1 2012-05-14 Uros Bizjak <ubizjak@gmail.com>
4 * config/i386/i386.c (ix86_expand_special_args_builtin): Always
5 generate target register for "load" class builtins.
8 2010-10-22 Uros Bizjak <ubizjak@gmail.com>
11 * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
12 Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
13 (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
14 (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
15 (<sse>_movu<ssemodesuffix>): New expander.
16 (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
17 (avx_movdqu<avxmodesuffix>): New expander.
18 (*sse2_movdqu): Rename from sse2_movdqu.
19 (sse2_movdqu): New expander.
21 2012-05-14 Jakub Jelinek <jakub@redhat.com>
23 * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
24 lineno 1 the same as lineno 0 before first start file directive.
25 (optimize_macinfo_range): Likewise.
27 * dwarf2out.c (have_macinfo): Define.
28 (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
29 attribute, don't force empty compilation unit and don't emit any
30 .debug_macinfo/.debug_macro section if macinfo_table is empty.
32 2012-05-13 Uros Bizjak <ubizjak@gmail.com>
34 Backport from mainline
35 2012-05-12 Uros Bizjak <ubizjak@gmail.com>
37 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
38 ORDERED and UNORDERED conditions.
40 2012-05-12 Eric Botcazou <ebotcazou@adacore.com>
42 * function.c (requires_stack_frame_p): If the function can throw
43 non-call exceptions, return true if the insn can throw internally.
45 2012-05-10 Eric Botcazou <ebotcazou@adacore.com>
47 * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
48 DECL_ORIGINAL_TYPE if it is present.
50 2012-05-09 Georg-Johann Lay <avr@gjlay.de>
52 Backport from 2012-05-12 mainline r187342.
55 * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
56 * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
57 * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
58 * config/avr/avr.c (avr_asm_declare_function_name): Remove.
59 (expand_prologue): Move initialization of cfun->machine->is_naked,
60 is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
61 (avr_set_current_function): ...this new static function.
62 (TARGET_SET_CURRENT_FUNCTION): New define.
63 (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
64 checking attributes of current_function_decl.
65 (avr_regs_to_save): Ditto.
66 (signal_function_p): Rename to avr_signal_function_p.
67 (interrupt_function_p): Rename to avr_interrupt_function_p.
69 * doc/extend.texi (Function Attributes): Better explanation of
70 'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
73 2012-05-09 Matthias Klose <doko@ubuntu.com>
75 * gcc-ar.c (main): Don't check for execute bits for the plugin.
77 2012-05-08 Hans-Peter Nilsson <hp@axis.com>
80 * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
81 when a constant source operand matches an "I" constraint, the "no
82 CC0 change" applies to a register-destination only, not a
83 strict_low_part-destination.
85 2012-05-07 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
87 Backport from mainline:
88 2012-04-19 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
90 * config/arm/sync.md (sync_optab): Change ior attribute to "or".
92 2012-05-07 Jakub Jelinek <jakub@redhat.com>
94 PR tree-optimization/53239
95 * tree-vrp.c (get_value_range): Set VR of
96 SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
99 2012-05-07 Richard Guenther <rguenther@suse.de>
101 PR tree-optimization/53195
102 * tree-inline.c (setup_one_parameter): Properly add referenced
103 vars from the parameters new known value.
105 2012-05-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
107 Backport from mainline:
108 2012-04-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
111 * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
114 2012-05-04 Ian Lance Taylor <iant@google.com>
116 * tree-vect-patterns.c (vect_single_imm_use): Correct return
117 values from false to NULL.
119 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
121 Backport from mainline
122 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
125 * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
126 (TARGET_CMOV): Rename from TARGET_CMOVE.
127 (TARGET_CMOVE): New define.
128 * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
129 Do not set TARGET_CMOVE here.
131 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
133 Backport from mainline:
135 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
137 PR tree-optimization/52633
138 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
139 vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
140 (vect_recog_over_widening_pattern): Remove handling of code that was
141 already detected as over-widening pattern. Remove special handling
142 of "unsigned" cases. Instead, support general case of conversion
143 of the shift result to another type.
145 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
147 * tree-vect-patterns.c (vect_single_imm_use): New function.
148 (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
149 (vect_recog_over_widening_pattern): Likewise.
150 (vect_recog_widen_shift_pattern): Likewise.
152 2012-04-10 Ulrich Weigand <ulrich.weigand@linaro.org>
154 PR tree-optimization/52870
155 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
156 presumed pattern statement is within the same loop or basic block.
158 2012-05-04 Richard Guenther <rguenther@suse.de>
160 * common.opt (flto-report): Do not mark as Optimization.
162 2012-05-04 Eric Botcazou <ebotcazou@adacore.com>
165 * recog.c (constrain_operands): If extra constraints are present, also
166 accept pseudo-registers with equivalent memory locations during reload.
168 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
170 Backport from the mainline
171 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
174 * config/rs6000/rs6000.md (bswapdi splitters): If
175 -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
176 default) is used, generate an alternate sequence that does not
177 depend on using indexed addressing.
179 2012-05-03 David S. Miller <davem@davemloft.net>
182 * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
183 MEM directly into a libcall, mark it's MEM_EXPR as addressable.
184 (sparc_emit_float_lib_cmp): Likewise.
186 2012-05-04 Martin Jambor <mjambor@suse.cz>
188 Backport from mainline
189 2012-05-02 Martin Jambor <mjambor@suse.cz>
192 * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
193 of a variable when the contect is a function.
195 2012-05-03 Jakub Jelinek <jakub@redhat.com>
198 * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
199 append program name to it and pass that as first argument
200 to make_relative_prefix. Always pass standard_libexec_prefix
201 as last argument to make_relative_prefix. If
202 make_relative_prefix returns NULL, fall back to
203 standard_libexec_prefix.
206 * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
210 * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
211 mode, return that mode.
213 2012-05-03 Richard Guenther <rguenther@suse.de>
215 PR tree-optimization/53144
216 * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
218 (vn_reference_lookup_or_insert_for_pieces): ... this. Properly deal
219 with SSA name values.
220 (vn_reference_lookup_3): Adjust callers.
222 2012-05-02 Jakub Jelinek <jakub@redhat.com>
224 PR tree-optimization/53163
225 * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
226 return value from compute_all_dependences.
228 PR rtl-optimization/53160
229 * ree.c (combine_reaching_defs): Handle the case where cand->insn
230 has been modified by ree pass already.
232 2012-05-01 Uros Bizjak <ubizjak@gmail.com>
234 Backport from mainline
235 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
238 * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
239 calls to cgraph_node_name in xstrdup.
240 (ipa_make_edge_direct_to_target): Ditto.
241 * tree-sra.c (convert_callers_for_node): Ditto.
242 * lto-symtab.c (lto_cgraph_replace_node): Ditto.
243 * ipa-cp.c (perhaps_add_new_callers): Ditto.
244 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
245 (cgraph_materialize_all_clones): Ditto.
246 * ipa-inline.c (report_inline_failed_reason): Ditto.
247 (want_early_inline_function_p): Ditto.
248 (edge_badness): Ditto.
249 (update_edge_key): Ditto.
250 (flatten_function): Ditto.
252 (inline_always_inline_functions): Ditto.
253 (early_inline_small_functions): Ditto.
255 2012-04-30 Andreas Tobler <andreast@fgznet.ch>
257 Backport from mainline
258 2012-03-21 Andreas Tobler <andreast@fgznet.ch>
260 * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
261 Introduce emul_name to select the right linker emulation for
262 powerpc64-*-freebsd*.
263 * configure: Regenerate.
264 * config.gcc: Add bits to support powerpc64-*-freebsd*.
265 * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
266 * config/rs6000/freebsd64.h: New file.
267 * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
269 (rs6000_savres_strategy): Likewise.
270 (rs6000_savres_routine_name): Likewise.
271 (rs6000_elf_file_end): Likewise.
272 * config/rs6000/t-freebsd64: New file.
273 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
274 rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
276 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
278 Backport from mainline
279 2012-04-27 Paolo Bonzini <bonzini@gnu.org>
282 * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
284 2012-04-30 Eric Botcazou <ebotcazou@adacore.com>
286 * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
287 predicate to discriminate types.
289 2012-04-27 Richard Guenther <rguenther@suse.de>
292 * convert.c (convert_to_integer): Avoid infinite recursion for
293 target-defined built-in types.
295 2012-04-26 Hans-Peter Nilsson <hp@axis.com>
298 * config/cris/cris.md ("*andhi_lowpart_v32")
299 ("*andqi_lowpart_v32"): Change first input-only operand from
300 a (match_operand ...) to (match_dup 0). Drop alternatives with
301 const_int-matching constraints for redundancy.
302 ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto. Drop
303 three-operand alternative.
305 2012-04-26 Uros Bizjak <ubizjak@gmail.com>
307 Backport from mainline
308 2012-04-23 Uros Bizjak <ubizjak@gmail.com>
310 * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
311 (*addsi_2_zext): Ditto.
312 (*add<mode>_3): Ditto.
313 (*addsi_3_zext): Ditto.
314 (*add<mode>_5): Ditto.
316 2012-04-25 Jakub Jelinek <jakub@redhat.com>
319 * c-typeck.c (set_nonincremental_init,
320 set_nonincremental_init_from_string): Pass true instead of false
321 as IMPLICIT to add_pending_init.
323 2012-04-24 Georg-Johann Lay <avr@gjlay.de>
325 Backport from 2012-04-24 mainline r186768.
328 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
330 2012-04-24 Richard Guenther <rguenther@suse.de>
332 PR tree-optimization/53085
333 * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
336 2012-04-24 Jakub Jelinek <jakub@redhat.com>
339 * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
341 (output_addressed_constants): Likewise.
344 * varasm.c (get_section): Don't ICE for section conflicts with
345 built-in section kinds.
347 2012-04-23 David Edelsohn <dje.gcc@gmail.com>
349 * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
351 2012-04-23 Georg-Johann Lay <avr@gjlay.de>
353 * doc/extend.texi (AVR Named Address Spaces): Fix typos.
355 2012-04-23 Richard Guenther <rguenther@suse.de>
358 * c-typeck.c (build_binary_op): Fix typo.
360 2012-04-23 Jakub Jelinek <jakub@redhat.com>
362 PR tree-optimizations/52891
363 * tree-vect-patterns.c (adjust_bool_pattern): Use
364 build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
365 but with non-standard precision.
367 2012-04-22 Ian Lance Taylor <iant@google.com>
369 * godump.c (go_output_typedef): Dump size of structs.
371 2012-04-20 Ulrich Weigand <ulrich.weigand@linaro.org>
373 Backport from mainline:
375 * config/arm/arm.c (arm_print_operand): Fix invalid alignment
376 hints for 'A' operand types.
378 2012-04-19 Georg-Johann Lay <avr@gjlay.de>
380 Backport from 2012-04-19 mainline r186588.
383 * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
386 2012-04-18 Uros Bizjak <ubizjak@gmail.com>
388 * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
390 2012-04-17 Uros Bizjak <ubizjak@gmail.com>
393 * config/i386/sync.md (atomic_<code><mode>): Rename to
394 atomic_<logic><mode>.
396 2012-04-16 Uros Bizjak <ubizjak@gmail.com>
398 Backport from mainline
399 2012-04-12 Uros Bizjak <ubizjak@gmail.com>
402 * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
403 argument type to __m256i. Update call to __builtin_ia32_permvarsf256.
404 * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
405 (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
406 * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
407 Update builtin type to V8SF_FTYPE_V8SF_V8SI.
408 (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
409 gen_avx2_permvarv8sf.
411 2012-04-16 Martin Jambor <mjambor@suse.cz>
413 Backported from mainline
415 2012-04-13 Martin Jambor <mjambor@suse.cz>
418 * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
419 fold_ctor_reference returns a zero constant.
421 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
423 Backported from mainline
424 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
426 * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
427 and __ILP32__ for x32.
429 2012-04-13 Tom de Vries <tom@codesourcery.com>
431 Backport from mainline r186418.
433 2012-04-13 Tom de Vries <tom@codesourcery.com>
435 * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
436 parameters vuse and vuse_escaped.
437 (find_duplicate): Init vuse1, vuse2 and vuse_escaped. Pass to
438 gsi_advance_bw_nondebug_nonlocal. Return if vuse_escaped and
441 2012-04-13 Richard Guenther <rguenther@suse.de>
443 PR tree-optimization/52969
444 * tree-if-conv.c (predicate_mem_writes): Properly gimplify
445 the condition for the COND_EXPR and handle predicate negation
446 by swapping the COND_EXPR arms.
448 2012-04-13 Richard Guenther <rguenther@suse.de>
451 * convert.c (convert_to_pointer): Remove special-casing of
454 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
456 Backport from mainline
457 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
460 * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
461 the list of options to enable the FCFID instruction.
462 (TARGET_EXTRA_BUILTINS): Adjust comment.
464 2012-04-12 Richard Guenther <rguenther@suse.de>
466 PR tree-optimization/52943
467 * tree-chrec.h (chrec_is_positive): Remove.
468 * tree-scalar-evolution.c (chrec_is_positive): Move ...
469 * tree-data-ref.c (chrec_is_positive): ... here. Make static.
470 Return false for a constant zero instead of negative.
471 (analyze_siv_subscript_cst_affine): Handle zero difference
472 in the initial condition explicitely.
474 2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
477 * varasm.c (process_pending_assemble_externals): Set
478 pending_assemble_externals_processed true.
479 (assemble_external): Call assemble_external_real if the pending
480 assemble externals have been processed.
482 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
485 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
486 the DECL generated for the special GOT helper.
488 2012-04-06 Walter Lee <walt@tilera.com>
490 Backport from mainline
491 2012-03-07 Walter Lee <walt@tilera.com>
493 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
494 REG_CFA_* notes for the stack pointer.
495 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
496 EH_RETURN_STACKADJ_RTX.
497 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
498 generate REG_CFA_* notes for the stack pointer.
499 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
500 by EH_RETURN_STACKADJ_RTX.
502 2012-04-06 Matt Turner <mattst88@gmail.com>
504 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
506 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
508 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
509 of the destination isn't also a FP_REGS register.
511 2012-04-03 Richard Guenther <rguenther@suse.de>
513 Backport from mainline
514 2012-03-02 Richard Guenther <rguenther@suse.de>
516 PR tree-optimization/52406
517 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
518 (struct indices): Add unconstrained_base member.
519 (struct dr_alias): Remove unused vops member.
520 (DR_UNCONSTRAINED_BASE): New define.
521 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
522 add indices to allow their disambiguation. Make DR_BASE_OBJECT
523 be an artificial access that covers the whole indexed object,
524 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
525 plain decl base-objects to their MEM_REF variant.
526 (dr_may_alias_p): When the base-object of either data reference
527 has unknown size use only points-to information.
