1 2012-05-13 Uros Bizjak <ubizjak@gmail.com>
4 2012-05-12 Uros Bizjak <ubizjak@gmail.com>
6 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
7 ORDERED and UNORDERED conditions.
9 2012-05-12 Eric Botcazou <ebotcazou@adacore.com>
11 * function.c (requires_stack_frame_p): If the function can throw
12 non-call exceptions, return true if the insn can throw internally.
14 2012-05-10 Eric Botcazou <ebotcazou@adacore.com>
16 * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
17 DECL_ORIGINAL_TYPE if it is present.
19 2012-05-09 Georg-Johann Lay <avr@gjlay.de>
21 Backport from 2012-05-12 mainline r187342.
24 * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
25 * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
26 * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
27 * config/avr/avr.c (avr_asm_declare_function_name): Remove.
28 (expand_prologue): Move initialization of cfun->machine->is_naked,
29 is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
30 (avr_set_current_function): ...this new static function.
31 (TARGET_SET_CURRENT_FUNCTION): New define.
32 (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
33 checking attributes of current_function_decl.
34 (avr_regs_to_save): Ditto.
35 (signal_function_p): Rename to avr_signal_function_p.
36 (interrupt_function_p): Rename to avr_interrupt_function_p.
38 * doc/extend.texi (Function Attributes): Better explanation of
39 'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
42 2012-05-09 Matthias Klose <doko@ubuntu.com>
44 * gcc-ar.c (main): Don't check for execute bits for the plugin.
46 2012-05-08 Hans-Peter Nilsson <hp@axis.com>
49 * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
50 when a constant source operand matches an "I" constraint, the "no
51 CC0 change" applies to a register-destination only, not a
52 strict_low_part-destination.
54 2012-05-07 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
56 Backport from mainline:
57 2012-04-19 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
59 * config/arm/sync.md (sync_optab): Change ior attribute to "or".
61 2012-05-07 Jakub Jelinek <jakub@redhat.com>
63 PR tree-optimization/53239
64 * tree-vrp.c (get_value_range): Set VR of
65 SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
68 2012-05-07 Richard Guenther <rguenther@suse.de>
70 PR tree-optimization/53195
71 * tree-inline.c (setup_one_parameter): Properly add referenced
72 vars from the parameters new known value.
74 2012-05-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
76 Backport from mainline:
77 2012-04-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
80 * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
83 2012-05-04 Ian Lance Taylor <iant@google.com>
85 * tree-vect-patterns.c (vect_single_imm_use): Correct return
86 values from false to NULL.
88 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
90 Backport from mainline
91 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
94 * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
95 (TARGET_CMOV): Rename from TARGET_CMOVE.
96 (TARGET_CMOVE): New define.
97 * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
98 Do not set TARGET_CMOVE here.
100 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
102 Backport from mainline:
104 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
106 PR tree-optimization/52633
107 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
108 vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
109 (vect_recog_over_widening_pattern): Remove handling of code that was
110 already detected as over-widening pattern. Remove special handling
111 of "unsigned" cases. Instead, support general case of conversion
112 of the shift result to another type.
114 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
116 * tree-vect-patterns.c (vect_single_imm_use): New function.
117 (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
118 (vect_recog_over_widening_pattern): Likewise.
119 (vect_recog_widen_shift_pattern): Likewise.
121 2012-04-10 Ulrich Weigand <ulrich.weigand@linaro.org>
123 PR tree-optimization/52870
124 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
125 presumed pattern statement is within the same loop or basic block.
127 2012-05-04 Richard Guenther <rguenther@suse.de>
129 * common.opt (flto-report): Do not mark as Optimization.
131 2012-05-04 Eric Botcazou <ebotcazou@adacore.com>
134 * recog.c (constrain_operands): If extra constraints are present, also
135 accept pseudo-registers with equivalent memory locations during reload.
137 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
139 Backport from the mainline
140 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
143 * config/rs6000/rs6000.md (bswapdi splitters): If
144 -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
145 default) is used, generate an alternate sequence that does not
146 depend on using indexed addressing.
148 2012-05-03 David S. Miller <davem@davemloft.net>
151 * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
152 MEM directly into a libcall, mark it's MEM_EXPR as addressable.
153 (sparc_emit_float_lib_cmp): Likewise.
155 2012-05-04 Martin Jambor <mjambor@suse.cz>
157 Backport from mainline
158 2012-05-02 Martin Jambor <mjambor@suse.cz>
161 * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
162 of a variable when the contect is a function.
164 2012-05-03 Jakub Jelinek <jakub@redhat.com>
167 * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
168 append program name to it and pass that as first argument
169 to make_relative_prefix. Always pass standard_libexec_prefix
170 as last argument to make_relative_prefix. If
171 make_relative_prefix returns NULL, fall back to
172 standard_libexec_prefix.
175 * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
179 * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
180 mode, return that mode.
182 2012-05-03 Richard Guenther <rguenther@suse.de>
184 PR tree-optimization/53144
185 * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
187 (vn_reference_lookup_or_insert_for_pieces): ... this. Properly deal
188 with SSA name values.
189 (vn_reference_lookup_3): Adjust callers.
191 2012-05-02 Jakub Jelinek <jakub@redhat.com>
193 PR tree-optimization/53163
194 * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
195 return value from compute_all_dependences.
197 PR rtl-optimization/53160
198 * ree.c (combine_reaching_defs): Handle the case where cand->insn
199 has been modified by ree pass already.
201 2012-05-01 Uros Bizjak <ubizjak@gmail.com>
203 Backport from mainline
204 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
207 * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
208 calls to cgraph_node_name in xstrdup.
209 (ipa_make_edge_direct_to_target): Ditto.
210 * tree-sra.c (convert_callers_for_node): Ditto.
211 * lto-symtab.c (lto_cgraph_replace_node): Ditto.
212 * ipa-cp.c (perhaps_add_new_callers): Ditto.
213 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
214 (cgraph_materialize_all_clones): Ditto.
215 * ipa-inline.c (report_inline_failed_reason): Ditto.
216 (want_early_inline_function_p): Ditto.
217 (edge_badness): Ditto.
218 (update_edge_key): Ditto.
219 (flatten_function): Ditto.
221 (inline_always_inline_functions): Ditto.
222 (early_inline_small_functions): Ditto.
224 2012-04-30 Andreas Tobler <andreast@fgznet.ch>
226 Backport from mainline
227 2012-03-21 Andreas Tobler <andreast@fgznet.ch>
229 * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
230 Introduce emul_name to select the right linker emulation for
231 powerpc64-*-freebsd*.
232 * configure: Regenerate.
233 * config.gcc: Add bits to support powerpc64-*-freebsd*.
234 * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
235 * config/rs6000/freebsd64.h: New file.
236 * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
238 (rs6000_savres_strategy): Likewise.
239 (rs6000_savres_routine_name): Likewise.
240 (rs6000_elf_file_end): Likewise.
241 * config/rs6000/t-freebsd64: New file.
242 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
243 rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
245 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
247 Backport from mainline
248 2012-04-27 Paolo Bonzini <bonzini@gnu.org>
251 * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
253 2012-04-30 Eric Botcazou <ebotcazou@adacore.com>
255 * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
256 predicate to discriminate types.
258 2012-04-27 Richard Guenther <rguenther@suse.de>
261 * convert.c (convert_to_integer): Avoid infinite recursion for
262 target-defined built-in types.
264 2012-04-26 Hans-Peter Nilsson <hp@axis.com>
267 * config/cris/cris.md ("*andhi_lowpart_v32")
268 ("*andqi_lowpart_v32"): Change first input-only operand from
269 a (match_operand ...) to (match_dup 0). Drop alternatives with
270 const_int-matching constraints for redundancy.
271 ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto. Drop
272 three-operand alternative.
274 2012-04-26 Uros Bizjak <ubizjak@gmail.com>
276 Backport from mainline
277 2012-04-23 Uros Bizjak <ubizjak@gmail.com>
279 * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
280 (*addsi_2_zext): Ditto.
281 (*add<mode>_3): Ditto.
282 (*addsi_3_zext): Ditto.
283 (*add<mode>_5): Ditto.
285 2012-04-25 Jakub Jelinek <jakub@redhat.com>
288 * c-typeck.c (set_nonincremental_init,
289 set_nonincremental_init_from_string): Pass true instead of false
290 as IMPLICIT to add_pending_init.
292 2012-04-24 Georg-Johann Lay <avr@gjlay.de>
294 Backport from 2012-04-24 mainline r186768.
297 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
299 2012-04-24 Richard Guenther <rguenther@suse.de>
301 PR tree-optimization/53085
302 * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
305 2012-04-24 Jakub Jelinek <jakub@redhat.com>
308 * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
310 (output_addressed_constants): Likewise.
313 * varasm.c (get_section): Don't ICE for section conflicts with
314 built-in section kinds.
316 2012-04-23 David Edelsohn <dje.gcc@gmail.com>
318 * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
320 2012-04-23 Georg-Johann Lay <avr@gjlay.de>
322 * doc/extend.texi (AVR Named Address Spaces): Fix typos.
324 2012-04-23 Richard Guenther <rguenther@suse.de>
327 * c-typeck.c (build_binary_op): Fix typo.
329 2012-04-23 Jakub Jelinek <jakub@redhat.com>
331 PR tree-optimizations/52891
332 * tree-vect-patterns.c (adjust_bool_pattern): Use
333 build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
334 but with non-standard precision.
336 2012-04-22 Ian Lance Taylor <iant@google.com>
338 * godump.c (go_output_typedef): Dump size of structs.
340 2012-04-20 Ulrich Weigand <ulrich.weigand@linaro.org>
342 Backport from mainline:
344 * config/arm/arm.c (arm_print_operand): Fix invalid alignment
345 hints for 'A' operand types.
347 2012-04-19 Georg-Johann Lay <avr@gjlay.de>
349 Backport from 2012-04-19 mainline r186588.
352 * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
355 2012-04-18 Uros Bizjak <ubizjak@gmail.com>
357 * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
359 2012-04-17 Uros Bizjak <ubizjak@gmail.com>
362 * config/i386/sync.md (atomic_<code><mode>): Rename to
363 atomic_<logic><mode>.
365 2012-04-16 Uros Bizjak <ubizjak@gmail.com>
367 Backport from mainline
368 2012-04-12 Uros Bizjak <ubizjak@gmail.com>
371 * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
372 argument type to __m256i. Update call to __builtin_ia32_permvarsf256.
373 * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
374 (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
375 * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
376 Update builtin type to V8SF_FTYPE_V8SF_V8SI.
377 (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
378 gen_avx2_permvarv8sf.
380 2012-04-16 Martin Jambor <mjambor@suse.cz>
382 Backported from mainline
384 2012-04-13 Martin Jambor <mjambor@suse.cz>
387 * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
388 fold_ctor_reference returns a zero constant.
390 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
392 Backported from mainline
393 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
395 * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
396 and __ILP32__ for x32.
398 2012-04-13 Tom de Vries <tom@codesourcery.com>
400 Backport from mainline r186418.
402 2012-04-13 Tom de Vries <tom@codesourcery.com>
404 * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
405 parameters vuse and vuse_escaped.
406 (find_duplicate): Init vuse1, vuse2 and vuse_escaped. Pass to
407 gsi_advance_bw_nondebug_nonlocal. Return if vuse_escaped and
410 2012-04-13 Richard Guenther <rguenther@suse.de>
412 PR tree-optimization/52969
413 * tree-if-conv.c (predicate_mem_writes): Properly gimplify
414 the condition for the COND_EXPR and handle predicate negation
415 by swapping the COND_EXPR arms.
417 2012-04-13 Richard Guenther <rguenther@suse.de>
420 * convert.c (convert_to_pointer): Remove special-casing of
423 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
425 Backport from mainline
426 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
429 * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
430 the list of options to enable the FCFID instruction.
431 (TARGET_EXTRA_BUILTINS): Adjust comment.
433 2012-04-12 Richard Guenther <rguenther@suse.de>
435 PR tree-optimization/52943
436 * tree-chrec.h (chrec_is_positive): Remove.
437 * tree-scalar-evolution.c (chrec_is_positive): Move ...
438 * tree-data-ref.c (chrec_is_positive): ... here. Make static.
439 Return false for a constant zero instead of negative.
440 (analyze_siv_subscript_cst_affine): Handle zero difference
441 in the initial condition explicitely.
443 2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
446 * varasm.c (process_pending_assemble_externals): Set
447 pending_assemble_externals_processed true.
448 (assemble_external): Call assemble_external_real if the pending
449 assemble externals have been processed.
451 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
454 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
455 the DECL generated for the special GOT helper.
457 2012-04-06 Walter Lee <walt@tilera.com>
459 Backport from mainline
460 2012-03-07 Walter Lee <walt@tilera.com>
462 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
463 REG_CFA_* notes for the stack pointer.
464 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
465 EH_RETURN_STACKADJ_RTX.
466 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
467 generate REG_CFA_* notes for the stack pointer.
468 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
469 by EH_RETURN_STACKADJ_RTX.
471 2012-04-06 Matt Turner <mattst88@gmail.com>
473 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
475 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
477 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
478 of the destination isn't also a FP_REGS register.
480 2012-04-03 Richard Guenther <rguenther@suse.de>
482 Backport from mainline
483 2012-03-02 Richard Guenther <rguenther@suse.de>
485 PR tree-optimization/52406
486 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
487 (struct indices): Add unconstrained_base member.
488 (struct dr_alias): Remove unused vops member.
489 (DR_UNCONSTRAINED_BASE): New define.
490 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
491 add indices to allow their disambiguation. Make DR_BASE_OBJECT
492 be an artificial access that covers the whole indexed object,
493 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
494 plain decl base-objects to their MEM_REF variant.
495 (dr_may_alias_p): When the base-object of either data reference
496 has unknown size use only points-to information.
497 (compute_affine_dependence): Make dumps easier to read and
499 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
500 DR_REF when looking for packed references.
501 (vect_supportable_dr_alignment): Likewise.
503 2012-04-03 Richard Guenther <rguenther@suse.de>
505 Backport from mainline
506 2012-03-15 Richard Guenther <rguenther@suse.de>
509 * tree-data-ref.c (subscript_dependence_tester_1): Check
510 all dimensions for non-conflicting access functions.
512 2012-04-03 Richard Guenther <rguenther@suse.de>
514 Backport from mainline
515 2012-03-06 Richard Guenther <rguenther@suse.de>
518 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
520 2012-03-23 Richard Guenther <rguenther@suse.de>
522 PR tree-optimization/52678
523 * tree-vectorizer.h (struct _stmt_vec_info): Add
524 loop_phi_evolution_part member.
