1 2012-03-27 Eric Botcazou <ebotcazou@adacore.com>
3 * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
4 of a unit before computing the offset in units.
6 2012-03-27 Richard Guenther <rguenther@suse.de>
9 * fold-const.c (try_move_mult_to_index): Handle &x.array more
12 2012-03-24 Eric Botcazou <ebotcazou@adacore.com>
15 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
17 2012-03-24 Steven Bosscher <steven@gcc.gnu.org>
20 * varasm.c: Include pointer-set.h.
21 (pending_assemble_externals_set): New pointer set.
22 (process_pending_assemble_externals): Destroy the pointer set.
23 (assemble_external): See if decl is in pending_assemble_externals_set,
24 and add it to pending_assemble_externals if necessary.
25 (init_varasm_once): Allocate pending_assemble_externals_set.
27 2012-03-23 Michael Meissner <meissner@linux.vnet.ibm.com>
29 Backported from mainline
30 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
33 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
34 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
35 (vector_ltgt<mode>): Likewise.
36 (vector_ordered<mode>): Likewise.
37 (vector_unordered<mode>): Likewise.
38 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
40 2012-03-23 Joern Rennecke <joern.rennecke@embecosm.com>
42 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
45 2012-03-22 Kaz Kojima <kkojima@gcc.gnu.org>
47 Backported from mainline
48 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
52 * config/sh/sh.c (sh_register_move_cost): Increase cost between
53 GENERAL_REGS and FP_REGS for SImode.
55 2012-03-22 Jakub Jelinek <jakub@redhat.com>
58 * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
59 on any new_local_var_chain vars declared during recursing on
60 GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
62 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
64 Backport from 2012-03-22 mainline r185692.
67 * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
68 (unspecv): Add UNSPECV_MEMORY_BARRIER.
69 (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
70 (delay_cycles_1, delay_cycles_2): Ditto.
71 (delay_cycles_3, delay_cycles_4): Ditto.
73 (sleep, *sleep): Ditto.
76 Backport from 2012-03-21 mainline r185605.
78 PR rtl-optimization/52543
80 * config/avr/avr-protos.h (avr_load_lpm): New prototype.
81 * config/avr/avr.c (avr_mode_dependent_address_p): New function.
82 (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
83 (avr_load_libgcc_p): Restrict to __flash loads.
84 (avr_out_lpm): Only handle 1-byte loads from __flash.
85 (avr_load_lpm): New function.
86 (avr_find_unused_d_reg): Remove.
87 (avr_out_lpm_no_lpmx): Remove.
88 (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
89 * config/avr/avr.md (unspec): Add UNSPEC_LPM.
90 (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
91 (load_<mode>, load_<mode>_clobber): New insns.
92 (mov<mode>): For multi-byte move from non-generic
93 16-bit address spaces: Expand to load_<mode> resp.
95 (load<mode>_libgcc): Remove expander.
96 (split-lpmx): Remove split.
98 Backport from 2012-03-13 mainline r185329.
101 * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
102 offset (size) to a value the insns can deal with.
103 (expand_epilogue): Ditto.
105 Backport from 2012-03-12 mainline r185256.
108 * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
109 type from reg_class_t to enum reg_class.
110 * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
112 Backport from 2012-03-12 mainline r185253.
115 * config/avr/avr.c (avr_out_movmem): Fix typo in output template
116 for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
117 r184615 from 2012-02-28.
119 Backport from 2012-03-08 mainline r185105.
121 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
122 for constants in [-63,63].
124 Backport from 2012-03-08 mainline r185100.
127 * config/avr/avr.c (avr_mem_clobber): New static function.
128 (avr_expand_delay_cycles): Add memory clobber operand to
129 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
130 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
131 (enable_interrupt, disable_interrupt): New expander.
132 (nopv, sleep, wdr): New expanders.
133 (delay_cycles_1): Add memory clobber.
134 (delay_cycles_2): Add memory clobber.
135 (delay_cycles_3): Add memory clobber.
136 (delay_cycles_4): Add memory clobber.
137 (cli_sei): New insn from former "enable_interrupt",
138 "disable_interrupt" with memory clobber.
139 (*wdt): New insn from former "wdt" with memory clobber.
140 (*nopv): Similar, but for "nopv".
141 (*sleep): Similar, but for "sleep".
143 Backport from 2012-03-07 mainline r185043.
146 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
148 Backport from 2012-03-07 mainline r185032.
151 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
152 to: RAMPZ, RAMPY, RAMPX, RAMPD.
153 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
155 Backport from 2012-03-07 mainline r185031.
158 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
160 * config/avr/avr.md (xload_8): Adjust insn length.
162 Backport from 2012-03-07 mainline r185030.
165 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
166 if RAMPZ affects reading from RAM.
168 Backport from 2012-03-05 mainline r184919.
170 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
172 2012-03-22 Georg-Johann Lay <avr@gjlay.de>
174 Backport from mainline r185259.
177 * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
178 SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
180 2012-03-22 Jakub Jelinek <jakub@redhat.com>
182 Backported from mainline
183 2012-03-13 Jakub Jelinek <jakub@redhat.com>
186 * c-parser.c (c_parser_postfix_expression)
187 <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
189 * config/i386/smmintrin.h: Avoid /* within a comment.
190 * config/i386/nmmintrin.h: Likewise.
192 2012-03-22 Richard Guenther <rguenther@suse.de>
194 * BASE-VER: Set to 4.7.1.
195 * DEV-PHASE: Set to prerelease.
197 2012-03-22 Release Manager
199 * GCC 4.7.0 released.
201 2012-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
203 * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
205 2012-03-15 Jakub Jelinek <jakub@redhat.com>
206 Andrew Pinski <apinski@cavium.com>
209 * builtins.c (expand_builtin_int_roundingfn_2): If expanding
210 BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
211 calls instead of __builtin_ir{int,ound}*.
213 2012-03-14 Jakub Jelinek <jakub@redhat.com>
216 * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
219 2012-03-13 Joseph Myers <joseph@codesourcery.com>
221 * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
222 Refer to GCC 4.7 version of c99status.html.
224 2012-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
226 Backport from mainline
227 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
229 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
230 redefine to be NULL if the current bit-size is different from the
233 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
234 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
235 set the default tuning. Add asserts to make sure the cpu and tune
236 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
237 test whether the index is set, instead of > 0.
238 (rs6000_file_start): Do not reset the default cpu if the current
239 bit-size is different from the configured bit-size.
241 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
243 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
245 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
246 Update binutils references.
247 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
248 Update binutils reference.
249 Update Sun as/GNU ld caveat.
250 Document binutils largefile requirement for LTO plugin.
251 Remove reference to alternate libpthread.
253 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
255 * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
257 (Specific, mips-sgi-irix6): Likewise.
259 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
261 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
262 * configure: Regenerate.
264 2012-03-07 Richard Henderson <rth@redhat.com>
266 * config/m68k/m68k.h (ISA_HAS_TAS): New.
267 * config/m68k/sync.md (atomic_test_and_set): Use it.
268 (atomic_test_and_set_1): Likewise.
270 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
273 * Makefile.in: Let install-gcc-ar depend on installdirs, gcc-ar$(exeext),
274 gcc-nm$(exeext), gcc-ranlib$(exeext).
275 Don't double canonicalize if cross-compiling.
277 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
279 * trans-mem.c: New typedef for tm_region_p.
280 Define vector types for tm_region_p.
281 (tm_region_init): Replace region_worklist to a vector called
284 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
287 * trans-mem.c (tm_region_init): Use last_basic_block.
289 2012-03-05 Richard Henderson <rth@redhat.com>
292 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
293 * omp-low.c (expand_omp_atomic): Assume anything aligned to
294 BIGGEST_ALIGNMENT is aligned.
296 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
298 * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
300 2012-03-05 Richard Henderson <rth@redhat.com>
303 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
304 instead of calling negqi2 directly.
306 2012-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
308 * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
309 (INTMAX_TYPE): Use it.
310 (UINTMAX_TYPE): Likewise.
311 (SUBTARGET_OVERRIDE_OPTIONS): Define.
312 (irix6_c_common_override_options): Declare.
313 (C_COMMON_OVERRIDE_OPTIONS): Define.
314 * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
315 * config/mips/irix6-c.c: New file.
316 * config/mips/t-irix6 (irix6-c.o): New target.
317 * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
320 2012-03-02 Richard Henderson <rth@redhat.com>
322 * optabs.c (expand_atomic_test_and_set): Honor
323 atomic_test_and_set_trueval even when atomic_test_and_set
326 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
328 Backport from mainline
329 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
331 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
333 2012-03-02 Richard Guenther <rguenther@suse.de>
335 * DEV-PHASE: Set to prerelease.
337 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
339 * config.gcc (obsolete): Add all ARM targets using the FPA.
340 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
341 * doc/install.texi: Avoid references to obsolete ARM ports.
343 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
345 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
347 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
348 Joern Rennecke <joern.rennecke@embecosm.com>
350 * doc/extend.texi: Expand and update information on interrupt
351 attribute for Epiphany.
353 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
355 * config/sh/sh-protos.h: Update copyright notice dates.
356 * config/sh/sh.h: Likewise.
357 * config/sh/sh.md: Likewise.
358 * config/sh/constraints.md: Likewise.
359 * config/sh/predicates.md: Likewise.
361 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
363 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
364 * config/sh/sh.c (tertiary_reload_operand): Likewise.
366 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
368 * config/sh/constraints.md: Fix comment typo.
370 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
373 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
374 unsigned HOST_WIDE_INT.
375 (zvdep_imm64): Likewise.
376 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
377 (vdepi_and): Likewise.
378 Likewise for unamed 64-bit patterns.
379 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
381 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
384 PR rtl-optimization/52417
385 * cselib.c (cselib_any_perm_equivs): New variable.
386 (cselib_reset_table): Check that it's not set when not
387 preserving constants.
388 (cselib_add_permanent_equiv): Set it.
389 (cselib_have_permanent_equivalences): New.
390 (cselib_init, cselib_finish): Reset it.
391 * cselib.h (cselib_have_permanent_equivalences): Declare.
392 * alias.c (get_addr): Restore earlier behavior when there
393 aren't permanent equivalences.
395 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
397 * config/mn10300/mn10300-modes.def: Fix copyright notice.
398 * config/v850/v850-modes.def: Fix copyright notice.
400 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
402 * doc/extend.texi (AVR Built-in Functions): Document
403 __builtin_avr_flash_segment.
405 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
406 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
407 (*split.flash_segment): New insn-and-split.
408 * config/avr/avr.c (avr_init_builtins): Add local variables:
409 const_memx_void_node, const_memx_ptr_type_node,
410 char_ftype_const_memx_ptr.
412 2012-03-01 Jakub Jelinek <jakub@redhat.com>
414 PR tree-optimization/52445
415 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
416 add ssa_name_ver, offset and size fields and change store field
418 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
419 (add_or_mark_expr): Likewise. Only consider previous stores
420 with the same size and offset.
421 (nt_init_block): Only look at gimple_assign_single_p stmts,
422 doesn't look at rhs2.
424 2012-03-01 Richard Guenther <rguenther@suse.de>
427 * tree-cfg.c (verify_gimple_assign_unary): Allow any
428 conversions from integral types to pointer types.
430 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
432 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
433 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
434 unintentionally removed in r184616.
436 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
438 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
441 2012-02-29 Jakub Jelinek <jakub@redhat.com>
442 Uros Bizjak <ubizjak@gmail.com>
445 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
446 alternatives, add "e" constraint to the new last alternative
447 and ! to last 3 alternatives.
449 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
451 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
452 DW_AT_artificial attributes at the end of the processing.
453 (gen_array_type_die): Likewise.
454 (gen_enumeration_type_die): Likewise.
455 (gen_struct_or_union_type_die): Likewise.
456 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
459 2012-02-29 Jakub Jelinek <jakub@redhat.com>
462 * expr.c (expand_assignment): If doing misaligned store that doesn't
463 cover all mode bits, perform a RMW cycle.
465 PR tree-optimization/52429
466 * tree-parloops.c (separate_decls_in_region_debug): Return early
467 if var is LABEL_DECL.
469 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
471 PR tree-optimization/52424
472 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
473 calling dom_thread_across_edge.
475 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
477 * config/avr/avr.c: Move definition of TARGET macros to end of file.
479 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
481 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
482 * config/avr/avr.c (avr_output_bld): Remove unused function.
483 (avr_out_sbxx_branch): Use "%T" to print bit position.
