1 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3 * config.gcc (mips*-*-openbsd*): Remove.
4 * config/mips/openbsd.h: Remove.
5 * config/mips/sdb.h: Remove.
7 * config/mips/mips.h (SDB_OUTPUT_SOURCE_LINE): Remove.
8 * config/mips/mips.c (sdb_label_count): Remove.
9 (mips_debugger_offset): Remove #if 0 code.
10 (mips_output_function_prologue) [SDB_DEBUGGING_INFO]: Remove.
11 * config/mips/sde.h (SDB_DEBUGGING_INFO): Don't undef.
13 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
15 * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
17 (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
18 Update binutils references.
19 (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
20 Update binutils reference.
21 Update Sun as/GNU ld caveat.
22 Document binutils largefile requirement for LTO plugin.
23 Remove reference to alternate libpthread.
25 2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
27 * config.gcc (alpha*-dec-osf5.1*): Remove.
28 * config.host (alpha*-dec-osf*): Remove.
29 * configure.ac (*-*-osf*): Remove.
30 (alpha*-dec-osf*): Remove.
31 * configure: Regenerate.
33 * config/alpha/host-osf.c, config/alpha/osf5.h,
34 config/alpha/osf5.opt, config/alpha/va_list.h, config/alpha/x-osf:
37 * config/alpha/alpha.h (TARGET_LD_BUGGY_LDGP): Remove.
38 * config/alpha/alpha.c (struct machine_function): Update comment.
39 (alpha_start_function): Remove Tru64 UNIX as handling for
41 * config/alpha/alpha.md ("exception_receiver"): Remove
43 ("*exception_receiver_2"): Likewise.
44 * except.c (finish_eh_generation): Remove Tru64 reference.
45 * ginclude/stdarg.h [_HIDDEN_VA_LIST]: Don't undef _VA_LIST.
46 * system.h (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Poison.
47 * target.def (handle_pragma_extern_prefix): Remove.
49 * Makefile.in (mips-tfile.o-warn): Remove.
50 (ALL_HOST_BACKEND_OBJS): Remove mips-tfile.o, mips-tdump.o.
51 (mips-tfile, mips-tfile.o, mips-tdump, mips-tdump.o): Remove.
52 * mips-tdump.c, mips-tfile.c: Remove.
54 * doc/extend.texi (Symbol-Renaming Pragmas): Remove #pragma
56 * doc/install.texi (Binaries): Remove Tru64 UNIX reference.
57 (Specific, alpha*-dec-osf5.1): Note removal.
58 * doc/tm.texi.in (Misc, TARGET_HANDLE_PRAGMA_EXTERN_PREFIX):
60 * doc/tm.texi: Regenerate.
61 * doc/trouble.texi (Cross-Compiler Problems): Remove.
63 2012-03-12 Richard Guenther <rguenther@suse.de>
65 * config/arm/arm.c (neon_dereference_pointer): Do not call
66 covert during RTL expansion.
68 2012-03-12 Tristan Gingold <gingold@adacore.com>
70 * doc/invoke.texi (VMS Options): Merge Alpha/VMS and IA-64/VMS
71 Options. Mention -mpointer-size.
73 2012-03-12 Richard Guenther <rguenther@suse.de>
75 * config/alpha/alpha.c (alpha_gimplify_va_arg): Use
76 build_nonstandard_integer_type.
78 2012-03-12 Richard Guenther <rguenther@suse.de>
80 * tree.c (signed_or_unsigned_type_for): Use
81 build_nonstandard_integer_type.
82 (signed_type_for): Adjust documentation.
83 (unsigned_type_for): Likewise.
84 * tree-pretty-print.c (dump_generic_node): Use standard names
85 for non-standard integer types if available.
87 2012-03-12 Tristan Gingold <gingold@adacore.com>
89 * config/vms/vms.opt: Add vms-opts.h header.
90 (mmalloc64): Use flag_vms_malloc64 flag instead of MALLOC64
92 (-mvms-return-codes): Document.
93 (-mpointer-size): New option.
94 (vms_pointer_size): Add enumeration.
95 * config/vms/vms-opts.h: New file.
96 * config/vms/vms.h (TARGET_OS_CPP_BUILTINS): Define
97 __INITIAL_POINTER_SIZE.
98 (POINTER_SIZE, SIZE_TYPE, PTRDIFF_TYPE): Adjust definition.
99 (C_COMMON_OVERRIDE_OPTIONS): Define.
100 (DWARF2_ADDR_SIZE): Define.
101 * config/vms/vms.c (vms_patch_builtins): Adjust condition.
102 * config/vms/vms-protos.h (vms_c_common_override_options):
104 * config/vms/vms-c.c (vms_pragma_pointer_size): Ignore pragma
105 if -mno-pointer-size.
106 (vms_c_common_override_options): New function.
107 * config/ia64/vms.h (TARGET_DEFAULT): Remove MASK_MALLOC64.
108 * config/alpha/vms.h (TARGET_DEFAULT): Remove MASK_MALLOC64.
109 (MALLOC_ABI_ALIGNMENT): Use flag_vms_malloc64
110 and flag_vms_pointer_size.
111 (MASK_RETURN_ADDR): Set according to flag_vms_pointer_size.
112 * config.gcc (*-*-*vms*): Define xm_file.
113 (alpha*-dec-*vms*): Do not define xm_file.
114 (alpha64-dec-*vms*): Remove.
115 (ia64-hp-*vms*): Do not define xm_file. Simplify tm_file
118 2012-03-12 Jakub Jelinek <jakub@redhat.com>
120 PR tree-optimization/51721
121 * tree-vrp.c (register_edge_assert_for_2): Add asserts for unsvar
122 if (int) unsvar cmp CST.
124 2012-03-12 Richard Guenther <rguenther@suse.de>
126 * tree-sra.c (create_access_replacement): Only rename the
127 replacement if we can rewrite it into SSA form. Properly
128 mark register typed replacements that we cannot rewrite
129 with TREE_ADDRESSABLE.
130 * tree-cfg.c (verify_expr): Fix BIT_FIELD_REF verification
131 for aggregate or BLKmode results.
133 2012-03-12 Jakub Jelinek <jakub@redhat.com>
135 PR tree-optimization/52533
136 * tree-vrp.c (register_edge_assert_for_2): Use double_int
137 type for mask, only handle shifts by non-zero in-range
138 shift count, for LE_EXPR and GT_EXPR if new_val is
139 maximum, don't add the assertion.
141 2012-02-12 Kirill Yukhin <kirill.yukhin@intel.com>
143 * doc/invoke.texi: Document -mrtm option.
144 * common/config/i386/i386-common.c (OPTION_MASK_ISA_RTM_SET):
146 (OPTION_MASK_ISA_RTM_UNSET): Ditto.
147 (ix86_handle_option): Handle OPT_mrtm.
148 * config.gcc (i[34567]86-*-*): Add rtmintrin.h and
151 * i386-builtin-types.def (INT_FTYPE_VOID): New.
152 * config/i386/i386-c.c (ix86_target_macros_internal): Define
154 (ix86_target_string): Define -mrtm option.
156 (ix86_option_override_internal): Extend "corei7-avx" with
157 RTM option. Handle new option.
158 (ix86_valid_target_attribute_inner_p): Add OPT_mrtm.
159 (ix86_builtins): Add IX86_BUILTIN_XBEGIN, IX86_BUILTIN_XEND,
161 (bdesc_special_args): Ditto.
162 (ix86_init_mmx_sse_builtins): Add IX86_BUILTIN_XABORT.
163 (ix86_expand_special_args_builtin): Handle new built-in type.
164 (ix86_expand_builtin): Handle XABORT instruction.
165 * config/i386/i386.h (TARGET_RTM): New.
166 * config/i386/i386.md (UNSPECV_XBEGIN): New.
167 (UNSPECV_XEND): Ditto.
168 (UNSPECV_XABORT): Ditto.
169 (UNSPECV_XTEST): Ditto.
176 * config/i386/i386.opt (mrtm): New.
177 * config/i386/immintrin.h: Include rtmintrin.h and
179 * config/i386/rtmintrin.h: New header.
180 * config/i386/xtestintrin.h: Ditto.
182 2012-03-12 Tristan Gingold <gingold@adacore.com>
184 * ginclude/stddef.h: Adjust previous patch. Use __VMS__ instead
187 2012-03-12 Uros Bizjak <ubizjak@gmail.com>
189 * config/i386/i386.md (setcc + movzbl to xor + setcc peephole2):
190 Also convert sequences with CC setting arithmetic instruction.
192 2012-03-11 Sandra Loosemore <sandra@codesourcery.com>
194 * doc/invoke.texi (Option Summary): Move -no-integrated-cpp
195 from C Language Options to Preprocessor Options.
196 (C Dialect Options): Move -no-integrated-cpp documentation
198 (Preprocessor Options): ...to here. Rewrite the description
199 so it makes more sense, and remove discussion of merging
202 2012-03-11 H.J. Lu <hongjiu.lu@intel.com>
204 * config/i386/i386.c (ix86_expand_movmem): Use word_mode for size
206 (ix86_expand_setmem): Likewise.
208 2012-03-11 Uros Bizjak <ubizjak@gmail.com>
210 * config/i386/i386.c (ix86_zero_extend_to_Pmode): Rewrite using
213 2012-03-11 H.J. Lu <hongjiu.lu@intel.com>
215 * config/i386/i386.c (ix86_trampoline_init): Use movl for 64bit if
216 ptr_mode == SImode. Replace DImode with Pmode or ptr_mode.
218 2012-03-11 H.J. Lu <hongjiu.lu@intel.com>
220 * config/i386/i386.c (x86_this_parameter): Replace DImode with Pmode.
222 2012-03-11 H.J. Lu <hongjiu.lu@intel.com>
224 * config/i386/i386.md (lwp_slwpcb): Check Pmode instead of
227 2012-03-11 H.J. Lu <hongjiu.lu@intel.com>
228 Uros Bizjak <ubizjak@gmail.com>
230 * config/i386/predicates.md (call_insn_operand): Allow
231 constant_call_address_operand in Pmode only.
232 (sibcall_insn_operand): Ditto.
233 * config/i386/i386.md (*call): Use W mode iterator instead of P mode.
234 (*call_vzeroupper): Ditto.
236 (*sibcall_vzeroupper): Ditto.
237 (*call_value): Ditto.
238 (*call_value_vzeroupper): Ditto.
239 (*sibcall_value): Ditto.
240 (*sibcall_value_vzeroupper): Ditto.
241 (*indirect_jump): Ditto.
242 (*tablejump_1): Ditto.
243 (indirect_jump): Convert memory address to word mode for TARGET_X32.
245 * config/i386/i386.c (ix86_expand_call): Convert indirect operands
248 2012-03-11 Oleg Endo <olegendo@gcc.gnu.org>
251 * config/sh/sh.md (movnegt): Expand into respective insns immediately.
252 Use movrt_negc instead of negc pattern for non-SH2A.
254 (*movrt_negc, *negnegt, *movtt, *movt_qi): New insns and splits.
256 2012-03-10 H.J. Lu <hongjiu.lu@intel.com>
258 * config/i386/i386.c (ix86_decompose_address): Disallow fs:(reg)
259 if Pmode != word_mode.
260 (legitimize_tls_address): Call gen_tls_initial_exec_x32 if
261 Pmode == SImode for TARGET_X32.
263 * config/i386/i386.md (UNSPEC_TLS_IE_X32): New.
264 (tls_initial_exec_x32): Likewise.
266 2012-03-10 Chung-Lin Tang <cltang@codesourcery.com>
268 PR rtl-optimization/52528
269 * combine.c (can_combine_p): Add setting of subst_low_luid
270 before call to expand_field_assignment().
272 2012-03-09 Sandra Loosemore <sandra@codesourcery.com>
274 * doc/invoke.texi: Use correct names/markup for "GCC", "GDB", "ld",
275 and related program names.
277 2012-03-09 Sandra Loosemore <sandra@codesourcery.com>
279 * doc/invoke.texi: Use correct names for "DWARF", "stabs", and "ELF".
281 2012-03-09 Uros Bizjak <ubizjak@gmail.com>
284 * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
285 (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
287 * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
288 (*movdi_internal_rex64): Use %E operand modifier for lea.
289 (*movsi_internal): Ditto.
291 (*lea<mode>_2): Ditto.
292 (*lea_{3,4,5,6}_zext): Ditto.
293 (*tls_global_dynamic_32_gnu): Ditto.
294 (*tls_global_dynamic_64): Ditto.
295 (*tls_dynamic_gnu2_lea_32): Ditto.
296 (*tls_dynamic_gnu2_lea_64): Ditto.
297 (pro_epilogue_adjust_stack_<mode>_add): Ditto.
299 2012-03-09 Michael Meissner <meissner@linux.vnet.ibm.com>
301 * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
302 redefine to be NULL if the current bit-size is different from the
305 * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
306 cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
307 set the default tuning. Add asserts to make sure the cpu and tune
308 indexes are defined. Fix tests for cpu/tune index to use >= 0 to
309 test whether the index is set, instead of > 0.
310 (rs6000_file_start): Do not reset the default cpu if the current
311 bit-size is different from the configured bit-size.
313 2012-03-09 Tristan Gingold <gingold@adacore.com>
315 * config/vms/vms-crtlmap.map: Add comments.
316 Add entries needed to build Ada RTS.
318 2012-03-09 Tristan Gingold <gingold@adacore.com>
320 * ginclude/stddef.h: Do not define __size_t on VMS.
322 2012-03-09 Tristan Gingold <gingold@adacore.com>
324 * c-tree.h (c_default_pointer_mode): New variable.
325 * c-decl.c (c_default_pointer_mode): New variable.
326 (c_build_pointer_type): New function.
327 (grokdeclarator): Call c_build_pointer_type instead
328 of build_pointer_type.
330 * config/vms/vms-c.c: Include c-tree.h
331 (saved_pointer_mode): New variable.
332 (handle_pragma_pointer_size): New function.
333 (vms_pragma_pointer_size, vms_pragma_required_pointer_size): Likewise.
334 (vms_c_register_pragma): Register __pointer_size and
335 __required_pointer_size pragmas.
337 2012-03-09 Tristan Gingold <gingold@adacore.com>
339 * config/vms/vms-c.c (vms_construct_include_filename): New function.
340 (vms_c_register_includes): Reference it.
342 2012-03-09 Andrew Pinski <apinski@cavium.com>
345 * tree-ssa-phiopt.c: Include tree-pretty-print.h for
347 (tree_ssa_phiopt_worker): Go through all the PHIs for
348 value_replacement instead of just the singleton one.
349 (value_replacement): Change return type to int. Return 0 instead of
351 Allow the middle basic block to contain more than just the defining
353 Handle non empty middle basic blocks.
354 * Makefile.in (tree-ssa-phiopt.o): Add tree-pretty-print.h.
356 2012-03-09 Jiangning Liu <jiangning.liu@arm.com>
358 * tree-scalar-evolution (interpret_rhs_expr): generate chrec for
359 array reference and component reference.
360 (analyze_scalar_evolution_for_address_of): New.
362 2012-03-08 Jie Zhang <jzhang918@gmail.com>
365 * config/bfin/bfin.c (hwloop_optimize): Fix unused variable warnings.
366 (hwloop_pattern_reg): Fix set but not used warning.
367 (bfin_reorg_loops): Remove unused parameter.
368 (bfin_reorg): Update use of bfin_reorg_loops.
370 2012-03-08 H.J. Lu <hongjiu.lu@intel.com>
372 * config/i386/i386.c (setup_incoming_varargs_64): Use word_mode
373 with integer parameters in registers.
374 (gen_push): Push register in word_mode instead of Pmode.
375 (ix86_emit_save_regs): Likewise.
376 (ix86_emit_save_regs_using_mov): Save integer registers in word_mode.
377 (gen_pop): Pop register in word_mode instead of Pmode.
378 (ix86_emit_restore_regs_using_pop): Likewise.
379 (ix86_expand_prologue): Replace Pmode with word_mode for push
380 immediate. Use ix86_gen_pro_epilogue_adjust_stack. Save and
381 restore RAX and R10 in word_mode.
382 (ix86_emit_restore_regs_using_mov): Restore integer registers
384 (ix86_expand_split_stack_prologue): Save R10_REG and restore in
386 (ix86_split_to_parts): Use word_mode with PUT_MODE for push.
387 (ix86_split_long_move): Likewise.
389 * config/i386/i386.md (W): New.
390 (*push<mode>2_prologue): Replace :P with :W.
391 (*pop<mode>1): Likewise.
392 (*pop<mode>1_epilogue): Likewise.
393 (push/pop peephole2): Use word_mode scratch registers.
395 2012-03-08 Uros Bizjak <ubizjak@gmail.com>
397 * config/i386/predicates.md (indirect_branch_operand): Simplify.
399 2012-03-08 Georg-Johann Lay <avr@gjlay.de>
401 * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
402 for constants in [-63,63].
404 2012-03-08 Uros Bizjak <ubizjak@gmail.com>
408 2012-03-04 H.J. Lu <hongjiu.lu@intel.com>
410 * config/i386/i386.c (ix86_print_operand_address): Only handle
411 zero-extended DImode addresses.
