1 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
3 PR tree-optimization/50561
4 * graphite-flattening.c (lst_project_loop): Do not
5 remove old scattering dimensions after flattening.
6 (lst_do_flatten): Likewise.
8 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
10 * doc/extend.texi (AVR Built-in Functions): Remove doc for
11 __builtin_avr_map8, __builtin_avr_map16.
12 Document __builtin_avr_insert_bits.
14 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
15 (insert_bits): New insn.
16 (adjust_len.map_bits): Rename to insert_bits.
17 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
18 * avr-protos.h (avr_out_map_bits): Remove.
19 (avr_out_insert_bits, avr_has_nibble_0xf): New.
20 * config/avr/constraints.md (Cxf,C0f): New.
21 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
22 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
23 New built-in define __BUILTIN_AVR_INSERT_BITS.
24 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
25 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
26 (avr_move_bits): Rewrite.
27 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
29 (avr_map_op_t): New typedef.
30 (avr_map_op): New static variable.
31 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
32 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
33 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
34 (bdesc_3arg, avr_expand_triop_builtin): New.
35 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
36 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
37 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
38 (avr_map_equal_p, avr_map_sig_p): Remove.
39 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
40 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
41 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
42 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
43 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
44 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
46 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
48 * config/c6x/c6x.md (reserve_cycles): New attribute.
49 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
50 don't reserve functional units after the branch occurs.
52 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
55 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
56 functions into non-tm_pure functions.
58 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
61 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
62 (iterative_hash_canonical_type): Likewise.
63 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
66 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
68 * haifa-sched.c (prune_ready_list): Ensure that if there is a
69 sched-group insn, it either remains alone or the entire list is
72 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
74 * doc/install.texi (Prerequisites): Fix grammar.
75 (Configuration): Likewise.
77 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
79 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
80 MPC as part of GCC before describing configuring with --with-gmp etc.
81 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
84 2012-02-14 Jakub Jelinek <jakub@redhat.com>
87 * dwarf2out.c (clone_tree_hash): New function.
88 (copy_decls_walk): Use it instead of clone_tree.
90 2012-02-14 Richard Guenther <rguenther@suse.de>
92 PR tree-optimization/52244
93 PR tree-optimization/51528
94 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
95 replacements for integral types.
97 2012-02-14 Walter Lee <walt@tilera.com>
99 * config.gcc: Handle tilegx and tilepro.
100 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
102 Add HAVE_AS_TLS check for tilegx and tilepro.
103 * configure: Regenerate.
104 * doc/contrib.texi: Add Mat Hostetter and self.
105 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
106 Document instruction intrinsics and network accessing intrinsics.
107 (TILEPro Built-in Functions): New node. Document instruction
108 intrinsics and network accessing intrinsics.
109 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
110 (Specific, tilepro-*-linux*): Likewise.
111 * doc/invoke.texi (TILE-Gx Options): New section.
112 (TILEPro Options): New section.
113 * doc/md.texi (TILE-Gx): New section.
114 (TILEPro): New section.
115 * common/config/tilegx/tilegx-common.c: New file.
116 * common/config/tilepro/tilepro-common.c: New file.
117 * config/tilegx/constraints.md: New file.
118 * config/tilegx/linux.h: New file.
119 * config/tilegx/mul-tables.c: New file.
120 * config/tilegx/predicates.md: New file.
121 * config/tilegx/sync.md: New file.
122 * config/tilegx/t-tilegx: New file.
123 * config/tilegx/tilegx-builtins.h: New file.
124 * config/tilegx/tilegx-c.c: New file.
125 * config/tilegx/tilegx-generic.md: New file.
126 * config/tilegx/tilegx-modes.def: New file.
127 * config/tilegx/tilegx-multiply.h: New file.
128 * config/tilegx/tilegx-protos.h: New file.
129 * config/tilegx/tilegx.c: New file.
130 * config/tilegx/tilegx.h: New file.
131 * config/tilegx/tilegx.md: New file.
132 * config/tilegx/tilegx.opt: New file.
133 * config/tilepro/constraints.md: New file.
134 * config/tilepro/gen-mul-tables.cc: New file.
135 * config/tilepro/linux.h: New file.
136 * config/tilepro/mul-tables.c: New file.
137 * config/tilepro/predicates.md: New file.
138 * config/tilepro/t-tilepro: New file.
139 * config/tilepro/tilepro-builtins.h: New file.
140 * config/tilepro/tilepro-c.c: New file.
141 * config/tilepro/tilepro-generic.md: New file.
142 * config/tilepro/tilepro-modes.def: New file.
143 * config/tilepro/tilepro-multiply.h: New file.
144 * config/tilepro/tilepro-protos.h: New file.
145 * config/tilepro/tilepro.c: New file.
146 * config/tilepro/tilepro.h: New file.
147 * config/tilepro/tilepro.md: New file.
148 * config/tilepro/tilepro.opt: New file.
150 2012-02-14 Jakub Jelinek <jakub@redhat.com>
152 PR tree-optimization/52210
153 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
154 vect_model_simple_cost with two entry vect_def_type array instead
157 2012-02-14 Richard Guenther <rguenther@suse.de>
160 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
161 Do not stream DECL_QUALIFIER.
162 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
163 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
164 (find_decls_types_r): Do not walk DECL_QUALIFIER.
166 2012-02-14 Jakub Jelinek <jakub@redhat.com>
169 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
172 2012-02-13 Jakub Jelinek <jakub@redhat.com>
175 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
176 * cselib.c (cselib_subst_to_values_from_insn): New function.
177 * sched-deps.c (add_insn_mem_dependence,
178 sched_analyze_1, sched_analyze_2): Use it.
180 2012-02-13 Jan Hubicka <jh@suse.cz>
183 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
185 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
187 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
188 (GTM_SELF_SPECS): Define if not already defined.
189 (driver_self_specs): Add GTM_SELF_SPECS.
190 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
191 (GTM_SELF_SPECS): Define.
192 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
193 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
195 2012-02-13 Jakub Jelinek <jakub@redhat.com>
197 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
200 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is
204 * omp-low.c (expand_omp_for): If a static schedule without
205 chunk size has NULL region->cont, force fd.chunk_size to be
208 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
211 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
213 2012-02-13 Richard Guenther <rguenther@suse.de>
216 * passes.c (enable_disable_pass): Fix typo.
218 2012-02-13 Jakub Jelinek <jakub@redhat.com>
221 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
222 XOR for reduce_bit_field if type is unsigned.
224 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
226 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
227 disallow changes from SFmode to mode with different size in FP regs.
229 2012-02-12 Robert Millan <rmh@gnu.org>
230 Gerald Pfeifer <gerald@pfeifer.com>
232 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
235 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
237 PR rtl-optimization/52175
238 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
239 to frame-related instructions.
241 2012-02-10 Jason Merrill <jason@redhat.com>
244 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
245 (demangle_new_symbols): Fill it.
246 (scan_linker_output): Walk it.
247 (start_tweaking): Split out from scan_linker_output.
248 (maybe_tweak): Update sym->chosen.
249 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
251 2012-02-11 Jakub Jelinek <jakub@redhat.com>
254 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use
257 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
259 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
260 having the same mode as previous compare.
262 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
264 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
265 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
266 (nonlocal_goto_internal): Likewise.
267 (nonlocal_goto): Emit a use and an indirect jump directly.
269 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
272 * doc/extend.texi : Update comments for __atomic_compare_exchange and
273 __atomic_{is,always}_lock_free.
275 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
278 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
279 negative constant address for x32.
281 2012-02-10 Richard Henderson <rth@redhat.com>
283 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
284 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
285 for GIMPLE_TRANSACTION. Tidy if's into a switch.
287 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
288 Ira Rosen <irar@il.ibm.com>
290 PR tree-optimization/50031
291 * targhooks.c (default_builtin_vectorization_cost): Handle
293 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
294 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
295 all types of reduction and pattern statements.
296 (vect_estimate_min_profitable_iters): Likewise.
297 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
298 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
299 for explicit realigns.
300 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
301 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
303 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
304 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
305 vec_perm for VSX and handle vec_promote_demote.
307 2012-02-10 Jakub Jelinek <jakub@redhat.com>
310 * builtins.c (fold_builtin_atomic_always_lock_free,
311 expand_builtin_atomic_always_lock_free,
312 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
313 Return and/or test boolean_true_node/boolean_false_node instead of
314 integer_one_node/integer_zero_node.
316 2012-02-10 Jan Hubicka <jh@suse.cz>
319 * predict.c (predict_paths_for_bb): Prevent looping.
