1 2012-05-21 Joseph Myers <joseph@codesourcery.com>
4 * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
5 from folded operands before wrapping another around the
6 conditional expression.
8 2012-05-21 Dave Boutcher <daveboutcher@gmail.com>
9 Patrick Marlier <patrick.marlier@gmail.com>
11 * trans-mem.c (ipa_tm_transform_clone): Transform functions with
14 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
16 Backport from mainline
17 2012-05-21 H.J. Lu <hongjiu.lu@intel.com>
20 * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
21 (UNSPECV_RDRAND): This.
22 (rdrand<mode>_1): Updated.
24 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
26 Backport from mainline
27 2012-05-20 H.J. Lu <hongjiu.lu@intel.com>
29 * config/i386/driver-i386.c (host_detect_local_cpu): Support
30 RDRND, F16C and FSGSBASE.
32 2012-05-19 Eric Botcazou <ebotcazou@adacore.com>
34 Backport from mainline
35 2012-05-14 Eric Botcazou <ebotcazou@adacore.com>
37 * tree-ssa-pre.c (can_value_number_call): Delete.
38 (compute_avail): Skip all statements with side effects.
39 <GIMPLE_CALL>: Skip calls to internal functions.
41 2012-05-18 David S. Miller <davem@davemloft.net>
43 Backport r185385 from mainline
44 2012-03-14 Richard Guenther <rguenther@suse.de>
47 * tree-vect-generic.c (type_for_widest_vector_mode): Take
48 element type instead of mode, use build_vector_type_for_mode
49 instead of the langhook, build a vector of proper signedness.
50 (expand_vector_operations_1): Adjust.
52 2012-05-18 Olivier Hainque <hainque@adacore.com>
54 * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
55 $(libsubdir) as libexecsubdir.
57 2012-05-16 Andrew Pinski <apinski@cavium.com>
59 * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
62 2012-05-16 David S. Miller <davem@davemloft.net>
64 * jump.c (delete_related_insns): If we remove a CALL, make sure
65 we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
67 2012-05-16 Richard Henderson <rth@redhat.com>
70 * combine-stack-adj.c (prev_active_insn_bb): New.
71 (next_active_insn_bb): New.
72 (force_move_args_size_note): New.
73 (combine_stack_adjustments_for_block): Use it.
75 2012-05-16 Olivier Hainque <hainque@adacore.com>
77 * Makefile.in (install-no-fixedincludes): New target, former toplevel
78 gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
79 Add comments and improve stamp preservation across the whole sequence.
80 (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
82 2012-05-16 Richard Guenther <rguenther@suse.de>
84 PR tree-optimization/53364
85 * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
86 detect a view-conversion of the decl.
88 2012-05-15 Jakub Jelinek <jakub@redhat.com>
91 * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
92 that operands[2] is either immediate, or q_regs_operand.
94 2012-05-15 Bin Cheng <bin.cheng@arm.com>
96 Backport r187139 from mainline.
97 2012-05-04 Bin Cheng <bin.cheng@arm.com>
99 PR rtl-optimization/52804
100 * reload1.c (reload_reg_reaches_end_p): Check whether successor
101 reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
102 of current one with type RELOAD_FOR_INPADDR_ADDRESS.
103 Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
104 RELOAD_FOR_OUTADDR_ADDRESS.
106 2012-05-14 Uros Bizjak <ubizjak@gmail.com>
109 * config/i386/i386.c (ix86_expand_special_args_builtin): Always
110 generate target register for "load" class builtins.
113 2010-10-22 Uros Bizjak <ubizjak@gmail.com>
116 * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
117 Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
118 (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
119 (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
120 (<sse>_movu<ssemodesuffix>): New expander.
121 (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
122 (avx_movdqu<avxmodesuffix>): New expander.
123 (*sse2_movdqu): Rename from sse2_movdqu.
124 (sse2_movdqu): New expander.
126 2012-05-14 Jakub Jelinek <jakub@redhat.com>
128 * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
129 lineno 1 the same as lineno 0 before first start file directive.
130 (optimize_macinfo_range): Likewise.
132 * dwarf2out.c (have_macinfo): Define.
133 (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
134 attribute, don't force empty compilation unit and don't emit any
135 .debug_macinfo/.debug_macro section if macinfo_table is empty.
137 2012-05-13 Uros Bizjak <ubizjak@gmail.com>
139 Backport from mainline
140 2012-05-12 Uros Bizjak <ubizjak@gmail.com>
142 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
143 ORDERED and UNORDERED conditions.
145 2012-05-12 Eric Botcazou <ebotcazou@adacore.com>
147 * function.c (requires_stack_frame_p): If the function can throw
148 non-call exceptions, return true if the insn can throw internally.
150 2012-05-10 Eric Botcazou <ebotcazou@adacore.com>
152 * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
153 DECL_ORIGINAL_TYPE if it is present.
155 2012-05-09 Georg-Johann Lay <avr@gjlay.de>
157 Backport from 2012-05-12 mainline r187342.
160 * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
161 * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
162 * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
163 * config/avr/avr.c (avr_asm_declare_function_name): Remove.
164 (expand_prologue): Move initialization of cfun->machine->is_naked,
165 is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
166 (avr_set_current_function): ...this new static function.
167 (TARGET_SET_CURRENT_FUNCTION): New define.
168 (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
169 checking attributes of current_function_decl.
170 (avr_regs_to_save): Ditto.
171 (signal_function_p): Rename to avr_signal_function_p.
172 (interrupt_function_p): Rename to avr_interrupt_function_p.
174 * doc/extend.texi (Function Attributes): Better explanation of
175 'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
178 2012-05-09 Matthias Klose <doko@ubuntu.com>
180 * gcc-ar.c (main): Don't check for execute bits for the plugin.
182 2012-05-08 Hans-Peter Nilsson <hp@axis.com>
185 * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
186 when a constant source operand matches an "I" constraint, the "no
187 CC0 change" applies to a register-destination only, not a
188 strict_low_part-destination.
190 2012-05-07 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
192 Backport from mainline:
193 2012-04-19 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
195 * config/arm/sync.md (sync_optab): Change ior attribute to "or".
197 2012-05-07 Jakub Jelinek <jakub@redhat.com>
199 PR tree-optimization/53239
200 * tree-vrp.c (get_value_range): Set VR of
201 SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
204 2012-05-07 Richard Guenther <rguenther@suse.de>
206 PR tree-optimization/53195
207 * tree-inline.c (setup_one_parameter): Properly add referenced
208 vars from the parameters new known value.
210 2012-05-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
212 Backport from mainline:
213 2012-04-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
216 * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
219 2012-05-04 Ian Lance Taylor <iant@google.com>
221 * tree-vect-patterns.c (vect_single_imm_use): Correct return
222 values from false to NULL.
224 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
226 Backport from mainline
227 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
230 * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
231 (TARGET_CMOV): Rename from TARGET_CMOVE.
232 (TARGET_CMOVE): New define.
233 * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
234 Do not set TARGET_CMOVE here.
236 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
238 Backport from mainline:
240 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
242 PR tree-optimization/52633
243 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
244 vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
245 (vect_recog_over_widening_pattern): Remove handling of code that was
246 already detected as over-widening pattern. Remove special handling
247 of "unsigned" cases. Instead, support general case of conversion
248 of the shift result to another type.
250 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
252 * tree-vect-patterns.c (vect_single_imm_use): New function.
253 (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
254 (vect_recog_over_widening_pattern): Likewise.
255 (vect_recog_widen_shift_pattern): Likewise.
257 2012-04-10 Ulrich Weigand <ulrich.weigand@linaro.org>
259 PR tree-optimization/52870
260 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
261 presumed pattern statement is within the same loop or basic block.
263 2012-05-04 Richard Guenther <rguenther@suse.de>
265 * common.opt (flto-report): Do not mark as Optimization.
267 2012-05-04 Eric Botcazou <ebotcazou@adacore.com>
270 * recog.c (constrain_operands): If extra constraints are present, also
271 accept pseudo-registers with equivalent memory locations during reload.
273 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
275 Backport from the mainline
276 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
279 * config/rs6000/rs6000.md (bswapdi splitters): If
280 -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
281 default) is used, generate an alternate sequence that does not
282 depend on using indexed addressing.
284 2012-05-03 David S. Miller <davem@davemloft.net>
287 * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
288 MEM directly into a libcall, mark it's MEM_EXPR as addressable.
289 (sparc_emit_float_lib_cmp): Likewise.
291 2012-05-04 Martin Jambor <mjambor@suse.cz>
293 Backport from mainline
294 2012-05-02 Martin Jambor <mjambor@suse.cz>
297 * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
298 of a variable when the contect is a function.
300 2012-05-03 Jakub Jelinek <jakub@redhat.com>
303 * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
304 append program name to it and pass that as first argument
305 to make_relative_prefix. Always pass standard_libexec_prefix
306 as last argument to make_relative_prefix. If
307 make_relative_prefix returns NULL, fall back to
308 standard_libexec_prefix.
311 * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
315 * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
316 mode, return that mode.
318 2012-05-03 Richard Guenther <rguenther@suse.de>
320 PR tree-optimization/53144
321 * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
323 (vn_reference_lookup_or_insert_for_pieces): ... this. Properly deal
324 with SSA name values.
325 (vn_reference_lookup_3): Adjust callers.
327 2012-05-02 Jakub Jelinek <jakub@redhat.com>
329 PR tree-optimization/53163
330 * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
331 return value from compute_all_dependences.
333 PR rtl-optimization/53160
334 * ree.c (combine_reaching_defs): Handle the case where cand->insn
335 has been modified by ree pass already.
337 2012-05-01 Uros Bizjak <ubizjak@gmail.com>
339 Backport from mainline
340 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
343 * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
344 calls to cgraph_node_name in xstrdup.
345 (ipa_make_edge_direct_to_target): Ditto.
346 * tree-sra.c (convert_callers_for_node): Ditto.
347 * lto-symtab.c (lto_cgraph_replace_node): Ditto.
348 * ipa-cp.c (perhaps_add_new_callers): Ditto.
349 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
350 (cgraph_materialize_all_clones): Ditto.
351 * ipa-inline.c (report_inline_failed_reason): Ditto.
352 (want_early_inline_function_p): Ditto.
353 (edge_badness): Ditto.
354 (update_edge_key): Ditto.
355 (flatten_function): Ditto.
357 (inline_always_inline_functions): Ditto.
358 (early_inline_small_functions): Ditto.
360 2012-04-30 Andreas Tobler <andreast@fgznet.ch>
362 Backport from mainline
363 2012-03-21 Andreas Tobler <andreast@fgznet.ch>
365 * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
366 Introduce emul_name to select the right linker emulation for
367 powerpc64-*-freebsd*.
368 * configure: Regenerate.
369 * config.gcc: Add bits to support powerpc64-*-freebsd*.
370 * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
371 * config/rs6000/freebsd64.h: New file.
372 * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
374 (rs6000_savres_strategy): Likewise.
375 (rs6000_savres_routine_name): Likewise.
376 (rs6000_elf_file_end): Likewise.
377 * config/rs6000/t-freebsd64: New file.
378 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
379 rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
381 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
383 Backport from mainline
384 2012-04-27 Paolo Bonzini <bonzini@gnu.org>
387 * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
389 2012-04-30 Eric Botcazou <ebotcazou@adacore.com>
391 * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
392 predicate to discriminate types.
394 2012-04-27 Richard Guenther <rguenther@suse.de>
397 * convert.c (convert_to_integer): Avoid infinite recursion for
398 target-defined built-in types.
400 2012-04-26 Hans-Peter Nilsson <hp@axis.com>
403 * config/cris/cris.md ("*andhi_lowpart_v32")
404 ("*andqi_lowpart_v32"): Change first input-only operand from
405 a (match_operand ...) to (match_dup 0). Drop alternatives with
406 const_int-matching constraints for redundancy.
407 ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto. Drop
408 three-operand alternative.
410 2012-04-26 Uros Bizjak <ubizjak@gmail.com>
412 Backport from mainline
413 2012-04-23 Uros Bizjak <ubizjak@gmail.com>
415 * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
416 (*addsi_2_zext): Ditto.
417 (*add<mode>_3): Ditto.
418 (*addsi_3_zext): Ditto.
419 (*add<mode>_5): Ditto.
421 2012-04-25 Jakub Jelinek <jakub@redhat.com>
424 * c-typeck.c (set_nonincremental_init,
425 set_nonincremental_init_from_string): Pass true instead of false
426 as IMPLICIT to add_pending_init.
428 2012-04-24 Georg-Johann Lay <avr@gjlay.de>
430 Backport from 2012-04-24 mainline r186768.
433 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
435 2012-04-24 Richard Guenther <rguenther@suse.de>
437 PR tree-optimization/53085
438 * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
441 2012-04-24 Jakub Jelinek <jakub@redhat.com>
444 * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
446 (output_addressed_constants): Likewise.
449 * varasm.c (get_section): Don't ICE for section conflicts with
450 built-in section kinds.
452 2012-04-23 David Edelsohn <dje.gcc@gmail.com>
454 * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
456 2012-04-23 Georg-Johann Lay <avr@gjlay.de>
458 * doc/extend.texi (AVR Named Address Spaces): Fix typos.
460 2012-04-23 Richard Guenther <rguenther@suse.de>
463 * c-typeck.c (build_binary_op): Fix typo.
465 2012-04-23 Jakub Jelinek <jakub@redhat.com>
467 PR tree-optimizations/52891
468 * tree-vect-patterns.c (adjust_bool_pattern): Use
469 build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
470 but with non-standard precision.
472 2012-04-22 Ian Lance Taylor <iant@google.com>
474 * godump.c (go_output_typedef): Dump size of structs.
476 2012-04-20 Ulrich Weigand <ulrich.weigand@linaro.org>
478 Backport from mainline:
480 * config/arm/arm.c (arm_print_operand): Fix invalid alignment
481 hints for 'A' operand types.
483 2012-04-19 Georg-Johann Lay <avr@gjlay.de>
485 Backport from 2012-04-19 mainline r186588.
488 * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
491 2012-04-18 Uros Bizjak <ubizjak@gmail.com>
493 * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
495 2012-04-17 Uros Bizjak <ubizjak@gmail.com>
498 * config/i386/sync.md (atomic_<code><mode>): Rename to
499 atomic_<logic><mode>.
501 2012-04-16 Uros Bizjak <ubizjak@gmail.com>
503 Backport from mainline
504 2012-04-12 Uros Bizjak <ubizjak@gmail.com>
507 * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
508 argument type to __m256i. Update call to __builtin_ia32_permvarsf256.
509 * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
510 (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
511 * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
512 Update builtin type to V8SF_FTYPE_V8SF_V8SI.
513 (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
514 gen_avx2_permvarv8sf.
516 2012-04-16 Martin Jambor <mjambor@suse.cz>
518 Backported from mainline
520 2012-04-13 Martin Jambor <mjambor@suse.cz>
523 * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
524 fold_ctor_reference returns a zero constant.
526 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
528 Backported from mainline
529 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
531 * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
532 and __ILP32__ for x32.
534 2012-04-13 Tom de Vries <tom@codesourcery.com>
536 Backport from mainline r186418.
538 2012-04-13 Tom de Vries <tom@codesourcery.com>
540 * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
541 parameters vuse and vuse_escaped.