485 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
487 * config/avr/avr.md: Untabify.
489 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
491 * config/avr/avr.md (eqne): New code iterator.
492 (*dec-and-branchsi): Use it in text peephole's condition.
493 (*dec-and-branchhi): Ditto.
494 (*dec-and-branchqi): Ditto.
496 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
499 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
500 the device does not have the skip-bug.
502 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
504 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
505 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
506 -mpretend-cmove): New.
508 2012-02-29 Jakub Jelinek <jakub@redhat.com>
511 * df.h (struct df_d): Adjust comment that hard_regs_live_count
512 doesn't count DEBUG_INSN refs.
513 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
516 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
520 2012-02-20 Richard Guenther <rguenther@suse.de>
521 PR tree-optimization/52298
522 * tree-vect-stmts.c (vectorizable_load): Properly use
523 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
526 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
529 * gimple.h (gimple_in_transaction): New.
530 (gimple_set_in_transaction): New.
531 (struct gimple_statement_base): Add in_transaction field.
532 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
534 (tree_ssa_lim_initialize): Compute transaction bits.
535 * tree.h (compute_transaction_bits): Protoize.
536 * trans-mem.c (tm_region_init): Use the heap to store BB
538 (compute_transaction_bits): New.
540 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
542 * gcc.c (display_help): Document --help=common and sort entries
545 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
547 * doc/install.texi: Document check-$LANG specific shortcuts
549 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
552 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
554 * config/arm/arm_neon.h: Regenerate.
555 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
556 (neon_vcgeu): New insn.
557 (neon_vcgtu): Likewise.
558 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
559 (ops): Unsigned comparison intrinsics call a different
562 2012-02-28 Richard Guenther <rguenther@suse.de>
565 * config/i386/i386.c (ix86_expand_vector_set): Fix element
566 ordering for the VEC_CONCAT for two element vectors for
567 V2SFmode, V2SImode and V2DImode.
569 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
572 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
573 detecting big-endian triplets.
575 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
577 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
578 mode if there is no type information available.
580 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
582 PR tree-optimization/53207
583 * doc/invoke.texi: Document as experimental and relying on graphite.
585 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
587 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
588 of initializer to changes from r184614.
590 2012-02-28 Richard Guenther <rguenther@suse.de>
592 PR tree-optimization/52395
593 * tree-sra.c (build_ref_for_offset): Also look at the base
594 TYPE_ALIGN when figuring out the alignment of the replacement.
596 2012-02-28 Richard Guenther <rguenther@suse.de>
598 PR tree-optimization/52402
599 * ipa-prop.c (ipa_modify_call_arguments): Properly use
600 mis-aligned types when creating the accesses at the call site.
602 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
604 * config/avr/builtins.def: New file.
605 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
606 * config/avr/avr.c (enum avr_builtin_id): Use it.
607 (avr_init_builtins): Use it. And use avr_bdesc.
608 (bdesc_1arg): Remove.
609 (bdesc_2arg): Remove.
610 (bdesc_3arg): Remove.
611 (struct avr_builtin_description): Add field n_args.
612 (avr_bdesc): New static variable using builtins.def.
613 (avr_expand_builtin): Use it.
614 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
615 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
616 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
618 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
621 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
622 match only one single hard register with respective hard reg rtx.
623 (movmemx_<mode>): Ditto.
624 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
625 insn anatomy of movmem[x]_<mode>.
626 (avr_out_movmem): Same for printing assembler and operand usage.
628 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
632 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
633 address spaces located outside of device flash.
635 * config/avr/avr.h (base_arch_s): Remove field n_segments.
636 (mcu_type_s): Add field n_flash.
637 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
638 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
639 (AVR_MCU): Add N_FLASH argument.
640 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
641 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
642 macro __FLASH<n> if that address space makes sense for the device.
643 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
644 outside of target flash.
645 (avr_asm_named_section): Ditto.
646 (avr_asm_select_section): Ditto.
647 (avr_addr_space_convert): Ditto.
648 (avr_emit_movmemhi): Ditto.
649 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
650 address space is outside of device flash.
651 (avr_insert_attributes): Ditto.
652 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
653 avr_current_arch->n_segments.
655 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
658 * config/i386/i386.md (*movabs<mode>_1): Enable only for
660 (*movabs<mode>_2): Likewise.
662 2012-02-27 Jakub Jelinek <jakub@redhat.com>
665 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
666 s_register_operand in the test instead of REG_P. Don't call
667 gen_reg_rtx if it won't be used.
669 PR tree-optimization/52376
670 * ipa-split.c (split_function): Ignore CLOBBER stmts.
672 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
674 * ifcvt.c (noce_get_condition): Check condition variable is not
675 small_register_classes_for_mode_p before accepting.
677 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
679 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
681 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
684 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
685 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
687 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
689 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
691 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
693 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
695 * config/sh/predicates.md: Remove blank lines.
696 * config/sh/sh.c: Fix typos in comments.
697 * config/sh/constraints.md: Likewise.
698 * config/sh/sh.md: Remove blank lines.
699 Fix typos in comments. Use ;; as comment characters.
701 2012-02-26 Walter Lee <walt@tilera.com>
703 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
704 (replace_mov_pcrel_step2): Ditto.
706 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
709 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
710 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
711 and locs that reference values newer than the non-canonical value
712 at hand. Return the canonical value as a worst case.
713 (memrefs_conflict_p): Walk canonical value's locs.
716 * cselib.c (preserve_only_constants): Rename to...
717 (preserve_constants_and_equivs): ... this. Split out...
718 (invariant_or_equiv_p): ... this. Preserve plus expressions
719 of other preserved expressions too.
720 (cselib_reset_table): Adjust.
721 * var-tracking.c (reverse_op): Use canonical value to build
724 2012-02-23 Kai Tietz <ktietz@redhat.com>
726 * config/i386/i386.c (ix86_delegitimize_address): Handle
727 UNSPEC_PCREL plus displacement.
729 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
732 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
733 to test for unusedness in st X addressing.
735 2012-02-24 Richard Guenther <rguenther@suse.de>
738 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
739 (is_gimple_reg_type): Move inline ...
740 * gimple.h (is_gimple_reg_type): ... here.
742 2012-02-24 Richard Guenther <rguenther@suse.de>
745 * passes.c (execute_function_todo): When verifying SSA form
746 verify gimple form first.
747 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
749 2012-02-24 Richard Guenther <rguenther@suse.de>
752 * fold-const.c (fold_addr_of_array_ref_difference): New function.
753 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
755 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
757 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
759 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
761 * tree-phinodes.c (make_phi_node): Mark static.
762 * tree-flow.h (make_phi_node): Remove extern decl.
763 * doc/gimple.texi (make_phi_node): Remove documentation.
765 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
767 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
768 * tree-ssa-sccvn.c (print_scc): Ditto.
770 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
772 * doc/passes.texi (Full redundancy elimination): Fix typo.
774 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
776 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
778 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
781 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
783 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
786 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
788 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
790 * config/avr/avr.md (code_stdname): Add ior, xor.
791 (xior): New code iterator.
792 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
793 (*<code_stdname><mode>qi.byte1-3): Ditto.
795 2012-02-23 Jakub Jelinek <jakub@redhat.com>
797 PR tree-optimization/52019
798 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
801 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
803 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
804 HAVE_INITFINI_ARRAY to work around namespace pollution in
805 certain versions of newlib system headers.
806 * config.in: Regenerate.
807 * configure: Regenerate.
808 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
809 instead of HAVE_INITFINI_ARRAY.
811 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
814 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
815 is not offsettable memory reference.
817 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
820 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
821 setting avr_need_clear_bss_p for __gnu_lto* symbols.
823 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
825 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
826 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
828 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
830 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
831 library on Solaris 8 even without TLS support.
832 * configure: Regenerate.
834 2012-02-22 Richard Guenther <rguenther@suse.de>
837 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
838 for GIMPLE_DEBUG stmts.
840 2012-02-22 Martin Jambor <mjambor@suse.cz>
843 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
844 according to the base object.
846 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
848 PR rtl-optimization/50063
849 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
850 and 2 (8-bit SP) in operand 2.
851 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
852 setup to use movhi_sp_r instead of vanilla move to write SP.
853 Adjust REG_CFA notes to superseed unspec.
854 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
856 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
857 known to be off) only with TARGET_NO_INTERRUPTS. Never use
858 irq_state 1 (IRQ known to be on) here.
860 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
862 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
864 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
865 assign_hard_reg): Likewise.
867 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
869 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
871 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
874 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
875 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
877 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
879 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
880 prototype from here to...
881 * config/avr/avr.h: ...here.
883 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
886 * thumb2.md (thumb2_shiftsi3_short): Split register and
887 immediate shifts. For register shifts tie operands 0 and 1.
888 (peephole2 for above): Check that register-controlled shifts
889 have suitably tied operands.
891 2012-02-21 Quentin Neill <quentin.neill@amd.com>
894 * config/i386/bdver1.md (bdver1_call, bdver1_push,
895 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
896 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
897 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
898 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
899 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
900 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
901 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
902 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
903 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
904 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
905 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
906 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
907 bdver1_ssevector_avx256_unaligned_load,
908 bdver1_ssevector_sse128_unaligned_load,
909 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
910 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
911 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
912 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
913 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
914 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
915 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
916 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
917 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
918 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
919 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
920 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
921 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
922 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
923 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
924 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
925 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
926 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
927 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
928 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
929 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
930 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
931 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
932 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
933 bdver1_ssediv_double_load, bdver1_ssediv_double,
934 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
935 Add "bdver2" attribute.
937 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
939 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
940 default if possible and not specified otherwise.
942 2012-02-21 Richard Guenther <rguenther@suse.de>
945 * gimplify.c (create_tmp_from_val): Use the main variant type
946 for the type of the temporary we create.
948 2012-02-21 Richard Guenther <rguenther@suse.de>
950 PR tree-optimization/52324
951 * gimplify.c (gimplify_expr): When re-gimplifying expressions
952 do not gimplify a MEM_REF address operand if it is already
955 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
957 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
958 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
960 2012-02-21 Richard Guenther <rguenther@suse.de>
962 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
965 2012-02-21 Jakub Jelinek <jakub@redhat.com>
967 PR tree-optimization/52318
968 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
969 vdef also to non-pure/const call stmts in the sequence.
971 2012-02-20 David S. Miller <davem@davemloft.net>
973 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
974 don't use the "rd %pc" instruction on v9 for PIC register loads.
976 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
979 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
980 in a transaction safe function.
982 2012-02-20 Kai Tietz <ktietz@redhat.com>
985 * stor-layout.c (place_field): Handle desired_align for
988 2012-02-20 Richard Guenther <rguenther@suse.de>
990 PR tree-optimization/52298
991 * tree-vect-stmts.c (vectorizable_store): Properly use
992 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
994 (vectorizable_load): Likewise.
995 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
996 Access DR_STEP after ensuring it is not NULL.
998 2012-02-20 Jakub Jelinek <jakub@redhat.com>
1000 PR tree-optimization/52286
1001 * fold-const.c (fold_binary_loc): For (X & C1) | C2
1002 optimization use double_int_to_tree instead of build_int_cst_wide,
1003 rewrite to use double_int vars.
1005 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1008 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1010 Remove -e 0 from $gcc_cv_ld invocation.
1011 Only use __GLIBC_PREREQ if defined.
1012 Enable on Solaris since Solaris 8 patch.
1013 (gcc_SUN_LD_VERSION): New macro.
1014 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1015 gcc_SUN_LD_VERSION for version number format.
1016 * configure: Regenerate.
1017 * varasm.c (get_elf_initfini_array_priority_section): Set
1018 SECTION_NOTYPE for non-default priority.
1019 Use get_section instead of get_unnamed_section to emit
1020 .init_array/.fini_array with default priority.
1022 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1024 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1025 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
1026 (mips_start_unique_function, mips_output_mips16_rdhwr)
1027 (mips_code_end): New functions.
1028 (TARGET_ASM_CODE_END): Define.
1030 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1032 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1033 to stubs with non-sibling calls.
1035 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
1037 * doc/invoke.texi (-fira-* options): Copy-edit.
1038 (ira-* parameters): Copy-edit.
1040 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1042 * doc/invoke.texi: Minor copy-edits to bring into conformance with
1043 GCC coding conventions.
1045 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1047 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1048 when used as adjectives.
1050 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
1052 * doc/invoke.texi: Clean up "that"/"which" confusion.
