1 2012-02-15 Bernd Schmidt <bernds@codesourcery.com>
3 * haifa-sched.c (prune_ready_list): Ensure that if there is a
4 sched-group insn, it either remains alone or the entire list is
7 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
9 * doc/install.texi (Prerequisites): Fix grammar.
10 (Configuration): Likewise.
12 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
14 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
15 MPC as part of GCC before describing configuring with --with-gmp etc.
16 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
19 2012-02-14 Jakub Jelinek <jakub@redhat.com>
22 * dwarf2out.c (clone_tree_hash): New function.
23 (copy_decls_walk): Use it instead of clone_tree.
25 2012-02-14 Richard Guenther <rguenther@suse.de>
27 PR tree-optimization/52244
28 PR tree-optimization/51528
29 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
30 replacements for integral types.
32 2012-02-14 Walter Lee <walt@tilera.com>
34 * config.gcc: Handle tilegx and tilepro.
35 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
37 Add HAVE_AS_TLS check for tilegx and tilepro.
38 * configure: Regenerate.
39 * doc/contrib.texi: Add Mat Hostetter and self.
40 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
41 Document instruction intrinsics and network accessing intrinsics.
42 (TILEPro Built-in Functions): New node. Document instruction
43 intrinsics and network accessing intrinsics.
44 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
45 (Specific, tilepro-*-linux*): Likewise.
46 * doc/invoke.texi (TILE-Gx Options): New section.
47 (TILEPro Options): New section.
48 * doc/md.texi (TILE-Gx): New section.
49 (TILEPro): New section.
50 * common/config/tilegx/tilegx-common.c: New file.
51 * common/config/tilepro/tilepro-common.c: New file.
52 * config/tilegx/constraints.md: New file.
53 * config/tilegx/linux.h: New file.
54 * config/tilegx/mul-tables.c: New file.
55 * config/tilegx/predicates.md: New file.
56 * config/tilegx/sync.md: New file.
57 * config/tilegx/t-tilegx: New file.
58 * config/tilegx/tilegx-builtins.h: New file.
59 * config/tilegx/tilegx-c.c: New file.
60 * config/tilegx/tilegx-generic.md: New file.
61 * config/tilegx/tilegx-modes.def: New file.
62 * config/tilegx/tilegx-multiply.h: New file.
63 * config/tilegx/tilegx-protos.h: New file.
64 * config/tilegx/tilegx.c: New file.
65 * config/tilegx/tilegx.h: New file.
66 * config/tilegx/tilegx.md: New file.
67 * config/tilegx/tilegx.opt: New file.
68 * config/tilepro/constraints.md: New file.
69 * config/tilepro/gen-mul-tables.cc: New file.
70 * config/tilepro/linux.h: New file.
71 * config/tilepro/mul-tables.c: New file.
72 * config/tilepro/predicates.md: New file.
73 * config/tilepro/t-tilepro: New file.
74 * config/tilepro/tilepro-builtins.h: New file.
75 * config/tilepro/tilepro-c.c: New file.
76 * config/tilepro/tilepro-generic.md: New file.
77 * config/tilepro/tilepro-modes.def: New file.
78 * config/tilepro/tilepro-multiply.h: New file.
79 * config/tilepro/tilepro-protos.h: New file.
80 * config/tilepro/tilepro.c: New file.
81 * config/tilepro/tilepro.h: New file.
82 * config/tilepro/tilepro.md: New file.
83 * config/tilepro/tilepro.opt: New file.
85 2012-02-14 Jakub Jelinek <jakub@redhat.com>
87 PR tree-optimization/52210
88 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
89 vect_model_simple_cost with two entry vect_def_type array instead
92 2012-02-14 Richard Guenther <rguenther@suse.de>
95 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
96 Do not stream DECL_QUALIFIER.
97 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
98 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
99 (find_decls_types_r): Do not walk DECL_QUALIFIER.
101 2012-02-14 Jakub Jelinek <jakub@redhat.com>
104 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
107 2012-02-13 Jakub Jelinek <jakub@redhat.com>
110 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
111 * cselib.c (cselib_subst_to_values_from_insn): New function.
112 * sched-deps.c (add_insn_mem_dependence,
113 sched_analyze_1, sched_analyze_2): Use it.
115 2012-02-13 Jan Hubicka <jh@suse.cz>
118 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
120 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
122 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
123 (GTM_SELF_SPECS): Define if not already defined.
124 (driver_self_specs): Add GTM_SELF_SPECS.
125 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
126 (GTM_SELF_SPECS): Define.
127 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
128 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
130 2012-02-13 Jakub Jelinek <jakub@redhat.com>
132 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
135 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is
139 * omp-low.c (expand_omp_for): If a static schedule without
140 chunk size has NULL region->cont, force fd.chunk_size to be
143 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
146 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
148 2012-02-13 Richard Guenther <rguenther@suse.de>
151 * passes.c (enable_disable_pass): Fix typo.
153 2012-02-13 Jakub Jelinek <jakub@redhat.com>
156 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
157 XOR for reduce_bit_field if type is unsigned.
159 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
161 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
162 disallow changes from SFmode to mode with different size in FP regs.
164 2012-02-12 Robert Millan <rmh@gnu.org>
165 Gerald Pfeifer <gerald@pfeifer.com>
167 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
170 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
172 PR rtl-optimization/52175
173 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
174 to frame-related instructions.
176 2012-02-10 Jason Merrill <jason@redhat.com>
179 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
180 (demangle_new_symbols): Fill it.
181 (scan_linker_output): Walk it.
182 (start_tweaking): Split out from scan_linker_output.
183 (maybe_tweak): Update sym->chosen.
184 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
186 2012-02-11 Jakub Jelinek <jakub@redhat.com>
189 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use
192 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
194 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
195 having the same mode as previous compare.
197 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
199 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
200 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
201 (nonlocal_goto_internal): Likewise.
202 (nonlocal_goto): Emit a use and an indirect jump directly.
204 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
207 * doc/extend.texi : Update comments for __atomic_compare_exchange and
208 __atomic_{is,always}_lock_free.
210 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
213 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
214 negative constant address for x32.
216 2012-02-10 Richard Henderson <rth@redhat.com>
218 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
219 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
220 for GIMPLE_TRANSACTION. Tidy if's into a switch.
222 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
223 Ira Rosen <irar@il.ibm.com>
225 PR tree-optimization/50031
226 * targhooks.c (default_builtin_vectorization_cost): Handle
228 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
229 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
230 all types of reduction and pattern statements.
231 (vect_estimate_min_profitable_iters): Likewise.
232 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
233 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
234 for explicit realigns.
235 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
236 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
238 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
239 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
240 vec_perm for VSX and handle vec_promote_demote.
242 2012-02-10 Jakub Jelinek <jakub@redhat.com>
245 * builtins.c (fold_builtin_atomic_always_lock_free,
246 expand_builtin_atomic_always_lock_free,
247 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
248 Return and/or test boolean_true_node/boolean_false_node instead of
249 integer_one_node/integer_zero_node.
251 2012-02-10 Jan Hubicka <jh@suse.cz>
254 * predict.c (predict_paths_for_bb): Prevent looping.
255 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
257 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
259 * config/arm/arm.c (output_move_double): In one case properly
260 count number of instructions that will be emitted.
262 2012-02-10 Richard Guenther <rguenther@suse.de>
265 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
267 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
270 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
272 2012-02-09 Jakub Jelinek <jakub@redhat.com>
275 * var-tracking.c (emit_note_insn_var_location): If
276 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
277 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
278 non-NOTE_DURING_CALL_P insn.
280 2012-02-09 Bin Cheng <bin.cheng@arm.com>
283 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
285 2012-02-08 Magnus Granberg <zorry@gentoo.org>
288 * gcc.c (switch_matches) Support switches with separated form,
291 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
293 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
296 * config/avr/avr.c (avr_addr_t): New typedef.
297 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
298 (avr_init_expanders): Initialize it.
299 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
301 (expand_epilogue): Ditto.
302 (avr_print_operand): Ditto.
303 (avr_file_start): Ditto.
304 (avr_emit_movmemhi): Ditto.
306 2012-02-08 Richard Guenther <rguenther@suse.de>
308 PR tree-optimization/46886
309 * tree-flow.h (do_while_loop_p): Declare.
310 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
311 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
313 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
315 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
316 always succeed for integers larger than a native word.
318 2012-02-08 Richard Guenther <rguenther@suse.de>
320 PR rtl-optimization/52170
321 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
322 properly handle integer vector modes.