542 (find_duplicate): Init vuse1, vuse2 and vuse_escaped. Pass to
543 gsi_advance_bw_nondebug_nonlocal. Return if vuse_escaped and
546 2012-04-13 Richard Guenther <rguenther@suse.de>
548 PR tree-optimization/52969
549 * tree-if-conv.c (predicate_mem_writes): Properly gimplify
550 the condition for the COND_EXPR and handle predicate negation
551 by swapping the COND_EXPR arms.
553 2012-04-13 Richard Guenther <rguenther@suse.de>
556 * convert.c (convert_to_pointer): Remove special-casing of
559 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
561 Backport from mainline
562 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
565 * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
566 the list of options to enable the FCFID instruction.
567 (TARGET_EXTRA_BUILTINS): Adjust comment.
569 2012-04-12 Richard Guenther <rguenther@suse.de>
571 PR tree-optimization/52943
572 * tree-chrec.h (chrec_is_positive): Remove.
573 * tree-scalar-evolution.c (chrec_is_positive): Move ...
574 * tree-data-ref.c (chrec_is_positive): ... here. Make static.
575 Return false for a constant zero instead of negative.
576 (analyze_siv_subscript_cst_affine): Handle zero difference
577 in the initial condition explicitely.
579 2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
582 * varasm.c (process_pending_assemble_externals): Set
583 pending_assemble_externals_processed true.
584 (assemble_external): Call assemble_external_real if the pending
585 assemble externals have been processed.
587 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
590 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
591 the DECL generated for the special GOT helper.
593 2012-04-06 Walter Lee <walt@tilera.com>
595 Backport from mainline
596 2012-03-07 Walter Lee <walt@tilera.com>
598 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
599 REG_CFA_* notes for the stack pointer.
600 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
601 EH_RETURN_STACKADJ_RTX.
602 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
603 generate REG_CFA_* notes for the stack pointer.
604 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
605 by EH_RETURN_STACKADJ_RTX.
607 2012-04-06 Matt Turner <mattst88@gmail.com>
609 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
611 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
613 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
614 of the destination isn't also a FP_REGS register.
616 2012-04-03 Richard Guenther <rguenther@suse.de>
618 Backport from mainline
619 2012-03-02 Richard Guenther <rguenther@suse.de>
621 PR tree-optimization/52406
622 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
623 (struct indices): Add unconstrained_base member.
624 (struct dr_alias): Remove unused vops member.
625 (DR_UNCONSTRAINED_BASE): New define.
626 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
627 add indices to allow their disambiguation. Make DR_BASE_OBJECT
628 be an artificial access that covers the whole indexed object,
629 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
630 plain decl base-objects to their MEM_REF variant.
631 (dr_may_alias_p): When the base-object of either data reference
632 has unknown size use only points-to information.
633 (compute_affine_dependence): Make dumps easier to read and
635 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
636 DR_REF when looking for packed references.
637 (vect_supportable_dr_alignment): Likewise.
639 2012-04-03 Richard Guenther <rguenther@suse.de>
641 Backport from mainline
642 2012-03-15 Richard Guenther <rguenther@suse.de>
645 * tree-data-ref.c (subscript_dependence_tester_1): Check
646 all dimensions for non-conflicting access functions.
648 2012-04-03 Richard Guenther <rguenther@suse.de>
650 Backport from mainline
651 2012-03-06 Richard Guenther <rguenther@suse.de>
654 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
656 2012-03-23 Richard Guenther <rguenther@suse.de>
658 PR tree-optimization/52678
659 * tree-vectorizer.h (struct _stmt_vec_info): Add
660 loop_phi_evolution_part member.
661 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
662 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
663 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
664 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
665 Use the cached evolution part and the PHI nodes value from
666 the loop preheader edge instead of re-analyzing the evolution.
668 2012-03-26 Richard Guenther <rguenther@suse.de>
670 PR tree-optimization/52701
671 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
672 compute and set the evolution part of PHI nodes.
674 2012-03-30 Richard Guenther <rguenther@suse.de>
676 PR tree-optimization/52754
677 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
678 propagate arbitrary addresses into really plain dereferences.
680 2012-04-03 Jakub Jelinek <jakub@redhat.com>
682 PR tree-optimization/52835
683 * tree-data-ref.c (build_rdg): Return NULL if
684 compute_data_dependences_for_loop failed.
686 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
688 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
689 (stmt_can_make_abnormal_goto): Use it.
690 (is_ctrl_altering_stmt): Likewise.
692 2012-03-31 Martin Jambor <mjambor@suse.cz>
694 Backported from mainline
695 2012-03-30 Martin Jambor <mjambor@suse.cz>
697 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
698 is a builtin_stack_save in a dominating BB.
700 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
702 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
703 crossing 128bit lane boundary.
705 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
707 Backported from mainline
708 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
711 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
713 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
714 * config/i386/i386.c: Include reload.h.
715 (ix86_legitimize_reload_address): New function.
717 2012-03-28 Martin Jambor <mjambor@suse.cz>
719 Backported from mainline
720 2012-03-27 Martin Jambor <mjambor@suse.cz>
723 * tree-sra.c (sra_modify_assign): Do not call
724 load_assign_lhs_subreplacements when working with an unscalarizable
727 2012-03-28 Jakub Jelinek <jakub@redhat.com>
730 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
731 __builtin_va_start to __builtin_next_arg if the latter is
732 builtin_decl_explicit_p rather than when it is not.
735 * tree-vect-generic.c (vector_element): Perform multiplication
736 for pos in bitsizetype type instead of idx type.
738 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
740 Backport from 2012-03-28 mainline r185910.
743 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
744 (avr_builtin_decl): New static function.
745 (struct avr_builtin_description, avr_bdesc): Move up.
746 Add GTY marker. Add field fndecl. Remove redundant field id.
747 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
748 (avr_expand_builtin): Code cleanup because .id is removed.
750 2012-03-28 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
753 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
756 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
758 Backport from 2012-03-28 mainline r185907.
761 * config.gcc (tm_file): Remove avr/multilib.h.
763 * doc/invoke.texi (AVR Options): Adjust
764 documentation of -mtiny-stack.
766 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
767 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
768 * config/avr/t-avr: Remove generation of multilib.h.
769 * config/avr/t-multilib: Regenerate.
770 * config/avr/multilib.h: Remove.
771 * config/avr/avr.opt (-msp8): New option.
772 (avr_sp8): New variable.
773 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
774 * config/avr/avr.h (AVR_HAVE_SPH): New define.
775 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
776 (avr_device_to_sp8): New prototype.
777 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
778 (DRIVER_SELF_SPECS): New define.
779 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
780 __AVR_SP8__, __AVR_HAVE_SPH__.
781 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
782 AVR_HAVE_8BIT_SP to decide if SP_H is present.
783 (avr_file_start): Ditto.
785 2012-03-28 Jakub Jelinek <jakub@redhat.com>
788 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
789 instead of 8 in adjust_address.
791 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
793 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
794 of a unit before computing the offset in units.
796 2012-03-27 Richard Guenther <rguenther@suse.de>
799 * fold-const.c (try_move_mult_to_index): Handle &x.array more
802 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
805 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
807 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
810 * varasm.c: Include pointer-set.h.
811 (pending_assemble_externals_set): New pointer set.
812 (process_pending_assemble_externals): Destroy the pointer set.
813 (assemble_external): See if decl is in pending_assemble_externals_set,
814 and add it to pending_assemble_externals if necessary.
815 (init_varasm_once): Allocate pending_assemble_externals_set.
817 2012-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
819 Backported from mainline
820 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
823 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
824 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
825 (vector_ltgt<mode>): Likewise.
826 (vector_ordered<mode>): Likewise.
827 (vector_unordered<mode>): Likewise.
828 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
830 2012-03-23 Joern Rennecke <joern.rennecke@embecosm.com>
832 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
835 2012-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
837 Backported from mainline
838 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
842 * config/sh/sh.c (sh_register_move_cost): Increase cost between
843 GENERAL_REGS and FP_REGS for SImode.
845 2012-03-22 Jakub Jelinek <jakub@redhat.com>
848 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
849 on any new_local_var_chain vars declared during recursing on
850 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
852 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
854 Backport from 2012-03-22 mainline r185692.
857 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
858 (unspecv): Add UNSPECV_MEMORY_BARRIER.
859 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
860 (delay_cycles_1, delay_cycles_2): Ditto.
861 (delay_cycles_3, delay_cycles_4): Ditto.
862 (nopv, *nopv): Ditto.
863 (sleep, *sleep): Ditto.
866 Backport from 2012-03-21 mainline r185605.
868 PR rtl-optimization/52543
870 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
871 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
872 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
873 (avr_load_libgcc_p): Restrict to __flash loads.
874 (avr_out_lpm): Only handle 1-byte loads from __flash.
875 (avr_load_lpm): New function.
876 (avr_find_unused_d_reg): Remove.
877 (avr_out_lpm_no_lpmx): Remove.
878 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
879 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
880 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
881 (load_<mode>, load_<mode>_clobber): New insns.
882 (mov<mode>): For multi-byte move from non-generic
883 16-bit address spaces: Expand to load_<mode> resp.
885 (load<mode>_libgcc): Remove expander.
886 (split-lpmx): Remove split.
888 Backport from 2012-03-13 mainline r185329.
891 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
892 offset (size) to a value the insns can deal with.
893 (expand_epilogue): Ditto.
895 Backport from 2012-03-12 mainline r185256.
898 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
899 type from reg_class_t to enum reg_class.
900 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
902 Backport from 2012-03-12 mainline r185253.
905 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
906 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
907 r184615 from 2012-02-28.
909 Backport from 2012-03-08 mainline r185105.
911 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
912 for constants in [-63,63].
914 Backport from 2012-03-08 mainline r185100.
917 * config/avr/avr.c (avr_mem_clobber): New static function.
918 (avr_expand_delay_cycles): Add memory clobber operand to
919 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
920 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
921 (enable_interrupt, disable_interrupt): New expander.
922 (nopv, sleep, wdr): New expanders.
923 (delay_cycles_1): Add memory clobber.
924 (delay_cycles_2): Add memory clobber.
925 (delay_cycles_3): Add memory clobber.
926 (delay_cycles_4): Add memory clobber.
927 (cli_sei): New insn from former "enable_interrupt",
928 "disable_interrupt" with memory clobber.
929 (*wdt): New insn from former "wdt" with memory clobber.
930 (*nopv): Similar, but for "nopv".
931 (*sleep): Similar, but for "sleep".
933 Backport from 2012-03-07 mainline r185043.
936 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
938 Backport from 2012-03-07 mainline r185032.
941 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
942 to: RAMPZ, RAMPY, RAMPX, RAMPD.
943 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
945 Backport from 2012-03-07 mainline r185031.
948 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
950 * config/avr/avr.md (xload_8): Adjust insn length.
952 Backport from 2012-03-07 mainline r185030.
955 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
956 if RAMPZ affects reading from RAM.
958 Backport from 2012-03-05 mainline r184919.
960 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
962 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
964 Backport from mainline r185259.
967 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
968 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
970 2012-03-22 Jakub Jelinek <jakub@redhat.com>
972 Backported from mainline
973 2012-03-13 Jakub Jelinek <jakub@redhat.com>
976 * c-parser.c (c_parser_postfix_expression)
977 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
979 * config/i386/smmintrin.h: Avoid /* within a comment.
980 * config/i386/nmmintrin.h: Likewise.
982 2012-03-22 Richard Guenther <rguenther@suse.de>
984 * BASE-VER: Set to 4.7.1.
985 * DEV-PHASE: Set to prerelease.
987 2012-03-22 Release Manager
989 * GCC 4.7.0 released.
991 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
993 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
995 2012-03-15 Jakub Jelinek <jakub@redhat.com>
996 Andrew Pinski <apinski@cavium.com>
999 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
1000 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
1001 calls instead of __builtin_ir{int,ound}*.
1003 2012-03-14 Jakub Jelinek <jakub@redhat.com>
1006 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
1009 2012-03-13 Joseph Myers <joseph@codesourcery.com>
1011 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
1012 Refer to GCC 4.7 version of c99status.html.
1014 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
1016 Backport from mainline
1017 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1019 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
1020 redefine to be NULL if the current bit-size is different from the
1021 configured bit-size.
1023 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
1024 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
1025 set the default tuning. Add asserts to make sure the cpu and tune
1026 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
1027 test whether the index is set, instead of > 0.
1028 (rs6000_file_start): Do not reset the default cpu if the current
1029 bit-size is different from the configured bit-size.
1031 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1033 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
1035 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
1036 Update binutils references.
1037 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
1038 Update binutils reference.
1039 Update Sun as/GNU ld caveat.
1040 Document binutils largefile requirement for LTO plugin.
1041 Remove reference to alternate libpthread.
1043 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1045 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
1047 (Specific, mips-sgi-irix6): Likewise.
1049 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1051 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
1052 * configure: Regenerate.
1054 2012-03-07 Richard Henderson <rth@redhat.com>
1056 * config/m68k/m68k.h (ISA_HAS_TAS): New.
1057 * config/m68k/sync.md (atomic_test_and_set): Use it.
1058 (atomic_test_and_set_1): Likewise.
1060 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
1063 * Makefile.in: Let install-gcc-ar depend on installdirs,
1064 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
1065 Don't double canonicalize if cross-compiling.
1067 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
1069 * trans-mem.c: New typedef for tm_region_p.
1070 Define vector types for tm_region_p.
1071 (tm_region_init): Replace region_worklist to a vector called
1074 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
1077 * trans-mem.c (tm_region_init): Use last_basic_block.
1079 2012-03-05 Richard Henderson <rth@redhat.com>
1082 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
1083 * omp-low.c (expand_omp_atomic): Assume anything aligned to
1084 BIGGEST_ALIGNMENT is aligned.
1086 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
1088 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
1090 2012-03-05 Richard Henderson <rth@redhat.com>
1093 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
1094 instead of calling negqi2 directly.
1096 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1098 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
1099 (INTMAX_TYPE): Use it.
1100 (UINTMAX_TYPE): Likewise.
1101 (SUBTARGET_OVERRIDE_OPTIONS): Define.
1102 (irix6_c_common_override_options): Declare.
1103 (C_COMMON_OVERRIDE_OPTIONS): Define.
1104 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
1105 * config/mips/irix6-c.c: New file.
1106 * config/mips/t-irix6 (irix6-c.o): New target.
1107 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
1110 2012-03-02 Richard Henderson <rth@redhat.com>
1112 * optabs.c (expand_atomic_test_and_set): Honor
1113 atomic_test_and_set_trueval even when atomic_test_and_set
1114 optab is not in use.
1116 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
1118 Backport from mainline
1119 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
1121 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
1123 2012-03-02 Richard Guenther <rguenther@suse.de>
1125 * DEV-PHASE: Set to prerelease.
1127 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
1129 * config.gcc (obsolete): Add all ARM targets using the FPA.
1130 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
1131 * doc/install.texi: Avoid references to obsolete ARM ports.
1133 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
1135 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
1137 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
1138 Joern Rennecke <joern.rennecke@embecosm.com>
1140 * doc/extend.texi: Expand and update information on interrupt
1141 attribute for Epiphany.