413 2012-03-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
415 * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
416 * configure: Regenerate.
418 2012-03-08 Georg-Johann Lay <avr@gjlay.de>
421 * config/avr/avr.c (avr_mem_clobber): New static function.
422 (avr_expand_delay_cycles): Add memory clobber operand to
423 delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
424 * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
425 (enable_interrupt, disable_interrupt): New expander.
426 (nopv, sleep, wdr): New expanders.
427 (delay_cycles_1): Add memory clobber.
428 (delay_cycles_2): Add memory clobber.
429 (delay_cycles_3): Add memory clobber.
430 (delay_cycles_4): Add memory clobber.
431 (cli_sei): New insn from former "enable_interrupt",
432 "disable_interrupt" with memory clobber.
433 (*wdt): New insn from former "wdt" with memory clobber.
434 (*nopv): Similar, but for "nopv".
435 (*sleep): Similar, but for "sleep".
437 2012-03-07 Oleg Endo <olegendo@gcc.gnu.org>
438 Kaz Kojima <kkojima@gcc.gnu.org>
441 * config/sh/sh.opt (msoft-atomic): Use Var instead of Mask.
442 * config/sh/linux.h (TARGET_DEFAULT): Remove MASK_SOFT_ATOMIC.
443 (SUBTARGET_OVERRIDE_OPTIONS): Define.
445 2012-03-07 Uros Bizjak <ubizjak@gmail.com>
447 * config/i386/predicates.md (x86_64_zext_general_operand): New.
448 * config/i386/i386.md (*zero_extendsidi2_rex64): Change operand 1
449 predicate to x86_64_zext_general_operand. Accept "Z" constraint.
451 2012-03-07 Walter Lee <walt@tilera.com>
453 * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
454 REG_CFA_* notes for the stack pointer.
455 (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
456 EH_RETURN_STACKADJ_RTX.
457 * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
458 generate REG_CFA_* notes for the stack pointer.
459 (tilepro_expand_epilogue): Restore stack pointer by adjusting it
460 by EH_RETURN_STACKADJ_RTX.
462 2012-03-07 Georg-Johann Lay <avr@gjlay.de>
464 * doc/invoke.texi (AVR Built-in Macros): Correct condition for
465 when __AVR_3_BYTE_PC__ is defined.
467 2012-03-07 Uros Bizjak <ubizjak@gmail.com>
469 * config/i386/i386.c (ix86_print_operand_punct_valid_p): Add '^'.
470 (ix86_print_operand): Handle '^'.
471 * config/i386/i386.md (*strmovdi_rex_1): Macroize memory operands
472 using P mode iterator. Add %^ to asm template to conditionally emit
474 (*rep_movdi_rex64): Ditto.
475 (*strsetdi_rex_1): Ditto.
476 (*rep_stosdi_rex64): Ditto.
477 (*strmov{si,hi,qi}_1): Add %^ to asm template to
478 conditionally emit addr32 prefix.
479 (*rep_mov{si,qi}): Ditto.
480 (*strset{si,hi,qi}): Ditto.
481 (*rep_stos{si,qi}): Ditto.
482 (*cmpstrnqi_nz_1): Ditto.
483 (*cmpstrnqi_1): Ditto.
484 (*strlenqi_1): Ditto.
486 2012-03-07 H.J. Lu <hongjiu.lu@intel.com>
488 * config/i386/i386.c (function_value_64): Return pointers in
489 word_mode instead of Pmode.
490 (ix86_promote_function_mode): Likewise.
492 2012-03-07 Richard Guenther <rguenther@suse.de>
494 * coverage.c (get_gcov_type): Use type_for_mode.
495 (get_gcov_unsigned_t): Likewise.
496 * expr.c (store_constructor): Use type_for_mode.
497 (try_casesi): Likewise.
498 * tree-ssa-loop-ivopts.c (add_standard_iv_candidates_for_size): Remove.
499 (add_standard_iv_candidates): Use standard type trees.
500 * dojump.c (do_jump): Remove dead code.
502 2012-03-07 Richard Guenther <rguenther@suse.de>
504 * c-typeck.c (pointer_diff): Use c_common_type_for_size.
506 2012-03-07 Richard Guenther <rguenther@suse.de>
508 * convert.c (strip_float_extensions): Move ...
509 * tree.c (strip_float_extensions): ... here.
511 2012-03-07 Georg-Johann Lay <avr@gjlay.de>
514 * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
516 2012-03-07 Richard Guenther <rguenther@suse.de>
518 * omp-low.c (extract_omp_for_data): Use signed_type_for.
519 (expand_omp_for_generic): Likewise.
520 (expand_omp_for_static_nochunk): Likewise.
521 (expand_omp_for_static_chunk): Likewise.
522 * tree-vect-stmts.c (vect_gen_perm_mask): Use type_for_mode.
523 * tree-vect-slp.c (vect_transform_slp_perm_load): Likewise.
524 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop):
525 Use unsigned_type_for.
526 (vect_create_cond_for_align_checks): Use signed_type_for.
528 2012-03-07 Andrey Belevantsev <abel@ispras.ru>
530 PR rtl-optimization/52203
531 * sel-sched.c (estimate_insn_cost): New parameter pempty. Adjust
532 all callers to pass NULL except ...
533 (reset_sched_cycles_in_current_ebb): ... here, save the value
534 in new variable 'empty'. Increase issue_rate only for
537 2012-03-07 Ralf Corsépius <ralf.corsepius@rtems.org>
540 * Makefile.in: Let install-gcc-ar depend on installdirs,
541 gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
542 Don't double canonicalize if cross-compiling.
544 2012-03-07 Georg-Johann Lay <avr@gjlay.de>
547 * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
548 to: RAMPZ, RAMPY, RAMPX, RAMPD.
549 (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
551 2012-03-07 Georg-Johann Lay <avr@gjlay.de>
554 * config/avr/avr.c (avr_out_xload): Don't read unintentionally
556 * config/avr/avr.md (xload_8): Adjust insn length.
558 2012-03-07 Georg-Johann Lay <avr@gjlay.de>
561 * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
562 if RAMPZ affects reading from RAM.
564 2012-03-07 Richard Guenther <rguenther@suse.de>
568 * doc/invoke.texi (Precompiled Headers): Remove sentence that
569 suggests you can include PCHs from inside another header.
571 2012-03-07 Richard Sandiford <rdsandiford@googlemail.com>
574 * rtl.h (pc_rtx, cc0_rtx, ret_rtx, simple_return_rtx): Add GTY markers.
576 2012-03-07 Kai Tietz <ktietz@redhat.com>
578 * doc/invoke.texi (fwritable-relocated-rdata): Document
579 new Cygwin/MinGW target option.
580 * config/i386/winnt.c (i386_pe_unique_section): Ignore
581 reloc if flag -fwritable-relocated-rdata is not set.
582 (i386_pe_section_type_flags): Likewise.
583 * config/i386/cygming.opt (fwritable-relocated-rdata):
584 Add new flag variable flag_writable_rel_rdata.
586 2012-03-07 Richard Guenther <rguenther@suse.de>
588 * tree-ssa-math-opts.c (convert_mult_to_widen): Check actual
589 precision against gimple constraints.
591 2012-03-06 Richard Sandiford <rdsandiford@googlemail.com>
594 * rtl.h (pc_rtx, ret_rtx, simple_return_rtx, cc0_rtx): Redefine as
596 (GR_PC, GR_CC0, GR_RETURN, GR_SIMPLE_RETURN): Delete.
597 * emit-rtl.c (pc_rtx, ret_rtx, simple_return_rtx, cc0_rtx): New
599 (init_emit_regs): Move associated initialization to...
600 (init_emit_once): ...here.
602 2012-03-06 Richard Henderson <rth@redhat.com>
604 * config/m68k/m68k.h (ISA_HAS_TAS): New.
605 * config/m68k/sync.md (atomic_test_and_set): Use it.
606 (atomic_test_and_set_1): Likewise.
608 2012-03-06 Michael Meissner <meissner@linux.vnet.ibm.com>
611 * config/rs6000/vector.md (vector_uneq<mode>): Add support for
612 UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
613 (vector_ltgt<mode>): Likewise.
614 (vector_ordered<mode>): Likewise.
615 (vector_unordered<mode>): Likewise.
616 * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
618 2012-03-06 Aldy Hernandez <aldyh@redhat.com>
620 * trans-mem.c: New typedef for tm_region_p.
621 Define vector types for tm_region_p.
622 (tm_region_init): Replace region_worklist to a vector called
625 2012-03-06 Richard Guenther <rguenther@suse.de>
627 * fold-const.c (build_fold_addr_expr_with_type_loc): Fold
628 MEM_REF with constant pointer operand.
630 2012-03-06 Richard Guenther <rguenther@suse.de>
633 * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
635 2012-03-06 Tristan Gingold <gingold@adacore.com>
637 * config/vms/vms-c.c (vms_pragma_nomember_alignment): Handle octaword.
638 (external_model_kind): Improve documentation.
639 (vms_pragma_extern_model): Handle relaxed_redef.
640 (vms_c_register_pragma): Allow expansion for nomember_alignment.
642 2012-03-06 Georg-Johann Lay <avr@gjlay.de>
644 * doc/invoke.texi (AVR Options): -mmcu=: Document the XMEGA cores.
645 Explain RAMPD, RAMPX, RAMPDY, RAMPZ usage by avr-gcc.
646 Some more notes on EIND usage and reorder EIND subsection.
648 2012-03-06 Tristan Gingold <gingold@adacore.com>
650 * config/vms/vms.c (VMS_CRTL_LDBL): Rename from VMS_CRTL_PRNTF.
651 * config/vms/vms-crtlmap.map: Rename PRNTF to LDBL.
653 2012-03-06 Tristan Gingold <gingold@adacore.com>
655 * config/vms/t-vmsnative (version): Define.
656 * config/vms/t-vms (STMP_FIXPROTO, STMP_FIXINC, version): Remove.
658 2012-03-06 Andrey Belevantsev <abel@ispras.ru>
660 PR rtl-optimization/52250
661 * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
662 to put note list into. Unconditionally call move_bb_info.
663 (move_bb_info): Do not assert the blocks being in the same region,
664 just drop the note list if they are not.
666 2012-03-06 Oleg Endo <olegendo@gcc.gnu.org>
669 * config/sh/sh.c (sh_expand_t_scc): Remove SH2A special case
670 and use unified expansion logic.
671 * config/sh/sh.md (xorsi3_movrt): Rename to movrt. Move
672 closer to the existing movt insn.
673 (negc): Rename insn to *negc. Add new expander.
674 (movnegt): Use xor pattern for T bit negation. Reserve helper
675 constant for negc pattern.
676 (*movnegt): New insn and splitter.
678 2012-03-05 Bernd Schmidt <bernds@codesourcery.com>
680 * c-typeck.c (pointer_diff): Check for POINTER_PLUS_EXPR, not
683 2012-03-05 Richard Henderson <rth@redhat.com>
685 * genemit.c (main): Include "target.h" in insn-emit.c.
686 * Makefile.in (insn-emit.o): Depend on TARGET_H.
687 * config/sh/sync.md (atomic_test_and_set): Reference
688 targetm.atomic_test_and_set_trueval instead of
689 TARGET_ATOMIC_TEST_AND_SET_TRUEVAL.
691 2012-03-05 Joern Rennecke <joern.rennecke@embecosm.com>
693 * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
696 2012-03-05 Steven Bosscher <steven@gcc.gnu.org>
698 * langhooks.c (add_builtin_type): New function.
699 * langhooks.h (add_builtin_type): Export it.
700 * config/mep/mep.c (mep_init_builtins): Use it.
701 * config/rs6000/rs6000.c (rs6000_init_builtins): Use it.
703 2012-03-05 Jakub Jelinek <jakub@redhat.com>
706 * tree.h (BLOCK_SAME_RANGE): Define.
707 * function.c (block_fragments_nreverse): Clear BLOCK_SAME_RANGE
708 if BLOCK_FRAGMENT_CHAIN is non-NULL, but has it cleared.
709 Also clear BLOCK_SAME_RANGE if fragment chain's supercontext fragment
710 isn't equal to supercontext fragment's fragment chain.
711 Adjust BLOCK_SUPERCONTEXT to point to supercontext fragment's
713 (blocks_nreverse_all): Likewise.
714 (reorder_blocks_1): Compute BLOCK_SAME_RANGE bits. Set
715 BLOCK_SUPERCONTEXT to supercontext fragment instead of
716 supercontext fragment's fragment origin.
717 * dwarf2out.c (add_high_low_attributes): If stmt has the same
718 range as its parent (or parents thereof etc.), use the parent's
719 DW_AT_ranges value instead of creating a new .debug_ranges range.
721 2012-03-05 Richard Henderson <rth@redhat.com>
724 Revert: 2011-11-26 Richard Henderson <rth@redhat.com>
725 * omp-low.c (expand_omp_atomic): Assume anything aligned to
726 BIGGEST_ALIGNMENT is aligned.
728 2012-03-05 Richard Henderson <rth@redhat.com>
730 * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Move...
731 * config/sh/sh.c: ... here.
733 2012-03-05 Richard Henderson <rth@redhat.com>
736 * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
737 instead of calling negqi2 directly.
739 2012-03-05 Aldy Hernandez <aldyh@redhat.com>
742 * trans-mem.c (tm_region_init): Use last_basic_block.
744 2012-03-05 Oleg Endo <olegendo@gcc.gnu.org>
746 * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
747 * config/sh/sync.md (atomic_test_and_set): New expander.
748 (tasb, atomic_test_and_set_soft): New insns.
749 * config/sh/sh.opt (menable-tas): New option.
750 * doc/invoke.texi (SH Options): Document it.
752 2012-03-05 Richard Guenther <rguenther@suse.de>
754 * cfgloop.c (verify_loop_structure): Verify dominators before
756 * graphite-clast-to-gimple.c (graphite_verify): Do not verify
757 dominators from here.
758 * graphite-scop-detection.c (create_sese_edges): Likewise.
759 * loop-doloop.c (doloop_optimize_loops): Likewise.
760 * loop-init.c (loop_optimizer_init): Likewise.
761 * loop-unroll.c (unroll_and_peel_loops): Likewise.
762 * loop-unswitch.c (unswitch_loops): Likewise.
763 * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
764 * tree-parloops.c (parallelize_loops): Likewise. Verify
765 only when checking is enabled.
766 * tree-loop-distribution.c (tree_loop_distribution): Likewise.
768 2012-03-05 Bernd Schmidt <bernds@codesourcery.com>
770 * genautomata.c (parse_automata_opt): New static function.
771 (initiate_automaton_gen): Remove all option handling code. Remove
772 argc argument. All callers changed.
773 (main): Call init_rtx_reader_args_cb with the new function as argument.
775 2012-03-05 Richard Guenther <rguenther@suse.de>
777 * cfgexpand.c (gimple_expand_cfg): Free dominator info.
778 * tree-if-conv.c (combine_blocks): Free post-dominator info
780 * tree-parloops.c (create_parallel_loop): Free and re-compute
781 dominator info after breaking it.
783 2012-03-05 Richard Guenther <rguenther@suse.de>
786 * optabs.h (trapv_unoptab_p): New function.
787 (trapv_binoptab_p): Likewise.
788 * optabs.c (expand_binop): Use emit_libcall_block_1 with
789 a proper equiv_may_trap argument.
790 (expand_unop): Likewise.
791 (emit_libcall_block_1): Take extra argument whether the
792 instruction may trap. Renamed from ...
793 (emit_libcall_block): ... this. New wrapper.
795 2012-03-05 Jakub Jelinek <jakub@redhat.com>
797 PR tree-optimization/51721
798 * tree-vrp.c (register_edge_assert_for_2): If comparing
799 lhs of right shift by constant with an integer constant,
800 add ASSERT_EXPRs for the rhs1 of the right shift.
802 * cfgrtl.c (cfg_layout_merge_blocks): Cleanup.
804 2012-03-05 Richard Guenther <rguenther@suse.de>
806 * tree.c (integer_zerop): Handle VECTOR_CSTs.
807 (integer_onep): Likewise.
808 (integer_all_onesp): Likewise.
810 2012-03-05 Georg-Johann Lay <avr@gjlay.de>
812 * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
814 2012-03-04 H.J. Lu <hongjiu.lu@intel.com>
816 * config/i386/i386.c (pro_epilogue_adjust_stack): Check Pmode
817 instead of TARGET_64BIT.
819 2012-03-04 H.J. Lu <hongjiu.lu@intel.com>
821 * config/i386/i386.c (ix86_expand_prologue): Check Pmode to set
824 2012-03-04 H.J. Lu <hongjiu.lu@intel.com>
826 * config/i386/i386.c (ix86_print_operand_address): Only handle
827 zero-extended DImode addresses.
829 2012-03-04 Uros Bizjak <ubizjak@gmail.com>
831 * config/i386/i386.c (ix86_print_operand) <case '+'>: Declare
832 taken and cputaken as bool.
834 2012-03-04 Uros Bizjak <ubizjak@gmail.com>
836 * config/i386/constraints.md (Ya): New internal constraint.
837 * config/i386/i386.md (zero_extendsidi2): Remove expansion.
838 (*zero_extendsidi2_rex64): Add x,x alternative.
