Ditto.
2962 2012-03-07 H.J. Lu <hongjiu.lu@intel.com>
2964 * config/i386/i386.c (function_value_64): Return pointers in
2965 word_mode instead of Pmode.
2966 (ix86_promote_function_mode): Likewise.
2968 2012-03-07 Richard Guenther <rguenther@suse.de>
2970 * coverage.c (get_gcov_type): Use type_for_mode.
2971 (get_gcov_unsigned_t): Likewise.
2972 * expr.c (store_constructor): Use type_for_mode.
2973 (try_casesi): Likewise.
2974 * tree-ssa-loop-ivopts.c (add_standard_iv_candidates_for_size): Remove.
2975 (add_standard_iv_candidates): Use standard type trees.
2976 * dojump.c (do_jump): Remove dead code.
2978 2012-03-07 Richard Guenther <rguenther@suse.de>
2980 * c-typeck.c (pointer_diff): Use c_common_type_for_size.
2982 2012-03-07 Richard Guenther <rguenther@suse.de>
2984 * convert.c (strip_float_extensions): Move ...
2985 * tree.c (strip_float_extensions): ... here.
2987 2012-03-07 Georg-Johann Lay <avr@gjlay.de>
2990 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
2992 2012-03-07 Richard Guenther <rguenther@suse.de>
2994 * omp-low.c (extract_omp_for_data): Use signed_type_for.
2995 (expand_omp_for_generic): Likewise.
2996 (expand_omp_for_static_nochunk): Likewise.
2997 (expand_omp_for_static_chunk): Likewise.
2998 * tree-vect-stmts.c (vect_gen_perm_mask): Use type_for_mode.
2999 * tree-vect-slp.c (vect_transform_slp_perm_load): Likewise.
3000 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop):
3001 Use unsigned_type_for.
3002 (vect_create_cond_for_align_checks): Use signed_type_for.
3004 2012-03-07 Andrey Belevantsev <abel@ispras.ru>
3006 PR rtl-optimization/52203
3007 * sel-sched.c (estimate_insn_cost): New parameter pempty. Adjust
3008 all callers to pass NULL except ...
3009 (reset_sched_cycles_in_current_ebb): ... here, save the value
3010 in new variable 'empty'. Increase issue_rate only for
3013 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
3016 * Makefile.in: Let install-gcc-ar depend on installdirs,
3017 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
3018 Don't double canonicalize if cross-compiling.
3020 2012-03-07 Georg-Johann Lay <avr@gjlay.de>
3023 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
3024 to: RAMPZ, RAMPY, RAMPX, RAMPD.
3025 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
3027 2012-03-07 Georg-Johann Lay <avr@gjlay.de>
3030 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
3032 * config/avr/avr.md (xload_8): Adjust insn length.
3034 2012-03-07 Georg-Johann Lay <avr@gjlay.de>
3037 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
3038 if RAMPZ affects reading from RAM.
3040 2012-03-07 Richard Guenther <rguenther@suse.de>
3044 * doc/invoke.texi (Precompiled Headers): Remove sentence that
3045 suggests you can include PCHs from inside another header.
3047 2012-03-07 Richard Sandiford <rdsandiford@googlemail.com>
3050 * rtl.h (pc_rtx, cc0_rtx, ret_rtx, simple_return_rtx): Add GTY markers.
3052 2012-03-07 Kai Tietz <ktietz@redhat.com>
3054 * doc/invoke.texi (fwritable-relocated-rdata): Document
3055 new Cygwin/MinGW target option.
3056 * config/i386/winnt.c (i386_pe_unique_section): Ignore
3057 reloc if flag -fwritable-relocated-rdata is not set.
3058 (i386_pe_section_type_flags): Likewise.
3059 * config/i386/cygming.opt (fwritable-relocated-rdata):
3060 Add new flag variable flag_writable_rel_rdata.
3062 2012-03-07 Richard Guenther <rguenther@suse.de>
3064 * tree-ssa-math-opts.c (convert_mult_to_widen): Check actual
3065 precision against gimple constraints.
3067 2012-03-06 Richard Sandiford <rdsandiford@googlemail.com>
3070 * rtl.h (pc_rtx, ret_rtx, simple_return_rtx, cc0_rtx): Redefine as
3072 (GR_PC, GR_CC0, GR_RETURN, GR_SIMPLE_RETURN): Delete.
3073 * emit-rtl.c (pc_rtx, ret_rtx, simple_return_rtx, cc0_rtx): New
3075 (init_emit_regs): Move associated initialization to...
3076 (init_emit_once): ...here.
3078 2012-03-06 Richard Henderson <rth@redhat.com>
3080 * config/m68k/m68k.h (ISA_HAS_TAS): New.
3081 * config/m68k/sync.md (atomic_test_and_set): Use it.
3082 (atomic_test_and_set_1): Likewise.
3084 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
3087 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
3088 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
3089 (vector_ltgt<mode>): Likewise.
3090 (vector_ordered<mode>): Likewise.
3091 (vector_unordered<mode>): Likewise.
3092 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
3094 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
3096 * trans-mem.c: New typedef for tm_region_p.
3097 Define vector types for tm_region_p.
3098 (tm_region_init): Replace region_worklist to a vector called
3101 2012-03-06 Richard Guenther <rguenther@suse.de>
3103 * fold-const.c (build_fold_addr_expr_with_type_loc): Fold
3104 MEM_REF with constant pointer operand.
3106 2012-03-06 Richard Guenther <rguenther@suse.de>
3109 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
3111 2012-03-06 Tristan Gingold <gingold@adacore.com>
3113 * config/vms/vms-c.c (vms_pragma_nomember_alignment): Handle octaword.
3114 (external_model_kind): Improve documentation.
3115 (vms_pragma_extern_model): Handle relaxed_redef.
3116 (vms_c_register_pragma): Allow expansion for nomember_alignment.
3118 2012-03-06 Georg-Johann Lay <avr@gjlay.de>
3120 * doc/invoke.texi (AVR Options): -mmcu=: Document the XMEGA cores.
3121 Explain RAMPD, RAMPX, RAMPDY, RAMPZ usage by avr-gcc.
3122 Some more notes on EIND usage and reorder EIND subsection.
3124 2012-03-06 Tristan Gingold <gingold@adacore.com>
3126 * config/vms/vms.c (VMS_CRTL_LDBL): Rename from VMS_CRTL_PRNTF.
3127 * config/vms/vms-crtlmap.map: Rename PRNTF to LDBL.
3129 2012-03-06 Tristan Gingold <gingold@adacore.com>
3131 * config/vms/t-vmsnative (version): Define.
3132 * config/vms/t-vms (STMP_FIXPROTO, STMP_FIXINC, version): Remove.
3134 2012-03-06 Andrey Belevantsev <abel@ispras.ru>
3136 PR rtl-optimization/52250
3137 * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
3138 to put note list into. Unconditionally call move_bb_info.
3139 (move_bb_info): Do not assert the blocks being in the same region,
3140 just drop the note list if they are not.
3142 2012-03-06 Oleg Endo <olegendo@gcc.gnu.org>
3145 * config/sh/sh.c (sh_expand_t_scc): Remove SH2A special case
3146 and use unified expansion logic.
3147 * config/sh/sh.md (xorsi3_movrt): Rename to movrt. Move
3148 closer to the existing movt insn.
3149 (negc): Rename insn to *negc. Add new expander.
3150 (movnegt): Use xor pattern for T bit negation. Reserve helper
3151 constant for negc pattern.
3152 (*movnegt): New insn and splitter.
3154 2012-03-05 Bernd Schmidt <bernds@codesourcery.com>
3156 * c-typeck.c (pointer_diff): Check for POINTER_PLUS_EXPR, not
3159 2012-03-05 Richard Henderson <rth@redhat.com>
3161 * genemit.c (main): Include "target.h" in insn-emit.c.
3162 * Makefile.in (insn-emit.o): Depend on TARGET_H.
3163 * config/sh/sync.md (atomic_test_and_set): Reference
3164 targetm.atomic_test_and_set_trueval instead of
3165 TARGET_ATOMIC_TEST_AND_SET_TRUEVAL.
3167 2012-03-05 Joern Rennecke <joern.rennecke@embecosm.com>
3169 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
3172 2012-03-05 Steven Bosscher <steven@gcc.gnu.org>
3174 * langhooks.c (add_builtin_type): New function.
3175 * langhooks.h (add_builtin_type): Export it.
3176 * config/mep/mep.c (mep_init_builtins): Use it.
3177 * config/rs6000/rs6000.c (rs6000_init_builtins): Use it.
3179 2012-03-05 Jakub Jelinek <jakub@redhat.com>
3182 * tree.h (BLOCK_SAME_RANGE): Define.
3183 * function.c (block_fragments_nreverse): Clear BLOCK_SAME_RANGE
3184 if BLOCK_FRAGMENT_CHAIN is non-NULL, but has it cleared.
3185 Also clear BLOCK_SAME_RANGE if fragment chain's supercontext fragment
3186 isn't equal to supercontext fragment's fragment chain.
3187 Adjust BLOCK_SUPERCONTEXT to point to supercontext fragment's
3189 (blocks_nreverse_all): Likewise.
3190 (reorder_blocks_1): Compute BLOCK_SAME_RANGE bits. Set
3191 BLOCK_SUPERCONTEXT to supercontext fragment instead of
3192 supercontext fragment's fragment origin.
3193 * dwarf2out.c (add_high_low_attributes): If stmt has the same
3194 range as its parent (or parents thereof etc.), use the parent's
3195 DW_AT_ranges value instead of creating a new .debug_ranges range.
3197 2012-03-05 Richard Henderson <rth@redhat.com>
3200 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
3201 * omp-low.c (expand_omp_atomic): Assume anything aligned to
3202 BIGGEST_ALIGNMENT is aligned.
3204 2012-03-05 Richard Henderson <rth@redhat.com>
3206 * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Move...
3207 * config/sh/sh.c: ... here.
3209 2012-03-05 Richard Henderson <rth@redhat.com>
3212 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
3213 instead of calling negqi2 directly.
3215 2012-03-05 Aldy Hernandez <aldyh@redhat.com>
3218 * trans-mem.c (tm_region_init): Use last_basic_block.
3220 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
3222 * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
3223 * config/sh/sync.md (atomic_test_and_set): New expander.
3224 (tasb, atomic_test_and_set_soft): New insns.
3225 * config/sh/sh.opt (menable-tas): New option.
3226 * doc/invoke.texi (SH Options): Document it.
3228 2012-03-05 Richard Guenther <rguenther@suse.de>
3230 * cfgloop.c (verify_loop_structure): Verify dominators before
3232 * graphite-clast-to-gimple.c (graphite_verify): Do not verify
3233 dominators from here.
3234 * graphite-scop-detection.c (create_sese_edges): Likewise.
3235 * loop-doloop.c (doloop_optimize_loops): Likewise.
3236 * loop-init.c (loop_optimizer_init): Likewise.
3237 * loop-unroll.c (unroll_and_peel_loops): Likewise.
3238 * loop-unswitch.c (unswitch_loops): Likewise.
3239 * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
3240 * tree-parloops.c (parallelize_loops): Likewise. Verify
3241 only when checking is enabled.
3242 * tree-loop-distribution.c (tree_loop_distribution): Likewise.
3244 2012-03-05 Bernd Schmidt <bernds@codesourcery.com>
3246 * genautomata.c (parse_automata_opt): New static function.
3247 (initiate_automaton_gen): Remove all option handling code. Remove
3248 argc argument. All callers changed.
3249 (main): Call init_rtx_reader_args_cb with the new function as argument.
3251 2012-03-05 Richard Guenther <rguenther@suse.de>
3253 * cfgexpand.c (gimple_expand_cfg): Free dominator info.
3254 * tree-if-conv.c (combine_blocks): Free post-dominator info
3256 * tree-parloops.c (create_parallel_loop): Free and re-compute
3257 dominator info after breaking it.
3259 2012-03-05 Richard Guenther <rguenther@suse.de>
3262 * optabs.h (trapv_unoptab_p): New function.
3263 (trapv_binoptab_p): Likewise.
3264 * optabs.c (expand_binop): Use emit_libcall_block_1 with
3265 a proper equiv_may_trap argument.
3266 (expand_unop): Likewise.
3267 (emit_libcall_block_1): Take extra argument whether the
3268 instruction may trap. Renamed from ...
3269 (emit_libcall_block): ... this. New wrapper.
3271 2012-03-05 Jakub Jelinek <jakub@redhat.com>
3273 PR tree-optimization/51721
3274 * tree-vrp.c (register_edge_assert_for_2): If comparing
3275 lhs of right shift by constant with an integer constant,
3276 add ASSERT_EXPRs for the rhs1 of the right shift.
3278 * cfgrtl.c (cfg_layout_merge_blocks): Cleanup.
3280 2012-03-05 Richard Guenther <rguenther@suse.de>
3282 * tree.c (integer_zerop): Handle VECTOR_CSTs.
3283 (integer_onep): Likewise.
3284 (integer_all_onesp): Likewise.
3286 2012-03-05 Georg-Johann Lay <avr@gjlay.de>
3288 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
3290 2012-03-04 H.J. Lu <hongjiu.lu@intel.com>
3292 * config/i386/i386.c (pro_epilogue_adjust_stack): Check Pmode
3293 instead of TARGET_64BIT.
3295 2012-03-04 H.J. Lu <hongjiu.lu@intel.com>
3297 * config/i386/i386.c (ix86_expand_prologue): Check Pmode to set
3300 2012-03-04 H.J. Lu <hongjiu.lu@intel.com>
3302 * config/i386/i386.c (ix86_print_operand_address): Only handle
3303 zero-extended DImode addresses.
3305 2012-03-04 Uros Bizjak <ubizjak@gmail.com>
3307 * config/i386/i386.c (ix86_print_operand) <case '+'>: Declare
3308 taken and cputaken as bool.
3310 2012-03-04 Uros Bizjak <ubizjak@gmail.com>
3312 * config/i386/constraints.md (Ya): New internal constraint.
3313 * config/i386/i386.md (zero_extendsidi2): Remove expansion.
3314 (*zero_extendsidi2_rex64): Add x,x alternative.
3315 (*zero_extendsidi2): Ditto. Add o,0 alternative.
3316 Remove flags reg clobber. Adjust corresponding splits.
3317 (zero_extend<mode>si2): Macroize expander from zero_extendhisi2 and
3318 zero_extendqisi2 expanders using SWI12 mode iterator.
