1 2012-02-13 Jakub Jelinek <jakub@redhat.com>
3 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
6 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is
10 * omp-low.c (expand_omp_for): If a static schedule without
11 chunk size has NULL region->cont, force fd.chunk_size to be
14 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
17 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
19 2012-02-13 Richard Guenther <rguenther@suse.de>
22 * passes.c (enable_disable_pass): Fix typo.
24 2012-02-13 Jakub Jelinek <jakub@redhat.com>
27 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
28 XOR for reduce_bit_field if type is unsigned.
30 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
32 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
33 disallow changes from SFmode to mode with different size in FP regs.
35 2012-02-12 Robert Millan <rmh@gnu.org>
36 Gerald Pfeifer <gerald@pfeifer.com>
38 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
41 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
43 PR rtl-optimization/52175
44 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
45 to frame-related instructions.
47 2012-02-10 Jason Merrill <jason@redhat.com>
50 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
51 (demangle_new_symbols): Fill it.
52 (scan_linker_output): Walk it.
53 (start_tweaking): Split out from scan_linker_output.
54 (maybe_tweak): Update sym->chosen.
55 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
57 2012-02-11 Jakub Jelinek <jakub@redhat.com>
60 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use
63 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
65 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
66 having the same mode as previous compare.
68 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
70 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
71 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
72 (nonlocal_goto_internal): Likewise.
73 (nonlocal_goto): Emit a use and an indirect jump directly.
75 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
78 * doc/extend.texi : Update comments for __atomic_compare_exchange and
79 __atomic_{is,always}_lock_free.
81 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
84 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
85 negative constant address for x32.
87 2012-02-10 Richard Henderson <rth@redhat.com>
89 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
90 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
91 for GIMPLE_TRANSACTION. Tidy if's into a switch.
93 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
94 Ira Rosen <irar@il.ibm.com>
96 PR tree-optimization/50031
97 * targhooks.c (default_builtin_vectorization_cost): Handle
99 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
100 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
101 all types of reduction and pattern statements.
102 (vect_estimate_min_profitable_iters): Likewise.
103 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
104 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
105 for explicit realigns.
106 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
107 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
109 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
110 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
111 vec_perm for VSX and handle vec_promote_demote.
113 2012-02-10 Jakub Jelinek <jakub@redhat.com>
116 * builtins.c (fold_builtin_atomic_always_lock_free,
117 expand_builtin_atomic_always_lock_free,
118 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
119 Return and/or test boolean_true_node/boolean_false_node instead of
120 integer_one_node/integer_zero_node.
122 2012-02-10 Jan Hubicka <jh@suse.cz>
125 * predict.c (predict_paths_for_bb): Prevent looping.
126 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
128 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
130 * config/arm/arm.c (output_move_double): In one case properly
131 count number of instructions that will be emitted.
133 2012-02-10 Richard Guenther <rguenther@suse.de>
136 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
138 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
141 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
143 2012-02-09 Jakub Jelinek <jakub@redhat.com>
146 * var-tracking.c (emit_note_insn_var_location): If
147 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
148 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
149 non-NOTE_DURING_CALL_P insn.
151 2012-02-09 Bin Cheng <bin.cheng@arm.com>
154 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
156 2012-02-08 Magnus Granberg <zorry@gentoo.org>
159 * gcc.c (switch_matches) Support switches with separated form,
162 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
164 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
167 * config/avr/avr.c (avr_addr_t): New typedef.
168 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
169 (avr_init_expanders): Initialize it.
170 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
172 (expand_epilogue): Ditto.
173 (avr_print_operand): Ditto.
174 (avr_file_start): Ditto.
175 (avr_emit_movmemhi): Ditto.
177 2012-02-08 Richard Guenther <rguenther@suse.de>
179 PR tree-optimization/46886
180 * tree-flow.h (do_while_loop_p): Declare.
181 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
182 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
184 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
186 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
187 always succeed for integers larger than a native word.
189 2012-02-08 Richard Guenther <rguenther@suse.de>
191 PR rtl-optimization/52170
192 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
193 properly handle integer vector modes.
195 2012-02-08 Jakub Jelinek <jakub@redhat.com>
197 PR gcov-profile/52150
198 * coverage.c: Include target.h.
199 (build_var): Call targetm.strip_name_encoding on the assembler name.
200 Change one _ into . or $ if the target allows it.
201 * Makefile.in (coverage.o): Depend on $(TARGET_H).
203 PR rtl-optimization/52139
204 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
205 is a BARRIER after emit_insn_after_noloc, move BB_END
206 to the last non-BARRIER insn before it.
208 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
211 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
212 (mips_gimplify_va_arg_expr): Call it instead of
213 std_gimplify_va_arg_expr.
215 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
217 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
218 message for -mno-pointers-to-nested-function.
220 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
223 * expr.c (get_inner_reference): If there is an offset, add a negative
224 bit position to it (if any).
226 2012-02-07 Jakub Jelinek <jakub@redhat.com>
228 PR rtl-optimization/52060
229 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
230 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
231 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
232 and/or i0src_copy2 when needed.
234 2012-02-07 Jakub Jelinek <jakub@redhat.com>
236 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
237 or LTOPLUGINSONAME if have_c.
239 * config/freebsd-spec.h: Add comment about what macros can be defined
241 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
242 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
245 2012-02-07 Richard Guenther <rguenther@suse.de>
247 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
248 newline in -alias dumps.
250 2012-02-07 Kai Tietz <ktietz@redhat.com>
251 Dave Korn <dave.korn.cygwin@gmail.com>
254 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
255 Take care that typinfo gets dllexport-attribute.
257 2012-02-07 Jakub Jelinek <jakub@redhat.com>
260 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
261 if modifier < EXPAND_SUM call force_operand on the result.
263 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
265 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
266 adding __forwarder_dst__ prefix if a forwarder_section attribute is
268 (epiphany_function_type): Replace types for specific interrupts with
269 EPIPHANY_FUNCTION_INTERRUPT.
270 (EPIPHANY_INTERRUPT_P): Update.
271 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
273 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
274 <disinterrupt>: Affects type identity.
275 (epiphany_handle_interrupt_attribute): Handle variable number of
277 (epiphany_compute_function_type): Update for new
278 epiphany_function_type definition.
279 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
280 handlers with a longcall forwarder.
281 (epiphany_start_function): Handle multiple interrupt arguments and/or
282 forwarder_section attribute.
284 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
287 2012-02-07 Alan Modra <amodra@gmail.com>
290 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
293 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
295 PR tree-optimization/50969
296 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
297 use vec_perm rather than vector_stmt.
298 (vect_model_load_cost): Likewise.
299 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
300 vec_perm to be the same as other vector statements.
301 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
302 cost of vec_perm for TARGET_VSX.
304 2012-02-06 Richard Guenther <rguenther@suse.de>
306 PR tree-optimization/52115
307 * tree-sra.c (access_has_replacements_p): New function.
308 (sra_modify_assign): Use it to decide whether a use is uninitialized.
310 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
313 * trans-mem.c (expand_call_tm): Add an assertion.
314 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
317 2012-02-06 Richard Guenther <rguenther@suse.de>
319 PR tree-optimization/50955
320 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
321 raise cost of expressions that replace an address with an
322 expression based on a different pointer.
324 2012-02-06 Jakub Jelinek <jakub@redhat.com>
327 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
328 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
330 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
333 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
334 -Weffc++ and specify guidelines come from second edition.
336 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
338 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
339 (sibcall_value_multiple_internal, call_split, call_internal_direct)
340 (call_direct_split, call_value_split, call_value_internal_direct)
341 (call_value_direct_split, call_value_multiple_split): Use jal and
342 jal_macro attributes.
344 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
346 * reload1.c (reload_regs_reach_end_p): Replace with...
347 (reload_reg_rtx_reaches_end_p): ...this function.
348 (new_spill_reg_store): Update commentary.
