1 2012-05-10 Eric Botcazou <ebotcazou@adacore.com>
3 * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
4 DECL_ORIGINAL_TYPE if it is present.
6 2012-05-09 Georg-Johann Lay <avr@gjlay.de>
8 Backport from 2012-05-12 mainline r187342.
11 * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
12 * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
13 * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
14 * config/avr/avr.c (avr_asm_declare_function_name): Remove.
15 (expand_prologue): Move initialization of cfun->machine->is_naked,
16 is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
17 (avr_set_current_function): ...this new static function.
18 (TARGET_SET_CURRENT_FUNCTION): New define.
19 (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
20 checking attributes of current_function_decl.
21 (avr_regs_to_save): Ditto.
22 (signal_function_p): Rename to avr_signal_function_p.
23 (interrupt_function_p): Rename to avr_interrupt_function_p.
25 * doc/extend.texi (Function Attributes): Better explanation of
26 'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
29 2012-05-09 Matthias Klose <doko@ubuntu.com>
31 * gcc-ar.c (main): Don't check for execute bits for the plugin.
33 2012-05-08 Hans-Peter Nilsson <hp@axis.com>
36 * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
37 when a constant source operand matches an "I" constraint, the "no
38 CC0 change" applies to a register-destination only, not a
39 strict_low_part-destination.
41 2012-05-07 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
43 Backport from mainline:
44 2012-04-19 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
46 * config/arm/sync.md (sync_optab): Change ior attribute to "or".
48 2012-05-07 Jakub Jelinek <jakub@redhat.com>
50 PR tree-optimization/53239
51 * tree-vrp.c (get_value_range): Set VR of
52 SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
55 2012-05-07 Richard Guenther <rguenther@suse.de>
57 PR tree-optimization/53195
58 * tree-inline.c (setup_one_parameter): Properly add referenced
59 vars from the parameters new known value.
61 2012-05-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
63 Backport from mainline:
64 2012-04-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
67 * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
70 2012-05-04 Ian Lance Taylor <iant@google.com>
72 * tree-vect-patterns.c (vect_single_imm_use): Correct return
73 values from false to NULL.
75 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
77 Backport from mainline
78 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
81 * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
82 (TARGET_CMOV): Rename from TARGET_CMOVE.
83 (TARGET_CMOVE): New define.
84 * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
85 Do not set TARGET_CMOVE here.
87 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
89 Backport from mainline:
91 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
93 PR tree-optimization/52633
94 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
95 vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
96 (vect_recog_over_widening_pattern): Remove handling of code that was
97 already detected as over-widening pattern. Remove special handling
98 of "unsigned" cases. Instead, support general case of conversion
99 of the shift result to another type.
101 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
103 * tree-vect-patterns.c (vect_single_imm_use): New function.
104 (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
105 (vect_recog_over_widening_pattern): Likewise.
106 (vect_recog_widen_shift_pattern): Likewise.
108 2012-04-10 Ulrich Weigand <ulrich.weigand@linaro.org>
110 PR tree-optimization/52870
111 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
112 presumed pattern statement is within the same loop or basic block.
114 2012-05-04 Richard Guenther <rguenther@suse.de>
116 * common.opt (flto-report): Do not mark as Optimization.
118 2012-05-04 Eric Botcazou <ebotcazou@adacore.com>
121 * recog.c (constrain_operands): If extra constraints are present, also
122 accept pseudo-registers with equivalent memory locations during reload.
124 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
126 Backport from the mainline
127 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
130 * config/rs6000/rs6000.md (bswapdi splitters): If
131 -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
132 default) is used, generate an alternate sequence that does not
133 depend on using indexed addressing.
135 2012-05-03 David S. Miller <davem@davemloft.net>
138 * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
139 MEM directly into a libcall, mark it's MEM_EXPR as addressable.
140 (sparc_emit_float_lib_cmp): Likewise.
142 2012-05-04 Martin Jambor <mjambor@suse.cz>
144 Backport from mainline
145 2012-05-02 Martin Jambor <mjambor@suse.cz>
148 * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
149 of a variable when the contect is a function.
151 2012-05-03 Jakub Jelinek <jakub@redhat.com>
154 * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
155 append program name to it and pass that as first argument
156 to make_relative_prefix. Always pass standard_libexec_prefix
157 as last argument to make_relative_prefix. If
158 make_relative_prefix returns NULL, fall back to
159 standard_libexec_prefix.
162 * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
166 * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
167 mode, return that mode.
169 2012-05-03 Richard Guenther <rguenther@suse.de>
171 PR tree-optimization/53144
172 * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
174 (vn_reference_lookup_or_insert_for_pieces): ... this. Properly deal
175 with SSA name values.
176 (vn_reference_lookup_3): Adjust callers.
178 2012-05-02 Jakub Jelinek <jakub@redhat.com>
180 PR tree-optimization/53163
181 * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
182 return value from compute_all_dependences.
184 PR rtl-optimization/53160
185 * ree.c (combine_reaching_defs): Handle the case where cand->insn
186 has been modified by ree pass already.
188 2012-05-01 Uros Bizjak <ubizjak@gmail.com>
190 Backport from mainline
191 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
194 * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
195 calls to cgraph_node_name in xstrdup.
196 (ipa_make_edge_direct_to_target): Ditto.
197 * tree-sra.c (convert_callers_for_node): Ditto.
198 * lto-symtab.c (lto_cgraph_replace_node): Ditto.
199 * ipa-cp.c (perhaps_add_new_callers): Ditto.
200 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
201 (cgraph_materialize_all_clones): Ditto.
202 * ipa-inline.c (report_inline_failed_reason): Ditto.
203 (want_early_inline_function_p): Ditto.
204 (edge_badness): Ditto.
205 (update_edge_key): Ditto.
206 (flatten_function): Ditto.
208 (inline_always_inline_functions): Ditto.
209 (early_inline_small_functions): Ditto.
211 2012-04-30 Andreas Tobler <andreast@fgznet.ch>
213 Backport from mainline
214 2012-03-21 Andreas Tobler <andreast@fgznet.ch>
216 * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
217 Introduce emul_name to select the right linker emulation for
218 powerpc64-*-freebsd*.
219 * configure: Regenerate.
220 * config.gcc: Add bits to support powerpc64-*-freebsd*.
221 * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
222 * config/rs6000/freebsd64.h: New file.
223 * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
225 (rs6000_savres_strategy): Likewise.
226 (rs6000_savres_routine_name): Likewise.
227 (rs6000_elf_file_end): Likewise.
228 * config/rs6000/t-freebsd64: New file.
229 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
230 rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
232 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
234 Backport from mainline
235 2012-04-27 Paolo Bonzini <bonzini@gnu.org>
238 * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
240 2012-04-30 Eric Botcazou <ebotcazou@adacore.com>
242 * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
243 predicate to discriminate types.
245 2012-04-27 Richard Guenther <rguenther@suse.de>
248 * convert.c (convert_to_integer): Avoid infinite recursion for
249 target-defined built-in types.
251 2012-04-26 Hans-Peter Nilsson <hp@axis.com>
254 * config/cris/cris.md ("*andhi_lowpart_v32")
255 ("*andqi_lowpart_v32"): Change first input-only operand from
256 a (match_operand ...) to (match_dup 0). Drop alternatives with
257 const_int-matching constraints for redundancy.
258 ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto. Drop
259 three-operand alternative.
261 2012-04-26 Uros Bizjak <ubizjak@gmail.com>
263 Backport from mainline
264 2012-04-23 Uros Bizjak <ubizjak@gmail.com>
266 * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
267 (*addsi_2_zext): Ditto.
268 (*add<mode>_3): Ditto.
269 (*addsi_3_zext): Ditto.
270 (*add<mode>_5): Ditto.
272 2012-04-25 Jakub Jelinek <jakub@redhat.com>
275 * c-typeck.c (set_nonincremental_init,
276 set_nonincremental_init_from_string): Pass true instead of false
277 as IMPLICIT to add_pending_init.
279 2012-04-24 Georg-Johann Lay <avr@gjlay.de>
281 Backport from 2012-04-24 mainline r186768.
284 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
286 2012-04-24 Richard Guenther <rguenther@suse.de>
288 PR tree-optimization/53085
289 * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
292 2012-04-24 Jakub Jelinek <jakub@redhat.com>
295 * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
297 (output_addressed_constants): Likewise.
300 * varasm.c (get_section): Don't ICE for section conflicts with
301 built-in section kinds.
303 2012-04-23 David Edelsohn <dje.gcc@gmail.com>
305 * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
307 2012-04-23 Georg-Johann Lay <avr@gjlay.de>
309 * doc/extend.texi (AVR Named Address Spaces): Fix typos.
311 2012-04-23 Richard Guenther <rguenther@suse.de>
314 * c-typeck.c (build_binary_op): Fix typo.
316 2012-04-23 Jakub Jelinek <jakub@redhat.com>
318 PR tree-optimizations/52891
319 * tree-vect-patterns.c (adjust_bool_pattern): Use
320 build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
321 but with non-standard precision.
323 2012-04-22 Ian Lance Taylor <iant@google.com>
325 * godump.c (go_output_typedef): Dump size of structs.
327 2012-04-20 Ulrich Weigand <ulrich.weigand@linaro.org>
329 Backport from mainline:
331 * config/arm/arm.c (arm_print_operand): Fix invalid alignment
332 hints for 'A' operand types.
334 2012-04-19 Georg-Johann Lay <avr@gjlay.de>
336 Backport from 2012-04-19 mainline r186588.
339 * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
342 2012-04-18 Uros Bizjak <ubizjak@gmail.com>
344 * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
346 2012-04-17 Uros Bizjak <ubizjak@gmail.com>
349 * config/i386/sync.md (atomic_<code><mode>): Rename to
350 atomic_<logic><mode>.
352 2012-04-16 Uros Bizjak <ubizjak@gmail.com>
354 Backport from mainline
355 2012-04-12 Uros Bizjak <ubizjak@gmail.com>
358 * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
359 argument type to __m256i. Update call to __builtin_ia32_permvarsf256.
360 * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
361 (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
362 * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
363 Update builtin type to V8SF_FTYPE_V8SF_V8SI.
364 (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
365 gen_avx2_permvarv8sf.
367 2012-04-16 Martin Jambor <mjambor@suse.cz>
369 Backported from mainline
371 2012-04-13 Martin Jambor <mjambor@suse.cz>
374 * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
375 fold_ctor_reference returns a zero constant.
377 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
379 Backported from mainline
380 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
382 * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
383 and __ILP32__ for x32.
385 2012-04-13 Tom de Vries <tom@codesourcery.com>
387 Backport from mainline r186418.
389 2012-04-13 Tom de Vries <tom@codesourcery.com>
391 * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
392 parameters vuse and vuse_escaped.
393 (find_duplicate): Init vuse1, vuse2 and vuse_escaped. Pass to
394 gsi_advance_bw_nondebug_nonlocal. Return if vuse_escaped and
397 2012-04-13 Richard Guenther <rguenther@suse.de>
399 PR tree-optimization/52969
400 * tree-if-conv.c (predicate_mem_writes): Properly gimplify
401 the condition for the COND_EXPR and handle predicate negation
402 by swapping the COND_EXPR arms.
404 2012-04-13 Richard Guenther <rguenther@suse.de>
407 * convert.c (convert_to_pointer): Remove special-casing of
410 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
412 Backport from mainline
413 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
416 * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
417 the list of options to enable the FCFID instruction.
418 (TARGET_EXTRA_BUILTINS): Adjust comment.
420 2012-04-12 Richard Guenther <rguenther@suse.de>
422 PR tree-optimization/52943
423 * tree-chrec.h (chrec_is_positive): Remove.
424 * tree-scalar-evolution.c (chrec_is_positive): Move ...
425 * tree-data-ref.c (chrec_is_positive): ... here. Make static.
426 Return false for a constant zero instead of negative.
427 (analyze_siv_subscript_cst_affine): Handle zero difference
428 in the initial condition explicitely.
430 2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
433 * varasm.c (process_pending_assemble_externals): Set
434 pending_assemble_externals_processed true.
435 (assemble_external): Call assemble_external_real if the pending
436 assemble externals have been processed.
438 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
441 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
442 the DECL generated for the special GOT helper.
444 2012-04-06 Walter Lee <walt@tilera.com>
446 Backport from mainline
447 2012-03-07 Walter Lee <walt@tilera.com>
449 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
450 REG_CFA_* notes for the stack pointer.
451 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
452 EH_RETURN_STACKADJ_RTX.
453 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
454 generate REG_CFA_* notes for the stack pointer.
455 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
456 by EH_RETURN_STACKADJ_RTX.
458 2012-04-06 Matt Turner <mattst88@gmail.com>
460 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
462 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
464 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
465 of the destination isn't also a FP_REGS register.
467 2012-04-03 Richard Guenther <rguenther@suse.de>
469 Backport from mainline
470 2012-03-02 Richard Guenther <rguenther@suse.de>
472 PR tree-optimization/52406
473 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
474 (struct indices): Add unconstrained_base member.
475 (struct dr_alias): Remove unused vops member.
476 (DR_UNCONSTRAINED_BASE): New define.
477 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
478 add indices to allow their disambiguation. Make DR_BASE_OBJECT
479 be an artificial access that covers the whole indexed object,
480 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
481 plain decl base-objects to their MEM_REF variant.
482 (dr_may_alias_p): When the base-object of either data reference
483 has unknown size use only points-to information.
484 (compute_affine_dependence): Make dumps easier to read and
486 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
487 DR_REF when looking for packed references.
488 (vect_supportable_dr_alignment): Likewise.
490 2012-04-03 Richard Guenther <rguenther@suse.de>
492 Backport from mainline
493 2012-03-15 Richard Guenther <rguenther@suse.de>
496 * tree-data-ref.c (subscript_dependence_tester_1): Check
497 all dimensions for non-conflicting access functions.
499 2012-04-03 Richard Guenther <rguenther@suse.de>
501 Backport from mainline
502 2012-03-06 Richard Guenther <rguenther@suse.de>
505 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
507 2012-03-23 Richard Guenther <rguenther@suse.de>
509 PR tree-optimization/52678
510 * tree-vectorizer.h (struct _stmt_vec_info): Add
511 loop_phi_evolution_part member.
512 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
513 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
514 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
515 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
516 Use the cached evolution part and the PHI nodes value from
517 the loop preheader edge instead of re-analyzing the evolution.
519 2012-03-26 Richard Guenther <rguenther@suse.de>
521 PR tree-optimization/52701
522 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
523 compute and set the evolution part of PHI nodes.