3319 (zero_extend<mode>si2_and): Macroize insn from
3320 zero_extendhisi2_and and zero_extendqisi2_and. Merge corresponding
3322 (*zero_extend<mode>si2): Macroize insn from
3323 *zero_extendhisi2_movzbl and *zero_extendqisi2_movzbl.
3324 (*zero_extend*2_movzbl_and): Remove insn patterns.
3325 (zero_extendqihi2_and): Merge corresponding splitter.
3326 (*zero_extendqihi2): Rename from *zero_extendqihi2_movzbl.
3327 (*zero_extend*2_movzbl_and): Remove insn patterns.
3328 (*anddi_1): Split TYPE_IMOVX instructions.
3329 (*andsi_1): Use Ya for alternative 2. Split TYPE_IMOVX instructions.
3331 (and->zext splitter): Add splitter pattern.
3332 (zero extend with andsi3 splitter): Adjust zero_extend pattern.
3334 2012-03-04 Sandra Loosemore <sandra@codesourcery.com>
3336 * doc/invoke.texi (C++ Dialect Options): Minor copy-edits to
3338 (Debugging Options): Likewise.
3339 (Optimize Options): Likewise.
3340 (i386 and x86-64 Options): Discuss -march before -mtune, consistently
3341 with other architectures. Use official processor names with correct
3342 spelling/capitalization. Fix formatting and grammar issues.
3343 (i386 and x86-64 Windows Options): Similar cleanup here.
3345 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
3347 * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
3349 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
3351 * config/sh/sh.c (sh_dwarf_register_span): Don't apply
3352 DBX_REGISTER_NUMBER.
3354 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
3356 * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
3357 operand is CONST_INT. Take COSTS_N_INSNS into account.
3358 (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value
3361 2012-03-02 Richard Henderson <rth@redhat.com>
3363 * optabs.c (expand_atomic_test_and_set): Honor
3364 atomic_test_and_set_trueval even when atomic_test_and_set
3365 optab is not in use.
3367 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
3371 * config/sh/sh.c (sh_register_move_cost): Increase cost between
3372 GENERAL_REGS and FP_REGS for SImode.
3374 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
3377 * config/sh/sh.md (negdi2): Add TARGET_SH1 condition.
3378 (absdi2): New expander.
3379 (*absdi2, *negabsdi2, negdi_cond): New insns and splits.
3381 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
3383 * config/sh/sync.md (atomic_exchange<mode>): New expander.
3384 (atomic_exchange<mode>_soft): New insn.
3386 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
3388 * config/sh/sync.md: Update copyright notice dates.
3389 (atomic_compare_and_swap<mode>): Use SImode for return value instead
3391 (atomic_compare_and_swap<mode>_soft): Likewise.
3393 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
3396 * config/sh/sh.h (LOOP_ALIGN): Move logic to sh_loop_align.
3397 * config/sh/sh.c: Update copyright notice dates.
3398 (sh_loop_align): Add logic from LOOP_ALIGN. Don't disable loop
3399 alignment for TARGET_HARD_SH4.
3400 (sh_option_override): Reduce default function alignment. Set
3401 loop alignment to 4 bytes when not optimizing for size.
3403 2012-03-02 Maxim Kuvyrkov <maxim@codesourcery.com>
3406 * doc/invoke.texi (floop-flatten): Remove.
3407 * toplev.c (process_options): Remove references to flag_loop_flatten.
3408 * tree-ssa-loop.c (gate_graphite_transform): Same.
3409 * common.opt (floop-flatten): Obsolete.
3410 * graphite-poly.c (apply_poly_transforms): Remove reference to
3412 * Makefile.in (graphite-flattening.o): Remove.
3413 * graphite-flattening.c: Remove.
3415 2012-03-02 Uros Bizjak <ubizjak@gmail.com>
3417 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
3418 having mode compatible with the mode of previous compare. Substitute
3419 compare mode of previous compare with the mode, compatible
3420 with eliminated and previous compare.
3422 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
3424 * config/rs6000/dfp.md (floatdidd2): New define_insn.
3426 2012-03-02 Uros Bizjak <ubizjak@gmail.com>
3428 * config/i386/i386.c (ix86_cc_modes_compatible): Declare CCZmode
3429 compatible with CCGOCmode and CCGCmode.
3431 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
3433 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
3435 2012-03-02 Ulrich Weigand <ulrich.weigand@linaro.org>
3437 * config/arm/arm.c (arm_sat_operator_match): New function.
3438 * config/arm/arm-protos.h (arm_sat_operator_match): Add prototype.
3439 * config/arm/arm.md ("insn" attribute): Add "sat" value.
3440 ("SAT", "SATrev"): New code iterators.
3441 ("SATlo", "SAThi"): New code iterator attributes.
3442 ("*satsi_<SAT:code>"): New pattern.
3443 ("*satsi_<SAT:code>_shift"): Likewise.
3444 * config/arm/arm-fixed.md ("arm_ssatsihi_shift"): Add "insn"
3445 and "shift" attributes.
3446 ("arm_usatsihi"): Add "insn" attribute.
3447 * config/arm/predicates.md (sat_shift_operator): Allow multiplication
3448 by powers of two. Do not allow shift by 32.
3450 2012-03-02 Uros Bizjak <ubizjak@gmail.com>
3453 * config/i386/i386.c (construct_container): Use gen_reg_or_parallel
3454 to pass the argument in the register of "natural" mode.
3456 2012-03-02 Richard Guenther <rguenther@suse.de>
3458 PR tree-optimization/52406
3459 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
3460 (struct indices): Add unconstrained_base member.
3461 (struct dr_alias): Remove unused vops member.
3462 (DR_UNCONSTRAINED_BASE): New define.
3463 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
3464 add indices to allow their disambiguation. Make DR_BASE_OBJECT
3465 be an artificial access that covers the whole indexed object,
3466 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
3467 plain decl base-objects to their MEM_REF variant.
3468 (dr_may_alias_p): When the base-object of either data reference
3469 has unknown size use only points-to information.
3470 (compute_affine_dependence): Make dumps easier to read and
3472 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
3473 DR_REF when looking for packed references.
3474 (vect_supportable_dr_alignment): Likewise.
3476 2012-03-02 Greta Yorsh <Greta.Yorsh@arm.com>
3478 * config/arm/arm-ldmstm.ml (write_ldm_commutative_peephole):
3479 Improve conditions for peepholes of loads followed by commutative
3481 * config/arm/ldmstm.md: Regenerated.
3483 2012-03-02 Richard Guenther <rguenther@suse.de>
3485 * BASE-VER: Set to 4.8.0.
3487 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
3489 * config.gcc (obsolete): Add all ARM targets using the FPA.
3490 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
3491 * doc/install.texi: Avoid references to obsolete ARM ports.
3493 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
3495 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
3497 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
3498 Joern Rennecke <joern.rennecke@embecosm.com>
3500 * doc/extend.texi: Expand and update information on interrupt
3501 attribute for Epiphany.
3503 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
3505 * config/sh/sh-protos.h: Update copyright notice dates.
3506 * config/sh/sh.h: Likewise.
3507 * config/sh/sh.md: Likewise.
3508 * config/sh/constraints.md: Likewise.
3509 * config/sh/predicates.md: Likewise.
3511 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
3513 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
3514 * config/sh/sh.c (tertiary_reload_operand): Likewise.
3516 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
3518 * config/sh/constraints.md: Fix comment typo.
3520 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3523 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
3524 unsigned HOST_WIDE_INT.
3525 (zvdep_imm64): Likewise.
3526 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
3527 (vdepi_and): Likewise.
3528 Likewise for unamed 64-bit patterns.
3529 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
3531 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
3534 PR rtl-optimization/52417
3535 * cselib.c (cselib_any_perm_equivs): New variable.
3536 (cselib_reset_table): Check that it's not set when not
3537 preserving constants.
3538 (cselib_add_permanent_equiv): Set it.
3539 (cselib_have_permanent_equivalences): New.
3540 (cselib_init, cselib_finish): Reset it.
3541 * cselib.h (cselib_have_permanent_equivalences): Declare.
3542 * alias.c (get_addr): Restore earlier behavior when there
3543 aren't permanent equivalences.
3545 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
3547 * config/mn10300/mn10300-modes.def: Fix copyright notice.
3548 * config/v850/v850-modes.def: Fix copyright notice.
3550 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
3552 * doc/extend.texi (AVR Built-in Functions): Document
3553 __builtin_avr_flash_segment.
3555 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
3556 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
3557 (*split.flash_segment): New insn-and-split.
3558 * config/avr/avr.c (avr_init_builtins): Add local variables:
3559 const_memx_void_node, const_memx_ptr_type_node,
3560 char_ftype_const_memx_ptr.
3562 2012-03-01 Jakub Jelinek <jakub@redhat.com>
3564 PR tree-optimization/52445
3565 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
3566 add ssa_name_ver, offset and size fields and change store field
3568 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
3569 (add_or_mark_expr): Likewise. Only consider previous stores
3570 with the same size and offset.
3571 (nt_init_block): Only look at gimple_assign_single_p stmts,
3572 doesn't look at rhs2.
3574 2012-03-01 Richard Guenther <rguenther@suse.de>
3577 * tree-cfg.c (verify_gimple_assign_unary): Allow any
3578 conversions from integral types to pointer types.
3580 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
3582 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
3583 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
3584 unintentionally removed in r184616.
3586 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
3588 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
3591 2012-02-29 Jakub Jelinek <jakub@redhat.com>
3592 Uros Bizjak <ubizjak@gmail.com>
3595 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
3596 alternatives, add "e" constraint to the new last alternative
3597 and ! to last 3 alternatives.
3599 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
3601 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
3602 DW_AT_artificial attributes at the end of the processing.
3603 (gen_array_type_die): Likewise.
3604 (gen_enumeration_type_die): Likewise.
3605 (gen_struct_or_union_type_die): Likewise.
3606 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
3609 2012-02-29 Jakub Jelinek <jakub@redhat.com>
3612 * expr.c (expand_assignment): If doing misaligned store that doesn't
3613 cover all mode bits, perform a RMW cycle.
3615 PR tree-optimization/52429
3616 * tree-parloops.c (separate_decls_in_region_debug): Return early
3617 if var is LABEL_DECL.
3619 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3621 PR tree-optimization/52424
3622 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
3623 calling dom_thread_across_edge.
3625 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
3627 * config/avr/avr.c: Move definition of TARGET macros to end of file.
3629 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
3631 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
3632 * config/avr/avr.c (avr_output_bld): Remove unused function.
3633 (avr_out_sbxx_branch): Use "%T" to print bit position.
3635 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
3637 * config/avr/avr.md: Untabify.
3639 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
3641 * config/avr/avr.md (eqne): New code iterator.
3642 (*dec-and-branchsi): Use it in text peephole's condition.
3643 (*dec-and-branchhi): Ditto.
3644 (*dec-and-branchqi): Ditto.
3646 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
3649 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
3650 the device does not have the skip-bug.
3652 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
3654 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
3655 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
3656 -mpretend-cmove): New.
3658 2012-02-29 Jakub Jelinek <jakub@redhat.com>
3661 * df.h (struct df_d): Adjust comment that hard_regs_live_count
3662 doesn't count DEBUG_INSN refs.
3663 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
3664 for DEBUG_INSN refs.
3666 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3670 2012-02-20 Richard Guenther <rguenther@suse.de>
3671 PR tree-optimization/52298
3672 * tree-vect-stmts.c (vectorizable_load): Properly use
3673 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
3676 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
3679 * gimple.h (gimple_in_transaction): New.
3680 (gimple_set_in_transaction): New.
3681 (struct gimple_statement_base): Add in_transaction field.
3682 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
3684 (tree_ssa_lim_initialize): Compute transaction bits.
3685 * tree.h (compute_transaction_bits): Protoize.
3686 * trans-mem.c (tm_region_init): Use the heap to store BB
3688 (compute_transaction_bits): New.
3690 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3692 * gcc.c (display_help): Document --help=common and sort entries
3695 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3697 * doc/install.texi: Document check-$LANG specific shortcuts
3699 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3702 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
3704 * config/arm/arm_neon.h: Regenerate.
3705 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
3706 (neon_vcgeu): New insn.
3707 (neon_vcgtu): Likewise.
3708 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
3709 (ops): Unsigned comparison intrinsics call a different builtin.
3711 2012-02-28 Richard Guenther <rguenther@suse.de>
3714 * config/i386/i386.c (ix86_expand_vector_set): Fix element
3715 ordering for the VEC_CONCAT for two element vectors for
3716 V2SFmode, V2SImode and V2DImode.
3718 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
3721 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
3722 detecting big-endian triplets.
3724 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
3726 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
3727 mode if there is no type information available.
3729 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
3731 PR tree-optimization/53207
3732 * doc/invoke.texi: Document as experimental and relying on graphite.
3734 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
3736 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
3737 of initializer to changes from r184614.
3739 2012-02-28 Richard Guenther <rguenther@suse.de>
3741 PR tree-optimization/52395
3742 * tree-sra.c (build_ref_for_offset): Also look at the base
3743 TYPE_ALIGN when figuring out the alignment of the replacement.
3745 2012-02-28 Richard Guenther <rguenther@suse.de>
3747 PR tree-optimization/52402
3748 * ipa-prop.c (ipa_modify_call_arguments): Properly use
3749 mis-aligned types when creating the accesses at the call site.
3751 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
3753 * config/avr/builtins.def: New file.
3754 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
3755 * config/avr/avr.c (enum avr_builtin_id): Use it.
3756 (avr_init_builtins): Use it. And use avr_bdesc.
3757 (bdesc_1arg): Remove.
3758 (bdesc_2arg): Remove.
3759 (bdesc_3arg): Remove.
3760 (struct avr_builtin_description): Add field n_args.
3761 (avr_bdesc): New static variable using builtins.def.
3762 (avr_expand_builtin): Use it.
3763 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
3764 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
3765 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
3767 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
3770 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
3771 match only one single hard register with respective hard reg rtx.
3772 (movmemx_<mode>): Ditto.
3773 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
3774 insn anatomy of movmem[x]_<mode>.
3775 (avr_out_movmem): Same for printing assembler and operand usage.
3777 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
3781 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
3782 address spaces located outside of device flash.
3784 * config/avr/avr.h (base_arch_s): Remove field n_segments.
3785 (mcu_type_s): Add field n_flash.
3786 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
3787 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
3788 (AVR_MCU): Add N_FLASH argument.