349 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
350 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
351 before setting new_spill_reg_store.
352 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
353 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
354 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
355 for non-spill reload registers.
357 2012-02-05 Ira Rosen <irar@il.ibm.com>
359 PR tree-optimization/52091
360 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
361 (vect_is_simple_use_1): Likewise.
362 * tree-vect-loop.c (vectorizable_reduction): Update calls
363 to vect_is_simple_use_1 and vect_is_simple_use.
364 (vectorizable_live_operation): Likewise.
365 * tree-vect-patterns.c (widened_name_p,
366 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
367 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
368 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
369 vectorizable_shift,vectorizable_operation, vectorizable_store,
370 vectorizable_load): Likewise.
371 (vect_is_simple_cond): Add an argument, pass it to
372 vect_is_simple_use_1.
373 (vectorizable_condition): Update calls to vect_is_simple_cond,
375 (vect_is_simple_use): Add an argument, the statement in which
376 OPERAND is used. Check that if OPERAND's def stmt is a double
377 reduction phi node, the use is a phi node too.
378 (vect_is_simple_use_1): Add an argument, pass it to
380 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
381 to vect_is_simple_use.
383 2012-02-04 Jakub Jelinek <jakub@redhat.com>
385 PR rtl-optimization/52095
386 * modulo-sched.c (dump_insn_locator): New function.
387 (loop_canon_p, sms_schedule): Use it.
389 PR rtl-optimization/52113
390 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
391 even for decomposable shift/zext insns.
393 2012-02-03 Jakub Jelinek <jakub@redhat.com>
394 Zdenek Dvorak <ook@ucw.cz>
396 PR rtl-optimization/52092
397 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
398 on get_iv_value result.
400 2012-02-02 Andrew Pinski <apinski@cavium.com>
404 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
406 2012-02-02 Jakub Jelinek <jakub@redhat.com>
409 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
411 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
413 PR rtl-optimization/49800
414 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
415 (sched_finish): Call regstat_free_n_sets_and_refs.
417 2012-02-02 Jia Liu <proljc@gmail.com>
419 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
422 2012-02-02 Jan Hubicka <jh@suse.cz>
423 Tom de Vries <tom@codesourcery.com>
426 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
427 * varpool.c (varpool_analyze_pending_decls): Likewise.
429 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
430 Jayant R Sonar <jayant.sonar@kpitcummins.com>
432 * config.gcc: Add cr16-* support.
434 * doc/extend.texi: Document cr16 extensions.
435 * doc/install.texi: Document cr16 install.
436 * doc/invoke.texi: Document cr16 options.
437 * doc/md.texi: Document cr16 constraints.
439 * common/config/cr16/cr16-common.c: New file.
440 * config/cr16/cr16.c: New file.
441 * config/cr16/cr16.h: New file.
442 * config/cr16/cr16.md: New file.
443 * config/cr16/cr16.opt: New file.
444 * config/cr16/cr16-protos.h: New file.
445 * config/cr16/predicates.md: New file.
446 * config/cr16/constraints.md: New file.
447 * config/cr16/t-cr16: New file.
449 2012-02-02 Jakub Jelinek <jakub@redhat.com>
452 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
453 that operands[2] is either immediate, or q_regs_operand.
455 PR tree-optimization/52073
456 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
457 a pattern stmt for pattern uses, ignore uses outside of the loop.
459 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
461 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
462 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
463 (OUT_AS1, OUT_AS2): Remove.
465 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
467 PR rtl-optimization/51374
468 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
469 to cross other volatile_refs_p insns.
471 2012-02-01 Richard Guenther <rguenther@suse.de>
473 * doc/invoke.texi (fno-inline): Clarify documentation.
474 (finline-small-functions): Likewise.
475 (finline-functions): Likewise.
476 * common.opt (finline): Adjust comment and documentation.
477 (finline-small-functions): Clarify documentation.
478 (finline-functions): Likewise.
479 (finline-functions-called-once): Likewise.
481 2012-02-01 Tristan Gingold <gingold@adacore.com>
483 * c-typeck.c (composite_type): Keep mode for pointers.
485 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
487 * function.h (regno_reg_rtx): Adjust comment.
488 * reginfo.c (init_reg_modes_target): Only use the previous mode
489 if it fits within one register. Remove MIPS comment.
491 2012-01-31 Jakub Jelinek <jakub@redhat.com>
494 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
496 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
498 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
501 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
503 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
505 2012-01-31 Jakub Jelinek <jakub@redhat.com>
510 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
512 2012-01-31 Richard Guenther <rguenther@suse.de>
514 PR tree-optimization/51528
515 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
518 2012-01-31 Jakub Jelinek <jakub@redhat.com>
523 * ree.c (add_removable_extension): Change def_map argument
524 to unsigned *, store in def_map 1 + offset into *insn_list vector
525 instead of pointers into the vector.
526 (find_removable_extensions): Adjust caller.
528 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
530 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
531 Transform all "* quoted-c-code" to { c-code }.
532 Remove redundant test for "optimize" in combine patterns.
533 Move (include "avr-dimode.md") to end of file.
535 2012-01-30 Bin Cheng <bin.cheng@arm.com>
538 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
539 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
541 2012-01-30 Richard Guenther <rguenther@suse.de>
543 PR tree-optimization/52028
544 * tree-loop-distribution.c (ldist_gen): Properly update
547 2012-01-30 Jakub Jelinek <jakub@redhat.com>
550 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
551 set_cur_line_info_table if not emitting debug info.
553 PR tree-optimization/52046
554 * tree-vect-patterns.c (check_bool_pattern): Give up if
555 a comparison could throw.
558 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
560 2012-01-30 Richard Guenther <rguenther@suse.de>
562 PR tree-optimization/52045
563 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
564 SSA form if cfgcleanup did anything.
566 2012-01-30 Richard Guenther <rguenther@suse.de>
568 PR tree-optimization/52045
569 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
570 before computing final todo.
572 2012-01-30 Richard Guenther <rguenther@suse.de>
574 PR tree-optimization/51528
575 * tree-sra.c (sra_modify_assign): Re-factor in preparation
578 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
580 * df-problems.c (df_kill_notes): Check that the use refers
581 to the note under examination.
583 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
586 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
587 parameter and use short-lived pseudos.
588 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
589 (sparc_expand_vector_init): Const-ify local variables and adjust
590 calls to above functions.
592 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
594 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
596 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
598 * doc/invoke.texi: Make usage of "compile time" and
599 "run time"/"runtime" consistent throughout the file.
601 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
603 * config/alpha/alpha.c (alpha_option_override): Default to
604 full IEEE compliance mode for Go language.
606 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
608 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
609 (LINK_SSP_SPEC): Define.
611 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
614 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
617 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
619 * doc/invoke.texi: Correct hyphenation of "floating point",
620 "double precision", and related terminology throughout the file.
622 2012-01-28 Jakub Jelinek <jakub@redhat.com>
625 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
626 arm_general_register_operand predicate for operand 2 instead of
629 2012-01-27 Ian Lance Taylor <iant@google.com>
632 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
633 * builtins.c (expand_builtin_init_trampoline): Add onstack
634 parameter. Change caller.
635 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
636 * tree.c (build_common_builtin_nodes): Declare
637 __builtin_init_heap_trampoline.
639 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
641 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
642 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
643 * config/avr/avr.c: Ditto.
644 (avr_regnames): Remove because unused.
645 * config/avr/avr.md (*cpse.ne): New peephole.
646 (*cpse.eq): New peephole from former cpse peepholes.
648 2012-01-27 Michael Eager <eager@eagercon.com>
650 * config/microblaze.c (microblaze_emit_compare): Correct
651 test after pcmp instruction.
653 2012-01-27 Richard Guenther <rguenther@suse.de>
655 PR tree-optimization/52020
656 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
658 2012-01-27 Richard Guenther <rguenther@suse.de>
660 * ipa-pure-const.c (check_stmt): Clobbers do not make a
661 function non-const/pure.
