1 2012-05-14 Jakub Jelinek <jakub@redhat.com>
3 * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
4 lineno 1 the same as lineno 0 before first start file directive.
5 (optimize_macinfo_range): Likewise.
7 * dwarf2out.c (have_macinfo): Define.
8 (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
9 attribute, don't force empty compilation unit and don't emit any
10 .debug_macinfo/.debug_macro section if macinfo_table is empty.
12 2012-05-13 Uros Bizjak <ubizjak@gmail.com>
14 Backport from mainline
15 2012-05-12 Uros Bizjak <ubizjak@gmail.com>
17 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
18 ORDERED and UNORDERED conditions.
20 2012-05-12 Eric Botcazou <ebotcazou@adacore.com>
22 * function.c (requires_stack_frame_p): If the function can throw
23 non-call exceptions, return true if the insn can throw internally.
25 2012-05-10 Eric Botcazou <ebotcazou@adacore.com>
27 * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
28 DECL_ORIGINAL_TYPE if it is present.
30 2012-05-09 Georg-Johann Lay <avr@gjlay.de>
32 Backport from 2012-05-12 mainline r187342.
35 * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
36 * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
37 * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
38 * config/avr/avr.c (avr_asm_declare_function_name): Remove.
39 (expand_prologue): Move initialization of cfun->machine->is_naked,
40 is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
41 (avr_set_current_function): ...this new static function.
42 (TARGET_SET_CURRENT_FUNCTION): New define.
43 (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
44 checking attributes of current_function_decl.
45 (avr_regs_to_save): Ditto.
46 (signal_function_p): Rename to avr_signal_function_p.
47 (interrupt_function_p): Rename to avr_interrupt_function_p.
49 * doc/extend.texi (Function Attributes): Better explanation of
50 'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
53 2012-05-09 Matthias Klose <doko@ubuntu.com>
55 * gcc-ar.c (main): Don't check for execute bits for the plugin.
57 2012-05-08 Hans-Peter Nilsson <hp@axis.com>
60 * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
61 when a constant source operand matches an "I" constraint, the "no
62 CC0 change" applies to a register-destination only, not a
63 strict_low_part-destination.
65 2012-05-07 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
67 Backport from mainline:
68 2012-04-19 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
70 * config/arm/sync.md (sync_optab): Change ior attribute to "or".
72 2012-05-07 Jakub Jelinek <jakub@redhat.com>
74 PR tree-optimization/53239
75 * tree-vrp.c (get_value_range): Set VR of
76 SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
79 2012-05-07 Richard Guenther <rguenther@suse.de>
81 PR tree-optimization/53195
82 * tree-inline.c (setup_one_parameter): Properly add referenced
83 vars from the parameters new known value.
85 2012-05-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
87 Backport from mainline:
88 2012-04-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
91 * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
94 2012-05-04 Ian Lance Taylor <iant@google.com>
96 * tree-vect-patterns.c (vect_single_imm_use): Correct return
97 values from false to NULL.
99 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
101 Backport from mainline
102 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
105 * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
106 (TARGET_CMOV): Rename from TARGET_CMOVE.
107 (TARGET_CMOVE): New define.
108 * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
109 Do not set TARGET_CMOVE here.
111 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
113 Backport from mainline:
115 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
117 PR tree-optimization/52633
118 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
119 vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
120 (vect_recog_over_widening_pattern): Remove handling of code that was
121 already detected as over-widening pattern. Remove special handling
122 of "unsigned" cases. Instead, support general case of conversion
123 of the shift result to another type.
125 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
127 * tree-vect-patterns.c (vect_single_imm_use): New function.
128 (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
129 (vect_recog_over_widening_pattern): Likewise.
130 (vect_recog_widen_shift_pattern): Likewise.
132 2012-04-10 Ulrich Weigand <ulrich.weigand@linaro.org>
134 PR tree-optimization/52870
135 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
136 presumed pattern statement is within the same loop or basic block.
138 2012-05-04 Richard Guenther <rguenther@suse.de>
140 * common.opt (flto-report): Do not mark as Optimization.
142 2012-05-04 Eric Botcazou <ebotcazou@adacore.com>
145 * recog.c (constrain_operands): If extra constraints are present, also
146 accept pseudo-registers with equivalent memory locations during reload.
148 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
150 Backport from the mainline
151 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
154 * config/rs6000/rs6000.md (bswapdi splitters): If
155 -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
156 default) is used, generate an alternate sequence that does not
157 depend on using indexed addressing.
159 2012-05-03 David S. Miller <davem@davemloft.net>
162 * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
163 MEM directly into a libcall, mark it's MEM_EXPR as addressable.
164 (sparc_emit_float_lib_cmp): Likewise.
166 2012-05-04 Martin Jambor <mjambor@suse.cz>
168 Backport from mainline
169 2012-05-02 Martin Jambor <mjambor@suse.cz>
172 * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
173 of a variable when the contect is a function.
175 2012-05-03 Jakub Jelinek <jakub@redhat.com>
178 * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
179 append program name to it and pass that as first argument
180 to make_relative_prefix. Always pass standard_libexec_prefix
181 as last argument to make_relative_prefix. If
182 make_relative_prefix returns NULL, fall back to
183 standard_libexec_prefix.
186 * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
190 * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
191 mode, return that mode.
193 2012-05-03 Richard Guenther <rguenther@suse.de>
195 PR tree-optimization/53144
196 * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
198 (vn_reference_lookup_or_insert_for_pieces): ... this. Properly deal
199 with SSA name values.
200 (vn_reference_lookup_3): Adjust callers.
202 2012-05-02 Jakub Jelinek <jakub@redhat.com>
204 PR tree-optimization/53163
205 * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
206 return value from compute_all_dependences.
208 PR rtl-optimization/53160
209 * ree.c (combine_reaching_defs): Handle the case where cand->insn
210 has been modified by ree pass already.
212 2012-05-01 Uros Bizjak <ubizjak@gmail.com>
214 Backport from mainline
215 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
218 * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
219 calls to cgraph_node_name in xstrdup.
220 (ipa_make_edge_direct_to_target): Ditto.
221 * tree-sra.c (convert_callers_for_node): Ditto.
222 * lto-symtab.c (lto_cgraph_replace_node): Ditto.
223 * ipa-cp.c (perhaps_add_new_callers): Ditto.
224 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
225 (cgraph_materialize_all_clones): Ditto.
226 * ipa-inline.c (report_inline_failed_reason): Ditto.
227 (want_early_inline_function_p): Ditto.
228 (edge_badness): Ditto.
229 (update_edge_key): Ditto.
230 (flatten_function): Ditto.
232 (inline_always_inline_functions): Ditto.
233 (early_inline_small_functions): Ditto.
235 2012-04-30 Andreas Tobler <andreast@fgznet.ch>
237 Backport from mainline
238 2012-03-21 Andreas Tobler <andreast@fgznet.ch>
240 * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
241 Introduce emul_name to select the right linker emulation for
242 powerpc64-*-freebsd*.
243 * configure: Regenerate.
244 * config.gcc: Add bits to support powerpc64-*-freebsd*.
245 * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
246 * config/rs6000/freebsd64.h: New file.
247 * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
249 (rs6000_savres_strategy): Likewise.
250 (rs6000_savres_routine_name): Likewise.
251 (rs6000_elf_file_end): Likewise.
252 * config/rs6000/t-freebsd64: New file.
253 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
254 rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
256 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
258 Backport from mainline
259 2012-04-27 Paolo Bonzini <bonzini@gnu.org>
262 * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
264 2012-04-30 Eric Botcazou <ebotcazou@adacore.com>
266 * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
267 predicate to discriminate types.
269 2012-04-27 Richard Guenther <rguenther@suse.de>
272 * convert.c (convert_to_integer): Avoid infinite recursion for
273 target-defined built-in types.
275 2012-04-26 Hans-Peter Nilsson <hp@axis.com>
278 * config/cris/cris.md ("*andhi_lowpart_v32")
279 ("*andqi_lowpart_v32"): Change first input-only operand from
280 a (match_operand ...) to (match_dup 0). Drop alternatives with
281 const_int-matching constraints for redundancy.
282 ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto. Drop
283 three-operand alternative.
285 2012-04-26 Uros Bizjak <ubizjak@gmail.com>
287 Backport from mainline
288 2012-04-23 Uros Bizjak <ubizjak@gmail.com>
290 * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
291 (*addsi_2_zext): Ditto.
292 (*add<mode>_3): Ditto.
293 (*addsi_3_zext): Ditto.
294 (*add<mode>_5): Ditto.
296 2012-04-25 Jakub Jelinek <jakub@redhat.com>
299 * c-typeck.c (set_nonincremental_init,
300 set_nonincremental_init_from_string): Pass true instead of false
301 as IMPLICIT to add_pending_init.
303 2012-04-24 Georg-Johann Lay <avr@gjlay.de>
305 Backport from 2012-04-24 mainline r186768.
308 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
310 2012-04-24 Richard Guenther <rguenther@suse.de>
312 PR tree-optimization/53085
313 * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
316 2012-04-24 Jakub Jelinek <jakub@redhat.com>
319 * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
321 (output_addressed_constants): Likewise.
324 * varasm.c (get_section): Don't ICE for section conflicts with
325 built-in section kinds.
327 2012-04-23 David Edelsohn <dje.gcc@gmail.com>
329 * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
331 2012-04-23 Georg-Johann Lay <avr@gjlay.de>
333 * doc/extend.texi (AVR Named Address Spaces): Fix typos.
335 2012-04-23 Richard Guenther <rguenther@suse.de>
338 * c-typeck.c (build_binary_op): Fix typo.
340 2012-04-23 Jakub Jelinek <jakub@redhat.com>
342 PR tree-optimizations/52891
343 * tree-vect-patterns.c (adjust_bool_pattern): Use
344 build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
345 but with non-standard precision.
347 2012-04-22 Ian Lance Taylor <iant@google.com>
349 * godump.c (go_output_typedef): Dump size of structs.
351 2012-04-20 Ulrich Weigand <ulrich.weigand@linaro.org>
353 Backport from mainline:
355 * config/arm/arm.c (arm_print_operand): Fix invalid alignment
356 hints for 'A' operand types.
358 2012-04-19 Georg-Johann Lay <avr@gjlay.de>
360 Backport from 2012-04-19 mainline r186588.
363 * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
366 2012-04-18 Uros Bizjak <ubizjak@gmail.com>
368 * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
370 2012-04-17 Uros Bizjak <ubizjak@gmail.com>
373 * config/i386/sync.md (atomic_<code><mode>): Rename to
374 atomic_<logic><mode>.
376 2012-04-16 Uros Bizjak <ubizjak@gmail.com>
378 Backport from mainline
379 2012-04-12 Uros Bizjak <ubizjak@gmail.com>
382 * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
383 argument type to __m256i. Update call to __builtin_ia32_permvarsf256.
384 * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
385 (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
386 * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
387 Update builtin type to V8SF_FTYPE_V8SF_V8SI.
388 (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
389 gen_avx2_permvarv8sf.
391 2012-04-16 Martin Jambor <mjambor@suse.cz>
393 Backported from mainline
395 2012-04-13 Martin Jambor <mjambor@suse.cz>
398 * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
399 fold_ctor_reference returns a zero constant.
401 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
403 Backported from mainline
404 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
406 * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
407 and __ILP32__ for x32.
409 2012-04-13 Tom de Vries <tom@codesourcery.com>
411 Backport from mainline r186418.
413 2012-04-13 Tom de Vries <tom@codesourcery.com>
415 * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
416 parameters vuse and vuse_escaped.
417 (find_duplicate): Init vuse1, vuse2 and vuse_escaped. Pass to
418 gsi_advance_bw_nondebug_nonlocal. Return if vuse_escaped and
421 2012-04-13 Richard Guenther <rguenther@suse.de>
423 PR tree-optimization/52969
424 * tree-if-conv.c (predicate_mem_writes): Properly gimplify
425 the condition for the COND_EXPR and handle predicate negation
426 by swapping the COND_EXPR arms.
428 2012-04-13 Richard Guenther <rguenther@suse.de>
431 * convert.c (convert_to_pointer): Remove special-casing of
434 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
436 Backport from mainline
437 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
440 * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
441 the list of options to enable the FCFID instruction.
442 (TARGET_EXTRA_BUILTINS): Adjust comment.
444 2012-04-12 Richard Guenther <rguenther@suse.de>
446 PR tree-optimization/52943
447 * tree-chrec.h (chrec_is_positive): Remove.
448 * tree-scalar-evolution.c (chrec_is_positive): Move ...
449 * tree-data-ref.c (chrec_is_positive): ... here. Make static.
450 Return false for a constant zero instead of negative.
451 (analyze_siv_subscript_cst_affine): Handle zero difference
452 in the initial condition explicitely.
454 2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
457 * varasm.c (process_pending_assemble_externals): Set
458 pending_assemble_externals_processed true.
459 (assemble_external): Call assemble_external_real if the pending
460 assemble externals have been processed.
462 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
465 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
466 the DECL generated for the special GOT helper.
468 2012-04-06 Walter Lee <walt@tilera.com>
470 Backport from mainline
471 2012-03-07 Walter Lee <walt@tilera.com>
473 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
474 REG_CFA_* notes for the stack pointer.
475 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
476 EH_RETURN_STACKADJ_RTX.
477 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
478 generate REG_CFA_* notes for the stack pointer.
479 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
480 by EH_RETURN_STACKADJ_RTX.
482 2012-04-06 Matt Turner <mattst88@gmail.com>
484 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
486 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
488 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
489 of the destination isn't also a FP_REGS register.
491 2012-04-03 Richard Guenther <rguenther@suse.de>
493 Backport from mainline
494 2012-03-02 Richard Guenther <rguenther@suse.de>
496 PR tree-optimization/52406
497 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
498 (struct indices): Add unconstrained_base member.
499 (struct dr_alias): Remove unused vops member.
500 (DR_UNCONSTRAINED_BASE): New define.
501 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
502 add indices to allow their disambiguation. Make DR_BASE_OBJECT
503 be an artificial access that covers the whole indexed object,
504 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
505 plain decl base-objects to their MEM_REF variant.
506 (dr_may_alias_p): When the base-object of either data reference
507 has unknown size use only points-to information.
508 (compute_affine_dependence): Make dumps easier to read and
510 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
511 DR_REF when looking for packed references.
512 (vect_supportable_dr_alignment): Likewise.
514 2012-04-03 Richard Guenther <rguenther@suse.de>
516 Backport from mainline
517 2012-03-15 Richard Guenther <rguenther@suse.de>
520 * tree-data-ref.c (subscript_dependence_tester_1): Check
521 all dimensions for non-conflicting access functions.
