1 2012-05-07 Jakub Jelinek <jakub@redhat.com>
3 PR tree-optimization/53239
4 * tree-vrp.c (get_value_range): Set VR of
5 SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
8 2012-05-07 Richard Guenther <rguenther@suse.de>
10 PR tree-optimization/53195
11 * tree-inline.c (setup_one_parameter): Properly add referenced
12 vars from the parameters new known value.
14 2012-05-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16 Backport from mainline:
17 2012-04-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20 * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
23 2012-05-04 Ian Lance Taylor <iant@google.com>
25 * tree-vect-patterns.c (vect_single_imm_use): Correct return
26 values from false to NULL.
28 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
30 Backport from mainline
31 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
34 * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
35 (TARGET_CMOV): Rename from TARGET_CMOVE.
36 (TARGET_CMOVE): New define.
37 * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
38 Do not set TARGET_CMOVE here.
40 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
42 Backport from mainline:
44 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
46 PR tree-optimization/52633
47 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
48 vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
49 (vect_recog_over_widening_pattern): Remove handling of code that was
50 already detected as over-widening pattern. Remove special handling
51 of "unsigned" cases. Instead, support general case of conversion
52 of the shift result to another type.
54 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
56 * tree-vect-patterns.c (vect_single_imm_use): New function.
57 (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
58 (vect_recog_over_widening_pattern): Likewise.
59 (vect_recog_widen_shift_pattern): Likewise.
61 2012-04-10 Ulrich Weigand <ulrich.weigand@linaro.org>
63 PR tree-optimization/52870
64 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
65 presumed pattern statement is within the same loop or basic block.
67 2012-05-04 Richard Guenther <rguenther@suse.de>
69 * common.opt (flto-report): Do not mark as Optimization.
71 2012-05-04 Eric Botcazou <ebotcazou@adacore.com>
74 * recog.c (constrain_operands): If extra constraints are present, also
75 accept pseudo-registers with equivalent memory locations during reload.
77 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
79 Backport from the mainline
80 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
83 * config/rs6000/rs6000.md (bswapdi splitters): If
84 -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
85 default) is used, generate an alternate sequence that does not
86 depend on using indexed addressing.
88 2012-05-03 David S. Miller <davem@davemloft.net>
91 * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
92 MEM directly into a libcall, mark it's MEM_EXPR as addressable.
93 (sparc_emit_float_lib_cmp): Likewise.
95 2012-05-04 Martin Jambor <mjambor@suse.cz>
97 Backport from mainline
98 2012-05-02 Martin Jambor <mjambor@suse.cz>
101 * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
102 of a variable when the contect is a function.
104 2012-05-03 Jakub Jelinek <jakub@redhat.com>
107 * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
108 append program name to it and pass that as first argument
109 to make_relative_prefix. Always pass standard_libexec_prefix
110 as last argument to make_relative_prefix. If
111 make_relative_prefix returns NULL, fall back to
112 standard_libexec_prefix.
115 * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
119 * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
120 mode, return that mode.
122 2012-05-03 Richard Guenther <rguenther@suse.de>
124 PR tree-optimization/53144
125 * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
127 (vn_reference_lookup_or_insert_for_pieces): ... this. Properly deal
128 with SSA name values.
129 (vn_reference_lookup_3): Adjust callers.
131 2012-05-02 Jakub Jelinek <jakub@redhat.com>
133 PR tree-optimization/53163
134 * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
135 return value from compute_all_dependences.
137 PR rtl-optimization/53160
138 * ree.c (combine_reaching_defs): Handle the case where cand->insn
139 has been modified by ree pass already.
141 2012-05-01 Uros Bizjak <ubizjak@gmail.com>
143 Backport from mainline
144 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
147 * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
148 calls to cgraph_node_name in xstrdup.
149 (ipa_make_edge_direct_to_target): Ditto.
150 * tree-sra.c (convert_callers_for_node): Ditto.
151 * lto-symtab.c (lto_cgraph_replace_node): Ditto.
152 * ipa-cp.c (perhaps_add_new_callers): Ditto.
153 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
154 (cgraph_materialize_all_clones): Ditto.
155 * ipa-inline.c (report_inline_failed_reason): Ditto.
156 (want_early_inline_function_p): Ditto.
157 (edge_badness): Ditto.
158 (update_edge_key): Ditto.
159 (flatten_function): Ditto.
161 (inline_always_inline_functions): Ditto.
162 (early_inline_small_functions): Ditto.
164 2012-04-30 Andreas Tobler <andreast@fgznet.ch>
166 Backport from mainline
167 2012-03-21 Andreas Tobler <andreast@fgznet.ch>
169 * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
170 Introduce emul_name to select the right linker emulation for
171 powerpc64-*-freebsd*.
172 * configure: Regenerate.
173 * config.gcc: Add bits to support powerpc64-*-freebsd*.
174 * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
175 * config/rs6000/freebsd64.h: New file.
176 * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
178 (rs6000_savres_strategy): Likewise.
179 (rs6000_savres_routine_name): Likewise.
180 (rs6000_elf_file_end): Likewise.
181 * config/rs6000/t-freebsd64: New file.
182 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
183 rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
185 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
187 Backport from mainline
188 2012-04-27 Paolo Bonzini <bonzini@gnu.org>
191 * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
193 2012-04-30 Eric Botcazou <ebotcazou@adacore.com>
195 * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
196 predicate to discriminate types.
198 2012-04-27 Richard Guenther <rguenther@suse.de>
201 * convert.c (convert_to_integer): Avoid infinite recursion for
202 target-defined built-in types.
204 2012-04-26 Hans-Peter Nilsson <hp@axis.com>
207 * config/cris/cris.md ("*andhi_lowpart_v32")
208 ("*andqi_lowpart_v32"): Change first input-only operand from
209 a (match_operand ...) to (match_dup 0). Drop alternatives with
210 const_int-matching constraints for redundancy.
211 ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto. Drop
212 three-operand alternative.
214 2012-04-26 Uros Bizjak <ubizjak@gmail.com>
216 Backport from mainline
217 2012-04-23 Uros Bizjak <ubizjak@gmail.com>
219 * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
220 (*addsi_2_zext): Ditto.
221 (*add<mode>_3): Ditto.
222 (*addsi_3_zext): Ditto.
223 (*add<mode>_5): Ditto.
225 2012-04-25 Jakub Jelinek <jakub@redhat.com>
228 * c-typeck.c (set_nonincremental_init,
229 set_nonincremental_init_from_string): Pass true instead of false
230 as IMPLICIT to add_pending_init.
232 2012-04-24 Georg-Johann Lay <avr@gjlay.de>
234 Backport from 2012-04-24 mainline r186768.
237 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
239 2012-04-24 Richard Guenther <rguenther@suse.de>
241 PR tree-optimization/53085
242 * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
245 2012-04-24 Jakub Jelinek <jakub@redhat.com>
248 * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
250 (output_addressed_constants): Likewise.
253 * varasm.c (get_section): Don't ICE for section conflicts with
254 built-in section kinds.
256 2012-04-23 David Edelsohn <dje.gcc@gmail.com>
258 * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
260 2012-04-23 Georg-Johann Lay <avr@gjlay.de>
262 * doc/extend.texi (AVR Named Address Spaces): Fix typos.
264 2012-04-23 Richard Guenther <rguenther@suse.de>
267 * c-typeck.c (build_binary_op): Fix typo.
269 2012-04-23 Jakub Jelinek <jakub@redhat.com>
271 PR tree-optimizations/52891
272 * tree-vect-patterns.c (adjust_bool_pattern): Use
273 build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
274 but with non-standard precision.
276 2012-04-22 Ian Lance Taylor <iant@google.com>
278 * godump.c (go_output_typedef): Dump size of structs.
280 2012-04-20 Ulrich Weigand <ulrich.weigand@linaro.org>
282 Backport from mainline:
284 * config/arm/arm.c (arm_print_operand): Fix invalid alignment
285 hints for 'A' operand types.
287 2012-04-19 Georg-Johann Lay <avr@gjlay.de>
289 Backport from 2012-04-19 mainline r186588.
292 * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
295 2012-04-18 Uros Bizjak <ubizjak@gmail.com>
297 * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
299 2012-04-17 Uros Bizjak <ubizjak@gmail.com>
302 * config/i386/sync.md (atomic_<code><mode>): Rename to
303 atomic_<logic><mode>.
305 2012-04-16 Uros Bizjak <ubizjak@gmail.com>
307 Backport from mainline
308 2012-04-12 Uros Bizjak <ubizjak@gmail.com>
311 * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
312 argument type to __m256i. Update call to __builtin_ia32_permvarsf256.
313 * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
314 (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
315 * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
316 Update builtin type to V8SF_FTYPE_V8SF_V8SI.
317 (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
318 gen_avx2_permvarv8sf.
320 2012-04-16 Martin Jambor <mjambor@suse.cz>
322 Backported from mainline
324 2012-04-13 Martin Jambor <mjambor@suse.cz>
327 * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
328 fold_ctor_reference returns a zero constant.
330 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
332 Backported from mainline
333 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
335 * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
336 and __ILP32__ for x32.
338 2012-04-13 Tom de Vries <tom@codesourcery.com>
340 Backport from mainline r186418.
342 2012-04-13 Tom de Vries <tom@codesourcery.com>
344 * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
345 parameters vuse and vuse_escaped.
346 (find_duplicate): Init vuse1, vuse2 and vuse_escaped. Pass to
347 gsi_advance_bw_nondebug_nonlocal. Return if vuse_escaped and
350 2012-04-13 Richard Guenther <rguenther@suse.de>
352 PR tree-optimization/52969
353 * tree-if-conv.c (predicate_mem_writes): Properly gimplify
354 the condition for the COND_EXPR and handle predicate negation
355 by swapping the COND_EXPR arms.
357 2012-04-13 Richard Guenther <rguenther@suse.de>
360 * convert.c (convert_to_pointer): Remove special-casing of
363 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
365 Backport from mainline
366 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
369 * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
370 the list of options to enable the FCFID instruction.
371 (TARGET_EXTRA_BUILTINS): Adjust comment.
373 2012-04-12 Richard Guenther <rguenther@suse.de>
375 PR tree-optimization/52943
376 * tree-chrec.h (chrec_is_positive): Remove.
377 * tree-scalar-evolution.c (chrec_is_positive): Move ...
378 * tree-data-ref.c (chrec_is_positive): ... here. Make static.
379 Return false for a constant zero instead of negative.
380 (analyze_siv_subscript_cst_affine): Handle zero difference
381 in the initial condition explicitely.
383 2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
386 * varasm.c (process_pending_assemble_externals): Set
387 pending_assemble_externals_processed true.
388 (assemble_external): Call assemble_external_real if the pending
389 assemble externals have been processed.
391 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
394 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
395 the DECL generated for the special GOT helper.
397 2012-04-06 Walter Lee <walt@tilera.com>
399 Backport from mainline
400 2012-03-07 Walter Lee <walt@tilera.com>
402 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
403 REG_CFA_* notes for the stack pointer.
404 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
405 EH_RETURN_STACKADJ_RTX.
406 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
407 generate REG_CFA_* notes for the stack pointer.
408 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
409 by EH_RETURN_STACKADJ_RTX.
411 2012-04-06 Matt Turner <mattst88@gmail.com>
413 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
415 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
417 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
418 of the destination isn't also a FP_REGS register.
420 2012-04-03 Richard Guenther <rguenther@suse.de>
422 Backport from mainline
423 2012-03-02 Richard Guenther <rguenther@suse.de>
425 PR tree-optimization/52406
426 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
427 (struct indices): Add unconstrained_base member.
428 (struct dr_alias): Remove unused vops member.
429 (DR_UNCONSTRAINED_BASE): New define.
430 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
431 add indices to allow their disambiguation. Make DR_BASE_OBJECT
432 be an artificial access that covers the whole indexed object,
433 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
434 plain decl base-objects to their MEM_REF variant.
435 (dr_may_alias_p): When the base-object of either data reference
436 has unknown size use only points-to information.
437 (compute_affine_dependence): Make dumps easier to read and
439 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
440 DR_REF when looking for packed references.
441 (vect_supportable_dr_alignment): Likewise.
443 2012-04-03 Richard Guenther <rguenther@suse.de>
445 Backport from mainline
446 2012-03-15 Richard Guenther <rguenther@suse.de>
449 * tree-data-ref.c (subscript_dependence_tester_1): Check
450 all dimensions for non-conflicting access functions.
452 2012-04-03 Richard Guenther <rguenther@suse.de>
454 Backport from mainline
455 2012-03-06 Richard Guenther <rguenther@suse.de>
458 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
460 2012-03-23 Richard Guenther <rguenther@suse.de>
462 PR tree-optimization/52678
463 * tree-vectorizer.h (struct _stmt_vec_info): Add
464 loop_phi_evolution_part member.
465 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
466 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
467 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
468 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
469 Use the cached evolution part and the PHI nodes value from
470 the loop preheader edge instead of re-analyzing the evolution.
472 2012-03-26 Richard Guenther <rguenther@suse.de>
474 PR tree-optimization/52701
475 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
476 compute and set the evolution part of PHI nodes.
478 2012-03-30 Richard Guenther <rguenther@suse.de>
480 PR tree-optimization/52754
481 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
482 propagate arbitrary addresses into really plain dereferences.
484 2012-04-03 Jakub Jelinek <jakub@redhat.com>
486 PR tree-optimization/52835
487 * tree-data-ref.c (build_rdg): Return NULL if
488 compute_data_dependences_for_loop failed.
490 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
492 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
493 (stmt_can_make_abnormal_goto): Use it.
494 (is_ctrl_altering_stmt): Likewise.
496 2012-03-31 Martin Jambor <mjambor@suse.cz>
498 Backported from mainline
499 2012-03-30 Martin Jambor <mjambor@suse.cz>
501 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
502 is a builtin_stack_save in a dominating BB.
504 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
506 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
507 crossing 128bit lane boundary.
509 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
511 Backported from mainline
512 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
515 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
517 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
518 * config/i386/i386.c: Include reload.h.
519 (ix86_legitimize_reload_address): New function.
521 2012-03-28 Martin Jambor <mjambor@suse.cz>
523 Backported from mainline
524 2012-03-27 Martin Jambor <mjambor@suse.cz>
527 * tree-sra.c (sra_modify_assign): Do not call
528 load_assign_lhs_subreplacements when working with an unscalarizable
531 2012-03-28 Jakub Jelinek <jakub@redhat.com>
534 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
535 __builtin_va_start to __builtin_next_arg if the latter is
536 builtin_decl_explicit_p rather than when it is not.