320 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
322 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
324 * config/arm/arm.c (output_move_double): In one case properly
325 count number of instructions that will be emitted.
327 2012-02-10 Richard Guenther <rguenther@suse.de>
330 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
332 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
335 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
337 2012-02-09 Jakub Jelinek <jakub@redhat.com>
340 * var-tracking.c (emit_note_insn_var_location): If
341 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
342 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
343 non-NOTE_DURING_CALL_P insn.
345 2012-02-09 Bin Cheng <bin.cheng@arm.com>
348 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
350 2012-02-08 Magnus Granberg <zorry@gentoo.org>
353 * gcc.c (switch_matches) Support switches with separated form,
356 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
358 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
361 * config/avr/avr.c (avr_addr_t): New typedef.
362 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
363 (avr_init_expanders): Initialize it.
364 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
366 (expand_epilogue): Ditto.
367 (avr_print_operand): Ditto.
368 (avr_file_start): Ditto.
369 (avr_emit_movmemhi): Ditto.
371 2012-02-08 Richard Guenther <rguenther@suse.de>
373 PR tree-optimization/46886
374 * tree-flow.h (do_while_loop_p): Declare.
375 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
376 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
378 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
380 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
381 always succeed for integers larger than a native word.
383 2012-02-08 Richard Guenther <rguenther@suse.de>
385 PR rtl-optimization/52170
386 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
387 properly handle integer vector modes.
389 2012-02-08 Jakub Jelinek <jakub@redhat.com>
391 PR gcov-profile/52150
392 * coverage.c: Include target.h.
393 (build_var): Call targetm.strip_name_encoding on the assembler name.
394 Change one _ into . or $ if the target allows it.
395 * Makefile.in (coverage.o): Depend on $(TARGET_H).
397 PR rtl-optimization/52139
398 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
399 is a BARRIER after emit_insn_after_noloc, move BB_END
400 to the last non-BARRIER insn before it.
402 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
405 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
406 (mips_gimplify_va_arg_expr): Call it instead of
407 std_gimplify_va_arg_expr.
409 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
411 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
412 message for -mno-pointers-to-nested-function.
414 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
417 * expr.c (get_inner_reference): If there is an offset, add a negative
418 bit position to it (if any).
420 2012-02-07 Jakub Jelinek <jakub@redhat.com>
422 PR rtl-optimization/52060
423 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
424 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
425 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
426 and/or i0src_copy2 when needed.
428 2012-02-07 Jakub Jelinek <jakub@redhat.com>
430 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
431 or LTOPLUGINSONAME if have_c.
433 * config/freebsd-spec.h: Add comment about what macros can be defined
435 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
436 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
439 2012-02-07 Richard Guenther <rguenther@suse.de>
441 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
442 newline in -alias dumps.
444 2012-02-07 Kai Tietz <ktietz@redhat.com>
445 Dave Korn <dave.korn.cygwin@gmail.com>
448 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
449 Take care that typinfo gets dllexport-attribute.
451 2012-02-07 Jakub Jelinek <jakub@redhat.com>
454 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
455 if modifier < EXPAND_SUM call force_operand on the result.
457 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
459 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
460 adding __forwarder_dst__ prefix if a forwarder_section attribute is
462 (epiphany_function_type): Replace types for specific interrupts with
463 EPIPHANY_FUNCTION_INTERRUPT.
464 (EPIPHANY_INTERRUPT_P): Update.
465 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
467 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
468 <disinterrupt>: Affects type identity.
469 (epiphany_handle_interrupt_attribute): Handle variable number of
471 (epiphany_compute_function_type): Update for new
472 epiphany_function_type definition.
473 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
474 handlers with a longcall forwarder.
475 (epiphany_start_function): Handle multiple interrupt arguments and/or
476 forwarder_section attribute.
478 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
481 2012-02-07 Alan Modra <amodra@gmail.com>
484 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
487 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
489 PR tree-optimization/50969
490 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
491 use vec_perm rather than vector_stmt.
492 (vect_model_load_cost): Likewise.
493 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
494 vec_perm to be the same as other vector statements.
495 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
496 cost of vec_perm for TARGET_VSX.
498 2012-02-06 Richard Guenther <rguenther@suse.de>
500 PR tree-optimization/52115
501 * tree-sra.c (access_has_replacements_p): New function.
502 (sra_modify_assign): Use it to decide whether a use is uninitialized.
504 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
507 * trans-mem.c (expand_call_tm): Add an assertion.
508 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
511 2012-02-06 Richard Guenther <rguenther@suse.de>
513 PR tree-optimization/50955
514 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
515 raise cost of expressions that replace an address with an
516 expression based on a different pointer.
518 2012-02-06 Jakub Jelinek <jakub@redhat.com>
521 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
522 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
524 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
527 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
528 -Weffc++ and specify guidelines come from second edition.
530 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
532 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
533 (sibcall_value_multiple_internal, call_split, call_internal_direct)
534 (call_direct_split, call_value_split, call_value_internal_direct)
535 (call_value_direct_split, call_value_multiple_split): Use jal and
536 jal_macro attributes.
538 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
540 * reload1.c (reload_regs_reach_end_p): Replace with...
541 (reload_reg_rtx_reaches_end_p): ...this function.
542 (new_spill_reg_store): Update commentary.
543 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
544 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
545 before setting new_spill_reg_store.
546 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
547 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
548 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
549 for non-spill reload registers.
551 2012-02-05 Ira Rosen <irar@il.ibm.com>
553 PR tree-optimization/52091
554 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
555 (vect_is_simple_use_1): Likewise.
556 * tree-vect-loop.c (vectorizable_reduction): Update calls
557 to vect_is_simple_use_1 and vect_is_simple_use.
558 (vectorizable_live_operation): Likewise.
559 * tree-vect-patterns.c (widened_name_p,
560 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
561 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
562 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
563 vectorizable_shift,vectorizable_operation, vectorizable_store,
564 vectorizable_load): Likewise.
565 (vect_is_simple_cond): Add an argument, pass it to
566 vect_is_simple_use_1.
567 (vectorizable_condition): Update calls to vect_is_simple_cond,
569 (vect_is_simple_use): Add an argument, the statement in which
570 OPERAND is used. Check that if OPERAND's def stmt is a double
571 reduction phi node, the use is a phi node too.
572 (vect_is_simple_use_1): Add an argument, pass it to
574 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
575 to vect_is_simple_use.
577 2012-02-04 Jakub Jelinek <jakub@redhat.com>
579 PR rtl-optimization/52095
580 * modulo-sched.c (dump_insn_locator): New function.
581 (loop_canon_p, sms_schedule): Use it.
583 PR rtl-optimization/52113
584 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
585 even for decomposable shift/zext insns.
587 2012-02-03 Jakub Jelinek <jakub@redhat.com>
588 Zdenek Dvorak <ook@ucw.cz>
590 PR rtl-optimization/52092
591 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
592 on get_iv_value result.
594 2012-02-02 Andrew Pinski <apinski@cavium.com>
598 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
600 2012-02-02 Jakub Jelinek <jakub@redhat.com>
603 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
605 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
607 PR rtl-optimization/49800
608 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
609 (sched_finish): Call regstat_free_n_sets_and_refs.
611 2012-02-02 Jia Liu <proljc@gmail.com>
613 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
616 2012-02-02 Jan Hubicka <jh@suse.cz>
617 Tom de Vries <tom@codesourcery.com>
620 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
621 * varpool.c (varpool_analyze_pending_decls): Likewise.
623 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
624 Jayant R Sonar <jayant.sonar@kpitcummins.com>
626 * config.gcc: Add cr16-* support.
628 * doc/extend.texi: Document cr16 extensions.
629 * doc/install.texi: Document cr16 install.
630 * doc/invoke.texi: Document cr16 options.
631 * doc/md.texi: Document cr16 constraints.
633 * common/config/cr16/cr16-common.c: New file.
634 * config/cr16/cr16.c: New file.
635 * config/cr16/cr16.h: New file.
636 * config/cr16/cr16.md: New file.
637 * config/cr16/cr16.opt: New file.
638 * config/cr16/cr16-protos.h: New file.
639 * config/cr16/predicates.md: New file.
640 * config/cr16/constraints.md: New file.
641 * config/cr16/t-cr16: New file.
643 2012-02-02 Jakub Jelinek <jakub@redhat.com>
646 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
647 that operands[2] is either immediate, or q_regs_operand.
649 PR tree-optimization/52073
650 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
651 a pattern stmt for pattern uses, ignore uses outside of the loop.
653 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
655 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
656 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
657 (OUT_AS1, OUT_AS2): Remove.
659 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
661 PR rtl-optimization/51374
662 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
663 to cross other volatile_refs_p insns.