525 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
526 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
527 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
528 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
529 Use the cached evolution part and the PHI nodes value from
530 the loop preheader edge instead of re-analyzing the evolution.
532 2012-03-26 Richard Guenther <rguenther@suse.de>
534 PR tree-optimization/52701
535 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
536 compute and set the evolution part of PHI nodes.
538 2012-03-30 Richard Guenther <rguenther@suse.de>
540 PR tree-optimization/52754
541 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
542 propagate arbitrary addresses into really plain dereferences.
544 2012-04-03 Jakub Jelinek <jakub@redhat.com>
546 PR tree-optimization/52835
547 * tree-data-ref.c (build_rdg): Return NULL if
548 compute_data_dependences_for_loop failed.
550 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
552 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
553 (stmt_can_make_abnormal_goto): Use it.
554 (is_ctrl_altering_stmt): Likewise.
556 2012-03-31 Martin Jambor <mjambor@suse.cz>
558 Backported from mainline
559 2012-03-30 Martin Jambor <mjambor@suse.cz>
561 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
562 is a builtin_stack_save in a dominating BB.
564 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
566 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
567 crossing 128bit lane boundary.
569 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
571 Backported from mainline
572 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
575 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
577 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
578 * config/i386/i386.c: Include reload.h.
579 (ix86_legitimize_reload_address): New function.
581 2012-03-28 Martin Jambor <mjambor@suse.cz>
583 Backported from mainline
584 2012-03-27 Martin Jambor <mjambor@suse.cz>
587 * tree-sra.c (sra_modify_assign): Do not call
588 load_assign_lhs_subreplacements when working with an unscalarizable
591 2012-03-28 Jakub Jelinek <jakub@redhat.com>
594 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
595 __builtin_va_start to __builtin_next_arg if the latter is
596 builtin_decl_explicit_p rather than when it is not.
599 * tree-vect-generic.c (vector_element): Perform multiplication
600 for pos in bitsizetype type instead of idx type.
602 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
604 Backport from 2012-03-28 mainline r185910.
607 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
608 (avr_builtin_decl): New static function.
609 (struct avr_builtin_description, avr_bdesc): Move up.
610 Add GTY marker. Add field fndecl. Remove redundant field id.
611 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
612 (avr_expand_builtin): Code cleanup because .id is removed.
614 2012-03-28 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
617 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
620 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
622 Backport from 2012-03-28 mainline r185907.
625 * config.gcc (tm_file): Remove avr/multilib.h.
627 * doc/invoke.texi (AVR Options): Adjust
628 documentation of -mtiny-stack.
630 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
631 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
632 * config/avr/t-avr: Remove generation of multilib.h.
633 * config/avr/t-multilib: Regenerate.
634 * config/avr/multilib.h: Remove.
635 * config/avr/avr.opt (-msp8): New option.
636 (avr_sp8): New variable.
637 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
638 * config/avr/avr.h (AVR_HAVE_SPH): New define.
639 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
640 (avr_device_to_sp8): New prototype.
641 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
642 (DRIVER_SELF_SPECS): New define.
643 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
644 __AVR_SP8__, __AVR_HAVE_SPH__.
645 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
646 AVR_HAVE_8BIT_SP to decide if SP_H is present.
647 (avr_file_start): Ditto.
649 2012-03-28 Jakub Jelinek <jakub@redhat.com>
652 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
653 instead of 8 in adjust_address.
655 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
657 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
658 of a unit before computing the offset in units.
660 2012-03-27 Richard Guenther <rguenther@suse.de>
663 * fold-const.c (try_move_mult_to_index): Handle &x.array more
666 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
669 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
671 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
674 * varasm.c: Include pointer-set.h.
675 (pending_assemble_externals_set): New pointer set.
676 (process_pending_assemble_externals): Destroy the pointer set.
677 (assemble_external): See if decl is in pending_assemble_externals_set,
678 and add it to pending_assemble_externals if necessary.
679 (init_varasm_once): Allocate pending_assemble_externals_set.
681 2012-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
683 Backported from mainline
684 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
687 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
688 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
689 (vector_ltgt<mode>): Likewise.
690 (vector_ordered<mode>): Likewise.
691 (vector_unordered<mode>): Likewise.
692 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
694 2012-03-23 Joern Rennecke <joern.rennecke@embecosm.com>
696 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
699 2012-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
701 Backported from mainline
702 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
706 * config/sh/sh.c (sh_register_move_cost): Increase cost between
707 GENERAL_REGS and FP_REGS for SImode.
709 2012-03-22 Jakub Jelinek <jakub@redhat.com>
712 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
713 on any new_local_var_chain vars declared during recursing on
714 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
716 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
718 Backport from 2012-03-22 mainline r185692.
721 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
722 (unspecv): Add UNSPECV_MEMORY_BARRIER.
723 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
724 (delay_cycles_1, delay_cycles_2): Ditto.
725 (delay_cycles_3, delay_cycles_4): Ditto.
726 (nopv, *nopv): Ditto.
727 (sleep, *sleep): Ditto.
730 Backport from 2012-03-21 mainline r185605.
732 PR rtl-optimization/52543
734 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
735 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
736 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
737 (avr_load_libgcc_p): Restrict to __flash loads.
738 (avr_out_lpm): Only handle 1-byte loads from __flash.
739 (avr_load_lpm): New function.
740 (avr_find_unused_d_reg): Remove.
741 (avr_out_lpm_no_lpmx): Remove.
742 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
743 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
744 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
745 (load_<mode>, load_<mode>_clobber): New insns.
746 (mov<mode>): For multi-byte move from non-generic
747 16-bit address spaces: Expand to load_<mode> resp.
749 (load<mode>_libgcc): Remove expander.
750 (split-lpmx): Remove split.
752 Backport from 2012-03-13 mainline r185329.
755 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
756 offset (size) to a value the insns can deal with.
757 (expand_epilogue): Ditto.
759 Backport from 2012-03-12 mainline r185256.
762 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
763 type from reg_class_t to enum reg_class.
764 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
766 Backport from 2012-03-12 mainline r185253.
769 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
770 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
771 r184615 from 2012-02-28.
773 Backport from 2012-03-08 mainline r185105.
775 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
776 for constants in [-63,63].
778 Backport from 2012-03-08 mainline r185100.
781 * config/avr/avr.c (avr_mem_clobber): New static function.
782 (avr_expand_delay_cycles): Add memory clobber operand to
783 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
784 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
785 (enable_interrupt, disable_interrupt): New expander.
786 (nopv, sleep, wdr): New expanders.
787 (delay_cycles_1): Add memory clobber.
788 (delay_cycles_2): Add memory clobber.
789 (delay_cycles_3): Add memory clobber.
790 (delay_cycles_4): Add memory clobber.
791 (cli_sei): New insn from former "enable_interrupt",
792 "disable_interrupt" with memory clobber.
793 (*wdt): New insn from former "wdt" with memory clobber.
794 (*nopv): Similar, but for "nopv".
795 (*sleep): Similar, but for "sleep".
797 Backport from 2012-03-07 mainline r185043.
800 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
802 Backport from 2012-03-07 mainline r185032.
805 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
806 to: RAMPZ, RAMPY, RAMPX, RAMPD.
807 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
809 Backport from 2012-03-07 mainline r185031.
812 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
814 * config/avr/avr.md (xload_8): Adjust insn length.
816 Backport from 2012-03-07 mainline r185030.
819 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
820 if RAMPZ affects reading from RAM.
822 Backport from 2012-03-05 mainline r184919.
824 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
826 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
828 Backport from mainline r185259.
831 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
832 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
834 2012-03-22 Jakub Jelinek <jakub@redhat.com>
836 Backported from mainline
837 2012-03-13 Jakub Jelinek <jakub@redhat.com>
840 * c-parser.c (c_parser_postfix_expression)
841 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
843 * config/i386/smmintrin.h: Avoid /* within a comment.
844 * config/i386/nmmintrin.h: Likewise.
846 2012-03-22 Richard Guenther <rguenther@suse.de>
848 * BASE-VER: Set to 4.7.1.
849 * DEV-PHASE: Set to prerelease.
851 2012-03-22 Release Manager
853 * GCC 4.7.0 released.
855 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
857 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
859 2012-03-15 Jakub Jelinek <jakub@redhat.com>
860 Andrew Pinski <apinski@cavium.com>
863 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
864 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
865 calls instead of __builtin_ir{int,ound}*.
867 2012-03-14 Jakub Jelinek <jakub@redhat.com>
870 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
873 2012-03-13 Joseph Myers <joseph@codesourcery.com>
875 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
876 Refer to GCC 4.7 version of c99status.html.
878 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
880 Backport from mainline
881 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
883 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
884 redefine to be NULL if the current bit-size is different from the
887 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
888 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
889 set the default tuning. Add asserts to make sure the cpu and tune
890 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
891 test whether the index is set, instead of > 0.
892 (rs6000_file_start): Do not reset the default cpu if the current
893 bit-size is different from the configured bit-size.
895 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
897 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
899 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
900 Update binutils references.
901 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
902 Update binutils reference.
903 Update Sun as/GNU ld caveat.
904 Document binutils largefile requirement for LTO plugin.
905 Remove reference to alternate libpthread.
907 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
909 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
911 (Specific, mips-sgi-irix6): Likewise.
913 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
915 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
916 * configure: Regenerate.
918 2012-03-07 Richard Henderson <rth@redhat.com>
920 * config/m68k/m68k.h (ISA_HAS_TAS): New.
921 * config/m68k/sync.md (atomic_test_and_set): Use it.
922 (atomic_test_and_set_1): Likewise.
924 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
927 * Makefile.in: Let install-gcc-ar depend on installdirs,
928 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
929 Don't double canonicalize if cross-compiling.
931 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
933 * trans-mem.c: New typedef for tm_region_p.
934 Define vector types for tm_region_p.
935 (tm_region_init): Replace region_worklist to a vector called
938 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
941 * trans-mem.c (tm_region_init): Use last_basic_block.
943 2012-03-05 Richard Henderson <rth@redhat.com>
946 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
947 * omp-low.c (expand_omp_atomic): Assume anything aligned to
948 BIGGEST_ALIGNMENT is aligned.
950 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
952 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
954 2012-03-05 Richard Henderson <rth@redhat.com>
957 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
958 instead of calling negqi2 directly.
960 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
962 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
963 (INTMAX_TYPE): Use it.
964 (UINTMAX_TYPE): Likewise.
965 (SUBTARGET_OVERRIDE_OPTIONS): Define.
966 (irix6_c_common_override_options): Declare.
967 (C_COMMON_OVERRIDE_OPTIONS): Define.
968 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
969 * config/mips/irix6-c.c: New file.
970 * config/mips/t-irix6 (irix6-c.o): New target.
971 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
974 2012-03-02 Richard Henderson <rth@redhat.com>
976 * optabs.c (expand_atomic_test_and_set): Honor
977 atomic_test_and_set_trueval even when atomic_test_and_set
980 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
982 Backport from mainline
983 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
985 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
987 2012-03-02 Richard Guenther <rguenther@suse.de>
989 * DEV-PHASE: Set to prerelease.
991 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
993 * config.gcc (obsolete): Add all ARM targets using the FPA.
994 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
995 * doc/install.texi: Avoid references to obsolete ARM ports.
997 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
999 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
1001 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
1002 Joern Rennecke <joern.rennecke@embecosm.com>
1004 * doc/extend.texi: Expand and update information on interrupt
1005 attribute for Epiphany.
1007 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1009 * config/sh/sh-protos.h: Update copyright notice dates.
1010 * config/sh/sh.h: Likewise.
1011 * config/sh/sh.md: Likewise.
1012 * config/sh/constraints.md: Likewise.
1013 * config/sh/predicates.md: Likewise.
1015 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1017 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1018 * config/sh/sh.c (tertiary_reload_operand): Likewise.
1020 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1022 * config/sh/constraints.md: Fix comment typo.
1024 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1027 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
1028 unsigned HOST_WIDE_INT.
1029 (zvdep_imm64): Likewise.
1030 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
1031 (vdepi_and): Likewise.
1032 Likewise for unamed 64-bit patterns.
1033 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
1035 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
1038 PR rtl-optimization/52417
1039 * cselib.c (cselib_any_perm_equivs): New variable.
1040 (cselib_reset_table): Check that it's not set when not
1041 preserving constants.
1042 (cselib_add_permanent_equiv): Set it.
1043 (cselib_have_permanent_equivalences): New.
1044 (cselib_init, cselib_finish): Reset it.
1045 * cselib.h (cselib_have_permanent_equivalences): Declare.
1046 * alias.c (get_addr): Restore earlier behavior when there
1047 aren't permanent equivalences.
1049 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
1051 * config/mn10300/mn10300-modes.def: Fix copyright notice.
1052 * config/v850/v850-modes.def: Fix copyright notice.
1054 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
1056 * doc/extend.texi (AVR Built-in Functions): Document
1057 __builtin_avr_flash_segment.
1059 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
1060 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
1061 (*split.flash_segment): New insn-and-split.
1062 * config/avr/avr.c (avr_init_builtins): Add local variables:
1063 const_memx_void_node, const_memx_ptr_type_node,
1064 char_ftype_const_memx_ptr.
1066 2012-03-01 Jakub Jelinek <jakub@redhat.com>
1068 PR tree-optimization/52445
1069 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
1070 add ssa_name_ver, offset and size fields and change store field
1072 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
1073 (add_or_mark_expr): Likewise. Only consider previous stores
1074 with the same size and offset.
1075 (nt_init_block): Only look at gimple_assign_single_p stmts,
1076 doesn't look at rhs2.
1078 2012-03-01 Richard Guenther <rguenther@suse.de>
1081 * tree-cfg.c (verify_gimple_assign_unary): Allow any
1082 conversions from integral types to pointer types.
1084 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
1086 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
1087 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
1088 unintentionally removed in r184616.
1090 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
1092 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
1095 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1096 Uros Bizjak <ubizjak@gmail.com>
1099 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
1100 alternatives, add "e" constraint to the new last alternative
1101 and ! to last 3 alternatives.
1103 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
1105 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
1106 DW_AT_artificial attributes at the end of the processing.
1107 (gen_array_type_die): Likewise.
1108 (gen_enumeration_type_die): Likewise.
1109 (gen_struct_or_union_type_die): Likewise.
1110 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
1113 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1116 * expr.c (expand_assignment): If doing misaligned store that doesn't
1117 cover all mode bits, perform a RMW cycle.
1119 PR tree-optimization/52429
1120 * tree-parloops.c (separate_decls_in_region_debug): Return early
1121 if var is LABEL_DECL.