839 (*zero_extendsidi2): Ditto. Add o,0 alternative.
840 Remove flags reg clobber. Adjust corresponding splits.
841 (zero_extend<mode>si2): Macroize expander from zero_extendhisi2 and
842 zero_extendqisi2 expanders using SWI12 mode iterator.
843 (zero_extend<mode>si2_and): Macroize insn from
844 zero_extendhisi2_and and zero_extendqisi2_and. Merge corresponding
846 (*zero_extend<mode>si2): Macroize insn from
847 *zero_extendhisi2_movzbl and *zero_extendqisi2_movzbl.
848 (*zero_extend*2_movzbl_and): Remove insn patterns.
849 (zero_extendqihi2_and): Merge corresponding splitter.
850 (*zero_extendqihi2): Rename from *zero_extendqihi2_movzbl.
851 (*zero_extend*2_movzbl_and): Remove insn patterns.
852 (*anddi_1): Split TYPE_IMOVX instructions.
853 (*andsi_1): Use Ya for alternative 2. Split TYPE_IMOVX instructions.
855 (and->zext splitter): Add splitter pattern.
856 (zero extend with andsi3 splitter): Adjust zero_extend pattern.
858 2012-03-04 Sandra Loosemore <sandra@codesourcery.com>
860 * doc/invoke.texi (C++ Dialect Options): Minor copy-edits to
862 (Debugging Options): Likewise.
863 (Optimize Options): Likewise.
864 (i386 and x86-64 Options): Discuss -march before -mtune, consistently
865 with other architectures. Use official processor names with correct
866 spelling/capitalization. Fix formatting and grammar issues.
867 (i386 and x86-64 Windows Options): Similar cleanup here.
869 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
871 * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
873 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
875 * config/sh/sh.c (sh_dwarf_register_span): Don't apply
878 2012-03-03 Kaz Kojima <kkojima@gcc.gnu.org>
880 * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
881 operand is CONST_INT. Take COSTS_N_INSNS into account.
882 (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value
885 2012-03-02 Richard Henderson <rth@redhat.com>
887 * optabs.c (expand_atomic_test_and_set): Honor
888 atomic_test_and_set_trueval even when atomic_test_and_set
891 2012-03-02 Kaz Kojima <kkojima@gcc.gnu.org>
895 * config/sh/sh.c (sh_register_move_cost): Increase cost between
896 GENERAL_REGS and FP_REGS for SImode.
898 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
901 * config/sh/sh.md (negdi2): Add TARGET_SH1 condition.
902 (absdi2): New expander.
903 (*absdi2, *negabsdi2, negdi_cond): New insns and splits.
905 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
907 * config/sh/sync.md (atomic_exchange<mode>): New expander.
908 (atomic_exchange<mode>_soft): New insn.
910 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
912 * config/sh/sync.md: Update copyright notice dates.
913 (atomic_compare_and_swap<mode>): Use SImode for return value instead
915 (atomic_compare_and_swap<mode>_soft): Likewise.
917 2012-03-02 Oleg Endo <olegendo@gcc.gnu.org>
920 * config/sh/sh.h (LOOP_ALIGN): Move logic to sh_loop_align.
921 * config/sh/sh.c: Update copyright notice dates.
922 (sh_loop_align): Add logic from LOOP_ALIGN. Don't disable loop
923 alignment for TARGET_HARD_SH4.
924 (sh_option_override): Reduce default function alignment. Set
925 loop alignment to 4 bytes when not optimizing for size.
927 2012-03-02 Maxim Kuvyrkov <maxim@codesourcery.com>
930 * doc/invoke.texi (floop-flatten): Remove.
931 * toplev.c (process_options): Remove references to flag_loop_flatten.
932 * tree-ssa-loop.c (gate_graphite_transform): Same.
933 * common.opt (floop-flatten): Obsolete.
934 * graphite-poly.c (apply_poly_transforms): Remove reference to
936 * Makefile.in (graphite-flattening.o): Remove.
937 * graphite-flattening.c: Remove.
939 2012-03-02 Uros Bizjak <ubizjak@gmail.com>
941 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
942 having mode compatible with the mode of previous compare. Substitute
943 compare mode of previous compare with the mode, compatible
944 with eliminated and previous compare.
946 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
948 * config/rs6000/dfp.md (floatdidd2): New define_insn.
950 2012-03-02 Uros Bizjak <ubizjak@gmail.com>
952 * config/i386/i386.c (ix86_cc_modes_compatible): Declare CCZmode
953 compatible with CCGOCmode and CCGCmode.
955 2012-03-02 Peter Bergner <bergner@vnet.ibm.com>
957 * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
959 2012-03-02 Ulrich Weigand <ulrich.weigand@linaro.org>
961 * config/arm/arm.c (arm_sat_operator_match): New function.
962 * config/arm/arm-protos.h (arm_sat_operator_match): Add prototype.
963 * config/arm/arm.md ("insn" attribute): Add "sat" value.
964 ("SAT", "SATrev"): New code iterators.
965 ("SATlo", "SAThi"): New code iterator attributes.
966 ("*satsi_<SAT:code>"): New pattern.
967 ("*satsi_<SAT:code>_shift"): Likewise.
968 * config/arm/arm-fixed.md ("arm_ssatsihi_shift"): Add "insn"
969 and "shift" attributes.
970 ("arm_usatsihi"): Add "insn" attribute.
971 * config/arm/predicates.md (sat_shift_operator): Allow multiplication
972 by powers of two. Do not allow shift by 32.
974 2012-03-02 Uros Bizjak <ubizjak@gmail.com>
977 * config/i386/i386.c (construct_container): Use gen_reg_or_parallel
978 to pass the argument in the register of "natural" mode.
980 2012-03-02 Richard Guenther <rguenther@suse.de>
982 PR tree-optimization/52406
983 * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
984 (struct indices): Add unconstrained_base member.
985 (struct dr_alias): Remove unused vops member.
986 (DR_UNCONSTRAINED_BASE): New define.
987 * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
988 add indices to allow their disambiguation. Make DR_BASE_OBJECT
989 be an artificial access that covers the whole indexed object,
990 or mark it with DR_UNCONSTRAINED_BASE if we cannot do so. Canonicalize
991 plain decl base-objects to their MEM_REF variant.
992 (dr_may_alias_p): When the base-object of either data reference
993 has unknown size use only points-to information.
994 (compute_affine_dependence): Make dumps easier to read and
996 * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
997 DR_REF when looking for packed references.
998 (vect_supportable_dr_alignment): Likewise.
1000 2012-03-02 Greta Yorsh <Greta.Yorsh@arm.com>
1002 * config/arm/arm-ldmstm.ml (write_ldm_commutative_peephole):
1003 Improve conditions for peepholes of loads followed by commutative
1005 * config/arm/ldmstm.md: Regenerated.
1007 2012-03-02 Richard Guenther <rguenther@suse.de>
1009 * BASE-VER: Set to 4.8.0.
1011 2012-03-01 Richard Earnshaw <rearnsha@arm.com>
1013 * config.gcc (obsolete): Add all ARM targets using the FPA.
1014 (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
1015 * doc/install.texi: Avoid references to obsolete ARM ports.
1017 2012-03-01 Joern Rennecke <joern.rennecke@embecosm.com>
1019 * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
1021 2012-03-01 Jeremy Bennett <jeremy.bennett@embecosm.com>
1022 Joern Rennecke <joern.rennecke@embecosm.com>
1024 * doc/extend.texi: Expand and update information on interrupt
1025 attribute for Epiphany.
1027 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1029 * config/sh/sh-protos.h: Update copyright notice dates.
1030 * config/sh/sh.h: Likewise.
1031 * config/sh/sh.md: Likewise.
1032 * config/sh/constraints.md: Likewise.
1033 * config/sh/predicates.md: Likewise.
1035 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1037 * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1038 * config/sh/sh.c (tertiary_reload_operand): Likewise.
1040 2012-03-01 Oleg Endo <olegendo@gcc.gnu.org>
1042 * config/sh/constraints.md: Fix comment typo.
1044 2012-03-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1047 * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
1048 unsigned HOST_WIDE_INT.
1049 (zvdep_imm64): Likewise.
1050 (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
1051 (vdepi_and): Likewise.
1052 Likewise for unamed 64-bit patterns.
1053 * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
1055 2012-03-01 Alexandre Oliva <aoliva@redhat.com>
1058 PR rtl-optimization/52417
1059 * cselib.c (cselib_any_perm_equivs): New variable.
1060 (cselib_reset_table): Check that it's not set when not
1061 preserving constants.
1062 (cselib_add_permanent_equiv): Set it.
1063 (cselib_have_permanent_equivalences): New.
1064 (cselib_init, cselib_finish): Reset it.
1065 * cselib.h (cselib_have_permanent_equivalences): Declare.
1066 * alias.c (get_addr): Restore earlier behavior when there
1067 aren't permanent equivalences.
1069 2012-03-01 Steven Bosscher <steven@gcc.gnu.org>
1071 * config/mn10300/mn10300-modes.def: Fix copyright notice.
1072 * config/v850/v850-modes.def: Fix copyright notice.
1074 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
1076 * doc/extend.texi (AVR Built-in Functions): Document
1077 __builtin_avr_flash_segment.
1079 * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
1080 * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
1081 (*split.flash_segment): New insn-and-split.
1082 * config/avr/avr.c (avr_init_builtins): Add local variables:
1083 const_memx_void_node, const_memx_ptr_type_node,
1084 char_ftype_const_memx_ptr.
1086 2012-03-01 Jakub Jelinek <jakub@redhat.com>
1088 PR tree-optimization/52445
1089 * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
1090 add ssa_name_ver, offset and size fields and change store field
1092 (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
1093 (add_or_mark_expr): Likewise. Only consider previous stores
1094 with the same size and offset.
1095 (nt_init_block): Only look at gimple_assign_single_p stmts,
1096 doesn't look at rhs2.
1098 2012-03-01 Richard Guenther <rguenther@suse.de>
1101 * tree-cfg.c (verify_gimple_assign_unary): Allow any
1102 conversions from integral types to pointer types.
1104 2012-03-01 Georg-Johann Lay <avr@gjlay.de>
1106 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
1107 defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
1108 unintentionally removed in r184616.
1110 2012-03-01 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
1112 * doc/invoke.texi: Document AMD bdver2 and remove mentioning
1115 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1116 Uros Bizjak <ubizjak@gmail.com>
1119 * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
1120 alternatives, add "e" constraint to the new last alternative
1121 and ! to last 3 alternatives.
1123 2012-02-29 Eric Botcazou <ebotcazou@adacore.com>
1125 * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
1126 DW_AT_artificial attributes at the end of the processing.
1127 (gen_array_type_die): Likewise.
1128 (gen_enumeration_type_die): Likewise.
1129 (gen_struct_or_union_type_die): Likewise.
1130 (add_gnat_descriptive_type_attribute): Do not suppress debug info for
1133 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1136 * expr.c (expand_assignment): If doing misaligned store that doesn't
1137 cover all mode bits, perform a RMW cycle.
1139 PR tree-optimization/52429
1140 * tree-parloops.c (separate_decls_in_region_debug): Return early
1141 if var is LABEL_DECL.
1143 2012-02-29 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1145 PR tree-optimization/52424
1146 * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
1147 calling dom_thread_across_edge.
1149 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1151 * config/avr/avr.c: Move definition of TARGET macros to end of file.
1153 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1155 * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
1156 * config/avr/avr.c (avr_output_bld): Remove unused function.
1157 (avr_out_sbxx_branch): Use "%T" to print bit position.
1159 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1161 * config/avr/avr.md: Untabify.
1163 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1165 * config/avr/avr.md (eqne): New code iterator.
1166 (*dec-and-branchsi): Use it in text peephole's condition.
1167 (*dec-and-branchhi): Ditto.
1168 (*dec-and-branchqi): Ditto.
1170 2012-02-29 Georg-Johann Lay <avr@gjlay.de>
1173 * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
1174 the device does not have the skip-bug.
1176 2012-02-29 Oleg Endo <olegendo@gcc.gnu.org>
1178 * doc/invoke.texi (-msoft-atomic): Add more detailed description.
1179 (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
1180 -mpretend-cmove): New.
1182 2012-02-29 Jakub Jelinek <jakub@redhat.com>
1185 * df.h (struct df_d): Adjust comment that hard_regs_live_count
1186 doesn't count DEBUG_INSN refs.
1187 * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
1188 for DEBUG_INSN refs.
1190 2012-02-28 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1194 2012-02-20 Richard Guenther <rguenther@suse.de>
1195 PR tree-optimization/52298
1196 * tree-vect-stmts.c (vectorizable_load): Properly use
1197 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1200 2012-02-28 Aldy Hernandez <aldyh@redhat.com>
1203 * gimple.h (gimple_in_transaction): New.
1204 (gimple_set_in_transaction): New.
1205 (struct gimple_statement_base): Add in_transaction field.
1206 * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
1208 (tree_ssa_lim_initialize): Compute transaction bits.
1209 * tree.h (compute_transaction_bits): Protoize.
1210 * trans-mem.c (tm_region_init): Use the heap to store BB
1212 (compute_transaction_bits): New.
1214 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1216 * gcc.c (display_help): Document --help=common and sort entries
1219 2012-02-28 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1221 * doc/install.texi: Document check-$LANG specific shortcuts
1223 2012-02-28 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1226 * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
1228 * config/arm/arm_neon.h: Regenerate.
1229 * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
1230 (neon_vcgeu): New insn.
1231 (neon_vcgtu): Likewise.
1232 * config/arm/neon.ml (s_8_32, u_8_32): New lists.
1233 (ops): Unsigned comparison intrinsics call a different builtin.
1235 2012-02-28 Richard Guenther <rguenther@suse.de>
1238 * config/i386/i386.c (ix86_expand_vector_set): Fix element
1239 ordering for the VEC_CONCAT for two element vectors for
1240 V2SFmode, V2SImode and V2DImode.
1242 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
1245 * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
1246 detecting big-endian triplets.
1248 2012-02-28 Richard Earnshaw <rearnsha@arm.com>
1250 * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
1251 mode if there is no type information available.
1253 2012-02-28 Thomas Koenig <tkoenig@gcc.gnu.org>
1255 PR tree-optimization/53207
1256 * doc/invoke.texi: Document as experimental and relying on graphite.
1258 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1260 * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
1261 of initializer to changes from r184614.
1263 2012-02-28 Richard Guenther <rguenther@suse.de>
1265 PR tree-optimization/52395
1266 * tree-sra.c (build_ref_for_offset): Also look at the base
1267 TYPE_ALIGN when figuring out the alignment of the replacement.
1269 2012-02-28 Richard Guenther <rguenther@suse.de>
1271 PR tree-optimization/52402
1272 * ipa-prop.c (ipa_modify_call_arguments): Properly use
1273 mis-aligned types when creating the accesses at the call site.
1275 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1277 * config/avr/builtins.def: New file.
1278 * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
1279 * config/avr/avr.c (enum avr_builtin_id): Use it.
1280 (avr_init_builtins): Use it. And use avr_bdesc.
1281 (bdesc_1arg): Remove.
1282 (bdesc_2arg): Remove.
1283 (bdesc_3arg): Remove.
1284 (struct avr_builtin_description): Add field n_args.
1285 (avr_bdesc): New static variable using builtins.def.
1286 (avr_expand_builtin): Use it.
1287 Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
1288 (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
1289 Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
1291 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1294 * config/avr/avr.md (movmem_<mode>): Replace match_operand that
1295 match only one single hard register with respective hard reg rtx.
1296 (movmemx_<mode>): Ditto.
1297 * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
1298 insn anatomy of movmem[x]_<mode>.
1299 (avr_out_movmem): Same for printing assembler and operand usage.
1301 2012-02-28 Georg-Johann Lay <avr@gjlay.de>
1305 * doc/extend.texi (AVR Named Address Spaces): No more try to fix
1306 address spaces located outside of device flash.
1308 * config/avr/avr.h (base_arch_s): Remove field n_segments.
1309 (mcu_type_s): Add field n_flash.
1310 * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
1311 Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
1312 (AVR_MCU): Add N_FLASH argument.
1313 * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
1314 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
1315 macro __FLASH<n> if that address space makes sense for the device.
1316 * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
1317 outside of target flash.
1318 (avr_asm_named_section): Ditto.
1319 (avr_asm_select_section): Ditto.
1320 (avr_addr_space_convert): Ditto.
1321 (avr_emit_movmemhi): Ditto.
1322 (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
1323 address space is outside of device flash.
1324 (avr_insert_attributes): Ditto.
1325 (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
1326 avr_current_arch->n_segments.
1328 2012-02-27 H.J. Lu <hongjiu.lu@intel.com>
1331 * config/i386/i386.md (*movabs<mode>_1): Enable only for TARGET_LP64.
1332 (*movabs<mode>_2): Likewise.
1334 2012-02-27 Jakub Jelinek <jakub@redhat.com>
1337 * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
1338 s_register_operand in the test instead of REG_P. Don't call
1339 gen_reg_rtx if it won't be used.
1341 PR tree-optimization/52376
1342 * ipa-split.c (split_function): Ignore CLOBBER stmts.