1054 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
1056 * system.h: Poison SMALL_REGISTER_CLASSES
1057 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1058 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1060 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1062 PR tree-optimization/52285
1063 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1064 when deciding if a call is a tail call or tail recursion.
1066 2012-02-16 Kai Tietz <ktietz@redhat.com>
1068 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1069 interger-constant displacement for UNSPEC_PCREL.
1071 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1073 PR rtl-optimization/52208
1074 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1075 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1077 PR tree-optimization/52255
1078 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1079 loop->header has virtual PHI, but exit_e->dest doesn't, add
1080 virtual PHI to exit_e->dest and adjust all uses after the loop.
1083 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1084 children with clone_tree_hash, not after it.
1086 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
1088 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1089 extended identifiers.
1091 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1094 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1095 a same_body_alias, also test whether e->callee isn't a former
1096 or current clone of the decl this is a same body alias of.
1098 PR translation/52264
1099 * cgraphunit.c (verify_cgraph_node): Fix a typo.
1101 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
1103 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1105 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
1108 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1109 force_reg instead of copy_to_reg for better optimization. Force
1110 non-register or memory operands into a register.
1112 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
1114 * extend.texi: Reserve upper bits of memory model for future use.
1116 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
1117 Anatoly Sokolov <aesok@post.ru>
1118 Eric Weddington <eric.weddington@atmel.com>
1121 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1122 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1123 Rewrite initializers for .macro.
1124 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1125 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1126 atxmega32d4, atxmega32x1.
1127 avrxmega4: atxmega64a3, atxmega64d3.
1128 avrxmega5: atxmega64a1, atxmega64a1u.
1129 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1130 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1131 avrxmega7: atxmega128a1, atxmega128a1u.
1132 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1133 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1134 (struct base_arch_s): Rename reserved to xmega_p.
1135 Rename reserved2 to have_rampd.
1136 (AVR_XMEGA): New define.
1137 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1138 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1139 * config/avr/predicates.md (io_address_operand): Take into
1141 (low_io_address_operand): Ditto.
1142 (high_io_address_operand): Ditto.
1143 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1144 (enabled, movhi_sp_r): Use them.
1145 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1146 cpp_define_formatted to built-in define __AVR_ARCH__.
1147 (__AVR_XMEGA__): New built-in define.
1148 (__AVR_HAVE_RAMPD__): New built-in define.
1149 (__AVR_HAVE_RAMPX__): New built-in define.
1150 (__AVR_HAVE_RAMPY__): New built-in define.
1151 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1153 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1154 (avr_option_override): Initialize them.
1155 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1156 (avr_init_expanders): Initialize them. No more block several calls.
1157 (emit_push_sfr): New static function.
1158 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1160 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1161 (avr_print_operand): Print addreeses as symbols for
1162 RAMPX, RAMPY, RAMPD, CCP.
1163 (output_movhi): Handle AVR_XMEGA when writing to SP.
1164 (avr_out_movhi_mr_r_xmega): New static function.
1165 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1166 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
1167 __RAMPD__, __CCP__ as needed.
1169 * config/avr/multilib.h: Regenerate.
1170 * config/avr/t-multilib: Regenerate.
1171 * config/avr/avr-tables.opt: Regenerate.
1173 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
1175 PR tree-optimization/50561
1176 * graphite-flattening.c (lst_project_loop): Do not
1177 remove old scattering dimensions after flattening.
1178 (lst_do_flatten): Likewise.
1180 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
1182 * doc/extend.texi (AVR Built-in Functions): Remove doc for
1183 __builtin_avr_map8, __builtin_avr_map16.
1184 Document __builtin_avr_insert_bits.
1186 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1187 (insert_bits): New insn.
1188 (adjust_len.map_bits): Rename to insert_bits.
1189 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1190 * avr-protos.h (avr_out_map_bits): Remove.
1191 (avr_out_insert_bits, avr_has_nibble_0xf): New.
1192 * config/avr/constraints.md (Cxf,C0f): New.
1193 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1194 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1195 New built-in define __BUILTIN_AVR_INSERT_BITS.
1196 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1197 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1198 (avr_move_bits): Rewrite.
1199 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1201 (avr_map_op_t): New typedef.
1202 (avr_map_op): New static variable.
1203 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1204 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1205 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1206 (bdesc_3arg, avr_expand_triop_builtin): New.
1207 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1208 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1209 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1210 (avr_map_equal_p, avr_map_sig_p): Remove.
1211 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1212 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1213 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1214 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1215 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1216 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1218 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1220 * config/c6x/c6x.md (reserve_cycles): New attribute.
1221 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1222 don't reserve functional units after the branch occurs.
1224 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
1227 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1228 functions into non-tm_pure functions.
1230 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
1233 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1234 (iterative_hash_canonical_type): Likewise.
1235 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1238 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1240 * haifa-sched.c (prune_ready_list): Ensure that if there is a
1241 sched-group insn, it either remains alone or the entire list is pruned.
1243 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1245 * doc/install.texi (Prerequisites): Fix grammar.
1246 (Configuration): Likewise.
1248 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1250 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1251 MPC as part of GCC before describing configuring with --with-gmp etc.
1252 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1253 sources are present.
1255 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1258 * dwarf2out.c (clone_tree_hash): New function.
1259 (copy_decls_walk): Use it instead of clone_tree.
1261 2012-02-14 Richard Guenther <rguenther@suse.de>
1263 PR tree-optimization/52244
1264 PR tree-optimization/51528
1265 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1266 replacements for integral types.
1268 2012-02-14 Walter Lee <walt@tilera.com>
1270 * config.gcc: Handle tilegx and tilepro.
1271 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1273 Add HAVE_AS_TLS check for tilegx and tilepro.
1274 * configure: Regenerate.
1275 * doc/contrib.texi: Add Mat Hostetter and self.
1276 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1277 Document instruction intrinsics and network accessing intrinsics.
1278 (TILEPro Built-in Functions): New node. Document instruction
1279 intrinsics and network accessing intrinsics.
1280 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1281 (Specific, tilepro-*-linux*): Likewise.
1282 * doc/invoke.texi (TILE-Gx Options): New section.
1283 (TILEPro Options): New section.
1284 * doc/md.texi (TILE-Gx): New section.
1285 (TILEPro): New section.
1286 * common/config/tilegx/tilegx-common.c: New file.
1287 * common/config/tilepro/tilepro-common.c: New file.
1288 * config/tilegx/constraints.md: New file.
1289 * config/tilegx/linux.h: New file.
1290 * config/tilegx/mul-tables.c: New file.
1291 * config/tilegx/predicates.md: New file.
1292 * config/tilegx/sync.md: New file.
1293 * config/tilegx/t-tilegx: New file.
1294 * config/tilegx/tilegx-builtins.h: New file.
1295 * config/tilegx/tilegx-c.c: New file.
1296 * config/tilegx/tilegx-generic.md: New file.
1297 * config/tilegx/tilegx-modes.def: New file.
1298 * config/tilegx/tilegx-multiply.h: New file.
1299 * config/tilegx/tilegx-protos.h: New file.
1300 * config/tilegx/tilegx.c: New file.
1301 * config/tilegx/tilegx.h: New file.
1302 * config/tilegx/tilegx.md: New file.
1303 * config/tilegx/tilegx.opt: New file.
1304 * config/tilepro/constraints.md: New file.
1305 * config/tilepro/gen-mul-tables.cc: New file.
1306 * config/tilepro/linux.h: New file.
1307 * config/tilepro/mul-tables.c: New file.
1308 * config/tilepro/predicates.md: New file.
1309 * config/tilepro/t-tilepro: New file.
1310 * config/tilepro/tilepro-builtins.h: New file.
1311 * config/tilepro/tilepro-c.c: New file.
1312 * config/tilepro/tilepro-generic.md: New file.
1313 * config/tilepro/tilepro-modes.def: New file.
1314 * config/tilepro/tilepro-multiply.h: New file.
1315 * config/tilepro/tilepro-protos.h: New file.
1316 * config/tilepro/tilepro.c: New file.
1317 * config/tilepro/tilepro.h: New file.
1318 * config/tilepro/tilepro.md: New file.
1319 * config/tilepro/tilepro.opt: New file.
1321 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1323 PR tree-optimization/52210
1324 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1325 vect_model_simple_cost with two entry vect_def_type array instead
1326 of an address of dt.
1328 2012-02-14 Richard Guenther <rguenther@suse.de>
1331 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1332 Do not stream DECL_QUALIFIER.
1333 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1334 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1335 (find_decls_types_r): Do not walk DECL_QUALIFIER.
1337 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1340 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1343 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1346 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1347 * cselib.c (cselib_subst_to_values_from_insn): New function.
1348 * sched-deps.c (add_insn_mem_dependence,
1349 sched_analyze_1, sched_analyze_2): Use it.
1351 2012-02-13 Jan Hubicka <jh@suse.cz>
1354 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1356 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
1358 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1359 (GTM_SELF_SPECS): Define if not already defined.
1360 (driver_self_specs): Add GTM_SELF_SPECS.
1361 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1362 (GTM_SELF_SPECS): Define.
1363 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1364 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1366 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1368 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1371 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1374 * omp-low.c (expand_omp_for): If a static schedule without chunk size
1375 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1377 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
1380 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1382 2012-02-13 Richard Guenther <rguenther@suse.de>
1384 PR translation/52211
1385 * passes.c (enable_disable_pass): Fix typo.
1387 2012-02-13 Jakub Jelinek <jakub@redhat.com>
1390 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1391 XOR for reduce_bit_field if type is unsigned.
1393 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
1395 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1396 disallow changes from SFmode to mode with different size in FP regs.
1398 2012-02-12 Robert Millan <rmh@gnu.org>
1399 Gerald Pfeifer <gerald@pfeifer.com>
1401 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1404 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
1406 PR rtl-optimization/52175
1407 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1408 to frame-related instructions.
1410 2012-02-10 Jason Merrill <jason@redhat.com>
1413 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1414 (demangle_new_symbols): Fill it.
1415 (scan_linker_output): Walk it.
1416 (start_tweaking): Split out from scan_linker_output.
1417 (maybe_tweak): Update sym->chosen.
1418 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1420 2012-02-11 Jakub Jelinek <jakub@redhat.com>
1423 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1425 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
1427 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1428 having the same mode as previous compare.
1430 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
1432 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1433 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1434 (nonlocal_goto_internal): Likewise.
1435 (nonlocal_goto): Emit a use and an indirect jump directly.
1437 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
1440 * doc/extend.texi : Update comments for __atomic_compare_exchange and
1441 __atomic_{is,always}_lock_free.
1443 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
1446 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1447 negative constant address for x32.
1449 2012-02-10 Richard Henderson <rth@redhat.com>
1451 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1452 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1453 for GIMPLE_TRANSACTION. Tidy if's into a switch.
1455 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1456 Ira Rosen <irar@il.ibm.com>
1458 PR tree-optimization/50031
1459 * targhooks.c (default_builtin_vectorization_cost): Handle
1461 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1462 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1463 all types of reduction and pattern statements.
1464 (vect_estimate_min_profitable_iters): Likewise.
1465 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1466 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1467 for explicit realigns.
1468 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1469 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1471 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1472 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1473 vec_perm for VSX and handle vec_promote_demote.
1475 2012-02-10 Jakub Jelinek <jakub@redhat.com>
1478 * builtins.c (fold_builtin_atomic_always_lock_free,
1479 expand_builtin_atomic_always_lock_free,
1480 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1481 Return and/or test boolean_true_node/boolean_false_node instead of
1482 integer_one_node/integer_zero_node.
1484 2012-02-10 Jan Hubicka <jh@suse.cz>
1487 * predict.c (predict_paths_for_bb): Prevent looping.
1488 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1490 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
1492 * config/arm/arm.c (output_move_double): In one case properly
1493 count number of instructions that will be emitted.
1495 2012-02-10 Richard Guenther <rguenther@suse.de>
1497 PR translation/52193
1498 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1500 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
1503 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1505 2012-02-09 Jakub Jelinek <jakub@redhat.com>
1508 * var-tracking.c (emit_note_insn_var_location): If
1509 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1510 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1511 non-NOTE_DURING_CALL_P insn.
1513 2012-02-09 Bin Cheng <bin.cheng@arm.com>
1516 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1518 2012-02-08 Magnus Granberg <zorry@gentoo.org>
1521 * gcc.c (switch_matches) Support switches with separated form,
1524 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
1526 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1528 (RAMPZ_ADDR): Ditto.