523 2012-04-03 Richard Guenther <rguenther@suse.de>
525 Backport from mainline
526 2012-03-06 Richard Guenther <rguenther@suse.de>
529 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
531 2012-03-23 Richard Guenther <rguenther@suse.de>
533 PR tree-optimization/52678
534 * tree-vectorizer.h (struct _stmt_vec_info): Add
535 loop_phi_evolution_part member.
536 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
537 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
538 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
539 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
540 Use the cached evolution part and the PHI nodes value from
541 the loop preheader edge instead of re-analyzing the evolution.
543 2012-03-26 Richard Guenther <rguenther@suse.de>
545 PR tree-optimization/52701
546 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
547 compute and set the evolution part of PHI nodes.
549 2012-03-30 Richard Guenther <rguenther@suse.de>
551 PR tree-optimization/52754
552 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
553 propagate arbitrary addresses into really plain dereferences.
555 2012-04-03 Jakub Jelinek <jakub@redhat.com>
557 PR tree-optimization/52835
558 * tree-data-ref.c (build_rdg): Return NULL if
559 compute_data_dependences_for_loop failed.
561 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
563 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
564 (stmt_can_make_abnormal_goto): Use it.
565 (is_ctrl_altering_stmt): Likewise.
567 2012-03-31 Martin Jambor <mjambor@suse.cz>
569 Backported from mainline
570 2012-03-30 Martin Jambor <mjambor@suse.cz>
572 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
573 is a builtin_stack_save in a dominating BB.
575 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
577 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
578 crossing 128bit lane boundary.
580 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
582 Backported from mainline
583 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
586 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
588 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
589 * config/i386/i386.c: Include reload.h.
590 (ix86_legitimize_reload_address): New function.
592 2012-03-28 Martin Jambor <mjambor@suse.cz>
594 Backported from mainline
595 2012-03-27 Martin Jambor <mjambor@suse.cz>
598 * tree-sra.c (sra_modify_assign): Do not call
599 load_assign_lhs_subreplacements when working with an unscalarizable
602 2012-03-28 Jakub Jelinek <jakub@redhat.com>
605 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
606 __builtin_va_start to __builtin_next_arg if the latter is
607 builtin_decl_explicit_p rather than when it is not.
610 * tree-vect-generic.c (vector_element): Perform multiplication
611 for pos in bitsizetype type instead of idx type.
613 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
615 Backport from 2012-03-28 mainline r185910.
618 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
619 (avr_builtin_decl): New static function.
620 (struct avr_builtin_description, avr_bdesc): Move up.
621 Add GTY marker. Add field fndecl. Remove redundant field id.
622 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
623 (avr_expand_builtin): Code cleanup because .id is removed.
625 2012-03-28 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
628 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
631 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
633 Backport from 2012-03-28 mainline r185907.
636 * config.gcc (tm_file): Remove avr/multilib.h.
638 * doc/invoke.texi (AVR Options): Adjust
639 documentation of -mtiny-stack.
641 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
642 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
643 * config/avr/t-avr: Remove generation of multilib.h.
644 * config/avr/t-multilib: Regenerate.
645 * config/avr/multilib.h: Remove.
646 * config/avr/avr.opt (-msp8): New option.
647 (avr_sp8): New variable.
648 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
649 * config/avr/avr.h (AVR_HAVE_SPH): New define.
650 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
651 (avr_device_to_sp8): New prototype.
652 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
653 (DRIVER_SELF_SPECS): New define.
654 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
655 __AVR_SP8__, __AVR_HAVE_SPH__.
656 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
657 AVR_HAVE_8BIT_SP to decide if SP_H is present.
658 (avr_file_start): Ditto.
660 2012-03-28 Jakub Jelinek <jakub@redhat.com>
663 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
664 instead of 8 in adjust_address.
666 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
668 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
669 of a unit before computing the offset in units.
671 2012-03-27 Richard Guenther <rguenther@suse.de>
674 * fold-const.c (try_move_mult_to_index): Handle &x.array more
677 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
680 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
682 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
685 * varasm.c: Include pointer-set.h.
686 (pending_assemble_externals_set): New pointer set.
687 (process_pending_assemble_externals): Destroy the pointer set.
688 (assemble_external): See if decl is in pending_assemble_externals_set,
689 and add it to pending_assemble_externals if necessary.
690 (init_varasm_once): Allocate pending_assemble_externals_set.
692 2012-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
694 Backported from mainline
695 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
698 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
699 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
700 (vector_ltgt<mode>): Likewise.
701 (vector_ordered<mode>): Likewise.
702 (vector_unordered<mode>): Likewise.
703 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
705 2012-03-23 Joern Rennecke <joern.rennecke@embecosm.com>
707 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
710 2012-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
712 Backported from mainline
713 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
717 * config/sh/sh.c (sh_register_move_cost): Increase cost between
718 GENERAL_REGS and FP_REGS for SImode.
720 2012-03-22 Jakub Jelinek <jakub@redhat.com>
723 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
724 on any new_local_var_chain vars declared during recursing on
725 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
727 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
729 Backport from 2012-03-22 mainline r185692.
732 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
733 (unspecv): Add UNSPECV_MEMORY_BARRIER.
734 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
735 (delay_cycles_1, delay_cycles_2): Ditto.
736 (delay_cycles_3, delay_cycles_4): Ditto.
737 (nopv, *nopv): Ditto.
738 (sleep, *sleep): Ditto.
741 Backport from 2012-03-21 mainline r185605.
743 PR rtl-optimization/52543
745 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
746 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
747 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
748 (avr_load_libgcc_p): Restrict to __flash loads.
749 (avr_out_lpm): Only handle 1-byte loads from __flash.
750 (avr_load_lpm): New function.
751 (avr_find_unused_d_reg): Remove.
752 (avr_out_lpm_no_lpmx): Remove.
753 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
754 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
755 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
756 (load_<mode>, load_<mode>_clobber): New insns.
757 (mov<mode>): For multi-byte move from non-generic
758 16-bit address spaces: Expand to load_<mode> resp.
760 (load<mode>_libgcc): Remove expander.
761 (split-lpmx): Remove split.
763 Backport from 2012-03-13 mainline r185329.
766 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
767 offset (size) to a value the insns can deal with.
768 (expand_epilogue): Ditto.
770 Backport from 2012-03-12 mainline r185256.
773 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
774 type from reg_class_t to enum reg_class.
775 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
777 Backport from 2012-03-12 mainline r185253.
780 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
781 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
782 r184615 from 2012-02-28.
784 Backport from 2012-03-08 mainline r185105.
786 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
787 for constants in [-63,63].
789 Backport from 2012-03-08 mainline r185100.
792 * config/avr/avr.c (avr_mem_clobber): New static function.
793 (avr_expand_delay_cycles): Add memory clobber operand to
794 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
795 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
796 (enable_interrupt, disable_interrupt): New expander.
797 (nopv, sleep, wdr): New expanders.
798 (delay_cycles_1): Add memory clobber.
799 (delay_cycles_2): Add memory clobber.
800 (delay_cycles_3): Add memory clobber.
801 (delay_cycles_4): Add memory clobber.
802 (cli_sei): New insn from former "enable_interrupt",
803 "disable_interrupt" with memory clobber.
804 (*wdt): New insn from former "wdt" with memory clobber.
805 (*nopv): Similar, but for "nopv".
806 (*sleep): Similar, but for "sleep".
808 Backport from 2012-03-07 mainline r185043.
811 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
813 Backport from 2012-03-07 mainline r185032.
816 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
817 to: RAMPZ, RAMPY, RAMPX, RAMPD.
818 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
820 Backport from 2012-03-07 mainline r185031.
823 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
825 * config/avr/avr.md (xload_8): Adjust insn length.
827 Backport from 2012-03-07 mainline r185030.
830 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
831 if RAMPZ affects reading from RAM.
833 Backport from 2012-03-05 mainline r184919.
835 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
837 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
839 Backport from mainline r185259.
842 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
843 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
845 2012-03-22 Jakub Jelinek <jakub@redhat.com>
847 Backported from mainline
848 2012-03-13 Jakub Jelinek <jakub@redhat.com>
851 * c-parser.c (c_parser_postfix_expression)
852 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
854 * config/i386/smmintrin.h: Avoid /* within a comment.
855 * config/i386/nmmintrin.h: Likewise.
857 2012-03-22 Richard Guenther <rguenther@suse.de>
859 * BASE-VER: Set to 4.7.1.
860 * DEV-PHASE: Set to prerelease.
862 2012-03-22 Release Manager
864 * GCC 4.7.0 released.
866 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
868 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
870 2012-03-15 Jakub Jelinek <jakub@redhat.com>
871 Andrew Pinski <apinski@cavium.com>
874 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
875 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
876 calls instead of __builtin_ir{int,ound}*.
878 2012-03-14 Jakub Jelinek <jakub@redhat.com>
881 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
884 2012-03-13 Joseph Myers <joseph@codesourcery.com>
886 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
887 Refer to GCC 4.7 version of c99status.html.
889 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
891 Backport from mainline
892 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
894 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
895 redefine to be NULL if the current bit-size is different from the
898 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
899 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
900 set the default tuning. Add asserts to make sure the cpu and tune
901 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
902 test whether the index is set, instead of > 0.
903 (rs6000_file_start): Do not reset the default cpu if the current
904 bit-size is different from the configured bit-size.
906 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
908 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
910 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
911 Update binutils references.
912 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
913 Update binutils reference.
914 Update Sun as/GNU ld caveat.
915 Document binutils largefile requirement for LTO plugin.
916 Remove reference to alternate libpthread.
918 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
920 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
922 (Specific, mips-sgi-irix6): Likewise.
924 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
926 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
927 * configure: Regenerate.
929 2012-03-07 Richard Henderson <rth@redhat.com>
931 * config/m68k/m68k.h (ISA_HAS_TAS): New.
932 * config/m68k/sync.md (atomic_test_and_set): Use it.
933 (atomic_test_and_set_1): Likewise.
935 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
938 * Makefile.in: Let install-gcc-ar depend on installdirs,
939 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
940 Don't double canonicalize if cross-compiling.
942 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
944 * trans-mem.c: New typedef for tm_region_p.
945 Define vector types for tm_region_p.
946 (tm_region_init): Replace region_worklist to a vector called
949 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
952 * trans-mem.c (tm_region_init): Use last_basic_block.
954 2012-03-05 Richard Henderson <rth@redhat.com>
957 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
958 * omp-low.c (expand_omp_atomic): Assume anything aligned to
959 BIGGEST_ALIGNMENT is aligned.
961 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
963 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
965 2012-03-05 Richard Henderson <rth@redhat.com>
968 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
969 instead of calling negqi2 directly.
971 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
973 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
974 (INTMAX_TYPE): Use it.
975 (UINTMAX_TYPE): Likewise.
976 (SUBTARGET_OVERRIDE_OPTIONS): Define.
977 (irix6_c_common_override_options): Declare.
978 (C_COMMON_OVERRIDE_OPTIONS): Define.
979 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
980 * config/mips/irix6-c.c: New file.
981 * config/mips/t-irix6 (irix6-c.o): New target.
982 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
985 2012-03-02 Richard Henderson <rth@redhat.com>
987 * optabs.c (expand_atomic_test_and_set): Honor
988 atomic_test_and_set_trueval even when atomic_test_and_set
991 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
993 Backport from mainline
994 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
996 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
998 2012-03-02 Richard Guenther <rguenther@suse.de>
1000 * DEV-PHASE: Set to prerelease.
1002 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
1004 * config.gcc (obsolete): Add all ARM targets using the FPA.
1005 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
1006 * doc/install.texi: Avoid references to obsolete ARM ports.
1008 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
1010 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
1012 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
1013 Joern Rennecke <joern.rennecke@embecosm.com>
1015 * doc/extend.texi: Expand and update information on interrupt
1016 attribute for Epiphany.
1018 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1020 * config/sh/sh-protos.h: Update copyright notice dates.
1021 * config/sh/sh.h: Likewise.
1022 * config/sh/sh.md: Likewise.
1023 * config/sh/constraints.md: Likewise.
1024 * config/sh/predicates.md: Likewise.
1026 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1028 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1029 * config/sh/sh.c (tertiary_reload_operand): Likewise.
1031 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1033 * config/sh/constraints.md: Fix comment typo.
1035 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1038 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
1039 unsigned HOST_WIDE_INT.
1040 (zvdep_imm64): Likewise.
1041 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
1042 (vdepi_and): Likewise.
1043 Likewise for unamed 64-bit patterns.
1044 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
1046 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
1049 PR rtl-optimization/52417
1050 * cselib.c (cselib_any_perm_equivs): New variable.
1051 (cselib_reset_table): Check that it's not set when not
1052 preserving constants.
1053 (cselib_add_permanent_equiv): Set it.
1054 (cselib_have_permanent_equivalences): New.
1055 (cselib_init, cselib_finish): Reset it.
1056 * cselib.h (cselib_have_permanent_equivalences): Declare.
1057 * alias.c (get_addr): Restore earlier behavior when there
1058 aren't permanent equivalences.
1060 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
1062 * config/mn10300/mn10300-modes.def: Fix copyright notice.
1063 * config/v850/v850-modes.def: Fix copyright notice.
1065 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
1067 * doc/extend.texi (AVR Built-in Functions): Document
1068 __builtin_avr_flash_segment.
1070 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
1071 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
1072 (*split.flash_segment): New insn-and-split.
1073 * config/avr/avr.c (avr_init_builtins): Add local variables:
1074 const_memx_void_node, const_memx_ptr_type_node,
1075 char_ftype_const_memx_ptr.
1077 2012-03-01 Jakub Jelinek <jakub@redhat.com>
1079 PR tree-optimization/52445
1080 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
1081 add ssa_name_ver, offset and size fields and change store field
1083 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
1084 (add_or_mark_expr): Likewise. Only consider previous stores
1085 with the same size and offset.
1086 (nt_init_block): Only look at gimple_assign_single_p stmts,
1087 doesn't look at rhs2.
1089 2012-03-01 Richard Guenther <rguenther@suse.de>
1092 * tree-cfg.c (verify_gimple_assign_unary): Allow any
1093 conversions from integral types to pointer types.
1095 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
1097 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
1098 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
1099 unintentionally removed in r184616.
1101 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
1103 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
1106 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1107 Uros Bizjak <ubizjak@gmail.com>
1110 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
1111 alternatives, add "e" constraint to the new last alternative
1112 and ! to last 3 alternatives.
1114 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
1116 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
1117 DW_AT_artificial attributes at the end of the processing.
1118 (gen_array_type_die): Likewise.
1119 (gen_enumeration_type_die): Likewise.
1120 (gen_struct_or_union_type_die): Likewise.