539 * tree-vect-generic.c (vector_element): Perform multiplication
540 for pos in bitsizetype type instead of idx type.
542 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
544 Backport from 2012-03-28 mainline r185910.
547 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
548 (avr_builtin_decl): New static function.
549 (struct avr_builtin_description, avr_bdesc): Move up.
550 Add GTY marker. Add field fndecl. Remove redundant field id.
551 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
552 (avr_expand_builtin): Code cleanup because .id is removed.
554 2012-03-28 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
557 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
560 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
562 Backport from 2012-03-28 mainline r185907.
565 * config.gcc (tm_file): Remove avr/multilib.h.
567 * doc/invoke.texi (AVR Options): Adjust
568 documentation of -mtiny-stack.
570 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
571 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
572 * config/avr/t-avr: Remove generation of multilib.h.
573 * config/avr/t-multilib: Regenerate.
574 * config/avr/multilib.h: Remove.
575 * config/avr/avr.opt (-msp8): New option.
576 (avr_sp8): New variable.
577 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
578 * config/avr/avr.h (AVR_HAVE_SPH): New define.
579 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
580 (avr_device_to_sp8): New prototype.
581 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
582 (DRIVER_SELF_SPECS): New define.
583 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
584 __AVR_SP8__, __AVR_HAVE_SPH__.
585 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
586 AVR_HAVE_8BIT_SP to decide if SP_H is present.
587 (avr_file_start): Ditto.
589 2012-03-28 Jakub Jelinek <jakub@redhat.com>
592 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
593 instead of 8 in adjust_address.
595 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
597 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
598 of a unit before computing the offset in units.
600 2012-03-27 Richard Guenther <rguenther@suse.de>
603 * fold-const.c (try_move_mult_to_index): Handle &x.array more
606 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
609 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
611 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
614 * varasm.c: Include pointer-set.h.
615 (pending_assemble_externals_set): New pointer set.
616 (process_pending_assemble_externals): Destroy the pointer set.
617 (assemble_external): See if decl is in pending_assemble_externals_set,
618 and add it to pending_assemble_externals if necessary.
619 (init_varasm_once): Allocate pending_assemble_externals_set.
621 2012-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
623 Backported from mainline
624 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
627 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
628 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
629 (vector_ltgt<mode>): Likewise.
630 (vector_ordered<mode>): Likewise.
631 (vector_unordered<mode>): Likewise.
632 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
634 2012-03-23 Joern Rennecke <joern.rennecke@embecosm.com>
636 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
639 2012-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
641 Backported from mainline
642 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
646 * config/sh/sh.c (sh_register_move_cost): Increase cost between
647 GENERAL_REGS and FP_REGS for SImode.
649 2012-03-22 Jakub Jelinek <jakub@redhat.com>
652 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
653 on any new_local_var_chain vars declared during recursing on
654 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
656 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
658 Backport from 2012-03-22 mainline r185692.
661 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
662 (unspecv): Add UNSPECV_MEMORY_BARRIER.
663 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
664 (delay_cycles_1, delay_cycles_2): Ditto.
665 (delay_cycles_3, delay_cycles_4): Ditto.
666 (nopv, *nopv): Ditto.
667 (sleep, *sleep): Ditto.
670 Backport from 2012-03-21 mainline r185605.
672 PR rtl-optimization/52543
674 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
675 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
676 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
677 (avr_load_libgcc_p): Restrict to __flash loads.
678 (avr_out_lpm): Only handle 1-byte loads from __flash.
679 (avr_load_lpm): New function.
680 (avr_find_unused_d_reg): Remove.
681 (avr_out_lpm_no_lpmx): Remove.
682 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
683 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
684 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
685 (load_<mode>, load_<mode>_clobber): New insns.
686 (mov<mode>): For multi-byte move from non-generic
687 16-bit address spaces: Expand to load_<mode> resp.
689 (load<mode>_libgcc): Remove expander.
690 (split-lpmx): Remove split.
692 Backport from 2012-03-13 mainline r185329.
695 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
696 offset (size) to a value the insns can deal with.
697 (expand_epilogue): Ditto.
699 Backport from 2012-03-12 mainline r185256.
702 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
703 type from reg_class_t to enum reg_class.
704 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
706 Backport from 2012-03-12 mainline r185253.
709 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
710 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
711 r184615 from 2012-02-28.
713 Backport from 2012-03-08 mainline r185105.
715 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
716 for constants in [-63,63].
718 Backport from 2012-03-08 mainline r185100.
721 * config/avr/avr.c (avr_mem_clobber): New static function.
722 (avr_expand_delay_cycles): Add memory clobber operand to
723 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
724 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
725 (enable_interrupt, disable_interrupt): New expander.
726 (nopv, sleep, wdr): New expanders.
727 (delay_cycles_1): Add memory clobber.
728 (delay_cycles_2): Add memory clobber.
729 (delay_cycles_3): Add memory clobber.
730 (delay_cycles_4): Add memory clobber.
731 (cli_sei): New insn from former "enable_interrupt",
732 "disable_interrupt" with memory clobber.
733 (*wdt): New insn from former "wdt" with memory clobber.
734 (*nopv): Similar, but for "nopv".
735 (*sleep): Similar, but for "sleep".
737 Backport from 2012-03-07 mainline r185043.
740 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
742 Backport from 2012-03-07 mainline r185032.
745 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
746 to: RAMPZ, RAMPY, RAMPX, RAMPD.
747 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
749 Backport from 2012-03-07 mainline r185031.
752 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
754 * config/avr/avr.md (xload_8): Adjust insn length.
756 Backport from 2012-03-07 mainline r185030.
759 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
760 if RAMPZ affects reading from RAM.
762 Backport from 2012-03-05 mainline r184919.
764 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
766 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
768 Backport from mainline r185259.
771 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
772 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
774 2012-03-22 Jakub Jelinek <jakub@redhat.com>
776 Backported from mainline
777 2012-03-13 Jakub Jelinek <jakub@redhat.com>
780 * c-parser.c (c_parser_postfix_expression)
781 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
783 * config/i386/smmintrin.h: Avoid /* within a comment.
784 * config/i386/nmmintrin.h: Likewise.
786 2012-03-22 Richard Guenther <rguenther@suse.de>
788 * BASE-VER: Set to 4.7.1.
789 * DEV-PHASE: Set to prerelease.
791 2012-03-22 Release Manager
793 * GCC 4.7.0 released.
795 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
797 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
799 2012-03-15 Jakub Jelinek <jakub@redhat.com>
800 Andrew Pinski <apinski@cavium.com>
803 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
804 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
805 calls instead of __builtin_ir{int,ound}*.
807 2012-03-14 Jakub Jelinek <jakub@redhat.com>
810 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
813 2012-03-13 Joseph Myers <joseph@codesourcery.com>
815 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
816 Refer to GCC 4.7 version of c99status.html.
818 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
820 Backport from mainline
821 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
823 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
824 redefine to be NULL if the current bit-size is different from the
827 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
828 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
829 set the default tuning. Add asserts to make sure the cpu and tune
830 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
831 test whether the index is set, instead of > 0.
832 (rs6000_file_start): Do not reset the default cpu if the current
833 bit-size is different from the configured bit-size.
835 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
837 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
839 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
840 Update binutils references.
841 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
842 Update binutils reference.
843 Update Sun as/GNU ld caveat.
844 Document binutils largefile requirement for LTO plugin.
845 Remove reference to alternate libpthread.
847 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
849 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
851 (Specific, mips-sgi-irix6): Likewise.
853 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
855 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
856 * configure: Regenerate.
858 2012-03-07 Richard Henderson <rth@redhat.com>
860 * config/m68k/m68k.h (ISA_HAS_TAS): New.
861 * config/m68k/sync.md (atomic_test_and_set): Use it.
862 (atomic_test_and_set_1): Likewise.
864 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
867 * Makefile.in: Let install-gcc-ar depend on installdirs,
868 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
869 Don't double canonicalize if cross-compiling.
871 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
873 * trans-mem.c: New typedef for tm_region_p.
874 Define vector types for tm_region_p.
875 (tm_region_init): Replace region_worklist to a vector called
878 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
881 * trans-mem.c (tm_region_init): Use last_basic_block.
883 2012-03-05 Richard Henderson <rth@redhat.com>
886 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
887 * omp-low.c (expand_omp_atomic): Assume anything aligned to
888 BIGGEST_ALIGNMENT is aligned.
890 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
892 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
894 2012-03-05 Richard Henderson <rth@redhat.com>
897 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
898 instead of calling negqi2 directly.
900 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
902 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
903 (INTMAX_TYPE): Use it.
904 (UINTMAX_TYPE): Likewise.
905 (SUBTARGET_OVERRIDE_OPTIONS): Define.
906 (irix6_c_common_override_options): Declare.
907 (C_COMMON_OVERRIDE_OPTIONS): Define.
908 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
909 * config/mips/irix6-c.c: New file.
910 * config/mips/t-irix6 (irix6-c.o): New target.
911 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
914 2012-03-02 Richard Henderson <rth@redhat.com>
916 * optabs.c (expand_atomic_test_and_set): Honor
917 atomic_test_and_set_trueval even when atomic_test_and_set
920 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
922 Backport from mainline
923 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
925 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
927 2012-03-02 Richard Guenther <rguenther@suse.de>
929 * DEV-PHASE: Set to prerelease.
931 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
933 * config.gcc (obsolete): Add all ARM targets using the FPA.
934 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
935 * doc/install.texi: Avoid references to obsolete ARM ports.
937 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
939 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
941 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
942 Joern Rennecke <joern.rennecke@embecosm.com>
944 * doc/extend.texi: Expand and update information on interrupt
945 attribute for Epiphany.
947 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
949 * config/sh/sh-protos.h: Update copyright notice dates.
950 * config/sh/sh.h: Likewise.
951 * config/sh/sh.md: Likewise.
952 * config/sh/constraints.md: Likewise.
953 * config/sh/predicates.md: Likewise.
955 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
957 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
958 * config/sh/sh.c (tertiary_reload_operand): Likewise.
960 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
962 * config/sh/constraints.md: Fix comment typo.
964 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
967 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
968 unsigned HOST_WIDE_INT.
969 (zvdep_imm64): Likewise.
970 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
971 (vdepi_and): Likewise.
972 Likewise for unamed 64-bit patterns.
973 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
975 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
978 PR rtl-optimization/52417
979 * cselib.c (cselib_any_perm_equivs): New variable.
980 (cselib_reset_table): Check that it's not set when not
981 preserving constants.
982 (cselib_add_permanent_equiv): Set it.
983 (cselib_have_permanent_equivalences): New.
984 (cselib_init, cselib_finish): Reset it.
985 * cselib.h (cselib_have_permanent_equivalences): Declare.
986 * alias.c (get_addr): Restore earlier behavior when there
987 aren't permanent equivalences.
989 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
991 * config/mn10300/mn10300-modes.def: Fix copyright notice.
992 * config/v850/v850-modes.def: Fix copyright notice.
994 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
996 * doc/extend.texi (AVR Built-in Functions): Document
997 __builtin_avr_flash_segment.
999 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
1000 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
1001 (*split.flash_segment): New insn-and-split.
1002 * config/avr/avr.c (avr_init_builtins): Add local variables:
1003 const_memx_void_node, const_memx_ptr_type_node,
1004 char_ftype_const_memx_ptr.
1006 2012-03-01 Jakub Jelinek <jakub@redhat.com>
1008 PR tree-optimization/52445
1009 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
1010 add ssa_name_ver, offset and size fields and change store field
1012 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
1013 (add_or_mark_expr): Likewise. Only consider previous stores
1014 with the same size and offset.
1015 (nt_init_block): Only look at gimple_assign_single_p stmts,
1016 doesn't look at rhs2.
1018 2012-03-01 Richard Guenther <rguenther@suse.de>
1021 * tree-cfg.c (verify_gimple_assign_unary): Allow any
1022 conversions from integral types to pointer types.
1024 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
1026 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
1027 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
1028 unintentionally removed in r184616.
1030 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
1032 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
1035 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1036 Uros Bizjak <ubizjak@gmail.com>
1039 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
1040 alternatives, add "e" constraint to the new last alternative
1041 and ! to last 3 alternatives.
1043 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
1045 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
1046 DW_AT_artificial attributes at the end of the processing.
1047 (gen_array_type_die): Likewise.
1048 (gen_enumeration_type_die): Likewise.
1049 (gen_struct_or_union_type_die): Likewise.
1050 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
1053 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1056 * expr.c (expand_assignment): If doing misaligned store that doesn't
1057 cover all mode bits, perform a RMW cycle.
1059 PR tree-optimization/52429
1060 * tree-parloops.c (separate_decls_in_region_debug): Return early
1061 if var is LABEL_DECL.
1063 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1065 PR tree-optimization/52424
1066 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
1067 calling dom_thread_across_edge.
1069 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1071 * config/avr/avr.c: Move definition of TARGET macros to end of file.
1073 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1075 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
1076 * config/avr/avr.c (avr_output_bld): Remove unused function.
1077 (avr_out_sbxx_branch): Use "%T" to print bit position.
1079 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1081 * config/avr/avr.md: Untabify.
1083 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1085 * config/avr/avr.md (eqne): New code iterator.
1086 (*dec-and-branchsi): Use it in text peephole's condition.
1087 (*dec-and-branchhi): Ditto.
1088 (*dec-and-branchqi): Ditto.
1090 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1093 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
1094 the device does not have the skip-bug.
1096 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
1098 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
1099 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
1100 -mpretend-cmove): New.
1102 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1105 * df.h (struct df_d): Adjust comment that hard_regs_live_count
1106 doesn't count DEBUG_INSN refs.
1107 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
1108 for DEBUG_INSN refs.
1110 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1114 2012-02-20 Richard Guenther <rguenther@suse.de>
1115 PR tree-optimization/52298
1116 * tree-vect-stmts.c (vectorizable_load): Properly use
1117 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1120 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
1123 * gimple.h (gimple_in_transaction): New.
1124 (gimple_set_in_transaction): New.
1125 (struct gimple_statement_base): Add in_transaction field.
1126 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
1128 (tree_ssa_lim_initialize): Compute transaction bits.
