1 2012-05-07 Richard Guenther <rguenther@suse.de>
3 PR tree-optimization/53195
4 * tree-inline.c (setup_one_parameter): Properly add referenced
5 vars from the parameters new known value.
7 2012-05-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9 Backport from mainline:
10 2012-04-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13 * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
16 2012-05-04 Ian Lance Taylor <iant@google.com>
18 * tree-vect-patterns.c (vect_single_imm_use): Correct return
19 values from false to NULL.
21 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
23 Backport from mainline
24 2012-05-04 Uros Bizjak <ubizjak@gmail.com>
27 * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
28 (TARGET_CMOV): Rename from TARGET_CMOVE.
29 (TARGET_CMOVE): New define.
30 * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
31 Do not set TARGET_CMOVE here.
33 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
35 Backport from mainline:
37 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
39 PR tree-optimization/52633
40 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
41 vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
42 (vect_recog_over_widening_pattern): Remove handling of code that was
43 already detected as over-widening pattern. Remove special handling
44 of "unsigned" cases. Instead, support general case of conversion
45 of the shift result to another type.
47 2012-05-04 Ulrich Weigand <ulrich.weigand@linaro.org>
49 * tree-vect-patterns.c (vect_single_imm_use): New function.
50 (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
51 (vect_recog_over_widening_pattern): Likewise.
52 (vect_recog_widen_shift_pattern): Likewise.
54 2012-04-10 Ulrich Weigand <ulrich.weigand@linaro.org>
56 PR tree-optimization/52870
57 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
58 presumed pattern statement is within the same loop or basic block.
60 2012-05-04 Richard Guenther <rguenther@suse.de>
62 * common.opt (flto-report): Do not mark as Optimization.
64 2012-05-04 Eric Botcazou <ebotcazou@adacore.com>
67 * recog.c (constrain_operands): If extra constraints are present, also
68 accept pseudo-registers with equivalent memory locations during reload.
70 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
72 Backport from the mainline
73 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com>
76 * config/rs6000/rs6000.md (bswapdi splitters): If
77 -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
78 default) is used, generate an alternate sequence that does not
79 depend on using indexed addressing.
81 2012-05-03 David S. Miller <davem@davemloft.net>
84 * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
85 MEM directly into a libcall, mark it's MEM_EXPR as addressable.
86 (sparc_emit_float_lib_cmp): Likewise.
88 2012-05-04 Martin Jambor <mjambor@suse.cz>
90 Backport from mainline
91 2012-05-02 Martin Jambor <mjambor@suse.cz>
94 * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
95 of a variable when the contect is a function.
97 2012-05-03 Jakub Jelinek <jakub@redhat.com>
100 * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
101 append program name to it and pass that as first argument
102 to make_relative_prefix. Always pass standard_libexec_prefix
103 as last argument to make_relative_prefix. If
104 make_relative_prefix returns NULL, fall back to
105 standard_libexec_prefix.
108 * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
112 * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
113 mode, return that mode.
115 2012-05-03 Richard Guenther <rguenther@suse.de>
117 PR tree-optimization/53144
118 * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
120 (vn_reference_lookup_or_insert_for_pieces): ... this. Properly deal
121 with SSA name values.
122 (vn_reference_lookup_3): Adjust callers.
124 2012-05-02 Jakub Jelinek <jakub@redhat.com>
126 PR tree-optimization/53163
127 * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
128 return value from compute_all_dependences.
130 PR rtl-optimization/53160
131 * ree.c (combine_reaching_defs): Handle the case where cand->insn
132 has been modified by ree pass already.
134 2012-05-01 Uros Bizjak <ubizjak@gmail.com>
136 Backport from mainline
137 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
140 * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
141 calls to cgraph_node_name in xstrdup.
142 (ipa_make_edge_direct_to_target): Ditto.
143 * tree-sra.c (convert_callers_for_node): Ditto.
144 * lto-symtab.c (lto_cgraph_replace_node): Ditto.
145 * ipa-cp.c (perhaps_add_new_callers): Ditto.
146 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
147 (cgraph_materialize_all_clones): Ditto.
148 * ipa-inline.c (report_inline_failed_reason): Ditto.
149 (want_early_inline_function_p): Ditto.
150 (edge_badness): Ditto.
151 (update_edge_key): Ditto.
152 (flatten_function): Ditto.
154 (inline_always_inline_functions): Ditto.
155 (early_inline_small_functions): Ditto.
157 2012-04-30 Andreas Tobler <andreast@fgznet.ch>
159 Backport from mainline
160 2012-03-21 Andreas Tobler <andreast@fgznet.ch>
162 * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
163 Introduce emul_name to select the right linker emulation for
164 powerpc64-*-freebsd*.
165 * configure: Regenerate.
166 * config.gcc: Add bits to support powerpc64-*-freebsd*.
167 * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
168 * config/rs6000/freebsd64.h: New file.
169 * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
171 (rs6000_savres_strategy): Likewise.
172 (rs6000_savres_routine_name): Likewise.
173 (rs6000_elf_file_end): Likewise.
174 * config/rs6000/t-freebsd64: New file.
175 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
176 rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
178 2012-04-30 Uros Bizjak <ubizjak@gmail.com>
180 Backport from mainline
181 2012-04-27 Paolo Bonzini <bonzini@gnu.org>
184 * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
186 2012-04-30 Eric Botcazou <ebotcazou@adacore.com>
188 * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
189 predicate to discriminate types.
191 2012-04-27 Richard Guenther <rguenther@suse.de>
194 * convert.c (convert_to_integer): Avoid infinite recursion for
195 target-defined built-in types.
197 2012-04-26 Hans-Peter Nilsson <hp@axis.com>
200 * config/cris/cris.md ("*andhi_lowpart_v32")
201 ("*andqi_lowpart_v32"): Change first input-only operand from
202 a (match_operand ...) to (match_dup 0). Drop alternatives with
203 const_int-matching constraints for redundancy.
204 ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto. Drop
205 three-operand alternative.
207 2012-04-26 Uros Bizjak <ubizjak@gmail.com>
209 Backport from mainline
210 2012-04-23 Uros Bizjak <ubizjak@gmail.com>
212 * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
213 (*addsi_2_zext): Ditto.
214 (*add<mode>_3): Ditto.
215 (*addsi_3_zext): Ditto.
216 (*add<mode>_5): Ditto.
218 2012-04-25 Jakub Jelinek <jakub@redhat.com>
221 * c-typeck.c (set_nonincremental_init,
222 set_nonincremental_init_from_string): Pass true instead of false
223 as IMPLICIT to add_pending_init.
225 2012-04-24 Georg-Johann Lay <avr@gjlay.de>
227 Backport from 2012-04-24 mainline r186768.
230 * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
232 2012-04-24 Richard Guenther <rguenther@suse.de>
234 PR tree-optimization/53085
235 * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
238 2012-04-24 Jakub Jelinek <jakub@redhat.com>
241 * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
243 (output_addressed_constants): Likewise.
246 * varasm.c (get_section): Don't ICE for section conflicts with
247 built-in section kinds.
249 2012-04-23 David Edelsohn <dje.gcc@gmail.com>
251 * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
253 2012-04-23 Georg-Johann Lay <avr@gjlay.de>
255 * doc/extend.texi (AVR Named Address Spaces): Fix typos.
257 2012-04-23 Richard Guenther <rguenther@suse.de>
260 * c-typeck.c (build_binary_op): Fix typo.
262 2012-04-23 Jakub Jelinek <jakub@redhat.com>
264 PR tree-optimizations/52891
265 * tree-vect-patterns.c (adjust_bool_pattern): Use
266 build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
267 but with non-standard precision.
269 2012-04-22 Ian Lance Taylor <iant@google.com>
271 * godump.c (go_output_typedef): Dump size of structs.
273 2012-04-20 Ulrich Weigand <ulrich.weigand@linaro.org>
275 Backport from mainline:
277 * config/arm/arm.c (arm_print_operand): Fix invalid alignment
278 hints for 'A' operand types.
280 2012-04-19 Georg-Johann Lay <avr@gjlay.de>
282 Backport from 2012-04-19 mainline r186588.
285 * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
288 2012-04-18 Uros Bizjak <ubizjak@gmail.com>
290 * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
292 2012-04-17 Uros Bizjak <ubizjak@gmail.com>
295 * config/i386/sync.md (atomic_<code><mode>): Rename to
296 atomic_<logic><mode>.
298 2012-04-16 Uros Bizjak <ubizjak@gmail.com>
300 Backport from mainline
301 2012-04-12 Uros Bizjak <ubizjak@gmail.com>
304 * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
305 argument type to __m256i. Update call to __builtin_ia32_permvarsf256.
306 * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
307 (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
308 * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
309 Update builtin type to V8SF_FTYPE_V8SF_V8SI.
310 (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
311 gen_avx2_permvarv8sf.
313 2012-04-16 Martin Jambor <mjambor@suse.cz>
315 Backported from mainline
317 2012-04-13 Martin Jambor <mjambor@suse.cz>
320 * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
321 fold_ctor_reference returns a zero constant.
323 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
325 Backported from mainline
326 2012-04-13 H.J. Lu <hongjiu.lu@intel.com>
328 * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
329 and __ILP32__ for x32.
331 2012-04-13 Tom de Vries <tom@codesourcery.com>
333 Backport from mainline r186418.
335 2012-04-13 Tom de Vries <tom@codesourcery.com>
337 * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
338 parameters vuse and vuse_escaped.
339 (find_duplicate): Init vuse1, vuse2 and vuse_escaped. Pass to
340 gsi_advance_bw_nondebug_nonlocal. Return if vuse_escaped and
343 2012-04-13 Richard Guenther <rguenther@suse.de>
345 PR tree-optimization/52969
346 * tree-if-conv.c (predicate_mem_writes): Properly gimplify
347 the condition for the COND_EXPR and handle predicate negation
348 by swapping the COND_EXPR arms.
350 2012-04-13 Richard Guenther <rguenther@suse.de>
353 * convert.c (convert_to_pointer): Remove special-casing of
356 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
358 Backport from mainline
359 2012-04-12 Michael Meissner <meissner@linux.vnet.ibm.com>
362 * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
363 the list of options to enable the FCFID instruction.
364 (TARGET_EXTRA_BUILTINS): Adjust comment.
366 2012-04-12 Richard Guenther <rguenther@suse.de>
368 PR tree-optimization/52943
369 * tree-chrec.h (chrec_is_positive): Remove.
370 * tree-scalar-evolution.c (chrec_is_positive): Move ...
371 * tree-data-ref.c (chrec_is_positive): ... here. Make static.
372 Return false for a constant zero instead of negative.
373 (analyze_siv_subscript_cst_affine): Handle zero difference
374 in the initial condition explicitely.
376 2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
379 * varasm.c (process_pending_assemble_externals): Set
380 pending_assemble_externals_processed true.
381 (assemble_external): Call assemble_external_real if the pending
382 assemble externals have been processed.
384 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
387 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
388 the DECL generated for the special GOT helper.
390 2012-04-06 Walter Lee <walt@tilera.com>
392 Backport from mainline
393 2012-03-07 Walter Lee <walt@tilera.com>
395 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
396 REG_CFA_* notes for the stack pointer.
397 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
398 EH_RETURN_STACKADJ_RTX.
399 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
400 generate REG_CFA_* notes for the stack pointer.
401 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
402 by EH_RETURN_STACKADJ_RTX.
404 2012-04-06 Matt Turner <mattst88@gmail.com>
406 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
408 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
410 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
411 of the destination isn't also a FP_REGS register.
413 2012-04-03 Richard Guenther <rguenther@suse.de>
415 Backport from mainline
416 2012-03-02 Richard Guenther <rguenther@suse.de>
418 PR tree-optimization/52406
419 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
420 (struct indices): Add unconstrained_base member.
421 (struct dr_alias): Remove unused vops member.
422 (DR_UNCONSTRAINED_BASE): New define.
423 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
424 add indices to allow their disambiguation. Make DR_BASE_OBJECT
425 be an artificial access that covers the whole indexed object,
426 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
427 plain decl base-objects to their MEM_REF variant.
428 (dr_may_alias_p): When the base-object of either data reference
429 has unknown size use only points-to information.
430 (compute_affine_dependence): Make dumps easier to read and
432 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
433 DR_REF when looking for packed references.
434 (vect_supportable_dr_alignment): Likewise.
436 2012-04-03 Richard Guenther <rguenther@suse.de>
438 Backport from mainline
439 2012-03-15 Richard Guenther <rguenther@suse.de>
442 * tree-data-ref.c (subscript_dependence_tester_1): Check
443 all dimensions for non-conflicting access functions.
445 2012-04-03 Richard Guenther <rguenther@suse.de>
447 Backport from mainline
448 2012-03-06 Richard Guenther <rguenther@suse.de>
451 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
453 2012-03-23 Richard Guenther <rguenther@suse.de>
455 PR tree-optimization/52678
456 * tree-vectorizer.h (struct _stmt_vec_info): Add
457 loop_phi_evolution_part member.
458 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
459 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
460 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
461 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
462 Use the cached evolution part and the PHI nodes value from
463 the loop preheader edge instead of re-analyzing the evolution.
465 2012-03-26 Richard Guenther <rguenther@suse.de>
467 PR tree-optimization/52701
468 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
469 compute and set the evolution part of PHI nodes.
471 2012-03-30 Richard Guenther <rguenther@suse.de>
473 PR tree-optimization/52754
474 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
475 propagate arbitrary addresses into really plain dereferences.
477 2012-04-03 Jakub Jelinek <jakub@redhat.com>
479 PR tree-optimization/52835
480 * tree-data-ref.c (build_rdg): Return NULL if
481 compute_data_dependences_for_loop failed.
483 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
485 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
486 (stmt_can_make_abnormal_goto): Use it.
487 (is_ctrl_altering_stmt): Likewise.
489 2012-03-31 Martin Jambor <mjambor@suse.cz>
491 Backported from mainline
492 2012-03-30 Martin Jambor <mjambor@suse.cz>
494 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
495 is a builtin_stack_save in a dominating BB.
497 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
499 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
500 crossing 128bit lane boundary.
502 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
504 Backported from mainline
505 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
508 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
510 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
511 * config/i386/i386.c: Include reload.h.
512 (ix86_legitimize_reload_address): New function.
