1 2012-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4 * varasm.c (process_pending_assemble_externals): Set
5 pending_assemble_externals_processed true.
6 (assemble_external): Call assemble_external_real if the pending
7 assemble externals have been processed.
9 2012-04-09 Eric Botcazou <ebotcazou@adacore.com>
12 * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
13 the DECL generated for the special GOT helper.
15 2012-04-06 Walter Lee <walt@tilera.com>
17 Backport from mainline
18 2012-03-07 Walter Lee <walt@tilera.com>
20 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
21 REG_CFA_* notes for the stack pointer.
22 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
23 EH_RETURN_STACKADJ_RTX.
24 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
25 generate REG_CFA_* notes for the stack pointer.
26 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
27 by EH_RETURN_STACKADJ_RTX.
29 2012-04-06 Matt Turner <mattst88@gmail.com>
31 * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
33 2012-04-06 Eric Botcazou <ebotcazou@adacore.com>
35 * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
36 of the destination isn't also a FP_REGS register.
38 2012-04-03 Richard Guenther <rguenther@suse.de>
40 Backport from mainline
41 2012-03-02 Richard Guenther <rguenther@suse.de>
43 PR tree-optimization/52406
44 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
45 (struct indices): Add unconstrained_base member.
46 (struct dr_alias): Remove unused vops member.
47 (DR_UNCONSTRAINED_BASE): New define.
48 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
49 add indices to allow their disambiguation. Make DR_BASE_OBJECT
50 be an artificial access that covers the whole indexed object,
51 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
52 plain decl base-objects to their MEM_REF variant.
53 (dr_may_alias_p): When the base-object of either data reference
54 has unknown size use only points-to information.
55 (compute_affine_dependence): Make dumps easier to read and
57 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
58 DR_REF when looking for packed references.
59 (vect_supportable_dr_alignment): Likewise.
61 2012-04-03 Richard Guenther <rguenther@suse.de>
63 Backport from mainline
64 2012-03-15 Richard Guenther <rguenther@suse.de>
67 * tree-data-ref.c (subscript_dependence_tester_1): Check
68 all dimensions for non-conflicting access functions.
70 2012-04-03 Richard Guenther <rguenther@suse.de>
72 Backport from mainline
73 2012-03-06 Richard Guenther <rguenther@suse.de>
76 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
78 2012-03-23 Richard Guenther <rguenther@suse.de>
80 PR tree-optimization/52678
81 * tree-vectorizer.h (struct _stmt_vec_info): Add
82 loop_phi_evolution_part member.
83 (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
84 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
85 STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
86 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
87 Use the cached evolution part and the PHI nodes value from
88 the loop preheader edge instead of re-analyzing the evolution.
90 2012-03-26 Richard Guenther <rguenther@suse.de>
92 PR tree-optimization/52701
93 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
94 compute and set the evolution part of PHI nodes.
96 2012-03-30 Richard Guenther <rguenther@suse.de>
98 PR tree-optimization/52754
99 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
100 propagate arbitrary addresses into really plain dereferences.
102 2012-04-03 Jakub Jelinek <jakub@redhat.com>
104 PR tree-optimization/52835
105 * tree-data-ref.c (build_rdg): Return NULL if
106 compute_data_dependences_for_loop failed.
108 2012-03-31 Eric Botcazou <ebotcazou@adacore.com>
110 * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
111 (stmt_can_make_abnormal_goto): Use it.
112 (is_ctrl_altering_stmt): Likewise.
114 2012-03-31 Martin Jambor <mjambor@suse.cz>
116 Backported from mainline
117 2012-03-30 Martin Jambor <mjambor@suse.cz>
119 * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
120 is a builtin_stack_save in a dominating BB.
122 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
124 * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
125 crossing 128bit lane boundary.
127 2012-03-29 Uros Bizjak <ubizjak@gmail.com>
129 Backported from mainline
130 2012-03-27 Uros Bizjak <ubizjak@gmail.com>
133 * config/i386/i386-protos.h (ix86_legitimize_reload_address):
135 * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
136 * config/i386/i386.c: Include reload.h.
137 (ix86_legitimize_reload_address): New function.
139 2012-03-28 Martin Jambor <mjambor@suse.cz>
141 Backported from mainline
142 2012-03-27 Martin Jambor <mjambor@suse.cz>
145 * tree-sra.c (sra_modify_assign): Do not call
146 load_assign_lhs_subreplacements when working with an unscalarizable
149 2012-03-28 Jakub Jelinek <jakub@redhat.com>
152 * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
153 __builtin_va_start to __builtin_next_arg if the latter is
154 builtin_decl_explicit_p rather than when it is not.
157 * tree-vect-generic.c (vector_element): Perform multiplication
158 for pos in bitsizetype type instead of idx type.
160 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
162 Backport from 2012-03-28 mainline r185910.
165 * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
166 (avr_builtin_decl): New static function.
167 (struct avr_builtin_description, avr_bdesc): Move up.
168 Add GTY marker. Add field fndecl. Remove redundant field id.
169 (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
170 (avr_expand_builtin): Code cleanup because .id is removed.
172 2012-03-28 Aurelien Buhrig <aurelien.buhrig.gcc@gmail.com>
175 * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
178 2012-03-28 Georg-Johann Lay <avr@gjlay.de>
180 Backport from 2012-03-28 mainline r185907.
183 * config.gcc (tm_file): Remove avr/multilib.h.
185 * doc/invoke.texi (AVR Options): Adjust
186 documentation of -mtiny-stack.
188 * config/avr/genmultilib.awk: Remove code to generate multilib.h.
189 (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
190 * config/avr/t-avr: Remove generation of multilib.h.
191 * config/avr/t-multilib: Regenerate.
192 * config/avr/multilib.h: Remove.
193 * config/avr/avr.opt (-msp8): New option.
194 (avr_sp8): New variable.
195 * config/avr/driver-avr.c (avr_device_to_sp8): New function.
196 * config/avr/avr.h (AVR_HAVE_SPH): New define.
197 (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
198 (avr_device_to_sp8): New prototype.
199 (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
200 (DRIVER_SELF_SPECS): New define.
201 * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
202 __AVR_SP8__, __AVR_HAVE_SPH__.
203 * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
204 AVR_HAVE_8BIT_SP to decide if SP_H is present.
205 (avr_file_start): Ditto.
207 2012-03-28 Jakub Jelinek <jakub@redhat.com>
210 * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
211 instead of 8 in adjust_address.
213 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
215 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
216 of a unit before computing the offset in units.
218 2012-03-27 Richard Guenther <rguenther@suse.de>
221 * fold-const.c (try_move_mult_to_index): Handle &x.array more
224 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
227 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
229 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
232 * varasm.c: Include pointer-set.h.
233 (pending_assemble_externals_set): New pointer set.
234 (process_pending_assemble_externals): Destroy the pointer set.
235 (assemble_external): See if decl is in pending_assemble_externals_set,
236 and add it to pending_assemble_externals if necessary.
237 (init_varasm_once): Allocate pending_assemble_externals_set.
239 2012-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
241 Backported from mainline
242 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
245 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
246 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
247 (vector_ltgt<mode>): Likewise.
248 (vector_ordered<mode>): Likewise.
249 (vector_unordered<mode>): Likewise.
250 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
252 2012-03-23 Joern Rennecke <joern.rennecke@embecosm.com>
254 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
257 2012-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
259 Backported from mainline
260 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
264 * config/sh/sh.c (sh_register_move_cost): Increase cost between
265 GENERAL_REGS and FP_REGS for SImode.
267 2012-03-22 Jakub Jelinek <jakub@redhat.com>
270 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
271 on any new_local_var_chain vars declared during recursing on
272 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
274 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
276 Backport from 2012-03-22 mainline r185692.
279 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
280 (unspecv): Add UNSPECV_MEMORY_BARRIER.
281 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
282 (delay_cycles_1, delay_cycles_2): Ditto.
283 (delay_cycles_3, delay_cycles_4): Ditto.
284 (nopv, *nopv): Ditto.
285 (sleep, *sleep): Ditto.
288 Backport from 2012-03-21 mainline r185605.
290 PR rtl-optimization/52543
292 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
293 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
294 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
295 (avr_load_libgcc_p): Restrict to __flash loads.
296 (avr_out_lpm): Only handle 1-byte loads from __flash.
297 (avr_load_lpm): New function.
298 (avr_find_unused_d_reg): Remove.
299 (avr_out_lpm_no_lpmx): Remove.
300 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
301 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
302 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
303 (load_<mode>, load_<mode>_clobber): New insns.
304 (mov<mode>): For multi-byte move from non-generic
305 16-bit address spaces: Expand to load_<mode> resp.
307 (load<mode>_libgcc): Remove expander.
308 (split-lpmx): Remove split.
310 Backport from 2012-03-13 mainline r185329.
313 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
314 offset (size) to a value the insns can deal with.
315 (expand_epilogue): Ditto.
317 Backport from 2012-03-12 mainline r185256.
320 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
321 type from reg_class_t to enum reg_class.
322 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
324 Backport from 2012-03-12 mainline r185253.
327 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
328 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
329 r184615 from 2012-02-28.
331 Backport from 2012-03-08 mainline r185105.
333 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
334 for constants in [-63,63].
336 Backport from 2012-03-08 mainline r185100.
339 * config/avr/avr.c (avr_mem_clobber): New static function.
340 (avr_expand_delay_cycles): Add memory clobber operand to
341 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
342 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
343 (enable_interrupt, disable_interrupt): New expander.
344 (nopv, sleep, wdr): New expanders.
345 (delay_cycles_1): Add memory clobber.
346 (delay_cycles_2): Add memory clobber.
347 (delay_cycles_3): Add memory clobber.
348 (delay_cycles_4): Add memory clobber.
349 (cli_sei): New insn from former "enable_interrupt",
350 "disable_interrupt" with memory clobber.
351 (*wdt): New insn from former "wdt" with memory clobber.
352 (*nopv): Similar, but for "nopv".
353 (*sleep): Similar, but for "sleep".
355 Backport from 2012-03-07 mainline r185043.
358 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
360 Backport from 2012-03-07 mainline r185032.
363 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
364 to: RAMPZ, RAMPY, RAMPX, RAMPD.
365 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
367 Backport from 2012-03-07 mainline r185031.
370 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
372 * config/avr/avr.md (xload_8): Adjust insn length.
374 Backport from 2012-03-07 mainline r185030.
377 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
378 if RAMPZ affects reading from RAM.
380 Backport from 2012-03-05 mainline r184919.
382 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
384 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
386 Backport from mainline r185259.
389 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
390 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
392 2012-03-22 Jakub Jelinek <jakub@redhat.com>
394 Backported from mainline
395 2012-03-13 Jakub Jelinek <jakub@redhat.com>
398 * c-parser.c (c_parser_postfix_expression)
399 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
401 * config/i386/smmintrin.h: Avoid /* within a comment.
402 * config/i386/nmmintrin.h: Likewise.
404 2012-03-22 Richard Guenther <rguenther@suse.de>
406 * BASE-VER: Set to 4.7.1.
407 * DEV-PHASE: Set to prerelease.
409 2012-03-22 Release Manager
411 * GCC 4.7.0 released.
413 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
415 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
417 2012-03-15 Jakub Jelinek <jakub@redhat.com>
418 Andrew Pinski <apinski@cavium.com>
421 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
422 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
423 calls instead of __builtin_ir{int,ound}*.
425 2012-03-14 Jakub Jelinek <jakub@redhat.com>
428 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
431 2012-03-13 Joseph Myers <joseph@codesourcery.com>
433 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
434 Refer to GCC 4.7 version of c99status.html.
436 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
438 Backport from mainline
439 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
441 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
442 redefine to be NULL if the current bit-size is different from the
445 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
446 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
447 set the default tuning. Add asserts to make sure the cpu and tune
448 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
449 test whether the index is set, instead of > 0.
450 (rs6000_file_start): Do not reset the default cpu if the current
451 bit-size is different from the configured bit-size.
453 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
455 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
457 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
458 Update binutils references.
459 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
460 Update binutils reference.
461 Update Sun as/GNU ld caveat.
462 Document binutils largefile requirement for LTO plugin.
463 Remove reference to alternate libpthread.
465 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
467 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
469 (Specific, mips-sgi-irix6): Likewise.
471 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
473 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
474 * configure: Regenerate.
476 2012-03-07 Richard Henderson <rth@redhat.com>
478 * config/m68k/m68k.h (ISA_HAS_TAS): New.
479 * config/m68k/sync.md (atomic_test_and_set): Use it.
480 (atomic_test_and_set_1): Likewise.
482 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
485 * Makefile.in: Let install-gcc-ar depend on installdirs,
486 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
487 Don't double canonicalize if cross-compiling.
489 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
491 * trans-mem.c: New typedef for tm_region_p.
492 Define vector types for tm_region_p.
493 (tm_region_init): Replace region_worklist to a vector called
496 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
499 * trans-mem.c (tm_region_init): Use last_basic_block.