528 (compute_affine_dependence): Make dumps easier to read and
530 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
531 DR_REF when looking for packed references.
532 (vect_supportable_dr_alignment): Likewise.
534 2012-04-03 Richard Guenther <rguenther@suse.de>
536 Backport from mainline
537 2012-03-15 Richard Guenther <rguenther@suse.de>
540 * tree-data-ref.c (subscript_dependence_tester_1): Check
541 all dimensions for non-conflicting access functions.
543 2012-04-03 Richard Guenther <rguenther@suse.de>
545 Backport from mainline
546 2012-03-06 Richard Guenther <rguenther@suse.de>
549 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
551 2012-03-23 Richard Guenther <rguenther@suse.de>
553 PR tree-optimization/52678
554 * tree-vectorizer.h (struct _stmt_vec_info): Add
555 loop_phi_evolution_part member.
556 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
557 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
558 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
559 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
560 Use the cached evolution part and the PHI nodes value from
561 the loop preheader edge instead of re-analyzing the evolution.
563 2012-03-26 Richard Guenther <rguenther@suse.de>
565 PR tree-optimization/52701
566 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
567 compute and set the evolution part of PHI nodes.
569 2012-03-30 Richard Guenther <rguenther@suse.de>
571 PR tree-optimization/52754
572 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
573 propagate arbitrary addresses into really plain dereferences.
575 2012-04-03 Jakub Jelinek <jakub@redhat.com>
577 PR tree-optimization/52835
578 * tree-data-ref.c (build_rdg): Return NULL if
579 compute_data_dependences_for_loop failed.
581 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
583 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
584 (stmt_can_make_abnormal_goto): Use it.
585 (is_ctrl_altering_stmt): Likewise.
587 2012-03-31 Martin Jambor <mjambor@suse.cz>
589 Backported from mainline
590 2012-03-30 Martin Jambor <mjambor@suse.cz>
592 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
593 is a builtin_stack_save in a dominating BB.
595 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
597 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
598 crossing 128bit lane boundary.
600 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
602 Backported from mainline
603 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
606 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
608 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
609 * config/i386/i386.c: Include reload.h.
610 (ix86_legitimize_reload_address): New function.
612 2012-03-28 Martin Jambor <mjambor@suse.cz>
614 Backported from mainline
615 2012-03-27 Martin Jambor <mjambor@suse.cz>
618 * tree-sra.c (sra_modify_assign): Do not call
619 load_assign_lhs_subreplacements when working with an unscalarizable
622 2012-03-28 Jakub Jelinek <jakub@redhat.com>
625 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
626 __builtin_va_start to __builtin_next_arg if the latter is
627 builtin_decl_explicit_p rather than when it is not.
630 * tree-vect-generic.c (vector_element): Perform multiplication
631 for pos in bitsizetype type instead of idx type.
633 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
635 Backport from 2012-03-28 mainline r185910.
638 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
639 (avr_builtin_decl): New static function.
640 (struct avr_builtin_description, avr_bdesc): Move up.
641 Add GTY marker. Add field fndecl. Remove redundant field id.
642 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
643 (avr_expand_builtin): Code cleanup because .id is removed.
645 2012-03-28 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
648 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
651 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
653 Backport from 2012-03-28 mainline r185907.
656 * config.gcc (tm_file): Remove avr/multilib.h.
658 * doc/invoke.texi (AVR Options): Adjust
659 documentation of -mtiny-stack.
661 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
662 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
663 * config/avr/t-avr: Remove generation of multilib.h.
664 * config/avr/t-multilib: Regenerate.
665 * config/avr/multilib.h: Remove.
666 * config/avr/avr.opt (-msp8): New option.
667 (avr_sp8): New variable.
668 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
669 * config/avr/avr.h (AVR_HAVE_SPH): New define.
670 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
671 (avr_device_to_sp8): New prototype.
672 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
673 (DRIVER_SELF_SPECS): New define.
674 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
675 __AVR_SP8__, __AVR_HAVE_SPH__.
676 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
677 AVR_HAVE_8BIT_SP to decide if SP_H is present.
678 (avr_file_start): Ditto.
680 2012-03-28 Jakub Jelinek <jakub@redhat.com>
683 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
684 instead of 8 in adjust_address.
686 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
688 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
689 of a unit before computing the offset in units.
691 2012-03-27 Richard Guenther <rguenther@suse.de>
694 * fold-const.c (try_move_mult_to_index): Handle &x.array more
697 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
700 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
702 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
705 * varasm.c: Include pointer-set.h.
706 (pending_assemble_externals_set): New pointer set.
707 (process_pending_assemble_externals): Destroy the pointer set.
708 (assemble_external): See if decl is in pending_assemble_externals_set,
709 and add it to pending_assemble_externals if necessary.
710 (init_varasm_once): Allocate pending_assemble_externals_set.
712 2012-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
714 Backported from mainline
715 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
718 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
719 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
720 (vector_ltgt<mode>): Likewise.
721 (vector_ordered<mode>): Likewise.
722 (vector_unordered<mode>): Likewise.
723 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
725 2012-03-23 Joern Rennecke <joern.rennecke@embecosm.com>
727 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
730 2012-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
732 Backported from mainline
733 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
737 * config/sh/sh.c (sh_register_move_cost): Increase cost between
738 GENERAL_REGS and FP_REGS for SImode.
740 2012-03-22 Jakub Jelinek <jakub@redhat.com>
743 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
744 on any new_local_var_chain vars declared during recursing on
745 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
747 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
749 Backport from 2012-03-22 mainline r185692.
752 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
753 (unspecv): Add UNSPECV_MEMORY_BARRIER.
754 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
755 (delay_cycles_1, delay_cycles_2): Ditto.
756 (delay_cycles_3, delay_cycles_4): Ditto.
757 (nopv, *nopv): Ditto.
758 (sleep, *sleep): Ditto.
761 Backport from 2012-03-21 mainline r185605.
763 PR rtl-optimization/52543
765 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
766 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
767 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
768 (avr_load_libgcc_p): Restrict to __flash loads.
769 (avr_out_lpm): Only handle 1-byte loads from __flash.
770 (avr_load_lpm): New function.
771 (avr_find_unused_d_reg): Remove.
772 (avr_out_lpm_no_lpmx): Remove.
773 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
774 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
775 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
776 (load_<mode>, load_<mode>_clobber): New insns.
777 (mov<mode>): For multi-byte move from non-generic
778 16-bit address spaces: Expand to load_<mode> resp.
780 (load<mode>_libgcc): Remove expander.
781 (split-lpmx): Remove split.
783 Backport from 2012-03-13 mainline r185329.
786 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
787 offset (size) to a value the insns can deal with.
788 (expand_epilogue): Ditto.
790 Backport from 2012-03-12 mainline r185256.
793 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
794 type from reg_class_t to enum reg_class.
795 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
797 Backport from 2012-03-12 mainline r185253.
800 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
801 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
802 r184615 from 2012-02-28.
804 Backport from 2012-03-08 mainline r185105.
806 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
807 for constants in [-63,63].
809 Backport from 2012-03-08 mainline r185100.
812 * config/avr/avr.c (avr_mem_clobber): New static function.
813 (avr_expand_delay_cycles): Add memory clobber operand to
814 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
815 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
816 (enable_interrupt, disable_interrupt): New expander.
817 (nopv, sleep, wdr): New expanders.
818 (delay_cycles_1): Add memory clobber.
819 (delay_cycles_2): Add memory clobber.
820 (delay_cycles_3): Add memory clobber.
821 (delay_cycles_4): Add memory clobber.
822 (cli_sei): New insn from former "enable_interrupt",
823 "disable_interrupt" with memory clobber.
824 (*wdt): New insn from former "wdt" with memory clobber.
825 (*nopv): Similar, but for "nopv".
826 (*sleep): Similar, but for "sleep".
828 Backport from 2012-03-07 mainline r185043.
831 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
833 Backport from 2012-03-07 mainline r185032.
836 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
837 to: RAMPZ, RAMPY, RAMPX, RAMPD.
838 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
840 Backport from 2012-03-07 mainline r185031.
843 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
845 * config/avr/avr.md (xload_8): Adjust insn length.
847 Backport from 2012-03-07 mainline r185030.
850 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
851 if RAMPZ affects reading from RAM.
853 Backport from 2012-03-05 mainline r184919.
855 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
857 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
859 Backport from mainline r185259.
862 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
863 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
865 2012-03-22 Jakub Jelinek <jakub@redhat.com>
867 Backported from mainline
868 2012-03-13 Jakub Jelinek <jakub@redhat.com>
871 * c-parser.c (c_parser_postfix_expression)
872 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
874 * config/i386/smmintrin.h: Avoid /* within a comment.
875 * config/i386/nmmintrin.h: Likewise.
877 2012-03-22 Richard Guenther <rguenther@suse.de>
879 * BASE-VER: Set to 4.7.1.
880 * DEV-PHASE: Set to prerelease.
882 2012-03-22 Release Manager
884 * GCC 4.7.0 released.
886 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
888 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
890 2012-03-15 Jakub Jelinek <jakub@redhat.com>
891 Andrew Pinski <apinski@cavium.com>
894 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
895 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
896 calls instead of __builtin_ir{int,ound}*.
898 2012-03-14 Jakub Jelinek <jakub@redhat.com>
901 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
904 2012-03-13 Joseph Myers <joseph@codesourcery.com>
906 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
907 Refer to GCC 4.7 version of c99status.html.
909 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
911 Backport from mainline
912 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
914 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
915 redefine to be NULL if the current bit-size is different from the
918 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
919 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
920 set the default tuning. Add asserts to make sure the cpu and tune
921 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
922 test whether the index is set, instead of > 0.
923 (rs6000_file_start): Do not reset the default cpu if the current
924 bit-size is different from the configured bit-size.
926 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
928 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
930 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
931 Update binutils references.
932 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
933 Update binutils reference.
934 Update Sun as/GNU ld caveat.
935 Document binutils largefile requirement for LTO plugin.
936 Remove reference to alternate libpthread.
938 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
940 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
942 (Specific, mips-sgi-irix6): Likewise.
944 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
946 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
947 * configure: Regenerate.
949 2012-03-07 Richard Henderson <rth@redhat.com>
951 * config/m68k/m68k.h (ISA_HAS_TAS): New.
952 * config/m68k/sync.md (atomic_test_and_set): Use it.
953 (atomic_test_and_set_1): Likewise.
955 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
958 * Makefile.in: Let install-gcc-ar depend on installdirs,
959 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
960 Don't double canonicalize if cross-compiling.
962 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
964 * trans-mem.c: New typedef for tm_region_p.
965 Define vector types for tm_region_p.
966 (tm_region_init): Replace region_worklist to a vector called
969 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
972 * trans-mem.c (tm_region_init): Use last_basic_block.
974 2012-03-05 Richard Henderson <rth@redhat.com>
977 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
978 * omp-low.c (expand_omp_atomic): Assume anything aligned to
979 BIGGEST_ALIGNMENT is aligned.
981 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
983 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
985 2012-03-05 Richard Henderson <rth@redhat.com>
988 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
989 instead of calling negqi2 directly.
991 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
993 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
994 (INTMAX_TYPE): Use it.
995 (UINTMAX_TYPE): Likewise.
996 (SUBTARGET_OVERRIDE_OPTIONS): Define.
997 (irix6_c_common_override_options): Declare.
998 (C_COMMON_OVERRIDE_OPTIONS): Define.
999 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
1000 * config/mips/irix6-c.c: New file.
1001 * config/mips/t-irix6 (irix6-c.o): New target.
1002 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
1005 2012-03-02 Richard Henderson <rth@redhat.com>
1007 * optabs.c (expand_atomic_test_and_set): Honor
1008 atomic_test_and_set_trueval even when atomic_test_and_set
1009 optab is not in use.
1011 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
1013 Backport from mainline
1014 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
1016 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
1018 2012-03-02 Richard Guenther <rguenther@suse.de>
1020 * DEV-PHASE: Set to prerelease.
1022 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
1024 * config.gcc (obsolete): Add all ARM targets using the FPA.
1025 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
1026 * doc/install.texi: Avoid references to obsolete ARM ports.
1028 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
1030 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
1032 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
1033 Joern Rennecke <joern.rennecke@embecosm.com>
1035 * doc/extend.texi: Expand and update information on interrupt
1036 attribute for Epiphany.
1038 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1040 * config/sh/sh-protos.h: Update copyright notice dates.
1041 * config/sh/sh.h: Likewise.
1042 * config/sh/sh.md: Likewise.
1043 * config/sh/constraints.md: Likewise.
1044 * config/sh/predicates.md: Likewise.
1046 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1048 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1049 * config/sh/sh.c (tertiary_reload_operand): Likewise.
1051 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1053 * config/sh/constraints.md: Fix comment typo.
1055 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1058 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
1059 unsigned HOST_WIDE_INT.
1060 (zvdep_imm64): Likewise.
1061 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
1062 (vdepi_and): Likewise.
1063 Likewise for unamed 64-bit patterns.
1064 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
1066 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
1069 PR rtl-optimization/52417
1070 * cselib.c (cselib_any_perm_equivs): New variable.
1071 (cselib_reset_table): Check that it's not set when not
1072 preserving constants.
1073 (cselib_add_permanent_equiv): Set it.
1074 (cselib_have_permanent_equivalences): New.
1075 (cselib_init, cselib_finish): Reset it.
1076 * cselib.h (cselib_have_permanent_equivalences): Declare.
1077 * alias.c (get_addr): Restore earlier behavior when there
1078 aren't permanent equivalences.
1080 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
1082 * config/mn10300/mn10300-modes.def: Fix copyright notice.
1083 * config/v850/v850-modes.def: Fix copyright notice.
1085 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
1087 * doc/extend.texi (AVR Built-in Functions): Document
1088 __builtin_avr_flash_segment.
1090 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
1091 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
1092 (*split.flash_segment): New insn-and-split.
1093 * config/avr/avr.c (avr_init_builtins): Add local variables:
1094 const_memx_void_node, const_memx_ptr_type_node,
1095 char_ftype_const_memx_ptr.
1097 2012-03-01 Jakub Jelinek <jakub@redhat.com>
1099 PR tree-optimization/52445
1100 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
1101 add ssa_name_ver, offset and size fields and change store field
1103 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
1104 (add_or_mark_expr): Likewise. Only consider previous stores
1105 with the same size and offset.
1106 (nt_init_block): Only look at gimple_assign_single_p stmts,
1107 doesn't look at rhs2.
1109 2012-03-01 Richard Guenther <rguenther@suse.de>
1112 * tree-cfg.c (verify_gimple_assign_unary): Allow any
1113 conversions from integral types to pointer types.
1115 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
1117 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
1118 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
1119 unintentionally removed in r184616.