1129 * tree.h (compute_transaction_bits): Protoize.
1130 * trans-mem.c (tm_region_init): Use the heap to store BB
1132 (compute_transaction_bits): New.
1134 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1136 * gcc.c (display_help): Document --help=common and sort entries
1139 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1141 * doc/install.texi: Document check-$LANG specific shortcuts
1143 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1146 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
1148 * config/arm/arm_neon.h: Regenerate.
1149 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
1150 (neon_vcgeu): New insn.
1151 (neon_vcgtu): Likewise.
1152 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
1153 (ops): Unsigned comparison intrinsics call a different
1156 2012-02-28 Richard Guenther <rguenther@suse.de>
1159 * config/i386/i386.c (ix86_expand_vector_set): Fix element
1160 ordering for the VEC_CONCAT for two element vectors for
1161 V2SFmode, V2SImode and V2DImode.
1163 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
1166 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
1167 detecting big-endian triplets.
1169 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
1171 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
1172 mode if there is no type information available.
1174 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
1176 PR tree-optimization/53207
1177 * doc/invoke.texi: Document as experimental and relying on graphite.
1179 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1181 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
1182 of initializer to changes from r184614.
1184 2012-02-28 Richard Guenther <rguenther@suse.de>
1186 PR tree-optimization/52395
1187 * tree-sra.c (build_ref_for_offset): Also look at the base
1188 TYPE_ALIGN when figuring out the alignment of the replacement.
1190 2012-02-28 Richard Guenther <rguenther@suse.de>
1192 PR tree-optimization/52402
1193 * ipa-prop.c (ipa_modify_call_arguments): Properly use
1194 mis-aligned types when creating the accesses at the call site.
1196 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1198 * config/avr/builtins.def: New file.
1199 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
1200 * config/avr/avr.c (enum avr_builtin_id): Use it.
1201 (avr_init_builtins): Use it. And use avr_bdesc.
1202 (bdesc_1arg): Remove.
1203 (bdesc_2arg): Remove.
1204 (bdesc_3arg): Remove.
1205 (struct avr_builtin_description): Add field n_args.
1206 (avr_bdesc): New static variable using builtins.def.
1207 (avr_expand_builtin): Use it.
1208 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
1209 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
1210 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
1212 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1215 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
1216 match only one single hard register with respective hard reg rtx.
1217 (movmemx_<mode>): Ditto.
1218 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
1219 insn anatomy of movmem[x]_<mode>.
1220 (avr_out_movmem): Same for printing assembler and operand usage.
1222 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1226 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
1227 address spaces located outside of device flash.
1229 * config/avr/avr.h (base_arch_s): Remove field n_segments.
1230 (mcu_type_s): Add field n_flash.
1231 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
1232 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
1233 (AVR_MCU): Add N_FLASH argument.
1234 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
1235 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
1236 macro __FLASH<n> if that address space makes sense for the device.
1237 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
1238 outside of target flash.
1239 (avr_asm_named_section): Ditto.
1240 (avr_asm_select_section): Ditto.
1241 (avr_addr_space_convert): Ditto.
1242 (avr_emit_movmemhi): Ditto.
1243 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
1244 address space is outside of device flash.
1245 (avr_insert_attributes): Ditto.
1246 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
1247 avr_current_arch->n_segments.
1249 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
1252 * config/i386/i386.md (*movabs<mode>_1): Enable only for
1254 (*movabs<mode>_2): Likewise.
1256 2012-02-27 Jakub Jelinek <jakub@redhat.com>
1259 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
1260 s_register_operand in the test instead of REG_P. Don't call
1261 gen_reg_rtx if it won't be used.
1263 PR tree-optimization/52376
1264 * ipa-split.c (split_function): Ignore CLOBBER stmts.
1266 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
1268 * ifcvt.c (noce_get_condition): Check condition variable is not
1269 small_register_classes_for_mode_p before accepting.
1271 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
1273 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1275 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1278 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1279 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1281 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1283 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
1285 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1287 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
1289 * config/sh/predicates.md: Remove blank lines.
1290 * config/sh/sh.c: Fix typos in comments.
1291 * config/sh/constraints.md: Likewise.
1292 * config/sh/sh.md: Remove blank lines.
1293 Fix typos in comments. Use ;; as comment characters.
1295 2012-02-26 Walter Lee <walt@tilera.com>
1297 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1298 (replace_mov_pcrel_step2): Ditto.
1300 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
1303 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1304 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
1305 and locs that reference values newer than the non-canonical value
1306 at hand. Return the canonical value as a worst case.
1307 (memrefs_conflict_p): Walk canonical value's locs.
1310 * cselib.c (preserve_only_constants): Rename to...
1311 (preserve_constants_and_equivs): ... this. Split out...
1312 (invariant_or_equiv_p): ... this. Preserve plus expressions
1313 of other preserved expressions too.
1314 (cselib_reset_table): Adjust.
1315 * var-tracking.c (reverse_op): Use canonical value to build
1318 2012-02-23 Kai Tietz <ktietz@redhat.com>
1320 * config/i386/i386.c (ix86_delegitimize_address): Handle
1321 UNSPEC_PCREL plus displacement.
1323 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
1326 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1327 to test for unusedness in st X addressing.
1329 2012-02-24 Richard Guenther <rguenther@suse.de>
1332 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1333 (is_gimple_reg_type): Move inline ...
1334 * gimple.h (is_gimple_reg_type): ... here.
1336 2012-02-24 Richard Guenther <rguenther@suse.de>
1339 * passes.c (execute_function_todo): When verifying SSA form
1340 verify gimple form first.
1341 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1343 2012-02-24 Richard Guenther <rguenther@suse.de>
1346 * fold-const.c (fold_addr_of_array_ref_difference): New function.
1347 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1349 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1351 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1353 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1355 * tree-phinodes.c (make_phi_node): Mark static.
1356 * tree-flow.h (make_phi_node): Remove extern decl.
1357 * doc/gimple.texi (make_phi_node): Remove documentation.
1359 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1361 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1362 * tree-ssa-sccvn.c (print_scc): Ditto.
1364 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1366 * doc/passes.texi (Full redundancy elimination): Fix typo.
1368 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1370 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1372 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
1375 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1377 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
1380 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1382 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
1384 * config/avr/avr.md (code_stdname): Add ior, xor.
1385 (xior): New code iterator.
1386 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1387 (*<code_stdname><mode>qi.byte1-3): Ditto.
1389 2012-02-23 Jakub Jelinek <jakub@redhat.com>
1391 PR tree-optimization/52019
1392 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1395 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1397 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1398 HAVE_INITFINI_ARRAY to work around namespace pollution in
1399 certain versions of newlib system headers.
1400 * config.in: Regenerate.
1401 * configure: Regenerate.
1402 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1403 instead of HAVE_INITFINI_ARRAY.
1405 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
1408 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1409 is not offsettable memory reference.
1411 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1414 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1415 setting avr_need_clear_bss_p for __gnu_lto* symbols.
1417 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1419 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1420 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1422 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1424 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1425 library on Solaris 8 even without TLS support.
1426 * configure: Regenerate.
1428 2012-02-22 Richard Guenther <rguenther@suse.de>
1431 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1432 for GIMPLE_DEBUG stmts.
1434 2012-02-22 Martin Jambor <mjambor@suse.cz>
1437 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1438 according to the base object.
1440 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1442 PR rtl-optimization/50063
1443 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1444 and 2 (8-bit SP) in operand 2.
1445 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1446 setup to use movhi_sp_r instead of vanilla move to write SP.
1447 Adjust REG_CFA notes to superseed unspec.
1448 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1450 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1451 known to be off) only with TARGET_NO_INTERRUPTS. Never use
1452 irq_state 1 (IRQ known to be on) here.
1454 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
1456 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1458 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1459 assign_hard_reg): Likewise.
1461 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1463 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1465 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1468 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1469 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1471 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1473 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1474 prototype from here to...
1475 * config/avr/avr.h: ...here.
1477 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
1480 * thumb2.md (thumb2_shiftsi3_short): Split register and
1481 immediate shifts. For register shifts tie operands 0 and 1.
1482 (peephole2 for above): Check that register-controlled shifts
1483 have suitably tied operands.
1485 2012-02-21 Quentin Neill <quentin.neill@amd.com>
1488 * config/i386/bdver1.md (bdver1_call, bdver1_push,
1489 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1490 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1491 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1492 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1493 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1494 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1495 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1496 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1497 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1498 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1499 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1500 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1501 bdver1_ssevector_avx256_unaligned_load,
1502 bdver1_ssevector_sse128_unaligned_load,
1503 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1504 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1505 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1506 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1507 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1508 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1509 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1510 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1511 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1512 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1513 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1514 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1515 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1516 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1517 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1518 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1519 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1520 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1521 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1522 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1523 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1524 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1525 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1526 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1527 bdver1_ssediv_double_load, bdver1_ssediv_double,
1528 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1529 Add "bdver2" attribute.
1531 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1533 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1534 default if possible and not specified otherwise.
1536 2012-02-21 Richard Guenther <rguenther@suse.de>
1539 * gimplify.c (create_tmp_from_val): Use the main variant type
1540 for the type of the temporary we create.
1542 2012-02-21 Richard Guenther <rguenther@suse.de>
1544 PR tree-optimization/52324
1545 * gimplify.c (gimplify_expr): When re-gimplifying expressions
1546 do not gimplify a MEM_REF address operand if it is already
1549 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1551 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1552 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1554 2012-02-21 Richard Guenther <rguenther@suse.de>
1556 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1557 nested_in_vect_loop.
1559 2012-02-21 Jakub Jelinek <jakub@redhat.com>
1561 PR tree-optimization/52318
1562 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1563 vdef also to non-pure/const call stmts in the sequence.
1565 2012-02-20 David S. Miller <davem@davemloft.net>
1567 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1568 don't use the "rd %pc" instruction on v9 for PIC register loads.
1570 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
1573 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1574 in a transaction safe function.
1576 2012-02-20 Kai Tietz <ktietz@redhat.com>
1579 * stor-layout.c (place_field): Handle desired_align for
1582 2012-02-20 Richard Guenther <rguenther@suse.de>
1584 PR tree-optimization/52298
1585 * tree-vect-stmts.c (vectorizable_store): Properly use
1586 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1588 (vectorizable_load): Likewise.
1589 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1590 Access DR_STEP after ensuring it is not NULL.
1592 2012-02-20 Jakub Jelinek <jakub@redhat.com>
1594 PR tree-optimization/52286
1595 * fold-const.c (fold_binary_loc): For (X & C1) | C2
1596 optimization use double_int_to_tree instead of build_int_cst_wide,
1597 rewrite to use double_int vars.
1599 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1602 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1604 Remove -e 0 from $gcc_cv_ld invocation.
1605 Only use __GLIBC_PREREQ if defined.
1606 Enable on Solaris since Solaris 8 patch.
1607 (gcc_SUN_LD_VERSION): New macro.
1608 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1609 gcc_SUN_LD_VERSION for version number format.
1610 * configure: Regenerate.
1611 * varasm.c (get_elf_initfini_array_priority_section): Set
1612 SECTION_NOTYPE for non-default priority.
1613 Use get_section instead of get_unnamed_section to emit
1614 .init_array/.fini_array with default priority.
1616 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1618 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1619 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
1620 (mips_start_unique_function, mips_output_mips16_rdhwr)
1621 (mips_code_end): New functions.
1622 (TARGET_ASM_CODE_END): Define.
1624 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1626 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1627 to stubs with non-sibling calls.
1629 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
1631 * doc/invoke.texi (-fira-* options): Copy-edit.
1632 (ira-* parameters): Copy-edit.
1634 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1636 * doc/invoke.texi: Minor copy-edits to bring into conformance with
1637 GCC coding conventions.
1639 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1641 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1642 when used as adjectives.
1644 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
1646 * doc/invoke.texi: Clean up "that"/"which" confusion.
1648 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
1650 * system.h: Poison SMALL_REGISTER_CLASSES
1651 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1652 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1654 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1656 PR tree-optimization/52285
1657 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1658 when deciding if a call is a tail call or tail recursion.
1660 2012-02-16 Kai Tietz <ktietz@redhat.com>
1662 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1663 interger-constant displacement for UNSPEC_PCREL.
1665 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1667 PR rtl-optimization/52208
1668 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1669 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1671 PR tree-optimization/52255
1672 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1673 loop->header has virtual PHI, but exit_e->dest doesn't, add
1674 virtual PHI to exit_e->dest and adjust all uses after the loop.
1677 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1678 children with clone_tree_hash, not after it.
1680 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
1682 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1683 extended identifiers.
1685 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1688 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1689 a same_body_alias, also test whether e->callee isn't a former
1690 or current clone of the decl this is a same body alias of.
1692 PR translation/52264
1693 * cgraphunit.c (verify_cgraph_node): Fix a typo.
1695 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
1697 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1699 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
1702 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1703 force_reg instead of copy_to_reg for better optimization. Force
1704 non-register or memory operands into a register.
1706 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
1708 * extend.texi: Reserve upper bits of memory model for future use.
1710 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
1711 Anatoly Sokolov <aesok@post.ru>
1712 Eric Weddington <eric.weddington@atmel.com>
1715 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1716 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1717 Rewrite initializers for .macro.
1718 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1719 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1720 atxmega32d4, atxmega32x1.
1721 avrxmega4: atxmega64a3, atxmega64d3.
1722 avrxmega5: atxmega64a1, atxmega64a1u.
1723 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1724 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1725 avrxmega7: atxmega128a1, atxmega128a1u.
1726 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1727 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1728 (struct base_arch_s): Rename reserved to xmega_p.
1729 Rename reserved2 to have_rampd.
1730 (AVR_XMEGA): New define.
1731 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1732 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1733 * config/avr/predicates.md (io_address_operand): Take into
1735 (low_io_address_operand): Ditto.
1736 (high_io_address_operand): Ditto.
1737 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1738 (enabled, movhi_sp_r): Use them.
1739 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1740 cpp_define_formatted to built-in define __AVR_ARCH__.
1741 (__AVR_XMEGA__): New built-in define.
1742 (__AVR_HAVE_RAMPD__): New built-in define.
1743 (__AVR_HAVE_RAMPX__): New built-in define.
1744 (__AVR_HAVE_RAMPY__): New built-in define.
1745 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1747 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1748 (avr_option_override): Initialize them.