1121 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
1124 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1127 * expr.c (expand_assignment): If doing misaligned store that doesn't
1128 cover all mode bits, perform a RMW cycle.
1130 PR tree-optimization/52429
1131 * tree-parloops.c (separate_decls_in_region_debug): Return early
1132 if var is LABEL_DECL.
1134 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1136 PR tree-optimization/52424
1137 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
1138 calling dom_thread_across_edge.
1140 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1142 * config/avr/avr.c: Move definition of TARGET macros to end of file.
1144 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1146 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
1147 * config/avr/avr.c (avr_output_bld): Remove unused function.
1148 (avr_out_sbxx_branch): Use "%T" to print bit position.
1150 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1152 * config/avr/avr.md: Untabify.
1154 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1156 * config/avr/avr.md (eqne): New code iterator.
1157 (*dec-and-branchsi): Use it in text peephole's condition.
1158 (*dec-and-branchhi): Ditto.
1159 (*dec-and-branchqi): Ditto.
1161 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1164 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
1165 the device does not have the skip-bug.
1167 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
1169 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
1170 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
1171 -mpretend-cmove): New.
1173 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1176 * df.h (struct df_d): Adjust comment that hard_regs_live_count
1177 doesn't count DEBUG_INSN refs.
1178 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
1179 for DEBUG_INSN refs.
1181 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1185 2012-02-20 Richard Guenther <rguenther@suse.de>
1186 PR tree-optimization/52298
1187 * tree-vect-stmts.c (vectorizable_load): Properly use
1188 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1191 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
1194 * gimple.h (gimple_in_transaction): New.
1195 (gimple_set_in_transaction): New.
1196 (struct gimple_statement_base): Add in_transaction field.
1197 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
1199 (tree_ssa_lim_initialize): Compute transaction bits.
1200 * tree.h (compute_transaction_bits): Protoize.
1201 * trans-mem.c (tm_region_init): Use the heap to store BB
1203 (compute_transaction_bits): New.
1205 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1207 * gcc.c (display_help): Document --help=common and sort entries
1210 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1212 * doc/install.texi: Document check-$LANG specific shortcuts
1214 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1217 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
1219 * config/arm/arm_neon.h: Regenerate.
1220 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
1221 (neon_vcgeu): New insn.
1222 (neon_vcgtu): Likewise.
1223 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
1224 (ops): Unsigned comparison intrinsics call a different
1227 2012-02-28 Richard Guenther <rguenther@suse.de>
1230 * config/i386/i386.c (ix86_expand_vector_set): Fix element
1231 ordering for the VEC_CONCAT for two element vectors for
1232 V2SFmode, V2SImode and V2DImode.
1234 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
1237 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
1238 detecting big-endian triplets.
1240 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
1242 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
1243 mode if there is no type information available.
1245 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
1247 PR tree-optimization/53207
1248 * doc/invoke.texi: Document as experimental and relying on graphite.
1250 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1252 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
1253 of initializer to changes from r184614.
1255 2012-02-28 Richard Guenther <rguenther@suse.de>
1257 PR tree-optimization/52395
1258 * tree-sra.c (build_ref_for_offset): Also look at the base
1259 TYPE_ALIGN when figuring out the alignment of the replacement.
1261 2012-02-28 Richard Guenther <rguenther@suse.de>
1263 PR tree-optimization/52402
1264 * ipa-prop.c (ipa_modify_call_arguments): Properly use
1265 mis-aligned types when creating the accesses at the call site.
1267 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1269 * config/avr/builtins.def: New file.
1270 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
1271 * config/avr/avr.c (enum avr_builtin_id): Use it.
1272 (avr_init_builtins): Use it. And use avr_bdesc.
1273 (bdesc_1arg): Remove.
1274 (bdesc_2arg): Remove.
1275 (bdesc_3arg): Remove.
1276 (struct avr_builtin_description): Add field n_args.
1277 (avr_bdesc): New static variable using builtins.def.
1278 (avr_expand_builtin): Use it.
1279 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
1280 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
1281 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
1283 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1286 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
1287 match only one single hard register with respective hard reg rtx.
1288 (movmemx_<mode>): Ditto.
1289 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
1290 insn anatomy of movmem[x]_<mode>.
1291 (avr_out_movmem): Same for printing assembler and operand usage.
1293 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1297 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
1298 address spaces located outside of device flash.
1300 * config/avr/avr.h (base_arch_s): Remove field n_segments.
1301 (mcu_type_s): Add field n_flash.
1302 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
1303 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
1304 (AVR_MCU): Add N_FLASH argument.
1305 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
1306 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
1307 macro __FLASH<n> if that address space makes sense for the device.
1308 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
1309 outside of target flash.
1310 (avr_asm_named_section): Ditto.
1311 (avr_asm_select_section): Ditto.
1312 (avr_addr_space_convert): Ditto.
1313 (avr_emit_movmemhi): Ditto.
1314 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
1315 address space is outside of device flash.
1316 (avr_insert_attributes): Ditto.
1317 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
1318 avr_current_arch->n_segments.
1320 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
1323 * config/i386/i386.md (*movabs<mode>_1): Enable only for
1325 (*movabs<mode>_2): Likewise.
1327 2012-02-27 Jakub Jelinek <jakub@redhat.com>
1330 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
1331 s_register_operand in the test instead of REG_P. Don't call
1332 gen_reg_rtx if it won't be used.
1334 PR tree-optimization/52376
1335 * ipa-split.c (split_function): Ignore CLOBBER stmts.
1337 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
1339 * ifcvt.c (noce_get_condition): Check condition variable is not
1340 small_register_classes_for_mode_p before accepting.
1342 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
1344 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1346 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1349 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1350 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1352 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1354 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
1356 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1358 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
1360 * config/sh/predicates.md: Remove blank lines.
1361 * config/sh/sh.c: Fix typos in comments.
1362 * config/sh/constraints.md: Likewise.
1363 * config/sh/sh.md: Remove blank lines.
1364 Fix typos in comments. Use ;; as comment characters.
1366 2012-02-26 Walter Lee <walt@tilera.com>
1368 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1369 (replace_mov_pcrel_step2): Ditto.
1371 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
1374 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1375 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
1376 and locs that reference values newer than the non-canonical value
1377 at hand. Return the canonical value as a worst case.
1378 (memrefs_conflict_p): Walk canonical value's locs.
1381 * cselib.c (preserve_only_constants): Rename to...
1382 (preserve_constants_and_equivs): ... this. Split out...
1383 (invariant_or_equiv_p): ... this. Preserve plus expressions
1384 of other preserved expressions too.
1385 (cselib_reset_table): Adjust.
1386 * var-tracking.c (reverse_op): Use canonical value to build
1389 2012-02-23 Kai Tietz <ktietz@redhat.com>
1391 * config/i386/i386.c (ix86_delegitimize_address): Handle
1392 UNSPEC_PCREL plus displacement.
1394 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
1397 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1398 to test for unusedness in st X addressing.
1400 2012-02-24 Richard Guenther <rguenther@suse.de>
1403 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1404 (is_gimple_reg_type): Move inline ...
1405 * gimple.h (is_gimple_reg_type): ... here.
1407 2012-02-24 Richard Guenther <rguenther@suse.de>
1410 * passes.c (execute_function_todo): When verifying SSA form
1411 verify gimple form first.
1412 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1414 2012-02-24 Richard Guenther <rguenther@suse.de>
1417 * fold-const.c (fold_addr_of_array_ref_difference): New function.
1418 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1420 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1422 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1424 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1426 * tree-phinodes.c (make_phi_node): Mark static.
1427 * tree-flow.h (make_phi_node): Remove extern decl.
1428 * doc/gimple.texi (make_phi_node): Remove documentation.
1430 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1432 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1433 * tree-ssa-sccvn.c (print_scc): Ditto.
1435 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1437 * doc/passes.texi (Full redundancy elimination): Fix typo.
1439 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1441 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1443 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
1446 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1448 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
1451 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1453 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
1455 * config/avr/avr.md (code_stdname): Add ior, xor.
1456 (xior): New code iterator.
1457 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1458 (*<code_stdname><mode>qi.byte1-3): Ditto.
1460 2012-02-23 Jakub Jelinek <jakub@redhat.com>
1462 PR tree-optimization/52019
1463 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1466 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1468 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1469 HAVE_INITFINI_ARRAY to work around namespace pollution in
1470 certain versions of newlib system headers.
1471 * config.in: Regenerate.
1472 * configure: Regenerate.
1473 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1474 instead of HAVE_INITFINI_ARRAY.
1476 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
1479 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1480 is not offsettable memory reference.
1482 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1485 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1486 setting avr_need_clear_bss_p for __gnu_lto* symbols.
1488 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1490 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1491 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1493 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1495 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1496 library on Solaris 8 even without TLS support.
1497 * configure: Regenerate.
1499 2012-02-22 Richard Guenther <rguenther@suse.de>
1502 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1503 for GIMPLE_DEBUG stmts.
1505 2012-02-22 Martin Jambor <mjambor@suse.cz>
1508 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1509 according to the base object.
1511 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1513 PR rtl-optimization/50063
1514 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1515 and 2 (8-bit SP) in operand 2.
1516 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1517 setup to use movhi_sp_r instead of vanilla move to write SP.
1518 Adjust REG_CFA notes to superseed unspec.
1519 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1521 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1522 known to be off) only with TARGET_NO_INTERRUPTS. Never use
1523 irq_state 1 (IRQ known to be on) here.
1525 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
1527 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1529 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1530 assign_hard_reg): Likewise.
1532 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1534 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1536 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1539 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1540 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1542 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1544 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1545 prototype from here to...
1546 * config/avr/avr.h: ...here.
1548 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
1551 * thumb2.md (thumb2_shiftsi3_short): Split register and
1552 immediate shifts. For register shifts tie operands 0 and 1.
1553 (peephole2 for above): Check that register-controlled shifts
1554 have suitably tied operands.
1556 2012-02-21 Quentin Neill <quentin.neill@amd.com>
1559 * config/i386/bdver1.md (bdver1_call, bdver1_push,
1560 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1561 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1562 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1563 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1564 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1565 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1566 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1567 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1568 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1569 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1570 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1571 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1572 bdver1_ssevector_avx256_unaligned_load,
1573 bdver1_ssevector_sse128_unaligned_load,
1574 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1575 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1576 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1577 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1578 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1579 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1580 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1581 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1582 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1583 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1584 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1585 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1586 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1587 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1588 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1589 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1590 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1591 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1592 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1593 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1594 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1595 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1596 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1597 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1598 bdver1_ssediv_double_load, bdver1_ssediv_double,
1599 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1600 Add "bdver2" attribute.
1602 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1604 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1605 default if possible and not specified otherwise.
1607 2012-02-21 Richard Guenther <rguenther@suse.de>
1610 * gimplify.c (create_tmp_from_val): Use the main variant type
1611 for the type of the temporary we create.
1613 2012-02-21 Richard Guenther <rguenther@suse.de>
1615 PR tree-optimization/52324
1616 * gimplify.c (gimplify_expr): When re-gimplifying expressions
1617 do not gimplify a MEM_REF address operand if it is already
1620 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1622 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1623 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1625 2012-02-21 Richard Guenther <rguenther@suse.de>
1627 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1628 nested_in_vect_loop.
1630 2012-02-21 Jakub Jelinek <jakub@redhat.com>
1632 PR tree-optimization/52318
1633 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1634 vdef also to non-pure/const call stmts in the sequence.
1636 2012-02-20 David S. Miller <davem@davemloft.net>
1638 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1639 don't use the "rd %pc" instruction on v9 for PIC register loads.
1641 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
1644 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1645 in a transaction safe function.
1647 2012-02-20 Kai Tietz <ktietz@redhat.com>
1650 * stor-layout.c (place_field): Handle desired_align for
1653 2012-02-20 Richard Guenther <rguenther@suse.de>
1655 PR tree-optimization/52298
1656 * tree-vect-stmts.c (vectorizable_store): Properly use
1657 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1659 (vectorizable_load): Likewise.
1660 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1661 Access DR_STEP after ensuring it is not NULL.
1663 2012-02-20 Jakub Jelinek <jakub@redhat.com>
1665 PR tree-optimization/52286
1666 * fold-const.c (fold_binary_loc): For (X & C1) | C2
1667 optimization use double_int_to_tree instead of build_int_cst_wide,
1668 rewrite to use double_int vars.
1670 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1673 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1675 Remove -e 0 from $gcc_cv_ld invocation.
1676 Only use __GLIBC_PREREQ if defined.
1677 Enable on Solaris since Solaris 8 patch.
1678 (gcc_SUN_LD_VERSION): New macro.
1679 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1680 gcc_SUN_LD_VERSION for version number format.
1681 * configure: Regenerate.
1682 * varasm.c (get_elf_initfini_array_priority_section): Set
1683 SECTION_NOTYPE for non-default priority.
1684 Use get_section instead of get_unnamed_section to emit
1685 .init_array/.fini_array with default priority.
1687 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1689 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1690 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
1691 (mips_start_unique_function, mips_output_mips16_rdhwr)
1692 (mips_code_end): New functions.
1693 (TARGET_ASM_CODE_END): Define.
1695 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1697 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1698 to stubs with non-sibling calls.
1700 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
1702 * doc/invoke.texi (-fira-* options): Copy-edit.
1703 (ira-* parameters): Copy-edit.
1705 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1707 * doc/invoke.texi: Minor copy-edits to bring into conformance with
1708 GCC coding conventions.
1710 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1712 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1713 when used as adjectives.
1715 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
1717 * doc/invoke.texi: Clean up "that"/"which" confusion.
1719 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
1721 * system.h: Poison SMALL_REGISTER_CLASSES
1722 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1723 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1725 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1727 PR tree-optimization/52285
1728 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1729 when deciding if a call is a tail call or tail recursion.
1731 2012-02-16 Kai Tietz <ktietz@redhat.com>
1733 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1734 interger-constant displacement for UNSPEC_PCREL.
1736 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1738 PR rtl-optimization/52208
1739 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1740 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1742 PR tree-optimization/52255
1743 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1744 loop->header has virtual PHI, but exit_e->dest doesn't, add
1745 virtual PHI to exit_e->dest and adjust all uses after the loop.
1748 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1749 children with clone_tree_hash, not after it.
1751 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
1753 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1754 extended identifiers.
1756 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1759 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1760 a same_body_alias, also test whether e->callee isn't a former
1761 or current clone of the decl this is a same body alias of.
1763 PR translation/52264
1764 * cgraphunit.c (verify_cgraph_node): Fix a typo.
1766 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
1768 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1770 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
1773 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1774 force_reg instead of copy_to_reg for better optimization. Force
1775 non-register or memory operands into a register.