514 2012-03-28 Martin Jambor <mjambor@suse.cz>
516 Backported from mainline
517 2012-03-27 Martin Jambor <mjambor@suse.cz>
520 * tree-sra.c (sra_modify_assign): Do not call
521 load_assign_lhs_subreplacements when working with an unscalarizable
524 2012-03-28 Jakub Jelinek <jakub@redhat.com>
527 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
528 __builtin_va_start to __builtin_next_arg if the latter is
529 builtin_decl_explicit_p rather than when it is not.
532 * tree-vect-generic.c (vector_element): Perform multiplication
533 for pos in bitsizetype type instead of idx type.
535 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
537 Backport from 2012-03-28 mainline r185910.
540 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
541 (avr_builtin_decl): New static function.
542 (struct avr_builtin_description, avr_bdesc): Move up.
543 Add GTY marker. Add field fndecl. Remove redundant field id.
544 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
545 (avr_expand_builtin): Code cleanup because .id is removed.
547 2012-03-28 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
550 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
553 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
555 Backport from 2012-03-28 mainline r185907.
558 * config.gcc (tm_file): Remove avr/multilib.h.
560 * doc/invoke.texi (AVR Options): Adjust
561 documentation of -mtiny-stack.
563 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
564 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
565 * config/avr/t-avr: Remove generation of multilib.h.
566 * config/avr/t-multilib: Regenerate.
567 * config/avr/multilib.h: Remove.
568 * config/avr/avr.opt (-msp8): New option.
569 (avr_sp8): New variable.
570 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
571 * config/avr/avr.h (AVR_HAVE_SPH): New define.
572 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
573 (avr_device_to_sp8): New prototype.
574 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
575 (DRIVER_SELF_SPECS): New define.
576 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
577 __AVR_SP8__, __AVR_HAVE_SPH__.
578 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
579 AVR_HAVE_8BIT_SP to decide if SP_H is present.
580 (avr_file_start): Ditto.
582 2012-03-28 Jakub Jelinek <jakub@redhat.com>
585 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
586 instead of 8 in adjust_address.
588 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
590 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
591 of a unit before computing the offset in units.
593 2012-03-27 Richard Guenther <rguenther@suse.de>
596 * fold-const.c (try_move_mult_to_index): Handle &x.array more
599 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
602 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
604 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
607 * varasm.c: Include pointer-set.h.
608 (pending_assemble_externals_set): New pointer set.
609 (process_pending_assemble_externals): Destroy the pointer set.
610 (assemble_external): See if decl is in pending_assemble_externals_set,
611 and add it to pending_assemble_externals if necessary.
612 (init_varasm_once): Allocate pending_assemble_externals_set.
614 2012-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
616 Backported from mainline
617 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
620 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
621 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
622 (vector_ltgt<mode>): Likewise.
623 (vector_ordered<mode>): Likewise.
624 (vector_unordered<mode>): Likewise.
625 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
627 2012-03-23 Joern Rennecke <joern.rennecke@embecosm.com>
629 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
632 2012-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
634 Backported from mainline
635 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
639 * config/sh/sh.c (sh_register_move_cost): Increase cost between
640 GENERAL_REGS and FP_REGS for SImode.
642 2012-03-22 Jakub Jelinek <jakub@redhat.com>
645 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
646 on any new_local_var_chain vars declared during recursing on
647 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
649 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
651 Backport from 2012-03-22 mainline r185692.
654 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
655 (unspecv): Add UNSPECV_MEMORY_BARRIER.
656 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
657 (delay_cycles_1, delay_cycles_2): Ditto.
658 (delay_cycles_3, delay_cycles_4): Ditto.
659 (nopv, *nopv): Ditto.
660 (sleep, *sleep): Ditto.
663 Backport from 2012-03-21 mainline r185605.
665 PR rtl-optimization/52543
667 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
668 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
669 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
670 (avr_load_libgcc_p): Restrict to __flash loads.
671 (avr_out_lpm): Only handle 1-byte loads from __flash.
672 (avr_load_lpm): New function.
673 (avr_find_unused_d_reg): Remove.
674 (avr_out_lpm_no_lpmx): Remove.
675 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
676 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
677 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
678 (load_<mode>, load_<mode>_clobber): New insns.
679 (mov<mode>): For multi-byte move from non-generic
680 16-bit address spaces: Expand to load_<mode> resp.
682 (load<mode>_libgcc): Remove expander.
683 (split-lpmx): Remove split.
685 Backport from 2012-03-13 mainline r185329.
688 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
689 offset (size) to a value the insns can deal with.
690 (expand_epilogue): Ditto.
692 Backport from 2012-03-12 mainline r185256.
695 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
696 type from reg_class_t to enum reg_class.
697 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
699 Backport from 2012-03-12 mainline r185253.
702 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
703 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
704 r184615 from 2012-02-28.
706 Backport from 2012-03-08 mainline r185105.
708 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
709 for constants in [-63,63].
711 Backport from 2012-03-08 mainline r185100.
714 * config/avr/avr.c (avr_mem_clobber): New static function.
715 (avr_expand_delay_cycles): Add memory clobber operand to
716 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
717 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
718 (enable_interrupt, disable_interrupt): New expander.
719 (nopv, sleep, wdr): New expanders.
720 (delay_cycles_1): Add memory clobber.
721 (delay_cycles_2): Add memory clobber.
722 (delay_cycles_3): Add memory clobber.
723 (delay_cycles_4): Add memory clobber.
724 (cli_sei): New insn from former "enable_interrupt",
725 "disable_interrupt" with memory clobber.
726 (*wdt): New insn from former "wdt" with memory clobber.
727 (*nopv): Similar, but for "nopv".
728 (*sleep): Similar, but for "sleep".
730 Backport from 2012-03-07 mainline r185043.
733 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
735 Backport from 2012-03-07 mainline r185032.
738 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
739 to: RAMPZ, RAMPY, RAMPX, RAMPD.
740 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
742 Backport from 2012-03-07 mainline r185031.
745 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
747 * config/avr/avr.md (xload_8): Adjust insn length.
749 Backport from 2012-03-07 mainline r185030.
752 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
753 if RAMPZ affects reading from RAM.
755 Backport from 2012-03-05 mainline r184919.
757 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
759 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
761 Backport from mainline r185259.
764 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
765 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
767 2012-03-22 Jakub Jelinek <jakub@redhat.com>
769 Backported from mainline
770 2012-03-13 Jakub Jelinek <jakub@redhat.com>
773 * c-parser.c (c_parser_postfix_expression)
774 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
776 * config/i386/smmintrin.h: Avoid /* within a comment.
777 * config/i386/nmmintrin.h: Likewise.
779 2012-03-22 Richard Guenther <rguenther@suse.de>
781 * BASE-VER: Set to 4.7.1.
782 * DEV-PHASE: Set to prerelease.
784 2012-03-22 Release Manager
786 * GCC 4.7.0 released.
788 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
790 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
792 2012-03-15 Jakub Jelinek <jakub@redhat.com>
793 Andrew Pinski <apinski@cavium.com>
796 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
797 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
798 calls instead of __builtin_ir{int,ound}*.
800 2012-03-14 Jakub Jelinek <jakub@redhat.com>
803 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
806 2012-03-13 Joseph Myers <joseph@codesourcery.com>
808 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
809 Refer to GCC 4.7 version of c99status.html.
811 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
813 Backport from mainline
814 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
816 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
817 redefine to be NULL if the current bit-size is different from the
820 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
821 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
822 set the default tuning. Add asserts to make sure the cpu and tune
823 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
824 test whether the index is set, instead of > 0.
825 (rs6000_file_start): Do not reset the default cpu if the current
826 bit-size is different from the configured bit-size.
828 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
830 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
832 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
833 Update binutils references.
834 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
835 Update binutils reference.
836 Update Sun as/GNU ld caveat.
837 Document binutils largefile requirement for LTO plugin.
838 Remove reference to alternate libpthread.
840 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
842 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
844 (Specific, mips-sgi-irix6): Likewise.
846 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
848 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
849 * configure: Regenerate.
851 2012-03-07 Richard Henderson <rth@redhat.com>
853 * config/m68k/m68k.h (ISA_HAS_TAS): New.
854 * config/m68k/sync.md (atomic_test_and_set): Use it.
855 (atomic_test_and_set_1): Likewise.
857 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
860 * Makefile.in: Let install-gcc-ar depend on installdirs,
861 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
862 Don't double canonicalize if cross-compiling.
864 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
866 * trans-mem.c: New typedef for tm_region_p.
867 Define vector types for tm_region_p.
868 (tm_region_init): Replace region_worklist to a vector called
871 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
874 * trans-mem.c (tm_region_init): Use last_basic_block.
876 2012-03-05 Richard Henderson <rth@redhat.com>
879 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
880 * omp-low.c (expand_omp_atomic): Assume anything aligned to
881 BIGGEST_ALIGNMENT is aligned.
883 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
885 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
887 2012-03-05 Richard Henderson <rth@redhat.com>
890 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
891 instead of calling negqi2 directly.
893 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
895 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
896 (INTMAX_TYPE): Use it.
897 (UINTMAX_TYPE): Likewise.
898 (SUBTARGET_OVERRIDE_OPTIONS): Define.
899 (irix6_c_common_override_options): Declare.
900 (C_COMMON_OVERRIDE_OPTIONS): Define.
901 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
902 * config/mips/irix6-c.c: New file.
903 * config/mips/t-irix6 (irix6-c.o): New target.
904 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
907 2012-03-02 Richard Henderson <rth@redhat.com>
909 * optabs.c (expand_atomic_test_and_set): Honor
910 atomic_test_and_set_trueval even when atomic_test_and_set
913 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
915 Backport from mainline
916 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
918 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
920 2012-03-02 Richard Guenther <rguenther@suse.de>
922 * DEV-PHASE: Set to prerelease.
924 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
926 * config.gcc (obsolete): Add all ARM targets using the FPA.
927 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
928 * doc/install.texi: Avoid references to obsolete ARM ports.
930 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
932 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
934 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
935 Joern Rennecke <joern.rennecke@embecosm.com>
937 * doc/extend.texi: Expand and update information on interrupt
938 attribute for Epiphany.
940 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
942 * config/sh/sh-protos.h: Update copyright notice dates.
943 * config/sh/sh.h: Likewise.
944 * config/sh/sh.md: Likewise.
945 * config/sh/constraints.md: Likewise.
946 * config/sh/predicates.md: Likewise.
948 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
950 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
951 * config/sh/sh.c (tertiary_reload_operand): Likewise.
953 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
955 * config/sh/constraints.md: Fix comment typo.
957 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
960 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
961 unsigned HOST_WIDE_INT.
962 (zvdep_imm64): Likewise.
963 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
964 (vdepi_and): Likewise.
965 Likewise for unamed 64-bit patterns.
966 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
968 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
971 PR rtl-optimization/52417
972 * cselib.c (cselib_any_perm_equivs): New variable.
973 (cselib_reset_table): Check that it's not set when not
974 preserving constants.
975 (cselib_add_permanent_equiv): Set it.
976 (cselib_have_permanent_equivalences): New.
977 (cselib_init, cselib_finish): Reset it.
978 * cselib.h (cselib_have_permanent_equivalences): Declare.
979 * alias.c (get_addr): Restore earlier behavior when there
980 aren't permanent equivalences.
982 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
984 * config/mn10300/mn10300-modes.def: Fix copyright notice.
985 * config/v850/v850-modes.def: Fix copyright notice.
987 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
989 * doc/extend.texi (AVR Built-in Functions): Document
990 __builtin_avr_flash_segment.
992 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
993 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
994 (*split.flash_segment): New insn-and-split.
995 * config/avr/avr.c (avr_init_builtins): Add local variables:
996 const_memx_void_node, const_memx_ptr_type_node,
997 char_ftype_const_memx_ptr.
999 2012-03-01 Jakub Jelinek <jakub@redhat.com>
1001 PR tree-optimization/52445
1002 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
1003 add ssa_name_ver, offset and size fields and change store field
1005 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
1006 (add_or_mark_expr): Likewise. Only consider previous stores
1007 with the same size and offset.
1008 (nt_init_block): Only look at gimple_assign_single_p stmts,
1009 doesn't look at rhs2.
1011 2012-03-01 Richard Guenther <rguenther@suse.de>
1014 * tree-cfg.c (verify_gimple_assign_unary): Allow any
1015 conversions from integral types to pointer types.
1017 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
1019 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
1020 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
1021 unintentionally removed in r184616.
1023 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
1025 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
1028 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1029 Uros Bizjak <ubizjak@gmail.com>
1032 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
1033 alternatives, add "e" constraint to the new last alternative
1034 and ! to last 3 alternatives.
1036 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
1038 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
1039 DW_AT_artificial attributes at the end of the processing.
1040 (gen_array_type_die): Likewise.
1041 (gen_enumeration_type_die): Likewise.
1042 (gen_struct_or_union_type_die): Likewise.
1043 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
1046 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1049 * expr.c (expand_assignment): If doing misaligned store that doesn't
1050 cover all mode bits, perform a RMW cycle.
1052 PR tree-optimization/52429
1053 * tree-parloops.c (separate_decls_in_region_debug): Return early
1054 if var is LABEL_DECL.
1056 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1058 PR tree-optimization/52424
1059 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
1060 calling dom_thread_across_edge.
1062 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1064 * config/avr/avr.c: Move definition of TARGET macros to end of file.
1066 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1068 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
1069 * config/avr/avr.c (avr_output_bld): Remove unused function.
1070 (avr_out_sbxx_branch): Use "%T" to print bit position.
1072 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1074 * config/avr/avr.md: Untabify.
1076 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1078 * config/avr/avr.md (eqne): New code iterator.
1079 (*dec-and-branchsi): Use it in text peephole's condition.
1080 (*dec-and-branchhi): Ditto.
1081 (*dec-and-branchqi): Ditto.
1083 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1086 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
1087 the device does not have the skip-bug.
1089 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
1091 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
1092 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
1093 -mpretend-cmove): New.
1095 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1098 * df.h (struct df_d): Adjust comment that hard_regs_live_count
1099 doesn't count DEBUG_INSN refs.
1100 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
1101 for DEBUG_INSN refs.
1103 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1107 2012-02-20 Richard Guenther <rguenther@suse.de>
1108 PR tree-optimization/52298
1109 * tree-vect-stmts.c (vectorizable_load): Properly use
1110 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1113 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
1116 * gimple.h (gimple_in_transaction): New.
1117 (gimple_set_in_transaction): New.