1529 * config/avr/avr.c (avr_addr_t): New typedef.
1530 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1531 (avr_init_expanders): Initialize it.
1532 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1534 (expand_epilogue): Ditto.
1535 (avr_print_operand): Ditto.
1536 (avr_file_start): Ditto.
1537 (avr_emit_movmemhi): Ditto.
1539 2012-02-08 Richard Guenther <rguenther@suse.de>
1541 PR tree-optimization/46886
1542 * tree-flow.h (do_while_loop_p): Declare.
1543 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1544 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1546 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
1548 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1549 always succeed for integers larger than a native word.
1551 2012-02-08 Richard Guenther <rguenther@suse.de>
1553 PR rtl-optimization/52170
1554 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1555 properly handle integer vector modes.
1557 2012-02-08 Jakub Jelinek <jakub@redhat.com>
1559 PR gcov-profile/52150
1560 * coverage.c: Include target.h.
1561 (build_var): Call targetm.strip_name_encoding on the assembler name.
1562 Change one _ into . or $ if the target allows it.
1563 * Makefile.in (coverage.o): Depend on $(TARGET_H).
1565 PR rtl-optimization/52139
1566 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1567 is a BARRIER after emit_insn_after_noloc, move BB_END
1568 to the last non-BARRIER insn before it.
1570 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
1573 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1574 (mips_gimplify_va_arg_expr): Call it instead of
1575 std_gimplify_va_arg_expr.
1577 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
1579 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1580 message for -mno-pointers-to-nested-function.
1582 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
1585 * expr.c (get_inner_reference): If there is an offset, add a negative
1586 bit position to it (if any).
1588 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1590 PR rtl-optimization/52060
1591 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1592 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1593 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1594 and/or i0src_copy2 when needed.
1596 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1598 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1599 or LTOPLUGINSONAME if have_c.
1601 * config/freebsd-spec.h: Add comment about what macros can be defined
1603 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1604 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1607 2012-02-07 Richard Guenther <rguenther@suse.de>
1609 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1610 newline in -alias dumps.
1612 2012-02-07 Kai Tietz <ktietz@redhat.com>
1613 Dave Korn <dave.korn.cygwin@gmail.com>
1616 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1617 Take care that typinfo gets dllexport-attribute.
1619 2012-02-07 Jakub Jelinek <jakub@redhat.com>
1622 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1623 if modifier < EXPAND_SUM call force_operand on the result.
1625 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
1627 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1628 adding __forwarder_dst__ prefix if a forwarder_section attribute is
1630 (epiphany_function_type): Replace types for specific interrupts with
1631 EPIPHANY_FUNCTION_INTERRUPT.
1632 (EPIPHANY_INTERRUPT_P): Update.
1633 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1634 New static function.
1635 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1636 <disinterrupt>: Affects type identity.
1637 (epiphany_handle_interrupt_attribute): Handle variable number of
1639 (epiphany_compute_function_type): Update for new
1640 epiphany_function_type definition.
1641 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
1642 handlers with a longcall forwarder.
1643 (epiphany_start_function): Handle multiple interrupt arguments and/or
1644 forwarder_section attribute.
1646 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
1649 2012-02-07 Alan Modra <amodra@gmail.com>
1652 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
1655 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1657 PR tree-optimization/50969
1658 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
1659 use vec_perm rather than vector_stmt.
1660 (vect_model_load_cost): Likewise.
1661 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
1662 vec_perm to be the same as other vector statements.
1663 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
1664 cost of vec_perm for TARGET_VSX.
1666 2012-02-06 Richard Guenther <rguenther@suse.de>
1668 PR tree-optimization/52115
1669 * tree-sra.c (access_has_replacements_p): New function.
1670 (sra_modify_assign): Use it to decide whether a use is uninitialized.
1672 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
1675 * trans-mem.c (expand_call_tm): Add an assertion.
1676 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
1679 2012-02-06 Richard Guenther <rguenther@suse.de>
1681 PR tree-optimization/50955
1682 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
1683 raise cost of expressions that replace an address with an
1684 expression based on a different pointer.
1686 2012-02-06 Jakub Jelinek <jakub@redhat.com>
1689 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
1690 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
1692 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
1695 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
1696 -Weffc++ and specify guidelines come from second edition.
1698 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1700 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
1701 (sibcall_value_multiple_internal, call_split, call_internal_direct)
1702 (call_direct_split, call_value_split, call_value_internal_direct)
1703 (call_value_direct_split, call_value_multiple_split): Use jal and
1704 jal_macro attributes.
1706 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
1708 * reload1.c (reload_regs_reach_end_p): Replace with...
1709 (reload_reg_rtx_reaches_end_p): ...this function.
1710 (new_spill_reg_store): Update commentary.
1711 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
1712 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
1713 before setting new_spill_reg_store.
1714 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
1715 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
1716 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
1717 for non-spill reload registers.
1719 2012-02-05 Ira Rosen <irar@il.ibm.com>
1721 PR tree-optimization/52091
1722 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
1723 (vect_is_simple_use_1): Likewise.
1724 * tree-vect-loop.c (vectorizable_reduction): Update calls
1725 to vect_is_simple_use_1 and vect_is_simple_use.
1726 (vectorizable_live_operation): Likewise.
1727 * tree-vect-patterns.c (widened_name_p,
1728 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
1729 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
1730 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
1731 vectorizable_shift,vectorizable_operation, vectorizable_store,
1732 vectorizable_load): Likewise.
1733 (vect_is_simple_cond): Add an argument, pass it to
1734 vect_is_simple_use_1.
1735 (vectorizable_condition): Update calls to vect_is_simple_cond,
1737 (vect_is_simple_use): Add an argument, the statement in which
1738 OPERAND is used. Check that if OPERAND's def stmt is a double
1739 reduction phi node, the use is a phi node too.
1740 (vect_is_simple_use_1): Add an argument, pass it to
1742 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
1743 to vect_is_simple_use.
1745 2012-02-04 Jakub Jelinek <jakub@redhat.com>
1747 PR rtl-optimization/52095
1748 * modulo-sched.c (dump_insn_locator): New function.
1749 (loop_canon_p, sms_schedule): Use it.
1751 PR rtl-optimization/52113
1752 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
1753 even for decomposable shift/zext insns.
1755 2012-02-03 Jakub Jelinek <jakub@redhat.com>
1756 Zdenek Dvorak <ook@ucw.cz>
1758 PR rtl-optimization/52092
1759 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
1760 on get_iv_value result.
1762 2012-02-02 Andrew Pinski <apinski@cavium.com>
1766 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
1768 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1771 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
1773 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
1775 PR rtl-optimization/49800
1776 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
1777 (sched_finish): Call regstat_free_n_sets_and_refs.
1779 2012-02-02 Jia Liu <proljc@gmail.com>
1781 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
1784 2012-02-02 Jan Hubicka <jh@suse.cz>
1785 Tom de Vries <tom@codesourcery.com>
1788 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
1789 * varpool.c (varpool_analyze_pending_decls): Likewise.
1791 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
1792 Jayant R Sonar <jayant.sonar@kpitcummins.com>
1794 * config.gcc: Add cr16-* support.
1796 * doc/extend.texi: Document cr16 extensions.
1797 * doc/install.texi: Document cr16 install.
1798 * doc/invoke.texi: Document cr16 options.
1799 * doc/md.texi: Document cr16 constraints.
1801 * common/config/cr16/cr16-common.c: New file.
1802 * config/cr16/cr16.c: New file.
1803 * config/cr16/cr16.h: New file.
1804 * config/cr16/cr16.md: New file.
1805 * config/cr16/cr16.opt: New file.
1806 * config/cr16/cr16-protos.h: New file.
1807 * config/cr16/predicates.md: New file.
1808 * config/cr16/constraints.md: New file.
1809 * config/cr16/t-cr16: New file.
1811 2012-02-02 Jakub Jelinek <jakub@redhat.com>
1814 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
1815 that operands[2] is either immediate, or q_regs_operand.
1817 PR tree-optimization/52073
1818 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
1819 a pattern stmt for pattern uses, ignore uses outside of the loop.
1821 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
1823 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
1824 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
1825 (OUT_AS1, OUT_AS2): Remove.
1827 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
1829 PR rtl-optimization/51374
1830 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
1831 to cross other volatile_refs_p insns.
1833 2012-02-01 Richard Guenther <rguenther@suse.de>
1835 * doc/invoke.texi (fno-inline): Clarify documentation.
1836 (finline-small-functions): Likewise.
1837 (finline-functions): Likewise.
1838 * common.opt (finline): Adjust comment and documentation.
1839 (finline-small-functions): Clarify documentation.
1840 (finline-functions): Likewise.
1841 (finline-functions-called-once): Likewise.
1843 2012-02-01 Tristan Gingold <gingold@adacore.com>
1845 * c-typeck.c (composite_type): Keep mode for pointers.
1847 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
1849 * function.h (regno_reg_rtx): Adjust comment.
1850 * reginfo.c (init_reg_modes_target): Only use the previous mode
1851 if it fits within one register. Remove MIPS comment.
1853 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1856 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
1858 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1860 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
1861 to srak instruction.
1863 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1865 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
1867 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1872 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
1874 2012-01-31 Richard Guenther <rguenther@suse.de>
1876 PR tree-optimization/51528
1877 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
1880 2012-01-31 Jakub Jelinek <jakub@redhat.com>
1885 * ree.c (add_removable_extension): Change def_map argument
1886 to unsigned *, store in def_map 1 + offset into *insn_list vector
1887 instead of pointers into the vector.
1888 (find_removable_extensions): Adjust caller.
1890 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1892 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
1893 Transform all "* quoted-c-code" to { c-code }.
1894 Remove redundant test for "optimize" in combine patterns.
1895 Move (include "avr-dimode.md") to end of file.
1897 2012-01-30 Bin Cheng <bin.cheng@arm.com>
1900 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
1901 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
1903 2012-01-30 Richard Guenther <rguenther@suse.de>
1905 PR tree-optimization/52028
1906 * tree-loop-distribution.c (ldist_gen): Properly update
1909 2012-01-30 Jakub Jelinek <jakub@redhat.com>
1912 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
1913 set_cur_line_info_table if not emitting debug info.
1915 PR tree-optimization/52046
1916 * tree-vect-patterns.c (check_bool_pattern): Give up if
1917 a comparison could throw.
1920 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
1922 2012-01-30 Richard Guenther <rguenther@suse.de>
1924 PR tree-optimization/52045
1925 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
1926 SSA form if cfgcleanup did anything.
1928 2012-01-30 Richard Guenther <rguenther@suse.de>
1930 PR tree-optimization/52045
1931 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
1932 before computing final todo.
1934 2012-01-30 Richard Guenther <rguenther@suse.de>
1936 PR tree-optimization/51528
1937 * tree-sra.c (sra_modify_assign): Re-factor in preparation
1940 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
1942 * df-problems.c (df_kill_notes): Check that the use refers
1943 to the note under examination.
1945 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
1948 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
1949 parameter and use short-lived pseudos.
1950 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
1951 (sparc_expand_vector_init): Const-ify local variables and adjust
1952 calls to above functions.
1954 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
1956 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
1958 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
1960 * doc/invoke.texi: Make usage of "compile time" and
1961 "run time"/"runtime" consistent throughout the file.
1963 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
1965 * config/alpha/alpha.c (alpha_option_override): Default to
1966 full IEEE compliance mode for Go language.
1968 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
1970 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
1971 (LINK_SSP_SPEC): Define.
1973 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1976 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
1979 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
1981 * doc/invoke.texi: Correct hyphenation of "floating point",
1982 "double precision", and related terminology throughout the file.
1984 2012-01-28 Jakub Jelinek <jakub@redhat.com>
1987 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
1988 arm_general_register_operand predicate for operand 2 instead of
1991 2012-01-27 Ian Lance Taylor <iant@google.com>
1994 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
1995 * builtins.c (expand_builtin_init_trampoline): Add onstack
1996 parameter. Change caller.
1997 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
1998 * tree.c (build_common_builtin_nodes): Declare
1999 __builtin_init_heap_trampoline.
2001 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
2003 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2004 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2005 * config/avr/avr.c: Ditto.
2006 (avr_regnames): Remove because unused.
2007 * config/avr/avr.md (*cpse.ne): New peephole.
2008 (*cpse.eq): New peephole from former cpse peepholes.
2010 2012-01-27 Michael Eager <eager@eagercon.com>
2012 * config/microblaze.c (microblaze_emit_compare): Correct
2013 test after pcmp instruction.