663 2012-01-27 Richard Guenther <rguenther@suse.de>
665 PR tree-optimization/50444
666 * tree-sra.c (build_ref_for_offset): Properly adjust the
667 MEM_REF type for unaligned accesses.
669 2012-01-27 Richard Guenther <rguenther@suse.de>
671 PR tree-optimization/50444
672 * expr.c (mem_ref_refers_to_non_mem_p): New function.
673 (expand_assignment): Use it. Properly handle misaligned
674 bases when expanding stores to component references.
675 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
678 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
681 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
682 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
683 * tree-data-ref.c (find_data_references_in_loop): Make static.
684 (compute_all_dependences): Change return type to bool. Bail out
685 for too many datarefs in a loop. Move the hunk resetting the data
686 dependences vector from ...
687 (compute_data_dependences_for_loop): ... here. Account for
688 compute_all_dependences returning false.
689 (compute_data_dependences_for_bb): Likewise.
690 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
691 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
693 2012-01-27 Richard Guenther <rguenther@suse.de>
696 * expr.c (store_field): Use the alias-set of the scratch memory
699 2012-01-27 Tom de Vries <tom@codesourcery.com>
701 PR tree-optimization/51990
702 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
704 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
706 2012-01-27 Jakub Jelinek <jakub@redhat.com>
709 * var-tracking.c (reverse_op): Don't add any reverse operation
710 if V already has any constant locations.
712 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
714 * doc/invoke.texi: Correct usage of "command line" (noun)
715 vs "command-line" (adjective) throughout.
717 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
719 * doc/invoke.texi (Language Independent Options): Move
720 -Wcoverage-mismatch blurb from here....
721 (Warning Options): ...to here.
723 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
725 * config/rs6000/rs6000.c (rs6000_option_override_internal):
726 Set rs6000_always_hint to false for 476.
728 2012-01-27 Matthias Klose <doko@ubuntu.com>
730 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
732 * incpath.c (add_standard_paths): Likewise.
734 2012-01-27 Richard Henderson <rth@redhat.com>
736 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
737 * config/m68k/sync.md (atomic_test_and_set): Rename from
738 sync_test_and_setqi and adjust the operands.
739 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
740 and unconditionally enable.
742 2012-01-27 Richard Henderson <rth@redhat.com>
744 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
745 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
746 (ldstub): Rename from ldstubqi.
747 (ldstub<I24MODE>): Remove.
749 2012-01-27 Richard Henderson <rth@redhat.com>
751 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
752 * c-cppbuiltin.c (cpp_atomic_builtins): Define
753 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
754 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
755 * doc/tm.texi: Rebuild.
757 2012-01-27 Richard Henderson <rth@redhat.com>
759 * optabs.c (gen_atomic_test_and_set): Remove default.
760 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
762 2012-01-26 Jakub Jelinek <jakub@redhat.com>
764 PR rtl-optimization/51978
765 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
766 (combine_reaching_defs): Likewise.
767 (struct re_info): Remove.
768 (add_removable_extension): Remove x and data arguments,
769 add insn, insn_list and def_map. Use the arguments directly
770 instead of using struct re_info.
771 (find_removable_extensions): Don't call add_removable_extension
772 through note_stores, instead just call it with single_set
774 (find_and_remove_re): Pass curr_cand->expr instead of
775 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
777 2012-01-26 Michael Matz <matz@suse.de>
779 PR tree-optimization/46590
780 * cfgexpand.c: Revert last change (r183305).
781 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
783 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
784 checking for emptiness.
786 2012-01-26 Jakub Jelinek <jakub@redhat.com>
789 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
790 non-addressable non-BLKmode base correctly.
792 2012-01-26 Michael Matz <matz@suse.de>
794 PR tree-optimization/48794
795 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
796 regions referenced from RESX/EH_DISPATCH.
798 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
800 * config/s390/s390.h: Make BRANCH_COST an option.
801 * config/s390/s390.opt: New option -mbranch-cost.
803 2012-01-26 Richard Henderson <rth@redhat.com>
805 Revert 2012-01-24 change:
806 * trans-mem.c (requires_barrier): Do not instrument thread local
807 variables and emit save/restore for them.
809 2012-01-25 Jakub Jelinek <jakub@redhat.com>
812 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
815 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
817 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
820 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
823 Rename __pgm to __flash.
824 Rename __pgm1 to __flash1.
825 Rename __pgm2 to __flash2.
826 Rename __pgm3 to __flash3.
827 Rename __pgm4 to __flash4.
828 Rename __pgm5 to __flash5.
829 Rename __pgmx to __memx.
830 * doc/extend.texi (AVR Named Address Spaces)
831 Rename address space names as indicated above.
832 * config/avr/avr.c (avr_addrspace): Ditto.
834 * config/avr/avr-protos.h
835 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
836 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
837 * config/avr/predicates.md: Ditto.
838 * config/avr/avr.c Ditto, and
839 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
840 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
842 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
843 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
844 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
845 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
846 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
847 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
848 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
849 * config/avr/avr.c: Ditto.
850 * config/avr/avr.md: Ditto.
852 2012-01-25 Jason Merrill <jason@redhat.com>
855 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
857 2012-01-25 Jakub Jelinek <jakub@redhat.com>
859 PR tree-optimization/51987
860 * tree-data-ref.c (get_references_in_stmt): Handle references in
861 non-volatile GIMPLE_ASM.
863 2012-01-25 Richard Guenther <rguenther@suse.de>
865 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
866 bases are dereferenced.
868 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
870 PR rtl-optimization/48374
871 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
873 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
875 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
876 compute_data_dependences_for_loop returns false.
877 * tree-parloops.c (loop_parallel_p): Likewise.
879 2012-01-25 Richard Guenther <rguenther@suse.de>
881 * tree.h (get_pointer_alignment_1): Declare.
882 * builtins.c (get_pointer_alignment_1): New function.
883 (get_pointer_alignment): Use it.
885 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
887 PR rtl-optimization/48308
888 * combine.c (enum undo_kind): Add UNDO_LINKS.
889 (struct undo): Add member l to other_contents and where.
890 (do_SUBST_LINK): New.
892 (try_combine): Handle LOG_LINKS for the dummy i1 case.
893 (undo_all): Handle UNDO_LINKS.
895 2012-01-25 Richard Henderson <rth@redhat.com>
897 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
900 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
902 * optabs.c (gen_atomic_test_and_set): Use each argument.
904 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
906 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
907 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
908 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
909 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
910 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
911 TARGET_PAIRED_SINGLE_FLOAT.
913 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
915 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
916 (in_struct, return_val): Remove MEM documentation.
917 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
918 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
919 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
921 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
922 * cfgexpand.c (add_alias_set_conflicts): Likewise.
923 * expr.c (store_field): Likewise.
924 * function.c (assign_stack_temp_for_type): Likewise.
925 * ifcvt.c (noce_try_cmove_arith): Likewise.
926 * reload1.c (reload): Likewise.
927 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
928 (alpha_set_memflags): Likewise.
929 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
931 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
933 * rtl.h (true_dependence, canon_true_dependence): Remove varies
935 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
936 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
937 (true_dependence_1, true_dependence, canon_true_dependence): Remove
939 * cselib.c (cselib_rtx_varies_p): Delete.
940 (cselib_invalidate_mem): Update call to canon_true_dependence.
941 * dse.c (record_store, check_mem_read_rtx): Likewise.
942 (scan_reads_nospill): Likewise.
943 * cse.c (check_dependence): Likewise.
944 (cse_rtx_varies_p): Delete.
945 * expr.c (safe_from_p): Update call to true_dependence.
946 * ira.c (validate_equiv_mem_from_store): Likewise.
947 (memref_referenced_p): Likewise.
948 * postreload-gcse.c (find_mem_conflicts): Likewise.