1123 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1125 PR tree-optimization/52424
1126 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
1127 calling dom_thread_across_edge.
1129 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1131 * config/avr/avr.c: Move definition of TARGET macros to end of file.
1133 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1135 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
1136 * config/avr/avr.c (avr_output_bld): Remove unused function.
1137 (avr_out_sbxx_branch): Use "%T" to print bit position.
1139 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1141 * config/avr/avr.md: Untabify.
1143 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1145 * config/avr/avr.md (eqne): New code iterator.
1146 (*dec-and-branchsi): Use it in text peephole's condition.
1147 (*dec-and-branchhi): Ditto.
1148 (*dec-and-branchqi): Ditto.
1150 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1153 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
1154 the device does not have the skip-bug.
1156 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
1158 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
1159 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
1160 -mpretend-cmove): New.
1162 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1165 * df.h (struct df_d): Adjust comment that hard_regs_live_count
1166 doesn't count DEBUG_INSN refs.
1167 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
1168 for DEBUG_INSN refs.
1170 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1174 2012-02-20 Richard Guenther <rguenther@suse.de>
1175 PR tree-optimization/52298
1176 * tree-vect-stmts.c (vectorizable_load): Properly use
1177 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1180 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
1183 * gimple.h (gimple_in_transaction): New.
1184 (gimple_set_in_transaction): New.
1185 (struct gimple_statement_base): Add in_transaction field.
1186 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
1188 (tree_ssa_lim_initialize): Compute transaction bits.
1189 * tree.h (compute_transaction_bits): Protoize.
1190 * trans-mem.c (tm_region_init): Use the heap to store BB
1192 (compute_transaction_bits): New.
1194 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1196 * gcc.c (display_help): Document --help=common and sort entries
1199 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1201 * doc/install.texi: Document check-$LANG specific shortcuts
1203 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1206 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
1208 * config/arm/arm_neon.h: Regenerate.
1209 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
1210 (neon_vcgeu): New insn.
1211 (neon_vcgtu): Likewise.
1212 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
1213 (ops): Unsigned comparison intrinsics call a different
1216 2012-02-28 Richard Guenther <rguenther@suse.de>
1219 * config/i386/i386.c (ix86_expand_vector_set): Fix element
1220 ordering for the VEC_CONCAT for two element vectors for
1221 V2SFmode, V2SImode and V2DImode.
1223 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
1226 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
1227 detecting big-endian triplets.
1229 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
1231 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
1232 mode if there is no type information available.
1234 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
1236 PR tree-optimization/53207
1237 * doc/invoke.texi: Document as experimental and relying on graphite.
1239 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1241 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
1242 of initializer to changes from r184614.
1244 2012-02-28 Richard Guenther <rguenther@suse.de>
1246 PR tree-optimization/52395
1247 * tree-sra.c (build_ref_for_offset): Also look at the base
1248 TYPE_ALIGN when figuring out the alignment of the replacement.
1250 2012-02-28 Richard Guenther <rguenther@suse.de>
1252 PR tree-optimization/52402
1253 * ipa-prop.c (ipa_modify_call_arguments): Properly use
1254 mis-aligned types when creating the accesses at the call site.
1256 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1258 * config/avr/builtins.def: New file.
1259 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
1260 * config/avr/avr.c (enum avr_builtin_id): Use it.
1261 (avr_init_builtins): Use it. And use avr_bdesc.
1262 (bdesc_1arg): Remove.
1263 (bdesc_2arg): Remove.
1264 (bdesc_3arg): Remove.
1265 (struct avr_builtin_description): Add field n_args.
1266 (avr_bdesc): New static variable using builtins.def.
1267 (avr_expand_builtin): Use it.
1268 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
1269 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
1270 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
1272 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1275 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
1276 match only one single hard register with respective hard reg rtx.
1277 (movmemx_<mode>): Ditto.
1278 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
1279 insn anatomy of movmem[x]_<mode>.
1280 (avr_out_movmem): Same for printing assembler and operand usage.
1282 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1286 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
1287 address spaces located outside of device flash.
1289 * config/avr/avr.h (base_arch_s): Remove field n_segments.
1290 (mcu_type_s): Add field n_flash.
1291 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
1292 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
1293 (AVR_MCU): Add N_FLASH argument.
1294 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
1295 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
1296 macro __FLASH<n> if that address space makes sense for the device.
1297 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
1298 outside of target flash.
1299 (avr_asm_named_section): Ditto.
1300 (avr_asm_select_section): Ditto.
1301 (avr_addr_space_convert): Ditto.
1302 (avr_emit_movmemhi): Ditto.
1303 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
1304 address space is outside of device flash.
1305 (avr_insert_attributes): Ditto.
1306 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
1307 avr_current_arch->n_segments.
1309 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
1312 * config/i386/i386.md (*movabs<mode>_1): Enable only for
1314 (*movabs<mode>_2): Likewise.
1316 2012-02-27 Jakub Jelinek <jakub@redhat.com>
1319 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
1320 s_register_operand in the test instead of REG_P. Don't call
1321 gen_reg_rtx if it won't be used.
1323 PR tree-optimization/52376
1324 * ipa-split.c (split_function): Ignore CLOBBER stmts.
1326 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
1328 * ifcvt.c (noce_get_condition): Check condition variable is not
1329 small_register_classes_for_mode_p before accepting.
1331 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
1333 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1335 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1338 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1339 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1341 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1343 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
1345 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1347 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
1349 * config/sh/predicates.md: Remove blank lines.
1350 * config/sh/sh.c: Fix typos in comments.
1351 * config/sh/constraints.md: Likewise.
1352 * config/sh/sh.md: Remove blank lines.
1353 Fix typos in comments. Use ;; as comment characters.
1355 2012-02-26 Walter Lee <walt@tilera.com>
1357 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1358 (replace_mov_pcrel_step2): Ditto.
1360 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
1363 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1364 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
1365 and locs that reference values newer than the non-canonical value
1366 at hand. Return the canonical value as a worst case.
1367 (memrefs_conflict_p): Walk canonical value's locs.
1370 * cselib.c (preserve_only_constants): Rename to...
1371 (preserve_constants_and_equivs): ... this. Split out...
1372 (invariant_or_equiv_p): ... this. Preserve plus expressions
1373 of other preserved expressions too.
1374 (cselib_reset_table): Adjust.
1375 * var-tracking.c (reverse_op): Use canonical value to build
1378 2012-02-23 Kai Tietz <ktietz@redhat.com>
1380 * config/i386/i386.c (ix86_delegitimize_address): Handle
1381 UNSPEC_PCREL plus displacement.
1383 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
1386 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1387 to test for unusedness in st X addressing.
1389 2012-02-24 Richard Guenther <rguenther@suse.de>
1392 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1393 (is_gimple_reg_type): Move inline ...
1394 * gimple.h (is_gimple_reg_type): ... here.
1396 2012-02-24 Richard Guenther <rguenther@suse.de>
1399 * passes.c (execute_function_todo): When verifying SSA form
1400 verify gimple form first.
1401 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1403 2012-02-24 Richard Guenther <rguenther@suse.de>
1406 * fold-const.c (fold_addr_of_array_ref_difference): New function.
1407 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1409 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1411 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1413 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1415 * tree-phinodes.c (make_phi_node): Mark static.
1416 * tree-flow.h (make_phi_node): Remove extern decl.
1417 * doc/gimple.texi (make_phi_node): Remove documentation.
1419 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1421 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1422 * tree-ssa-sccvn.c (print_scc): Ditto.
1424 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1426 * doc/passes.texi (Full redundancy elimination): Fix typo.
1428 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1430 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1432 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
1435 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1437 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
1440 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1442 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
1444 * config/avr/avr.md (code_stdname): Add ior, xor.
1445 (xior): New code iterator.
1446 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1447 (*<code_stdname><mode>qi.byte1-3): Ditto.
1449 2012-02-23 Jakub Jelinek <jakub@redhat.com>
1451 PR tree-optimization/52019
1452 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1455 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1457 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1458 HAVE_INITFINI_ARRAY to work around namespace pollution in
1459 certain versions of newlib system headers.
1460 * config.in: Regenerate.
1461 * configure: Regenerate.
1462 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1463 instead of HAVE_INITFINI_ARRAY.
1465 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
1468 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1469 is not offsettable memory reference.
1471 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1474 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1475 setting avr_need_clear_bss_p for __gnu_lto* symbols.
1477 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1479 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1480 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1482 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1484 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1485 library on Solaris 8 even without TLS support.
1486 * configure: Regenerate.
1488 2012-02-22 Richard Guenther <rguenther@suse.de>
1491 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1492 for GIMPLE_DEBUG stmts.
1494 2012-02-22 Martin Jambor <mjambor@suse.cz>
1497 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1498 according to the base object.
1500 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1502 PR rtl-optimization/50063
1503 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1504 and 2 (8-bit SP) in operand 2.
1505 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1506 setup to use movhi_sp_r instead of vanilla move to write SP.
1507 Adjust REG_CFA notes to superseed unspec.
1508 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1510 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1511 known to be off) only with TARGET_NO_INTERRUPTS. Never use
1512 irq_state 1 (IRQ known to be on) here.
1514 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
1516 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1518 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1519 assign_hard_reg): Likewise.
1521 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1523 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1525 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1528 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1529 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1531 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1533 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1534 prototype from here to...
1535 * config/avr/avr.h: ...here.
1537 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
1540 * thumb2.md (thumb2_shiftsi3_short): Split register and
1541 immediate shifts. For register shifts tie operands 0 and 1.
1542 (peephole2 for above): Check that register-controlled shifts
1543 have suitably tied operands.
1545 2012-02-21 Quentin Neill <quentin.neill@amd.com>
1548 * config/i386/bdver1.md (bdver1_call, bdver1_push,
1549 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1550 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1551 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1552 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1553 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1554 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1555 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1556 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1557 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1558 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1559 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1560 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1561 bdver1_ssevector_avx256_unaligned_load,
1562 bdver1_ssevector_sse128_unaligned_load,
1563 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1564 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1565 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1566 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1567 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1568 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1569 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1570 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1571 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1572 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1573 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1574 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1575 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1576 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1577 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1578 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1579 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1580 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1581 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1582 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1583 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1584 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1585 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1586 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1587 bdver1_ssediv_double_load, bdver1_ssediv_double,
1588 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1589 Add "bdver2" attribute.
1591 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1593 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1594 default if possible and not specified otherwise.
1596 2012-02-21 Richard Guenther <rguenther@suse.de>
1599 * gimplify.c (create_tmp_from_val): Use the main variant type
1600 for the type of the temporary we create.
1602 2012-02-21 Richard Guenther <rguenther@suse.de>
1604 PR tree-optimization/52324
1605 * gimplify.c (gimplify_expr): When re-gimplifying expressions
1606 do not gimplify a MEM_REF address operand if it is already
1609 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1611 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1612 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1614 2012-02-21 Richard Guenther <rguenther@suse.de>
1616 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1617 nested_in_vect_loop.
1619 2012-02-21 Jakub Jelinek <jakub@redhat.com>
1621 PR tree-optimization/52318
1622 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1623 vdef also to non-pure/const call stmts in the sequence.
1625 2012-02-20 David S. Miller <davem@davemloft.net>
1627 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1628 don't use the "rd %pc" instruction on v9 for PIC register loads.
1630 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
1633 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1634 in a transaction safe function.
1636 2012-02-20 Kai Tietz <ktietz@redhat.com>
1639 * stor-layout.c (place_field): Handle desired_align for
1642 2012-02-20 Richard Guenther <rguenther@suse.de>
1644 PR tree-optimization/52298
1645 * tree-vect-stmts.c (vectorizable_store): Properly use
1646 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1648 (vectorizable_load): Likewise.
1649 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1650 Access DR_STEP after ensuring it is not NULL.
1652 2012-02-20 Jakub Jelinek <jakub@redhat.com>
1654 PR tree-optimization/52286
1655 * fold-const.c (fold_binary_loc): For (X & C1) | C2
1656 optimization use double_int_to_tree instead of build_int_cst_wide,
1657 rewrite to use double_int vars.
1659 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1662 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1664 Remove -e 0 from $gcc_cv_ld invocation.
1665 Only use __GLIBC_PREREQ if defined.
1666 Enable on Solaris since Solaris 8 patch.
1667 (gcc_SUN_LD_VERSION): New macro.
1668 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1669 gcc_SUN_LD_VERSION for version number format.
1670 * configure: Regenerate.
1671 * varasm.c (get_elf_initfini_array_priority_section): Set
1672 SECTION_NOTYPE for non-default priority.
1673 Use get_section instead of get_unnamed_section to emit
1674 .init_array/.fini_array with default priority.
1676 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1678 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1679 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
1680 (mips_start_unique_function, mips_output_mips16_rdhwr)
1681 (mips_code_end): New functions.
1682 (TARGET_ASM_CODE_END): Define.
1684 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1686 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1687 to stubs with non-sibling calls.
1689 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
1691 * doc/invoke.texi (-fira-* options): Copy-edit.
1692 (ira-* parameters): Copy-edit.
1694 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1696 * doc/invoke.texi: Minor copy-edits to bring into conformance with
1697 GCC coding conventions.
1699 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1701 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1702 when used as adjectives.
1704 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
1706 * doc/invoke.texi: Clean up "that"/"which" confusion.
1708 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
1710 * system.h: Poison SMALL_REGISTER_CLASSES
1711 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1712 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1714 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1716 PR tree-optimization/52285
1717 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1718 when deciding if a call is a tail call or tail recursion.
1720 2012-02-16 Kai Tietz <ktietz@redhat.com>
1722 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1723 interger-constant displacement for UNSPEC_PCREL.
1725 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1727 PR rtl-optimization/52208
1728 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1729 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1731 PR tree-optimization/52255
1732 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1733 loop->header has virtual PHI, but exit_e->dest doesn't, add
1734 virtual PHI to exit_e->dest and adjust all uses after the loop.
1737 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1738 children with clone_tree_hash, not after it.
1740 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
1742 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1743 extended identifiers.
1745 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1748 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1749 a same_body_alias, also test whether e->callee isn't a former
1750 or current clone of the decl this is a same body alias of.
1752 PR translation/52264
1753 * cgraphunit.c (verify_cgraph_node): Fix a typo.
1755 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
1757 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1759 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
1762 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1763 force_reg instead of copy_to_reg for better optimization. Force
1764 non-register or memory operands into a register.
1766 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
1768 * extend.texi: Reserve upper bits of memory model for future use.
1770 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
1771 Anatoly Sokolov <aesok@post.ru>
1772 Eric Weddington <eric.weddington@atmel.com>
1775 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1776 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1777 Rewrite initializers for .macro.