1143 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1145 * config/sh/sh-protos.h: Update copyright notice dates.
1146 * config/sh/sh.h: Likewise.
1147 * config/sh/sh.md: Likewise.
1148 * config/sh/constraints.md: Likewise.
1149 * config/sh/predicates.md: Likewise.
1151 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1153 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1154 * config/sh/sh.c (tertiary_reload_operand): Likewise.
1156 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1158 * config/sh/constraints.md: Fix comment typo.
1160 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1163 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
1164 unsigned HOST_WIDE_INT.
1165 (zvdep_imm64): Likewise.
1166 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
1167 (vdepi_and): Likewise.
1168 Likewise for unamed 64-bit patterns.
1169 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
1171 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
1174 PR rtl-optimization/52417
1175 * cselib.c (cselib_any_perm_equivs): New variable.
1176 (cselib_reset_table): Check that it's not set when not
1177 preserving constants.
1178 (cselib_add_permanent_equiv): Set it.
1179 (cselib_have_permanent_equivalences): New.
1180 (cselib_init, cselib_finish): Reset it.
1181 * cselib.h (cselib_have_permanent_equivalences): Declare.
1182 * alias.c (get_addr): Restore earlier behavior when there
1183 aren't permanent equivalences.
1185 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
1187 * config/mn10300/mn10300-modes.def: Fix copyright notice.
1188 * config/v850/v850-modes.def: Fix copyright notice.
1190 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
1192 * doc/extend.texi (AVR Built-in Functions): Document
1193 __builtin_avr_flash_segment.
1195 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
1196 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
1197 (*split.flash_segment): New insn-and-split.
1198 * config/avr/avr.c (avr_init_builtins): Add local variables:
1199 const_memx_void_node, const_memx_ptr_type_node,
1200 char_ftype_const_memx_ptr.
1202 2012-03-01 Jakub Jelinek <jakub@redhat.com>
1204 PR tree-optimization/52445
1205 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
1206 add ssa_name_ver, offset and size fields and change store field
1208 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
1209 (add_or_mark_expr): Likewise. Only consider previous stores
1210 with the same size and offset.
1211 (nt_init_block): Only look at gimple_assign_single_p stmts,
1212 doesn't look at rhs2.
1214 2012-03-01 Richard Guenther <rguenther@suse.de>
1217 * tree-cfg.c (verify_gimple_assign_unary): Allow any
1218 conversions from integral types to pointer types.
1220 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
1222 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
1223 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
1224 unintentionally removed in r184616.
1226 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
1228 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
1231 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1232 Uros Bizjak <ubizjak@gmail.com>
1235 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
1236 alternatives, add "e" constraint to the new last alternative
1237 and ! to last 3 alternatives.
1239 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
1241 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
1242 DW_AT_artificial attributes at the end of the processing.
1243 (gen_array_type_die): Likewise.
1244 (gen_enumeration_type_die): Likewise.
1245 (gen_struct_or_union_type_die): Likewise.
1246 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
1249 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1252 * expr.c (expand_assignment): If doing misaligned store that doesn't
1253 cover all mode bits, perform a RMW cycle.
1255 PR tree-optimization/52429
1256 * tree-parloops.c (separate_decls_in_region_debug): Return early
1257 if var is LABEL_DECL.
1259 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1261 PR tree-optimization/52424
1262 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
1263 calling dom_thread_across_edge.
1265 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1267 * config/avr/avr.c: Move definition of TARGET macros to end of file.
1269 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1271 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
1272 * config/avr/avr.c (avr_output_bld): Remove unused function.
1273 (avr_out_sbxx_branch): Use "%T" to print bit position.
1275 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1277 * config/avr/avr.md: Untabify.
1279 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1281 * config/avr/avr.md (eqne): New code iterator.
1282 (*dec-and-branchsi): Use it in text peephole's condition.
1283 (*dec-and-branchhi): Ditto.
1284 (*dec-and-branchqi): Ditto.
1286 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1289 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
1290 the device does not have the skip-bug.
1292 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
1294 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
1295 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
1296 -mpretend-cmove): New.
1298 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1301 * df.h (struct df_d): Adjust comment that hard_regs_live_count
1302 doesn't count DEBUG_INSN refs.
1303 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
1304 for DEBUG_INSN refs.
1306 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1310 2012-02-20 Richard Guenther <rguenther@suse.de>
1311 PR tree-optimization/52298
1312 * tree-vect-stmts.c (vectorizable_load): Properly use
1313 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1316 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
1319 * gimple.h (gimple_in_transaction): New.
1320 (gimple_set_in_transaction): New.
1321 (struct gimple_statement_base): Add in_transaction field.
1322 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
1324 (tree_ssa_lim_initialize): Compute transaction bits.
1325 * tree.h (compute_transaction_bits): Protoize.
1326 * trans-mem.c (tm_region_init): Use the heap to store BB
1328 (compute_transaction_bits): New.
1330 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1332 * gcc.c (display_help): Document --help=common and sort entries
1335 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1337 * doc/install.texi: Document check-$LANG specific shortcuts
1339 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1342 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
1344 * config/arm/arm_neon.h: Regenerate.
1345 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
1346 (neon_vcgeu): New insn.
1347 (neon_vcgtu): Likewise.
1348 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
1349 (ops): Unsigned comparison intrinsics call a different
1352 2012-02-28 Richard Guenther <rguenther@suse.de>
1355 * config/i386/i386.c (ix86_expand_vector_set): Fix element
1356 ordering for the VEC_CONCAT for two element vectors for
1357 V2SFmode, V2SImode and V2DImode.
1359 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
1362 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
1363 detecting big-endian triplets.
1365 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
1367 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
1368 mode if there is no type information available.
1370 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
1372 PR tree-optimization/53207
1373 * doc/invoke.texi: Document as experimental and relying on graphite.
1375 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1377 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
1378 of initializer to changes from r184614.
1380 2012-02-28 Richard Guenther <rguenther@suse.de>
1382 PR tree-optimization/52395
1383 * tree-sra.c (build_ref_for_offset): Also look at the base
1384 TYPE_ALIGN when figuring out the alignment of the replacement.
1386 2012-02-28 Richard Guenther <rguenther@suse.de>
1388 PR tree-optimization/52402
1389 * ipa-prop.c (ipa_modify_call_arguments): Properly use
1390 mis-aligned types when creating the accesses at the call site.
1392 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1394 * config/avr/builtins.def: New file.
1395 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
1396 * config/avr/avr.c (enum avr_builtin_id): Use it.
1397 (avr_init_builtins): Use it. And use avr_bdesc.
1398 (bdesc_1arg): Remove.
1399 (bdesc_2arg): Remove.
1400 (bdesc_3arg): Remove.
1401 (struct avr_builtin_description): Add field n_args.
1402 (avr_bdesc): New static variable using builtins.def.
1403 (avr_expand_builtin): Use it.
1404 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
1405 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
1406 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
1408 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1411 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
1412 match only one single hard register with respective hard reg rtx.
1413 (movmemx_<mode>): Ditto.
1414 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
1415 insn anatomy of movmem[x]_<mode>.
1416 (avr_out_movmem): Same for printing assembler and operand usage.
1418 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1422 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
1423 address spaces located outside of device flash.
1425 * config/avr/avr.h (base_arch_s): Remove field n_segments.
1426 (mcu_type_s): Add field n_flash.
1427 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
1428 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
1429 (AVR_MCU): Add N_FLASH argument.
1430 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
1431 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
1432 macro __FLASH<n> if that address space makes sense for the device.
1433 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
1434 outside of target flash.
1435 (avr_asm_named_section): Ditto.
1436 (avr_asm_select_section): Ditto.
1437 (avr_addr_space_convert): Ditto.
1438 (avr_emit_movmemhi): Ditto.
1439 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
1440 address space is outside of device flash.
1441 (avr_insert_attributes): Ditto.
1442 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
1443 avr_current_arch->n_segments.
1445 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
1448 * config/i386/i386.md (*movabs<mode>_1): Enable only for
1450 (*movabs<mode>_2): Likewise.
1452 2012-02-27 Jakub Jelinek <jakub@redhat.com>
1455 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
1456 s_register_operand in the test instead of REG_P. Don't call
1457 gen_reg_rtx if it won't be used.
1459 PR tree-optimization/52376
1460 * ipa-split.c (split_function): Ignore CLOBBER stmts.
1462 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
1464 * ifcvt.c (noce_get_condition): Check condition variable is not
1465 small_register_classes_for_mode_p before accepting.
1467 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
1469 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1471 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1474 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1475 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1477 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1479 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
1481 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1483 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
1485 * config/sh/predicates.md: Remove blank lines.
1486 * config/sh/sh.c: Fix typos in comments.
1487 * config/sh/constraints.md: Likewise.
1488 * config/sh/sh.md: Remove blank lines.
1489 Fix typos in comments. Use ;; as comment characters.
1491 2012-02-26 Walter Lee <walt@tilera.com>
1493 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1494 (replace_mov_pcrel_step2): Ditto.
1496 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
1499 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1500 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
1501 and locs that reference values newer than the non-canonical value
1502 at hand. Return the canonical value as a worst case.
1503 (memrefs_conflict_p): Walk canonical value's locs.
1506 * cselib.c (preserve_only_constants): Rename to...
1507 (preserve_constants_and_equivs): ... this. Split out...
1508 (invariant_or_equiv_p): ... this. Preserve plus expressions
1509 of other preserved expressions too.
1510 (cselib_reset_table): Adjust.
1511 * var-tracking.c (reverse_op): Use canonical value to build
1514 2012-02-23 Kai Tietz <ktietz@redhat.com>
1516 * config/i386/i386.c (ix86_delegitimize_address): Handle
1517 UNSPEC_PCREL plus displacement.
1519 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
1522 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1523 to test for unusedness in st X addressing.
1525 2012-02-24 Richard Guenther <rguenther@suse.de>
1528 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1529 (is_gimple_reg_type): Move inline ...
1530 * gimple.h (is_gimple_reg_type): ... here.
1532 2012-02-24 Richard Guenther <rguenther@suse.de>
1535 * passes.c (execute_function_todo): When verifying SSA form
1536 verify gimple form first.
1537 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1539 2012-02-24 Richard Guenther <rguenther@suse.de>
1542 * fold-const.c (fold_addr_of_array_ref_difference): New function.
1543 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1545 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1547 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1549 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1551 * tree-phinodes.c (make_phi_node): Mark static.
1552 * tree-flow.h (make_phi_node): Remove extern decl.
1553 * doc/gimple.texi (make_phi_node): Remove documentation.
1555 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1557 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1558 * tree-ssa-sccvn.c (print_scc): Ditto.
1560 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1562 * doc/passes.texi (Full redundancy elimination): Fix typo.
1564 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1566 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1568 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
1571 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1573 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
1576 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1578 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
1580 * config/avr/avr.md (code_stdname): Add ior, xor.
1581 (xior): New code iterator.
1582 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1583 (*<code_stdname><mode>qi.byte1-3): Ditto.
1585 2012-02-23 Jakub Jelinek <jakub@redhat.com>
1587 PR tree-optimization/52019
1588 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1591 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1593 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1594 HAVE_INITFINI_ARRAY to work around namespace pollution in
1595 certain versions of newlib system headers.
1596 * config.in: Regenerate.
1597 * configure: Regenerate.
1598 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1599 instead of HAVE_INITFINI_ARRAY.
1601 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
1604 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1605 is not offsettable memory reference.
1607 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1610 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1611 setting avr_need_clear_bss_p for __gnu_lto* symbols.
1613 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1615 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1616 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1618 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1620 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1621 library on Solaris 8 even without TLS support.
1622 * configure: Regenerate.
1624 2012-02-22 Richard Guenther <rguenther@suse.de>
1627 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1628 for GIMPLE_DEBUG stmts.
1630 2012-02-22 Martin Jambor <mjambor@suse.cz>
1633 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1634 according to the base object.
1636 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1638 PR rtl-optimization/50063
1639 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1640 and 2 (8-bit SP) in operand 2.
1641 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1642 setup to use movhi_sp_r instead of vanilla move to write SP.
1643 Adjust REG_CFA notes to superseed unspec.
1644 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1646 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1647 known to be off) only with TARGET_NO_INTERRUPTS. Never use
1648 irq_state 1 (IRQ known to be on) here.
1650 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
1652 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1654 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1655 assign_hard_reg): Likewise.
1657 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1659 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1661 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1664 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1665 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1667 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1669 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1670 prototype from here to...
1671 * config/avr/avr.h: ...here.
1673 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
1676 * thumb2.md (thumb2_shiftsi3_short): Split register and
1677 immediate shifts. For register shifts tie operands 0 and 1.
1678 (peephole2 for above): Check that register-controlled shifts
1679 have suitably tied operands.
1681 2012-02-21 Quentin Neill <quentin.neill@amd.com>
1684 * config/i386/bdver1.md (bdver1_call, bdver1_push,
1685 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1686 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1687 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1688 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1689 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1690 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1691 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1692 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1693 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1694 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1695 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1696 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1697 bdver1_ssevector_avx256_unaligned_load,
1698 bdver1_ssevector_sse128_unaligned_load,
1699 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1700 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1701 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1702 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1703 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1704 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1705 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1706 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1707 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1708 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1709 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1710 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1711 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1712 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1713 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1714 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1715 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1716 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1717 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1718 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1719 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1720 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1721 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1722 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1723 bdver1_ssediv_double_load, bdver1_ssediv_double,
1724 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1725 Add "bdver2" attribute.
1727 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1729 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1730 default if possible and not specified otherwise.
1732 2012-02-21 Richard Guenther <rguenther@suse.de>
1735 * gimplify.c (create_tmp_from_val): Use the main variant type
1736 for the type of the temporary we create.
1738 2012-02-21 Richard Guenther <rguenther@suse.de>
1740 PR tree-optimization/52324
1741 * gimplify.c (gimplify_expr): When re-gimplifying expressions
1742 do not gimplify a MEM_REF address operand if it is already
1745 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1747 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1748 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1750 2012-02-21 Richard Guenther <rguenther@suse.de>
1752 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1753 nested_in_vect_loop.
1755 2012-02-21 Jakub Jelinek <jakub@redhat.com>
1757 PR tree-optimization/52318
1758 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1759 vdef also to non-pure/const call stmts in the sequence.
1761 2012-02-20 David S. Miller <davem@davemloft.net>
1763 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1764 don't use the "rd %pc" instruction on v9 for PIC register loads.
1766 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
1769 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1770 in a transaction safe function.
1772 2012-02-20 Kai Tietz <ktietz@redhat.com>
1775 * stor-layout.c (place_field): Handle desired_align for
1778 2012-02-20 Richard Guenther <rguenther@suse.de>
1780 PR tree-optimization/52298
1781 * tree-vect-stmts.c (vectorizable_store): Properly use
1782 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1784 (vectorizable_load): Likewise.
1785 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1786 Access DR_STEP after ensuring it is not NULL.
1788 2012-02-20 Jakub Jelinek <jakub@redhat.com>
1790 PR tree-optimization/52286
1791 * fold-const.c (fold_binary_loc): For (X & C1) | C2
1792 optimization use double_int_to_tree instead of build_int_cst_wide,
1793 rewrite to use double_int vars.