1118 (struct gimple_statement_base): Add in_transaction field.
1119 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
1121 (tree_ssa_lim_initialize): Compute transaction bits.
1122 * tree.h (compute_transaction_bits): Protoize.
1123 * trans-mem.c (tm_region_init): Use the heap to store BB
1125 (compute_transaction_bits): New.
1127 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1129 * gcc.c (display_help): Document --help=common and sort entries
1132 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1134 * doc/install.texi: Document check-$LANG specific shortcuts
1136 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1139 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
1141 * config/arm/arm_neon.h: Regenerate.
1142 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
1143 (neon_vcgeu): New insn.
1144 (neon_vcgtu): Likewise.
1145 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
1146 (ops): Unsigned comparison intrinsics call a different
1149 2012-02-28 Richard Guenther <rguenther@suse.de>
1152 * config/i386/i386.c (ix86_expand_vector_set): Fix element
1153 ordering for the VEC_CONCAT for two element vectors for
1154 V2SFmode, V2SImode and V2DImode.
1156 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
1159 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
1160 detecting big-endian triplets.
1162 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
1164 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
1165 mode if there is no type information available.
1167 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
1169 PR tree-optimization/53207
1170 * doc/invoke.texi: Document as experimental and relying on graphite.
1172 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1174 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
1175 of initializer to changes from r184614.
1177 2012-02-28 Richard Guenther <rguenther@suse.de>
1179 PR tree-optimization/52395
1180 * tree-sra.c (build_ref_for_offset): Also look at the base
1181 TYPE_ALIGN when figuring out the alignment of the replacement.
1183 2012-02-28 Richard Guenther <rguenther@suse.de>
1185 PR tree-optimization/52402
1186 * ipa-prop.c (ipa_modify_call_arguments): Properly use
1187 mis-aligned types when creating the accesses at the call site.
1189 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1191 * config/avr/builtins.def: New file.
1192 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
1193 * config/avr/avr.c (enum avr_builtin_id): Use it.
1194 (avr_init_builtins): Use it. And use avr_bdesc.
1195 (bdesc_1arg): Remove.
1196 (bdesc_2arg): Remove.
1197 (bdesc_3arg): Remove.
1198 (struct avr_builtin_description): Add field n_args.
1199 (avr_bdesc): New static variable using builtins.def.
1200 (avr_expand_builtin): Use it.
1201 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
1202 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
1203 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
1205 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1208 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
1209 match only one single hard register with respective hard reg rtx.
1210 (movmemx_<mode>): Ditto.
1211 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
1212 insn anatomy of movmem[x]_<mode>.
1213 (avr_out_movmem): Same for printing assembler and operand usage.
1215 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1219 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
1220 address spaces located outside of device flash.
1222 * config/avr/avr.h (base_arch_s): Remove field n_segments.
1223 (mcu_type_s): Add field n_flash.
1224 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
1225 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
1226 (AVR_MCU): Add N_FLASH argument.
1227 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
1228 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
1229 macro __FLASH<n> if that address space makes sense for the device.
1230 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
1231 outside of target flash.
1232 (avr_asm_named_section): Ditto.
1233 (avr_asm_select_section): Ditto.
1234 (avr_addr_space_convert): Ditto.
1235 (avr_emit_movmemhi): Ditto.
1236 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
1237 address space is outside of device flash.
1238 (avr_insert_attributes): Ditto.
1239 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
1240 avr_current_arch->n_segments.
1242 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
1245 * config/i386/i386.md (*movabs<mode>_1): Enable only for
1247 (*movabs<mode>_2): Likewise.
1249 2012-02-27 Jakub Jelinek <jakub@redhat.com>
1252 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
1253 s_register_operand in the test instead of REG_P. Don't call
1254 gen_reg_rtx if it won't be used.
1256 PR tree-optimization/52376
1257 * ipa-split.c (split_function): Ignore CLOBBER stmts.
1259 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
1261 * ifcvt.c (noce_get_condition): Check condition variable is not
1262 small_register_classes_for_mode_p before accepting.
1264 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
1266 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1268 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1271 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1272 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1274 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1276 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
1278 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1280 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
1282 * config/sh/predicates.md: Remove blank lines.
1283 * config/sh/sh.c: Fix typos in comments.
1284 * config/sh/constraints.md: Likewise.
1285 * config/sh/sh.md: Remove blank lines.
1286 Fix typos in comments. Use ;; as comment characters.
1288 2012-02-26 Walter Lee <walt@tilera.com>
1290 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1291 (replace_mov_pcrel_step2): Ditto.
1293 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
1296 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1297 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
1298 and locs that reference values newer than the non-canonical value
1299 at hand. Return the canonical value as a worst case.
1300 (memrefs_conflict_p): Walk canonical value's locs.
1303 * cselib.c (preserve_only_constants): Rename to...
1304 (preserve_constants_and_equivs): ... this. Split out...
1305 (invariant_or_equiv_p): ... this. Preserve plus expressions
1306 of other preserved expressions too.
1307 (cselib_reset_table): Adjust.
1308 * var-tracking.c (reverse_op): Use canonical value to build
1311 2012-02-23 Kai Tietz <ktietz@redhat.com>
1313 * config/i386/i386.c (ix86_delegitimize_address): Handle
1314 UNSPEC_PCREL plus displacement.
1316 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
1319 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1320 to test for unusedness in st X addressing.
1322 2012-02-24 Richard Guenther <rguenther@suse.de>
1325 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1326 (is_gimple_reg_type): Move inline ...
1327 * gimple.h (is_gimple_reg_type): ... here.
1329 2012-02-24 Richard Guenther <rguenther@suse.de>
1332 * passes.c (execute_function_todo): When verifying SSA form
1333 verify gimple form first.
1334 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1336 2012-02-24 Richard Guenther <rguenther@suse.de>
1339 * fold-const.c (fold_addr_of_array_ref_difference): New function.
1340 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1342 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1344 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1346 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1348 * tree-phinodes.c (make_phi_node): Mark static.
1349 * tree-flow.h (make_phi_node): Remove extern decl.
1350 * doc/gimple.texi (make_phi_node): Remove documentation.
1352 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1354 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1355 * tree-ssa-sccvn.c (print_scc): Ditto.
1357 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1359 * doc/passes.texi (Full redundancy elimination): Fix typo.
1361 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1363 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1365 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
1368 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1370 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
1373 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1375 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
1377 * config/avr/avr.md (code_stdname): Add ior, xor.
1378 (xior): New code iterator.
1379 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1380 (*<code_stdname><mode>qi.byte1-3): Ditto.
1382 2012-02-23 Jakub Jelinek <jakub@redhat.com>
1384 PR tree-optimization/52019
1385 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1388 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1390 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1391 HAVE_INITFINI_ARRAY to work around namespace pollution in
1392 certain versions of newlib system headers.
1393 * config.in: Regenerate.
1394 * configure: Regenerate.
1395 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1396 instead of HAVE_INITFINI_ARRAY.
1398 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
1401 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1402 is not offsettable memory reference.
1404 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1407 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1408 setting avr_need_clear_bss_p for __gnu_lto* symbols.
1410 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1412 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1413 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1415 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1417 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1418 library on Solaris 8 even without TLS support.
1419 * configure: Regenerate.
1421 2012-02-22 Richard Guenther <rguenther@suse.de>
1424 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1425 for GIMPLE_DEBUG stmts.
1427 2012-02-22 Martin Jambor <mjambor@suse.cz>
1430 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1431 according to the base object.
1433 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1435 PR rtl-optimization/50063
1436 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1437 and 2 (8-bit SP) in operand 2.
1438 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1439 setup to use movhi_sp_r instead of vanilla move to write SP.
1440 Adjust REG_CFA notes to superseed unspec.
1441 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1443 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1444 known to be off) only with TARGET_NO_INTERRUPTS. Never use
1445 irq_state 1 (IRQ known to be on) here.
1447 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
1449 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1451 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1452 assign_hard_reg): Likewise.
1454 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1456 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1458 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1461 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1462 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1464 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1466 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1467 prototype from here to...
1468 * config/avr/avr.h: ...here.
1470 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
1473 * thumb2.md (thumb2_shiftsi3_short): Split register and
1474 immediate shifts. For register shifts tie operands 0 and 1.
1475 (peephole2 for above): Check that register-controlled shifts
1476 have suitably tied operands.
1478 2012-02-21 Quentin Neill <quentin.neill@amd.com>
1481 * config/i386/bdver1.md (bdver1_call, bdver1_push,
1482 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1483 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1484 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1485 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1486 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1487 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1488 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1489 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1490 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1491 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1492 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1493 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1494 bdver1_ssevector_avx256_unaligned_load,
1495 bdver1_ssevector_sse128_unaligned_load,
1496 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1497 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1498 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1499 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1500 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1501 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1502 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1503 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1504 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1505 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1506 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1507 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1508 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1509 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1510 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1511 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1512 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1513 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1514 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1515 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1516 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1517 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1518 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1519 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1520 bdver1_ssediv_double_load, bdver1_ssediv_double,
1521 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1522 Add "bdver2" attribute.
1524 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1526 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1527 default if possible and not specified otherwise.
1529 2012-02-21 Richard Guenther <rguenther@suse.de>
1532 * gimplify.c (create_tmp_from_val): Use the main variant type
1533 for the type of the temporary we create.
1535 2012-02-21 Richard Guenther <rguenther@suse.de>
1537 PR tree-optimization/52324
1538 * gimplify.c (gimplify_expr): When re-gimplifying expressions
1539 do not gimplify a MEM_REF address operand if it is already
1542 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1544 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1545 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1547 2012-02-21 Richard Guenther <rguenther@suse.de>
1549 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1550 nested_in_vect_loop.
1552 2012-02-21 Jakub Jelinek <jakub@redhat.com>
1554 PR tree-optimization/52318
1555 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1556 vdef also to non-pure/const call stmts in the sequence.
1558 2012-02-20 David S. Miller <davem@davemloft.net>
1560 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1561 don't use the "rd %pc" instruction on v9 for PIC register loads.
1563 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
1566 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1567 in a transaction safe function.
1569 2012-02-20 Kai Tietz <ktietz@redhat.com>
1572 * stor-layout.c (place_field): Handle desired_align for
1575 2012-02-20 Richard Guenther <rguenther@suse.de>
1577 PR tree-optimization/52298
1578 * tree-vect-stmts.c (vectorizable_store): Properly use
1579 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1581 (vectorizable_load): Likewise.
1582 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1583 Access DR_STEP after ensuring it is not NULL.
1585 2012-02-20 Jakub Jelinek <jakub@redhat.com>
1587 PR tree-optimization/52286
1588 * fold-const.c (fold_binary_loc): For (X & C1) | C2
1589 optimization use double_int_to_tree instead of build_int_cst_wide,
1590 rewrite to use double_int vars.
1592 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1595 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1597 Remove -e 0 from $gcc_cv_ld invocation.
1598 Only use __GLIBC_PREREQ if defined.
1599 Enable on Solaris since Solaris 8 patch.
1600 (gcc_SUN_LD_VERSION): New macro.
1601 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1602 gcc_SUN_LD_VERSION for version number format.
1603 * configure: Regenerate.
1604 * varasm.c (get_elf_initfini_array_priority_section): Set
1605 SECTION_NOTYPE for non-default priority.
1606 Use get_section instead of get_unnamed_section to emit
1607 .init_array/.fini_array with default priority.
1609 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1611 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1612 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
1613 (mips_start_unique_function, mips_output_mips16_rdhwr)
1614 (mips_code_end): New functions.
1615 (TARGET_ASM_CODE_END): Define.
1617 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1619 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1620 to stubs with non-sibling calls.
1622 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
1624 * doc/invoke.texi (-fira-* options): Copy-edit.
1625 (ira-* parameters): Copy-edit.
1627 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1629 * doc/invoke.texi: Minor copy-edits to bring into conformance with
1630 GCC coding conventions.
1632 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1634 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1635 when used as adjectives.
1637 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
1639 * doc/invoke.texi: Clean up "that"/"which" confusion.
1641 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
1643 * system.h: Poison SMALL_REGISTER_CLASSES
1644 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1645 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1647 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1649 PR tree-optimization/52285
1650 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1651 when deciding if a call is a tail call or tail recursion.
1653 2012-02-16 Kai Tietz <ktietz@redhat.com>
1655 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1656 interger-constant displacement for UNSPEC_PCREL.
1658 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1660 PR rtl-optimization/52208
1661 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1662 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1664 PR tree-optimization/52255
1665 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1666 loop->header has virtual PHI, but exit_e->dest doesn't, add
1667 virtual PHI to exit_e->dest and adjust all uses after the loop.
1670 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1671 children with clone_tree_hash, not after it.
1673 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
1675 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1676 extended identifiers.
1678 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1681 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1682 a same_body_alias, also test whether e->callee isn't a former
1683 or current clone of the decl this is a same body alias of.
1685 PR translation/52264
1686 * cgraphunit.c (verify_cgraph_node): Fix a typo.
1688 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
1690 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1692 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
1695 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1696 force_reg instead of copy_to_reg for better optimization. Force
1697 non-register or memory operands into a register.
1699 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
1701 * extend.texi: Reserve upper bits of memory model for future use.
1703 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
1704 Anatoly Sokolov <aesok@post.ru>
1705 Eric Weddington <eric.weddington@atmel.com>
1708 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1709 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1710 Rewrite initializers for .macro.
1711 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1712 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1713 atxmega32d4, atxmega32x1.
1714 avrxmega4: atxmega64a3, atxmega64d3.
1715 avrxmega5: atxmega64a1, atxmega64a1u.
1716 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1717 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1718 avrxmega7: atxmega128a1, atxmega128a1u.
1719 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1720 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1721 (struct base_arch_s): Rename reserved to xmega_p.
1722 Rename reserved2 to have_rampd.
1723 (AVR_XMEGA): New define.
1724 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1725 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1726 * config/avr/predicates.md (io_address_operand): Take into
1728 (low_io_address_operand): Ditto.
1729 (high_io_address_operand): Ditto.
1730 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1731 (enabled, movhi_sp_r): Use them.
1732 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1733 cpp_define_formatted to built-in define __AVR_ARCH__.
1734 (__AVR_XMEGA__): New built-in define.
1735 (__AVR_HAVE_RAMPD__): New built-in define.
1736 (__AVR_HAVE_RAMPX__): New built-in define.