1777 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
1779 * extend.texi: Reserve upper bits of memory model for future use.
1781 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
1782 Anatoly Sokolov <aesok@post.ru>
1783 Eric Weddington <eric.weddington@atmel.com>
1786 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1787 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1788 Rewrite initializers for .macro.
1789 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1790 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1791 atxmega32d4, atxmega32x1.
1792 avrxmega4: atxmega64a3, atxmega64d3.
1793 avrxmega5: atxmega64a1, atxmega64a1u.
1794 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1795 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1796 avrxmega7: atxmega128a1, atxmega128a1u.
1797 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1798 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1799 (struct base_arch_s): Rename reserved to xmega_p.
1800 Rename reserved2 to have_rampd.
1801 (AVR_XMEGA): New define.
1802 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1803 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1804 * config/avr/predicates.md (io_address_operand): Take into
1806 (low_io_address_operand): Ditto.
1807 (high_io_address_operand): Ditto.
1808 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1809 (enabled, movhi_sp_r): Use them.
1810 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1811 cpp_define_formatted to built-in define __AVR_ARCH__.
1812 (__AVR_XMEGA__): New built-in define.
1813 (__AVR_HAVE_RAMPD__): New built-in define.
1814 (__AVR_HAVE_RAMPX__): New built-in define.
1815 (__AVR_HAVE_RAMPY__): New built-in define.
1816 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1818 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1819 (avr_option_override): Initialize them.
1820 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1821 (avr_init_expanders): Initialize them. No more block several calls.
1822 (emit_push_sfr): New static function.
1823 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1825 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1826 (avr_print_operand): Print addreeses as symbols for
1827 RAMPX, RAMPY, RAMPD, CCP.
1828 (output_movhi): Handle AVR_XMEGA when writing to SP.
1829 (avr_out_movhi_mr_r_xmega): New static function.
1830 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1831 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
1832 __RAMPD__, __CCP__ as needed.
1834 * config/avr/multilib.h: Regenerate.
1835 * config/avr/t-multilib: Regenerate.
1836 * config/avr/avr-tables.opt: Regenerate.
1838 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
1840 PR tree-optimization/50561
1841 * graphite-flattening.c (lst_project_loop): Do not
1842 remove old scattering dimensions after flattening.
1843 (lst_do_flatten): Likewise.
1845 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
1847 * doc/extend.texi (AVR Built-in Functions): Remove doc for
1848 __builtin_avr_map8, __builtin_avr_map16.
1849 Document __builtin_avr_insert_bits.
1851 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1852 (insert_bits): New insn.
1853 (adjust_len.map_bits): Rename to insert_bits.
1854 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1855 * avr-protos.h (avr_out_map_bits): Remove.
1856 (avr_out_insert_bits, avr_has_nibble_0xf): New.
1857 * config/avr/constraints.md (Cxf,C0f): New.
1858 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1859 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1860 New built-in define __BUILTIN_AVR_INSERT_BITS.
1861 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1862 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1863 (avr_move_bits): Rewrite.
1864 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1866 (avr_map_op_t): New typedef.
1867 (avr_map_op): New static variable.
1868 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1869 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1870 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1871 (bdesc_3arg, avr_expand_triop_builtin): New.
1872 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1873 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1874 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1875 (avr_map_equal_p, avr_map_sig_p): Remove.
1876 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1877 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1878 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1879 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1880 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1881 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1883 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1885 * config/c6x/c6x.md (reserve_cycles): New attribute.
1886 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1887 don't reserve functional units after the branch occurs.
1889 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
1892 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1893 functions into non-tm_pure functions.
1895 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
1898 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1899 (iterative_hash_canonical_type): Likewise.
1900 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1903 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1905 * haifa-sched.c (prune_ready_list): Ensure that if there is a
1906 sched-group insn, it either remains alone or the entire list is pruned.
1908 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1910 * doc/install.texi (Prerequisites): Fix grammar.
1911 (Configuration): Likewise.
1913 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1915 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1916 MPC as part of GCC before describing configuring with --with-gmp etc.
1917 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1918 sources are present.
1920 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1923 * dwarf2out.c (clone_tree_hash): New function.
1924 (copy_decls_walk): Use it instead of clone_tree.
1926 2012-02-14 Richard Guenther <rguenther@suse.de>
1928 PR tree-optimization/52244
1929 PR tree-optimization/51528
1930 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1931 replacements for integral types.
1933 2012-02-14 Walter Lee <walt@tilera.com>
1935 * config.gcc: Handle tilegx and tilepro.
1936 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1938 Add HAVE_AS_TLS check for tilegx and tilepro.
1939 * configure: Regenerate.
1940 * doc/contrib.texi: Add Mat Hostetter and self.
1941 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1942 Document instruction intrinsics and network accessing intrinsics.
1943 (TILEPro Built-in Functions): New node. Document instruction
1944 intrinsics and network accessing intrinsics.
1945 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1946 (Specific, tilepro-*-linux*): Likewise.
1947 * doc/invoke.texi (TILE-Gx Options): New section.
1948 (TILEPro Options): New section.
1949 * doc/md.texi (TILE-Gx): New section.
1950 (TILEPro): New section.
1951 * common/config/tilegx/tilegx-common.c: New file.
1952 * common/config/tilepro/tilepro-common.c: New file.
1953 * config/tilegx/constraints.md: New file.
1954 * config/tilegx/linux.h: New file.
1955 * config/tilegx/mul-tables.c: New file.
1956 * config/tilegx/predicates.md: New file.
1957 * config/tilegx/sync.md: New file.
1958 * config/tilegx/t-tilegx: New file.
1959 * config/tilegx/tilegx-builtins.h: New file.
1960 * config/tilegx/tilegx-c.c: New file.
1961 * config/tilegx/tilegx-generic.md: New file.
1962 * config/tilegx/tilegx-modes.def: New file.
1963 * config/tilegx/tilegx-multiply.h: New file.
1964 * config/tilegx/tilegx-protos.h: New file.
1965 * config/tilegx/tilegx.c: New file.
1966 * config/tilegx/tilegx.h: New file.
1967 * config/tilegx/tilegx.md: New file.
1968 * config/tilegx/tilegx.opt: New file.
1969 * config/tilepro/constraints.md: New file.
1970 * config/tilepro/gen-mul-tables.cc: New file.
1971 * config/tilepro/linux.h: New file.
1972 * config/tilepro/mul-tables.c: New file.
1973 * config/tilepro/predicates.md: New file.
1974 * config/tilepro/t-tilepro: New file.
1975 * config/tilepro/tilepro-builtins.h: New file.
1976 * config/tilepro/tilepro-c.c: New file.
1977 * config/tilepro/tilepro-generic.md: New file.
1978 * config/tilepro/tilepro-modes.def: New file.
1979 * config/tilepro/tilepro-multiply.h: New file.
1980 * config/tilepro/tilepro-protos.h: New file.
1981 * config/tilepro/tilepro.c: New file.
1982 * config/tilepro/tilepro.h: New file.
1983 * config/tilepro/tilepro.md: New file.
1984 * config/tilepro/tilepro.opt: New file.
1986 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1988 PR tree-optimization/52210
1989 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1990 vect_model_simple_cost with two entry vect_def_type array instead
1991 of an address of dt.
1993 2012-02-14 Richard Guenther <rguenther@suse.de>
1996 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1997 Do not stream DECL_QUALIFIER.
1998 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1999 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
2000 (find_decls_types_r): Do not walk DECL_QUALIFIER.
2002 2012-02-14 Jakub Jelinek <jakub@redhat.com>
2005 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
2008 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2011 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
2012 * cselib.c (cselib_subst_to_values_from_insn): New function.
2013 * sched-deps.c (add_insn_mem_dependence,
2014 sched_analyze_1, sched_analyze_2): Use it.
2016 2012-02-13 Jan Hubicka <jh@suse.cz>
2019 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
2021 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
2023 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2024 (GTM_SELF_SPECS): Define if not already defined.
2025 (driver_self_specs): Add GTM_SELF_SPECS.
2026 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2027 (GTM_SELF_SPECS): Define.
2028 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2029 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2031 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2033 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2036 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
2039 * omp-low.c (expand_omp_for): If a static schedule without chunk size
2040 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
2042 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
2045 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
2047 2012-02-13 Richard Guenther <rguenther@suse.de>
2049 PR translation/52211
2050 * passes.c (enable_disable_pass): Fix typo.
2052 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2055 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
2056 XOR for reduce_bit_field if type is unsigned.
2058 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
2060 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
2061 disallow changes from SFmode to mode with different size in FP regs.
2063 2012-02-12 Robert Millan <rmh@gnu.org>
2064 Gerald Pfeifer <gerald@pfeifer.com>
2066 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
2069 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
2071 PR rtl-optimization/52175
2072 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
2073 to frame-related instructions.
2075 2012-02-10 Jason Merrill <jason@redhat.com>
2078 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2079 (demangle_new_symbols): Fill it.
2080 (scan_linker_output): Walk it.
2081 (start_tweaking): Split out from scan_linker_output.
2082 (maybe_tweak): Update sym->chosen.
2083 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
2085 2012-02-11 Jakub Jelinek <jakub@redhat.com>
2088 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
2090 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
2092 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2093 having the same mode as previous compare.
2095 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
2097 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
2098 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
2099 (nonlocal_goto_internal): Likewise.
2100 (nonlocal_goto): Emit a use and an indirect jump directly.
2102 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
2105 * doc/extend.texi : Update comments for __atomic_compare_exchange and
2106 __atomic_{is,always}_lock_free.
2108 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
2111 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
2112 negative constant address for x32.
2114 2012-02-10 Richard Henderson <rth@redhat.com>
2116 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
2117 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
2118 for GIMPLE_TRANSACTION. Tidy if's into a switch.
2120 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2121 Ira Rosen <irar@il.ibm.com>
2123 PR tree-optimization/50031
2124 * targhooks.c (default_builtin_vectorization_cost): Handle
2126 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
2127 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
2128 all types of reduction and pattern statements.
2129 (vect_estimate_min_profitable_iters): Likewise.
2130 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
2131 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
2132 for explicit realigns.
2133 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
2134 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
2136 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
2137 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
2138 vec_perm for VSX and handle vec_promote_demote.
2140 2012-02-10 Jakub Jelinek <jakub@redhat.com>
2143 * builtins.c (fold_builtin_atomic_always_lock_free,
2144 expand_builtin_atomic_always_lock_free,
2145 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
2146 Return and/or test boolean_true_node/boolean_false_node instead of
2147 integer_one_node/integer_zero_node.
2149 2012-02-10 Jan Hubicka <jh@suse.cz>
2152 * predict.c (predict_paths_for_bb): Prevent looping.
2153 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
2155 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
2157 * config/arm/arm.c (output_move_double): In one case properly
2158 count number of instructions that will be emitted.
2160 2012-02-10 Richard Guenther <rguenther@suse.de>
2162 PR translation/52193
2163 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
2165 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
2168 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
2170 2012-02-09 Jakub Jelinek <jakub@redhat.com>
2173 * var-tracking.c (emit_note_insn_var_location): If
2174 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
2175 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
2176 non-NOTE_DURING_CALL_P insn.
2178 2012-02-09 Bin Cheng <bin.cheng@arm.com>
2181 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
2183 2012-02-08 Magnus Granberg <zorry@gentoo.org>
2186 * gcc.c (switch_matches) Support switches with separated form,
2189 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
2191 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
2193 (RAMPZ_ADDR): Ditto.
2194 * config/avr/avr.c (avr_addr_t): New typedef.
2195 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
2196 (avr_init_expanders): Initialize it.
2197 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
2199 (expand_epilogue): Ditto.
2200 (avr_print_operand): Ditto.
2201 (avr_file_start): Ditto.
2202 (avr_emit_movmemhi): Ditto.
2204 2012-02-08 Richard Guenther <rguenther@suse.de>
2206 PR tree-optimization/46886
2207 * tree-flow.h (do_while_loop_p): Declare.
2208 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
2209 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
2211 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
2213 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
2214 always succeed for integers larger than a native word.
2216 2012-02-08 Richard Guenther <rguenther@suse.de>
2218 PR rtl-optimization/52170
2219 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
2220 properly handle integer vector modes.
2222 2012-02-08 Jakub Jelinek <jakub@redhat.com>
2224 PR gcov-profile/52150
2225 * coverage.c: Include target.h.
2226 (build_var): Call targetm.strip_name_encoding on the assembler name.
2227 Change one _ into . or $ if the target allows it.
2228 * Makefile.in (coverage.o): Depend on $(TARGET_H).
2230 PR rtl-optimization/52139
2231 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
2232 is a BARRIER after emit_insn_after_noloc, move BB_END
2233 to the last non-BARRIER insn before it.
2235 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
2238 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
2239 (mips_gimplify_va_arg_expr): Call it instead of
2240 std_gimplify_va_arg_expr.
2242 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
2244 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
2245 message for -mno-pointers-to-nested-function.
2247 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
2250 * expr.c (get_inner_reference): If there is an offset, add a negative
2251 bit position to it (if any).
2253 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2255 PR rtl-optimization/52060
2256 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
2257 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
2258 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
2259 and/or i0src_copy2 when needed.
2261 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2263 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
2264 or LTOPLUGINSONAME if have_c.
2266 * config/freebsd-spec.h: Add comment about what macros can be defined
2268 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
2269 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
2272 2012-02-07 Richard Guenther <rguenther@suse.de>
2274 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
2275 newline in -alias dumps.
2277 2012-02-07 Kai Tietz <ktietz@redhat.com>
2278 Dave Korn <dave.korn.cygwin@gmail.com>
2281 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2282 Take care that typinfo gets dllexport-attribute.
2284 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2287 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
2288 if modifier < EXPAND_SUM call force_operand on the result.
2290 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
2292 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
2293 adding __forwarder_dst__ prefix if a forwarder_section attribute is
2295 (epiphany_function_type): Replace types for specific interrupts with
2296 EPIPHANY_FUNCTION_INTERRUPT.
2297 (EPIPHANY_INTERRUPT_P): Update.
2298 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
2299 New static function.
2300 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
2301 <disinterrupt>: Affects type identity.
2302 (epiphany_handle_interrupt_attribute): Handle variable number of
2304 (epiphany_compute_function_type): Update for new
2305 epiphany_function_type definition.
2306 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
2307 handlers with a longcall forwarder.
2308 (epiphany_start_function): Handle multiple interrupt arguments and/or
2309 forwarder_section attribute.
2311 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
2314 2012-02-07 Alan Modra <amodra@gmail.com>
2317 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
2320 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2322 PR tree-optimization/50969
2323 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
2324 use vec_perm rather than vector_stmt.