665 2012-02-01 Richard Guenther <rguenther@suse.de>
667 * doc/invoke.texi (fno-inline): Clarify documentation.
668 (finline-small-functions): Likewise.
669 (finline-functions): Likewise.
670 * common.opt (finline): Adjust comment and documentation.
671 (finline-small-functions): Clarify documentation.
672 (finline-functions): Likewise.
673 (finline-functions-called-once): Likewise.
675 2012-02-01 Tristan Gingold <gingold@adacore.com>
677 * c-typeck.c (composite_type): Keep mode for pointers.
679 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
681 * function.h (regno_reg_rtx): Adjust comment.
682 * reginfo.c (init_reg_modes_target): Only use the previous mode
683 if it fits within one register. Remove MIPS comment.
685 2012-01-31 Jakub Jelinek <jakub@redhat.com>
688 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
690 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
692 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
695 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
697 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
699 2012-01-31 Jakub Jelinek <jakub@redhat.com>
704 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
706 2012-01-31 Richard Guenther <rguenther@suse.de>
708 PR tree-optimization/51528
709 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
712 2012-01-31 Jakub Jelinek <jakub@redhat.com>
717 * ree.c (add_removable_extension): Change def_map argument
718 to unsigned *, store in def_map 1 + offset into *insn_list vector
719 instead of pointers into the vector.
720 (find_removable_extensions): Adjust caller.
722 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
724 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
725 Transform all "* quoted-c-code" to { c-code }.
726 Remove redundant test for "optimize" in combine patterns.
727 Move (include "avr-dimode.md") to end of file.
729 2012-01-30 Bin Cheng <bin.cheng@arm.com>
732 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
733 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
735 2012-01-30 Richard Guenther <rguenther@suse.de>
737 PR tree-optimization/52028
738 * tree-loop-distribution.c (ldist_gen): Properly update
741 2012-01-30 Jakub Jelinek <jakub@redhat.com>
744 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
745 set_cur_line_info_table if not emitting debug info.
747 PR tree-optimization/52046
748 * tree-vect-patterns.c (check_bool_pattern): Give up if
749 a comparison could throw.
752 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
754 2012-01-30 Richard Guenther <rguenther@suse.de>
756 PR tree-optimization/52045
757 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
758 SSA form if cfgcleanup did anything.
760 2012-01-30 Richard Guenther <rguenther@suse.de>
762 PR tree-optimization/52045
763 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
764 before computing final todo.
766 2012-01-30 Richard Guenther <rguenther@suse.de>
768 PR tree-optimization/51528
769 * tree-sra.c (sra_modify_assign): Re-factor in preparation
772 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
774 * df-problems.c (df_kill_notes): Check that the use refers
775 to the note under examination.
777 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
780 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
781 parameter and use short-lived pseudos.
782 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
783 (sparc_expand_vector_init): Const-ify local variables and adjust
784 calls to above functions.
786 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
788 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
790 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
792 * doc/invoke.texi: Make usage of "compile time" and
793 "run time"/"runtime" consistent throughout the file.
795 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
797 * config/alpha/alpha.c (alpha_option_override): Default to
798 full IEEE compliance mode for Go language.
800 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
802 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
803 (LINK_SSP_SPEC): Define.
805 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
808 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
811 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
813 * doc/invoke.texi: Correct hyphenation of "floating point",
814 "double precision", and related terminology throughout the file.
816 2012-01-28 Jakub Jelinek <jakub@redhat.com>
819 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
820 arm_general_register_operand predicate for operand 2 instead of
823 2012-01-27 Ian Lance Taylor <iant@google.com>
826 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
827 * builtins.c (expand_builtin_init_trampoline): Add onstack
828 parameter. Change caller.
829 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
830 * tree.c (build_common_builtin_nodes): Declare
831 __builtin_init_heap_trampoline.
833 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
835 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
836 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
837 * config/avr/avr.c: Ditto.
838 (avr_regnames): Remove because unused.
839 * config/avr/avr.md (*cpse.ne): New peephole.
840 (*cpse.eq): New peephole from former cpse peepholes.
842 2012-01-27 Michael Eager <eager@eagercon.com>
844 * config/microblaze.c (microblaze_emit_compare): Correct
845 test after pcmp instruction.
847 2012-01-27 Richard Guenther <rguenther@suse.de>
849 PR tree-optimization/52020
850 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
852 2012-01-27 Richard Guenther <rguenther@suse.de>
854 * ipa-pure-const.c (check_stmt): Clobbers do not make a
855 function non-const/pure.
857 2012-01-27 Richard Guenther <rguenther@suse.de>
859 PR tree-optimization/50444
860 * tree-sra.c (build_ref_for_offset): Properly adjust the
861 MEM_REF type for unaligned accesses.
863 2012-01-27 Richard Guenther <rguenther@suse.de>
865 PR tree-optimization/50444
866 * expr.c (mem_ref_refers_to_non_mem_p): New function.
867 (expand_assignment): Use it. Properly handle misaligned
868 bases when expanding stores to component references.
869 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
872 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
875 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
876 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
877 * tree-data-ref.c (find_data_references_in_loop): Make static.
878 (compute_all_dependences): Change return type to bool. Bail out
879 for too many datarefs in a loop. Move the hunk resetting the data
880 dependences vector from ...
881 (compute_data_dependences_for_loop): ... here. Account for
882 compute_all_dependences returning false.
883 (compute_data_dependences_for_bb): Likewise.
884 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
885 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
887 2012-01-27 Richard Guenther <rguenther@suse.de>
890 * expr.c (store_field): Use the alias-set of the scratch memory
893 2012-01-27 Tom de Vries <tom@codesourcery.com>
895 PR tree-optimization/51990
896 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
898 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
900 2012-01-27 Jakub Jelinek <jakub@redhat.com>
903 * var-tracking.c (reverse_op): Don't add any reverse operation
904 if V already has any constant locations.
906 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
908 * doc/invoke.texi: Correct usage of "command line" (noun)
909 vs "command-line" (adjective) throughout.
911 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
913 * doc/invoke.texi (Language Independent Options): Move
914 -Wcoverage-mismatch blurb from here....
915 (Warning Options): ...to here.
917 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
919 * config/rs6000/rs6000.c (rs6000_option_override_internal):
920 Set rs6000_always_hint to false for 476.
922 2012-01-27 Matthias Klose <doko@ubuntu.com>
924 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
926 * incpath.c (add_standard_paths): Likewise.
928 2012-01-27 Richard Henderson <rth@redhat.com>
930 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
931 * config/m68k/sync.md (atomic_test_and_set): Rename from
932 sync_test_and_setqi and adjust the operands.
933 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
934 and unconditionally enable.
936 2012-01-27 Richard Henderson <rth@redhat.com>
938 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
939 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
940 (ldstub): Rename from ldstubqi.
941 (ldstub<I24MODE>): Remove.
943 2012-01-27 Richard Henderson <rth@redhat.com>
945 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
946 * c-cppbuiltin.c (cpp_atomic_builtins): Define
947 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
948 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
949 * doc/tm.texi: Rebuild.
951 2012-01-27 Richard Henderson <rth@redhat.com>
953 * optabs.c (gen_atomic_test_and_set): Remove default.
954 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
956 2012-01-26 Jakub Jelinek <jakub@redhat.com>
958 PR rtl-optimization/51978
959 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
960 (combine_reaching_defs): Likewise.
961 (struct re_info): Remove.
962 (add_removable_extension): Remove x and data arguments,
963 add insn, insn_list and def_map. Use the arguments directly
964 instead of using struct re_info.
965 (find_removable_extensions): Don't call add_removable_extension
966 through note_stores, instead just call it with single_set
968 (find_and_remove_re): Pass curr_cand->expr instead of
969 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
971 2012-01-26 Michael Matz <matz@suse.de>
973 PR tree-optimization/46590
974 * cfgexpand.c: Revert last change (r183305).
975 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
977 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
978 checking for emptiness.
980 2012-01-26 Jakub Jelinek <jakub@redhat.com>
983 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
984 non-addressable non-BLKmode base correctly.
986 2012-01-26 Michael Matz <matz@suse.de>
988 PR tree-optimization/48794
989 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
990 regions referenced from RESX/EH_DISPATCH.
992 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
994 * config/s390/s390.h: Make BRANCH_COST an option.
995 * config/s390/s390.opt: New option -mbranch-cost.
997 2012-01-26 Richard Henderson <rth@redhat.com>
999 Revert 2012-01-24 change:
1000 * trans-mem.c (requires_barrier): Do not instrument thread local
1001 variables and emit save/restore for them.