324 2012-02-08 Jakub Jelinek <jakub@redhat.com>
326 PR gcov-profile/52150
327 * coverage.c: Include target.h.
328 (build_var): Call targetm.strip_name_encoding on the assembler name.
329 Change one _ into . or $ if the target allows it.
330 * Makefile.in (coverage.o): Depend on $(TARGET_H).
332 PR rtl-optimization/52139
333 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
334 is a BARRIER after emit_insn_after_noloc, move BB_END
335 to the last non-BARRIER insn before it.
337 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
340 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
341 (mips_gimplify_va_arg_expr): Call it instead of
342 std_gimplify_va_arg_expr.
344 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
346 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
347 message for -mno-pointers-to-nested-function.
349 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
352 * expr.c (get_inner_reference): If there is an offset, add a negative
353 bit position to it (if any).
355 2012-02-07 Jakub Jelinek <jakub@redhat.com>
357 PR rtl-optimization/52060
358 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
359 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
360 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
361 and/or i0src_copy2 when needed.
363 2012-02-07 Jakub Jelinek <jakub@redhat.com>
365 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
366 or LTOPLUGINSONAME if have_c.
368 * config/freebsd-spec.h: Add comment about what macros can be defined
370 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
371 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
374 2012-02-07 Richard Guenther <rguenther@suse.de>
376 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
377 newline in -alias dumps.
379 2012-02-07 Kai Tietz <ktietz@redhat.com>
380 Dave Korn <dave.korn.cygwin@gmail.com>
383 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
384 Take care that typinfo gets dllexport-attribute.
386 2012-02-07 Jakub Jelinek <jakub@redhat.com>
389 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
390 if modifier < EXPAND_SUM call force_operand on the result.
392 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
394 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
395 adding __forwarder_dst__ prefix if a forwarder_section attribute is
397 (epiphany_function_type): Replace types for specific interrupts with
398 EPIPHANY_FUNCTION_INTERRUPT.
399 (EPIPHANY_INTERRUPT_P): Update.
400 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
402 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
403 <disinterrupt>: Affects type identity.
404 (epiphany_handle_interrupt_attribute): Handle variable number of
406 (epiphany_compute_function_type): Update for new
407 epiphany_function_type definition.
408 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
409 handlers with a longcall forwarder.
410 (epiphany_start_function): Handle multiple interrupt arguments and/or
411 forwarder_section attribute.
413 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
416 2012-02-07 Alan Modra <amodra@gmail.com>
419 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
422 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
424 PR tree-optimization/50969
425 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
426 use vec_perm rather than vector_stmt.
427 (vect_model_load_cost): Likewise.
428 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
429 vec_perm to be the same as other vector statements.
430 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
431 cost of vec_perm for TARGET_VSX.
433 2012-02-06 Richard Guenther <rguenther@suse.de>
435 PR tree-optimization/52115
436 * tree-sra.c (access_has_replacements_p): New function.
437 (sra_modify_assign): Use it to decide whether a use is uninitialized.
439 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
442 * trans-mem.c (expand_call_tm): Add an assertion.
443 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
446 2012-02-06 Richard Guenther <rguenther@suse.de>
448 PR tree-optimization/50955
449 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
450 raise cost of expressions that replace an address with an
451 expression based on a different pointer.
453 2012-02-06 Jakub Jelinek <jakub@redhat.com>
456 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
457 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
459 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
462 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
463 -Weffc++ and specify guidelines come from second edition.
465 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
467 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
468 (sibcall_value_multiple_internal, call_split, call_internal_direct)
469 (call_direct_split, call_value_split, call_value_internal_direct)
470 (call_value_direct_split, call_value_multiple_split): Use jal and
471 jal_macro attributes.
473 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
475 * reload1.c (reload_regs_reach_end_p): Replace with...
476 (reload_reg_rtx_reaches_end_p): ...this function.
477 (new_spill_reg_store): Update commentary.
478 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
479 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
480 before setting new_spill_reg_store.
481 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
482 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
483 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
484 for non-spill reload registers.
486 2012-02-05 Ira Rosen <irar@il.ibm.com>
488 PR tree-optimization/52091
489 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
490 (vect_is_simple_use_1): Likewise.
491 * tree-vect-loop.c (vectorizable_reduction): Update calls
492 to vect_is_simple_use_1 and vect_is_simple_use.
493 (vectorizable_live_operation): Likewise.
494 * tree-vect-patterns.c (widened_name_p,
495 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
496 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
497 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
498 vectorizable_shift,vectorizable_operation, vectorizable_store,
499 vectorizable_load): Likewise.
500 (vect_is_simple_cond): Add an argument, pass it to
501 vect_is_simple_use_1.
502 (vectorizable_condition): Update calls to vect_is_simple_cond,
504 (vect_is_simple_use): Add an argument, the statement in which
505 OPERAND is used. Check that if OPERAND's def stmt is a double
506 reduction phi node, the use is a phi node too.
507 (vect_is_simple_use_1): Add an argument, pass it to
509 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
510 to vect_is_simple_use.
512 2012-02-04 Jakub Jelinek <jakub@redhat.com>
514 PR rtl-optimization/52095
515 * modulo-sched.c (dump_insn_locator): New function.
516 (loop_canon_p, sms_schedule): Use it.
518 PR rtl-optimization/52113
519 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
520 even for decomposable shift/zext insns.
522 2012-02-03 Jakub Jelinek <jakub@redhat.com>
523 Zdenek Dvorak <ook@ucw.cz>
525 PR rtl-optimization/52092
526 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
527 on get_iv_value result.
529 2012-02-02 Andrew Pinski <apinski@cavium.com>
533 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
535 2012-02-02 Jakub Jelinek <jakub@redhat.com>
538 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
540 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
542 PR rtl-optimization/49800
543 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
544 (sched_finish): Call regstat_free_n_sets_and_refs.
546 2012-02-02 Jia Liu <proljc@gmail.com>
548 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
551 2012-02-02 Jan Hubicka <jh@suse.cz>
552 Tom de Vries <tom@codesourcery.com>
555 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
556 * varpool.c (varpool_analyze_pending_decls): Likewise.
558 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
559 Jayant R Sonar <jayant.sonar@kpitcummins.com>
561 * config.gcc: Add cr16-* support.
563 * doc/extend.texi: Document cr16 extensions.
564 * doc/install.texi: Document cr16 install.
565 * doc/invoke.texi: Document cr16 options.
566 * doc/md.texi: Document cr16 constraints.
568 * common/config/cr16/cr16-common.c: New file.
569 * config/cr16/cr16.c: New file.
570 * config/cr16/cr16.h: New file.
571 * config/cr16/cr16.md: New file.
572 * config/cr16/cr16.opt: New file.
573 * config/cr16/cr16-protos.h: New file.
574 * config/cr16/predicates.md: New file.
575 * config/cr16/constraints.md: New file.
576 * config/cr16/t-cr16: New file.
578 2012-02-02 Jakub Jelinek <jakub@redhat.com>
581 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
582 that operands[2] is either immediate, or q_regs_operand.
584 PR tree-optimization/52073
585 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
586 a pattern stmt for pattern uses, ignore uses outside of the loop.
588 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
590 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
591 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
592 (OUT_AS1, OUT_AS2): Remove.
594 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
596 PR rtl-optimization/51374
597 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
598 to cross other volatile_refs_p insns.
600 2012-02-01 Richard Guenther <rguenther@suse.de>
602 * doc/invoke.texi (fno-inline): Clarify documentation.
603 (finline-small-functions): Likewise.
604 (finline-functions): Likewise.
605 * common.opt (finline): Adjust comment and documentation.
606 (finline-small-functions): Clarify documentation.
607 (finline-functions): Likewise.
608 (finline-functions-called-once): Likewise.
610 2012-02-01 Tristan Gingold <gingold@adacore.com>
612 * c-typeck.c (composite_type): Keep mode for pointers.
614 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
616 * function.h (regno_reg_rtx): Adjust comment.
617 * reginfo.c (init_reg_modes_target): Only use the previous mode
618 if it fits within one register. Remove MIPS comment.
620 2012-01-31 Jakub Jelinek <jakub@redhat.com>
623 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
625 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
627 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
630 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
632 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
634 2012-01-31 Jakub Jelinek <jakub@redhat.com>
639 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
641 2012-01-31 Richard Guenther <rguenther@suse.de>
643 PR tree-optimization/51528
644 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
647 2012-01-31 Jakub Jelinek <jakub@redhat.com>
652 * ree.c (add_removable_extension): Change def_map argument
653 to unsigned *, store in def_map 1 + offset into *insn_list vector
654 instead of pointers into the vector.