1121 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
1123 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
1126 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1127 Uros Bizjak <ubizjak@gmail.com>
1130 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
1131 alternatives, add "e" constraint to the new last alternative
1132 and ! to last 3 alternatives.
1134 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
1136 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
1137 DW_AT_artificial attributes at the end of the processing.
1138 (gen_array_type_die): Likewise.
1139 (gen_enumeration_type_die): Likewise.
1140 (gen_struct_or_union_type_die): Likewise.
1141 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
1144 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1147 * expr.c (expand_assignment): If doing misaligned store that doesn't
1148 cover all mode bits, perform a RMW cycle.
1150 PR tree-optimization/52429
1151 * tree-parloops.c (separate_decls_in_region_debug): Return early
1152 if var is LABEL_DECL.
1154 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1156 PR tree-optimization/52424
1157 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
1158 calling dom_thread_across_edge.
1160 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1162 * config/avr/avr.c: Move definition of TARGET macros to end of file.
1164 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1166 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
1167 * config/avr/avr.c (avr_output_bld): Remove unused function.
1168 (avr_out_sbxx_branch): Use "%T" to print bit position.
1170 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1172 * config/avr/avr.md: Untabify.
1174 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1176 * config/avr/avr.md (eqne): New code iterator.
1177 (*dec-and-branchsi): Use it in text peephole's condition.
1178 (*dec-and-branchhi): Ditto.
1179 (*dec-and-branchqi): Ditto.
1181 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1184 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
1185 the device does not have the skip-bug.
1187 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
1189 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
1190 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
1191 -mpretend-cmove): New.
1193 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1196 * df.h (struct df_d): Adjust comment that hard_regs_live_count
1197 doesn't count DEBUG_INSN refs.
1198 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
1199 for DEBUG_INSN refs.
1201 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1205 2012-02-20 Richard Guenther <rguenther@suse.de>
1206 PR tree-optimization/52298
1207 * tree-vect-stmts.c (vectorizable_load): Properly use
1208 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1211 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
1214 * gimple.h (gimple_in_transaction): New.
1215 (gimple_set_in_transaction): New.
1216 (struct gimple_statement_base): Add in_transaction field.
1217 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
1219 (tree_ssa_lim_initialize): Compute transaction bits.
1220 * tree.h (compute_transaction_bits): Protoize.
1221 * trans-mem.c (tm_region_init): Use the heap to store BB
1223 (compute_transaction_bits): New.
1225 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1227 * gcc.c (display_help): Document --help=common and sort entries
1230 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1232 * doc/install.texi: Document check-$LANG specific shortcuts
1234 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1237 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
1239 * config/arm/arm_neon.h: Regenerate.
1240 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
1241 (neon_vcgeu): New insn.
1242 (neon_vcgtu): Likewise.
1243 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
1244 (ops): Unsigned comparison intrinsics call a different
1247 2012-02-28 Richard Guenther <rguenther@suse.de>
1250 * config/i386/i386.c (ix86_expand_vector_set): Fix element
1251 ordering for the VEC_CONCAT for two element vectors for
1252 V2SFmode, V2SImode and V2DImode.
1254 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
1257 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
1258 detecting big-endian triplets.
1260 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
1262 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
1263 mode if there is no type information available.
1265 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
1267 PR tree-optimization/53207
1268 * doc/invoke.texi: Document as experimental and relying on graphite.
1270 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1272 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
1273 of initializer to changes from r184614.
1275 2012-02-28 Richard Guenther <rguenther@suse.de>
1277 PR tree-optimization/52395
1278 * tree-sra.c (build_ref_for_offset): Also look at the base
1279 TYPE_ALIGN when figuring out the alignment of the replacement.
1281 2012-02-28 Richard Guenther <rguenther@suse.de>
1283 PR tree-optimization/52402
1284 * ipa-prop.c (ipa_modify_call_arguments): Properly use
1285 mis-aligned types when creating the accesses at the call site.
1287 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1289 * config/avr/builtins.def: New file.
1290 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
1291 * config/avr/avr.c (enum avr_builtin_id): Use it.
1292 (avr_init_builtins): Use it. And use avr_bdesc.
1293 (bdesc_1arg): Remove.
1294 (bdesc_2arg): Remove.
1295 (bdesc_3arg): Remove.
1296 (struct avr_builtin_description): Add field n_args.
1297 (avr_bdesc): New static variable using builtins.def.
1298 (avr_expand_builtin): Use it.
1299 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
1300 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
1301 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
1303 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1306 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
1307 match only one single hard register with respective hard reg rtx.
1308 (movmemx_<mode>): Ditto.
1309 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
1310 insn anatomy of movmem[x]_<mode>.
1311 (avr_out_movmem): Same for printing assembler and operand usage.
1313 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1317 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
1318 address spaces located outside of device flash.
1320 * config/avr/avr.h (base_arch_s): Remove field n_segments.
1321 (mcu_type_s): Add field n_flash.
1322 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
1323 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
1324 (AVR_MCU): Add N_FLASH argument.
1325 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
1326 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
1327 macro __FLASH<n> if that address space makes sense for the device.
1328 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
1329 outside of target flash.
1330 (avr_asm_named_section): Ditto.
1331 (avr_asm_select_section): Ditto.
1332 (avr_addr_space_convert): Ditto.
1333 (avr_emit_movmemhi): Ditto.
1334 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
1335 address space is outside of device flash.
1336 (avr_insert_attributes): Ditto.
1337 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
1338 avr_current_arch->n_segments.
1340 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
1343 * config/i386/i386.md (*movabs<mode>_1): Enable only for
1345 (*movabs<mode>_2): Likewise.
1347 2012-02-27 Jakub Jelinek <jakub@redhat.com>
1350 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
1351 s_register_operand in the test instead of REG_P. Don't call
1352 gen_reg_rtx if it won't be used.
1354 PR tree-optimization/52376
1355 * ipa-split.c (split_function): Ignore CLOBBER stmts.
1357 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
1359 * ifcvt.c (noce_get_condition): Check condition variable is not
1360 small_register_classes_for_mode_p before accepting.
1362 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
1364 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1366 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1369 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1370 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1372 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1374 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
1376 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1378 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
1380 * config/sh/predicates.md: Remove blank lines.
1381 * config/sh/sh.c: Fix typos in comments.
1382 * config/sh/constraints.md: Likewise.
1383 * config/sh/sh.md: Remove blank lines.
1384 Fix typos in comments. Use ;; as comment characters.
1386 2012-02-26 Walter Lee <walt@tilera.com>
1388 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1389 (replace_mov_pcrel_step2): Ditto.
1391 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
1394 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1395 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
1396 and locs that reference values newer than the non-canonical value
1397 at hand. Return the canonical value as a worst case.
1398 (memrefs_conflict_p): Walk canonical value's locs.
1401 * cselib.c (preserve_only_constants): Rename to...
1402 (preserve_constants_and_equivs): ... this. Split out...
1403 (invariant_or_equiv_p): ... this. Preserve plus expressions
1404 of other preserved expressions too.
1405 (cselib_reset_table): Adjust.
1406 * var-tracking.c (reverse_op): Use canonical value to build
1409 2012-02-23 Kai Tietz <ktietz@redhat.com>
1411 * config/i386/i386.c (ix86_delegitimize_address): Handle
1412 UNSPEC_PCREL plus displacement.
1414 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
1417 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1418 to test for unusedness in st X addressing.
1420 2012-02-24 Richard Guenther <rguenther@suse.de>
1423 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1424 (is_gimple_reg_type): Move inline ...
1425 * gimple.h (is_gimple_reg_type): ... here.
1427 2012-02-24 Richard Guenther <rguenther@suse.de>
1430 * passes.c (execute_function_todo): When verifying SSA form
1431 verify gimple form first.
1432 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1434 2012-02-24 Richard Guenther <rguenther@suse.de>
1437 * fold-const.c (fold_addr_of_array_ref_difference): New function.
1438 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1440 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1442 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1444 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1446 * tree-phinodes.c (make_phi_node): Mark static.
1447 * tree-flow.h (make_phi_node): Remove extern decl.
1448 * doc/gimple.texi (make_phi_node): Remove documentation.
1450 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1452 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1453 * tree-ssa-sccvn.c (print_scc): Ditto.
1455 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1457 * doc/passes.texi (Full redundancy elimination): Fix typo.
1459 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1461 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1463 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
1466 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1468 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
1471 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1473 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
1475 * config/avr/avr.md (code_stdname): Add ior, xor.
1476 (xior): New code iterator.
1477 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1478 (*<code_stdname><mode>qi.byte1-3): Ditto.
1480 2012-02-23 Jakub Jelinek <jakub@redhat.com>
1482 PR tree-optimization/52019
1483 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1486 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1488 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1489 HAVE_INITFINI_ARRAY to work around namespace pollution in
1490 certain versions of newlib system headers.
1491 * config.in: Regenerate.
1492 * configure: Regenerate.
1493 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1494 instead of HAVE_INITFINI_ARRAY.
1496 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
1499 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1500 is not offsettable memory reference.
1502 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1505 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1506 setting avr_need_clear_bss_p for __gnu_lto* symbols.
1508 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1510 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1511 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1513 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1515 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1516 library on Solaris 8 even without TLS support.
1517 * configure: Regenerate.
1519 2012-02-22 Richard Guenther <rguenther@suse.de>
1522 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1523 for GIMPLE_DEBUG stmts.
1525 2012-02-22 Martin Jambor <mjambor@suse.cz>
1528 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1529 according to the base object.
1531 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1533 PR rtl-optimization/50063
1534 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1535 and 2 (8-bit SP) in operand 2.
1536 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1537 setup to use movhi_sp_r instead of vanilla move to write SP.
1538 Adjust REG_CFA notes to superseed unspec.
1539 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1541 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1542 known to be off) only with TARGET_NO_INTERRUPTS. Never use
1543 irq_state 1 (IRQ known to be on) here.
1545 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
1547 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1549 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1550 assign_hard_reg): Likewise.
1552 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1554 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1556 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1559 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1560 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1562 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1564 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1565 prototype from here to...
1566 * config/avr/avr.h: ...here.
1568 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
1571 * thumb2.md (thumb2_shiftsi3_short): Split register and
1572 immediate shifts. For register shifts tie operands 0 and 1.
1573 (peephole2 for above): Check that register-controlled shifts
1574 have suitably tied operands.
1576 2012-02-21 Quentin Neill <quentin.neill@amd.com>
1579 * config/i386/bdver1.md (bdver1_call, bdver1_push,
1580 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1581 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1582 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1583 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1584 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1585 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1586 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1587 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1588 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1589 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1590 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1591 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1592 bdver1_ssevector_avx256_unaligned_load,
1593 bdver1_ssevector_sse128_unaligned_load,
1594 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1595 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1596 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1597 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1598 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1599 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1600 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1601 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1602 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1603 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1604 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1605 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1606 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1607 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1608 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1609 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1610 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1611 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1612 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1613 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1614 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1615 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1616 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1617 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1618 bdver1_ssediv_double_load, bdver1_ssediv_double,
1619 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1620 Add "bdver2" attribute.
1622 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1624 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1625 default if possible and not specified otherwise.
1627 2012-02-21 Richard Guenther <rguenther@suse.de>
1630 * gimplify.c (create_tmp_from_val): Use the main variant type
1631 for the type of the temporary we create.
1633 2012-02-21 Richard Guenther <rguenther@suse.de>
1635 PR tree-optimization/52324
1636 * gimplify.c (gimplify_expr): When re-gimplifying expressions
1637 do not gimplify a MEM_REF address operand if it is already
1640 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1642 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1643 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1645 2012-02-21 Richard Guenther <rguenther@suse.de>
1647 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1648 nested_in_vect_loop.
1650 2012-02-21 Jakub Jelinek <jakub@redhat.com>
1652 PR tree-optimization/52318
1653 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1654 vdef also to non-pure/const call stmts in the sequence.
1656 2012-02-20 David S. Miller <davem@davemloft.net>
1658 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1659 don't use the "rd %pc" instruction on v9 for PIC register loads.
1661 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
1664 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1665 in a transaction safe function.
1667 2012-02-20 Kai Tietz <ktietz@redhat.com>
1670 * stor-layout.c (place_field): Handle desired_align for
1673 2012-02-20 Richard Guenther <rguenther@suse.de>
1675 PR tree-optimization/52298
1676 * tree-vect-stmts.c (vectorizable_store): Properly use
1677 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1679 (vectorizable_load): Likewise.
1680 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1681 Access DR_STEP after ensuring it is not NULL.
1683 2012-02-20 Jakub Jelinek <jakub@redhat.com>
1685 PR tree-optimization/52286
1686 * fold-const.c (fold_binary_loc): For (X & C1) | C2
1687 optimization use double_int_to_tree instead of build_int_cst_wide,
1688 rewrite to use double_int vars.
1690 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1693 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1695 Remove -e 0 from $gcc_cv_ld invocation.
1696 Only use __GLIBC_PREREQ if defined.
1697 Enable on Solaris since Solaris 8 patch.
1698 (gcc_SUN_LD_VERSION): New macro.
1699 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1700 gcc_SUN_LD_VERSION for version number format.
1701 * configure: Regenerate.
1702 * varasm.c (get_elf_initfini_array_priority_section): Set
1703 SECTION_NOTYPE for non-default priority.
1704 Use get_section instead of get_unnamed_section to emit
1705 .init_array/.fini_array with default priority.
1707 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1709 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1710 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
1711 (mips_start_unique_function, mips_output_mips16_rdhwr)
1712 (mips_code_end): New functions.
1713 (TARGET_ASM_CODE_END): Define.
1715 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1717 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1718 to stubs with non-sibling calls.
1720 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
1722 * doc/invoke.texi (-fira-* options): Copy-edit.
1723 (ira-* parameters): Copy-edit.
1725 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1727 * doc/invoke.texi: Minor copy-edits to bring into conformance with
1728 GCC coding conventions.
1730 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1732 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1733 when used as adjectives.
1735 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
1737 * doc/invoke.texi: Clean up "that"/"which" confusion.
1739 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
1741 * system.h: Poison SMALL_REGISTER_CLASSES
1742 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1743 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1745 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1747 PR tree-optimization/52285
1748 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1749 when deciding if a call is a tail call or tail recursion.
1751 2012-02-16 Kai Tietz <ktietz@redhat.com>
1753 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1754 interger-constant displacement for UNSPEC_PCREL.
1756 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1758 PR rtl-optimization/52208
1759 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1760 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1762 PR tree-optimization/52255
1763 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1764 loop->header has virtual PHI, but exit_e->dest doesn't, add
1765 virtual PHI to exit_e->dest and adjust all uses after the loop.
1768 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1769 children with clone_tree_hash, not after it.
1771 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
1773 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1774 extended identifiers.