1003 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1006 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1009 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
1011 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1014 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
1017 Rename __pgm to __flash.
1018 Rename __pgm1 to __flash1.
1019 Rename __pgm2 to __flash2.
1020 Rename __pgm3 to __flash3.
1021 Rename __pgm4 to __flash4.
1022 Rename __pgm5 to __flash5.
1023 Rename __pgmx to __memx.
1024 * doc/extend.texi (AVR Named Address Spaces)
1025 Rename address space names as indicated above.
1026 * config/avr/avr.c (avr_addrspace): Ditto.
1028 * config/avr/avr-protos.h
1029 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1030 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1031 * config/avr/predicates.md: Ditto.
1032 * config/avr/avr.c Ditto, and
1033 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1034 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1036 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1037 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1038 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1039 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1040 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1041 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1042 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1043 * config/avr/avr.c: Ditto.
1044 * config/avr/avr.md: Ditto.
1046 2012-01-25 Jason Merrill <jason@redhat.com>
1049 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1051 2012-01-25 Jakub Jelinek <jakub@redhat.com>
1053 PR tree-optimization/51987
1054 * tree-data-ref.c (get_references_in_stmt): Handle references in
1055 non-volatile GIMPLE_ASM.
1057 2012-01-25 Richard Guenther <rguenther@suse.de>
1059 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1060 bases are dereferenced.
1062 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1064 PR rtl-optimization/48374
1065 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1067 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1069 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1070 compute_data_dependences_for_loop returns false.
1071 * tree-parloops.c (loop_parallel_p): Likewise.
1073 2012-01-25 Richard Guenther <rguenther@suse.de>
1075 * tree.h (get_pointer_alignment_1): Declare.
1076 * builtins.c (get_pointer_alignment_1): New function.
1077 (get_pointer_alignment): Use it.
1079 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1081 PR rtl-optimization/48308
1082 * combine.c (enum undo_kind): Add UNDO_LINKS.
1083 (struct undo): Add member l to other_contents and where.
1084 (do_SUBST_LINK): New.
1086 (try_combine): Handle LOG_LINKS for the dummy i1 case.
1087 (undo_all): Handle UNDO_LINKS.
1089 2012-01-25 Richard Henderson <rth@redhat.com>
1091 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1094 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1096 * optabs.c (gen_atomic_test_and_set): Use each argument.
1098 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1100 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1101 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1102 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1103 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1104 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1105 TARGET_PAIRED_SINGLE_FLOAT.
1107 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1109 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1110 (in_struct, return_val): Remove MEM documentation.
1111 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1112 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1113 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1115 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1116 * cfgexpand.c (add_alias_set_conflicts): Likewise.
1117 * expr.c (store_field): Likewise.
1118 * function.c (assign_stack_temp_for_type): Likewise.
1119 * ifcvt.c (noce_try_cmove_arith): Likewise.
1120 * reload1.c (reload): Likewise.
1121 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1122 (alpha_set_memflags): Likewise.
1123 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1125 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1127 * rtl.h (true_dependence, canon_true_dependence): Remove varies
1129 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1130 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1131 (true_dependence_1, true_dependence, canon_true_dependence): Remove
1133 * cselib.c (cselib_rtx_varies_p): Delete.
1134 (cselib_invalidate_mem): Update call to canon_true_dependence.
1135 * dse.c (record_store, check_mem_read_rtx): Likewise.
1136 (scan_reads_nospill): Likewise.
1137 * cse.c (check_dependence): Likewise.
1138 (cse_rtx_varies_p): Delete.
1139 * expr.c (safe_from_p): Update call to true_dependence.
1140 * ira.c (validate_equiv_mem_from_store): Likewise.
1141 (memref_referenced_p): Likewise.
1142 * postreload-gcse.c (find_mem_conflicts): Likewise.
1143 * sched-deps.c (sched_analyze_2): Likewise.
1144 * store-motion.c (load_kills_store): Likewise.
1145 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1146 * gcse.c (mems_conflict_for_gcse_p): Likewise.
1147 (compute_transp): Update call to canon_true_dependence.
1149 2012-01-25 Richard Henderson <rth@redhat.com>
1151 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1152 (maybe_emit_atomic_test_and_set): New.
1153 (expand_sync_lock_test_and_set): Use it.
1154 (expand_atomic_test_and_set): Likewise.
1155 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1156 the implementation; clarify implementation defined details.
1157 * doc/md.texi (atomic_test_and_set): Document.
1159 2012-01-25 Richard Henderson <rth@redhat.com>
1161 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1163 2012-01-25 Richard Henderson <rth@redhat.com>
1166 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1167 to effect no-op split.
1169 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1172 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1173 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1174 (BT_FN_VOID_PTR_INT_SIZE): New.
1175 (BT_FN_UINT_UINT_VAR): Remove.
1176 (BT_FN_UINT32_UINT32_VAR): New.
1177 (BT_FN_DOUBLE_VPTR): Remove.
1178 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1180 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1181 (_ITM_changeTransactionMode): Same.
1182 (_ITM_memmoveRtWt): Change return type to void.
1183 (_ITM_memcpyRtWt): Same.
1184 (_ITM_memsetW): Same.
1185 (_ITM_RaRD): Change types to double.
1190 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1192 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1193 Patrick Marlier <patrick.marlier@gmail.com>
1195 * trans-mem.c (requires_barrier): Do not instrument thread local
1196 variables and emit save/restore for them.
1198 2012-01-24 Jason Merrill <jason@redhat.com>
1201 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1202 output static aliases.
1204 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1207 * common.opt (-pie, -shared, pie, shared): Change from Common to
1209 * gcc.c (display_help): Display help for -pie and -shared.
1211 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
1214 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1215 Remove note on size/offset limitation.
1216 (AVR Variable Attributes): Add example how to read data located
1217 with progmem. Refer to named address spaces.
1218 * doc/invoke.texi (AVR Options): Fix typo.
1220 2012-01-24 Richard Guenther <rguenther@suse.de>
1222 Forward-port to trunk
1223 2010-09-21 Jakub Jelinek <jakub@redhat.com>
1226 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1227 op0 isn't sufficiently aligned and there is movmisalignM
1228 insn for mode, use it to load op0 into a temporary register.
1230 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1233 * target.def (const_not_ok_for_debug_p): New hook.
1234 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1236 * doc/tm.texi: Regenerated.
1237 * dwarf2out.c (const_ok_for_output_1): If
1238 targetm.const_not_ok_for_debug_p returns true, fail.
1239 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1241 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1243 2012-01-23 Kai Tietz <ktietz@redhat.com>
1246 * config/i386/predicates.md (symbolic_operand): Allow
1247 UNSPEC_PCREL as PIC expression for lea.
1248 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1249 * config/i386/i386.c (ix86_delegitimize_address): Handle
1250 UNSPEC_PCREL for none-MEM, too.
1252 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1254 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1255 (ipa_tm_create_version_alias): Same.
1257 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
1260 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1261 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1263 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1264 Patrick Marlier <patrick.marlier@gmail.com>
1265 Iain Sandoe <developer@sandoe-acoustics.co.uk>
1268 * lto-wrapper.c (run_gcc): Pass the LTO section name to
1269 simple_object_start_read.
1271 2012-01-23 Richard Guenther <rguenther@suse.de>
1274 PR tree-optimization/51895
1275 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1276 parameter decomposition into BLKmode components.
1278 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
1280 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1281 fake variables for restrict-qualified pointers whose pointed-to type
1282 contains a placeholder.
1284 2012-01-23 Richard Guenther <rguenther@suse.de>
1286 PR tree-optimization/51949
1287 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1289 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1291 PR rtl-optimization/51933
1292 * ree.c (transform_ifelse): Return true right away if dstreg is
1293 already wider or equal to cand->mode.
1294 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1295 (make_defs_and_copies_lists): Remove defs_list and copies_list
1296 arguments, add state argument, just truncate state->work_list
1297 instead of always allocating and freeing the vector. Assert that
1298 get_defs succeeds instead of returning 2. Changed return type to bool.
1299 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
1300 have ext_src_mode, see if it has been modified already with the
1301 right kind of extension and has been extended before from the
1302 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1303 just return true. Remember the original mode in state->modified array.
1304 (combine_reaching_defs): Add state argument. Don't allocate and
1305 free here def_list, copied_list and vec vectors, instead just
1306 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
1307 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1308 Add state variable, clear vectors in it, initialize state.modified
1309 if needed. Free all the vectors at the end and state.modified too.