655 (find_removable_extensions): Adjust caller.
657 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
659 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
660 Transform all "* quoted-c-code" to { c-code }.
661 Remove redundant test for "optimize" in combine patterns.
662 Move (include "avr-dimode.md") to end of file.
664 2012-01-30 Bin Cheng <bin.cheng@arm.com>
667 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
668 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
670 2012-01-30 Richard Guenther <rguenther@suse.de>
672 PR tree-optimization/52028
673 * tree-loop-distribution.c (ldist_gen): Properly update
676 2012-01-30 Jakub Jelinek <jakub@redhat.com>
679 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
680 set_cur_line_info_table if not emitting debug info.
682 PR tree-optimization/52046
683 * tree-vect-patterns.c (check_bool_pattern): Give up if
684 a comparison could throw.
687 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
689 2012-01-30 Richard Guenther <rguenther@suse.de>
691 PR tree-optimization/52045
692 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
693 SSA form if cfgcleanup did anything.
695 2012-01-30 Richard Guenther <rguenther@suse.de>
697 PR tree-optimization/52045
698 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
699 before computing final todo.
701 2012-01-30 Richard Guenther <rguenther@suse.de>
703 PR tree-optimization/51528
704 * tree-sra.c (sra_modify_assign): Re-factor in preparation
707 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
709 * df-problems.c (df_kill_notes): Check that the use refers
710 to the note under examination.
712 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
715 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
716 parameter and use short-lived pseudos.
717 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
718 (sparc_expand_vector_init): Const-ify local variables and adjust
719 calls to above functions.
721 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
723 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
725 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
727 * doc/invoke.texi: Make usage of "compile time" and
728 "run time"/"runtime" consistent throughout the file.
730 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
732 * config/alpha/alpha.c (alpha_option_override): Default to
733 full IEEE compliance mode for Go language.
735 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
737 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
738 (LINK_SSP_SPEC): Define.
740 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
743 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
746 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
748 * doc/invoke.texi: Correct hyphenation of "floating point",
749 "double precision", and related terminology throughout the file.
751 2012-01-28 Jakub Jelinek <jakub@redhat.com>
754 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
755 arm_general_register_operand predicate for operand 2 instead of
758 2012-01-27 Ian Lance Taylor <iant@google.com>
761 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
762 * builtins.c (expand_builtin_init_trampoline): Add onstack
763 parameter. Change caller.
764 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
765 * tree.c (build_common_builtin_nodes): Declare
766 __builtin_init_heap_trampoline.
768 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
770 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
771 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
772 * config/avr/avr.c: Ditto.
773 (avr_regnames): Remove because unused.
774 * config/avr/avr.md (*cpse.ne): New peephole.
775 (*cpse.eq): New peephole from former cpse peepholes.
777 2012-01-27 Michael Eager <eager@eagercon.com>
779 * config/microblaze.c (microblaze_emit_compare): Correct
780 test after pcmp instruction.
782 2012-01-27 Richard Guenther <rguenther@suse.de>
784 PR tree-optimization/52020
785 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
787 2012-01-27 Richard Guenther <rguenther@suse.de>
789 * ipa-pure-const.c (check_stmt): Clobbers do not make a
790 function non-const/pure.
792 2012-01-27 Richard Guenther <rguenther@suse.de>
794 PR tree-optimization/50444
795 * tree-sra.c (build_ref_for_offset): Properly adjust the
796 MEM_REF type for unaligned accesses.
798 2012-01-27 Richard Guenther <rguenther@suse.de>
800 PR tree-optimization/50444
801 * expr.c (mem_ref_refers_to_non_mem_p): New function.
802 (expand_assignment): Use it. Properly handle misaligned
803 bases when expanding stores to component references.
804 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
807 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
810 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
811 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
812 * tree-data-ref.c (find_data_references_in_loop): Make static.
813 (compute_all_dependences): Change return type to bool. Bail out
814 for too many datarefs in a loop. Move the hunk resetting the data
815 dependences vector from ...
816 (compute_data_dependences_for_loop): ... here. Account for
817 compute_all_dependences returning false.
818 (compute_data_dependences_for_bb): Likewise.
819 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
820 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
822 2012-01-27 Richard Guenther <rguenther@suse.de>
825 * expr.c (store_field): Use the alias-set of the scratch memory
828 2012-01-27 Tom de Vries <tom@codesourcery.com>
830 PR tree-optimization/51990
831 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
833 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
835 2012-01-27 Jakub Jelinek <jakub@redhat.com>
838 * var-tracking.c (reverse_op): Don't add any reverse operation
839 if V already has any constant locations.
841 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
843 * doc/invoke.texi: Correct usage of "command line" (noun)
844 vs "command-line" (adjective) throughout.
846 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
848 * doc/invoke.texi (Language Independent Options): Move
849 -Wcoverage-mismatch blurb from here....
850 (Warning Options): ...to here.
852 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
854 * config/rs6000/rs6000.c (rs6000_option_override_internal):
855 Set rs6000_always_hint to false for 476.
857 2012-01-27 Matthias Klose <doko@ubuntu.com>
859 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
861 * incpath.c (add_standard_paths): Likewise.
863 2012-01-27 Richard Henderson <rth@redhat.com>
865 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
866 * config/m68k/sync.md (atomic_test_and_set): Rename from
867 sync_test_and_setqi and adjust the operands.
868 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
869 and unconditionally enable.
871 2012-01-27 Richard Henderson <rth@redhat.com>
873 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
874 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
875 (ldstub): Rename from ldstubqi.
876 (ldstub<I24MODE>): Remove.
878 2012-01-27 Richard Henderson <rth@redhat.com>
880 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
881 * c-cppbuiltin.c (cpp_atomic_builtins): Define
882 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
883 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
884 * doc/tm.texi: Rebuild.
886 2012-01-27 Richard Henderson <rth@redhat.com>
888 * optabs.c (gen_atomic_test_and_set): Remove default.
889 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
891 2012-01-26 Jakub Jelinek <jakub@redhat.com>
893 PR rtl-optimization/51978
894 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
895 (combine_reaching_defs): Likewise.
896 (struct re_info): Remove.
897 (add_removable_extension): Remove x and data arguments,
898 add insn, insn_list and def_map. Use the arguments directly
899 instead of using struct re_info.
900 (find_removable_extensions): Don't call add_removable_extension
901 through note_stores, instead just call it with single_set
903 (find_and_remove_re): Pass curr_cand->expr instead of
904 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
906 2012-01-26 Michael Matz <matz@suse.de>
908 PR tree-optimization/46590
909 * cfgexpand.c: Revert last change (r183305).
910 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
912 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
913 checking for emptiness.
915 2012-01-26 Jakub Jelinek <jakub@redhat.com>
918 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
919 non-addressable non-BLKmode base correctly.
921 2012-01-26 Michael Matz <matz@suse.de>
923 PR tree-optimization/48794
924 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
925 regions referenced from RESX/EH_DISPATCH.
927 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
929 * config/s390/s390.h: Make BRANCH_COST an option.
930 * config/s390/s390.opt: New option -mbranch-cost.
932 2012-01-26 Richard Henderson <rth@redhat.com>
934 Revert 2012-01-24 change:
935 * trans-mem.c (requires_barrier): Do not instrument thread local
936 variables and emit save/restore for them.
938 2012-01-25 Jakub Jelinek <jakub@redhat.com>
941 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
944 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
946 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
949 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
952 Rename __pgm to __flash.
953 Rename __pgm1 to __flash1.
954 Rename __pgm2 to __flash2.
955 Rename __pgm3 to __flash3.
956 Rename __pgm4 to __flash4.
957 Rename __pgm5 to __flash5.
958 Rename __pgmx to __memx.
959 * doc/extend.texi (AVR Named Address Spaces)
960 Rename address space names as indicated above.
961 * config/avr/avr.c (avr_addrspace): Ditto.
963 * config/avr/avr-protos.h
964 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
965 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
966 * config/avr/predicates.md: Ditto.
967 * config/avr/avr.c Ditto, and
968 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
969 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
971 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
972 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
973 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
974 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
975 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
976 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
977 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
978 * config/avr/avr.c: Ditto.