949 * sched-deps.c (sched_analyze_2): Likewise.
950 * store-motion.c (load_kills_store): Likewise.
951 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
952 * gcse.c (mems_conflict_for_gcse_p): Likewise.
953 (compute_transp): Update call to canon_true_dependence.
955 2012-01-25 Richard Henderson <rth@redhat.com>
957 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
958 (maybe_emit_atomic_test_and_set): New.
959 (expand_sync_lock_test_and_set): Use it.
960 (expand_atomic_test_and_set): Likewise.
961 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
962 the implementation; clarify implementation defined details.
963 * doc/md.texi (atomic_test_and_set): Document.
965 2012-01-25 Richard Henderson <rth@redhat.com>
967 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
969 2012-01-25 Richard Henderson <rth@redhat.com>
972 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
973 to effect no-op split.
975 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
978 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
979 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
980 (BT_FN_VOID_PTR_INT_SIZE): New.
981 (BT_FN_UINT_UINT_VAR): Remove.
982 (BT_FN_UINT32_UINT32_VAR): New.
983 (BT_FN_DOUBLE_VPTR): Remove.
984 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
986 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
987 (_ITM_changeTransactionMode): Same.
988 (_ITM_memmoveRtWt): Change return type to void.
989 (_ITM_memcpyRtWt): Same.
990 (_ITM_memsetW): Same.
991 (_ITM_RaRD): Change types to double.
996 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
998 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
999 Patrick Marlier <patrick.marlier@gmail.com>
1001 * trans-mem.c (requires_barrier): Do not instrument thread local
1002 variables and emit save/restore for them.
1004 2012-01-24 Jason Merrill <jason@redhat.com>
1007 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1008 output static aliases.
1010 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1013 * common.opt (-pie, -shared, pie, shared): Change from Common to
1015 * gcc.c (display_help): Display help for -pie and -shared.
1017 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
1020 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1021 Remove note on size/offset limitation.
1022 (AVR Variable Attributes): Add example how to read data located
1023 with progmem. Refer to named address spaces.
1024 * doc/invoke.texi (AVR Options): Fix typo.
1026 2012-01-24 Richard Guenther <rguenther@suse.de>
1028 Forward-port to trunk
1029 2010-09-21 Jakub Jelinek <jakub@redhat.com>
1032 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1033 op0 isn't sufficiently aligned and there is movmisalignM
1034 insn for mode, use it to load op0 into a temporary register.
1036 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1039 * target.def (const_not_ok_for_debug_p): New hook.
1040 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1042 * doc/tm.texi: Regenerated.
1043 * dwarf2out.c (const_ok_for_output_1): If
1044 targetm.const_not_ok_for_debug_p returns true, fail.
1045 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1047 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1049 2012-01-23 Kai Tietz <ktietz@redhat.com>
1052 * config/i386/predicates.md (symbolic_operand): Allow
1053 UNSPEC_PCREL as PIC expression for lea.
1054 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1055 * config/i386/i386.c (ix86_delegitimize_address): Handle
1056 UNSPEC_PCREL for none-MEM, too.
1058 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1060 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1061 (ipa_tm_create_version_alias): Same.
1063 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
1066 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1067 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1069 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1070 Patrick Marlier <patrick.marlier@gmail.com>
1071 Iain Sandoe <developer@sandoe-acoustics.co.uk>
1074 * lto-wrapper.c (run_gcc): Pass the LTO section name to
1075 simple_object_start_read.
1077 2012-01-23 Richard Guenther <rguenther@suse.de>
1080 PR tree-optimization/51895
1081 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1082 parameter decomposition into BLKmode components.
1084 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
1086 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1087 fake variables for restrict-qualified pointers whose pointed-to type
1088 contains a placeholder.
1090 2012-01-23 Richard Guenther <rguenther@suse.de>
1092 PR tree-optimization/51949
1093 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1095 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1097 PR rtl-optimization/51933
1098 * ree.c (transform_ifelse): Return true right away if dstreg is
1099 already wider or equal to cand->mode.
1100 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1101 (make_defs_and_copies_lists): Remove defs_list and copies_list
1102 arguments, add state argument, just truncate state->work_list
1103 instead of always allocating and freeing the vector. Assert that
1104 get_defs succeeds instead of returning 2. Changed return type to bool.
1105 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
1106 have ext_src_mode, see if it has been modified already with the
1107 right kind of extension and has been extended before from the
1108 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1109 just return true. Remember the original mode in state->modified array.
1110 (combine_reaching_defs): Add state argument. Don't allocate and
1111 free here def_list, copied_list and vec vectors, instead just
1112 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
1113 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1114 Add state variable, clear vectors in it, initialize state.modified
1115 if needed. Free all the vectors at the end and state.modified too.
1116 Don't skip a candidate if the extension expression has been modified.
1118 2012-01-22 Douglas B Rupp <rupp@gnat.com>
1121 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1122 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1123 (extra_options) interix.opt -> i386/interix.opt"
1124 (extra_objs):Add winnt-stubs.o
1125 * configure.ac: Add interix to target_os .comm on PE check.
1126 * configure: Regenerate.
1127 * config/interix3.h: Delete and move bits to..
1128 * config/interix.h: Delete and move bits to..
1129 * config/i386/i386-interix3.h: Delete and move bits to..
1130 * config/i386/i386-interix.h: ..here.
1131 (TARGET_CPU_DEFAULT): Remove redefinition.
1132 (TARGET_ASM_CONSTRUCTOR): Undefine.
1133 (SUBTARGET_SWITCHES): Define for ms-bitfields.
1134 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1135 (PTRDIFF_TYPE): Define.
1136 (LONG_DOUBLE_TYPE_SIZE): Define.
1137 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1138 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1139 (TARGET_SECTION_TYPE_FLAGS): Define.
1140 (ASM_DECLARE_FUNCTION_NAME): Define.
1141 (ASM_OUTPUT_EXTERNAL): Define.
1142 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1143 (ASM_OUTPUT_ALIGNED_BSS): Define.
1144 (PCC_BITFIELD_TYPE_MATTERS): Define.
1145 (USE_CONST_SECTION): Define.
1146 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1147 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1148 (SUPPORTS_ONE_ONLY): Remove.
1149 (I386_PE_STRIP_ENCODING): Define.
1150 * config/interix.opt: Delete and move bits to..
1151 * config/i386/interix.opt: ..here. New.
1152 (mpe-aligned-commons): Add.
1153 * config/i386/t-interix: Add copyright header.
1154 (winnt-stubs.o): Add rule.
1156 2012-01-22 Jason Merrill <jason@redhat.com>
1159 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1160 for extra name aliases.
1162 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
1164 PR rtl-optimization/51924
1165 * ree.c (combine_set_extension): Improve debugging message.
1166 (combine_reaching_defs): Likewise.
1167 (get_defs): Rename confusingly named variable.
1168 (find_and_remove_re): Skip a candidate if the extension expression has
1171 2012-01-21 Robert Millan <rmh@gnu.org>
1172 Gerald Pfeifer <gerald@pfeifer.com>
1174 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1175 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1177 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1179 PR tree-optimization/51914
1180 * tree-vect-stmts.c (vectorizable_conversion): For
1181 cvt_type && modifier == WIDEN, put temporary with cvt_type
1182 at the beginning of vec_dsts and set vec_dest to temporary
1185 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
1187 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1189 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
1191 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1192 * config/rs6000/rs6000.c: Likewise.
1194 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1197 * config/arm/arm.c (arm_count_output_move_double_insns): Call
1198 output_move_double on a copy of operands array.
1200 2012-01-20 Cary Coutant <ccoutant@google.com>
1201 Dodji Seketeli <dodji@redhat.com>
1204 * dwarf2out.c (copy_declaration_context): Return ref to parent
1205 of declaration DIE, if necessary.