1344 2012-02-27 Stuart Henderson <shenders@gcc.gnu.org>
1346 * ifcvt.c (noce_get_condition): Check condition variable is not
1347 small_register_classes_for_mode_p before accepting.
1349 2012-02-27 Uros Bizjak <ubizjak@gmail.com>
1351 * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1353 2012-02-27 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1356 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1357 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1359 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1361 2012-02-27 Oleg Endo <olegendo@gcc.gnu.org>
1363 * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1365 2012-02-26 Oleg Endo <olegendo@gcc.gnu.org>
1367 * config/sh/predicates.md: Remove blank lines.
1368 * config/sh/sh.c: Fix typos in comments.
1369 * config/sh/constraints.md: Likewise.
1370 * config/sh/sh.md: Remove blank lines.
1371 Fix typos in comments. Use ;; as comment characters.
1373 2012-02-26 Walter Lee <walt@tilera.com>
1375 * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1376 (replace_mov_pcrel_step2): Ditto.
1378 2012-02-25 Alexandre Oliva <aoliva@redhat.com>
1381 * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1382 (get_addr): Walk canonical value's locs. Avoid returning VALUEs
1383 and locs that reference values newer than the non-canonical value
1384 at hand. Return the canonical value as a worst case.
1385 (memrefs_conflict_p): Walk canonical value's locs.
1388 * cselib.c (preserve_only_constants): Rename to...
1389 (preserve_constants_and_equivs): ... this. Split out...
1390 (invariant_or_equiv_p): ... this. Preserve plus expressions
1391 of other preserved expressions too.
1392 (cselib_reset_table): Adjust.
1393 * var-tracking.c (reverse_op): Use canonical value to build
1396 2012-02-23 Kai Tietz <ktietz@redhat.com>
1398 * config/i386/i386.c (ix86_delegitimize_address): Handle
1399 UNSPEC_PCREL plus displacement.
1401 2012-02-24 Georg-Johann Lay <avr@gjlay.de>
1404 * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1405 to test for unusedness in st X addressing.
1407 2012-02-24 Richard Guenther <rguenther@suse.de>
1410 * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1411 (is_gimple_reg_type): Move inline ...
1412 * gimple.h (is_gimple_reg_type): ... here.
1414 2012-02-24 Richard Guenther <rguenther@suse.de>
1417 * passes.c (execute_function_todo): When verifying SSA form
1418 verify gimple form first.
1419 * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1421 2012-02-24 Richard Guenther <rguenther@suse.de>
1424 * fold-const.c (fold_addr_of_array_ref_difference): New function.
1425 (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1427 2012-02-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1429 * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1431 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1433 * tree-phinodes.c (make_phi_node): Mark static.
1434 * tree-flow.h (make_phi_node): Remove extern decl.
1435 * doc/gimple.texi (make_phi_node): Remove documentation.
1437 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1439 * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1440 * tree-ssa-sccvn.c (print_scc): Ditto.
1442 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1444 * doc/passes.texi (Full redundancy elimination): Fix typo.
1446 2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
1448 * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1450 2012-02-23 Eric Botcazou <ebotcazou@adacore.com>
1453 * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1455 2012-02-23 Uros Bizjak <ubizjak@gmail.com>
1458 * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1460 2012-02-23 Georg-Johann Lay <avr@gjlay.de>
1462 * config/avr/avr.md (code_stdname): Add ior, xor.
1463 (xior): New code iterator.
1464 (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1465 (*<code_stdname><mode>qi.byte1-3): Ditto.
1467 2012-02-23 Jakub Jelinek <jakub@redhat.com>
1469 PR tree-optimization/52019
1470 * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1473 2012-02-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1475 * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1476 HAVE_INITFINI_ARRAY to work around namespace pollution in
1477 certain versions of newlib system headers.
1478 * config.in: Regenerate.
1479 * configure: Regenerate.
1480 * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1481 instead of HAVE_INITFINI_ARRAY.
1483 2012-02-22 Uros Bizjak <ubizjak@gmail.com>
1486 * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1487 is not offsettable memory reference.
1489 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1492 * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1493 setting avr_need_clear_bss_p for __gnu_lto* symbols.
1495 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1497 * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1498 * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1500 2012-02-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1502 * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1503 library on Solaris 8 even without TLS support.
1504 * configure: Regenerate.
1506 2012-02-22 Richard Guenther <rguenther@suse.de>
1509 * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1510 for GIMPLE_DEBUG stmts.
1512 2012-02-22 Martin Jambor <mjambor@suse.cz>
1515 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1516 according to the base object.
1518 2012-02-22 Georg-Johann Lay <avr@gjlay.de>
1520 PR rtl-optimization/50063
1521 * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1522 and 2 (8-bit SP) in operand 2.
1523 * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1524 setup to use movhi_sp_r instead of vanilla move to write SP.
1525 Adjust REG_CFA notes to superseed unspec.
1526 (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1528 As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1529 known to be off) only with TARGET_NO_INTERRUPTS. Never use
1530 irq_state 1 (IRQ known to be on) here.
1532 2012-02-21 Bernd Schmidt <bernds@codesourcery.com>
1534 * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1536 * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1537 assign_hard_reg): Likewise.
1539 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1541 * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1543 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1546 (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1547 (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1549 2012-02-21 Georg-Johann Lay <avr@gjlay.de>
1551 * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1552 prototype from here to...
1553 * config/avr/avr.h: ...here.
1555 2012-02-21 Richard Earnshaw <rearnsha@arm.com>
1558 * thumb2.md (thumb2_shiftsi3_short): Split register and
1559 immediate shifts. For register shifts tie operands 0 and 1.
1560 (peephole2 for above): Check that register-controlled shifts
1561 have suitably tied operands.
1563 2012-02-21 Quentin Neill <quentin.neill@amd.com>
1566 * config/i386/bdver1.md (bdver1_call, bdver1_push,
1567 bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1568 bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1569 bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1570 bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1571 bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1572 bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1573 bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1574 bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1575 bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1576 bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1577 bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1578 bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1579 bdver1_ssevector_avx256_unaligned_load,
1580 bdver1_ssevector_sse128_unaligned_load,
1581 bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1582 bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1583 bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1584 bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1585 bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1586 bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1587 bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1588 bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1589 bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1590 bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1591 bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1592 bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1593 bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1594 bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1595 bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1596 bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1597 bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1598 bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1599 bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1600 bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1601 bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1602 bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1603 bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1604 bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1605 bdver1_ssediv_double_load, bdver1_ssediv_double,
1606 bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1607 Add "bdver2" attribute.
1609 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1611 * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1612 default if possible and not specified otherwise.
1614 2012-02-21 Richard Guenther <rguenther@suse.de>
1617 * gimplify.c (create_tmp_from_val): Use the main variant type
1618 for the type of the temporary we create.
1620 2012-02-21 Richard Guenther <rguenther@suse.de>
1622 PR tree-optimization/52324
1623 * gimplify.c (gimplify_expr): When re-gimplifying expressions
1624 do not gimplify a MEM_REF address operand if it is already
1627 2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1629 * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1630 TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1632 2012-02-21 Richard Guenther <rguenther@suse.de>
1634 * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1635 nested_in_vect_loop.
1637 2012-02-21 Jakub Jelinek <jakub@redhat.com>
1639 PR tree-optimization/52318
1640 * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1641 vdef also to non-pure/const call stmts in the sequence.
1643 2012-02-21 Tristan Gingold <gingold@adacore.com>
1645 * config/vms/vms-ld.c (main): Fix IDENTIFICATION padding.
1647 2012-02-20 David S. Miller <davem@davemloft.net>
1649 * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1650 don't use the "rd %pc" instruction on v9 for PIC register loads.
1652 2012-02-20 Aldy Hernandez <aldyh@redhat.com>
1655 * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1656 in a transaction safe function.
1658 2012-02-20 Kai Tietz <ktietz@redhat.com>
1661 * stor-layout.c (place_field): Handle desired_align for
1664 2012-02-20 Richard Guenther <rguenther@suse.de>
1666 PR tree-optimization/52298
1667 * tree-vect-stmts.c (vectorizable_store): Properly use
1668 STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1670 (vectorizable_load): Likewise.
1671 * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1672 Access DR_STEP after ensuring it is not NULL.
1674 2012-02-20 Jakub Jelinek <jakub@redhat.com>
1676 PR tree-optimization/52286
1677 * fold-const.c (fold_binary_loc): For (X & C1) | C2
1678 optimization use double_int_to_tree instead of build_int_cst_wide,
1679 rewrite to use double_int vars.
1681 2012-02-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1684 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1686 Remove -e 0 from $gcc_cv_ld invocation.
1687 Only use __GLIBC_PREREQ if defined.
1688 Enable on Solaris since Solaris 8 patch.
1689 (gcc_SUN_LD_VERSION): New macro.
1690 * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1691 gcc_SUN_LD_VERSION for version number format.
1692 * configure: Regenerate.
1693 * varasm.c (get_elf_initfini_array_priority_section): Set
1694 SECTION_NOTYPE for non-default priority.
1695 Use get_section instead of get_unnamed_section to emit
1696 .init_array/.fini_array with default priority.
1698 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1700 * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1701 (mips_get_tp): Set it. Record that __mips16_rdhwr binds locally.
1702 (mips_start_unique_function, mips_output_mips16_rdhwr)
1703 (mips_code_end): New functions.
1704 (TARGET_ASM_CODE_END): Define.
1706 2012-02-19 Richard Sandiford <rdsandiford@googlemail.com>
1708 * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1709 to stubs with non-sibling calls.
1711 2012-02-18 Sandra Loosemore <sandra@codesourcery.com>
1713 * doc/invoke.texi (-fira-* options): Copy-edit.
1714 (ira-* parameters): Copy-edit.
1716 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1718 * doc/invoke.texi: Minor copy-edits to bring into conformance with
1719 GCC coding conventions.
1721 2012-02-17 Sandra Loosemore <sandra@codesourcery.com>
1723 * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1724 when used as adjectives.
1726 2012-02-16 Sandra Loosemore <sandra@codesourcery.com>
1728 * doc/invoke.texi: Clean up "that"/"which" confusion.
1730 2012-02-17 Steven Bosscher <steven@gcc.gnu.org>
1732 * system.h: Poison SMALL_REGISTER_CLASSES
1733 * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1734 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1736 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1738 PR tree-optimization/52285
1739 * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1740 when deciding if a call is a tail call or tail recursion.
1742 2012-02-16 Kai Tietz <ktietz@redhat.com>
1744 * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1745 interger-constant displacement for UNSPEC_PCREL.
1747 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1749 PR rtl-optimization/52208
1750 * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1751 for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1753 PR tree-optimization/52255
1754 * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1755 loop->header has virtual PHI, but exit_e->dest doesn't, add
1756 virtual PHI to exit_e->dest and adjust all uses after the loop.
1759 * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1760 children with clone_tree_hash, not after it.
1762 2012-02-16 Iain Sandoe <iains@gcc.gnu.org>
1764 * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1765 extended identifiers.
1767 2012-02-16 Jakub Jelinek <jakub@redhat.com>
1770 * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1771 a same_body_alias, also test whether e->callee isn't a former
1772 or current clone of the decl this is a same body alias of.
1774 PR translation/52264
1775 * cgraphunit.c (verify_cgraph_node): Fix a typo.
1777 2012-02-15 Sandra Loosemore <sandra@codesourcery.com>
1779 * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1781 2012-02-15 Michael Meissner <meissner@linux.vnet.ibm.com>
1784 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1785 force_reg instead of copy_to_reg for better optimization. Force
1786 non-register or memory operands into a register.
1788 2012-02-15 Andrew MacLeod <amacleod@redhat.com>
1790 * extend.texi: Reserve upper bits of memory model for future use.
1792 2012-01-15 Georg-Johann Lay <avr@gjlay.de>
1793 Anatoly Sokolov <aesok@post.ru>
1794 Eric Weddington <eric.weddington@atmel.com>
1797 * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1798 avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1799 Rewrite initializers for .macro.
1800 * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1801 avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1802 atxmega32d4, atxmega32x1.
1803 avrxmega4: atxmega64a3, atxmega64d3.
1804 avrxmega5: atxmega64a1, atxmega64a1u.
1805 avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1806 atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1807 avrxmega7: atxmega128a1, atxmega128a1u.
1808 * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1809 ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1810 (struct base_arch_s): Rename reserved to xmega_p.
1811 Rename reserved2 to have_rampd.
1812 (AVR_XMEGA): New define.
1813 (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1814 (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1815 * config/avr/predicates.md (io_address_operand): Take into
1817 (low_io_address_operand): Ditto.
1818 (high_io_address_operand): Ditto.
1819 * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1820 (enabled, movhi_sp_r): Use them.
1821 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1822 cpp_define_formatted to built-in define __AVR_ARCH__.
1823 (__AVR_XMEGA__): New built-in define.
1824 (__AVR_HAVE_RAMPD__): New built-in define.
1825 (__AVR_HAVE_RAMPX__): New built-in define.
1826 (__AVR_HAVE_RAMPY__): New built-in define.
1827 (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1829 * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1830 (avr_option_override): Initialize them.
1831 (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1832 (avr_init_expanders): Initialize them. No more block several calls.
1833 (emit_push_sfr): New static function.
1834 (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1836 (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1837 (avr_print_operand): Print addreeses as symbols for
1838 RAMPX, RAMPY, RAMPD, CCP.
1839 (output_movhi): Handle AVR_XMEGA when writing to SP.
1840 (avr_out_movhi_mr_r_xmega): New static function.
1841 (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1842 (avr_file_start): Print symbol defines for __RAMPX__, __RAMPY__,
1843 __RAMPD__, __CCP__ as needed.
1845 * config/avr/multilib.h: Regenerate.
1846 * config/avr/t-multilib: Regenerate.
1847 * config/avr/avr-tables.opt: Regenerate.
1849 2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
1851 PR tree-optimization/50561
1852 * graphite-flattening.c (lst_project_loop): Do not
1853 remove old scattering dimensions after flattening.
1854 (lst_do_flatten): Likewise.
1856 2012-02-15 Georg-Johann Lay <avr@gjlay.de>
1858 * doc/extend.texi (AVR Built-in Functions): Remove doc for
1859 __builtin_avr_map8, __builtin_avr_map16.
1860 Document __builtin_avr_insert_bits.
1862 * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1863 (insert_bits): New insn.
1864 (adjust_len.map_bits): Rename to insert_bits.
1865 (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1866 * avr-protos.h (avr_out_map_bits): Remove.
1867 (avr_out_insert_bits, avr_has_nibble_0xf): New.
1868 * config/avr/constraints.md (Cxf,C0f): New.
1869 * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1870 defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1871 New built-in define __BUILTIN_AVR_INSERT_BITS.
1872 * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1873 (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1874 (avr_move_bits): Rewrite.
1875 (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1877 (avr_map_op_t): New typedef.
1878 (avr_map_op): New static variable.
1879 (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1880 (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1881 (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1882 (bdesc_3arg, avr_expand_triop_builtin): New.
1883 (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1884 (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1885 (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1886 (avr_map_equal_p, avr_map_sig_p): Remove.
1887 (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1888 (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1889 (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1890 (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1891 (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1892 (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1894 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1896 * config/c6x/c6x.md (reserve_cycles): New attribute.
1897 * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1898 don't reserve functional units after the branch occurs.
1900 2012-02-14 Aldy Hernandez <aldyh@redhat.com>
1903 * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1904 functions into non-tm_pure functions.
1906 2012-02-14 Eric Botcazou <ebotcazou@adacore.com>
1909 * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1910 (iterative_hash_canonical_type): Likewise.
1911 * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1914 2012-02-14 Bernd Schmidt <bernds@codesourcery.com>
1916 * haifa-sched.c (prune_ready_list): Ensure that if there is a
1917 sched-group insn, it either remains alone or the entire list is pruned.
1919 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1921 * doc/install.texi (Prerequisites): Fix grammar.
1922 (Configuration): Likewise.
1924 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
1926 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1927 MPC as part of GCC before describing configuring with --with-gmp etc.
1928 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1929 sources are present.
1931 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1934 * dwarf2out.c (clone_tree_hash): New function.
1935 (copy_decls_walk): Use it instead of clone_tree.
1937 2012-02-14 Richard Guenther <rguenther@suse.de>
1939 PR tree-optimization/52244
1940 PR tree-optimization/51528
1941 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1942 replacements for integral types.
1944 2012-02-14 Walter Lee <walt@tilera.com>
1946 * config.gcc: Handle tilegx and tilepro.
1947 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1949 Add HAVE_AS_TLS check for tilegx and tilepro.
1950 * configure: Regenerate.
1951 * doc/contrib.texi: Add Mat Hostetter and self.
1952 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1953 Document instruction intrinsics and network accessing intrinsics.
1954 (TILEPro Built-in Functions): New node. Document instruction
1955 intrinsics and network accessing intrinsics.
1956 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1957 (Specific, tilepro-*-linux*): Likewise.
1958 * doc/invoke.texi (TILE-Gx Options): New section.
1959 (TILEPro Options): New section.
1960 * doc/md.texi (TILE-Gx): New section.
1961 (TILEPro): New section.
1962 * common/config/tilegx/tilegx-common.c: New file.
1963 * common/config/tilepro/tilepro-common.c: New file.