1737 (__AVR_HAVE_RAMPY__): New built-in define.
1738 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1740 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1741 (avr_option_override): Initialize them.
1742 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1743 (avr_init_expanders): Initialize them. No more block several calls.
1744 (emit_push_sfr): New static function.
1745 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1747 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1748 (avr_print_operand): Print addreeses as symbols for
1749 RAMPX, RAMPY, RAMPD, CCP.
1750 (output_movhi): Handle AVR_XMEGA when writing to SP.
1751 (avr_out_movhi_mr_r_xmega): New static function.
1752 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1753 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
1754 __RAMPD__, __CCP__ as needed.
1756 * config/avr/multilib.h: Regenerate.
1757 * config/avr/t-multilib: Regenerate.
1758 * config/avr/avr-tables.opt: Regenerate.
1760 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
1762 PR tree-optimization/50561
1763 * graphite-flattening.c (lst_project_loop): Do not
1764 remove old scattering dimensions after flattening.
1765 (lst_do_flatten): Likewise.
1767 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
1769 * doc/extend.texi (AVR Built-in Functions): Remove doc for
1770 __builtin_avr_map8, __builtin_avr_map16.
1771 Document __builtin_avr_insert_bits.
1773 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1774 (insert_bits): New insn.
1775 (adjust_len.map_bits): Rename to insert_bits.
1776 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1777 * avr-protos.h (avr_out_map_bits): Remove.
1778 (avr_out_insert_bits, avr_has_nibble_0xf): New.
1779 * config/avr/constraints.md (Cxf,C0f): New.
1780 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1781 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1782 New built-in define __BUILTIN_AVR_INSERT_BITS.
1783 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1784 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1785 (avr_move_bits): Rewrite.
1786 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1788 (avr_map_op_t): New typedef.
1789 (avr_map_op): New static variable.
1790 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1791 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1792 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1793 (bdesc_3arg, avr_expand_triop_builtin): New.
1794 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1795 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1796 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1797 (avr_map_equal_p, avr_map_sig_p): Remove.
1798 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1799 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1800 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1801 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1802 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1803 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1805 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1807 * config/c6x/c6x.md (reserve_cycles): New attribute.
1808 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1809 don't reserve functional units after the branch occurs.
1811 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
1814 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1815 functions into non-tm_pure functions.
1817 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
1820 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1821 (iterative_hash_canonical_type): Likewise.
1822 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1825 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1827 * haifa-sched.c (prune_ready_list): Ensure that if there is a
1828 sched-group insn, it either remains alone or the entire list is pruned.
1830 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1832 * doc/install.texi (Prerequisites): Fix grammar.
1833 (Configuration): Likewise.
1835 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1837 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1838 MPC as part of GCC before describing configuring with --with-gmp etc.
1839 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1840 sources are present.
1842 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1845 * dwarf2out.c (clone_tree_hash): New function.
1846 (copy_decls_walk): Use it instead of clone_tree.
1848 2012-02-14 Richard Guenther <rguenther@suse.de>
1850 PR tree-optimization/52244
1851 PR tree-optimization/51528
1852 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1853 replacements for integral types.
1855 2012-02-14 Walter Lee <walt@tilera.com>
1857 * config.gcc: Handle tilegx and tilepro.
1858 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1860 Add HAVE_AS_TLS check for tilegx and tilepro.
1861 * configure: Regenerate.
1862 * doc/contrib.texi: Add Mat Hostetter and self.
1863 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1864 Document instruction intrinsics and network accessing intrinsics.
1865 (TILEPro Built-in Functions): New node. Document instruction
1866 intrinsics and network accessing intrinsics.
1867 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1868 (Specific, tilepro-*-linux*): Likewise.
1869 * doc/invoke.texi (TILE-Gx Options): New section.
1870 (TILEPro Options): New section.
1871 * doc/md.texi (TILE-Gx): New section.
1872 (TILEPro): New section.
1873 * common/config/tilegx/tilegx-common.c: New file.
1874 * common/config/tilepro/tilepro-common.c: New file.
1875 * config/tilegx/constraints.md: New file.
1876 * config/tilegx/linux.h: New file.
1877 * config/tilegx/mul-tables.c: New file.
1878 * config/tilegx/predicates.md: New file.
1879 * config/tilegx/sync.md: New file.
1880 * config/tilegx/t-tilegx: New file.
1881 * config/tilegx/tilegx-builtins.h: New file.
1882 * config/tilegx/tilegx-c.c: New file.
1883 * config/tilegx/tilegx-generic.md: New file.
1884 * config/tilegx/tilegx-modes.def: New file.
1885 * config/tilegx/tilegx-multiply.h: New file.
1886 * config/tilegx/tilegx-protos.h: New file.
1887 * config/tilegx/tilegx.c: New file.
1888 * config/tilegx/tilegx.h: New file.
1889 * config/tilegx/tilegx.md: New file.
1890 * config/tilegx/tilegx.opt: New file.
1891 * config/tilepro/constraints.md: New file.
1892 * config/tilepro/gen-mul-tables.cc: New file.
1893 * config/tilepro/linux.h: New file.
1894 * config/tilepro/mul-tables.c: New file.
1895 * config/tilepro/predicates.md: New file.
1896 * config/tilepro/t-tilepro: New file.
1897 * config/tilepro/tilepro-builtins.h: New file.
1898 * config/tilepro/tilepro-c.c: New file.
1899 * config/tilepro/tilepro-generic.md: New file.
1900 * config/tilepro/tilepro-modes.def: New file.
1901 * config/tilepro/tilepro-multiply.h: New file.
1902 * config/tilepro/tilepro-protos.h: New file.
1903 * config/tilepro/tilepro.c: New file.
1904 * config/tilepro/tilepro.h: New file.
1905 * config/tilepro/tilepro.md: New file.
1906 * config/tilepro/tilepro.opt: New file.
1908 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1910 PR tree-optimization/52210
1911 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1912 vect_model_simple_cost with two entry vect_def_type array instead
1913 of an address of dt.
1915 2012-02-14 Richard Guenther <rguenther@suse.de>
1918 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1919 Do not stream DECL_QUALIFIER.
1920 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1921 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1922 (find_decls_types_r): Do not walk DECL_QUALIFIER.
1924 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1927 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1930 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1933 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1934 * cselib.c (cselib_subst_to_values_from_insn): New function.
1935 * sched-deps.c (add_insn_mem_dependence,
1936 sched_analyze_1, sched_analyze_2): Use it.
1938 2012-02-13 Jan Hubicka <jh@suse.cz>
1941 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1943 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
1945 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1946 (GTM_SELF_SPECS): Define if not already defined.
1947 (driver_self_specs): Add GTM_SELF_SPECS.
1948 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1949 (GTM_SELF_SPECS): Define.
1950 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1951 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1953 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1955 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1958 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1961 * omp-low.c (expand_omp_for): If a static schedule without chunk size
1962 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1964 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
1967 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1969 2012-02-13 Richard Guenther <rguenther@suse.de>
1971 PR translation/52211
1972 * passes.c (enable_disable_pass): Fix typo.
1974 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1977 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1978 XOR for reduce_bit_field if type is unsigned.
1980 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
1982 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1983 disallow changes from SFmode to mode with different size in FP regs.
1985 2012-02-12 Robert Millan <rmh@gnu.org>
1986 Gerald Pfeifer <gerald@pfeifer.com>
1988 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1991 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
1993 PR rtl-optimization/52175
1994 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1995 to frame-related instructions.
1997 2012-02-10 Jason Merrill <jason@redhat.com>
2000 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2001 (demangle_new_symbols): Fill it.
2002 (scan_linker_output): Walk it.
2003 (start_tweaking): Split out from scan_linker_output.
2004 (maybe_tweak): Update sym->chosen.
2005 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
2007 2012-02-11 Jakub Jelinek <jakub@redhat.com>
2010 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
2012 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
2014 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2015 having the same mode as previous compare.
2017 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
2019 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
2020 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
2021 (nonlocal_goto_internal): Likewise.
2022 (nonlocal_goto): Emit a use and an indirect jump directly.
2024 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
2027 * doc/extend.texi : Update comments for __atomic_compare_exchange and
2028 __atomic_{is,always}_lock_free.
2030 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
2033 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
2034 negative constant address for x32.
2036 2012-02-10 Richard Henderson <rth@redhat.com>
2038 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
2039 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
2040 for GIMPLE_TRANSACTION. Tidy if's into a switch.
2042 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2043 Ira Rosen <irar@il.ibm.com>
2045 PR tree-optimization/50031
2046 * targhooks.c (default_builtin_vectorization_cost): Handle
2048 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
2049 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
2050 all types of reduction and pattern statements.
2051 (vect_estimate_min_profitable_iters): Likewise.
2052 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
2053 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
2054 for explicit realigns.
2055 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
2056 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
2058 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
2059 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
2060 vec_perm for VSX and handle vec_promote_demote.
2062 2012-02-10 Jakub Jelinek <jakub@redhat.com>
2065 * builtins.c (fold_builtin_atomic_always_lock_free,
2066 expand_builtin_atomic_always_lock_free,
2067 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
2068 Return and/or test boolean_true_node/boolean_false_node instead of
2069 integer_one_node/integer_zero_node.
2071 2012-02-10 Jan Hubicka <jh@suse.cz>
2074 * predict.c (predict_paths_for_bb): Prevent looping.
2075 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
2077 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
2079 * config/arm/arm.c (output_move_double): In one case properly
2080 count number of instructions that will be emitted.
2082 2012-02-10 Richard Guenther <rguenther@suse.de>
2084 PR translation/52193
2085 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
2087 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
2090 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
2092 2012-02-09 Jakub Jelinek <jakub@redhat.com>
2095 * var-tracking.c (emit_note_insn_var_location): If
2096 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
2097 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
2098 non-NOTE_DURING_CALL_P insn.
2100 2012-02-09 Bin Cheng <bin.cheng@arm.com>
2103 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
2105 2012-02-08 Magnus Granberg <zorry@gentoo.org>
2108 * gcc.c (switch_matches) Support switches with separated form,
2111 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
2113 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
2115 (RAMPZ_ADDR): Ditto.
2116 * config/avr/avr.c (avr_addr_t): New typedef.
2117 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
2118 (avr_init_expanders): Initialize it.
2119 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
2121 (expand_epilogue): Ditto.
2122 (avr_print_operand): Ditto.
2123 (avr_file_start): Ditto.
2124 (avr_emit_movmemhi): Ditto.
2126 2012-02-08 Richard Guenther <rguenther@suse.de>
2128 PR tree-optimization/46886
2129 * tree-flow.h (do_while_loop_p): Declare.
2130 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
2131 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
2133 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
2135 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
2136 always succeed for integers larger than a native word.
2138 2012-02-08 Richard Guenther <rguenther@suse.de>
2140 PR rtl-optimization/52170
2141 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
2142 properly handle integer vector modes.
2144 2012-02-08 Jakub Jelinek <jakub@redhat.com>
2146 PR gcov-profile/52150
2147 * coverage.c: Include target.h.
2148 (build_var): Call targetm.strip_name_encoding on the assembler name.
2149 Change one _ into . or $ if the target allows it.
2150 * Makefile.in (coverage.o): Depend on $(TARGET_H).
2152 PR rtl-optimization/52139
2153 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
2154 is a BARRIER after emit_insn_after_noloc, move BB_END
2155 to the last non-BARRIER insn before it.
2157 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
2160 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
2161 (mips_gimplify_va_arg_expr): Call it instead of
2162 std_gimplify_va_arg_expr.
2164 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
2166 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
2167 message for -mno-pointers-to-nested-function.
2169 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
2172 * expr.c (get_inner_reference): If there is an offset, add a negative
2173 bit position to it (if any).
2175 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2177 PR rtl-optimization/52060
2178 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
2179 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
2180 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
2181 and/or i0src_copy2 when needed.
2183 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2185 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
2186 or LTOPLUGINSONAME if have_c.
2188 * config/freebsd-spec.h: Add comment about what macros can be defined
2190 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
2191 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
2194 2012-02-07 Richard Guenther <rguenther@suse.de>
2196 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
2197 newline in -alias dumps.
2199 2012-02-07 Kai Tietz <ktietz@redhat.com>
2200 Dave Korn <dave.korn.cygwin@gmail.com>
2203 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2204 Take care that typinfo gets dllexport-attribute.
2206 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2209 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
2210 if modifier < EXPAND_SUM call force_operand on the result.
2212 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
2214 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
2215 adding __forwarder_dst__ prefix if a forwarder_section attribute is
2217 (epiphany_function_type): Replace types for specific interrupts with
2218 EPIPHANY_FUNCTION_INTERRUPT.
2219 (EPIPHANY_INTERRUPT_P): Update.
2220 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
2221 New static function.
2222 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
2223 <disinterrupt>: Affects type identity.
2224 (epiphany_handle_interrupt_attribute): Handle variable number of
2226 (epiphany_compute_function_type): Update for new
2227 epiphany_function_type definition.
2228 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
2229 handlers with a longcall forwarder.
2230 (epiphany_start_function): Handle multiple interrupt arguments and/or
2231 forwarder_section attribute.
2233 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
2236 2012-02-07 Alan Modra <amodra@gmail.com>
2239 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
2242 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2244 PR tree-optimization/50969
2245 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
2246 use vec_perm rather than vector_stmt.
2247 (vect_model_load_cost): Likewise.
2248 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
2249 vec_perm to be the same as other vector statements.
2250 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
2251 cost of vec_perm for TARGET_VSX.
2253 2012-02-06 Richard Guenther <rguenther@suse.de>
2255 PR tree-optimization/52115
2256 * tree-sra.c (access_has_replacements_p): New function.
2257 (sra_modify_assign): Use it to decide whether a use is uninitialized.
2259 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
2262 * trans-mem.c (expand_call_tm): Add an assertion.
2263 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2266 2012-02-06 Richard Guenther <rguenther@suse.de>
2268 PR tree-optimization/50955
2269 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2270 raise cost of expressions that replace an address with an
2271 expression based on a different pointer.
2273 2012-02-06 Jakub Jelinek <jakub@redhat.com>
2276 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2277 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2279 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
2282 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2283 -Weffc++ and specify guidelines come from second edition.
2285 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
2287 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2288 (sibcall_value_multiple_internal, call_split, call_internal_direct)
2289 (call_direct_split, call_value_split, call_value_internal_direct)
2290 (call_value_direct_split, call_value_multiple_split): Use jal and
2291 jal_macro attributes.