3789 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
3790 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
3791 macro __FLASH<n> if that address space makes sense for the device.
3792 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
3793 outside of target flash.
3794 (avr_asm_named_section): Ditto.
3795 (avr_asm_select_section): Ditto.
3796 (avr_addr_space_convert): Ditto.
3797 (avr_emit_movmemhi): Ditto.
3798 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
3799 address space is outside of device flash.
3800 (avr_insert_attributes): Ditto.
3801 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
3802 avr_current_arch->n_segments.
3804 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
3807 * config/i386/i386.md (*movabs<mode>_1): Enable only for TARGET_LP64.
3808 (*movabs<mode>_2): Likewise.
3810 2012-02-27 Jakub Jelinek <jakub@redhat.com>
3813 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
3814 s_register_operand in the test instead of REG_P. Don't call
3815 gen_reg_rtx if it won't be used.
3817 PR tree-optimization/52376
3818 * ipa-split.c (split_function): Ignore CLOBBER stmts.
3820 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
3822 * ifcvt.c (noce_get_condition): Check condition variable is not
3823 small_register_classes_for_mode_p before accepting.
3825 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
3827 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
3829 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3832 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3833 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3835 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3837 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
3839 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
3841 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
3843 * config/sh/predicates.md: Remove blank lines.
3844 * config/sh/sh.c: Fix typos in comments.
3845 * config/sh/constraints.md: Likewise.
3846 * config/sh/sh.md: Remove blank lines.
3847 Fix typos in comments. Use ;; as comment characters.
3849 2012-02-26 Walter Lee <walt@tilera.com>
3851 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
3852 (replace_mov_pcrel_step2): Ditto.
3854 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
3857 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
3858 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
3859 and locs that reference values newer than the non-canonical value
3860 at hand. Return the canonical value as a worst case.
3861 (memrefs_conflict_p): Walk canonical value's locs.
3864 * cselib.c (preserve_only_constants): Rename to...
3865 (preserve_constants_and_equivs): ... this. Split out...
3866 (invariant_or_equiv_p): ... this. Preserve plus expressions
3867 of other preserved expressions too.
3868 (cselib_reset_table): Adjust.
3869 * var-tracking.c (reverse_op): Use canonical value to build
3872 2012-02-23 Kai Tietz <ktietz@redhat.com>
3874 * config/i386/i386.c (ix86_delegitimize_address): Handle
3875 UNSPEC_PCREL plus displacement.
3877 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
3880 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
3881 to test for unusedness in st X addressing.
3883 2012-02-24 Richard Guenther <rguenther@suse.de>
3886 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
3887 (is_gimple_reg_type): Move inline ...
3888 * gimple.h (is_gimple_reg_type): ... here.
3890 2012-02-24 Richard Guenther <rguenther@suse.de>
3893 * passes.c (execute_function_todo): When verifying SSA form
3894 verify gimple form first.
3895 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
3897 2012-02-24 Richard Guenther <rguenther@suse.de>
3900 * fold-const.c (fold_addr_of_array_ref_difference): New function.
3901 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
3903 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3905 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
3907 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3909 * tree-phinodes.c (make_phi_node): Mark static.
3910 * tree-flow.h (make_phi_node): Remove extern decl.
3911 * doc/gimple.texi (make_phi_node): Remove documentation.
3913 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3915 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
3916 * tree-ssa-sccvn.c (print_scc): Ditto.
3918 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3920 * doc/passes.texi (Full redundancy elimination): Fix typo.
3922 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3924 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
3926 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
3929 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
3931 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
3934 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
3936 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
3938 * config/avr/avr.md (code_stdname): Add ior, xor.
3939 (xior): New code iterator.
3940 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
3941 (*<code_stdname><mode>qi.byte1-3): Ditto.
3943 2012-02-23 Jakub Jelinek <jakub@redhat.com>
3945 PR tree-optimization/52019
3946 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
3949 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3951 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
3952 HAVE_INITFINI_ARRAY to work around namespace pollution in
3953 certain versions of newlib system headers.
3954 * config.in: Regenerate.
3955 * configure: Regenerate.
3956 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
3957 instead of HAVE_INITFINI_ARRAY.
3959 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
3962 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
3963 is not offsettable memory reference.
3965 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
3968 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
3969 setting avr_need_clear_bss_p for __gnu_lto* symbols.
3971 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
3973 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
3974 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
3976 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3978 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
3979 library on Solaris 8 even without TLS support.
3980 * configure: Regenerate.
3982 2012-02-22 Richard Guenther <rguenther@suse.de>
3985 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
3986 for GIMPLE_DEBUG stmts.
3988 2012-02-22 Martin Jambor <mjambor@suse.cz>
3991 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
3992 according to the base object.
3994 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
3996 PR rtl-optimization/50063
3997 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
3998 and 2 (8-bit SP) in operand 2.
3999 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
4000 setup to use movhi_sp_r instead of vanilla move to write SP.
4001 Adjust REG_CFA notes to superseed unspec.
4002 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
4004 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
4005 known to be off) only with TARGET_NO_INTERRUPTS. Never use
4006 irq_state 1 (IRQ known to be on) here.
4008 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
4010 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
4012 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
4013 assign_hard_reg): Likewise.
4015 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
4017 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
4019 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
4022 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
4023 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
4025 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
4027 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
4028 prototype from here to...
4029 * config/avr/avr.h: ...here.
4031 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
4034 * thumb2.md (thumb2_shiftsi3_short): Split register and
4035 immediate shifts. For register shifts tie operands 0 and 1.
4036 (peephole2 for above): Check that register-controlled shifts
4037 have suitably tied operands.
4039 2012-02-21 Quentin Neill <quentin.neill@amd.com>
4042 * config/i386/bdver1.md (bdver1_call, bdver1_push,
4043 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
4044 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
4045 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
4046 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
4047 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
4048 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
4049 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
4050 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
4051 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
4052 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
4053 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
4054 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
4055 bdver1_ssevector_avx256_unaligned_load,
4056 bdver1_ssevector_sse128_unaligned_load,
4057 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
4058 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
4059 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
4060 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
4061 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
4062 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
4063 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
4064 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
4065 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
4066 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
4067 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
4068 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
4069 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
4070 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
4071 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
4072 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
4073 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
4074 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
4075 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
4076 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
4077 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
4078 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
4079 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
4080 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
4081 bdver1_ssediv_double_load, bdver1_ssediv_double,
4082 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
4083 Add "bdver2" attribute.
4085 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4087 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
4088 default if possible and not specified otherwise.
4090 2012-02-21 Richard Guenther <rguenther@suse.de>
4093 * gimplify.c (create_tmp_from_val): Use the main variant type
4094 for the type of the temporary we create.
4096 2012-02-21 Richard Guenther <rguenther@suse.de>
4098 PR tree-optimization/52324
4099 * gimplify.c (gimplify_expr): When re-gimplifying expressions
4100 do not gimplify a MEM_REF address operand if it is already
4103 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4105 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
4106 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
4108 2012-02-21 Richard Guenther <rguenther@suse.de>
4110 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
4111 nested_in_vect_loop.
4113 2012-02-21 Jakub Jelinek <jakub@redhat.com>
4115 PR tree-optimization/52318
4116 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
4117 vdef also to non-pure/const call stmts in the sequence.
4119 2012-02-21 Tristan Gingold <gingold@adacore.com>
4121 * config/vms/vms-ld.c (main): Fix IDENTIFICATION padding.
4123 2012-02-20 David S. Miller <davem@davemloft.net>
4125 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
4126 don't use the "rd %pc" instruction on v9 for PIC register loads.
4128 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
4131 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
4132 in a transaction safe function.
4134 2012-02-20 Kai Tietz <ktietz@redhat.com>
4137 * stor-layout.c (place_field): Handle desired_align for
4140 2012-02-20 Richard Guenther <rguenther@suse.de>
4142 PR tree-optimization/52298
4143 * tree-vect-stmts.c (vectorizable_store): Properly use
4144 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
4146 (vectorizable_load): Likewise.
4147 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
4148 Access DR_STEP after ensuring it is not NULL.
4150 2012-02-20 Jakub Jelinek <jakub@redhat.com>
4152 PR tree-optimization/52286
4153 * fold-const.c (fold_binary_loc): For (X & C1) | C2
4154 optimization use double_int_to_tree instead of build_int_cst_wide,
4155 rewrite to use double_int vars.
4157 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4160 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
4162 Remove -e 0 from $gcc_cv_ld invocation.
4163 Only use __GLIBC_PREREQ if defined.
4164 Enable on Solaris since Solaris 8 patch.
4165 (gcc_SUN_LD_VERSION): New macro.
4166 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
4167 gcc_SUN_LD_VERSION for version number format.
4168 * configure: Regenerate.
4169 * varasm.c (get_elf_initfini_array_priority_section): Set
4170 SECTION_NOTYPE for non-default priority.
4171 Use get_section instead of get_unnamed_section to emit
4172 .init_array/.fini_array with default priority.
4174 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
4176 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
4177 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
4178 (mips_start_unique_function, mips_output_mips16_rdhwr)
4179 (mips_code_end): New functions.
4180 (TARGET_ASM_CODE_END): Define.
4182 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
4184 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
4185 to stubs with non-sibling calls.
4187 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
4189 * doc/invoke.texi (-fira-* options): Copy-edit.
4190 (ira-* parameters): Copy-edit.
4192 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
4194 * doc/invoke.texi: Minor copy-edits to bring into conformance with
4195 GCC coding conventions.
4197 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
4199 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
4200 when used as adjectives.
4202 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
4204 * doc/invoke.texi: Clean up "that"/"which" confusion.
4206 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
4208 * system.h: Poison SMALL_REGISTER_CLASSES
4209 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
4210 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
4212 2012-02-16 Jakub Jelinek <jakub@redhat.com>
4214 PR tree-optimization/52285
4215 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
4216 when deciding if a call is a tail call or tail recursion.
4218 2012-02-16 Kai Tietz <ktietz@redhat.com>
4220 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
4221 interger-constant displacement for UNSPEC_PCREL.
4223 2012-02-16 Jakub Jelinek <jakub@redhat.com>
4225 PR rtl-optimization/52208
4226 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
4227 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
4229 PR tree-optimization/52255
4230 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
4231 loop->header has virtual PHI, but exit_e->dest doesn't, add
4232 virtual PHI to exit_e->dest and adjust all uses after the loop.
4235 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
4236 children with clone_tree_hash, not after it.
4238 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
4240 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
4241 extended identifiers.
4243 2012-02-16 Jakub Jelinek <jakub@redhat.com>
4246 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
4247 a same_body_alias, also test whether e->callee isn't a former
4248 or current clone of the decl this is a same body alias of.
4250 PR translation/52264
4251 * cgraphunit.c (verify_cgraph_node): Fix a typo.
4253 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
4255 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
4257 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
4260 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
4261 force_reg instead of copy_to_reg for better optimization. Force
4262 non-register or memory operands into a register.
4264 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
4266 * extend.texi: Reserve upper bits of memory model for future use.
4268 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
4269 Anatoly Sokolov <aesok@post.ru>
4270 Eric Weddington <eric.weddington@atmel.com>
4273 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
4274 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
4275 Rewrite initializers for .macro.
4276 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
4277 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
4278 atxmega32d4, atxmega32x1.
4279 avrxmega4: atxmega64a3, atxmega64d3.
4280 avrxmega5: atxmega64a1, atxmega64a1u.
4281 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
4282 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
4283 avrxmega7: atxmega128a1, atxmega128a1u.
4284 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
4285 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
4286 (struct base_arch_s): Rename reserved to xmega_p.
4287 Rename reserved2 to have_rampd.
4288 (AVR_XMEGA): New define.
4289 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
4290 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
4291 * config/avr/predicates.md (io_address_operand): Take into
4293 (low_io_address_operand): Ditto.
4294 (high_io_address_operand): Ditto.
4295 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
4296 (enabled, movhi_sp_r): Use them.
4297 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
4298 cpp_define_formatted to built-in define __AVR_ARCH__.
4299 (__AVR_XMEGA__): New built-in define.
4300 (__AVR_HAVE_RAMPD__): New built-in define.
4301 (__AVR_HAVE_RAMPX__): New built-in define.
4302 (__AVR_HAVE_RAMPY__): New built-in define.
4303 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
4305 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
4306 (avr_option_override): Initialize them.
4307 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
4308 (avr_init_expanders): Initialize them. No more block several calls.
4309 (emit_push_sfr): New static function.
4310 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
4312 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
4313 (avr_print_operand): Print addreeses as symbols for
4314 RAMPX, RAMPY, RAMPD, CCP.
4315 (output_movhi): Handle AVR_XMEGA when writing to SP.
4316 (avr_out_movhi_mr_r_xmega): New static function.
4317 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
4318 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
4319 __RAMPD__, __CCP__ as needed.
4321 * config/avr/multilib.h: Regenerate.
4322 * config/avr/t-multilib: Regenerate.
4323 * config/avr/avr-tables.opt: Regenerate.
4325 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
4327 PR tree-optimization/50561
4328 * graphite-flattening.c (lst_project_loop): Do not
4329 remove old scattering dimensions after flattening.
4330 (lst_do_flatten): Likewise.
4332 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
4334 * doc/extend.texi (AVR Built-in Functions): Remove doc for
4335 __builtin_avr_map8, __builtin_avr_map16.
4336 Document __builtin_avr_insert_bits.
4338 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
4339 (insert_bits): New insn.
4340 (adjust_len.map_bits): Rename to insert_bits.
4341 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
4342 * avr-protos.h (avr_out_map_bits): Remove.
4343 (avr_out_insert_bits, avr_has_nibble_0xf): New.
4344 * config/avr/constraints.md (Cxf,C0f): New.
4345 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
4346 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
4347 New built-in define __BUILTIN_AVR_INSERT_BITS.
4348 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
4349 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
4350 (avr_move_bits): Rewrite.
4351 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
4353 (avr_map_op_t): New typedef.
4354 (avr_map_op): New static variable.
4355 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
4356 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
4357 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
4358 (bdesc_3arg, avr_expand_triop_builtin): New.
4359 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
4360 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
4361 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
4362 (avr_map_equal_p, avr_map_sig_p): Remove.
4363 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
4364 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
4365 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
4366 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
4367 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
4368 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
4370 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
4372 * config/c6x/c6x.md (reserve_cycles): New attribute.
4373 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
4374 don't reserve functional units after the branch occurs.
4376 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
4379 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
4380 functions into non-tm_pure functions.