2015 2012-01-27 Richard Guenther <rguenther@suse.de>
2017 PR tree-optimization/52020
2018 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2020 2012-01-27 Richard Guenther <rguenther@suse.de>
2022 * ipa-pure-const.c (check_stmt): Clobbers do not make a
2023 function non-const/pure.
2025 2012-01-27 Richard Guenther <rguenther@suse.de>
2027 PR tree-optimization/50444
2028 * tree-sra.c (build_ref_for_offset): Properly adjust the
2029 MEM_REF type for unaligned accesses.
2031 2012-01-27 Richard Guenther <rguenther@suse.de>
2033 PR tree-optimization/50444
2034 * expr.c (mem_ref_refers_to_non_mem_p): New function.
2035 (expand_assignment): Use it. Properly handle misaligned
2036 bases when expanding stores to component references.
2037 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2040 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
2043 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2044 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2045 * tree-data-ref.c (find_data_references_in_loop): Make static.
2046 (compute_all_dependences): Change return type to bool. Bail out
2047 for too many datarefs in a loop. Move the hunk resetting the data
2048 dependences vector from ...
2049 (compute_data_dependences_for_loop): ... here. Account for
2050 compute_all_dependences returning false.
2051 (compute_data_dependences_for_bb): Likewise.
2052 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2053 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2055 2012-01-27 Richard Guenther <rguenther@suse.de>
2058 * expr.c (store_field): Use the alias-set of the scratch memory
2061 2012-01-27 Tom de Vries <tom@codesourcery.com>
2063 PR tree-optimization/51990
2064 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2066 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2068 2012-01-27 Jakub Jelinek <jakub@redhat.com>
2071 * var-tracking.c (reverse_op): Don't add any reverse operation
2072 if V already has any constant locations.
2074 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2076 * doc/invoke.texi: Correct usage of "command line" (noun)
2077 vs "command-line" (adjective) throughout.
2079 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2081 * doc/invoke.texi (Language Independent Options): Move
2082 -Wcoverage-mismatch blurb from here....
2083 (Warning Options): ...to here.
2085 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
2087 * config/rs6000/rs6000.c (rs6000_option_override_internal):
2088 Set rs6000_always_hint to false for 476.
2090 2012-01-27 Matthias Klose <doko@ubuntu.com>
2092 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2094 * incpath.c (add_standard_paths): Likewise.
2096 2012-01-27 Richard Henderson <rth@redhat.com>
2098 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2099 * config/m68k/sync.md (atomic_test_and_set): Rename from
2100 sync_test_and_setqi and adjust the operands.
2101 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2102 and unconditionally enable.
2104 2012-01-27 Richard Henderson <rth@redhat.com>
2106 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2107 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2108 (ldstub): Rename from ldstubqi.
2109 (ldstub<I24MODE>): Remove.
2111 2012-01-27 Richard Henderson <rth@redhat.com>
2113 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2114 * c-cppbuiltin.c (cpp_atomic_builtins): Define
2115 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2116 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2117 * doc/tm.texi: Rebuild.
2119 2012-01-27 Richard Henderson <rth@redhat.com>
2121 * optabs.c (gen_atomic_test_and_set): Remove default.
2122 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2124 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2126 PR rtl-optimization/51978
2127 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2128 (combine_reaching_defs): Likewise.
2129 (struct re_info): Remove.
2130 (add_removable_extension): Remove x and data arguments,
2131 add insn, insn_list and def_map. Use the arguments directly
2132 instead of using struct re_info.
2133 (find_removable_extensions): Don't call add_removable_extension
2134 through note_stores, instead just call it with single_set
2136 (find_and_remove_re): Pass curr_cand->expr instead of
2137 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2139 2012-01-26 Michael Matz <matz@suse.de>
2141 PR tree-optimization/46590
2142 * cfgexpand.c: Revert last change (r183305).
2143 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2145 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2146 checking for emptiness.
2148 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2151 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2152 non-addressable non-BLKmode base correctly.
2154 2012-01-26 Michael Matz <matz@suse.de>
2156 PR tree-optimization/48794
2157 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2158 regions referenced from RESX/EH_DISPATCH.
2160 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2162 * config/s390/s390.h: Make BRANCH_COST an option.
2163 * config/s390/s390.opt: New option -mbranch-cost.
2165 2012-01-26 Richard Henderson <rth@redhat.com>
2167 Revert 2012-01-24 change:
2168 * trans-mem.c (requires_barrier): Do not instrument thread local
2169 variables and emit save/restore for them.
2171 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2174 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2177 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
2179 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2182 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
2185 Rename __pgm to __flash.
2186 Rename __pgm1 to __flash1.
2187 Rename __pgm2 to __flash2.
2188 Rename __pgm3 to __flash3.
2189 Rename __pgm4 to __flash4.
2190 Rename __pgm5 to __flash5.
2191 Rename __pgmx to __memx.
2192 * doc/extend.texi (AVR Named Address Spaces)
2193 Rename address space names as indicated above.
2194 * config/avr/avr.c (avr_addrspace): Ditto.
2196 * config/avr/avr-protos.h
2197 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2198 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2199 * config/avr/predicates.md: Ditto.
2200 * config/avr/avr.c Ditto, and
2201 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2202 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2204 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2205 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2206 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2207 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2208 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2209 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2210 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2211 * config/avr/avr.c: Ditto.
2212 * config/avr/avr.md: Ditto.
2214 2012-01-25 Jason Merrill <jason@redhat.com>
2217 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2219 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2221 PR tree-optimization/51987
2222 * tree-data-ref.c (get_references_in_stmt): Handle references in
2223 non-volatile GIMPLE_ASM.
2225 2012-01-25 Richard Guenther <rguenther@suse.de>
2227 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2228 bases are dereferenced.
2230 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2232 PR rtl-optimization/48374
2233 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2235 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2237 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2238 compute_data_dependences_for_loop returns false.
2239 * tree-parloops.c (loop_parallel_p): Likewise.
2241 2012-01-25 Richard Guenther <rguenther@suse.de>
2243 * tree.h (get_pointer_alignment_1): Declare.
2244 * builtins.c (get_pointer_alignment_1): New function.
2245 (get_pointer_alignment): Use it.
2247 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2249 PR rtl-optimization/48308
2250 * combine.c (enum undo_kind): Add UNDO_LINKS.
2251 (struct undo): Add member l to other_contents and where.
2252 (do_SUBST_LINK): New.
2254 (try_combine): Handle LOG_LINKS for the dummy i1 case.
2255 (undo_all): Handle UNDO_LINKS.
2257 2012-01-25 Richard Henderson <rth@redhat.com>
2259 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2262 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2264 * optabs.c (gen_atomic_test_and_set): Use each argument.
2266 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2268 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2269 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2270 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2271 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2272 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2273 TARGET_PAIRED_SINGLE_FLOAT.
2275 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2277 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2278 (in_struct, return_val): Remove MEM documentation.
2279 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2280 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2281 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2283 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2284 * cfgexpand.c (add_alias_set_conflicts): Likewise.
2285 * expr.c (store_field): Likewise.
2286 * function.c (assign_stack_temp_for_type): Likewise.
2287 * ifcvt.c (noce_try_cmove_arith): Likewise.
2288 * reload1.c (reload): Likewise.
2289 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2290 (alpha_set_memflags): Likewise.
2291 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2293 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2295 * rtl.h (true_dependence, canon_true_dependence): Remove varies
2297 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2298 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2299 (true_dependence_1, true_dependence, canon_true_dependence): Remove
2301 * cselib.c (cselib_rtx_varies_p): Delete.
2302 (cselib_invalidate_mem): Update call to canon_true_dependence.
2303 * dse.c (record_store, check_mem_read_rtx): Likewise.
2304 (scan_reads_nospill): Likewise.
2305 * cse.c (check_dependence): Likewise.
2306 (cse_rtx_varies_p): Delete.
2307 * expr.c (safe_from_p): Update call to true_dependence.
2308 * ira.c (validate_equiv_mem_from_store): Likewise.
2309 (memref_referenced_p): Likewise.
2310 * postreload-gcse.c (find_mem_conflicts): Likewise.
2311 * sched-deps.c (sched_analyze_2): Likewise.
2312 * store-motion.c (load_kills_store): Likewise.
2313 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2314 * gcse.c (mems_conflict_for_gcse_p): Likewise.
2315 (compute_transp): Update call to canon_true_dependence.
2317 2012-01-25 Richard Henderson <rth@redhat.com>
2319 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2320 (maybe_emit_atomic_test_and_set): New.
2321 (expand_sync_lock_test_and_set): Use it.
2322 (expand_atomic_test_and_set): Likewise.
2323 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2324 the implementation; clarify implementation defined details.
2325 * doc/md.texi (atomic_test_and_set): Document.
2327 2012-01-25 Richard Henderson <rth@redhat.com>
2329 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2331 2012-01-25 Richard Henderson <rth@redhat.com>
2334 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2335 to effect no-op split.
2337 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2340 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2341 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2342 (BT_FN_VOID_PTR_INT_SIZE): New.
2343 (BT_FN_UINT_UINT_VAR): Remove.
2344 (BT_FN_UINT32_UINT32_VAR): New.
2345 (BT_FN_DOUBLE_VPTR): Remove.
2346 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2348 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2349 (_ITM_changeTransactionMode): Same.
2350 (_ITM_memmoveRtWt): Change return type to void.
2351 (_ITM_memcpyRtWt): Same.
2352 (_ITM_memsetW): Same.
2353 (_ITM_RaRD): Change types to double.
2358 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2360 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
2361 Patrick Marlier <patrick.marlier@gmail.com>
2363 * trans-mem.c (requires_barrier): Do not instrument thread local
2364 variables and emit save/restore for them.
2366 2012-01-24 Jason Merrill <jason@redhat.com>
2369 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2370 output static aliases.
2372 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2375 * common.opt (-pie, -shared, pie, shared): Change from Common to
2377 * gcc.c (display_help): Display help for -pie and -shared.
2379 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
2382 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2383 Remove note on size/offset limitation.
2384 (AVR Variable Attributes): Add example how to read data located
2385 with progmem. Refer to named address spaces.
2386 * doc/invoke.texi (AVR Options): Fix typo.
2388 2012-01-24 Richard Guenther <rguenther@suse.de>
2390 Forward-port to trunk
2391 2010-09-21 Jakub Jelinek <jakub@redhat.com>
2394 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2395 op0 isn't sufficiently aligned and there is movmisalignM
2396 insn for mode, use it to load op0 into a temporary register.
2398 2012-01-24 Jakub Jelinek <jakub@redhat.com>
2401 * target.def (const_not_ok_for_debug_p): New hook.
2402 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2404 * doc/tm.texi: Regenerated.
2405 * dwarf2out.c (const_ok_for_output_1): If
2406 targetm.const_not_ok_for_debug_p returns true, fail.
2407 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2409 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2411 2012-01-23 Kai Tietz <ktietz@redhat.com>
2414 * config/i386/predicates.md (symbolic_operand): Allow
2415 UNSPEC_PCREL as PIC expression for lea.
2416 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2417 * config/i386/i386.c (ix86_delegitimize_address): Handle
2418 UNSPEC_PCREL for none-MEM, too.
2420 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2422 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2423 (ipa_tm_create_version_alias): Same.
2425 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
2428 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2429 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2431 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
2432 Patrick Marlier <patrick.marlier@gmail.com>
2433 Iain Sandoe <developer@sandoe-acoustics.co.uk>
2436 * lto-wrapper.c (run_gcc): Pass the LTO section name to
2437 simple_object_start_read.
2439 2012-01-23 Richard Guenther <rguenther@suse.de>
2442 PR tree-optimization/51895
2443 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2444 parameter decomposition into BLKmode components.
2446 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
2448 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2449 fake variables for restrict-qualified pointers whose pointed-to type
2450 contains a placeholder.
2452 2012-01-23 Richard Guenther <rguenther@suse.de>
2454 PR tree-optimization/51949
2455 * ipa-split.c (execute_split_functions): Do not split malloc functions.
2457 2012-01-23 Jakub Jelinek <jakub@redhat.com>
2459 PR rtl-optimization/51933
2460 * ree.c (transform_ifelse): Return true right away if dstreg is
2461 already wider or equal to cand->mode.
2462 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2463 (make_defs_and_copies_lists): Remove defs_list and copies_list
2464 arguments, add state argument, just truncate state->work_list
2465 instead of always allocating and freeing the vector. Assert that
2466 get_defs succeeds instead of returning 2. Changed return type to bool.