2293 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
2295 * reload1.c (reload_regs_reach_end_p): Replace with...
2296 (reload_reg_rtx_reaches_end_p): ...this function.
2297 (new_spill_reg_store): Update commentary.
2298 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2299 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2300 before setting new_spill_reg_store.
2301 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2302 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2303 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2304 for non-spill reload registers.
2306 2012-02-05 Ira Rosen <irar@il.ibm.com>
2308 PR tree-optimization/52091
2309 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2310 (vect_is_simple_use_1): Likewise.
2311 * tree-vect-loop.c (vectorizable_reduction): Update calls
2312 to vect_is_simple_use_1 and vect_is_simple_use.
2313 (vectorizable_live_operation): Likewise.
2314 * tree-vect-patterns.c (widened_name_p,
2315 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2316 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2317 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2318 vectorizable_shift,vectorizable_operation, vectorizable_store,
2319 vectorizable_load): Likewise.
2320 (vect_is_simple_cond): Add an argument, pass it to
2321 vect_is_simple_use_1.
2322 (vectorizable_condition): Update calls to vect_is_simple_cond,
2324 (vect_is_simple_use): Add an argument, the statement in which
2325 OPERAND is used. Check that if OPERAND's def stmt is a double
2326 reduction phi node, the use is a phi node too.
2327 (vect_is_simple_use_1): Add an argument, pass it to
2329 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2330 to vect_is_simple_use.
2332 2012-02-04 Jakub Jelinek <jakub@redhat.com>
2334 PR rtl-optimization/52095
2335 * modulo-sched.c (dump_insn_locator): New function.
2336 (loop_canon_p, sms_schedule): Use it.
2338 PR rtl-optimization/52113
2339 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2340 even for decomposable shift/zext insns.
2342 2012-02-03 Jakub Jelinek <jakub@redhat.com>
2343 Zdenek Dvorak <ook@ucw.cz>
2345 PR rtl-optimization/52092
2346 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2347 on get_iv_value result.
2349 2012-02-02 Andrew Pinski <apinski@cavium.com>
2353 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2355 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2358 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2360 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
2362 PR rtl-optimization/49800
2363 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2364 (sched_finish): Call regstat_free_n_sets_and_refs.
2366 2012-02-02 Jia Liu <proljc@gmail.com>
2368 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2371 2012-02-02 Jan Hubicka <jh@suse.cz>
2372 Tom de Vries <tom@codesourcery.com>
2375 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2376 * varpool.c (varpool_analyze_pending_decls): Likewise.
2378 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2379 Jayant R Sonar <jayant.sonar@kpitcummins.com>
2381 * config.gcc: Add cr16-* support.
2383 * doc/extend.texi: Document cr16 extensions.
2384 * doc/install.texi: Document cr16 install.
2385 * doc/invoke.texi: Document cr16 options.
2386 * doc/md.texi: Document cr16 constraints.
2388 * common/config/cr16/cr16-common.c: New file.
2389 * config/cr16/cr16.c: New file.
2390 * config/cr16/cr16.h: New file.
2391 * config/cr16/cr16.md: New file.
2392 * config/cr16/cr16.opt: New file.
2393 * config/cr16/cr16-protos.h: New file.
2394 * config/cr16/predicates.md: New file.
2395 * config/cr16/constraints.md: New file.
2396 * config/cr16/t-cr16: New file.
2398 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2401 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2402 that operands[2] is either immediate, or q_regs_operand.
2404 PR tree-optimization/52073
2405 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2406 a pattern stmt for pattern uses, ignore uses outside of the loop.
2408 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2410 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2411 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2412 (OUT_AS1, OUT_AS2): Remove.
2414 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2416 PR rtl-optimization/51374
2417 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2418 to cross other volatile_refs_p insns.
2420 2012-02-01 Richard Guenther <rguenther@suse.de>
2422 * doc/invoke.texi (fno-inline): Clarify documentation.
2423 (finline-small-functions): Likewise.
2424 (finline-functions): Likewise.
2425 * common.opt (finline): Adjust comment and documentation.
2426 (finline-small-functions): Clarify documentation.
2427 (finline-functions): Likewise.
2428 (finline-functions-called-once): Likewise.
2430 2012-02-01 Tristan Gingold <gingold@adacore.com>
2432 * c-typeck.c (composite_type): Keep mode for pointers.
2434 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
2436 * function.h (regno_reg_rtx): Adjust comment.
2437 * reginfo.c (init_reg_modes_target): Only use the previous mode
2438 if it fits within one register. Remove MIPS comment.
2440 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2443 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2445 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2447 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2448 to srak instruction.
2450 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2452 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2454 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2459 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2461 2012-01-31 Richard Guenther <rguenther@suse.de>
2463 PR tree-optimization/51528
2464 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2467 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2472 * ree.c (add_removable_extension): Change def_map argument
2473 to unsigned *, store in def_map 1 + offset into *insn_list vector
2474 instead of pointers into the vector.
2475 (find_removable_extensions): Adjust caller.
2477 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2479 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2480 Transform all "* quoted-c-code" to { c-code }.
2481 Remove redundant test for "optimize" in combine patterns.
2482 Move (include "avr-dimode.md") to end of file.
2484 2012-01-30 Bin Cheng <bin.cheng@arm.com>
2487 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2488 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2490 2012-01-30 Richard Guenther <rguenther@suse.de>
2492 PR tree-optimization/52028
2493 * tree-loop-distribution.c (ldist_gen): Properly update
2496 2012-01-30 Jakub Jelinek <jakub@redhat.com>
2499 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2500 set_cur_line_info_table if not emitting debug info.
2502 PR tree-optimization/52046
2503 * tree-vect-patterns.c (check_bool_pattern): Give up if
2504 a comparison could throw.
2507 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2509 2012-01-30 Richard Guenther <rguenther@suse.de>
2511 PR tree-optimization/52045
2512 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2513 SSA form if cfgcleanup did anything.
2515 2012-01-30 Richard Guenther <rguenther@suse.de>
2517 PR tree-optimization/52045
2518 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2519 before computing final todo.
2521 2012-01-30 Richard Guenther <rguenther@suse.de>
2523 PR tree-optimization/51528
2524 * tree-sra.c (sra_modify_assign): Re-factor in preparation
2527 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
2529 * df-problems.c (df_kill_notes): Check that the use refers
2530 to the note under examination.
2532 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
2535 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2536 parameter and use short-lived pseudos.
2537 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2538 (sparc_expand_vector_init): Const-ify local variables and adjust
2539 calls to above functions.
2541 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2543 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2545 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
2547 * doc/invoke.texi: Make usage of "compile time" and
2548 "run time"/"runtime" consistent throughout the file.
2550 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
2552 * config/alpha/alpha.c (alpha_option_override): Default to
2553 full IEEE compliance mode for Go language.
2555 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
2557 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2558 (LINK_SSP_SPEC): Define.
2560 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2563 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2566 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
2568 * doc/invoke.texi: Correct hyphenation of "floating point",
2569 "double precision", and related terminology throughout the file.
2571 2012-01-28 Jakub Jelinek <jakub@redhat.com>
2574 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2575 arm_general_register_operand predicate for operand 2 instead of
2578 2012-01-27 Ian Lance Taylor <iant@google.com>
2581 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2582 * builtins.c (expand_builtin_init_trampoline): Add onstack
2583 parameter. Change caller.
2584 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2585 * tree.c (build_common_builtin_nodes): Declare
2586 __builtin_init_heap_trampoline.
2588 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
2590 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2591 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2592 * config/avr/avr.c: Ditto.
2593 (avr_regnames): Remove because unused.
2594 * config/avr/avr.md (*cpse.ne): New peephole.
2595 (*cpse.eq): New peephole from former cpse peepholes.
2597 2012-01-27 Michael Eager <eager@eagercon.com>
2599 * config/microblaze.c (microblaze_emit_compare): Correct
2600 test after pcmp instruction.
2602 2012-01-27 Richard Guenther <rguenther@suse.de>
2604 PR tree-optimization/52020
2605 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2607 2012-01-27 Richard Guenther <rguenther@suse.de>
2609 * ipa-pure-const.c (check_stmt): Clobbers do not make a
2610 function non-const/pure.
2612 2012-01-27 Richard Guenther <rguenther@suse.de>
2614 PR tree-optimization/50444
2615 * tree-sra.c (build_ref_for_offset): Properly adjust the
2616 MEM_REF type for unaligned accesses.
2618 2012-01-27 Richard Guenther <rguenther@suse.de>
2620 PR tree-optimization/50444
2621 * expr.c (mem_ref_refers_to_non_mem_p): New function.
2622 (expand_assignment): Use it. Properly handle misaligned
2623 bases when expanding stores to component references.
2624 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2627 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
2630 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2631 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2632 * tree-data-ref.c (find_data_references_in_loop): Make static.
2633 (compute_all_dependences): Change return type to bool. Bail out
2634 for too many datarefs in a loop. Move the hunk resetting the data
2635 dependences vector from ...
2636 (compute_data_dependences_for_loop): ... here. Account for
2637 compute_all_dependences returning false.
2638 (compute_data_dependences_for_bb): Likewise.
2639 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2640 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2642 2012-01-27 Richard Guenther <rguenther@suse.de>
2645 * expr.c (store_field): Use the alias-set of the scratch memory
2648 2012-01-27 Tom de Vries <tom@codesourcery.com>
2650 PR tree-optimization/51990
2651 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2653 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2655 2012-01-27 Jakub Jelinek <jakub@redhat.com>
2658 * var-tracking.c (reverse_op): Don't add any reverse operation
2659 if V already has any constant locations.
2661 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2663 * doc/invoke.texi: Correct usage of "command line" (noun)
2664 vs "command-line" (adjective) throughout.
2666 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2668 * doc/invoke.texi (Language Independent Options): Move
2669 -Wcoverage-mismatch blurb from here....
2670 (Warning Options): ...to here.
2672 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
2674 * config/rs6000/rs6000.c (rs6000_option_override_internal):
2675 Set rs6000_always_hint to false for 476.
2677 2012-01-27 Matthias Klose <doko@ubuntu.com>
2679 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2681 * incpath.c (add_standard_paths): Likewise.
2683 2012-01-27 Richard Henderson <rth@redhat.com>
2685 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2686 * config/m68k/sync.md (atomic_test_and_set): Rename from
2687 sync_test_and_setqi and adjust the operands.
2688 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2689 and unconditionally enable.
2691 2012-01-27 Richard Henderson <rth@redhat.com>
2693 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2694 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2695 (ldstub): Rename from ldstubqi.
2696 (ldstub<I24MODE>): Remove.
2698 2012-01-27 Richard Henderson <rth@redhat.com>
2700 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2701 * c-cppbuiltin.c (cpp_atomic_builtins): Define
2702 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2703 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2704 * doc/tm.texi: Rebuild.
2706 2012-01-27 Richard Henderson <rth@redhat.com>
2708 * optabs.c (gen_atomic_test_and_set): Remove default.
2709 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2711 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2713 PR rtl-optimization/51978
2714 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2715 (combine_reaching_defs): Likewise.
2716 (struct re_info): Remove.
2717 (add_removable_extension): Remove x and data arguments,
2718 add insn, insn_list and def_map. Use the arguments directly
2719 instead of using struct re_info.
2720 (find_removable_extensions): Don't call add_removable_extension
2721 through note_stores, instead just call it with single_set
2723 (find_and_remove_re): Pass curr_cand->expr instead of
2724 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2726 2012-01-26 Michael Matz <matz@suse.de>
2728 PR tree-optimization/46590
2729 * cfgexpand.c: Revert last change (r183305).
2730 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2732 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2733 checking for emptiness.
2735 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2738 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2739 non-addressable non-BLKmode base correctly.
2741 2012-01-26 Michael Matz <matz@suse.de>
2743 PR tree-optimization/48794
2744 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2745 regions referenced from RESX/EH_DISPATCH.
2747 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2749 * config/s390/s390.h: Make BRANCH_COST an option.
2750 * config/s390/s390.opt: New option -mbranch-cost.
2752 2012-01-26 Richard Henderson <rth@redhat.com>
2754 Revert 2012-01-24 change:
2755 * trans-mem.c (requires_barrier): Do not instrument thread local
2756 variables and emit save/restore for them.
2758 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2761 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2764 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
2766 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2769 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
2772 Rename __pgm to __flash.
2773 Rename __pgm1 to __flash1.
2774 Rename __pgm2 to __flash2.
2775 Rename __pgm3 to __flash3.
2776 Rename __pgm4 to __flash4.
2777 Rename __pgm5 to __flash5.
2778 Rename __pgmx to __memx.
2779 * doc/extend.texi (AVR Named Address Spaces)
2780 Rename address space names as indicated above.
2781 * config/avr/avr.c (avr_addrspace): Ditto.
2783 * config/avr/avr-protos.h
2784 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2785 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2786 * config/avr/predicates.md: Ditto.
2787 * config/avr/avr.c Ditto, and
2788 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2789 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2791 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2792 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2793 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2794 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2795 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2796 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2797 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2798 * config/avr/avr.c: Ditto.
2799 * config/avr/avr.md: Ditto.
2801 2012-01-25 Jason Merrill <jason@redhat.com>
2804 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2806 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2808 PR tree-optimization/51987
2809 * tree-data-ref.c (get_references_in_stmt): Handle references in
2810 non-volatile GIMPLE_ASM.
2812 2012-01-25 Richard Guenther <rguenther@suse.de>
2814 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2815 bases are dereferenced.
2817 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2819 PR rtl-optimization/48374
2820 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2822 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2824 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2825 compute_data_dependences_for_loop returns false.
2826 * tree-parloops.c (loop_parallel_p): Likewise.
2828 2012-01-25 Richard Guenther <rguenther@suse.de>
2830 * tree.h (get_pointer_alignment_1): Declare.
2831 * builtins.c (get_pointer_alignment_1): New function.
2832 (get_pointer_alignment): Use it.
2834 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2836 PR rtl-optimization/48308
2837 * combine.c (enum undo_kind): Add UNDO_LINKS.
2838 (struct undo): Add member l to other_contents and where.
2839 (do_SUBST_LINK): New.
2841 (try_combine): Handle LOG_LINKS for the dummy i1 case.
2842 (undo_all): Handle UNDO_LINKS.