4382 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
4385 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
4386 (iterative_hash_canonical_type): Likewise.
4387 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
4390 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
4392 * haifa-sched.c (prune_ready_list): Ensure that if there is a
4393 sched-group insn, it either remains alone or the entire list is pruned.
4395 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
4397 * doc/install.texi (Prerequisites): Fix grammar.
4398 (Configuration): Likewise.
4400 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
4402 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
4403 MPC as part of GCC before describing configuring with --with-gmp etc.
4404 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
4405 sources are present.
4407 2012-02-14 Jakub Jelinek <jakub@redhat.com>
4410 * dwarf2out.c (clone_tree_hash): New function.
4411 (copy_decls_walk): Use it instead of clone_tree.
4413 2012-02-14 Richard Guenther <rguenther@suse.de>
4415 PR tree-optimization/52244
4416 PR tree-optimization/51528
4417 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
4418 replacements for integral types.
4420 2012-02-14 Walter Lee <walt@tilera.com>
4422 * config.gcc: Handle tilegx and tilepro.
4423 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
4425 Add HAVE_AS_TLS check for tilegx and tilepro.
4426 * configure: Regenerate.
4427 * doc/contrib.texi: Add Mat Hostetter and self.
4428 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
4429 Document instruction intrinsics and network accessing intrinsics.
4430 (TILEPro Built-in Functions): New node. Document instruction
4431 intrinsics and network accessing intrinsics.
4432 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
4433 (Specific, tilepro-*-linux*): Likewise.
4434 * doc/invoke.texi (TILE-Gx Options): New section.
4435 (TILEPro Options): New section.
4436 * doc/md.texi (TILE-Gx): New section.
4437 (TILEPro): New section.
4438 * common/config/tilegx/tilegx-common.c: New file.
4439 * common/config/tilepro/tilepro-common.c: New file.
4440 * config/tilegx/constraints.md: New file.
4441 * config/tilegx/linux.h: New file.
4442 * config/tilegx/mul-tables.c: New file.
4443 * config/tilegx/predicates.md: New file.
4444 * config/tilegx/sync.md: New file.
4445 * config/tilegx/t-tilegx: New file.
4446 * config/tilegx/tilegx-builtins.h: New file.
4447 * config/tilegx/tilegx-c.c: New file.
4448 * config/tilegx/tilegx-generic.md: New file.
4449 * config/tilegx/tilegx-modes.def: New file.
4450 * config/tilegx/tilegx-multiply.h: New file.
4451 * config/tilegx/tilegx-protos.h: New file.
4452 * config/tilegx/tilegx.c: New file.
4453 * config/tilegx/tilegx.h: New file.
4454 * config/tilegx/tilegx.md: New file.
4455 * config/tilegx/tilegx.opt: New file.
4456 * config/tilepro/constraints.md: New file.
4457 * config/tilepro/gen-mul-tables.cc: New file.
4458 * config/tilepro/linux.h: New file.
4459 * config/tilepro/mul-tables.c: New file.
4460 * config/tilepro/predicates.md: New file.
4461 * config/tilepro/t-tilepro: New file.
4462 * config/tilepro/tilepro-builtins.h: New file.
4463 * config/tilepro/tilepro-c.c: New file.
4464 * config/tilepro/tilepro-generic.md: New file.
4465 * config/tilepro/tilepro-modes.def: New file.
4466 * config/tilepro/tilepro-multiply.h: New file.
4467 * config/tilepro/tilepro-protos.h: New file.
4468 * config/tilepro/tilepro.c: New file.
4469 * config/tilepro/tilepro.h: New file.
4470 * config/tilepro/tilepro.md: New file.
4471 * config/tilepro/tilepro.opt: New file.
4473 2012-02-14 Jakub Jelinek <jakub@redhat.com>
4475 PR tree-optimization/52210
4476 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
4477 vect_model_simple_cost with two entry vect_def_type array instead
4478 of an address of dt.
4480 2012-02-14 Richard Guenther <rguenther@suse.de>
4483 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
4484 Do not stream DECL_QUALIFIER.
4485 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
4486 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
4487 (find_decls_types_r): Do not walk DECL_QUALIFIER.
4489 2012-02-14 Jakub Jelinek <jakub@redhat.com>
4492 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
4495 2012-02-13 Jakub Jelinek <jakub@redhat.com>
4498 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
4499 * cselib.c (cselib_subst_to_values_from_insn): New function.
4500 * sched-deps.c (add_insn_mem_dependence,
4501 sched_analyze_1, sched_analyze_2): Use it.
4503 2012-02-13 Jan Hubicka <jh@suse.cz>
4506 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
4508 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
4510 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
4511 (GTM_SELF_SPECS): Define if not already defined.
4512 (driver_self_specs): Add GTM_SELF_SPECS.
4513 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
4514 (GTM_SELF_SPECS): Define.
4515 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
4516 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
4518 2012-02-13 Jakub Jelinek <jakub@redhat.com>
4520 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
4523 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
4526 * omp-low.c (expand_omp_for): If a static schedule without chunk size
4527 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
4529 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
4532 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
4534 2012-02-13 Richard Guenther <rguenther@suse.de>
4536 PR translation/52211
4537 * passes.c (enable_disable_pass): Fix typo.
4539 2012-02-13 Jakub Jelinek <jakub@redhat.com>
4542 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
4543 XOR for reduce_bit_field if type is unsigned.
4545 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
4547 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
4548 disallow changes from SFmode to mode with different size in FP regs.
4550 2012-02-12 Robert Millan <rmh@gnu.org>
4551 Gerald Pfeifer <gerald@pfeifer.com>
4553 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
4556 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
4558 PR rtl-optimization/52175
4559 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
4560 to frame-related instructions.
4562 2012-02-10 Jason Merrill <jason@redhat.com>
4565 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
4566 (demangle_new_symbols): Fill it.
4567 (scan_linker_output): Walk it.
4568 (start_tweaking): Split out from scan_linker_output.
4569 (maybe_tweak): Update sym->chosen.
4570 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
4572 2012-02-11 Jakub Jelinek <jakub@redhat.com>
4575 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
4577 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
4579 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
4580 having the same mode as previous compare.
4582 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
4584 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
4585 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
4586 (nonlocal_goto_internal): Likewise.
4587 (nonlocal_goto): Emit a use and an indirect jump directly.
4589 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
4592 * doc/extend.texi : Update comments for __atomic_compare_exchange and
4593 __atomic_{is,always}_lock_free.
4595 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
4598 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
4599 negative constant address for TARGET_X32.
4601 2012-02-10 Richard Henderson <rth@redhat.com>
4603 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
4604 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
4605 for GIMPLE_TRANSACTION. Tidy if's into a switch.
4607 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4608 Ira Rosen <irar@il.ibm.com>
4610 PR tree-optimization/50031
4611 * targhooks.c (default_builtin_vectorization_cost): Handle
4613 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
4614 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
4615 all types of reduction and pattern statements.
4616 (vect_estimate_min_profitable_iters): Likewise.
4617 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
4618 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
4619 for explicit realigns.
4620 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
4621 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
4623 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
4624 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
4625 vec_perm for VSX and handle vec_promote_demote.
4627 2012-02-10 Jakub Jelinek <jakub@redhat.com>
4630 * builtins.c (fold_builtin_atomic_always_lock_free,
4631 expand_builtin_atomic_always_lock_free,
4632 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
4633 Return and/or test boolean_true_node/boolean_false_node instead of
4634 integer_one_node/integer_zero_node.
4636 2012-02-10 Jan Hubicka <jh@suse.cz>
4639 * predict.c (predict_paths_for_bb): Prevent looping.
4640 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
4642 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
4644 * config/arm/arm.c (output_move_double): In one case properly
4645 count number of instructions that will be emitted.
4647 2012-02-10 Richard Guenther <rguenther@suse.de>
4649 PR translation/52193
4650 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
4652 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
4655 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
4657 2012-02-09 Jakub Jelinek <jakub@redhat.com>
4660 * var-tracking.c (emit_note_insn_var_location): If
4661 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
4662 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
4663 non-NOTE_DURING_CALL_P insn.
4665 2012-02-09 Bin Cheng <bin.cheng@arm.com>
4668 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
4670 2012-02-08 Magnus Granberg <zorry@gentoo.org>
4673 * gcc.c (switch_matches) Support switches with separated form,
4676 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
4678 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
4680 (RAMPZ_ADDR): Ditto.
4681 * config/avr/avr.c (avr_addr_t): New typedef.
4682 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
4683 (avr_init_expanders): Initialize it.
4684 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
4686 (expand_epilogue): Ditto.
4687 (avr_print_operand): Ditto.
4688 (avr_file_start): Ditto.
4689 (avr_emit_movmemhi): Ditto.
4691 2012-02-08 Richard Guenther <rguenther@suse.de>
4693 PR tree-optimization/46886
4694 * tree-flow.h (do_while_loop_p): Declare.
4695 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
4696 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
4698 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
4700 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
4701 always succeed for integers larger than a native word.
4703 2012-02-08 Richard Guenther <rguenther@suse.de>
4705 PR rtl-optimization/52170
4706 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
4707 properly handle integer vector modes.
4709 2012-02-08 Jakub Jelinek <jakub@redhat.com>
4711 PR gcov-profile/52150
4712 * coverage.c: Include target.h.
4713 (build_var): Call targetm.strip_name_encoding on the assembler name.
4714 Change one _ into . or $ if the target allows it.
4715 * Makefile.in (coverage.o): Depend on $(TARGET_H).
4717 PR rtl-optimization/52139
4718 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
4719 is a BARRIER after emit_insn_after_noloc, move BB_END
4720 to the last non-BARRIER insn before it.
4722 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
4725 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
4726 (mips_gimplify_va_arg_expr): Call it instead of
4727 std_gimplify_va_arg_expr.
4729 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
4731 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
4732 message for -mno-pointers-to-nested-function.
4734 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
4737 * expr.c (get_inner_reference): If there is an offset, add a negative
4738 bit position to it (if any).
4740 2012-02-07 Jakub Jelinek <jakub@redhat.com>
4742 PR rtl-optimization/52060
4743 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
4744 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
4745 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
4746 and/or i0src_copy2 when needed.
4748 2012-02-07 Jakub Jelinek <jakub@redhat.com>
4750 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
4751 or LTOPLUGINSONAME if have_c.
4753 * config/freebsd-spec.h: Add comment about what macros can be defined
4755 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
4756 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
4759 2012-02-07 Richard Guenther <rguenther@suse.de>
4761 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
4762 newline in -alias dumps.
4764 2012-02-07 Kai Tietz <ktietz@redhat.com>
4765 Dave Korn <dave.korn.cygwin@gmail.com>
4768 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
4769 Take care that typinfo gets dllexport-attribute.
4771 2012-02-07 Jakub Jelinek <jakub@redhat.com>
4774 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
4775 if modifier < EXPAND_SUM call force_operand on the result.
4777 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
4779 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
4780 adding __forwarder_dst__ prefix if a forwarder_section attribute is
4782 (epiphany_function_type): Replace types for specific interrupts with
4783 EPIPHANY_FUNCTION_INTERRUPT.
4784 (EPIPHANY_INTERRUPT_P): Update.
4785 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
4786 New static function.
4787 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
4788 <disinterrupt>: Affects type identity.
4789 (epiphany_handle_interrupt_attribute): Handle variable number of
4791 (epiphany_compute_function_type): Update for new
4792 epiphany_function_type definition.
4793 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
4794 handlers with a longcall forwarder.
4795 (epiphany_start_function): Handle multiple interrupt arguments and/or
4796 forwarder_section attribute.
4798 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
4801 2012-02-07 Alan Modra <amodra@gmail.com>
4804 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
4807 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
4809 PR tree-optimization/50969
4810 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
4811 use vec_perm rather than vector_stmt.
4812 (vect_model_load_cost): Likewise.
4813 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
4814 vec_perm to be the same as other vector statements.
4815 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
4816 cost of vec_perm for TARGET_VSX.
4818 2012-02-06 Richard Guenther <rguenther@suse.de>
4820 PR tree-optimization/52115
4821 * tree-sra.c (access_has_replacements_p): New function.
4822 (sra_modify_assign): Use it to decide whether a use is uninitialized.
4824 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
4827 * trans-mem.c (expand_call_tm): Add an assertion.
4828 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
4831 2012-02-06 Richard Guenther <rguenther@suse.de>
4833 PR tree-optimization/50955
4834 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
4835 raise cost of expressions that replace an address with an
4836 expression based on a different pointer.
4838 2012-02-06 Jakub Jelinek <jakub@redhat.com>
4841 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
4842 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
4844 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
4847 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
4848 -Weffc++ and specify guidelines come from second edition.
4850 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
4852 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
4853 (sibcall_value_multiple_internal, call_split, call_internal_direct)
4854 (call_direct_split, call_value_split, call_value_internal_direct)
4855 (call_value_direct_split, call_value_multiple_split): Use jal and
4856 jal_macro attributes.
4858 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
4860 * reload1.c (reload_regs_reach_end_p): Replace with...
4861 (reload_reg_rtx_reaches_end_p): ...this function.
4862 (new_spill_reg_store): Update commentary.
4863 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
4864 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
4865 before setting new_spill_reg_store.
4866 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
4867 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
4868 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
4869 for non-spill reload registers.
4871 2012-02-05 Ira Rosen <irar@il.ibm.com>
4873 PR tree-optimization/52091
4874 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
4875 (vect_is_simple_use_1): Likewise.
4876 * tree-vect-loop.c (vectorizable_reduction): Update calls
4877 to vect_is_simple_use_1 and vect_is_simple_use.
4878 (vectorizable_live_operation): Likewise.
4879 * tree-vect-patterns.c (widened_name_p,
4880 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
4881 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
4882 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
4883 vectorizable_shift,vectorizable_operation, vectorizable_store,
4884 vectorizable_load): Likewise.
4885 (vect_is_simple_cond): Add an argument, pass it to
4886 vect_is_simple_use_1.
4887 (vectorizable_condition): Update calls to vect_is_simple_cond,
4889 (vect_is_simple_use): Add an argument, the statement in which
4890 OPERAND is used. Check that if OPERAND's def stmt is a double
4891 reduction phi node, the use is a phi node too.
4892 (vect_is_simple_use_1): Add an argument, pass it to
4894 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
4895 to vect_is_simple_use.
4897 2012-02-04 Jakub Jelinek <jakub@redhat.com>
4899 PR rtl-optimization/52095
4900 * modulo-sched.c (dump_insn_locator): New function.