1776 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1779 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1780 a same_body_alias, also test whether e->callee isn't a former
1781 or current clone of the decl this is a same body alias of.
1783 PR translation/52264
1784 * cgraphunit.c (verify_cgraph_node): Fix a typo.
1786 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
1788 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1790 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
1793 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1794 force_reg instead of copy_to_reg for better optimization. Force
1795 non-register or memory operands into a register.
1797 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
1799 * extend.texi: Reserve upper bits of memory model for future use.
1801 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
1802 Anatoly Sokolov <aesok@post.ru>
1803 Eric Weddington <eric.weddington@atmel.com>
1806 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1807 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1808 Rewrite initializers for .macro.
1809 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1810 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1811 atxmega32d4, atxmega32x1.
1812 avrxmega4: atxmega64a3, atxmega64d3.
1813 avrxmega5: atxmega64a1, atxmega64a1u.
1814 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1815 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1816 avrxmega7: atxmega128a1, atxmega128a1u.
1817 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1818 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1819 (struct base_arch_s): Rename reserved to xmega_p.
1820 Rename reserved2 to have_rampd.
1821 (AVR_XMEGA): New define.
1822 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1823 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1824 * config/avr/predicates.md (io_address_operand): Take into
1826 (low_io_address_operand): Ditto.
1827 (high_io_address_operand): Ditto.
1828 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1829 (enabled, movhi_sp_r): Use them.
1830 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1831 cpp_define_formatted to built-in define __AVR_ARCH__.
1832 (__AVR_XMEGA__): New built-in define.
1833 (__AVR_HAVE_RAMPD__): New built-in define.
1834 (__AVR_HAVE_RAMPX__): New built-in define.
1835 (__AVR_HAVE_RAMPY__): New built-in define.
1836 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1838 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1839 (avr_option_override): Initialize them.
1840 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1841 (avr_init_expanders): Initialize them. No more block several calls.
1842 (emit_push_sfr): New static function.
1843 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1845 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1846 (avr_print_operand): Print addreeses as symbols for
1847 RAMPX, RAMPY, RAMPD, CCP.
1848 (output_movhi): Handle AVR_XMEGA when writing to SP.
1849 (avr_out_movhi_mr_r_xmega): New static function.
1850 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1851 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
1852 __RAMPD__, __CCP__ as needed.
1854 * config/avr/multilib.h: Regenerate.
1855 * config/avr/t-multilib: Regenerate.
1856 * config/avr/avr-tables.opt: Regenerate.
1858 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
1860 PR tree-optimization/50561
1861 * graphite-flattening.c (lst_project_loop): Do not
1862 remove old scattering dimensions after flattening.
1863 (lst_do_flatten): Likewise.
1865 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
1867 * doc/extend.texi (AVR Built-in Functions): Remove doc for
1868 __builtin_avr_map8, __builtin_avr_map16.
1869 Document __builtin_avr_insert_bits.
1871 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1872 (insert_bits): New insn.
1873 (adjust_len.map_bits): Rename to insert_bits.
1874 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1875 * avr-protos.h (avr_out_map_bits): Remove.
1876 (avr_out_insert_bits, avr_has_nibble_0xf): New.
1877 * config/avr/constraints.md (Cxf,C0f): New.
1878 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1879 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1880 New built-in define __BUILTIN_AVR_INSERT_BITS.
1881 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1882 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1883 (avr_move_bits): Rewrite.
1884 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1886 (avr_map_op_t): New typedef.
1887 (avr_map_op): New static variable.
1888 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1889 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1890 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1891 (bdesc_3arg, avr_expand_triop_builtin): New.
1892 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1893 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1894 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1895 (avr_map_equal_p, avr_map_sig_p): Remove.
1896 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1897 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1898 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1899 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1900 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1901 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1903 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1905 * config/c6x/c6x.md (reserve_cycles): New attribute.
1906 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1907 don't reserve functional units after the branch occurs.
1909 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
1912 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1913 functions into non-tm_pure functions.
1915 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
1918 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1919 (iterative_hash_canonical_type): Likewise.
1920 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1923 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1925 * haifa-sched.c (prune_ready_list): Ensure that if there is a
1926 sched-group insn, it either remains alone or the entire list is pruned.
1928 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1930 * doc/install.texi (Prerequisites): Fix grammar.
1931 (Configuration): Likewise.
1933 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1935 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1936 MPC as part of GCC before describing configuring with --with-gmp etc.
1937 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1938 sources are present.
1940 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1943 * dwarf2out.c (clone_tree_hash): New function.
1944 (copy_decls_walk): Use it instead of clone_tree.
1946 2012-02-14 Richard Guenther <rguenther@suse.de>
1948 PR tree-optimization/52244
1949 PR tree-optimization/51528
1950 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1951 replacements for integral types.
1953 2012-02-14 Walter Lee <walt@tilera.com>
1955 * config.gcc: Handle tilegx and tilepro.
1956 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1958 Add HAVE_AS_TLS check for tilegx and tilepro.
1959 * configure: Regenerate.
1960 * doc/contrib.texi: Add Mat Hostetter and self.
1961 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1962 Document instruction intrinsics and network accessing intrinsics.
1963 (TILEPro Built-in Functions): New node. Document instruction
1964 intrinsics and network accessing intrinsics.
1965 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1966 (Specific, tilepro-*-linux*): Likewise.
1967 * doc/invoke.texi (TILE-Gx Options): New section.
1968 (TILEPro Options): New section.
1969 * doc/md.texi (TILE-Gx): New section.
1970 (TILEPro): New section.
1971 * common/config/tilegx/tilegx-common.c: New file.
1972 * common/config/tilepro/tilepro-common.c: New file.
1973 * config/tilegx/constraints.md: New file.
1974 * config/tilegx/linux.h: New file.
1975 * config/tilegx/mul-tables.c: New file.
1976 * config/tilegx/predicates.md: New file.
1977 * config/tilegx/sync.md: New file.
1978 * config/tilegx/t-tilegx: New file.
1979 * config/tilegx/tilegx-builtins.h: New file.
1980 * config/tilegx/tilegx-c.c: New file.
1981 * config/tilegx/tilegx-generic.md: New file.
1982 * config/tilegx/tilegx-modes.def: New file.
1983 * config/tilegx/tilegx-multiply.h: New file.
1984 * config/tilegx/tilegx-protos.h: New file.
1985 * config/tilegx/tilegx.c: New file.
1986 * config/tilegx/tilegx.h: New file.
1987 * config/tilegx/tilegx.md: New file.
1988 * config/tilegx/tilegx.opt: New file.
1989 * config/tilepro/constraints.md: New file.
1990 * config/tilepro/gen-mul-tables.cc: New file.
1991 * config/tilepro/linux.h: New file.
1992 * config/tilepro/mul-tables.c: New file.
1993 * config/tilepro/predicates.md: New file.
1994 * config/tilepro/t-tilepro: New file.
1995 * config/tilepro/tilepro-builtins.h: New file.
1996 * config/tilepro/tilepro-c.c: New file.
1997 * config/tilepro/tilepro-generic.md: New file.
1998 * config/tilepro/tilepro-modes.def: New file.
1999 * config/tilepro/tilepro-multiply.h: New file.
2000 * config/tilepro/tilepro-protos.h: New file.
2001 * config/tilepro/tilepro.c: New file.
2002 * config/tilepro/tilepro.h: New file.
2003 * config/tilepro/tilepro.md: New file.
2004 * config/tilepro/tilepro.opt: New file.
2006 2012-02-14 Jakub Jelinek <jakub@redhat.com>
2008 PR tree-optimization/52210
2009 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
2010 vect_model_simple_cost with two entry vect_def_type array instead
2011 of an address of dt.
2013 2012-02-14 Richard Guenther <rguenther@suse.de>
2016 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2017 Do not stream DECL_QUALIFIER.
2018 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2019 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
2020 (find_decls_types_r): Do not walk DECL_QUALIFIER.
2022 2012-02-14 Jakub Jelinek <jakub@redhat.com>
2025 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
2028 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2031 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
2032 * cselib.c (cselib_subst_to_values_from_insn): New function.
2033 * sched-deps.c (add_insn_mem_dependence,
2034 sched_analyze_1, sched_analyze_2): Use it.
2036 2012-02-13 Jan Hubicka <jh@suse.cz>
2039 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
2041 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
2043 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2044 (GTM_SELF_SPECS): Define if not already defined.
2045 (driver_self_specs): Add GTM_SELF_SPECS.
2046 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2047 (GTM_SELF_SPECS): Define.
2048 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2049 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2051 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2053 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2056 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
2059 * omp-low.c (expand_omp_for): If a static schedule without chunk size
2060 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
2062 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
2065 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
2067 2012-02-13 Richard Guenther <rguenther@suse.de>
2069 PR translation/52211
2070 * passes.c (enable_disable_pass): Fix typo.
2072 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2075 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
2076 XOR for reduce_bit_field if type is unsigned.
2078 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
2080 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
2081 disallow changes from SFmode to mode with different size in FP regs.
2083 2012-02-12 Robert Millan <rmh@gnu.org>
2084 Gerald Pfeifer <gerald@pfeifer.com>
2086 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
2089 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
2091 PR rtl-optimization/52175
2092 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
2093 to frame-related instructions.
2095 2012-02-10 Jason Merrill <jason@redhat.com>
2098 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2099 (demangle_new_symbols): Fill it.
2100 (scan_linker_output): Walk it.
2101 (start_tweaking): Split out from scan_linker_output.
2102 (maybe_tweak): Update sym->chosen.
2103 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
2105 2012-02-11 Jakub Jelinek <jakub@redhat.com>
2108 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
2110 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
2112 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2113 having the same mode as previous compare.
2115 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
2117 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
2118 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
2119 (nonlocal_goto_internal): Likewise.
2120 (nonlocal_goto): Emit a use and an indirect jump directly.
2122 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
2125 * doc/extend.texi : Update comments for __atomic_compare_exchange and
2126 __atomic_{is,always}_lock_free.
2128 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
2131 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
2132 negative constant address for x32.
2134 2012-02-10 Richard Henderson <rth@redhat.com>
2136 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
2137 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
2138 for GIMPLE_TRANSACTION. Tidy if's into a switch.
2140 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2141 Ira Rosen <irar@il.ibm.com>
2143 PR tree-optimization/50031
2144 * targhooks.c (default_builtin_vectorization_cost): Handle
2146 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
2147 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
2148 all types of reduction and pattern statements.
2149 (vect_estimate_min_profitable_iters): Likewise.
2150 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
2151 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
2152 for explicit realigns.
2153 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
2154 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
2156 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
2157 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
2158 vec_perm for VSX and handle vec_promote_demote.
2160 2012-02-10 Jakub Jelinek <jakub@redhat.com>
2163 * builtins.c (fold_builtin_atomic_always_lock_free,
2164 expand_builtin_atomic_always_lock_free,
2165 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
2166 Return and/or test boolean_true_node/boolean_false_node instead of
2167 integer_one_node/integer_zero_node.
2169 2012-02-10 Jan Hubicka <jh@suse.cz>
2172 * predict.c (predict_paths_for_bb): Prevent looping.
2173 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
2175 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
2177 * config/arm/arm.c (output_move_double): In one case properly
2178 count number of instructions that will be emitted.
2180 2012-02-10 Richard Guenther <rguenther@suse.de>
2182 PR translation/52193
2183 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
2185 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
2188 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
2190 2012-02-09 Jakub Jelinek <jakub@redhat.com>
2193 * var-tracking.c (emit_note_insn_var_location): If
2194 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
2195 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
2196 non-NOTE_DURING_CALL_P insn.
2198 2012-02-09 Bin Cheng <bin.cheng@arm.com>
2201 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
2203 2012-02-08 Magnus Granberg <zorry@gentoo.org>
2206 * gcc.c (switch_matches) Support switches with separated form,
2209 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
2211 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
2213 (RAMPZ_ADDR): Ditto.
2214 * config/avr/avr.c (avr_addr_t): New typedef.
2215 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
2216 (avr_init_expanders): Initialize it.
2217 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
2219 (expand_epilogue): Ditto.
2220 (avr_print_operand): Ditto.
2221 (avr_file_start): Ditto.
2222 (avr_emit_movmemhi): Ditto.
2224 2012-02-08 Richard Guenther <rguenther@suse.de>
2226 PR tree-optimization/46886
2227 * tree-flow.h (do_while_loop_p): Declare.
2228 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
2229 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
2231 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
2233 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
2234 always succeed for integers larger than a native word.
2236 2012-02-08 Richard Guenther <rguenther@suse.de>
2238 PR rtl-optimization/52170
2239 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
2240 properly handle integer vector modes.
2242 2012-02-08 Jakub Jelinek <jakub@redhat.com>
2244 PR gcov-profile/52150
2245 * coverage.c: Include target.h.
2246 (build_var): Call targetm.strip_name_encoding on the assembler name.
2247 Change one _ into . or $ if the target allows it.
2248 * Makefile.in (coverage.o): Depend on $(TARGET_H).
2250 PR rtl-optimization/52139
2251 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
2252 is a BARRIER after emit_insn_after_noloc, move BB_END
2253 to the last non-BARRIER insn before it.
2255 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
2258 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
2259 (mips_gimplify_va_arg_expr): Call it instead of
2260 std_gimplify_va_arg_expr.
2262 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
2264 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
2265 message for -mno-pointers-to-nested-function.
2267 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
2270 * expr.c (get_inner_reference): If there is an offset, add a negative
2271 bit position to it (if any).
2273 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2275 PR rtl-optimization/52060
2276 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
2277 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
2278 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
2279 and/or i0src_copy2 when needed.
2281 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2283 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
2284 or LTOPLUGINSONAME if have_c.
2286 * config/freebsd-spec.h: Add comment about what macros can be defined
2288 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
2289 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
2292 2012-02-07 Richard Guenther <rguenther@suse.de>
2294 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
2295 newline in -alias dumps.
2297 2012-02-07 Kai Tietz <ktietz@redhat.com>
2298 Dave Korn <dave.korn.cygwin@gmail.com>
2301 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2302 Take care that typinfo gets dllexport-attribute.
2304 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2307 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
2308 if modifier < EXPAND_SUM call force_operand on the result.
2310 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
2312 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
2313 adding __forwarder_dst__ prefix if a forwarder_section attribute is
2315 (epiphany_function_type): Replace types for specific interrupts with
2316 EPIPHANY_FUNCTION_INTERRUPT.
2317 (EPIPHANY_INTERRUPT_P): Update.
2318 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
2319 New static function.
2320 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
2321 <disinterrupt>: Affects type identity.
2322 (epiphany_handle_interrupt_attribute): Handle variable number of
2324 (epiphany_compute_function_type): Update for new
2325 epiphany_function_type definition.
2326 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
2327 handlers with a longcall forwarder.