1749 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1750 (avr_init_expanders): Initialize them. No more block several calls.
1751 (emit_push_sfr): New static function.
1752 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1754 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1755 (avr_print_operand): Print addreeses as symbols for
1756 RAMPX, RAMPY, RAMPD, CCP.
1757 (output_movhi): Handle AVR_XMEGA when writing to SP.
1758 (avr_out_movhi_mr_r_xmega): New static function.
1759 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1760 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
1761 __RAMPD__, __CCP__ as needed.
1763 * config/avr/multilib.h: Regenerate.
1764 * config/avr/t-multilib: Regenerate.
1765 * config/avr/avr-tables.opt: Regenerate.
1767 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
1769 PR tree-optimization/50561
1770 * graphite-flattening.c (lst_project_loop): Do not
1771 remove old scattering dimensions after flattening.
1772 (lst_do_flatten): Likewise.
1774 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
1776 * doc/extend.texi (AVR Built-in Functions): Remove doc for
1777 __builtin_avr_map8, __builtin_avr_map16.
1778 Document __builtin_avr_insert_bits.
1780 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1781 (insert_bits): New insn.
1782 (adjust_len.map_bits): Rename to insert_bits.
1783 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1784 * avr-protos.h (avr_out_map_bits): Remove.
1785 (avr_out_insert_bits, avr_has_nibble_0xf): New.
1786 * config/avr/constraints.md (Cxf,C0f): New.
1787 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1788 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1789 New built-in define __BUILTIN_AVR_INSERT_BITS.
1790 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1791 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1792 (avr_move_bits): Rewrite.
1793 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1795 (avr_map_op_t): New typedef.
1796 (avr_map_op): New static variable.
1797 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1798 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1799 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1800 (bdesc_3arg, avr_expand_triop_builtin): New.
1801 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1802 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1803 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1804 (avr_map_equal_p, avr_map_sig_p): Remove.
1805 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1806 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1807 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1808 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1809 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1810 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1812 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1814 * config/c6x/c6x.md (reserve_cycles): New attribute.
1815 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1816 don't reserve functional units after the branch occurs.
1818 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
1821 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1822 functions into non-tm_pure functions.
1824 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
1827 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1828 (iterative_hash_canonical_type): Likewise.
1829 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1832 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1834 * haifa-sched.c (prune_ready_list): Ensure that if there is a
1835 sched-group insn, it either remains alone or the entire list is pruned.
1837 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1839 * doc/install.texi (Prerequisites): Fix grammar.
1840 (Configuration): Likewise.
1842 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1844 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1845 MPC as part of GCC before describing configuring with --with-gmp etc.
1846 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1847 sources are present.
1849 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1852 * dwarf2out.c (clone_tree_hash): New function.
1853 (copy_decls_walk): Use it instead of clone_tree.
1855 2012-02-14 Richard Guenther <rguenther@suse.de>
1857 PR tree-optimization/52244
1858 PR tree-optimization/51528
1859 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1860 replacements for integral types.
1862 2012-02-14 Walter Lee <walt@tilera.com>
1864 * config.gcc: Handle tilegx and tilepro.
1865 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1867 Add HAVE_AS_TLS check for tilegx and tilepro.
1868 * configure: Regenerate.
1869 * doc/contrib.texi: Add Mat Hostetter and self.
1870 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1871 Document instruction intrinsics and network accessing intrinsics.
1872 (TILEPro Built-in Functions): New node. Document instruction
1873 intrinsics and network accessing intrinsics.
1874 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1875 (Specific, tilepro-*-linux*): Likewise.
1876 * doc/invoke.texi (TILE-Gx Options): New section.
1877 (TILEPro Options): New section.
1878 * doc/md.texi (TILE-Gx): New section.
1879 (TILEPro): New section.
1880 * common/config/tilegx/tilegx-common.c: New file.
1881 * common/config/tilepro/tilepro-common.c: New file.
1882 * config/tilegx/constraints.md: New file.
1883 * config/tilegx/linux.h: New file.
1884 * config/tilegx/mul-tables.c: New file.
1885 * config/tilegx/predicates.md: New file.
1886 * config/tilegx/sync.md: New file.
1887 * config/tilegx/t-tilegx: New file.
1888 * config/tilegx/tilegx-builtins.h: New file.
1889 * config/tilegx/tilegx-c.c: New file.
1890 * config/tilegx/tilegx-generic.md: New file.
1891 * config/tilegx/tilegx-modes.def: New file.
1892 * config/tilegx/tilegx-multiply.h: New file.
1893 * config/tilegx/tilegx-protos.h: New file.
1894 * config/tilegx/tilegx.c: New file.
1895 * config/tilegx/tilegx.h: New file.
1896 * config/tilegx/tilegx.md: New file.
1897 * config/tilegx/tilegx.opt: New file.
1898 * config/tilepro/constraints.md: New file.
1899 * config/tilepro/gen-mul-tables.cc: New file.
1900 * config/tilepro/linux.h: New file.
1901 * config/tilepro/mul-tables.c: New file.
1902 * config/tilepro/predicates.md: New file.
1903 * config/tilepro/t-tilepro: New file.
1904 * config/tilepro/tilepro-builtins.h: New file.
1905 * config/tilepro/tilepro-c.c: New file.
1906 * config/tilepro/tilepro-generic.md: New file.
1907 * config/tilepro/tilepro-modes.def: New file.
1908 * config/tilepro/tilepro-multiply.h: New file.
1909 * config/tilepro/tilepro-protos.h: New file.
1910 * config/tilepro/tilepro.c: New file.
1911 * config/tilepro/tilepro.h: New file.
1912 * config/tilepro/tilepro.md: New file.
1913 * config/tilepro/tilepro.opt: New file.
1915 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1917 PR tree-optimization/52210
1918 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1919 vect_model_simple_cost with two entry vect_def_type array instead
1920 of an address of dt.
1922 2012-02-14 Richard Guenther <rguenther@suse.de>
1925 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1926 Do not stream DECL_QUALIFIER.
1927 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1928 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1929 (find_decls_types_r): Do not walk DECL_QUALIFIER.
1931 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1934 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1937 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1940 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1941 * cselib.c (cselib_subst_to_values_from_insn): New function.
1942 * sched-deps.c (add_insn_mem_dependence,
1943 sched_analyze_1, sched_analyze_2): Use it.
1945 2012-02-13 Jan Hubicka <jh@suse.cz>
1948 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1950 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
1952 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1953 (GTM_SELF_SPECS): Define if not already defined.
1954 (driver_self_specs): Add GTM_SELF_SPECS.
1955 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1956 (GTM_SELF_SPECS): Define.
1957 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1958 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1960 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1962 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1965 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1968 * omp-low.c (expand_omp_for): If a static schedule without chunk size
1969 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1971 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
1974 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1976 2012-02-13 Richard Guenther <rguenther@suse.de>
1978 PR translation/52211
1979 * passes.c (enable_disable_pass): Fix typo.
1981 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1984 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1985 XOR for reduce_bit_field if type is unsigned.
1987 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
1989 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1990 disallow changes from SFmode to mode with different size in FP regs.
1992 2012-02-12 Robert Millan <rmh@gnu.org>
1993 Gerald Pfeifer <gerald@pfeifer.com>
1995 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1998 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
2000 PR rtl-optimization/52175
2001 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
2002 to frame-related instructions.
2004 2012-02-10 Jason Merrill <jason@redhat.com>
2007 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2008 (demangle_new_symbols): Fill it.
2009 (scan_linker_output): Walk it.
2010 (start_tweaking): Split out from scan_linker_output.
2011 (maybe_tweak): Update sym->chosen.
2012 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
2014 2012-02-11 Jakub Jelinek <jakub@redhat.com>
2017 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
2019 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
2021 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2022 having the same mode as previous compare.
2024 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
2026 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
2027 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
2028 (nonlocal_goto_internal): Likewise.
2029 (nonlocal_goto): Emit a use and an indirect jump directly.
2031 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
2034 * doc/extend.texi : Update comments for __atomic_compare_exchange and
2035 __atomic_{is,always}_lock_free.
2037 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
2040 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
2041 negative constant address for x32.
2043 2012-02-10 Richard Henderson <rth@redhat.com>
2045 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
2046 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
2047 for GIMPLE_TRANSACTION. Tidy if's into a switch.
2049 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2050 Ira Rosen <irar@il.ibm.com>
2052 PR tree-optimization/50031
2053 * targhooks.c (default_builtin_vectorization_cost): Handle
2055 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
2056 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
2057 all types of reduction and pattern statements.
2058 (vect_estimate_min_profitable_iters): Likewise.
2059 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
2060 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
2061 for explicit realigns.
2062 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
2063 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
2065 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
2066 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
2067 vec_perm for VSX and handle vec_promote_demote.
2069 2012-02-10 Jakub Jelinek <jakub@redhat.com>
2072 * builtins.c (fold_builtin_atomic_always_lock_free,
2073 expand_builtin_atomic_always_lock_free,
2074 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
2075 Return and/or test boolean_true_node/boolean_false_node instead of
2076 integer_one_node/integer_zero_node.
2078 2012-02-10 Jan Hubicka <jh@suse.cz>
2081 * predict.c (predict_paths_for_bb): Prevent looping.
2082 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
2084 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
2086 * config/arm/arm.c (output_move_double): In one case properly
2087 count number of instructions that will be emitted.
2089 2012-02-10 Richard Guenther <rguenther@suse.de>
2091 PR translation/52193
2092 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
2094 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
2097 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
2099 2012-02-09 Jakub Jelinek <jakub@redhat.com>
2102 * var-tracking.c (emit_note_insn_var_location): If
2103 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
2104 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
2105 non-NOTE_DURING_CALL_P insn.
2107 2012-02-09 Bin Cheng <bin.cheng@arm.com>
2110 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
2112 2012-02-08 Magnus Granberg <zorry@gentoo.org>
2115 * gcc.c (switch_matches) Support switches with separated form,
2118 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
2120 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
2122 (RAMPZ_ADDR): Ditto.
2123 * config/avr/avr.c (avr_addr_t): New typedef.
2124 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
2125 (avr_init_expanders): Initialize it.
2126 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
2128 (expand_epilogue): Ditto.
2129 (avr_print_operand): Ditto.
2130 (avr_file_start): Ditto.
2131 (avr_emit_movmemhi): Ditto.
2133 2012-02-08 Richard Guenther <rguenther@suse.de>
2135 PR tree-optimization/46886
2136 * tree-flow.h (do_while_loop_p): Declare.
2137 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
2138 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
2140 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
2142 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
2143 always succeed for integers larger than a native word.
2145 2012-02-08 Richard Guenther <rguenther@suse.de>
2147 PR rtl-optimization/52170
2148 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
2149 properly handle integer vector modes.
2151 2012-02-08 Jakub Jelinek <jakub@redhat.com>
2153 PR gcov-profile/52150
2154 * coverage.c: Include target.h.
2155 (build_var): Call targetm.strip_name_encoding on the assembler name.
2156 Change one _ into . or $ if the target allows it.
2157 * Makefile.in (coverage.o): Depend on $(TARGET_H).
2159 PR rtl-optimization/52139
2160 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
2161 is a BARRIER after emit_insn_after_noloc, move BB_END
2162 to the last non-BARRIER insn before it.
2164 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
2167 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
2168 (mips_gimplify_va_arg_expr): Call it instead of
2169 std_gimplify_va_arg_expr.
2171 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
2173 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
2174 message for -mno-pointers-to-nested-function.
2176 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
2179 * expr.c (get_inner_reference): If there is an offset, add a negative
2180 bit position to it (if any).
2182 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2184 PR rtl-optimization/52060
2185 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
2186 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
2187 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
2188 and/or i0src_copy2 when needed.
2190 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2192 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
2193 or LTOPLUGINSONAME if have_c.
2195 * config/freebsd-spec.h: Add comment about what macros can be defined
2197 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
2198 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
2201 2012-02-07 Richard Guenther <rguenther@suse.de>
2203 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
2204 newline in -alias dumps.
2206 2012-02-07 Kai Tietz <ktietz@redhat.com>
2207 Dave Korn <dave.korn.cygwin@gmail.com>
2210 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2211 Take care that typinfo gets dllexport-attribute.
2213 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2216 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
2217 if modifier < EXPAND_SUM call force_operand on the result.
2219 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
2221 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
2222 adding __forwarder_dst__ prefix if a forwarder_section attribute is
2224 (epiphany_function_type): Replace types for specific interrupts with
2225 EPIPHANY_FUNCTION_INTERRUPT.
2226 (EPIPHANY_INTERRUPT_P): Update.
2227 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
2228 New static function.
2229 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
2230 <disinterrupt>: Affects type identity.
2231 (epiphany_handle_interrupt_attribute): Handle variable number of
2233 (epiphany_compute_function_type): Update for new
2234 epiphany_function_type definition.
2235 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
2236 handlers with a longcall forwarder.
2237 (epiphany_start_function): Handle multiple interrupt arguments and/or
2238 forwarder_section attribute.
2240 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
2243 2012-02-07 Alan Modra <amodra@gmail.com>
2246 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
2249 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2251 PR tree-optimization/50969
2252 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
2253 use vec_perm rather than vector_stmt.
2254 (vect_model_load_cost): Likewise.
2255 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
2256 vec_perm to be the same as other vector statements.
2257 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
2258 cost of vec_perm for TARGET_VSX.
2260 2012-02-06 Richard Guenther <rguenther@suse.de>
2262 PR tree-optimization/52115
2263 * tree-sra.c (access_has_replacements_p): New function.
2264 (sra_modify_assign): Use it to decide whether a use is uninitialized.
2266 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
2269 * trans-mem.c (expand_call_tm): Add an assertion.
2270 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2273 2012-02-06 Richard Guenther <rguenther@suse.de>
2275 PR tree-optimization/50955
2276 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2277 raise cost of expressions that replace an address with an
2278 expression based on a different pointer.
2280 2012-02-06 Jakub Jelinek <jakub@redhat.com>
2283 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2284 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2286 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
2289 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2290 -Weffc++ and specify guidelines come from second edition.
2292 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
2294 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2295 (sibcall_value_multiple_internal, call_split, call_internal_direct)
2296 (call_direct_split, call_value_split, call_value_internal_direct)
2297 (call_value_direct_split, call_value_multiple_split): Use jal and
2298 jal_macro attributes.