4901 (loop_canon_p, sms_schedule): Use it.
4903 PR rtl-optimization/52113
4904 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
4905 even for decomposable shift/zext insns.
4907 2012-02-03 Jakub Jelinek <jakub@redhat.com>
4908 Zdenek Dvorak <ook@ucw.cz>
4910 PR rtl-optimization/52092
4911 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
4912 on get_iv_value result.
4914 2012-02-02 Andrew Pinski <apinski@cavium.com>
4918 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
4920 2012-02-02 Jakub Jelinek <jakub@redhat.com>
4923 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
4925 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
4927 PR rtl-optimization/49800
4928 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
4929 (sched_finish): Call regstat_free_n_sets_and_refs.
4931 2012-02-02 Jia Liu <proljc@gmail.com>
4933 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
4936 2012-02-02 Jan Hubicka <jh@suse.cz>
4937 Tom de Vries <tom@codesourcery.com>
4940 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
4941 * varpool.c (varpool_analyze_pending_decls): Likewise.
4943 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
4944 Jayant R Sonar <jayant.sonar@kpitcummins.com>
4946 * config.gcc: Add cr16-* support.
4948 * doc/extend.texi: Document cr16 extensions.
4949 * doc/install.texi: Document cr16 install.
4950 * doc/invoke.texi: Document cr16 options.
4951 * doc/md.texi: Document cr16 constraints.
4953 * common/config/cr16/cr16-common.c: New file.
4954 * config/cr16/cr16.c: New file.
4955 * config/cr16/cr16.h: New file.
4956 * config/cr16/cr16.md: New file.
4957 * config/cr16/cr16.opt: New file.
4958 * config/cr16/cr16-protos.h: New file.
4959 * config/cr16/predicates.md: New file.
4960 * config/cr16/constraints.md: New file.
4961 * config/cr16/t-cr16: New file.
4963 2012-02-02 Jakub Jelinek <jakub@redhat.com>
4966 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
4967 that operands[2] is either immediate, or q_regs_operand.
4969 PR tree-optimization/52073
4970 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
4971 a pattern stmt for pattern uses, ignore uses outside of the loop.
4973 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
4975 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
4976 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
4977 (OUT_AS1, OUT_AS2): Remove.
4979 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
4981 PR rtl-optimization/51374
4982 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
4983 to cross other volatile_refs_p insns.
4985 2012-02-01 Richard Guenther <rguenther@suse.de>
4987 * doc/invoke.texi (fno-inline): Clarify documentation.
4988 (finline-small-functions): Likewise.
4989 (finline-functions): Likewise.
4990 * common.opt (finline): Adjust comment and documentation.
4991 (finline-small-functions): Clarify documentation.
4992 (finline-functions): Likewise.
4993 (finline-functions-called-once): Likewise.
4995 2012-02-01 Tristan Gingold <gingold@adacore.com>
4997 * c-typeck.c (composite_type): Keep mode for pointers.
4999 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
5001 * function.h (regno_reg_rtx): Adjust comment.
5002 * reginfo.c (init_reg_modes_target): Only use the previous mode
5003 if it fits within one register. Remove MIPS comment.
5005 2012-01-31 Jakub Jelinek <jakub@redhat.com>
5008 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
5010 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5012 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
5013 to srak instruction.
5015 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
5017 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
5019 2012-01-31 Jakub Jelinek <jakub@redhat.com>
5024 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
5026 2012-01-31 Richard Guenther <rguenther@suse.de>
5028 PR tree-optimization/51528
5029 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
5032 2012-01-31 Jakub Jelinek <jakub@redhat.com>
5037 * ree.c (add_removable_extension): Change def_map argument
5038 to unsigned *, store in def_map 1 + offset into *insn_list vector
5039 instead of pointers into the vector.
5040 (find_removable_extensions): Adjust caller.
5042 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
5044 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
5045 Transform all "* quoted-c-code" to { c-code }.
5046 Remove redundant test for "optimize" in combine patterns.
5047 Move (include "avr-dimode.md") to end of file.
5049 2012-01-30 Bin Cheng <bin.cheng@arm.com>
5052 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
5053 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
5055 2012-01-30 Richard Guenther <rguenther@suse.de>
5057 PR tree-optimization/52028
5058 * tree-loop-distribution.c (ldist_gen): Properly update
5061 2012-01-30 Jakub Jelinek <jakub@redhat.com>
5064 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
5065 set_cur_line_info_table if not emitting debug info.
5067 PR tree-optimization/52046
5068 * tree-vect-patterns.c (check_bool_pattern): Give up if
5069 a comparison could throw.
5072 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
5074 2012-01-30 Richard Guenther <rguenther@suse.de>
5076 PR tree-optimization/52045
5077 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
5078 SSA form if cfgcleanup did anything.
5080 2012-01-30 Richard Guenther <rguenther@suse.de>
5082 PR tree-optimization/52045
5083 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
5084 before computing final todo.
5086 2012-01-30 Richard Guenther <rguenther@suse.de>
5088 PR tree-optimization/51528
5089 * tree-sra.c (sra_modify_assign): Re-factor in preparation
5092 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
5094 * df-problems.c (df_kill_notes): Check that the use refers
5095 to the note under examination.
5097 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
5100 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
5101 parameter and use short-lived pseudos.
5102 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
5103 (sparc_expand_vector_init): Const-ify local variables and adjust
5104 calls to above functions.
5106 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
5108 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
5110 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
5112 * doc/invoke.texi: Make usage of "compile time" and
5113 "run time"/"runtime" consistent throughout the file.
5115 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
5117 * config/alpha/alpha.c (alpha_option_override): Default to
5118 full IEEE compliance mode for Go language.
5120 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
5122 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
5123 (LINK_SSP_SPEC): Define.
5125 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5128 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
5131 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
5133 * doc/invoke.texi: Correct hyphenation of "floating point",
5134 "double precision", and related terminology throughout the file.
5136 2012-01-28 Jakub Jelinek <jakub@redhat.com>
5139 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
5140 arm_general_register_operand predicate for operand 2 instead of
5143 2012-01-27 Ian Lance Taylor <iant@google.com>
5146 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
5147 * builtins.c (expand_builtin_init_trampoline): Add onstack
5148 parameter. Change caller.
5149 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
5150 * tree.c (build_common_builtin_nodes): Declare
5151 __builtin_init_heap_trampoline.
5153 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
5155 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
5156 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
5157 * config/avr/avr.c: Ditto.
5158 (avr_regnames): Remove because unused.
5159 * config/avr/avr.md (*cpse.ne): New peephole.
5160 (*cpse.eq): New peephole from former cpse peepholes.
5162 2012-01-27 Michael Eager <eager@eagercon.com>
5164 * config/microblaze.c (microblaze_emit_compare): Correct
5165 test after pcmp instruction.
5167 2012-01-27 Richard Guenther <rguenther@suse.de>
5169 PR tree-optimization/52020
5170 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
5172 2012-01-27 Richard Guenther <rguenther@suse.de>
5174 * ipa-pure-const.c (check_stmt): Clobbers do not make a
5175 function non-const/pure.
5177 2012-01-27 Richard Guenther <rguenther@suse.de>
5179 PR tree-optimization/50444
5180 * tree-sra.c (build_ref_for_offset): Properly adjust the
5181 MEM_REF type for unaligned accesses.
5183 2012-01-27 Richard Guenther <rguenther@suse.de>
5185 PR tree-optimization/50444
5186 * expr.c (mem_ref_refers_to_non_mem_p): New function.
5187 (expand_assignment): Use it. Properly handle misaligned
5188 bases when expanding stores to component references.
5189 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
5192 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
5195 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
5196 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
5197 * tree-data-ref.c (find_data_references_in_loop): Make static.
5198 (compute_all_dependences): Change return type to bool. Bail out
5199 for too many datarefs in a loop. Move the hunk resetting the data
5200 dependences vector from ...
5201 (compute_data_dependences_for_loop): ... here. Account for
5202 compute_all_dependences returning false.
5203 (compute_data_dependences_for_bb): Likewise.
5204 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
5205 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
5207 2012-01-27 Richard Guenther <rguenther@suse.de>
5210 * expr.c (store_field): Use the alias-set of the scratch memory
5213 2012-01-27 Tom de Vries <tom@codesourcery.com>
5215 PR tree-optimization/51990
5216 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
5218 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
5220 2012-01-27 Jakub Jelinek <jakub@redhat.com>
5223 * var-tracking.c (reverse_op): Don't add any reverse operation
5224 if V already has any constant locations.
5226 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
5228 * doc/invoke.texi: Correct usage of "command line" (noun)
5229 vs "command-line" (adjective) throughout.
5231 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
5233 * doc/invoke.texi (Language Independent Options): Move
5234 -Wcoverage-mismatch blurb from here....
5235 (Warning Options): ...to here.
5237 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
5239 * config/rs6000/rs6000.c (rs6000_option_override_internal):
5240 Set rs6000_always_hint to false for 476.
5242 2012-01-27 Matthias Klose <doko@ubuntu.com>
5244 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
5246 * incpath.c (add_standard_paths): Likewise.
5248 2012-01-27 Richard Henderson <rth@redhat.com>
5250 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
5251 * config/m68k/sync.md (atomic_test_and_set): Rename from
5252 sync_test_and_setqi and adjust the operands.
5253 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
5254 and unconditionally enable.
5256 2012-01-27 Richard Henderson <rth@redhat.com>
5258 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
5259 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
5260 (ldstub): Rename from ldstubqi.
5261 (ldstub<I24MODE>): Remove.
5263 2012-01-27 Richard Henderson <rth@redhat.com>
5265 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
5266 * c-cppbuiltin.c (cpp_atomic_builtins): Define
5267 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
5268 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
5269 * doc/tm.texi: Rebuild.
5271 2012-01-27 Richard Henderson <rth@redhat.com>
5273 * optabs.c (gen_atomic_test_and_set): Remove default.
5274 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
5276 2012-01-26 Jakub Jelinek <jakub@redhat.com>
5278 PR rtl-optimization/51978
5279 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
5280 (combine_reaching_defs): Likewise.
5281 (struct re_info): Remove.
5282 (add_removable_extension): Remove x and data arguments,
5283 add insn, insn_list and def_map. Use the arguments directly
5284 instead of using struct re_info.
5285 (find_removable_extensions): Don't call add_removable_extension
5286 through note_stores, instead just call it with single_set
5288 (find_and_remove_re): Pass curr_cand->expr instead of
5289 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
5291 2012-01-26 Michael Matz <matz@suse.de>
5293 PR tree-optimization/46590
5294 * cfgexpand.c: Revert last change (r183305).
5295 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
5297 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
5298 checking for emptiness.
5300 2012-01-26 Jakub Jelinek <jakub@redhat.com>
5303 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
5304 non-addressable non-BLKmode base correctly.
5306 2012-01-26 Michael Matz <matz@suse.de>
5308 PR tree-optimization/48794
5309 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
5310 regions referenced from RESX/EH_DISPATCH.
5312 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5314 * config/s390/s390.h: Make BRANCH_COST an option.
5315 * config/s390/s390.opt: New option -mbranch-cost.
5317 2012-01-26 Richard Henderson <rth@redhat.com>
5319 Revert 2012-01-24 change:
5320 * trans-mem.c (requires_barrier): Do not instrument thread local
5321 variables and emit save/restore for them.
5323 2012-01-25 Jakub Jelinek <jakub@redhat.com>
5326 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
5329 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
5331 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
5334 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
5337 Rename __pgm to __flash.
5338 Rename __pgm1 to __flash1.
5339 Rename __pgm2 to __flash2.
5340 Rename __pgm3 to __flash3.
5341 Rename __pgm4 to __flash4.
5342 Rename __pgm5 to __flash5.
5343 Rename __pgmx to __memx.
5344 * doc/extend.texi (AVR Named Address Spaces)
5345 Rename address space names as indicated above.
5346 * config/avr/avr.c (avr_addrspace): Ditto.
5348 * config/avr/avr-protos.h
5349 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
5350 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
5351 * config/avr/predicates.md: Ditto.
5352 * config/avr/avr.c Ditto, and
5353 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
5354 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
5356 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
5357 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
5358 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
5359 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
5360 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
5361 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
5362 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
5363 * config/avr/avr.c: Ditto.
5364 * config/avr/avr.md: Ditto.
5366 2012-01-25 Jason Merrill <jason@redhat.com>
5369 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
5371 2012-01-25 Jakub Jelinek <jakub@redhat.com>
5373 PR tree-optimization/51987
5374 * tree-data-ref.c (get_references_in_stmt): Handle references in
5375 non-volatile GIMPLE_ASM.
5377 2012-01-25 Richard Guenther <rguenther@suse.de>
5379 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
5380 bases are dereferenced.
5382 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
5384 PR rtl-optimization/48374
5385 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
5387 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
5389 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
5390 compute_data_dependences_for_loop returns false.
5391 * tree-parloops.c (loop_parallel_p): Likewise.
5393 2012-01-25 Richard Guenther <rguenther@suse.de>
5395 * tree.h (get_pointer_alignment_1): Declare.
5396 * builtins.c (get_pointer_alignment_1): New function.
5397 (get_pointer_alignment): Use it.
5399 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
5401 PR rtl-optimization/48308
5402 * combine.c (enum undo_kind): Add UNDO_LINKS.
5403 (struct undo): Add member l to other_contents and where.
5404 (do_SUBST_LINK): New.
5406 (try_combine): Handle LOG_LINKS for the dummy i1 case.
5407 (undo_all): Handle UNDO_LINKS.
5409 2012-01-25 Richard Henderson <rth@redhat.com>
5411 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
5414 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
5416 * optabs.c (gen_atomic_test_and_set): Use each argument.
5418 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
5420 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
5421 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
5422 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
5423 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
5424 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
5425 TARGET_PAIRED_SINGLE_FLOAT.
5427 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
5429 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
5430 (in_struct, return_val): Remove MEM documentation.
5431 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
5432 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
5433 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
5435 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
5436 * cfgexpand.c (add_alias_set_conflicts): Likewise.
5437 * expr.c (store_field): Likewise.
5438 * function.c (assign_stack_temp_for_type): Likewise.
5439 * ifcvt.c (noce_try_cmove_arith): Likewise.
5440 * reload1.c (reload): Likewise.
5441 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
5442 (alpha_set_memflags): Likewise.