525 2012-03-30 Richard Guenther <rguenther@suse.de>
527 PR tree-optimization/52754
528 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
529 propagate arbitrary addresses into really plain dereferences.
531 2012-04-03 Jakub Jelinek <jakub@redhat.com>
533 PR tree-optimization/52835
534 * tree-data-ref.c (build_rdg): Return NULL if
535 compute_data_dependences_for_loop failed.
537 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
539 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
540 (stmt_can_make_abnormal_goto): Use it.
541 (is_ctrl_altering_stmt): Likewise.
543 2012-03-31 Martin Jambor <mjambor@suse.cz>
545 Backported from mainline
546 2012-03-30 Martin Jambor <mjambor@suse.cz>
548 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
549 is a builtin_stack_save in a dominating BB.
551 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
553 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
554 crossing 128bit lane boundary.
556 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
558 Backported from mainline
559 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
562 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
564 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
565 * config/i386/i386.c: Include reload.h.
566 (ix86_legitimize_reload_address): New function.
568 2012-03-28 Martin Jambor <mjambor@suse.cz>
570 Backported from mainline
571 2012-03-27 Martin Jambor <mjambor@suse.cz>
574 * tree-sra.c (sra_modify_assign): Do not call
575 load_assign_lhs_subreplacements when working with an unscalarizable
578 2012-03-28 Jakub Jelinek <jakub@redhat.com>
581 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
582 __builtin_va_start to __builtin_next_arg if the latter is
583 builtin_decl_explicit_p rather than when it is not.
586 * tree-vect-generic.c (vector_element): Perform multiplication
587 for pos in bitsizetype type instead of idx type.
589 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
591 Backport from 2012-03-28 mainline r185910.
594 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
595 (avr_builtin_decl): New static function.
596 (struct avr_builtin_description, avr_bdesc): Move up.
597 Add GTY marker. Add field fndecl. Remove redundant field id.
598 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
599 (avr_expand_builtin): Code cleanup because .id is removed.
601 2012-03-28 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
604 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
607 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
609 Backport from 2012-03-28 mainline r185907.
612 * config.gcc (tm_file): Remove avr/multilib.h.
614 * doc/invoke.texi (AVR Options): Adjust
615 documentation of -mtiny-stack.
617 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
618 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
619 * config/avr/t-avr: Remove generation of multilib.h.
620 * config/avr/t-multilib: Regenerate.
621 * config/avr/multilib.h: Remove.
622 * config/avr/avr.opt (-msp8): New option.
623 (avr_sp8): New variable.
624 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
625 * config/avr/avr.h (AVR_HAVE_SPH): New define.
626 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
627 (avr_device_to_sp8): New prototype.
628 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
629 (DRIVER_SELF_SPECS): New define.
630 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
631 __AVR_SP8__, __AVR_HAVE_SPH__.
632 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
633 AVR_HAVE_8BIT_SP to decide if SP_H is present.
634 (avr_file_start): Ditto.
636 2012-03-28 Jakub Jelinek <jakub@redhat.com>
639 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
640 instead of 8 in adjust_address.
642 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
644 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
645 of a unit before computing the offset in units.
647 2012-03-27 Richard Guenther <rguenther@suse.de>
650 * fold-const.c (try_move_mult_to_index): Handle &x.array more
653 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
656 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
658 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
661 * varasm.c: Include pointer-set.h.
662 (pending_assemble_externals_set): New pointer set.
663 (process_pending_assemble_externals): Destroy the pointer set.
664 (assemble_external): See if decl is in pending_assemble_externals_set,
665 and add it to pending_assemble_externals if necessary.
666 (init_varasm_once): Allocate pending_assemble_externals_set.
668 2012-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
670 Backported from mainline
671 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
674 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
675 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
676 (vector_ltgt<mode>): Likewise.
677 (vector_ordered<mode>): Likewise.
678 (vector_unordered<mode>): Likewise.
679 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
681 2012-03-23 Joern Rennecke <joern.rennecke@embecosm.com>
683 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
686 2012-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
688 Backported from mainline
689 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
693 * config/sh/sh.c (sh_register_move_cost): Increase cost between
694 GENERAL_REGS and FP_REGS for SImode.
696 2012-03-22 Jakub Jelinek <jakub@redhat.com>
699 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
700 on any new_local_var_chain vars declared during recursing on
701 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
703 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
705 Backport from 2012-03-22 mainline r185692.
708 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
709 (unspecv): Add UNSPECV_MEMORY_BARRIER.
710 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
711 (delay_cycles_1, delay_cycles_2): Ditto.
712 (delay_cycles_3, delay_cycles_4): Ditto.
713 (nopv, *nopv): Ditto.
714 (sleep, *sleep): Ditto.
717 Backport from 2012-03-21 mainline r185605.
719 PR rtl-optimization/52543
721 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
722 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
723 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
724 (avr_load_libgcc_p): Restrict to __flash loads.
725 (avr_out_lpm): Only handle 1-byte loads from __flash.
726 (avr_load_lpm): New function.
727 (avr_find_unused_d_reg): Remove.
728 (avr_out_lpm_no_lpmx): Remove.
729 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
730 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
731 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
732 (load_<mode>, load_<mode>_clobber): New insns.
733 (mov<mode>): For multi-byte move from non-generic
734 16-bit address spaces: Expand to load_<mode> resp.
736 (load<mode>_libgcc): Remove expander.
737 (split-lpmx): Remove split.
739 Backport from 2012-03-13 mainline r185329.
742 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
743 offset (size) to a value the insns can deal with.
744 (expand_epilogue): Ditto.
746 Backport from 2012-03-12 mainline r185256.
749 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
750 type from reg_class_t to enum reg_class.
751 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
753 Backport from 2012-03-12 mainline r185253.
756 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
757 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
758 r184615 from 2012-02-28.
760 Backport from 2012-03-08 mainline r185105.
762 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
763 for constants in [-63,63].
765 Backport from 2012-03-08 mainline r185100.
768 * config/avr/avr.c (avr_mem_clobber): New static function.
769 (avr_expand_delay_cycles): Add memory clobber operand to
770 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
771 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
772 (enable_interrupt, disable_interrupt): New expander.
773 (nopv, sleep, wdr): New expanders.
774 (delay_cycles_1): Add memory clobber.
775 (delay_cycles_2): Add memory clobber.
776 (delay_cycles_3): Add memory clobber.
777 (delay_cycles_4): Add memory clobber.
778 (cli_sei): New insn from former "enable_interrupt",
779 "disable_interrupt" with memory clobber.
780 (*wdt): New insn from former "wdt" with memory clobber.
781 (*nopv): Similar, but for "nopv".
782 (*sleep): Similar, but for "sleep".
784 Backport from 2012-03-07 mainline r185043.
787 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
789 Backport from 2012-03-07 mainline r185032.
792 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
793 to: RAMPZ, RAMPY, RAMPX, RAMPD.
794 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
796 Backport from 2012-03-07 mainline r185031.
799 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
801 * config/avr/avr.md (xload_8): Adjust insn length.
803 Backport from 2012-03-07 mainline r185030.
806 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
807 if RAMPZ affects reading from RAM.
809 Backport from 2012-03-05 mainline r184919.
811 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
813 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
815 Backport from mainline r185259.
818 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
819 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
821 2012-03-22 Jakub Jelinek <jakub@redhat.com>
823 Backported from mainline
824 2012-03-13 Jakub Jelinek <jakub@redhat.com>
827 * c-parser.c (c_parser_postfix_expression)
828 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
830 * config/i386/smmintrin.h: Avoid /* within a comment.
831 * config/i386/nmmintrin.h: Likewise.
833 2012-03-22 Richard Guenther <rguenther@suse.de>
835 * BASE-VER: Set to 4.7.1.
836 * DEV-PHASE: Set to prerelease.
838 2012-03-22 Release Manager
840 * GCC 4.7.0 released.
842 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
844 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
846 2012-03-15 Jakub Jelinek <jakub@redhat.com>
847 Andrew Pinski <apinski@cavium.com>
850 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
851 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
852 calls instead of __builtin_ir{int,ound}*.
854 2012-03-14 Jakub Jelinek <jakub@redhat.com>
857 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
860 2012-03-13 Joseph Myers <joseph@codesourcery.com>
862 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
863 Refer to GCC 4.7 version of c99status.html.
865 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
867 Backport from mainline
868 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
870 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
871 redefine to be NULL if the current bit-size is different from the
874 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
875 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
876 set the default tuning. Add asserts to make sure the cpu and tune
877 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
878 test whether the index is set, instead of > 0.
879 (rs6000_file_start): Do not reset the default cpu if the current
880 bit-size is different from the configured bit-size.
882 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
884 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
886 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
887 Update binutils references.
888 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
889 Update binutils reference.
890 Update Sun as/GNU ld caveat.
891 Document binutils largefile requirement for LTO plugin.
892 Remove reference to alternate libpthread.
894 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
896 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
898 (Specific, mips-sgi-irix6): Likewise.
900 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
902 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
903 * configure: Regenerate.
905 2012-03-07 Richard Henderson <rth@redhat.com>
907 * config/m68k/m68k.h (ISA_HAS_TAS): New.
908 * config/m68k/sync.md (atomic_test_and_set): Use it.
909 (atomic_test_and_set_1): Likewise.
911 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
914 * Makefile.in: Let install-gcc-ar depend on installdirs,
915 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
916 Don't double canonicalize if cross-compiling.
918 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
920 * trans-mem.c: New typedef for tm_region_p.
921 Define vector types for tm_region_p.
922 (tm_region_init): Replace region_worklist to a vector called
925 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
928 * trans-mem.c (tm_region_init): Use last_basic_block.
930 2012-03-05 Richard Henderson <rth@redhat.com>
933 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
934 * omp-low.c (expand_omp_atomic): Assume anything aligned to
935 BIGGEST_ALIGNMENT is aligned.
937 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
939 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
941 2012-03-05 Richard Henderson <rth@redhat.com>
944 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
945 instead of calling negqi2 directly.
947 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
949 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
950 (INTMAX_TYPE): Use it.
951 (UINTMAX_TYPE): Likewise.
952 (SUBTARGET_OVERRIDE_OPTIONS): Define.
953 (irix6_c_common_override_options): Declare.
954 (C_COMMON_OVERRIDE_OPTIONS): Define.
955 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
956 * config/mips/irix6-c.c: New file.
957 * config/mips/t-irix6 (irix6-c.o): New target.
958 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
961 2012-03-02 Richard Henderson <rth@redhat.com>
963 * optabs.c (expand_atomic_test_and_set): Honor
964 atomic_test_and_set_trueval even when atomic_test_and_set
967 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
969 Backport from mainline
970 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
972 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
974 2012-03-02 Richard Guenther <rguenther@suse.de>
976 * DEV-PHASE: Set to prerelease.
978 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
980 * config.gcc (obsolete): Add all ARM targets using the FPA.
981 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
982 * doc/install.texi: Avoid references to obsolete ARM ports.
984 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
986 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
988 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
989 Joern Rennecke <joern.rennecke@embecosm.com>
991 * doc/extend.texi: Expand and update information on interrupt
992 attribute for Epiphany.
994 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
996 * config/sh/sh-protos.h: Update copyright notice dates.
997 * config/sh/sh.h: Likewise.
998 * config/sh/sh.md: Likewise.
999 * config/sh/constraints.md: Likewise.
1000 * config/sh/predicates.md: Likewise.
1002 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1004 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1005 * config/sh/sh.c (tertiary_reload_operand): Likewise.
1007 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1009 * config/sh/constraints.md: Fix comment typo.
1011 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1014 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
1015 unsigned HOST_WIDE_INT.
1016 (zvdep_imm64): Likewise.
1017 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
1018 (vdepi_and): Likewise.
1019 Likewise for unamed 64-bit patterns.
1020 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
1022 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
1025 PR rtl-optimization/52417
1026 * cselib.c (cselib_any_perm_equivs): New variable.
1027 (cselib_reset_table): Check that it's not set when not
1028 preserving constants.
1029 (cselib_add_permanent_equiv): Set it.
1030 (cselib_have_permanent_equivalences): New.
1031 (cselib_init, cselib_finish): Reset it.
1032 * cselib.h (cselib_have_permanent_equivalences): Declare.
1033 * alias.c (get_addr): Restore earlier behavior when there
1034 aren't permanent equivalences.
1036 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
1038 * config/mn10300/mn10300-modes.def: Fix copyright notice.
1039 * config/v850/v850-modes.def: Fix copyright notice.
1041 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
1043 * doc/extend.texi (AVR Built-in Functions): Document
1044 __builtin_avr_flash_segment.
1046 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
1047 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
1048 (*split.flash_segment): New insn-and-split.
1049 * config/avr/avr.c (avr_init_builtins): Add local variables:
1050 const_memx_void_node, const_memx_ptr_type_node,
1051 char_ftype_const_memx_ptr.
1053 2012-03-01 Jakub Jelinek <jakub@redhat.com>
1055 PR tree-optimization/52445
1056 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
1057 add ssa_name_ver, offset and size fields and change store field
1059 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
1060 (add_or_mark_expr): Likewise. Only consider previous stores
1061 with the same size and offset.
1062 (nt_init_block): Only look at gimple_assign_single_p stmts,
1063 doesn't look at rhs2.
1065 2012-03-01 Richard Guenther <rguenther@suse.de>
1068 * tree-cfg.c (verify_gimple_assign_unary): Allow any
1069 conversions from integral types to pointer types.
1071 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
1073 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
1074 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
1075 unintentionally removed in r184616.
1077 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
1079 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
1082 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1083 Uros Bizjak <ubizjak@gmail.com>
1086 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
1087 alternatives, add "e" constraint to the new last alternative
1088 and ! to last 3 alternatives.
1090 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
1092 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
1093 DW_AT_artificial attributes at the end of the processing.
1094 (gen_array_type_die): Likewise.
1095 (gen_enumeration_type_die): Likewise.
1096 (gen_struct_or_union_type_die): Likewise.
1097 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
1100 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1103 * expr.c (expand_assignment): If doing misaligned store that doesn't
1104 cover all mode bits, perform a RMW cycle.
1106 PR tree-optimization/52429
1107 * tree-parloops.c (separate_decls_in_region_debug): Return early
1108 if var is LABEL_DECL.
1110 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1112 PR tree-optimization/52424
1113 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
1114 calling dom_thread_across_edge.
1116 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1118 * config/avr/avr.c: Move definition of TARGET macros to end of file.
1120 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1122 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
1123 * config/avr/avr.c (avr_output_bld): Remove unused function.
1124 (avr_out_sbxx_branch): Use "%T" to print bit position.