979 * config/avr/avr.md: Ditto.
981 2012-01-25 Jason Merrill <jason@redhat.com>
984 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
986 2012-01-25 Jakub Jelinek <jakub@redhat.com>
988 PR tree-optimization/51987
989 * tree-data-ref.c (get_references_in_stmt): Handle references in
990 non-volatile GIMPLE_ASM.
992 2012-01-25 Richard Guenther <rguenther@suse.de>
994 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
995 bases are dereferenced.
997 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
999 PR rtl-optimization/48374
1000 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1002 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
1004 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1005 compute_data_dependences_for_loop returns false.
1006 * tree-parloops.c (loop_parallel_p): Likewise.
1008 2012-01-25 Richard Guenther <rguenther@suse.de>
1010 * tree.h (get_pointer_alignment_1): Declare.
1011 * builtins.c (get_pointer_alignment_1): New function.
1012 (get_pointer_alignment): Use it.
1014 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1016 PR rtl-optimization/48308
1017 * combine.c (enum undo_kind): Add UNDO_LINKS.
1018 (struct undo): Add member l to other_contents and where.
1019 (do_SUBST_LINK): New.
1021 (try_combine): Handle LOG_LINKS for the dummy i1 case.
1022 (undo_all): Handle UNDO_LINKS.
1024 2012-01-25 Richard Henderson <rth@redhat.com>
1026 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1029 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1031 * optabs.c (gen_atomic_test_and_set): Use each argument.
1033 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1035 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1036 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1037 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1038 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1039 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1040 TARGET_PAIRED_SINGLE_FLOAT.
1042 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1044 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1045 (in_struct, return_val): Remove MEM documentation.
1046 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1047 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1048 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1050 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1051 * cfgexpand.c (add_alias_set_conflicts): Likewise.
1052 * expr.c (store_field): Likewise.
1053 * function.c (assign_stack_temp_for_type): Likewise.
1054 * ifcvt.c (noce_try_cmove_arith): Likewise.
1055 * reload1.c (reload): Likewise.
1056 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1057 (alpha_set_memflags): Likewise.
1058 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1060 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1062 * rtl.h (true_dependence, canon_true_dependence): Remove varies
1064 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1065 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1066 (true_dependence_1, true_dependence, canon_true_dependence): Remove
1068 * cselib.c (cselib_rtx_varies_p): Delete.
1069 (cselib_invalidate_mem): Update call to canon_true_dependence.
1070 * dse.c (record_store, check_mem_read_rtx): Likewise.
1071 (scan_reads_nospill): Likewise.
1072 * cse.c (check_dependence): Likewise.
1073 (cse_rtx_varies_p): Delete.
1074 * expr.c (safe_from_p): Update call to true_dependence.
1075 * ira.c (validate_equiv_mem_from_store): Likewise.
1076 (memref_referenced_p): Likewise.
1077 * postreload-gcse.c (find_mem_conflicts): Likewise.
1078 * sched-deps.c (sched_analyze_2): Likewise.
1079 * store-motion.c (load_kills_store): Likewise.
1080 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1081 * gcse.c (mems_conflict_for_gcse_p): Likewise.
1082 (compute_transp): Update call to canon_true_dependence.
1084 2012-01-25 Richard Henderson <rth@redhat.com>
1086 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1087 (maybe_emit_atomic_test_and_set): New.
1088 (expand_sync_lock_test_and_set): Use it.
1089 (expand_atomic_test_and_set): Likewise.
1090 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1091 the implementation; clarify implementation defined details.
1092 * doc/md.texi (atomic_test_and_set): Document.
1094 2012-01-25 Richard Henderson <rth@redhat.com>
1096 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1098 2012-01-25 Richard Henderson <rth@redhat.com>
1101 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1102 to effect no-op split.
1104 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1107 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1108 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1109 (BT_FN_VOID_PTR_INT_SIZE): New.
1110 (BT_FN_UINT_UINT_VAR): Remove.
1111 (BT_FN_UINT32_UINT32_VAR): New.
1112 (BT_FN_DOUBLE_VPTR): Remove.
1113 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1115 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1116 (_ITM_changeTransactionMode): Same.
1117 (_ITM_memmoveRtWt): Change return type to void.
1118 (_ITM_memcpyRtWt): Same.
1119 (_ITM_memsetW): Same.
1120 (_ITM_RaRD): Change types to double.
1125 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1127 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1128 Patrick Marlier <patrick.marlier@gmail.com>
1130 * trans-mem.c (requires_barrier): Do not instrument thread local
1131 variables and emit save/restore for them.
1133 2012-01-24 Jason Merrill <jason@redhat.com>
1136 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1137 output static aliases.
1139 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1142 * common.opt (-pie, -shared, pie, shared): Change from Common to
1144 * gcc.c (display_help): Display help for -pie and -shared.
1146 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
1149 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1150 Remove note on size/offset limitation.
1151 (AVR Variable Attributes): Add example how to read data located
1152 with progmem. Refer to named address spaces.
1153 * doc/invoke.texi (AVR Options): Fix typo.
1155 2012-01-24 Richard Guenther <rguenther@suse.de>
1157 Forward-port to trunk
1158 2010-09-21 Jakub Jelinek <jakub@redhat.com>
1161 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1162 op0 isn't sufficiently aligned and there is movmisalignM
1163 insn for mode, use it to load op0 into a temporary register.
1165 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1168 * target.def (const_not_ok_for_debug_p): New hook.
1169 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1171 * doc/tm.texi: Regenerated.
1172 * dwarf2out.c (const_ok_for_output_1): If
1173 targetm.const_not_ok_for_debug_p returns true, fail.
1174 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1176 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1178 2012-01-23 Kai Tietz <ktietz@redhat.com>
1181 * config/i386/predicates.md (symbolic_operand): Allow
1182 UNSPEC_PCREL as PIC expression for lea.
1183 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1184 * config/i386/i386.c (ix86_delegitimize_address): Handle
1185 UNSPEC_PCREL for none-MEM, too.
1187 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1189 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1190 (ipa_tm_create_version_alias): Same.
1192 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
1195 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1196 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1198 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1199 Patrick Marlier <patrick.marlier@gmail.com>
1200 Iain Sandoe <developer@sandoe-acoustics.co.uk>
1203 * lto-wrapper.c (run_gcc): Pass the LTO section name to
1204 simple_object_start_read.
1206 2012-01-23 Richard Guenther <rguenther@suse.de>
1209 PR tree-optimization/51895
1210 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1211 parameter decomposition into BLKmode components.
1213 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
1215 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1216 fake variables for restrict-qualified pointers whose pointed-to type
1217 contains a placeholder.
1219 2012-01-23 Richard Guenther <rguenther@suse.de>
1221 PR tree-optimization/51949
1222 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1224 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1226 PR rtl-optimization/51933
1227 * ree.c (transform_ifelse): Return true right away if dstreg is
1228 already wider or equal to cand->mode.
1229 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1230 (make_defs_and_copies_lists): Remove defs_list and copies_list
1231 arguments, add state argument, just truncate state->work_list
1232 instead of always allocating and freeing the vector. Assert that
1233 get_defs succeeds instead of returning 2. Changed return type to bool.
1234 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
1235 have ext_src_mode, see if it has been modified already with the
1236 right kind of extension and has been extended before from the
1237 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1238 just return true. Remember the original mode in state->modified array.
1239 (combine_reaching_defs): Add state argument. Don't allocate and
1240 free here def_list, copied_list and vec vectors, instead just
1241 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
1242 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1243 Add state variable, clear vectors in it, initialize state.modified
1244 if needed. Free all the vectors at the end and state.modified too.
1245 Don't skip a candidate if the extension expression has been modified.
1247 2012-01-22 Douglas B Rupp <rupp@gnat.com>
1250 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1251 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1252 (extra_options) interix.opt -> i386/interix.opt"
1253 (extra_objs):Add winnt-stubs.o
1254 * configure.ac: Add interix to target_os .comm on PE check.
1255 * configure: Regenerate.
1256 * config/interix3.h: Delete and move bits to..
1257 * config/interix.h: Delete and move bits to..
1258 * config/i386/i386-interix3.h: Delete and move bits to..
1259 * config/i386/i386-interix.h: ..here.
1260 (TARGET_CPU_DEFAULT): Remove redefinition.
1261 (TARGET_ASM_CONSTRUCTOR): Undefine.
1262 (SUBTARGET_SWITCHES): Define for ms-bitfields.