2328 (epiphany_start_function): Handle multiple interrupt arguments and/or
2329 forwarder_section attribute.
2331 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
2334 2012-02-07 Alan Modra <amodra@gmail.com>
2337 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
2340 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2342 PR tree-optimization/50969
2343 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
2344 use vec_perm rather than vector_stmt.
2345 (vect_model_load_cost): Likewise.
2346 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
2347 vec_perm to be the same as other vector statements.
2348 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
2349 cost of vec_perm for TARGET_VSX.
2351 2012-02-06 Richard Guenther <rguenther@suse.de>
2353 PR tree-optimization/52115
2354 * tree-sra.c (access_has_replacements_p): New function.
2355 (sra_modify_assign): Use it to decide whether a use is uninitialized.
2357 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
2360 * trans-mem.c (expand_call_tm): Add an assertion.
2361 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2364 2012-02-06 Richard Guenther <rguenther@suse.de>
2366 PR tree-optimization/50955
2367 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2368 raise cost of expressions that replace an address with an
2369 expression based on a different pointer.
2371 2012-02-06 Jakub Jelinek <jakub@redhat.com>
2374 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2375 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2377 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
2380 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2381 -Weffc++ and specify guidelines come from second edition.
2383 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
2385 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2386 (sibcall_value_multiple_internal, call_split, call_internal_direct)
2387 (call_direct_split, call_value_split, call_value_internal_direct)
2388 (call_value_direct_split, call_value_multiple_split): Use jal and
2389 jal_macro attributes.
2391 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
2393 * reload1.c (reload_regs_reach_end_p): Replace with...
2394 (reload_reg_rtx_reaches_end_p): ...this function.
2395 (new_spill_reg_store): Update commentary.
2396 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2397 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2398 before setting new_spill_reg_store.
2399 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2400 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2401 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2402 for non-spill reload registers.
2404 2012-02-05 Ira Rosen <irar@il.ibm.com>
2406 PR tree-optimization/52091
2407 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2408 (vect_is_simple_use_1): Likewise.
2409 * tree-vect-loop.c (vectorizable_reduction): Update calls
2410 to vect_is_simple_use_1 and vect_is_simple_use.
2411 (vectorizable_live_operation): Likewise.
2412 * tree-vect-patterns.c (widened_name_p,
2413 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2414 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2415 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2416 vectorizable_shift,vectorizable_operation, vectorizable_store,
2417 vectorizable_load): Likewise.
2418 (vect_is_simple_cond): Add an argument, pass it to
2419 vect_is_simple_use_1.
2420 (vectorizable_condition): Update calls to vect_is_simple_cond,
2422 (vect_is_simple_use): Add an argument, the statement in which
2423 OPERAND is used. Check that if OPERAND's def stmt is a double
2424 reduction phi node, the use is a phi node too.
2425 (vect_is_simple_use_1): Add an argument, pass it to
2427 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2428 to vect_is_simple_use.
2430 2012-02-04 Jakub Jelinek <jakub@redhat.com>
2432 PR rtl-optimization/52095
2433 * modulo-sched.c (dump_insn_locator): New function.
2434 (loop_canon_p, sms_schedule): Use it.
2436 PR rtl-optimization/52113
2437 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2438 even for decomposable shift/zext insns.
2440 2012-02-03 Jakub Jelinek <jakub@redhat.com>
2441 Zdenek Dvorak <ook@ucw.cz>
2443 PR rtl-optimization/52092
2444 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2445 on get_iv_value result.
2447 2012-02-02 Andrew Pinski <apinski@cavium.com>
2451 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2453 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2456 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2458 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
2460 PR rtl-optimization/49800
2461 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2462 (sched_finish): Call regstat_free_n_sets_and_refs.
2464 2012-02-02 Jia Liu <proljc@gmail.com>
2466 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2469 2012-02-02 Jan Hubicka <jh@suse.cz>
2470 Tom de Vries <tom@codesourcery.com>
2473 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2474 * varpool.c (varpool_analyze_pending_decls): Likewise.
2476 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2477 Jayant R Sonar <jayant.sonar@kpitcummins.com>
2479 * config.gcc: Add cr16-* support.
2481 * doc/extend.texi: Document cr16 extensions.
2482 * doc/install.texi: Document cr16 install.
2483 * doc/invoke.texi: Document cr16 options.
2484 * doc/md.texi: Document cr16 constraints.
2486 * common/config/cr16/cr16-common.c: New file.
2487 * config/cr16/cr16.c: New file.
2488 * config/cr16/cr16.h: New file.
2489 * config/cr16/cr16.md: New file.
2490 * config/cr16/cr16.opt: New file.
2491 * config/cr16/cr16-protos.h: New file.
2492 * config/cr16/predicates.md: New file.
2493 * config/cr16/constraints.md: New file.
2494 * config/cr16/t-cr16: New file.
2496 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2499 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2500 that operands[2] is either immediate, or q_regs_operand.
2502 PR tree-optimization/52073
2503 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2504 a pattern stmt for pattern uses, ignore uses outside of the loop.
2506 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2508 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2509 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2510 (OUT_AS1, OUT_AS2): Remove.
2512 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2514 PR rtl-optimization/51374
2515 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2516 to cross other volatile_refs_p insns.
2518 2012-02-01 Richard Guenther <rguenther@suse.de>
2520 * doc/invoke.texi (fno-inline): Clarify documentation.
2521 (finline-small-functions): Likewise.
2522 (finline-functions): Likewise.
2523 * common.opt (finline): Adjust comment and documentation.
2524 (finline-small-functions): Clarify documentation.
2525 (finline-functions): Likewise.
2526 (finline-functions-called-once): Likewise.
2528 2012-02-01 Tristan Gingold <gingold@adacore.com>
2530 * c-typeck.c (composite_type): Keep mode for pointers.
2532 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
2534 * function.h (regno_reg_rtx): Adjust comment.
2535 * reginfo.c (init_reg_modes_target): Only use the previous mode
2536 if it fits within one register. Remove MIPS comment.
2538 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2541 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2543 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2545 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2546 to srak instruction.
2548 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2550 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2552 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2557 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2559 2012-01-31 Richard Guenther <rguenther@suse.de>
2561 PR tree-optimization/51528
2562 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2565 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2570 * ree.c (add_removable_extension): Change def_map argument
2571 to unsigned *, store in def_map 1 + offset into *insn_list vector
2572 instead of pointers into the vector.
2573 (find_removable_extensions): Adjust caller.
2575 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2577 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2578 Transform all "* quoted-c-code" to { c-code }.
2579 Remove redundant test for "optimize" in combine patterns.
2580 Move (include "avr-dimode.md") to end of file.
2582 2012-01-30 Bin Cheng <bin.cheng@arm.com>
2585 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2586 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2588 2012-01-30 Richard Guenther <rguenther@suse.de>
2590 PR tree-optimization/52028
2591 * tree-loop-distribution.c (ldist_gen): Properly update
2594 2012-01-30 Jakub Jelinek <jakub@redhat.com>
2597 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2598 set_cur_line_info_table if not emitting debug info.
2600 PR tree-optimization/52046
2601 * tree-vect-patterns.c (check_bool_pattern): Give up if
2602 a comparison could throw.
2605 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2607 2012-01-30 Richard Guenther <rguenther@suse.de>
2609 PR tree-optimization/52045
2610 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2611 SSA form if cfgcleanup did anything.
2613 2012-01-30 Richard Guenther <rguenther@suse.de>
2615 PR tree-optimization/52045
2616 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2617 before computing final todo.
2619 2012-01-30 Richard Guenther <rguenther@suse.de>
2621 PR tree-optimization/51528
2622 * tree-sra.c (sra_modify_assign): Re-factor in preparation
2625 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
2627 * df-problems.c (df_kill_notes): Check that the use refers
2628 to the note under examination.
2630 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
2633 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2634 parameter and use short-lived pseudos.
2635 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2636 (sparc_expand_vector_init): Const-ify local variables and adjust
2637 calls to above functions.
2639 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2641 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2643 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
2645 * doc/invoke.texi: Make usage of "compile time" and
2646 "run time"/"runtime" consistent throughout the file.
2648 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
2650 * config/alpha/alpha.c (alpha_option_override): Default to
2651 full IEEE compliance mode for Go language.
2653 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
2655 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2656 (LINK_SSP_SPEC): Define.
2658 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2661 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2664 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
2666 * doc/invoke.texi: Correct hyphenation of "floating point",
2667 "double precision", and related terminology throughout the file.
2669 2012-01-28 Jakub Jelinek <jakub@redhat.com>
2672 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2673 arm_general_register_operand predicate for operand 2 instead of
2676 2012-01-27 Ian Lance Taylor <iant@google.com>
2679 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2680 * builtins.c (expand_builtin_init_trampoline): Add onstack
2681 parameter. Change caller.
2682 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2683 * tree.c (build_common_builtin_nodes): Declare
2684 __builtin_init_heap_trampoline.
2686 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
2688 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2689 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2690 * config/avr/avr.c: Ditto.
2691 (avr_regnames): Remove because unused.
2692 * config/avr/avr.md (*cpse.ne): New peephole.
2693 (*cpse.eq): New peephole from former cpse peepholes.
2695 2012-01-27 Michael Eager <eager@eagercon.com>
2697 * config/microblaze.c (microblaze_emit_compare): Correct
2698 test after pcmp instruction.
2700 2012-01-27 Richard Guenther <rguenther@suse.de>
2702 PR tree-optimization/52020
2703 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2705 2012-01-27 Richard Guenther <rguenther@suse.de>
2707 * ipa-pure-const.c (check_stmt): Clobbers do not make a
2708 function non-const/pure.
2710 2012-01-27 Richard Guenther <rguenther@suse.de>
2712 PR tree-optimization/50444
2713 * tree-sra.c (build_ref_for_offset): Properly adjust the
2714 MEM_REF type for unaligned accesses.
2716 2012-01-27 Richard Guenther <rguenther@suse.de>
2718 PR tree-optimization/50444
2719 * expr.c (mem_ref_refers_to_non_mem_p): New function.
2720 (expand_assignment): Use it. Properly handle misaligned
2721 bases when expanding stores to component references.
2722 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2725 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
2728 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2729 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2730 * tree-data-ref.c (find_data_references_in_loop): Make static.
2731 (compute_all_dependences): Change return type to bool. Bail out
2732 for too many datarefs in a loop. Move the hunk resetting the data
2733 dependences vector from ...
2734 (compute_data_dependences_for_loop): ... here. Account for
2735 compute_all_dependences returning false.
2736 (compute_data_dependences_for_bb): Likewise.
2737 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2738 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2740 2012-01-27 Richard Guenther <rguenther@suse.de>
2743 * expr.c (store_field): Use the alias-set of the scratch memory
2746 2012-01-27 Tom de Vries <tom@codesourcery.com>
2748 PR tree-optimization/51990
2749 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2751 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2753 2012-01-27 Jakub Jelinek <jakub@redhat.com>
2756 * var-tracking.c (reverse_op): Don't add any reverse operation
2757 if V already has any constant locations.
2759 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2761 * doc/invoke.texi: Correct usage of "command line" (noun)
2762 vs "command-line" (adjective) throughout.
2764 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2766 * doc/invoke.texi (Language Independent Options): Move
2767 -Wcoverage-mismatch blurb from here....
2768 (Warning Options): ...to here.
2770 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
2772 * config/rs6000/rs6000.c (rs6000_option_override_internal):
2773 Set rs6000_always_hint to false for 476.
2775 2012-01-27 Matthias Klose <doko@ubuntu.com>
2777 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2779 * incpath.c (add_standard_paths): Likewise.
2781 2012-01-27 Richard Henderson <rth@redhat.com>
2783 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2784 * config/m68k/sync.md (atomic_test_and_set): Rename from
2785 sync_test_and_setqi and adjust the operands.
2786 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2787 and unconditionally enable.
2789 2012-01-27 Richard Henderson <rth@redhat.com>
2791 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2792 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2793 (ldstub): Rename from ldstubqi.
2794 (ldstub<I24MODE>): Remove.
2796 2012-01-27 Richard Henderson <rth@redhat.com>
2798 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2799 * c-cppbuiltin.c (cpp_atomic_builtins): Define
2800 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2801 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2802 * doc/tm.texi: Rebuild.
2804 2012-01-27 Richard Henderson <rth@redhat.com>
2806 * optabs.c (gen_atomic_test_and_set): Remove default.
2807 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2809 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2811 PR rtl-optimization/51978
2812 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2813 (combine_reaching_defs): Likewise.
2814 (struct re_info): Remove.
2815 (add_removable_extension): Remove x and data arguments,
2816 add insn, insn_list and def_map. Use the arguments directly
2817 instead of using struct re_info.
2818 (find_removable_extensions): Don't call add_removable_extension
2819 through note_stores, instead just call it with single_set
2821 (find_and_remove_re): Pass curr_cand->expr instead of
2822 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2824 2012-01-26 Michael Matz <matz@suse.de>
2826 PR tree-optimization/46590
2827 * cfgexpand.c: Revert last change (r183305).
2828 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2830 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2831 checking for emptiness.
2833 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2836 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2837 non-addressable non-BLKmode base correctly.
2839 2012-01-26 Michael Matz <matz@suse.de>
2841 PR tree-optimization/48794
2842 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2843 regions referenced from RESX/EH_DISPATCH.
2845 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2847 * config/s390/s390.h: Make BRANCH_COST an option.
2848 * config/s390/s390.opt: New option -mbranch-cost.
2850 2012-01-26 Richard Henderson <rth@redhat.com>
2852 Revert 2012-01-24 change:
2853 * trans-mem.c (requires_barrier): Do not instrument thread local
2854 variables and emit save/restore for them.
2856 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2859 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2862 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
2864 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2867 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
2870 Rename __pgm to __flash.
2871 Rename __pgm1 to __flash1.
2872 Rename __pgm2 to __flash2.
2873 Rename __pgm3 to __flash3.
2874 Rename __pgm4 to __flash4.
2875 Rename __pgm5 to __flash5.
2876 Rename __pgmx to __memx.
2877 * doc/extend.texi (AVR Named Address Spaces)
2878 Rename address space names as indicated above.
2879 * config/avr/avr.c (avr_addrspace): Ditto.
2881 * config/avr/avr-protos.h
2882 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2883 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2884 * config/avr/predicates.md: Ditto.
2885 * config/avr/avr.c Ditto, and
2886 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2887 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2889 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2890 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2891 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2892 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2893 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2894 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2895 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2896 * config/avr/avr.c: Ditto.
2897 * config/avr/avr.md: Ditto.
2899 2012-01-25 Jason Merrill <jason@redhat.com>
2902 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2904 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2906 PR tree-optimization/51987
2907 * tree-data-ref.c (get_references_in_stmt): Handle references in
2908 non-volatile GIMPLE_ASM.