1126 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1128 * config/avr/avr.md: Untabify.
1130 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1132 * config/avr/avr.md (eqne): New code iterator.
1133 (*dec-and-branchsi): Use it in text peephole's condition.
1134 (*dec-and-branchhi): Ditto.
1135 (*dec-and-branchqi): Ditto.
1137 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1140 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
1141 the device does not have the skip-bug.
1143 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
1145 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
1146 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
1147 -mpretend-cmove): New.
1149 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1152 * df.h (struct df_d): Adjust comment that hard_regs_live_count
1153 doesn't count DEBUG_INSN refs.
1154 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
1155 for DEBUG_INSN refs.
1157 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1161 2012-02-20 Richard Guenther <rguenther@suse.de>
1162 PR tree-optimization/52298
1163 * tree-vect-stmts.c (vectorizable_load): Properly use
1164 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1167 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
1170 * gimple.h (gimple_in_transaction): New.
1171 (gimple_set_in_transaction): New.
1172 (struct gimple_statement_base): Add in_transaction field.
1173 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
1175 (tree_ssa_lim_initialize): Compute transaction bits.
1176 * tree.h (compute_transaction_bits): Protoize.
1177 * trans-mem.c (tm_region_init): Use the heap to store BB
1179 (compute_transaction_bits): New.
1181 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1183 * gcc.c (display_help): Document --help=common and sort entries
1186 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1188 * doc/install.texi: Document check-$LANG specific shortcuts
1190 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1193 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
1195 * config/arm/arm_neon.h: Regenerate.
1196 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
1197 (neon_vcgeu): New insn.
1198 (neon_vcgtu): Likewise.
1199 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
1200 (ops): Unsigned comparison intrinsics call a different
1203 2012-02-28 Richard Guenther <rguenther@suse.de>
1206 * config/i386/i386.c (ix86_expand_vector_set): Fix element
1207 ordering for the VEC_CONCAT for two element vectors for
1208 V2SFmode, V2SImode and V2DImode.
1210 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
1213 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
1214 detecting big-endian triplets.
1216 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
1218 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
1219 mode if there is no type information available.
1221 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
1223 PR tree-optimization/53207
1224 * doc/invoke.texi: Document as experimental and relying on graphite.
1226 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1228 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
1229 of initializer to changes from r184614.
1231 2012-02-28 Richard Guenther <rguenther@suse.de>
1233 PR tree-optimization/52395
1234 * tree-sra.c (build_ref_for_offset): Also look at the base
1235 TYPE_ALIGN when figuring out the alignment of the replacement.
1237 2012-02-28 Richard Guenther <rguenther@suse.de>
1239 PR tree-optimization/52402
1240 * ipa-prop.c (ipa_modify_call_arguments): Properly use
1241 mis-aligned types when creating the accesses at the call site.
1243 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1245 * config/avr/builtins.def: New file.
1246 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
1247 * config/avr/avr.c (enum avr_builtin_id): Use it.
1248 (avr_init_builtins): Use it. And use avr_bdesc.
1249 (bdesc_1arg): Remove.
1250 (bdesc_2arg): Remove.
1251 (bdesc_3arg): Remove.
1252 (struct avr_builtin_description): Add field n_args.
1253 (avr_bdesc): New static variable using builtins.def.
1254 (avr_expand_builtin): Use it.
1255 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
1256 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
1257 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
1259 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1262 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
1263 match only one single hard register with respective hard reg rtx.
1264 (movmemx_<mode>): Ditto.
1265 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
1266 insn anatomy of movmem[x]_<mode>.
1267 (avr_out_movmem): Same for printing assembler and operand usage.
1269 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1273 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
1274 address spaces located outside of device flash.
1276 * config/avr/avr.h (base_arch_s): Remove field n_segments.
1277 (mcu_type_s): Add field n_flash.
1278 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
1279 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
1280 (AVR_MCU): Add N_FLASH argument.
1281 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
1282 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
1283 macro __FLASH<n> if that address space makes sense for the device.
1284 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
1285 outside of target flash.
1286 (avr_asm_named_section): Ditto.
1287 (avr_asm_select_section): Ditto.
1288 (avr_addr_space_convert): Ditto.
1289 (avr_emit_movmemhi): Ditto.
1290 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
1291 address space is outside of device flash.
1292 (avr_insert_attributes): Ditto.
1293 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
1294 avr_current_arch->n_segments.
1296 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
1299 * config/i386/i386.md (*movabs<mode>_1): Enable only for
1301 (*movabs<mode>_2): Likewise.
1303 2012-02-27 Jakub Jelinek <jakub@redhat.com>
1306 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
1307 s_register_operand in the test instead of REG_P. Don't call
1308 gen_reg_rtx if it won't be used.
1310 PR tree-optimization/52376
1311 * ipa-split.c (split_function): Ignore CLOBBER stmts.
1313 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
1315 * ifcvt.c (noce_get_condition): Check condition variable is not
1316 small_register_classes_for_mode_p before accepting.
1318 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
1320 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1322 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1325 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1326 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1328 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1330 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
1332 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1334 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
1336 * config/sh/predicates.md: Remove blank lines.
1337 * config/sh/sh.c: Fix typos in comments.
1338 * config/sh/constraints.md: Likewise.
1339 * config/sh/sh.md: Remove blank lines.
1340 Fix typos in comments. Use ;; as comment characters.
1342 2012-02-26 Walter Lee <walt@tilera.com>
1344 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1345 (replace_mov_pcrel_step2): Ditto.
1347 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
1350 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1351 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
1352 and locs that reference values newer than the non-canonical value
1353 at hand. Return the canonical value as a worst case.
1354 (memrefs_conflict_p): Walk canonical value's locs.
1357 * cselib.c (preserve_only_constants): Rename to...
1358 (preserve_constants_and_equivs): ... this. Split out...
1359 (invariant_or_equiv_p): ... this. Preserve plus expressions
1360 of other preserved expressions too.
1361 (cselib_reset_table): Adjust.
1362 * var-tracking.c (reverse_op): Use canonical value to build
1365 2012-02-23 Kai Tietz <ktietz@redhat.com>
1367 * config/i386/i386.c (ix86_delegitimize_address): Handle
1368 UNSPEC_PCREL plus displacement.
1370 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
1373 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1374 to test for unusedness in st X addressing.
1376 2012-02-24 Richard Guenther <rguenther@suse.de>
1379 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1380 (is_gimple_reg_type): Move inline ...
1381 * gimple.h (is_gimple_reg_type): ... here.
1383 2012-02-24 Richard Guenther <rguenther@suse.de>
1386 * passes.c (execute_function_todo): When verifying SSA form
1387 verify gimple form first.
1388 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1390 2012-02-24 Richard Guenther <rguenther@suse.de>
1393 * fold-const.c (fold_addr_of_array_ref_difference): New function.
1394 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1396 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1398 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1400 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1402 * tree-phinodes.c (make_phi_node): Mark static.
1403 * tree-flow.h (make_phi_node): Remove extern decl.
1404 * doc/gimple.texi (make_phi_node): Remove documentation.
1406 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1408 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1409 * tree-ssa-sccvn.c (print_scc): Ditto.
1411 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1413 * doc/passes.texi (Full redundancy elimination): Fix typo.
1415 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1417 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1419 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
1422 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1424 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
1427 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1429 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
1431 * config/avr/avr.md (code_stdname): Add ior, xor.
1432 (xior): New code iterator.
1433 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1434 (*<code_stdname><mode>qi.byte1-3): Ditto.
1436 2012-02-23 Jakub Jelinek <jakub@redhat.com>
1438 PR tree-optimization/52019
1439 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1442 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1444 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1445 HAVE_INITFINI_ARRAY to work around namespace pollution in
1446 certain versions of newlib system headers.
1447 * config.in: Regenerate.
1448 * configure: Regenerate.
1449 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1450 instead of HAVE_INITFINI_ARRAY.
1452 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
1455 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1456 is not offsettable memory reference.
1458 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1461 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1462 setting avr_need_clear_bss_p for __gnu_lto* symbols.
1464 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1466 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1467 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1469 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1471 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1472 library on Solaris 8 even without TLS support.
1473 * configure: Regenerate.
1475 2012-02-22 Richard Guenther <rguenther@suse.de>
1478 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1479 for GIMPLE_DEBUG stmts.
1481 2012-02-22 Martin Jambor <mjambor@suse.cz>
1484 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1485 according to the base object.
1487 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1489 PR rtl-optimization/50063
1490 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1491 and 2 (8-bit SP) in operand 2.
1492 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1493 setup to use movhi_sp_r instead of vanilla move to write SP.
1494 Adjust REG_CFA notes to superseed unspec.
1495 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1497 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1498 known to be off) only with TARGET_NO_INTERRUPTS. Never use
1499 irq_state 1 (IRQ known to be on) here.
1501 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
1503 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1505 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1506 assign_hard_reg): Likewise.
1508 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1510 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1512 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1515 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1516 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1518 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1520 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1521 prototype from here to...
1522 * config/avr/avr.h: ...here.
1524 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
1527 * thumb2.md (thumb2_shiftsi3_short): Split register and
1528 immediate shifts. For register shifts tie operands 0 and 1.
1529 (peephole2 for above): Check that register-controlled shifts
1530 have suitably tied operands.
1532 2012-02-21 Quentin Neill <quentin.neill@amd.com>
1535 * config/i386/bdver1.md (bdver1_call, bdver1_push,
1536 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1537 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1538 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1539 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1540 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1541 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1542 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1543 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1544 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1545 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1546 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1547 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1548 bdver1_ssevector_avx256_unaligned_load,
1549 bdver1_ssevector_sse128_unaligned_load,
1550 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1551 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1552 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1553 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1554 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1555 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1556 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1557 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1558 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1559 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1560 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1561 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1562 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1563 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1564 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1565 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1566 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1567 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1568 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1569 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1570 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1571 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1572 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1573 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1574 bdver1_ssediv_double_load, bdver1_ssediv_double,
1575 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1576 Add "bdver2" attribute.
1578 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1580 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1581 default if possible and not specified otherwise.
1583 2012-02-21 Richard Guenther <rguenther@suse.de>
1586 * gimplify.c (create_tmp_from_val): Use the main variant type
1587 for the type of the temporary we create.
1589 2012-02-21 Richard Guenther <rguenther@suse.de>
1591 PR tree-optimization/52324
1592 * gimplify.c (gimplify_expr): When re-gimplifying expressions
1593 do not gimplify a MEM_REF address operand if it is already
1596 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1598 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1599 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1601 2012-02-21 Richard Guenther <rguenther@suse.de>
1603 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1604 nested_in_vect_loop.
1606 2012-02-21 Jakub Jelinek <jakub@redhat.com>
1608 PR tree-optimization/52318
1609 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1610 vdef also to non-pure/const call stmts in the sequence.
1612 2012-02-20 David S. Miller <davem@davemloft.net>
1614 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1615 don't use the "rd %pc" instruction on v9 for PIC register loads.
1617 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
1620 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1621 in a transaction safe function.
1623 2012-02-20 Kai Tietz <ktietz@redhat.com>
1626 * stor-layout.c (place_field): Handle desired_align for
1629 2012-02-20 Richard Guenther <rguenther@suse.de>
1631 PR tree-optimization/52298
1632 * tree-vect-stmts.c (vectorizable_store): Properly use
1633 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1635 (vectorizable_load): Likewise.
1636 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1637 Access DR_STEP after ensuring it is not NULL.
1639 2012-02-20 Jakub Jelinek <jakub@redhat.com>
1641 PR tree-optimization/52286
1642 * fold-const.c (fold_binary_loc): For (X & C1) | C2
1643 optimization use double_int_to_tree instead of build_int_cst_wide,
1644 rewrite to use double_int vars.
1646 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1649 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1651 Remove -e 0 from $gcc_cv_ld invocation.
1652 Only use __GLIBC_PREREQ if defined.
1653 Enable on Solaris since Solaris 8 patch.
1654 (gcc_SUN_LD_VERSION): New macro.
1655 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1656 gcc_SUN_LD_VERSION for version number format.
1657 * configure: Regenerate.
1658 * varasm.c (get_elf_initfini_array_priority_section): Set
1659 SECTION_NOTYPE for non-default priority.
1660 Use get_section instead of get_unnamed_section to emit
1661 .init_array/.fini_array with default priority.
1663 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1665 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1666 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
1667 (mips_start_unique_function, mips_output_mips16_rdhwr)
1668 (mips_code_end): New functions.
1669 (TARGET_ASM_CODE_END): Define.
1671 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1673 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1674 to stubs with non-sibling calls.
1676 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
1678 * doc/invoke.texi (-fira-* options): Copy-edit.
1679 (ira-* parameters): Copy-edit.
1681 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1683 * doc/invoke.texi: Minor copy-edits to bring into conformance with
1684 GCC coding conventions.
1686 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1688 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1689 when used as adjectives.
1691 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
1693 * doc/invoke.texi: Clean up "that"/"which" confusion.
1695 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
1697 * system.h: Poison SMALL_REGISTER_CLASSES
1698 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1699 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1701 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1703 PR tree-optimization/52285
1704 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1705 when deciding if a call is a tail call or tail recursion.
1707 2012-02-16 Kai Tietz <ktietz@redhat.com>
1709 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1710 interger-constant displacement for UNSPEC_PCREL.
1712 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1714 PR rtl-optimization/52208
1715 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1716 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1718 PR tree-optimization/52255
1719 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1720 loop->header has virtual PHI, but exit_e->dest doesn't, add
1721 virtual PHI to exit_e->dest and adjust all uses after the loop.
1724 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1725 children with clone_tree_hash, not after it.
1727 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
1729 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1730 extended identifiers.
1732 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1735 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1736 a same_body_alias, also test whether e->callee isn't a former
1737 or current clone of the decl this is a same body alias of.
1739 PR translation/52264
1740 * cgraphunit.c (verify_cgraph_node): Fix a typo.
1742 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
1744 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1746 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
1749 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1750 force_reg instead of copy_to_reg for better optimization. Force
1751 non-register or memory operands into a register.
1753 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
1755 * extend.texi: Reserve upper bits of memory model for future use.
1757 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
1758 Anatoly Sokolov <aesok@post.ru>
1759 Eric Weddington <eric.weddington@atmel.com>
1762 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1763 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1764 Rewrite initializers for .macro.
1765 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1766 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1767 atxmega32d4, atxmega32x1.
1768 avrxmega4: atxmega64a3, atxmega64d3.
1769 avrxmega5: atxmega64a1, atxmega64a1u.