1778 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1779 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1780 atxmega32d4, atxmega32x1.
1781 avrxmega4: atxmega64a3, atxmega64d3.
1782 avrxmega5: atxmega64a1, atxmega64a1u.
1783 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1784 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1785 avrxmega7: atxmega128a1, atxmega128a1u.
1786 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1787 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1788 (struct base_arch_s): Rename reserved to xmega_p.
1789 Rename reserved2 to have_rampd.
1790 (AVR_XMEGA): New define.
1791 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1792 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1793 * config/avr/predicates.md (io_address_operand): Take into
1795 (low_io_address_operand): Ditto.
1796 (high_io_address_operand): Ditto.
1797 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1798 (enabled, movhi_sp_r): Use them.
1799 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1800 cpp_define_formatted to built-in define __AVR_ARCH__.
1801 (__AVR_XMEGA__): New built-in define.
1802 (__AVR_HAVE_RAMPD__): New built-in define.
1803 (__AVR_HAVE_RAMPX__): New built-in define.
1804 (__AVR_HAVE_RAMPY__): New built-in define.
1805 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1807 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1808 (avr_option_override): Initialize them.
1809 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1810 (avr_init_expanders): Initialize them. No more block several calls.
1811 (emit_push_sfr): New static function.
1812 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1814 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1815 (avr_print_operand): Print addreeses as symbols for
1816 RAMPX, RAMPY, RAMPD, CCP.
1817 (output_movhi): Handle AVR_XMEGA when writing to SP.
1818 (avr_out_movhi_mr_r_xmega): New static function.
1819 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1820 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
1821 __RAMPD__, __CCP__ as needed.
1823 * config/avr/multilib.h: Regenerate.
1824 * config/avr/t-multilib: Regenerate.
1825 * config/avr/avr-tables.opt: Regenerate.
1827 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
1829 PR tree-optimization/50561
1830 * graphite-flattening.c (lst_project_loop): Do not
1831 remove old scattering dimensions after flattening.
1832 (lst_do_flatten): Likewise.
1834 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
1836 * doc/extend.texi (AVR Built-in Functions): Remove doc for
1837 __builtin_avr_map8, __builtin_avr_map16.
1838 Document __builtin_avr_insert_bits.
1840 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1841 (insert_bits): New insn.
1842 (adjust_len.map_bits): Rename to insert_bits.
1843 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1844 * avr-protos.h (avr_out_map_bits): Remove.
1845 (avr_out_insert_bits, avr_has_nibble_0xf): New.
1846 * config/avr/constraints.md (Cxf,C0f): New.
1847 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1848 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1849 New built-in define __BUILTIN_AVR_INSERT_BITS.
1850 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1851 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1852 (avr_move_bits): Rewrite.
1853 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1855 (avr_map_op_t): New typedef.
1856 (avr_map_op): New static variable.
1857 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1858 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1859 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1860 (bdesc_3arg, avr_expand_triop_builtin): New.
1861 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1862 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1863 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1864 (avr_map_equal_p, avr_map_sig_p): Remove.
1865 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1866 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1867 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1868 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1869 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1870 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1872 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1874 * config/c6x/c6x.md (reserve_cycles): New attribute.
1875 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1876 don't reserve functional units after the branch occurs.
1878 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
1881 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1882 functions into non-tm_pure functions.
1884 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
1887 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1888 (iterative_hash_canonical_type): Likewise.
1889 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1892 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1894 * haifa-sched.c (prune_ready_list): Ensure that if there is a
1895 sched-group insn, it either remains alone or the entire list is pruned.
1897 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1899 * doc/install.texi (Prerequisites): Fix grammar.
1900 (Configuration): Likewise.
1902 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1904 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1905 MPC as part of GCC before describing configuring with --with-gmp etc.
1906 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1907 sources are present.
1909 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1912 * dwarf2out.c (clone_tree_hash): New function.
1913 (copy_decls_walk): Use it instead of clone_tree.
1915 2012-02-14 Richard Guenther <rguenther@suse.de>
1917 PR tree-optimization/52244
1918 PR tree-optimization/51528
1919 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1920 replacements for integral types.
1922 2012-02-14 Walter Lee <walt@tilera.com>
1924 * config.gcc: Handle tilegx and tilepro.
1925 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1927 Add HAVE_AS_TLS check for tilegx and tilepro.
1928 * configure: Regenerate.
1929 * doc/contrib.texi: Add Mat Hostetter and self.
1930 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1931 Document instruction intrinsics and network accessing intrinsics.
1932 (TILEPro Built-in Functions): New node. Document instruction
1933 intrinsics and network accessing intrinsics.
1934 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1935 (Specific, tilepro-*-linux*): Likewise.
1936 * doc/invoke.texi (TILE-Gx Options): New section.
1937 (TILEPro Options): New section.
1938 * doc/md.texi (TILE-Gx): New section.
1939 (TILEPro): New section.
1940 * common/config/tilegx/tilegx-common.c: New file.
1941 * common/config/tilepro/tilepro-common.c: New file.
1942 * config/tilegx/constraints.md: New file.
1943 * config/tilegx/linux.h: New file.
1944 * config/tilegx/mul-tables.c: New file.
1945 * config/tilegx/predicates.md: New file.
1946 * config/tilegx/sync.md: New file.
1947 * config/tilegx/t-tilegx: New file.
1948 * config/tilegx/tilegx-builtins.h: New file.
1949 * config/tilegx/tilegx-c.c: New file.
1950 * config/tilegx/tilegx-generic.md: New file.
1951 * config/tilegx/tilegx-modes.def: New file.
1952 * config/tilegx/tilegx-multiply.h: New file.
1953 * config/tilegx/tilegx-protos.h: New file.
1954 * config/tilegx/tilegx.c: New file.
1955 * config/tilegx/tilegx.h: New file.
1956 * config/tilegx/tilegx.md: New file.
1957 * config/tilegx/tilegx.opt: New file.
1958 * config/tilepro/constraints.md: New file.
1959 * config/tilepro/gen-mul-tables.cc: New file.
1960 * config/tilepro/linux.h: New file.
1961 * config/tilepro/mul-tables.c: New file.
1962 * config/tilepro/predicates.md: New file.
1963 * config/tilepro/t-tilepro: New file.
1964 * config/tilepro/tilepro-builtins.h: New file.
1965 * config/tilepro/tilepro-c.c: New file.
1966 * config/tilepro/tilepro-generic.md: New file.
1967 * config/tilepro/tilepro-modes.def: New file.
1968 * config/tilepro/tilepro-multiply.h: New file.
1969 * config/tilepro/tilepro-protos.h: New file.
1970 * config/tilepro/tilepro.c: New file.
1971 * config/tilepro/tilepro.h: New file.
1972 * config/tilepro/tilepro.md: New file.
1973 * config/tilepro/tilepro.opt: New file.
1975 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1977 PR tree-optimization/52210
1978 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1979 vect_model_simple_cost with two entry vect_def_type array instead
1980 of an address of dt.
1982 2012-02-14 Richard Guenther <rguenther@suse.de>
1985 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1986 Do not stream DECL_QUALIFIER.
1987 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1988 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1989 (find_decls_types_r): Do not walk DECL_QUALIFIER.
1991 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1994 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1997 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2000 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
2001 * cselib.c (cselib_subst_to_values_from_insn): New function.
2002 * sched-deps.c (add_insn_mem_dependence,
2003 sched_analyze_1, sched_analyze_2): Use it.
2005 2012-02-13 Jan Hubicka <jh@suse.cz>
2008 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
2010 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
2012 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2013 (GTM_SELF_SPECS): Define if not already defined.
2014 (driver_self_specs): Add GTM_SELF_SPECS.
2015 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2016 (GTM_SELF_SPECS): Define.
2017 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2018 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2020 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2022 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2025 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
2028 * omp-low.c (expand_omp_for): If a static schedule without chunk size
2029 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
2031 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
2034 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
2036 2012-02-13 Richard Guenther <rguenther@suse.de>
2038 PR translation/52211
2039 * passes.c (enable_disable_pass): Fix typo.
2041 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2044 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
2045 XOR for reduce_bit_field if type is unsigned.
2047 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
2049 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
2050 disallow changes from SFmode to mode with different size in FP regs.
2052 2012-02-12 Robert Millan <rmh@gnu.org>
2053 Gerald Pfeifer <gerald@pfeifer.com>
2055 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
2058 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
2060 PR rtl-optimization/52175
2061 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
2062 to frame-related instructions.
2064 2012-02-10 Jason Merrill <jason@redhat.com>
2067 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2068 (demangle_new_symbols): Fill it.
2069 (scan_linker_output): Walk it.
2070 (start_tweaking): Split out from scan_linker_output.
2071 (maybe_tweak): Update sym->chosen.
2072 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
2074 2012-02-11 Jakub Jelinek <jakub@redhat.com>
2077 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
2079 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
2081 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2082 having the same mode as previous compare.
2084 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
2086 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
2087 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
2088 (nonlocal_goto_internal): Likewise.
2089 (nonlocal_goto): Emit a use and an indirect jump directly.
2091 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
2094 * doc/extend.texi : Update comments for __atomic_compare_exchange and
2095 __atomic_{is,always}_lock_free.
2097 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
2100 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
2101 negative constant address for x32.
2103 2012-02-10 Richard Henderson <rth@redhat.com>
2105 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
2106 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
2107 for GIMPLE_TRANSACTION. Tidy if's into a switch.
2109 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2110 Ira Rosen <irar@il.ibm.com>
2112 PR tree-optimization/50031
2113 * targhooks.c (default_builtin_vectorization_cost): Handle
2115 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
2116 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
2117 all types of reduction and pattern statements.
2118 (vect_estimate_min_profitable_iters): Likewise.
2119 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
2120 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
2121 for explicit realigns.
2122 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
2123 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
2125 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
2126 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
2127 vec_perm for VSX and handle vec_promote_demote.
2129 2012-02-10 Jakub Jelinek <jakub@redhat.com>
2132 * builtins.c (fold_builtin_atomic_always_lock_free,
2133 expand_builtin_atomic_always_lock_free,
2134 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
2135 Return and/or test boolean_true_node/boolean_false_node instead of
2136 integer_one_node/integer_zero_node.
2138 2012-02-10 Jan Hubicka <jh@suse.cz>
2141 * predict.c (predict_paths_for_bb): Prevent looping.
2142 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
2144 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
2146 * config/arm/arm.c (output_move_double): In one case properly
2147 count number of instructions that will be emitted.
2149 2012-02-10 Richard Guenther <rguenther@suse.de>
2151 PR translation/52193
2152 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
2154 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
2157 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
2159 2012-02-09 Jakub Jelinek <jakub@redhat.com>
2162 * var-tracking.c (emit_note_insn_var_location): If
2163 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
2164 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
2165 non-NOTE_DURING_CALL_P insn.
2167 2012-02-09 Bin Cheng <bin.cheng@arm.com>
2170 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
2172 2012-02-08 Magnus Granberg <zorry@gentoo.org>
2175 * gcc.c (switch_matches) Support switches with separated form,
2178 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
2180 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
2182 (RAMPZ_ADDR): Ditto.
2183 * config/avr/avr.c (avr_addr_t): New typedef.
2184 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
2185 (avr_init_expanders): Initialize it.
2186 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
2188 (expand_epilogue): Ditto.
2189 (avr_print_operand): Ditto.
2190 (avr_file_start): Ditto.
2191 (avr_emit_movmemhi): Ditto.
2193 2012-02-08 Richard Guenther <rguenther@suse.de>
2195 PR tree-optimization/46886
2196 * tree-flow.h (do_while_loop_p): Declare.
2197 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
2198 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
2200 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
2202 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
2203 always succeed for integers larger than a native word.
2205 2012-02-08 Richard Guenther <rguenther@suse.de>
2207 PR rtl-optimization/52170
2208 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
2209 properly handle integer vector modes.
2211 2012-02-08 Jakub Jelinek <jakub@redhat.com>
2213 PR gcov-profile/52150
2214 * coverage.c: Include target.h.
2215 (build_var): Call targetm.strip_name_encoding on the assembler name.
2216 Change one _ into . or $ if the target allows it.
2217 * Makefile.in (coverage.o): Depend on $(TARGET_H).
2219 PR rtl-optimization/52139
2220 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
2221 is a BARRIER after emit_insn_after_noloc, move BB_END
2222 to the last non-BARRIER insn before it.
2224 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
2227 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
2228 (mips_gimplify_va_arg_expr): Call it instead of
2229 std_gimplify_va_arg_expr.
2231 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
2233 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
2234 message for -mno-pointers-to-nested-function.
2236 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
2239 * expr.c (get_inner_reference): If there is an offset, add a negative
2240 bit position to it (if any).
2242 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2244 PR rtl-optimization/52060
2245 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
2246 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
2247 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
2248 and/or i0src_copy2 when needed.
2250 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2252 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
2253 or LTOPLUGINSONAME if have_c.
2255 * config/freebsd-spec.h: Add comment about what macros can be defined
2257 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
2258 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
2261 2012-02-07 Richard Guenther <rguenther@suse.de>
2263 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
2264 newline in -alias dumps.
2266 2012-02-07 Kai Tietz <ktietz@redhat.com>
2267 Dave Korn <dave.korn.cygwin@gmail.com>
2270 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2271 Take care that typinfo gets dllexport-attribute.
2273 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2276 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
2277 if modifier < EXPAND_SUM call force_operand on the result.
2279 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
2281 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
2282 adding __forwarder_dst__ prefix if a forwarder_section attribute is
2284 (epiphany_function_type): Replace types for specific interrupts with
2285 EPIPHANY_FUNCTION_INTERRUPT.
2286 (EPIPHANY_INTERRUPT_P): Update.
2287 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
2288 New static function.
2289 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
2290 <disinterrupt>: Affects type identity.
2291 (epiphany_handle_interrupt_attribute): Handle variable number of
2293 (epiphany_compute_function_type): Update for new
2294 epiphany_function_type definition.
2295 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
2296 handlers with a longcall forwarder.
2297 (epiphany_start_function): Handle multiple interrupt arguments and/or
2298 forwarder_section attribute.
2300 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
2303 2012-02-07 Alan Modra <amodra@gmail.com>
2306 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
2309 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2311 PR tree-optimization/50969
2312 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
2313 use vec_perm rather than vector_stmt.
2314 (vect_model_load_cost): Likewise.
2315 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
2316 vec_perm to be the same as other vector statements.
2317 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
2318 cost of vec_perm for TARGET_VSX.
2320 2012-02-06 Richard Guenther <rguenther@suse.de>
2322 PR tree-optimization/52115
2323 * tree-sra.c (access_has_replacements_p): New function.