1206 (remove_child_or_replace_with_skeleton): Add new parameter; update
1207 caller. Place skeleton DIE under parent DIE of original declaration.
1208 Move call to copy_declaration_context to here ...
1209 (break_out_comdat_types): ... from here.
1211 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1213 PR rtl-optimization/51856
1214 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1217 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1220 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1221 hints for neon loads and stores.
1223 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1227 * doc/extend.texi (Named Address Spaces): Split into subsections.
1228 (AVR Named Address Spaces): New subsection.
1229 (M32C Named Address Spaces): New subsection.
1230 (RL78 Named Address Spaces): New subsection.
1231 (SPU Named Address Spaces): New subsection.
1232 (Variable Attributes): New anchor "AVR Variable Attributes".
1233 (AVR Variable Attributes): Rewrite and avoid wording
1234 "address space" in this context.
1235 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1236 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1237 (AVR Built-in Macros): New subsubsection therein.
1238 * doc/md.texi (AVR constraints): Remove "C04", "R".
1240 2012-01-20 Richard Guenther <rguenther@suse.de>
1242 PR tree-optimization/51903
1243 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1244 when removing stmts.
1246 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1249 * config/arm/arm.c (arm_load_pic_register): Use
1250 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1251 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1252 (arm_pic_static_addr): Likewise.
1253 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1254 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1255 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1256 (pic_load_addr_unified): New.
1258 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1261 * function.c (instantiate_virtual_regs_in_insn): Use
1262 delete_insn_and_edges when removing a wrong asm insn.
1264 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1266 PR rtl-optimization/40761
1267 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1268 Add new member loop_num.
1269 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1270 (ira_build): Remove the parameter.
1272 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1273 (ira.c): Do not build CFG loops for one region allocation. Remove
1274 argument from ira_build call.
1276 * ira-build.c (init_loop_tree_node): New function.
1277 (create_loop_tree_nodes): Use it. Separate the case when CFG
1278 loops are not built.
1279 (more_one_region_p): Check current_loops.
1280 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1282 (add_loop_to_tree): Process loop equal to NULL too.
1283 (form_loop_tree): Separate the case when CFG loops are not built.
1284 Use explicitly number for the root.
1285 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1287 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1288 instead of loop->num.
1289 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1290 (mark_all_loops_for_removal): Ditto.
1291 (remove_unnecessary_regions): Separate the case when CFG loops
1293 (ira_build): Remove the parameter. Use explicit number of regions
1294 when CFG loops are not built.
1296 * ira-color.c (print_loop_title): Separate the case for the root node.
1297 Use loop_num instead of loop->num.
1298 (move_spill_restore): Use loop_num instead of loop->num.
1300 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1301 (change_loop): Ditto.
1302 (change_loop): Use loop_num instead of loop->num.
1304 * ira-lives.c (process_bb_node_lives): Ditto.
1306 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1308 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1310 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1313 * tree-mudflap.c (mf_artificial): New function.
1314 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1315 mx_register_decls, mudflap_enqueue_decl): Use it.
1318 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1319 numbers in the insn pattern.
1321 2012-01-19 Michael Matz <matz@suse.de>
1323 PR tree-optimization/46590
1324 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1325 use it in remembering which conflicts we already created.
1326 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1329 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1332 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1333 (merge_and_complain): Same.
1335 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1338 * config/initfini-array.h: Guard content of the header
1339 with #ifdef HAVE_INITFINI_ARRAY.
1340 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1341 Add initfini-array.h to tm_file here.
1342 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1343 * config.gcc: Don't add initfini-array.h to tm_file here.
1344 * configure: Regenerated.
1346 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1348 PR rtl-optimization/51505
1349 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1350 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1351 (df_note_bb_compute): Update the call to df_kill_notes.
1353 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1355 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1357 2012-01-18 Richard Guenther <rguenther@suse.de>
1359 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1360 of conversions to void *.
1362 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1363 Richard Sandiford <rdsandiford@googlemail.com>
1367 * optabs.h (simplify_expand_binop): Declare.
1368 * optabs.c (simplify_expand_binop): Make global.
1369 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1370 endian targets if the source cannot be exactly covered by word
1373 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1376 * hard-reg-set.h (struct hard_reg_set_container): New type.
1377 * target.h (struct hard_reg_set_container): Forward declare.
1378 * target.def (set_up_by_prologue): New target hook.
1379 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1380 * doc/tm.texi: Regenerated.
1381 * function.c (thread_prologue_and_epilogue_insns): Change
1382 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1383 Call targetm.set_up_by_prologue on it.
1384 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1385 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1387 2012-01-17 Nick Clifton <nickc@redhat.com>
1389 * config/rx/rx.c (rx_can_use_simple_return): New function.
1390 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1391 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1393 2012-01-17 Richard Guenther <rguenther@suse.de>
1396 * expr.c (expand_assignment): Take address-space information
1397 from the address operand of MEM_REF and TARGET_MEM_REF.
1398 (expand_expr_real_1): Likewise.
1400 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1402 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1403 reload dump is requested.
1405 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1408 * trans-mem.c (requires_barrier): Call may_be_aliased.
1410 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1412 PR tree-optimization/51877
1413 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1414 call arguments and fndecls compare equal, instead return false if they
1415 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1416 both SSA_NAMEs that are valueized the same, or they satisfy
1419 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1421 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1423 * configure: Regenerate.
1425 2012-01-16 Jan Hubicka <jh@suse.cz>
1429 * convert.c (convert_to_integer): Use fold_convert for
1430 converting an INTEGER_CST to integer type.
1432 2012-01-16 Jason Merrill <jason@redhat.com>
1435 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1437 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1440 * config/s390/s390.c (s390_chunkify_start): Don't skip
1441 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1442 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1443 If insn is followed by NOTE_INSN_VAR_LOCATION or
1444 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1445 Don't use location of note insns.
1447 PR tree-optimization/51865
1448 * tree-inline.c (tree_function_versioning): Call remap_decl
1449 on DECL_RESULT whenever it has VOID_TYPE_P type.
1451 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1453 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1454 for calls to locally-binding MIPS16 functions if only the return
1455 type uses float regs.
1457 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1458 Richard Sandiford <rdsandiford@googlemail.com>
1460 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1461 (SYMBOL_32_HIGH): Likewise.
1462 (mips_output_tls_reloc_directive): Declare.
1463 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1464 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1465 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1466 (mips_lo_relocs, mips_hi_relocs): Make extern.
1467 (mips16_stub_function): Move up file.
1468 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1469 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1470 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1471 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1472 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1473 (mips_get_tp): Add MIPS16 support.
1474 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1475 Generalize DTPREL and TPREL handling.
1476 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1477 Add MIPS16 TLS support.
1478 (mips_output_tls_reloc_directive): New function.
1479 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1480 * config/mips/predicates.md (symbolic_operand_with_high)
1481 (tls_reloc_operand): New predicates.
1482 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1483 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1484 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1485 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1486 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1487 (*tls_get_tp_mips16_call_<mode>): Likewise.
1489 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1491 PR rtl-optimization/51821
1492 * recog.c (peep2_find_free_register): Determine clobbered registers
1495 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1498 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1499 * config/avr/avr.c: Likewise.
1500 * config/avr/avr.h: Likewise.
1502 2012-01-13 Ian Lance Taylor <iant@google.com>
1505 * tree.h (TYPE_QUALS): Add cast to int.
1506 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1508 2012-01-13 Ian Lance Taylor <iant@google.com>
1510 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1511 comparing param_index to VEC_length result.
1513 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1515 * c-decl.c: Do not include tree-mudflap.h
1516 * tree-optimize.c: Likewise.
1517 * Makefile.in: Update dependencies.
1519 2012-01-13 Richard Guenther <rguenther@suse.de>
1522 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1523 variable-sized result always use RSO.
1525 2012-01-12 DJ Delorie <dj@redhat.com>
1527 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1528 pointer type, not just the default pointer type.