1263 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1264 (PTRDIFF_TYPE): Define.
1265 (LONG_DOUBLE_TYPE_SIZE): Define.
1266 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1267 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1268 (TARGET_SECTION_TYPE_FLAGS): Define.
1269 (ASM_DECLARE_FUNCTION_NAME): Define.
1270 (ASM_OUTPUT_EXTERNAL): Define.
1271 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1272 (ASM_OUTPUT_ALIGNED_BSS): Define.
1273 (PCC_BITFIELD_TYPE_MATTERS): Define.
1274 (USE_CONST_SECTION): Define.
1275 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1276 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1277 (SUPPORTS_ONE_ONLY): Remove.
1278 (I386_PE_STRIP_ENCODING): Define.
1279 * config/interix.opt: Delete and move bits to..
1280 * config/i386/interix.opt: ..here. New.
1281 (mpe-aligned-commons): Add.
1282 * config/i386/t-interix: Add copyright header.
1283 (winnt-stubs.o): Add rule.
1285 2012-01-22 Jason Merrill <jason@redhat.com>
1288 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1289 for extra name aliases.
1291 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
1293 PR rtl-optimization/51924
1294 * ree.c (combine_set_extension): Improve debugging message.
1295 (combine_reaching_defs): Likewise.
1296 (get_defs): Rename confusingly named variable.
1297 (find_and_remove_re): Skip a candidate if the extension expression has
1300 2012-01-21 Robert Millan <rmh@gnu.org>
1301 Gerald Pfeifer <gerald@pfeifer.com>
1303 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1304 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1306 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1308 PR tree-optimization/51914
1309 * tree-vect-stmts.c (vectorizable_conversion): For
1310 cvt_type && modifier == WIDEN, put temporary with cvt_type
1311 at the beginning of vec_dsts and set vec_dest to temporary
1314 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
1316 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1318 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
1320 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1321 * config/rs6000/rs6000.c: Likewise.
1323 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1326 * config/arm/arm.c (arm_count_output_move_double_insns): Call
1327 output_move_double on a copy of operands array.
1329 2012-01-20 Cary Coutant <ccoutant@google.com>
1330 Dodji Seketeli <dodji@redhat.com>
1333 * dwarf2out.c (copy_declaration_context): Return ref to parent
1334 of declaration DIE, if necessary.
1335 (remove_child_or_replace_with_skeleton): Add new parameter; update
1336 caller. Place skeleton DIE under parent DIE of original declaration.
1337 Move call to copy_declaration_context to here ...
1338 (break_out_comdat_types): ... from here.
1340 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1342 PR rtl-optimization/51856
1343 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1346 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1349 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1350 hints for neon loads and stores.
1352 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1356 * doc/extend.texi (Named Address Spaces): Split into subsections.
1357 (AVR Named Address Spaces): New subsection.
1358 (M32C Named Address Spaces): New subsection.
1359 (RL78 Named Address Spaces): New subsection.
1360 (SPU Named Address Spaces): New subsection.
1361 (Variable Attributes): New anchor "AVR Variable Attributes".
1362 (AVR Variable Attributes): Rewrite and avoid wording
1363 "address space" in this context.
1364 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1365 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1366 (AVR Built-in Macros): New subsubsection therein.
1367 * doc/md.texi (AVR constraints): Remove "C04", "R".
1369 2012-01-20 Richard Guenther <rguenther@suse.de>
1371 PR tree-optimization/51903
1372 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1373 when removing stmts.
1375 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1378 * config/arm/arm.c (arm_load_pic_register): Use
1379 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1380 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1381 (arm_pic_static_addr): Likewise.
1382 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1383 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1384 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1385 (pic_load_addr_unified): New.
1387 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1390 * function.c (instantiate_virtual_regs_in_insn): Use
1391 delete_insn_and_edges when removing a wrong asm insn.
1393 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1395 PR rtl-optimization/40761
1396 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1397 Add new member loop_num.
1398 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1399 (ira_build): Remove the parameter.
1401 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1402 (ira.c): Do not build CFG loops for one region allocation. Remove
1403 argument from ira_build call.
1405 * ira-build.c (init_loop_tree_node): New function.
1406 (create_loop_tree_nodes): Use it. Separate the case when CFG
1407 loops are not built.
1408 (more_one_region_p): Check current_loops.
1409 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1411 (add_loop_to_tree): Process loop equal to NULL too.
1412 (form_loop_tree): Separate the case when CFG loops are not built.
1413 Use explicitly number for the root.
1414 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1416 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1417 instead of loop->num.
1418 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1419 (mark_all_loops_for_removal): Ditto.
1420 (remove_unnecessary_regions): Separate the case when CFG loops
1422 (ira_build): Remove the parameter. Use explicit number of regions
1423 when CFG loops are not built.
1425 * ira-color.c (print_loop_title): Separate the case for the root node.
1426 Use loop_num instead of loop->num.
1427 (move_spill_restore): Use loop_num instead of loop->num.
1429 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1430 (change_loop): Ditto.
1431 (change_loop): Use loop_num instead of loop->num.
1433 * ira-lives.c (process_bb_node_lives): Ditto.
1435 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1437 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1439 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1442 * tree-mudflap.c (mf_artificial): New function.
1443 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1444 mx_register_decls, mudflap_enqueue_decl): Use it.
1447 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1448 numbers in the insn pattern.
1450 2012-01-19 Michael Matz <matz@suse.de>
1452 PR tree-optimization/46590
1453 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1454 use it in remembering which conflicts we already created.
1455 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1458 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1461 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1462 (merge_and_complain): Same.
1464 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1467 * config/initfini-array.h: Guard content of the header
1468 with #ifdef HAVE_INITFINI_ARRAY.
1469 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1470 Add initfini-array.h to tm_file here.
1471 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1472 * config.gcc: Don't add initfini-array.h to tm_file here.
1473 * configure: Regenerated.
1475 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1477 PR rtl-optimization/51505
1478 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1479 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1480 (df_note_bb_compute): Update the call to df_kill_notes.
1482 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1484 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1486 2012-01-18 Richard Guenther <rguenther@suse.de>
1488 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1489 of conversions to void *.
1491 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1492 Richard Sandiford <rdsandiford@googlemail.com>
1496 * optabs.h (simplify_expand_binop): Declare.
1497 * optabs.c (simplify_expand_binop): Make global.
1498 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1499 endian targets if the source cannot be exactly covered by word
1502 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1505 * hard-reg-set.h (struct hard_reg_set_container): New type.
1506 * target.h (struct hard_reg_set_container): Forward declare.
1507 * target.def (set_up_by_prologue): New target hook.
1508 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1509 * doc/tm.texi: Regenerated.
1510 * function.c (thread_prologue_and_epilogue_insns): Change
1511 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1512 Call targetm.set_up_by_prologue on it.
1513 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1514 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1516 2012-01-17 Nick Clifton <nickc@redhat.com>
1518 * config/rx/rx.c (rx_can_use_simple_return): New function.
1519 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1520 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1522 2012-01-17 Richard Guenther <rguenther@suse.de>
1525 * expr.c (expand_assignment): Take address-space information
1526 from the address operand of MEM_REF and TARGET_MEM_REF.
1527 (expand_expr_real_1): Likewise.
1529 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1531 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1532 reload dump is requested.
1534 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1537 * trans-mem.c (requires_barrier): Call may_be_aliased.
1539 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1541 PR tree-optimization/51877
1542 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1543 call arguments and fndecls compare equal, instead return false if they
1544 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1545 both SSA_NAMEs that are valueized the same, or they satisfy
1548 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1550 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1552 * configure: Regenerate.
1554 2012-01-16 Jan Hubicka <jh@suse.cz>
1558 * convert.c (convert_to_integer): Use fold_convert for
1559 converting an INTEGER_CST to integer type.
1561 2012-01-16 Jason Merrill <jason@redhat.com>
1564 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1566 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1569 * config/s390/s390.c (s390_chunkify_start): Don't skip
1570 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1571 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1572 If insn is followed by NOTE_INSN_VAR_LOCATION or
1573 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1574 Don't use location of note insns.
1576 PR tree-optimization/51865
1577 * tree-inline.c (tree_function_versioning): Call remap_decl
1578 on DECL_RESULT whenever it has VOID_TYPE_P type.
1580 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1582 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1583 for calls to locally-binding MIPS16 functions if only the return
1584 type uses float regs.