2325 (vect_model_load_cost): Likewise.
2326 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
2327 vec_perm to be the same as other vector statements.
2328 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
2329 cost of vec_perm for TARGET_VSX.
2331 2012-02-06 Richard Guenther <rguenther@suse.de>
2333 PR tree-optimization/52115
2334 * tree-sra.c (access_has_replacements_p): New function.
2335 (sra_modify_assign): Use it to decide whether a use is uninitialized.
2337 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
2340 * trans-mem.c (expand_call_tm): Add an assertion.
2341 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2344 2012-02-06 Richard Guenther <rguenther@suse.de>
2346 PR tree-optimization/50955
2347 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2348 raise cost of expressions that replace an address with an
2349 expression based on a different pointer.
2351 2012-02-06 Jakub Jelinek <jakub@redhat.com>
2354 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2355 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2357 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
2360 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2361 -Weffc++ and specify guidelines come from second edition.
2363 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
2365 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2366 (sibcall_value_multiple_internal, call_split, call_internal_direct)
2367 (call_direct_split, call_value_split, call_value_internal_direct)
2368 (call_value_direct_split, call_value_multiple_split): Use jal and
2369 jal_macro attributes.
2371 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
2373 * reload1.c (reload_regs_reach_end_p): Replace with...
2374 (reload_reg_rtx_reaches_end_p): ...this function.
2375 (new_spill_reg_store): Update commentary.
2376 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2377 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2378 before setting new_spill_reg_store.
2379 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2380 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2381 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2382 for non-spill reload registers.
2384 2012-02-05 Ira Rosen <irar@il.ibm.com>
2386 PR tree-optimization/52091
2387 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2388 (vect_is_simple_use_1): Likewise.
2389 * tree-vect-loop.c (vectorizable_reduction): Update calls
2390 to vect_is_simple_use_1 and vect_is_simple_use.
2391 (vectorizable_live_operation): Likewise.
2392 * tree-vect-patterns.c (widened_name_p,
2393 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2394 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2395 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2396 vectorizable_shift,vectorizable_operation, vectorizable_store,
2397 vectorizable_load): Likewise.
2398 (vect_is_simple_cond): Add an argument, pass it to
2399 vect_is_simple_use_1.
2400 (vectorizable_condition): Update calls to vect_is_simple_cond,
2402 (vect_is_simple_use): Add an argument, the statement in which
2403 OPERAND is used. Check that if OPERAND's def stmt is a double
2404 reduction phi node, the use is a phi node too.
2405 (vect_is_simple_use_1): Add an argument, pass it to
2407 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2408 to vect_is_simple_use.
2410 2012-02-04 Jakub Jelinek <jakub@redhat.com>
2412 PR rtl-optimization/52095
2413 * modulo-sched.c (dump_insn_locator): New function.
2414 (loop_canon_p, sms_schedule): Use it.
2416 PR rtl-optimization/52113
2417 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2418 even for decomposable shift/zext insns.
2420 2012-02-03 Jakub Jelinek <jakub@redhat.com>
2421 Zdenek Dvorak <ook@ucw.cz>
2423 PR rtl-optimization/52092
2424 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2425 on get_iv_value result.
2427 2012-02-02 Andrew Pinski <apinski@cavium.com>
2431 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2433 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2436 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2438 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
2440 PR rtl-optimization/49800
2441 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2442 (sched_finish): Call regstat_free_n_sets_and_refs.
2444 2012-02-02 Jia Liu <proljc@gmail.com>
2446 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2449 2012-02-02 Jan Hubicka <jh@suse.cz>
2450 Tom de Vries <tom@codesourcery.com>
2453 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2454 * varpool.c (varpool_analyze_pending_decls): Likewise.
2456 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2457 Jayant R Sonar <jayant.sonar@kpitcummins.com>
2459 * config.gcc: Add cr16-* support.
2461 * doc/extend.texi: Document cr16 extensions.
2462 * doc/install.texi: Document cr16 install.
2463 * doc/invoke.texi: Document cr16 options.
2464 * doc/md.texi: Document cr16 constraints.
2466 * common/config/cr16/cr16-common.c: New file.
2467 * config/cr16/cr16.c: New file.
2468 * config/cr16/cr16.h: New file.
2469 * config/cr16/cr16.md: New file.
2470 * config/cr16/cr16.opt: New file.
2471 * config/cr16/cr16-protos.h: New file.
2472 * config/cr16/predicates.md: New file.
2473 * config/cr16/constraints.md: New file.
2474 * config/cr16/t-cr16: New file.
2476 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2479 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2480 that operands[2] is either immediate, or q_regs_operand.
2482 PR tree-optimization/52073
2483 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2484 a pattern stmt for pattern uses, ignore uses outside of the loop.
2486 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2488 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2489 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2490 (OUT_AS1, OUT_AS2): Remove.
2492 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2494 PR rtl-optimization/51374
2495 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2496 to cross other volatile_refs_p insns.
2498 2012-02-01 Richard Guenther <rguenther@suse.de>
2500 * doc/invoke.texi (fno-inline): Clarify documentation.
2501 (finline-small-functions): Likewise.
2502 (finline-functions): Likewise.
2503 * common.opt (finline): Adjust comment and documentation.
2504 (finline-small-functions): Clarify documentation.
2505 (finline-functions): Likewise.
2506 (finline-functions-called-once): Likewise.
2508 2012-02-01 Tristan Gingold <gingold@adacore.com>
2510 * c-typeck.c (composite_type): Keep mode for pointers.
2512 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
2514 * function.h (regno_reg_rtx): Adjust comment.
2515 * reginfo.c (init_reg_modes_target): Only use the previous mode
2516 if it fits within one register. Remove MIPS comment.
2518 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2521 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2523 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2525 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2526 to srak instruction.
2528 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2530 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2532 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2537 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2539 2012-01-31 Richard Guenther <rguenther@suse.de>
2541 PR tree-optimization/51528
2542 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2545 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2550 * ree.c (add_removable_extension): Change def_map argument
2551 to unsigned *, store in def_map 1 + offset into *insn_list vector
2552 instead of pointers into the vector.
2553 (find_removable_extensions): Adjust caller.
2555 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2557 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2558 Transform all "* quoted-c-code" to { c-code }.
2559 Remove redundant test for "optimize" in combine patterns.
2560 Move (include "avr-dimode.md") to end of file.
2562 2012-01-30 Bin Cheng <bin.cheng@arm.com>
2565 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2566 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2568 2012-01-30 Richard Guenther <rguenther@suse.de>
2570 PR tree-optimization/52028
2571 * tree-loop-distribution.c (ldist_gen): Properly update
2574 2012-01-30 Jakub Jelinek <jakub@redhat.com>
2577 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2578 set_cur_line_info_table if not emitting debug info.
2580 PR tree-optimization/52046
2581 * tree-vect-patterns.c (check_bool_pattern): Give up if
2582 a comparison could throw.
2585 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2587 2012-01-30 Richard Guenther <rguenther@suse.de>
2589 PR tree-optimization/52045
2590 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2591 SSA form if cfgcleanup did anything.
2593 2012-01-30 Richard Guenther <rguenther@suse.de>
2595 PR tree-optimization/52045
2596 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2597 before computing final todo.
2599 2012-01-30 Richard Guenther <rguenther@suse.de>
2601 PR tree-optimization/51528
2602 * tree-sra.c (sra_modify_assign): Re-factor in preparation
2605 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
2607 * df-problems.c (df_kill_notes): Check that the use refers
2608 to the note under examination.
2610 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
2613 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2614 parameter and use short-lived pseudos.
2615 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2616 (sparc_expand_vector_init): Const-ify local variables and adjust
2617 calls to above functions.
2619 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2621 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2623 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
2625 * doc/invoke.texi: Make usage of "compile time" and
2626 "run time"/"runtime" consistent throughout the file.
2628 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
2630 * config/alpha/alpha.c (alpha_option_override): Default to
2631 full IEEE compliance mode for Go language.
2633 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
2635 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2636 (LINK_SSP_SPEC): Define.
2638 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2641 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2644 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
2646 * doc/invoke.texi: Correct hyphenation of "floating point",
2647 "double precision", and related terminology throughout the file.
2649 2012-01-28 Jakub Jelinek <jakub@redhat.com>
2652 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2653 arm_general_register_operand predicate for operand 2 instead of
2656 2012-01-27 Ian Lance Taylor <iant@google.com>
2659 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2660 * builtins.c (expand_builtin_init_trampoline): Add onstack
2661 parameter. Change caller.
2662 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2663 * tree.c (build_common_builtin_nodes): Declare
2664 __builtin_init_heap_trampoline.
2666 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
2668 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2669 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2670 * config/avr/avr.c: Ditto.
2671 (avr_regnames): Remove because unused.
2672 * config/avr/avr.md (*cpse.ne): New peephole.
2673 (*cpse.eq): New peephole from former cpse peepholes.
2675 2012-01-27 Michael Eager <eager@eagercon.com>
2677 * config/microblaze.c (microblaze_emit_compare): Correct
2678 test after pcmp instruction.
2680 2012-01-27 Richard Guenther <rguenther@suse.de>
2682 PR tree-optimization/52020
2683 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2685 2012-01-27 Richard Guenther <rguenther@suse.de>
2687 * ipa-pure-const.c (check_stmt): Clobbers do not make a
2688 function non-const/pure.
2690 2012-01-27 Richard Guenther <rguenther@suse.de>
2692 PR tree-optimization/50444
2693 * tree-sra.c (build_ref_for_offset): Properly adjust the
2694 MEM_REF type for unaligned accesses.
2696 2012-01-27 Richard Guenther <rguenther@suse.de>
2698 PR tree-optimization/50444
2699 * expr.c (mem_ref_refers_to_non_mem_p): New function.
2700 (expand_assignment): Use it. Properly handle misaligned
2701 bases when expanding stores to component references.
2702 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2705 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
2708 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2709 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2710 * tree-data-ref.c (find_data_references_in_loop): Make static.
2711 (compute_all_dependences): Change return type to bool. Bail out
2712 for too many datarefs in a loop. Move the hunk resetting the data
2713 dependences vector from ...
2714 (compute_data_dependences_for_loop): ... here. Account for
2715 compute_all_dependences returning false.
2716 (compute_data_dependences_for_bb): Likewise.
2717 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2718 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2720 2012-01-27 Richard Guenther <rguenther@suse.de>
2723 * expr.c (store_field): Use the alias-set of the scratch memory
2726 2012-01-27 Tom de Vries <tom@codesourcery.com>
2728 PR tree-optimization/51990
2729 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2731 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2733 2012-01-27 Jakub Jelinek <jakub@redhat.com>
2736 * var-tracking.c (reverse_op): Don't add any reverse operation
2737 if V already has any constant locations.
2739 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2741 * doc/invoke.texi: Correct usage of "command line" (noun)
2742 vs "command-line" (adjective) throughout.
2744 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2746 * doc/invoke.texi (Language Independent Options): Move
2747 -Wcoverage-mismatch blurb from here....
2748 (Warning Options): ...to here.
2750 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
2752 * config/rs6000/rs6000.c (rs6000_option_override_internal):
2753 Set rs6000_always_hint to false for 476.
2755 2012-01-27 Matthias Klose <doko@ubuntu.com>
2757 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2759 * incpath.c (add_standard_paths): Likewise.
2761 2012-01-27 Richard Henderson <rth@redhat.com>
2763 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2764 * config/m68k/sync.md (atomic_test_and_set): Rename from
2765 sync_test_and_setqi and adjust the operands.
2766 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2767 and unconditionally enable.
2769 2012-01-27 Richard Henderson <rth@redhat.com>
2771 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2772 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2773 (ldstub): Rename from ldstubqi.
2774 (ldstub<I24MODE>): Remove.
2776 2012-01-27 Richard Henderson <rth@redhat.com>
2778 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2779 * c-cppbuiltin.c (cpp_atomic_builtins): Define
2780 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2781 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2782 * doc/tm.texi: Rebuild.
2784 2012-01-27 Richard Henderson <rth@redhat.com>
2786 * optabs.c (gen_atomic_test_and_set): Remove default.
2787 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2789 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2791 PR rtl-optimization/51978
2792 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2793 (combine_reaching_defs): Likewise.
2794 (struct re_info): Remove.
2795 (add_removable_extension): Remove x and data arguments,
2796 add insn, insn_list and def_map. Use the arguments directly
2797 instead of using struct re_info.
2798 (find_removable_extensions): Don't call add_removable_extension
2799 through note_stores, instead just call it with single_set
2801 (find_and_remove_re): Pass curr_cand->expr instead of
2802 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2804 2012-01-26 Michael Matz <matz@suse.de>
2806 PR tree-optimization/46590
2807 * cfgexpand.c: Revert last change (r183305).
2808 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2810 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2811 checking for emptiness.
2813 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2816 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2817 non-addressable non-BLKmode base correctly.
2819 2012-01-26 Michael Matz <matz@suse.de>
2821 PR tree-optimization/48794
2822 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2823 regions referenced from RESX/EH_DISPATCH.
2825 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2827 * config/s390/s390.h: Make BRANCH_COST an option.
2828 * config/s390/s390.opt: New option -mbranch-cost.
2830 2012-01-26 Richard Henderson <rth@redhat.com>
2832 Revert 2012-01-24 change:
2833 * trans-mem.c (requires_barrier): Do not instrument thread local
2834 variables and emit save/restore for them.
2836 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2839 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2842 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
2844 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2847 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
2850 Rename __pgm to __flash.
2851 Rename __pgm1 to __flash1.
2852 Rename __pgm2 to __flash2.
2853 Rename __pgm3 to __flash3.
2854 Rename __pgm4 to __flash4.
2855 Rename __pgm5 to __flash5.
2856 Rename __pgmx to __memx.
2857 * doc/extend.texi (AVR Named Address Spaces)
2858 Rename address space names as indicated above.
2859 * config/avr/avr.c (avr_addrspace): Ditto.
2861 * config/avr/avr-protos.h
2862 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2863 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2864 * config/avr/predicates.md: Ditto.
2865 * config/avr/avr.c Ditto, and
2866 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2867 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2869 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2870 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2871 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2872 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2873 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2874 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2875 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2876 * config/avr/avr.c: Ditto.
2877 * config/avr/avr.md: Ditto.
2879 2012-01-25 Jason Merrill <jason@redhat.com>
2882 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2884 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2886 PR tree-optimization/51987
2887 * tree-data-ref.c (get_references_in_stmt): Handle references in
2888 non-volatile GIMPLE_ASM.
2890 2012-01-25 Richard Guenther <rguenther@suse.de>
2892 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2893 bases are dereferenced.
2895 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2897 PR rtl-optimization/48374
2898 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2900 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2902 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2903 compute_data_dependences_for_loop returns false.