1770 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1771 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1772 avrxmega7: atxmega128a1, atxmega128a1u.
1773 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1774 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1775 (struct base_arch_s): Rename reserved to xmega_p.
1776 Rename reserved2 to have_rampd.
1777 (AVR_XMEGA): New define.
1778 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1779 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1780 * config/avr/predicates.md (io_address_operand): Take into
1782 (low_io_address_operand): Ditto.
1783 (high_io_address_operand): Ditto.
1784 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1785 (enabled, movhi_sp_r): Use them.
1786 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1787 cpp_define_formatted to built-in define __AVR_ARCH__.
1788 (__AVR_XMEGA__): New built-in define.
1789 (__AVR_HAVE_RAMPD__): New built-in define.
1790 (__AVR_HAVE_RAMPX__): New built-in define.
1791 (__AVR_HAVE_RAMPY__): New built-in define.
1792 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1794 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1795 (avr_option_override): Initialize them.
1796 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1797 (avr_init_expanders): Initialize them. No more block several calls.
1798 (emit_push_sfr): New static function.
1799 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1801 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1802 (avr_print_operand): Print addreeses as symbols for
1803 RAMPX, RAMPY, RAMPD, CCP.
1804 (output_movhi): Handle AVR_XMEGA when writing to SP.
1805 (avr_out_movhi_mr_r_xmega): New static function.
1806 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1807 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
1808 __RAMPD__, __CCP__ as needed.
1810 * config/avr/multilib.h: Regenerate.
1811 * config/avr/t-multilib: Regenerate.
1812 * config/avr/avr-tables.opt: Regenerate.
1814 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
1816 PR tree-optimization/50561
1817 * graphite-flattening.c (lst_project_loop): Do not
1818 remove old scattering dimensions after flattening.
1819 (lst_do_flatten): Likewise.
1821 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
1823 * doc/extend.texi (AVR Built-in Functions): Remove doc for
1824 __builtin_avr_map8, __builtin_avr_map16.
1825 Document __builtin_avr_insert_bits.
1827 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1828 (insert_bits): New insn.
1829 (adjust_len.map_bits): Rename to insert_bits.
1830 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1831 * avr-protos.h (avr_out_map_bits): Remove.
1832 (avr_out_insert_bits, avr_has_nibble_0xf): New.
1833 * config/avr/constraints.md (Cxf,C0f): New.
1834 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1835 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1836 New built-in define __BUILTIN_AVR_INSERT_BITS.
1837 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1838 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1839 (avr_move_bits): Rewrite.
1840 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1842 (avr_map_op_t): New typedef.
1843 (avr_map_op): New static variable.
1844 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1845 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1846 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1847 (bdesc_3arg, avr_expand_triop_builtin): New.
1848 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1849 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1850 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1851 (avr_map_equal_p, avr_map_sig_p): Remove.
1852 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1853 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1854 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1855 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1856 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1857 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1859 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1861 * config/c6x/c6x.md (reserve_cycles): New attribute.
1862 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1863 don't reserve functional units after the branch occurs.
1865 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
1868 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1869 functions into non-tm_pure functions.
1871 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
1874 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1875 (iterative_hash_canonical_type): Likewise.
1876 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1879 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1881 * haifa-sched.c (prune_ready_list): Ensure that if there is a
1882 sched-group insn, it either remains alone or the entire list is pruned.
1884 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1886 * doc/install.texi (Prerequisites): Fix grammar.
1887 (Configuration): Likewise.
1889 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1891 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1892 MPC as part of GCC before describing configuring with --with-gmp etc.
1893 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1894 sources are present.
1896 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1899 * dwarf2out.c (clone_tree_hash): New function.
1900 (copy_decls_walk): Use it instead of clone_tree.
1902 2012-02-14 Richard Guenther <rguenther@suse.de>
1904 PR tree-optimization/52244
1905 PR tree-optimization/51528
1906 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1907 replacements for integral types.
1909 2012-02-14 Walter Lee <walt@tilera.com>
1911 * config.gcc: Handle tilegx and tilepro.
1912 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1914 Add HAVE_AS_TLS check for tilegx and tilepro.
1915 * configure: Regenerate.
1916 * doc/contrib.texi: Add Mat Hostetter and self.
1917 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1918 Document instruction intrinsics and network accessing intrinsics.
1919 (TILEPro Built-in Functions): New node. Document instruction
1920 intrinsics and network accessing intrinsics.
1921 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1922 (Specific, tilepro-*-linux*): Likewise.
1923 * doc/invoke.texi (TILE-Gx Options): New section.
1924 (TILEPro Options): New section.
1925 * doc/md.texi (TILE-Gx): New section.
1926 (TILEPro): New section.
1927 * common/config/tilegx/tilegx-common.c: New file.
1928 * common/config/tilepro/tilepro-common.c: New file.
1929 * config/tilegx/constraints.md: New file.
1930 * config/tilegx/linux.h: New file.
1931 * config/tilegx/mul-tables.c: New file.
1932 * config/tilegx/predicates.md: New file.
1933 * config/tilegx/sync.md: New file.
1934 * config/tilegx/t-tilegx: New file.
1935 * config/tilegx/tilegx-builtins.h: New file.
1936 * config/tilegx/tilegx-c.c: New file.
1937 * config/tilegx/tilegx-generic.md: New file.
1938 * config/tilegx/tilegx-modes.def: New file.
1939 * config/tilegx/tilegx-multiply.h: New file.
1940 * config/tilegx/tilegx-protos.h: New file.
1941 * config/tilegx/tilegx.c: New file.
1942 * config/tilegx/tilegx.h: New file.
1943 * config/tilegx/tilegx.md: New file.
1944 * config/tilegx/tilegx.opt: New file.
1945 * config/tilepro/constraints.md: New file.
1946 * config/tilepro/gen-mul-tables.cc: New file.
1947 * config/tilepro/linux.h: New file.
1948 * config/tilepro/mul-tables.c: New file.
1949 * config/tilepro/predicates.md: New file.
1950 * config/tilepro/t-tilepro: New file.
1951 * config/tilepro/tilepro-builtins.h: New file.
1952 * config/tilepro/tilepro-c.c: New file.
1953 * config/tilepro/tilepro-generic.md: New file.
1954 * config/tilepro/tilepro-modes.def: New file.
1955 * config/tilepro/tilepro-multiply.h: New file.
1956 * config/tilepro/tilepro-protos.h: New file.
1957 * config/tilepro/tilepro.c: New file.
1958 * config/tilepro/tilepro.h: New file.
1959 * config/tilepro/tilepro.md: New file.
1960 * config/tilepro/tilepro.opt: New file.
1962 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1964 PR tree-optimization/52210
1965 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1966 vect_model_simple_cost with two entry vect_def_type array instead
1967 of an address of dt.
1969 2012-02-14 Richard Guenther <rguenther@suse.de>
1972 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1973 Do not stream DECL_QUALIFIER.
1974 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1975 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1976 (find_decls_types_r): Do not walk DECL_QUALIFIER.
1978 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1981 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1984 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1987 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1988 * cselib.c (cselib_subst_to_values_from_insn): New function.
1989 * sched-deps.c (add_insn_mem_dependence,
1990 sched_analyze_1, sched_analyze_2): Use it.
1992 2012-02-13 Jan Hubicka <jh@suse.cz>
1995 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1997 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
1999 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2000 (GTM_SELF_SPECS): Define if not already defined.
2001 (driver_self_specs): Add GTM_SELF_SPECS.
2002 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2003 (GTM_SELF_SPECS): Define.
2004 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2005 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2007 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2009 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2012 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
2015 * omp-low.c (expand_omp_for): If a static schedule without chunk size
2016 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
2018 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
2021 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
2023 2012-02-13 Richard Guenther <rguenther@suse.de>
2025 PR translation/52211
2026 * passes.c (enable_disable_pass): Fix typo.
2028 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2031 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
2032 XOR for reduce_bit_field if type is unsigned.
2034 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
2036 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
2037 disallow changes from SFmode to mode with different size in FP regs.
2039 2012-02-12 Robert Millan <rmh@gnu.org>
2040 Gerald Pfeifer <gerald@pfeifer.com>
2042 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
2045 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
2047 PR rtl-optimization/52175
2048 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
2049 to frame-related instructions.
2051 2012-02-10 Jason Merrill <jason@redhat.com>
2054 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2055 (demangle_new_symbols): Fill it.
2056 (scan_linker_output): Walk it.
2057 (start_tweaking): Split out from scan_linker_output.
2058 (maybe_tweak): Update sym->chosen.
2059 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
2061 2012-02-11 Jakub Jelinek <jakub@redhat.com>
2064 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
2066 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
2068 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2069 having the same mode as previous compare.
2071 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
2073 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
2074 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
2075 (nonlocal_goto_internal): Likewise.
2076 (nonlocal_goto): Emit a use and an indirect jump directly.
2078 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
2081 * doc/extend.texi : Update comments for __atomic_compare_exchange and
2082 __atomic_{is,always}_lock_free.
2084 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
2087 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
2088 negative constant address for x32.
2090 2012-02-10 Richard Henderson <rth@redhat.com>
2092 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
2093 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
2094 for GIMPLE_TRANSACTION. Tidy if's into a switch.
2096 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2097 Ira Rosen <irar@il.ibm.com>
2099 PR tree-optimization/50031
2100 * targhooks.c (default_builtin_vectorization_cost): Handle
2102 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
2103 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
2104 all types of reduction and pattern statements.
2105 (vect_estimate_min_profitable_iters): Likewise.
2106 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
2107 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
2108 for explicit realigns.
2109 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
2110 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
2112 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
2113 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
2114 vec_perm for VSX and handle vec_promote_demote.
2116 2012-02-10 Jakub Jelinek <jakub@redhat.com>
2119 * builtins.c (fold_builtin_atomic_always_lock_free,
2120 expand_builtin_atomic_always_lock_free,
2121 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
2122 Return and/or test boolean_true_node/boolean_false_node instead of
2123 integer_one_node/integer_zero_node.
2125 2012-02-10 Jan Hubicka <jh@suse.cz>
2128 * predict.c (predict_paths_for_bb): Prevent looping.
2129 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
2131 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
2133 * config/arm/arm.c (output_move_double): In one case properly
2134 count number of instructions that will be emitted.
2136 2012-02-10 Richard Guenther <rguenther@suse.de>
2138 PR translation/52193
2139 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
2141 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
2144 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
2146 2012-02-09 Jakub Jelinek <jakub@redhat.com>
2149 * var-tracking.c (emit_note_insn_var_location): If
2150 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
2151 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
2152 non-NOTE_DURING_CALL_P insn.
2154 2012-02-09 Bin Cheng <bin.cheng@arm.com>
2157 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
2159 2012-02-08 Magnus Granberg <zorry@gentoo.org>
2162 * gcc.c (switch_matches) Support switches with separated form,
2165 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
2167 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
2169 (RAMPZ_ADDR): Ditto.
2170 * config/avr/avr.c (avr_addr_t): New typedef.
2171 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
2172 (avr_init_expanders): Initialize it.
2173 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
2175 (expand_epilogue): Ditto.
2176 (avr_print_operand): Ditto.
2177 (avr_file_start): Ditto.
2178 (avr_emit_movmemhi): Ditto.
2180 2012-02-08 Richard Guenther <rguenther@suse.de>
2182 PR tree-optimization/46886
2183 * tree-flow.h (do_while_loop_p): Declare.
2184 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
2185 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
2187 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
2189 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
2190 always succeed for integers larger than a native word.
2192 2012-02-08 Richard Guenther <rguenther@suse.de>
2194 PR rtl-optimization/52170
2195 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
2196 properly handle integer vector modes.
2198 2012-02-08 Jakub Jelinek <jakub@redhat.com>
2200 PR gcov-profile/52150
2201 * coverage.c: Include target.h.
2202 (build_var): Call targetm.strip_name_encoding on the assembler name.
2203 Change one _ into . or $ if the target allows it.
2204 * Makefile.in (coverage.o): Depend on $(TARGET_H).
2206 PR rtl-optimization/52139
2207 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
2208 is a BARRIER after emit_insn_after_noloc, move BB_END
2209 to the last non-BARRIER insn before it.
2211 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
2214 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
2215 (mips_gimplify_va_arg_expr): Call it instead of
2216 std_gimplify_va_arg_expr.
2218 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
2220 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
2221 message for -mno-pointers-to-nested-function.
2223 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
2226 * expr.c (get_inner_reference): If there is an offset, add a negative
2227 bit position to it (if any).
2229 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2231 PR rtl-optimization/52060
2232 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
2233 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
2234 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
2235 and/or i0src_copy2 when needed.
2237 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2239 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
2240 or LTOPLUGINSONAME if have_c.
2242 * config/freebsd-spec.h: Add comment about what macros can be defined
2244 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
2245 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
2248 2012-02-07 Richard Guenther <rguenther@suse.de>
2250 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
2251 newline in -alias dumps.
2253 2012-02-07 Kai Tietz <ktietz@redhat.com>
2254 Dave Korn <dave.korn.cygwin@gmail.com>
2257 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2258 Take care that typinfo gets dllexport-attribute.
2260 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2263 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
2264 if modifier < EXPAND_SUM call force_operand on the result.
2266 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
2268 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
2269 adding __forwarder_dst__ prefix if a forwarder_section attribute is
2271 (epiphany_function_type): Replace types for specific interrupts with
2272 EPIPHANY_FUNCTION_INTERRUPT.
2273 (EPIPHANY_INTERRUPT_P): Update.
2274 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
2275 New static function.
2276 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
2277 <disinterrupt>: Affects type identity.
2278 (epiphany_handle_interrupt_attribute): Handle variable number of
2280 (epiphany_compute_function_type): Update for new
2281 epiphany_function_type definition.
2282 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
2283 handlers with a longcall forwarder.
2284 (epiphany_start_function): Handle multiple interrupt arguments and/or
2285 forwarder_section attribute.
2287 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
2290 2012-02-07 Alan Modra <amodra@gmail.com>
2293 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
2296 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2298 PR tree-optimization/50969
2299 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
2300 use vec_perm rather than vector_stmt.
2301 (vect_model_load_cost): Likewise.
2302 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
2303 vec_perm to be the same as other vector statements.
2304 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
2305 cost of vec_perm for TARGET_VSX.
2307 2012-02-06 Richard Guenther <rguenther@suse.de>
2309 PR tree-optimization/52115
2310 * tree-sra.c (access_has_replacements_p): New function.
2311 (sra_modify_assign): Use it to decide whether a use is uninitialized.
2313 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
2316 * trans-mem.c (expand_call_tm): Add an assertion.