2324 (sra_modify_assign): Use it to decide whether a use is uninitialized.
2326 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
2329 * trans-mem.c (expand_call_tm): Add an assertion.
2330 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2333 2012-02-06 Richard Guenther <rguenther@suse.de>
2335 PR tree-optimization/50955
2336 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2337 raise cost of expressions that replace an address with an
2338 expression based on a different pointer.
2340 2012-02-06 Jakub Jelinek <jakub@redhat.com>
2343 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2344 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2346 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
2349 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2350 -Weffc++ and specify guidelines come from second edition.
2352 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
2354 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2355 (sibcall_value_multiple_internal, call_split, call_internal_direct)
2356 (call_direct_split, call_value_split, call_value_internal_direct)
2357 (call_value_direct_split, call_value_multiple_split): Use jal and
2358 jal_macro attributes.
2360 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
2362 * reload1.c (reload_regs_reach_end_p): Replace with...
2363 (reload_reg_rtx_reaches_end_p): ...this function.
2364 (new_spill_reg_store): Update commentary.
2365 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2366 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2367 before setting new_spill_reg_store.
2368 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2369 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2370 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2371 for non-spill reload registers.
2373 2012-02-05 Ira Rosen <irar@il.ibm.com>
2375 PR tree-optimization/52091
2376 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2377 (vect_is_simple_use_1): Likewise.
2378 * tree-vect-loop.c (vectorizable_reduction): Update calls
2379 to vect_is_simple_use_1 and vect_is_simple_use.
2380 (vectorizable_live_operation): Likewise.
2381 * tree-vect-patterns.c (widened_name_p,
2382 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2383 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2384 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2385 vectorizable_shift,vectorizable_operation, vectorizable_store,
2386 vectorizable_load): Likewise.
2387 (vect_is_simple_cond): Add an argument, pass it to
2388 vect_is_simple_use_1.
2389 (vectorizable_condition): Update calls to vect_is_simple_cond,
2391 (vect_is_simple_use): Add an argument, the statement in which
2392 OPERAND is used. Check that if OPERAND's def stmt is a double
2393 reduction phi node, the use is a phi node too.
2394 (vect_is_simple_use_1): Add an argument, pass it to
2396 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2397 to vect_is_simple_use.
2399 2012-02-04 Jakub Jelinek <jakub@redhat.com>
2401 PR rtl-optimization/52095
2402 * modulo-sched.c (dump_insn_locator): New function.
2403 (loop_canon_p, sms_schedule): Use it.
2405 PR rtl-optimization/52113
2406 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2407 even for decomposable shift/zext insns.
2409 2012-02-03 Jakub Jelinek <jakub@redhat.com>
2410 Zdenek Dvorak <ook@ucw.cz>
2412 PR rtl-optimization/52092
2413 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2414 on get_iv_value result.
2416 2012-02-02 Andrew Pinski <apinski@cavium.com>
2420 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2422 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2425 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2427 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
2429 PR rtl-optimization/49800
2430 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2431 (sched_finish): Call regstat_free_n_sets_and_refs.
2433 2012-02-02 Jia Liu <proljc@gmail.com>
2435 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2438 2012-02-02 Jan Hubicka <jh@suse.cz>
2439 Tom de Vries <tom@codesourcery.com>
2442 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2443 * varpool.c (varpool_analyze_pending_decls): Likewise.
2445 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2446 Jayant R Sonar <jayant.sonar@kpitcummins.com>
2448 * config.gcc: Add cr16-* support.
2450 * doc/extend.texi: Document cr16 extensions.
2451 * doc/install.texi: Document cr16 install.
2452 * doc/invoke.texi: Document cr16 options.
2453 * doc/md.texi: Document cr16 constraints.
2455 * common/config/cr16/cr16-common.c: New file.
2456 * config/cr16/cr16.c: New file.
2457 * config/cr16/cr16.h: New file.
2458 * config/cr16/cr16.md: New file.
2459 * config/cr16/cr16.opt: New file.
2460 * config/cr16/cr16-protos.h: New file.
2461 * config/cr16/predicates.md: New file.
2462 * config/cr16/constraints.md: New file.
2463 * config/cr16/t-cr16: New file.
2465 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2468 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2469 that operands[2] is either immediate, or q_regs_operand.
2471 PR tree-optimization/52073
2472 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2473 a pattern stmt for pattern uses, ignore uses outside of the loop.
2475 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2477 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2478 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2479 (OUT_AS1, OUT_AS2): Remove.
2481 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2483 PR rtl-optimization/51374
2484 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2485 to cross other volatile_refs_p insns.
2487 2012-02-01 Richard Guenther <rguenther@suse.de>
2489 * doc/invoke.texi (fno-inline): Clarify documentation.
2490 (finline-small-functions): Likewise.
2491 (finline-functions): Likewise.
2492 * common.opt (finline): Adjust comment and documentation.
2493 (finline-small-functions): Clarify documentation.
2494 (finline-functions): Likewise.
2495 (finline-functions-called-once): Likewise.
2497 2012-02-01 Tristan Gingold <gingold@adacore.com>
2499 * c-typeck.c (composite_type): Keep mode for pointers.
2501 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
2503 * function.h (regno_reg_rtx): Adjust comment.
2504 * reginfo.c (init_reg_modes_target): Only use the previous mode
2505 if it fits within one register. Remove MIPS comment.
2507 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2510 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2512 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2514 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2515 to srak instruction.
2517 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2519 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2521 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2526 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2528 2012-01-31 Richard Guenther <rguenther@suse.de>
2530 PR tree-optimization/51528
2531 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2534 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2539 * ree.c (add_removable_extension): Change def_map argument
2540 to unsigned *, store in def_map 1 + offset into *insn_list vector
2541 instead of pointers into the vector.
2542 (find_removable_extensions): Adjust caller.
2544 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2546 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2547 Transform all "* quoted-c-code" to { c-code }.
2548 Remove redundant test for "optimize" in combine patterns.
2549 Move (include "avr-dimode.md") to end of file.
2551 2012-01-30 Bin Cheng <bin.cheng@arm.com>
2554 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2555 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2557 2012-01-30 Richard Guenther <rguenther@suse.de>
2559 PR tree-optimization/52028
2560 * tree-loop-distribution.c (ldist_gen): Properly update
2563 2012-01-30 Jakub Jelinek <jakub@redhat.com>
2566 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2567 set_cur_line_info_table if not emitting debug info.
2569 PR tree-optimization/52046
2570 * tree-vect-patterns.c (check_bool_pattern): Give up if
2571 a comparison could throw.
2574 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2576 2012-01-30 Richard Guenther <rguenther@suse.de>
2578 PR tree-optimization/52045
2579 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2580 SSA form if cfgcleanup did anything.
2582 2012-01-30 Richard Guenther <rguenther@suse.de>
2584 PR tree-optimization/52045
2585 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2586 before computing final todo.
2588 2012-01-30 Richard Guenther <rguenther@suse.de>
2590 PR tree-optimization/51528
2591 * tree-sra.c (sra_modify_assign): Re-factor in preparation
2594 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
2596 * df-problems.c (df_kill_notes): Check that the use refers
2597 to the note under examination.
2599 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
2602 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2603 parameter and use short-lived pseudos.
2604 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2605 (sparc_expand_vector_init): Const-ify local variables and adjust
2606 calls to above functions.
2608 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2610 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2612 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
2614 * doc/invoke.texi: Make usage of "compile time" and
2615 "run time"/"runtime" consistent throughout the file.
2617 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
2619 * config/alpha/alpha.c (alpha_option_override): Default to
2620 full IEEE compliance mode for Go language.
2622 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
2624 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2625 (LINK_SSP_SPEC): Define.
2627 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2630 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2633 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
2635 * doc/invoke.texi: Correct hyphenation of "floating point",
2636 "double precision", and related terminology throughout the file.
2638 2012-01-28 Jakub Jelinek <jakub@redhat.com>
2641 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2642 arm_general_register_operand predicate for operand 2 instead of
2645 2012-01-27 Ian Lance Taylor <iant@google.com>
2648 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2649 * builtins.c (expand_builtin_init_trampoline): Add onstack
2650 parameter. Change caller.
2651 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2652 * tree.c (build_common_builtin_nodes): Declare
2653 __builtin_init_heap_trampoline.
2655 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
2657 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2658 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2659 * config/avr/avr.c: Ditto.
2660 (avr_regnames): Remove because unused.
2661 * config/avr/avr.md (*cpse.ne): New peephole.
2662 (*cpse.eq): New peephole from former cpse peepholes.
2664 2012-01-27 Michael Eager <eager@eagercon.com>
2666 * config/microblaze.c (microblaze_emit_compare): Correct
2667 test after pcmp instruction.
2669 2012-01-27 Richard Guenther <rguenther@suse.de>
2671 PR tree-optimization/52020
2672 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2674 2012-01-27 Richard Guenther <rguenther@suse.de>
2676 * ipa-pure-const.c (check_stmt): Clobbers do not make a
2677 function non-const/pure.
2679 2012-01-27 Richard Guenther <rguenther@suse.de>
2681 PR tree-optimization/50444
2682 * tree-sra.c (build_ref_for_offset): Properly adjust the
2683 MEM_REF type for unaligned accesses.
2685 2012-01-27 Richard Guenther <rguenther@suse.de>
2687 PR tree-optimization/50444
2688 * expr.c (mem_ref_refers_to_non_mem_p): New function.
2689 (expand_assignment): Use it. Properly handle misaligned
2690 bases when expanding stores to component references.
2691 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2694 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
2697 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2698 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2699 * tree-data-ref.c (find_data_references_in_loop): Make static.
2700 (compute_all_dependences): Change return type to bool. Bail out
2701 for too many datarefs in a loop. Move the hunk resetting the data
2702 dependences vector from ...
2703 (compute_data_dependences_for_loop): ... here. Account for
2704 compute_all_dependences returning false.
2705 (compute_data_dependences_for_bb): Likewise.
2706 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2707 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2709 2012-01-27 Richard Guenther <rguenther@suse.de>
2712 * expr.c (store_field): Use the alias-set of the scratch memory
2715 2012-01-27 Tom de Vries <tom@codesourcery.com>
2717 PR tree-optimization/51990
2718 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2720 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2722 2012-01-27 Jakub Jelinek <jakub@redhat.com>
2725 * var-tracking.c (reverse_op): Don't add any reverse operation
2726 if V already has any constant locations.
2728 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2730 * doc/invoke.texi: Correct usage of "command line" (noun)
2731 vs "command-line" (adjective) throughout.
2733 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2735 * doc/invoke.texi (Language Independent Options): Move
2736 -Wcoverage-mismatch blurb from here....
2737 (Warning Options): ...to here.
2739 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
2741 * config/rs6000/rs6000.c (rs6000_option_override_internal):
2742 Set rs6000_always_hint to false for 476.
2744 2012-01-27 Matthias Klose <doko@ubuntu.com>
2746 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2748 * incpath.c (add_standard_paths): Likewise.
2750 2012-01-27 Richard Henderson <rth@redhat.com>
2752 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2753 * config/m68k/sync.md (atomic_test_and_set): Rename from
2754 sync_test_and_setqi and adjust the operands.
2755 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2756 and unconditionally enable.
2758 2012-01-27 Richard Henderson <rth@redhat.com>
2760 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2761 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2762 (ldstub): Rename from ldstubqi.
2763 (ldstub<I24MODE>): Remove.
2765 2012-01-27 Richard Henderson <rth@redhat.com>
2767 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2768 * c-cppbuiltin.c (cpp_atomic_builtins): Define
2769 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2770 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2771 * doc/tm.texi: Rebuild.
2773 2012-01-27 Richard Henderson <rth@redhat.com>
2775 * optabs.c (gen_atomic_test_and_set): Remove default.
2776 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2778 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2780 PR rtl-optimization/51978
2781 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2782 (combine_reaching_defs): Likewise.
2783 (struct re_info): Remove.
2784 (add_removable_extension): Remove x and data arguments,
2785 add insn, insn_list and def_map. Use the arguments directly
2786 instead of using struct re_info.
2787 (find_removable_extensions): Don't call add_removable_extension
2788 through note_stores, instead just call it with single_set
2790 (find_and_remove_re): Pass curr_cand->expr instead of
2791 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2793 2012-01-26 Michael Matz <matz@suse.de>
2795 PR tree-optimization/46590
2796 * cfgexpand.c: Revert last change (r183305).
2797 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2799 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2800 checking for emptiness.
2802 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2805 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2806 non-addressable non-BLKmode base correctly.
2808 2012-01-26 Michael Matz <matz@suse.de>
2810 PR tree-optimization/48794
2811 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2812 regions referenced from RESX/EH_DISPATCH.
2814 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2816 * config/s390/s390.h: Make BRANCH_COST an option.
2817 * config/s390/s390.opt: New option -mbranch-cost.
2819 2012-01-26 Richard Henderson <rth@redhat.com>
2821 Revert 2012-01-24 change:
2822 * trans-mem.c (requires_barrier): Do not instrument thread local
2823 variables and emit save/restore for them.
2825 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2828 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2831 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
2833 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2836 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
2839 Rename __pgm to __flash.
2840 Rename __pgm1 to __flash1.
2841 Rename __pgm2 to __flash2.
2842 Rename __pgm3 to __flash3.
2843 Rename __pgm4 to __flash4.
2844 Rename __pgm5 to __flash5.
2845 Rename __pgmx to __memx.
2846 * doc/extend.texi (AVR Named Address Spaces)
2847 Rename address space names as indicated above.
2848 * config/avr/avr.c (avr_addrspace): Ditto.
2850 * config/avr/avr-protos.h
2851 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2852 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2853 * config/avr/predicates.md: Ditto.
2854 * config/avr/avr.c Ditto, and
2855 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2856 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2858 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2859 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2860 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2861 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2862 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2863 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2864 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2865 * config/avr/avr.c: Ditto.
2866 * config/avr/avr.md: Ditto.
2868 2012-01-25 Jason Merrill <jason@redhat.com>
2871 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2873 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2875 PR tree-optimization/51987
2876 * tree-data-ref.c (get_references_in_stmt): Handle references in
2877 non-volatile GIMPLE_ASM.
2879 2012-01-25 Richard Guenther <rguenther@suse.de>
2881 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2882 bases are dereferenced.
2884 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2886 PR rtl-optimization/48374
2887 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2889 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2891 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2892 compute_data_dependences_for_loop returns false.
2893 * tree-parloops.c (loop_parallel_p): Likewise.