1586 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1587 Richard Sandiford <rdsandiford@googlemail.com>
1589 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1590 (SYMBOL_32_HIGH): Likewise.
1591 (mips_output_tls_reloc_directive): Declare.
1592 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1593 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1594 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1595 (mips_lo_relocs, mips_hi_relocs): Make extern.
1596 (mips16_stub_function): Move up file.
1597 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1598 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1599 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1600 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1601 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1602 (mips_get_tp): Add MIPS16 support.
1603 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1604 Generalize DTPREL and TPREL handling.
1605 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1606 Add MIPS16 TLS support.
1607 (mips_output_tls_reloc_directive): New function.
1608 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1609 * config/mips/predicates.md (symbolic_operand_with_high)
1610 (tls_reloc_operand): New predicates.
1611 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1612 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1613 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1614 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1615 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1616 (*tls_get_tp_mips16_call_<mode>): Likewise.
1618 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1620 PR rtl-optimization/51821
1621 * recog.c (peep2_find_free_register): Determine clobbered registers
1624 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1627 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1628 * config/avr/avr.c: Likewise.
1629 * config/avr/avr.h: Likewise.
1631 2012-01-13 Ian Lance Taylor <iant@google.com>
1634 * tree.h (TYPE_QUALS): Add cast to int.
1635 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1637 2012-01-13 Ian Lance Taylor <iant@google.com>
1639 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1640 comparing param_index to VEC_length result.
1642 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1644 * c-decl.c: Do not include tree-mudflap.h
1645 * tree-optimize.c: Likewise.
1646 * Makefile.in: Update dependencies.
1648 2012-01-13 Richard Guenther <rguenther@suse.de>
1651 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1652 variable-sized result always use RSO.
1654 2012-01-12 DJ Delorie <dj@redhat.com>
1656 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1657 pointer type, not just the default pointer type.
1659 2012-01-09 Richard Henderson <rth@redhat.com>
1660 Denis Chertykov <chertykov@gmail.com>
1663 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1664 * config/avr/avr.c (avr_can_eliminate): Simplify.
1665 (avr_initial_elimination_offset): Likewise.
1666 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1667 (expand_epilogue): Likewise.
1668 (avr_legitimize_address): Gut.
1669 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1670 (avr_hard_regno_nregs): New.
1671 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1672 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1673 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1674 add soft frame pointer.
1675 (CALL_USED_REGISTERS): Likewise.
1676 (REG_CLASS_CONTENTS): Likewise.
1677 (REGISTER_NAMES): Likewise.
1678 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1679 (HARD_FRAME_POINTER_REGNUM): New.
1680 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1681 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1682 remove the HARD_FRAME_POINTER self-elimination.
1684 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1687 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1688 DECL_EXTERNAL when checking for initializers of progmem variables.
1690 2012-01-12 Ira Rosen <irar@il.ibm.com>
1692 PR tree-optimization/51799
1693 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1694 that the last operation is a type demotion.
1696 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1698 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1699 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1701 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1704 * combine.c (distribute_notes): If i3 is a noreturn call,
1705 allow old_size to be equal to args_size and make sure the
1706 noreturn call gets REG_ARGS_SIZE note.
1707 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1708 on noreturn calls even when the delta is 0.
1710 2012-01-11 Nathan Sidwell <nathan@acm.org>
1712 * gcov.c (STRING_SIZE): Remove.
1713 (generate_results): Erase annotations for source files with no
1714 coverage information.
1716 (output_lines): Use it.
1718 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1720 * gimple.h (gimplify_body): Remove first argument.
1721 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1722 pointer set here, instead just pass DATA to walk_tree.
1723 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1724 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1725 (unvisit_body): Likewise, but with unmark_visited.
1726 (gimplify_body): Remove BODY_P argument and adjust.
1727 (gimplify_function_tree): Adjust call to gimplify_body.
1728 * omp-low.c (finalize_task_copyfn): Likewise.
1730 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1732 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1733 (build_function_type_skip_args): Delete.
1734 * tree.c (build_function_type_skip_args): Make static and add
1735 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1736 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1737 pass it to build_function_type_skip_args.
1738 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1739 (tree_function_versioning): Likewise.
1740 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1741 build_function_decl_skip_args.
1742 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1743 and pass it to build_function_decl_skip_args/tree_function_versioning.
1744 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1745 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1746 * trans-mem.c (ipa_tm_create_version): Likewise.
1747 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1748 * tree-inline.c (declare_return_variable): Remove always-true test.
1749 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1750 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1751 * ipa-split.c (split_function): Skip the return value for the split
1752 part if it doesn't return.
1754 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1756 PR tree-optimization/49642
1757 * ipa-split.c (forbidden_dominators): New variable.
1758 (check_forbidden_calls): New function.
1759 (dominated_by_forbidden): Likewise.
1760 (consider_split): Check for forbidden dominators.
1761 (execute_split_functions): Initialize and free forbidden
1762 dominators info; call check_forbidden_calls.
1764 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1766 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1768 2012-01-11 Nick Clifton <nickc@redhat.com>
1770 * config/rx/rx.md (return): Define pattern.
1772 2012-01-11 Richard Guenther <rguenther@suse.de>
1774 * doc/extend.texi (malloc attribute): Adjust according to
1777 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
1778 Patrick Marlier <patrick.marlier@gmail.com>
1781 * trans-mem.c (get_cg_data): Traverse aliases if requested.
1782 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1783 (ipa_tm_note_irrevocable): Same.
1784 (ipa_tm_scan_irr_block): Same.
1785 (ipa_tm_decrement_clone_counts): Same.
1786 (ipa_tm_scan_irr_function): Same.
1787 (ipa_tm_create_version_alias): Same.
1788 (ipa_tm_create_version): Same.
1789 (ipa_tm_transform_calls_redirect): Same.
1790 (ipa_tm_transform_calls): Same.
1791 (ipa_tm_transform_transaction): Same.
1792 (ipa_tm_execute): Same.
1794 2012-01-10 Richard Guenther <rguenther@suse.de>
1797 * opts.c (common_handle_option): Handle -Werror.
1799 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
1801 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1804 2012-01-10 Jason Merrill <jason@redhat.com>
1806 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1809 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1811 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1812 supports R_386_TLS_GD_PLT reloc.
1813 (gcc_cv_as_ix86_tlsldmplt): Check if linker
1814 supports R_386_TLS_LDM_PLT reloc.
1815 * configure: Regenerate.
1816 * config.in: Regenerate.
1818 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
1821 Extend __pgmx semantics to linearize memory.
1822 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1823 determine if code comes inline or from libgcc.
1824 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1825 (movmem_qi, movmem_qi): Set constraint #2 to "n".
1826 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1827 (movmemx_qi, movmemx_hi): New insns.
1828 (xload_<mode>_libgcc): Rewrite to new insn condition.
1829 (xload_<mode>): Remove insns.
1830 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1831 cases that don't satisfy avr_xload_libgcc_p().
1832 (avr_addr_space_convert): Allow converting in any direction.
1833 (avr_addr_space_subset_p): Return always true.
1834 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1835 (avr_emit_movmemhi): Ditto.
1836 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1837 (avr_out_movmem): Ditto.
1838 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1839 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1840 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1841 (avr_encode_section_info): Encode 'progmem' in symbol flags.
1842 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1844 2012-01-10 Richard Guenther <rguenther@suse.de>
1846 PR tree-optimization/50913
1847 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1848 Require data-refs to be representable by Graphite with respect
1851 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
1853 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1854 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1856 2012-01-10 Tom de Vries <tom@codesourcery.com>
1858 PR rtl-optimization/51271
1859 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1860 handling annulled branch.
1862 2012-01-10 Richard Henderson <rth@redhat.com>
1864 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1865 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1866 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1867 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1868 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1869 arm_expand_vec_perm_const): New.
1870 * config/arm/arm-protos.h: Update.
1871 * config/arm/neon.md (UNSPEC_VCONCAT): New.
1872 (*neon_vswp<VDQX>): New.
1873 (neon_vcombine<VDX>): Use neon_split_vcombine.
1874 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1875 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1876 (vec_perm<VE>): New.
1878 2012-01-10 Richard Henderson <rth@redhat.com>
1880 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1881 use it if reload_completed.
1882 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1883 arm_output_asm_insn, arm_process_output_memory_barrier,
1884 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1885 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1886 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1887 arm_process_output_sync_insn, arm_output_sync_insn,
1888 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1889 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1890 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1891 (emit_unlikely_jump): New.