2317 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2320 2012-02-06 Richard Guenther <rguenther@suse.de>
2322 PR tree-optimization/50955
2323 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2324 raise cost of expressions that replace an address with an
2325 expression based on a different pointer.
2327 2012-02-06 Jakub Jelinek <jakub@redhat.com>
2330 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2331 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2333 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
2336 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2337 -Weffc++ and specify guidelines come from second edition.
2339 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
2341 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2342 (sibcall_value_multiple_internal, call_split, call_internal_direct)
2343 (call_direct_split, call_value_split, call_value_internal_direct)
2344 (call_value_direct_split, call_value_multiple_split): Use jal and
2345 jal_macro attributes.
2347 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
2349 * reload1.c (reload_regs_reach_end_p): Replace with...
2350 (reload_reg_rtx_reaches_end_p): ...this function.
2351 (new_spill_reg_store): Update commentary.
2352 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2353 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2354 before setting new_spill_reg_store.
2355 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2356 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2357 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2358 for non-spill reload registers.
2360 2012-02-05 Ira Rosen <irar@il.ibm.com>
2362 PR tree-optimization/52091
2363 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2364 (vect_is_simple_use_1): Likewise.
2365 * tree-vect-loop.c (vectorizable_reduction): Update calls
2366 to vect_is_simple_use_1 and vect_is_simple_use.
2367 (vectorizable_live_operation): Likewise.
2368 * tree-vect-patterns.c (widened_name_p,
2369 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2370 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2371 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2372 vectorizable_shift,vectorizable_operation, vectorizable_store,
2373 vectorizable_load): Likewise.
2374 (vect_is_simple_cond): Add an argument, pass it to
2375 vect_is_simple_use_1.
2376 (vectorizable_condition): Update calls to vect_is_simple_cond,
2378 (vect_is_simple_use): Add an argument, the statement in which
2379 OPERAND is used. Check that if OPERAND's def stmt is a double
2380 reduction phi node, the use is a phi node too.
2381 (vect_is_simple_use_1): Add an argument, pass it to
2383 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2384 to vect_is_simple_use.
2386 2012-02-04 Jakub Jelinek <jakub@redhat.com>
2388 PR rtl-optimization/52095
2389 * modulo-sched.c (dump_insn_locator): New function.
2390 (loop_canon_p, sms_schedule): Use it.
2392 PR rtl-optimization/52113
2393 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2394 even for decomposable shift/zext insns.
2396 2012-02-03 Jakub Jelinek <jakub@redhat.com>
2397 Zdenek Dvorak <ook@ucw.cz>
2399 PR rtl-optimization/52092
2400 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2401 on get_iv_value result.
2403 2012-02-02 Andrew Pinski <apinski@cavium.com>
2407 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2409 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2412 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2414 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
2416 PR rtl-optimization/49800
2417 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2418 (sched_finish): Call regstat_free_n_sets_and_refs.
2420 2012-02-02 Jia Liu <proljc@gmail.com>
2422 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2425 2012-02-02 Jan Hubicka <jh@suse.cz>
2426 Tom de Vries <tom@codesourcery.com>
2429 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2430 * varpool.c (varpool_analyze_pending_decls): Likewise.
2432 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2433 Jayant R Sonar <jayant.sonar@kpitcummins.com>
2435 * config.gcc: Add cr16-* support.
2437 * doc/extend.texi: Document cr16 extensions.
2438 * doc/install.texi: Document cr16 install.
2439 * doc/invoke.texi: Document cr16 options.
2440 * doc/md.texi: Document cr16 constraints.
2442 * common/config/cr16/cr16-common.c: New file.
2443 * config/cr16/cr16.c: New file.
2444 * config/cr16/cr16.h: New file.
2445 * config/cr16/cr16.md: New file.
2446 * config/cr16/cr16.opt: New file.
2447 * config/cr16/cr16-protos.h: New file.
2448 * config/cr16/predicates.md: New file.
2449 * config/cr16/constraints.md: New file.
2450 * config/cr16/t-cr16: New file.
2452 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2455 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2456 that operands[2] is either immediate, or q_regs_operand.
2458 PR tree-optimization/52073
2459 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2460 a pattern stmt for pattern uses, ignore uses outside of the loop.
2462 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2464 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2465 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2466 (OUT_AS1, OUT_AS2): Remove.
2468 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2470 PR rtl-optimization/51374
2471 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2472 to cross other volatile_refs_p insns.
2474 2012-02-01 Richard Guenther <rguenther@suse.de>
2476 * doc/invoke.texi (fno-inline): Clarify documentation.
2477 (finline-small-functions): Likewise.
2478 (finline-functions): Likewise.
2479 * common.opt (finline): Adjust comment and documentation.
2480 (finline-small-functions): Clarify documentation.
2481 (finline-functions): Likewise.
2482 (finline-functions-called-once): Likewise.
2484 2012-02-01 Tristan Gingold <gingold@adacore.com>
2486 * c-typeck.c (composite_type): Keep mode for pointers.
2488 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
2490 * function.h (regno_reg_rtx): Adjust comment.
2491 * reginfo.c (init_reg_modes_target): Only use the previous mode
2492 if it fits within one register. Remove MIPS comment.
2494 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2497 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2499 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2501 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2502 to srak instruction.
2504 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2506 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2508 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2513 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2515 2012-01-31 Richard Guenther <rguenther@suse.de>
2517 PR tree-optimization/51528
2518 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2521 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2526 * ree.c (add_removable_extension): Change def_map argument
2527 to unsigned *, store in def_map 1 + offset into *insn_list vector
2528 instead of pointers into the vector.
2529 (find_removable_extensions): Adjust caller.
2531 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2533 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2534 Transform all "* quoted-c-code" to { c-code }.
2535 Remove redundant test for "optimize" in combine patterns.
2536 Move (include "avr-dimode.md") to end of file.
2538 2012-01-30 Bin Cheng <bin.cheng@arm.com>
2541 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2542 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2544 2012-01-30 Richard Guenther <rguenther@suse.de>
2546 PR tree-optimization/52028
2547 * tree-loop-distribution.c (ldist_gen): Properly update
2550 2012-01-30 Jakub Jelinek <jakub@redhat.com>
2553 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2554 set_cur_line_info_table if not emitting debug info.
2556 PR tree-optimization/52046
2557 * tree-vect-patterns.c (check_bool_pattern): Give up if
2558 a comparison could throw.
2561 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2563 2012-01-30 Richard Guenther <rguenther@suse.de>
2565 PR tree-optimization/52045
2566 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2567 SSA form if cfgcleanup did anything.
2569 2012-01-30 Richard Guenther <rguenther@suse.de>
2571 PR tree-optimization/52045
2572 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2573 before computing final todo.
2575 2012-01-30 Richard Guenther <rguenther@suse.de>
2577 PR tree-optimization/51528
2578 * tree-sra.c (sra_modify_assign): Re-factor in preparation
2581 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
2583 * df-problems.c (df_kill_notes): Check that the use refers
2584 to the note under examination.
2586 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
2589 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2590 parameter and use short-lived pseudos.
2591 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2592 (sparc_expand_vector_init): Const-ify local variables and adjust
2593 calls to above functions.
2595 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2597 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2599 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
2601 * doc/invoke.texi: Make usage of "compile time" and
2602 "run time"/"runtime" consistent throughout the file.
2604 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
2606 * config/alpha/alpha.c (alpha_option_override): Default to
2607 full IEEE compliance mode for Go language.
2609 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
2611 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2612 (LINK_SSP_SPEC): Define.
2614 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2617 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2620 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
2622 * doc/invoke.texi: Correct hyphenation of "floating point",
2623 "double precision", and related terminology throughout the file.
2625 2012-01-28 Jakub Jelinek <jakub@redhat.com>
2628 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2629 arm_general_register_operand predicate for operand 2 instead of
2632 2012-01-27 Ian Lance Taylor <iant@google.com>
2635 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2636 * builtins.c (expand_builtin_init_trampoline): Add onstack
2637 parameter. Change caller.
2638 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2639 * tree.c (build_common_builtin_nodes): Declare
2640 __builtin_init_heap_trampoline.
2642 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
2644 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2645 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2646 * config/avr/avr.c: Ditto.
2647 (avr_regnames): Remove because unused.
2648 * config/avr/avr.md (*cpse.ne): New peephole.
2649 (*cpse.eq): New peephole from former cpse peepholes.
2651 2012-01-27 Michael Eager <eager@eagercon.com>
2653 * config/microblaze.c (microblaze_emit_compare): Correct
2654 test after pcmp instruction.
2656 2012-01-27 Richard Guenther <rguenther@suse.de>
2658 PR tree-optimization/52020
2659 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2661 2012-01-27 Richard Guenther <rguenther@suse.de>
2663 * ipa-pure-const.c (check_stmt): Clobbers do not make a
2664 function non-const/pure.
2666 2012-01-27 Richard Guenther <rguenther@suse.de>
2668 PR tree-optimization/50444
2669 * tree-sra.c (build_ref_for_offset): Properly adjust the
2670 MEM_REF type for unaligned accesses.
2672 2012-01-27 Richard Guenther <rguenther@suse.de>
2674 PR tree-optimization/50444
2675 * expr.c (mem_ref_refers_to_non_mem_p): New function.
2676 (expand_assignment): Use it. Properly handle misaligned
2677 bases when expanding stores to component references.
2678 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2681 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
2684 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2685 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2686 * tree-data-ref.c (find_data_references_in_loop): Make static.
2687 (compute_all_dependences): Change return type to bool. Bail out
2688 for too many datarefs in a loop. Move the hunk resetting the data
2689 dependences vector from ...
2690 (compute_data_dependences_for_loop): ... here. Account for
2691 compute_all_dependences returning false.
2692 (compute_data_dependences_for_bb): Likewise.
2693 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2694 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2696 2012-01-27 Richard Guenther <rguenther@suse.de>
2699 * expr.c (store_field): Use the alias-set of the scratch memory
2702 2012-01-27 Tom de Vries <tom@codesourcery.com>
2704 PR tree-optimization/51990
2705 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2707 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2709 2012-01-27 Jakub Jelinek <jakub@redhat.com>
2712 * var-tracking.c (reverse_op): Don't add any reverse operation
2713 if V already has any constant locations.
2715 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2717 * doc/invoke.texi: Correct usage of "command line" (noun)
2718 vs "command-line" (adjective) throughout.
2720 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2722 * doc/invoke.texi (Language Independent Options): Move
2723 -Wcoverage-mismatch blurb from here....
2724 (Warning Options): ...to here.
2726 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
2728 * config/rs6000/rs6000.c (rs6000_option_override_internal):
2729 Set rs6000_always_hint to false for 476.
2731 2012-01-27 Matthias Klose <doko@ubuntu.com>
2733 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2735 * incpath.c (add_standard_paths): Likewise.
2737 2012-01-27 Richard Henderson <rth@redhat.com>
2739 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2740 * config/m68k/sync.md (atomic_test_and_set): Rename from
2741 sync_test_and_setqi and adjust the operands.
2742 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2743 and unconditionally enable.
2745 2012-01-27 Richard Henderson <rth@redhat.com>
2747 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2748 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2749 (ldstub): Rename from ldstubqi.
2750 (ldstub<I24MODE>): Remove.
2752 2012-01-27 Richard Henderson <rth@redhat.com>
2754 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2755 * c-cppbuiltin.c (cpp_atomic_builtins): Define
2756 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2757 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2758 * doc/tm.texi: Rebuild.
2760 2012-01-27 Richard Henderson <rth@redhat.com>
2762 * optabs.c (gen_atomic_test_and_set): Remove default.
2763 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2765 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2767 PR rtl-optimization/51978
2768 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2769 (combine_reaching_defs): Likewise.
2770 (struct re_info): Remove.
2771 (add_removable_extension): Remove x and data arguments,
2772 add insn, insn_list and def_map. Use the arguments directly
2773 instead of using struct re_info.
2774 (find_removable_extensions): Don't call add_removable_extension
2775 through note_stores, instead just call it with single_set
2777 (find_and_remove_re): Pass curr_cand->expr instead of
2778 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2780 2012-01-26 Michael Matz <matz@suse.de>
2782 PR tree-optimization/46590
2783 * cfgexpand.c: Revert last change (r183305).
2784 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2786 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2787 checking for emptiness.
2789 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2792 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2793 non-addressable non-BLKmode base correctly.
2795 2012-01-26 Michael Matz <matz@suse.de>
2797 PR tree-optimization/48794
2798 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2799 regions referenced from RESX/EH_DISPATCH.
2801 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2803 * config/s390/s390.h: Make BRANCH_COST an option.
2804 * config/s390/s390.opt: New option -mbranch-cost.
2806 2012-01-26 Richard Henderson <rth@redhat.com>
2808 Revert 2012-01-24 change:
2809 * trans-mem.c (requires_barrier): Do not instrument thread local
2810 variables and emit save/restore for them.
2812 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2815 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2818 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
2820 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2823 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
2826 Rename __pgm to __flash.
2827 Rename __pgm1 to __flash1.
2828 Rename __pgm2 to __flash2.
2829 Rename __pgm3 to __flash3.
2830 Rename __pgm4 to __flash4.
2831 Rename __pgm5 to __flash5.
2832 Rename __pgmx to __memx.
2833 * doc/extend.texi (AVR Named Address Spaces)
2834 Rename address space names as indicated above.
2835 * config/avr/avr.c (avr_addrspace): Ditto.
2837 * config/avr/avr-protos.h
2838 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2839 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2840 * config/avr/predicates.md: Ditto.
2841 * config/avr/avr.c Ditto, and
2842 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2843 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2845 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2846 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2847 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2848 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2849 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2850 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2851 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2852 * config/avr/avr.c: Ditto.
2853 * config/avr/avr.md: Ditto.
2855 2012-01-25 Jason Merrill <jason@redhat.com>
2858 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2860 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2862 PR tree-optimization/51987
2863 * tree-data-ref.c (get_references_in_stmt): Handle references in
2864 non-volatile GIMPLE_ASM.
2866 2012-01-25 Richard Guenther <rguenther@suse.de>
2868 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2869 bases are dereferenced.
2871 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2873 PR rtl-optimization/48374
2874 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2876 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2878 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2879 compute_data_dependences_for_loop returns false.
2880 * tree-parloops.c (loop_parallel_p): Likewise.
2882 2012-01-25 Richard Guenther <rguenther@suse.de>
2884 * tree.h (get_pointer_alignment_1): Declare.
2885 * builtins.c (get_pointer_alignment_1): New function.