501 2012-03-05 Richard Henderson <rth@redhat.com>
504 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
505 * omp-low.c (expand_omp_atomic): Assume anything aligned to
506 BIGGEST_ALIGNMENT is aligned.
508 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
510 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
512 2012-03-05 Richard Henderson <rth@redhat.com>
515 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
516 instead of calling negqi2 directly.
518 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
520 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
521 (INTMAX_TYPE): Use it.
522 (UINTMAX_TYPE): Likewise.
523 (SUBTARGET_OVERRIDE_OPTIONS): Define.
524 (irix6_c_common_override_options): Declare.
525 (C_COMMON_OVERRIDE_OPTIONS): Define.
526 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
527 * config/mips/irix6-c.c: New file.
528 * config/mips/t-irix6 (irix6-c.o): New target.
529 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
532 2012-03-02 Richard Henderson <rth@redhat.com>
534 * optabs.c (expand_atomic_test_and_set): Honor
535 atomic_test_and_set_trueval even when atomic_test_and_set
538 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
540 Backport from mainline
541 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
543 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
545 2012-03-02 Richard Guenther <rguenther@suse.de>
547 * DEV-PHASE: Set to prerelease.
549 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
551 * config.gcc (obsolete): Add all ARM targets using the FPA.
552 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
553 * doc/install.texi: Avoid references to obsolete ARM ports.
555 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
557 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
559 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
560 Joern Rennecke <joern.rennecke@embecosm.com>
562 * doc/extend.texi: Expand and update information on interrupt
563 attribute for Epiphany.
565 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
567 * config/sh/sh-protos.h: Update copyright notice dates.
568 * config/sh/sh.h: Likewise.
569 * config/sh/sh.md: Likewise.
570 * config/sh/constraints.md: Likewise.
571 * config/sh/predicates.md: Likewise.
573 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
575 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
576 * config/sh/sh.c (tertiary_reload_operand): Likewise.
578 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
580 * config/sh/constraints.md: Fix comment typo.
582 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
585 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
586 unsigned HOST_WIDE_INT.
587 (zvdep_imm64): Likewise.
588 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
589 (vdepi_and): Likewise.
590 Likewise for unamed 64-bit patterns.
591 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
593 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
596 PR rtl-optimization/52417
597 * cselib.c (cselib_any_perm_equivs): New variable.
598 (cselib_reset_table): Check that it's not set when not
599 preserving constants.
600 (cselib_add_permanent_equiv): Set it.
601 (cselib_have_permanent_equivalences): New.
602 (cselib_init, cselib_finish): Reset it.
603 * cselib.h (cselib_have_permanent_equivalences): Declare.
604 * alias.c (get_addr): Restore earlier behavior when there
605 aren't permanent equivalences.
607 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
609 * config/mn10300/mn10300-modes.def: Fix copyright notice.
610 * config/v850/v850-modes.def: Fix copyright notice.
612 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
614 * doc/extend.texi (AVR Built-in Functions): Document
615 __builtin_avr_flash_segment.
617 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
618 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
619 (*split.flash_segment): New insn-and-split.
620 * config/avr/avr.c (avr_init_builtins): Add local variables:
621 const_memx_void_node, const_memx_ptr_type_node,
622 char_ftype_const_memx_ptr.
624 2012-03-01 Jakub Jelinek <jakub@redhat.com>
626 PR tree-optimization/52445
627 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
628 add ssa_name_ver, offset and size fields and change store field
630 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
631 (add_or_mark_expr): Likewise. Only consider previous stores
632 with the same size and offset.
633 (nt_init_block): Only look at gimple_assign_single_p stmts,
634 doesn't look at rhs2.
636 2012-03-01 Richard Guenther <rguenther@suse.de>
639 * tree-cfg.c (verify_gimple_assign_unary): Allow any
640 conversions from integral types to pointer types.
642 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
644 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
645 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
646 unintentionally removed in r184616.
648 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
650 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
653 2012-02-29 Jakub Jelinek <jakub@redhat.com>
654 Uros Bizjak <ubizjak@gmail.com>
657 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
658 alternatives, add "e" constraint to the new last alternative
659 and ! to last 3 alternatives.
661 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
663 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
664 DW_AT_artificial attributes at the end of the processing.
665 (gen_array_type_die): Likewise.
666 (gen_enumeration_type_die): Likewise.
667 (gen_struct_or_union_type_die): Likewise.
668 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
671 2012-02-29 Jakub Jelinek <jakub@redhat.com>
674 * expr.c (expand_assignment): If doing misaligned store that doesn't
675 cover all mode bits, perform a RMW cycle.
677 PR tree-optimization/52429
678 * tree-parloops.c (separate_decls_in_region_debug): Return early
679 if var is LABEL_DECL.
681 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
683 PR tree-optimization/52424
684 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
685 calling dom_thread_across_edge.
687 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
689 * config/avr/avr.c: Move definition of TARGET macros to end of file.
691 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
693 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
694 * config/avr/avr.c (avr_output_bld): Remove unused function.
695 (avr_out_sbxx_branch): Use "%T" to print bit position.
697 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
699 * config/avr/avr.md: Untabify.
701 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
703 * config/avr/avr.md (eqne): New code iterator.
704 (*dec-and-branchsi): Use it in text peephole's condition.
705 (*dec-and-branchhi): Ditto.
706 (*dec-and-branchqi): Ditto.
708 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
711 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
712 the device does not have the skip-bug.
714 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
716 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
717 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
718 -mpretend-cmove): New.
720 2012-02-29 Jakub Jelinek <jakub@redhat.com>
723 * df.h (struct df_d): Adjust comment that hard_regs_live_count
724 doesn't count DEBUG_INSN refs.
725 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
728 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
732 2012-02-20 Richard Guenther <rguenther@suse.de>
733 PR tree-optimization/52298
734 * tree-vect-stmts.c (vectorizable_load): Properly use
735 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
738 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
741 * gimple.h (gimple_in_transaction): New.
742 (gimple_set_in_transaction): New.
743 (struct gimple_statement_base): Add in_transaction field.
744 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
746 (tree_ssa_lim_initialize): Compute transaction bits.
747 * tree.h (compute_transaction_bits): Protoize.
748 * trans-mem.c (tm_region_init): Use the heap to store BB
750 (compute_transaction_bits): New.
752 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
754 * gcc.c (display_help): Document --help=common and sort entries
757 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
759 * doc/install.texi: Document check-$LANG specific shortcuts
761 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
764 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
766 * config/arm/arm_neon.h: Regenerate.
767 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
768 (neon_vcgeu): New insn.
769 (neon_vcgtu): Likewise.
770 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
771 (ops): Unsigned comparison intrinsics call a different
774 2012-02-28 Richard Guenther <rguenther@suse.de>
777 * config/i386/i386.c (ix86_expand_vector_set): Fix element
778 ordering for the VEC_CONCAT for two element vectors for
779 V2SFmode, V2SImode and V2DImode.
781 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
784 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
785 detecting big-endian triplets.
787 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
789 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
790 mode if there is no type information available.
792 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
794 PR tree-optimization/53207
795 * doc/invoke.texi: Document as experimental and relying on graphite.
797 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
799 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
800 of initializer to changes from r184614.
802 2012-02-28 Richard Guenther <rguenther@suse.de>
804 PR tree-optimization/52395
805 * tree-sra.c (build_ref_for_offset): Also look at the base
806 TYPE_ALIGN when figuring out the alignment of the replacement.
808 2012-02-28 Richard Guenther <rguenther@suse.de>
810 PR tree-optimization/52402
811 * ipa-prop.c (ipa_modify_call_arguments): Properly use
812 mis-aligned types when creating the accesses at the call site.
814 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
816 * config/avr/builtins.def: New file.
817 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
818 * config/avr/avr.c (enum avr_builtin_id): Use it.
819 (avr_init_builtins): Use it. And use avr_bdesc.
820 (bdesc_1arg): Remove.
821 (bdesc_2arg): Remove.
822 (bdesc_3arg): Remove.
823 (struct avr_builtin_description): Add field n_args.
824 (avr_bdesc): New static variable using builtins.def.
825 (avr_expand_builtin): Use it.
826 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
827 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
828 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
830 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
833 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
834 match only one single hard register with respective hard reg rtx.
835 (movmemx_<mode>): Ditto.
836 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
837 insn anatomy of movmem[x]_<mode>.
838 (avr_out_movmem): Same for printing assembler and operand usage.
840 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
844 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
845 address spaces located outside of device flash.
847 * config/avr/avr.h (base_arch_s): Remove field n_segments.
848 (mcu_type_s): Add field n_flash.
849 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
850 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
851 (AVR_MCU): Add N_FLASH argument.
852 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
853 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
854 macro __FLASH<n> if that address space makes sense for the device.
855 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
856 outside of target flash.
857 (avr_asm_named_section): Ditto.
858 (avr_asm_select_section): Ditto.
859 (avr_addr_space_convert): Ditto.
860 (avr_emit_movmemhi): Ditto.
861 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
862 address space is outside of device flash.
863 (avr_insert_attributes): Ditto.
864 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
865 avr_current_arch->n_segments.
867 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
870 * config/i386/i386.md (*movabs<mode>_1): Enable only for
872 (*movabs<mode>_2): Likewise.
874 2012-02-27 Jakub Jelinek <jakub@redhat.com>
877 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
878 s_register_operand in the test instead of REG_P. Don't call
879 gen_reg_rtx if it won't be used.
881 PR tree-optimization/52376
882 * ipa-split.c (split_function): Ignore CLOBBER stmts.
884 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
886 * ifcvt.c (noce_get_condition): Check condition variable is not
887 small_register_classes_for_mode_p before accepting.
889 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
891 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
893 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
896 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
897 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
899 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
901 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
903 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
905 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
907 * config/sh/predicates.md: Remove blank lines.
908 * config/sh/sh.c: Fix typos in comments.
909 * config/sh/constraints.md: Likewise.
910 * config/sh/sh.md: Remove blank lines.
911 Fix typos in comments. Use ;; as comment characters.
913 2012-02-26 Walter Lee <walt@tilera.com>
915 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
916 (replace_mov_pcrel_step2): Ditto.
918 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
921 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
922 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
923 and locs that reference values newer than the non-canonical value
924 at hand. Return the canonical value as a worst case.
925 (memrefs_conflict_p): Walk canonical value's locs.
928 * cselib.c (preserve_only_constants): Rename to...
929 (preserve_constants_and_equivs): ... this. Split out...
930 (invariant_or_equiv_p): ... this. Preserve plus expressions
931 of other preserved expressions too.
932 (cselib_reset_table): Adjust.
933 * var-tracking.c (reverse_op): Use canonical value to build
936 2012-02-23 Kai Tietz <ktietz@redhat.com>
938 * config/i386/i386.c (ix86_delegitimize_address): Handle
939 UNSPEC_PCREL plus displacement.
941 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
944 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
945 to test for unusedness in st X addressing.
947 2012-02-24 Richard Guenther <rguenther@suse.de>
950 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
951 (is_gimple_reg_type): Move inline ...
952 * gimple.h (is_gimple_reg_type): ... here.
954 2012-02-24 Richard Guenther <rguenther@suse.de>
957 * passes.c (execute_function_todo): When verifying SSA form
958 verify gimple form first.
959 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
961 2012-02-24 Richard Guenther <rguenther@suse.de>
964 * fold-const.c (fold_addr_of_array_ref_difference): New function.
965 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
967 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
969 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
971 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
973 * tree-phinodes.c (make_phi_node): Mark static.
974 * tree-flow.h (make_phi_node): Remove extern decl.
975 * doc/gimple.texi (make_phi_node): Remove documentation.
977 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
979 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
980 * tree-ssa-sccvn.c (print_scc): Ditto.
982 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
984 * doc/passes.texi (Full redundancy elimination): Fix typo.
986 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
988 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
990 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
993 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
995 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
998 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1000 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
1002 * config/avr/avr.md (code_stdname): Add ior, xor.
1003 (xior): New code iterator.
1004 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1005 (*<code_stdname><mode>qi.byte1-3): Ditto.
1007 2012-02-23 Jakub Jelinek <jakub@redhat.com>
1009 PR tree-optimization/52019
1010 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1013 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1015 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1016 HAVE_INITFINI_ARRAY to work around namespace pollution in
1017 certain versions of newlib system headers.
1018 * config.in: Regenerate.
1019 * configure: Regenerate.
1020 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1021 instead of HAVE_INITFINI_ARRAY.
1023 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
1026 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1027 is not offsettable memory reference.
1029 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1032 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1033 setting avr_need_clear_bss_p for __gnu_lto* symbols.
1035 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1037 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1038 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1040 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1042 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1043 library on Solaris 8 even without TLS support.
1044 * configure: Regenerate.
1046 2012-02-22 Richard Guenther <rguenther@suse.de>
1049 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1050 for GIMPLE_DEBUG stmts.
1052 2012-02-22 Martin Jambor <mjambor@suse.cz>
1055 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1056 according to the base object.
1058 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1060 PR rtl-optimization/50063
1061 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1062 and 2 (8-bit SP) in operand 2.