1795 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1798 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1800 Remove -e 0 from $gcc_cv_ld invocation.
1801 Only use __GLIBC_PREREQ if defined.
1802 Enable on Solaris since Solaris 8 patch.
1803 (gcc_SUN_LD_VERSION): New macro.
1804 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1805 gcc_SUN_LD_VERSION for version number format.
1806 * configure: Regenerate.
1807 * varasm.c (get_elf_initfini_array_priority_section): Set
1808 SECTION_NOTYPE for non-default priority.
1809 Use get_section instead of get_unnamed_section to emit
1810 .init_array/.fini_array with default priority.
1812 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1814 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1815 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
1816 (mips_start_unique_function, mips_output_mips16_rdhwr)
1817 (mips_code_end): New functions.
1818 (TARGET_ASM_CODE_END): Define.
1820 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1822 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1823 to stubs with non-sibling calls.
1825 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
1827 * doc/invoke.texi (-fira-* options): Copy-edit.
1828 (ira-* parameters): Copy-edit.
1830 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1832 * doc/invoke.texi: Minor copy-edits to bring into conformance with
1833 GCC coding conventions.
1835 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1837 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1838 when used as adjectives.
1840 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
1842 * doc/invoke.texi: Clean up "that"/"which" confusion.
1844 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
1846 * system.h: Poison SMALL_REGISTER_CLASSES
1847 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1848 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1850 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1852 PR tree-optimization/52285
1853 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1854 when deciding if a call is a tail call or tail recursion.
1856 2012-02-16 Kai Tietz <ktietz@redhat.com>
1858 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1859 interger-constant displacement for UNSPEC_PCREL.
1861 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1863 PR rtl-optimization/52208
1864 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1865 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1867 PR tree-optimization/52255
1868 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1869 loop->header has virtual PHI, but exit_e->dest doesn't, add
1870 virtual PHI to exit_e->dest and adjust all uses after the loop.
1873 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1874 children with clone_tree_hash, not after it.
1876 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
1878 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1879 extended identifiers.
1881 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1884 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1885 a same_body_alias, also test whether e->callee isn't a former
1886 or current clone of the decl this is a same body alias of.
1888 PR translation/52264
1889 * cgraphunit.c (verify_cgraph_node): Fix a typo.
1891 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
1893 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1895 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
1898 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1899 force_reg instead of copy_to_reg for better optimization. Force
1900 non-register or memory operands into a register.
1902 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
1904 * extend.texi: Reserve upper bits of memory model for future use.
1906 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
1907 Anatoly Sokolov <aesok@post.ru>
1908 Eric Weddington <eric.weddington@atmel.com>
1911 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1912 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1913 Rewrite initializers for .macro.
1914 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1915 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1916 atxmega32d4, atxmega32x1.
1917 avrxmega4: atxmega64a3, atxmega64d3.
1918 avrxmega5: atxmega64a1, atxmega64a1u.
1919 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1920 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1921 avrxmega7: atxmega128a1, atxmega128a1u.
1922 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1923 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1924 (struct base_arch_s): Rename reserved to xmega_p.
1925 Rename reserved2 to have_rampd.
1926 (AVR_XMEGA): New define.
1927 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1928 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1929 * config/avr/predicates.md (io_address_operand): Take into
1931 (low_io_address_operand): Ditto.
1932 (high_io_address_operand): Ditto.
1933 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1934 (enabled, movhi_sp_r): Use them.
1935 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1936 cpp_define_formatted to built-in define __AVR_ARCH__.
1937 (__AVR_XMEGA__): New built-in define.
1938 (__AVR_HAVE_RAMPD__): New built-in define.
1939 (__AVR_HAVE_RAMPX__): New built-in define.
1940 (__AVR_HAVE_RAMPY__): New built-in define.
1941 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1943 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1944 (avr_option_override): Initialize them.
1945 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1946 (avr_init_expanders): Initialize them. No more block several calls.
1947 (emit_push_sfr): New static function.
1948 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1950 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1951 (avr_print_operand): Print addreeses as symbols for
1952 RAMPX, RAMPY, RAMPD, CCP.
1953 (output_movhi): Handle AVR_XMEGA when writing to SP.
1954 (avr_out_movhi_mr_r_xmega): New static function.
1955 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1956 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
1957 __RAMPD__, __CCP__ as needed.
1959 * config/avr/multilib.h: Regenerate.
1960 * config/avr/t-multilib: Regenerate.
1961 * config/avr/avr-tables.opt: Regenerate.
1963 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
1965 PR tree-optimization/50561
1966 * graphite-flattening.c (lst_project_loop): Do not
1967 remove old scattering dimensions after flattening.
1968 (lst_do_flatten): Likewise.
1970 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
1972 * doc/extend.texi (AVR Built-in Functions): Remove doc for
1973 __builtin_avr_map8, __builtin_avr_map16.
1974 Document __builtin_avr_insert_bits.
1976 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1977 (insert_bits): New insn.
1978 (adjust_len.map_bits): Rename to insert_bits.
1979 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1980 * avr-protos.h (avr_out_map_bits): Remove.
1981 (avr_out_insert_bits, avr_has_nibble_0xf): New.
1982 * config/avr/constraints.md (Cxf,C0f): New.
1983 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1984 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1985 New built-in define __BUILTIN_AVR_INSERT_BITS.
1986 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1987 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1988 (avr_move_bits): Rewrite.
1989 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1991 (avr_map_op_t): New typedef.
1992 (avr_map_op): New static variable.
1993 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1994 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1995 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1996 (bdesc_3arg, avr_expand_triop_builtin): New.
1997 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1998 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1999 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
2000 (avr_map_equal_p, avr_map_sig_p): Remove.
2001 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
2002 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2003 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
2004 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2005 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
2006 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2008 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
2010 * config/c6x/c6x.md (reserve_cycles): New attribute.
2011 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
2012 don't reserve functional units after the branch occurs.
2014 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
2017 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
2018 functions into non-tm_pure functions.
2020 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
2023 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
2024 (iterative_hash_canonical_type): Likewise.
2025 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
2028 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
2030 * haifa-sched.c (prune_ready_list): Ensure that if there is a
2031 sched-group insn, it either remains alone or the entire list is pruned.
2033 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
2035 * doc/install.texi (Prerequisites): Fix grammar.
2036 (Configuration): Likewise.
2038 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
2040 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
2041 MPC as part of GCC before describing configuring with --with-gmp etc.
2042 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
2043 sources are present.
2045 2012-02-14 Jakub Jelinek <jakub@redhat.com>
2048 * dwarf2out.c (clone_tree_hash): New function.
2049 (copy_decls_walk): Use it instead of clone_tree.
2051 2012-02-14 Richard Guenther <rguenther@suse.de>
2053 PR tree-optimization/52244
2054 PR tree-optimization/51528
2055 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
2056 replacements for integral types.
2058 2012-02-14 Walter Lee <walt@tilera.com>
2060 * config.gcc: Handle tilegx and tilepro.
2061 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
2063 Add HAVE_AS_TLS check for tilegx and tilepro.
2064 * configure: Regenerate.
2065 * doc/contrib.texi: Add Mat Hostetter and self.
2066 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
2067 Document instruction intrinsics and network accessing intrinsics.
2068 (TILEPro Built-in Functions): New node. Document instruction
2069 intrinsics and network accessing intrinsics.
2070 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
2071 (Specific, tilepro-*-linux*): Likewise.
2072 * doc/invoke.texi (TILE-Gx Options): New section.
2073 (TILEPro Options): New section.
2074 * doc/md.texi (TILE-Gx): New section.
2075 (TILEPro): New section.
2076 * common/config/tilegx/tilegx-common.c: New file.
2077 * common/config/tilepro/tilepro-common.c: New file.
2078 * config/tilegx/constraints.md: New file.
2079 * config/tilegx/linux.h: New file.
2080 * config/tilegx/mul-tables.c: New file.
2081 * config/tilegx/predicates.md: New file.
2082 * config/tilegx/sync.md: New file.
2083 * config/tilegx/t-tilegx: New file.
2084 * config/tilegx/tilegx-builtins.h: New file.
2085 * config/tilegx/tilegx-c.c: New file.
2086 * config/tilegx/tilegx-generic.md: New file.
2087 * config/tilegx/tilegx-modes.def: New file.
2088 * config/tilegx/tilegx-multiply.h: New file.
2089 * config/tilegx/tilegx-protos.h: New file.
2090 * config/tilegx/tilegx.c: New file.
2091 * config/tilegx/tilegx.h: New file.
2092 * config/tilegx/tilegx.md: New file.
2093 * config/tilegx/tilegx.opt: New file.
2094 * config/tilepro/constraints.md: New file.
2095 * config/tilepro/gen-mul-tables.cc: New file.
2096 * config/tilepro/linux.h: New file.
2097 * config/tilepro/mul-tables.c: New file.
2098 * config/tilepro/predicates.md: New file.
2099 * config/tilepro/t-tilepro: New file.
2100 * config/tilepro/tilepro-builtins.h: New file.
2101 * config/tilepro/tilepro-c.c: New file.
2102 * config/tilepro/tilepro-generic.md: New file.
2103 * config/tilepro/tilepro-modes.def: New file.
2104 * config/tilepro/tilepro-multiply.h: New file.
2105 * config/tilepro/tilepro-protos.h: New file.
2106 * config/tilepro/tilepro.c: New file.
2107 * config/tilepro/tilepro.h: New file.
2108 * config/tilepro/tilepro.md: New file.
2109 * config/tilepro/tilepro.opt: New file.
2111 2012-02-14 Jakub Jelinek <jakub@redhat.com>
2113 PR tree-optimization/52210
2114 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
2115 vect_model_simple_cost with two entry vect_def_type array instead
2116 of an address of dt.
2118 2012-02-14 Richard Guenther <rguenther@suse.de>
2121 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2122 Do not stream DECL_QUALIFIER.
2123 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2124 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
2125 (find_decls_types_r): Do not walk DECL_QUALIFIER.
2127 2012-02-14 Jakub Jelinek <jakub@redhat.com>
2130 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
2133 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2136 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
2137 * cselib.c (cselib_subst_to_values_from_insn): New function.
2138 * sched-deps.c (add_insn_mem_dependence,
2139 sched_analyze_1, sched_analyze_2): Use it.
2141 2012-02-13 Jan Hubicka <jh@suse.cz>
2144 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
2146 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
2148 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2149 (GTM_SELF_SPECS): Define if not already defined.
2150 (driver_self_specs): Add GTM_SELF_SPECS.
2151 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2152 (GTM_SELF_SPECS): Define.
2153 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2154 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2156 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2158 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2161 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
2164 * omp-low.c (expand_omp_for): If a static schedule without chunk size
2165 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
2167 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
2170 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
2172 2012-02-13 Richard Guenther <rguenther@suse.de>
2174 PR translation/52211
2175 * passes.c (enable_disable_pass): Fix typo.
2177 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2180 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
2181 XOR for reduce_bit_field if type is unsigned.
2183 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
2185 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
2186 disallow changes from SFmode to mode with different size in FP regs.
2188 2012-02-12 Robert Millan <rmh@gnu.org>
2189 Gerald Pfeifer <gerald@pfeifer.com>
2191 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
2194 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
2196 PR rtl-optimization/52175
2197 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
2198 to frame-related instructions.
2200 2012-02-10 Jason Merrill <jason@redhat.com>
2203 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2204 (demangle_new_symbols): Fill it.
2205 (scan_linker_output): Walk it.
2206 (start_tweaking): Split out from scan_linker_output.
2207 (maybe_tweak): Update sym->chosen.
2208 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
2210 2012-02-11 Jakub Jelinek <jakub@redhat.com>
2213 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
2215 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
2217 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2218 having the same mode as previous compare.
2220 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
2222 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
2223 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
2224 (nonlocal_goto_internal): Likewise.
2225 (nonlocal_goto): Emit a use and an indirect jump directly.
2227 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
2230 * doc/extend.texi : Update comments for __atomic_compare_exchange and
2231 __atomic_{is,always}_lock_free.
2233 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
2236 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
2237 negative constant address for x32.
2239 2012-02-10 Richard Henderson <rth@redhat.com>
2241 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
2242 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
2243 for GIMPLE_TRANSACTION. Tidy if's into a switch.
2245 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2246 Ira Rosen <irar@il.ibm.com>
2248 PR tree-optimization/50031
2249 * targhooks.c (default_builtin_vectorization_cost): Handle
2251 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
2252 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
2253 all types of reduction and pattern statements.
2254 (vect_estimate_min_profitable_iters): Likewise.
2255 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
2256 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
2257 for explicit realigns.
2258 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
2259 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
2261 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
2262 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
2263 vec_perm for VSX and handle vec_promote_demote.
2265 2012-02-10 Jakub Jelinek <jakub@redhat.com>
2268 * builtins.c (fold_builtin_atomic_always_lock_free,
2269 expand_builtin_atomic_always_lock_free,
2270 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
2271 Return and/or test boolean_true_node/boolean_false_node instead of
2272 integer_one_node/integer_zero_node.
2274 2012-02-10 Jan Hubicka <jh@suse.cz>
2277 * predict.c (predict_paths_for_bb): Prevent looping.
2278 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
2280 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
2282 * config/arm/arm.c (output_move_double): In one case properly
2283 count number of instructions that will be emitted.
2285 2012-02-10 Richard Guenther <rguenther@suse.de>
2287 PR translation/52193
2288 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
2290 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
2293 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
2295 2012-02-09 Jakub Jelinek <jakub@redhat.com>
2298 * var-tracking.c (emit_note_insn_var_location): If
2299 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
2300 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
2301 non-NOTE_DURING_CALL_P insn.
2303 2012-02-09 Bin Cheng <bin.cheng@arm.com>
2306 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
2308 2012-02-08 Magnus Granberg <zorry@gentoo.org>
2311 * gcc.c (switch_matches) Support switches with separated form,
2314 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
2316 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
2318 (RAMPZ_ADDR): Ditto.
2319 * config/avr/avr.c (avr_addr_t): New typedef.
2320 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
2321 (avr_init_expanders): Initialize it.
2322 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
2324 (expand_epilogue): Ditto.
2325 (avr_print_operand): Ditto.
2326 (avr_file_start): Ditto.
2327 (avr_emit_movmemhi): Ditto.
2329 2012-02-08 Richard Guenther <rguenther@suse.de>
2331 PR tree-optimization/46886
2332 * tree-flow.h (do_while_loop_p): Declare.
2333 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
2334 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
2336 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
2338 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
2339 always succeed for integers larger than a native word.
2341 2012-02-08 Richard Guenther <rguenther@suse.de>
2343 PR rtl-optimization/52170
2344 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
2345 properly handle integer vector modes.
2347 2012-02-08 Jakub Jelinek <jakub@redhat.com>
2349 PR gcov-profile/52150
2350 * coverage.c: Include target.h.
2351 (build_var): Call targetm.strip_name_encoding on the assembler name.
2352 Change one _ into . or $ if the target allows it.
2353 * Makefile.in (coverage.o): Depend on $(TARGET_H).
2355 PR rtl-optimization/52139
2356 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
2357 is a BARRIER after emit_insn_after_noloc, move BB_END
2358 to the last non-BARRIER insn before it.