2895 2012-01-25 Richard Guenther <rguenther@suse.de>
2897 * tree.h (get_pointer_alignment_1): Declare.
2898 * builtins.c (get_pointer_alignment_1): New function.
2899 (get_pointer_alignment): Use it.
2901 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2903 PR rtl-optimization/48308
2904 * combine.c (enum undo_kind): Add UNDO_LINKS.
2905 (struct undo): Add member l to other_contents and where.
2906 (do_SUBST_LINK): New.
2908 (try_combine): Handle LOG_LINKS for the dummy i1 case.
2909 (undo_all): Handle UNDO_LINKS.
2911 2012-01-25 Richard Henderson <rth@redhat.com>
2913 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2916 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2918 * optabs.c (gen_atomic_test_and_set): Use each argument.
2920 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2922 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2923 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2924 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2925 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2926 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2927 TARGET_PAIRED_SINGLE_FLOAT.
2929 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2931 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2932 (in_struct, return_val): Remove MEM documentation.
2933 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2934 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2935 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2937 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2938 * cfgexpand.c (add_alias_set_conflicts): Likewise.
2939 * expr.c (store_field): Likewise.
2940 * function.c (assign_stack_temp_for_type): Likewise.
2941 * ifcvt.c (noce_try_cmove_arith): Likewise.
2942 * reload1.c (reload): Likewise.
2943 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2944 (alpha_set_memflags): Likewise.
2945 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2947 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2949 * rtl.h (true_dependence, canon_true_dependence): Remove varies
2951 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2952 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2953 (true_dependence_1, true_dependence, canon_true_dependence): Remove
2955 * cselib.c (cselib_rtx_varies_p): Delete.
2956 (cselib_invalidate_mem): Update call to canon_true_dependence.
2957 * dse.c (record_store, check_mem_read_rtx): Likewise.
2958 (scan_reads_nospill): Likewise.
2959 * cse.c (check_dependence): Likewise.
2960 (cse_rtx_varies_p): Delete.
2961 * expr.c (safe_from_p): Update call to true_dependence.
2962 * ira.c (validate_equiv_mem_from_store): Likewise.
2963 (memref_referenced_p): Likewise.
2964 * postreload-gcse.c (find_mem_conflicts): Likewise.
2965 * sched-deps.c (sched_analyze_2): Likewise.
2966 * store-motion.c (load_kills_store): Likewise.
2967 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2968 * gcse.c (mems_conflict_for_gcse_p): Likewise.
2969 (compute_transp): Update call to canon_true_dependence.
2971 2012-01-25 Richard Henderson <rth@redhat.com>
2973 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2974 (maybe_emit_atomic_test_and_set): New.
2975 (expand_sync_lock_test_and_set): Use it.
2976 (expand_atomic_test_and_set): Likewise.
2977 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2978 the implementation; clarify implementation defined details.
2979 * doc/md.texi (atomic_test_and_set): Document.
2981 2012-01-25 Richard Henderson <rth@redhat.com>
2983 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2985 2012-01-25 Richard Henderson <rth@redhat.com>
2988 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2989 to effect no-op split.
2991 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2994 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2995 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2996 (BT_FN_VOID_PTR_INT_SIZE): New.
2997 (BT_FN_UINT_UINT_VAR): Remove.
2998 (BT_FN_UINT32_UINT32_VAR): New.
2999 (BT_FN_DOUBLE_VPTR): Remove.
3000 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
3002 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
3003 (_ITM_changeTransactionMode): Same.
3004 (_ITM_memmoveRtWt): Change return type to void.
3005 (_ITM_memcpyRtWt): Same.
3006 (_ITM_memsetW): Same.
3007 (_ITM_RaRD): Change types to double.
3012 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
3014 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
3015 Patrick Marlier <patrick.marlier@gmail.com>
3017 * trans-mem.c (requires_barrier): Do not instrument thread local
3018 variables and emit save/restore for them.
3020 2012-01-24 Jason Merrill <jason@redhat.com>
3023 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
3024 output static aliases.
3026 2012-01-24 Jakub Jelinek <jakub@redhat.com>
3029 * common.opt (-pie, -shared, pie, shared): Change from Common to
3031 * gcc.c (display_help): Display help for -pie and -shared.
3033 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
3036 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
3037 Remove note on size/offset limitation.
3038 (AVR Variable Attributes): Add example how to read data located
3039 with progmem. Refer to named address spaces.
3040 * doc/invoke.texi (AVR Options): Fix typo.
3042 2012-01-24 Richard Guenther <rguenther@suse.de>
3044 Forward-port to trunk
3045 2010-09-21 Jakub Jelinek <jakub@redhat.com>
3048 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
3049 op0 isn't sufficiently aligned and there is movmisalignM
3050 insn for mode, use it to load op0 into a temporary register.
3052 2012-01-24 Jakub Jelinek <jakub@redhat.com>
3055 * target.def (const_not_ok_for_debug_p): New hook.
3056 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
3058 * doc/tm.texi: Regenerated.
3059 * dwarf2out.c (const_ok_for_output_1): If
3060 targetm.const_not_ok_for_debug_p returns true, fail.
3061 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
3063 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
3065 2012-01-23 Kai Tietz <ktietz@redhat.com>
3068 * config/i386/predicates.md (symbolic_operand): Allow
3069 UNSPEC_PCREL as PIC expression for lea.
3070 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
3071 * config/i386/i386.c (ix86_delegitimize_address): Handle
3072 UNSPEC_PCREL for none-MEM, too.
3074 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
3076 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
3077 (ipa_tm_create_version_alias): Same.
3079 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
3082 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
3083 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
3085 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
3086 Patrick Marlier <patrick.marlier@gmail.com>
3087 Iain Sandoe <developer@sandoe-acoustics.co.uk>
3090 * lto-wrapper.c (run_gcc): Pass the LTO section name to
3091 simple_object_start_read.
3093 2012-01-23 Richard Guenther <rguenther@suse.de>
3096 PR tree-optimization/51895
3097 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
3098 parameter decomposition into BLKmode components.
3100 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
3102 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
3103 fake variables for restrict-qualified pointers whose pointed-to type
3104 contains a placeholder.
3106 2012-01-23 Richard Guenther <rguenther@suse.de>
3108 PR tree-optimization/51949
3109 * ipa-split.c (execute_split_functions): Do not split malloc functions.
3111 2012-01-23 Jakub Jelinek <jakub@redhat.com>
3113 PR rtl-optimization/51933
3114 * ree.c (transform_ifelse): Return true right away if dstreg is
3115 already wider or equal to cand->mode.
3116 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
3117 (make_defs_and_copies_lists): Remove defs_list and copies_list
3118 arguments, add state argument, just truncate state->work_list
3119 instead of always allocating and freeing the vector. Assert that
3120 get_defs succeeds instead of returning 2. Changed return type to bool.
3121 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
3122 have ext_src_mode, see if it has been modified already with the
3123 right kind of extension and has been extended before from the
3124 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
3125 just return true. Remember the original mode in state->modified array.
3126 (combine_reaching_defs): Add state argument. Don't allocate and
3127 free here def_list, copied_list and vec vectors, instead just
3128 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
3129 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
3130 Add state variable, clear vectors in it, initialize state.modified
3131 if needed. Free all the vectors at the end and state.modified too.
3132 Don't skip a candidate if the extension expression has been modified.
3134 2012-01-22 Douglas B Rupp <rupp@gnat.com>
3137 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
3138 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
3139 (extra_options) interix.opt -> i386/interix.opt"
3140 (extra_objs):Add winnt-stubs.o
3141 * configure.ac: Add interix to target_os .comm on PE check.
3142 * configure: Regenerate.
3143 * config/interix3.h: Delete and move bits to..
3144 * config/interix.h: Delete and move bits to..
3145 * config/i386/i386-interix3.h: Delete and move bits to..
3146 * config/i386/i386-interix.h: ..here.
3147 (TARGET_CPU_DEFAULT): Remove redefinition.
3148 (TARGET_ASM_CONSTRUCTOR): Undefine.
3149 (SUBTARGET_SWITCHES): Define for ms-bitfields.
3150 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
3151 (PTRDIFF_TYPE): Define.
3152 (LONG_DOUBLE_TYPE_SIZE): Define.
3153 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
3154 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
3155 (TARGET_SECTION_TYPE_FLAGS): Define.
3156 (ASM_DECLARE_FUNCTION_NAME): Define.
3157 (ASM_OUTPUT_EXTERNAL): Define.
3158 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
3159 (ASM_OUTPUT_ALIGNED_BSS): Define.
3160 (PCC_BITFIELD_TYPE_MATTERS): Define.
3161 (USE_CONST_SECTION): Define.
3162 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
3163 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
3164 (SUPPORTS_ONE_ONLY): Remove.
3165 (I386_PE_STRIP_ENCODING): Define.
3166 * config/interix.opt: Delete and move bits to..
3167 * config/i386/interix.opt: ..here. New.
3168 (mpe-aligned-commons): Add.
3169 * config/i386/t-interix: Add copyright header.
3170 (winnt-stubs.o): Add rule.
3172 2012-01-22 Jason Merrill <jason@redhat.com>
3175 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
3176 for extra name aliases.
3178 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
3180 PR rtl-optimization/51924
3181 * ree.c (combine_set_extension): Improve debugging message.
3182 (combine_reaching_defs): Likewise.
3183 (get_defs): Rename confusingly named variable.
3184 (find_and_remove_re): Skip a candidate if the extension expression has
3187 2012-01-21 Robert Millan <rmh@gnu.org>
3188 Gerald Pfeifer <gerald@pfeifer.com>
3190 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
3191 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
3193 2012-01-20 Jakub Jelinek <jakub@redhat.com>
3195 PR tree-optimization/51914
3196 * tree-vect-stmts.c (vectorizable_conversion): For
3197 cvt_type && modifier == WIDEN, put temporary with cvt_type
3198 at the beginning of vec_dsts and set vec_dest to temporary
3201 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
3203 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
3205 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
3207 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
3208 * config/rs6000/rs6000.c: Likewise.
3210 2012-01-20 Jakub Jelinek <jakub@redhat.com>
3213 * config/arm/arm.c (arm_count_output_move_double_insns): Call
3214 output_move_double on a copy of operands array.
3216 2012-01-20 Cary Coutant <ccoutant@google.com>
3217 Dodji Seketeli <dodji@redhat.com>
3220 * dwarf2out.c (copy_declaration_context): Return ref to parent
3221 of declaration DIE, if necessary.
3222 (remove_child_or_replace_with_skeleton): Add new parameter; update
3223 caller. Place skeleton DIE under parent DIE of original declaration.
3224 Move call to copy_declaration_context to here ...
3225 (break_out_comdat_types): ... from here.
3227 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3229 PR rtl-optimization/51856
3230 * reload.c (find_reloads_subreg_address): Set the address_reloaded
3233 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3236 * config/arm/arm.c (arm_print_operand): Correct output of alignment
3237 hints for neon loads and stores.
3239 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
3243 * doc/extend.texi (Named Address Spaces): Split into subsections.
3244 (AVR Named Address Spaces): New subsection.
3245 (M32C Named Address Spaces): New subsection.
3246 (RL78 Named Address Spaces): New subsection.
3247 (SPU Named Address Spaces): New subsection.
3248 (Variable Attributes): New anchor "AVR Variable Attributes".
3249 (AVR Variable Attributes): Rewrite and avoid wording
3250 "address space" in this context.
3251 * doc/invoke.texi (AVR Options): Rewrite and add documentation
3252 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
3253 (AVR Built-in Macros): New subsubsection therein.
3254 * doc/md.texi (AVR constraints): Remove "C04", "R".
3256 2012-01-20 Richard Guenther <rguenther@suse.de>
3258 PR tree-optimization/51903
3259 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
3260 when removing stmts.
3262 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3265 * config/arm/arm.c (arm_load_pic_register): Use
3266 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
3267 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
3268 (arm_pic_static_addr): Likewise.
3269 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
3270 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
3271 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
3272 (pic_load_addr_unified): New.
3274 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
3277 * function.c (instantiate_virtual_regs_in_insn): Use
3278 delete_insn_and_edges when removing a wrong asm insn.
3280 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
3282 PR rtl-optimization/40761
3283 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
3284 Add new member loop_num.
3285 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
3286 (ira_build): Remove the parameter.
3288 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
3289 (ira.c): Do not build CFG loops for one region allocation. Remove
3290 argument from ira_build call.
3292 * ira-build.c (init_loop_tree_node): New function.
3293 (create_loop_tree_nodes): Use it. Separate the case when CFG
3294 loops are not built.
3295 (more_one_region_p): Check current_loops.
3296 (finish_loop_tree_nodes): Separate the case when CFG loops are not
3298 (add_loop_to_tree): Process loop equal to NULL too.
3299 (form_loop_tree): Separate the case when CFG loops are not built.
3300 Use explicitly number for the root.
3301 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
3303 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
3304 instead of loop->num.
3305 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
3306 (mark_all_loops_for_removal): Ditto.
3307 (remove_unnecessary_regions): Separate the case when CFG loops
3309 (ira_build): Remove the parameter. Use explicit number of regions
3310 when CFG loops are not built.
3312 * ira-color.c (print_loop_title): Separate the case for the root node.
3313 Use loop_num instead of loop->num.
3314 (move_spill_restore): Use loop_num instead of loop->num.
3316 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
3317 (change_loop): Ditto.
3318 (change_loop): Use loop_num instead of loop->num.
3320 * ira-lives.c (process_bb_node_lives): Ditto.
3322 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
3324 * ira-conflicts.c (print_allocno_conflicts): Ditto.
3326 2012-01-19 Jakub Jelinek <jakub@redhat.com>
3329 * tree-mudflap.c (mf_artificial): New function.
3330 (execute_mudflap_function_ops, execute_mudflap_function_decls,
3331 mx_register_decls, mudflap_enqueue_decl): Use it.
3334 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
3335 numbers in the insn pattern.
3337 2012-01-19 Michael Matz <matz@suse.de>
3339 PR tree-optimization/46590
3340 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
3341 use it in remembering which conflicts we already created.
3342 (add_scope_conflicts): Adjust call to above, (de)allocate helper
3345 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
3348 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
3349 (merge_and_complain): Same.
3351 2012-01-19 Jakub Jelinek <jakub@redhat.com>
3354 * config/initfini-array.h: Guard content of the header
3355 with #ifdef HAVE_INITFINI_ARRAY.
3356 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
3357 Add initfini-array.h to tm_file here.
3358 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
3359 * config.gcc: Don't add initfini-array.h to tm_file here.
3360 * configure: Regenerated.
3362 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
3364 PR rtl-optimization/51505
3365 * df-problems.c (df_kill_notes): New parameter live. Update comment.