2300 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
2302 * reload1.c (reload_regs_reach_end_p): Replace with...
2303 (reload_reg_rtx_reaches_end_p): ...this function.
2304 (new_spill_reg_store): Update commentary.
2305 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2306 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2307 before setting new_spill_reg_store.
2308 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2309 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2310 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2311 for non-spill reload registers.
2313 2012-02-05 Ira Rosen <irar@il.ibm.com>
2315 PR tree-optimization/52091
2316 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2317 (vect_is_simple_use_1): Likewise.
2318 * tree-vect-loop.c (vectorizable_reduction): Update calls
2319 to vect_is_simple_use_1 and vect_is_simple_use.
2320 (vectorizable_live_operation): Likewise.
2321 * tree-vect-patterns.c (widened_name_p,
2322 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2323 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2324 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2325 vectorizable_shift,vectorizable_operation, vectorizable_store,
2326 vectorizable_load): Likewise.
2327 (vect_is_simple_cond): Add an argument, pass it to
2328 vect_is_simple_use_1.
2329 (vectorizable_condition): Update calls to vect_is_simple_cond,
2331 (vect_is_simple_use): Add an argument, the statement in which
2332 OPERAND is used. Check that if OPERAND's def stmt is a double
2333 reduction phi node, the use is a phi node too.
2334 (vect_is_simple_use_1): Add an argument, pass it to
2336 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2337 to vect_is_simple_use.
2339 2012-02-04 Jakub Jelinek <jakub@redhat.com>
2341 PR rtl-optimization/52095
2342 * modulo-sched.c (dump_insn_locator): New function.
2343 (loop_canon_p, sms_schedule): Use it.
2345 PR rtl-optimization/52113
2346 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2347 even for decomposable shift/zext insns.
2349 2012-02-03 Jakub Jelinek <jakub@redhat.com>
2350 Zdenek Dvorak <ook@ucw.cz>
2352 PR rtl-optimization/52092
2353 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2354 on get_iv_value result.
2356 2012-02-02 Andrew Pinski <apinski@cavium.com>
2360 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2362 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2365 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2367 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
2369 PR rtl-optimization/49800
2370 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2371 (sched_finish): Call regstat_free_n_sets_and_refs.
2373 2012-02-02 Jia Liu <proljc@gmail.com>
2375 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2378 2012-02-02 Jan Hubicka <jh@suse.cz>
2379 Tom de Vries <tom@codesourcery.com>
2382 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2383 * varpool.c (varpool_analyze_pending_decls): Likewise.
2385 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2386 Jayant R Sonar <jayant.sonar@kpitcummins.com>
2388 * config.gcc: Add cr16-* support.
2390 * doc/extend.texi: Document cr16 extensions.
2391 * doc/install.texi: Document cr16 install.
2392 * doc/invoke.texi: Document cr16 options.
2393 * doc/md.texi: Document cr16 constraints.
2395 * common/config/cr16/cr16-common.c: New file.
2396 * config/cr16/cr16.c: New file.
2397 * config/cr16/cr16.h: New file.
2398 * config/cr16/cr16.md: New file.
2399 * config/cr16/cr16.opt: New file.
2400 * config/cr16/cr16-protos.h: New file.
2401 * config/cr16/predicates.md: New file.
2402 * config/cr16/constraints.md: New file.
2403 * config/cr16/t-cr16: New file.
2405 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2408 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2409 that operands[2] is either immediate, or q_regs_operand.
2411 PR tree-optimization/52073
2412 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2413 a pattern stmt for pattern uses, ignore uses outside of the loop.
2415 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2417 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2418 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2419 (OUT_AS1, OUT_AS2): Remove.
2421 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2423 PR rtl-optimization/51374
2424 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2425 to cross other volatile_refs_p insns.
2427 2012-02-01 Richard Guenther <rguenther@suse.de>
2429 * doc/invoke.texi (fno-inline): Clarify documentation.
2430 (finline-small-functions): Likewise.
2431 (finline-functions): Likewise.
2432 * common.opt (finline): Adjust comment and documentation.
2433 (finline-small-functions): Clarify documentation.
2434 (finline-functions): Likewise.
2435 (finline-functions-called-once): Likewise.
2437 2012-02-01 Tristan Gingold <gingold@adacore.com>
2439 * c-typeck.c (composite_type): Keep mode for pointers.
2441 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
2443 * function.h (regno_reg_rtx): Adjust comment.
2444 * reginfo.c (init_reg_modes_target): Only use the previous mode
2445 if it fits within one register. Remove MIPS comment.
2447 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2450 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2452 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2454 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2455 to srak instruction.
2457 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2459 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2461 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2466 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2468 2012-01-31 Richard Guenther <rguenther@suse.de>
2470 PR tree-optimization/51528
2471 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2474 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2479 * ree.c (add_removable_extension): Change def_map argument
2480 to unsigned *, store in def_map 1 + offset into *insn_list vector
2481 instead of pointers into the vector.
2482 (find_removable_extensions): Adjust caller.
2484 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2486 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2487 Transform all "* quoted-c-code" to { c-code }.
2488 Remove redundant test for "optimize" in combine patterns.
2489 Move (include "avr-dimode.md") to end of file.
2491 2012-01-30 Bin Cheng <bin.cheng@arm.com>
2494 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2495 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2497 2012-01-30 Richard Guenther <rguenther@suse.de>
2499 PR tree-optimization/52028
2500 * tree-loop-distribution.c (ldist_gen): Properly update
2503 2012-01-30 Jakub Jelinek <jakub@redhat.com>
2506 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2507 set_cur_line_info_table if not emitting debug info.
2509 PR tree-optimization/52046
2510 * tree-vect-patterns.c (check_bool_pattern): Give up if
2511 a comparison could throw.
2514 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2516 2012-01-30 Richard Guenther <rguenther@suse.de>
2518 PR tree-optimization/52045
2519 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2520 SSA form if cfgcleanup did anything.
2522 2012-01-30 Richard Guenther <rguenther@suse.de>
2524 PR tree-optimization/52045
2525 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2526 before computing final todo.
2528 2012-01-30 Richard Guenther <rguenther@suse.de>
2530 PR tree-optimization/51528
2531 * tree-sra.c (sra_modify_assign): Re-factor in preparation
2534 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
2536 * df-problems.c (df_kill_notes): Check that the use refers
2537 to the note under examination.
2539 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
2542 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2543 parameter and use short-lived pseudos.
2544 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2545 (sparc_expand_vector_init): Const-ify local variables and adjust
2546 calls to above functions.
2548 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2550 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2552 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
2554 * doc/invoke.texi: Make usage of "compile time" and
2555 "run time"/"runtime" consistent throughout the file.
2557 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
2559 * config/alpha/alpha.c (alpha_option_override): Default to
2560 full IEEE compliance mode for Go language.
2562 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
2564 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2565 (LINK_SSP_SPEC): Define.
2567 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2570 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2573 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
2575 * doc/invoke.texi: Correct hyphenation of "floating point",
2576 "double precision", and related terminology throughout the file.
2578 2012-01-28 Jakub Jelinek <jakub@redhat.com>
2581 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2582 arm_general_register_operand predicate for operand 2 instead of
2585 2012-01-27 Ian Lance Taylor <iant@google.com>
2588 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2589 * builtins.c (expand_builtin_init_trampoline): Add onstack
2590 parameter. Change caller.
2591 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2592 * tree.c (build_common_builtin_nodes): Declare
2593 __builtin_init_heap_trampoline.
2595 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
2597 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2598 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2599 * config/avr/avr.c: Ditto.
2600 (avr_regnames): Remove because unused.
2601 * config/avr/avr.md (*cpse.ne): New peephole.
2602 (*cpse.eq): New peephole from former cpse peepholes.
2604 2012-01-27 Michael Eager <eager@eagercon.com>
2606 * config/microblaze.c (microblaze_emit_compare): Correct
2607 test after pcmp instruction.
2609 2012-01-27 Richard Guenther <rguenther@suse.de>
2611 PR tree-optimization/52020
2612 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2614 2012-01-27 Richard Guenther <rguenther@suse.de>
2616 * ipa-pure-const.c (check_stmt): Clobbers do not make a
2617 function non-const/pure.
2619 2012-01-27 Richard Guenther <rguenther@suse.de>
2621 PR tree-optimization/50444
2622 * tree-sra.c (build_ref_for_offset): Properly adjust the
2623 MEM_REF type for unaligned accesses.
2625 2012-01-27 Richard Guenther <rguenther@suse.de>
2627 PR tree-optimization/50444
2628 * expr.c (mem_ref_refers_to_non_mem_p): New function.
2629 (expand_assignment): Use it. Properly handle misaligned
2630 bases when expanding stores to component references.
2631 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2634 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
2637 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2638 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2639 * tree-data-ref.c (find_data_references_in_loop): Make static.
2640 (compute_all_dependences): Change return type to bool. Bail out
2641 for too many datarefs in a loop. Move the hunk resetting the data
2642 dependences vector from ...
2643 (compute_data_dependences_for_loop): ... here. Account for
2644 compute_all_dependences returning false.
2645 (compute_data_dependences_for_bb): Likewise.
2646 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2647 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2649 2012-01-27 Richard Guenther <rguenther@suse.de>
2652 * expr.c (store_field): Use the alias-set of the scratch memory
2655 2012-01-27 Tom de Vries <tom@codesourcery.com>
2657 PR tree-optimization/51990
2658 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2660 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2662 2012-01-27 Jakub Jelinek <jakub@redhat.com>
2665 * var-tracking.c (reverse_op): Don't add any reverse operation
2666 if V already has any constant locations.
2668 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2670 * doc/invoke.texi: Correct usage of "command line" (noun)
2671 vs "command-line" (adjective) throughout.
2673 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2675 * doc/invoke.texi (Language Independent Options): Move
2676 -Wcoverage-mismatch blurb from here....
2677 (Warning Options): ...to here.
2679 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
2681 * config/rs6000/rs6000.c (rs6000_option_override_internal):
2682 Set rs6000_always_hint to false for 476.
2684 2012-01-27 Matthias Klose <doko@ubuntu.com>
2686 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2688 * incpath.c (add_standard_paths): Likewise.
2690 2012-01-27 Richard Henderson <rth@redhat.com>
2692 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2693 * config/m68k/sync.md (atomic_test_and_set): Rename from
2694 sync_test_and_setqi and adjust the operands.
2695 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2696 and unconditionally enable.
2698 2012-01-27 Richard Henderson <rth@redhat.com>
2700 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2701 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2702 (ldstub): Rename from ldstubqi.
2703 (ldstub<I24MODE>): Remove.
2705 2012-01-27 Richard Henderson <rth@redhat.com>
2707 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2708 * c-cppbuiltin.c (cpp_atomic_builtins): Define
2709 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2710 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2711 * doc/tm.texi: Rebuild.
2713 2012-01-27 Richard Henderson <rth@redhat.com>
2715 * optabs.c (gen_atomic_test_and_set): Remove default.
2716 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2718 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2720 PR rtl-optimization/51978
2721 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2722 (combine_reaching_defs): Likewise.
2723 (struct re_info): Remove.
2724 (add_removable_extension): Remove x and data arguments,
2725 add insn, insn_list and def_map. Use the arguments directly
2726 instead of using struct re_info.
2727 (find_removable_extensions): Don't call add_removable_extension
2728 through note_stores, instead just call it with single_set
2730 (find_and_remove_re): Pass curr_cand->expr instead of
2731 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2733 2012-01-26 Michael Matz <matz@suse.de>
2735 PR tree-optimization/46590
2736 * cfgexpand.c: Revert last change (r183305).
2737 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2739 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2740 checking for emptiness.
2742 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2745 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2746 non-addressable non-BLKmode base correctly.
2748 2012-01-26 Michael Matz <matz@suse.de>
2750 PR tree-optimization/48794
2751 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2752 regions referenced from RESX/EH_DISPATCH.
2754 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2756 * config/s390/s390.h: Make BRANCH_COST an option.
2757 * config/s390/s390.opt: New option -mbranch-cost.
2759 2012-01-26 Richard Henderson <rth@redhat.com>
2761 Revert 2012-01-24 change:
2762 * trans-mem.c (requires_barrier): Do not instrument thread local
2763 variables and emit save/restore for them.
2765 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2768 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2771 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
2773 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2776 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
2779 Rename __pgm to __flash.
2780 Rename __pgm1 to __flash1.
2781 Rename __pgm2 to __flash2.
2782 Rename __pgm3 to __flash3.
2783 Rename __pgm4 to __flash4.
2784 Rename __pgm5 to __flash5.
2785 Rename __pgmx to __memx.
2786 * doc/extend.texi (AVR Named Address Spaces)
2787 Rename address space names as indicated above.
2788 * config/avr/avr.c (avr_addrspace): Ditto.
2790 * config/avr/avr-protos.h
2791 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2792 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2793 * config/avr/predicates.md: Ditto.
2794 * config/avr/avr.c Ditto, and
2795 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2796 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2798 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2799 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2800 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2801 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2802 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2803 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2804 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2805 * config/avr/avr.c: Ditto.
2806 * config/avr/avr.md: Ditto.
2808 2012-01-25 Jason Merrill <jason@redhat.com>
2811 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2813 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2815 PR tree-optimization/51987
2816 * tree-data-ref.c (get_references_in_stmt): Handle references in
2817 non-volatile GIMPLE_ASM.
2819 2012-01-25 Richard Guenther <rguenther@suse.de>
2821 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2822 bases are dereferenced.
2824 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2826 PR rtl-optimization/48374
2827 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2829 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2831 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2832 compute_data_dependences_for_loop returns false.
2833 * tree-parloops.c (loop_parallel_p): Likewise.
2835 2012-01-25 Richard Guenther <rguenther@suse.de>
2837 * tree.h (get_pointer_alignment_1): Declare.
2838 * builtins.c (get_pointer_alignment_1): New function.
2839 (get_pointer_alignment): Use it.
2841 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2843 PR rtl-optimization/48308
2844 * combine.c (enum undo_kind): Add UNDO_LINKS.
2845 (struct undo): Add member l to other_contents and where.
2846 (do_SUBST_LINK): New.
2848 (try_combine): Handle LOG_LINKS for the dummy i1 case.
2849 (undo_all): Handle UNDO_LINKS.
2851 2012-01-25 Richard Henderson <rth@redhat.com>
2853 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2856 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2858 * optabs.c (gen_atomic_test_and_set): Use each argument.