5443 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
5445 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
5447 * rtl.h (true_dependence, canon_true_dependence): Remove varies
5449 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
5450 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
5451 (true_dependence_1, true_dependence, canon_true_dependence): Remove
5453 * cselib.c (cselib_rtx_varies_p): Delete.
5454 (cselib_invalidate_mem): Update call to canon_true_dependence.
5455 * dse.c (record_store, check_mem_read_rtx): Likewise.
5456 (scan_reads_nospill): Likewise.
5457 * cse.c (check_dependence): Likewise.
5458 (cse_rtx_varies_p): Delete.
5459 * expr.c (safe_from_p): Update call to true_dependence.
5460 * ira.c (validate_equiv_mem_from_store): Likewise.
5461 (memref_referenced_p): Likewise.
5462 * postreload-gcse.c (find_mem_conflicts): Likewise.
5463 * sched-deps.c (sched_analyze_2): Likewise.
5464 * store-motion.c (load_kills_store): Likewise.
5465 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
5466 * gcse.c (mems_conflict_for_gcse_p): Likewise.
5467 (compute_transp): Update call to canon_true_dependence.
5469 2012-01-25 Richard Henderson <rth@redhat.com>
5471 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
5472 (maybe_emit_atomic_test_and_set): New.
5473 (expand_sync_lock_test_and_set): Use it.
5474 (expand_atomic_test_and_set): Likewise.
5475 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
5476 the implementation; clarify implementation defined details.
5477 * doc/md.texi (atomic_test_and_set): Document.
5479 2012-01-25 Richard Henderson <rth@redhat.com>
5481 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
5483 2012-01-25 Richard Henderson <rth@redhat.com>
5486 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
5487 to effect no-op split.
5489 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
5492 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
5493 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
5494 (BT_FN_VOID_PTR_INT_SIZE): New.
5495 (BT_FN_UINT_UINT_VAR): Remove.
5496 (BT_FN_UINT32_UINT32_VAR): New.
5497 (BT_FN_DOUBLE_VPTR): Remove.
5498 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
5500 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
5501 (_ITM_changeTransactionMode): Same.
5502 (_ITM_memmoveRtWt): Change return type to void.
5503 (_ITM_memcpyRtWt): Same.
5504 (_ITM_memsetW): Same.
5505 (_ITM_RaRD): Change types to double.
5510 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
5512 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
5513 Patrick Marlier <patrick.marlier@gmail.com>
5515 * trans-mem.c (requires_barrier): Do not instrument thread local
5516 variables and emit save/restore for them.
5518 2012-01-24 Jason Merrill <jason@redhat.com>
5521 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
5522 output static aliases.
5524 2012-01-24 Jakub Jelinek <jakub@redhat.com>
5527 * common.opt (-pie, -shared, pie, shared): Change from Common to
5529 * gcc.c (display_help): Display help for -pie and -shared.
5531 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
5534 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
5535 Remove note on size/offset limitation.
5536 (AVR Variable Attributes): Add example how to read data located
5537 with progmem. Refer to named address spaces.
5538 * doc/invoke.texi (AVR Options): Fix typo.
5540 2012-01-24 Richard Guenther <rguenther@suse.de>
5542 Forward-port to trunk
5543 2010-09-21 Jakub Jelinek <jakub@redhat.com>
5546 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
5547 op0 isn't sufficiently aligned and there is movmisalignM
5548 insn for mode, use it to load op0 into a temporary register.
5550 2012-01-24 Jakub Jelinek <jakub@redhat.com>
5553 * target.def (const_not_ok_for_debug_p): New hook.
5554 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
5556 * doc/tm.texi: Regenerated.
5557 * dwarf2out.c (const_ok_for_output_1): If
5558 targetm.const_not_ok_for_debug_p returns true, fail.
5559 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
5561 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
5563 2012-01-23 Kai Tietz <ktietz@redhat.com>
5566 * config/i386/predicates.md (symbolic_operand): Allow
5567 UNSPEC_PCREL as PIC expression for lea.
5568 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
5569 * config/i386/i386.c (ix86_delegitimize_address): Handle
5570 UNSPEC_PCREL for none-MEM, too.
5572 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
5574 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
5575 (ipa_tm_create_version_alias): Same.
5577 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
5580 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
5581 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
5583 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
5584 Patrick Marlier <patrick.marlier@gmail.com>
5585 Iain Sandoe <developer@sandoe-acoustics.co.uk>
5588 * lto-wrapper.c (run_gcc): Pass the LTO section name to
5589 simple_object_start_read.
5591 2012-01-23 Richard Guenther <rguenther@suse.de>
5594 PR tree-optimization/51895
5595 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
5596 parameter decomposition into BLKmode components.
5598 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
5600 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
5601 fake variables for restrict-qualified pointers whose pointed-to type
5602 contains a placeholder.
5604 2012-01-23 Richard Guenther <rguenther@suse.de>
5606 PR tree-optimization/51949
5607 * ipa-split.c (execute_split_functions): Do not split malloc functions.
5609 2012-01-23 Jakub Jelinek <jakub@redhat.com>
5611 PR rtl-optimization/51933
5612 * ree.c (transform_ifelse): Return true right away if dstreg is
5613 already wider or equal to cand->mode.
5614 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
5615 (make_defs_and_copies_lists): Remove defs_list and copies_list
5616 arguments, add state argument, just truncate state->work_list
5617 instead of always allocating and freeing the vector. Assert that
5618 get_defs succeeds instead of returning 2. Changed return type to bool.
5619 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
5620 have ext_src_mode, see if it has been modified already with the
5621 right kind of extension and has been extended before from the
5622 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
5623 just return true. Remember the original mode in state->modified array.
5624 (combine_reaching_defs): Add state argument. Don't allocate and
5625 free here def_list, copied_list and vec vectors, instead just
5626 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
5627 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
5628 Add state variable, clear vectors in it, initialize state.modified
5629 if needed. Free all the vectors at the end and state.modified too.
5630 Don't skip a candidate if the extension expression has been modified.
5632 2012-01-22 Douglas B Rupp <rupp@gnat.com>
5635 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
5636 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
5637 (extra_options) interix.opt -> i386/interix.opt"
5638 (extra_objs):Add winnt-stubs.o
5639 * configure.ac: Add interix to target_os .comm on PE check.
5640 * configure: Regenerate.
5641 * config/interix3.h: Delete and move bits to..
5642 * config/interix.h: Delete and move bits to..
5643 * config/i386/i386-interix3.h: Delete and move bits to..
5644 * config/i386/i386-interix.h: ..here.
5645 (TARGET_CPU_DEFAULT): Remove redefinition.
5646 (TARGET_ASM_CONSTRUCTOR): Undefine.
5647 (SUBTARGET_SWITCHES): Define for ms-bitfields.
5648 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
5649 (PTRDIFF_TYPE): Define.
5650 (LONG_DOUBLE_TYPE_SIZE): Define.
5651 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
5652 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
5653 (TARGET_SECTION_TYPE_FLAGS): Define.
5654 (ASM_DECLARE_FUNCTION_NAME): Define.
5655 (ASM_OUTPUT_EXTERNAL): Define.
5656 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
5657 (ASM_OUTPUT_ALIGNED_BSS): Define.
5658 (PCC_BITFIELD_TYPE_MATTERS): Define.
5659 (USE_CONST_SECTION): Define.
5660 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
5661 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
5662 (SUPPORTS_ONE_ONLY): Remove.
5663 (I386_PE_STRIP_ENCODING): Define.
5664 * config/interix.opt: Delete and move bits to..
5665 * config/i386/interix.opt: ..here. New.
5666 (mpe-aligned-commons): Add.
5667 * config/i386/t-interix: Add copyright header.
5668 (winnt-stubs.o): Add rule.
5670 2012-01-22 Jason Merrill <jason@redhat.com>
5673 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
5674 for extra name aliases.
5676 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
5678 PR rtl-optimization/51924
5679 * ree.c (combine_set_extension): Improve debugging message.
5680 (combine_reaching_defs): Likewise.
5681 (get_defs): Rename confusingly named variable.
5682 (find_and_remove_re): Skip a candidate if the extension expression has
5685 2012-01-21 Robert Millan <rmh@gnu.org>
5686 Gerald Pfeifer <gerald@pfeifer.com>
5688 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
5689 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
5691 2012-01-20 Jakub Jelinek <jakub@redhat.com>
5693 PR tree-optimization/51914
5694 * tree-vect-stmts.c (vectorizable_conversion): For
5695 cvt_type && modifier == WIDEN, put temporary with cvt_type
5696 at the beginning of vec_dsts and set vec_dest to temporary
5699 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
5701 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
5703 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
5705 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
5706 * config/rs6000/rs6000.c: Likewise.
5708 2012-01-20 Jakub Jelinek <jakub@redhat.com>
5711 * config/arm/arm.c (arm_count_output_move_double_insns): Call
5712 output_move_double on a copy of operands array.
5714 2012-01-20 Cary Coutant <ccoutant@google.com>
5715 Dodji Seketeli <dodji@redhat.com>
5718 * dwarf2out.c (copy_declaration_context): Return ref to parent
5719 of declaration DIE, if necessary.
5720 (remove_child_or_replace_with_skeleton): Add new parameter; update
5721 caller. Place skeleton DIE under parent DIE of original declaration.
5722 Move call to copy_declaration_context to here ...
5723 (break_out_comdat_types): ... from here.
5725 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5727 PR rtl-optimization/51856
5728 * reload.c (find_reloads_subreg_address): Set the address_reloaded
5731 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
5734 * config/arm/arm.c (arm_print_operand): Correct output of alignment
5735 hints for neon loads and stores.
5737 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
5741 * doc/extend.texi (Named Address Spaces): Split into subsections.
5742 (AVR Named Address Spaces): New subsection.
5743 (M32C Named Address Spaces): New subsection.
5744 (RL78 Named Address Spaces): New subsection.
5745 (SPU Named Address Spaces): New subsection.
5746 (Variable Attributes): New anchor "AVR Variable Attributes".
5747 (AVR Variable Attributes): Rewrite and avoid wording
5748 "address space" in this context.
5749 * doc/invoke.texi (AVR Options): Rewrite and add documentation
5750 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
5751 (AVR Built-in Macros): New subsubsection therein.
5752 * doc/md.texi (AVR constraints): Remove "C04", "R".
5754 2012-01-20 Richard Guenther <rguenther@suse.de>
5756 PR tree-optimization/51903
5757 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
5758 when removing stmts.
5760 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
5763 * config/arm/arm.c (arm_load_pic_register): Use
5764 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
5765 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
5766 (arm_pic_static_addr): Likewise.
5767 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
5768 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
5769 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
5770 (pic_load_addr_unified): New.
5772 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
5775 * function.c (instantiate_virtual_regs_in_insn): Use
5776 delete_insn_and_edges when removing a wrong asm insn.
5778 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
5780 PR rtl-optimization/40761
5781 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
5782 Add new member loop_num.
5783 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
5784 (ira_build): Remove the parameter.
5786 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
5787 (ira.c): Do not build CFG loops for one region allocation. Remove
5788 argument from ira_build call.
5790 * ira-build.c (init_loop_tree_node): New function.
5791 (create_loop_tree_nodes): Use it. Separate the case when CFG
5792 loops are not built.
5793 (more_one_region_p): Check current_loops.
5794 (finish_loop_tree_nodes): Separate the case when CFG loops are not
5796 (add_loop_to_tree): Process loop equal to NULL too.
5797 (form_loop_tree): Separate the case when CFG loops are not built.
5798 Use explicitly number for the root.
5799 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
5801 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
5802 instead of loop->num.
5803 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
5804 (mark_all_loops_for_removal): Ditto.
5805 (remove_unnecessary_regions): Separate the case when CFG loops
5807 (ira_build): Remove the parameter. Use explicit number of regions
5808 when CFG loops are not built.
5810 * ira-color.c (print_loop_title): Separate the case for the root node.
5811 Use loop_num instead of loop->num.
5812 (move_spill_restore): Use loop_num instead of loop->num.
5814 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
5815 (change_loop): Ditto.
5816 (change_loop): Use loop_num instead of loop->num.
5818 * ira-lives.c (process_bb_node_lives): Ditto.
5820 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
5822 * ira-conflicts.c (print_allocno_conflicts): Ditto.
5824 2012-01-19 Jakub Jelinek <jakub@redhat.com>
5827 * tree-mudflap.c (mf_artificial): New function.
5828 (execute_mudflap_function_ops, execute_mudflap_function_decls,
5829 mx_register_decls, mudflap_enqueue_decl): Use it.
5832 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
5833 numbers in the insn pattern.
5835 2012-01-19 Michael Matz <matz@suse.de>
5837 PR tree-optimization/46590
5838 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
5839 use it in remembering which conflicts we already created.
5840 (add_scope_conflicts): Adjust call to above, (de)allocate helper
5843 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
5846 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
5847 (merge_and_complain): Same.
5849 2012-01-19 Jakub Jelinek <jakub@redhat.com>
5852 * config/initfini-array.h: Guard content of the header
5853 with #ifdef HAVE_INITFINI_ARRAY.
5854 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
5855 Add initfini-array.h to tm_file here.
5856 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
5857 * config.gcc: Don't add initfini-array.h to tm_file here.
5858 * configure: Regenerated.
5860 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
5862 PR rtl-optimization/51505
5863 * df-problems.c (df_kill_notes): New parameter live. Update comment.
5864 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
5865 (df_note_bb_compute): Update the call to df_kill_notes.
5867 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
5869 * trans-mem.c (requires_barrier): Remove call to is_global_var.
5871 2012-01-18 Richard Guenther <rguenther@suse.de>
5873 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
5874 of conversions to void *.
5876 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5877 Richard Sandiford <rdsandiford@googlemail.com>
5881 * optabs.h (simplify_expand_binop): Declare.
5882 * optabs.c (simplify_expand_binop): Make global.
5883 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
5884 endian targets if the source cannot be exactly covered by word
5887 2012-01-17 Jakub Jelinek <jakub@redhat.com>
5890 * hard-reg-set.h (struct hard_reg_set_container): New type.
5891 * target.h (struct hard_reg_set_container): Forward declare.
5892 * target.def (set_up_by_prologue): New target hook.
5893 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
5894 * doc/tm.texi: Regenerated.
5895 * function.c (thread_prologue_and_epilogue_insns): Change
5896 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
5897 Call targetm.set_up_by_prologue on it.
5898 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
5899 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
5901 2012-01-17 Nick Clifton <nickc@redhat.com>
5903 * config/rx/rx.c (rx_can_use_simple_return): New function.