1964 * config/tilegx/constraints.md: New file.
1965 * config/tilegx/linux.h: New file.
1966 * config/tilegx/mul-tables.c: New file.
1967 * config/tilegx/predicates.md: New file.
1968 * config/tilegx/sync.md: New file.
1969 * config/tilegx/t-tilegx: New file.
1970 * config/tilegx/tilegx-builtins.h: New file.
1971 * config/tilegx/tilegx-c.c: New file.
1972 * config/tilegx/tilegx-generic.md: New file.
1973 * config/tilegx/tilegx-modes.def: New file.
1974 * config/tilegx/tilegx-multiply.h: New file.
1975 * config/tilegx/tilegx-protos.h: New file.
1976 * config/tilegx/tilegx.c: New file.
1977 * config/tilegx/tilegx.h: New file.
1978 * config/tilegx/tilegx.md: New file.
1979 * config/tilegx/tilegx.opt: New file.
1980 * config/tilepro/constraints.md: New file.
1981 * config/tilepro/gen-mul-tables.cc: New file.
1982 * config/tilepro/linux.h: New file.
1983 * config/tilepro/mul-tables.c: New file.
1984 * config/tilepro/predicates.md: New file.
1985 * config/tilepro/t-tilepro: New file.
1986 * config/tilepro/tilepro-builtins.h: New file.
1987 * config/tilepro/tilepro-c.c: New file.
1988 * config/tilepro/tilepro-generic.md: New file.
1989 * config/tilepro/tilepro-modes.def: New file.
1990 * config/tilepro/tilepro-multiply.h: New file.
1991 * config/tilepro/tilepro-protos.h: New file.
1992 * config/tilepro/tilepro.c: New file.
1993 * config/tilepro/tilepro.h: New file.
1994 * config/tilepro/tilepro.md: New file.
1995 * config/tilepro/tilepro.opt: New file.
1997 2012-02-14 Jakub Jelinek <jakub@redhat.com>
1999 PR tree-optimization/52210
2000 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
2001 vect_model_simple_cost with two entry vect_def_type array instead
2002 of an address of dt.
2004 2012-02-14 Richard Guenther <rguenther@suse.de>
2007 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2008 Do not stream DECL_QUALIFIER.
2009 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2010 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
2011 (find_decls_types_r): Do not walk DECL_QUALIFIER.
2013 2012-02-14 Jakub Jelinek <jakub@redhat.com>
2016 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
2019 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2022 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
2023 * cselib.c (cselib_subst_to_values_from_insn): New function.
2024 * sched-deps.c (add_insn_mem_dependence,
2025 sched_analyze_1, sched_analyze_2): Use it.
2027 2012-02-13 Jan Hubicka <jh@suse.cz>
2030 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
2032 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
2034 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2035 (GTM_SELF_SPECS): Define if not already defined.
2036 (driver_self_specs): Add GTM_SELF_SPECS.
2037 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2038 (GTM_SELF_SPECS): Define.
2039 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2040 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2042 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2044 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2047 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
2050 * omp-low.c (expand_omp_for): If a static schedule without chunk size
2051 has NULL region->cont, force fd.chunk_size to be integer_zero_node.
2053 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
2056 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
2058 2012-02-13 Richard Guenther <rguenther@suse.de>
2060 PR translation/52211
2061 * passes.c (enable_disable_pass): Fix typo.
2063 2012-02-13 Jakub Jelinek <jakub@redhat.com>
2066 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
2067 XOR for reduce_bit_field if type is unsigned.
2069 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
2071 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
2072 disallow changes from SFmode to mode with different size in FP regs.
2074 2012-02-12 Robert Millan <rmh@gnu.org>
2075 Gerald Pfeifer <gerald@pfeifer.com>
2077 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
2080 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
2082 PR rtl-optimization/52175
2083 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
2084 to frame-related instructions.
2086 2012-02-10 Jason Merrill <jason@redhat.com>
2089 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2090 (demangle_new_symbols): Fill it.
2091 (scan_linker_output): Walk it.
2092 (start_tweaking): Split out from scan_linker_output.
2093 (maybe_tweak): Update sym->chosen.
2094 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
2096 2012-02-11 Jakub Jelinek <jakub@redhat.com>
2099 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
2101 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
2103 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2104 having the same mode as previous compare.
2106 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
2108 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
2109 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
2110 (nonlocal_goto_internal): Likewise.
2111 (nonlocal_goto): Emit a use and an indirect jump directly.
2113 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
2116 * doc/extend.texi : Update comments for __atomic_compare_exchange and
2117 __atomic_{is,always}_lock_free.
2119 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
2122 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
2123 negative constant address for TARGET_X32.
2125 2012-02-10 Richard Henderson <rth@redhat.com>
2127 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
2128 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
2129 for GIMPLE_TRANSACTION. Tidy if's into a switch.
2131 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2132 Ira Rosen <irar@il.ibm.com>
2134 PR tree-optimization/50031
2135 * targhooks.c (default_builtin_vectorization_cost): Handle
2137 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
2138 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
2139 all types of reduction and pattern statements.
2140 (vect_estimate_min_profitable_iters): Likewise.
2141 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
2142 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
2143 for explicit realigns.
2144 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
2145 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
2147 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
2148 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
2149 vec_perm for VSX and handle vec_promote_demote.
2151 2012-02-10 Jakub Jelinek <jakub@redhat.com>
2154 * builtins.c (fold_builtin_atomic_always_lock_free,
2155 expand_builtin_atomic_always_lock_free,
2156 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
2157 Return and/or test boolean_true_node/boolean_false_node instead of
2158 integer_one_node/integer_zero_node.
2160 2012-02-10 Jan Hubicka <jh@suse.cz>
2163 * predict.c (predict_paths_for_bb): Prevent looping.
2164 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
2166 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
2168 * config/arm/arm.c (output_move_double): In one case properly
2169 count number of instructions that will be emitted.
2171 2012-02-10 Richard Guenther <rguenther@suse.de>
2173 PR translation/52193
2174 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
2176 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
2179 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
2181 2012-02-09 Jakub Jelinek <jakub@redhat.com>
2184 * var-tracking.c (emit_note_insn_var_location): If
2185 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
2186 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
2187 non-NOTE_DURING_CALL_P insn.
2189 2012-02-09 Bin Cheng <bin.cheng@arm.com>
2192 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
2194 2012-02-08 Magnus Granberg <zorry@gentoo.org>
2197 * gcc.c (switch_matches) Support switches with separated form,
2200 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
2202 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
2204 (RAMPZ_ADDR): Ditto.
2205 * config/avr/avr.c (avr_addr_t): New typedef.
2206 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
2207 (avr_init_expanders): Initialize it.
2208 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
2210 (expand_epilogue): Ditto.
2211 (avr_print_operand): Ditto.
2212 (avr_file_start): Ditto.
2213 (avr_emit_movmemhi): Ditto.
2215 2012-02-08 Richard Guenther <rguenther@suse.de>
2217 PR tree-optimization/46886
2218 * tree-flow.h (do_while_loop_p): Declare.
2219 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
2220 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
2222 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
2224 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
2225 always succeed for integers larger than a native word.
2227 2012-02-08 Richard Guenther <rguenther@suse.de>
2229 PR rtl-optimization/52170
2230 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
2231 properly handle integer vector modes.
2233 2012-02-08 Jakub Jelinek <jakub@redhat.com>
2235 PR gcov-profile/52150
2236 * coverage.c: Include target.h.
2237 (build_var): Call targetm.strip_name_encoding on the assembler name.
2238 Change one _ into . or $ if the target allows it.
2239 * Makefile.in (coverage.o): Depend on $(TARGET_H).
2241 PR rtl-optimization/52139
2242 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
2243 is a BARRIER after emit_insn_after_noloc, move BB_END
2244 to the last non-BARRIER insn before it.
2246 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
2249 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
2250 (mips_gimplify_va_arg_expr): Call it instead of
2251 std_gimplify_va_arg_expr.
2253 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
2255 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
2256 message for -mno-pointers-to-nested-function.
2258 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
2261 * expr.c (get_inner_reference): If there is an offset, add a negative
2262 bit position to it (if any).
2264 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2266 PR rtl-optimization/52060
2267 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
2268 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
2269 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
2270 and/or i0src_copy2 when needed.
2272 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2274 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
2275 or LTOPLUGINSONAME if have_c.
2277 * config/freebsd-spec.h: Add comment about what macros can be defined
2279 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
2280 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
2283 2012-02-07 Richard Guenther <rguenther@suse.de>
2285 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
2286 newline in -alias dumps.
2288 2012-02-07 Kai Tietz <ktietz@redhat.com>
2289 Dave Korn <dave.korn.cygwin@gmail.com>
2292 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2293 Take care that typinfo gets dllexport-attribute.
2295 2012-02-07 Jakub Jelinek <jakub@redhat.com>
2298 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
2299 if modifier < EXPAND_SUM call force_operand on the result.
2301 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
2303 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
2304 adding __forwarder_dst__ prefix if a forwarder_section attribute is
2306 (epiphany_function_type): Replace types for specific interrupts with
2307 EPIPHANY_FUNCTION_INTERRUPT.
2308 (EPIPHANY_INTERRUPT_P): Update.
2309 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
2310 New static function.
2311 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
2312 <disinterrupt>: Affects type identity.
2313 (epiphany_handle_interrupt_attribute): Handle variable number of
2315 (epiphany_compute_function_type): Update for new
2316 epiphany_function_type definition.
2317 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
2318 handlers with a longcall forwarder.
2319 (epiphany_start_function): Handle multiple interrupt arguments and/or
2320 forwarder_section attribute.
2322 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
2325 2012-02-07 Alan Modra <amodra@gmail.com>
2328 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
2331 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2333 PR tree-optimization/50969
2334 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
2335 use vec_perm rather than vector_stmt.
2336 (vect_model_load_cost): Likewise.
2337 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
2338 vec_perm to be the same as other vector statements.
2339 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
2340 cost of vec_perm for TARGET_VSX.
2342 2012-02-06 Richard Guenther <rguenther@suse.de>
2344 PR tree-optimization/52115
2345 * tree-sra.c (access_has_replacements_p): New function.
2346 (sra_modify_assign): Use it to decide whether a use is uninitialized.
2348 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
2351 * trans-mem.c (expand_call_tm): Add an assertion.
2352 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2355 2012-02-06 Richard Guenther <rguenther@suse.de>
2357 PR tree-optimization/50955
2358 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2359 raise cost of expressions that replace an address with an
2360 expression based on a different pointer.
2362 2012-02-06 Jakub Jelinek <jakub@redhat.com>
2365 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2366 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2368 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
2371 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2372 -Weffc++ and specify guidelines come from second edition.
2374 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
2376 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2377 (sibcall_value_multiple_internal, call_split, call_internal_direct)
2378 (call_direct_split, call_value_split, call_value_internal_direct)
2379 (call_value_direct_split, call_value_multiple_split): Use jal and
2380 jal_macro attributes.
2382 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
2384 * reload1.c (reload_regs_reach_end_p): Replace with...
2385 (reload_reg_rtx_reaches_end_p): ...this function.
2386 (new_spill_reg_store): Update commentary.
2387 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2388 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2389 before setting new_spill_reg_store.
2390 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2391 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2392 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2393 for non-spill reload registers.
2395 2012-02-05 Ira Rosen <irar@il.ibm.com>
2397 PR tree-optimization/52091
2398 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2399 (vect_is_simple_use_1): Likewise.
2400 * tree-vect-loop.c (vectorizable_reduction): Update calls
2401 to vect_is_simple_use_1 and vect_is_simple_use.
2402 (vectorizable_live_operation): Likewise.
2403 * tree-vect-patterns.c (widened_name_p,
2404 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2405 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2406 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2407 vectorizable_shift,vectorizable_operation, vectorizable_store,
2408 vectorizable_load): Likewise.
2409 (vect_is_simple_cond): Add an argument, pass it to
2410 vect_is_simple_use_1.
2411 (vectorizable_condition): Update calls to vect_is_simple_cond,
2413 (vect_is_simple_use): Add an argument, the statement in which
2414 OPERAND is used. Check that if OPERAND's def stmt is a double
2415 reduction phi node, the use is a phi node too.
2416 (vect_is_simple_use_1): Add an argument, pass it to
2418 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2419 to vect_is_simple_use.
2421 2012-02-04 Jakub Jelinek <jakub@redhat.com>
2423 PR rtl-optimization/52095
2424 * modulo-sched.c (dump_insn_locator): New function.
2425 (loop_canon_p, sms_schedule): Use it.
2427 PR rtl-optimization/52113
2428 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2429 even for decomposable shift/zext insns.
2431 2012-02-03 Jakub Jelinek <jakub@redhat.com>
2432 Zdenek Dvorak <ook@ucw.cz>
2434 PR rtl-optimization/52092
2435 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2436 on get_iv_value result.
2438 2012-02-02 Andrew Pinski <apinski@cavium.com>
2442 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2444 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2447 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2449 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
2451 PR rtl-optimization/49800
2452 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2453 (sched_finish): Call regstat_free_n_sets_and_refs.
2455 2012-02-02 Jia Liu <proljc@gmail.com>
2457 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2460 2012-02-02 Jan Hubicka <jh@suse.cz>
2461 Tom de Vries <tom@codesourcery.com>
2464 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2465 * varpool.c (varpool_analyze_pending_decls): Likewise.
2467 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2468 Jayant R Sonar <jayant.sonar@kpitcummins.com>
2470 * config.gcc: Add cr16-* support.
2472 * doc/extend.texi: Document cr16 extensions.
2473 * doc/install.texi: Document cr16 install.
2474 * doc/invoke.texi: Document cr16 options.
2475 * doc/md.texi: Document cr16 constraints.
2477 * common/config/cr16/cr16-common.c: New file.
2478 * config/cr16/cr16.c: New file.
2479 * config/cr16/cr16.h: New file.
2480 * config/cr16/cr16.md: New file.
2481 * config/cr16/cr16.opt: New file.
2482 * config/cr16/cr16-protos.h: New file.
2483 * config/cr16/predicates.md: New file.
2484 * config/cr16/constraints.md: New file.
2485 * config/cr16/t-cr16: New file.
2487 2012-02-02 Jakub Jelinek <jakub@redhat.com>
2490 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2491 that operands[2] is either immediate, or q_regs_operand.
2493 PR tree-optimization/52073
2494 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2495 a pattern stmt for pattern uses, ignore uses outside of the loop.
2497 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2499 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2500 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2501 (OUT_AS1, OUT_AS2): Remove.
2503 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
2505 PR rtl-optimization/51374
2506 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2507 to cross other volatile_refs_p insns.
2509 2012-02-01 Richard Guenther <rguenther@suse.de>
2511 * doc/invoke.texi (fno-inline): Clarify documentation.
2512 (finline-small-functions): Likewise.
2513 (finline-functions): Likewise.
2514 * common.opt (finline): Adjust comment and documentation.
2515 (finline-small-functions): Clarify documentation.
2516 (finline-functions): Likewise.
2517 (finline-functions-called-once): Likewise.
2519 2012-02-01 Tristan Gingold <gingold@adacore.com>
2521 * c-typeck.c (composite_type): Keep mode for pointers.
2523 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
2525 * function.h (regno_reg_rtx): Adjust comment.
2526 * reginfo.c (init_reg_modes_target): Only use the previous mode
2527 if it fits within one register. Remove MIPS comment.
2529 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2532 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2534 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2536 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2537 to srak instruction.
2539 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
2541 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2543 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2548 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2550 2012-01-31 Richard Guenther <rguenther@suse.de>
2552 PR tree-optimization/51528
2553 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2556 2012-01-31 Jakub Jelinek <jakub@redhat.com>
2561 * ree.c (add_removable_extension): Change def_map argument
2562 to unsigned *, store in def_map 1 + offset into *insn_list vector
2563 instead of pointers into the vector.
2564 (find_removable_extensions): Adjust caller.
2566 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2568 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2569 Transform all "* quoted-c-code" to { c-code }.
2570 Remove redundant test for "optimize" in combine patterns.
2571 Move (include "avr-dimode.md") to end of file.
2573 2012-01-30 Bin Cheng <bin.cheng@arm.com>
2576 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2577 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2579 2012-01-30 Richard Guenther <rguenther@suse.de>
2581 PR tree-optimization/52028
2582 * tree-loop-distribution.c (ldist_gen): Properly update
2585 2012-01-30 Jakub Jelinek <jakub@redhat.com>
2588 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2589 set_cur_line_info_table if not emitting debug info.
2591 PR tree-optimization/52046
2592 * tree-vect-patterns.c (check_bool_pattern): Give up if
2593 a comparison could throw.
2596 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2598 2012-01-30 Richard Guenther <rguenther@suse.de>
2600 PR tree-optimization/52045
2601 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2602 SSA form if cfgcleanup did anything.
2604 2012-01-30 Richard Guenther <rguenther@suse.de>
2606 PR tree-optimization/52045
2607 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2608 before computing final todo.
2610 2012-01-30 Richard Guenther <rguenther@suse.de>
2612 PR tree-optimization/51528
2613 * tree-sra.c (sra_modify_assign): Re-factor in preparation
2616 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
2618 * df-problems.c (df_kill_notes): Check that the use refers
2619 to the note under examination.