2860 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2862 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2863 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2864 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2865 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2866 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2867 TARGET_PAIRED_SINGLE_FLOAT.
2869 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2871 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2872 (in_struct, return_val): Remove MEM documentation.
2873 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2874 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2875 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2877 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2878 * cfgexpand.c (add_alias_set_conflicts): Likewise.
2879 * expr.c (store_field): Likewise.
2880 * function.c (assign_stack_temp_for_type): Likewise.
2881 * ifcvt.c (noce_try_cmove_arith): Likewise.
2882 * reload1.c (reload): Likewise.
2883 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2884 (alpha_set_memflags): Likewise.
2885 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2887 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2889 * rtl.h (true_dependence, canon_true_dependence): Remove varies
2891 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2892 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2893 (true_dependence_1, true_dependence, canon_true_dependence): Remove
2895 * cselib.c (cselib_rtx_varies_p): Delete.
2896 (cselib_invalidate_mem): Update call to canon_true_dependence.
2897 * dse.c (record_store, check_mem_read_rtx): Likewise.
2898 (scan_reads_nospill): Likewise.
2899 * cse.c (check_dependence): Likewise.
2900 (cse_rtx_varies_p): Delete.
2901 * expr.c (safe_from_p): Update call to true_dependence.
2902 * ira.c (validate_equiv_mem_from_store): Likewise.
2903 (memref_referenced_p): Likewise.
2904 * postreload-gcse.c (find_mem_conflicts): Likewise.
2905 * sched-deps.c (sched_analyze_2): Likewise.
2906 * store-motion.c (load_kills_store): Likewise.
2907 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2908 * gcse.c (mems_conflict_for_gcse_p): Likewise.
2909 (compute_transp): Update call to canon_true_dependence.
2911 2012-01-25 Richard Henderson <rth@redhat.com>
2913 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2914 (maybe_emit_atomic_test_and_set): New.
2915 (expand_sync_lock_test_and_set): Use it.
2916 (expand_atomic_test_and_set): Likewise.
2917 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2918 the implementation; clarify implementation defined details.
2919 * doc/md.texi (atomic_test_and_set): Document.
2921 2012-01-25 Richard Henderson <rth@redhat.com>
2923 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2925 2012-01-25 Richard Henderson <rth@redhat.com>
2928 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2929 to effect no-op split.
2931 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2934 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2935 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2936 (BT_FN_VOID_PTR_INT_SIZE): New.
2937 (BT_FN_UINT_UINT_VAR): Remove.
2938 (BT_FN_UINT32_UINT32_VAR): New.
2939 (BT_FN_DOUBLE_VPTR): Remove.
2940 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2942 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2943 (_ITM_changeTransactionMode): Same.
2944 (_ITM_memmoveRtWt): Change return type to void.
2945 (_ITM_memcpyRtWt): Same.
2946 (_ITM_memsetW): Same.
2947 (_ITM_RaRD): Change types to double.
2952 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2954 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2955 Patrick Marlier <patrick.marlier@gmail.com>
2957 * trans-mem.c (requires_barrier): Do not instrument thread local
2958 variables and emit save/restore for them.
2960 2012-01-24 Jason Merrill <jason@redhat.com>
2963 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2964 output static aliases.
2966 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2969 * common.opt (-pie, -shared, pie, shared): Change from Common to
2971 * gcc.c (display_help): Display help for -pie and -shared.
2973 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
2976 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2977 Remove note on size/offset limitation.
2978 (AVR Variable Attributes): Add example how to read data located
2979 with progmem. Refer to named address spaces.
2980 * doc/invoke.texi (AVR Options): Fix typo.
2982 2012-01-24 Richard Guenther <rguenther@suse.de>
2984 Forward-port to trunk
2985 2010-09-21 Jakub Jelinek <jakub@redhat.com>
2988 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2989 op0 isn't sufficiently aligned and there is movmisalignM
2990 insn for mode, use it to load op0 into a temporary register.
2992 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2995 * target.def (const_not_ok_for_debug_p): New hook.
2996 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2998 * doc/tm.texi: Regenerated.
2999 * dwarf2out.c (const_ok_for_output_1): If
3000 targetm.const_not_ok_for_debug_p returns true, fail.
3001 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
3003 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
3005 2012-01-23 Kai Tietz <ktietz@redhat.com>
3008 * config/i386/predicates.md (symbolic_operand): Allow
3009 UNSPEC_PCREL as PIC expression for lea.
3010 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
3011 * config/i386/i386.c (ix86_delegitimize_address): Handle
3012 UNSPEC_PCREL for none-MEM, too.
3014 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
3016 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
3017 (ipa_tm_create_version_alias): Same.
3019 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
3022 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
3023 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
3025 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
3026 Patrick Marlier <patrick.marlier@gmail.com>
3027 Iain Sandoe <developer@sandoe-acoustics.co.uk>
3030 * lto-wrapper.c (run_gcc): Pass the LTO section name to
3031 simple_object_start_read.
3033 2012-01-23 Richard Guenther <rguenther@suse.de>
3036 PR tree-optimization/51895
3037 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
3038 parameter decomposition into BLKmode components.
3040 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
3042 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
3043 fake variables for restrict-qualified pointers whose pointed-to type
3044 contains a placeholder.
3046 2012-01-23 Richard Guenther <rguenther@suse.de>
3048 PR tree-optimization/51949
3049 * ipa-split.c (execute_split_functions): Do not split malloc functions.
3051 2012-01-23 Jakub Jelinek <jakub@redhat.com>
3053 PR rtl-optimization/51933
3054 * ree.c (transform_ifelse): Return true right away if dstreg is
3055 already wider or equal to cand->mode.
3056 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
3057 (make_defs_and_copies_lists): Remove defs_list and copies_list
3058 arguments, add state argument, just truncate state->work_list
3059 instead of always allocating and freeing the vector. Assert that
3060 get_defs succeeds instead of returning 2. Changed return type to bool.
3061 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
3062 have ext_src_mode, see if it has been modified already with the
3063 right kind of extension and has been extended before from the
3064 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
3065 just return true. Remember the original mode in state->modified array.
3066 (combine_reaching_defs): Add state argument. Don't allocate and
3067 free here def_list, copied_list and vec vectors, instead just
3068 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
3069 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
3070 Add state variable, clear vectors in it, initialize state.modified
3071 if needed. Free all the vectors at the end and state.modified too.
3072 Don't skip a candidate if the extension expression has been modified.
3074 2012-01-22 Douglas B Rupp <rupp@gnat.com>
3077 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
3078 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
3079 (extra_options) interix.opt -> i386/interix.opt"
3080 (extra_objs):Add winnt-stubs.o
3081 * configure.ac: Add interix to target_os .comm on PE check.
3082 * configure: Regenerate.
3083 * config/interix3.h: Delete and move bits to..
3084 * config/interix.h: Delete and move bits to..
3085 * config/i386/i386-interix3.h: Delete and move bits to..
3086 * config/i386/i386-interix.h: ..here.
3087 (TARGET_CPU_DEFAULT): Remove redefinition.
3088 (TARGET_ASM_CONSTRUCTOR): Undefine.
3089 (SUBTARGET_SWITCHES): Define for ms-bitfields.
3090 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
3091 (PTRDIFF_TYPE): Define.
3092 (LONG_DOUBLE_TYPE_SIZE): Define.
3093 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
3094 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
3095 (TARGET_SECTION_TYPE_FLAGS): Define.
3096 (ASM_DECLARE_FUNCTION_NAME): Define.
3097 (ASM_OUTPUT_EXTERNAL): Define.
3098 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
3099 (ASM_OUTPUT_ALIGNED_BSS): Define.
3100 (PCC_BITFIELD_TYPE_MATTERS): Define.
3101 (USE_CONST_SECTION): Define.
3102 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
3103 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
3104 (SUPPORTS_ONE_ONLY): Remove.
3105 (I386_PE_STRIP_ENCODING): Define.
3106 * config/interix.opt: Delete and move bits to..
3107 * config/i386/interix.opt: ..here. New.
3108 (mpe-aligned-commons): Add.
3109 * config/i386/t-interix: Add copyright header.
3110 (winnt-stubs.o): Add rule.
3112 2012-01-22 Jason Merrill <jason@redhat.com>
3115 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
3116 for extra name aliases.
3118 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
3120 PR rtl-optimization/51924
3121 * ree.c (combine_set_extension): Improve debugging message.
3122 (combine_reaching_defs): Likewise.
3123 (get_defs): Rename confusingly named variable.
3124 (find_and_remove_re): Skip a candidate if the extension expression has
3127 2012-01-21 Robert Millan <rmh@gnu.org>
3128 Gerald Pfeifer <gerald@pfeifer.com>
3130 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
3131 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
3133 2012-01-20 Jakub Jelinek <jakub@redhat.com>
3135 PR tree-optimization/51914
3136 * tree-vect-stmts.c (vectorizable_conversion): For
3137 cvt_type && modifier == WIDEN, put temporary with cvt_type
3138 at the beginning of vec_dsts and set vec_dest to temporary
3141 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
3143 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
3145 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
3147 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
3148 * config/rs6000/rs6000.c: Likewise.
3150 2012-01-20 Jakub Jelinek <jakub@redhat.com>
3153 * config/arm/arm.c (arm_count_output_move_double_insns): Call
3154 output_move_double on a copy of operands array.
3156 2012-01-20 Cary Coutant <ccoutant@google.com>
3157 Dodji Seketeli <dodji@redhat.com>
3160 * dwarf2out.c (copy_declaration_context): Return ref to parent
3161 of declaration DIE, if necessary.
3162 (remove_child_or_replace_with_skeleton): Add new parameter; update
3163 caller. Place skeleton DIE under parent DIE of original declaration.
3164 Move call to copy_declaration_context to here ...
3165 (break_out_comdat_types): ... from here.
3167 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3169 PR rtl-optimization/51856
3170 * reload.c (find_reloads_subreg_address): Set the address_reloaded
3173 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3176 * config/arm/arm.c (arm_print_operand): Correct output of alignment
3177 hints for neon loads and stores.
3179 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
3183 * doc/extend.texi (Named Address Spaces): Split into subsections.
3184 (AVR Named Address Spaces): New subsection.
3185 (M32C Named Address Spaces): New subsection.
3186 (RL78 Named Address Spaces): New subsection.
3187 (SPU Named Address Spaces): New subsection.
3188 (Variable Attributes): New anchor "AVR Variable Attributes".
3189 (AVR Variable Attributes): Rewrite and avoid wording
3190 "address space" in this context.
3191 * doc/invoke.texi (AVR Options): Rewrite and add documentation
3192 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
3193 (AVR Built-in Macros): New subsubsection therein.
3194 * doc/md.texi (AVR constraints): Remove "C04", "R".
3196 2012-01-20 Richard Guenther <rguenther@suse.de>
3198 PR tree-optimization/51903
3199 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
3200 when removing stmts.
3202 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3205 * config/arm/arm.c (arm_load_pic_register): Use
3206 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
3207 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
3208 (arm_pic_static_addr): Likewise.
3209 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
3210 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
3211 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
3212 (pic_load_addr_unified): New.
3214 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
3217 * function.c (instantiate_virtual_regs_in_insn): Use
3218 delete_insn_and_edges when removing a wrong asm insn.
3220 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
3222 PR rtl-optimization/40761
3223 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
3224 Add new member loop_num.
3225 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
3226 (ira_build): Remove the parameter.
3228 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
3229 (ira.c): Do not build CFG loops for one region allocation. Remove
3230 argument from ira_build call.
3232 * ira-build.c (init_loop_tree_node): New function.
3233 (create_loop_tree_nodes): Use it. Separate the case when CFG
3234 loops are not built.
3235 (more_one_region_p): Check current_loops.
3236 (finish_loop_tree_nodes): Separate the case when CFG loops are not
3238 (add_loop_to_tree): Process loop equal to NULL too.
3239 (form_loop_tree): Separate the case when CFG loops are not built.
3240 Use explicitly number for the root.
3241 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
3243 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
3244 instead of loop->num.
3245 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
3246 (mark_all_loops_for_removal): Ditto.
3247 (remove_unnecessary_regions): Separate the case when CFG loops
3249 (ira_build): Remove the parameter. Use explicit number of regions
3250 when CFG loops are not built.
3252 * ira-color.c (print_loop_title): Separate the case for the root node.
3253 Use loop_num instead of loop->num.
3254 (move_spill_restore): Use loop_num instead of loop->num.
3256 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
3257 (change_loop): Ditto.
3258 (change_loop): Use loop_num instead of loop->num.
3260 * ira-lives.c (process_bb_node_lives): Ditto.
3262 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
3264 * ira-conflicts.c (print_allocno_conflicts): Ditto.
3266 2012-01-19 Jakub Jelinek <jakub@redhat.com>
3269 * tree-mudflap.c (mf_artificial): New function.
3270 (execute_mudflap_function_ops, execute_mudflap_function_decls,
3271 mx_register_decls, mudflap_enqueue_decl): Use it.
3274 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
3275 numbers in the insn pattern.
3277 2012-01-19 Michael Matz <matz@suse.de>
3279 PR tree-optimization/46590
3280 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
3281 use it in remembering which conflicts we already created.
3282 (add_scope_conflicts): Adjust call to above, (de)allocate helper
3285 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
3288 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
3289 (merge_and_complain): Same.
3291 2012-01-19 Jakub Jelinek <jakub@redhat.com>
3294 * config/initfini-array.h: Guard content of the header
3295 with #ifdef HAVE_INITFINI_ARRAY.
3296 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
3297 Add initfini-array.h to tm_file here.
3298 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
3299 * config.gcc: Don't add initfini-array.h to tm_file here.
3300 * configure: Regenerated.
3302 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
3304 PR rtl-optimization/51505
3305 * df-problems.c (df_kill_notes): New parameter live. Update comment.
3306 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
3307 (df_note_bb_compute): Update the call to df_kill_notes.
3309 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
3311 * trans-mem.c (requires_barrier): Remove call to is_global_var.
3313 2012-01-18 Richard Guenther <rguenther@suse.de>
3315 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
3316 of conversions to void *.
3318 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3319 Richard Sandiford <rdsandiford@googlemail.com>
3323 * optabs.h (simplify_expand_binop): Declare.
3324 * optabs.c (simplify_expand_binop): Make global.