1310 Don't skip a candidate if the extension expression has been modified.
1312 2012-01-22 Douglas B Rupp <rupp@gnat.com>
1315 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1316 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1317 (extra_options) interix.opt -> i386/interix.opt"
1318 (extra_objs):Add winnt-stubs.o
1319 * configure.ac: Add interix to target_os .comm on PE check.
1320 * configure: Regenerate.
1321 * config/interix3.h: Delete and move bits to..
1322 * config/interix.h: Delete and move bits to..
1323 * config/i386/i386-interix3.h: Delete and move bits to..
1324 * config/i386/i386-interix.h: ..here.
1325 (TARGET_CPU_DEFAULT): Remove redefinition.
1326 (TARGET_ASM_CONSTRUCTOR): Undefine.
1327 (SUBTARGET_SWITCHES): Define for ms-bitfields.
1328 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1329 (PTRDIFF_TYPE): Define.
1330 (LONG_DOUBLE_TYPE_SIZE): Define.
1331 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1332 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1333 (TARGET_SECTION_TYPE_FLAGS): Define.
1334 (ASM_DECLARE_FUNCTION_NAME): Define.
1335 (ASM_OUTPUT_EXTERNAL): Define.
1336 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1337 (ASM_OUTPUT_ALIGNED_BSS): Define.
1338 (PCC_BITFIELD_TYPE_MATTERS): Define.
1339 (USE_CONST_SECTION): Define.
1340 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1341 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1342 (SUPPORTS_ONE_ONLY): Remove.
1343 (I386_PE_STRIP_ENCODING): Define.
1344 * config/interix.opt: Delete and move bits to..
1345 * config/i386/interix.opt: ..here. New.
1346 (mpe-aligned-commons): Add.
1347 * config/i386/t-interix: Add copyright header.
1348 (winnt-stubs.o): Add rule.
1350 2012-01-22 Jason Merrill <jason@redhat.com>
1353 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1354 for extra name aliases.
1356 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
1358 PR rtl-optimization/51924
1359 * ree.c (combine_set_extension): Improve debugging message.
1360 (combine_reaching_defs): Likewise.
1361 (get_defs): Rename confusingly named variable.
1362 (find_and_remove_re): Skip a candidate if the extension expression has
1365 2012-01-21 Robert Millan <rmh@gnu.org>
1366 Gerald Pfeifer <gerald@pfeifer.com>
1368 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1369 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1371 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1373 PR tree-optimization/51914
1374 * tree-vect-stmts.c (vectorizable_conversion): For
1375 cvt_type && modifier == WIDEN, put temporary with cvt_type
1376 at the beginning of vec_dsts and set vec_dest to temporary
1379 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
1381 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1383 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
1385 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1386 * config/rs6000/rs6000.c: Likewise.
1388 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1391 * config/arm/arm.c (arm_count_output_move_double_insns): Call
1392 output_move_double on a copy of operands array.
1394 2012-01-20 Cary Coutant <ccoutant@google.com>
1395 Dodji Seketeli <dodji@redhat.com>
1398 * dwarf2out.c (copy_declaration_context): Return ref to parent
1399 of declaration DIE, if necessary.
1400 (remove_child_or_replace_with_skeleton): Add new parameter; update
1401 caller. Place skeleton DIE under parent DIE of original declaration.
1402 Move call to copy_declaration_context to here ...
1403 (break_out_comdat_types): ... from here.
1405 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1407 PR rtl-optimization/51856
1408 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1411 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1414 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1415 hints for neon loads and stores.
1417 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1421 * doc/extend.texi (Named Address Spaces): Split into subsections.
1422 (AVR Named Address Spaces): New subsection.
1423 (M32C Named Address Spaces): New subsection.
1424 (RL78 Named Address Spaces): New subsection.
1425 (SPU Named Address Spaces): New subsection.
1426 (Variable Attributes): New anchor "AVR Variable Attributes".
1427 (AVR Variable Attributes): Rewrite and avoid wording
1428 "address space" in this context.
1429 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1430 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1431 (AVR Built-in Macros): New subsubsection therein.
1432 * doc/md.texi (AVR constraints): Remove "C04", "R".
1434 2012-01-20 Richard Guenther <rguenther@suse.de>
1436 PR tree-optimization/51903
1437 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1438 when removing stmts.
1440 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1443 * config/arm/arm.c (arm_load_pic_register): Use
1444 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1445 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1446 (arm_pic_static_addr): Likewise.
1447 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1448 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1449 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1450 (pic_load_addr_unified): New.
1452 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1455 * function.c (instantiate_virtual_regs_in_insn): Use
1456 delete_insn_and_edges when removing a wrong asm insn.
1458 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1460 PR rtl-optimization/40761
1461 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1462 Add new member loop_num.
1463 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1464 (ira_build): Remove the parameter.
1466 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1467 (ira.c): Do not build CFG loops for one region allocation. Remove
1468 argument from ira_build call.
1470 * ira-build.c (init_loop_tree_node): New function.
1471 (create_loop_tree_nodes): Use it. Separate the case when CFG
1472 loops are not built.
1473 (more_one_region_p): Check current_loops.
1474 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1476 (add_loop_to_tree): Process loop equal to NULL too.
1477 (form_loop_tree): Separate the case when CFG loops are not built.
1478 Use explicitly number for the root.
1479 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1481 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1482 instead of loop->num.
1483 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1484 (mark_all_loops_for_removal): Ditto.
1485 (remove_unnecessary_regions): Separate the case when CFG loops
1487 (ira_build): Remove the parameter. Use explicit number of regions
1488 when CFG loops are not built.
1490 * ira-color.c (print_loop_title): Separate the case for the root node.
1491 Use loop_num instead of loop->num.
1492 (move_spill_restore): Use loop_num instead of loop->num.
1494 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1495 (change_loop): Ditto.
1496 (change_loop): Use loop_num instead of loop->num.
1498 * ira-lives.c (process_bb_node_lives): Ditto.
1500 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1502 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1504 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1507 * tree-mudflap.c (mf_artificial): New function.
1508 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1509 mx_register_decls, mudflap_enqueue_decl): Use it.
1512 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1513 numbers in the insn pattern.
1515 2012-01-19 Michael Matz <matz@suse.de>
1517 PR tree-optimization/46590
1518 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1519 use it in remembering which conflicts we already created.
1520 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1523 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1526 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1527 (merge_and_complain): Same.
1529 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1532 * config/initfini-array.h: Guard content of the header
1533 with #ifdef HAVE_INITFINI_ARRAY.
1534 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1535 Add initfini-array.h to tm_file here.
1536 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1537 * config.gcc: Don't add initfini-array.h to tm_file here.
1538 * configure: Regenerated.
1540 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1542 PR rtl-optimization/51505
1543 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1544 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1545 (df_note_bb_compute): Update the call to df_kill_notes.
1547 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1549 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1551 2012-01-18 Richard Guenther <rguenther@suse.de>
1553 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1554 of conversions to void *.
1556 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1557 Richard Sandiford <rdsandiford@googlemail.com>
1561 * optabs.h (simplify_expand_binop): Declare.
1562 * optabs.c (simplify_expand_binop): Make global.
1563 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1564 endian targets if the source cannot be exactly covered by word
1567 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1570 * hard-reg-set.h (struct hard_reg_set_container): New type.
1571 * target.h (struct hard_reg_set_container): Forward declare.
1572 * target.def (set_up_by_prologue): New target hook.
1573 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1574 * doc/tm.texi: Regenerated.
1575 * function.c (thread_prologue_and_epilogue_insns): Change
1576 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1577 Call targetm.set_up_by_prologue on it.
1578 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1579 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1581 2012-01-17 Nick Clifton <nickc@redhat.com>
1583 * config/rx/rx.c (rx_can_use_simple_return): New function.
1584 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1585 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1587 2012-01-17 Richard Guenther <rguenther@suse.de>
1590 * expr.c (expand_assignment): Take address-space information
1591 from the address operand of MEM_REF and TARGET_MEM_REF.
1592 (expand_expr_real_1): Likewise.
1594 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1596 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1597 reload dump is requested.
1599 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1602 * trans-mem.c (requires_barrier): Call may_be_aliased.
1604 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1606 PR tree-optimization/51877
1607 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1608 call arguments and fndecls compare equal, instead return false if they
1609 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1610 both SSA_NAMEs that are valueized the same, or they satisfy
1613 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1615 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1617 * configure: Regenerate.
1619 2012-01-16 Jan Hubicka <jh@suse.cz>
1623 * convert.c (convert_to_integer): Use fold_convert for
1624 converting an INTEGER_CST to integer type.