1063 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1064 setup to use movhi_sp_r instead of vanilla move to write SP.
1065 Adjust REG_CFA notes to superseed unspec.
1066 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1068 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1069 known to be off) only with TARGET_NO_INTERRUPTS. Never use
1070 irq_state 1 (IRQ known to be on) here.
1072 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
1074 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1076 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1077 assign_hard_reg): Likewise.
1079 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1081 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1083 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1086 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1087 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1089 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1091 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1092 prototype from here to...
1093 * config/avr/avr.h: ...here.
1095 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
1098 * thumb2.md (thumb2_shiftsi3_short): Split register and
1099 immediate shifts. For register shifts tie operands 0 and 1.
1100 (peephole2 for above): Check that register-controlled shifts
1101 have suitably tied operands.
1103 2012-02-21 Quentin Neill <quentin.neill@amd.com>
1106 * config/i386/bdver1.md (bdver1_call, bdver1_push,
1107 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1108 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1109 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1110 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1111 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1112 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1113 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1114 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1115 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1116 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1117 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1118 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1119 bdver1_ssevector_avx256_unaligned_load,
1120 bdver1_ssevector_sse128_unaligned_load,
1121 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1122 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1123 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1124 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1125 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1126 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1127 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1128 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1129 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1130 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1131 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1132 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1133 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1134 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1135 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1136 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1137 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1138 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1139 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1140 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1141 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1142 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1143 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1144 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1145 bdver1_ssediv_double_load, bdver1_ssediv_double,
1146 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1147 Add "bdver2" attribute.
1149 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1151 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1152 default if possible and not specified otherwise.
1154 2012-02-21 Richard Guenther <rguenther@suse.de>
1157 * gimplify.c (create_tmp_from_val): Use the main variant type
1158 for the type of the temporary we create.
1160 2012-02-21 Richard Guenther <rguenther@suse.de>
1162 PR tree-optimization/52324
1163 * gimplify.c (gimplify_expr): When re-gimplifying expressions
1164 do not gimplify a MEM_REF address operand if it is already
1167 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1169 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1170 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1172 2012-02-21 Richard Guenther <rguenther@suse.de>
1174 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1175 nested_in_vect_loop.
1177 2012-02-21 Jakub Jelinek <jakub@redhat.com>
1179 PR tree-optimization/52318
1180 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1181 vdef also to non-pure/const call stmts in the sequence.
1183 2012-02-20 David S. Miller <davem@davemloft.net>
1185 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1186 don't use the "rd %pc" instruction on v9 for PIC register loads.
1188 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
1191 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1192 in a transaction safe function.
1194 2012-02-20 Kai Tietz <ktietz@redhat.com>
1197 * stor-layout.c (place_field): Handle desired_align for
1200 2012-02-20 Richard Guenther <rguenther@suse.de>
1202 PR tree-optimization/52298
1203 * tree-vect-stmts.c (vectorizable_store): Properly use
1204 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1206 (vectorizable_load): Likewise.
1207 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1208 Access DR_STEP after ensuring it is not NULL.
1210 2012-02-20 Jakub Jelinek <jakub@redhat.com>
1212 PR tree-optimization/52286
1213 * fold-const.c (fold_binary_loc): For (X & C1) | C2
1214 optimization use double_int_to_tree instead of build_int_cst_wide,
1215 rewrite to use double_int vars.
1217 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1220 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1222 Remove -e 0 from $gcc_cv_ld invocation.
1223 Only use __GLIBC_PREREQ if defined.
1224 Enable on Solaris since Solaris 8 patch.
1225 (gcc_SUN_LD_VERSION): New macro.
1226 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1227 gcc_SUN_LD_VERSION for version number format.
1228 * configure: Regenerate.
1229 * varasm.c (get_elf_initfini_array_priority_section): Set
1230 SECTION_NOTYPE for non-default priority.
1231 Use get_section instead of get_unnamed_section to emit
1232 .init_array/.fini_array with default priority.
1234 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1236 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1237 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
1238 (mips_start_unique_function, mips_output_mips16_rdhwr)
1239 (mips_code_end): New functions.
1240 (TARGET_ASM_CODE_END): Define.
1242 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1244 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1245 to stubs with non-sibling calls.
1247 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
1249 * doc/invoke.texi (-fira-* options): Copy-edit.
1250 (ira-* parameters): Copy-edit.
1252 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1254 * doc/invoke.texi: Minor copy-edits to bring into conformance with
1255 GCC coding conventions.
1257 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1259 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1260 when used as adjectives.
1262 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
1264 * doc/invoke.texi: Clean up "that"/"which" confusion.
1266 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
1268 * system.h: Poison SMALL_REGISTER_CLASSES
1269 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1270 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1272 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1274 PR tree-optimization/52285
1275 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1276 when deciding if a call is a tail call or tail recursion.
1278 2012-02-16 Kai Tietz <ktietz@redhat.com>
1280 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1281 interger-constant displacement for UNSPEC_PCREL.
1283 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1285 PR rtl-optimization/52208
1286 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1287 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1289 PR tree-optimization/52255
1290 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1291 loop->header has virtual PHI, but exit_e->dest doesn't, add
1292 virtual PHI to exit_e->dest and adjust all uses after the loop.
1295 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1296 children with clone_tree_hash, not after it.
1298 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
1300 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1301 extended identifiers.
1303 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1306 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1307 a same_body_alias, also test whether e->callee isn't a former
1308 or current clone of the decl this is a same body alias of.
1310 PR translation/52264
1311 * cgraphunit.c (verify_cgraph_node): Fix a typo.
1313 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
1315 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1317 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
1320 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1321 force_reg instead of copy_to_reg for better optimization. Force
1322 non-register or memory operands into a register.
1324 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
1326 * extend.texi: Reserve upper bits of memory model for future use.
1328 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
1329 Anatoly Sokolov <aesok@post.ru>
1330 Eric Weddington <eric.weddington@atmel.com>
1333 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1334 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1335 Rewrite initializers for .macro.
1336 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1337 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1338 atxmega32d4, atxmega32x1.
1339 avrxmega4: atxmega64a3, atxmega64d3.
1340 avrxmega5: atxmega64a1, atxmega64a1u.
1341 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1342 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1343 avrxmega7: atxmega128a1, atxmega128a1u.
1344 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1345 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1346 (struct base_arch_s): Rename reserved to xmega_p.
1347 Rename reserved2 to have_rampd.
1348 (AVR_XMEGA): New define.
1349 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1350 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1351 * config/avr/predicates.md (io_address_operand): Take into
1353 (low_io_address_operand): Ditto.
1354 (high_io_address_operand): Ditto.
1355 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1356 (enabled, movhi_sp_r): Use them.
1357 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1358 cpp_define_formatted to built-in define __AVR_ARCH__.
1359 (__AVR_XMEGA__): New built-in define.
1360 (__AVR_HAVE_RAMPD__): New built-in define.
1361 (__AVR_HAVE_RAMPX__): New built-in define.
1362 (__AVR_HAVE_RAMPY__): New built-in define.
1363 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1365 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1366 (avr_option_override): Initialize them.
1367 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1368 (avr_init_expanders): Initialize them. No more block several calls.
1369 (emit_push_sfr): New static function.
1370 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1372 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1373 (avr_print_operand): Print addreeses as symbols for
1374 RAMPX, RAMPY, RAMPD, CCP.
1375 (output_movhi): Handle AVR_XMEGA when writing to SP.
1376 (avr_out_movhi_mr_r_xmega): New static function.
1377 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1378 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
1379 __RAMPD__, __CCP__ as needed.
1381 * config/avr/multilib.h: Regenerate.
1382 * config/avr/t-multilib: Regenerate.
1383 * config/avr/avr-tables.opt: Regenerate.
1385 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
1387 PR tree-optimization/50561
1388 * graphite-flattening.c (lst_project_loop): Do not
1389 remove old scattering dimensions after flattening.
1390 (lst_do_flatten): Likewise.
1392 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
1394 * doc/extend.texi (AVR Built-in Functions): Remove doc for
1395 __builtin_avr_map8, __builtin_avr_map16.
1396 Document __builtin_avr_insert_bits.
1398 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1399 (insert_bits): New insn.
1400 (adjust_len.map_bits): Rename to insert_bits.
1401 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1402 * avr-protos.h (avr_out_map_bits): Remove.
1403 (avr_out_insert_bits, avr_has_nibble_0xf): New.
1404 * config/avr/constraints.md (Cxf,C0f): New.
1405 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1406 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1407 New built-in define __BUILTIN_AVR_INSERT_BITS.
1408 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1409 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1410 (avr_move_bits): Rewrite.
1411 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1413 (avr_map_op_t): New typedef.
1414 (avr_map_op): New static variable.
1415 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1416 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1417 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1418 (bdesc_3arg, avr_expand_triop_builtin): New.
1419 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1420 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1421 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1422 (avr_map_equal_p, avr_map_sig_p): Remove.
1423 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1424 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1425 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1426 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1427 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1428 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1430 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1432 * config/c6x/c6x.md (reserve_cycles): New attribute.
1433 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1434 don't reserve functional units after the branch occurs.
1436 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
1439 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1440 functions into non-tm_pure functions.
1442 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
1445 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1446 (iterative_hash_canonical_type): Likewise.
1447 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1450 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1452 * haifa-sched.c (prune_ready_list): Ensure that if there is a
1453 sched-group insn, it either remains alone or the entire list is pruned.
1455 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1457 * doc/install.texi (Prerequisites): Fix grammar.
1458 (Configuration): Likewise.
1460 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1462 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1463 MPC as part of GCC before describing configuring with --with-gmp etc.
1464 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1465 sources are present.
1467 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1470 * dwarf2out.c (clone_tree_hash): New function.
1471 (copy_decls_walk): Use it instead of clone_tree.
1473 2012-02-14 Richard Guenther <rguenther@suse.de>
1475 PR tree-optimization/52244
1476 PR tree-optimization/51528
1477 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1478 replacements for integral types.
1480 2012-02-14 Walter Lee <walt@tilera.com>
1482 * config.gcc: Handle tilegx and tilepro.
1483 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1485 Add HAVE_AS_TLS check for tilegx and tilepro.
1486 * configure: Regenerate.
1487 * doc/contrib.texi: Add Mat Hostetter and self.
1488 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1489 Document instruction intrinsics and network accessing intrinsics.
1490 (TILEPro Built-in Functions): New node. Document instruction
1491 intrinsics and network accessing intrinsics.
1492 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1493 (Specific, tilepro-*-linux*): Likewise.
1494 * doc/invoke.texi (TILE-Gx Options): New section.
1495 (TILEPro Options): New section.
1496 * doc/md.texi (TILE-Gx): New section.
1497 (TILEPro): New section.
1498 * common/config/tilegx/tilegx-common.c: New file.
1499 * common/config/tilepro/tilepro-common.c: New file.
1500 * config/tilegx/constraints.md: New file.
1501 * config/tilegx/linux.h: New file.
1502 * config/tilegx/mul-tables.c: New file.
1503 * config/tilegx/predicates.md: New file.
1504 * config/tilegx/sync.md: New file.
1505 * config/tilegx/t-tilegx: New file.
1506 * config/tilegx/tilegx-builtins.h: New file.
1507 * config/tilegx/tilegx-c.c: New file.
1508 * config/tilegx/tilegx-generic.md: New file.
1509 * config/tilegx/tilegx-modes.def: New file.
1510 * config/tilegx/tilegx-multiply.h: New file.
1511 * config/tilegx/tilegx-protos.h: New file.
1512 * config/tilegx/tilegx.c: New file.
1513 * config/tilegx/tilegx.h: New file.
1514 * config/tilegx/tilegx.md: New file.
1515 * config/tilegx/tilegx.opt: New file.
1516 * config/tilepro/constraints.md: New file.
1517 * config/tilepro/gen-mul-tables.cc: New file.
1518 * config/tilepro/linux.h: New file.
1519 * config/tilepro/mul-tables.c: New file.
1520 * config/tilepro/predicates.md: New file.
1521 * config/tilepro/t-tilepro: New file.
1522 * config/tilepro/tilepro-builtins.h: New file.
1523 * config/tilepro/tilepro-c.c: New file.
1524 * config/tilepro/tilepro-generic.md: New file.
1525 * config/tilepro/tilepro-modes.def: New file.
1526 * config/tilepro/tilepro-multiply.h: New file.
1527 * config/tilepro/tilepro-protos.h: New file.
1528 * config/tilepro/tilepro.c: New file.
1529 * config/tilepro/tilepro.h: New file.
1530 * config/tilepro/tilepro.md: New file.
1531 * config/tilepro/tilepro.opt: New file.
1533 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1535 PR tree-optimization/52210
1536 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1537 vect_model_simple_cost with two entry vect_def_type array instead
1538 of an address of dt.
1540 2012-02-14 Richard Guenther <rguenther@suse.de>
1543 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1544 Do not stream DECL_QUALIFIER.
1545 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1546 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1547 (find_decls_types_r): Do not walk DECL_QUALIFIER.