3366 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
3367 (df_note_bb_compute): Update the call to df_kill_notes.
3369 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
3371 * trans-mem.c (requires_barrier): Remove call to is_global_var.
3373 2012-01-18 Richard Guenther <rguenther@suse.de>
3375 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
3376 of conversions to void *.
3378 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3379 Richard Sandiford <rdsandiford@googlemail.com>
3383 * optabs.h (simplify_expand_binop): Declare.
3384 * optabs.c (simplify_expand_binop): Make global.
3385 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
3386 endian targets if the source cannot be exactly covered by word
3389 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3392 * hard-reg-set.h (struct hard_reg_set_container): New type.
3393 * target.h (struct hard_reg_set_container): Forward declare.
3394 * target.def (set_up_by_prologue): New target hook.
3395 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
3396 * doc/tm.texi: Regenerated.
3397 * function.c (thread_prologue_and_epilogue_insns): Change
3398 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
3399 Call targetm.set_up_by_prologue on it.
3400 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
3401 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
3403 2012-01-17 Nick Clifton <nickc@redhat.com>
3405 * config/rx/rx.c (rx_can_use_simple_return): New function.
3406 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
3407 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
3409 2012-01-17 Richard Guenther <rguenther@suse.de>
3412 * expr.c (expand_assignment): Take address-space information
3413 from the address operand of MEM_REF and TARGET_MEM_REF.
3414 (expand_expr_real_1): Likewise.
3416 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3418 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
3419 reload dump is requested.
3421 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
3424 * trans-mem.c (requires_barrier): Call may_be_aliased.
3426 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3428 PR tree-optimization/51877
3429 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
3430 call arguments and fndecls compare equal, instead return false if they
3431 don't. Return true only if lhs1 and lhs2 are either both NULL, or
3432 both SSA_NAMEs that are valueized the same, or they satisfy
3435 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3437 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
3439 * configure: Regenerate.
3441 2012-01-16 Jan Hubicka <jh@suse.cz>
3445 * convert.c (convert_to_integer): Use fold_convert for
3446 converting an INTEGER_CST to integer type.
3448 2012-01-16 Jason Merrill <jason@redhat.com>
3451 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3453 2012-01-16 Jakub Jelinek <jakub@redhat.com>
3456 * config/s390/s390.c (s390_chunkify_start): Don't skip
3457 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
3458 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3459 If insn is followed by NOTE_INSN_VAR_LOCATION or
3460 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3461 Don't use location of note insns.
3463 PR tree-optimization/51865
3464 * tree-inline.c (tree_function_versioning): Call remap_decl
3465 on DECL_RESULT whenever it has VOID_TYPE_P type.
3467 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
3469 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3470 for calls to locally-binding MIPS16 functions if only the return
3471 type uses float regs.
3473 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
3474 Richard Sandiford <rdsandiford@googlemail.com>
3476 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3477 (SYMBOL_32_HIGH): Likewise.
3478 (mips_output_tls_reloc_directive): Declare.
3479 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3480 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3481 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3482 (mips_lo_relocs, mips_hi_relocs): Make extern.
3483 (mips16_stub_function): Move up file.
3484 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3485 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
3486 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
3487 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3488 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
3489 (mips_get_tp): Add MIPS16 support.
3490 (mips_legitimize_tls_address): Remove MIPS16 sorry().
3491 Generalize DTPREL and TPREL handling.
3492 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3493 Add MIPS16 TLS support.
3494 (mips_output_tls_reloc_directive): New function.
3495 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3496 * config/mips/predicates.md (symbolic_operand_with_high)
3497 (tls_reloc_operand): New predicates.
3498 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3499 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3500 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3501 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
3502 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3503 (*tls_get_tp_mips16_call_<mode>): Likewise.
3505 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
3507 PR rtl-optimization/51821
3508 * recog.c (peep2_find_free_register): Determine clobbered registers
3511 2012-01-14 Denis Chertykov <chertykov@gmail.com>
3514 * config/avr/avr-protos.h: Revert change of 2012-01-09.
3515 * config/avr/avr.c: Likewise.
3516 * config/avr/avr.h: Likewise.
3518 2012-01-13 Ian Lance Taylor <iant@google.com>
3521 * tree.h (TYPE_QUALS): Add cast to int.
3522 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3524 2012-01-13 Ian Lance Taylor <iant@google.com>
3526 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3527 comparing param_index to VEC_length result.
3529 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
3531 * c-decl.c: Do not include tree-mudflap.h
3532 * tree-optimize.c: Likewise.
3533 * Makefile.in: Update dependencies.
3535 2012-01-13 Richard Guenther <rguenther@suse.de>
3538 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3539 variable-sized result always use RSO.
3541 2012-01-12 DJ Delorie <dj@redhat.com>
3543 * cfgexpand.c (convert_debug_memory_address): Allow any valid
3544 pointer type, not just the default pointer type.
3546 2012-01-09 Richard Henderson <rth@redhat.com>
3547 Denis Chertykov <chertykov@gmail.com>
3550 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3551 * config/avr/avr.c (avr_can_eliminate): Simplify.
3552 (avr_initial_elimination_offset): Likewise.
3553 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3554 (expand_epilogue): Likewise.
3555 (avr_legitimize_address): Gut.
3556 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3557 (avr_hard_regno_nregs): New.
3558 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3559 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3560 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3561 add soft frame pointer.
3562 (CALL_USED_REGISTERS): Likewise.
3563 (REG_CLASS_CONTENTS): Likewise.
3564 (REGISTER_NAMES): Likewise.
3565 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3566 (HARD_FRAME_POINTER_REGNUM): New.
3567 (FRAME_POINTER_REGNUM): Use soft frame pointer.
3568 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3569 remove the HARD_FRAME_POINTER self-elimination.
3571 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
3574 * config/avr/avr.c (avr_encode_section_info): Test for absence of
3575 DECL_EXTERNAL when checking for initializers of progmem variables.
3577 2012-01-12 Ira Rosen <irar@il.ibm.com>
3579 PR tree-optimization/51799
3580 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3581 that the last operation is a type demotion.
3583 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
3585 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3586 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3588 2012-01-11 Jakub Jelinek <jakub@redhat.com>
3591 * combine.c (distribute_notes): If i3 is a noreturn call,
3592 allow old_size to be equal to args_size and make sure the
3593 noreturn call gets REG_ARGS_SIZE note.
3594 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3595 on noreturn calls even when the delta is 0.
3597 2012-01-11 Nathan Sidwell <nathan@acm.org>
3599 * gcov.c (STRING_SIZE): Remove.
3600 (generate_results): Erase annotations for source files with no
3601 coverage information.
3603 (output_lines): Use it.
3605 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3607 * gimple.h (gimplify_body): Remove first argument.
3608 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
3609 pointer set here, instead just pass DATA to walk_tree.
3610 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
3611 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3612 (unvisit_body): Likewise, but with unmark_visited.
3613 (gimplify_body): Remove BODY_P argument and adjust.
3614 (gimplify_function_tree): Adjust call to gimplify_body.
3615 * omp-low.c (finalize_task_copyfn): Likewise.
3617 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3619 * tree.h (build_function_decl_skip_args): Add boolean parameter.
3620 (build_function_type_skip_args): Delete.
3621 * tree.c (build_function_type_skip_args): Make static and add
3622 SKIP_RETURN parameter. Fix thinko in the handling of variants.
3623 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3624 pass it to build_function_type_skip_args.
3625 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3626 (tree_function_versioning): Likewise.
3627 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3628 build_function_decl_skip_args.
3629 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3630 and pass it to build_function_decl_skip_args/tree_function_versioning.
3631 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3632 * ipa-inline-transform.c (save_inline_function_body): Likewise.
3633 * trans-mem.c (ipa_tm_create_version): Likewise.
3634 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3635 * tree-inline.c (declare_return_variable): Remove always-true test.
3636 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
3637 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3638 * ipa-split.c (split_function): Skip the return value for the split
3639 part if it doesn't return.
3641 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3643 PR tree-optimization/49642
3644 * ipa-split.c (forbidden_dominators): New variable.
3645 (check_forbidden_calls): New function.
3646 (dominated_by_forbidden): Likewise.
3647 (consider_split): Check for forbidden dominators.
3648 (execute_split_functions): Initialize and free forbidden
3649 dominators info; call check_forbidden_calls.
3651 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3653 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3655 2012-01-11 Nick Clifton <nickc@redhat.com>
3657 * config/rx/rx.md (return): Define pattern.
3659 2012-01-11 Richard Guenther <rguenther@suse.de>
3661 * doc/extend.texi (malloc attribute): Adjust according to
3664 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
3665 Patrick Marlier <patrick.marlier@gmail.com>
3668 * trans-mem.c (get_cg_data): Traverse aliases if requested.
3669 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3670 (ipa_tm_note_irrevocable): Same.
3671 (ipa_tm_scan_irr_block): Same.
3672 (ipa_tm_decrement_clone_counts): Same.
3673 (ipa_tm_scan_irr_function): Same.
3674 (ipa_tm_create_version_alias): Same.
3675 (ipa_tm_create_version): Same.
3676 (ipa_tm_transform_calls_redirect): Same.
3677 (ipa_tm_transform_calls): Same.
3678 (ipa_tm_transform_transaction): Same.
3679 (ipa_tm_execute): Same.
3681 2012-01-10 Richard Guenther <rguenther@suse.de>
3684 * opts.c (common_handle_option): Handle -Werror.
3686 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
3688 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3691 2012-01-10 Jason Merrill <jason@redhat.com>
3693 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3696 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3698 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3699 supports R_386_TLS_GD_PLT reloc.
3700 (gcc_cv_as_ix86_tlsldmplt): Check if linker
3701 supports R_386_TLS_LDM_PLT reloc.
3702 * configure: Regenerate.
3703 * config.in: Regenerate.
3705 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
3708 Extend __pgmx semantics to linearize memory.
3709 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3710 determine if code comes inline or from libgcc.
3711 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3712 (movmem_qi, movmem_qi): Set constraint #2 to "n".
3713 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3714 (movmemx_qi, movmemx_hi): New insns.
3715 (xload_<mode>_libgcc): Rewrite to new insn condition.
3716 (xload_<mode>): Remove insns.
3717 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3718 cases that don't satisfy avr_xload_libgcc_p().
3719 (avr_addr_space_convert): Allow converting in any direction.
3720 (avr_addr_space_subset_p): Return always true.
3721 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3722 (avr_emit_movmemhi): Ditto.
3723 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3724 (avr_out_movmem): Ditto.
3725 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3726 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3727 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3728 (avr_encode_section_info): Encode 'progmem' in symbol flags.
3729 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3731 2012-01-10 Richard Guenther <rguenther@suse.de>
3733 PR tree-optimization/50913
3734 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3735 Require data-refs to be representable by Graphite with respect
3738 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
3740 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3741 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3743 2012-01-10 Tom de Vries <tom@codesourcery.com>
3745 PR rtl-optimization/51271
3746 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3747 handling annulled branch.
3749 2012-01-10 Richard Henderson <rth@redhat.com>
3751 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3752 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3753 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3754 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3755 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3756 arm_expand_vec_perm_const): New.
3757 * config/arm/arm-protos.h: Update.
3758 * config/arm/neon.md (UNSPEC_VCONCAT): New.
3759 (*neon_vswp<VDQX>): New.
3760 (neon_vcombine<VDX>): Use neon_split_vcombine.
3761 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3762 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3763 (vec_perm<VE>): New.
3765 2012-01-10 Richard Henderson <rth@redhat.com>
3767 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3768 use it if reload_completed.
3769 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3770 arm_output_asm_insn, arm_process_output_memory_barrier,
3771 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3772 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3773 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3774 arm_process_output_sync_insn, arm_output_sync_insn,
3775 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3776 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3777 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3778 (emit_unlikely_jump): New.
3779 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3780 (arm_split_atomic_op): New.
3781 * config/arm/arm-protos.h: Update.
3782 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3783 (struct arm_sync_generator): Remove.
3784 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3785 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3786 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3787 (VUNSPEC_LL, VUNSPEC_SC): New.
3788 (sync_result, sync_memory, sync_required_value, sync_new_value,
3789 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3790 (attr length): Don't use arm_sync_loop_insns.
3791 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3792 (movsfcc, movdfcc): Likewise.
3793 * config/arm/constraints.md (Ua): New.
3794 * config/arm/prediates.md (mem_noofs_operand): New.
3795 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3796 (sync_clobber, sync_t2_reqd): Remove.
3797 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3798 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3799 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3800 (arm_sync_compare_and_swap<SIDI>): Remove.
3801 (arm_sync_compare_and_swap<NARROW>): Remove.
3802 (arm_sync_lock_test_and_set<SIDI>): Remove.
3803 (arm_sync_lock_test_and_set<NARROW>): Remove.
3804 (arm_sync_new_<syncop><SIDI>): Remove.
3805 (arm_sync_new_<syncop><NARROW>): Remove.
3806 (arm_sync_new_nand<SIDI>): Remove.
3807 (arm_sync_new_nand<NARROW>): Remove.
3808 (arm_sync_old_<syncop><SIDI>): Remove.
3809 (arm_sync_old_<syncop><NARROW>): Remove.
3810 (arm_sync_old_nand<SIDI>): Remove.
3811 (arm_sync_old_nand<NARROW>): Remove.
3812 (*memory_barrier): Merge arm_output_memory_barrier.
3813 (atomic_compare_and_swap<QHSD>): New.
3814 (atomic_compare_and_swap<NARROW>_1): New.
3815 (atomic_compare_and_swap<SIDI>_1): New.
3816 (atomic_exchange<QHSD>): New.
3817 (cas_cmp_operand, cas_cmp_str): New.
3818 (atomic_op_operand, atomic_op_str): New.
3819 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3820 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3821 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3822 (arm_load_exclusive<NARROW>): New.
3823 (arm_load_exclusivesi, arm_load_exclusivedi): New.
3824 (arm_store_exclusive<QHSD>): New.
3826 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
3828 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3829 reload patterns if -mvsx-scalar-memory.
3831 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3832 generated, even -mno-vsx-scalar-double was used.
3833 (vsx_xscvdpsp_scalar): Likewise.
3834 (vsx_xscvspdp_scalar2): Likewise.
3836 2012-01-09 Tom de Vries <tom@codesourcery.com>
3837 Andrew Pinski <apinski@cavium.com>
3840 * reorg.c (fill_slots_from_thread): Don't speculate
3841 frame-related insns.
3843 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
3845 * sched-int.h (bb_note): Move to...
3846 * basic-block.h: ...here.