1892 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1893 (arm_split_atomic_op): New.
1894 * config/arm/arm-protos.h: Update.
1895 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1896 (struct arm_sync_generator): Remove.
1897 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1898 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1899 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1900 (VUNSPEC_LL, VUNSPEC_SC): New.
1901 (sync_result, sync_memory, sync_required_value, sync_new_value,
1902 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1903 (attr length): Don't use arm_sync_loop_insns.
1904 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1905 (movsfcc, movdfcc): Likewise.
1906 * config/arm/constraints.md (Ua): New.
1907 * config/arm/prediates.md (mem_noofs_operand): New.
1908 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1909 (sync_clobber, sync_t2_reqd): Remove.
1910 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1911 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1912 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1913 (arm_sync_compare_and_swap<SIDI>): Remove.
1914 (arm_sync_compare_and_swap<NARROW>): Remove.
1915 (arm_sync_lock_test_and_set<SIDI>): Remove.
1916 (arm_sync_lock_test_and_set<NARROW>): Remove.
1917 (arm_sync_new_<syncop><SIDI>): Remove.
1918 (arm_sync_new_<syncop><NARROW>): Remove.
1919 (arm_sync_new_nand<SIDI>): Remove.
1920 (arm_sync_new_nand<NARROW>): Remove.
1921 (arm_sync_old_<syncop><SIDI>): Remove.
1922 (arm_sync_old_<syncop><NARROW>): Remove.
1923 (arm_sync_old_nand<SIDI>): Remove.
1924 (arm_sync_old_nand<NARROW>): Remove.
1925 (*memory_barrier): Merge arm_output_memory_barrier.
1926 (atomic_compare_and_swap<QHSD>): New.
1927 (atomic_compare_and_swap<NARROW>_1): New.
1928 (atomic_compare_and_swap<SIDI>_1): New.
1929 (atomic_exchange<QHSD>): New.
1930 (cas_cmp_operand, cas_cmp_str): New.
1931 (atomic_op_operand, atomic_op_str): New.
1932 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1933 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1934 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1935 (arm_load_exclusive<NARROW>): New.
1936 (arm_load_exclusivesi, arm_load_exclusivedi): New.
1937 (arm_store_exclusive<QHSD>): New.
1939 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1941 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1942 reload patterns if -mvsx-scalar-memory.
1944 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1945 generated, even -mno-vsx-scalar-double was used.
1946 (vsx_xscvdpsp_scalar): Likewise.
1947 (vsx_xscvspdp_scalar2): Likewise.
1949 2012-01-09 Tom de Vries <tom@codesourcery.com>
1950 Andrew Pinski <apinski@cavium.com>
1953 * reorg.c (fill_slots_from_thread): Don't speculate
1954 frame-related insns.
1956 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
1958 * sched-int.h (bb_note): Move to...
1959 * basic-block.h: ...here.
1960 * haifa-sched.c (bb_note): Move to...
1961 * cfgrtl.c: ...here.
1962 * function.c (next_block_for_reg): New function.
1963 (move_insn_for_shrink_wrap): Likewise.
1964 (prepare_shrink_wrap): Rewrite to use the above.
1966 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
1968 * gimple.c (is_gimple_non_addressable): Remove.
1969 * gimple.h: Remove is_gimple_non_addressable.
1970 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1971 is_gimple_non_addressable.
1972 * trans-mem.c (expand_assign_tm): Same.
1974 2012-01-09 Richard Guenther <rguenther@suse.de>
1976 PR tree-optimization/51775
1977 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1978 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1980 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1982 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1984 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1986 2012-01-09 Richard Guenther <rguenther@suse.de>
1988 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1990 2012-01-08 Jan Hubicka <jh@suse.cz>
1992 PR tree-optimize/51680
1993 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1994 on when known_vals needs to be computed; cleanup.
1996 2012-01-08 Jan Hubicka <jh@suse.cz>
1998 PR tree-optimize/51694
1999 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2001 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
2003 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2004 for -std=c++98 and -std=c++11 too.
2006 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
2008 * cfgloop.c (cancel_loop): Add free() of bbs array.
2010 2012-01-07 Jan Hubicka <jh@suse.cz>
2012 PR tree-optimization/51600
2013 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2014 that benefits small functions.
2016 2012-01-07 Jan Hubicka <jh@suse.cz>
2018 * ipa-inline.c (want_inline_small_function_p): Fix formating.
2020 2012-01-07 Jan Hubicka <jh@suse.cz>
2022 PR tree-optimization/51680
2023 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2024 whose inlining reduce unit size.
2026 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
2029 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2030 Add canonical node to containing_mem chain after the non-canonical
2031 one, even if there weren't any locs to propagate.
2032 (remove_useless_values): Keep only canonical values.
2033 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2034 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
2035 canonicalize mem_chain elements that are not discarded.
2037 2012-01-06 Jakub Jelinek <jakub@redhat.com>
2040 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2041 before emitting functions.
2043 PR gcov-profile/50127
2044 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2045 clear_aux_for_blocks.
2047 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
2050 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2052 2012-01-06 Arnaud Charlet <charlet@adacore.com>
2054 * c-decl.c (ext_block): Moved up.
2055 (collect_all_refs, for_each_global_decl): Take ext_block into account.
2057 2012-01-06 Han Shen <shenhan@google.com>
2059 Translate built-in include paths for sysroot.
2060 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2061 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2063 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2064 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2066 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2067 control whether sysroot should be prepended to gxx include dir.
2069 * configure: Regenerate.
2071 2012-01-06 Torvald Riegel <triegel@redhat.com>
2073 PR rtl-optimization/51771
2074 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2075 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2077 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2079 PR tree-optimization/51315
2080 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2081 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2083 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
2086 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2087 for shrp pattern. Correctly handle and fixup shift variable.
2088 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2090 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2093 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2094 note when !ACCUMULATE_OUTGOING_ARGS.
2096 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2098 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2100 (extract_range_from_unary_expr_1): Avoid useless computations.
2102 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2104 PR rtl-optimization/51767
2105 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2106 of jump_block and add an extra edge for degenerated asm gotos.
2109 * stmt.c (check_unique_operand_names): Don't ICE during error
2110 reporting if i is from labels chain.
2113 * profile.c (branch_prob): Split bbs that have exit edge
2114 and need a fake entry edge too.
2116 2012-01-05 Jan Hubicka <jh@suse.cz>
2119 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2122 2012-01-05 Richard Guenther <rguenther@suse.de>
2125 * tree-streamer-out.c (write_ts_optimization): New function.
2126 (streamer_write_tree_body): Call it.
2127 * tree-streamer-in.c (lto_input_ts_optimization): New function.
2128 (streamer_read_tree_body): Call it.
2129 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2131 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2134 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2135 * gimplify.c (gimplify_cleanup_point_expr): Save and set
2136 in_cleanup_point_expr before gimplify_stmt call and restore it
2138 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2139 in_cleanup_point_expr is false.
2141 2012-01-05 Richard Guenther <rguenther@suse.de>
2144 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2146 * toplev.c (process_options): Reject combining mudflap and LTO.
2147 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2149 2012-01-05 Richard Guenther <rguenther@suse.de>
2151 PR tree-optimization/51760
2152 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2154 (bit_value_unop): Handle UNDEFINED operands.
2155 (bit_value_binop): Likewise.
2157 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
2159 * config/avr/avr.c (avr_replace_prefix): Remove.
2160 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2161 (avr_asm_function_rodata_section): Ditto.
2162 (avr_asm_select_section): Ditto.
2164 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
2166 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2169 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2172 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2173 calls that have any non-fake successor edges.
2176 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2178 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
2180 PR tree-optimization/51624
2181 * tree-sra.c (build_ref_for_model): When replicating a chain of
2182 COMPONENT_REFs, stop as soon as the offset would become negative.
2184 2012-01-04 Jakub Jelinek <jakub@redhat.com>
2187 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2188 in .debug_loc on the floor.
2190 2012-01-04 Andrew Pinski <apinski@cavium.com>
2192 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2194 2012-01-04 Andrew Pinski <apinski@cavium.com>
2195 Adam Nemet <anemet@caviumnetworks.com>
2197 * config/mips/mips.md (size): Add SI and DI.
2198 (SIZE): New mode attribute.
2199 (U): New code attribute.
2200 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2201 (mips_lbux_<mode>): Delete.
2202 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2203 (mips_lhx): Use gen_mips_lhx_extsi.
2204 (mips_lhx_<mode>): Delete.