5904 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
5905 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
5907 2012-01-17 Richard Guenther <rguenther@suse.de>
5910 * expr.c (expand_assignment): Take address-space information
5911 from the address operand of MEM_REF and TARGET_MEM_REF.
5912 (expand_expr_real_1): Likewise.
5914 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5916 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
5917 reload dump is requested.
5919 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
5922 * trans-mem.c (requires_barrier): Call may_be_aliased.
5924 2012-01-17 Jakub Jelinek <jakub@redhat.com>
5926 PR tree-optimization/51877
5927 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
5928 call arguments and fndecls compare equal, instead return false if they
5929 don't. Return true only if lhs1 and lhs2 are either both NULL, or
5930 both SSA_NAMEs that are valueized the same, or they satisfy
5933 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5935 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
5937 * configure: Regenerate.
5939 2012-01-16 Jan Hubicka <jh@suse.cz>
5943 * convert.c (convert_to_integer): Use fold_convert for
5944 converting an INTEGER_CST to integer type.
5946 2012-01-16 Jason Merrill <jason@redhat.com>
5949 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
5951 2012-01-16 Jakub Jelinek <jakub@redhat.com>
5954 * config/s390/s390.c (s390_chunkify_start): Don't skip
5955 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
5956 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
5957 If insn is followed by NOTE_INSN_VAR_LOCATION or
5958 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
5959 Don't use location of note insns.
5961 PR tree-optimization/51865
5962 * tree-inline.c (tree_function_versioning): Call remap_decl
5963 on DECL_RESULT whenever it has VOID_TYPE_P type.
5965 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
5967 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
5968 for calls to locally-binding MIPS16 functions if only the return
5969 type uses float regs.
5971 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
5972 Richard Sandiford <rdsandiford@googlemail.com>
5974 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
5975 (SYMBOL_32_HIGH): Likewise.
5976 (mips_output_tls_reloc_directive): Declare.
5977 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
5978 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
5979 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
5980 (mips_lo_relocs, mips_hi_relocs): Make extern.
5981 (mips16_stub_function): Move up file.
5982 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
5983 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
5984 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
5985 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
5986 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
5987 (mips_get_tp): Add MIPS16 support.
5988 (mips_legitimize_tls_address): Remove MIPS16 sorry().
5989 Generalize DTPREL and TPREL handling.
5990 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
5991 Add MIPS16 TLS support.
5992 (mips_output_tls_reloc_directive): New function.
5993 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
5994 * config/mips/predicates.md (symbolic_operand_with_high)
5995 (tls_reloc_operand): New predicates.
5996 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
5997 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
5998 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
5999 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
6000 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
6001 (*tls_get_tp_mips16_call_<mode>): Likewise.
6003 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
6005 PR rtl-optimization/51821
6006 * recog.c (peep2_find_free_register): Determine clobbered registers
6009 2012-01-14 Denis Chertykov <chertykov@gmail.com>
6012 * config/avr/avr-protos.h: Revert change of 2012-01-09.
6013 * config/avr/avr.c: Likewise.
6014 * config/avr/avr.h: Likewise.
6016 2012-01-13 Ian Lance Taylor <iant@google.com>
6019 * tree.h (TYPE_QUALS): Add cast to int.
6020 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
6022 2012-01-13 Ian Lance Taylor <iant@google.com>
6024 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
6025 comparing param_index to VEC_length result.
6027 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
6029 * c-decl.c: Do not include tree-mudflap.h
6030 * tree-optimize.c: Likewise.
6031 * Makefile.in: Update dependencies.
6033 2012-01-13 Richard Guenther <rguenther@suse.de>
6036 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
6037 variable-sized result always use RSO.
6039 2012-01-12 DJ Delorie <dj@redhat.com>
6041 * cfgexpand.c (convert_debug_memory_address): Allow any valid
6042 pointer type, not just the default pointer type.
6044 2012-01-09 Richard Henderson <rth@redhat.com>
6045 Denis Chertykov <chertykov@gmail.com>
6048 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
6049 * config/avr/avr.c (avr_can_eliminate): Simplify.
6050 (avr_initial_elimination_offset): Likewise.
6051 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
6052 (expand_epilogue): Likewise.
6053 (avr_legitimize_address): Gut.
6054 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
6055 (avr_hard_regno_nregs): New.
6056 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
6057 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
6058 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
6059 add soft frame pointer.
6060 (CALL_USED_REGISTERS): Likewise.
6061 (REG_CLASS_CONTENTS): Likewise.
6062 (REGISTER_NAMES): Likewise.
6063 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
6064 (HARD_FRAME_POINTER_REGNUM): New.
6065 (FRAME_POINTER_REGNUM): Use soft frame pointer.
6066 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
6067 remove the HARD_FRAME_POINTER self-elimination.
6069 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
6072 * config/avr/avr.c (avr_encode_section_info): Test for absence of
6073 DECL_EXTERNAL when checking for initializers of progmem variables.
6075 2012-01-12 Ira Rosen <irar@il.ibm.com>
6077 PR tree-optimization/51799
6078 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
6079 that the last operation is a type demotion.
6081 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
6083 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
6084 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
6086 2012-01-11 Jakub Jelinek <jakub@redhat.com>
6089 * combine.c (distribute_notes): If i3 is a noreturn call,
6090 allow old_size to be equal to args_size and make sure the
6091 noreturn call gets REG_ARGS_SIZE note.
6092 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
6093 on noreturn calls even when the delta is 0.
6095 2012-01-11 Nathan Sidwell <nathan@acm.org>
6097 * gcov.c (STRING_SIZE): Remove.
6098 (generate_results): Erase annotations for source files with no
6099 coverage information.
6101 (output_lines): Use it.
6103 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
6105 * gimple.h (gimplify_body): Remove first argument.
6106 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
6107 pointer set here, instead just pass DATA to walk_tree.
6108 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
6109 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
6110 (unvisit_body): Likewise, but with unmark_visited.
6111 (gimplify_body): Remove BODY_P argument and adjust.
6112 (gimplify_function_tree): Adjust call to gimplify_body.
6113 * omp-low.c (finalize_task_copyfn): Likewise.
6115 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
6117 * tree.h (build_function_decl_skip_args): Add boolean parameter.
6118 (build_function_type_skip_args): Delete.
6119 * tree.c (build_function_type_skip_args): Make static and add
6120 SKIP_RETURN parameter. Fix thinko in the handling of variants.
6121 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
6122 pass it to build_function_type_skip_args.
6123 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
6124 (tree_function_versioning): Likewise.
6125 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
6126 build_function_decl_skip_args.
6127 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
6128 and pass it to build_function_decl_skip_args/tree_function_versioning.
6129 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
6130 * ipa-inline-transform.c (save_inline_function_body): Likewise.
6131 * trans-mem.c (ipa_tm_create_version): Likewise.
6132 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
6133 * tree-inline.c (declare_return_variable): Remove always-true test.
6134 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
6135 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
6136 * ipa-split.c (split_function): Skip the return value for the split
6137 part if it doesn't return.
6139 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
6141 PR tree-optimization/49642
6142 * ipa-split.c (forbidden_dominators): New variable.
6143 (check_forbidden_calls): New function.
6144 (dominated_by_forbidden): Likewise.
6145 (consider_split): Check for forbidden dominators.
6146 (execute_split_functions): Initialize and free forbidden
6147 dominators info; call check_forbidden_calls.
6149 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
6151 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
6153 2012-01-11 Nick Clifton <nickc@redhat.com>
6155 * config/rx/rx.md (return): Define pattern.
6157 2012-01-11 Richard Guenther <rguenther@suse.de>
6159 * doc/extend.texi (malloc attribute): Adjust according to
6162 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
6163 Patrick Marlier <patrick.marlier@gmail.com>
6166 * trans-mem.c (get_cg_data): Traverse aliases if requested.
6167 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
6168 (ipa_tm_note_irrevocable): Same.
6169 (ipa_tm_scan_irr_block): Same.
6170 (ipa_tm_decrement_clone_counts): Same.
6171 (ipa_tm_scan_irr_function): Same.
6172 (ipa_tm_create_version_alias): Same.
6173 (ipa_tm_create_version): Same.
6174 (ipa_tm_transform_calls_redirect): Same.
6175 (ipa_tm_transform_calls): Same.
6176 (ipa_tm_transform_transaction): Same.
6177 (ipa_tm_execute): Same.
6179 2012-01-10 Richard Guenther <rguenther@suse.de>
6182 * opts.c (common_handle_option): Handle -Werror.
6184 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
6186 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
6189 2012-01-10 Jason Merrill <jason@redhat.com>
6191 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
6194 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6196 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
6197 supports R_386_TLS_GD_PLT reloc.
6198 (gcc_cv_as_ix86_tlsldmplt): Check if linker
6199 supports R_386_TLS_LDM_PLT reloc.
6200 * configure: Regenerate.
6201 * config.in: Regenerate.
6203 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
6206 Extend __pgmx semantics to linearize memory.
6207 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
6208 determine if code comes inline or from libgcc.
6209 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
6210 (movmem_qi, movmem_qi): Set constraint #2 to "n".
6211 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
6212 (movmemx_qi, movmemx_hi): New insns.
6213 (xload_<mode>_libgcc): Rewrite to new insn condition.
6214 (xload_<mode>): Remove insns.
6215 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
6216 cases that don't satisfy avr_xload_libgcc_p().
6217 (avr_addr_space_convert): Allow converting in any direction.
6218 (avr_addr_space_subset_p): Return always true.
6219 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
6220 (avr_emit_movmemhi): Ditto.
6221 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
6222 (avr_out_movmem): Ditto.
6223 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
6224 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
6225 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
6226 (avr_encode_section_info): Encode 'progmem' in symbol flags.
6227 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
6229 2012-01-10 Richard Guenther <rguenther@suse.de>
6231 PR tree-optimization/50913
6232 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
6233 Require data-refs to be representable by Graphite with respect
6236 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
6238 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
6239 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
6241 2012-01-10 Tom de Vries <tom@codesourcery.com>
6243 PR rtl-optimization/51271
6244 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
6245 handling annulled branch.
6247 2012-01-10 Richard Henderson <rth@redhat.com>
6249 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
6250 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
6251 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
6252 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
6253 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
6254 arm_expand_vec_perm_const): New.
6255 * config/arm/arm-protos.h: Update.
6256 * config/arm/neon.md (UNSPEC_VCONCAT): New.
6257 (*neon_vswp<VDQX>): New.
6258 (neon_vcombine<VDX>): Use neon_split_vcombine.
6259 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
6260 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
6261 (vec_perm<VE>): New.
6263 2012-01-10 Richard Henderson <rth@redhat.com>
6265 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
6266 use it if reload_completed.
6267 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
6268 arm_output_asm_insn, arm_process_output_memory_barrier,
6269 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
6270 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
6271 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
6272 arm_process_output_sync_insn, arm_output_sync_insn,
6273 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
6274 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
6275 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
6276 (emit_unlikely_jump): New.
6277 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
6278 (arm_split_atomic_op): New.
6279 * config/arm/arm-protos.h: Update.
6280 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
6281 (struct arm_sync_generator): Remove.
6282 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
6283 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
6284 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
6285 (VUNSPEC_LL, VUNSPEC_SC): New.
6286 (sync_result, sync_memory, sync_required_value, sync_new_value,
6287 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
6288 (attr length): Don't use arm_sync_loop_insns.
6289 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
6290 (movsfcc, movdfcc): Likewise.
6291 * config/arm/constraints.md (Ua): New.
6292 * config/arm/prediates.md (mem_noofs_operand): New.
6293 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
6294 (sync_clobber, sync_t2_reqd): Remove.
6295 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
6296 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
6297 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
6298 (arm_sync_compare_and_swap<SIDI>): Remove.
6299 (arm_sync_compare_and_swap<NARROW>): Remove.
6300 (arm_sync_lock_test_and_set<SIDI>): Remove.
6301 (arm_sync_lock_test_and_set<NARROW>): Remove.
6302 (arm_sync_new_<syncop><SIDI>): Remove.
6303 (arm_sync_new_<syncop><NARROW>): Remove.
6304 (arm_sync_new_nand<SIDI>): Remove.
6305 (arm_sync_new_nand<NARROW>): Remove.
6306 (arm_sync_old_<syncop><SIDI>): Remove.
6307 (arm_sync_old_<syncop><NARROW>): Remove.
6308 (arm_sync_old_nand<SIDI>): Remove.
6309 (arm_sync_old_nand<NARROW>): Remove.
6310 (*memory_barrier): Merge arm_output_memory_barrier.
6311 (atomic_compare_and_swap<QHSD>): New.
6312 (atomic_compare_and_swap<NARROW>_1): New.
6313 (atomic_compare_and_swap<SIDI>_1): New.
6314 (atomic_exchange<QHSD>): New.
6315 (cas_cmp_operand, cas_cmp_str): New.
6316 (atomic_op_operand, atomic_op_str): New.
6317 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
6318 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
6319 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
6320 (arm_load_exclusive<NARROW>): New.
6321 (arm_load_exclusivesi, arm_load_exclusivedi): New.
6322 (arm_store_exclusive<QHSD>): New.
6324 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
6326 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
6327 reload patterns if -mvsx-scalar-memory.
6329 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
6330 generated, even -mno-vsx-scalar-double was used.
6331 (vsx_xscvdpsp_scalar): Likewise.
6332 (vsx_xscvspdp_scalar2): Likewise.
6334 2012-01-09 Tom de Vries <tom@codesourcery.com>
6335 Andrew Pinski <apinski@cavium.com>
6338 * reorg.c (fill_slots_from_thread): Don't speculate
6339 frame-related insns.
6341 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
6343 * sched-int.h (bb_note): Move to...
6344 * basic-block.h: ...here.
6345 * haifa-sched.c (bb_note): Move to...
6346 * cfgrtl.c: ...here.
6347 * function.c (next_block_for_reg): New function.
6348 (move_insn_for_shrink_wrap): Likewise.
6349 (prepare_shrink_wrap): Rewrite to use the above.
6351 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
6353 * gimple.c (is_gimple_non_addressable): Remove.
6354 * gimple.h: Remove is_gimple_non_addressable.
6355 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
6356 is_gimple_non_addressable.
6357 * trans-mem.c (expand_assign_tm): Same.