3325 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
3326 endian targets if the source cannot be exactly covered by word
3329 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3332 * hard-reg-set.h (struct hard_reg_set_container): New type.
3333 * target.h (struct hard_reg_set_container): Forward declare.
3334 * target.def (set_up_by_prologue): New target hook.
3335 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
3336 * doc/tm.texi: Regenerated.
3337 * function.c (thread_prologue_and_epilogue_insns): Change
3338 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
3339 Call targetm.set_up_by_prologue on it.
3340 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
3341 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
3343 2012-01-17 Nick Clifton <nickc@redhat.com>
3345 * config/rx/rx.c (rx_can_use_simple_return): New function.
3346 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
3347 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
3349 2012-01-17 Richard Guenther <rguenther@suse.de>
3352 * expr.c (expand_assignment): Take address-space information
3353 from the address operand of MEM_REF and TARGET_MEM_REF.
3354 (expand_expr_real_1): Likewise.
3356 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3358 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
3359 reload dump is requested.
3361 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
3364 * trans-mem.c (requires_barrier): Call may_be_aliased.
3366 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3368 PR tree-optimization/51877
3369 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
3370 call arguments and fndecls compare equal, instead return false if they
3371 don't. Return true only if lhs1 and lhs2 are either both NULL, or
3372 both SSA_NAMEs that are valueized the same, or they satisfy
3375 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3377 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
3379 * configure: Regenerate.
3381 2012-01-16 Jan Hubicka <jh@suse.cz>
3385 * convert.c (convert_to_integer): Use fold_convert for
3386 converting an INTEGER_CST to integer type.
3388 2012-01-16 Jason Merrill <jason@redhat.com>
3391 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3393 2012-01-16 Jakub Jelinek <jakub@redhat.com>
3396 * config/s390/s390.c (s390_chunkify_start): Don't skip
3397 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
3398 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3399 If insn is followed by NOTE_INSN_VAR_LOCATION or
3400 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3401 Don't use location of note insns.
3403 PR tree-optimization/51865
3404 * tree-inline.c (tree_function_versioning): Call remap_decl
3405 on DECL_RESULT whenever it has VOID_TYPE_P type.
3407 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
3409 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3410 for calls to locally-binding MIPS16 functions if only the return
3411 type uses float regs.
3413 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
3414 Richard Sandiford <rdsandiford@googlemail.com>
3416 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3417 (SYMBOL_32_HIGH): Likewise.
3418 (mips_output_tls_reloc_directive): Declare.
3419 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3420 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3421 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3422 (mips_lo_relocs, mips_hi_relocs): Make extern.
3423 (mips16_stub_function): Move up file.
3424 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3425 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
3426 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
3427 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3428 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
3429 (mips_get_tp): Add MIPS16 support.
3430 (mips_legitimize_tls_address): Remove MIPS16 sorry().
3431 Generalize DTPREL and TPREL handling.
3432 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3433 Add MIPS16 TLS support.
3434 (mips_output_tls_reloc_directive): New function.
3435 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3436 * config/mips/predicates.md (symbolic_operand_with_high)
3437 (tls_reloc_operand): New predicates.
3438 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3439 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3440 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3441 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
3442 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3443 (*tls_get_tp_mips16_call_<mode>): Likewise.
3445 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
3447 PR rtl-optimization/51821
3448 * recog.c (peep2_find_free_register): Determine clobbered registers
3451 2012-01-14 Denis Chertykov <chertykov@gmail.com>
3454 * config/avr/avr-protos.h: Revert change of 2012-01-09.
3455 * config/avr/avr.c: Likewise.
3456 * config/avr/avr.h: Likewise.
3458 2012-01-13 Ian Lance Taylor <iant@google.com>
3461 * tree.h (TYPE_QUALS): Add cast to int.
3462 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3464 2012-01-13 Ian Lance Taylor <iant@google.com>
3466 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3467 comparing param_index to VEC_length result.
3469 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
3471 * c-decl.c: Do not include tree-mudflap.h
3472 * tree-optimize.c: Likewise.
3473 * Makefile.in: Update dependencies.
3475 2012-01-13 Richard Guenther <rguenther@suse.de>
3478 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3479 variable-sized result always use RSO.
3481 2012-01-12 DJ Delorie <dj@redhat.com>
3483 * cfgexpand.c (convert_debug_memory_address): Allow any valid
3484 pointer type, not just the default pointer type.
3486 2012-01-09 Richard Henderson <rth@redhat.com>
3487 Denis Chertykov <chertykov@gmail.com>
3490 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3491 * config/avr/avr.c (avr_can_eliminate): Simplify.
3492 (avr_initial_elimination_offset): Likewise.
3493 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3494 (expand_epilogue): Likewise.
3495 (avr_legitimize_address): Gut.
3496 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3497 (avr_hard_regno_nregs): New.
3498 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3499 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3500 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3501 add soft frame pointer.
3502 (CALL_USED_REGISTERS): Likewise.
3503 (REG_CLASS_CONTENTS): Likewise.
3504 (REGISTER_NAMES): Likewise.
3505 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3506 (HARD_FRAME_POINTER_REGNUM): New.
3507 (FRAME_POINTER_REGNUM): Use soft frame pointer.
3508 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3509 remove the HARD_FRAME_POINTER self-elimination.
3511 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
3514 * config/avr/avr.c (avr_encode_section_info): Test for absence of
3515 DECL_EXTERNAL when checking for initializers of progmem variables.
3517 2012-01-12 Ira Rosen <irar@il.ibm.com>
3519 PR tree-optimization/51799
3520 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3521 that the last operation is a type demotion.
3523 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
3525 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3526 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3528 2012-01-11 Jakub Jelinek <jakub@redhat.com>
3531 * combine.c (distribute_notes): If i3 is a noreturn call,
3532 allow old_size to be equal to args_size and make sure the
3533 noreturn call gets REG_ARGS_SIZE note.
3534 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3535 on noreturn calls even when the delta is 0.
3537 2012-01-11 Nathan Sidwell <nathan@acm.org>
3539 * gcov.c (STRING_SIZE): Remove.
3540 (generate_results): Erase annotations for source files with no
3541 coverage information.
3543 (output_lines): Use it.
3545 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3547 * gimple.h (gimplify_body): Remove first argument.
3548 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
3549 pointer set here, instead just pass DATA to walk_tree.
3550 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
3551 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3552 (unvisit_body): Likewise, but with unmark_visited.
3553 (gimplify_body): Remove BODY_P argument and adjust.
3554 (gimplify_function_tree): Adjust call to gimplify_body.
3555 * omp-low.c (finalize_task_copyfn): Likewise.
3557 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3559 * tree.h (build_function_decl_skip_args): Add boolean parameter.
3560 (build_function_type_skip_args): Delete.
3561 * tree.c (build_function_type_skip_args): Make static and add
3562 SKIP_RETURN parameter. Fix thinko in the handling of variants.
3563 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3564 pass it to build_function_type_skip_args.
3565 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3566 (tree_function_versioning): Likewise.
3567 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3568 build_function_decl_skip_args.
3569 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3570 and pass it to build_function_decl_skip_args/tree_function_versioning.
3571 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3572 * ipa-inline-transform.c (save_inline_function_body): Likewise.
3573 * trans-mem.c (ipa_tm_create_version): Likewise.
3574 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3575 * tree-inline.c (declare_return_variable): Remove always-true test.
3576 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
3577 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3578 * ipa-split.c (split_function): Skip the return value for the split
3579 part if it doesn't return.
3581 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3583 PR tree-optimization/49642
3584 * ipa-split.c (forbidden_dominators): New variable.
3585 (check_forbidden_calls): New function.
3586 (dominated_by_forbidden): Likewise.
3587 (consider_split): Check for forbidden dominators.
3588 (execute_split_functions): Initialize and free forbidden
3589 dominators info; call check_forbidden_calls.
3591 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3593 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3595 2012-01-11 Nick Clifton <nickc@redhat.com>
3597 * config/rx/rx.md (return): Define pattern.
3599 2012-01-11 Richard Guenther <rguenther@suse.de>
3601 * doc/extend.texi (malloc attribute): Adjust according to
3604 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
3605 Patrick Marlier <patrick.marlier@gmail.com>
3608 * trans-mem.c (get_cg_data): Traverse aliases if requested.
3609 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3610 (ipa_tm_note_irrevocable): Same.
3611 (ipa_tm_scan_irr_block): Same.
3612 (ipa_tm_decrement_clone_counts): Same.
3613 (ipa_tm_scan_irr_function): Same.
3614 (ipa_tm_create_version_alias): Same.
3615 (ipa_tm_create_version): Same.
3616 (ipa_tm_transform_calls_redirect): Same.
3617 (ipa_tm_transform_calls): Same.
3618 (ipa_tm_transform_transaction): Same.
3619 (ipa_tm_execute): Same.
3621 2012-01-10 Richard Guenther <rguenther@suse.de>
3624 * opts.c (common_handle_option): Handle -Werror.
3626 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
3628 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3631 2012-01-10 Jason Merrill <jason@redhat.com>
3633 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3636 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3638 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3639 supports R_386_TLS_GD_PLT reloc.
3640 (gcc_cv_as_ix86_tlsldmplt): Check if linker
3641 supports R_386_TLS_LDM_PLT reloc.
3642 * configure: Regenerate.
3643 * config.in: Regenerate.
3645 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
3648 Extend __pgmx semantics to linearize memory.
3649 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3650 determine if code comes inline or from libgcc.
3651 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3652 (movmem_qi, movmem_qi): Set constraint #2 to "n".
3653 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3654 (movmemx_qi, movmemx_hi): New insns.
3655 (xload_<mode>_libgcc): Rewrite to new insn condition.
3656 (xload_<mode>): Remove insns.
3657 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3658 cases that don't satisfy avr_xload_libgcc_p().
3659 (avr_addr_space_convert): Allow converting in any direction.
3660 (avr_addr_space_subset_p): Return always true.
3661 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3662 (avr_emit_movmemhi): Ditto.
3663 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3664 (avr_out_movmem): Ditto.
3665 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3666 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3667 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3668 (avr_encode_section_info): Encode 'progmem' in symbol flags.
3669 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3671 2012-01-10 Richard Guenther <rguenther@suse.de>
3673 PR tree-optimization/50913
3674 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3675 Require data-refs to be representable by Graphite with respect
3678 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
3680 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3681 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3683 2012-01-10 Tom de Vries <tom@codesourcery.com>
3685 PR rtl-optimization/51271
3686 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3687 handling annulled branch.
3689 2012-01-10 Richard Henderson <rth@redhat.com>
3691 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3692 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3693 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3694 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3695 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3696 arm_expand_vec_perm_const): New.
3697 * config/arm/arm-protos.h: Update.
3698 * config/arm/neon.md (UNSPEC_VCONCAT): New.
3699 (*neon_vswp<VDQX>): New.
3700 (neon_vcombine<VDX>): Use neon_split_vcombine.
3701 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3702 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3703 (vec_perm<VE>): New.
3705 2012-01-10 Richard Henderson <rth@redhat.com>
3707 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3708 use it if reload_completed.
3709 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3710 arm_output_asm_insn, arm_process_output_memory_barrier,
3711 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3712 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3713 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3714 arm_process_output_sync_insn, arm_output_sync_insn,
3715 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3716 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3717 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3718 (emit_unlikely_jump): New.
3719 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3720 (arm_split_atomic_op): New.
3721 * config/arm/arm-protos.h: Update.
3722 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3723 (struct arm_sync_generator): Remove.
3724 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3725 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3726 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3727 (VUNSPEC_LL, VUNSPEC_SC): New.
3728 (sync_result, sync_memory, sync_required_value, sync_new_value,
3729 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3730 (attr length): Don't use arm_sync_loop_insns.
3731 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3732 (movsfcc, movdfcc): Likewise.
3733 * config/arm/constraints.md (Ua): New.
3734 * config/arm/prediates.md (mem_noofs_operand): New.
3735 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3736 (sync_clobber, sync_t2_reqd): Remove.
3737 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3738 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3739 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3740 (arm_sync_compare_and_swap<SIDI>): Remove.
3741 (arm_sync_compare_and_swap<NARROW>): Remove.
3742 (arm_sync_lock_test_and_set<SIDI>): Remove.
3743 (arm_sync_lock_test_and_set<NARROW>): Remove.
3744 (arm_sync_new_<syncop><SIDI>): Remove.
3745 (arm_sync_new_<syncop><NARROW>): Remove.
3746 (arm_sync_new_nand<SIDI>): Remove.
3747 (arm_sync_new_nand<NARROW>): Remove.
3748 (arm_sync_old_<syncop><SIDI>): Remove.
3749 (arm_sync_old_<syncop><NARROW>): Remove.
3750 (arm_sync_old_nand<SIDI>): Remove.
3751 (arm_sync_old_nand<NARROW>): Remove.
3752 (*memory_barrier): Merge arm_output_memory_barrier.
3753 (atomic_compare_and_swap<QHSD>): New.
3754 (atomic_compare_and_swap<NARROW>_1): New.
3755 (atomic_compare_and_swap<SIDI>_1): New.
3756 (atomic_exchange<QHSD>): New.
3757 (cas_cmp_operand, cas_cmp_str): New.
3758 (atomic_op_operand, atomic_op_str): New.
3759 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3760 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3761 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3762 (arm_load_exclusive<NARROW>): New.
3763 (arm_load_exclusivesi, arm_load_exclusivedi): New.
3764 (arm_store_exclusive<QHSD>): New.
3766 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
3768 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3769 reload patterns if -mvsx-scalar-memory.
3771 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3772 generated, even -mno-vsx-scalar-double was used.
3773 (vsx_xscvdpsp_scalar): Likewise.
3774 (vsx_xscvspdp_scalar2): Likewise.
3776 2012-01-09 Tom de Vries <tom@codesourcery.com>
3777 Andrew Pinski <apinski@cavium.com>
3780 * reorg.c (fill_slots_from_thread): Don't speculate
3781 frame-related insns.
3783 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
3785 * sched-int.h (bb_note): Move to...
3786 * basic-block.h: ...here.
3787 * haifa-sched.c (bb_note): Move to...
3788 * cfgrtl.c: ...here.
3789 * function.c (next_block_for_reg): New function.
3790 (move_insn_for_shrink_wrap): Likewise.
3791 (prepare_shrink_wrap): Rewrite to use the above.