1549 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1552 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1555 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1558 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1559 * cselib.c (cselib_subst_to_values_from_insn): New function.
1560 * sched-deps.c (add_insn_mem_dependence,
1561 sched_analyze_1, sched_analyze_2): Use it.
1563 2012-02-13 Jan Hubicka <jh@suse.cz>
1566 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1568 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
1570 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1571 (GTM_SELF_SPECS): Define if not already defined.
1572 (driver_self_specs): Add GTM_SELF_SPECS.
1573 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1574 (GTM_SELF_SPECS): Define.
1575 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1576 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1578 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1580 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1583 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1586 * omp-low.c (expand_omp_for): If a static schedule without chunk size
1587 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1589 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
1592 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1594 2012-02-13 Richard Guenther <rguenther@suse.de>
1596 PR translation/52211
1597 * passes.c (enable_disable_pass): Fix typo.
1599 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1602 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1603 XOR for reduce_bit_field if type is unsigned.
1605 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
1607 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1608 disallow changes from SFmode to mode with different size in FP regs.
1610 2012-02-12 Robert Millan <rmh@gnu.org>
1611 Gerald Pfeifer <gerald@pfeifer.com>
1613 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1616 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
1618 PR rtl-optimization/52175
1619 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1620 to frame-related instructions.
1622 2012-02-10 Jason Merrill <jason@redhat.com>
1625 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1626 (demangle_new_symbols): Fill it.
1627 (scan_linker_output): Walk it.
1628 (start_tweaking): Split out from scan_linker_output.
1629 (maybe_tweak): Update sym->chosen.
1630 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1632 2012-02-11 Jakub Jelinek <jakub@redhat.com>
1635 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1637 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
1639 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1640 having the same mode as previous compare.
1642 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
1644 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1645 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1646 (nonlocal_goto_internal): Likewise.
1647 (nonlocal_goto): Emit a use and an indirect jump directly.
1649 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
1652 * doc/extend.texi : Update comments for __atomic_compare_exchange and
1653 __atomic_{is,always}_lock_free.
1655 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
1658 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1659 negative constant address for x32.
1661 2012-02-10 Richard Henderson <rth@redhat.com>
1663 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1664 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1665 for GIMPLE_TRANSACTION. Tidy if's into a switch.
1667 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1668 Ira Rosen <irar@il.ibm.com>
1670 PR tree-optimization/50031
1671 * targhooks.c (default_builtin_vectorization_cost): Handle
1673 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1674 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1675 all types of reduction and pattern statements.
1676 (vect_estimate_min_profitable_iters): Likewise.
1677 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1678 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1679 for explicit realigns.
1680 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1681 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1683 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1684 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1685 vec_perm for VSX and handle vec_promote_demote.
1687 2012-02-10 Jakub Jelinek <jakub@redhat.com>
1690 * builtins.c (fold_builtin_atomic_always_lock_free,
1691 expand_builtin_atomic_always_lock_free,
1692 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1693 Return and/or test boolean_true_node/boolean_false_node instead of
1694 integer_one_node/integer_zero_node.
1696 2012-02-10 Jan Hubicka <jh@suse.cz>
1699 * predict.c (predict_paths_for_bb): Prevent looping.
1700 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1702 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
1704 * config/arm/arm.c (output_move_double): In one case properly
1705 count number of instructions that will be emitted.
1707 2012-02-10 Richard Guenther <rguenther@suse.de>
1709 PR translation/52193
1710 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1712 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
1715 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1717 2012-02-09 Jakub Jelinek <jakub@redhat.com>
1720 * var-tracking.c (emit_note_insn_var_location): If
1721 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1722 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1723 non-NOTE_DURING_CALL_P insn.
1725 2012-02-09 Bin Cheng <bin.cheng@arm.com>
1728 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1730 2012-02-08 Magnus Granberg <zorry@gentoo.org>
1733 * gcc.c (switch_matches) Support switches with separated form,
1736 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
1738 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1740 (RAMPZ_ADDR): Ditto.
1741 * config/avr/avr.c (avr_addr_t): New typedef.
1742 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1743 (avr_init_expanders): Initialize it.
1744 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1746 (expand_epilogue): Ditto.
1747 (avr_print_operand): Ditto.
1748 (avr_file_start): Ditto.
1749 (avr_emit_movmemhi): Ditto.
1751 2012-02-08 Richard Guenther <rguenther@suse.de>
1753 PR tree-optimization/46886
1754 * tree-flow.h (do_while_loop_p): Declare.
1755 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1756 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1758 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
1760 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1761 always succeed for integers larger than a native word.
1763 2012-02-08 Richard Guenther <rguenther@suse.de>
1765 PR rtl-optimization/52170
1766 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1767 properly handle integer vector modes.
1769 2012-02-08 Jakub Jelinek <jakub@redhat.com>
1771 PR gcov-profile/52150
1772 * coverage.c: Include target.h.
1773 (build_var): Call targetm.strip_name_encoding on the assembler name.
1774 Change one _ into . or $ if the target allows it.
1775 * Makefile.in (coverage.o): Depend on $(TARGET_H).
1777 PR rtl-optimization/52139
1778 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1779 is a BARRIER after emit_insn_after_noloc, move BB_END
1780 to the last non-BARRIER insn before it.
1782 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
1785 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1786 (mips_gimplify_va_arg_expr): Call it instead of
1787 std_gimplify_va_arg_expr.
1789 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
1791 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1792 message for -mno-pointers-to-nested-function.
1794 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
1797 * expr.c (get_inner_reference): If there is an offset, add a negative
1798 bit position to it (if any).
1800 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1802 PR rtl-optimization/52060
1803 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1804 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1805 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1806 and/or i0src_copy2 when needed.
1808 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1810 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1811 or LTOPLUGINSONAME if have_c.
1813 * config/freebsd-spec.h: Add comment about what macros can be defined
1815 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1816 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1819 2012-02-07 Richard Guenther <rguenther@suse.de>
1821 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1822 newline in -alias dumps.
1824 2012-02-07 Kai Tietz <ktietz@redhat.com>
1825 Dave Korn <dave.korn.cygwin@gmail.com>
1828 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1829 Take care that typinfo gets dllexport-attribute.
1831 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1834 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1835 if modifier < EXPAND_SUM call force_operand on the result.
1837 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
1839 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1840 adding __forwarder_dst__ prefix if a forwarder_section attribute is
1842 (epiphany_function_type): Replace types for specific interrupts with
1843 EPIPHANY_FUNCTION_INTERRUPT.
1844 (EPIPHANY_INTERRUPT_P): Update.
1845 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1846 New static function.
1847 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1848 <disinterrupt>: Affects type identity.
1849 (epiphany_handle_interrupt_attribute): Handle variable number of
1851 (epiphany_compute_function_type): Update for new
1852 epiphany_function_type definition.
1853 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
1854 handlers with a longcall forwarder.
1855 (epiphany_start_function): Handle multiple interrupt arguments and/or
1856 forwarder_section attribute.
1858 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
1861 2012-02-07 Alan Modra <amodra@gmail.com>
1864 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
1867 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1869 PR tree-optimization/50969
1870 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
1871 use vec_perm rather than vector_stmt.
1872 (vect_model_load_cost): Likewise.
1873 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
1874 vec_perm to be the same as other vector statements.
1875 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
1876 cost of vec_perm for TARGET_VSX.
1878 2012-02-06 Richard Guenther <rguenther@suse.de>
1880 PR tree-optimization/52115
1881 * tree-sra.c (access_has_replacements_p): New function.
1882 (sra_modify_assign): Use it to decide whether a use is uninitialized.
1884 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
1887 * trans-mem.c (expand_call_tm): Add an assertion.
1888 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
1891 2012-02-06 Richard Guenther <rguenther@suse.de>
1893 PR tree-optimization/50955
1894 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
1895 raise cost of expressions that replace an address with an
1896 expression based on a different pointer.
1898 2012-02-06 Jakub Jelinek <jakub@redhat.com>
1901 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
1902 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
1904 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
1907 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
1908 -Weffc++ and specify guidelines come from second edition.
1910 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1912 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
1913 (sibcall_value_multiple_internal, call_split, call_internal_direct)
1914 (call_direct_split, call_value_split, call_value_internal_direct)
1915 (call_value_direct_split, call_value_multiple_split): Use jal and
1916 jal_macro attributes.
1918 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1920 * reload1.c (reload_regs_reach_end_p): Replace with...
1921 (reload_reg_rtx_reaches_end_p): ...this function.
1922 (new_spill_reg_store): Update commentary.
1923 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
1924 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
1925 before setting new_spill_reg_store.
1926 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
1927 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
1928 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
1929 for non-spill reload registers.
1931 2012-02-05 Ira Rosen <irar@il.ibm.com>
1933 PR tree-optimization/52091
1934 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
1935 (vect_is_simple_use_1): Likewise.
1936 * tree-vect-loop.c (vectorizable_reduction): Update calls
1937 to vect_is_simple_use_1 and vect_is_simple_use.
1938 (vectorizable_live_operation): Likewise.
1939 * tree-vect-patterns.c (widened_name_p,
1940 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
1941 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
1942 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
1943 vectorizable_shift,vectorizable_operation, vectorizable_store,
1944 vectorizable_load): Likewise.
1945 (vect_is_simple_cond): Add an argument, pass it to
1946 vect_is_simple_use_1.
1947 (vectorizable_condition): Update calls to vect_is_simple_cond,
1949 (vect_is_simple_use): Add an argument, the statement in which
1950 OPERAND is used. Check that if OPERAND's def stmt is a double
1951 reduction phi node, the use is a phi node too.
1952 (vect_is_simple_use_1): Add an argument, pass it to
1954 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
1955 to vect_is_simple_use.
1957 2012-02-04 Jakub Jelinek <jakub@redhat.com>
1959 PR rtl-optimization/52095
1960 * modulo-sched.c (dump_insn_locator): New function.
1961 (loop_canon_p, sms_schedule): Use it.
1963 PR rtl-optimization/52113
1964 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
1965 even for decomposable shift/zext insns.
1967 2012-02-03 Jakub Jelinek <jakub@redhat.com>
1968 Zdenek Dvorak <ook@ucw.cz>
1970 PR rtl-optimization/52092
1971 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
1972 on get_iv_value result.
1974 2012-02-02 Andrew Pinski <apinski@cavium.com>
1978 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
1980 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1983 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
1985 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
1987 PR rtl-optimization/49800
1988 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
1989 (sched_finish): Call regstat_free_n_sets_and_refs.
1991 2012-02-02 Jia Liu <proljc@gmail.com>
1993 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
1996 2012-02-02 Jan Hubicka <jh@suse.cz>
1997 Tom de Vries <tom@codesourcery.com>
2000 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2001 * varpool.c (varpool_analyze_pending_decls): Likewise.
2003 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2004 Jayant R Sonar <jayant.sonar@kpitcummins.com>
2006 * config.gcc: Add cr16-* support.
2008 * doc/extend.texi: Document cr16 extensions.
2009 * doc/install.texi: Document cr16 install.
2010 * doc/invoke.texi: Document cr16 options.
2011 * doc/md.texi: Document cr16 constraints.
2013 * common/config/cr16/cr16-common.c: New file.
2014 * config/cr16/cr16.c: New file.
2015 * config/cr16/cr16.h: New file.
2016 * config/cr16/cr16.md: New file.
2017 * config/cr16/cr16.opt: New file.
2018 * config/cr16/cr16-protos.h: New file.
2019 * config/cr16/predicates.md: New file.
2020 * config/cr16/constraints.md: New file.
2021 * config/cr16/t-cr16: New file.
2023 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2026 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2027 that operands[2] is either immediate, or q_regs_operand.
2029 PR tree-optimization/52073
2030 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2031 a pattern stmt for pattern uses, ignore uses outside of the loop.
2033 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2035 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2036 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2037 (OUT_AS1, OUT_AS2): Remove.
2039 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2041 PR rtl-optimization/51374
2042 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2043 to cross other volatile_refs_p insns.
2045 2012-02-01 Richard Guenther <rguenther@suse.de>
2047 * doc/invoke.texi (fno-inline): Clarify documentation.
2048 (finline-small-functions): Likewise.
2049 (finline-functions): Likewise.
2050 * common.opt (finline): Adjust comment and documentation.
2051 (finline-small-functions): Clarify documentation.
2052 (finline-functions): Likewise.
2053 (finline-functions-called-once): Likewise.
2055 2012-02-01 Tristan Gingold <gingold@adacore.com>
2057 * c-typeck.c (composite_type): Keep mode for pointers.
2059 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
2061 * function.h (regno_reg_rtx): Adjust comment.
2062 * reginfo.c (init_reg_modes_target): Only use the previous mode
2063 if it fits within one register. Remove MIPS comment.
2065 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2068 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2070 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2072 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2073 to srak instruction.
2075 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2077 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2079 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2084 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2086 2012-01-31 Richard Guenther <rguenther@suse.de>
2088 PR tree-optimization/51528
2089 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2092 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2097 * ree.c (add_removable_extension): Change def_map argument
2098 to unsigned *, store in def_map 1 + offset into *insn_list vector
2099 instead of pointers into the vector.