1626 2012-01-16 Jason Merrill <jason@redhat.com>
1629 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1631 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1634 * config/s390/s390.c (s390_chunkify_start): Don't skip
1635 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1636 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1637 If insn is followed by NOTE_INSN_VAR_LOCATION or
1638 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1639 Don't use location of note insns.
1641 PR tree-optimization/51865
1642 * tree-inline.c (tree_function_versioning): Call remap_decl
1643 on DECL_RESULT whenever it has VOID_TYPE_P type.
1645 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1647 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1648 for calls to locally-binding MIPS16 functions if only the return
1649 type uses float regs.
1651 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1652 Richard Sandiford <rdsandiford@googlemail.com>
1654 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1655 (SYMBOL_32_HIGH): Likewise.
1656 (mips_output_tls_reloc_directive): Declare.
1657 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1658 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1659 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1660 (mips_lo_relocs, mips_hi_relocs): Make extern.
1661 (mips16_stub_function): Move up file.
1662 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1663 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1664 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1665 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1666 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1667 (mips_get_tp): Add MIPS16 support.
1668 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1669 Generalize DTPREL and TPREL handling.
1670 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1671 Add MIPS16 TLS support.
1672 (mips_output_tls_reloc_directive): New function.
1673 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1674 * config/mips/predicates.md (symbolic_operand_with_high)
1675 (tls_reloc_operand): New predicates.
1676 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1677 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1678 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1679 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1680 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1681 (*tls_get_tp_mips16_call_<mode>): Likewise.
1683 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1685 PR rtl-optimization/51821
1686 * recog.c (peep2_find_free_register): Determine clobbered registers
1689 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1692 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1693 * config/avr/avr.c: Likewise.
1694 * config/avr/avr.h: Likewise.
1696 2012-01-13 Ian Lance Taylor <iant@google.com>
1699 * tree.h (TYPE_QUALS): Add cast to int.
1700 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1702 2012-01-13 Ian Lance Taylor <iant@google.com>
1704 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1705 comparing param_index to VEC_length result.
1707 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1709 * c-decl.c: Do not include tree-mudflap.h
1710 * tree-optimize.c: Likewise.
1711 * Makefile.in: Update dependencies.
1713 2012-01-13 Richard Guenther <rguenther@suse.de>
1716 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1717 variable-sized result always use RSO.
1719 2012-01-12 DJ Delorie <dj@redhat.com>
1721 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1722 pointer type, not just the default pointer type.
1724 2012-01-09 Richard Henderson <rth@redhat.com>
1725 Denis Chertykov <chertykov@gmail.com>
1728 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1729 * config/avr/avr.c (avr_can_eliminate): Simplify.
1730 (avr_initial_elimination_offset): Likewise.
1731 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1732 (expand_epilogue): Likewise.
1733 (avr_legitimize_address): Gut.
1734 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1735 (avr_hard_regno_nregs): New.
1736 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1737 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1738 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1739 add soft frame pointer.
1740 (CALL_USED_REGISTERS): Likewise.
1741 (REG_CLASS_CONTENTS): Likewise.
1742 (REGISTER_NAMES): Likewise.
1743 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1744 (HARD_FRAME_POINTER_REGNUM): New.
1745 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1746 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1747 remove the HARD_FRAME_POINTER self-elimination.
1749 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1752 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1753 DECL_EXTERNAL when checking for initializers of progmem variables.
1755 2012-01-12 Ira Rosen <irar@il.ibm.com>
1757 PR tree-optimization/51799
1758 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1759 that the last operation is a type demotion.
1761 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1763 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1764 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1766 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1769 * combine.c (distribute_notes): If i3 is a noreturn call,
1770 allow old_size to be equal to args_size and make sure the
1771 noreturn call gets REG_ARGS_SIZE note.
1772 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1773 on noreturn calls even when the delta is 0.
1775 2012-01-11 Nathan Sidwell <nathan@acm.org>
1777 * gcov.c (STRING_SIZE): Remove.
1778 (generate_results): Erase annotations for source files with no
1779 coverage information.
1781 (output_lines): Use it.
1783 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1785 * gimple.h (gimplify_body): Remove first argument.
1786 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1787 pointer set here, instead just pass DATA to walk_tree.
1788 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1789 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1790 (unvisit_body): Likewise, but with unmark_visited.
1791 (gimplify_body): Remove BODY_P argument and adjust.
1792 (gimplify_function_tree): Adjust call to gimplify_body.
1793 * omp-low.c (finalize_task_copyfn): Likewise.
1795 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1797 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1798 (build_function_type_skip_args): Delete.
1799 * tree.c (build_function_type_skip_args): Make static and add
1800 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1801 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1802 pass it to build_function_type_skip_args.
1803 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1804 (tree_function_versioning): Likewise.
1805 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1806 build_function_decl_skip_args.
1807 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1808 and pass it to build_function_decl_skip_args/tree_function_versioning.
1809 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1810 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1811 * trans-mem.c (ipa_tm_create_version): Likewise.
1812 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1813 * tree-inline.c (declare_return_variable): Remove always-true test.
1814 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1815 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1816 * ipa-split.c (split_function): Skip the return value for the split
1817 part if it doesn't return.
1819 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1821 PR tree-optimization/49642
1822 * ipa-split.c (forbidden_dominators): New variable.
1823 (check_forbidden_calls): New function.
1824 (dominated_by_forbidden): Likewise.
1825 (consider_split): Check for forbidden dominators.
1826 (execute_split_functions): Initialize and free forbidden
1827 dominators info; call check_forbidden_calls.
1829 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1831 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1833 2012-01-11 Nick Clifton <nickc@redhat.com>
1835 * config/rx/rx.md (return): Define pattern.
1837 2012-01-11 Richard Guenther <rguenther@suse.de>
1839 * doc/extend.texi (malloc attribute): Adjust according to
1842 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
1843 Patrick Marlier <patrick.marlier@gmail.com>
1846 * trans-mem.c (get_cg_data): Traverse aliases if requested.
1847 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1848 (ipa_tm_note_irrevocable): Same.
1849 (ipa_tm_scan_irr_block): Same.
1850 (ipa_tm_decrement_clone_counts): Same.
1851 (ipa_tm_scan_irr_function): Same.
1852 (ipa_tm_create_version_alias): Same.
1853 (ipa_tm_create_version): Same.
1854 (ipa_tm_transform_calls_redirect): Same.
1855 (ipa_tm_transform_calls): Same.
1856 (ipa_tm_transform_transaction): Same.
1857 (ipa_tm_execute): Same.
1859 2012-01-10 Richard Guenther <rguenther@suse.de>
1862 * opts.c (common_handle_option): Handle -Werror.
1864 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
1866 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1869 2012-01-10 Jason Merrill <jason@redhat.com>
1871 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1874 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1876 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1877 supports R_386_TLS_GD_PLT reloc.
1878 (gcc_cv_as_ix86_tlsldmplt): Check if linker
1879 supports R_386_TLS_LDM_PLT reloc.
1880 * configure: Regenerate.
1881 * config.in: Regenerate.
1883 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
1886 Extend __pgmx semantics to linearize memory.
1887 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1888 determine if code comes inline or from libgcc.
1889 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1890 (movmem_qi, movmem_qi): Set constraint #2 to "n".
1891 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1892 (movmemx_qi, movmemx_hi): New insns.
1893 (xload_<mode>_libgcc): Rewrite to new insn condition.
1894 (xload_<mode>): Remove insns.
1895 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1896 cases that don't satisfy avr_xload_libgcc_p().
1897 (avr_addr_space_convert): Allow converting in any direction.
1898 (avr_addr_space_subset_p): Return always true.
1899 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1900 (avr_emit_movmemhi): Ditto.
1901 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1902 (avr_out_movmem): Ditto.
1903 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1904 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1905 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1906 (avr_encode_section_info): Encode 'progmem' in symbol flags.
1907 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1909 2012-01-10 Richard Guenther <rguenther@suse.de>
1911 PR tree-optimization/50913
1912 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1913 Require data-refs to be representable by Graphite with respect
1916 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
1918 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1919 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1921 2012-01-10 Tom de Vries <tom@codesourcery.com>
1923 PR rtl-optimization/51271
1924 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1925 handling annulled branch.
1927 2012-01-10 Richard Henderson <rth@redhat.com>
1929 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1930 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1931 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1932 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1933 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1934 arm_expand_vec_perm_const): New.
1935 * config/arm/arm-protos.h: Update.
1936 * config/arm/neon.md (UNSPEC_VCONCAT): New.
1937 (*neon_vswp<VDQX>): New.
1938 (neon_vcombine<VDX>): Use neon_split_vcombine.
1939 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1940 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1941 (vec_perm<VE>): New.