2904 * tree-parloops.c (loop_parallel_p): Likewise.
2906 2012-01-25 Richard Guenther <rguenther@suse.de>
2908 * tree.h (get_pointer_alignment_1): Declare.
2909 * builtins.c (get_pointer_alignment_1): New function.
2910 (get_pointer_alignment): Use it.
2912 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2914 PR rtl-optimization/48308
2915 * combine.c (enum undo_kind): Add UNDO_LINKS.
2916 (struct undo): Add member l to other_contents and where.
2917 (do_SUBST_LINK): New.
2919 (try_combine): Handle LOG_LINKS for the dummy i1 case.
2920 (undo_all): Handle UNDO_LINKS.
2922 2012-01-25 Richard Henderson <rth@redhat.com>
2924 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2927 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2929 * optabs.c (gen_atomic_test_and_set): Use each argument.
2931 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2933 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2934 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2935 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2936 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2937 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2938 TARGET_PAIRED_SINGLE_FLOAT.
2940 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2942 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2943 (in_struct, return_val): Remove MEM documentation.
2944 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2945 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2946 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2948 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2949 * cfgexpand.c (add_alias_set_conflicts): Likewise.
2950 * expr.c (store_field): Likewise.
2951 * function.c (assign_stack_temp_for_type): Likewise.
2952 * ifcvt.c (noce_try_cmove_arith): Likewise.
2953 * reload1.c (reload): Likewise.
2954 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2955 (alpha_set_memflags): Likewise.
2956 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2958 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2960 * rtl.h (true_dependence, canon_true_dependence): Remove varies
2962 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2963 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2964 (true_dependence_1, true_dependence, canon_true_dependence): Remove
2966 * cselib.c (cselib_rtx_varies_p): Delete.
2967 (cselib_invalidate_mem): Update call to canon_true_dependence.
2968 * dse.c (record_store, check_mem_read_rtx): Likewise.
2969 (scan_reads_nospill): Likewise.
2970 * cse.c (check_dependence): Likewise.
2971 (cse_rtx_varies_p): Delete.
2972 * expr.c (safe_from_p): Update call to true_dependence.
2973 * ira.c (validate_equiv_mem_from_store): Likewise.
2974 (memref_referenced_p): Likewise.
2975 * postreload-gcse.c (find_mem_conflicts): Likewise.
2976 * sched-deps.c (sched_analyze_2): Likewise.
2977 * store-motion.c (load_kills_store): Likewise.
2978 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2979 * gcse.c (mems_conflict_for_gcse_p): Likewise.
2980 (compute_transp): Update call to canon_true_dependence.
2982 2012-01-25 Richard Henderson <rth@redhat.com>
2984 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2985 (maybe_emit_atomic_test_and_set): New.
2986 (expand_sync_lock_test_and_set): Use it.
2987 (expand_atomic_test_and_set): Likewise.
2988 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2989 the implementation; clarify implementation defined details.
2990 * doc/md.texi (atomic_test_and_set): Document.
2992 2012-01-25 Richard Henderson <rth@redhat.com>
2994 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2996 2012-01-25 Richard Henderson <rth@redhat.com>
2999 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
3000 to effect no-op split.
3002 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
3005 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
3006 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
3007 (BT_FN_VOID_PTR_INT_SIZE): New.
3008 (BT_FN_UINT_UINT_VAR): Remove.
3009 (BT_FN_UINT32_UINT32_VAR): New.
3010 (BT_FN_DOUBLE_VPTR): Remove.
3011 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
3013 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
3014 (_ITM_changeTransactionMode): Same.
3015 (_ITM_memmoveRtWt): Change return type to void.
3016 (_ITM_memcpyRtWt): Same.
3017 (_ITM_memsetW): Same.
3018 (_ITM_RaRD): Change types to double.
3023 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
3025 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
3026 Patrick Marlier <patrick.marlier@gmail.com>
3028 * trans-mem.c (requires_barrier): Do not instrument thread local
3029 variables and emit save/restore for them.
3031 2012-01-24 Jason Merrill <jason@redhat.com>
3034 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
3035 output static aliases.
3037 2012-01-24 Jakub Jelinek <jakub@redhat.com>
3040 * common.opt (-pie, -shared, pie, shared): Change from Common to
3042 * gcc.c (display_help): Display help for -pie and -shared.
3044 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
3047 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
3048 Remove note on size/offset limitation.
3049 (AVR Variable Attributes): Add example how to read data located
3050 with progmem. Refer to named address spaces.
3051 * doc/invoke.texi (AVR Options): Fix typo.
3053 2012-01-24 Richard Guenther <rguenther@suse.de>
3055 Forward-port to trunk
3056 2010-09-21 Jakub Jelinek <jakub@redhat.com>
3059 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
3060 op0 isn't sufficiently aligned and there is movmisalignM
3061 insn for mode, use it to load op0 into a temporary register.
3063 2012-01-24 Jakub Jelinek <jakub@redhat.com>
3066 * target.def (const_not_ok_for_debug_p): New hook.
3067 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
3069 * doc/tm.texi: Regenerated.
3070 * dwarf2out.c (const_ok_for_output_1): If
3071 targetm.const_not_ok_for_debug_p returns true, fail.
3072 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
3074 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
3076 2012-01-23 Kai Tietz <ktietz@redhat.com>
3079 * config/i386/predicates.md (symbolic_operand): Allow
3080 UNSPEC_PCREL as PIC expression for lea.
3081 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
3082 * config/i386/i386.c (ix86_delegitimize_address): Handle
3083 UNSPEC_PCREL for none-MEM, too.
3085 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
3087 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
3088 (ipa_tm_create_version_alias): Same.
3090 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
3093 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
3094 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
3096 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
3097 Patrick Marlier <patrick.marlier@gmail.com>
3098 Iain Sandoe <developer@sandoe-acoustics.co.uk>
3101 * lto-wrapper.c (run_gcc): Pass the LTO section name to
3102 simple_object_start_read.
3104 2012-01-23 Richard Guenther <rguenther@suse.de>
3107 PR tree-optimization/51895
3108 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
3109 parameter decomposition into BLKmode components.
3111 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
3113 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
3114 fake variables for restrict-qualified pointers whose pointed-to type
3115 contains a placeholder.
3117 2012-01-23 Richard Guenther <rguenther@suse.de>
3119 PR tree-optimization/51949
3120 * ipa-split.c (execute_split_functions): Do not split malloc functions.
3122 2012-01-23 Jakub Jelinek <jakub@redhat.com>
3124 PR rtl-optimization/51933
3125 * ree.c (transform_ifelse): Return true right away if dstreg is
3126 already wider or equal to cand->mode.
3127 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
3128 (make_defs_and_copies_lists): Remove defs_list and copies_list
3129 arguments, add state argument, just truncate state->work_list
3130 instead of always allocating and freeing the vector. Assert that
3131 get_defs succeeds instead of returning 2. Changed return type to bool.
3132 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
3133 have ext_src_mode, see if it has been modified already with the
3134 right kind of extension and has been extended before from the
3135 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
3136 just return true. Remember the original mode in state->modified array.
3137 (combine_reaching_defs): Add state argument. Don't allocate and
3138 free here def_list, copied_list and vec vectors, instead just
3139 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
3140 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
3141 Add state variable, clear vectors in it, initialize state.modified
3142 if needed. Free all the vectors at the end and state.modified too.
3143 Don't skip a candidate if the extension expression has been modified.
3145 2012-01-22 Douglas B Rupp <rupp@gnat.com>
3148 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
3149 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
3150 (extra_options) interix.opt -> i386/interix.opt"
3151 (extra_objs):Add winnt-stubs.o
3152 * configure.ac: Add interix to target_os .comm on PE check.
3153 * configure: Regenerate.
3154 * config/interix3.h: Delete and move bits to..
3155 * config/interix.h: Delete and move bits to..
3156 * config/i386/i386-interix3.h: Delete and move bits to..
3157 * config/i386/i386-interix.h: ..here.
3158 (TARGET_CPU_DEFAULT): Remove redefinition.
3159 (TARGET_ASM_CONSTRUCTOR): Undefine.
3160 (SUBTARGET_SWITCHES): Define for ms-bitfields.
3161 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
3162 (PTRDIFF_TYPE): Define.
3163 (LONG_DOUBLE_TYPE_SIZE): Define.
3164 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
3165 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
3166 (TARGET_SECTION_TYPE_FLAGS): Define.
3167 (ASM_DECLARE_FUNCTION_NAME): Define.
3168 (ASM_OUTPUT_EXTERNAL): Define.
3169 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
3170 (ASM_OUTPUT_ALIGNED_BSS): Define.
3171 (PCC_BITFIELD_TYPE_MATTERS): Define.
3172 (USE_CONST_SECTION): Define.
3173 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
3174 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
3175 (SUPPORTS_ONE_ONLY): Remove.
3176 (I386_PE_STRIP_ENCODING): Define.
3177 * config/interix.opt: Delete and move bits to..
3178 * config/i386/interix.opt: ..here. New.
3179 (mpe-aligned-commons): Add.
3180 * config/i386/t-interix: Add copyright header.
3181 (winnt-stubs.o): Add rule.
3183 2012-01-22 Jason Merrill <jason@redhat.com>
3186 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
3187 for extra name aliases.
3189 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
3191 PR rtl-optimization/51924
3192 * ree.c (combine_set_extension): Improve debugging message.
3193 (combine_reaching_defs): Likewise.
3194 (get_defs): Rename confusingly named variable.
3195 (find_and_remove_re): Skip a candidate if the extension expression has
3198 2012-01-21 Robert Millan <rmh@gnu.org>
3199 Gerald Pfeifer <gerald@pfeifer.com>
3201 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
3202 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
3204 2012-01-20 Jakub Jelinek <jakub@redhat.com>
3206 PR tree-optimization/51914
3207 * tree-vect-stmts.c (vectorizable_conversion): For
3208 cvt_type && modifier == WIDEN, put temporary with cvt_type
3209 at the beginning of vec_dsts and set vec_dest to temporary
3212 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
3214 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
3216 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
3218 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
3219 * config/rs6000/rs6000.c: Likewise.
3221 2012-01-20 Jakub Jelinek <jakub@redhat.com>
3224 * config/arm/arm.c (arm_count_output_move_double_insns): Call
3225 output_move_double on a copy of operands array.
3227 2012-01-20 Cary Coutant <ccoutant@google.com>
3228 Dodji Seketeli <dodji@redhat.com>
3231 * dwarf2out.c (copy_declaration_context): Return ref to parent
3232 of declaration DIE, if necessary.
3233 (remove_child_or_replace_with_skeleton): Add new parameter; update
3234 caller. Place skeleton DIE under parent DIE of original declaration.
3235 Move call to copy_declaration_context to here ...
3236 (break_out_comdat_types): ... from here.
3238 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3240 PR rtl-optimization/51856
3241 * reload.c (find_reloads_subreg_address): Set the address_reloaded
3244 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3247 * config/arm/arm.c (arm_print_operand): Correct output of alignment
3248 hints for neon loads and stores.
3250 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
3254 * doc/extend.texi (Named Address Spaces): Split into subsections.
3255 (AVR Named Address Spaces): New subsection.
3256 (M32C Named Address Spaces): New subsection.
3257 (RL78 Named Address Spaces): New subsection.
3258 (SPU Named Address Spaces): New subsection.
3259 (Variable Attributes): New anchor "AVR Variable Attributes".
3260 (AVR Variable Attributes): Rewrite and avoid wording
3261 "address space" in this context.
3262 * doc/invoke.texi (AVR Options): Rewrite and add documentation
3263 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
3264 (AVR Built-in Macros): New subsubsection therein.
3265 * doc/md.texi (AVR constraints): Remove "C04", "R".
3267 2012-01-20 Richard Guenther <rguenther@suse.de>
3269 PR tree-optimization/51903
3270 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
3271 when removing stmts.
3273 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3276 * config/arm/arm.c (arm_load_pic_register): Use
3277 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
3278 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
3279 (arm_pic_static_addr): Likewise.
3280 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
3281 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
3282 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
3283 (pic_load_addr_unified): New.
3285 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
3288 * function.c (instantiate_virtual_regs_in_insn): Use
3289 delete_insn_and_edges when removing a wrong asm insn.
3291 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
3293 PR rtl-optimization/40761
3294 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
3295 Add new member loop_num.
3296 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
3297 (ira_build): Remove the parameter.
3299 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
3300 (ira.c): Do not build CFG loops for one region allocation. Remove
3301 argument from ira_build call.
3303 * ira-build.c (init_loop_tree_node): New function.
3304 (create_loop_tree_nodes): Use it. Separate the case when CFG
3305 loops are not built.
3306 (more_one_region_p): Check current_loops.
3307 (finish_loop_tree_nodes): Separate the case when CFG loops are not
3309 (add_loop_to_tree): Process loop equal to NULL too.
3310 (form_loop_tree): Separate the case when CFG loops are not built.
3311 Use explicitly number for the root.
3312 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
3314 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
3315 instead of loop->num.
3316 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
3317 (mark_all_loops_for_removal): Ditto.
3318 (remove_unnecessary_regions): Separate the case when CFG loops
3320 (ira_build): Remove the parameter. Use explicit number of regions
3321 when CFG loops are not built.
3323 * ira-color.c (print_loop_title): Separate the case for the root node.
3324 Use loop_num instead of loop->num.
3325 (move_spill_restore): Use loop_num instead of loop->num.
3327 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
3328 (change_loop): Ditto.
3329 (change_loop): Use loop_num instead of loop->num.
3331 * ira-lives.c (process_bb_node_lives): Ditto.
3333 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
3335 * ira-conflicts.c (print_allocno_conflicts): Ditto.
3337 2012-01-19 Jakub Jelinek <jakub@redhat.com>
3340 * tree-mudflap.c (mf_artificial): New function.
3341 (execute_mudflap_function_ops, execute_mudflap_function_decls,
3342 mx_register_decls, mudflap_enqueue_decl): Use it.
3345 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
3346 numbers in the insn pattern.
3348 2012-01-19 Michael Matz <matz@suse.de>
3350 PR tree-optimization/46590
3351 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
3352 use it in remembering which conflicts we already created.
3353 (add_scope_conflicts): Adjust call to above, (de)allocate helper
3356 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
3359 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
3360 (merge_and_complain): Same.
3362 2012-01-19 Jakub Jelinek <jakub@redhat.com>
3365 * config/initfini-array.h: Guard content of the header
3366 with #ifdef HAVE_INITFINI_ARRAY.
3367 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
3368 Add initfini-array.h to tm_file here.
3369 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
3370 * config.gcc: Don't add initfini-array.h to tm_file here.