2844 2012-01-25 Richard Henderson <rth@redhat.com>
2846 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2849 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2851 * optabs.c (gen_atomic_test_and_set): Use each argument.
2853 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2855 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2856 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2857 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2858 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2859 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2860 TARGET_PAIRED_SINGLE_FLOAT.
2862 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2864 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2865 (in_struct, return_val): Remove MEM documentation.
2866 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2867 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2868 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2870 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2871 * cfgexpand.c (add_alias_set_conflicts): Likewise.
2872 * expr.c (store_field): Likewise.
2873 * function.c (assign_stack_temp_for_type): Likewise.
2874 * ifcvt.c (noce_try_cmove_arith): Likewise.
2875 * reload1.c (reload): Likewise.
2876 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2877 (alpha_set_memflags): Likewise.
2878 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2880 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2882 * rtl.h (true_dependence, canon_true_dependence): Remove varies
2884 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2885 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2886 (true_dependence_1, true_dependence, canon_true_dependence): Remove
2888 * cselib.c (cselib_rtx_varies_p): Delete.
2889 (cselib_invalidate_mem): Update call to canon_true_dependence.
2890 * dse.c (record_store, check_mem_read_rtx): Likewise.
2891 (scan_reads_nospill): Likewise.
2892 * cse.c (check_dependence): Likewise.
2893 (cse_rtx_varies_p): Delete.
2894 * expr.c (safe_from_p): Update call to true_dependence.
2895 * ira.c (validate_equiv_mem_from_store): Likewise.
2896 (memref_referenced_p): Likewise.
2897 * postreload-gcse.c (find_mem_conflicts): Likewise.
2898 * sched-deps.c (sched_analyze_2): Likewise.
2899 * store-motion.c (load_kills_store): Likewise.
2900 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2901 * gcse.c (mems_conflict_for_gcse_p): Likewise.
2902 (compute_transp): Update call to canon_true_dependence.
2904 2012-01-25 Richard Henderson <rth@redhat.com>
2906 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2907 (maybe_emit_atomic_test_and_set): New.
2908 (expand_sync_lock_test_and_set): Use it.
2909 (expand_atomic_test_and_set): Likewise.
2910 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2911 the implementation; clarify implementation defined details.
2912 * doc/md.texi (atomic_test_and_set): Document.
2914 2012-01-25 Richard Henderson <rth@redhat.com>
2916 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2918 2012-01-25 Richard Henderson <rth@redhat.com>
2921 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2922 to effect no-op split.
2924 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2927 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2928 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2929 (BT_FN_VOID_PTR_INT_SIZE): New.
2930 (BT_FN_UINT_UINT_VAR): Remove.
2931 (BT_FN_UINT32_UINT32_VAR): New.
2932 (BT_FN_DOUBLE_VPTR): Remove.
2933 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2935 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2936 (_ITM_changeTransactionMode): Same.
2937 (_ITM_memmoveRtWt): Change return type to void.
2938 (_ITM_memcpyRtWt): Same.
2939 (_ITM_memsetW): Same.
2940 (_ITM_RaRD): Change types to double.
2945 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2947 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2948 Patrick Marlier <patrick.marlier@gmail.com>
2950 * trans-mem.c (requires_barrier): Do not instrument thread local
2951 variables and emit save/restore for them.
2953 2012-01-24 Jason Merrill <jason@redhat.com>
2956 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2957 output static aliases.
2959 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2962 * common.opt (-pie, -shared, pie, shared): Change from Common to
2964 * gcc.c (display_help): Display help for -pie and -shared.
2966 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
2969 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2970 Remove note on size/offset limitation.
2971 (AVR Variable Attributes): Add example how to read data located
2972 with progmem. Refer to named address spaces.
2973 * doc/invoke.texi (AVR Options): Fix typo.
2975 2012-01-24 Richard Guenther <rguenther@suse.de>
2977 Forward-port to trunk
2978 2010-09-21 Jakub Jelinek <jakub@redhat.com>
2981 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2982 op0 isn't sufficiently aligned and there is movmisalignM
2983 insn for mode, use it to load op0 into a temporary register.
2985 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2988 * target.def (const_not_ok_for_debug_p): New hook.
2989 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2991 * doc/tm.texi: Regenerated.
2992 * dwarf2out.c (const_ok_for_output_1): If
2993 targetm.const_not_ok_for_debug_p returns true, fail.
2994 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2996 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2998 2012-01-23 Kai Tietz <ktietz@redhat.com>
3001 * config/i386/predicates.md (symbolic_operand): Allow
3002 UNSPEC_PCREL as PIC expression for lea.
3003 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
3004 * config/i386/i386.c (ix86_delegitimize_address): Handle
3005 UNSPEC_PCREL for none-MEM, too.
3007 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
3009 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
3010 (ipa_tm_create_version_alias): Same.
3012 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
3015 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
3016 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
3018 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
3019 Patrick Marlier <patrick.marlier@gmail.com>
3020 Iain Sandoe <developer@sandoe-acoustics.co.uk>
3023 * lto-wrapper.c (run_gcc): Pass the LTO section name to
3024 simple_object_start_read.
3026 2012-01-23 Richard Guenther <rguenther@suse.de>
3029 PR tree-optimization/51895
3030 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
3031 parameter decomposition into BLKmode components.
3033 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
3035 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
3036 fake variables for restrict-qualified pointers whose pointed-to type
3037 contains a placeholder.
3039 2012-01-23 Richard Guenther <rguenther@suse.de>
3041 PR tree-optimization/51949
3042 * ipa-split.c (execute_split_functions): Do not split malloc functions.
3044 2012-01-23 Jakub Jelinek <jakub@redhat.com>
3046 PR rtl-optimization/51933
3047 * ree.c (transform_ifelse): Return true right away if dstreg is
3048 already wider or equal to cand->mode.
3049 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
3050 (make_defs_and_copies_lists): Remove defs_list and copies_list
3051 arguments, add state argument, just truncate state->work_list
3052 instead of always allocating and freeing the vector. Assert that
3053 get_defs succeeds instead of returning 2. Changed return type to bool.
3054 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
3055 have ext_src_mode, see if it has been modified already with the
3056 right kind of extension and has been extended before from the
3057 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
3058 just return true. Remember the original mode in state->modified array.
3059 (combine_reaching_defs): Add state argument. Don't allocate and
3060 free here def_list, copied_list and vec vectors, instead just
3061 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
3062 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
3063 Add state variable, clear vectors in it, initialize state.modified
3064 if needed. Free all the vectors at the end and state.modified too.
3065 Don't skip a candidate if the extension expression has been modified.
3067 2012-01-22 Douglas B Rupp <rupp@gnat.com>
3070 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
3071 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
3072 (extra_options) interix.opt -> i386/interix.opt"
3073 (extra_objs):Add winnt-stubs.o
3074 * configure.ac: Add interix to target_os .comm on PE check.
3075 * configure: Regenerate.
3076 * config/interix3.h: Delete and move bits to..
3077 * config/interix.h: Delete and move bits to..
3078 * config/i386/i386-interix3.h: Delete and move bits to..
3079 * config/i386/i386-interix.h: ..here.
3080 (TARGET_CPU_DEFAULT): Remove redefinition.
3081 (TARGET_ASM_CONSTRUCTOR): Undefine.
3082 (SUBTARGET_SWITCHES): Define for ms-bitfields.
3083 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
3084 (PTRDIFF_TYPE): Define.
3085 (LONG_DOUBLE_TYPE_SIZE): Define.
3086 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
3087 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
3088 (TARGET_SECTION_TYPE_FLAGS): Define.
3089 (ASM_DECLARE_FUNCTION_NAME): Define.
3090 (ASM_OUTPUT_EXTERNAL): Define.
3091 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
3092 (ASM_OUTPUT_ALIGNED_BSS): Define.
3093 (PCC_BITFIELD_TYPE_MATTERS): Define.
3094 (USE_CONST_SECTION): Define.
3095 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
3096 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
3097 (SUPPORTS_ONE_ONLY): Remove.
3098 (I386_PE_STRIP_ENCODING): Define.
3099 * config/interix.opt: Delete and move bits to..
3100 * config/i386/interix.opt: ..here. New.
3101 (mpe-aligned-commons): Add.
3102 * config/i386/t-interix: Add copyright header.
3103 (winnt-stubs.o): Add rule.
3105 2012-01-22 Jason Merrill <jason@redhat.com>
3108 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
3109 for extra name aliases.
3111 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
3113 PR rtl-optimization/51924
3114 * ree.c (combine_set_extension): Improve debugging message.
3115 (combine_reaching_defs): Likewise.
3116 (get_defs): Rename confusingly named variable.
3117 (find_and_remove_re): Skip a candidate if the extension expression has
3120 2012-01-21 Robert Millan <rmh@gnu.org>
3121 Gerald Pfeifer <gerald@pfeifer.com>
3123 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
3124 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
3126 2012-01-20 Jakub Jelinek <jakub@redhat.com>
3128 PR tree-optimization/51914
3129 * tree-vect-stmts.c (vectorizable_conversion): For
3130 cvt_type && modifier == WIDEN, put temporary with cvt_type
3131 at the beginning of vec_dsts and set vec_dest to temporary
3134 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
3136 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
3138 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
3140 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
3141 * config/rs6000/rs6000.c: Likewise.
3143 2012-01-20 Jakub Jelinek <jakub@redhat.com>
3146 * config/arm/arm.c (arm_count_output_move_double_insns): Call
3147 output_move_double on a copy of operands array.
3149 2012-01-20 Cary Coutant <ccoutant@google.com>
3150 Dodji Seketeli <dodji@redhat.com>
3153 * dwarf2out.c (copy_declaration_context): Return ref to parent
3154 of declaration DIE, if necessary.
3155 (remove_child_or_replace_with_skeleton): Add new parameter; update
3156 caller. Place skeleton DIE under parent DIE of original declaration.
3157 Move call to copy_declaration_context to here ...
3158 (break_out_comdat_types): ... from here.
3160 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3162 PR rtl-optimization/51856
3163 * reload.c (find_reloads_subreg_address): Set the address_reloaded
3166 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3169 * config/arm/arm.c (arm_print_operand): Correct output of alignment
3170 hints for neon loads and stores.
3172 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
3176 * doc/extend.texi (Named Address Spaces): Split into subsections.
3177 (AVR Named Address Spaces): New subsection.
3178 (M32C Named Address Spaces): New subsection.
3179 (RL78 Named Address Spaces): New subsection.
3180 (SPU Named Address Spaces): New subsection.
3181 (Variable Attributes): New anchor "AVR Variable Attributes".
3182 (AVR Variable Attributes): Rewrite and avoid wording
3183 "address space" in this context.
3184 * doc/invoke.texi (AVR Options): Rewrite and add documentation
3185 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
3186 (AVR Built-in Macros): New subsubsection therein.
3187 * doc/md.texi (AVR constraints): Remove "C04", "R".
3189 2012-01-20 Richard Guenther <rguenther@suse.de>
3191 PR tree-optimization/51903
3192 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
3193 when removing stmts.
3195 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3198 * config/arm/arm.c (arm_load_pic_register): Use
3199 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
3200 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
3201 (arm_pic_static_addr): Likewise.
3202 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
3203 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
3204 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
3205 (pic_load_addr_unified): New.
3207 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
3210 * function.c (instantiate_virtual_regs_in_insn): Use
3211 delete_insn_and_edges when removing a wrong asm insn.
3213 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
3215 PR rtl-optimization/40761
3216 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
3217 Add new member loop_num.
3218 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
3219 (ira_build): Remove the parameter.
3221 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
3222 (ira.c): Do not build CFG loops for one region allocation. Remove
3223 argument from ira_build call.
3225 * ira-build.c (init_loop_tree_node): New function.
3226 (create_loop_tree_nodes): Use it. Separate the case when CFG
3227 loops are not built.
3228 (more_one_region_p): Check current_loops.
3229 (finish_loop_tree_nodes): Separate the case when CFG loops are not
3231 (add_loop_to_tree): Process loop equal to NULL too.
3232 (form_loop_tree): Separate the case when CFG loops are not built.
3233 Use explicitly number for the root.
3234 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
3236 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
3237 instead of loop->num.
3238 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
3239 (mark_all_loops_for_removal): Ditto.
3240 (remove_unnecessary_regions): Separate the case when CFG loops
3242 (ira_build): Remove the parameter. Use explicit number of regions
3243 when CFG loops are not built.
3245 * ira-color.c (print_loop_title): Separate the case for the root node.
3246 Use loop_num instead of loop->num.
3247 (move_spill_restore): Use loop_num instead of loop->num.
3249 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
3250 (change_loop): Ditto.
3251 (change_loop): Use loop_num instead of loop->num.
3253 * ira-lives.c (process_bb_node_lives): Ditto.
3255 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
3257 * ira-conflicts.c (print_allocno_conflicts): Ditto.
3259 2012-01-19 Jakub Jelinek <jakub@redhat.com>
3262 * tree-mudflap.c (mf_artificial): New function.
3263 (execute_mudflap_function_ops, execute_mudflap_function_decls,
3264 mx_register_decls, mudflap_enqueue_decl): Use it.
3267 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
3268 numbers in the insn pattern.
3270 2012-01-19 Michael Matz <matz@suse.de>
3272 PR tree-optimization/46590
3273 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
3274 use it in remembering which conflicts we already created.
3275 (add_scope_conflicts): Adjust call to above, (de)allocate helper
3278 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
3281 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
3282 (merge_and_complain): Same.
3284 2012-01-19 Jakub Jelinek <jakub@redhat.com>
3287 * config/initfini-array.h: Guard content of the header
3288 with #ifdef HAVE_INITFINI_ARRAY.
3289 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
3290 Add initfini-array.h to tm_file here.
3291 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
3292 * config.gcc: Don't add initfini-array.h to tm_file here.
3293 * configure: Regenerated.
3295 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
3297 PR rtl-optimization/51505
3298 * df-problems.c (df_kill_notes): New parameter live. Update comment.
3299 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
3300 (df_note_bb_compute): Update the call to df_kill_notes.
3302 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
3304 * trans-mem.c (requires_barrier): Remove call to is_global_var.
3306 2012-01-18 Richard Guenther <rguenther@suse.de>
3308 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
3309 of conversions to void *.
3311 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3312 Richard Sandiford <rdsandiford@googlemail.com>
3316 * optabs.h (simplify_expand_binop): Declare.