2886 (get_pointer_alignment): Use it.
2888 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2890 PR rtl-optimization/48308
2891 * combine.c (enum undo_kind): Add UNDO_LINKS.
2892 (struct undo): Add member l to other_contents and where.
2893 (do_SUBST_LINK): New.
2895 (try_combine): Handle LOG_LINKS for the dummy i1 case.
2896 (undo_all): Handle UNDO_LINKS.
2898 2012-01-25 Richard Henderson <rth@redhat.com>
2900 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2903 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2905 * optabs.c (gen_atomic_test_and_set): Use each argument.
2907 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2909 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2910 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2911 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2912 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2913 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2914 TARGET_PAIRED_SINGLE_FLOAT.
2916 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2918 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2919 (in_struct, return_val): Remove MEM documentation.
2920 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2921 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2922 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2924 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2925 * cfgexpand.c (add_alias_set_conflicts): Likewise.
2926 * expr.c (store_field): Likewise.
2927 * function.c (assign_stack_temp_for_type): Likewise.
2928 * ifcvt.c (noce_try_cmove_arith): Likewise.
2929 * reload1.c (reload): Likewise.
2930 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2931 (alpha_set_memflags): Likewise.
2932 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2934 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2936 * rtl.h (true_dependence, canon_true_dependence): Remove varies
2938 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2939 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2940 (true_dependence_1, true_dependence, canon_true_dependence): Remove
2942 * cselib.c (cselib_rtx_varies_p): Delete.
2943 (cselib_invalidate_mem): Update call to canon_true_dependence.
2944 * dse.c (record_store, check_mem_read_rtx): Likewise.
2945 (scan_reads_nospill): Likewise.
2946 * cse.c (check_dependence): Likewise.
2947 (cse_rtx_varies_p): Delete.
2948 * expr.c (safe_from_p): Update call to true_dependence.
2949 * ira.c (validate_equiv_mem_from_store): Likewise.
2950 (memref_referenced_p): Likewise.
2951 * postreload-gcse.c (find_mem_conflicts): Likewise.
2952 * sched-deps.c (sched_analyze_2): Likewise.
2953 * store-motion.c (load_kills_store): Likewise.
2954 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2955 * gcse.c (mems_conflict_for_gcse_p): Likewise.
2956 (compute_transp): Update call to canon_true_dependence.
2958 2012-01-25 Richard Henderson <rth@redhat.com>
2960 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2961 (maybe_emit_atomic_test_and_set): New.
2962 (expand_sync_lock_test_and_set): Use it.
2963 (expand_atomic_test_and_set): Likewise.
2964 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2965 the implementation; clarify implementation defined details.
2966 * doc/md.texi (atomic_test_and_set): Document.
2968 2012-01-25 Richard Henderson <rth@redhat.com>
2970 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2972 2012-01-25 Richard Henderson <rth@redhat.com>
2975 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2976 to effect no-op split.
2978 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2981 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2982 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2983 (BT_FN_VOID_PTR_INT_SIZE): New.
2984 (BT_FN_UINT_UINT_VAR): Remove.
2985 (BT_FN_UINT32_UINT32_VAR): New.
2986 (BT_FN_DOUBLE_VPTR): Remove.
2987 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2989 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2990 (_ITM_changeTransactionMode): Same.
2991 (_ITM_memmoveRtWt): Change return type to void.
2992 (_ITM_memcpyRtWt): Same.
2993 (_ITM_memsetW): Same.
2994 (_ITM_RaRD): Change types to double.
2999 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
3001 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
3002 Patrick Marlier <patrick.marlier@gmail.com>
3004 * trans-mem.c (requires_barrier): Do not instrument thread local
3005 variables and emit save/restore for them.
3007 2012-01-24 Jason Merrill <jason@redhat.com>
3010 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
3011 output static aliases.
3013 2012-01-24 Jakub Jelinek <jakub@redhat.com>
3016 * common.opt (-pie, -shared, pie, shared): Change from Common to
3018 * gcc.c (display_help): Display help for -pie and -shared.
3020 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
3023 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
3024 Remove note on size/offset limitation.
3025 (AVR Variable Attributes): Add example how to read data located
3026 with progmem. Refer to named address spaces.
3027 * doc/invoke.texi (AVR Options): Fix typo.
3029 2012-01-24 Richard Guenther <rguenther@suse.de>
3031 Forward-port to trunk
3032 2010-09-21 Jakub Jelinek <jakub@redhat.com>
3035 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
3036 op0 isn't sufficiently aligned and there is movmisalignM
3037 insn for mode, use it to load op0 into a temporary register.
3039 2012-01-24 Jakub Jelinek <jakub@redhat.com>
3042 * target.def (const_not_ok_for_debug_p): New hook.
3043 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
3045 * doc/tm.texi: Regenerated.
3046 * dwarf2out.c (const_ok_for_output_1): If
3047 targetm.const_not_ok_for_debug_p returns true, fail.
3048 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
3050 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
3052 2012-01-23 Kai Tietz <ktietz@redhat.com>
3055 * config/i386/predicates.md (symbolic_operand): Allow
3056 UNSPEC_PCREL as PIC expression for lea.
3057 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
3058 * config/i386/i386.c (ix86_delegitimize_address): Handle
3059 UNSPEC_PCREL for none-MEM, too.
3061 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
3063 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
3064 (ipa_tm_create_version_alias): Same.
3066 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
3069 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
3070 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
3072 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
3073 Patrick Marlier <patrick.marlier@gmail.com>
3074 Iain Sandoe <developer@sandoe-acoustics.co.uk>
3077 * lto-wrapper.c (run_gcc): Pass the LTO section name to
3078 simple_object_start_read.
3080 2012-01-23 Richard Guenther <rguenther@suse.de>
3083 PR tree-optimization/51895
3084 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
3085 parameter decomposition into BLKmode components.
3087 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
3089 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
3090 fake variables for restrict-qualified pointers whose pointed-to type
3091 contains a placeholder.
3093 2012-01-23 Richard Guenther <rguenther@suse.de>
3095 PR tree-optimization/51949
3096 * ipa-split.c (execute_split_functions): Do not split malloc functions.
3098 2012-01-23 Jakub Jelinek <jakub@redhat.com>
3100 PR rtl-optimization/51933
3101 * ree.c (transform_ifelse): Return true right away if dstreg is
3102 already wider or equal to cand->mode.
3103 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
3104 (make_defs_and_copies_lists): Remove defs_list and copies_list
3105 arguments, add state argument, just truncate state->work_list
3106 instead of always allocating and freeing the vector. Assert that
3107 get_defs succeeds instead of returning 2. Changed return type to bool.
3108 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
3109 have ext_src_mode, see if it has been modified already with the
3110 right kind of extension and has been extended before from the
3111 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
3112 just return true. Remember the original mode in state->modified array.
3113 (combine_reaching_defs): Add state argument. Don't allocate and
3114 free here def_list, copied_list and vec vectors, instead just
3115 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
3116 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
3117 Add state variable, clear vectors in it, initialize state.modified
3118 if needed. Free all the vectors at the end and state.modified too.
3119 Don't skip a candidate if the extension expression has been modified.
3121 2012-01-22 Douglas B Rupp <rupp@gnat.com>
3124 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
3125 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
3126 (extra_options) interix.opt -> i386/interix.opt"
3127 (extra_objs):Add winnt-stubs.o
3128 * configure.ac: Add interix to target_os .comm on PE check.
3129 * configure: Regenerate.
3130 * config/interix3.h: Delete and move bits to..
3131 * config/interix.h: Delete and move bits to..
3132 * config/i386/i386-interix3.h: Delete and move bits to..
3133 * config/i386/i386-interix.h: ..here.
3134 (TARGET_CPU_DEFAULT): Remove redefinition.
3135 (TARGET_ASM_CONSTRUCTOR): Undefine.
3136 (SUBTARGET_SWITCHES): Define for ms-bitfields.
3137 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
3138 (PTRDIFF_TYPE): Define.
3139 (LONG_DOUBLE_TYPE_SIZE): Define.
3140 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
3141 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
3142 (TARGET_SECTION_TYPE_FLAGS): Define.
3143 (ASM_DECLARE_FUNCTION_NAME): Define.
3144 (ASM_OUTPUT_EXTERNAL): Define.
3145 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
3146 (ASM_OUTPUT_ALIGNED_BSS): Define.
3147 (PCC_BITFIELD_TYPE_MATTERS): Define.
3148 (USE_CONST_SECTION): Define.
3149 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
3150 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
3151 (SUPPORTS_ONE_ONLY): Remove.
3152 (I386_PE_STRIP_ENCODING): Define.
3153 * config/interix.opt: Delete and move bits to..
3154 * config/i386/interix.opt: ..here. New.
3155 (mpe-aligned-commons): Add.
3156 * config/i386/t-interix: Add copyright header.
3157 (winnt-stubs.o): Add rule.
3159 2012-01-22 Jason Merrill <jason@redhat.com>
3162 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
3163 for extra name aliases.
3165 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
3167 PR rtl-optimization/51924
3168 * ree.c (combine_set_extension): Improve debugging message.
3169 (combine_reaching_defs): Likewise.
3170 (get_defs): Rename confusingly named variable.
3171 (find_and_remove_re): Skip a candidate if the extension expression has
3174 2012-01-21 Robert Millan <rmh@gnu.org>
3175 Gerald Pfeifer <gerald@pfeifer.com>
3177 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
3178 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
3180 2012-01-20 Jakub Jelinek <jakub@redhat.com>
3182 PR tree-optimization/51914
3183 * tree-vect-stmts.c (vectorizable_conversion): For
3184 cvt_type && modifier == WIDEN, put temporary with cvt_type
3185 at the beginning of vec_dsts and set vec_dest to temporary
3188 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
3190 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
3192 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
3194 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
3195 * config/rs6000/rs6000.c: Likewise.
3197 2012-01-20 Jakub Jelinek <jakub@redhat.com>
3200 * config/arm/arm.c (arm_count_output_move_double_insns): Call
3201 output_move_double on a copy of operands array.
3203 2012-01-20 Cary Coutant <ccoutant@google.com>
3204 Dodji Seketeli <dodji@redhat.com>
3207 * dwarf2out.c (copy_declaration_context): Return ref to parent
3208 of declaration DIE, if necessary.
3209 (remove_child_or_replace_with_skeleton): Add new parameter; update
3210 caller. Place skeleton DIE under parent DIE of original declaration.
3211 Move call to copy_declaration_context to here ...
3212 (break_out_comdat_types): ... from here.
3214 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3216 PR rtl-optimization/51856
3217 * reload.c (find_reloads_subreg_address): Set the address_reloaded
3220 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3223 * config/arm/arm.c (arm_print_operand): Correct output of alignment
3224 hints for neon loads and stores.
3226 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
3230 * doc/extend.texi (Named Address Spaces): Split into subsections.
3231 (AVR Named Address Spaces): New subsection.
3232 (M32C Named Address Spaces): New subsection.
3233 (RL78 Named Address Spaces): New subsection.
3234 (SPU Named Address Spaces): New subsection.
3235 (Variable Attributes): New anchor "AVR Variable Attributes".
3236 (AVR Variable Attributes): Rewrite and avoid wording
3237 "address space" in this context.
3238 * doc/invoke.texi (AVR Options): Rewrite and add documentation
3239 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
3240 (AVR Built-in Macros): New subsubsection therein.
3241 * doc/md.texi (AVR constraints): Remove "C04", "R".
3243 2012-01-20 Richard Guenther <rguenther@suse.de>
3245 PR tree-optimization/51903
3246 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
3247 when removing stmts.
3249 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3252 * config/arm/arm.c (arm_load_pic_register): Use
3253 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
3254 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
3255 (arm_pic_static_addr): Likewise.
3256 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
3257 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
3258 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
3259 (pic_load_addr_unified): New.
3261 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
3264 * function.c (instantiate_virtual_regs_in_insn): Use
3265 delete_insn_and_edges when removing a wrong asm insn.
3267 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
3269 PR rtl-optimization/40761
3270 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
3271 Add new member loop_num.
3272 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
3273 (ira_build): Remove the parameter.
3275 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
3276 (ira.c): Do not build CFG loops for one region allocation. Remove
3277 argument from ira_build call.
3279 * ira-build.c (init_loop_tree_node): New function.
3280 (create_loop_tree_nodes): Use it. Separate the case when CFG
3281 loops are not built.
3282 (more_one_region_p): Check current_loops.
3283 (finish_loop_tree_nodes): Separate the case when CFG loops are not
3285 (add_loop_to_tree): Process loop equal to NULL too.
3286 (form_loop_tree): Separate the case when CFG loops are not built.
3287 Use explicitly number for the root.
3288 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
3290 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
3291 instead of loop->num.
3292 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
3293 (mark_all_loops_for_removal): Ditto.
3294 (remove_unnecessary_regions): Separate the case when CFG loops
3296 (ira_build): Remove the parameter. Use explicit number of regions
3297 when CFG loops are not built.
3299 * ira-color.c (print_loop_title): Separate the case for the root node.
3300 Use loop_num instead of loop->num.
3301 (move_spill_restore): Use loop_num instead of loop->num.
3303 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
3304 (change_loop): Ditto.
3305 (change_loop): Use loop_num instead of loop->num.
3307 * ira-lives.c (process_bb_node_lives): Ditto.
3309 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
3311 * ira-conflicts.c (print_allocno_conflicts): Ditto.
3313 2012-01-19 Jakub Jelinek <jakub@redhat.com>
3316 * tree-mudflap.c (mf_artificial): New function.
3317 (execute_mudflap_function_ops, execute_mudflap_function_decls,
3318 mx_register_decls, mudflap_enqueue_decl): Use it.
3321 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
3322 numbers in the insn pattern.
3324 2012-01-19 Michael Matz <matz@suse.de>
3326 PR tree-optimization/46590
3327 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
3328 use it in remembering which conflicts we already created.
3329 (add_scope_conflicts): Adjust call to above, (de)allocate helper
3332 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
3335 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
3336 (merge_and_complain): Same.
3338 2012-01-19 Jakub Jelinek <jakub@redhat.com>
3341 * config/initfini-array.h: Guard content of the header
3342 with #ifdef HAVE_INITFINI_ARRAY.
3343 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
3344 Add initfini-array.h to tm_file here.
3345 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
3346 * config.gcc: Don't add initfini-array.h to tm_file here.
3347 * configure: Regenerated.
3349 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
3351 PR rtl-optimization/51505
3352 * df-problems.c (df_kill_notes): New parameter live. Update comment.
3353 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
3354 (df_note_bb_compute): Update the call to df_kill_notes.