3371 * configure: Regenerated.
3373 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
3375 PR rtl-optimization/51505
3376 * df-problems.c (df_kill_notes): New parameter live. Update comment.
3377 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
3378 (df_note_bb_compute): Update the call to df_kill_notes.
3380 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
3382 * trans-mem.c (requires_barrier): Remove call to is_global_var.
3384 2012-01-18 Richard Guenther <rguenther@suse.de>
3386 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
3387 of conversions to void *.
3389 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3390 Richard Sandiford <rdsandiford@googlemail.com>
3394 * optabs.h (simplify_expand_binop): Declare.
3395 * optabs.c (simplify_expand_binop): Make global.
3396 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
3397 endian targets if the source cannot be exactly covered by word
3400 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3403 * hard-reg-set.h (struct hard_reg_set_container): New type.
3404 * target.h (struct hard_reg_set_container): Forward declare.
3405 * target.def (set_up_by_prologue): New target hook.
3406 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
3407 * doc/tm.texi: Regenerated.
3408 * function.c (thread_prologue_and_epilogue_insns): Change
3409 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
3410 Call targetm.set_up_by_prologue on it.
3411 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
3412 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
3414 2012-01-17 Nick Clifton <nickc@redhat.com>
3416 * config/rx/rx.c (rx_can_use_simple_return): New function.
3417 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
3418 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
3420 2012-01-17 Richard Guenther <rguenther@suse.de>
3423 * expr.c (expand_assignment): Take address-space information
3424 from the address operand of MEM_REF and TARGET_MEM_REF.
3425 (expand_expr_real_1): Likewise.
3427 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3429 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
3430 reload dump is requested.
3432 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
3435 * trans-mem.c (requires_barrier): Call may_be_aliased.
3437 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3439 PR tree-optimization/51877
3440 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
3441 call arguments and fndecls compare equal, instead return false if they
3442 don't. Return true only if lhs1 and lhs2 are either both NULL, or
3443 both SSA_NAMEs that are valueized the same, or they satisfy
3446 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3448 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
3450 * configure: Regenerate.
3452 2012-01-16 Jan Hubicka <jh@suse.cz>
3456 * convert.c (convert_to_integer): Use fold_convert for
3457 converting an INTEGER_CST to integer type.
3459 2012-01-16 Jason Merrill <jason@redhat.com>
3462 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3464 2012-01-16 Jakub Jelinek <jakub@redhat.com>
3467 * config/s390/s390.c (s390_chunkify_start): Don't skip
3468 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
3469 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3470 If insn is followed by NOTE_INSN_VAR_LOCATION or
3471 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3472 Don't use location of note insns.
3474 PR tree-optimization/51865
3475 * tree-inline.c (tree_function_versioning): Call remap_decl
3476 on DECL_RESULT whenever it has VOID_TYPE_P type.
3478 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
3480 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3481 for calls to locally-binding MIPS16 functions if only the return
3482 type uses float regs.
3484 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
3485 Richard Sandiford <rdsandiford@googlemail.com>
3487 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3488 (SYMBOL_32_HIGH): Likewise.
3489 (mips_output_tls_reloc_directive): Declare.
3490 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3491 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3492 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3493 (mips_lo_relocs, mips_hi_relocs): Make extern.
3494 (mips16_stub_function): Move up file.
3495 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3496 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
3497 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
3498 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3499 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
3500 (mips_get_tp): Add MIPS16 support.
3501 (mips_legitimize_tls_address): Remove MIPS16 sorry().
3502 Generalize DTPREL and TPREL handling.
3503 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3504 Add MIPS16 TLS support.
3505 (mips_output_tls_reloc_directive): New function.
3506 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3507 * config/mips/predicates.md (symbolic_operand_with_high)
3508 (tls_reloc_operand): New predicates.
3509 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3510 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3511 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3512 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
3513 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3514 (*tls_get_tp_mips16_call_<mode>): Likewise.
3516 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
3518 PR rtl-optimization/51821
3519 * recog.c (peep2_find_free_register): Determine clobbered registers
3522 2012-01-14 Denis Chertykov <chertykov@gmail.com>
3525 * config/avr/avr-protos.h: Revert change of 2012-01-09.
3526 * config/avr/avr.c: Likewise.
3527 * config/avr/avr.h: Likewise.
3529 2012-01-13 Ian Lance Taylor <iant@google.com>
3532 * tree.h (TYPE_QUALS): Add cast to int.
3533 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3535 2012-01-13 Ian Lance Taylor <iant@google.com>
3537 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3538 comparing param_index to VEC_length result.
3540 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
3542 * c-decl.c: Do not include tree-mudflap.h
3543 * tree-optimize.c: Likewise.
3544 * Makefile.in: Update dependencies.
3546 2012-01-13 Richard Guenther <rguenther@suse.de>
3549 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3550 variable-sized result always use RSO.
3552 2012-01-12 DJ Delorie <dj@redhat.com>
3554 * cfgexpand.c (convert_debug_memory_address): Allow any valid
3555 pointer type, not just the default pointer type.
3557 2012-01-09 Richard Henderson <rth@redhat.com>
3558 Denis Chertykov <chertykov@gmail.com>
3561 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3562 * config/avr/avr.c (avr_can_eliminate): Simplify.
3563 (avr_initial_elimination_offset): Likewise.
3564 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3565 (expand_epilogue): Likewise.
3566 (avr_legitimize_address): Gut.
3567 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3568 (avr_hard_regno_nregs): New.
3569 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3570 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3571 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3572 add soft frame pointer.
3573 (CALL_USED_REGISTERS): Likewise.
3574 (REG_CLASS_CONTENTS): Likewise.
3575 (REGISTER_NAMES): Likewise.
3576 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3577 (HARD_FRAME_POINTER_REGNUM): New.
3578 (FRAME_POINTER_REGNUM): Use soft frame pointer.
3579 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3580 remove the HARD_FRAME_POINTER self-elimination.
3582 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
3585 * config/avr/avr.c (avr_encode_section_info): Test for absence of
3586 DECL_EXTERNAL when checking for initializers of progmem variables.
3588 2012-01-12 Ira Rosen <irar@il.ibm.com>
3590 PR tree-optimization/51799
3591 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3592 that the last operation is a type demotion.
3594 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
3596 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3597 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3599 2012-01-11 Jakub Jelinek <jakub@redhat.com>
3602 * combine.c (distribute_notes): If i3 is a noreturn call,
3603 allow old_size to be equal to args_size and make sure the
3604 noreturn call gets REG_ARGS_SIZE note.
3605 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3606 on noreturn calls even when the delta is 0.
3608 2012-01-11 Nathan Sidwell <nathan@acm.org>
3610 * gcov.c (STRING_SIZE): Remove.
3611 (generate_results): Erase annotations for source files with no
3612 coverage information.
3614 (output_lines): Use it.
3616 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3618 * gimple.h (gimplify_body): Remove first argument.
3619 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
3620 pointer set here, instead just pass DATA to walk_tree.
3621 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
3622 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3623 (unvisit_body): Likewise, but with unmark_visited.
3624 (gimplify_body): Remove BODY_P argument and adjust.
3625 (gimplify_function_tree): Adjust call to gimplify_body.
3626 * omp-low.c (finalize_task_copyfn): Likewise.
3628 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3630 * tree.h (build_function_decl_skip_args): Add boolean parameter.
3631 (build_function_type_skip_args): Delete.
3632 * tree.c (build_function_type_skip_args): Make static and add
3633 SKIP_RETURN parameter. Fix thinko in the handling of variants.
3634 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3635 pass it to build_function_type_skip_args.
3636 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3637 (tree_function_versioning): Likewise.
3638 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3639 build_function_decl_skip_args.
3640 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3641 and pass it to build_function_decl_skip_args/tree_function_versioning.
3642 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3643 * ipa-inline-transform.c (save_inline_function_body): Likewise.
3644 * trans-mem.c (ipa_tm_create_version): Likewise.
3645 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3646 * tree-inline.c (declare_return_variable): Remove always-true test.
3647 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
3648 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3649 * ipa-split.c (split_function): Skip the return value for the split
3650 part if it doesn't return.
3652 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3654 PR tree-optimization/49642
3655 * ipa-split.c (forbidden_dominators): New variable.
3656 (check_forbidden_calls): New function.
3657 (dominated_by_forbidden): Likewise.
3658 (consider_split): Check for forbidden dominators.
3659 (execute_split_functions): Initialize and free forbidden
3660 dominators info; call check_forbidden_calls.
3662 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3664 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3666 2012-01-11 Nick Clifton <nickc@redhat.com>
3668 * config/rx/rx.md (return): Define pattern.
3670 2012-01-11 Richard Guenther <rguenther@suse.de>
3672 * doc/extend.texi (malloc attribute): Adjust according to
3675 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
3676 Patrick Marlier <patrick.marlier@gmail.com>
3679 * trans-mem.c (get_cg_data): Traverse aliases if requested.
3680 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3681 (ipa_tm_note_irrevocable): Same.
3682 (ipa_tm_scan_irr_block): Same.
3683 (ipa_tm_decrement_clone_counts): Same.
3684 (ipa_tm_scan_irr_function): Same.
3685 (ipa_tm_create_version_alias): Same.
3686 (ipa_tm_create_version): Same.
3687 (ipa_tm_transform_calls_redirect): Same.
3688 (ipa_tm_transform_calls): Same.
3689 (ipa_tm_transform_transaction): Same.
3690 (ipa_tm_execute): Same.
3692 2012-01-10 Richard Guenther <rguenther@suse.de>
3695 * opts.c (common_handle_option): Handle -Werror.
3697 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
3699 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3702 2012-01-10 Jason Merrill <jason@redhat.com>
3704 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3707 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3709 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3710 supports R_386_TLS_GD_PLT reloc.
3711 (gcc_cv_as_ix86_tlsldmplt): Check if linker
3712 supports R_386_TLS_LDM_PLT reloc.
3713 * configure: Regenerate.
3714 * config.in: Regenerate.
3716 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
3719 Extend __pgmx semantics to linearize memory.
3720 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3721 determine if code comes inline or from libgcc.
3722 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3723 (movmem_qi, movmem_qi): Set constraint #2 to "n".
3724 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3725 (movmemx_qi, movmemx_hi): New insns.
3726 (xload_<mode>_libgcc): Rewrite to new insn condition.
3727 (xload_<mode>): Remove insns.
3728 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3729 cases that don't satisfy avr_xload_libgcc_p().
3730 (avr_addr_space_convert): Allow converting in any direction.
3731 (avr_addr_space_subset_p): Return always true.
3732 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3733 (avr_emit_movmemhi): Ditto.
3734 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3735 (avr_out_movmem): Ditto.
3736 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3737 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3738 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3739 (avr_encode_section_info): Encode 'progmem' in symbol flags.
3740 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3742 2012-01-10 Richard Guenther <rguenther@suse.de>
3744 PR tree-optimization/50913
3745 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3746 Require data-refs to be representable by Graphite with respect
3749 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
3751 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3752 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3754 2012-01-10 Tom de Vries <tom@codesourcery.com>
3756 PR rtl-optimization/51271
3757 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3758 handling annulled branch.
3760 2012-01-10 Richard Henderson <rth@redhat.com>
3762 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3763 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3764 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3765 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3766 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3767 arm_expand_vec_perm_const): New.
3768 * config/arm/arm-protos.h: Update.
3769 * config/arm/neon.md (UNSPEC_VCONCAT): New.
3770 (*neon_vswp<VDQX>): New.
3771 (neon_vcombine<VDX>): Use neon_split_vcombine.
3772 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3773 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3774 (vec_perm<VE>): New.
3776 2012-01-10 Richard Henderson <rth@redhat.com>
3778 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3779 use it if reload_completed.
3780 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3781 arm_output_asm_insn, arm_process_output_memory_barrier,
3782 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3783 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3784 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3785 arm_process_output_sync_insn, arm_output_sync_insn,
3786 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3787 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3788 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3789 (emit_unlikely_jump): New.
3790 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3791 (arm_split_atomic_op): New.
3792 * config/arm/arm-protos.h: Update.
3793 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3794 (struct arm_sync_generator): Remove.
3795 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3796 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3797 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3798 (VUNSPEC_LL, VUNSPEC_SC): New.
3799 (sync_result, sync_memory, sync_required_value, sync_new_value,
3800 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3801 (attr length): Don't use arm_sync_loop_insns.
3802 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3803 (movsfcc, movdfcc): Likewise.
3804 * config/arm/constraints.md (Ua): New.
3805 * config/arm/prediates.md (mem_noofs_operand): New.
3806 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3807 (sync_clobber, sync_t2_reqd): Remove.
3808 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3809 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3810 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3811 (arm_sync_compare_and_swap<SIDI>): Remove.
3812 (arm_sync_compare_and_swap<NARROW>): Remove.
3813 (arm_sync_lock_test_and_set<SIDI>): Remove.
3814 (arm_sync_lock_test_and_set<NARROW>): Remove.
3815 (arm_sync_new_<syncop><SIDI>): Remove.
3816 (arm_sync_new_<syncop><NARROW>): Remove.
3817 (arm_sync_new_nand<SIDI>): Remove.
3818 (arm_sync_new_nand<NARROW>): Remove.
3819 (arm_sync_old_<syncop><SIDI>): Remove.
3820 (arm_sync_old_<syncop><NARROW>): Remove.
3821 (arm_sync_old_nand<SIDI>): Remove.
3822 (arm_sync_old_nand<NARROW>): Remove.
3823 (*memory_barrier): Merge arm_output_memory_barrier.
3824 (atomic_compare_and_swap<QHSD>): New.
3825 (atomic_compare_and_swap<NARROW>_1): New.
3826 (atomic_compare_and_swap<SIDI>_1): New.
3827 (atomic_exchange<QHSD>): New.
3828 (cas_cmp_operand, cas_cmp_str): New.
3829 (atomic_op_operand, atomic_op_str): New.
3830 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3831 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3832 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3833 (arm_load_exclusive<NARROW>): New.
3834 (arm_load_exclusivesi, arm_load_exclusivedi): New.
3835 (arm_store_exclusive<QHSD>): New.
3837 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
3839 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3840 reload patterns if -mvsx-scalar-memory.
3842 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3843 generated, even -mno-vsx-scalar-double was used.
3844 (vsx_xscvdpsp_scalar): Likewise.
3845 (vsx_xscvspdp_scalar2): Likewise.
3847 2012-01-09 Tom de Vries <tom@codesourcery.com>
3848 Andrew Pinski <apinski@cavium.com>
3851 * reorg.c (fill_slots_from_thread): Don't speculate
3852 frame-related insns.
3854 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
3856 * sched-int.h (bb_note): Move to...