3317 * optabs.c (simplify_expand_binop): Make global.
3318 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
3319 endian targets if the source cannot be exactly covered by word
3322 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3325 * hard-reg-set.h (struct hard_reg_set_container): New type.
3326 * target.h (struct hard_reg_set_container): Forward declare.
3327 * target.def (set_up_by_prologue): New target hook.
3328 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
3329 * doc/tm.texi: Regenerated.
3330 * function.c (thread_prologue_and_epilogue_insns): Change
3331 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
3332 Call targetm.set_up_by_prologue on it.
3333 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
3334 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
3336 2012-01-17 Nick Clifton <nickc@redhat.com>
3338 * config/rx/rx.c (rx_can_use_simple_return): New function.
3339 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
3340 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
3342 2012-01-17 Richard Guenther <rguenther@suse.de>
3345 * expr.c (expand_assignment): Take address-space information
3346 from the address operand of MEM_REF and TARGET_MEM_REF.
3347 (expand_expr_real_1): Likewise.
3349 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3351 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
3352 reload dump is requested.
3354 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
3357 * trans-mem.c (requires_barrier): Call may_be_aliased.
3359 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3361 PR tree-optimization/51877
3362 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
3363 call arguments and fndecls compare equal, instead return false if they
3364 don't. Return true only if lhs1 and lhs2 are either both NULL, or
3365 both SSA_NAMEs that are valueized the same, or they satisfy
3368 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3370 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
3372 * configure: Regenerate.
3374 2012-01-16 Jan Hubicka <jh@suse.cz>
3378 * convert.c (convert_to_integer): Use fold_convert for
3379 converting an INTEGER_CST to integer type.
3381 2012-01-16 Jason Merrill <jason@redhat.com>
3384 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3386 2012-01-16 Jakub Jelinek <jakub@redhat.com>
3389 * config/s390/s390.c (s390_chunkify_start): Don't skip
3390 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
3391 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3392 If insn is followed by NOTE_INSN_VAR_LOCATION or
3393 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3394 Don't use location of note insns.
3396 PR tree-optimization/51865
3397 * tree-inline.c (tree_function_versioning): Call remap_decl
3398 on DECL_RESULT whenever it has VOID_TYPE_P type.
3400 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
3402 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3403 for calls to locally-binding MIPS16 functions if only the return
3404 type uses float regs.
3406 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
3407 Richard Sandiford <rdsandiford@googlemail.com>
3409 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3410 (SYMBOL_32_HIGH): Likewise.
3411 (mips_output_tls_reloc_directive): Declare.
3412 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3413 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3414 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3415 (mips_lo_relocs, mips_hi_relocs): Make extern.
3416 (mips16_stub_function): Move up file.
3417 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3418 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
3419 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
3420 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3421 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
3422 (mips_get_tp): Add MIPS16 support.
3423 (mips_legitimize_tls_address): Remove MIPS16 sorry().
3424 Generalize DTPREL and TPREL handling.
3425 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3426 Add MIPS16 TLS support.
3427 (mips_output_tls_reloc_directive): New function.
3428 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3429 * config/mips/predicates.md (symbolic_operand_with_high)
3430 (tls_reloc_operand): New predicates.
3431 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3432 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3433 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3434 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
3435 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3436 (*tls_get_tp_mips16_call_<mode>): Likewise.
3438 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
3440 PR rtl-optimization/51821
3441 * recog.c (peep2_find_free_register): Determine clobbered registers
3444 2012-01-14 Denis Chertykov <chertykov@gmail.com>
3447 * config/avr/avr-protos.h: Revert change of 2012-01-09.
3448 * config/avr/avr.c: Likewise.
3449 * config/avr/avr.h: Likewise.
3451 2012-01-13 Ian Lance Taylor <iant@google.com>
3454 * tree.h (TYPE_QUALS): Add cast to int.
3455 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3457 2012-01-13 Ian Lance Taylor <iant@google.com>
3459 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3460 comparing param_index to VEC_length result.
3462 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
3464 * c-decl.c: Do not include tree-mudflap.h
3465 * tree-optimize.c: Likewise.
3466 * Makefile.in: Update dependencies.
3468 2012-01-13 Richard Guenther <rguenther@suse.de>
3471 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3472 variable-sized result always use RSO.
3474 2012-01-12 DJ Delorie <dj@redhat.com>
3476 * cfgexpand.c (convert_debug_memory_address): Allow any valid
3477 pointer type, not just the default pointer type.
3479 2012-01-09 Richard Henderson <rth@redhat.com>
3480 Denis Chertykov <chertykov@gmail.com>
3483 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3484 * config/avr/avr.c (avr_can_eliminate): Simplify.
3485 (avr_initial_elimination_offset): Likewise.
3486 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3487 (expand_epilogue): Likewise.
3488 (avr_legitimize_address): Gut.
3489 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3490 (avr_hard_regno_nregs): New.
3491 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3492 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3493 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3494 add soft frame pointer.
3495 (CALL_USED_REGISTERS): Likewise.
3496 (REG_CLASS_CONTENTS): Likewise.
3497 (REGISTER_NAMES): Likewise.
3498 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3499 (HARD_FRAME_POINTER_REGNUM): New.
3500 (FRAME_POINTER_REGNUM): Use soft frame pointer.
3501 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3502 remove the HARD_FRAME_POINTER self-elimination.
3504 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
3507 * config/avr/avr.c (avr_encode_section_info): Test for absence of
3508 DECL_EXTERNAL when checking for initializers of progmem variables.
3510 2012-01-12 Ira Rosen <irar@il.ibm.com>
3512 PR tree-optimization/51799
3513 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3514 that the last operation is a type demotion.
3516 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
3518 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3519 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3521 2012-01-11 Jakub Jelinek <jakub@redhat.com>
3524 * combine.c (distribute_notes): If i3 is a noreturn call,
3525 allow old_size to be equal to args_size and make sure the
3526 noreturn call gets REG_ARGS_SIZE note.
3527 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3528 on noreturn calls even when the delta is 0.
3530 2012-01-11 Nathan Sidwell <nathan@acm.org>
3532 * gcov.c (STRING_SIZE): Remove.
3533 (generate_results): Erase annotations for source files with no
3534 coverage information.
3536 (output_lines): Use it.
3538 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3540 * gimple.h (gimplify_body): Remove first argument.
3541 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
3542 pointer set here, instead just pass DATA to walk_tree.
3543 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
3544 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3545 (unvisit_body): Likewise, but with unmark_visited.
3546 (gimplify_body): Remove BODY_P argument and adjust.
3547 (gimplify_function_tree): Adjust call to gimplify_body.
3548 * omp-low.c (finalize_task_copyfn): Likewise.
3550 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3552 * tree.h (build_function_decl_skip_args): Add boolean parameter.
3553 (build_function_type_skip_args): Delete.
3554 * tree.c (build_function_type_skip_args): Make static and add
3555 SKIP_RETURN parameter. Fix thinko in the handling of variants.
3556 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3557 pass it to build_function_type_skip_args.
3558 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3559 (tree_function_versioning): Likewise.
3560 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3561 build_function_decl_skip_args.
3562 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3563 and pass it to build_function_decl_skip_args/tree_function_versioning.
3564 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3565 * ipa-inline-transform.c (save_inline_function_body): Likewise.
3566 * trans-mem.c (ipa_tm_create_version): Likewise.
3567 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3568 * tree-inline.c (declare_return_variable): Remove always-true test.
3569 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
3570 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3571 * ipa-split.c (split_function): Skip the return value for the split
3572 part if it doesn't return.
3574 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3576 PR tree-optimization/49642
3577 * ipa-split.c (forbidden_dominators): New variable.
3578 (check_forbidden_calls): New function.
3579 (dominated_by_forbidden): Likewise.
3580 (consider_split): Check for forbidden dominators.
3581 (execute_split_functions): Initialize and free forbidden
3582 dominators info; call check_forbidden_calls.
3584 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3586 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3588 2012-01-11 Nick Clifton <nickc@redhat.com>
3590 * config/rx/rx.md (return): Define pattern.
3592 2012-01-11 Richard Guenther <rguenther@suse.de>
3594 * doc/extend.texi (malloc attribute): Adjust according to
3597 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
3598 Patrick Marlier <patrick.marlier@gmail.com>
3601 * trans-mem.c (get_cg_data): Traverse aliases if requested.
3602 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3603 (ipa_tm_note_irrevocable): Same.
3604 (ipa_tm_scan_irr_block): Same.
3605 (ipa_tm_decrement_clone_counts): Same.
3606 (ipa_tm_scan_irr_function): Same.
3607 (ipa_tm_create_version_alias): Same.
3608 (ipa_tm_create_version): Same.
3609 (ipa_tm_transform_calls_redirect): Same.
3610 (ipa_tm_transform_calls): Same.
3611 (ipa_tm_transform_transaction): Same.
3612 (ipa_tm_execute): Same.
3614 2012-01-10 Richard Guenther <rguenther@suse.de>
3617 * opts.c (common_handle_option): Handle -Werror.
3619 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
3621 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3624 2012-01-10 Jason Merrill <jason@redhat.com>
3626 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3629 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3631 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3632 supports R_386_TLS_GD_PLT reloc.
3633 (gcc_cv_as_ix86_tlsldmplt): Check if linker
3634 supports R_386_TLS_LDM_PLT reloc.
3635 * configure: Regenerate.
3636 * config.in: Regenerate.
3638 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
3641 Extend __pgmx semantics to linearize memory.
3642 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3643 determine if code comes inline or from libgcc.
3644 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3645 (movmem_qi, movmem_qi): Set constraint #2 to "n".
3646 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3647 (movmemx_qi, movmemx_hi): New insns.
3648 (xload_<mode>_libgcc): Rewrite to new insn condition.
3649 (xload_<mode>): Remove insns.
3650 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3651 cases that don't satisfy avr_xload_libgcc_p().
3652 (avr_addr_space_convert): Allow converting in any direction.
3653 (avr_addr_space_subset_p): Return always true.
3654 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3655 (avr_emit_movmemhi): Ditto.
3656 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3657 (avr_out_movmem): Ditto.
3658 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3659 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3660 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3661 (avr_encode_section_info): Encode 'progmem' in symbol flags.
3662 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3664 2012-01-10 Richard Guenther <rguenther@suse.de>
3666 PR tree-optimization/50913
3667 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3668 Require data-refs to be representable by Graphite with respect
3671 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
3673 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3674 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3676 2012-01-10 Tom de Vries <tom@codesourcery.com>
3678 PR rtl-optimization/51271
3679 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3680 handling annulled branch.
3682 2012-01-10 Richard Henderson <rth@redhat.com>
3684 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3685 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3686 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3687 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3688 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3689 arm_expand_vec_perm_const): New.
3690 * config/arm/arm-protos.h: Update.
3691 * config/arm/neon.md (UNSPEC_VCONCAT): New.
3692 (*neon_vswp<VDQX>): New.
3693 (neon_vcombine<VDX>): Use neon_split_vcombine.
3694 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3695 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3696 (vec_perm<VE>): New.
3698 2012-01-10 Richard Henderson <rth@redhat.com>
3700 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3701 use it if reload_completed.
3702 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3703 arm_output_asm_insn, arm_process_output_memory_barrier,
3704 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3705 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3706 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3707 arm_process_output_sync_insn, arm_output_sync_insn,
3708 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3709 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3710 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3711 (emit_unlikely_jump): New.
3712 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3713 (arm_split_atomic_op): New.
3714 * config/arm/arm-protos.h: Update.
3715 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3716 (struct arm_sync_generator): Remove.
3717 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3718 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3719 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3720 (VUNSPEC_LL, VUNSPEC_SC): New.
3721 (sync_result, sync_memory, sync_required_value, sync_new_value,
3722 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3723 (attr length): Don't use arm_sync_loop_insns.
3724 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3725 (movsfcc, movdfcc): Likewise.
3726 * config/arm/constraints.md (Ua): New.
3727 * config/arm/prediates.md (mem_noofs_operand): New.
3728 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3729 (sync_clobber, sync_t2_reqd): Remove.
3730 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3731 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3732 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3733 (arm_sync_compare_and_swap<SIDI>): Remove.
3734 (arm_sync_compare_and_swap<NARROW>): Remove.
3735 (arm_sync_lock_test_and_set<SIDI>): Remove.
3736 (arm_sync_lock_test_and_set<NARROW>): Remove.
3737 (arm_sync_new_<syncop><SIDI>): Remove.
3738 (arm_sync_new_<syncop><NARROW>): Remove.
3739 (arm_sync_new_nand<SIDI>): Remove.
3740 (arm_sync_new_nand<NARROW>): Remove.
3741 (arm_sync_old_<syncop><SIDI>): Remove.
3742 (arm_sync_old_<syncop><NARROW>): Remove.
3743 (arm_sync_old_nand<SIDI>): Remove.
3744 (arm_sync_old_nand<NARROW>): Remove.
3745 (*memory_barrier): Merge arm_output_memory_barrier.
3746 (atomic_compare_and_swap<QHSD>): New.
3747 (atomic_compare_and_swap<NARROW>_1): New.
3748 (atomic_compare_and_swap<SIDI>_1): New.
3749 (atomic_exchange<QHSD>): New.
3750 (cas_cmp_operand, cas_cmp_str): New.
3751 (atomic_op_operand, atomic_op_str): New.
3752 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3753 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3754 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3755 (arm_load_exclusive<NARROW>): New.
3756 (arm_load_exclusivesi, arm_load_exclusivedi): New.
3757 (arm_store_exclusive<QHSD>): New.
3759 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
3761 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3762 reload patterns if -mvsx-scalar-memory.
3764 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3765 generated, even -mno-vsx-scalar-double was used.
3766 (vsx_xscvdpsp_scalar): Likewise.
3767 (vsx_xscvspdp_scalar2): Likewise.
3769 2012-01-09 Tom de Vries <tom@codesourcery.com>
3770 Andrew Pinski <apinski@cavium.com>
3773 * reorg.c (fill_slots_from_thread): Don't speculate
3774 frame-related insns.
3776 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
3778 * sched-int.h (bb_note): Move to...
3779 * basic-block.h: ...here.
3780 * haifa-sched.c (bb_note): Move to...
3781 * cfgrtl.c: ...here.
3782 * function.c (next_block_for_reg): New function.
3783 (move_insn_for_shrink_wrap): Likewise.
3784 (prepare_shrink_wrap): Rewrite to use the above.