2360 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
2363 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
2364 (mips_gimplify_va_arg_expr): Call it instead of
2365 std_gimplify_va_arg_expr.
2367 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
2369 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
2370 message for -mno-pointers-to-nested-function.
2372 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
2375 * expr.c (get_inner_reference): If there is an offset, add a negative
2376 bit position to it (if any).
2378 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2380 PR rtl-optimization/52060
2381 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
2382 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
2383 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
2384 and/or i0src_copy2 when needed.
2386 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2388 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
2389 or LTOPLUGINSONAME if have_c.
2391 * config/freebsd-spec.h: Add comment about what macros can be defined
2393 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
2394 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
2397 2012-02-07 Richard Guenther <rguenther@suse.de>
2399 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
2400 newline in -alias dumps.
2402 2012-02-07 Kai Tietz <ktietz@redhat.com>
2403 Dave Korn <dave.korn.cygwin@gmail.com>
2406 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2407 Take care that typinfo gets dllexport-attribute.
2409 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2412 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
2413 if modifier < EXPAND_SUM call force_operand on the result.
2415 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
2417 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
2418 adding __forwarder_dst__ prefix if a forwarder_section attribute is
2420 (epiphany_function_type): Replace types for specific interrupts with
2421 EPIPHANY_FUNCTION_INTERRUPT.
2422 (EPIPHANY_INTERRUPT_P): Update.
2423 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
2424 New static function.
2425 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
2426 <disinterrupt>: Affects type identity.
2427 (epiphany_handle_interrupt_attribute): Handle variable number of
2429 (epiphany_compute_function_type): Update for new
2430 epiphany_function_type definition.
2431 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
2432 handlers with a longcall forwarder.
2433 (epiphany_start_function): Handle multiple interrupt arguments and/or
2434 forwarder_section attribute.
2436 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
2439 2012-02-07 Alan Modra <amodra@gmail.com>
2442 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
2445 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2447 PR tree-optimization/50969
2448 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
2449 use vec_perm rather than vector_stmt.
2450 (vect_model_load_cost): Likewise.
2451 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
2452 vec_perm to be the same as other vector statements.
2453 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
2454 cost of vec_perm for TARGET_VSX.
2456 2012-02-06 Richard Guenther <rguenther@suse.de>
2458 PR tree-optimization/52115
2459 * tree-sra.c (access_has_replacements_p): New function.
2460 (sra_modify_assign): Use it to decide whether a use is uninitialized.
2462 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
2465 * trans-mem.c (expand_call_tm): Add an assertion.
2466 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2469 2012-02-06 Richard Guenther <rguenther@suse.de>
2471 PR tree-optimization/50955
2472 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2473 raise cost of expressions that replace an address with an
2474 expression based on a different pointer.
2476 2012-02-06 Jakub Jelinek <jakub@redhat.com>
2479 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2480 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2482 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
2485 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2486 -Weffc++ and specify guidelines come from second edition.
2488 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
2490 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2491 (sibcall_value_multiple_internal, call_split, call_internal_direct)
2492 (call_direct_split, call_value_split, call_value_internal_direct)
2493 (call_value_direct_split, call_value_multiple_split): Use jal and
2494 jal_macro attributes.
2496 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
2498 * reload1.c (reload_regs_reach_end_p): Replace with...
2499 (reload_reg_rtx_reaches_end_p): ...this function.
2500 (new_spill_reg_store): Update commentary.
2501 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2502 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2503 before setting new_spill_reg_store.
2504 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2505 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2506 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2507 for non-spill reload registers.
2509 2012-02-05 Ira Rosen <irar@il.ibm.com>
2511 PR tree-optimization/52091
2512 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2513 (vect_is_simple_use_1): Likewise.
2514 * tree-vect-loop.c (vectorizable_reduction): Update calls
2515 to vect_is_simple_use_1 and vect_is_simple_use.
2516 (vectorizable_live_operation): Likewise.
2517 * tree-vect-patterns.c (widened_name_p,
2518 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2519 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2520 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2521 vectorizable_shift,vectorizable_operation, vectorizable_store,
2522 vectorizable_load): Likewise.
2523 (vect_is_simple_cond): Add an argument, pass it to
2524 vect_is_simple_use_1.
2525 (vectorizable_condition): Update calls to vect_is_simple_cond,
2527 (vect_is_simple_use): Add an argument, the statement in which
2528 OPERAND is used. Check that if OPERAND's def stmt is a double
2529 reduction phi node, the use is a phi node too.
2530 (vect_is_simple_use_1): Add an argument, pass it to
2532 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2533 to vect_is_simple_use.
2535 2012-02-04 Jakub Jelinek <jakub@redhat.com>
2537 PR rtl-optimization/52095
2538 * modulo-sched.c (dump_insn_locator): New function.
2539 (loop_canon_p, sms_schedule): Use it.
2541 PR rtl-optimization/52113
2542 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2543 even for decomposable shift/zext insns.
2545 2012-02-03 Jakub Jelinek <jakub@redhat.com>
2546 Zdenek Dvorak <ook@ucw.cz>
2548 PR rtl-optimization/52092
2549 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2550 on get_iv_value result.
2552 2012-02-02 Andrew Pinski <apinski@cavium.com>
2556 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2558 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2561 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2563 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
2565 PR rtl-optimization/49800
2566 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2567 (sched_finish): Call regstat_free_n_sets_and_refs.
2569 2012-02-02 Jia Liu <proljc@gmail.com>
2571 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2574 2012-02-02 Jan Hubicka <jh@suse.cz>
2575 Tom de Vries <tom@codesourcery.com>
2578 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2579 * varpool.c (varpool_analyze_pending_decls): Likewise.
2581 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2582 Jayant R Sonar <jayant.sonar@kpitcummins.com>
2584 * config.gcc: Add cr16-* support.
2586 * doc/extend.texi: Document cr16 extensions.
2587 * doc/install.texi: Document cr16 install.
2588 * doc/invoke.texi: Document cr16 options.
2589 * doc/md.texi: Document cr16 constraints.
2591 * common/config/cr16/cr16-common.c: New file.
2592 * config/cr16/cr16.c: New file.
2593 * config/cr16/cr16.h: New file.
2594 * config/cr16/cr16.md: New file.
2595 * config/cr16/cr16.opt: New file.
2596 * config/cr16/cr16-protos.h: New file.
2597 * config/cr16/predicates.md: New file.
2598 * config/cr16/constraints.md: New file.
2599 * config/cr16/t-cr16: New file.
2601 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2604 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2605 that operands[2] is either immediate, or q_regs_operand.
2607 PR tree-optimization/52073
2608 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2609 a pattern stmt for pattern uses, ignore uses outside of the loop.
2611 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2613 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2614 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2615 (OUT_AS1, OUT_AS2): Remove.
2617 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2619 PR rtl-optimization/51374
2620 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2621 to cross other volatile_refs_p insns.
2623 2012-02-01 Richard Guenther <rguenther@suse.de>
2625 * doc/invoke.texi (fno-inline): Clarify documentation.
2626 (finline-small-functions): Likewise.
2627 (finline-functions): Likewise.
2628 * common.opt (finline): Adjust comment and documentation.
2629 (finline-small-functions): Clarify documentation.
2630 (finline-functions): Likewise.
2631 (finline-functions-called-once): Likewise.
2633 2012-02-01 Tristan Gingold <gingold@adacore.com>
2635 * c-typeck.c (composite_type): Keep mode for pointers.
2637 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
2639 * function.h (regno_reg_rtx): Adjust comment.
2640 * reginfo.c (init_reg_modes_target): Only use the previous mode
2641 if it fits within one register. Remove MIPS comment.
2643 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2646 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2648 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2650 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2651 to srak instruction.
2653 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2655 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2657 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2662 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2664 2012-01-31 Richard Guenther <rguenther@suse.de>
2666 PR tree-optimization/51528
2667 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2670 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2675 * ree.c (add_removable_extension): Change def_map argument
2676 to unsigned *, store in def_map 1 + offset into *insn_list vector
2677 instead of pointers into the vector.
2678 (find_removable_extensions): Adjust caller.
2680 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2682 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2683 Transform all "* quoted-c-code" to { c-code }.
2684 Remove redundant test for "optimize" in combine patterns.
2685 Move (include "avr-dimode.md") to end of file.
2687 2012-01-30 Bin Cheng <bin.cheng@arm.com>
2690 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2691 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2693 2012-01-30 Richard Guenther <rguenther@suse.de>
2695 PR tree-optimization/52028
2696 * tree-loop-distribution.c (ldist_gen): Properly update
2699 2012-01-30 Jakub Jelinek <jakub@redhat.com>
2702 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2703 set_cur_line_info_table if not emitting debug info.
2705 PR tree-optimization/52046
2706 * tree-vect-patterns.c (check_bool_pattern): Give up if
2707 a comparison could throw.
2710 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2712 2012-01-30 Richard Guenther <rguenther@suse.de>
2714 PR tree-optimization/52045
2715 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2716 SSA form if cfgcleanup did anything.
2718 2012-01-30 Richard Guenther <rguenther@suse.de>
2720 PR tree-optimization/52045
2721 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2722 before computing final todo.
2724 2012-01-30 Richard Guenther <rguenther@suse.de>
2726 PR tree-optimization/51528
2727 * tree-sra.c (sra_modify_assign): Re-factor in preparation
2730 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
2732 * df-problems.c (df_kill_notes): Check that the use refers
2733 to the note under examination.
2735 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
2738 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2739 parameter and use short-lived pseudos.
2740 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2741 (sparc_expand_vector_init): Const-ify local variables and adjust
2742 calls to above functions.
2744 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2746 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2748 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
2750 * doc/invoke.texi: Make usage of "compile time" and
2751 "run time"/"runtime" consistent throughout the file.
2753 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
2755 * config/alpha/alpha.c (alpha_option_override): Default to
2756 full IEEE compliance mode for Go language.
2758 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
2760 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2761 (LINK_SSP_SPEC): Define.
2763 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2766 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2769 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
2771 * doc/invoke.texi: Correct hyphenation of "floating point",
2772 "double precision", and related terminology throughout the file.
2774 2012-01-28 Jakub Jelinek <jakub@redhat.com>
2777 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2778 arm_general_register_operand predicate for operand 2 instead of
2781 2012-01-27 Ian Lance Taylor <iant@google.com>
2784 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2785 * builtins.c (expand_builtin_init_trampoline): Add onstack
2786 parameter. Change caller.
2787 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2788 * tree.c (build_common_builtin_nodes): Declare
2789 __builtin_init_heap_trampoline.
2791 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
2793 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2794 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2795 * config/avr/avr.c: Ditto.
2796 (avr_regnames): Remove because unused.
2797 * config/avr/avr.md (*cpse.ne): New peephole.
2798 (*cpse.eq): New peephole from former cpse peepholes.
2800 2012-01-27 Michael Eager <eager@eagercon.com>
2802 * config/microblaze.c (microblaze_emit_compare): Correct
2803 test after pcmp instruction.
2805 2012-01-27 Richard Guenther <rguenther@suse.de>
2807 PR tree-optimization/52020
2808 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2810 2012-01-27 Richard Guenther <rguenther@suse.de>
2812 * ipa-pure-const.c (check_stmt): Clobbers do not make a
2813 function non-const/pure.
2815 2012-01-27 Richard Guenther <rguenther@suse.de>
2817 PR tree-optimization/50444
2818 * tree-sra.c (build_ref_for_offset): Properly adjust the
2819 MEM_REF type for unaligned accesses.
2821 2012-01-27 Richard Guenther <rguenther@suse.de>
2823 PR tree-optimization/50444
2824 * expr.c (mem_ref_refers_to_non_mem_p): New function.
2825 (expand_assignment): Use it. Properly handle misaligned
2826 bases when expanding stores to component references.
2827 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2830 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
2833 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2834 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2835 * tree-data-ref.c (find_data_references_in_loop): Make static.
2836 (compute_all_dependences): Change return type to bool. Bail out
2837 for too many datarefs in a loop. Move the hunk resetting the data
2838 dependences vector from ...
2839 (compute_data_dependences_for_loop): ... here. Account for
2840 compute_all_dependences returning false.
2841 (compute_data_dependences_for_bb): Likewise.
2842 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2843 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2845 2012-01-27 Richard Guenther <rguenther@suse.de>
2848 * expr.c (store_field): Use the alias-set of the scratch memory
2851 2012-01-27 Tom de Vries <tom@codesourcery.com>
2853 PR tree-optimization/51990
2854 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2856 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2858 2012-01-27 Jakub Jelinek <jakub@redhat.com>
2861 * var-tracking.c (reverse_op): Don't add any reverse operation
2862 if V already has any constant locations.
2864 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2866 * doc/invoke.texi: Correct usage of "command line" (noun)
2867 vs "command-line" (adjective) throughout.
2869 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2871 * doc/invoke.texi (Language Independent Options): Move
2872 -Wcoverage-mismatch blurb from here....
2873 (Warning Options): ...to here.
2875 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
2877 * config/rs6000/rs6000.c (rs6000_option_override_internal):
2878 Set rs6000_always_hint to false for 476.
2880 2012-01-27 Matthias Klose <doko@ubuntu.com>
2882 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2884 * incpath.c (add_standard_paths): Likewise.
2886 2012-01-27 Richard Henderson <rth@redhat.com>
2888 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2889 * config/m68k/sync.md (atomic_test_and_set): Rename from
2890 sync_test_and_setqi and adjust the operands.
2891 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2892 and unconditionally enable.
2894 2012-01-27 Richard Henderson <rth@redhat.com>
2896 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2897 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2898 (ldstub): Rename from ldstubqi.
2899 (ldstub<I24MODE>): Remove.
2901 2012-01-27 Richard Henderson <rth@redhat.com>
2903 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2904 * c-cppbuiltin.c (cpp_atomic_builtins): Define
2905 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2906 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2907 * doc/tm.texi: Rebuild.
2909 2012-01-27 Richard Henderson <rth@redhat.com>
2911 * optabs.c (gen_atomic_test_and_set): Remove default.
2912 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2914 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2916 PR rtl-optimization/51978
2917 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2918 (combine_reaching_defs): Likewise.
2919 (struct re_info): Remove.
2920 (add_removable_extension): Remove x and data arguments,
2921 add insn, insn_list and def_map. Use the arguments directly
2922 instead of using struct re_info.
2923 (find_removable_extensions): Don't call add_removable_extension
2924 through note_stores, instead just call it with single_set
2926 (find_and_remove_re): Pass curr_cand->expr instead of
2927 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2929 2012-01-26 Michael Matz <matz@suse.de>
2931 PR tree-optimization/46590
2932 * cfgexpand.c: Revert last change (r183305).
2933 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2935 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2936 checking for emptiness.
2938 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2941 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2942 non-addressable non-BLKmode base correctly.
2944 2012-01-26 Michael Matz <matz@suse.de>
2946 PR tree-optimization/48794
2947 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2948 regions referenced from RESX/EH_DISPATCH.
2950 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2952 * config/s390/s390.h: Make BRANCH_COST an option.
2953 * config/s390/s390.opt: New option -mbranch-cost.