2467 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
2468 have ext_src_mode, see if it has been modified already with the
2469 right kind of extension and has been extended before from the
2470 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
2471 just return true. Remember the original mode in state->modified array.
2472 (combine_reaching_defs): Add state argument. Don't allocate and
2473 free here def_list, copied_list and vec vectors, instead just
2474 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
2475 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2476 Add state variable, clear vectors in it, initialize state.modified
2477 if needed. Free all the vectors at the end and state.modified too.
2478 Don't skip a candidate if the extension expression has been modified.
2480 2012-01-22 Douglas B Rupp <rupp@gnat.com>
2483 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2484 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2485 (extra_options) interix.opt -> i386/interix.opt"
2486 (extra_objs):Add winnt-stubs.o
2487 * configure.ac: Add interix to target_os .comm on PE check.
2488 * configure: Regenerate.
2489 * config/interix3.h: Delete and move bits to..
2490 * config/interix.h: Delete and move bits to..
2491 * config/i386/i386-interix3.h: Delete and move bits to..
2492 * config/i386/i386-interix.h: ..here.
2493 (TARGET_CPU_DEFAULT): Remove redefinition.
2494 (TARGET_ASM_CONSTRUCTOR): Undefine.
2495 (SUBTARGET_SWITCHES): Define for ms-bitfields.
2496 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2497 (PTRDIFF_TYPE): Define.
2498 (LONG_DOUBLE_TYPE_SIZE): Define.
2499 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2500 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2501 (TARGET_SECTION_TYPE_FLAGS): Define.
2502 (ASM_DECLARE_FUNCTION_NAME): Define.
2503 (ASM_OUTPUT_EXTERNAL): Define.
2504 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2505 (ASM_OUTPUT_ALIGNED_BSS): Define.
2506 (PCC_BITFIELD_TYPE_MATTERS): Define.
2507 (USE_CONST_SECTION): Define.
2508 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2509 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2510 (SUPPORTS_ONE_ONLY): Remove.
2511 (I386_PE_STRIP_ENCODING): Define.
2512 * config/interix.opt: Delete and move bits to..
2513 * config/i386/interix.opt: ..here. New.
2514 (mpe-aligned-commons): Add.
2515 * config/i386/t-interix: Add copyright header.
2516 (winnt-stubs.o): Add rule.
2518 2012-01-22 Jason Merrill <jason@redhat.com>
2521 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2522 for extra name aliases.
2524 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
2526 PR rtl-optimization/51924
2527 * ree.c (combine_set_extension): Improve debugging message.
2528 (combine_reaching_defs): Likewise.
2529 (get_defs): Rename confusingly named variable.
2530 (find_and_remove_re): Skip a candidate if the extension expression has
2533 2012-01-21 Robert Millan <rmh@gnu.org>
2534 Gerald Pfeifer <gerald@pfeifer.com>
2536 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2537 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2539 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2541 PR tree-optimization/51914
2542 * tree-vect-stmts.c (vectorizable_conversion): For
2543 cvt_type && modifier == WIDEN, put temporary with cvt_type
2544 at the beginning of vec_dsts and set vec_dest to temporary
2547 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
2549 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2551 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
2553 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2554 * config/rs6000/rs6000.c: Likewise.
2556 2012-01-20 Jakub Jelinek <jakub@redhat.com>
2559 * config/arm/arm.c (arm_count_output_move_double_insns): Call
2560 output_move_double on a copy of operands array.
2562 2012-01-20 Cary Coutant <ccoutant@google.com>
2563 Dodji Seketeli <dodji@redhat.com>
2566 * dwarf2out.c (copy_declaration_context): Return ref to parent
2567 of declaration DIE, if necessary.
2568 (remove_child_or_replace_with_skeleton): Add new parameter; update
2569 caller. Place skeleton DIE under parent DIE of original declaration.
2570 Move call to copy_declaration_context to here ...
2571 (break_out_comdat_types): ... from here.
2573 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2575 PR rtl-optimization/51856
2576 * reload.c (find_reloads_subreg_address): Set the address_reloaded
2579 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2582 * config/arm/arm.c (arm_print_operand): Correct output of alignment
2583 hints for neon loads and stores.
2585 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
2589 * doc/extend.texi (Named Address Spaces): Split into subsections.
2590 (AVR Named Address Spaces): New subsection.
2591 (M32C Named Address Spaces): New subsection.
2592 (RL78 Named Address Spaces): New subsection.
2593 (SPU Named Address Spaces): New subsection.
2594 (Variable Attributes): New anchor "AVR Variable Attributes".
2595 (AVR Variable Attributes): Rewrite and avoid wording
2596 "address space" in this context.
2597 * doc/invoke.texi (AVR Options): Rewrite and add documentation
2598 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2599 (AVR Built-in Macros): New subsubsection therein.
2600 * doc/md.texi (AVR constraints): Remove "C04", "R".
2602 2012-01-20 Richard Guenther <rguenther@suse.de>
2604 PR tree-optimization/51903
2605 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2606 when removing stmts.
2608 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2611 * config/arm/arm.c (arm_load_pic_register): Use
2612 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2613 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2614 (arm_pic_static_addr): Likewise.
2615 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2616 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2617 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2618 (pic_load_addr_unified): New.
2620 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
2623 * function.c (instantiate_virtual_regs_in_insn): Use
2624 delete_insn_and_edges when removing a wrong asm insn.
2626 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
2628 PR rtl-optimization/40761
2629 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2630 Add new member loop_num.
2631 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2632 (ira_build): Remove the parameter.
2634 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2635 (ira.c): Do not build CFG loops for one region allocation. Remove
2636 argument from ira_build call.
2638 * ira-build.c (init_loop_tree_node): New function.
2639 (create_loop_tree_nodes): Use it. Separate the case when CFG
2640 loops are not built.
2641 (more_one_region_p): Check current_loops.
2642 (finish_loop_tree_nodes): Separate the case when CFG loops are not
2644 (add_loop_to_tree): Process loop equal to NULL too.
2645 (form_loop_tree): Separate the case when CFG loops are not built.
2646 Use explicitly number for the root.
2647 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
2649 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
2650 instead of loop->num.
2651 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
2652 (mark_all_loops_for_removal): Ditto.
2653 (remove_unnecessary_regions): Separate the case when CFG loops
2655 (ira_build): Remove the parameter. Use explicit number of regions
2656 when CFG loops are not built.
2658 * ira-color.c (print_loop_title): Separate the case for the root node.
2659 Use loop_num instead of loop->num.
2660 (move_spill_restore): Use loop_num instead of loop->num.
2662 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
2663 (change_loop): Ditto.
2664 (change_loop): Use loop_num instead of loop->num.
2666 * ira-lives.c (process_bb_node_lives): Ditto.
2668 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
2670 * ira-conflicts.c (print_allocno_conflicts): Ditto.
2672 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2675 * tree-mudflap.c (mf_artificial): New function.
2676 (execute_mudflap_function_ops, execute_mudflap_function_decls,
2677 mx_register_decls, mudflap_enqueue_decl): Use it.
2680 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
2681 numbers in the insn pattern.
2683 2012-01-19 Michael Matz <matz@suse.de>
2685 PR tree-optimization/46590
2686 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
2687 use it in remembering which conflicts we already created.
2688 (add_scope_conflicts): Adjust call to above, (de)allocate helper
2691 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
2694 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
2695 (merge_and_complain): Same.
2697 2012-01-19 Jakub Jelinek <jakub@redhat.com>
2700 * config/initfini-array.h: Guard content of the header
2701 with #ifdef HAVE_INITFINI_ARRAY.
2702 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
2703 Add initfini-array.h to tm_file here.
2704 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
2705 * config.gcc: Don't add initfini-array.h to tm_file here.
2706 * configure: Regenerated.
2708 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
2710 PR rtl-optimization/51505
2711 * df-problems.c (df_kill_notes): New parameter live. Update comment.
2712 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
2713 (df_note_bb_compute): Update the call to df_kill_notes.
2715 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
2717 * trans-mem.c (requires_barrier): Remove call to is_global_var.
2719 2012-01-18 Richard Guenther <rguenther@suse.de>
2721 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
2722 of conversions to void *.
2724 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2725 Richard Sandiford <rdsandiford@googlemail.com>
2729 * optabs.h (simplify_expand_binop): Declare.
2730 * optabs.c (simplify_expand_binop): Make global.
2731 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
2732 endian targets if the source cannot be exactly covered by word
2735 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2738 * hard-reg-set.h (struct hard_reg_set_container): New type.
2739 * target.h (struct hard_reg_set_container): Forward declare.
2740 * target.def (set_up_by_prologue): New target hook.
2741 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
2742 * doc/tm.texi: Regenerated.
2743 * function.c (thread_prologue_and_epilogue_insns): Change
2744 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
2745 Call targetm.set_up_by_prologue on it.
2746 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
2747 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
2749 2012-01-17 Nick Clifton <nickc@redhat.com>
2751 * config/rx/rx.c (rx_can_use_simple_return): New function.
2752 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
2753 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
2755 2012-01-17 Richard Guenther <rguenther@suse.de>
2758 * expr.c (expand_assignment): Take address-space information
2759 from the address operand of MEM_REF and TARGET_MEM_REF.
2760 (expand_expr_real_1): Likewise.
2762 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2764 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
2765 reload dump is requested.
2767 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
2770 * trans-mem.c (requires_barrier): Call may_be_aliased.
2772 2012-01-17 Jakub Jelinek <jakub@redhat.com>
2774 PR tree-optimization/51877
2775 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
2776 call arguments and fndecls compare equal, instead return false if they
2777 don't. Return true only if lhs1 and lhs2 are either both NULL, or
2778 both SSA_NAMEs that are valueized the same, or they satisfy
2781 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2783 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
2785 * configure: Regenerate.
2787 2012-01-16 Jan Hubicka <jh@suse.cz>
2791 * convert.c (convert_to_integer): Use fold_convert for
2792 converting an INTEGER_CST to integer type.
2794 2012-01-16 Jason Merrill <jason@redhat.com>
2797 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
2799 2012-01-16 Jakub Jelinek <jakub@redhat.com>
2802 * config/s390/s390.c (s390_chunkify_start): Don't skip
2803 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
2804 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
2805 If insn is followed by NOTE_INSN_VAR_LOCATION or
2806 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
2807 Don't use location of note insns.
2809 PR tree-optimization/51865
2810 * tree-inline.c (tree_function_versioning): Call remap_decl
2811 on DECL_RESULT whenever it has VOID_TYPE_P type.
2813 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2815 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
2816 for calls to locally-binding MIPS16 functions if only the return
2817 type uses float regs.
2819 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
2820 Richard Sandiford <rdsandiford@googlemail.com>
2822 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
2823 (SYMBOL_32_HIGH): Likewise.
2824 (mips_output_tls_reloc_directive): Declare.
2825 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
2826 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
2827 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
2828 (mips_lo_relocs, mips_hi_relocs): Make extern.
2829 (mips16_stub_function): Move up file.
2830 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
2831 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
2832 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
2833 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
2834 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
2835 (mips_get_tp): Add MIPS16 support.
2836 (mips_legitimize_tls_address): Remove MIPS16 sorry().
2837 Generalize DTPREL and TPREL handling.
2838 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
2839 Add MIPS16 TLS support.
2840 (mips_output_tls_reloc_directive): New function.
2841 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
2842 * config/mips/predicates.md (symbolic_operand_with_high)
2843 (tls_reloc_operand): New predicates.
2844 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
2845 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
2846 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
2847 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
2848 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
2849 (*tls_get_tp_mips16_call_<mode>): Likewise.
2851 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
2853 PR rtl-optimization/51821
2854 * recog.c (peep2_find_free_register): Determine clobbered registers
2857 2012-01-14 Denis Chertykov <chertykov@gmail.com>
2860 * config/avr/avr-protos.h: Revert change of 2012-01-09.
2861 * config/avr/avr.c: Likewise.
2862 * config/avr/avr.h: Likewise.
2864 2012-01-13 Ian Lance Taylor <iant@google.com>
2867 * tree.h (TYPE_QUALS): Add cast to int.
2868 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
2870 2012-01-13 Ian Lance Taylor <iant@google.com>
2872 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
2873 comparing param_index to VEC_length result.
2875 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
2877 * c-decl.c: Do not include tree-mudflap.h
2878 * tree-optimize.c: Likewise.