2621 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
2624 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2625 parameter and use short-lived pseudos.
2626 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2627 (sparc_expand_vector_init): Const-ify local variables and adjust
2628 calls to above functions.
2630 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
2632 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2634 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
2636 * doc/invoke.texi: Make usage of "compile time" and
2637 "run time"/"runtime" consistent throughout the file.
2639 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
2641 * config/alpha/alpha.c (alpha_option_override): Default to
2642 full IEEE compliance mode for Go language.
2644 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
2646 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2647 (LINK_SSP_SPEC): Define.
2649 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2652 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2655 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
2657 * doc/invoke.texi: Correct hyphenation of "floating point",
2658 "double precision", and related terminology throughout the file.
2660 2012-01-28 Jakub Jelinek <jakub@redhat.com>
2663 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2664 arm_general_register_operand predicate for operand 2 instead of
2667 2012-01-27 Ian Lance Taylor <iant@google.com>
2670 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2671 * builtins.c (expand_builtin_init_trampoline): Add onstack
2672 parameter. Change caller.
2673 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2674 * tree.c (build_common_builtin_nodes): Declare
2675 __builtin_init_heap_trampoline.
2677 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
2679 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2680 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2681 * config/avr/avr.c: Ditto.
2682 (avr_regnames): Remove because unused.
2683 * config/avr/avr.md (*cpse.ne): New peephole.
2684 (*cpse.eq): New peephole from former cpse peepholes.
2686 2012-01-27 Michael Eager <eager@eagercon.com>
2688 * config/microblaze.c (microblaze_emit_compare): Correct
2689 test after pcmp instruction.
2691 2012-01-27 Richard Guenther <rguenther@suse.de>
2693 PR tree-optimization/52020
2694 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2696 2012-01-27 Richard Guenther <rguenther@suse.de>
2698 * ipa-pure-const.c (check_stmt): Clobbers do not make a
2699 function non-const/pure.
2701 2012-01-27 Richard Guenther <rguenther@suse.de>
2703 PR tree-optimization/50444
2704 * tree-sra.c (build_ref_for_offset): Properly adjust the
2705 MEM_REF type for unaligned accesses.
2707 2012-01-27 Richard Guenther <rguenther@suse.de>
2709 PR tree-optimization/50444
2710 * expr.c (mem_ref_refers_to_non_mem_p): New function.
2711 (expand_assignment): Use it. Properly handle misaligned
2712 bases when expanding stores to component references.
2713 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2716 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
2719 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2720 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2721 * tree-data-ref.c (find_data_references_in_loop): Make static.
2722 (compute_all_dependences): Change return type to bool. Bail out
2723 for too many datarefs in a loop. Move the hunk resetting the data
2724 dependences vector from ...
2725 (compute_data_dependences_for_loop): ... here. Account for
2726 compute_all_dependences returning false.
2727 (compute_data_dependences_for_bb): Likewise.
2728 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2729 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2731 2012-01-27 Richard Guenther <rguenther@suse.de>
2734 * expr.c (store_field): Use the alias-set of the scratch memory
2737 2012-01-27 Tom de Vries <tom@codesourcery.com>
2739 PR tree-optimization/51990
2740 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2742 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2744 2012-01-27 Jakub Jelinek <jakub@redhat.com>
2747 * var-tracking.c (reverse_op): Don't add any reverse operation
2748 if V already has any constant locations.
2750 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2752 * doc/invoke.texi: Correct usage of "command line" (noun)
2753 vs "command-line" (adjective) throughout.
2755 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
2757 * doc/invoke.texi (Language Independent Options): Move
2758 -Wcoverage-mismatch blurb from here....
2759 (Warning Options): ...to here.
2761 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
2763 * config/rs6000/rs6000.c (rs6000_option_override_internal):
2764 Set rs6000_always_hint to false for 476.
2766 2012-01-27 Matthias Klose <doko@ubuntu.com>
2768 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2770 * incpath.c (add_standard_paths): Likewise.
2772 2012-01-27 Richard Henderson <rth@redhat.com>
2774 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2775 * config/m68k/sync.md (atomic_test_and_set): Rename from
2776 sync_test_and_setqi and adjust the operands.
2777 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2778 and unconditionally enable.
2780 2012-01-27 Richard Henderson <rth@redhat.com>
2782 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2783 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2784 (ldstub): Rename from ldstubqi.
2785 (ldstub<I24MODE>): Remove.
2787 2012-01-27 Richard Henderson <rth@redhat.com>
2789 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2790 * c-cppbuiltin.c (cpp_atomic_builtins): Define
2791 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2792 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2793 * doc/tm.texi: Rebuild.
2795 2012-01-27 Richard Henderson <rth@redhat.com>
2797 * optabs.c (gen_atomic_test_and_set): Remove default.
2798 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2800 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2802 PR rtl-optimization/51978
2803 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2804 (combine_reaching_defs): Likewise.
2805 (struct re_info): Remove.
2806 (add_removable_extension): Remove x and data arguments,
2807 add insn, insn_list and def_map. Use the arguments directly
2808 instead of using struct re_info.
2809 (find_removable_extensions): Don't call add_removable_extension
2810 through note_stores, instead just call it with single_set
2812 (find_and_remove_re): Pass curr_cand->expr instead of
2813 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2815 2012-01-26 Michael Matz <matz@suse.de>
2817 PR tree-optimization/46590
2818 * cfgexpand.c: Revert last change (r183305).
2819 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2821 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2822 checking for emptiness.
2824 2012-01-26 Jakub Jelinek <jakub@redhat.com>
2827 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2828 non-addressable non-BLKmode base correctly.
2830 2012-01-26 Michael Matz <matz@suse.de>
2832 PR tree-optimization/48794
2833 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2834 regions referenced from RESX/EH_DISPATCH.
2836 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2838 * config/s390/s390.h: Make BRANCH_COST an option.
2839 * config/s390/s390.opt: New option -mbranch-cost.
2841 2012-01-26 Richard Henderson <rth@redhat.com>
2843 Revert 2012-01-24 change:
2844 * trans-mem.c (requires_barrier): Do not instrument thread local
2845 variables and emit save/restore for them.
2847 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2850 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2853 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
2855 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2858 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
2861 Rename __pgm to __flash.
2862 Rename __pgm1 to __flash1.
2863 Rename __pgm2 to __flash2.
2864 Rename __pgm3 to __flash3.
2865 Rename __pgm4 to __flash4.
2866 Rename __pgm5 to __flash5.
2867 Rename __pgmx to __memx.
2868 * doc/extend.texi (AVR Named Address Spaces)
2869 Rename address space names as indicated above.
2870 * config/avr/avr.c (avr_addrspace): Ditto.
2872 * config/avr/avr-protos.h
2873 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2874 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2875 * config/avr/predicates.md: Ditto.
2876 * config/avr/avr.c Ditto, and
2877 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2878 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2880 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2881 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2882 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2883 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2884 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2885 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2886 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2887 * config/avr/avr.c: Ditto.
2888 * config/avr/avr.md: Ditto.
2890 2012-01-25 Jason Merrill <jason@redhat.com>
2893 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2895 2012-01-25 Jakub Jelinek <jakub@redhat.com>
2897 PR tree-optimization/51987
2898 * tree-data-ref.c (get_references_in_stmt): Handle references in
2899 non-volatile GIMPLE_ASM.
2901 2012-01-25 Richard Guenther <rguenther@suse.de>
2903 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2904 bases are dereferenced.
2906 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2908 PR rtl-optimization/48374
2909 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2911 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
2913 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2914 compute_data_dependences_for_loop returns false.
2915 * tree-parloops.c (loop_parallel_p): Likewise.
2917 2012-01-25 Richard Guenther <rguenther@suse.de>
2919 * tree.h (get_pointer_alignment_1): Declare.
2920 * builtins.c (get_pointer_alignment_1): New function.
2921 (get_pointer_alignment): Use it.
2923 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
2925 PR rtl-optimization/48308
2926 * combine.c (enum undo_kind): Add UNDO_LINKS.
2927 (struct undo): Add member l to other_contents and where.
2928 (do_SUBST_LINK): New.
2930 (try_combine): Handle LOG_LINKS for the dummy i1 case.
2931 (undo_all): Handle UNDO_LINKS.
2933 2012-01-25 Richard Henderson <rth@redhat.com>
2935 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2938 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2940 * optabs.c (gen_atomic_test_and_set): Use each argument.
2942 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2944 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2945 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2946 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2947 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2948 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2949 TARGET_PAIRED_SINGLE_FLOAT.
2951 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2953 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2954 (in_struct, return_val): Remove MEM documentation.
2955 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2956 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2957 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2959 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2960 * cfgexpand.c (add_alias_set_conflicts): Likewise.
2961 * expr.c (store_field): Likewise.
2962 * function.c (assign_stack_temp_for_type): Likewise.
2963 * ifcvt.c (noce_try_cmove_arith): Likewise.
2964 * reload1.c (reload): Likewise.
2965 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2966 (alpha_set_memflags): Likewise.
2967 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2969 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
2971 * rtl.h (true_dependence, canon_true_dependence): Remove varies
2973 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2974 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2975 (true_dependence_1, true_dependence, canon_true_dependence): Remove
2977 * cselib.c (cselib_rtx_varies_p): Delete.
2978 (cselib_invalidate_mem): Update call to canon_true_dependence.
2979 * dse.c (record_store, check_mem_read_rtx): Likewise.
2980 (scan_reads_nospill): Likewise.
2981 * cse.c (check_dependence): Likewise.
2982 (cse_rtx_varies_p): Delete.
2983 * expr.c (safe_from_p): Update call to true_dependence.
2984 * ira.c (validate_equiv_mem_from_store): Likewise.
2985 (memref_referenced_p): Likewise.
2986 * postreload-gcse.c (find_mem_conflicts): Likewise.
2987 * sched-deps.c (sched_analyze_2): Likewise.
2988 * store-motion.c (load_kills_store): Likewise.
2989 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2990 * gcse.c (mems_conflict_for_gcse_p): Likewise.
2991 (compute_transp): Update call to canon_true_dependence.
2993 2012-01-25 Richard Henderson <rth@redhat.com>
2995 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2996 (maybe_emit_atomic_test_and_set): New.
2997 (expand_sync_lock_test_and_set): Use it.
2998 (expand_atomic_test_and_set): Likewise.
2999 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
3000 the implementation; clarify implementation defined details.
3001 * doc/md.texi (atomic_test_and_set): Document.
3003 2012-01-25 Richard Henderson <rth@redhat.com>
3005 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
3007 2012-01-25 Richard Henderson <rth@redhat.com>
3010 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
3011 to effect no-op split.
3013 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
3016 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
3017 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
3018 (BT_FN_VOID_PTR_INT_SIZE): New.
3019 (BT_FN_UINT_UINT_VAR): Remove.
3020 (BT_FN_UINT32_UINT32_VAR): New.
3021 (BT_FN_DOUBLE_VPTR): Remove.
3022 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
3024 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
3025 (_ITM_changeTransactionMode): Same.
3026 (_ITM_memmoveRtWt): Change return type to void.
3027 (_ITM_memcpyRtWt): Same.
3028 (_ITM_memsetW): Same.
3029 (_ITM_RaRD): Change types to double.
3034 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
3036 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
3037 Patrick Marlier <patrick.marlier@gmail.com>
3039 * trans-mem.c (requires_barrier): Do not instrument thread local
3040 variables and emit save/restore for them.
3042 2012-01-24 Jason Merrill <jason@redhat.com>
3045 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
3046 output static aliases.
3048 2012-01-24 Jakub Jelinek <jakub@redhat.com>
3051 * common.opt (-pie, -shared, pie, shared): Change from Common to
3053 * gcc.c (display_help): Display help for -pie and -shared.
3055 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
3058 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
3059 Remove note on size/offset limitation.
3060 (AVR Variable Attributes): Add example how to read data located
3061 with progmem. Refer to named address spaces.
3062 * doc/invoke.texi (AVR Options): Fix typo.
3064 2012-01-24 Richard Guenther <rguenther@suse.de>
3066 Forward-port to trunk
3067 2010-09-21 Jakub Jelinek <jakub@redhat.com>
3070 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
3071 op0 isn't sufficiently aligned and there is movmisalignM
3072 insn for mode, use it to load op0 into a temporary register.
3074 2012-01-24 Jakub Jelinek <jakub@redhat.com>
3077 * target.def (const_not_ok_for_debug_p): New hook.
3078 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
3080 * doc/tm.texi: Regenerated.
3081 * dwarf2out.c (const_ok_for_output_1): If
3082 targetm.const_not_ok_for_debug_p returns true, fail.
3083 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
3085 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
3087 2012-01-23 Kai Tietz <ktietz@redhat.com>
3090 * config/i386/predicates.md (symbolic_operand): Allow
3091 UNSPEC_PCREL as PIC expression for lea.
3092 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
3093 * config/i386/i386.c (ix86_delegitimize_address): Handle
3094 UNSPEC_PCREL for none-MEM, too.
3096 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
3098 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
3099 (ipa_tm_create_version_alias): Same.
3101 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
3104 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
3105 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
3107 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
3108 Patrick Marlier <patrick.marlier@gmail.com>
3109 Iain Sandoe <developer@sandoe-acoustics.co.uk>
3112 * lto-wrapper.c (run_gcc): Pass the LTO section name to
3113 simple_object_start_read.
3115 2012-01-23 Richard Guenther <rguenther@suse.de>
3118 PR tree-optimization/51895
3119 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
3120 parameter decomposition into BLKmode components.
3122 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
3124 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
3125 fake variables for restrict-qualified pointers whose pointed-to type
3126 contains a placeholder.
3128 2012-01-23 Richard Guenther <rguenther@suse.de>
3130 PR tree-optimization/51949
3131 * ipa-split.c (execute_split_functions): Do not split malloc functions.
3133 2012-01-23 Jakub Jelinek <jakub@redhat.com>
3135 PR rtl-optimization/51933
3136 * ree.c (transform_ifelse): Return true right away if dstreg is
3137 already wider or equal to cand->mode.
3138 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
3139 (make_defs_and_copies_lists): Remove defs_list and copies_list
3140 arguments, add state argument, just truncate state->work_list
3141 instead of always allocating and freeing the vector. Assert that
3142 get_defs succeeds instead of returning 2. Changed return type to bool.
3143 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
3144 have ext_src_mode, see if it has been modified already with the
3145 right kind of extension and has been extended before from the
3146 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
3147 just return true. Remember the original mode in state->modified array.
3148 (combine_reaching_defs): Add state argument. Don't allocate and
3149 free here def_list, copied_list and vec vectors, instead just
3150 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
3151 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
3152 Add state variable, clear vectors in it, initialize state.modified
3153 if needed. Free all the vectors at the end and state.modified too.
3154 Don't skip a candidate if the extension expression has been modified.
3156 2012-01-22 Douglas B Rupp <rupp@gnat.com>
3159 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
3160 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
3161 (extra_options) interix.opt -> i386/interix.opt"
3162 (extra_objs):Add winnt-stubs.o
3163 * configure.ac: Add interix to target_os .comm on PE check.
3164 * configure: Regenerate.
3165 * config/interix3.h: Delete and move bits to..
3166 * config/interix.h: Delete and move bits to..
3167 * config/i386/i386-interix3.h: Delete and move bits to..
3168 * config/i386/i386-interix.h: ..here.
3169 (TARGET_CPU_DEFAULT): Remove redefinition.
3170 (TARGET_ASM_CONSTRUCTOR): Undefine.
3171 (SUBTARGET_SWITCHES): Define for ms-bitfields.
3172 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
3173 (PTRDIFF_TYPE): Define.
3174 (LONG_DOUBLE_TYPE_SIZE): Define.
3175 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
3176 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
3177 (TARGET_SECTION_TYPE_FLAGS): Define.
3178 (ASM_DECLARE_FUNCTION_NAME): Define.
3179 (ASM_OUTPUT_EXTERNAL): Define.
3180 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
3181 (ASM_OUTPUT_ALIGNED_BSS): Define.
3182 (PCC_BITFIELD_TYPE_MATTERS): Define.
3183 (USE_CONST_SECTION): Define.
3184 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
3185 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
3186 (SUPPORTS_ONE_ONLY): Remove.
3187 (I386_PE_STRIP_ENCODING): Define.
3188 * config/interix.opt: Delete and move bits to..
3189 * config/i386/interix.opt: ..here. New.
3190 (mpe-aligned-commons): Add.
3191 * config/i386/t-interix: Add copyright header.
3192 (winnt-stubs.o): Add rule.
3194 2012-01-22 Jason Merrill <jason@redhat.com>
3197 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
3198 for extra name aliases.
3200 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
3202 PR rtl-optimization/51924
3203 * ree.c (combine_set_extension): Improve debugging message.
3204 (combine_reaching_defs): Likewise.
3205 (get_defs): Rename confusingly named variable.