2955 2012-01-26 Richard Henderson <rth@redhat.com>
2957 Revert 2012-01-24 change:
2958 * trans-mem.c (requires_barrier): Do not instrument thread local
2959 variables and emit save/restore for them.
2961 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2964 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2967 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
2969 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2972 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
2975 Rename __pgm to __flash.
2976 Rename __pgm1 to __flash1.
2977 Rename __pgm2 to __flash2.
2978 Rename __pgm3 to __flash3.
2979 Rename __pgm4 to __flash4.
2980 Rename __pgm5 to __flash5.
2981 Rename __pgmx to __memx.
2982 * doc/extend.texi (AVR Named Address Spaces)
2983 Rename address space names as indicated above.
2984 * config/avr/avr.c (avr_addrspace): Ditto.
2986 * config/avr/avr-protos.h
2987 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2988 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2989 * config/avr/predicates.md: Ditto.
2990 * config/avr/avr.c Ditto, and
2991 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2992 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2994 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2995 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2996 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2997 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2998 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2999 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
3000 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
3001 * config/avr/avr.c: Ditto.
3002 * config/avr/avr.md: Ditto.
3004 2012-01-25 Jason Merrill <jason@redhat.com>
3007 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
3009 2012-01-25 Jakub Jelinek <jakub@redhat.com>
3011 PR tree-optimization/51987
3012 * tree-data-ref.c (get_references_in_stmt): Handle references in
3013 non-volatile GIMPLE_ASM.
3015 2012-01-25 Richard Guenther <rguenther@suse.de>
3017 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
3018 bases are dereferenced.
3020 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
3022 PR rtl-optimization/48374
3023 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
3025 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
3027 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
3028 compute_data_dependences_for_loop returns false.
3029 * tree-parloops.c (loop_parallel_p): Likewise.
3031 2012-01-25 Richard Guenther <rguenther@suse.de>
3033 * tree.h (get_pointer_alignment_1): Declare.
3034 * builtins.c (get_pointer_alignment_1): New function.
3035 (get_pointer_alignment): Use it.
3037 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3039 PR rtl-optimization/48308
3040 * combine.c (enum undo_kind): Add UNDO_LINKS.
3041 (struct undo): Add member l to other_contents and where.
3042 (do_SUBST_LINK): New.
3044 (try_combine): Handle LOG_LINKS for the dummy i1 case.
3045 (undo_all): Handle UNDO_LINKS.
3047 2012-01-25 Richard Henderson <rth@redhat.com>
3049 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
3052 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3054 * optabs.c (gen_atomic_test_and_set): Use each argument.
3056 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3058 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
3059 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
3060 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
3061 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
3062 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
3063 TARGET_PAIRED_SINGLE_FLOAT.
3065 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3067 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3068 (in_struct, return_val): Remove MEM documentation.
3069 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
3070 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3071 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
3073 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3074 * cfgexpand.c (add_alias_set_conflicts): Likewise.
3075 * expr.c (store_field): Likewise.
3076 * function.c (assign_stack_temp_for_type): Likewise.
3077 * ifcvt.c (noce_try_cmove_arith): Likewise.
3078 * reload1.c (reload): Likewise.
3079 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
3080 (alpha_set_memflags): Likewise.
3081 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
3083 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
3085 * rtl.h (true_dependence, canon_true_dependence): Remove varies
3087 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
3088 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
3089 (true_dependence_1, true_dependence, canon_true_dependence): Remove
3091 * cselib.c (cselib_rtx_varies_p): Delete.
3092 (cselib_invalidate_mem): Update call to canon_true_dependence.
3093 * dse.c (record_store, check_mem_read_rtx): Likewise.
3094 (scan_reads_nospill): Likewise.
3095 * cse.c (check_dependence): Likewise.
3096 (cse_rtx_varies_p): Delete.
3097 * expr.c (safe_from_p): Update call to true_dependence.
3098 * ira.c (validate_equiv_mem_from_store): Likewise.
3099 (memref_referenced_p): Likewise.
3100 * postreload-gcse.c (find_mem_conflicts): Likewise.
3101 * sched-deps.c (sched_analyze_2): Likewise.
3102 * store-motion.c (load_kills_store): Likewise.
3103 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
3104 * gcse.c (mems_conflict_for_gcse_p): Likewise.
3105 (compute_transp): Update call to canon_true_dependence.
3107 2012-01-25 Richard Henderson <rth@redhat.com>
3109 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
3110 (maybe_emit_atomic_test_and_set): New.
3111 (expand_sync_lock_test_and_set): Use it.
3112 (expand_atomic_test_and_set): Likewise.
3113 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
3114 the implementation; clarify implementation defined details.
3115 * doc/md.texi (atomic_test_and_set): Document.
3117 2012-01-25 Richard Henderson <rth@redhat.com>
3119 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
3121 2012-01-25 Richard Henderson <rth@redhat.com>
3124 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
3125 to effect no-op split.
3127 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
3130 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
3131 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
3132 (BT_FN_VOID_PTR_INT_SIZE): New.
3133 (BT_FN_UINT_UINT_VAR): Remove.
3134 (BT_FN_UINT32_UINT32_VAR): New.
3135 (BT_FN_DOUBLE_VPTR): Remove.
3136 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
3138 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
3139 (_ITM_changeTransactionMode): Same.
3140 (_ITM_memmoveRtWt): Change return type to void.
3141 (_ITM_memcpyRtWt): Same.
3142 (_ITM_memsetW): Same.
3143 (_ITM_RaRD): Change types to double.
3148 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
3150 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
3151 Patrick Marlier <patrick.marlier@gmail.com>
3153 * trans-mem.c (requires_barrier): Do not instrument thread local
3154 variables and emit save/restore for them.
3156 2012-01-24 Jason Merrill <jason@redhat.com>
3159 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
3160 output static aliases.
3162 2012-01-24 Jakub Jelinek <jakub@redhat.com>
3165 * common.opt (-pie, -shared, pie, shared): Change from Common to
3167 * gcc.c (display_help): Display help for -pie and -shared.
3169 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
3172 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
3173 Remove note on size/offset limitation.
3174 (AVR Variable Attributes): Add example how to read data located
3175 with progmem. Refer to named address spaces.
3176 * doc/invoke.texi (AVR Options): Fix typo.
3178 2012-01-24 Richard Guenther <rguenther@suse.de>
3180 Forward-port to trunk
3181 2010-09-21 Jakub Jelinek <jakub@redhat.com>
3184 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
3185 op0 isn't sufficiently aligned and there is movmisalignM
3186 insn for mode, use it to load op0 into a temporary register.
3188 2012-01-24 Jakub Jelinek <jakub@redhat.com>
3191 * target.def (const_not_ok_for_debug_p): New hook.
3192 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
3194 * doc/tm.texi: Regenerated.
3195 * dwarf2out.c (const_ok_for_output_1): If
3196 targetm.const_not_ok_for_debug_p returns true, fail.
3197 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
3199 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
3201 2012-01-23 Kai Tietz <ktietz@redhat.com>
3204 * config/i386/predicates.md (symbolic_operand): Allow
3205 UNSPEC_PCREL as PIC expression for lea.
3206 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
3207 * config/i386/i386.c (ix86_delegitimize_address): Handle
3208 UNSPEC_PCREL for none-MEM, too.
3210 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
3212 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
3213 (ipa_tm_create_version_alias): Same.
3215 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
3218 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
3219 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
3221 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
3222 Patrick Marlier <patrick.marlier@gmail.com>
3223 Iain Sandoe <developer@sandoe-acoustics.co.uk>
3226 * lto-wrapper.c (run_gcc): Pass the LTO section name to
3227 simple_object_start_read.
3229 2012-01-23 Richard Guenther <rguenther@suse.de>
3232 PR tree-optimization/51895
3233 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
3234 parameter decomposition into BLKmode components.
3236 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
3238 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
3239 fake variables for restrict-qualified pointers whose pointed-to type
3240 contains a placeholder.
3242 2012-01-23 Richard Guenther <rguenther@suse.de>
3244 PR tree-optimization/51949
3245 * ipa-split.c (execute_split_functions): Do not split malloc functions.
3247 2012-01-23 Jakub Jelinek <jakub@redhat.com>
3249 PR rtl-optimization/51933
3250 * ree.c (transform_ifelse): Return true right away if dstreg is
3251 already wider or equal to cand->mode.
3252 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
3253 (make_defs_and_copies_lists): Remove defs_list and copies_list
3254 arguments, add state argument, just truncate state->work_list
3255 instead of always allocating and freeing the vector. Assert that
3256 get_defs succeeds instead of returning 2. Changed return type to bool.
3257 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
3258 have ext_src_mode, see if it has been modified already with the
3259 right kind of extension and has been extended before from the
3260 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
3261 just return true. Remember the original mode in state->modified array.
3262 (combine_reaching_defs): Add state argument. Don't allocate and
3263 free here def_list, copied_list and vec vectors, instead just
3264 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
3265 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
3266 Add state variable, clear vectors in it, initialize state.modified
3267 if needed. Free all the vectors at the end and state.modified too.
3268 Don't skip a candidate if the extension expression has been modified.
3270 2012-01-22 Douglas B Rupp <rupp@gnat.com>
3273 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
3274 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
3275 (extra_options) interix.opt -> i386/interix.opt"
3276 (extra_objs):Add winnt-stubs.o
3277 * configure.ac: Add interix to target_os .comm on PE check.
3278 * configure: Regenerate.
3279 * config/interix3.h: Delete and move bits to..
3280 * config/interix.h: Delete and move bits to..
3281 * config/i386/i386-interix3.h: Delete and move bits to..
3282 * config/i386/i386-interix.h: ..here.
3283 (TARGET_CPU_DEFAULT): Remove redefinition.
3284 (TARGET_ASM_CONSTRUCTOR): Undefine.
3285 (SUBTARGET_SWITCHES): Define for ms-bitfields.
3286 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
3287 (PTRDIFF_TYPE): Define.
3288 (LONG_DOUBLE_TYPE_SIZE): Define.
3289 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
3290 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
3291 (TARGET_SECTION_TYPE_FLAGS): Define.
3292 (ASM_DECLARE_FUNCTION_NAME): Define.
3293 (ASM_OUTPUT_EXTERNAL): Define.
3294 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
3295 (ASM_OUTPUT_ALIGNED_BSS): Define.
3296 (PCC_BITFIELD_TYPE_MATTERS): Define.
3297 (USE_CONST_SECTION): Define.
3298 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
3299 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
3300 (SUPPORTS_ONE_ONLY): Remove.
3301 (I386_PE_STRIP_ENCODING): Define.
3302 * config/interix.opt: Delete and move bits to..
3303 * config/i386/interix.opt: ..here. New.
3304 (mpe-aligned-commons): Add.
3305 * config/i386/t-interix: Add copyright header.
3306 (winnt-stubs.o): Add rule.
3308 2012-01-22 Jason Merrill <jason@redhat.com>
3311 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
3312 for extra name aliases.
3314 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
3316 PR rtl-optimization/51924
3317 * ree.c (combine_set_extension): Improve debugging message.
3318 (combine_reaching_defs): Likewise.
3319 (get_defs): Rename confusingly named variable.
3320 (find_and_remove_re): Skip a candidate if the extension expression has
3323 2012-01-21 Robert Millan <rmh@gnu.org>
3324 Gerald Pfeifer <gerald@pfeifer.com>
3326 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
3327 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
3329 2012-01-20 Jakub Jelinek <jakub@redhat.com>
3331 PR tree-optimization/51914
3332 * tree-vect-stmts.c (vectorizable_conversion): For
3333 cvt_type && modifier == WIDEN, put temporary with cvt_type
3334 at the beginning of vec_dsts and set vec_dest to temporary
3337 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
3339 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
3341 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
3343 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
3344 * config/rs6000/rs6000.c: Likewise.
3346 2012-01-20 Jakub Jelinek <jakub@redhat.com>
3349 * config/arm/arm.c (arm_count_output_move_double_insns): Call
3350 output_move_double on a copy of operands array.
3352 2012-01-20 Cary Coutant <ccoutant@google.com>
3353 Dodji Seketeli <dodji@redhat.com>
3356 * dwarf2out.c (copy_declaration_context): Return ref to parent
3357 of declaration DIE, if necessary.
3358 (remove_child_or_replace_with_skeleton): Add new parameter; update
3359 caller. Place skeleton DIE under parent DIE of original declaration.
3360 Move call to copy_declaration_context to here ...
3361 (break_out_comdat_types): ... from here.
3363 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3365 PR rtl-optimization/51856
3366 * reload.c (find_reloads_subreg_address): Set the address_reloaded
3369 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3372 * config/arm/arm.c (arm_print_operand): Correct output of alignment
3373 hints for neon loads and stores.
3375 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
3379 * doc/extend.texi (Named Address Spaces): Split into subsections.
3380 (AVR Named Address Spaces): New subsection.
3381 (M32C Named Address Spaces): New subsection.
3382 (RL78 Named Address Spaces): New subsection.
3383 (SPU Named Address Spaces): New subsection.
3384 (Variable Attributes): New anchor "AVR Variable Attributes".
3385 (AVR Variable Attributes): Rewrite and avoid wording
3386 "address space" in this context.
3387 * doc/invoke.texi (AVR Options): Rewrite and add documentation
3388 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
3389 (AVR Built-in Macros): New subsubsection therein.
3390 * doc/md.texi (AVR constraints): Remove "C04", "R".
3392 2012-01-20 Richard Guenther <rguenther@suse.de>
3394 PR tree-optimization/51903
3395 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
3396 when removing stmts.
3398 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3401 * config/arm/arm.c (arm_load_pic_register): Use
3402 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
3403 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
3404 (arm_pic_static_addr): Likewise.
3405 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
3406 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
3407 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
3408 (pic_load_addr_unified): New.
3410 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
3413 * function.c (instantiate_virtual_regs_in_insn): Use
3414 delete_insn_and_edges when removing a wrong asm insn.
3416 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
3418 PR rtl-optimization/40761
3419 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
3420 Add new member loop_num.
3421 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
3422 (ira_build): Remove the parameter.
3424 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
3425 (ira.c): Do not build CFG loops for one region allocation. Remove
3426 argument from ira_build call.
3428 * ira-build.c (init_loop_tree_node): New function.
3429 (create_loop_tree_nodes): Use it. Separate the case when CFG
3430 loops are not built.
3431 (more_one_region_p): Check current_loops.
3432 (finish_loop_tree_nodes): Separate the case when CFG loops are not
3434 (add_loop_to_tree): Process loop equal to NULL too.
3435 (form_loop_tree): Separate the case when CFG loops are not built.
3436 Use explicitly number for the root.
3437 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
3439 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
3440 instead of loop->num.
3441 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
3442 (mark_all_loops_for_removal): Ditto.
3443 (remove_unnecessary_regions): Separate the case when CFG loops
3445 (ira_build): Remove the parameter. Use explicit number of regions
3446 when CFG loops are not built.
3448 * ira-color.c (print_loop_title): Separate the case for the root node.
3449 Use loop_num instead of loop->num.
3450 (move_spill_restore): Use loop_num instead of loop->num.
3452 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
3453 (change_loop): Ditto.
3454 (change_loop): Use loop_num instead of loop->num.
3456 * ira-lives.c (process_bb_node_lives): Ditto.