2910 2012-01-25 Richard Guenther <rguenther@suse.de>
2912 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2913 bases are dereferenced.
2915 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2917 PR rtl-optimization/48374
2918 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2920 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2922 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2923 compute_data_dependences_for_loop returns false.
2924 * tree-parloops.c (loop_parallel_p): Likewise.
2926 2012-01-25 Richard Guenther <rguenther@suse.de>
2928 * tree.h (get_pointer_alignment_1): Declare.
2929 * builtins.c (get_pointer_alignment_1): New function.
2930 (get_pointer_alignment): Use it.
2932 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2934 PR rtl-optimization/48308
2935 * combine.c (enum undo_kind): Add UNDO_LINKS.
2936 (struct undo): Add member l to other_contents and where.
2937 (do_SUBST_LINK): New.
2939 (try_combine): Handle LOG_LINKS for the dummy i1 case.
2940 (undo_all): Handle UNDO_LINKS.
2942 2012-01-25 Richard Henderson <rth@redhat.com>
2944 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2947 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2949 * optabs.c (gen_atomic_test_and_set): Use each argument.
2951 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2953 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2954 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2955 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2956 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2957 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2958 TARGET_PAIRED_SINGLE_FLOAT.
2960 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2962 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2963 (in_struct, return_val): Remove MEM documentation.
2964 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2965 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2966 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2968 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2969 * cfgexpand.c (add_alias_set_conflicts): Likewise.
2970 * expr.c (store_field): Likewise.
2971 * function.c (assign_stack_temp_for_type): Likewise.
2972 * ifcvt.c (noce_try_cmove_arith): Likewise.
2973 * reload1.c (reload): Likewise.
2974 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2975 (alpha_set_memflags): Likewise.
2976 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2978 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2980 * rtl.h (true_dependence, canon_true_dependence): Remove varies
2982 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2983 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2984 (true_dependence_1, true_dependence, canon_true_dependence): Remove
2986 * cselib.c (cselib_rtx_varies_p): Delete.
2987 (cselib_invalidate_mem): Update call to canon_true_dependence.
2988 * dse.c (record_store, check_mem_read_rtx): Likewise.
2989 (scan_reads_nospill): Likewise.
2990 * cse.c (check_dependence): Likewise.
2991 (cse_rtx_varies_p): Delete.
2992 * expr.c (safe_from_p): Update call to true_dependence.
2993 * ira.c (validate_equiv_mem_from_store): Likewise.
2994 (memref_referenced_p): Likewise.
2995 * postreload-gcse.c (find_mem_conflicts): Likewise.
2996 * sched-deps.c (sched_analyze_2): Likewise.
2997 * store-motion.c (load_kills_store): Likewise.
2998 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2999 * gcse.c (mems_conflict_for_gcse_p): Likewise.
3000 (compute_transp): Update call to canon_true_dependence.
3002 2012-01-25 Richard Henderson <rth@redhat.com>
3004 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
3005 (maybe_emit_atomic_test_and_set): New.
3006 (expand_sync_lock_test_and_set): Use it.
3007 (expand_atomic_test_and_set): Likewise.
3008 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
3009 the implementation; clarify implementation defined details.
3010 * doc/md.texi (atomic_test_and_set): Document.
3012 2012-01-25 Richard Henderson <rth@redhat.com>
3014 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
3016 2012-01-25 Richard Henderson <rth@redhat.com>
3019 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
3020 to effect no-op split.
3022 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
3025 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
3026 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
3027 (BT_FN_VOID_PTR_INT_SIZE): New.
3028 (BT_FN_UINT_UINT_VAR): Remove.
3029 (BT_FN_UINT32_UINT32_VAR): New.
3030 (BT_FN_DOUBLE_VPTR): Remove.
3031 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
3033 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
3034 (_ITM_changeTransactionMode): Same.
3035 (_ITM_memmoveRtWt): Change return type to void.
3036 (_ITM_memcpyRtWt): Same.
3037 (_ITM_memsetW): Same.
3038 (_ITM_RaRD): Change types to double.
3043 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
3045 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
3046 Patrick Marlier <patrick.marlier@gmail.com>
3048 * trans-mem.c (requires_barrier): Do not instrument thread local
3049 variables and emit save/restore for them.
3051 2012-01-24 Jason Merrill <jason@redhat.com>
3054 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
3055 output static aliases.
3057 2012-01-24 Jakub Jelinek <jakub@redhat.com>
3060 * common.opt (-pie, -shared, pie, shared): Change from Common to
3062 * gcc.c (display_help): Display help for -pie and -shared.
3064 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
3067 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
3068 Remove note on size/offset limitation.
3069 (AVR Variable Attributes): Add example how to read data located
3070 with progmem. Refer to named address spaces.
3071 * doc/invoke.texi (AVR Options): Fix typo.
3073 2012-01-24 Richard Guenther <rguenther@suse.de>
3075 Forward-port to trunk
3076 2010-09-21 Jakub Jelinek <jakub@redhat.com>
3079 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
3080 op0 isn't sufficiently aligned and there is movmisalignM
3081 insn for mode, use it to load op0 into a temporary register.
3083 2012-01-24 Jakub Jelinek <jakub@redhat.com>
3086 * target.def (const_not_ok_for_debug_p): New hook.
3087 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
3089 * doc/tm.texi: Regenerated.
3090 * dwarf2out.c (const_ok_for_output_1): If
3091 targetm.const_not_ok_for_debug_p returns true, fail.
3092 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
3094 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
3096 2012-01-23 Kai Tietz <ktietz@redhat.com>
3099 * config/i386/predicates.md (symbolic_operand): Allow
3100 UNSPEC_PCREL as PIC expression for lea.
3101 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
3102 * config/i386/i386.c (ix86_delegitimize_address): Handle
3103 UNSPEC_PCREL for none-MEM, too.
3105 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
3107 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
3108 (ipa_tm_create_version_alias): Same.
3110 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
3113 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
3114 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
3116 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
3117 Patrick Marlier <patrick.marlier@gmail.com>
3118 Iain Sandoe <developer@sandoe-acoustics.co.uk>
3121 * lto-wrapper.c (run_gcc): Pass the LTO section name to
3122 simple_object_start_read.
3124 2012-01-23 Richard Guenther <rguenther@suse.de>
3127 PR tree-optimization/51895
3128 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
3129 parameter decomposition into BLKmode components.
3131 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
3133 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
3134 fake variables for restrict-qualified pointers whose pointed-to type
3135 contains a placeholder.
3137 2012-01-23 Richard Guenther <rguenther@suse.de>
3139 PR tree-optimization/51949
3140 * ipa-split.c (execute_split_functions): Do not split malloc functions.
3142 2012-01-23 Jakub Jelinek <jakub@redhat.com>
3144 PR rtl-optimization/51933
3145 * ree.c (transform_ifelse): Return true right away if dstreg is
3146 already wider or equal to cand->mode.
3147 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
3148 (make_defs_and_copies_lists): Remove defs_list and copies_list
3149 arguments, add state argument, just truncate state->work_list
3150 instead of always allocating and freeing the vector. Assert that
3151 get_defs succeeds instead of returning 2. Changed return type to bool.
3152 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
3153 have ext_src_mode, see if it has been modified already with the
3154 right kind of extension and has been extended before from the
3155 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
3156 just return true. Remember the original mode in state->modified array.
3157 (combine_reaching_defs): Add state argument. Don't allocate and
3158 free here def_list, copied_list and vec vectors, instead just
3159 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
3160 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
3161 Add state variable, clear vectors in it, initialize state.modified
3162 if needed. Free all the vectors at the end and state.modified too.
3163 Don't skip a candidate if the extension expression has been modified.
3165 2012-01-22 Douglas B Rupp <rupp@gnat.com>
3168 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
3169 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
3170 (extra_options) interix.opt -> i386/interix.opt"
3171 (extra_objs):Add winnt-stubs.o
3172 * configure.ac: Add interix to target_os .comm on PE check.
3173 * configure: Regenerate.
3174 * config/interix3.h: Delete and move bits to..
3175 * config/interix.h: Delete and move bits to..
3176 * config/i386/i386-interix3.h: Delete and move bits to..
3177 * config/i386/i386-interix.h: ..here.
3178 (TARGET_CPU_DEFAULT): Remove redefinition.
3179 (TARGET_ASM_CONSTRUCTOR): Undefine.
3180 (SUBTARGET_SWITCHES): Define for ms-bitfields.
3181 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
3182 (PTRDIFF_TYPE): Define.
3183 (LONG_DOUBLE_TYPE_SIZE): Define.
3184 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
3185 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
3186 (TARGET_SECTION_TYPE_FLAGS): Define.
3187 (ASM_DECLARE_FUNCTION_NAME): Define.
3188 (ASM_OUTPUT_EXTERNAL): Define.
3189 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
3190 (ASM_OUTPUT_ALIGNED_BSS): Define.
3191 (PCC_BITFIELD_TYPE_MATTERS): Define.
3192 (USE_CONST_SECTION): Define.
3193 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
3194 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
3195 (SUPPORTS_ONE_ONLY): Remove.
3196 (I386_PE_STRIP_ENCODING): Define.
3197 * config/interix.opt: Delete and move bits to..
3198 * config/i386/interix.opt: ..here. New.
3199 (mpe-aligned-commons): Add.
3200 * config/i386/t-interix: Add copyright header.
3201 (winnt-stubs.o): Add rule.
3203 2012-01-22 Jason Merrill <jason@redhat.com>
3206 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
3207 for extra name aliases.
3209 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
3211 PR rtl-optimization/51924
3212 * ree.c (combine_set_extension): Improve debugging message.
3213 (combine_reaching_defs): Likewise.
3214 (get_defs): Rename confusingly named variable.
3215 (find_and_remove_re): Skip a candidate if the extension expression has
3218 2012-01-21 Robert Millan <rmh@gnu.org>
3219 Gerald Pfeifer <gerald@pfeifer.com>
3221 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
3222 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
3224 2012-01-20 Jakub Jelinek <jakub@redhat.com>
3226 PR tree-optimization/51914
3227 * tree-vect-stmts.c (vectorizable_conversion): For
3228 cvt_type && modifier == WIDEN, put temporary with cvt_type
3229 at the beginning of vec_dsts and set vec_dest to temporary
3232 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
3234 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
3236 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
3238 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
3239 * config/rs6000/rs6000.c: Likewise.
3241 2012-01-20 Jakub Jelinek <jakub@redhat.com>
3244 * config/arm/arm.c (arm_count_output_move_double_insns): Call
3245 output_move_double on a copy of operands array.
3247 2012-01-20 Cary Coutant <ccoutant@google.com>
3248 Dodji Seketeli <dodji@redhat.com>
3251 * dwarf2out.c (copy_declaration_context): Return ref to parent
3252 of declaration DIE, if necessary.
3253 (remove_child_or_replace_with_skeleton): Add new parameter; update
3254 caller. Place skeleton DIE under parent DIE of original declaration.
3255 Move call to copy_declaration_context to here ...
3256 (break_out_comdat_types): ... from here.
3258 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3260 PR rtl-optimization/51856
3261 * reload.c (find_reloads_subreg_address): Set the address_reloaded
3264 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3267 * config/arm/arm.c (arm_print_operand): Correct output of alignment
3268 hints for neon loads and stores.
3270 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
3274 * doc/extend.texi (Named Address Spaces): Split into subsections.
3275 (AVR Named Address Spaces): New subsection.
3276 (M32C Named Address Spaces): New subsection.
3277 (RL78 Named Address Spaces): New subsection.
3278 (SPU Named Address Spaces): New subsection.
3279 (Variable Attributes): New anchor "AVR Variable Attributes".
3280 (AVR Variable Attributes): Rewrite and avoid wording
3281 "address space" in this context.
3282 * doc/invoke.texi (AVR Options): Rewrite and add documentation
3283 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
3284 (AVR Built-in Macros): New subsubsection therein.
3285 * doc/md.texi (AVR constraints): Remove "C04", "R".
3287 2012-01-20 Richard Guenther <rguenther@suse.de>
3289 PR tree-optimization/51903
3290 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
3291 when removing stmts.
3293 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3296 * config/arm/arm.c (arm_load_pic_register): Use
3297 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
3298 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
3299 (arm_pic_static_addr): Likewise.
3300 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
3301 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
3302 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
3303 (pic_load_addr_unified): New.
3305 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
3308 * function.c (instantiate_virtual_regs_in_insn): Use
3309 delete_insn_and_edges when removing a wrong asm insn.
3311 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
3313 PR rtl-optimization/40761
3314 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
3315 Add new member loop_num.
3316 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
3317 (ira_build): Remove the parameter.
3319 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
3320 (ira.c): Do not build CFG loops for one region allocation. Remove
3321 argument from ira_build call.
3323 * ira-build.c (init_loop_tree_node): New function.
3324 (create_loop_tree_nodes): Use it. Separate the case when CFG
3325 loops are not built.
3326 (more_one_region_p): Check current_loops.
3327 (finish_loop_tree_nodes): Separate the case when CFG loops are not
3329 (add_loop_to_tree): Process loop equal to NULL too.
3330 (form_loop_tree): Separate the case when CFG loops are not built.
3331 Use explicitly number for the root.
3332 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
3334 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
3335 instead of loop->num.
3336 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
3337 (mark_all_loops_for_removal): Ditto.
3338 (remove_unnecessary_regions): Separate the case when CFG loops
3340 (ira_build): Remove the parameter. Use explicit number of regions
3341 when CFG loops are not built.
3343 * ira-color.c (print_loop_title): Separate the case for the root node.
3344 Use loop_num instead of loop->num.
3345 (move_spill_restore): Use loop_num instead of loop->num.
3347 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
3348 (change_loop): Ditto.
3349 (change_loop): Use loop_num instead of loop->num.
3351 * ira-lives.c (process_bb_node_lives): Ditto.
3353 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
3355 * ira-conflicts.c (print_allocno_conflicts): Ditto.
3357 2012-01-19 Jakub Jelinek <jakub@redhat.com>
3360 * tree-mudflap.c (mf_artificial): New function.
3361 (execute_mudflap_function_ops, execute_mudflap_function_decls,
3362 mx_register_decls, mudflap_enqueue_decl): Use it.
3365 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
3366 numbers in the insn pattern.
3368 2012-01-19 Michael Matz <matz@suse.de>
3370 PR tree-optimization/46590
3371 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
3372 use it in remembering which conflicts we already created.
3373 (add_scope_conflicts): Adjust call to above, (de)allocate helper
3376 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
3379 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
3380 (merge_and_complain): Same.
3382 2012-01-19 Jakub Jelinek <jakub@redhat.com>
3385 * config/initfini-array.h: Guard content of the header
3386 with #ifdef HAVE_INITFINI_ARRAY.