3206 (find_and_remove_re): Skip a candidate if the extension expression has
3209 2012-01-21 Robert Millan <rmh@gnu.org>
3210 Gerald Pfeifer <gerald@pfeifer.com>
3212 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
3213 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
3215 2012-01-20 Jakub Jelinek <jakub@redhat.com>
3217 PR tree-optimization/51914
3218 * tree-vect-stmts.c (vectorizable_conversion): For
3219 cvt_type && modifier == WIDEN, put temporary with cvt_type
3220 at the beginning of vec_dsts and set vec_dest to temporary
3223 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
3225 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
3227 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
3229 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
3230 * config/rs6000/rs6000.c: Likewise.
3232 2012-01-20 Jakub Jelinek <jakub@redhat.com>
3235 * config/arm/arm.c (arm_count_output_move_double_insns): Call
3236 output_move_double on a copy of operands array.
3238 2012-01-20 Cary Coutant <ccoutant@google.com>
3239 Dodji Seketeli <dodji@redhat.com>
3242 * dwarf2out.c (copy_declaration_context): Return ref to parent
3243 of declaration DIE, if necessary.
3244 (remove_child_or_replace_with_skeleton): Add new parameter; update
3245 caller. Place skeleton DIE under parent DIE of original declaration.
3246 Move call to copy_declaration_context to here ...
3247 (break_out_comdat_types): ... from here.
3249 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3251 PR rtl-optimization/51856
3252 * reload.c (find_reloads_subreg_address): Set the address_reloaded
3255 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3258 * config/arm/arm.c (arm_print_operand): Correct output of alignment
3259 hints for neon loads and stores.
3261 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
3265 * doc/extend.texi (Named Address Spaces): Split into subsections.
3266 (AVR Named Address Spaces): New subsection.
3267 (M32C Named Address Spaces): New subsection.
3268 (RL78 Named Address Spaces): New subsection.
3269 (SPU Named Address Spaces): New subsection.
3270 (Variable Attributes): New anchor "AVR Variable Attributes".
3271 (AVR Variable Attributes): Rewrite and avoid wording
3272 "address space" in this context.
3273 * doc/invoke.texi (AVR Options): Rewrite and add documentation
3274 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
3275 (AVR Built-in Macros): New subsubsection therein.
3276 * doc/md.texi (AVR constraints): Remove "C04", "R".
3278 2012-01-20 Richard Guenther <rguenther@suse.de>
3280 PR tree-optimization/51903
3281 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
3282 when removing stmts.
3284 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
3287 * config/arm/arm.c (arm_load_pic_register): Use
3288 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
3289 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
3290 (arm_pic_static_addr): Likewise.
3291 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
3292 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
3293 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
3294 (pic_load_addr_unified): New.
3296 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
3299 * function.c (instantiate_virtual_regs_in_insn): Use
3300 delete_insn_and_edges when removing a wrong asm insn.
3302 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
3304 PR rtl-optimization/40761
3305 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
3306 Add new member loop_num.
3307 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
3308 (ira_build): Remove the parameter.
3310 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
3311 (ira.c): Do not build CFG loops for one region allocation. Remove
3312 argument from ira_build call.
3314 * ira-build.c (init_loop_tree_node): New function.
3315 (create_loop_tree_nodes): Use it. Separate the case when CFG
3316 loops are not built.
3317 (more_one_region_p): Check current_loops.
3318 (finish_loop_tree_nodes): Separate the case when CFG loops are not
3320 (add_loop_to_tree): Process loop equal to NULL too.
3321 (form_loop_tree): Separate the case when CFG loops are not built.
3322 Use explicitly number for the root.
3323 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
3325 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
3326 instead of loop->num.
3327 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
3328 (mark_all_loops_for_removal): Ditto.
3329 (remove_unnecessary_regions): Separate the case when CFG loops
3331 (ira_build): Remove the parameter. Use explicit number of regions
3332 when CFG loops are not built.
3334 * ira-color.c (print_loop_title): Separate the case for the root node.
3335 Use loop_num instead of loop->num.
3336 (move_spill_restore): Use loop_num instead of loop->num.
3338 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
3339 (change_loop): Ditto.
3340 (change_loop): Use loop_num instead of loop->num.
3342 * ira-lives.c (process_bb_node_lives): Ditto.
3344 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
3346 * ira-conflicts.c (print_allocno_conflicts): Ditto.
3348 2012-01-19 Jakub Jelinek <jakub@redhat.com>
3351 * tree-mudflap.c (mf_artificial): New function.
3352 (execute_mudflap_function_ops, execute_mudflap_function_decls,
3353 mx_register_decls, mudflap_enqueue_decl): Use it.
3356 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
3357 numbers in the insn pattern.
3359 2012-01-19 Michael Matz <matz@suse.de>
3361 PR tree-optimization/46590
3362 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
3363 use it in remembering which conflicts we already created.
3364 (add_scope_conflicts): Adjust call to above, (de)allocate helper
3367 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
3370 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
3371 (merge_and_complain): Same.
3373 2012-01-19 Jakub Jelinek <jakub@redhat.com>
3376 * config/initfini-array.h: Guard content of the header
3377 with #ifdef HAVE_INITFINI_ARRAY.
3378 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
3379 Add initfini-array.h to tm_file here.
3380 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
3381 * config.gcc: Don't add initfini-array.h to tm_file here.
3382 * configure: Regenerated.
3384 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
3386 PR rtl-optimization/51505
3387 * df-problems.c (df_kill_notes): New parameter live. Update comment.
3388 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
3389 (df_note_bb_compute): Update the call to df_kill_notes.
3391 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
3393 * trans-mem.c (requires_barrier): Remove call to is_global_var.
3395 2012-01-18 Richard Guenther <rguenther@suse.de>
3397 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
3398 of conversions to void *.
3400 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3401 Richard Sandiford <rdsandiford@googlemail.com>
3405 * optabs.h (simplify_expand_binop): Declare.
3406 * optabs.c (simplify_expand_binop): Make global.
3407 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
3408 endian targets if the source cannot be exactly covered by word
3411 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3414 * hard-reg-set.h (struct hard_reg_set_container): New type.
3415 * target.h (struct hard_reg_set_container): Forward declare.
3416 * target.def (set_up_by_prologue): New target hook.
3417 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
3418 * doc/tm.texi: Regenerated.
3419 * function.c (thread_prologue_and_epilogue_insns): Change
3420 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
3421 Call targetm.set_up_by_prologue on it.
3422 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
3423 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
3425 2012-01-17 Nick Clifton <nickc@redhat.com>
3427 * config/rx/rx.c (rx_can_use_simple_return): New function.
3428 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
3429 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
3431 2012-01-17 Richard Guenther <rguenther@suse.de>
3434 * expr.c (expand_assignment): Take address-space information
3435 from the address operand of MEM_REF and TARGET_MEM_REF.
3436 (expand_expr_real_1): Likewise.
3438 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3440 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
3441 reload dump is requested.
3443 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
3446 * trans-mem.c (requires_barrier): Call may_be_aliased.
3448 2012-01-17 Jakub Jelinek <jakub@redhat.com>
3450 PR tree-optimization/51877
3451 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
3452 call arguments and fndecls compare equal, instead return false if they
3453 don't. Return true only if lhs1 and lhs2 are either both NULL, or
3454 both SSA_NAMEs that are valueized the same, or they satisfy
3457 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3459 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
3461 * configure: Regenerate.
3463 2012-01-16 Jan Hubicka <jh@suse.cz>
3467 * convert.c (convert_to_integer): Use fold_convert for
3468 converting an INTEGER_CST to integer type.
3470 2012-01-16 Jason Merrill <jason@redhat.com>
3473 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3475 2012-01-16 Jakub Jelinek <jakub@redhat.com>
3478 * config/s390/s390.c (s390_chunkify_start): Don't skip
3479 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
3480 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3481 If insn is followed by NOTE_INSN_VAR_LOCATION or
3482 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3483 Don't use location of note insns.
3485 PR tree-optimization/51865
3486 * tree-inline.c (tree_function_versioning): Call remap_decl
3487 on DECL_RESULT whenever it has VOID_TYPE_P type.
3489 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
3491 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3492 for calls to locally-binding MIPS16 functions if only the return
3493 type uses float regs.
3495 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
3496 Richard Sandiford <rdsandiford@googlemail.com>
3498 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3499 (SYMBOL_32_HIGH): Likewise.
3500 (mips_output_tls_reloc_directive): Declare.
3501 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3502 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3503 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3504 (mips_lo_relocs, mips_hi_relocs): Make extern.
3505 (mips16_stub_function): Move up file.
3506 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3507 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
3508 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
3509 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3510 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
3511 (mips_get_tp): Add MIPS16 support.
3512 (mips_legitimize_tls_address): Remove MIPS16 sorry().
3513 Generalize DTPREL and TPREL handling.
3514 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3515 Add MIPS16 TLS support.
3516 (mips_output_tls_reloc_directive): New function.
3517 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3518 * config/mips/predicates.md (symbolic_operand_with_high)
3519 (tls_reloc_operand): New predicates.
3520 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3521 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3522 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3523 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
3524 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3525 (*tls_get_tp_mips16_call_<mode>): Likewise.
3527 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
3529 PR rtl-optimization/51821
3530 * recog.c (peep2_find_free_register): Determine clobbered registers
3533 2012-01-14 Denis Chertykov <chertykov@gmail.com>
3536 * config/avr/avr-protos.h: Revert change of 2012-01-09.
3537 * config/avr/avr.c: Likewise.
3538 * config/avr/avr.h: Likewise.
3540 2012-01-13 Ian Lance Taylor <iant@google.com>
3543 * tree.h (TYPE_QUALS): Add cast to int.
3544 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3546 2012-01-13 Ian Lance Taylor <iant@google.com>
3548 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3549 comparing param_index to VEC_length result.
3551 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
3553 * c-decl.c: Do not include tree-mudflap.h
3554 * tree-optimize.c: Likewise.
3555 * Makefile.in: Update dependencies.
3557 2012-01-13 Richard Guenther <rguenther@suse.de>
3560 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3561 variable-sized result always use RSO.
3563 2012-01-12 DJ Delorie <dj@redhat.com>
3565 * cfgexpand.c (convert_debug_memory_address): Allow any valid
3566 pointer type, not just the default pointer type.
3568 2012-01-09 Richard Henderson <rth@redhat.com>
3569 Denis Chertykov <chertykov@gmail.com>
3572 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3573 * config/avr/avr.c (avr_can_eliminate): Simplify.
3574 (avr_initial_elimination_offset): Likewise.
3575 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3576 (expand_epilogue): Likewise.
3577 (avr_legitimize_address): Gut.
3578 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3579 (avr_hard_regno_nregs): New.
3580 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3581 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3582 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3583 add soft frame pointer.
3584 (CALL_USED_REGISTERS): Likewise.
3585 (REG_CLASS_CONTENTS): Likewise.
3586 (REGISTER_NAMES): Likewise.
3587 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3588 (HARD_FRAME_POINTER_REGNUM): New.
3589 (FRAME_POINTER_REGNUM): Use soft frame pointer.
3590 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3591 remove the HARD_FRAME_POINTER self-elimination.
3593 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
3596 * config/avr/avr.c (avr_encode_section_info): Test for absence of
3597 DECL_EXTERNAL when checking for initializers of progmem variables.
3599 2012-01-12 Ira Rosen <irar@il.ibm.com>
3601 PR tree-optimization/51799
3602 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3603 that the last operation is a type demotion.
3605 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
3607 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3608 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3610 2012-01-11 Jakub Jelinek <jakub@redhat.com>
3613 * combine.c (distribute_notes): If i3 is a noreturn call,
3614 allow old_size to be equal to args_size and make sure the
3615 noreturn call gets REG_ARGS_SIZE note.
3616 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3617 on noreturn calls even when the delta is 0.
3619 2012-01-11 Nathan Sidwell <nathan@acm.org>
3621 * gcov.c (STRING_SIZE): Remove.
3622 (generate_results): Erase annotations for source files with no
3623 coverage information.
3625 (output_lines): Use it.
3627 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3629 * gimple.h (gimplify_body): Remove first argument.
3630 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
3631 pointer set here, instead just pass DATA to walk_tree.
3632 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
3633 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3634 (unvisit_body): Likewise, but with unmark_visited.
3635 (gimplify_body): Remove BODY_P argument and adjust.
3636 (gimplify_function_tree): Adjust call to gimplify_body.
3637 * omp-low.c (finalize_task_copyfn): Likewise.
3639 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
3641 * tree.h (build_function_decl_skip_args): Add boolean parameter.
3642 (build_function_type_skip_args): Delete.
3643 * tree.c (build_function_type_skip_args): Make static and add
3644 SKIP_RETURN parameter. Fix thinko in the handling of variants.
3645 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3646 pass it to build_function_type_skip_args.
3647 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3648 (tree_function_versioning): Likewise.
3649 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3650 build_function_decl_skip_args.
3651 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3652 and pass it to build_function_decl_skip_args/tree_function_versioning.
3653 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3654 * ipa-inline-transform.c (save_inline_function_body): Likewise.
3655 * trans-mem.c (ipa_tm_create_version): Likewise.
3656 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3657 * tree-inline.c (declare_return_variable): Remove always-true test.
3658 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
3659 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3660 * ipa-split.c (split_function): Skip the return value for the split
3661 part if it doesn't return.
3663 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
3665 PR tree-optimization/49642
3666 * ipa-split.c (forbidden_dominators): New variable.
3667 (check_forbidden_calls): New function.
3668 (dominated_by_forbidden): Likewise.
3669 (consider_split): Check for forbidden dominators.
3670 (execute_split_functions): Initialize and free forbidden
3671 dominators info; call check_forbidden_calls.
3673 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3675 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3677 2012-01-11 Nick Clifton <nickc@redhat.com>
3679 * config/rx/rx.md (return): Define pattern.
3681 2012-01-11 Richard Guenther <rguenther@suse.de>
3683 * doc/extend.texi (malloc attribute): Adjust according to
3686 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
3687 Patrick Marlier <patrick.marlier@gmail.com>
3690 * trans-mem.c (get_cg_data): Traverse aliases if requested.
3691 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3692 (ipa_tm_note_irrevocable): Same.
3693 (ipa_tm_scan_irr_block): Same.
3694 (ipa_tm_decrement_clone_counts): Same.
3695 (ipa_tm_scan_irr_function): Same.
3696 (ipa_tm_create_version_alias): Same.
3697 (ipa_tm_create_version): Same.
3698 (ipa_tm_transform_calls_redirect): Same.
3699 (ipa_tm_transform_calls): Same.
3700 (ipa_tm_transform_transaction): Same.
3701 (ipa_tm_execute): Same.
3703 2012-01-10 Richard Guenther <rguenther@suse.de>
3706 * opts.c (common_handle_option): Handle -Werror.
3708 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
3710 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3713 2012-01-10 Jason Merrill <jason@redhat.com>
3715 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3718 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3720 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3721 supports R_386_TLS_GD_PLT reloc.
3722 (gcc_cv_as_ix86_tlsldmplt): Check if linker
3723 supports R_386_TLS_LDM_PLT reloc.
3724 * configure: Regenerate.
3725 * config.in: Regenerate.
3727 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
3730 Extend __pgmx semantics to linearize memory.
3731 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3732 determine if code comes inline or from libgcc.
3733 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3734 (movmem_qi, movmem_qi): Set constraint #2 to "n".
3735 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3736 (movmemx_qi, movmemx_hi): New insns.
3737 (xload_<mode>_libgcc): Rewrite to new insn condition.
3738 (xload_<mode>): Remove insns.
3739 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3740 cases that don't satisfy avr_xload_libgcc_p().
3741 (avr_addr_space_convert): Allow converting in any direction.
3742 (avr_addr_space_subset_p): Return always true.
3743 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3744 (avr_emit_movmemhi): Ditto.
3745 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3746 (avr_out_movmem): Ditto.
3747 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3748 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3749 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3750 (avr_encode_section_info): Encode 'progmem' in symbol flags.
3751 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3753 2012-01-10 Richard Guenther <rguenther@suse.de>
3755 PR tree-optimization/50913
3756 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3757 Require data-refs to be representable by Graphite with respect
3760 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
3762 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3763 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3765 2012-01-10 Tom de Vries <tom@codesourcery.com>
3767 PR rtl-optimization/51271
3768 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3769 handling annulled branch.
3771 2012-01-10 Richard Henderson <rth@redhat.com>
3773 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3774 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3775 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3776 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3777 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3778 arm_expand_vec_perm_const): New.
3779 * config/arm/arm-protos.h: Update.
3780 * config/arm/neon.md (UNSPEC_VCONCAT): New.
3781 (*neon_vswp<VDQX>): New.
3782 (neon_vcombine<VDX>): Use neon_split_vcombine.
3783 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3784 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3785 (vec_perm<VE>): New.
3787 2012-01-10 Richard Henderson <rth@redhat.com>
3789 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3790 use it if reload_completed.
3791 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3792 arm_output_asm_insn, arm_process_output_memory_barrier,
3793 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3794 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3795 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3796 arm_process_output_sync_insn, arm_output_sync_insn,
3797 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3798 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3799 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3800 (emit_unlikely_jump): New.
3801 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3802 (arm_split_atomic_op): New.
3803 * config/arm/arm-protos.h: Update.
3804 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3805 (struct arm_sync_generator): Remove.
3806 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3807 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3808 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3809 (VUNSPEC_LL, VUNSPEC_SC): New.