1530 2012-01-09 Richard Henderson <rth@redhat.com>
1531 Denis Chertykov <chertykov@gmail.com>
1534 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1535 * config/avr/avr.c (avr_can_eliminate): Simplify.
1536 (avr_initial_elimination_offset): Likewise.
1537 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1538 (expand_epilogue): Likewise.
1539 (avr_legitimize_address): Gut.
1540 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1541 (avr_hard_regno_nregs): New.
1542 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1543 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1544 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1545 add soft frame pointer.
1546 (CALL_USED_REGISTERS): Likewise.
1547 (REG_CLASS_CONTENTS): Likewise.
1548 (REGISTER_NAMES): Likewise.
1549 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1550 (HARD_FRAME_POINTER_REGNUM): New.
1551 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1552 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1553 remove the HARD_FRAME_POINTER self-elimination.
1555 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1558 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1559 DECL_EXTERNAL when checking for initializers of progmem variables.
1561 2012-01-12 Ira Rosen <irar@il.ibm.com>
1563 PR tree-optimization/51799
1564 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1565 that the last operation is a type demotion.
1567 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1569 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1570 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1572 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1575 * combine.c (distribute_notes): If i3 is a noreturn call,
1576 allow old_size to be equal to args_size and make sure the
1577 noreturn call gets REG_ARGS_SIZE note.
1578 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1579 on noreturn calls even when the delta is 0.
1581 2012-01-11 Nathan Sidwell <nathan@acm.org>
1583 * gcov.c (STRING_SIZE): Remove.
1584 (generate_results): Erase annotations for source files with no
1585 coverage information.
1587 (output_lines): Use it.
1589 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1591 * gimple.h (gimplify_body): Remove first argument.
1592 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1593 pointer set here, instead just pass DATA to walk_tree.
1594 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1595 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1596 (unvisit_body): Likewise, but with unmark_visited.
1597 (gimplify_body): Remove BODY_P argument and adjust.
1598 (gimplify_function_tree): Adjust call to gimplify_body.
1599 * omp-low.c (finalize_task_copyfn): Likewise.
1601 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1603 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1604 (build_function_type_skip_args): Delete.
1605 * tree.c (build_function_type_skip_args): Make static and add
1606 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1607 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1608 pass it to build_function_type_skip_args.
1609 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1610 (tree_function_versioning): Likewise.
1611 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1612 build_function_decl_skip_args.
1613 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1614 and pass it to build_function_decl_skip_args/tree_function_versioning.
1615 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1616 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1617 * trans-mem.c (ipa_tm_create_version): Likewise.
1618 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1619 * tree-inline.c (declare_return_variable): Remove always-true test.
1620 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1621 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1622 * ipa-split.c (split_function): Skip the return value for the split
1623 part if it doesn't return.
1625 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1627 PR tree-optimization/49642
1628 * ipa-split.c (forbidden_dominators): New variable.
1629 (check_forbidden_calls): New function.
1630 (dominated_by_forbidden): Likewise.
1631 (consider_split): Check for forbidden dominators.
1632 (execute_split_functions): Initialize and free forbidden
1633 dominators info; call check_forbidden_calls.
1635 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1637 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1639 2012-01-11 Nick Clifton <nickc@redhat.com>
1641 * config/rx/rx.md (return): Define pattern.
1643 2012-01-11 Richard Guenther <rguenther@suse.de>
1645 * doc/extend.texi (malloc attribute): Adjust according to
1648 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
1649 Patrick Marlier <patrick.marlier@gmail.com>
1652 * trans-mem.c (get_cg_data): Traverse aliases if requested.
1653 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1654 (ipa_tm_note_irrevocable): Same.
1655 (ipa_tm_scan_irr_block): Same.
1656 (ipa_tm_decrement_clone_counts): Same.
1657 (ipa_tm_scan_irr_function): Same.
1658 (ipa_tm_create_version_alias): Same.
1659 (ipa_tm_create_version): Same.
1660 (ipa_tm_transform_calls_redirect): Same.
1661 (ipa_tm_transform_calls): Same.
1662 (ipa_tm_transform_transaction): Same.
1663 (ipa_tm_execute): Same.
1665 2012-01-10 Richard Guenther <rguenther@suse.de>
1668 * opts.c (common_handle_option): Handle -Werror.
1670 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
1672 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1675 2012-01-10 Jason Merrill <jason@redhat.com>
1677 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1680 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1682 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1683 supports R_386_TLS_GD_PLT reloc.
1684 (gcc_cv_as_ix86_tlsldmplt): Check if linker
1685 supports R_386_TLS_LDM_PLT reloc.
1686 * configure: Regenerate.
1687 * config.in: Regenerate.
1689 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
1692 Extend __pgmx semantics to linearize memory.
1693 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1694 determine if code comes inline or from libgcc.
1695 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1696 (movmem_qi, movmem_qi): Set constraint #2 to "n".
1697 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1698 (movmemx_qi, movmemx_hi): New insns.
1699 (xload_<mode>_libgcc): Rewrite to new insn condition.
1700 (xload_<mode>): Remove insns.
1701 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1702 cases that don't satisfy avr_xload_libgcc_p().
1703 (avr_addr_space_convert): Allow converting in any direction.
1704 (avr_addr_space_subset_p): Return always true.
1705 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1706 (avr_emit_movmemhi): Ditto.
1707 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1708 (avr_out_movmem): Ditto.
1709 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1710 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1711 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1712 (avr_encode_section_info): Encode 'progmem' in symbol flags.
1713 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1715 2012-01-10 Richard Guenther <rguenther@suse.de>
1717 PR tree-optimization/50913
1718 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1719 Require data-refs to be representable by Graphite with respect
1722 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
1724 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1725 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1727 2012-01-10 Tom de Vries <tom@codesourcery.com>
1729 PR rtl-optimization/51271
1730 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1731 handling annulled branch.
1733 2012-01-10 Richard Henderson <rth@redhat.com>
1735 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1736 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1737 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1738 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1739 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1740 arm_expand_vec_perm_const): New.
1741 * config/arm/arm-protos.h: Update.
1742 * config/arm/neon.md (UNSPEC_VCONCAT): New.
1743 (*neon_vswp<VDQX>): New.
1744 (neon_vcombine<VDX>): Use neon_split_vcombine.
1745 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1746 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1747 (vec_perm<VE>): New.
1749 2012-01-10 Richard Henderson <rth@redhat.com>
1751 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1752 use it if reload_completed.
1753 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1754 arm_output_asm_insn, arm_process_output_memory_barrier,
1755 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1756 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1757 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1758 arm_process_output_sync_insn, arm_output_sync_insn,
1759 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1760 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1761 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1762 (emit_unlikely_jump): New.
1763 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1764 (arm_split_atomic_op): New.
1765 * config/arm/arm-protos.h: Update.
1766 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1767 (struct arm_sync_generator): Remove.
1768 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1769 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1770 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1771 (VUNSPEC_LL, VUNSPEC_SC): New.
1772 (sync_result, sync_memory, sync_required_value, sync_new_value,
1773 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1774 (attr length): Don't use arm_sync_loop_insns.
1775 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1776 (movsfcc, movdfcc): Likewise.
1777 * config/arm/constraints.md (Ua): New.
1778 * config/arm/prediates.md (mem_noofs_operand): New.
1779 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1780 (sync_clobber, sync_t2_reqd): Remove.
1781 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1782 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1783 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1784 (arm_sync_compare_and_swap<SIDI>): Remove.
1785 (arm_sync_compare_and_swap<NARROW>): Remove.
1786 (arm_sync_lock_test_and_set<SIDI>): Remove.
1787 (arm_sync_lock_test_and_set<NARROW>): Remove.
1788 (arm_sync_new_<syncop><SIDI>): Remove.
1789 (arm_sync_new_<syncop><NARROW>): Remove.
1790 (arm_sync_new_nand<SIDI>): Remove.