2206 (mips_l<size>x): New expand.
2207 (mips_lwx_<mode>): Delete.
2208 (mips_l<GPR:size>x_<P:mode>): New pattern.
2209 (*mips_lw<u>x_<P:mode>_ext): Likewise.
2210 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2211 * config/mips/mips.c (mips_lx_address_p): New function.
2212 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2213 (dsp64): New availability predicate.
2214 (mips_builtins): Add an entry for __builtin_mips_ldx.
2215 * config/mips/mips.h (ISA_HAS_LBX): New define.
2216 (ISA_HAS_LBUX): Likewise.
2217 (ISA_HAS_LHX): Likewise.
2218 (ISA_HAS_LHUX): Likewise.
2219 (ISA_HAS_LWX): Likewise.
2220 (ISA_HAS_LWUX): Likewise.
2221 (ISA_HAS_LDX): Likewise.
2222 * doc/extend.texi (__builtin_mips_ldx): Document.
2224 2012-01-04 Tristan Gingold <gingold@adacore.com>
2226 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2227 when long pointers are used.
2228 * config.build (*-*-*vms*): Handle all OpenVMS targets.
2229 (alpha64-dec-*vms*, alpha*-dec-*vms*)
2230 (ia64-hp-*vms*): Remove.
2231 * config/vms/xm-vms64.h: Delete.
2233 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2236 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2238 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2240 * opts.c (finish_options): Remove duplicate sorry.
2242 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2245 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2248 2012-01-04 Richard Guenther <rguenther@suse.de>
2251 * tree.c (size_low_cst): New function.
2252 * tree.h (size_low_cst): Declare.
2253 * fold-const.c (fold_comparison): Use it to extract the low
2254 part of the POINTER_PLUS_EXPR offset.
2256 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
2258 Fix clearing ZERO_REG
2259 * config/avr/avr.md (cc): Add alternative "ldi".
2260 (movqi_insn): Use it in cc attribute.
2261 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2262 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2263 (output_reload_insisf): Use ZERO_REG to pre-clear register.
2265 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2267 * configure: Regenerate.
2269 2012-01-04 Richard Guenther <rguenther@suse.de>
2271 PR tree-optimization/49651
2272 * tree-ssa-structalias.c (type_can_have_subvars): New function.
2273 (var_can_have_subvars): Use it.
2274 (get_constraint_for_1): Only consider subfields if there can be any.
2276 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2279 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2280 to its new canonical_cselib_val and the cselib_val was in
2281 first_containing_mem chain, but the canonical_cselib_val was not,
2282 add the latter into the chain.
2283 (cselib_invalidate_mem): Compare canonical_cselib_val of
2284 addr_list chain elt with v.
2287 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2288 dwarf2out_undef): Allocate e.info using ggc_strdup instead
2290 (output_macinfo_op): Don't ggc_strdup fd->filename.
2291 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2292 then ggc_strdup it. Don't free inc->info or cur->info.
2293 (output_macinfo): Don't free ref->info or file->info.
2295 2012-01-03 Ira Rosen <irar@il.ibm.com>
2297 PR tree-optimization/51269
2298 * tree-vect-loop-manip.c (set_prologue_iterations): Make
2299 first_niters a pointer.
2300 (slpeel_tree_peel_loop_to_edge): Likewise.
2301 (vect_do_peeling_for_loop_bound): Update call to
2302 slpeel_tree_peel_loop_to_edge.
2303 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2304 here. Remove it from the parameters list.
2305 (vect_do_peeling_for_alignment): Update calls and compute
2308 2012-01-03 Richard Guenther <rguenther@suse.de>
2310 PR tree-optimization/51070
2311 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2312 Properly handle calls.
2314 2012-01-03 Richard Guenther <rguenther@suse.de>
2316 PR tree-optimization/51692
2317 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2318 the LHS of allocation stmts.
2320 2012-01-03 Olivier Hainque <hainque@adacore.com>
2322 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2324 2012-01-03 Olivier Hainque <hainque@adacore.com>
2326 * collect2.c (main): In AIX specific computations for vector
2327 insertions, use CONST_CAST2 to cast from char ** to const char **.
2329 2012-01-03 Richard Guenther <rguenther@suse.de>
2332 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2333 the context of a limbo DIE when it does not already exist.
2335 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2337 PR tree-optimization/51719
2338 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2339 but direct call is, clear direct call's lhs and don't add fallthrough
2340 edge from dcall_bb to join_bb and PHIs.
2342 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2344 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2345 the instructions emitted by the pattern.
2346 ("*TDC_insn_<mode>"): Add comment.
2348 2012-01-03 Richard Guenther <rguenther@suse.de>
2351 * fold-const.c (fold_comparison): Properly canonicalize
2352 tree offset and HOST_WIDE_INT bit position.
2354 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2356 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2357 operands for extzv pattern.
2359 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2362 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2365 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2367 * doc/invoke.texi (-flto and related options): Copy-edit.
2369 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2371 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2373 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2375 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2378 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2380 * expr.h (move_by_pieces_ninsns): Declare.
2381 * expr.c (move_by_pieces_ninsns): Make external.
2382 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2383 (mips_store_by_pieces_p): Likewise.
2384 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2385 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2386 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2387 (mips_store_by_pieces_p): Likewise.
2389 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2391 * passes.c (register_one_dump_file): Free full_name.
2393 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2394 (calculate_elim_costs_all_insns): Free offsets_at and
2395 offsets_known_at at the end and clear the pointers.
2397 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2399 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2400 this option introduced in r180739.
2402 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2405 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2406 (tmake_file target=avr): Add avr/t-multilib.
2408 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2409 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2410 * config/avr/genmultilib.awk: New file.
2411 * config/avr/t-multilib: New auto-generated file.
2412 * config/avr/multilib.h: New auto-generated file.
2413 * config/avr/t-avr (AVR_MCUS): New variable.
2414 (genopt.sh): Use it.
2415 (s-mlib): Depend on t-multilib.
2416 (t-multilib, multilib.h): New dependencies.
2417 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2418 (MULTILIB_OPTIONS): Remove.
2419 (MULTILIB_MATCHES): Remove.
2420 (MULTILIB_DIRNAMES): Remove.
2421 (MULTILIB_EXCEPTIONS): Remove:
2422 * config/avr/genopt.sh: Don't use hard coded file name;
2423 pass AVR_MCUS from t-avr instead.
2425 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2427 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2429 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2431 Implement light-weight DImode support.
2432 * config/avr/avr-dimode.md: New file.
2433 * config/avr/avr.md: Include it.
2434 (adjust_len): Add plus64, compare64.
2435 (HIDI): Remove code iterator.
2436 (code_stdname): New code attribute.
2437 (rotx, rotsmode): Remove DI.
2438 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2440 * config/avr/avr-protos.h (avr_have_dimode): New.
2441 (avr_out_plus64, avr_out_compare64): New.
2442 * config/avr/avr.c (avr_out_compare): Handle DImode.
2443 (avr_have_dimode): New variable definition and initialization.
2444 (avr_out_compare64, avr_out_plus64): New functions.
2445 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2446 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2447 (avr_compare_pattern): Skip DImode comparisons.
2449 2012-01-02 Revital Eres <revital.eres@linaro.org>
2451 * ddg.c (def_has_ccmode_p): New function.
2452 (add_cross_iteration_register_deps,
2453 create_ddg_dep_from_intra_loop_link): Call it.
2455 2012-01-02 Richard Guenther <rguenther@suse.de>
2458 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2460 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2462 * gcc.c (process_command): Update copyright notice dates.
2463 * gcov.c (print_version): Likewise.
2464 * gcov-dump.c (print_version): Likewise.
2465 * mips-tfile.c (main): Likewise.
2466 * mips-tdump.c (main): Likewise.
2468 2012-01-01 Ira Rosen <irar@il.ibm.com>
2470 PR tree-optimization/51704
2471 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2472 a use is inside the basic block or loop before accessing its vect info.
2474 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2476 PR rtl-optimization/51069
2477 * cfgloopmanip.c (remove_path): Removing path making irreducible
2478 region unconditional makes BB part of the region.
2480 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2482 PR tree-optimization/51683
2483 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2484 calls with side-effects.
2485 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2487 Copyright (C) 2012 Free Software Foundation, Inc.
2489 Copying and distribution of this file, with or without modification,
2490 are permitted in any medium without royalty provided the copyright
2491 notice and this notice are preserved.
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