2879 * Makefile.in: Update dependencies.
2881 2012-01-13 Richard Guenther <rguenther@suse.de>
2884 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
2885 variable-sized result always use RSO.
2887 2012-01-12 DJ Delorie <dj@redhat.com>
2889 * cfgexpand.c (convert_debug_memory_address): Allow any valid
2890 pointer type, not just the default pointer type.
2892 2012-01-09 Richard Henderson <rth@redhat.com>
2893 Denis Chertykov <chertykov@gmail.com>
2896 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
2897 * config/avr/avr.c (avr_can_eliminate): Simplify.
2898 (avr_initial_elimination_offset): Likewise.
2899 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
2900 (expand_epilogue): Likewise.
2901 (avr_legitimize_address): Gut.
2902 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
2903 (avr_hard_regno_nregs): New.
2904 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
2905 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
2906 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
2907 add soft frame pointer.
2908 (CALL_USED_REGISTERS): Likewise.
2909 (REG_CLASS_CONTENTS): Likewise.
2910 (REGISTER_NAMES): Likewise.
2911 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
2912 (HARD_FRAME_POINTER_REGNUM): New.
2913 (FRAME_POINTER_REGNUM): Use soft frame pointer.
2914 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
2915 remove the HARD_FRAME_POINTER self-elimination.
2917 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
2920 * config/avr/avr.c (avr_encode_section_info): Test for absence of
2921 DECL_EXTERNAL when checking for initializers of progmem variables.
2923 2012-01-12 Ira Rosen <irar@il.ibm.com>
2925 PR tree-optimization/51799
2926 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
2927 that the last operation is a type demotion.
2929 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
2931 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
2932 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
2934 2012-01-11 Jakub Jelinek <jakub@redhat.com>
2937 * combine.c (distribute_notes): If i3 is a noreturn call,
2938 allow old_size to be equal to args_size and make sure the
2939 noreturn call gets REG_ARGS_SIZE note.
2940 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
2941 on noreturn calls even when the delta is 0.
2943 2012-01-11 Nathan Sidwell <nathan@acm.org>
2945 * gcov.c (STRING_SIZE): Remove.
2946 (generate_results): Erase annotations for source files with no
2947 coverage information.
2949 (output_lines): Use it.
2951 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2953 * gimple.h (gimplify_body): Remove first argument.
2954 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
2955 pointer set here, instead just pass DATA to walk_tree.
2956 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
2957 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
2958 (unvisit_body): Likewise, but with unmark_visited.
2959 (gimplify_body): Remove BODY_P argument and adjust.
2960 (gimplify_function_tree): Adjust call to gimplify_body.
2961 * omp-low.c (finalize_task_copyfn): Likewise.
2963 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
2965 * tree.h (build_function_decl_skip_args): Add boolean parameter.
2966 (build_function_type_skip_args): Delete.
2967 * tree.c (build_function_type_skip_args): Make static and add
2968 SKIP_RETURN parameter. Fix thinko in the handling of variants.
2969 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
2970 pass it to build_function_type_skip_args.
2971 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
2972 (tree_function_versioning): Likewise.
2973 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
2974 build_function_decl_skip_args.
2975 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
2976 and pass it to build_function_decl_skip_args/tree_function_versioning.
2977 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
2978 * ipa-inline-transform.c (save_inline_function_body): Likewise.
2979 * trans-mem.c (ipa_tm_create_version): Likewise.
2980 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
2981 * tree-inline.c (declare_return_variable): Remove always-true test.
2982 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
2983 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
2984 * ipa-split.c (split_function): Skip the return value for the split
2985 part if it doesn't return.
2987 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2989 PR tree-optimization/49642
2990 * ipa-split.c (forbidden_dominators): New variable.
2991 (check_forbidden_calls): New function.
2992 (dominated_by_forbidden): Likewise.
2993 (consider_split): Check for forbidden dominators.
2994 (execute_split_functions): Initialize and free forbidden
2995 dominators info; call check_forbidden_calls.
2997 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2999 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3001 2012-01-11 Nick Clifton <nickc@redhat.com>
3003 * config/rx/rx.md (return): Define pattern.
3005 2012-01-11 Richard Guenther <rguenther@suse.de>
3007 * doc/extend.texi (malloc attribute): Adjust according to
3010 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
3011 Patrick Marlier <patrick.marlier@gmail.com>
3014 * trans-mem.c (get_cg_data): Traverse aliases if requested.
3015 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3016 (ipa_tm_note_irrevocable): Same.
3017 (ipa_tm_scan_irr_block): Same.
3018 (ipa_tm_decrement_clone_counts): Same.
3019 (ipa_tm_scan_irr_function): Same.
3020 (ipa_tm_create_version_alias): Same.
3021 (ipa_tm_create_version): Same.
3022 (ipa_tm_transform_calls_redirect): Same.
3023 (ipa_tm_transform_calls): Same.
3024 (ipa_tm_transform_transaction): Same.
3025 (ipa_tm_execute): Same.
3027 2012-01-10 Richard Guenther <rguenther@suse.de>
3030 * opts.c (common_handle_option): Handle -Werror.
3032 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
3034 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3037 2012-01-10 Jason Merrill <jason@redhat.com>
3039 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3042 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3044 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3045 supports R_386_TLS_GD_PLT reloc.
3046 (gcc_cv_as_ix86_tlsldmplt): Check if linker
3047 supports R_386_TLS_LDM_PLT reloc.
3048 * configure: Regenerate.
3049 * config.in: Regenerate.
3051 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
3054 Extend __pgmx semantics to linearize memory.
3055 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3056 determine if code comes inline or from libgcc.
3057 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3058 (movmem_qi, movmem_qi): Set constraint #2 to "n".
3059 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3060 (movmemx_qi, movmemx_hi): New insns.
3061 (xload_<mode>_libgcc): Rewrite to new insn condition.
3062 (xload_<mode>): Remove insns.
3063 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3064 cases that don't satisfy avr_xload_libgcc_p().
3065 (avr_addr_space_convert): Allow converting in any direction.
3066 (avr_addr_space_subset_p): Return always true.
3067 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3068 (avr_emit_movmemhi): Ditto.
3069 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3070 (avr_out_movmem): Ditto.
3071 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3072 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3073 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3074 (avr_encode_section_info): Encode 'progmem' in symbol flags.
3075 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3077 2012-01-10 Richard Guenther <rguenther@suse.de>
3079 PR tree-optimization/50913
3080 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3081 Require data-refs to be representable by Graphite with respect
3084 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
3086 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3087 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3089 2012-01-10 Tom de Vries <tom@codesourcery.com>
3091 PR rtl-optimization/51271
3092 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3093 handling annulled branch.
3095 2012-01-10 Richard Henderson <rth@redhat.com>
3097 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3098 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3099 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3100 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3101 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3102 arm_expand_vec_perm_const): New.
3103 * config/arm/arm-protos.h: Update.
3104 * config/arm/neon.md (UNSPEC_VCONCAT): New.
3105 (*neon_vswp<VDQX>): New.
3106 (neon_vcombine<VDX>): Use neon_split_vcombine.
3107 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3108 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3109 (vec_perm<VE>): New.
3111 2012-01-10 Richard Henderson <rth@redhat.com>
3113 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3114 use it if reload_completed.
3115 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3116 arm_output_asm_insn, arm_process_output_memory_barrier,
3117 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3118 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3119 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3120 arm_process_output_sync_insn, arm_output_sync_insn,
3121 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3122 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3123 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3124 (emit_unlikely_jump): New.
3125 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3126 (arm_split_atomic_op): New.
3127 * config/arm/arm-protos.h: Update.
3128 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3129 (struct arm_sync_generator): Remove.
3130 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3131 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3132 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3133 (VUNSPEC_LL, VUNSPEC_SC): New.
3134 (sync_result, sync_memory, sync_required_value, sync_new_value,
3135 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3136 (attr length): Don't use arm_sync_loop_insns.
3137 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3138 (movsfcc, movdfcc): Likewise.
3139 * config/arm/constraints.md (Ua): New.
3140 * config/arm/prediates.md (mem_noofs_operand): New.
3141 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3142 (sync_clobber, sync_t2_reqd): Remove.
3143 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3144 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3145 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3146 (arm_sync_compare_and_swap<SIDI>): Remove.
3147 (arm_sync_compare_and_swap<NARROW>): Remove.
3148 (arm_sync_lock_test_and_set<SIDI>): Remove.
3149 (arm_sync_lock_test_and_set<NARROW>): Remove.
3150 (arm_sync_new_<syncop><SIDI>): Remove.
3151 (arm_sync_new_<syncop><NARROW>): Remove.
3152 (arm_sync_new_nand<SIDI>): Remove.
3153 (arm_sync_new_nand<NARROW>): Remove.
3154 (arm_sync_old_<syncop><SIDI>): Remove.
3155 (arm_sync_old_<syncop><NARROW>): Remove.
3156 (arm_sync_old_nand<SIDI>): Remove.
3157 (arm_sync_old_nand<NARROW>): Remove.
3158 (*memory_barrier): Merge arm_output_memory_barrier.
3159 (atomic_compare_and_swap<QHSD>): New.
3160 (atomic_compare_and_swap<NARROW>_1): New.
3161 (atomic_compare_and_swap<SIDI>_1): New.
3162 (atomic_exchange<QHSD>): New.
3163 (cas_cmp_operand, cas_cmp_str): New.
3164 (atomic_op_operand, atomic_op_str): New.
3165 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3166 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3167 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3168 (arm_load_exclusive<NARROW>): New.
3169 (arm_load_exclusivesi, arm_load_exclusivedi): New.
3170 (arm_store_exclusive<QHSD>): New.
3172 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
3174 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3175 reload patterns if -mvsx-scalar-memory.
3177 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3178 generated, even -mno-vsx-scalar-double was used.
3179 (vsx_xscvdpsp_scalar): Likewise.
3180 (vsx_xscvspdp_scalar2): Likewise.
3182 2012-01-09 Tom de Vries <tom@codesourcery.com>
3183 Andrew Pinski <apinski@cavium.com>
3186 * reorg.c (fill_slots_from_thread): Don't speculate
3187 frame-related insns.
3189 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
3191 * sched-int.h (bb_note): Move to...
3192 * basic-block.h: ...here.
3193 * haifa-sched.c (bb_note): Move to...
3194 * cfgrtl.c: ...here.
3195 * function.c (next_block_for_reg): New function.
3196 (move_insn_for_shrink_wrap): Likewise.
3197 (prepare_shrink_wrap): Rewrite to use the above.
3199 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
3201 * gimple.c (is_gimple_non_addressable): Remove.
3202 * gimple.h: Remove is_gimple_non_addressable.
3203 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
3204 is_gimple_non_addressable.
3205 * trans-mem.c (expand_assign_tm): Same.
3207 2012-01-09 Richard Guenther <rguenther@suse.de>
3209 PR tree-optimization/51775
3210 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
3211 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
3213 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3215 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3217 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3219 2012-01-09 Richard Guenther <rguenther@suse.de>
3221 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
3223 2012-01-08 Jan Hubicka <jh@suse.cz>
3225 PR tree-optimize/51680
3226 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
3227 on when known_vals needs to be computed; cleanup.
3229 2012-01-08 Jan Hubicka <jh@suse.cz>
3231 PR tree-optimize/51694
3232 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
3234 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
3236 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
3237 for -std=c++98 and -std=c++11 too.
3239 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
3241 * cfgloop.c (cancel_loop): Add free() of bbs array.
3243 2012-01-07 Jan Hubicka <jh@suse.cz>
3245 PR tree-optimization/51600
3246 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
3247 that benefits small functions.
3249 2012-01-07 Jan Hubicka <jh@suse.cz>
3251 * ipa-inline.c (want_inline_small_function_p): Fix formating.
3253 2012-01-07 Jan Hubicka <jh@suse.cz>
3255 PR tree-optimization/51680
3256 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
3257 whose inlining reduce unit size.
3259 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
3262 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
3263 Add canonical node to containing_mem chain after the non-canonical
3264 one, even if there weren't any locs to propagate.
3265 (remove_useless_values): Keep only canonical values.
3266 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
3267 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
3268 canonicalize mem_chain elements that are not discarded.
3270 2012-01-06 Jakub Jelinek <jakub@redhat.com>
3273 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
3274 before emitting functions.
3276 PR gcov-profile/50127
3277 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
3278 clear_aux_for_blocks.