2100 (find_removable_extensions): Adjust caller.
2102 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2104 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2105 Transform all "* quoted-c-code" to { c-code }.
2106 Remove redundant test for "optimize" in combine patterns.
2107 Move (include "avr-dimode.md") to end of file.
2109 2012-01-30 Bin Cheng <bin.cheng@arm.com>
2112 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2113 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2115 2012-01-30 Richard Guenther <rguenther@suse.de>
2117 PR tree-optimization/52028
2118 * tree-loop-distribution.c (ldist_gen): Properly update
2121 2012-01-30 Jakub Jelinek <jakub@redhat.com>
2124 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2125 set_cur_line_info_table if not emitting debug info.
2127 PR tree-optimization/52046
2128 * tree-vect-patterns.c (check_bool_pattern): Give up if
2129 a comparison could throw.
2132 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2134 2012-01-30 Richard Guenther <rguenther@suse.de>
2136 PR tree-optimization/52045
2137 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2138 SSA form if cfgcleanup did anything.
2140 2012-01-30 Richard Guenther <rguenther@suse.de>
2142 PR tree-optimization/52045
2143 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2144 before computing final todo.
2146 2012-01-30 Richard Guenther <rguenther@suse.de>
2148 PR tree-optimization/51528
2149 * tree-sra.c (sra_modify_assign): Re-factor in preparation
2152 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
2154 * df-problems.c (df_kill_notes): Check that the use refers
2155 to the note under examination.
2157 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
2160 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2161 parameter and use short-lived pseudos.
2162 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2163 (sparc_expand_vector_init): Const-ify local variables and adjust
2164 calls to above functions.
2166 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2168 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2170 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
2172 * doc/invoke.texi: Make usage of "compile time" and
2173 "run time"/"runtime" consistent throughout the file.
2175 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
2177 * config/alpha/alpha.c (alpha_option_override): Default to
2178 full IEEE compliance mode for Go language.
2180 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
2182 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2183 (LINK_SSP_SPEC): Define.
2185 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2188 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2191 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
2193 * doc/invoke.texi: Correct hyphenation of "floating point",
2194 "double precision", and related terminology throughout the file.
2196 2012-01-28 Jakub Jelinek <jakub@redhat.com>
2199 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2200 arm_general_register_operand predicate for operand 2 instead of
2203 2012-01-27 Ian Lance Taylor <iant@google.com>
2206 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2207 * builtins.c (expand_builtin_init_trampoline): Add onstack
2208 parameter. Change caller.
2209 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2210 * tree.c (build_common_builtin_nodes): Declare
2211 __builtin_init_heap_trampoline.
2213 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
2215 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2216 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2217 * config/avr/avr.c: Ditto.
2218 (avr_regnames): Remove because unused.
2219 * config/avr/avr.md (*cpse.ne): New peephole.
2220 (*cpse.eq): New peephole from former cpse peepholes.
2222 2012-01-27 Michael Eager <eager@eagercon.com>
2224 * config/microblaze.c (microblaze_emit_compare): Correct
2225 test after pcmp instruction.
2227 2012-01-27 Richard Guenther <rguenther@suse.de>
2229 PR tree-optimization/52020
2230 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2232 2012-01-27 Richard Guenther <rguenther@suse.de>
2234 * ipa-pure-const.c (check_stmt): Clobbers do not make a
2235 function non-const/pure.
2237 2012-01-27 Richard Guenther <rguenther@suse.de>
2239 PR tree-optimization/50444
2240 * tree-sra.c (build_ref_for_offset): Properly adjust the
2241 MEM_REF type for unaligned accesses.
2243 2012-01-27 Richard Guenther <rguenther@suse.de>
2245 PR tree-optimization/50444
2246 * expr.c (mem_ref_refers_to_non_mem_p): New function.
2247 (expand_assignment): Use it. Properly handle misaligned
2248 bases when expanding stores to component references.
2249 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2252 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
2255 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2256 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2257 * tree-data-ref.c (find_data_references_in_loop): Make static.
2258 (compute_all_dependences): Change return type to bool. Bail out
2259 for too many datarefs in a loop. Move the hunk resetting the data
2260 dependences vector from ...
2261 (compute_data_dependences_for_loop): ... here. Account for
2262 compute_all_dependences returning false.
2263 (compute_data_dependences_for_bb): Likewise.
2264 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2265 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2267 2012-01-27 Richard Guenther <rguenther@suse.de>
2270 * expr.c (store_field): Use the alias-set of the scratch memory
2273 2012-01-27 Tom de Vries <tom@codesourcery.com>
2275 PR tree-optimization/51990
2276 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2278 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2280 2012-01-27 Jakub Jelinek <jakub@redhat.com>
2283 * var-tracking.c (reverse_op): Don't add any reverse operation
2284 if V already has any constant locations.
2286 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2288 * doc/invoke.texi: Correct usage of "command line" (noun)
2289 vs "command-line" (adjective) throughout.
2291 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2293 * doc/invoke.texi (Language Independent Options): Move
2294 -Wcoverage-mismatch blurb from here....
2295 (Warning Options): ...to here.
2297 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
2299 * config/rs6000/rs6000.c (rs6000_option_override_internal):
2300 Set rs6000_always_hint to false for 476.
2302 2012-01-27 Matthias Klose <doko@ubuntu.com>
2304 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2306 * incpath.c (add_standard_paths): Likewise.
2308 2012-01-27 Richard Henderson <rth@redhat.com>
2310 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2311 * config/m68k/sync.md (atomic_test_and_set): Rename from
2312 sync_test_and_setqi and adjust the operands.
2313 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2314 and unconditionally enable.
2316 2012-01-27 Richard Henderson <rth@redhat.com>
2318 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2319 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2320 (ldstub): Rename from ldstubqi.
2321 (ldstub<I24MODE>): Remove.
2323 2012-01-27 Richard Henderson <rth@redhat.com>
2325 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2326 * c-cppbuiltin.c (cpp_atomic_builtins): Define
2327 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2328 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2329 * doc/tm.texi: Rebuild.
2331 2012-01-27 Richard Henderson <rth@redhat.com>
2333 * optabs.c (gen_atomic_test_and_set): Remove default.
2334 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2336 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2338 PR rtl-optimization/51978
2339 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2340 (combine_reaching_defs): Likewise.
2341 (struct re_info): Remove.
2342 (add_removable_extension): Remove x and data arguments,
2343 add insn, insn_list and def_map. Use the arguments directly
2344 instead of using struct re_info.
2345 (find_removable_extensions): Don't call add_removable_extension
2346 through note_stores, instead just call it with single_set
2348 (find_and_remove_re): Pass curr_cand->expr instead of
2349 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2351 2012-01-26 Michael Matz <matz@suse.de>
2353 PR tree-optimization/46590
2354 * cfgexpand.c: Revert last change (r183305).
2355 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2357 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2358 checking for emptiness.
2360 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2363 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2364 non-addressable non-BLKmode base correctly.
2366 2012-01-26 Michael Matz <matz@suse.de>
2368 PR tree-optimization/48794
2369 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2370 regions referenced from RESX/EH_DISPATCH.
2372 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2374 * config/s390/s390.h: Make BRANCH_COST an option.
2375 * config/s390/s390.opt: New option -mbranch-cost.
2377 2012-01-26 Richard Henderson <rth@redhat.com>
2379 Revert 2012-01-24 change:
2380 * trans-mem.c (requires_barrier): Do not instrument thread local
2381 variables and emit save/restore for them.
2383 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2386 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2389 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
2391 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2394 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
2397 Rename __pgm to __flash.
2398 Rename __pgm1 to __flash1.
2399 Rename __pgm2 to __flash2.
2400 Rename __pgm3 to __flash3.
2401 Rename __pgm4 to __flash4.
2402 Rename __pgm5 to __flash5.
2403 Rename __pgmx to __memx.
2404 * doc/extend.texi (AVR Named Address Spaces)
2405 Rename address space names as indicated above.
2406 * config/avr/avr.c (avr_addrspace): Ditto.
2408 * config/avr/avr-protos.h
2409 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2410 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2411 * config/avr/predicates.md: Ditto.
2412 * config/avr/avr.c Ditto, and
2413 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2414 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2416 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2417 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2418 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2419 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2420 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2421 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2422 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2423 * config/avr/avr.c: Ditto.
2424 * config/avr/avr.md: Ditto.
2426 2012-01-25 Jason Merrill <jason@redhat.com>
2429 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2431 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2433 PR tree-optimization/51987
2434 * tree-data-ref.c (get_references_in_stmt): Handle references in
2435 non-volatile GIMPLE_ASM.
2437 2012-01-25 Richard Guenther <rguenther@suse.de>
2439 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2440 bases are dereferenced.
2442 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2444 PR rtl-optimization/48374
2445 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2447 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2449 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2450 compute_data_dependences_for_loop returns false.
2451 * tree-parloops.c (loop_parallel_p): Likewise.
2453 2012-01-25 Richard Guenther <rguenther@suse.de>
2455 * tree.h (get_pointer_alignment_1): Declare.
2456 * builtins.c (get_pointer_alignment_1): New function.
2457 (get_pointer_alignment): Use it.
2459 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2461 PR rtl-optimization/48308
2462 * combine.c (enum undo_kind): Add UNDO_LINKS.
2463 (struct undo): Add member l to other_contents and where.
2464 (do_SUBST_LINK): New.
2466 (try_combine): Handle LOG_LINKS for the dummy i1 case.
2467 (undo_all): Handle UNDO_LINKS.
2469 2012-01-25 Richard Henderson <rth@redhat.com>
2471 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2474 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2476 * optabs.c (gen_atomic_test_and_set): Use each argument.
2478 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2480 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2481 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2482 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2483 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2484 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2485 TARGET_PAIRED_SINGLE_FLOAT.
2487 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2489 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2490 (in_struct, return_val): Remove MEM documentation.
2491 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2492 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2493 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2495 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2496 * cfgexpand.c (add_alias_set_conflicts): Likewise.
2497 * expr.c (store_field): Likewise.
2498 * function.c (assign_stack_temp_for_type): Likewise.
2499 * ifcvt.c (noce_try_cmove_arith): Likewise.
2500 * reload1.c (reload): Likewise.
2501 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2502 (alpha_set_memflags): Likewise.
2503 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2505 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2507 * rtl.h (true_dependence, canon_true_dependence): Remove varies
2509 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2510 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2511 (true_dependence_1, true_dependence, canon_true_dependence): Remove
2513 * cselib.c (cselib_rtx_varies_p): Delete.
2514 (cselib_invalidate_mem): Update call to canon_true_dependence.
2515 * dse.c (record_store, check_mem_read_rtx): Likewise.
2516 (scan_reads_nospill): Likewise.
2517 * cse.c (check_dependence): Likewise.
2518 (cse_rtx_varies_p): Delete.
2519 * expr.c (safe_from_p): Update call to true_dependence.
2520 * ira.c (validate_equiv_mem_from_store): Likewise.
2521 (memref_referenced_p): Likewise.
2522 * postreload-gcse.c (find_mem_conflicts): Likewise.
2523 * sched-deps.c (sched_analyze_2): Likewise.
2524 * store-motion.c (load_kills_store): Likewise.
2525 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2526 * gcse.c (mems_conflict_for_gcse_p): Likewise.
2527 (compute_transp): Update call to canon_true_dependence.
2529 2012-01-25 Richard Henderson <rth@redhat.com>
2531 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2532 (maybe_emit_atomic_test_and_set): New.
2533 (expand_sync_lock_test_and_set): Use it.
2534 (expand_atomic_test_and_set): Likewise.
2535 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2536 the implementation; clarify implementation defined details.
2537 * doc/md.texi (atomic_test_and_set): Document.
2539 2012-01-25 Richard Henderson <rth@redhat.com>
2541 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2543 2012-01-25 Richard Henderson <rth@redhat.com>
2546 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2547 to effect no-op split.
2549 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2552 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2553 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2554 (BT_FN_VOID_PTR_INT_SIZE): New.
2555 (BT_FN_UINT_UINT_VAR): Remove.
2556 (BT_FN_UINT32_UINT32_VAR): New.
2557 (BT_FN_DOUBLE_VPTR): Remove.
2558 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2560 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2561 (_ITM_changeTransactionMode): Same.
2562 (_ITM_memmoveRtWt): Change return type to void.
2563 (_ITM_memcpyRtWt): Same.
2564 (_ITM_memsetW): Same.
2565 (_ITM_RaRD): Change types to double.
2570 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2572 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2573 Patrick Marlier <patrick.marlier@gmail.com>
2575 * trans-mem.c (requires_barrier): Do not instrument thread local
2576 variables and emit save/restore for them.
2578 2012-01-24 Jason Merrill <jason@redhat.com>
2581 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2582 output static aliases.
2584 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2587 * common.opt (-pie, -shared, pie, shared): Change from Common to
2589 * gcc.c (display_help): Display help for -pie and -shared.
2591 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
2594 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2595 Remove note on size/offset limitation.