3458 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
3460 * ira-conflicts.c (print_allocno_conflicts): Ditto.
3462 2012-01-19 Jakub Jelinek <jakub@redhat.com>
3465 * tree-mudflap.c (mf_artificial): New function.
3466 (execute_mudflap_function_ops, execute_mudflap_function_decls,
3467 mx_register_decls, mudflap_enqueue_decl): Use it.
3470 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
3471 numbers in the insn pattern.
3473 2012-01-19 Michael Matz <matz@suse.de>
3475 PR tree-optimization/46590
3476 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
3477 use it in remembering which conflicts we already created.
3478 (add_scope_conflicts): Adjust call to above, (de)allocate helper
3481 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
3484 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
3485 (merge_and_complain): Same.
3487 2012-01-19 Jakub Jelinek <jakub@redhat.com>
3490 * config/initfini-array.h: Guard content of the header
3491 with #ifdef HAVE_INITFINI_ARRAY.
3492 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
3493 Add initfini-array.h to tm_file here.
3494 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
3495 * config.gcc: Don't add initfini-array.h to tm_file here.
3496 * configure: Regenerated.
3498 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
3500 PR rtl-optimization/51505
3501 * df-problems.c (df_kill_notes): New parameter live. Update comment.
3502 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
3503 (df_note_bb_compute): Update the call to df_kill_notes.
3505 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
3507 * trans-mem.c (requires_barrier): Remove call to is_global_var.
3509 2012-01-18 Richard Guenther <rguenther@suse.de>
3511 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
3512 of conversions to void *.
3514 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3515 Richard Sandiford <rdsandiford@googlemail.com>
3519 * optabs.h (simplify_expand_binop): Declare.
3520 * optabs.c (simplify_expand_binop): Make global.
3521 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
3522 endian targets if the source cannot be exactly covered by word
3525 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3528 * hard-reg-set.h (struct hard_reg_set_container): New type.
3529 * target.h (struct hard_reg_set_container): Forward declare.
3530 * target.def (set_up_by_prologue): New target hook.
3531 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
3532 * doc/tm.texi: Regenerated.
3533 * function.c (thread_prologue_and_epilogue_insns): Change
3534 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
3535 Call targetm.set_up_by_prologue on it.
3536 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
3537 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
3539 2012-01-17 Nick Clifton <nickc@redhat.com>
3541 * config/rx/rx.c (rx_can_use_simple_return): New function.
3542 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
3543 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
3545 2012-01-17 Richard Guenther <rguenther@suse.de>
3548 * expr.c (expand_assignment): Take address-space information
3549 from the address operand of MEM_REF and TARGET_MEM_REF.
3550 (expand_expr_real_1): Likewise.
3552 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3554 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
3555 reload dump is requested.
3557 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
3560 * trans-mem.c (requires_barrier): Call may_be_aliased.
3562 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3564 PR tree-optimization/51877
3565 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
3566 call arguments and fndecls compare equal, instead return false if they
3567 don't. Return true only if lhs1 and lhs2 are either both NULL, or
3568 both SSA_NAMEs that are valueized the same, or they satisfy
3571 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3573 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
3575 * configure: Regenerate.
3577 2012-01-16 Jan Hubicka <jh@suse.cz>
3581 * convert.c (convert_to_integer): Use fold_convert for
3582 converting an INTEGER_CST to integer type.
3584 2012-01-16 Jason Merrill <jason@redhat.com>
3587 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3589 2012-01-16 Jakub Jelinek <jakub@redhat.com>
3592 * config/s390/s390.c (s390_chunkify_start): Don't skip
3593 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
3594 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3595 If insn is followed by NOTE_INSN_VAR_LOCATION or
3596 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3597 Don't use location of note insns.
3599 PR tree-optimization/51865
3600 * tree-inline.c (tree_function_versioning): Call remap_decl
3601 on DECL_RESULT whenever it has VOID_TYPE_P type.
3603 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
3605 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3606 for calls to locally-binding MIPS16 functions if only the return
3607 type uses float regs.
3609 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
3610 Richard Sandiford <rdsandiford@googlemail.com>
3612 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3613 (SYMBOL_32_HIGH): Likewise.
3614 (mips_output_tls_reloc_directive): Declare.
3615 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3616 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3617 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3618 (mips_lo_relocs, mips_hi_relocs): Make extern.
3619 (mips16_stub_function): Move up file.
3620 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3621 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
3622 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
3623 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3624 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
3625 (mips_get_tp): Add MIPS16 support.
3626 (mips_legitimize_tls_address): Remove MIPS16 sorry().
3627 Generalize DTPREL and TPREL handling.
3628 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3629 Add MIPS16 TLS support.
3630 (mips_output_tls_reloc_directive): New function.
3631 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3632 * config/mips/predicates.md (symbolic_operand_with_high)
3633 (tls_reloc_operand): New predicates.
3634 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3635 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3636 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3637 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
3638 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3639 (*tls_get_tp_mips16_call_<mode>): Likewise.
3641 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
3643 PR rtl-optimization/51821
3644 * recog.c (peep2_find_free_register): Determine clobbered registers
3647 2012-01-14 Denis Chertykov <chertykov@gmail.com>
3650 * config/avr/avr-protos.h: Revert change of 2012-01-09.
3651 * config/avr/avr.c: Likewise.
3652 * config/avr/avr.h: Likewise.
3654 2012-01-13 Ian Lance Taylor <iant@google.com>
3657 * tree.h (TYPE_QUALS): Add cast to int.
3658 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3660 2012-01-13 Ian Lance Taylor <iant@google.com>
3662 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3663 comparing param_index to VEC_length result.
3665 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
3667 * c-decl.c: Do not include tree-mudflap.h
3668 * tree-optimize.c: Likewise.
3669 * Makefile.in: Update dependencies.
3671 2012-01-13 Richard Guenther <rguenther@suse.de>
3674 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3675 variable-sized result always use RSO.
3677 2012-01-12 DJ Delorie <dj@redhat.com>
3679 * cfgexpand.c (convert_debug_memory_address): Allow any valid
3680 pointer type, not just the default pointer type.
3682 2012-01-09 Richard Henderson <rth@redhat.com>
3683 Denis Chertykov <chertykov@gmail.com>
3686 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3687 * config/avr/avr.c (avr_can_eliminate): Simplify.
3688 (avr_initial_elimination_offset): Likewise.
3689 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3690 (expand_epilogue): Likewise.
3691 (avr_legitimize_address): Gut.
3692 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3693 (avr_hard_regno_nregs): New.
3694 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3695 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3696 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3697 add soft frame pointer.
3698 (CALL_USED_REGISTERS): Likewise.
3699 (REG_CLASS_CONTENTS): Likewise.
3700 (REGISTER_NAMES): Likewise.
3701 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3702 (HARD_FRAME_POINTER_REGNUM): New.
3703 (FRAME_POINTER_REGNUM): Use soft frame pointer.
3704 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3705 remove the HARD_FRAME_POINTER self-elimination.
3707 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
3710 * config/avr/avr.c (avr_encode_section_info): Test for absence of
3711 DECL_EXTERNAL when checking for initializers of progmem variables.
3713 2012-01-12 Ira Rosen <irar@il.ibm.com>
3715 PR tree-optimization/51799
3716 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3717 that the last operation is a type demotion.
3719 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
3721 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3722 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3724 2012-01-11 Jakub Jelinek <jakub@redhat.com>
3727 * combine.c (distribute_notes): If i3 is a noreturn call,
3728 allow old_size to be equal to args_size and make sure the
3729 noreturn call gets REG_ARGS_SIZE note.
3730 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3731 on noreturn calls even when the delta is 0.
3733 2012-01-11 Nathan Sidwell <nathan@acm.org>
3735 * gcov.c (STRING_SIZE): Remove.
3736 (generate_results): Erase annotations for source files with no
3737 coverage information.
3739 (output_lines): Use it.
3741 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3743 * gimple.h (gimplify_body): Remove first argument.
3744 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
3745 pointer set here, instead just pass DATA to walk_tree.
3746 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
3747 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3748 (unvisit_body): Likewise, but with unmark_visited.
3749 (gimplify_body): Remove BODY_P argument and adjust.
3750 (gimplify_function_tree): Adjust call to gimplify_body.
3751 * omp-low.c (finalize_task_copyfn): Likewise.
3753 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3755 * tree.h (build_function_decl_skip_args): Add boolean parameter.
3756 (build_function_type_skip_args): Delete.
3757 * tree.c (build_function_type_skip_args): Make static and add
3758 SKIP_RETURN parameter. Fix thinko in the handling of variants.
3759 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3760 pass it to build_function_type_skip_args.
3761 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3762 (tree_function_versioning): Likewise.
3763 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3764 build_function_decl_skip_args.
3765 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3766 and pass it to build_function_decl_skip_args/tree_function_versioning.
3767 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3768 * ipa-inline-transform.c (save_inline_function_body): Likewise.
3769 * trans-mem.c (ipa_tm_create_version): Likewise.
3770 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3771 * tree-inline.c (declare_return_variable): Remove always-true test.
3772 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
3773 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3774 * ipa-split.c (split_function): Skip the return value for the split
3775 part if it doesn't return.
3777 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3779 PR tree-optimization/49642
3780 * ipa-split.c (forbidden_dominators): New variable.
3781 (check_forbidden_calls): New function.
3782 (dominated_by_forbidden): Likewise.
3783 (consider_split): Check for forbidden dominators.
3784 (execute_split_functions): Initialize and free forbidden
3785 dominators info; call check_forbidden_calls.
3787 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3789 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3791 2012-01-11 Nick Clifton <nickc@redhat.com>
3793 * config/rx/rx.md (return): Define pattern.
3795 2012-01-11 Richard Guenther <rguenther@suse.de>
3797 * doc/extend.texi (malloc attribute): Adjust according to
3800 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
3801 Patrick Marlier <patrick.marlier@gmail.com>
3804 * trans-mem.c (get_cg_data): Traverse aliases if requested.
3805 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3806 (ipa_tm_note_irrevocable): Same.
3807 (ipa_tm_scan_irr_block): Same.
3808 (ipa_tm_decrement_clone_counts): Same.
3809 (ipa_tm_scan_irr_function): Same.
3810 (ipa_tm_create_version_alias): Same.
3811 (ipa_tm_create_version): Same.
3812 (ipa_tm_transform_calls_redirect): Same.
3813 (ipa_tm_transform_calls): Same.
3814 (ipa_tm_transform_transaction): Same.
3815 (ipa_tm_execute): Same.
3817 2012-01-10 Richard Guenther <rguenther@suse.de>
3820 * opts.c (common_handle_option): Handle -Werror.
3822 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
3824 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3827 2012-01-10 Jason Merrill <jason@redhat.com>
3829 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3832 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3834 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3835 supports R_386_TLS_GD_PLT reloc.
3836 (gcc_cv_as_ix86_tlsldmplt): Check if linker
3837 supports R_386_TLS_LDM_PLT reloc.
3838 * configure: Regenerate.
3839 * config.in: Regenerate.
3841 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
3844 Extend __pgmx semantics to linearize memory.
3845 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3846 determine if code comes inline or from libgcc.
3847 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3848 (movmem_qi, movmem_qi): Set constraint #2 to "n".
3849 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3850 (movmemx_qi, movmemx_hi): New insns.
3851 (xload_<mode>_libgcc): Rewrite to new insn condition.
3852 (xload_<mode>): Remove insns.
3853 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3854 cases that don't satisfy avr_xload_libgcc_p().
3855 (avr_addr_space_convert): Allow converting in any direction.
3856 (avr_addr_space_subset_p): Return always true.
3857 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3858 (avr_emit_movmemhi): Ditto.
3859 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3860 (avr_out_movmem): Ditto.
3861 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3862 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3863 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3864 (avr_encode_section_info): Encode 'progmem' in symbol flags.
3865 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3867 2012-01-10 Richard Guenther <rguenther@suse.de>
3869 PR tree-optimization/50913
3870 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3871 Require data-refs to be representable by Graphite with respect
3874 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
3876 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3877 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3879 2012-01-10 Tom de Vries <tom@codesourcery.com>
3881 PR rtl-optimization/51271
3882 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3883 handling annulled branch.
3885 2012-01-10 Richard Henderson <rth@redhat.com>
3887 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3888 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3889 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3890 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3891 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3892 arm_expand_vec_perm_const): New.
3893 * config/arm/arm-protos.h: Update.
3894 * config/arm/neon.md (UNSPEC_VCONCAT): New.
3895 (*neon_vswp<VDQX>): New.
3896 (neon_vcombine<VDX>): Use neon_split_vcombine.
3897 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3898 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3899 (vec_perm<VE>): New.
3901 2012-01-10 Richard Henderson <rth@redhat.com>
3903 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3904 use it if reload_completed.
3905 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3906 arm_output_asm_insn, arm_process_output_memory_barrier,
3907 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3908 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3909 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3910 arm_process_output_sync_insn, arm_output_sync_insn,
3911 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3912 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3913 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3914 (emit_unlikely_jump): New.
3915 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3916 (arm_split_atomic_op): New.
3917 * config/arm/arm-protos.h: Update.
3918 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3919 (struct arm_sync_generator): Remove.
3920 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3921 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3922 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3923 (VUNSPEC_LL, VUNSPEC_SC): New.
3924 (sync_result, sync_memory, sync_required_value, sync_new_value,
3925 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3926 (attr length): Don't use arm_sync_loop_insns.
3927 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3928 (movsfcc, movdfcc): Likewise.
3929 * config/arm/constraints.md (Ua): New.
3930 * config/arm/prediates.md (mem_noofs_operand): New.
3931 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3932 (sync_clobber, sync_t2_reqd): Remove.
3933 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3934 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3935 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3936 (arm_sync_compare_and_swap<SIDI>): Remove.
3937 (arm_sync_compare_and_swap<NARROW>): Remove.
3938 (arm_sync_lock_test_and_set<SIDI>): Remove.
3939 (arm_sync_lock_test_and_set<NARROW>): Remove.
3940 (arm_sync_new_<syncop><SIDI>): Remove.
3941 (arm_sync_new_<syncop><NARROW>): Remove.
3942 (arm_sync_new_nand<SIDI>): Remove.
3943 (arm_sync_new_nand<NARROW>): Remove.
3944 (arm_sync_old_<syncop><SIDI>): Remove.
3945 (arm_sync_old_<syncop><NARROW>): Remove.
3946 (arm_sync_old_nand<SIDI>): Remove.
3947 (arm_sync_old_nand<NARROW>): Remove.
3948 (*memory_barrier): Merge arm_output_memory_barrier.
3949 (atomic_compare_and_swap<QHSD>): New.
3950 (atomic_compare_and_swap<NARROW>_1): New.
3951 (atomic_compare_and_swap<SIDI>_1): New.
3952 (atomic_exchange<QHSD>): New.
3953 (cas_cmp_operand, cas_cmp_str): New.
3954 (atomic_op_operand, atomic_op_str): New.
3955 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3956 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3957 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3958 (arm_load_exclusive<NARROW>): New.
3959 (arm_load_exclusivesi, arm_load_exclusivedi): New.
3960 (arm_store_exclusive<QHSD>): New.