3356 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
3358 * trans-mem.c (requires_barrier): Remove call to is_global_var.
3360 2012-01-18 Richard Guenther <rguenther@suse.de>
3362 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
3363 of conversions to void *.
3365 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3366 Richard Sandiford <rdsandiford@googlemail.com>
3370 * optabs.h (simplify_expand_binop): Declare.
3371 * optabs.c (simplify_expand_binop): Make global.
3372 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
3373 endian targets if the source cannot be exactly covered by word
3376 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3379 * hard-reg-set.h (struct hard_reg_set_container): New type.
3380 * target.h (struct hard_reg_set_container): Forward declare.
3381 * target.def (set_up_by_prologue): New target hook.
3382 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
3383 * doc/tm.texi: Regenerated.
3384 * function.c (thread_prologue_and_epilogue_insns): Change
3385 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
3386 Call targetm.set_up_by_prologue on it.
3387 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
3388 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
3390 2012-01-17 Nick Clifton <nickc@redhat.com>
3392 * config/rx/rx.c (rx_can_use_simple_return): New function.
3393 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
3394 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
3396 2012-01-17 Richard Guenther <rguenther@suse.de>
3399 * expr.c (expand_assignment): Take address-space information
3400 from the address operand of MEM_REF and TARGET_MEM_REF.
3401 (expand_expr_real_1): Likewise.
3403 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3405 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
3406 reload dump is requested.
3408 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
3411 * trans-mem.c (requires_barrier): Call may_be_aliased.
3413 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3415 PR tree-optimization/51877
3416 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
3417 call arguments and fndecls compare equal, instead return false if they
3418 don't. Return true only if lhs1 and lhs2 are either both NULL, or
3419 both SSA_NAMEs that are valueized the same, or they satisfy
3422 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3424 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
3426 * configure: Regenerate.
3428 2012-01-16 Jan Hubicka <jh@suse.cz>
3432 * convert.c (convert_to_integer): Use fold_convert for
3433 converting an INTEGER_CST to integer type.
3435 2012-01-16 Jason Merrill <jason@redhat.com>
3438 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3440 2012-01-16 Jakub Jelinek <jakub@redhat.com>
3443 * config/s390/s390.c (s390_chunkify_start): Don't skip
3444 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
3445 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3446 If insn is followed by NOTE_INSN_VAR_LOCATION or
3447 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3448 Don't use location of note insns.
3450 PR tree-optimization/51865
3451 * tree-inline.c (tree_function_versioning): Call remap_decl
3452 on DECL_RESULT whenever it has VOID_TYPE_P type.
3454 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
3456 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3457 for calls to locally-binding MIPS16 functions if only the return
3458 type uses float regs.
3460 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
3461 Richard Sandiford <rdsandiford@googlemail.com>
3463 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3464 (SYMBOL_32_HIGH): Likewise.
3465 (mips_output_tls_reloc_directive): Declare.
3466 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3467 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3468 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3469 (mips_lo_relocs, mips_hi_relocs): Make extern.
3470 (mips16_stub_function): Move up file.
3471 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3472 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
3473 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
3474 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3475 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
3476 (mips_get_tp): Add MIPS16 support.
3477 (mips_legitimize_tls_address): Remove MIPS16 sorry().
3478 Generalize DTPREL and TPREL handling.
3479 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3480 Add MIPS16 TLS support.
3481 (mips_output_tls_reloc_directive): New function.
3482 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3483 * config/mips/predicates.md (symbolic_operand_with_high)
3484 (tls_reloc_operand): New predicates.
3485 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3486 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3487 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3488 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
3489 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3490 (*tls_get_tp_mips16_call_<mode>): Likewise.
3492 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
3494 PR rtl-optimization/51821
3495 * recog.c (peep2_find_free_register): Determine clobbered registers
3498 2012-01-14 Denis Chertykov <chertykov@gmail.com>
3501 * config/avr/avr-protos.h: Revert change of 2012-01-09.
3502 * config/avr/avr.c: Likewise.
3503 * config/avr/avr.h: Likewise.
3505 2012-01-13 Ian Lance Taylor <iant@google.com>
3508 * tree.h (TYPE_QUALS): Add cast to int.
3509 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3511 2012-01-13 Ian Lance Taylor <iant@google.com>
3513 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3514 comparing param_index to VEC_length result.
3516 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
3518 * c-decl.c: Do not include tree-mudflap.h
3519 * tree-optimize.c: Likewise.
3520 * Makefile.in: Update dependencies.
3522 2012-01-13 Richard Guenther <rguenther@suse.de>
3525 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3526 variable-sized result always use RSO.
3528 2012-01-12 DJ Delorie <dj@redhat.com>
3530 * cfgexpand.c (convert_debug_memory_address): Allow any valid
3531 pointer type, not just the default pointer type.
3533 2012-01-09 Richard Henderson <rth@redhat.com>
3534 Denis Chertykov <chertykov@gmail.com>
3537 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3538 * config/avr/avr.c (avr_can_eliminate): Simplify.
3539 (avr_initial_elimination_offset): Likewise.
3540 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3541 (expand_epilogue): Likewise.
3542 (avr_legitimize_address): Gut.
3543 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3544 (avr_hard_regno_nregs): New.
3545 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3546 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3547 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3548 add soft frame pointer.
3549 (CALL_USED_REGISTERS): Likewise.
3550 (REG_CLASS_CONTENTS): Likewise.
3551 (REGISTER_NAMES): Likewise.
3552 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3553 (HARD_FRAME_POINTER_REGNUM): New.
3554 (FRAME_POINTER_REGNUM): Use soft frame pointer.
3555 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3556 remove the HARD_FRAME_POINTER self-elimination.
3558 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
3561 * config/avr/avr.c (avr_encode_section_info): Test for absence of
3562 DECL_EXTERNAL when checking for initializers of progmem variables.
3564 2012-01-12 Ira Rosen <irar@il.ibm.com>
3566 PR tree-optimization/51799
3567 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3568 that the last operation is a type demotion.
3570 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
3572 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3573 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3575 2012-01-11 Jakub Jelinek <jakub@redhat.com>
3578 * combine.c (distribute_notes): If i3 is a noreturn call,
3579 allow old_size to be equal to args_size and make sure the
3580 noreturn call gets REG_ARGS_SIZE note.
3581 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3582 on noreturn calls even when the delta is 0.
3584 2012-01-11 Nathan Sidwell <nathan@acm.org>
3586 * gcov.c (STRING_SIZE): Remove.
3587 (generate_results): Erase annotations for source files with no
3588 coverage information.
3590 (output_lines): Use it.
3592 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3594 * gimple.h (gimplify_body): Remove first argument.
3595 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
3596 pointer set here, instead just pass DATA to walk_tree.
3597 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
3598 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3599 (unvisit_body): Likewise, but with unmark_visited.
3600 (gimplify_body): Remove BODY_P argument and adjust.
3601 (gimplify_function_tree): Adjust call to gimplify_body.
3602 * omp-low.c (finalize_task_copyfn): Likewise.
3604 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3606 * tree.h (build_function_decl_skip_args): Add boolean parameter.
3607 (build_function_type_skip_args): Delete.
3608 * tree.c (build_function_type_skip_args): Make static and add
3609 SKIP_RETURN parameter. Fix thinko in the handling of variants.
3610 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3611 pass it to build_function_type_skip_args.
3612 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3613 (tree_function_versioning): Likewise.
3614 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3615 build_function_decl_skip_args.
3616 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3617 and pass it to build_function_decl_skip_args/tree_function_versioning.
3618 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3619 * ipa-inline-transform.c (save_inline_function_body): Likewise.
3620 * trans-mem.c (ipa_tm_create_version): Likewise.
3621 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3622 * tree-inline.c (declare_return_variable): Remove always-true test.
3623 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
3624 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3625 * ipa-split.c (split_function): Skip the return value for the split
3626 part if it doesn't return.
3628 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3630 PR tree-optimization/49642
3631 * ipa-split.c (forbidden_dominators): New variable.
3632 (check_forbidden_calls): New function.
3633 (dominated_by_forbidden): Likewise.
3634 (consider_split): Check for forbidden dominators.
3635 (execute_split_functions): Initialize and free forbidden
3636 dominators info; call check_forbidden_calls.
3638 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3640 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3642 2012-01-11 Nick Clifton <nickc@redhat.com>
3644 * config/rx/rx.md (return): Define pattern.
3646 2012-01-11 Richard Guenther <rguenther@suse.de>
3648 * doc/extend.texi (malloc attribute): Adjust according to
3651 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
3652 Patrick Marlier <patrick.marlier@gmail.com>
3655 * trans-mem.c (get_cg_data): Traverse aliases if requested.
3656 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3657 (ipa_tm_note_irrevocable): Same.
3658 (ipa_tm_scan_irr_block): Same.
3659 (ipa_tm_decrement_clone_counts): Same.
3660 (ipa_tm_scan_irr_function): Same.
3661 (ipa_tm_create_version_alias): Same.
3662 (ipa_tm_create_version): Same.
3663 (ipa_tm_transform_calls_redirect): Same.
3664 (ipa_tm_transform_calls): Same.
3665 (ipa_tm_transform_transaction): Same.
3666 (ipa_tm_execute): Same.
3668 2012-01-10 Richard Guenther <rguenther@suse.de>
3671 * opts.c (common_handle_option): Handle -Werror.
3673 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
3675 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3678 2012-01-10 Jason Merrill <jason@redhat.com>
3680 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3683 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3685 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3686 supports R_386_TLS_GD_PLT reloc.
3687 (gcc_cv_as_ix86_tlsldmplt): Check if linker
3688 supports R_386_TLS_LDM_PLT reloc.
3689 * configure: Regenerate.
3690 * config.in: Regenerate.
3692 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
3695 Extend __pgmx semantics to linearize memory.
3696 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3697 determine if code comes inline or from libgcc.
3698 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3699 (movmem_qi, movmem_qi): Set constraint #2 to "n".
3700 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3701 (movmemx_qi, movmemx_hi): New insns.
3702 (xload_<mode>_libgcc): Rewrite to new insn condition.
3703 (xload_<mode>): Remove insns.
3704 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3705 cases that don't satisfy avr_xload_libgcc_p().
3706 (avr_addr_space_convert): Allow converting in any direction.
3707 (avr_addr_space_subset_p): Return always true.
3708 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3709 (avr_emit_movmemhi): Ditto.
3710 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3711 (avr_out_movmem): Ditto.
3712 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3713 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3714 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3715 (avr_encode_section_info): Encode 'progmem' in symbol flags.
3716 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3718 2012-01-10 Richard Guenther <rguenther@suse.de>
3720 PR tree-optimization/50913
3721 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3722 Require data-refs to be representable by Graphite with respect
3725 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
3727 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3728 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3730 2012-01-10 Tom de Vries <tom@codesourcery.com>
3732 PR rtl-optimization/51271
3733 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3734 handling annulled branch.
3736 2012-01-10 Richard Henderson <rth@redhat.com>
3738 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3739 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3740 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3741 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3742 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3743 arm_expand_vec_perm_const): New.
3744 * config/arm/arm-protos.h: Update.
3745 * config/arm/neon.md (UNSPEC_VCONCAT): New.
3746 (*neon_vswp<VDQX>): New.
3747 (neon_vcombine<VDX>): Use neon_split_vcombine.
3748 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3749 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3750 (vec_perm<VE>): New.
3752 2012-01-10 Richard Henderson <rth@redhat.com>
3754 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3755 use it if reload_completed.
3756 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3757 arm_output_asm_insn, arm_process_output_memory_barrier,
3758 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3759 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3760 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3761 arm_process_output_sync_insn, arm_output_sync_insn,
3762 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3763 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3764 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3765 (emit_unlikely_jump): New.
3766 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3767 (arm_split_atomic_op): New.
3768 * config/arm/arm-protos.h: Update.
3769 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3770 (struct arm_sync_generator): Remove.
3771 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3772 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3773 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3774 (VUNSPEC_LL, VUNSPEC_SC): New.
3775 (sync_result, sync_memory, sync_required_value, sync_new_value,
3776 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3777 (attr length): Don't use arm_sync_loop_insns.
3778 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3779 (movsfcc, movdfcc): Likewise.
3780 * config/arm/constraints.md (Ua): New.
3781 * config/arm/prediates.md (mem_noofs_operand): New.
3782 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3783 (sync_clobber, sync_t2_reqd): Remove.
3784 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3785 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3786 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3787 (arm_sync_compare_and_swap<SIDI>): Remove.
3788 (arm_sync_compare_and_swap<NARROW>): Remove.
3789 (arm_sync_lock_test_and_set<SIDI>): Remove.
3790 (arm_sync_lock_test_and_set<NARROW>): Remove.
3791 (arm_sync_new_<syncop><SIDI>): Remove.
3792 (arm_sync_new_<syncop><NARROW>): Remove.
3793 (arm_sync_new_nand<SIDI>): Remove.
3794 (arm_sync_new_nand<NARROW>): Remove.
3795 (arm_sync_old_<syncop><SIDI>): Remove.
3796 (arm_sync_old_<syncop><NARROW>): Remove.
3797 (arm_sync_old_nand<SIDI>): Remove.
3798 (arm_sync_old_nand<NARROW>): Remove.
3799 (*memory_barrier): Merge arm_output_memory_barrier.
3800 (atomic_compare_and_swap<QHSD>): New.
3801 (atomic_compare_and_swap<NARROW>_1): New.
3802 (atomic_compare_and_swap<SIDI>_1): New.
3803 (atomic_exchange<QHSD>): New.
3804 (cas_cmp_operand, cas_cmp_str): New.
3805 (atomic_op_operand, atomic_op_str): New.
3806 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3807 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3808 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3809 (arm_load_exclusive<NARROW>): New.
3810 (arm_load_exclusivesi, arm_load_exclusivedi): New.
3811 (arm_store_exclusive<QHSD>): New.
3813 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
3815 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3816 reload patterns if -mvsx-scalar-memory.
3818 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3819 generated, even -mno-vsx-scalar-double was used.
3820 (vsx_xscvdpsp_scalar): Likewise.
3821 (vsx_xscvspdp_scalar2): Likewise.
3823 2012-01-09 Tom de Vries <tom@codesourcery.com>
3824 Andrew Pinski <apinski@cavium.com>
3827 * reorg.c (fill_slots_from_thread): Don't speculate
3828 frame-related insns.
3830 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
3832 * sched-int.h (bb_note): Move to...
3833 * basic-block.h: ...here.
3834 * haifa-sched.c (bb_note): Move to...
3835 * cfgrtl.c: ...here.