2596 (AVR Variable Attributes): Add example how to read data located
2597 with progmem. Refer to named address spaces.
2598 * doc/invoke.texi (AVR Options): Fix typo.
2600 2012-01-24 Richard Guenther <rguenther@suse.de>
2602 Forward-port to trunk
2603 2010-09-21 Jakub Jelinek <jakub@redhat.com>
2606 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2607 op0 isn't sufficiently aligned and there is movmisalignM
2608 insn for mode, use it to load op0 into a temporary register.
2610 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2613 * target.def (const_not_ok_for_debug_p): New hook.
2614 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2616 * doc/tm.texi: Regenerated.
2617 * dwarf2out.c (const_ok_for_output_1): If
2618 targetm.const_not_ok_for_debug_p returns true, fail.
2619 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2621 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2623 2012-01-23 Kai Tietz <ktietz@redhat.com>
2626 * config/i386/predicates.md (symbolic_operand): Allow
2627 UNSPEC_PCREL as PIC expression for lea.
2628 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2629 * config/i386/i386.c (ix86_delegitimize_address): Handle
2630 UNSPEC_PCREL for none-MEM, too.
2632 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2634 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2635 (ipa_tm_create_version_alias): Same.
2637 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
2640 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2641 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2643 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2644 Patrick Marlier <patrick.marlier@gmail.com>
2645 Iain Sandoe <developer@sandoe-acoustics.co.uk>
2648 * lto-wrapper.c (run_gcc): Pass the LTO section name to
2649 simple_object_start_read.
2651 2012-01-23 Richard Guenther <rguenther@suse.de>
2654 PR tree-optimization/51895
2655 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2656 parameter decomposition into BLKmode components.
2658 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
2660 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2661 fake variables for restrict-qualified pointers whose pointed-to type
2662 contains a placeholder.
2664 2012-01-23 Richard Guenther <rguenther@suse.de>
2666 PR tree-optimization/51949
2667 * ipa-split.c (execute_split_functions): Do not split malloc functions.
2669 2012-01-23 Jakub Jelinek <jakub@redhat.com>
2671 PR rtl-optimization/51933
2672 * ree.c (transform_ifelse): Return true right away if dstreg is
2673 already wider or equal to cand->mode.
2674 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2675 (make_defs_and_copies_lists): Remove defs_list and copies_list
2676 arguments, add state argument, just truncate state->work_list
2677 instead of always allocating and freeing the vector. Assert that
2678 get_defs succeeds instead of returning 2. Changed return type to bool.
2679 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
2680 have ext_src_mode, see if it has been modified already with the
2681 right kind of extension and has been extended before from the
2682 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
2683 just return true. Remember the original mode in state->modified array.
2684 (combine_reaching_defs): Add state argument. Don't allocate and
2685 free here def_list, copied_list and vec vectors, instead just
2686 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
2687 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2688 Add state variable, clear vectors in it, initialize state.modified
2689 if needed. Free all the vectors at the end and state.modified too.
2690 Don't skip a candidate if the extension expression has been modified.
2692 2012-01-22 Douglas B Rupp <rupp@gnat.com>
2695 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2696 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2697 (extra_options) interix.opt -> i386/interix.opt"
2698 (extra_objs):Add winnt-stubs.o
2699 * configure.ac: Add interix to target_os .comm on PE check.
2700 * configure: Regenerate.
2701 * config/interix3.h: Delete and move bits to..
2702 * config/interix.h: Delete and move bits to..
2703 * config/i386/i386-interix3.h: Delete and move bits to..
2704 * config/i386/i386-interix.h: ..here.
2705 (TARGET_CPU_DEFAULT): Remove redefinition.
2706 (TARGET_ASM_CONSTRUCTOR): Undefine.
2707 (SUBTARGET_SWITCHES): Define for ms-bitfields.
2708 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2709 (PTRDIFF_TYPE): Define.
2710 (LONG_DOUBLE_TYPE_SIZE): Define.
2711 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2712 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2713 (TARGET_SECTION_TYPE_FLAGS): Define.
2714 (ASM_DECLARE_FUNCTION_NAME): Define.
2715 (ASM_OUTPUT_EXTERNAL): Define.
2716 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2717 (ASM_OUTPUT_ALIGNED_BSS): Define.
2718 (PCC_BITFIELD_TYPE_MATTERS): Define.
2719 (USE_CONST_SECTION): Define.
2720 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2721 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2722 (SUPPORTS_ONE_ONLY): Remove.
2723 (I386_PE_STRIP_ENCODING): Define.
2724 * config/interix.opt: Delete and move bits to..
2725 * config/i386/interix.opt: ..here. New.
2726 (mpe-aligned-commons): Add.
2727 * config/i386/t-interix: Add copyright header.
2728 (winnt-stubs.o): Add rule.
2730 2012-01-22 Jason Merrill <jason@redhat.com>
2733 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2734 for extra name aliases.
2736 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
2738 PR rtl-optimization/51924
2739 * ree.c (combine_set_extension): Improve debugging message.
2740 (combine_reaching_defs): Likewise.
2741 (get_defs): Rename confusingly named variable.
2742 (find_and_remove_re): Skip a candidate if the extension expression has
2745 2012-01-21 Robert Millan <rmh@gnu.org>
2746 Gerald Pfeifer <gerald@pfeifer.com>
2748 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2749 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2751 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2753 PR tree-optimization/51914
2754 * tree-vect-stmts.c (vectorizable_conversion): For
2755 cvt_type && modifier == WIDEN, put temporary with cvt_type
2756 at the beginning of vec_dsts and set vec_dest to temporary
2759 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
2761 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2763 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
2765 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2766 * config/rs6000/rs6000.c: Likewise.
2768 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2771 * config/arm/arm.c (arm_count_output_move_double_insns): Call
2772 output_move_double on a copy of operands array.
2774 2012-01-20 Cary Coutant <ccoutant@google.com>
2775 Dodji Seketeli <dodji@redhat.com>
2778 * dwarf2out.c (copy_declaration_context): Return ref to parent
2779 of declaration DIE, if necessary.
2780 (remove_child_or_replace_with_skeleton): Add new parameter; update
2781 caller. Place skeleton DIE under parent DIE of original declaration.
2782 Move call to copy_declaration_context to here ...
2783 (break_out_comdat_types): ... from here.
2785 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2787 PR rtl-optimization/51856
2788 * reload.c (find_reloads_subreg_address): Set the address_reloaded
2791 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2794 * config/arm/arm.c (arm_print_operand): Correct output of alignment
2795 hints for neon loads and stores.
2797 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
2801 * doc/extend.texi (Named Address Spaces): Split into subsections.
2802 (AVR Named Address Spaces): New subsection.
2803 (M32C Named Address Spaces): New subsection.
2804 (RL78 Named Address Spaces): New subsection.
2805 (SPU Named Address Spaces): New subsection.
2806 (Variable Attributes): New anchor "AVR Variable Attributes".
2807 (AVR Variable Attributes): Rewrite and avoid wording
2808 "address space" in this context.
2809 * doc/invoke.texi (AVR Options): Rewrite and add documentation
2810 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2811 (AVR Built-in Macros): New subsubsection therein.
2812 * doc/md.texi (AVR constraints): Remove "C04", "R".
2814 2012-01-20 Richard Guenther <rguenther@suse.de>
2816 PR tree-optimization/51903
2817 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2818 when removing stmts.
2820 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2823 * config/arm/arm.c (arm_load_pic_register): Use
2824 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2825 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2826 (arm_pic_static_addr): Likewise.
2827 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2828 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2829 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2830 (pic_load_addr_unified): New.
2832 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
2835 * function.c (instantiate_virtual_regs_in_insn): Use
2836 delete_insn_and_edges when removing a wrong asm insn.
2838 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
2840 PR rtl-optimization/40761
2841 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2842 Add new member loop_num.
2843 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2844 (ira_build): Remove the parameter.
2846 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2847 (ira.c): Do not build CFG loops for one region allocation. Remove
2848 argument from ira_build call.
2850 * ira-build.c (init_loop_tree_node): New function.
2851 (create_loop_tree_nodes): Use it. Separate the case when CFG
2852 loops are not built.
2853 (more_one_region_p): Check current_loops.
2854 (finish_loop_tree_nodes): Separate the case when CFG loops are not
2856 (add_loop_to_tree): Process loop equal to NULL too.
2857 (form_loop_tree): Separate the case when CFG loops are not built.
2858 Use explicitly number for the root.
2859 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
2861 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
2862 instead of loop->num.
2863 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
2864 (mark_all_loops_for_removal): Ditto.
2865 (remove_unnecessary_regions): Separate the case when CFG loops
2867 (ira_build): Remove the parameter. Use explicit number of regions
2868 when CFG loops are not built.
2870 * ira-color.c (print_loop_title): Separate the case for the root node.
2871 Use loop_num instead of loop->num.
2872 (move_spill_restore): Use loop_num instead of loop->num.
2874 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
2875 (change_loop): Ditto.
2876 (change_loop): Use loop_num instead of loop->num.
2878 * ira-lives.c (process_bb_node_lives): Ditto.
2880 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
2882 * ira-conflicts.c (print_allocno_conflicts): Ditto.
2884 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2887 * tree-mudflap.c (mf_artificial): New function.
2888 (execute_mudflap_function_ops, execute_mudflap_function_decls,
2889 mx_register_decls, mudflap_enqueue_decl): Use it.
2892 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
2893 numbers in the insn pattern.
2895 2012-01-19 Michael Matz <matz@suse.de>
2897 PR tree-optimization/46590
2898 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
2899 use it in remembering which conflicts we already created.
2900 (add_scope_conflicts): Adjust call to above, (de)allocate helper
2903 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
2906 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
2907 (merge_and_complain): Same.
2909 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2912 * config/initfini-array.h: Guard content of the header
2913 with #ifdef HAVE_INITFINI_ARRAY.
2914 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
2915 Add initfini-array.h to tm_file here.
2916 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
2917 * config.gcc: Don't add initfini-array.h to tm_file here.
2918 * configure: Regenerated.
2920 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
2922 PR rtl-optimization/51505
2923 * df-problems.c (df_kill_notes): New parameter live. Update comment.
2924 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
2925 (df_note_bb_compute): Update the call to df_kill_notes.
2927 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
2929 * trans-mem.c (requires_barrier): Remove call to is_global_var.
2931 2012-01-18 Richard Guenther <rguenther@suse.de>
2933 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
2934 of conversions to void *.
2936 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2937 Richard Sandiford <rdsandiford@googlemail.com>
2941 * optabs.h (simplify_expand_binop): Declare.
2942 * optabs.c (simplify_expand_binop): Make global.
2943 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
2944 endian targets if the source cannot be exactly covered by word
2947 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2950 * hard-reg-set.h (struct hard_reg_set_container): New type.
2951 * target.h (struct hard_reg_set_container): Forward declare.
2952 * target.def (set_up_by_prologue): New target hook.
2953 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
2954 * doc/tm.texi: Regenerated.
2955 * function.c (thread_prologue_and_epilogue_insns): Change
2956 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
2957 Call targetm.set_up_by_prologue on it.
2958 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
2959 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
2961 2012-01-17 Nick Clifton <nickc@redhat.com>
2963 * config/rx/rx.c (rx_can_use_simple_return): New function.
2964 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
2965 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
2967 2012-01-17 Richard Guenther <rguenther@suse.de>
2970 * expr.c (expand_assignment): Take address-space information
2971 from the address operand of MEM_REF and TARGET_MEM_REF.
2972 (expand_expr_real_1): Likewise.
2974 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2976 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
2977 reload dump is requested.
2979 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
2982 * trans-mem.c (requires_barrier): Call may_be_aliased.
2984 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2986 PR tree-optimization/51877
2987 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
2988 call arguments and fndecls compare equal, instead return false if they
2989 don't. Return true only if lhs1 and lhs2 are either both NULL, or
2990 both SSA_NAMEs that are valueized the same, or they satisfy
2993 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2995 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
2997 * configure: Regenerate.
2999 2012-01-16 Jan Hubicka <jh@suse.cz>
3003 * convert.c (convert_to_integer): Use fold_convert for
3004 converting an INTEGER_CST to integer type.
3006 2012-01-16 Jason Merrill <jason@redhat.com>
3009 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3011 2012-01-16 Jakub Jelinek <jakub@redhat.com>
3014 * config/s390/s390.c (s390_chunkify_start): Don't skip
3015 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
3016 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3017 If insn is followed by NOTE_INSN_VAR_LOCATION or
3018 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3019 Don't use location of note insns.
3021 PR tree-optimization/51865
3022 * tree-inline.c (tree_function_versioning): Call remap_decl
3023 on DECL_RESULT whenever it has VOID_TYPE_P type.
3025 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
3027 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3028 for calls to locally-binding MIPS16 functions if only the return
3029 type uses float regs.
3031 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
3032 Richard Sandiford <rdsandiford@googlemail.com>
3034 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3035 (SYMBOL_32_HIGH): Likewise.
3036 (mips_output_tls_reloc_directive): Declare.