1943 2012-01-10 Richard Henderson <rth@redhat.com>
1945 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1946 use it if reload_completed.
1947 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1948 arm_output_asm_insn, arm_process_output_memory_barrier,
1949 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1950 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1951 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1952 arm_process_output_sync_insn, arm_output_sync_insn,
1953 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1954 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1955 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1956 (emit_unlikely_jump): New.
1957 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1958 (arm_split_atomic_op): New.
1959 * config/arm/arm-protos.h: Update.
1960 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1961 (struct arm_sync_generator): Remove.
1962 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1963 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1964 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1965 (VUNSPEC_LL, VUNSPEC_SC): New.
1966 (sync_result, sync_memory, sync_required_value, sync_new_value,
1967 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1968 (attr length): Don't use arm_sync_loop_insns.
1969 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1970 (movsfcc, movdfcc): Likewise.
1971 * config/arm/constraints.md (Ua): New.
1972 * config/arm/prediates.md (mem_noofs_operand): New.
1973 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1974 (sync_clobber, sync_t2_reqd): Remove.
1975 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1976 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1977 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1978 (arm_sync_compare_and_swap<SIDI>): Remove.
1979 (arm_sync_compare_and_swap<NARROW>): Remove.
1980 (arm_sync_lock_test_and_set<SIDI>): Remove.
1981 (arm_sync_lock_test_and_set<NARROW>): Remove.
1982 (arm_sync_new_<syncop><SIDI>): Remove.
1983 (arm_sync_new_<syncop><NARROW>): Remove.
1984 (arm_sync_new_nand<SIDI>): Remove.
1985 (arm_sync_new_nand<NARROW>): Remove.
1986 (arm_sync_old_<syncop><SIDI>): Remove.
1987 (arm_sync_old_<syncop><NARROW>): Remove.
1988 (arm_sync_old_nand<SIDI>): Remove.
1989 (arm_sync_old_nand<NARROW>): Remove.
1990 (*memory_barrier): Merge arm_output_memory_barrier.
1991 (atomic_compare_and_swap<QHSD>): New.
1992 (atomic_compare_and_swap<NARROW>_1): New.
1993 (atomic_compare_and_swap<SIDI>_1): New.
1994 (atomic_exchange<QHSD>): New.
1995 (cas_cmp_operand, cas_cmp_str): New.
1996 (atomic_op_operand, atomic_op_str): New.
1997 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1998 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1999 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2000 (arm_load_exclusive<NARROW>): New.
2001 (arm_load_exclusivesi, arm_load_exclusivedi): New.
2002 (arm_store_exclusive<QHSD>): New.
2004 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
2006 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2007 reload patterns if -mvsx-scalar-memory.
2009 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2010 generated, even -mno-vsx-scalar-double was used.
2011 (vsx_xscvdpsp_scalar): Likewise.
2012 (vsx_xscvspdp_scalar2): Likewise.
2014 2012-01-09 Tom de Vries <tom@codesourcery.com>
2015 Andrew Pinski <apinski@cavium.com>
2018 * reorg.c (fill_slots_from_thread): Don't speculate
2019 frame-related insns.
2021 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
2023 * sched-int.h (bb_note): Move to...
2024 * basic-block.h: ...here.
2025 * haifa-sched.c (bb_note): Move to...
2026 * cfgrtl.c: ...here.
2027 * function.c (next_block_for_reg): New function.
2028 (move_insn_for_shrink_wrap): Likewise.
2029 (prepare_shrink_wrap): Rewrite to use the above.
2031 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
2033 * gimple.c (is_gimple_non_addressable): Remove.
2034 * gimple.h: Remove is_gimple_non_addressable.
2035 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2036 is_gimple_non_addressable.
2037 * trans-mem.c (expand_assign_tm): Same.
2039 2012-01-09 Richard Guenther <rguenther@suse.de>
2041 PR tree-optimization/51775
2042 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2043 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2045 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2047 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2049 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2051 2012-01-09 Richard Guenther <rguenther@suse.de>
2053 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2055 2012-01-08 Jan Hubicka <jh@suse.cz>
2057 PR tree-optimize/51680
2058 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2059 on when known_vals needs to be computed; cleanup.
2061 2012-01-08 Jan Hubicka <jh@suse.cz>
2063 PR tree-optimize/51694
2064 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2066 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
2068 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2069 for -std=c++98 and -std=c++11 too.
2071 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
2073 * cfgloop.c (cancel_loop): Add free() of bbs array.
2075 2012-01-07 Jan Hubicka <jh@suse.cz>
2077 PR tree-optimization/51600
2078 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2079 that benefits small functions.
2081 2012-01-07 Jan Hubicka <jh@suse.cz>
2083 * ipa-inline.c (want_inline_small_function_p): Fix formating.
2085 2012-01-07 Jan Hubicka <jh@suse.cz>
2087 PR tree-optimization/51680
2088 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2089 whose inlining reduce unit size.
2091 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
2094 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2095 Add canonical node to containing_mem chain after the non-canonical
2096 one, even if there weren't any locs to propagate.
2097 (remove_useless_values): Keep only canonical values.
2098 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2099 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
2100 canonicalize mem_chain elements that are not discarded.
2102 2012-01-06 Jakub Jelinek <jakub@redhat.com>
2105 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2106 before emitting functions.
2108 PR gcov-profile/50127
2109 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2110 clear_aux_for_blocks.
2112 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
2115 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2117 2012-01-06 Arnaud Charlet <charlet@adacore.com>
2119 * c-decl.c (ext_block): Moved up.
2120 (collect_all_refs, for_each_global_decl): Take ext_block into account.
2122 2012-01-06 Han Shen <shenhan@google.com>
2124 Translate built-in include paths for sysroot.
2125 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2126 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2128 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2129 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2131 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2132 control whether sysroot should be prepended to gxx include dir.
2134 * configure: Regenerate.
2136 2012-01-06 Torvald Riegel <triegel@redhat.com>
2138 PR rtl-optimization/51771
2139 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2140 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2142 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2144 PR tree-optimization/51315
2145 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2146 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2148 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
2151 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2152 for shrp pattern. Correctly handle and fixup shift variable.
2153 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2155 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2158 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2159 note when !ACCUMULATE_OUTGOING_ARGS.
2161 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2163 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2165 (extract_range_from_unary_expr_1): Avoid useless computations.
2167 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2169 PR rtl-optimization/51767
2170 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2171 of jump_block and add an extra edge for degenerated asm gotos.
2174 * stmt.c (check_unique_operand_names): Don't ICE during error
2175 reporting if i is from labels chain.
2178 * profile.c (branch_prob): Split bbs that have exit edge
2179 and need a fake entry edge too.
2181 2012-01-05 Jan Hubicka <jh@suse.cz>
2184 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2187 2012-01-05 Richard Guenther <rguenther@suse.de>
2190 * tree-streamer-out.c (write_ts_optimization): New function.
2191 (streamer_write_tree_body): Call it.
2192 * tree-streamer-in.c (lto_input_ts_optimization): New function.
2193 (streamer_read_tree_body): Call it.
2194 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2196 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2199 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2200 * gimplify.c (gimplify_cleanup_point_expr): Save and set
2201 in_cleanup_point_expr before gimplify_stmt call and restore it
2203 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2204 in_cleanup_point_expr is false.
2206 2012-01-05 Richard Guenther <rguenther@suse.de>
2209 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2211 * toplev.c (process_options): Reject combining mudflap and LTO.
2212 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2214 2012-01-05 Richard Guenther <rguenther@suse.de>
2216 PR tree-optimization/51760
2217 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2219 (bit_value_unop): Handle UNDEFINED operands.
2220 (bit_value_binop): Likewise.
2222 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
2224 * config/avr/avr.c (avr_replace_prefix): Remove.
2225 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2226 (avr_asm_function_rodata_section): Ditto.
2227 (avr_asm_select_section): Ditto.
2229 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
2231 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2234 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2237 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2238 calls that have any non-fake successor edges.
2241 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2243 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
2245 PR tree-optimization/51624
2246 * tree-sra.c (build_ref_for_model): When replicating a chain of
2247 COMPONENT_REFs, stop as soon as the offset would become negative.
2249 2012-01-04 Jakub Jelinek <jakub@redhat.com>
2252 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2253 in .debug_loc on the floor.
2255 2012-01-04 Andrew Pinski <apinski@cavium.com>
2257 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2259 2012-01-04 Andrew Pinski <apinski@cavium.com>
2260 Adam Nemet <anemet@caviumnetworks.com>
2262 * config/mips/mips.md (size): Add SI and DI.
2263 (SIZE): New mode attribute.
2264 (U): New code attribute.