3387 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
3388 Add initfini-array.h to tm_file here.
3389 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
3390 * config.gcc: Don't add initfini-array.h to tm_file here.
3391 * configure: Regenerated.
3393 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
3395 PR rtl-optimization/51505
3396 * df-problems.c (df_kill_notes): New parameter live. Update comment.
3397 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
3398 (df_note_bb_compute): Update the call to df_kill_notes.
3400 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
3402 * trans-mem.c (requires_barrier): Remove call to is_global_var.
3404 2012-01-18 Richard Guenther <rguenther@suse.de>
3406 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
3407 of conversions to void *.
3409 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3410 Richard Sandiford <rdsandiford@googlemail.com>
3414 * optabs.h (simplify_expand_binop): Declare.
3415 * optabs.c (simplify_expand_binop): Make global.
3416 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
3417 endian targets if the source cannot be exactly covered by word
3420 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3423 * hard-reg-set.h (struct hard_reg_set_container): New type.
3424 * target.h (struct hard_reg_set_container): Forward declare.
3425 * target.def (set_up_by_prologue): New target hook.
3426 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
3427 * doc/tm.texi: Regenerated.
3428 * function.c (thread_prologue_and_epilogue_insns): Change
3429 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
3430 Call targetm.set_up_by_prologue on it.
3431 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
3432 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
3434 2012-01-17 Nick Clifton <nickc@redhat.com>
3436 * config/rx/rx.c (rx_can_use_simple_return): New function.
3437 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
3438 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
3440 2012-01-17 Richard Guenther <rguenther@suse.de>
3443 * expr.c (expand_assignment): Take address-space information
3444 from the address operand of MEM_REF and TARGET_MEM_REF.
3445 (expand_expr_real_1): Likewise.
3447 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3449 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
3450 reload dump is requested.
3452 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
3455 * trans-mem.c (requires_barrier): Call may_be_aliased.
3457 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3459 PR tree-optimization/51877
3460 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
3461 call arguments and fndecls compare equal, instead return false if they
3462 don't. Return true only if lhs1 and lhs2 are either both NULL, or
3463 both SSA_NAMEs that are valueized the same, or they satisfy
3466 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3468 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
3470 * configure: Regenerate.
3472 2012-01-16 Jan Hubicka <jh@suse.cz>
3476 * convert.c (convert_to_integer): Use fold_convert for
3477 converting an INTEGER_CST to integer type.
3479 2012-01-16 Jason Merrill <jason@redhat.com>
3482 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3484 2012-01-16 Jakub Jelinek <jakub@redhat.com>
3487 * config/s390/s390.c (s390_chunkify_start): Don't skip
3488 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
3489 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3490 If insn is followed by NOTE_INSN_VAR_LOCATION or
3491 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3492 Don't use location of note insns.
3494 PR tree-optimization/51865
3495 * tree-inline.c (tree_function_versioning): Call remap_decl
3496 on DECL_RESULT whenever it has VOID_TYPE_P type.
3498 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
3500 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3501 for calls to locally-binding MIPS16 functions if only the return
3502 type uses float regs.
3504 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
3505 Richard Sandiford <rdsandiford@googlemail.com>
3507 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3508 (SYMBOL_32_HIGH): Likewise.
3509 (mips_output_tls_reloc_directive): Declare.
3510 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3511 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3512 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3513 (mips_lo_relocs, mips_hi_relocs): Make extern.
3514 (mips16_stub_function): Move up file.
3515 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3516 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
3517 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
3518 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3519 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
3520 (mips_get_tp): Add MIPS16 support.
3521 (mips_legitimize_tls_address): Remove MIPS16 sorry().
3522 Generalize DTPREL and TPREL handling.
3523 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3524 Add MIPS16 TLS support.
3525 (mips_output_tls_reloc_directive): New function.
3526 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3527 * config/mips/predicates.md (symbolic_operand_with_high)
3528 (tls_reloc_operand): New predicates.
3529 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3530 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3531 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3532 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
3533 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3534 (*tls_get_tp_mips16_call_<mode>): Likewise.
3536 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
3538 PR rtl-optimization/51821
3539 * recog.c (peep2_find_free_register): Determine clobbered registers
3542 2012-01-14 Denis Chertykov <chertykov@gmail.com>
3545 * config/avr/avr-protos.h: Revert change of 2012-01-09.
3546 * config/avr/avr.c: Likewise.
3547 * config/avr/avr.h: Likewise.
3549 2012-01-13 Ian Lance Taylor <iant@google.com>
3552 * tree.h (TYPE_QUALS): Add cast to int.
3553 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3555 2012-01-13 Ian Lance Taylor <iant@google.com>
3557 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3558 comparing param_index to VEC_length result.
3560 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
3562 * c-decl.c: Do not include tree-mudflap.h
3563 * tree-optimize.c: Likewise.
3564 * Makefile.in: Update dependencies.
3566 2012-01-13 Richard Guenther <rguenther@suse.de>
3569 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3570 variable-sized result always use RSO.
3572 2012-01-12 DJ Delorie <dj@redhat.com>
3574 * cfgexpand.c (convert_debug_memory_address): Allow any valid
3575 pointer type, not just the default pointer type.
3577 2012-01-09 Richard Henderson <rth@redhat.com>
3578 Denis Chertykov <chertykov@gmail.com>
3581 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3582 * config/avr/avr.c (avr_can_eliminate): Simplify.
3583 (avr_initial_elimination_offset): Likewise.
3584 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3585 (expand_epilogue): Likewise.
3586 (avr_legitimize_address): Gut.
3587 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3588 (avr_hard_regno_nregs): New.
3589 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3590 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3591 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3592 add soft frame pointer.
3593 (CALL_USED_REGISTERS): Likewise.
3594 (REG_CLASS_CONTENTS): Likewise.
3595 (REGISTER_NAMES): Likewise.
3596 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3597 (HARD_FRAME_POINTER_REGNUM): New.
3598 (FRAME_POINTER_REGNUM): Use soft frame pointer.
3599 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3600 remove the HARD_FRAME_POINTER self-elimination.
3602 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
3605 * config/avr/avr.c (avr_encode_section_info): Test for absence of
3606 DECL_EXTERNAL when checking for initializers of progmem variables.
3608 2012-01-12 Ira Rosen <irar@il.ibm.com>
3610 PR tree-optimization/51799
3611 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3612 that the last operation is a type demotion.
3614 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
3616 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3617 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3619 2012-01-11 Jakub Jelinek <jakub@redhat.com>
3622 * combine.c (distribute_notes): If i3 is a noreturn call,
3623 allow old_size to be equal to args_size and make sure the
3624 noreturn call gets REG_ARGS_SIZE note.
3625 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3626 on noreturn calls even when the delta is 0.
3628 2012-01-11 Nathan Sidwell <nathan@acm.org>
3630 * gcov.c (STRING_SIZE): Remove.
3631 (generate_results): Erase annotations for source files with no
3632 coverage information.
3634 (output_lines): Use it.
3636 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3638 * gimple.h (gimplify_body): Remove first argument.
3639 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
3640 pointer set here, instead just pass DATA to walk_tree.
3641 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
3642 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3643 (unvisit_body): Likewise, but with unmark_visited.
3644 (gimplify_body): Remove BODY_P argument and adjust.
3645 (gimplify_function_tree): Adjust call to gimplify_body.
3646 * omp-low.c (finalize_task_copyfn): Likewise.
3648 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3650 * tree.h (build_function_decl_skip_args): Add boolean parameter.
3651 (build_function_type_skip_args): Delete.
3652 * tree.c (build_function_type_skip_args): Make static and add
3653 SKIP_RETURN parameter. Fix thinko in the handling of variants.
3654 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3655 pass it to build_function_type_skip_args.
3656 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3657 (tree_function_versioning): Likewise.
3658 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3659 build_function_decl_skip_args.
3660 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3661 and pass it to build_function_decl_skip_args/tree_function_versioning.
3662 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3663 * ipa-inline-transform.c (save_inline_function_body): Likewise.
3664 * trans-mem.c (ipa_tm_create_version): Likewise.
3665 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3666 * tree-inline.c (declare_return_variable): Remove always-true test.
3667 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
3668 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3669 * ipa-split.c (split_function): Skip the return value for the split
3670 part if it doesn't return.
3672 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3674 PR tree-optimization/49642
3675 * ipa-split.c (forbidden_dominators): New variable.
3676 (check_forbidden_calls): New function.
3677 (dominated_by_forbidden): Likewise.
3678 (consider_split): Check for forbidden dominators.
3679 (execute_split_functions): Initialize and free forbidden
3680 dominators info; call check_forbidden_calls.
3682 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3684 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3686 2012-01-11 Nick Clifton <nickc@redhat.com>
3688 * config/rx/rx.md (return): Define pattern.
3690 2012-01-11 Richard Guenther <rguenther@suse.de>
3692 * doc/extend.texi (malloc attribute): Adjust according to
3695 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
3696 Patrick Marlier <patrick.marlier@gmail.com>
3699 * trans-mem.c (get_cg_data): Traverse aliases if requested.
3700 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3701 (ipa_tm_note_irrevocable): Same.
3702 (ipa_tm_scan_irr_block): Same.
3703 (ipa_tm_decrement_clone_counts): Same.
3704 (ipa_tm_scan_irr_function): Same.
3705 (ipa_tm_create_version_alias): Same.
3706 (ipa_tm_create_version): Same.
3707 (ipa_tm_transform_calls_redirect): Same.
3708 (ipa_tm_transform_calls): Same.
3709 (ipa_tm_transform_transaction): Same.
3710 (ipa_tm_execute): Same.
3712 2012-01-10 Richard Guenther <rguenther@suse.de>
3715 * opts.c (common_handle_option): Handle -Werror.
3717 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
3719 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3722 2012-01-10 Jason Merrill <jason@redhat.com>
3724 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3727 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3729 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3730 supports R_386_TLS_GD_PLT reloc.
3731 (gcc_cv_as_ix86_tlsldmplt): Check if linker
3732 supports R_386_TLS_LDM_PLT reloc.
3733 * configure: Regenerate.
3734 * config.in: Regenerate.
3736 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
3739 Extend __pgmx semantics to linearize memory.
3740 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3741 determine if code comes inline or from libgcc.
3742 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3743 (movmem_qi, movmem_qi): Set constraint #2 to "n".
3744 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3745 (movmemx_qi, movmemx_hi): New insns.
3746 (xload_<mode>_libgcc): Rewrite to new insn condition.
3747 (xload_<mode>): Remove insns.
3748 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3749 cases that don't satisfy avr_xload_libgcc_p().
3750 (avr_addr_space_convert): Allow converting in any direction.
3751 (avr_addr_space_subset_p): Return always true.
3752 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3753 (avr_emit_movmemhi): Ditto.
3754 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3755 (avr_out_movmem): Ditto.
3756 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3757 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3758 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3759 (avr_encode_section_info): Encode 'progmem' in symbol flags.
3760 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3762 2012-01-10 Richard Guenther <rguenther@suse.de>
3764 PR tree-optimization/50913
3765 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3766 Require data-refs to be representable by Graphite with respect
3769 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
3771 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3772 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3774 2012-01-10 Tom de Vries <tom@codesourcery.com>
3776 PR rtl-optimization/51271
3777 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3778 handling annulled branch.
3780 2012-01-10 Richard Henderson <rth@redhat.com>
3782 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3783 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3784 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3785 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3786 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3787 arm_expand_vec_perm_const): New.
3788 * config/arm/arm-protos.h: Update.
3789 * config/arm/neon.md (UNSPEC_VCONCAT): New.
3790 (*neon_vswp<VDQX>): New.
3791 (neon_vcombine<VDX>): Use neon_split_vcombine.
3792 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3793 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3794 (vec_perm<VE>): New.
3796 2012-01-10 Richard Henderson <rth@redhat.com>
3798 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3799 use it if reload_completed.
3800 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3801 arm_output_asm_insn, arm_process_output_memory_barrier,
3802 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3803 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3804 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3805 arm_process_output_sync_insn, arm_output_sync_insn,
3806 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3807 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3808 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3809 (emit_unlikely_jump): New.
3810 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3811 (arm_split_atomic_op): New.
3812 * config/arm/arm-protos.h: Update.
3813 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3814 (struct arm_sync_generator): Remove.
3815 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3816 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3817 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3818 (VUNSPEC_LL, VUNSPEC_SC): New.
3819 (sync_result, sync_memory, sync_required_value, sync_new_value,
3820 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3821 (attr length): Don't use arm_sync_loop_insns.
3822 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3823 (movsfcc, movdfcc): Likewise.
3824 * config/arm/constraints.md (Ua): New.
3825 * config/arm/prediates.md (mem_noofs_operand): New.
3826 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3827 (sync_clobber, sync_t2_reqd): Remove.
3828 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3829 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3830 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3831 (arm_sync_compare_and_swap<SIDI>): Remove.
3832 (arm_sync_compare_and_swap<NARROW>): Remove.
3833 (arm_sync_lock_test_and_set<SIDI>): Remove.
3834 (arm_sync_lock_test_and_set<NARROW>): Remove.
3835 (arm_sync_new_<syncop><SIDI>): Remove.
3836 (arm_sync_new_<syncop><NARROW>): Remove.
3837 (arm_sync_new_nand<SIDI>): Remove.
3838 (arm_sync_new_nand<NARROW>): Remove.
3839 (arm_sync_old_<syncop><SIDI>): Remove.
3840 (arm_sync_old_<syncop><NARROW>): Remove.
3841 (arm_sync_old_nand<SIDI>): Remove.
3842 (arm_sync_old_nand<NARROW>): Remove.
3843 (*memory_barrier): Merge arm_output_memory_barrier.
3844 (atomic_compare_and_swap<QHSD>): New.
3845 (atomic_compare_and_swap<NARROW>_1): New.
3846 (atomic_compare_and_swap<SIDI>_1): New.
3847 (atomic_exchange<QHSD>): New.
3848 (cas_cmp_operand, cas_cmp_str): New.
3849 (atomic_op_operand, atomic_op_str): New.
3850 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3851 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3852 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3853 (arm_load_exclusive<NARROW>): New.
3854 (arm_load_exclusivesi, arm_load_exclusivedi): New.
3855 (arm_store_exclusive<QHSD>): New.
3857 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
3859 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3860 reload patterns if -mvsx-scalar-memory.
3862 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3863 generated, even -mno-vsx-scalar-double was used.
3864 (vsx_xscvdpsp_scalar): Likewise.
3865 (vsx_xscvspdp_scalar2): Likewise.
3867 2012-01-09 Tom de Vries <tom@codesourcery.com>
3868 Andrew Pinski <apinski@cavium.com>
3871 * reorg.c (fill_slots_from_thread): Don't speculate
3872 frame-related insns.