3037 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3038 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3039 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3040 (mips_lo_relocs, mips_hi_relocs): Make extern.
3041 (mips16_stub_function): Move up file.
3042 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3043 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
3044 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
3045 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3046 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
3047 (mips_get_tp): Add MIPS16 support.
3048 (mips_legitimize_tls_address): Remove MIPS16 sorry().
3049 Generalize DTPREL and TPREL handling.
3050 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3051 Add MIPS16 TLS support.
3052 (mips_output_tls_reloc_directive): New function.
3053 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3054 * config/mips/predicates.md (symbolic_operand_with_high)
3055 (tls_reloc_operand): New predicates.
3056 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3057 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3058 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3059 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
3060 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3061 (*tls_get_tp_mips16_call_<mode>): Likewise.
3063 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
3065 PR rtl-optimization/51821
3066 * recog.c (peep2_find_free_register): Determine clobbered registers
3069 2012-01-14 Denis Chertykov <chertykov@gmail.com>
3072 * config/avr/avr-protos.h: Revert change of 2012-01-09.
3073 * config/avr/avr.c: Likewise.
3074 * config/avr/avr.h: Likewise.
3076 2012-01-13 Ian Lance Taylor <iant@google.com>
3079 * tree.h (TYPE_QUALS): Add cast to int.
3080 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3082 2012-01-13 Ian Lance Taylor <iant@google.com>
3084 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3085 comparing param_index to VEC_length result.
3087 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
3089 * c-decl.c: Do not include tree-mudflap.h
3090 * tree-optimize.c: Likewise.
3091 * Makefile.in: Update dependencies.
3093 2012-01-13 Richard Guenther <rguenther@suse.de>
3096 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3097 variable-sized result always use RSO.
3099 2012-01-12 DJ Delorie <dj@redhat.com>
3101 * cfgexpand.c (convert_debug_memory_address): Allow any valid
3102 pointer type, not just the default pointer type.
3104 2012-01-09 Richard Henderson <rth@redhat.com>
3105 Denis Chertykov <chertykov@gmail.com>
3108 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3109 * config/avr/avr.c (avr_can_eliminate): Simplify.
3110 (avr_initial_elimination_offset): Likewise.
3111 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3112 (expand_epilogue): Likewise.
3113 (avr_legitimize_address): Gut.
3114 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3115 (avr_hard_regno_nregs): New.
3116 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3117 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3118 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3119 add soft frame pointer.
3120 (CALL_USED_REGISTERS): Likewise.
3121 (REG_CLASS_CONTENTS): Likewise.
3122 (REGISTER_NAMES): Likewise.
3123 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3124 (HARD_FRAME_POINTER_REGNUM): New.
3125 (FRAME_POINTER_REGNUM): Use soft frame pointer.
3126 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3127 remove the HARD_FRAME_POINTER self-elimination.
3129 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
3132 * config/avr/avr.c (avr_encode_section_info): Test for absence of
3133 DECL_EXTERNAL when checking for initializers of progmem variables.
3135 2012-01-12 Ira Rosen <irar@il.ibm.com>
3137 PR tree-optimization/51799
3138 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3139 that the last operation is a type demotion.
3141 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
3143 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3144 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3146 2012-01-11 Jakub Jelinek <jakub@redhat.com>
3149 * combine.c (distribute_notes): If i3 is a noreturn call,
3150 allow old_size to be equal to args_size and make sure the
3151 noreturn call gets REG_ARGS_SIZE note.
3152 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3153 on noreturn calls even when the delta is 0.
3155 2012-01-11 Nathan Sidwell <nathan@acm.org>
3157 * gcov.c (STRING_SIZE): Remove.
3158 (generate_results): Erase annotations for source files with no
3159 coverage information.
3161 (output_lines): Use it.
3163 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3165 * gimple.h (gimplify_body): Remove first argument.
3166 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
3167 pointer set here, instead just pass DATA to walk_tree.
3168 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
3169 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3170 (unvisit_body): Likewise, but with unmark_visited.
3171 (gimplify_body): Remove BODY_P argument and adjust.
3172 (gimplify_function_tree): Adjust call to gimplify_body.
3173 * omp-low.c (finalize_task_copyfn): Likewise.
3175 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3177 * tree.h (build_function_decl_skip_args): Add boolean parameter.
3178 (build_function_type_skip_args): Delete.
3179 * tree.c (build_function_type_skip_args): Make static and add
3180 SKIP_RETURN parameter. Fix thinko in the handling of variants.
3181 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3182 pass it to build_function_type_skip_args.
3183 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3184 (tree_function_versioning): Likewise.
3185 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3186 build_function_decl_skip_args.
3187 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3188 and pass it to build_function_decl_skip_args/tree_function_versioning.
3189 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3190 * ipa-inline-transform.c (save_inline_function_body): Likewise.
3191 * trans-mem.c (ipa_tm_create_version): Likewise.
3192 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3193 * tree-inline.c (declare_return_variable): Remove always-true test.
3194 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
3195 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3196 * ipa-split.c (split_function): Skip the return value for the split
3197 part if it doesn't return.
3199 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3201 PR tree-optimization/49642
3202 * ipa-split.c (forbidden_dominators): New variable.
3203 (check_forbidden_calls): New function.
3204 (dominated_by_forbidden): Likewise.
3205 (consider_split): Check for forbidden dominators.
3206 (execute_split_functions): Initialize and free forbidden
3207 dominators info; call check_forbidden_calls.
3209 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3211 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3213 2012-01-11 Nick Clifton <nickc@redhat.com>
3215 * config/rx/rx.md (return): Define pattern.
3217 2012-01-11 Richard Guenther <rguenther@suse.de>
3219 * doc/extend.texi (malloc attribute): Adjust according to
3222 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
3223 Patrick Marlier <patrick.marlier@gmail.com>
3226 * trans-mem.c (get_cg_data): Traverse aliases if requested.
3227 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3228 (ipa_tm_note_irrevocable): Same.
3229 (ipa_tm_scan_irr_block): Same.
3230 (ipa_tm_decrement_clone_counts): Same.
3231 (ipa_tm_scan_irr_function): Same.
3232 (ipa_tm_create_version_alias): Same.
3233 (ipa_tm_create_version): Same.
3234 (ipa_tm_transform_calls_redirect): Same.
3235 (ipa_tm_transform_calls): Same.
3236 (ipa_tm_transform_transaction): Same.
3237 (ipa_tm_execute): Same.
3239 2012-01-10 Richard Guenther <rguenther@suse.de>
3242 * opts.c (common_handle_option): Handle -Werror.
3244 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
3246 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3249 2012-01-10 Jason Merrill <jason@redhat.com>
3251 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3254 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3256 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3257 supports R_386_TLS_GD_PLT reloc.
3258 (gcc_cv_as_ix86_tlsldmplt): Check if linker
3259 supports R_386_TLS_LDM_PLT reloc.
3260 * configure: Regenerate.
3261 * config.in: Regenerate.
3263 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
3266 Extend __pgmx semantics to linearize memory.
3267 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3268 determine if code comes inline or from libgcc.
3269 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3270 (movmem_qi, movmem_qi): Set constraint #2 to "n".
3271 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3272 (movmemx_qi, movmemx_hi): New insns.
3273 (xload_<mode>_libgcc): Rewrite to new insn condition.
3274 (xload_<mode>): Remove insns.
3275 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3276 cases that don't satisfy avr_xload_libgcc_p().
3277 (avr_addr_space_convert): Allow converting in any direction.
3278 (avr_addr_space_subset_p): Return always true.
3279 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3280 (avr_emit_movmemhi): Ditto.
3281 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3282 (avr_out_movmem): Ditto.
3283 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3284 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3285 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3286 (avr_encode_section_info): Encode 'progmem' in symbol flags.
3287 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3289 2012-01-10 Richard Guenther <rguenther@suse.de>
3291 PR tree-optimization/50913
3292 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3293 Require data-refs to be representable by Graphite with respect
3296 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
3298 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3299 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3301 2012-01-10 Tom de Vries <tom@codesourcery.com>
3303 PR rtl-optimization/51271
3304 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3305 handling annulled branch.
3307 2012-01-10 Richard Henderson <rth@redhat.com>
3309 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3310 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3311 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3312 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3313 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3314 arm_expand_vec_perm_const): New.
3315 * config/arm/arm-protos.h: Update.
3316 * config/arm/neon.md (UNSPEC_VCONCAT): New.
3317 (*neon_vswp<VDQX>): New.
3318 (neon_vcombine<VDX>): Use neon_split_vcombine.
3319 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3320 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3321 (vec_perm<VE>): New.
3323 2012-01-10 Richard Henderson <rth@redhat.com>
3325 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3326 use it if reload_completed.
3327 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3328 arm_output_asm_insn, arm_process_output_memory_barrier,
3329 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3330 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3331 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3332 arm_process_output_sync_insn, arm_output_sync_insn,
3333 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3334 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3335 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3336 (emit_unlikely_jump): New.
3337 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3338 (arm_split_atomic_op): New.
3339 * config/arm/arm-protos.h: Update.
3340 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3341 (struct arm_sync_generator): Remove.
3342 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3343 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3344 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3345 (VUNSPEC_LL, VUNSPEC_SC): New.
3346 (sync_result, sync_memory, sync_required_value, sync_new_value,
3347 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3348 (attr length): Don't use arm_sync_loop_insns.
3349 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3350 (movsfcc, movdfcc): Likewise.
3351 * config/arm/constraints.md (Ua): New.
3352 * config/arm/prediates.md (mem_noofs_operand): New.
3353 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3354 (sync_clobber, sync_t2_reqd): Remove.
3355 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3356 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3357 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3358 (arm_sync_compare_and_swap<SIDI>): Remove.
3359 (arm_sync_compare_and_swap<NARROW>): Remove.
3360 (arm_sync_lock_test_and_set<SIDI>): Remove.
3361 (arm_sync_lock_test_and_set<NARROW>): Remove.
3362 (arm_sync_new_<syncop><SIDI>): Remove.
3363 (arm_sync_new_<syncop><NARROW>): Remove.
3364 (arm_sync_new_nand<SIDI>): Remove.
3365 (arm_sync_new_nand<NARROW>): Remove.
3366 (arm_sync_old_<syncop><SIDI>): Remove.
3367 (arm_sync_old_<syncop><NARROW>): Remove.
3368 (arm_sync_old_nand<SIDI>): Remove.
3369 (arm_sync_old_nand<NARROW>): Remove.
3370 (*memory_barrier): Merge arm_output_memory_barrier.
3371 (atomic_compare_and_swap<QHSD>): New.
3372 (atomic_compare_and_swap<NARROW>_1): New.
3373 (atomic_compare_and_swap<SIDI>_1): New.
3374 (atomic_exchange<QHSD>): New.
3375 (cas_cmp_operand, cas_cmp_str): New.
3376 (atomic_op_operand, atomic_op_str): New.
3377 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3378 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3379 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3380 (arm_load_exclusive<NARROW>): New.
3381 (arm_load_exclusivesi, arm_load_exclusivedi): New.
3382 (arm_store_exclusive<QHSD>): New.
3384 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
3386 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3387 reload patterns if -mvsx-scalar-memory.
3389 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3390 generated, even -mno-vsx-scalar-double was used.
3391 (vsx_xscvdpsp_scalar): Likewise.
3392 (vsx_xscvspdp_scalar2): Likewise.
3394 2012-01-09 Tom de Vries <tom@codesourcery.com>
3395 Andrew Pinski <apinski@cavium.com>
3398 * reorg.c (fill_slots_from_thread): Don't speculate
3399 frame-related insns.
3401 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
3403 * sched-int.h (bb_note): Move to...
3404 * basic-block.h: ...here.
3405 * haifa-sched.c (bb_note): Move to...
3406 * cfgrtl.c: ...here.
3407 * function.c (next_block_for_reg): New function.
3408 (move_insn_for_shrink_wrap): Likewise.
3409 (prepare_shrink_wrap): Rewrite to use the above.
3411 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
3413 * gimple.c (is_gimple_non_addressable): Remove.
3414 * gimple.h: Remove is_gimple_non_addressable.
3415 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
3416 is_gimple_non_addressable.
3417 * trans-mem.c (expand_assign_tm): Same.
3419 2012-01-09 Richard Guenther <rguenther@suse.de>
3421 PR tree-optimization/51775
3422 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
3423 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
3425 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3427 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3429 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3431 2012-01-09 Richard Guenther <rguenther@suse.de>
3433 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
3435 2012-01-08 Jan Hubicka <jh@suse.cz>
3437 PR tree-optimize/51680
3438 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
3439 on when known_vals needs to be computed; cleanup.
3441 2012-01-08 Jan Hubicka <jh@suse.cz>
3443 PR tree-optimize/51694
3444 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
3446 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
3448 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
3449 for -std=c++98 and -std=c++11 too.
3451 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
3453 * cfgloop.c (cancel_loop): Add free() of bbs array.
3455 2012-01-07 Jan Hubicka <jh@suse.cz>
3457 PR tree-optimization/51600
3458 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
3459 that benefits small functions.