2265 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2266 (mips_lbux_<mode>): Delete.
2267 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2268 (mips_lhx): Use gen_mips_lhx_extsi.
2269 (mips_lhx_<mode>): Delete.
2271 (mips_l<size>x): New expand.
2272 (mips_lwx_<mode>): Delete.
2273 (mips_l<GPR:size>x_<P:mode>): New pattern.
2274 (*mips_lw<u>x_<P:mode>_ext): Likewise.
2275 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2276 * config/mips/mips.c (mips_lx_address_p): New function.
2277 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2278 (dsp64): New availability predicate.
2279 (mips_builtins): Add an entry for __builtin_mips_ldx.
2280 * config/mips/mips.h (ISA_HAS_LBX): New define.
2281 (ISA_HAS_LBUX): Likewise.
2282 (ISA_HAS_LHX): Likewise.
2283 (ISA_HAS_LHUX): Likewise.
2284 (ISA_HAS_LWX): Likewise.
2285 (ISA_HAS_LWUX): Likewise.
2286 (ISA_HAS_LDX): Likewise.
2287 * doc/extend.texi (__builtin_mips_ldx): Document.
2289 2012-01-04 Tristan Gingold <gingold@adacore.com>
2291 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2292 when long pointers are used.
2293 * config.build (*-*-*vms*): Handle all OpenVMS targets.
2294 (alpha64-dec-*vms*, alpha*-dec-*vms*)
2295 (ia64-hp-*vms*): Remove.
2296 * config/vms/xm-vms64.h: Delete.
2298 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2301 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2303 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2305 * opts.c (finish_options): Remove duplicate sorry.
2307 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2310 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2313 2012-01-04 Richard Guenther <rguenther@suse.de>
2316 * tree.c (size_low_cst): New function.
2317 * tree.h (size_low_cst): Declare.
2318 * fold-const.c (fold_comparison): Use it to extract the low
2319 part of the POINTER_PLUS_EXPR offset.
2321 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
2323 Fix clearing ZERO_REG
2324 * config/avr/avr.md (cc): Add alternative "ldi".
2325 (movqi_insn): Use it in cc attribute.
2326 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2327 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2328 (output_reload_insisf): Use ZERO_REG to pre-clear register.
2330 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2332 * configure: Regenerate.
2334 2012-01-04 Richard Guenther <rguenther@suse.de>
2336 PR tree-optimization/49651
2337 * tree-ssa-structalias.c (type_can_have_subvars): New function.
2338 (var_can_have_subvars): Use it.
2339 (get_constraint_for_1): Only consider subfields if there can be any.
2341 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2344 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2345 to its new canonical_cselib_val and the cselib_val was in
2346 first_containing_mem chain, but the canonical_cselib_val was not,
2347 add the latter into the chain.
2348 (cselib_invalidate_mem): Compare canonical_cselib_val of
2349 addr_list chain elt with v.
2352 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2353 dwarf2out_undef): Allocate e.info using ggc_strdup instead
2355 (output_macinfo_op): Don't ggc_strdup fd->filename.
2356 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2357 then ggc_strdup it. Don't free inc->info or cur->info.
2358 (output_macinfo): Don't free ref->info or file->info.
2360 2012-01-03 Ira Rosen <irar@il.ibm.com>
2362 PR tree-optimization/51269
2363 * tree-vect-loop-manip.c (set_prologue_iterations): Make
2364 first_niters a pointer.
2365 (slpeel_tree_peel_loop_to_edge): Likewise.
2366 (vect_do_peeling_for_loop_bound): Update call to
2367 slpeel_tree_peel_loop_to_edge.
2368 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2369 here. Remove it from the parameters list.
2370 (vect_do_peeling_for_alignment): Update calls and compute
2373 2012-01-03 Richard Guenther <rguenther@suse.de>
2375 PR tree-optimization/51070
2376 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2377 Properly handle calls.
2379 2012-01-03 Richard Guenther <rguenther@suse.de>
2381 PR tree-optimization/51692
2382 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2383 the LHS of allocation stmts.
2385 2012-01-03 Olivier Hainque <hainque@adacore.com>
2387 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2389 2012-01-03 Olivier Hainque <hainque@adacore.com>
2391 * collect2.c (main): In AIX specific computations for vector
2392 insertions, use CONST_CAST2 to cast from char ** to const char **.
2394 2012-01-03 Richard Guenther <rguenther@suse.de>
2397 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2398 the context of a limbo DIE when it does not already exist.
2400 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2402 PR tree-optimization/51719
2403 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2404 but direct call is, clear direct call's lhs and don't add fallthrough
2405 edge from dcall_bb to join_bb and PHIs.
2407 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2409 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2410 the instructions emitted by the pattern.
2411 ("*TDC_insn_<mode>"): Add comment.
2413 2012-01-03 Richard Guenther <rguenther@suse.de>
2416 * fold-const.c (fold_comparison): Properly canonicalize
2417 tree offset and HOST_WIDE_INT bit position.
2419 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2421 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2422 operands for extzv pattern.
2424 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2427 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2430 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2432 * doc/invoke.texi (-flto and related options): Copy-edit.
2434 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2436 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2438 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2440 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2443 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2445 * expr.h (move_by_pieces_ninsns): Declare.
2446 * expr.c (move_by_pieces_ninsns): Make external.
2447 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2448 (mips_store_by_pieces_p): Likewise.
2449 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2450 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2451 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2452 (mips_store_by_pieces_p): Likewise.
2454 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2456 * passes.c (register_one_dump_file): Free full_name.
2458 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2459 (calculate_elim_costs_all_insns): Free offsets_at and
2460 offsets_known_at at the end and clear the pointers.
2462 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2464 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2465 this option introduced in r180739.
2467 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2470 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2471 (tmake_file target=avr): Add avr/t-multilib.
2473 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2474 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2475 * config/avr/genmultilib.awk: New file.
2476 * config/avr/t-multilib: New auto-generated file.
2477 * config/avr/multilib.h: New auto-generated file.
2478 * config/avr/t-avr (AVR_MCUS): New variable.
2479 (genopt.sh): Use it.
2480 (s-mlib): Depend on t-multilib.
2481 (t-multilib, multilib.h): New dependencies.
2482 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2483 (MULTILIB_OPTIONS): Remove.
2484 (MULTILIB_MATCHES): Remove.
2485 (MULTILIB_DIRNAMES): Remove.
2486 (MULTILIB_EXCEPTIONS): Remove:
2487 * config/avr/genopt.sh: Don't use hard coded file name;
2488 pass AVR_MCUS from t-avr instead.
2490 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2492 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2494 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2496 Implement light-weight DImode support.
2497 * config/avr/avr-dimode.md: New file.
2498 * config/avr/avr.md: Include it.
2499 (adjust_len): Add plus64, compare64.
2500 (HIDI): Remove code iterator.
2501 (code_stdname): New code attribute.
2502 (rotx, rotsmode): Remove DI.
2503 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2505 * config/avr/avr-protos.h (avr_have_dimode): New.
2506 (avr_out_plus64, avr_out_compare64): New.
2507 * config/avr/avr.c (avr_out_compare): Handle DImode.
2508 (avr_have_dimode): New variable definition and initialization.
2509 (avr_out_compare64, avr_out_plus64): New functions.
2510 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2511 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2512 (avr_compare_pattern): Skip DImode comparisons.
2514 2012-01-02 Revital Eres <revital.eres@linaro.org>
2516 * ddg.c (def_has_ccmode_p): New function.
2517 (add_cross_iteration_register_deps,
2518 create_ddg_dep_from_intra_loop_link): Call it.
2520 2012-01-02 Richard Guenther <rguenther@suse.de>
2523 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2525 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2527 * gcc.c (process_command): Update copyright notice dates.
2528 * gcov.c (print_version): Likewise.
2529 * gcov-dump.c (print_version): Likewise.
2530 * mips-tfile.c (main): Likewise.
2531 * mips-tdump.c (main): Likewise.
2533 2012-01-01 Ira Rosen <irar@il.ibm.com>
2535 PR tree-optimization/51704
2536 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2537 a use is inside the basic block or loop before accessing its vect info.
2539 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2541 PR rtl-optimization/51069
2542 * cfgloopmanip.c (remove_path): Removing path making irreducible
2543 region unconditional makes BB part of the region.
2545 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2547 PR tree-optimization/51683
2548 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2549 calls with side-effects.
2550 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2552 Copyright (C) 2012 Free Software Foundation, Inc.
2554 Copying and distribution of this file, with or without modification,
2555 are permitted in any medium without royalty provided the copyright
2556 notice and this notice are preserved.