3857 * basic-block.h: ...here.
3858 * haifa-sched.c (bb_note): Move to...
3859 * cfgrtl.c: ...here.
3860 * function.c (next_block_for_reg): New function.
3861 (move_insn_for_shrink_wrap): Likewise.
3862 (prepare_shrink_wrap): Rewrite to use the above.
3864 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
3866 * gimple.c (is_gimple_non_addressable): Remove.
3867 * gimple.h: Remove is_gimple_non_addressable.
3868 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
3869 is_gimple_non_addressable.
3870 * trans-mem.c (expand_assign_tm): Same.
3872 2012-01-09 Richard Guenther <rguenther@suse.de>
3874 PR tree-optimization/51775
3875 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
3876 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
3878 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3880 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3882 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3884 2012-01-09 Richard Guenther <rguenther@suse.de>
3886 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
3888 2012-01-08 Jan Hubicka <jh@suse.cz>
3890 PR tree-optimize/51680
3891 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
3892 on when known_vals needs to be computed; cleanup.
3894 2012-01-08 Jan Hubicka <jh@suse.cz>
3896 PR tree-optimize/51694
3897 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
3899 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
3901 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
3902 for -std=c++98 and -std=c++11 too.
3904 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
3906 * cfgloop.c (cancel_loop): Add free() of bbs array.
3908 2012-01-07 Jan Hubicka <jh@suse.cz>
3910 PR tree-optimization/51600
3911 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
3912 that benefits small functions.
3914 2012-01-07 Jan Hubicka <jh@suse.cz>
3916 * ipa-inline.c (want_inline_small_function_p): Fix formating.
3918 2012-01-07 Jan Hubicka <jh@suse.cz>
3920 PR tree-optimization/51680
3921 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
3922 whose inlining reduce unit size.
3924 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
3927 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
3928 Add canonical node to containing_mem chain after the non-canonical
3929 one, even if there weren't any locs to propagate.
3930 (remove_useless_values): Keep only canonical values.
3931 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
3932 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
3933 canonicalize mem_chain elements that are not discarded.
3935 2012-01-06 Jakub Jelinek <jakub@redhat.com>
3938 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
3939 before emitting functions.
3941 PR gcov-profile/50127
3942 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
3943 clear_aux_for_blocks.
3945 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
3948 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
3950 2012-01-06 Arnaud Charlet <charlet@adacore.com>
3952 * c-decl.c (ext_block): Moved up.
3953 (collect_all_refs, for_each_global_decl): Take ext_block into account.
3955 2012-01-06 Han Shen <shenhan@google.com>
3957 Translate built-in include paths for sysroot.
3958 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
3959 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
3961 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
3962 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
3964 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
3965 control whether sysroot should be prepended to gxx include dir.
3967 * configure: Regenerate.
3969 2012-01-06 Torvald Riegel <triegel@redhat.com>
3971 PR rtl-optimization/51771
3972 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
3973 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
3975 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3977 PR tree-optimization/51315
3978 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
3979 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
3981 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
3984 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
3985 for shrp pattern. Correctly handle and fixup shift variable.
3986 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
3988 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3991 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
3992 note when !ACCUMULATE_OUTGOING_ARGS.
3994 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3996 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
3998 (extract_range_from_unary_expr_1): Avoid useless computations.
4000 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4002 PR rtl-optimization/51767
4003 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
4004 of jump_block and add an extra edge for degenerated asm gotos.
4007 * stmt.c (check_unique_operand_names): Don't ICE during error
4008 reporting if i is from labels chain.
4011 * profile.c (branch_prob): Split bbs that have exit edge
4012 and need a fake entry edge too.
4014 2012-01-05 Jan Hubicka <jh@suse.cz>
4017 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
4020 2012-01-05 Richard Guenther <rguenther@suse.de>
4023 * tree-streamer-out.c (write_ts_optimization): New function.
4024 (streamer_write_tree_body): Call it.
4025 * tree-streamer-in.c (lto_input_ts_optimization): New function.
4026 (streamer_read_tree_body): Call it.
4027 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
4029 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4032 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
4033 * gimplify.c (gimplify_cleanup_point_expr): Save and set
4034 in_cleanup_point_expr before gimplify_stmt call and restore it
4036 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
4037 in_cleanup_point_expr is false.
4039 2012-01-05 Richard Guenther <rguenther@suse.de>
4042 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
4044 * toplev.c (process_options): Reject combining mudflap and LTO.
4045 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
4047 2012-01-05 Richard Guenther <rguenther@suse.de>
4049 PR tree-optimization/51760
4050 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
4052 (bit_value_unop): Handle UNDEFINED operands.
4053 (bit_value_binop): Likewise.
4055 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
4057 * config/avr/avr.c (avr_replace_prefix): Remove.
4058 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
4059 (avr_asm_function_rodata_section): Ditto.
4060 (avr_asm_select_section): Ditto.
4062 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
4064 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
4067 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4070 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
4071 calls that have any non-fake successor edges.
4074 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
4076 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
4078 PR tree-optimization/51624
4079 * tree-sra.c (build_ref_for_model): When replicating a chain of
4080 COMPONENT_REFs, stop as soon as the offset would become negative.
4082 2012-01-04 Jakub Jelinek <jakub@redhat.com>
4085 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
4086 in .debug_loc on the floor.
4088 2012-01-04 Andrew Pinski <apinski@cavium.com>
4090 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
4092 2012-01-04 Andrew Pinski <apinski@cavium.com>
4093 Adam Nemet <anemet@caviumnetworks.com>
4095 * config/mips/mips.md (size): Add SI and DI.
4096 (SIZE): New mode attribute.
4097 (U): New code attribute.
4098 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
4099 (mips_lbux_<mode>): Delete.
4100 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
4101 (mips_lhx): Use gen_mips_lhx_extsi.
4102 (mips_lhx_<mode>): Delete.
4104 (mips_l<size>x): New expand.
4105 (mips_lwx_<mode>): Delete.
4106 (mips_l<GPR:size>x_<P:mode>): New pattern.
4107 (*mips_lw<u>x_<P:mode>_ext): Likewise.
4108 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
4109 * config/mips/mips.c (mips_lx_address_p): New function.
4110 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
4111 (dsp64): New availability predicate.
4112 (mips_builtins): Add an entry for __builtin_mips_ldx.
4113 * config/mips/mips.h (ISA_HAS_LBX): New define.
4114 (ISA_HAS_LBUX): Likewise.
4115 (ISA_HAS_LHX): Likewise.
4116 (ISA_HAS_LHUX): Likewise.
4117 (ISA_HAS_LWX): Likewise.
4118 (ISA_HAS_LWUX): Likewise.
4119 (ISA_HAS_LDX): Likewise.
4120 * doc/extend.texi (__builtin_mips_ldx): Document.
4122 2012-01-04 Tristan Gingold <gingold@adacore.com>
4124 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
4125 when long pointers are used.
4126 * config.build (*-*-*vms*): Handle all OpenVMS targets.
4127 (alpha64-dec-*vms*, alpha*-dec-*vms*)
4128 (ia64-hp-*vms*): Remove.
4129 * config/vms/xm-vms64.h: Delete.
4131 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4134 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
4136 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4138 * opts.c (finish_options): Remove duplicate sorry.
4140 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4143 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
4146 2012-01-04 Richard Guenther <rguenther@suse.de>
4149 * tree.c (size_low_cst): New function.
4150 * tree.h (size_low_cst): Declare.
4151 * fold-const.c (fold_comparison): Use it to extract the low
4152 part of the POINTER_PLUS_EXPR offset.
4154 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
4156 Fix clearing ZERO_REG
4157 * config/avr/avr.md (cc): Add alternative "ldi".
4158 (movqi_insn): Use it in cc attribute.
4159 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
4160 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
4161 (output_reload_insisf): Use ZERO_REG to pre-clear register.
4163 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4165 * configure: Regenerate.
4167 2012-01-04 Richard Guenther <rguenther@suse.de>
4169 PR tree-optimization/49651
4170 * tree-ssa-structalias.c (type_can_have_subvars): New function.
4171 (var_can_have_subvars): Use it.
4172 (get_constraint_for_1): Only consider subfields if there can be any.
4174 2012-01-03 Jakub Jelinek <jakub@redhat.com>
4177 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
4178 to its new canonical_cselib_val and the cselib_val was in
4179 first_containing_mem chain, but the canonical_cselib_val was not,
4180 add the latter into the chain.
4181 (cselib_invalidate_mem): Compare canonical_cselib_val of
4182 addr_list chain elt with v.
4185 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
4186 dwarf2out_undef): Allocate e.info using ggc_strdup instead
4188 (output_macinfo_op): Don't ggc_strdup fd->filename.
4189 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
4190 then ggc_strdup it. Don't free inc->info or cur->info.
4191 (output_macinfo): Don't free ref->info or file->info.
4193 2012-01-03 Ira Rosen <irar@il.ibm.com>
4195 PR tree-optimization/51269
4196 * tree-vect-loop-manip.c (set_prologue_iterations): Make
4197 first_niters a pointer.
4198 (slpeel_tree_peel_loop_to_edge): Likewise.
4199 (vect_do_peeling_for_loop_bound): Update call to
4200 slpeel_tree_peel_loop_to_edge.
4201 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
4202 here. Remove it from the parameters list.
4203 (vect_do_peeling_for_alignment): Update calls and compute
4206 2012-01-03 Richard Guenther <rguenther@suse.de>
4208 PR tree-optimization/51070
4209 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
4210 Properly handle calls.
4212 2012-01-03 Richard Guenther <rguenther@suse.de>
4214 PR tree-optimization/51692
4215 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
4216 the LHS of allocation stmts.
4218 2012-01-03 Olivier Hainque <hainque@adacore.com>
4220 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
4222 2012-01-03 Olivier Hainque <hainque@adacore.com>
4224 * collect2.c (main): In AIX specific computations for vector
4225 insertions, use CONST_CAST2 to cast from char ** to const char **.
4227 2012-01-03 Richard Guenther <rguenther@suse.de>
4230 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
4231 the context of a limbo DIE when it does not already exist.
4233 2012-01-03 Jakub Jelinek <jakub@redhat.com>
4235 PR tree-optimization/51719
4236 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
4237 but direct call is, clear direct call's lhs and don't add fallthrough
4238 edge from dcall_bb to join_bb and PHIs.
4240 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4242 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
4243 the instructions emitted by the pattern.
4244 ("*TDC_insn_<mode>"): Add comment.
4246 2012-01-03 Richard Guenther <rguenther@suse.de>
4249 * fold-const.c (fold_comparison): Properly canonicalize
4250 tree offset and HOST_WIDE_INT bit position.
4252 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
4254 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
4255 operands for extzv pattern.
4257 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4260 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
4263 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
4265 * doc/invoke.texi (-flto and related options): Copy-edit.
4267 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4269 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
4271 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4273 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
4276 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4278 * expr.h (move_by_pieces_ninsns): Declare.
4279 * expr.c (move_by_pieces_ninsns): Make external.
4280 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
4281 (mips_store_by_pieces_p): Likewise.
4282 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
4283 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
4284 * config/mips/mips.c (mips_move_by_pieces_p): New function.
4285 (mips_store_by_pieces_p): Likewise.
4287 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4289 * passes.c (register_one_dump_file): Free full_name.
4291 * reload1.c (reload): Don't allocate reg_max_ref_width here.
4292 (calculate_elim_costs_all_insns): Free offsets_at and
4293 offsets_known_at at the end and clear the pointers.
4295 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4297 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
4298 this option introduced in r180739.
4300 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4303 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
4304 (tmake_file target=avr): Add avr/t-multilib.
4306 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
4307 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
4308 * config/avr/genmultilib.awk: New file.
4309 * config/avr/t-multilib: New auto-generated file.
4310 * config/avr/multilib.h: New auto-generated file.
4311 * config/avr/t-avr (AVR_MCUS): New variable.
4312 (genopt.sh): Use it.
4313 (s-mlib): Depend on t-multilib.
4314 (t-multilib, multilib.h): New dependencies.
4315 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
4316 (MULTILIB_OPTIONS): Remove.
4317 (MULTILIB_MATCHES): Remove.
4318 (MULTILIB_DIRNAMES): Remove.
4319 (MULTILIB_EXCEPTIONS): Remove:
4320 * config/avr/genopt.sh: Don't use hard coded file name;
4321 pass AVR_MCUS from t-avr instead.
4323 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4325 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
4327 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4329 Implement light-weight DImode support.
4330 * config/avr/avr-dimode.md: New file.
4331 * config/avr/avr.md: Include it.
4332 (adjust_len): Add plus64, compare64.
4333 (HIDI): Remove code iterator.
4334 (code_stdname): New code attribute.
4335 (rotx, rotsmode): Remove DI.
4336 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
4338 * config/avr/avr-protos.h (avr_have_dimode): New.
4339 (avr_out_plus64, avr_out_compare64): New.
4340 * config/avr/avr.c (avr_out_compare): Handle DImode.
4341 (avr_have_dimode): New variable definition and initialization.
4342 (avr_out_compare64, avr_out_plus64): New functions.
4343 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
4344 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
4345 (avr_compare_pattern): Skip DImode comparisons.
4347 2012-01-02 Revital Eres <revital.eres@linaro.org>
4349 * ddg.c (def_has_ccmode_p): New function.
4350 (add_cross_iteration_register_deps,
4351 create_ddg_dep_from_intra_loop_link): Call it.
4353 2012-01-02 Richard Guenther <rguenther@suse.de>
4356 * invoke.texi (fassociative-math): Remove spurious paranthesis.
4358 2012-01-01 Jakub Jelinek <jakub@redhat.com>
4360 * gcc.c (process_command): Update copyright notice dates.
4361 * gcov.c (print_version): Likewise.
4362 * gcov-dump.c (print_version): Likewise.
4363 * mips-tfile.c (main): Likewise.
4364 * mips-tdump.c (main): Likewise.
4366 2012-01-01 Ira Rosen <irar@il.ibm.com>
4368 PR tree-optimization/51704
4369 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
4370 a use is inside the basic block or loop before accessing its vect info.
4372 2012-01-01 Jan Hubicka <jhjh@suse.cz>
4374 PR rtl-optimization/51069
4375 * cfgloopmanip.c (remove_path): Removing path making irreducible
4376 region unconditional makes BB part of the region.
4378 2012-01-01 Jakub Jelinek <jakub@redhat.com>
4380 PR tree-optimization/51683
4381 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
4382 calls with side-effects.
4383 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
4385 Copyright (C) 2012 Free Software Foundation, Inc.
4387 Copying and distribution of this file, with or without modification,
4388 are permitted in any medium without royalty provided the copyright
4389 notice and this notice are preserved.