1791 (arm_sync_new_nand<NARROW>): Remove.
1792 (arm_sync_old_<syncop><SIDI>): Remove.
1793 (arm_sync_old_<syncop><NARROW>): Remove.
1794 (arm_sync_old_nand<SIDI>): Remove.
1795 (arm_sync_old_nand<NARROW>): Remove.
1796 (*memory_barrier): Merge arm_output_memory_barrier.
1797 (atomic_compare_and_swap<QHSD>): New.
1798 (atomic_compare_and_swap<NARROW>_1): New.
1799 (atomic_compare_and_swap<SIDI>_1): New.
1800 (atomic_exchange<QHSD>): New.
1801 (cas_cmp_operand, cas_cmp_str): New.
1802 (atomic_op_operand, atomic_op_str): New.
1803 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1804 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1805 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1806 (arm_load_exclusive<NARROW>): New.
1807 (arm_load_exclusivesi, arm_load_exclusivedi): New.
1808 (arm_store_exclusive<QHSD>): New.
1810 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1812 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1813 reload patterns if -mvsx-scalar-memory.
1815 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1816 generated, even -mno-vsx-scalar-double was used.
1817 (vsx_xscvdpsp_scalar): Likewise.
1818 (vsx_xscvspdp_scalar2): Likewise.
1820 2012-01-09 Tom de Vries <tom@codesourcery.com>
1821 Andrew Pinski <apinski@cavium.com>
1824 * reorg.c (fill_slots_from_thread): Don't speculate
1825 frame-related insns.
1827 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
1829 * sched-int.h (bb_note): Move to...
1830 * basic-block.h: ...here.
1831 * haifa-sched.c (bb_note): Move to...
1832 * cfgrtl.c: ...here.
1833 * function.c (next_block_for_reg): New function.
1834 (move_insn_for_shrink_wrap): Likewise.
1835 (prepare_shrink_wrap): Rewrite to use the above.
1837 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
1839 * gimple.c (is_gimple_non_addressable): Remove.
1840 * gimple.h: Remove is_gimple_non_addressable.
1841 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1842 is_gimple_non_addressable.
1843 * trans-mem.c (expand_assign_tm): Same.
1845 2012-01-09 Richard Guenther <rguenther@suse.de>
1847 PR tree-optimization/51775
1848 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1849 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1851 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1853 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1855 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1857 2012-01-09 Richard Guenther <rguenther@suse.de>
1859 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1861 2012-01-08 Jan Hubicka <jh@suse.cz>
1863 PR tree-optimize/51680
1864 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1865 on when known_vals needs to be computed; cleanup.
1867 2012-01-08 Jan Hubicka <jh@suse.cz>
1869 PR tree-optimize/51694
1870 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1872 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
1874 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1875 for -std=c++98 and -std=c++11 too.
1877 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
1879 * cfgloop.c (cancel_loop): Add free() of bbs array.
1881 2012-01-07 Jan Hubicka <jh@suse.cz>
1883 PR tree-optimization/51600
1884 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1885 that benefits small functions.
1887 2012-01-07 Jan Hubicka <jh@suse.cz>
1889 * ipa-inline.c (want_inline_small_function_p): Fix formating.
1891 2012-01-07 Jan Hubicka <jh@suse.cz>
1893 PR tree-optimization/51680
1894 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1895 whose inlining reduce unit size.
1897 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
1900 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1901 Add canonical node to containing_mem chain after the non-canonical
1902 one, even if there weren't any locs to propagate.
1903 (remove_useless_values): Keep only canonical values.
1904 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1905 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
1906 canonicalize mem_chain elements that are not discarded.
1908 2012-01-06 Jakub Jelinek <jakub@redhat.com>
1911 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1912 before emitting functions.
1914 PR gcov-profile/50127
1915 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1916 clear_aux_for_blocks.
1918 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
1921 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1923 2012-01-06 Arnaud Charlet <charlet@adacore.com>
1925 * c-decl.c (ext_block): Moved up.
1926 (collect_all_refs, for_each_global_decl): Take ext_block into account.
1928 2012-01-06 Han Shen <shenhan@google.com>
1930 Translate built-in include paths for sysroot.
1931 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1932 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1934 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1935 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1937 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1938 control whether sysroot should be prepended to gxx include dir.
1940 * configure: Regenerate.
1942 2012-01-06 Torvald Riegel <triegel@redhat.com>
1944 PR rtl-optimization/51771
1945 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1946 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1948 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1950 PR tree-optimization/51315
1951 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1952 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1954 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
1957 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1958 for shrp pattern. Correctly handle and fixup shift variable.
1959 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1961 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1964 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1965 note when !ACCUMULATE_OUTGOING_ARGS.
1967 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1969 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1971 (extract_range_from_unary_expr_1): Avoid useless computations.
1973 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1975 PR rtl-optimization/51767
1976 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1977 of jump_block and add an extra edge for degenerated asm gotos.
1980 * stmt.c (check_unique_operand_names): Don't ICE during error
1981 reporting if i is from labels chain.
1984 * profile.c (branch_prob): Split bbs that have exit edge
1985 and need a fake entry edge too.
1987 2012-01-05 Jan Hubicka <jh@suse.cz>
1990 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1993 2012-01-05 Richard Guenther <rguenther@suse.de>
1996 * tree-streamer-out.c (write_ts_optimization): New function.
1997 (streamer_write_tree_body): Call it.
1998 * tree-streamer-in.c (lto_input_ts_optimization): New function.
1999 (streamer_read_tree_body): Call it.
2000 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2002 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2005 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2006 * gimplify.c (gimplify_cleanup_point_expr): Save and set
2007 in_cleanup_point_expr before gimplify_stmt call and restore it
2009 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2010 in_cleanup_point_expr is false.
2012 2012-01-05 Richard Guenther <rguenther@suse.de>
2015 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2017 * toplev.c (process_options): Reject combining mudflap and LTO.
2018 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2020 2012-01-05 Richard Guenther <rguenther@suse.de>
2022 PR tree-optimization/51760
2023 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2025 (bit_value_unop): Handle UNDEFINED operands.
2026 (bit_value_binop): Likewise.
2028 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
2030 * config/avr/avr.c (avr_replace_prefix): Remove.
2031 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2032 (avr_asm_function_rodata_section): Ditto.
2033 (avr_asm_select_section): Ditto.
2035 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
2037 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2040 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2043 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2044 calls that have any non-fake successor edges.
2047 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2049 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
2051 PR tree-optimization/51624
2052 * tree-sra.c (build_ref_for_model): When replicating a chain of
2053 COMPONENT_REFs, stop as soon as the offset would become negative.
2055 2012-01-04 Jakub Jelinek <jakub@redhat.com>
2058 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2059 in .debug_loc on the floor.
2061 2012-01-04 Andrew Pinski <apinski@cavium.com>
2063 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2065 2012-01-04 Andrew Pinski <apinski@cavium.com>
2066 Adam Nemet <anemet@caviumnetworks.com>
2068 * config/mips/mips.md (size): Add SI and DI.
2069 (SIZE): New mode attribute.
2070 (U): New code attribute.
2071 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2072 (mips_lbux_<mode>): Delete.
2073 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2074 (mips_lhx): Use gen_mips_lhx_extsi.
2075 (mips_lhx_<mode>): Delete.
2077 (mips_l<size>x): New expand.
2078 (mips_lwx_<mode>): Delete.
2079 (mips_l<GPR:size>x_<P:mode>): New pattern.
2080 (*mips_lw<u>x_<P:mode>_ext): Likewise.
2081 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2082 * config/mips/mips.c (mips_lx_address_p): New function.
2083 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2084 (dsp64): New availability predicate.
2085 (mips_builtins): Add an entry for __builtin_mips_ldx.
2086 * config/mips/mips.h (ISA_HAS_LBX): New define.