3810 (sync_result, sync_memory, sync_required_value, sync_new_value,
3811 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3812 (attr length): Don't use arm_sync_loop_insns.
3813 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3814 (movsfcc, movdfcc): Likewise.
3815 * config/arm/constraints.md (Ua): New.
3816 * config/arm/prediates.md (mem_noofs_operand): New.
3817 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3818 (sync_clobber, sync_t2_reqd): Remove.
3819 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3820 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3821 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3822 (arm_sync_compare_and_swap<SIDI>): Remove.
3823 (arm_sync_compare_and_swap<NARROW>): Remove.
3824 (arm_sync_lock_test_and_set<SIDI>): Remove.
3825 (arm_sync_lock_test_and_set<NARROW>): Remove.
3826 (arm_sync_new_<syncop><SIDI>): Remove.
3827 (arm_sync_new_<syncop><NARROW>): Remove.
3828 (arm_sync_new_nand<SIDI>): Remove.
3829 (arm_sync_new_nand<NARROW>): Remove.
3830 (arm_sync_old_<syncop><SIDI>): Remove.
3831 (arm_sync_old_<syncop><NARROW>): Remove.
3832 (arm_sync_old_nand<SIDI>): Remove.
3833 (arm_sync_old_nand<NARROW>): Remove.
3834 (*memory_barrier): Merge arm_output_memory_barrier.
3835 (atomic_compare_and_swap<QHSD>): New.
3836 (atomic_compare_and_swap<NARROW>_1): New.
3837 (atomic_compare_and_swap<SIDI>_1): New.
3838 (atomic_exchange<QHSD>): New.
3839 (cas_cmp_operand, cas_cmp_str): New.
3840 (atomic_op_operand, atomic_op_str): New.
3841 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3842 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3843 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3844 (arm_load_exclusive<NARROW>): New.
3845 (arm_load_exclusivesi, arm_load_exclusivedi): New.
3846 (arm_store_exclusive<QHSD>): New.
3848 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
3850 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3851 reload patterns if -mvsx-scalar-memory.
3853 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3854 generated, even -mno-vsx-scalar-double was used.
3855 (vsx_xscvdpsp_scalar): Likewise.
3856 (vsx_xscvspdp_scalar2): Likewise.
3858 2012-01-09 Tom de Vries <tom@codesourcery.com>
3859 Andrew Pinski <apinski@cavium.com>
3862 * reorg.c (fill_slots_from_thread): Don't speculate
3863 frame-related insns.
3865 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
3867 * sched-int.h (bb_note): Move to...
3868 * basic-block.h: ...here.
3869 * haifa-sched.c (bb_note): Move to...
3870 * cfgrtl.c: ...here.
3871 * function.c (next_block_for_reg): New function.
3872 (move_insn_for_shrink_wrap): Likewise.
3873 (prepare_shrink_wrap): Rewrite to use the above.
3875 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
3877 * gimple.c (is_gimple_non_addressable): Remove.
3878 * gimple.h: Remove is_gimple_non_addressable.
3879 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
3880 is_gimple_non_addressable.
3881 * trans-mem.c (expand_assign_tm): Same.
3883 2012-01-09 Richard Guenther <rguenther@suse.de>
3885 PR tree-optimization/51775
3886 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
3887 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
3889 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
3891 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3893 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3895 2012-01-09 Richard Guenther <rguenther@suse.de>
3897 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
3899 2012-01-08 Jan Hubicka <jh@suse.cz>
3901 PR tree-optimize/51680
3902 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
3903 on when known_vals needs to be computed; cleanup.
3905 2012-01-08 Jan Hubicka <jh@suse.cz>
3907 PR tree-optimize/51694
3908 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
3910 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
3912 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
3913 for -std=c++98 and -std=c++11 too.
3915 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
3917 * cfgloop.c (cancel_loop): Add free() of bbs array.
3919 2012-01-07 Jan Hubicka <jh@suse.cz>
3921 PR tree-optimization/51600
3922 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
3923 that benefits small functions.
3925 2012-01-07 Jan Hubicka <jh@suse.cz>
3927 * ipa-inline.c (want_inline_small_function_p): Fix formating.
3929 2012-01-07 Jan Hubicka <jh@suse.cz>
3931 PR tree-optimization/51680
3932 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
3933 whose inlining reduce unit size.
3935 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
3938 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
3939 Add canonical node to containing_mem chain after the non-canonical
3940 one, even if there weren't any locs to propagate.
3941 (remove_useless_values): Keep only canonical values.
3942 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
3943 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
3944 canonicalize mem_chain elements that are not discarded.
3946 2012-01-06 Jakub Jelinek <jakub@redhat.com>
3949 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
3950 before emitting functions.
3952 PR gcov-profile/50127
3953 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
3954 clear_aux_for_blocks.
3956 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
3959 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
3961 2012-01-06 Arnaud Charlet <charlet@adacore.com>
3963 * c-decl.c (ext_block): Moved up.
3964 (collect_all_refs, for_each_global_decl): Take ext_block into account.
3966 2012-01-06 Han Shen <shenhan@google.com>
3968 Translate built-in include paths for sysroot.
3969 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
3970 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
3972 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
3973 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
3975 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
3976 control whether sysroot should be prepended to gxx include dir.
3978 * configure: Regenerate.
3980 2012-01-06 Torvald Riegel <triegel@redhat.com>
3982 PR rtl-optimization/51771
3983 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
3984 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
3986 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
3988 PR tree-optimization/51315
3989 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
3990 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
3992 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
3995 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
3996 for shrp pattern. Correctly handle and fixup shift variable.
3997 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
3999 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4002 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
4003 note when !ACCUMULATE_OUTGOING_ARGS.
4005 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
4007 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
4009 (extract_range_from_unary_expr_1): Avoid useless computations.
4011 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4013 PR rtl-optimization/51767
4014 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
4015 of jump_block and add an extra edge for degenerated asm gotos.
4018 * stmt.c (check_unique_operand_names): Don't ICE during error
4019 reporting if i is from labels chain.
4022 * profile.c (branch_prob): Split bbs that have exit edge
4023 and need a fake entry edge too.
4025 2012-01-05 Jan Hubicka <jh@suse.cz>
4028 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
4031 2012-01-05 Richard Guenther <rguenther@suse.de>
4034 * tree-streamer-out.c (write_ts_optimization): New function.
4035 (streamer_write_tree_body): Call it.
4036 * tree-streamer-in.c (lto_input_ts_optimization): New function.
4037 (streamer_read_tree_body): Call it.
4038 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
4040 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4043 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
4044 * gimplify.c (gimplify_cleanup_point_expr): Save and set
4045 in_cleanup_point_expr before gimplify_stmt call and restore it
4047 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
4048 in_cleanup_point_expr is false.
4050 2012-01-05 Richard Guenther <rguenther@suse.de>
4053 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
4055 * toplev.c (process_options): Reject combining mudflap and LTO.
4056 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
4058 2012-01-05 Richard Guenther <rguenther@suse.de>
4060 PR tree-optimization/51760
4061 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
4063 (bit_value_unop): Handle UNDEFINED operands.
4064 (bit_value_binop): Likewise.
4066 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
4068 * config/avr/avr.c (avr_replace_prefix): Remove.
4069 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
4070 (avr_asm_function_rodata_section): Ditto.
4071 (avr_asm_select_section): Ditto.
4073 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
4075 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
4078 2012-01-05 Jakub Jelinek <jakub@redhat.com>
4081 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
4082 calls that have any non-fake successor edges.
4085 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
4087 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
4089 PR tree-optimization/51624
4090 * tree-sra.c (build_ref_for_model): When replicating a chain of
4091 COMPONENT_REFs, stop as soon as the offset would become negative.
4093 2012-01-04 Jakub Jelinek <jakub@redhat.com>
4096 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
4097 in .debug_loc on the floor.
4099 2012-01-04 Andrew Pinski <apinski@cavium.com>
4101 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
4103 2012-01-04 Andrew Pinski <apinski@cavium.com>
4104 Adam Nemet <anemet@caviumnetworks.com>
4106 * config/mips/mips.md (size): Add SI and DI.
4107 (SIZE): New mode attribute.
4108 (U): New code attribute.
4109 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
4110 (mips_lbux_<mode>): Delete.
4111 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
4112 (mips_lhx): Use gen_mips_lhx_extsi.
4113 (mips_lhx_<mode>): Delete.
4115 (mips_l<size>x): New expand.
4116 (mips_lwx_<mode>): Delete.
4117 (mips_l<GPR:size>x_<P:mode>): New pattern.
4118 (*mips_lw<u>x_<P:mode>_ext): Likewise.
4119 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
4120 * config/mips/mips.c (mips_lx_address_p): New function.
4121 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
4122 (dsp64): New availability predicate.
4123 (mips_builtins): Add an entry for __builtin_mips_ldx.
4124 * config/mips/mips.h (ISA_HAS_LBX): New define.
4125 (ISA_HAS_LBUX): Likewise.
4126 (ISA_HAS_LHX): Likewise.
4127 (ISA_HAS_LHUX): Likewise.
4128 (ISA_HAS_LWX): Likewise.
4129 (ISA_HAS_LWUX): Likewise.
4130 (ISA_HAS_LDX): Likewise.
4131 * doc/extend.texi (__builtin_mips_ldx): Document.
4133 2012-01-04 Tristan Gingold <gingold@adacore.com>
4135 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
4136 when long pointers are used.
4137 * config.build (*-*-*vms*): Handle all OpenVMS targets.
4138 (alpha64-dec-*vms*, alpha*-dec-*vms*)
4139 (ia64-hp-*vms*): Remove.
4140 * config/vms/xm-vms64.h: Delete.
4142 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4145 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
4147 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4149 * opts.c (finish_options): Remove duplicate sorry.
4151 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
4154 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
4157 2012-01-04 Richard Guenther <rguenther@suse.de>
4160 * tree.c (size_low_cst): New function.
4161 * tree.h (size_low_cst): Declare.
4162 * fold-const.c (fold_comparison): Use it to extract the low
4163 part of the POINTER_PLUS_EXPR offset.
4165 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
4167 Fix clearing ZERO_REG
4168 * config/avr/avr.md (cc): Add alternative "ldi".
4169 (movqi_insn): Use it in cc attribute.
4170 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
4171 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
4172 (output_reload_insisf): Use ZERO_REG to pre-clear register.
4174 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4176 * configure: Regenerate.
4178 2012-01-04 Richard Guenther <rguenther@suse.de>
4180 PR tree-optimization/49651
4181 * tree-ssa-structalias.c (type_can_have_subvars): New function.
4182 (var_can_have_subvars): Use it.
4183 (get_constraint_for_1): Only consider subfields if there can be any.
4185 2012-01-03 Jakub Jelinek <jakub@redhat.com>
4188 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
4189 to its new canonical_cselib_val and the cselib_val was in
4190 first_containing_mem chain, but the canonical_cselib_val was not,
4191 add the latter into the chain.
4192 (cselib_invalidate_mem): Compare canonical_cselib_val of
4193 addr_list chain elt with v.
4196 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
4197 dwarf2out_undef): Allocate e.info using ggc_strdup instead
4199 (output_macinfo_op): Don't ggc_strdup fd->filename.
4200 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
4201 then ggc_strdup it. Don't free inc->info or cur->info.
4202 (output_macinfo): Don't free ref->info or file->info.
4204 2012-01-03 Ira Rosen <irar@il.ibm.com>
4206 PR tree-optimization/51269
4207 * tree-vect-loop-manip.c (set_prologue_iterations): Make
4208 first_niters a pointer.
4209 (slpeel_tree_peel_loop_to_edge): Likewise.
4210 (vect_do_peeling_for_loop_bound): Update call to
4211 slpeel_tree_peel_loop_to_edge.
4212 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
4213 here. Remove it from the parameters list.
4214 (vect_do_peeling_for_alignment): Update calls and compute
4217 2012-01-03 Richard Guenther <rguenther@suse.de>
4219 PR tree-optimization/51070
4220 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
4221 Properly handle calls.
4223 2012-01-03 Richard Guenther <rguenther@suse.de>
4225 PR tree-optimization/51692
4226 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
4227 the LHS of allocation stmts.
4229 2012-01-03 Olivier Hainque <hainque@adacore.com>
4231 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
4233 2012-01-03 Olivier Hainque <hainque@adacore.com>
4235 * collect2.c (main): In AIX specific computations for vector
4236 insertions, use CONST_CAST2 to cast from char ** to const char **.
4238 2012-01-03 Richard Guenther <rguenther@suse.de>
4241 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
4242 the context of a limbo DIE when it does not already exist.
4244 2012-01-03 Jakub Jelinek <jakub@redhat.com>
4246 PR tree-optimization/51719
4247 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
4248 but direct call is, clear direct call's lhs and don't add fallthrough
4249 edge from dcall_bb to join_bb and PHIs.
4251 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4253 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
4254 the instructions emitted by the pattern.
4255 ("*TDC_insn_<mode>"): Add comment.
4257 2012-01-03 Richard Guenther <rguenther@suse.de>
4260 * fold-const.c (fold_comparison): Properly canonicalize
4261 tree offset and HOST_WIDE_INT bit position.
4263 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
4265 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
4266 operands for extzv pattern.
4268 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4271 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
4274 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
4276 * doc/invoke.texi (-flto and related options): Copy-edit.
4278 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4280 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
4282 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4284 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
4287 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
4289 * expr.h (move_by_pieces_ninsns): Declare.
4290 * expr.c (move_by_pieces_ninsns): Make external.
4291 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
4292 (mips_store_by_pieces_p): Likewise.
4293 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
4294 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
4295 * config/mips/mips.c (mips_move_by_pieces_p): New function.
4296 (mips_store_by_pieces_p): Likewise.
4298 2012-01-02 Jakub Jelinek <jakub@redhat.com>
4300 * passes.c (register_one_dump_file): Free full_name.
4302 * reload1.c (reload): Don't allocate reg_max_ref_width here.
4303 (calculate_elim_costs_all_insns): Free offsets_at and
4304 offsets_known_at at the end and clear the pointers.
4306 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4308 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
4309 this option introduced in r180739.
4311 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4314 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
4315 (tmake_file target=avr): Add avr/t-multilib.
4317 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
4318 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
4319 * config/avr/genmultilib.awk: New file.
4320 * config/avr/t-multilib: New auto-generated file.
4321 * config/avr/multilib.h: New auto-generated file.
4322 * config/avr/t-avr (AVR_MCUS): New variable.
4323 (genopt.sh): Use it.
4324 (s-mlib): Depend on t-multilib.
4325 (t-multilib, multilib.h): New dependencies.
4326 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
4327 (MULTILIB_OPTIONS): Remove.
4328 (MULTILIB_MATCHES): Remove.
4329 (MULTILIB_DIRNAMES): Remove.
4330 (MULTILIB_EXCEPTIONS): Remove:
4331 * config/avr/genopt.sh: Don't use hard coded file name;
4332 pass AVR_MCUS from t-avr instead.
4334 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4336 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
4338 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
4340 Implement light-weight DImode support.
4341 * config/avr/avr-dimode.md: New file.
4342 * config/avr/avr.md: Include it.
4343 (adjust_len): Add plus64, compare64.
4344 (HIDI): Remove code iterator.
4345 (code_stdname): New code attribute.
4346 (rotx, rotsmode): Remove DI.
4347 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
4349 * config/avr/avr-protos.h (avr_have_dimode): New.
4350 (avr_out_plus64, avr_out_compare64): New.
4351 * config/avr/avr.c (avr_out_compare): Handle DImode.
4352 (avr_have_dimode): New variable definition and initialization.
4353 (avr_out_compare64, avr_out_plus64): New functions.
4354 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
4355 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
4356 (avr_compare_pattern): Skip DImode comparisons.
4358 2012-01-02 Revital Eres <revital.eres@linaro.org>
4360 * ddg.c (def_has_ccmode_p): New function.
4361 (add_cross_iteration_register_deps,
4362 create_ddg_dep_from_intra_loop_link): Call it.
4364 2012-01-02 Richard Guenther <rguenther@suse.de>
4367 * invoke.texi (fassociative-math): Remove spurious paranthesis.
4369 2012-01-01 Jakub Jelinek <jakub@redhat.com>
4371 * gcc.c (process_command): Update copyright notice dates.
4372 * gcov.c (print_version): Likewise.
4373 * gcov-dump.c (print_version): Likewise.
4374 * mips-tfile.c (main): Likewise.
4375 * mips-tdump.c (main): Likewise.
4377 2012-01-01 Ira Rosen <irar@il.ibm.com>
4379 PR tree-optimization/51704
4380 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
4381 a use is inside the basic block or loop before accessing its vect info.
4383 2012-01-01 Jan Hubicka <jhjh@suse.cz>
4385 PR rtl-optimization/51069
4386 * cfgloopmanip.c (remove_path): Removing path making irreducible
4387 region unconditional makes BB part of the region.
4389 2012-01-01 Jakub Jelinek <jakub@redhat.com>
4391 PR tree-optimization/51683
4392 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
4393 calls with side-effects.
4394 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
4396 Copyright (C) 2012 Free Software Foundation, Inc.
4398 Copying and distribution of this file, with or without modification,
4399 are permitted in any medium without royalty provided the copyright
4400 notice and this notice are preserved.