3461 2012-01-07 Jan Hubicka <jh@suse.cz>
3463 * ipa-inline.c (want_inline_small_function_p): Fix formating.
3465 2012-01-07 Jan Hubicka <jh@suse.cz>
3467 PR tree-optimization/51680
3468 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
3469 whose inlining reduce unit size.
3471 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
3474 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
3475 Add canonical node to containing_mem chain after the non-canonical
3476 one, even if there weren't any locs to propagate.
3477 (remove_useless_values): Keep only canonical values.
3478 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
3479 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
3480 canonicalize mem_chain elements that are not discarded.
3482 2012-01-06 Jakub Jelinek <jakub@redhat.com>
3485 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
3486 before emitting functions.
3488 PR gcov-profile/50127
3489 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
3490 clear_aux_for_blocks.
3492 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
3495 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
3497 2012-01-06 Arnaud Charlet <charlet@adacore.com>
3499 * c-decl.c (ext_block): Moved up.
3500 (collect_all_refs, for_each_global_decl): Take ext_block into account.
3502 2012-01-06 Han Shen <shenhan@google.com>
3504 Translate built-in include paths for sysroot.
3505 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
3506 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
3508 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
3509 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
3511 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
3512 control whether sysroot should be prepended to gxx include dir.
3514 * configure: Regenerate.
3516 2012-01-06 Torvald Riegel <triegel@redhat.com>
3518 PR rtl-optimization/51771
3519 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
3520 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
3522 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3524 PR tree-optimization/51315
3525 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
3526 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
3528 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
3531 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
3532 for shrp pattern. Correctly handle and fixup shift variable.
3533 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
3535 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3538 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
3539 note when !ACCUMULATE_OUTGOING_ARGS.
3541 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3543 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
3545 (extract_range_from_unary_expr_1): Avoid useless computations.
3547 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3549 PR rtl-optimization/51767
3550 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
3551 of jump_block and add an extra edge for degenerated asm gotos.
3554 * stmt.c (check_unique_operand_names): Don't ICE during error
3555 reporting if i is from labels chain.
3558 * profile.c (branch_prob): Split bbs that have exit edge
3559 and need a fake entry edge too.
3561 2012-01-05 Jan Hubicka <jh@suse.cz>
3564 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
3567 2012-01-05 Richard Guenther <rguenther@suse.de>
3570 * tree-streamer-out.c (write_ts_optimization): New function.
3571 (streamer_write_tree_body): Call it.
3572 * tree-streamer-in.c (lto_input_ts_optimization): New function.
3573 (streamer_read_tree_body): Call it.
3574 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
3576 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3579 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
3580 * gimplify.c (gimplify_cleanup_point_expr): Save and set
3581 in_cleanup_point_expr before gimplify_stmt call and restore it
3583 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
3584 in_cleanup_point_expr is false.
3586 2012-01-05 Richard Guenther <rguenther@suse.de>
3589 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
3591 * toplev.c (process_options): Reject combining mudflap and LTO.
3592 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
3594 2012-01-05 Richard Guenther <rguenther@suse.de>
3596 PR tree-optimization/51760
3597 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
3599 (bit_value_unop): Handle UNDEFINED operands.
3600 (bit_value_binop): Likewise.
3602 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
3604 * config/avr/avr.c (avr_replace_prefix): Remove.
3605 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
3606 (avr_asm_function_rodata_section): Ditto.
3607 (avr_asm_select_section): Ditto.
3609 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
3611 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
3614 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3617 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
3618 calls that have any non-fake successor edges.
3621 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
3623 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
3625 PR tree-optimization/51624
3626 * tree-sra.c (build_ref_for_model): When replicating a chain of
3627 COMPONENT_REFs, stop as soon as the offset would become negative.
3629 2012-01-04 Jakub Jelinek <jakub@redhat.com>
3632 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
3633 in .debug_loc on the floor.
3635 2012-01-04 Andrew Pinski <apinski@cavium.com>
3637 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
3639 2012-01-04 Andrew Pinski <apinski@cavium.com>
3640 Adam Nemet <anemet@caviumnetworks.com>
3642 * config/mips/mips.md (size): Add SI and DI.
3643 (SIZE): New mode attribute.
3644 (U): New code attribute.
3645 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
3646 (mips_lbux_<mode>): Delete.
3647 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
3648 (mips_lhx): Use gen_mips_lhx_extsi.
3649 (mips_lhx_<mode>): Delete.
3651 (mips_l<size>x): New expand.
3652 (mips_lwx_<mode>): Delete.
3653 (mips_l<GPR:size>x_<P:mode>): New pattern.
3654 (*mips_lw<u>x_<P:mode>_ext): Likewise.
3655 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
3656 * config/mips/mips.c (mips_lx_address_p): New function.
3657 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
3658 (dsp64): New availability predicate.
3659 (mips_builtins): Add an entry for __builtin_mips_ldx.
3660 * config/mips/mips.h (ISA_HAS_LBX): New define.
3661 (ISA_HAS_LBUX): Likewise.
3662 (ISA_HAS_LHX): Likewise.
3663 (ISA_HAS_LHUX): Likewise.
3664 (ISA_HAS_LWX): Likewise.
3665 (ISA_HAS_LWUX): Likewise.
3666 (ISA_HAS_LDX): Likewise.
3667 * doc/extend.texi (__builtin_mips_ldx): Document.
3669 2012-01-04 Tristan Gingold <gingold@adacore.com>
3671 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
3672 when long pointers are used.
3673 * config.build (*-*-*vms*): Handle all OpenVMS targets.
3674 (alpha64-dec-*vms*, alpha*-dec-*vms*)
3675 (ia64-hp-*vms*): Remove.
3676 * config/vms/xm-vms64.h: Delete.
3678 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3681 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
3683 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3685 * opts.c (finish_options): Remove duplicate sorry.
3687 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3690 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
3693 2012-01-04 Richard Guenther <rguenther@suse.de>
3696 * tree.c (size_low_cst): New function.
3697 * tree.h (size_low_cst): Declare.
3698 * fold-const.c (fold_comparison): Use it to extract the low
3699 part of the POINTER_PLUS_EXPR offset.
3701 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
3703 Fix clearing ZERO_REG
3704 * config/avr/avr.md (cc): Add alternative "ldi".
3705 (movqi_insn): Use it in cc attribute.
3706 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
3707 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
3708 (output_reload_insisf): Use ZERO_REG to pre-clear register.
3710 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3712 * configure: Regenerate.
3714 2012-01-04 Richard Guenther <rguenther@suse.de>
3716 PR tree-optimization/49651
3717 * tree-ssa-structalias.c (type_can_have_subvars): New function.
3718 (var_can_have_subvars): Use it.
3719 (get_constraint_for_1): Only consider subfields if there can be any.
3721 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3724 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
3725 to its new canonical_cselib_val and the cselib_val was in
3726 first_containing_mem chain, but the canonical_cselib_val was not,
3727 add the latter into the chain.
3728 (cselib_invalidate_mem): Compare canonical_cselib_val of
3729 addr_list chain elt with v.
3732 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
3733 dwarf2out_undef): Allocate e.info using ggc_strdup instead
3735 (output_macinfo_op): Don't ggc_strdup fd->filename.
3736 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
3737 then ggc_strdup it. Don't free inc->info or cur->info.
3738 (output_macinfo): Don't free ref->info or file->info.
3740 2012-01-03 Ira Rosen <irar@il.ibm.com>
3742 PR tree-optimization/51269
3743 * tree-vect-loop-manip.c (set_prologue_iterations): Make
3744 first_niters a pointer.
3745 (slpeel_tree_peel_loop_to_edge): Likewise.
3746 (vect_do_peeling_for_loop_bound): Update call to
3747 slpeel_tree_peel_loop_to_edge.
3748 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
3749 here. Remove it from the parameters list.
3750 (vect_do_peeling_for_alignment): Update calls and compute
3753 2012-01-03 Richard Guenther <rguenther@suse.de>
3755 PR tree-optimization/51070
3756 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
3757 Properly handle calls.
3759 2012-01-03 Richard Guenther <rguenther@suse.de>
3761 PR tree-optimization/51692
3762 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
3763 the LHS of allocation stmts.
3765 2012-01-03 Olivier Hainque <hainque@adacore.com>
3767 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
3769 2012-01-03 Olivier Hainque <hainque@adacore.com>
3771 * collect2.c (main): In AIX specific computations for vector
3772 insertions, use CONST_CAST2 to cast from char ** to const char **.
3774 2012-01-03 Richard Guenther <rguenther@suse.de>
3777 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
3778 the context of a limbo DIE when it does not already exist.
3780 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3782 PR tree-optimization/51719
3783 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
3784 but direct call is, clear direct call's lhs and don't add fallthrough
3785 edge from dcall_bb to join_bb and PHIs.
3787 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3789 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
3790 the instructions emitted by the pattern.
3791 ("*TDC_insn_<mode>"): Add comment.
3793 2012-01-03 Richard Guenther <rguenther@suse.de>
3796 * fold-const.c (fold_comparison): Properly canonicalize
3797 tree offset and HOST_WIDE_INT bit position.
3799 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
3801 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
3802 operands for extzv pattern.
3804 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3807 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
3810 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
3812 * doc/invoke.texi (-flto and related options): Copy-edit.
3814 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3816 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
3818 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3820 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
3823 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3825 * expr.h (move_by_pieces_ninsns): Declare.
3826 * expr.c (move_by_pieces_ninsns): Make external.
3827 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
3828 (mips_store_by_pieces_p): Likewise.
3829 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
3830 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
3831 * config/mips/mips.c (mips_move_by_pieces_p): New function.
3832 (mips_store_by_pieces_p): Likewise.
3834 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3836 * passes.c (register_one_dump_file): Free full_name.
3838 * reload1.c (reload): Don't allocate reg_max_ref_width here.
3839 (calculate_elim_costs_all_insns): Free offsets_at and
3840 offsets_known_at at the end and clear the pointers.
3842 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3844 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
3845 this option introduced in r180739.
3847 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3850 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
3851 (tmake_file target=avr): Add avr/t-multilib.
3853 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
3854 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
3855 * config/avr/genmultilib.awk: New file.
3856 * config/avr/t-multilib: New auto-generated file.
3857 * config/avr/multilib.h: New auto-generated file.
3858 * config/avr/t-avr (AVR_MCUS): New variable.
3859 (genopt.sh): Use it.
3860 (s-mlib): Depend on t-multilib.
3861 (t-multilib, multilib.h): New dependencies.
3862 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
3863 (MULTILIB_OPTIONS): Remove.
3864 (MULTILIB_MATCHES): Remove.
3865 (MULTILIB_DIRNAMES): Remove.
3866 (MULTILIB_EXCEPTIONS): Remove:
3867 * config/avr/genopt.sh: Don't use hard coded file name;
3868 pass AVR_MCUS from t-avr instead.
3870 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3872 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
3874 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3876 Implement light-weight DImode support.
3877 * config/avr/avr-dimode.md: New file.
3878 * config/avr/avr.md: Include it.
3879 (adjust_len): Add plus64, compare64.
3880 (HIDI): Remove code iterator.
3881 (code_stdname): New code attribute.
3882 (rotx, rotsmode): Remove DI.
3883 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
3885 * config/avr/avr-protos.h (avr_have_dimode): New.
3886 (avr_out_plus64, avr_out_compare64): New.
3887 * config/avr/avr.c (avr_out_compare): Handle DImode.
3888 (avr_have_dimode): New variable definition and initialization.
3889 (avr_out_compare64, avr_out_plus64): New functions.
3890 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
3891 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
3892 (avr_compare_pattern): Skip DImode comparisons.
3894 2012-01-02 Revital Eres <revital.eres@linaro.org>
3896 * ddg.c (def_has_ccmode_p): New function.
3897 (add_cross_iteration_register_deps,
3898 create_ddg_dep_from_intra_loop_link): Call it.
3900 2012-01-02 Richard Guenther <rguenther@suse.de>
3903 * invoke.texi (fassociative-math): Remove spurious paranthesis.
3905 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3907 * gcc.c (process_command): Update copyright notice dates.
3908 * gcov.c (print_version): Likewise.
3909 * gcov-dump.c (print_version): Likewise.
3910 * mips-tfile.c (main): Likewise.
3911 * mips-tdump.c (main): Likewise.
3913 2012-01-01 Ira Rosen <irar@il.ibm.com>
3915 PR tree-optimization/51704
3916 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
3917 a use is inside the basic block or loop before accessing its vect info.
3919 2012-01-01 Jan Hubicka <jhjh@suse.cz>
3921 PR rtl-optimization/51069
3922 * cfgloopmanip.c (remove_path): Removing path making irreducible
3923 region unconditional makes BB part of the region.
3925 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3927 PR tree-optimization/51683
3928 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
3929 calls with side-effects.
3930 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
3932 Copyright (C) 2012 Free Software Foundation, Inc.
3934 Copying and distribution of this file, with or without modification,
3935 are permitted in any medium without royalty provided the copyright
3936 notice and this notice are preserved.
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