3962 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
3964 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3965 reload patterns if -mvsx-scalar-memory.
3967 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3968 generated, even -mno-vsx-scalar-double was used.
3969 (vsx_xscvdpsp_scalar): Likewise.
3970 (vsx_xscvspdp_scalar2): Likewise.
3972 2012-01-09 Tom de Vries <tom@codesourcery.com>
3973 Andrew Pinski <apinski@cavium.com>
3976 * reorg.c (fill_slots_from_thread): Don't speculate
3977 frame-related insns.
3979 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
3981 * sched-int.h (bb_note): Move to...
3982 * basic-block.h: ...here.
3983 * haifa-sched.c (bb_note): Move to...
3984 * cfgrtl.c: ...here.
3985 * function.c (next_block_for_reg): New function.
3986 (move_insn_for_shrink_wrap): Likewise.
3987 (prepare_shrink_wrap): Rewrite to use the above.
3989 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
3991 * gimple.c (is_gimple_non_addressable): Remove.
3992 * gimple.h: Remove is_gimple_non_addressable.
3993 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
3994 is_gimple_non_addressable.
3995 * trans-mem.c (expand_assign_tm): Same.
3997 2012-01-09 Richard Guenther <rguenther@suse.de>
3999 PR tree-optimization/51775
4000 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
4001 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
4003 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
4005 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
4007 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
4009 2012-01-09 Richard Guenther <rguenther@suse.de>
4011 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
4013 2012-01-08 Jan Hubicka <jh@suse.cz>
4015 PR tree-optimize/51680
4016 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
4017 on when known_vals needs to be computed; cleanup.
4019 2012-01-08 Jan Hubicka <jh@suse.cz>
4021 PR tree-optimize/51694
4022 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
4024 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
4026 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
4027 for -std=c++98 and -std=c++11 too.
4029 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
4031 * cfgloop.c (cancel_loop): Add free() of bbs array.
4033 2012-01-07 Jan Hubicka <jh@suse.cz>
4035 PR tree-optimization/51600
4036 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
4037 that benefits small functions.
4039 2012-01-07 Jan Hubicka <jh@suse.cz>
4041 * ipa-inline.c (want_inline_small_function_p): Fix formating.
4043 2012-01-07 Jan Hubicka <jh@suse.cz>
4045 PR tree-optimization/51680
4046 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
4047 whose inlining reduce unit size.
4049 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
4052 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
4053 Add canonical node to containing_mem chain after the non-canonical
4054 one, even if there weren't any locs to propagate.
4055 (remove_useless_values): Keep only canonical values.
4056 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
4057 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
4058 canonicalize mem_chain elements that are not discarded.
4060 2012-01-06 Jakub Jelinek <jakub@redhat.com>
4063 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
4064 before emitting functions.
4066 PR gcov-profile/50127
4067 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
4068 clear_aux_for_blocks.
4070 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
4073 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
4075 2012-01-06 Arnaud Charlet <charlet@adacore.com>
4077 * c-decl.c (ext_block): Moved up.
4078 (collect_all_refs, for_each_global_decl): Take ext_block into account.
4080 2012-01-06 Han Shen <shenhan@google.com>
4082 Translate built-in include paths for sysroot.
4083 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
4084 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
4086 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
4087 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
4089 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
4090 control whether sysroot should be prepended to gxx include dir.
4092 * configure: Regenerate.
4094 2012-01-06 Torvald Riegel <triegel@redhat.com>
4096 PR rtl-optimization/51771
4097 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
4098 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
4100 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
4102 PR tree-optimization/51315
4103 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
4104 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
4106 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
4109 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
4110 for shrp pattern. Correctly handle and fixup shift variable.
4111 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
4113 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4116 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
4117 note when !ACCUMULATE_OUTGOING_ARGS.
4119 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
4121 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
4123 (extract_range_from_unary_expr_1): Avoid useless computations.
4125 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4127 PR rtl-optimization/51767
4128 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
4129 of jump_block and add an extra edge for degenerated asm gotos.
4132 * stmt.c (check_unique_operand_names): Don't ICE during error
4133 reporting if i is from labels chain.
4136 * profile.c (branch_prob): Split bbs that have exit edge
4137 and need a fake entry edge too.
4139 2012-01-05 Jan Hubicka <jh@suse.cz>
4142 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
4145 2012-01-05 Richard Guenther <rguenther@suse.de>
4148 * tree-streamer-out.c (write_ts_optimization): New function.
4149 (streamer_write_tree_body): Call it.
4150 * tree-streamer-in.c (lto_input_ts_optimization): New function.
4151 (streamer_read_tree_body): Call it.
4152 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
4154 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4157 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
4158 * gimplify.c (gimplify_cleanup_point_expr): Save and set
4159 in_cleanup_point_expr before gimplify_stmt call and restore it
4161 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
4162 in_cleanup_point_expr is false.
4164 2012-01-05 Richard Guenther <rguenther@suse.de>
4167 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
4169 * toplev.c (process_options): Reject combining mudflap and LTO.
4170 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
4172 2012-01-05 Richard Guenther <rguenther@suse.de>
4174 PR tree-optimization/51760
4175 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
4177 (bit_value_unop): Handle UNDEFINED operands.
4178 (bit_value_binop): Likewise.
4180 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
4182 * config/avr/avr.c (avr_replace_prefix): Remove.
4183 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
4184 (avr_asm_function_rodata_section): Ditto.
4185 (avr_asm_select_section): Ditto.
4187 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
4189 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
4192 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4195 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
4196 calls that have any non-fake successor edges.
4199 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
4201 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
4203 PR tree-optimization/51624
4204 * tree-sra.c (build_ref_for_model): When replicating a chain of
4205 COMPONENT_REFs, stop as soon as the offset would become negative.
4207 2012-01-04 Jakub Jelinek <jakub@redhat.com>
4210 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
4211 in .debug_loc on the floor.
4213 2012-01-04 Andrew Pinski <apinski@cavium.com>
4215 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
4217 2012-01-04 Andrew Pinski <apinski@cavium.com>
4218 Adam Nemet <anemet@caviumnetworks.com>
4220 * config/mips/mips.md (size): Add SI and DI.
4221 (SIZE): New mode attribute.
4222 (U): New code attribute.
4223 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
4224 (mips_lbux_<mode>): Delete.
4225 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
4226 (mips_lhx): Use gen_mips_lhx_extsi.
4227 (mips_lhx_<mode>): Delete.
4229 (mips_l<size>x): New expand.
4230 (mips_lwx_<mode>): Delete.
4231 (mips_l<GPR:size>x_<P:mode>): New pattern.
4232 (*mips_lw<u>x_<P:mode>_ext): Likewise.
4233 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
4234 * config/mips/mips.c (mips_lx_address_p): New function.
4235 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
4236 (dsp64): New availability predicate.
4237 (mips_builtins): Add an entry for __builtin_mips_ldx.
4238 * config/mips/mips.h (ISA_HAS_LBX): New define.
4239 (ISA_HAS_LBUX): Likewise.
4240 (ISA_HAS_LHX): Likewise.
4241 (ISA_HAS_LHUX): Likewise.
4242 (ISA_HAS_LWX): Likewise.
4243 (ISA_HAS_LWUX): Likewise.
4244 (ISA_HAS_LDX): Likewise.
4245 * doc/extend.texi (__builtin_mips_ldx): Document.
4247 2012-01-04 Tristan Gingold <gingold@adacore.com>
4249 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
4250 when long pointers are used.
4251 * config.build (*-*-*vms*): Handle all OpenVMS targets.
4252 (alpha64-dec-*vms*, alpha*-dec-*vms*)
4253 (ia64-hp-*vms*): Remove.
4254 * config/vms/xm-vms64.h: Delete.
4256 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4259 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
4261 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4263 * opts.c (finish_options): Remove duplicate sorry.
4265 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4268 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
4271 2012-01-04 Richard Guenther <rguenther@suse.de>
4274 * tree.c (size_low_cst): New function.
4275 * tree.h (size_low_cst): Declare.
4276 * fold-const.c (fold_comparison): Use it to extract the low
4277 part of the POINTER_PLUS_EXPR offset.
4279 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
4281 Fix clearing ZERO_REG
4282 * config/avr/avr.md (cc): Add alternative "ldi".
4283 (movqi_insn): Use it in cc attribute.
4284 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
4285 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
4286 (output_reload_insisf): Use ZERO_REG to pre-clear register.
4288 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4290 * configure: Regenerate.
4292 2012-01-04 Richard Guenther <rguenther@suse.de>
4294 PR tree-optimization/49651
4295 * tree-ssa-structalias.c (type_can_have_subvars): New function.
4296 (var_can_have_subvars): Use it.
4297 (get_constraint_for_1): Only consider subfields if there can be any.
4299 2012-01-03 Jakub Jelinek <jakub@redhat.com>
4302 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
4303 to its new canonical_cselib_val and the cselib_val was in
4304 first_containing_mem chain, but the canonical_cselib_val was not,
4305 add the latter into the chain.
4306 (cselib_invalidate_mem): Compare canonical_cselib_val of
4307 addr_list chain elt with v.
4310 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
4311 dwarf2out_undef): Allocate e.info using ggc_strdup instead
4313 (output_macinfo_op): Don't ggc_strdup fd->filename.
4314 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
4315 then ggc_strdup it. Don't free inc->info or cur->info.
4316 (output_macinfo): Don't free ref->info or file->info.
4318 2012-01-03 Ira Rosen <irar@il.ibm.com>
4320 PR tree-optimization/51269
4321 * tree-vect-loop-manip.c (set_prologue_iterations): Make
4322 first_niters a pointer.
4323 (slpeel_tree_peel_loop_to_edge): Likewise.
4324 (vect_do_peeling_for_loop_bound): Update call to
4325 slpeel_tree_peel_loop_to_edge.
4326 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
4327 here. Remove it from the parameters list.
4328 (vect_do_peeling_for_alignment): Update calls and compute
4331 2012-01-03 Richard Guenther <rguenther@suse.de>
4333 PR tree-optimization/51070
4334 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
4335 Properly handle calls.
4337 2012-01-03 Richard Guenther <rguenther@suse.de>
4339 PR tree-optimization/51692
4340 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
4341 the LHS of allocation stmts.
4343 2012-01-03 Olivier Hainque <hainque@adacore.com>
4345 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
4347 2012-01-03 Olivier Hainque <hainque@adacore.com>
4349 * collect2.c (main): In AIX specific computations for vector
4350 insertions, use CONST_CAST2 to cast from char ** to const char **.
4352 2012-01-03 Richard Guenther <rguenther@suse.de>
4355 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
4356 the context of a limbo DIE when it does not already exist.
4358 2012-01-03 Jakub Jelinek <jakub@redhat.com>
4360 PR tree-optimization/51719
4361 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
4362 but direct call is, clear direct call's lhs and don't add fallthrough
4363 edge from dcall_bb to join_bb and PHIs.
4365 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4367 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
4368 the instructions emitted by the pattern.
4369 ("*TDC_insn_<mode>"): Add comment.
4371 2012-01-03 Richard Guenther <rguenther@suse.de>
4374 * fold-const.c (fold_comparison): Properly canonicalize
4375 tree offset and HOST_WIDE_INT bit position.
4377 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
4379 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
4380 operands for extzv pattern.
4382 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4385 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
4388 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
4390 * doc/invoke.texi (-flto and related options): Copy-edit.
4392 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4394 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
4396 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4398 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
4401 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4403 * expr.h (move_by_pieces_ninsns): Declare.
4404 * expr.c (move_by_pieces_ninsns): Make external.
4405 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
4406 (mips_store_by_pieces_p): Likewise.
4407 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
4408 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
4409 * config/mips/mips.c (mips_move_by_pieces_p): New function.
4410 (mips_store_by_pieces_p): Likewise.
4412 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4414 * passes.c (register_one_dump_file): Free full_name.
4416 * reload1.c (reload): Don't allocate reg_max_ref_width here.
4417 (calculate_elim_costs_all_insns): Free offsets_at and
4418 offsets_known_at at the end and clear the pointers.
4420 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4422 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
4423 this option introduced in r180739.
4425 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4428 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
4429 (tmake_file target=avr): Add avr/t-multilib.
4431 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
4432 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
4433 * config/avr/genmultilib.awk: New file.
4434 * config/avr/t-multilib: New auto-generated file.
4435 * config/avr/multilib.h: New auto-generated file.
4436 * config/avr/t-avr (AVR_MCUS): New variable.
4437 (genopt.sh): Use it.
4438 (s-mlib): Depend on t-multilib.
4439 (t-multilib, multilib.h): New dependencies.
4440 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
4441 (MULTILIB_OPTIONS): Remove.
4442 (MULTILIB_MATCHES): Remove.
4443 (MULTILIB_DIRNAMES): Remove.
4444 (MULTILIB_EXCEPTIONS): Remove:
4445 * config/avr/genopt.sh: Don't use hard coded file name;
4446 pass AVR_MCUS from t-avr instead.
4448 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4450 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
4452 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4454 Implement light-weight DImode support.
4455 * config/avr/avr-dimode.md: New file.
4456 * config/avr/avr.md: Include it.
4457 (adjust_len): Add plus64, compare64.
4458 (HIDI): Remove code iterator.
4459 (code_stdname): New code attribute.
4460 (rotx, rotsmode): Remove DI.
4461 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
4463 * config/avr/avr-protos.h (avr_have_dimode): New.
4464 (avr_out_plus64, avr_out_compare64): New.
4465 * config/avr/avr.c (avr_out_compare): Handle DImode.
4466 (avr_have_dimode): New variable definition and initialization.
4467 (avr_out_compare64, avr_out_plus64): New functions.
4468 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
4469 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
4470 (avr_compare_pattern): Skip DImode comparisons.
4472 2012-01-02 Revital Eres <revital.eres@linaro.org>
4474 * ddg.c (def_has_ccmode_p): New function.
4475 (add_cross_iteration_register_deps,
4476 create_ddg_dep_from_intra_loop_link): Call it.
4478 2012-01-02 Richard Guenther <rguenther@suse.de>
4481 * invoke.texi (fassociative-math): Remove spurious paranthesis.
4483 2012-01-01 Jakub Jelinek <jakub@redhat.com>
4485 * gcc.c (process_command): Update copyright notice dates.
4486 * gcov.c (print_version): Likewise.
4487 * gcov-dump.c (print_version): Likewise.
4488 * mips-tfile.c (main): Likewise.
4489 * mips-tdump.c (main): Likewise.
4491 2012-01-01 Ira Rosen <irar@il.ibm.com>
4493 PR tree-optimization/51704
4494 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
4495 a use is inside the basic block or loop before accessing its vect info.
4497 2012-01-01 Jan Hubicka <jhjh@suse.cz>
4499 PR rtl-optimization/51069
4500 * cfgloopmanip.c (remove_path): Removing path making irreducible
4501 region unconditional makes BB part of the region.
4503 2012-01-01 Jakub Jelinek <jakub@redhat.com>
4505 PR tree-optimization/51683
4506 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
4507 calls with side-effects.
4508 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
4510 Copyright (C) 2012 Free Software Foundation, Inc.
4512 Copying and distribution of this file, with or without modification,
4513 are permitted in any medium without royalty provided the copyright
4514 notice and this notice are preserved.