3874 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
3876 * sched-int.h (bb_note): Move to...
3877 * basic-block.h: ...here.
3878 * haifa-sched.c (bb_note): Move to...
3879 * cfgrtl.c: ...here.
3880 * function.c (next_block_for_reg): New function.
3881 (move_insn_for_shrink_wrap): Likewise.
3882 (prepare_shrink_wrap): Rewrite to use the above.
3884 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
3886 * gimple.c (is_gimple_non_addressable): Remove.
3887 * gimple.h: Remove is_gimple_non_addressable.
3888 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
3889 is_gimple_non_addressable.
3890 * trans-mem.c (expand_assign_tm): Same.
3892 2012-01-09 Richard Guenther <rguenther@suse.de>
3894 PR tree-optimization/51775
3895 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
3896 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
3898 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3900 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3902 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3904 2012-01-09 Richard Guenther <rguenther@suse.de>
3906 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
3908 2012-01-08 Jan Hubicka <jh@suse.cz>
3910 PR tree-optimize/51680
3911 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
3912 on when known_vals needs to be computed; cleanup.
3914 2012-01-08 Jan Hubicka <jh@suse.cz>
3916 PR tree-optimize/51694
3917 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
3919 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
3921 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
3922 for -std=c++98 and -std=c++11 too.
3924 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
3926 * cfgloop.c (cancel_loop): Add free() of bbs array.
3928 2012-01-07 Jan Hubicka <jh@suse.cz>
3930 PR tree-optimization/51600
3931 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
3932 that benefits small functions.
3934 2012-01-07 Jan Hubicka <jh@suse.cz>
3936 * ipa-inline.c (want_inline_small_function_p): Fix formating.
3938 2012-01-07 Jan Hubicka <jh@suse.cz>
3940 PR tree-optimization/51680
3941 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
3942 whose inlining reduce unit size.
3944 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
3947 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
3948 Add canonical node to containing_mem chain after the non-canonical
3949 one, even if there weren't any locs to propagate.
3950 (remove_useless_values): Keep only canonical values.
3951 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
3952 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
3953 canonicalize mem_chain elements that are not discarded.
3955 2012-01-06 Jakub Jelinek <jakub@redhat.com>
3958 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
3959 before emitting functions.
3961 PR gcov-profile/50127
3962 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
3963 clear_aux_for_blocks.
3965 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
3968 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
3970 2012-01-06 Arnaud Charlet <charlet@adacore.com>
3972 * c-decl.c (ext_block): Moved up.
3973 (collect_all_refs, for_each_global_decl): Take ext_block into account.
3975 2012-01-06 Han Shen <shenhan@google.com>
3977 Translate built-in include paths for sysroot.
3978 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
3979 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
3981 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
3982 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
3984 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
3985 control whether sysroot should be prepended to gxx include dir.
3987 * configure: Regenerate.
3989 2012-01-06 Torvald Riegel <triegel@redhat.com>
3991 PR rtl-optimization/51771
3992 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
3993 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
3995 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3997 PR tree-optimization/51315
3998 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
3999 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
4001 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
4004 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
4005 for shrp pattern. Correctly handle and fixup shift variable.
4006 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
4008 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4011 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
4012 note when !ACCUMULATE_OUTGOING_ARGS.
4014 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
4016 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
4018 (extract_range_from_unary_expr_1): Avoid useless computations.
4020 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4022 PR rtl-optimization/51767
4023 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
4024 of jump_block and add an extra edge for degenerated asm gotos.
4027 * stmt.c (check_unique_operand_names): Don't ICE during error
4028 reporting if i is from labels chain.
4031 * profile.c (branch_prob): Split bbs that have exit edge
4032 and need a fake entry edge too.
4034 2012-01-05 Jan Hubicka <jh@suse.cz>
4037 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
4040 2012-01-05 Richard Guenther <rguenther@suse.de>
4043 * tree-streamer-out.c (write_ts_optimization): New function.
4044 (streamer_write_tree_body): Call it.
4045 * tree-streamer-in.c (lto_input_ts_optimization): New function.
4046 (streamer_read_tree_body): Call it.
4047 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
4049 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4052 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
4053 * gimplify.c (gimplify_cleanup_point_expr): Save and set
4054 in_cleanup_point_expr before gimplify_stmt call and restore it
4056 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
4057 in_cleanup_point_expr is false.
4059 2012-01-05 Richard Guenther <rguenther@suse.de>
4062 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
4064 * toplev.c (process_options): Reject combining mudflap and LTO.
4065 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
4067 2012-01-05 Richard Guenther <rguenther@suse.de>
4069 PR tree-optimization/51760
4070 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
4072 (bit_value_unop): Handle UNDEFINED operands.
4073 (bit_value_binop): Likewise.
4075 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
4077 * config/avr/avr.c (avr_replace_prefix): Remove.
4078 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
4079 (avr_asm_function_rodata_section): Ditto.
4080 (avr_asm_select_section): Ditto.
4082 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
4084 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
4087 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4090 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
4091 calls that have any non-fake successor edges.
4094 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
4096 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
4098 PR tree-optimization/51624
4099 * tree-sra.c (build_ref_for_model): When replicating a chain of
4100 COMPONENT_REFs, stop as soon as the offset would become negative.
4102 2012-01-04 Jakub Jelinek <jakub@redhat.com>
4105 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
4106 in .debug_loc on the floor.
4108 2012-01-04 Andrew Pinski <apinski@cavium.com>
4110 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
4112 2012-01-04 Andrew Pinski <apinski@cavium.com>
4113 Adam Nemet <anemet@caviumnetworks.com>
4115 * config/mips/mips.md (size): Add SI and DI.
4116 (SIZE): New mode attribute.
4117 (U): New code attribute.
4118 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
4119 (mips_lbux_<mode>): Delete.
4120 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
4121 (mips_lhx): Use gen_mips_lhx_extsi.
4122 (mips_lhx_<mode>): Delete.
4124 (mips_l<size>x): New expand.
4125 (mips_lwx_<mode>): Delete.
4126 (mips_l<GPR:size>x_<P:mode>): New pattern.
4127 (*mips_lw<u>x_<P:mode>_ext): Likewise.
4128 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
4129 * config/mips/mips.c (mips_lx_address_p): New function.
4130 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
4131 (dsp64): New availability predicate.
4132 (mips_builtins): Add an entry for __builtin_mips_ldx.
4133 * config/mips/mips.h (ISA_HAS_LBX): New define.
4134 (ISA_HAS_LBUX): Likewise.
4135 (ISA_HAS_LHX): Likewise.
4136 (ISA_HAS_LHUX): Likewise.
4137 (ISA_HAS_LWX): Likewise.
4138 (ISA_HAS_LWUX): Likewise.
4139 (ISA_HAS_LDX): Likewise.
4140 * doc/extend.texi (__builtin_mips_ldx): Document.
4142 2012-01-04 Tristan Gingold <gingold@adacore.com>
4144 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
4145 when long pointers are used.
4146 * config.build (*-*-*vms*): Handle all OpenVMS targets.
4147 (alpha64-dec-*vms*, alpha*-dec-*vms*)
4148 (ia64-hp-*vms*): Remove.
4149 * config/vms/xm-vms64.h: Delete.
4151 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4154 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
4156 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4158 * opts.c (finish_options): Remove duplicate sorry.
4160 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4163 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
4166 2012-01-04 Richard Guenther <rguenther@suse.de>
4169 * tree.c (size_low_cst): New function.
4170 * tree.h (size_low_cst): Declare.
4171 * fold-const.c (fold_comparison): Use it to extract the low
4172 part of the POINTER_PLUS_EXPR offset.
4174 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
4176 Fix clearing ZERO_REG
4177 * config/avr/avr.md (cc): Add alternative "ldi".
4178 (movqi_insn): Use it in cc attribute.
4179 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
4180 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
4181 (output_reload_insisf): Use ZERO_REG to pre-clear register.
4183 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4185 * configure: Regenerate.
4187 2012-01-04 Richard Guenther <rguenther@suse.de>
4189 PR tree-optimization/49651
4190 * tree-ssa-structalias.c (type_can_have_subvars): New function.
4191 (var_can_have_subvars): Use it.
4192 (get_constraint_for_1): Only consider subfields if there can be any.
4194 2012-01-03 Jakub Jelinek <jakub@redhat.com>
4197 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
4198 to its new canonical_cselib_val and the cselib_val was in
4199 first_containing_mem chain, but the canonical_cselib_val was not,
4200 add the latter into the chain.
4201 (cselib_invalidate_mem): Compare canonical_cselib_val of
4202 addr_list chain elt with v.
4205 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
4206 dwarf2out_undef): Allocate e.info using ggc_strdup instead
4208 (output_macinfo_op): Don't ggc_strdup fd->filename.
4209 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
4210 then ggc_strdup it. Don't free inc->info or cur->info.
4211 (output_macinfo): Don't free ref->info or file->info.
4213 2012-01-03 Ira Rosen <irar@il.ibm.com>
4215 PR tree-optimization/51269
4216 * tree-vect-loop-manip.c (set_prologue_iterations): Make
4217 first_niters a pointer.
4218 (slpeel_tree_peel_loop_to_edge): Likewise.
4219 (vect_do_peeling_for_loop_bound): Update call to
4220 slpeel_tree_peel_loop_to_edge.
4221 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
4222 here. Remove it from the parameters list.
4223 (vect_do_peeling_for_alignment): Update calls and compute
4226 2012-01-03 Richard Guenther <rguenther@suse.de>
4228 PR tree-optimization/51070
4229 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
4230 Properly handle calls.
4232 2012-01-03 Richard Guenther <rguenther@suse.de>
4234 PR tree-optimization/51692
4235 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
4236 the LHS of allocation stmts.
4238 2012-01-03 Olivier Hainque <hainque@adacore.com>
4240 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
4242 2012-01-03 Olivier Hainque <hainque@adacore.com>
4244 * collect2.c (main): In AIX specific computations for vector
4245 insertions, use CONST_CAST2 to cast from char ** to const char **.
4247 2012-01-03 Richard Guenther <rguenther@suse.de>
4250 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
4251 the context of a limbo DIE when it does not already exist.
4253 2012-01-03 Jakub Jelinek <jakub@redhat.com>
4255 PR tree-optimization/51719
4256 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
4257 but direct call is, clear direct call's lhs and don't add fallthrough
4258 edge from dcall_bb to join_bb and PHIs.
4260 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4262 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
4263 the instructions emitted by the pattern.
4264 ("*TDC_insn_<mode>"): Add comment.
4266 2012-01-03 Richard Guenther <rguenther@suse.de>
4269 * fold-const.c (fold_comparison): Properly canonicalize
4270 tree offset and HOST_WIDE_INT bit position.
4272 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
4274 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
4275 operands for extzv pattern.
4277 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4280 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
4283 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
4285 * doc/invoke.texi (-flto and related options): Copy-edit.
4287 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4289 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
4291 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4293 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
4296 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4298 * expr.h (move_by_pieces_ninsns): Declare.
4299 * expr.c (move_by_pieces_ninsns): Make external.
4300 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
4301 (mips_store_by_pieces_p): Likewise.
4302 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
4303 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
4304 * config/mips/mips.c (mips_move_by_pieces_p): New function.
4305 (mips_store_by_pieces_p): Likewise.
4307 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4309 * passes.c (register_one_dump_file): Free full_name.
4311 * reload1.c (reload): Don't allocate reg_max_ref_width here.
4312 (calculate_elim_costs_all_insns): Free offsets_at and
4313 offsets_known_at at the end and clear the pointers.
4315 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4317 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
4318 this option introduced in r180739.
4320 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4323 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
4324 (tmake_file target=avr): Add avr/t-multilib.
4326 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
4327 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
4328 * config/avr/genmultilib.awk: New file.
4329 * config/avr/t-multilib: New auto-generated file.
4330 * config/avr/multilib.h: New auto-generated file.
4331 * config/avr/t-avr (AVR_MCUS): New variable.
4332 (genopt.sh): Use it.
4333 (s-mlib): Depend on t-multilib.
4334 (t-multilib, multilib.h): New dependencies.
4335 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
4336 (MULTILIB_OPTIONS): Remove.
4337 (MULTILIB_MATCHES): Remove.
4338 (MULTILIB_DIRNAMES): Remove.
4339 (MULTILIB_EXCEPTIONS): Remove:
4340 * config/avr/genopt.sh: Don't use hard coded file name;
4341 pass AVR_MCUS from t-avr instead.
4343 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4345 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
4347 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4349 Implement light-weight DImode support.
4350 * config/avr/avr-dimode.md: New file.
4351 * config/avr/avr.md: Include it.
4352 (adjust_len): Add plus64, compare64.
4353 (HIDI): Remove code iterator.
4354 (code_stdname): New code attribute.
4355 (rotx, rotsmode): Remove DI.
4356 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
4358 * config/avr/avr-protos.h (avr_have_dimode): New.
4359 (avr_out_plus64, avr_out_compare64): New.
4360 * config/avr/avr.c (avr_out_compare): Handle DImode.
4361 (avr_have_dimode): New variable definition and initialization.
4362 (avr_out_compare64, avr_out_plus64): New functions.
4363 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
4364 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
4365 (avr_compare_pattern): Skip DImode comparisons.
4367 2012-01-02 Revital Eres <revital.eres@linaro.org>
4369 * ddg.c (def_has_ccmode_p): New function.
4370 (add_cross_iteration_register_deps,
4371 create_ddg_dep_from_intra_loop_link): Call it.
4373 2012-01-02 Richard Guenther <rguenther@suse.de>
4376 * invoke.texi (fassociative-math): Remove spurious paranthesis.
4378 2012-01-01 Jakub Jelinek <jakub@redhat.com>
4380 * gcc.c (process_command): Update copyright notice dates.
4381 * gcov.c (print_version): Likewise.
4382 * gcov-dump.c (print_version): Likewise.
4383 * mips-tfile.c (main): Likewise.
4384 * mips-tdump.c (main): Likewise.
4386 2012-01-01 Ira Rosen <irar@il.ibm.com>
4388 PR tree-optimization/51704
4389 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
4390 a use is inside the basic block or loop before accessing its vect info.
4392 2012-01-01 Jan Hubicka <jhjh@suse.cz>
4394 PR rtl-optimization/51069
4395 * cfgloopmanip.c (remove_path): Removing path making irreducible
4396 region unconditional makes BB part of the region.
4398 2012-01-01 Jakub Jelinek <jakub@redhat.com>
4400 PR tree-optimization/51683
4401 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
4402 calls with side-effects.
4403 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
4405 Copyright (C) 2012 Free Software Foundation, Inc.
4407 Copying and distribution of this file, with or without modification,
4408 are permitted in any medium without royalty provided the copyright
4409 notice and this notice are preserved.