6359 2012-01-09 Richard Guenther <rguenther@suse.de>
6361 PR tree-optimization/51775
6362 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
6363 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
6365 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
6367 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
6369 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
6371 2012-01-09 Richard Guenther <rguenther@suse.de>
6373 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
6375 2012-01-08 Jan Hubicka <jh@suse.cz>
6377 PR tree-optimize/51680
6378 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
6379 on when known_vals needs to be computed; cleanup.
6381 2012-01-08 Jan Hubicka <jh@suse.cz>
6383 PR tree-optimize/51694
6384 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
6386 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
6388 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
6389 for -std=c++98 and -std=c++11 too.
6391 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
6393 * cfgloop.c (cancel_loop): Add free() of bbs array.
6395 2012-01-07 Jan Hubicka <jh@suse.cz>
6397 PR tree-optimization/51600
6398 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
6399 that benefits small functions.
6401 2012-01-07 Jan Hubicka <jh@suse.cz>
6403 * ipa-inline.c (want_inline_small_function_p): Fix formating.
6405 2012-01-07 Jan Hubicka <jh@suse.cz>
6407 PR tree-optimization/51680
6408 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
6409 whose inlining reduce unit size.
6411 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
6414 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
6415 Add canonical node to containing_mem chain after the non-canonical
6416 one, even if there weren't any locs to propagate.
6417 (remove_useless_values): Keep only canonical values.
6418 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
6419 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
6420 canonicalize mem_chain elements that are not discarded.
6422 2012-01-06 Jakub Jelinek <jakub@redhat.com>
6425 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
6426 before emitting functions.
6428 PR gcov-profile/50127
6429 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
6430 clear_aux_for_blocks.
6432 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
6435 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
6437 2012-01-06 Arnaud Charlet <charlet@adacore.com>
6439 * c-decl.c (ext_block): Moved up.
6440 (collect_all_refs, for_each_global_decl): Take ext_block into account.
6442 2012-01-06 Han Shen <shenhan@google.com>
6444 Translate built-in include paths for sysroot.
6445 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
6446 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
6448 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
6449 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
6451 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
6452 control whether sysroot should be prepended to gxx include dir.
6454 * configure: Regenerate.
6456 2012-01-06 Torvald Riegel <triegel@redhat.com>
6458 PR rtl-optimization/51771
6459 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
6460 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
6462 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
6464 PR tree-optimization/51315
6465 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
6466 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
6468 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
6471 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
6472 for shrp pattern. Correctly handle and fixup shift variable.
6473 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
6475 2012-01-05 Jakub Jelinek <jakub@redhat.com>
6478 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
6479 note when !ACCUMULATE_OUTGOING_ARGS.
6481 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
6483 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
6485 (extract_range_from_unary_expr_1): Avoid useless computations.
6487 2012-01-05 Jakub Jelinek <jakub@redhat.com>
6489 PR rtl-optimization/51767
6490 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
6491 of jump_block and add an extra edge for degenerated asm gotos.
6494 * stmt.c (check_unique_operand_names): Don't ICE during error
6495 reporting if i is from labels chain.
6498 * profile.c (branch_prob): Split bbs that have exit edge
6499 and need a fake entry edge too.
6501 2012-01-05 Jan Hubicka <jh@suse.cz>
6504 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
6507 2012-01-05 Richard Guenther <rguenther@suse.de>
6510 * tree-streamer-out.c (write_ts_optimization): New function.
6511 (streamer_write_tree_body): Call it.
6512 * tree-streamer-in.c (lto_input_ts_optimization): New function.
6513 (streamer_read_tree_body): Call it.
6514 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
6516 2012-01-05 Jakub Jelinek <jakub@redhat.com>
6519 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
6520 * gimplify.c (gimplify_cleanup_point_expr): Save and set
6521 in_cleanup_point_expr before gimplify_stmt call and restore it
6523 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
6524 in_cleanup_point_expr is false.
6526 2012-01-05 Richard Guenther <rguenther@suse.de>
6529 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
6531 * toplev.c (process_options): Reject combining mudflap and LTO.
6532 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
6534 2012-01-05 Richard Guenther <rguenther@suse.de>
6536 PR tree-optimization/51760
6537 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
6539 (bit_value_unop): Handle UNDEFINED operands.
6540 (bit_value_binop): Likewise.
6542 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
6544 * config/avr/avr.c (avr_replace_prefix): Remove.
6545 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
6546 (avr_asm_function_rodata_section): Ditto.
6547 (avr_asm_select_section): Ditto.
6549 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
6551 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
6554 2012-01-05 Jakub Jelinek <jakub@redhat.com>
6557 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
6558 calls that have any non-fake successor edges.
6561 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
6563 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
6565 PR tree-optimization/51624
6566 * tree-sra.c (build_ref_for_model): When replicating a chain of
6567 COMPONENT_REFs, stop as soon as the offset would become negative.
6569 2012-01-04 Jakub Jelinek <jakub@redhat.com>
6572 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
6573 in .debug_loc on the floor.
6575 2012-01-04 Andrew Pinski <apinski@cavium.com>
6577 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
6579 2012-01-04 Andrew Pinski <apinski@cavium.com>
6580 Adam Nemet <anemet@caviumnetworks.com>
6582 * config/mips/mips.md (size): Add SI and DI.
6583 (SIZE): New mode attribute.
6584 (U): New code attribute.
6585 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
6586 (mips_lbux_<mode>): Delete.
6587 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
6588 (mips_lhx): Use gen_mips_lhx_extsi.
6589 (mips_lhx_<mode>): Delete.
6591 (mips_l<size>x): New expand.
6592 (mips_lwx_<mode>): Delete.
6593 (mips_l<GPR:size>x_<P:mode>): New pattern.
6594 (*mips_lw<u>x_<P:mode>_ext): Likewise.
6595 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
6596 * config/mips/mips.c (mips_lx_address_p): New function.
6597 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
6598 (dsp64): New availability predicate.
6599 (mips_builtins): Add an entry for __builtin_mips_ldx.
6600 * config/mips/mips.h (ISA_HAS_LBX): New define.
6601 (ISA_HAS_LBUX): Likewise.
6602 (ISA_HAS_LHX): Likewise.
6603 (ISA_HAS_LHUX): Likewise.
6604 (ISA_HAS_LWX): Likewise.
6605 (ISA_HAS_LWUX): Likewise.
6606 (ISA_HAS_LDX): Likewise.
6607 * doc/extend.texi (__builtin_mips_ldx): Document.
6609 2012-01-04 Tristan Gingold <gingold@adacore.com>
6611 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
6612 when long pointers are used.
6613 * config.build (*-*-*vms*): Handle all OpenVMS targets.
6614 (alpha64-dec-*vms*, alpha*-dec-*vms*)
6615 (ia64-hp-*vms*): Remove.
6616 * config/vms/xm-vms64.h: Delete.
6618 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
6621 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
6623 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
6625 * opts.c (finish_options): Remove duplicate sorry.
6627 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
6630 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
6633 2012-01-04 Richard Guenther <rguenther@suse.de>
6636 * tree.c (size_low_cst): New function.
6637 * tree.h (size_low_cst): Declare.
6638 * fold-const.c (fold_comparison): Use it to extract the low
6639 part of the POINTER_PLUS_EXPR offset.
6641 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
6643 Fix clearing ZERO_REG
6644 * config/avr/avr.md (cc): Add alternative "ldi".
6645 (movqi_insn): Use it in cc attribute.
6646 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
6647 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
6648 (output_reload_insisf): Use ZERO_REG to pre-clear register.
6650 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6652 * configure: Regenerate.
6654 2012-01-04 Richard Guenther <rguenther@suse.de>
6656 PR tree-optimization/49651
6657 * tree-ssa-structalias.c (type_can_have_subvars): New function.
6658 (var_can_have_subvars): Use it.
6659 (get_constraint_for_1): Only consider subfields if there can be any.
6661 2012-01-03 Jakub Jelinek <jakub@redhat.com>
6664 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
6665 to its new canonical_cselib_val and the cselib_val was in
6666 first_containing_mem chain, but the canonical_cselib_val was not,
6667 add the latter into the chain.
6668 (cselib_invalidate_mem): Compare canonical_cselib_val of
6669 addr_list chain elt with v.
6672 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
6673 dwarf2out_undef): Allocate e.info using ggc_strdup instead
6675 (output_macinfo_op): Don't ggc_strdup fd->filename.
6676 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
6677 then ggc_strdup it. Don't free inc->info or cur->info.
6678 (output_macinfo): Don't free ref->info or file->info.
6680 2012-01-03 Ira Rosen <irar@il.ibm.com>
6682 PR tree-optimization/51269
6683 * tree-vect-loop-manip.c (set_prologue_iterations): Make
6684 first_niters a pointer.
6685 (slpeel_tree_peel_loop_to_edge): Likewise.
6686 (vect_do_peeling_for_loop_bound): Update call to
6687 slpeel_tree_peel_loop_to_edge.
6688 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
6689 here. Remove it from the parameters list.
6690 (vect_do_peeling_for_alignment): Update calls and compute
6693 2012-01-03 Richard Guenther <rguenther@suse.de>
6695 PR tree-optimization/51070
6696 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
6697 Properly handle calls.
6699 2012-01-03 Richard Guenther <rguenther@suse.de>
6701 PR tree-optimization/51692
6702 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
6703 the LHS of allocation stmts.
6705 2012-01-03 Olivier Hainque <hainque@adacore.com>
6707 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
6709 2012-01-03 Olivier Hainque <hainque@adacore.com>
6711 * collect2.c (main): In AIX specific computations for vector
6712 insertions, use CONST_CAST2 to cast from char ** to const char **.
6714 2012-01-03 Richard Guenther <rguenther@suse.de>
6717 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
6718 the context of a limbo DIE when it does not already exist.
6720 2012-01-03 Jakub Jelinek <jakub@redhat.com>
6722 PR tree-optimization/51719
6723 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
6724 but direct call is, clear direct call's lhs and don't add fallthrough
6725 edge from dcall_bb to join_bb and PHIs.
6727 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6729 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
6730 the instructions emitted by the pattern.
6731 ("*TDC_insn_<mode>"): Add comment.
6733 2012-01-03 Richard Guenther <rguenther@suse.de>
6736 * fold-const.c (fold_comparison): Properly canonicalize
6737 tree offset and HOST_WIDE_INT bit position.
6739 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
6741 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
6742 operands for extzv pattern.
6744 2012-01-02 Jakub Jelinek <jakub@redhat.com>
6747 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
6750 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
6752 * doc/invoke.texi (-flto and related options): Copy-edit.
6754 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
6756 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
6758 2012-01-02 Jakub Jelinek <jakub@redhat.com>
6760 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
6763 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
6765 * expr.h (move_by_pieces_ninsns): Declare.
6766 * expr.c (move_by_pieces_ninsns): Make external.
6767 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
6768 (mips_store_by_pieces_p): Likewise.
6769 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
6770 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
6771 * config/mips/mips.c (mips_move_by_pieces_p): New function.
6772 (mips_store_by_pieces_p): Likewise.
6774 2012-01-02 Jakub Jelinek <jakub@redhat.com>
6776 * passes.c (register_one_dump_file): Free full_name.
6778 * reload1.c (reload): Don't allocate reg_max_ref_width here.
6779 (calculate_elim_costs_all_insns): Free offsets_at and
6780 offsets_known_at at the end and clear the pointers.
6782 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
6784 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
6785 this option introduced in r180739.
6787 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
6790 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
6791 (tmake_file target=avr): Add avr/t-multilib.
6793 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
6794 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
6795 * config/avr/genmultilib.awk: New file.
6796 * config/avr/t-multilib: New auto-generated file.
6797 * config/avr/multilib.h: New auto-generated file.
6798 * config/avr/t-avr (AVR_MCUS): New variable.
6799 (genopt.sh): Use it.
6800 (s-mlib): Depend on t-multilib.
6801 (t-multilib, multilib.h): New dependencies.
6802 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
6803 (MULTILIB_OPTIONS): Remove.
6804 (MULTILIB_MATCHES): Remove.
6805 (MULTILIB_DIRNAMES): Remove.
6806 (MULTILIB_EXCEPTIONS): Remove:
6807 * config/avr/genopt.sh: Don't use hard coded file name;
6808 pass AVR_MCUS from t-avr instead.
6810 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
6812 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
6814 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
6816 Implement light-weight DImode support.
6817 * config/avr/avr-dimode.md: New file.
6818 * config/avr/avr.md: Include it.
6819 (adjust_len): Add plus64, compare64.
6820 (HIDI): Remove code iterator.
6821 (code_stdname): New code attribute.
6822 (rotx, rotsmode): Remove DI.
6823 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
6825 * config/avr/avr-protos.h (avr_have_dimode): New.
6826 (avr_out_plus64, avr_out_compare64): New.
6827 * config/avr/avr.c (avr_out_compare): Handle DImode.
6828 (avr_have_dimode): New variable definition and initialization.
6829 (avr_out_compare64, avr_out_plus64): New functions.
6830 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
6831 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
6832 (avr_compare_pattern): Skip DImode comparisons.
6834 2012-01-02 Revital Eres <revital.eres@linaro.org>
6836 * ddg.c (def_has_ccmode_p): New function.
6837 (add_cross_iteration_register_deps,
6838 create_ddg_dep_from_intra_loop_link): Call it.
6840 2012-01-02 Richard Guenther <rguenther@suse.de>
6843 * invoke.texi (fassociative-math): Remove spurious paranthesis.
6845 2012-01-01 Jakub Jelinek <jakub@redhat.com>
6847 * gcc.c (process_command): Update copyright notice dates.
6848 * gcov.c (print_version): Likewise.
6849 * gcov-dump.c (print_version): Likewise.
6850 * mips-tfile.c (main): Likewise.
6851 * mips-tdump.c (main): Likewise.
6853 2012-01-01 Ira Rosen <irar@il.ibm.com>
6855 PR tree-optimization/51704
6856 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
6857 a use is inside the basic block or loop before accessing its vect info.
6859 2012-01-01 Jan Hubicka <jhjh@suse.cz>
6861 PR rtl-optimization/51069
6862 * cfgloopmanip.c (remove_path): Removing path making irreducible
6863 region unconditional makes BB part of the region.
6865 2012-01-01 Jakub Jelinek <jakub@redhat.com>
6867 PR tree-optimization/51683
6868 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
6869 calls with side-effects.
6870 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
6872 Copyright (C) 2012 Free Software Foundation, Inc.
6874 Copying and distribution of this file, with or without modification,
6875 are permitted in any medium without royalty provided the copyright
6876 notice and this notice are preserved.