3786 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
3788 * gimple.c (is_gimple_non_addressable): Remove.
3789 * gimple.h: Remove is_gimple_non_addressable.
3790 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
3791 is_gimple_non_addressable.
3792 * trans-mem.c (expand_assign_tm): Same.
3794 2012-01-09 Richard Guenther <rguenther@suse.de>
3796 PR tree-optimization/51775
3797 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
3798 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
3800 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3802 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3804 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3806 2012-01-09 Richard Guenther <rguenther@suse.de>
3808 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
3810 2012-01-08 Jan Hubicka <jh@suse.cz>
3812 PR tree-optimize/51680
3813 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
3814 on when known_vals needs to be computed; cleanup.
3816 2012-01-08 Jan Hubicka <jh@suse.cz>
3818 PR tree-optimize/51694
3819 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
3821 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
3823 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
3824 for -std=c++98 and -std=c++11 too.
3826 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
3828 * cfgloop.c (cancel_loop): Add free() of bbs array.
3830 2012-01-07 Jan Hubicka <jh@suse.cz>
3832 PR tree-optimization/51600
3833 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
3834 that benefits small functions.
3836 2012-01-07 Jan Hubicka <jh@suse.cz>
3838 * ipa-inline.c (want_inline_small_function_p): Fix formating.
3840 2012-01-07 Jan Hubicka <jh@suse.cz>
3842 PR tree-optimization/51680
3843 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
3844 whose inlining reduce unit size.
3846 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
3849 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
3850 Add canonical node to containing_mem chain after the non-canonical
3851 one, even if there weren't any locs to propagate.
3852 (remove_useless_values): Keep only canonical values.
3853 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
3854 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
3855 canonicalize mem_chain elements that are not discarded.
3857 2012-01-06 Jakub Jelinek <jakub@redhat.com>
3860 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
3861 before emitting functions.
3863 PR gcov-profile/50127
3864 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
3865 clear_aux_for_blocks.
3867 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
3870 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
3872 2012-01-06 Arnaud Charlet <charlet@adacore.com>
3874 * c-decl.c (ext_block): Moved up.
3875 (collect_all_refs, for_each_global_decl): Take ext_block into account.
3877 2012-01-06 Han Shen <shenhan@google.com>
3879 Translate built-in include paths for sysroot.
3880 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
3881 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
3883 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
3884 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
3886 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
3887 control whether sysroot should be prepended to gxx include dir.
3889 * configure: Regenerate.
3891 2012-01-06 Torvald Riegel <triegel@redhat.com>
3893 PR rtl-optimization/51771
3894 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
3895 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
3897 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3899 PR tree-optimization/51315
3900 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
3901 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
3903 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
3906 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
3907 for shrp pattern. Correctly handle and fixup shift variable.
3908 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
3910 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3913 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
3914 note when !ACCUMULATE_OUTGOING_ARGS.
3916 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3918 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
3920 (extract_range_from_unary_expr_1): Avoid useless computations.
3922 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3924 PR rtl-optimization/51767
3925 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
3926 of jump_block and add an extra edge for degenerated asm gotos.
3929 * stmt.c (check_unique_operand_names): Don't ICE during error
3930 reporting if i is from labels chain.
3933 * profile.c (branch_prob): Split bbs that have exit edge
3934 and need a fake entry edge too.
3936 2012-01-05 Jan Hubicka <jh@suse.cz>
3939 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
3942 2012-01-05 Richard Guenther <rguenther@suse.de>
3945 * tree-streamer-out.c (write_ts_optimization): New function.
3946 (streamer_write_tree_body): Call it.
3947 * tree-streamer-in.c (lto_input_ts_optimization): New function.
3948 (streamer_read_tree_body): Call it.
3949 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
3951 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3954 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
3955 * gimplify.c (gimplify_cleanup_point_expr): Save and set
3956 in_cleanup_point_expr before gimplify_stmt call and restore it
3958 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
3959 in_cleanup_point_expr is false.
3961 2012-01-05 Richard Guenther <rguenther@suse.de>
3964 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
3966 * toplev.c (process_options): Reject combining mudflap and LTO.
3967 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
3969 2012-01-05 Richard Guenther <rguenther@suse.de>
3971 PR tree-optimization/51760
3972 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
3974 (bit_value_unop): Handle UNDEFINED operands.
3975 (bit_value_binop): Likewise.
3977 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
3979 * config/avr/avr.c (avr_replace_prefix): Remove.
3980 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
3981 (avr_asm_function_rodata_section): Ditto.
3982 (avr_asm_select_section): Ditto.
3984 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
3986 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
3989 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3992 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
3993 calls that have any non-fake successor edges.
3996 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
3998 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
4000 PR tree-optimization/51624
4001 * tree-sra.c (build_ref_for_model): When replicating a chain of
4002 COMPONENT_REFs, stop as soon as the offset would become negative.
4004 2012-01-04 Jakub Jelinek <jakub@redhat.com>
4007 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
4008 in .debug_loc on the floor.
4010 2012-01-04 Andrew Pinski <apinski@cavium.com>
4012 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
4014 2012-01-04 Andrew Pinski <apinski@cavium.com>
4015 Adam Nemet <anemet@caviumnetworks.com>
4017 * config/mips/mips.md (size): Add SI and DI.
4018 (SIZE): New mode attribute.
4019 (U): New code attribute.
4020 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
4021 (mips_lbux_<mode>): Delete.
4022 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
4023 (mips_lhx): Use gen_mips_lhx_extsi.
4024 (mips_lhx_<mode>): Delete.
4026 (mips_l<size>x): New expand.
4027 (mips_lwx_<mode>): Delete.
4028 (mips_l<GPR:size>x_<P:mode>): New pattern.
4029 (*mips_lw<u>x_<P:mode>_ext): Likewise.
4030 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
4031 * config/mips/mips.c (mips_lx_address_p): New function.
4032 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
4033 (dsp64): New availability predicate.
4034 (mips_builtins): Add an entry for __builtin_mips_ldx.
4035 * config/mips/mips.h (ISA_HAS_LBX): New define.
4036 (ISA_HAS_LBUX): Likewise.
4037 (ISA_HAS_LHX): Likewise.
4038 (ISA_HAS_LHUX): Likewise.
4039 (ISA_HAS_LWX): Likewise.
4040 (ISA_HAS_LWUX): Likewise.
4041 (ISA_HAS_LDX): Likewise.
4042 * doc/extend.texi (__builtin_mips_ldx): Document.
4044 2012-01-04 Tristan Gingold <gingold@adacore.com>
4046 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
4047 when long pointers are used.
4048 * config.build (*-*-*vms*): Handle all OpenVMS targets.
4049 (alpha64-dec-*vms*, alpha*-dec-*vms*)
4050 (ia64-hp-*vms*): Remove.
4051 * config/vms/xm-vms64.h: Delete.
4053 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4056 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
4058 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4060 * opts.c (finish_options): Remove duplicate sorry.
4062 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4065 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
4068 2012-01-04 Richard Guenther <rguenther@suse.de>
4071 * tree.c (size_low_cst): New function.
4072 * tree.h (size_low_cst): Declare.
4073 * fold-const.c (fold_comparison): Use it to extract the low
4074 part of the POINTER_PLUS_EXPR offset.
4076 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
4078 Fix clearing ZERO_REG
4079 * config/avr/avr.md (cc): Add alternative "ldi".
4080 (movqi_insn): Use it in cc attribute.
4081 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
4082 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
4083 (output_reload_insisf): Use ZERO_REG to pre-clear register.
4085 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4087 * configure: Regenerate.
4089 2012-01-04 Richard Guenther <rguenther@suse.de>
4091 PR tree-optimization/49651
4092 * tree-ssa-structalias.c (type_can_have_subvars): New function.
4093 (var_can_have_subvars): Use it.
4094 (get_constraint_for_1): Only consider subfields if there can be any.
4096 2012-01-03 Jakub Jelinek <jakub@redhat.com>
4099 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
4100 to its new canonical_cselib_val and the cselib_val was in
4101 first_containing_mem chain, but the canonical_cselib_val was not,
4102 add the latter into the chain.
4103 (cselib_invalidate_mem): Compare canonical_cselib_val of
4104 addr_list chain elt with v.
4107 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
4108 dwarf2out_undef): Allocate e.info using ggc_strdup instead
4110 (output_macinfo_op): Don't ggc_strdup fd->filename.
4111 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
4112 then ggc_strdup it. Don't free inc->info or cur->info.
4113 (output_macinfo): Don't free ref->info or file->info.
4115 2012-01-03 Ira Rosen <irar@il.ibm.com>
4117 PR tree-optimization/51269
4118 * tree-vect-loop-manip.c (set_prologue_iterations): Make
4119 first_niters a pointer.
4120 (slpeel_tree_peel_loop_to_edge): Likewise.
4121 (vect_do_peeling_for_loop_bound): Update call to
4122 slpeel_tree_peel_loop_to_edge.
4123 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
4124 here. Remove it from the parameters list.
4125 (vect_do_peeling_for_alignment): Update calls and compute
4128 2012-01-03 Richard Guenther <rguenther@suse.de>
4130 PR tree-optimization/51070
4131 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
4132 Properly handle calls.
4134 2012-01-03 Richard Guenther <rguenther@suse.de>
4136 PR tree-optimization/51692
4137 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
4138 the LHS of allocation stmts.
4140 2012-01-03 Olivier Hainque <hainque@adacore.com>
4142 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
4144 2012-01-03 Olivier Hainque <hainque@adacore.com>
4146 * collect2.c (main): In AIX specific computations for vector
4147 insertions, use CONST_CAST2 to cast from char ** to const char **.
4149 2012-01-03 Richard Guenther <rguenther@suse.de>
4152 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
4153 the context of a limbo DIE when it does not already exist.
4155 2012-01-03 Jakub Jelinek <jakub@redhat.com>
4157 PR tree-optimization/51719
4158 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
4159 but direct call is, clear direct call's lhs and don't add fallthrough
4160 edge from dcall_bb to join_bb and PHIs.
4162 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4164 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
4165 the instructions emitted by the pattern.
4166 ("*TDC_insn_<mode>"): Add comment.
4168 2012-01-03 Richard Guenther <rguenther@suse.de>
4171 * fold-const.c (fold_comparison): Properly canonicalize
4172 tree offset and HOST_WIDE_INT bit position.
4174 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
4176 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
4177 operands for extzv pattern.
4179 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4182 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
4185 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
4187 * doc/invoke.texi (-flto and related options): Copy-edit.
4189 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4191 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
4193 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4195 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
4198 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4200 * expr.h (move_by_pieces_ninsns): Declare.
4201 * expr.c (move_by_pieces_ninsns): Make external.
4202 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
4203 (mips_store_by_pieces_p): Likewise.
4204 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
4205 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
4206 * config/mips/mips.c (mips_move_by_pieces_p): New function.
4207 (mips_store_by_pieces_p): Likewise.
4209 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4211 * passes.c (register_one_dump_file): Free full_name.
4213 * reload1.c (reload): Don't allocate reg_max_ref_width here.
4214 (calculate_elim_costs_all_insns): Free offsets_at and
4215 offsets_known_at at the end and clear the pointers.
4217 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4219 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
4220 this option introduced in r180739.
4222 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4225 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
4226 (tmake_file target=avr): Add avr/t-multilib.
4228 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
4229 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
4230 * config/avr/genmultilib.awk: New file.
4231 * config/avr/t-multilib: New auto-generated file.
4232 * config/avr/multilib.h: New auto-generated file.
4233 * config/avr/t-avr (AVR_MCUS): New variable.
4234 (genopt.sh): Use it.
4235 (s-mlib): Depend on t-multilib.
4236 (t-multilib, multilib.h): New dependencies.
4237 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
4238 (MULTILIB_OPTIONS): Remove.
4239 (MULTILIB_MATCHES): Remove.
4240 (MULTILIB_DIRNAMES): Remove.
4241 (MULTILIB_EXCEPTIONS): Remove:
4242 * config/avr/genopt.sh: Don't use hard coded file name;
4243 pass AVR_MCUS from t-avr instead.
4245 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4247 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
4249 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4251 Implement light-weight DImode support.
4252 * config/avr/avr-dimode.md: New file.
4253 * config/avr/avr.md: Include it.
4254 (adjust_len): Add plus64, compare64.
4255 (HIDI): Remove code iterator.
4256 (code_stdname): New code attribute.
4257 (rotx, rotsmode): Remove DI.
4258 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
4260 * config/avr/avr-protos.h (avr_have_dimode): New.
4261 (avr_out_plus64, avr_out_compare64): New.
4262 * config/avr/avr.c (avr_out_compare): Handle DImode.
4263 (avr_have_dimode): New variable definition and initialization.
4264 (avr_out_compare64, avr_out_plus64): New functions.
4265 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
4266 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
4267 (avr_compare_pattern): Skip DImode comparisons.
4269 2012-01-02 Revital Eres <revital.eres@linaro.org>
4271 * ddg.c (def_has_ccmode_p): New function.
4272 (add_cross_iteration_register_deps,
4273 create_ddg_dep_from_intra_loop_link): Call it.
4275 2012-01-02 Richard Guenther <rguenther@suse.de>
4278 * invoke.texi (fassociative-math): Remove spurious paranthesis.
4280 2012-01-01 Jakub Jelinek <jakub@redhat.com>
4282 * gcc.c (process_command): Update copyright notice dates.
4283 * gcov.c (print_version): Likewise.
4284 * gcov-dump.c (print_version): Likewise.
4285 * mips-tfile.c (main): Likewise.
4286 * mips-tdump.c (main): Likewise.
4288 2012-01-01 Ira Rosen <irar@il.ibm.com>
4290 PR tree-optimization/51704
4291 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
4292 a use is inside the basic block or loop before accessing its vect info.
4294 2012-01-01 Jan Hubicka <jhjh@suse.cz>
4296 PR rtl-optimization/51069
4297 * cfgloopmanip.c (remove_path): Removing path making irreducible
4298 region unconditional makes BB part of the region.
4300 2012-01-01 Jakub Jelinek <jakub@redhat.com>
4302 PR tree-optimization/51683
4303 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
4304 calls with side-effects.
4305 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
4307 Copyright (C) 2012 Free Software Foundation, Inc.
4309 Copying and distribution of this file, with or without modification,
4310 are permitted in any medium without royalty provided the copyright
4311 notice and this notice are preserved.