2087 (ISA_HAS_LBUX): Likewise.
2088 (ISA_HAS_LHX): Likewise.
2089 (ISA_HAS_LHUX): Likewise.
2090 (ISA_HAS_LWX): Likewise.
2091 (ISA_HAS_LWUX): Likewise.
2092 (ISA_HAS_LDX): Likewise.
2093 * doc/extend.texi (__builtin_mips_ldx): Document.
2095 2012-01-04 Tristan Gingold <gingold@adacore.com>
2097 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2098 when long pointers are used.
2099 * config.build (*-*-*vms*): Handle all OpenVMS targets.
2100 (alpha64-dec-*vms*, alpha*-dec-*vms*)
2101 (ia64-hp-*vms*): Remove.
2102 * config/vms/xm-vms64.h: Delete.
2104 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2107 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2109 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2111 * opts.c (finish_options): Remove duplicate sorry.
2113 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2116 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2119 2012-01-04 Richard Guenther <rguenther@suse.de>
2122 * tree.c (size_low_cst): New function.
2123 * tree.h (size_low_cst): Declare.
2124 * fold-const.c (fold_comparison): Use it to extract the low
2125 part of the POINTER_PLUS_EXPR offset.
2127 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
2129 Fix clearing ZERO_REG
2130 * config/avr/avr.md (cc): Add alternative "ldi".
2131 (movqi_insn): Use it in cc attribute.
2132 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2133 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2134 (output_reload_insisf): Use ZERO_REG to pre-clear register.
2136 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2138 * configure: Regenerate.
2140 2012-01-04 Richard Guenther <rguenther@suse.de>
2142 PR tree-optimization/49651
2143 * tree-ssa-structalias.c (type_can_have_subvars): New function.
2144 (var_can_have_subvars): Use it.
2145 (get_constraint_for_1): Only consider subfields if there can be any.
2147 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2150 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2151 to its new canonical_cselib_val and the cselib_val was in
2152 first_containing_mem chain, but the canonical_cselib_val was not,
2153 add the latter into the chain.
2154 (cselib_invalidate_mem): Compare canonical_cselib_val of
2155 addr_list chain elt with v.
2158 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2159 dwarf2out_undef): Allocate e.info using ggc_strdup instead
2161 (output_macinfo_op): Don't ggc_strdup fd->filename.
2162 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2163 then ggc_strdup it. Don't free inc->info or cur->info.
2164 (output_macinfo): Don't free ref->info or file->info.
2166 2012-01-03 Ira Rosen <irar@il.ibm.com>
2168 PR tree-optimization/51269
2169 * tree-vect-loop-manip.c (set_prologue_iterations): Make
2170 first_niters a pointer.
2171 (slpeel_tree_peel_loop_to_edge): Likewise.
2172 (vect_do_peeling_for_loop_bound): Update call to
2173 slpeel_tree_peel_loop_to_edge.
2174 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2175 here. Remove it from the parameters list.
2176 (vect_do_peeling_for_alignment): Update calls and compute
2179 2012-01-03 Richard Guenther <rguenther@suse.de>
2181 PR tree-optimization/51070
2182 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2183 Properly handle calls.
2185 2012-01-03 Richard Guenther <rguenther@suse.de>
2187 PR tree-optimization/51692
2188 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2189 the LHS of allocation stmts.
2191 2012-01-03 Olivier Hainque <hainque@adacore.com>
2193 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2195 2012-01-03 Olivier Hainque <hainque@adacore.com>
2197 * collect2.c (main): In AIX specific computations for vector
2198 insertions, use CONST_CAST2 to cast from char ** to const char **.
2200 2012-01-03 Richard Guenther <rguenther@suse.de>
2203 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2204 the context of a limbo DIE when it does not already exist.
2206 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2208 PR tree-optimization/51719
2209 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2210 but direct call is, clear direct call's lhs and don't add fallthrough
2211 edge from dcall_bb to join_bb and PHIs.
2213 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2215 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2216 the instructions emitted by the pattern.
2217 ("*TDC_insn_<mode>"): Add comment.
2219 2012-01-03 Richard Guenther <rguenther@suse.de>
2222 * fold-const.c (fold_comparison): Properly canonicalize
2223 tree offset and HOST_WIDE_INT bit position.
2225 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2227 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2228 operands for extzv pattern.
2230 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2233 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2236 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2238 * doc/invoke.texi (-flto and related options): Copy-edit.
2240 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2242 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2244 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2246 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2249 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2251 * expr.h (move_by_pieces_ninsns): Declare.
2252 * expr.c (move_by_pieces_ninsns): Make external.
2253 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2254 (mips_store_by_pieces_p): Likewise.
2255 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2256 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2257 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2258 (mips_store_by_pieces_p): Likewise.
2260 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2262 * passes.c (register_one_dump_file): Free full_name.
2264 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2265 (calculate_elim_costs_all_insns): Free offsets_at and
2266 offsets_known_at at the end and clear the pointers.
2268 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2270 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2271 this option introduced in r180739.
2273 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2276 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2277 (tmake_file target=avr): Add avr/t-multilib.
2279 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2280 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2281 * config/avr/genmultilib.awk: New file.
2282 * config/avr/t-multilib: New auto-generated file.
2283 * config/avr/multilib.h: New auto-generated file.
2284 * config/avr/t-avr (AVR_MCUS): New variable.
2285 (genopt.sh): Use it.
2286 (s-mlib): Depend on t-multilib.
2287 (t-multilib, multilib.h): New dependencies.
2288 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2289 (MULTILIB_OPTIONS): Remove.
2290 (MULTILIB_MATCHES): Remove.
2291 (MULTILIB_DIRNAMES): Remove.
2292 (MULTILIB_EXCEPTIONS): Remove:
2293 * config/avr/genopt.sh: Don't use hard coded file name;
2294 pass AVR_MCUS from t-avr instead.
2296 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2298 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2300 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2302 Implement light-weight DImode support.
2303 * config/avr/avr-dimode.md: New file.
2304 * config/avr/avr.md: Include it.
2305 (adjust_len): Add plus64, compare64.
2306 (HIDI): Remove code iterator.
2307 (code_stdname): New code attribute.
2308 (rotx, rotsmode): Remove DI.
2309 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2311 * config/avr/avr-protos.h (avr_have_dimode): New.
2312 (avr_out_plus64, avr_out_compare64): New.
2313 * config/avr/avr.c (avr_out_compare): Handle DImode.
2314 (avr_have_dimode): New variable definition and initialization.
2315 (avr_out_compare64, avr_out_plus64): New functions.
2316 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2317 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2318 (avr_compare_pattern): Skip DImode comparisons.
2320 2012-01-02 Revital Eres <revital.eres@linaro.org>
2322 * ddg.c (def_has_ccmode_p): New function.
2323 (add_cross_iteration_register_deps,
2324 create_ddg_dep_from_intra_loop_link): Call it.
2326 2012-01-02 Richard Guenther <rguenther@suse.de>
2329 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2331 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2333 * gcc.c (process_command): Update copyright notice dates.
2334 * gcov.c (print_version): Likewise.
2335 * gcov-dump.c (print_version): Likewise.
2336 * mips-tfile.c (main): Likewise.
2337 * mips-tdump.c (main): Likewise.
2339 2012-01-01 Ira Rosen <irar@il.ibm.com>
2341 PR tree-optimization/51704
2342 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2343 a use is inside the basic block or loop before accessing its vect info.
2345 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2347 PR rtl-optimization/51069
2348 * cfgloopmanip.c (remove_path): Removing path making irreducible
2349 region unconditional makes BB part of the region.
2351 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2353 PR tree-optimization/51683
2354 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2355 calls with side-effects.
2356 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2358 Copyright (C) 2012 Free Software Foundation, Inc.
2360 Copying and distribution of this file, with or without modification,
2361 are permitted in any medium without royalty provided the copyright
2362 notice and this notice are preserved.