3847 * haifa-sched.c (bb_note): Move to...
3848 * cfgrtl.c: ...here.
3849 * function.c (next_block_for_reg): New function.
3850 (move_insn_for_shrink_wrap): Likewise.
3851 (prepare_shrink_wrap): Rewrite to use the above.
3853 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
3855 * gimple.c (is_gimple_non_addressable): Remove.
3856 * gimple.h: Remove is_gimple_non_addressable.
3857 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
3858 is_gimple_non_addressable.
3859 * trans-mem.c (expand_assign_tm): Same.
3861 2012-01-09 Richard Guenther <rguenther@suse.de>
3863 PR tree-optimization/51775
3864 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
3865 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
3867 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3869 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3871 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3873 2012-01-09 Richard Guenther <rguenther@suse.de>
3875 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
3877 2012-01-08 Jan Hubicka <jh@suse.cz>
3879 PR tree-optimize/51680
3880 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
3881 on when known_vals needs to be computed; cleanup.
3883 2012-01-08 Jan Hubicka <jh@suse.cz>
3885 PR tree-optimize/51694
3886 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
3888 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
3890 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
3891 for -std=c++98 and -std=c++11 too.
3893 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
3895 * cfgloop.c (cancel_loop): Add free() of bbs array.
3897 2012-01-07 Jan Hubicka <jh@suse.cz>
3899 PR tree-optimization/51600
3900 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
3901 that benefits small functions.
3903 2012-01-07 Jan Hubicka <jh@suse.cz>
3905 * ipa-inline.c (want_inline_small_function_p): Fix formating.
3907 2012-01-07 Jan Hubicka <jh@suse.cz>
3909 PR tree-optimization/51680
3910 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
3911 whose inlining reduce unit size.
3913 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
3916 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
3917 Add canonical node to containing_mem chain after the non-canonical
3918 one, even if there weren't any locs to propagate.
3919 (remove_useless_values): Keep only canonical values.
3920 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
3921 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
3922 canonicalize mem_chain elements that are not discarded.
3924 2012-01-06 Jakub Jelinek <jakub@redhat.com>
3927 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
3928 before emitting functions.
3930 PR gcov-profile/50127
3931 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
3932 clear_aux_for_blocks.
3934 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
3937 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
3939 2012-01-06 Arnaud Charlet <charlet@adacore.com>
3941 * c-decl.c (ext_block): Moved up.
3942 (collect_all_refs, for_each_global_decl): Take ext_block into account.
3944 2012-01-06 Han Shen <shenhan@google.com>
3946 Translate built-in include paths for sysroot.
3947 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
3948 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
3950 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
3951 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
3953 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
3954 control whether sysroot should be prepended to gxx include dir.
3956 * configure: Regenerate.
3958 2012-01-06 Torvald Riegel <triegel@redhat.com>
3960 PR rtl-optimization/51771
3961 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
3962 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
3964 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3966 PR tree-optimization/51315
3967 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
3968 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
3970 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
3973 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
3974 for shrp pattern. Correctly handle and fixup shift variable.
3975 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
3977 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3980 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
3981 note when !ACCUMULATE_OUTGOING_ARGS.
3983 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3985 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
3987 (extract_range_from_unary_expr_1): Avoid useless computations.
3989 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3991 PR rtl-optimization/51767
3992 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
3993 of jump_block and add an extra edge for degenerated asm gotos.
3996 * stmt.c (check_unique_operand_names): Don't ICE during error
3997 reporting if i is from labels chain.
4000 * profile.c (branch_prob): Split bbs that have exit edge
4001 and need a fake entry edge too.
4003 2012-01-05 Jan Hubicka <jh@suse.cz>
4006 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
4009 2012-01-05 Richard Guenther <rguenther@suse.de>
4012 * tree-streamer-out.c (write_ts_optimization): New function.
4013 (streamer_write_tree_body): Call it.
4014 * tree-streamer-in.c (lto_input_ts_optimization): New function.
4015 (streamer_read_tree_body): Call it.
4016 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
4018 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4021 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
4022 * gimplify.c (gimplify_cleanup_point_expr): Save and set
4023 in_cleanup_point_expr before gimplify_stmt call and restore it
4025 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
4026 in_cleanup_point_expr is false.
4028 2012-01-05 Richard Guenther <rguenther@suse.de>
4031 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
4033 * toplev.c (process_options): Reject combining mudflap and LTO.
4034 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
4036 2012-01-05 Richard Guenther <rguenther@suse.de>
4038 PR tree-optimization/51760
4039 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
4041 (bit_value_unop): Handle UNDEFINED operands.
4042 (bit_value_binop): Likewise.
4044 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
4046 * config/avr/avr.c (avr_replace_prefix): Remove.
4047 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
4048 (avr_asm_function_rodata_section): Ditto.
4049 (avr_asm_select_section): Ditto.
4051 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
4053 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
4056 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4059 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
4060 calls that have any non-fake successor edges.
4063 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
4065 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
4067 PR tree-optimization/51624
4068 * tree-sra.c (build_ref_for_model): When replicating a chain of
4069 COMPONENT_REFs, stop as soon as the offset would become negative.
4071 2012-01-04 Jakub Jelinek <jakub@redhat.com>
4074 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
4075 in .debug_loc on the floor.
4077 2012-01-04 Andrew Pinski <apinski@cavium.com>
4079 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
4081 2012-01-04 Andrew Pinski <apinski@cavium.com>
4082 Adam Nemet <anemet@caviumnetworks.com>
4084 * config/mips/mips.md (size): Add SI and DI.
4085 (SIZE): New mode attribute.
4086 (U): New code attribute.
4087 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
4088 (mips_lbux_<mode>): Delete.
4089 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
4090 (mips_lhx): Use gen_mips_lhx_extsi.
4091 (mips_lhx_<mode>): Delete.
4093 (mips_l<size>x): New expand.
4094 (mips_lwx_<mode>): Delete.
4095 (mips_l<GPR:size>x_<P:mode>): New pattern.
4096 (*mips_lw<u>x_<P:mode>_ext): Likewise.
4097 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
4098 * config/mips/mips.c (mips_lx_address_p): New function.
4099 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
4100 (dsp64): New availability predicate.
4101 (mips_builtins): Add an entry for __builtin_mips_ldx.
4102 * config/mips/mips.h (ISA_HAS_LBX): New define.
4103 (ISA_HAS_LBUX): Likewise.
4104 (ISA_HAS_LHX): Likewise.
4105 (ISA_HAS_LHUX): Likewise.
4106 (ISA_HAS_LWX): Likewise.
4107 (ISA_HAS_LWUX): Likewise.
4108 (ISA_HAS_LDX): Likewise.
4109 * doc/extend.texi (__builtin_mips_ldx): Document.
4111 2012-01-04 Tristan Gingold <gingold@adacore.com>
4113 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
4114 when long pointers are used.
4115 * config.build (*-*-*vms*): Handle all OpenVMS targets.
4116 (alpha64-dec-*vms*, alpha*-dec-*vms*)
4117 (ia64-hp-*vms*): Remove.
4118 * config/vms/xm-vms64.h: Delete.
4120 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4123 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
4125 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4127 * opts.c (finish_options): Remove duplicate sorry.
4129 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4132 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
4135 2012-01-04 Richard Guenther <rguenther@suse.de>
4138 * tree.c (size_low_cst): New function.
4139 * tree.h (size_low_cst): Declare.
4140 * fold-const.c (fold_comparison): Use it to extract the low
4141 part of the POINTER_PLUS_EXPR offset.
4143 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
4145 Fix clearing ZERO_REG
4146 * config/avr/avr.md (cc): Add alternative "ldi".
4147 (movqi_insn): Use it in cc attribute.
4148 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
4149 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
4150 (output_reload_insisf): Use ZERO_REG to pre-clear register.
4152 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4154 * configure: Regenerate.
4156 2012-01-04 Richard Guenther <rguenther@suse.de>
4158 PR tree-optimization/49651
4159 * tree-ssa-structalias.c (type_can_have_subvars): New function.
4160 (var_can_have_subvars): Use it.
4161 (get_constraint_for_1): Only consider subfields if there can be any.
4163 2012-01-03 Jakub Jelinek <jakub@redhat.com>
4166 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
4167 to its new canonical_cselib_val and the cselib_val was in
4168 first_containing_mem chain, but the canonical_cselib_val was not,
4169 add the latter into the chain.
4170 (cselib_invalidate_mem): Compare canonical_cselib_val of
4171 addr_list chain elt with v.
4174 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
4175 dwarf2out_undef): Allocate e.info using ggc_strdup instead
4177 (output_macinfo_op): Don't ggc_strdup fd->filename.
4178 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
4179 then ggc_strdup it. Don't free inc->info or cur->info.
4180 (output_macinfo): Don't free ref->info or file->info.
4182 2012-01-03 Ira Rosen <irar@il.ibm.com>
4184 PR tree-optimization/51269
4185 * tree-vect-loop-manip.c (set_prologue_iterations): Make
4186 first_niters a pointer.
4187 (slpeel_tree_peel_loop_to_edge): Likewise.
4188 (vect_do_peeling_for_loop_bound): Update call to
4189 slpeel_tree_peel_loop_to_edge.
4190 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
4191 here. Remove it from the parameters list.
4192 (vect_do_peeling_for_alignment): Update calls and compute
4195 2012-01-03 Richard Guenther <rguenther@suse.de>
4197 PR tree-optimization/51070
4198 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
4199 Properly handle calls.
4201 2012-01-03 Richard Guenther <rguenther@suse.de>
4203 PR tree-optimization/51692
4204 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
4205 the LHS of allocation stmts.
4207 2012-01-03 Olivier Hainque <hainque@adacore.com>
4209 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
4211 2012-01-03 Olivier Hainque <hainque@adacore.com>
4213 * collect2.c (main): In AIX specific computations for vector
4214 insertions, use CONST_CAST2 to cast from char ** to const char **.
4216 2012-01-03 Richard Guenther <rguenther@suse.de>
4219 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
4220 the context of a limbo DIE when it does not already exist.
4222 2012-01-03 Jakub Jelinek <jakub@redhat.com>
4224 PR tree-optimization/51719
4225 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
4226 but direct call is, clear direct call's lhs and don't add fallthrough
4227 edge from dcall_bb to join_bb and PHIs.
4229 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4231 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
4232 the instructions emitted by the pattern.
4233 ("*TDC_insn_<mode>"): Add comment.
4235 2012-01-03 Richard Guenther <rguenther@suse.de>
4238 * fold-const.c (fold_comparison): Properly canonicalize
4239 tree offset and HOST_WIDE_INT bit position.
4241 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
4243 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
4244 operands for extzv pattern.
4246 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4249 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
4252 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
4254 * doc/invoke.texi (-flto and related options): Copy-edit.
4256 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4258 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
4260 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4262 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
4265 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4267 * expr.h (move_by_pieces_ninsns): Declare.
4268 * expr.c (move_by_pieces_ninsns): Make external.
4269 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
4270 (mips_store_by_pieces_p): Likewise.
4271 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
4272 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
4273 * config/mips/mips.c (mips_move_by_pieces_p): New function.
4274 (mips_store_by_pieces_p): Likewise.
4276 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4278 * passes.c (register_one_dump_file): Free full_name.
4280 * reload1.c (reload): Don't allocate reg_max_ref_width here.
4281 (calculate_elim_costs_all_insns): Free offsets_at and
4282 offsets_known_at at the end and clear the pointers.
4284 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4286 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
4287 this option introduced in r180739.
4289 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4292 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
4293 (tmake_file target=avr): Add avr/t-multilib.
4295 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
4296 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
4297 * config/avr/genmultilib.awk: New file.
4298 * config/avr/t-multilib: New auto-generated file.
4299 * config/avr/multilib.h: New auto-generated file.
4300 * config/avr/t-avr (AVR_MCUS): New variable.
4301 (genopt.sh): Use it.
4302 (s-mlib): Depend on t-multilib.
4303 (t-multilib, multilib.h): New dependencies.
4304 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
4305 (MULTILIB_OPTIONS): Remove.
4306 (MULTILIB_MATCHES): Remove.
4307 (MULTILIB_DIRNAMES): Remove.
4308 (MULTILIB_EXCEPTIONS): Remove:
4309 * config/avr/genopt.sh: Don't use hard coded file name;
4310 pass AVR_MCUS from t-avr instead.
4312 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4314 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
4316 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4318 Implement light-weight DImode support.
4319 * config/avr/avr-dimode.md: New file.
4320 * config/avr/avr.md: Include it.
4321 (adjust_len): Add plus64, compare64.
4322 (HIDI): Remove code iterator.
4323 (code_stdname): New code attribute.
4324 (rotx, rotsmode): Remove DI.
4325 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
4327 * config/avr/avr-protos.h (avr_have_dimode): New.
4328 (avr_out_plus64, avr_out_compare64): New.
4329 * config/avr/avr.c (avr_out_compare): Handle DImode.
4330 (avr_have_dimode): New variable definition and initialization.
4331 (avr_out_compare64, avr_out_plus64): New functions.
4332 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
4333 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
4334 (avr_compare_pattern): Skip DImode comparisons.
4336 2012-01-02 Revital Eres <revital.eres@linaro.org>
4338 * ddg.c (def_has_ccmode_p): New function.
4339 (add_cross_iteration_register_deps,
4340 create_ddg_dep_from_intra_loop_link): Call it.
4342 2012-01-02 Richard Guenther <rguenther@suse.de>
4345 * invoke.texi (fassociative-math): Remove spurious paranthesis.
4347 2012-01-01 Jakub Jelinek <jakub@redhat.com>
4349 * gcc.c (process_command): Update copyright notice dates.
4350 * gcov.c (print_version): Likewise.
4351 * gcov-dump.c (print_version): Likewise.
4352 * mips-tfile.c (main): Likewise.
4353 * mips-tdump.c (main): Likewise.
4355 2012-01-01 Ira Rosen <irar@il.ibm.com>
4357 PR tree-optimization/51704
4358 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
4359 a use is inside the basic block or loop before accessing its vect info.
4361 2012-01-01 Jan Hubicka <jhjh@suse.cz>
4363 PR rtl-optimization/51069
4364 * cfgloopmanip.c (remove_path): Removing path making irreducible
4365 region unconditional makes BB part of the region.
4367 2012-01-01 Jakub Jelinek <jakub@redhat.com>
4369 PR tree-optimization/51683
4370 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
4371 calls with side-effects.
4372 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
4374 Copyright (C) 2012 Free Software Foundation, Inc.
4376 Copying and distribution of this file, with or without modification,
4377 are permitted in any medium without royalty provided the copyright
4378 notice and this notice are preserved.