3836 * function.c (next_block_for_reg): New function.
3837 (move_insn_for_shrink_wrap): Likewise.
3838 (prepare_shrink_wrap): Rewrite to use the above.
3840 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
3842 * gimple.c (is_gimple_non_addressable): Remove.
3843 * gimple.h: Remove is_gimple_non_addressable.
3844 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
3845 is_gimple_non_addressable.
3846 * trans-mem.c (expand_assign_tm): Same.
3848 2012-01-09 Richard Guenther <rguenther@suse.de>
3850 PR tree-optimization/51775
3851 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
3852 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
3854 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3856 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3858 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3860 2012-01-09 Richard Guenther <rguenther@suse.de>
3862 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
3864 2012-01-08 Jan Hubicka <jh@suse.cz>
3866 PR tree-optimize/51680
3867 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
3868 on when known_vals needs to be computed; cleanup.
3870 2012-01-08 Jan Hubicka <jh@suse.cz>
3872 PR tree-optimize/51694
3873 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
3875 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
3877 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
3878 for -std=c++98 and -std=c++11 too.
3880 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
3882 * cfgloop.c (cancel_loop): Add free() of bbs array.
3884 2012-01-07 Jan Hubicka <jh@suse.cz>
3886 PR tree-optimization/51600
3887 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
3888 that benefits small functions.
3890 2012-01-07 Jan Hubicka <jh@suse.cz>
3892 * ipa-inline.c (want_inline_small_function_p): Fix formating.
3894 2012-01-07 Jan Hubicka <jh@suse.cz>
3896 PR tree-optimization/51680
3897 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
3898 whose inlining reduce unit size.
3900 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
3903 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
3904 Add canonical node to containing_mem chain after the non-canonical
3905 one, even if there weren't any locs to propagate.
3906 (remove_useless_values): Keep only canonical values.
3907 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
3908 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
3909 canonicalize mem_chain elements that are not discarded.
3911 2012-01-06 Jakub Jelinek <jakub@redhat.com>
3914 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
3915 before emitting functions.
3917 PR gcov-profile/50127
3918 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
3919 clear_aux_for_blocks.
3921 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
3924 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
3926 2012-01-06 Arnaud Charlet <charlet@adacore.com>
3928 * c-decl.c (ext_block): Moved up.
3929 (collect_all_refs, for_each_global_decl): Take ext_block into account.
3931 2012-01-06 Han Shen <shenhan@google.com>
3933 Translate built-in include paths for sysroot.
3934 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
3935 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
3937 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
3938 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
3940 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
3941 control whether sysroot should be prepended to gxx include dir.
3943 * configure: Regenerate.
3945 2012-01-06 Torvald Riegel <triegel@redhat.com>
3947 PR rtl-optimization/51771
3948 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
3949 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
3951 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3953 PR tree-optimization/51315
3954 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
3955 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
3957 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
3960 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
3961 for shrp pattern. Correctly handle and fixup shift variable.
3962 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
3964 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3967 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
3968 note when !ACCUMULATE_OUTGOING_ARGS.
3970 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3972 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
3974 (extract_range_from_unary_expr_1): Avoid useless computations.
3976 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3978 PR rtl-optimization/51767
3979 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
3980 of jump_block and add an extra edge for degenerated asm gotos.
3983 * stmt.c (check_unique_operand_names): Don't ICE during error
3984 reporting if i is from labels chain.
3987 * profile.c (branch_prob): Split bbs that have exit edge
3988 and need a fake entry edge too.
3990 2012-01-05 Jan Hubicka <jh@suse.cz>
3993 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
3996 2012-01-05 Richard Guenther <rguenther@suse.de>
3999 * tree-streamer-out.c (write_ts_optimization): New function.
4000 (streamer_write_tree_body): Call it.
4001 * tree-streamer-in.c (lto_input_ts_optimization): New function.
4002 (streamer_read_tree_body): Call it.
4003 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
4005 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4008 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
4009 * gimplify.c (gimplify_cleanup_point_expr): Save and set
4010 in_cleanup_point_expr before gimplify_stmt call and restore it
4012 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
4013 in_cleanup_point_expr is false.
4015 2012-01-05 Richard Guenther <rguenther@suse.de>
4018 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
4020 * toplev.c (process_options): Reject combining mudflap and LTO.
4021 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
4023 2012-01-05 Richard Guenther <rguenther@suse.de>
4025 PR tree-optimization/51760
4026 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
4028 (bit_value_unop): Handle UNDEFINED operands.
4029 (bit_value_binop): Likewise.
4031 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
4033 * config/avr/avr.c (avr_replace_prefix): Remove.
4034 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
4035 (avr_asm_function_rodata_section): Ditto.
4036 (avr_asm_select_section): Ditto.
4038 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
4040 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
4043 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4046 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
4047 calls that have any non-fake successor edges.
4050 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
4052 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
4054 PR tree-optimization/51624
4055 * tree-sra.c (build_ref_for_model): When replicating a chain of
4056 COMPONENT_REFs, stop as soon as the offset would become negative.
4058 2012-01-04 Jakub Jelinek <jakub@redhat.com>
4061 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
4062 in .debug_loc on the floor.
4064 2012-01-04 Andrew Pinski <apinski@cavium.com>
4066 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
4068 2012-01-04 Andrew Pinski <apinski@cavium.com>
4069 Adam Nemet <anemet@caviumnetworks.com>
4071 * config/mips/mips.md (size): Add SI and DI.
4072 (SIZE): New mode attribute.
4073 (U): New code attribute.
4074 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
4075 (mips_lbux_<mode>): Delete.
4076 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
4077 (mips_lhx): Use gen_mips_lhx_extsi.
4078 (mips_lhx_<mode>): Delete.
4080 (mips_l<size>x): New expand.
4081 (mips_lwx_<mode>): Delete.
4082 (mips_l<GPR:size>x_<P:mode>): New pattern.
4083 (*mips_lw<u>x_<P:mode>_ext): Likewise.
4084 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
4085 * config/mips/mips.c (mips_lx_address_p): New function.
4086 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
4087 (dsp64): New availability predicate.
4088 (mips_builtins): Add an entry for __builtin_mips_ldx.
4089 * config/mips/mips.h (ISA_HAS_LBX): New define.
4090 (ISA_HAS_LBUX): Likewise.
4091 (ISA_HAS_LHX): Likewise.
4092 (ISA_HAS_LHUX): Likewise.
4093 (ISA_HAS_LWX): Likewise.
4094 (ISA_HAS_LWUX): Likewise.
4095 (ISA_HAS_LDX): Likewise.
4096 * doc/extend.texi (__builtin_mips_ldx): Document.
4098 2012-01-04 Tristan Gingold <gingold@adacore.com>
4100 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
4101 when long pointers are used.
4102 * config.build (*-*-*vms*): Handle all OpenVMS targets.
4103 (alpha64-dec-*vms*, alpha*-dec-*vms*)
4104 (ia64-hp-*vms*): Remove.
4105 * config/vms/xm-vms64.h: Delete.
4107 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4110 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
4112 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4114 * opts.c (finish_options): Remove duplicate sorry.
4116 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4119 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
4122 2012-01-04 Richard Guenther <rguenther@suse.de>
4125 * tree.c (size_low_cst): New function.
4126 * tree.h (size_low_cst): Declare.
4127 * fold-const.c (fold_comparison): Use it to extract the low
4128 part of the POINTER_PLUS_EXPR offset.
4130 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
4132 Fix clearing ZERO_REG
4133 * config/avr/avr.md (cc): Add alternative "ldi".
4134 (movqi_insn): Use it in cc attribute.
4135 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
4136 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
4137 (output_reload_insisf): Use ZERO_REG to pre-clear register.
4139 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4141 * configure: Regenerate.
4143 2012-01-04 Richard Guenther <rguenther@suse.de>
4145 PR tree-optimization/49651
4146 * tree-ssa-structalias.c (type_can_have_subvars): New function.
4147 (var_can_have_subvars): Use it.
4148 (get_constraint_for_1): Only consider subfields if there can be any.
4150 2012-01-03 Jakub Jelinek <jakub@redhat.com>
4153 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
4154 to its new canonical_cselib_val and the cselib_val was in
4155 first_containing_mem chain, but the canonical_cselib_val was not,
4156 add the latter into the chain.
4157 (cselib_invalidate_mem): Compare canonical_cselib_val of
4158 addr_list chain elt with v.
4161 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
4162 dwarf2out_undef): Allocate e.info using ggc_strdup instead
4164 (output_macinfo_op): Don't ggc_strdup fd->filename.
4165 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
4166 then ggc_strdup it. Don't free inc->info or cur->info.
4167 (output_macinfo): Don't free ref->info or file->info.
4169 2012-01-03 Ira Rosen <irar@il.ibm.com>
4171 PR tree-optimization/51269
4172 * tree-vect-loop-manip.c (set_prologue_iterations): Make
4173 first_niters a pointer.
4174 (slpeel_tree_peel_loop_to_edge): Likewise.
4175 (vect_do_peeling_for_loop_bound): Update call to
4176 slpeel_tree_peel_loop_to_edge.
4177 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
4178 here. Remove it from the parameters list.
4179 (vect_do_peeling_for_alignment): Update calls and compute
4182 2012-01-03 Richard Guenther <rguenther@suse.de>
4184 PR tree-optimization/51070
4185 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
4186 Properly handle calls.
4188 2012-01-03 Richard Guenther <rguenther@suse.de>
4190 PR tree-optimization/51692
4191 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
4192 the LHS of allocation stmts.
4194 2012-01-03 Olivier Hainque <hainque@adacore.com>
4196 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
4198 2012-01-03 Olivier Hainque <hainque@adacore.com>
4200 * collect2.c (main): In AIX specific computations for vector
4201 insertions, use CONST_CAST2 to cast from char ** to const char **.
4203 2012-01-03 Richard Guenther <rguenther@suse.de>
4206 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
4207 the context of a limbo DIE when it does not already exist.
4209 2012-01-03 Jakub Jelinek <jakub@redhat.com>
4211 PR tree-optimization/51719
4212 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
4213 but direct call is, clear direct call's lhs and don't add fallthrough
4214 edge from dcall_bb to join_bb and PHIs.
4216 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4218 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
4219 the instructions emitted by the pattern.
4220 ("*TDC_insn_<mode>"): Add comment.
4222 2012-01-03 Richard Guenther <rguenther@suse.de>
4225 * fold-const.c (fold_comparison): Properly canonicalize
4226 tree offset and HOST_WIDE_INT bit position.
4228 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
4230 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
4231 operands for extzv pattern.
4233 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4236 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
4239 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
4241 * doc/invoke.texi (-flto and related options): Copy-edit.
4243 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4245 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
4247 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4249 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
4252 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4254 * expr.h (move_by_pieces_ninsns): Declare.
4255 * expr.c (move_by_pieces_ninsns): Make external.
4256 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
4257 (mips_store_by_pieces_p): Likewise.
4258 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
4259 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
4260 * config/mips/mips.c (mips_move_by_pieces_p): New function.
4261 (mips_store_by_pieces_p): Likewise.
4263 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4265 * passes.c (register_one_dump_file): Free full_name.
4267 * reload1.c (reload): Don't allocate reg_max_ref_width here.
4268 (calculate_elim_costs_all_insns): Free offsets_at and
4269 offsets_known_at at the end and clear the pointers.
4271 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4273 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
4274 this option introduced in r180739.
4276 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4279 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
4280 (tmake_file target=avr): Add avr/t-multilib.
4282 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
4283 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
4284 * config/avr/genmultilib.awk: New file.
4285 * config/avr/t-multilib: New auto-generated file.
4286 * config/avr/multilib.h: New auto-generated file.
4287 * config/avr/t-avr (AVR_MCUS): New variable.
4288 (genopt.sh): Use it.
4289 (s-mlib): Depend on t-multilib.
4290 (t-multilib, multilib.h): New dependencies.
4291 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
4292 (MULTILIB_OPTIONS): Remove.
4293 (MULTILIB_MATCHES): Remove.
4294 (MULTILIB_DIRNAMES): Remove.
4295 (MULTILIB_EXCEPTIONS): Remove:
4296 * config/avr/genopt.sh: Don't use hard coded file name;
4297 pass AVR_MCUS from t-avr instead.
4299 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4301 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
4303 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4305 Implement light-weight DImode support.
4306 * config/avr/avr-dimode.md: New file.
4307 * config/avr/avr.md: Include it.
4308 (adjust_len): Add plus64, compare64.
4309 (HIDI): Remove code iterator.
4310 (code_stdname): New code attribute.
4311 (rotx, rotsmode): Remove DI.
4312 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
4314 * config/avr/avr-protos.h (avr_have_dimode): New.
4315 (avr_out_plus64, avr_out_compare64): New.
4316 * config/avr/avr.c (avr_out_compare): Handle DImode.
4317 (avr_have_dimode): New variable definition and initialization.
4318 (avr_out_compare64, avr_out_plus64): New functions.
4319 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
4320 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
4321 (avr_compare_pattern): Skip DImode comparisons.
4323 2012-01-02 Revital Eres <revital.eres@linaro.org>
4325 * ddg.c (def_has_ccmode_p): New function.
4326 (add_cross_iteration_register_deps,
4327 create_ddg_dep_from_intra_loop_link): Call it.
4329 2012-01-02 Richard Guenther <rguenther@suse.de>
4332 * invoke.texi (fassociative-math): Remove spurious paranthesis.
4334 2012-01-01 Jakub Jelinek <jakub@redhat.com>
4336 * gcc.c (process_command): Update copyright notice dates.
4337 * gcov.c (print_version): Likewise.
4338 * gcov-dump.c (print_version): Likewise.
4339 * mips-tfile.c (main): Likewise.
4340 * mips-tdump.c (main): Likewise.
4342 2012-01-01 Ira Rosen <irar@il.ibm.com>
4344 PR tree-optimization/51704
4345 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
4346 a use is inside the basic block or loop before accessing its vect info.
4348 2012-01-01 Jan Hubicka <jhjh@suse.cz>
4350 PR rtl-optimization/51069
4351 * cfgloopmanip.c (remove_path): Removing path making irreducible
4352 region unconditional makes BB part of the region.
4354 2012-01-01 Jakub Jelinek <jakub@redhat.com>
4356 PR tree-optimization/51683
4357 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
4358 calls with side-effects.
4359 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
4361 Copyright (C) 2012 Free Software Foundation, Inc.
4363 Copying and distribution of this file, with or without modification,
4364 are permitted in any medium without royalty provided the copyright
4365 notice and this notice are preserved.