3280 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
3283 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
3285 2012-01-06 Arnaud Charlet <charlet@adacore.com>
3287 * c-decl.c (ext_block): Moved up.
3288 (collect_all_refs, for_each_global_decl): Take ext_block into account.
3290 2012-01-06 Han Shen <shenhan@google.com>
3292 Translate built-in include paths for sysroot.
3293 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
3294 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
3296 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
3297 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
3299 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
3300 control whether sysroot should be prepended to gxx include dir.
3302 * configure: Regenerate.
3304 2012-01-06 Torvald Riegel <triegel@redhat.com>
3306 PR rtl-optimization/51771
3307 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
3308 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
3310 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3312 PR tree-optimization/51315
3313 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
3314 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
3316 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
3319 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
3320 for shrp pattern. Correctly handle and fixup shift variable.
3321 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
3323 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3326 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
3327 note when !ACCUMULATE_OUTGOING_ARGS.
3329 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3331 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
3333 (extract_range_from_unary_expr_1): Avoid useless computations.
3335 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3337 PR rtl-optimization/51767
3338 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
3339 of jump_block and add an extra edge for degenerated asm gotos.
3342 * stmt.c (check_unique_operand_names): Don't ICE during error
3343 reporting if i is from labels chain.
3346 * profile.c (branch_prob): Split bbs that have exit edge
3347 and need a fake entry edge too.
3349 2012-01-05 Jan Hubicka <jh@suse.cz>
3352 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
3355 2012-01-05 Richard Guenther <rguenther@suse.de>
3358 * tree-streamer-out.c (write_ts_optimization): New function.
3359 (streamer_write_tree_body): Call it.
3360 * tree-streamer-in.c (lto_input_ts_optimization): New function.
3361 (streamer_read_tree_body): Call it.
3362 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
3364 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3367 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
3368 * gimplify.c (gimplify_cleanup_point_expr): Save and set
3369 in_cleanup_point_expr before gimplify_stmt call and restore it
3371 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
3372 in_cleanup_point_expr is false.
3374 2012-01-05 Richard Guenther <rguenther@suse.de>
3377 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
3379 * toplev.c (process_options): Reject combining mudflap and LTO.
3380 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
3382 2012-01-05 Richard Guenther <rguenther@suse.de>
3384 PR tree-optimization/51760
3385 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
3387 (bit_value_unop): Handle UNDEFINED operands.
3388 (bit_value_binop): Likewise.
3390 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
3392 * config/avr/avr.c (avr_replace_prefix): Remove.
3393 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
3394 (avr_asm_function_rodata_section): Ditto.
3395 (avr_asm_select_section): Ditto.
3397 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
3399 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
3402 2012-01-05 Jakub Jelinek <jakub@redhat.com>
3405 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
3406 calls that have any non-fake successor edges.
3409 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
3411 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
3413 PR tree-optimization/51624
3414 * tree-sra.c (build_ref_for_model): When replicating a chain of
3415 COMPONENT_REFs, stop as soon as the offset would become negative.
3417 2012-01-04 Jakub Jelinek <jakub@redhat.com>
3420 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
3421 in .debug_loc on the floor.
3423 2012-01-04 Andrew Pinski <apinski@cavium.com>
3425 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
3427 2012-01-04 Andrew Pinski <apinski@cavium.com>
3428 Adam Nemet <anemet@caviumnetworks.com>
3430 * config/mips/mips.md (size): Add SI and DI.
3431 (SIZE): New mode attribute.
3432 (U): New code attribute.
3433 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
3434 (mips_lbux_<mode>): Delete.
3435 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
3436 (mips_lhx): Use gen_mips_lhx_extsi.
3437 (mips_lhx_<mode>): Delete.
3439 (mips_l<size>x): New expand.
3440 (mips_lwx_<mode>): Delete.
3441 (mips_l<GPR:size>x_<P:mode>): New pattern.
3442 (*mips_lw<u>x_<P:mode>_ext): Likewise.
3443 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
3444 * config/mips/mips.c (mips_lx_address_p): New function.
3445 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
3446 (dsp64): New availability predicate.
3447 (mips_builtins): Add an entry for __builtin_mips_ldx.
3448 * config/mips/mips.h (ISA_HAS_LBX): New define.
3449 (ISA_HAS_LBUX): Likewise.
3450 (ISA_HAS_LHX): Likewise.
3451 (ISA_HAS_LHUX): Likewise.
3452 (ISA_HAS_LWX): Likewise.
3453 (ISA_HAS_LWUX): Likewise.
3454 (ISA_HAS_LDX): Likewise.
3455 * doc/extend.texi (__builtin_mips_ldx): Document.
3457 2012-01-04 Tristan Gingold <gingold@adacore.com>
3459 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
3460 when long pointers are used.
3461 * config.build (*-*-*vms*): Handle all OpenVMS targets.
3462 (alpha64-dec-*vms*, alpha*-dec-*vms*)
3463 (ia64-hp-*vms*): Remove.
3464 * config/vms/xm-vms64.h: Delete.
3466 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3469 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
3471 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3473 * opts.c (finish_options): Remove duplicate sorry.
3475 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
3478 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
3481 2012-01-04 Richard Guenther <rguenther@suse.de>
3484 * tree.c (size_low_cst): New function.
3485 * tree.h (size_low_cst): Declare.
3486 * fold-const.c (fold_comparison): Use it to extract the low
3487 part of the POINTER_PLUS_EXPR offset.
3489 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
3491 Fix clearing ZERO_REG
3492 * config/avr/avr.md (cc): Add alternative "ldi".
3493 (movqi_insn): Use it in cc attribute.
3494 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
3495 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
3496 (output_reload_insisf): Use ZERO_REG to pre-clear register.
3498 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3500 * configure: Regenerate.
3502 2012-01-04 Richard Guenther <rguenther@suse.de>
3504 PR tree-optimization/49651
3505 * tree-ssa-structalias.c (type_can_have_subvars): New function.
3506 (var_can_have_subvars): Use it.
3507 (get_constraint_for_1): Only consider subfields if there can be any.
3509 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3512 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
3513 to its new canonical_cselib_val and the cselib_val was in
3514 first_containing_mem chain, but the canonical_cselib_val was not,
3515 add the latter into the chain.
3516 (cselib_invalidate_mem): Compare canonical_cselib_val of
3517 addr_list chain elt with v.
3520 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
3521 dwarf2out_undef): Allocate e.info using ggc_strdup instead
3523 (output_macinfo_op): Don't ggc_strdup fd->filename.
3524 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
3525 then ggc_strdup it. Don't free inc->info or cur->info.
3526 (output_macinfo): Don't free ref->info or file->info.
3528 2012-01-03 Ira Rosen <irar@il.ibm.com>
3530 PR tree-optimization/51269
3531 * tree-vect-loop-manip.c (set_prologue_iterations): Make
3532 first_niters a pointer.
3533 (slpeel_tree_peel_loop_to_edge): Likewise.
3534 (vect_do_peeling_for_loop_bound): Update call to
3535 slpeel_tree_peel_loop_to_edge.
3536 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
3537 here. Remove it from the parameters list.
3538 (vect_do_peeling_for_alignment): Update calls and compute
3541 2012-01-03 Richard Guenther <rguenther@suse.de>
3543 PR tree-optimization/51070
3544 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
3545 Properly handle calls.
3547 2012-01-03 Richard Guenther <rguenther@suse.de>
3549 PR tree-optimization/51692
3550 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
3551 the LHS of allocation stmts.
3553 2012-01-03 Olivier Hainque <hainque@adacore.com>
3555 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
3557 2012-01-03 Olivier Hainque <hainque@adacore.com>
3559 * collect2.c (main): In AIX specific computations for vector
3560 insertions, use CONST_CAST2 to cast from char ** to const char **.
3562 2012-01-03 Richard Guenther <rguenther@suse.de>
3565 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
3566 the context of a limbo DIE when it does not already exist.
3568 2012-01-03 Jakub Jelinek <jakub@redhat.com>
3570 PR tree-optimization/51719
3571 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
3572 but direct call is, clear direct call's lhs and don't add fallthrough
3573 edge from dcall_bb to join_bb and PHIs.
3575 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3577 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
3578 the instructions emitted by the pattern.
3579 ("*TDC_insn_<mode>"): Add comment.
3581 2012-01-03 Richard Guenther <rguenther@suse.de>
3584 * fold-const.c (fold_comparison): Properly canonicalize
3585 tree offset and HOST_WIDE_INT bit position.
3587 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
3589 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
3590 operands for extzv pattern.
3592 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3595 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
3598 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
3600 * doc/invoke.texi (-flto and related options): Copy-edit.
3602 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3604 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
3606 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3608 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
3611 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3613 * expr.h (move_by_pieces_ninsns): Declare.
3614 * expr.c (move_by_pieces_ninsns): Make external.
3615 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
3616 (mips_store_by_pieces_p): Likewise.
3617 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
3618 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
3619 * config/mips/mips.c (mips_move_by_pieces_p): New function.
3620 (mips_store_by_pieces_p): Likewise.
3622 2012-01-02 Jakub Jelinek <jakub@redhat.com>
3624 * passes.c (register_one_dump_file): Free full_name.
3626 * reload1.c (reload): Don't allocate reg_max_ref_width here.
3627 (calculate_elim_costs_all_insns): Free offsets_at and
3628 offsets_known_at at the end and clear the pointers.
3630 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3632 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
3633 this option introduced in r180739.
3635 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3638 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
3639 (tmake_file target=avr): Add avr/t-multilib.
3641 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
3642 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
3643 * config/avr/genmultilib.awk: New file.
3644 * config/avr/t-multilib: New auto-generated file.
3645 * config/avr/multilib.h: New auto-generated file.
3646 * config/avr/t-avr (AVR_MCUS): New variable.
3647 (genopt.sh): Use it.
3648 (s-mlib): Depend on t-multilib.
3649 (t-multilib, multilib.h): New dependencies.
3650 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
3651 (MULTILIB_OPTIONS): Remove.
3652 (MULTILIB_MATCHES): Remove.
3653 (MULTILIB_DIRNAMES): Remove.
3654 (MULTILIB_EXCEPTIONS): Remove:
3655 * config/avr/genopt.sh: Don't use hard coded file name;
3656 pass AVR_MCUS from t-avr instead.
3658 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3660 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
3662 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
3664 Implement light-weight DImode support.
3665 * config/avr/avr-dimode.md: New file.
3666 * config/avr/avr.md: Include it.
3667 (adjust_len): Add plus64, compare64.
3668 (HIDI): Remove code iterator.
3669 (code_stdname): New code attribute.
3670 (rotx, rotsmode): Remove DI.
3671 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
3673 * config/avr/avr-protos.h (avr_have_dimode): New.
3674 (avr_out_plus64, avr_out_compare64): New.
3675 * config/avr/avr.c (avr_out_compare): Handle DImode.
3676 (avr_have_dimode): New variable definition and initialization.
3677 (avr_out_compare64, avr_out_plus64): New functions.
3678 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
3679 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
3680 (avr_compare_pattern): Skip DImode comparisons.
3682 2012-01-02 Revital Eres <revital.eres@linaro.org>
3684 * ddg.c (def_has_ccmode_p): New function.
3685 (add_cross_iteration_register_deps,
3686 create_ddg_dep_from_intra_loop_link): Call it.
3688 2012-01-02 Richard Guenther <rguenther@suse.de>
3691 * invoke.texi (fassociative-math): Remove spurious paranthesis.
3693 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3695 * gcc.c (process_command): Update copyright notice dates.
3696 * gcov.c (print_version): Likewise.
3697 * gcov-dump.c (print_version): Likewise.
3698 * mips-tfile.c (main): Likewise.
3699 * mips-tdump.c (main): Likewise.
3701 2012-01-01 Ira Rosen <irar@il.ibm.com>
3703 PR tree-optimization/51704
3704 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
3705 a use is inside the basic block or loop before accessing its vect info.
3707 2012-01-01 Jan Hubicka <jhjh@suse.cz>
3709 PR rtl-optimization/51069
3710 * cfgloopmanip.c (remove_path): Removing path making irreducible
3711 region unconditional makes BB part of the region.
3713 2012-01-01 Jakub Jelinek <jakub@redhat.com>
3715 PR tree-optimization/51683
3716 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
3717 calls with side-effects.
3718 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
3720 Copyright (C) 2012 Free Software Foundation, Inc.
3722 Copying and distribution of this file, with or without modification,
3723 are permitted in any medium without royalty provided the copyright
3724 notice and this notice are preserved.