3793 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
3795 * gimple.c (is_gimple_non_addressable): Remove.
3796 * gimple.h: Remove is_gimple_non_addressable.
3797 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
3798 is_gimple_non_addressable.
3799 * trans-mem.c (expand_assign_tm): Same.
3801 2012-01-09 Richard Guenther <rguenther@suse.de>
3803 PR tree-optimization/51775
3804 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
3805 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
3807 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3809 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3811 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3813 2012-01-09 Richard Guenther <rguenther@suse.de>
3815 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
3817 2012-01-08 Jan Hubicka <jh@suse.cz>
3819 PR tree-optimize/51680
3820 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
3821 on when known_vals needs to be computed; cleanup.
3823 2012-01-08 Jan Hubicka <jh@suse.cz>
3825 PR tree-optimize/51694
3826 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
3828 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
3830 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
3831 for -std=c++98 and -std=c++11 too.
3833 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
3835 * cfgloop.c (cancel_loop): Add free() of bbs array.
3837 2012-01-07 Jan Hubicka <jh@suse.cz>
3839 PR tree-optimization/51600
3840 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
3841 that benefits small functions.
3843 2012-01-07 Jan Hubicka <jh@suse.cz>
3845 * ipa-inline.c (want_inline_small_function_p): Fix formating.
3847 2012-01-07 Jan Hubicka <jh@suse.cz>
3849 PR tree-optimization/51680
3850 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
3851 whose inlining reduce unit size.
3853 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
3856 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
3857 Add canonical node to containing_mem chain after the non-canonical
3858 one, even if there weren't any locs to propagate.
3859 (remove_useless_values): Keep only canonical values.
3860 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
3861 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
3862 canonicalize mem_chain elements that are not discarded.
3864 2012-01-06 Jakub Jelinek <jakub@redhat.com>
3867 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
3868 before emitting functions.
3870 PR gcov-profile/50127
3871 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
3872 clear_aux_for_blocks.
3874 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
3877 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
3879 2012-01-06 Arnaud Charlet <charlet@adacore.com>
3881 * c-decl.c (ext_block): Moved up.
3882 (collect_all_refs, for_each_global_decl): Take ext_block into account.
3884 2012-01-06 Han Shen <shenhan@google.com>
3886 Translate built-in include paths for sysroot.
3887 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
3888 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
3890 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
3891 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
3893 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
3894 control whether sysroot should be prepended to gxx include dir.
3896 * configure: Regenerate.
3898 2012-01-06 Torvald Riegel <triegel@redhat.com>
3900 PR rtl-optimization/51771
3901 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
3902 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
3904 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3906 PR tree-optimization/51315
3907 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
3908 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
3910 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
3913 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
3914 for shrp pattern. Correctly handle and fixup shift variable.
3915 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
3917 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3920 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
3921 note when !ACCUMULATE_OUTGOING_ARGS.
3923 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3925 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
3927 (extract_range_from_unary_expr_1): Avoid useless computations.
3929 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3931 PR rtl-optimization/51767
3932 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
3933 of jump_block and add an extra edge for degenerated asm gotos.
3936 * stmt.c (check_unique_operand_names): Don't ICE during error
3937 reporting if i is from labels chain.
3940 * profile.c (branch_prob): Split bbs that have exit edge
3941 and need a fake entry edge too.
3943 2012-01-05 Jan Hubicka <jh@suse.cz>
3946 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
3949 2012-01-05 Richard Guenther <rguenther@suse.de>
3952 * tree-streamer-out.c (write_ts_optimization): New function.
3953 (streamer_write_tree_body): Call it.
3954 * tree-streamer-in.c (lto_input_ts_optimization): New function.
3955 (streamer_read_tree_body): Call it.
3956 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
3958 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3961 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
3962 * gimplify.c (gimplify_cleanup_point_expr): Save and set
3963 in_cleanup_point_expr before gimplify_stmt call and restore it
3965 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
3966 in_cleanup_point_expr is false.
3968 2012-01-05 Richard Guenther <rguenther@suse.de>
3971 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
3973 * toplev.c (process_options): Reject combining mudflap and LTO.
3974 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
3976 2012-01-05 Richard Guenther <rguenther@suse.de>
3978 PR tree-optimization/51760
3979 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
3981 (bit_value_unop): Handle UNDEFINED operands.
3982 (bit_value_binop): Likewise.
3984 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
3986 * config/avr/avr.c (avr_replace_prefix): Remove.
3987 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
3988 (avr_asm_function_rodata_section): Ditto.
3989 (avr_asm_select_section): Ditto.
3991 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
3993 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
3996 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3999 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
4000 calls that have any non-fake successor edges.
4003 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
4005 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
4007 PR tree-optimization/51624
4008 * tree-sra.c (build_ref_for_model): When replicating a chain of
4009 COMPONENT_REFs, stop as soon as the offset would become negative.
4011 2012-01-04 Jakub Jelinek <jakub@redhat.com>
4014 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
4015 in .debug_loc on the floor.
4017 2012-01-04 Andrew Pinski <apinski@cavium.com>
4019 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
4021 2012-01-04 Andrew Pinski <apinski@cavium.com>
4022 Adam Nemet <anemet@caviumnetworks.com>
4024 * config/mips/mips.md (size): Add SI and DI.
4025 (SIZE): New mode attribute.
4026 (U): New code attribute.
4027 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
4028 (mips_lbux_<mode>): Delete.
4029 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
4030 (mips_lhx): Use gen_mips_lhx_extsi.
4031 (mips_lhx_<mode>): Delete.
4033 (mips_l<size>x): New expand.
4034 (mips_lwx_<mode>): Delete.
4035 (mips_l<GPR:size>x_<P:mode>): New pattern.
4036 (*mips_lw<u>x_<P:mode>_ext): Likewise.
4037 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
4038 * config/mips/mips.c (mips_lx_address_p): New function.
4039 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
4040 (dsp64): New availability predicate.
4041 (mips_builtins): Add an entry for __builtin_mips_ldx.
4042 * config/mips/mips.h (ISA_HAS_LBX): New define.
4043 (ISA_HAS_LBUX): Likewise.
4044 (ISA_HAS_LHX): Likewise.
4045 (ISA_HAS_LHUX): Likewise.
4046 (ISA_HAS_LWX): Likewise.
4047 (ISA_HAS_LWUX): Likewise.
4048 (ISA_HAS_LDX): Likewise.
4049 * doc/extend.texi (__builtin_mips_ldx): Document.
4051 2012-01-04 Tristan Gingold <gingold@adacore.com>
4053 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
4054 when long pointers are used.
4055 * config.build (*-*-*vms*): Handle all OpenVMS targets.
4056 (alpha64-dec-*vms*, alpha*-dec-*vms*)
4057 (ia64-hp-*vms*): Remove.
4058 * config/vms/xm-vms64.h: Delete.
4060 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4063 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
4065 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4067 * opts.c (finish_options): Remove duplicate sorry.
4069 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4072 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
4075 2012-01-04 Richard Guenther <rguenther@suse.de>
4078 * tree.c (size_low_cst): New function.
4079 * tree.h (size_low_cst): Declare.
4080 * fold-const.c (fold_comparison): Use it to extract the low
4081 part of the POINTER_PLUS_EXPR offset.
4083 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
4085 Fix clearing ZERO_REG
4086 * config/avr/avr.md (cc): Add alternative "ldi".
4087 (movqi_insn): Use it in cc attribute.
4088 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
4089 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
4090 (output_reload_insisf): Use ZERO_REG to pre-clear register.
4092 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4094 * configure: Regenerate.
4096 2012-01-04 Richard Guenther <rguenther@suse.de>
4098 PR tree-optimization/49651
4099 * tree-ssa-structalias.c (type_can_have_subvars): New function.
4100 (var_can_have_subvars): Use it.
4101 (get_constraint_for_1): Only consider subfields if there can be any.
4103 2012-01-03 Jakub Jelinek <jakub@redhat.com>
4106 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
4107 to its new canonical_cselib_val and the cselib_val was in
4108 first_containing_mem chain, but the canonical_cselib_val was not,
4109 add the latter into the chain.
4110 (cselib_invalidate_mem): Compare canonical_cselib_val of
4111 addr_list chain elt with v.
4114 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
4115 dwarf2out_undef): Allocate e.info using ggc_strdup instead
4117 (output_macinfo_op): Don't ggc_strdup fd->filename.
4118 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
4119 then ggc_strdup it. Don't free inc->info or cur->info.
4120 (output_macinfo): Don't free ref->info or file->info.
4122 2012-01-03 Ira Rosen <irar@il.ibm.com>
4124 PR tree-optimization/51269
4125 * tree-vect-loop-manip.c (set_prologue_iterations): Make
4126 first_niters a pointer.
4127 (slpeel_tree_peel_loop_to_edge): Likewise.
4128 (vect_do_peeling_for_loop_bound): Update call to
4129 slpeel_tree_peel_loop_to_edge.
4130 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
4131 here. Remove it from the parameters list.
4132 (vect_do_peeling_for_alignment): Update calls and compute
4135 2012-01-03 Richard Guenther <rguenther@suse.de>
4137 PR tree-optimization/51070
4138 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
4139 Properly handle calls.
4141 2012-01-03 Richard Guenther <rguenther@suse.de>
4143 PR tree-optimization/51692
4144 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
4145 the LHS of allocation stmts.
4147 2012-01-03 Olivier Hainque <hainque@adacore.com>
4149 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
4151 2012-01-03 Olivier Hainque <hainque@adacore.com>
4153 * collect2.c (main): In AIX specific computations for vector
4154 insertions, use CONST_CAST2 to cast from char ** to const char **.
4156 2012-01-03 Richard Guenther <rguenther@suse.de>
4159 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
4160 the context of a limbo DIE when it does not already exist.
4162 2012-01-03 Jakub Jelinek <jakub@redhat.com>
4164 PR tree-optimization/51719
4165 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
4166 but direct call is, clear direct call's lhs and don't add fallthrough
4167 edge from dcall_bb to join_bb and PHIs.
4169 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4171 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
4172 the instructions emitted by the pattern.
4173 ("*TDC_insn_<mode>"): Add comment.
4175 2012-01-03 Richard Guenther <rguenther@suse.de>
4178 * fold-const.c (fold_comparison): Properly canonicalize
4179 tree offset and HOST_WIDE_INT bit position.
4181 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
4183 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
4184 operands for extzv pattern.
4186 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4189 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
4192 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
4194 * doc/invoke.texi (-flto and related options): Copy-edit.
4196 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4198 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
4200 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4202 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
4205 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4207 * expr.h (move_by_pieces_ninsns): Declare.
4208 * expr.c (move_by_pieces_ninsns): Make external.
4209 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
4210 (mips_store_by_pieces_p): Likewise.
4211 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
4212 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
4213 * config/mips/mips.c (mips_move_by_pieces_p): New function.
4214 (mips_store_by_pieces_p): Likewise.
4216 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4218 * passes.c (register_one_dump_file): Free full_name.
4220 * reload1.c (reload): Don't allocate reg_max_ref_width here.
4221 (calculate_elim_costs_all_insns): Free offsets_at and
4222 offsets_known_at at the end and clear the pointers.
4224 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4226 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
4227 this option introduced in r180739.
4229 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4232 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
4233 (tmake_file target=avr): Add avr/t-multilib.
4235 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
4236 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
4237 * config/avr/genmultilib.awk: New file.
4238 * config/avr/t-multilib: New auto-generated file.
4239 * config/avr/multilib.h: New auto-generated file.
4240 * config/avr/t-avr (AVR_MCUS): New variable.
4241 (genopt.sh): Use it.
4242 (s-mlib): Depend on t-multilib.
4243 (t-multilib, multilib.h): New dependencies.
4244 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
4245 (MULTILIB_OPTIONS): Remove.
4246 (MULTILIB_MATCHES): Remove.
4247 (MULTILIB_DIRNAMES): Remove.
4248 (MULTILIB_EXCEPTIONS): Remove:
4249 * config/avr/genopt.sh: Don't use hard coded file name;
4250 pass AVR_MCUS from t-avr instead.
4252 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4254 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
4256 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4258 Implement light-weight DImode support.
4259 * config/avr/avr-dimode.md: New file.
4260 * config/avr/avr.md: Include it.
4261 (adjust_len): Add plus64, compare64.
4262 (HIDI): Remove code iterator.
4263 (code_stdname): New code attribute.
4264 (rotx, rotsmode): Remove DI.
4265 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
4267 * config/avr/avr-protos.h (avr_have_dimode): New.
4268 (avr_out_plus64, avr_out_compare64): New.
4269 * config/avr/avr.c (avr_out_compare): Handle DImode.
4270 (avr_have_dimode): New variable definition and initialization.
4271 (avr_out_compare64, avr_out_plus64): New functions.
4272 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
4273 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
4274 (avr_compare_pattern): Skip DImode comparisons.
4276 2012-01-02 Revital Eres <revital.eres@linaro.org>
4278 * ddg.c (def_has_ccmode_p): New function.
4279 (add_cross_iteration_register_deps,
4280 create_ddg_dep_from_intra_loop_link): Call it.
4282 2012-01-02 Richard Guenther <rguenther@suse.de>
4285 * invoke.texi (fassociative-math): Remove spurious paranthesis.
4287 2012-01-01 Jakub Jelinek <jakub@redhat.com>
4289 * gcc.c (process_command): Update copyright notice dates.
4290 * gcov.c (print_version): Likewise.
4291 * gcov-dump.c (print_version): Likewise.
4292 * mips-tfile.c (main): Likewise.
4293 * mips-tdump.c (main): Likewise.
4295 2012-01-01 Ira Rosen <irar@il.ibm.com>
4297 PR tree-optimization/51704
4298 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
4299 a use is inside the basic block or loop before accessing its vect info.
4301 2012-01-01 Jan Hubicka <jhjh@suse.cz>
4303 PR rtl-optimization/51069
4304 * cfgloopmanip.c (remove_path): Removing path making irreducible
4305 region unconditional makes BB part of the region.
4307 2012-01-01 Jakub Jelinek <jakub@redhat.com>
4309 PR tree-optimization/51683
4310 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
4311 calls with side-effects.
4312 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
4314 Copyright (C) 2012 Free Software Foundation, Inc.
4316 Copying and distribution of this file, with or without modification,
4317 are permitted in any medium without royalty provided the copyright
4318 notice and this notice are preserved.